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Unified Diff: third_party/protobuf/ruby/ext/google/protobuf_c/upb.h

Issue 1842653006: Update //third_party/protobuf to version 3. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: merge Created 4 years, 8 months ago
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Index: third_party/protobuf/ruby/ext/google/protobuf_c/upb.h
diff --git a/third_party/protobuf/ruby/ext/google/protobuf_c/upb.h b/third_party/protobuf/ruby/ext/google/protobuf_c/upb.h
new file mode 100644
index 0000000000000000000000000000000000000000..078e2a281321250e6e2eba39405a917796cca44e
--- /dev/null
+++ b/third_party/protobuf/ruby/ext/google/protobuf_c/upb.h
@@ -0,0 +1,8217 @@
+// Amalgamated source file
+/*
+** Defs are upb's internal representation of the constructs that can appear
+** in a .proto file:
+**
+** - upb::MessageDef (upb_msgdef): describes a "message" construct.
+** - upb::FieldDef (upb_fielddef): describes a message field.
+** - upb::EnumDef (upb_enumdef): describes an enum.
+** - upb::OneofDef (upb_oneofdef): describes a oneof.
+** - upb::Def (upb_def): base class of all the others.
+**
+** TODO: definitions of services.
+**
+** Like upb_refcounted objects, defs are mutable only until frozen, and are
+** only thread-safe once frozen.
+**
+** This is a mixed C/C++ interface that offers a full API to both languages.
+** See the top-level README for more information.
+*/
+
+#ifndef UPB_DEF_H_
+#define UPB_DEF_H_
+
+/*
+** upb::RefCounted (upb_refcounted)
+**
+** A refcounting scheme that supports circular refs. It accomplishes this by
+** partitioning the set of objects into groups such that no cycle spans groups;
+** we can then reference-count the group as a whole and ignore refs within the
+** group. When objects are mutable, these groups are computed very
+** conservatively; we group any objects that have ever had a link between them.
+** When objects are frozen, we compute strongly-connected components which
+** allows us to be precise and only group objects that are actually cyclic.
+**
+** This is a mixed C/C++ interface that offers a full API to both languages.
+** See the top-level README for more information.
+*/
+
+#ifndef UPB_REFCOUNTED_H_
+#define UPB_REFCOUNTED_H_
+
+/*
+** upb_table
+**
+** This header is INTERNAL-ONLY! Its interfaces are not public or stable!
+** This file defines very fast int->upb_value (inttable) and string->upb_value
+** (strtable) hash tables.
+**
+** The table uses chained scatter with Brent's variation (inspired by the Lua
+** implementation of hash tables). The hash function for strings is Austin
+** Appleby's "MurmurHash."
+**
+** The inttable uses uintptr_t as its key, which guarantees it can be used to
+** store pointers or integers of at least 32 bits (upb isn't really useful on
+** systems where sizeof(void*) < 4).
+**
+** The table must be homogenous (all values of the same type). In debug
+** mode, we check this on insert and lookup.
+*/
+
+#ifndef UPB_TABLE_H_
+#define UPB_TABLE_H_
+
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+/*
+** This file contains shared definitions that are widely used across upb.
+**
+** This is a mixed C/C++ interface that offers a full API to both languages.
+** See the top-level README for more information.
+*/
+
+#ifndef UPB_H_
+#define UPB_H_
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+/* UPB_INLINE: inline if possible, emit standalone code if required. */
+#ifdef __cplusplus
+#define UPB_INLINE inline
+#elif defined (__GNUC__)
+#define UPB_INLINE static __inline__
+#else
+#define UPB_INLINE static
+#endif
+
+/* Define UPB_BIG_ENDIAN manually if you're on big endian and your compiler
+ * doesn't provide these preprocessor symbols. */
+#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
+#define UPB_BIG_ENDIAN
+#endif
+
+/* Macros for function attributes on compilers that support them. */
+#ifdef __GNUC__
+#define UPB_FORCEINLINE __inline__ __attribute__((always_inline))
+#define UPB_NOINLINE __attribute__((noinline))
+#define UPB_NORETURN __attribute__((__noreturn__))
+#else /* !defined(__GNUC__) */
+#define UPB_FORCEINLINE
+#define UPB_NOINLINE
+#define UPB_NORETURN
+#endif
+
+/* A few hacky workarounds for functions not in C89.
+ * For internal use only!
+ * TODO(haberman): fix these by including our own implementations, or finding
+ * another workaround.
+ */
+#ifdef __GNUC__
+#define _upb_snprintf __builtin_snprintf
+#define _upb_vsnprintf __builtin_vsnprintf
+#define _upb_va_copy(a, b) __va_copy(a, b)
+#elif __STDC_VERSION__ >= 199901L
+/* C99 versions. */
+#define _upb_snprintf snprintf
+#define _upb_vsnprintf vsnprintf
+#define _upb_va_copy(a, b) va_copy(a, b)
+#else
+#error Need implementations of [v]snprintf and va_copy
+#endif
+
+
+#if ((defined(__cplusplus) && __cplusplus >= 201103L) || \
+ defined(__GXX_EXPERIMENTAL_CXX0X__)) && !defined(UPB_NO_CXX11)
+#define UPB_CXX11
+#endif
+
+/* UPB_DISALLOW_COPY_AND_ASSIGN()
+ * UPB_DISALLOW_POD_OPS()
+ *
+ * Declare these in the "private" section of a C++ class to forbid copy/assign
+ * or all POD ops (construct, destruct, copy, assign) on that class. */
+#ifdef UPB_CXX11
+#include <type_traits>
+#define UPB_DISALLOW_COPY_AND_ASSIGN(class_name) \
+ class_name(const class_name&) = delete; \
+ void operator=(const class_name&) = delete;
+#define UPB_DISALLOW_POD_OPS(class_name, full_class_name) \
+ class_name() = delete; \
+ ~class_name() = delete; \
+ UPB_DISALLOW_COPY_AND_ASSIGN(class_name)
+#define UPB_ASSERT_STDLAYOUT(type) \
+ static_assert(std::is_standard_layout<type>::value, \
+ #type " must be standard layout");
+#else /* !defined(UPB_CXX11) */
+#define UPB_DISALLOW_COPY_AND_ASSIGN(class_name) \
+ class_name(const class_name&); \
+ void operator=(const class_name&);
+#define UPB_DISALLOW_POD_OPS(class_name, full_class_name) \
+ class_name(); \
+ ~class_name(); \
+ UPB_DISALLOW_COPY_AND_ASSIGN(class_name)
+#define UPB_ASSERT_STDLAYOUT(type)
+#endif
+
+/* UPB_DECLARE_TYPE()
+ * UPB_DECLARE_DERIVED_TYPE()
+ * UPB_DECLARE_DERIVED_TYPE2()
+ *
+ * Macros for declaring C and C++ types both, including inheritance.
+ * The inheritance doesn't use real C++ inheritance, to stay compatible with C.
+ *
+ * These macros also provide upcasts:
+ * - in C: types-specific functions (ie. upb_foo_upcast(foo))
+ * - in C++: upb::upcast(foo) along with implicit conversions
+ *
+ * Downcasts are not provided, but upb/def.h defines downcasts for upb::Def. */
+
+#define UPB_C_UPCASTS(ty, base) \
+ UPB_INLINE base *ty ## _upcast_mutable(ty *p) { return (base*)p; } \
+ UPB_INLINE const base *ty ## _upcast(const ty *p) { return (const base*)p; }
+
+#define UPB_C_UPCASTS2(ty, base, base2) \
+ UPB_C_UPCASTS(ty, base) \
+ UPB_INLINE base2 *ty ## _upcast2_mutable(ty *p) { return (base2*)p; } \
+ UPB_INLINE const base2 *ty ## _upcast2(const ty *p) { return (const base2*)p; }
+
+#ifdef __cplusplus
+
+#define UPB_BEGIN_EXTERN_C extern "C" {
+#define UPB_END_EXTERN_C }
+#define UPB_PRIVATE_FOR_CPP private:
+#define UPB_DECLARE_TYPE(cppname, cname) typedef cppname cname;
+
+#define UPB_DECLARE_DERIVED_TYPE(cppname, cppbase, cname, cbase) \
+ UPB_DECLARE_TYPE(cppname, cname) \
+ UPB_C_UPCASTS(cname, cbase) \
+ namespace upb { \
+ template <> \
+ class Pointer<cppname> : public PointerBase<cppname, cppbase> { \
+ public: \
+ explicit Pointer(cppname* ptr) : PointerBase(ptr) {} \
+ }; \
+ template <> \
+ class Pointer<const cppname> \
+ : public PointerBase<const cppname, const cppbase> { \
+ public: \
+ explicit Pointer(const cppname* ptr) : PointerBase(ptr) {} \
+ }; \
+ }
+
+#define UPB_DECLARE_DERIVED_TYPE2(cppname, cppbase, cppbase2, cname, cbase, \
+ cbase2) \
+ UPB_DECLARE_TYPE(cppname, cname) \
+ UPB_C_UPCASTS2(cname, cbase, cbase2) \
+ namespace upb { \
+ template <> \
+ class Pointer<cppname> : public PointerBase2<cppname, cppbase, cppbase2> { \
+ public: \
+ explicit Pointer(cppname* ptr) : PointerBase2(ptr) {} \
+ }; \
+ template <> \
+ class Pointer<const cppname> \
+ : public PointerBase2<const cppname, const cppbase, const cppbase2> { \
+ public: \
+ explicit Pointer(const cppname* ptr) : PointerBase2(ptr) {} \
+ }; \
+ }
+
+#else /* !defined(__cplusplus) */
+
+#define UPB_BEGIN_EXTERN_C
+#define UPB_END_EXTERN_C
+#define UPB_PRIVATE_FOR_CPP
+#define UPB_DECLARE_TYPE(cppname, cname) \
+ struct cname; \
+ typedef struct cname cname;
+#define UPB_DECLARE_DERIVED_TYPE(cppname, cppbase, cname, cbase) \
+ UPB_DECLARE_TYPE(cppname, cname) \
+ UPB_C_UPCASTS(cname, cbase)
+#define UPB_DECLARE_DERIVED_TYPE2(cppname, cppbase, cppbase2, \
+ cname, cbase, cbase2) \
+ UPB_DECLARE_TYPE(cppname, cname) \
+ UPB_C_UPCASTS2(cname, cbase, cbase2)
+
+#endif /* defined(__cplusplus) */
+
+#define UPB_MAX(x, y) ((x) > (y) ? (x) : (y))
+#define UPB_MIN(x, y) ((x) < (y) ? (x) : (y))
+
+#define UPB_UNUSED(var) (void)var
+
+/* For asserting something about a variable when the variable is not used for
+ * anything else. This prevents "unused variable" warnings when compiling in
+ * debug mode. */
+#define UPB_ASSERT_VAR(var, predicate) UPB_UNUSED(var); assert(predicate)
+
+/* Generic function type. */
+typedef void upb_func();
+
+/* C++ Casts ******************************************************************/
+
+#ifdef __cplusplus
+
+namespace upb {
+
+template <class T> class Pointer;
+
+/* Casts to a subclass. The caller must know that cast is correct; an
+ * incorrect cast will throw an assertion failure in debug mode.
+ *
+ * Example:
+ * upb::Def* def = GetDef();
+ * // Assert-fails if this was not actually a MessageDef.
+ * upb::MessgeDef* md = upb::down_cast<upb::MessageDef>(def);
+ *
+ * Note that downcasts are only defined for some types (at the moment you can
+ * only downcast from a upb::Def to a specific Def type). */
+template<class To, class From> To down_cast(From* f);
+
+/* Casts to a subclass. If the class does not actually match the given To type,
+ * returns NULL.
+ *
+ * Example:
+ * upb::Def* def = GetDef();
+ * // md will be NULL if this was not actually a MessageDef.
+ * upb::MessgeDef* md = upb::down_cast<upb::MessageDef>(def);
+ *
+ * Note that dynamic casts are only defined for some types (at the moment you
+ * can only downcast from a upb::Def to a specific Def type).. */
+template<class To, class From> To dyn_cast(From* f);
+
+/* Casts to any base class, or the type itself (ie. can be a no-op).
+ *
+ * Example:
+ * upb::MessageDef* md = GetDef();
+ * // This will fail to compile if this wasn't actually a base class.
+ * upb::Def* def = upb::upcast(md);
+ */
+template <class T> inline Pointer<T> upcast(T *f) { return Pointer<T>(f); }
+
+/* Attempt upcast to specific base class.
+ *
+ * Example:
+ * upb::MessageDef* md = GetDef();
+ * upb::upcast_to<upb::Def>(md)->MethodOnDef();
+ */
+template <class T, class F> inline T* upcast_to(F *f) {
+ return static_cast<T*>(upcast(f));
+}
+
+/* PointerBase<T>: implementation detail of upb::upcast().
+ * It is implicitly convertable to pointers to the Base class(es).
+ */
+template <class T, class Base>
+class PointerBase {
+ public:
+ explicit PointerBase(T* ptr) : ptr_(ptr) {}
+ operator T*() { return ptr_; }
+ operator Base*() { return (Base*)ptr_; }
+
+ private:
+ T* ptr_;
+};
+
+template <class T, class Base, class Base2>
+class PointerBase2 : public PointerBase<T, Base> {
+ public:
+ explicit PointerBase2(T* ptr) : PointerBase<T, Base>(ptr) {}
+ operator Base2*() { return Pointer<Base>(*this); }
+};
+
+}
+
+#endif
+
+
+/* upb::reffed_ptr ************************************************************/
+
+#ifdef __cplusplus
+
+#include <algorithm> /* For std::swap(). */
+
+namespace upb {
+
+/* Provides RAII semantics for upb refcounted objects. Each reffed_ptr owns a
+ * ref on whatever object it points to (if any). */
+template <class T> class reffed_ptr {
+ public:
+ reffed_ptr() : ptr_(NULL) {}
+
+ /* If ref_donor is NULL, takes a new ref, otherwise adopts from ref_donor. */
+ template <class U>
+ reffed_ptr(U* val, const void* ref_donor = NULL)
+ : ptr_(upb::upcast(val)) {
+ if (ref_donor) {
+ assert(ptr_);
+ ptr_->DonateRef(ref_donor, this);
+ } else if (ptr_) {
+ ptr_->Ref(this);
+ }
+ }
+
+ template <class U>
+ reffed_ptr(const reffed_ptr<U>& other)
+ : ptr_(upb::upcast(other.get())) {
+ if (ptr_) ptr_->Ref(this);
+ }
+
+ ~reffed_ptr() { if (ptr_) ptr_->Unref(this); }
+
+ template <class U>
+ reffed_ptr& operator=(const reffed_ptr<U>& other) {
+ reset(other.get());
+ return *this;
+ }
+
+ reffed_ptr& operator=(const reffed_ptr& other) {
+ reset(other.get());
+ return *this;
+ }
+
+ /* TODO(haberman): add C++11 move construction/assignment for greater
+ * efficiency. */
+
+ void swap(reffed_ptr& other) {
+ if (ptr_ == other.ptr_) {
+ return;
+ }
+
+ if (ptr_) ptr_->DonateRef(this, &other);
+ if (other.ptr_) other.ptr_->DonateRef(&other, this);
+ std::swap(ptr_, other.ptr_);
+ }
+
+ T& operator*() const {
+ assert(ptr_);
+ return *ptr_;
+ }
+
+ T* operator->() const {
+ assert(ptr_);
+ return ptr_;
+ }
+
+ T* get() const { return ptr_; }
+
+ /* If ref_donor is NULL, takes a new ref, otherwise adopts from ref_donor. */
+ template <class U>
+ void reset(U* ptr = NULL, const void* ref_donor = NULL) {
+ reffed_ptr(ptr, ref_donor).swap(*this);
+ }
+
+ template <class U>
+ reffed_ptr<U> down_cast() {
+ return reffed_ptr<U>(upb::down_cast<U*>(get()));
+ }
+
+ template <class U>
+ reffed_ptr<U> dyn_cast() {
+ return reffed_ptr<U>(upb::dyn_cast<U*>(get()));
+ }
+
+ /* Plain release() is unsafe; if we were the only owner, it would leak the
+ * object. Instead we provide this: */
+ T* ReleaseTo(const void* new_owner) {
+ T* ret = NULL;
+ ptr_->DonateRef(this, new_owner);
+ std::swap(ret, ptr_);
+ return ret;
+ }
+
+ private:
+ T* ptr_;
+};
+
+} /* namespace upb */
+
+#endif /* __cplusplus */
+
+
+/* upb::Status ****************************************************************/
+
+#ifdef __cplusplus
+namespace upb {
+class ErrorSpace;
+class Status;
+}
+#endif
+
+UPB_DECLARE_TYPE(upb::ErrorSpace, upb_errorspace)
+UPB_DECLARE_TYPE(upb::Status, upb_status)
+
+/* The maximum length of an error message before it will get truncated. */
+#define UPB_STATUS_MAX_MESSAGE 128
+
+/* An error callback function is used to report errors from some component.
+ * The function can return "true" to indicate that the component should try
+ * to recover and proceed, but this is not always possible. */
+typedef bool upb_errcb_t(void *closure, const upb_status* status);
+
+#ifdef __cplusplus
+class upb::ErrorSpace {
+#else
+struct upb_errorspace {
+#endif
+ const char *name;
+ /* Should the error message in the status object according to this code. */
+ void (*set_message)(upb_status* status, int code);
+};
+
+#ifdef __cplusplus
+
+/* Object representing a success or failure status.
+ * It owns no resources and allocates no memory, so it should work
+ * even in OOM situations. */
+
+class upb::Status {
+ public:
+ Status();
+
+ /* Returns true if there is no error. */
+ bool ok() const;
+
+ /* Optional error space and code, useful if the caller wants to
+ * programmatically check the specific kind of error. */
+ ErrorSpace* error_space();
+ int code() const;
+
+ const char *error_message() const;
+
+ /* The error message will be truncated if it is longer than
+ * UPB_STATUS_MAX_MESSAGE-4. */
+ void SetErrorMessage(const char* msg);
+ void SetFormattedErrorMessage(const char* fmt, ...);
+
+ /* If there is no error message already, this will use the ErrorSpace to
+ * populate the error message for this code. The caller can still call
+ * SetErrorMessage() to give a more specific message. */
+ void SetErrorCode(ErrorSpace* space, int code);
+
+ /* Resets the status to a successful state with no message. */
+ void Clear();
+
+ void CopyFrom(const Status& other);
+
+ private:
+ UPB_DISALLOW_COPY_AND_ASSIGN(Status)
+#else
+struct upb_status {
+#endif
+ bool ok_;
+
+ /* Specific status code defined by some error space (optional). */
+ int code_;
+ upb_errorspace *error_space_;
+
+ /* Error message; NULL-terminated. */
+ char msg[UPB_STATUS_MAX_MESSAGE];
+};
+
+#define UPB_STATUS_INIT {true, 0, NULL, {0}}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* The returned string is invalidated by any other call into the status. */
+const char *upb_status_errmsg(const upb_status *status);
+bool upb_ok(const upb_status *status);
+upb_errorspace *upb_status_errspace(const upb_status *status);
+int upb_status_errcode(const upb_status *status);
+
+/* Any of the functions that write to a status object allow status to be NULL,
+ * to support use cases where the function's caller does not care about the
+ * status message. */
+void upb_status_clear(upb_status *status);
+void upb_status_seterrmsg(upb_status *status, const char *msg);
+void upb_status_seterrf(upb_status *status, const char *fmt, ...);
+void upb_status_vseterrf(upb_status *status, const char *fmt, va_list args);
+void upb_status_seterrcode(upb_status *status, upb_errorspace *space, int code);
+void upb_status_copy(upb_status *to, const upb_status *from);
+
+#ifdef __cplusplus
+} /* extern "C" */
+
+namespace upb {
+
+/* C++ Wrappers */
+inline Status::Status() { Clear(); }
+inline bool Status::ok() const { return upb_ok(this); }
+inline const char* Status::error_message() const {
+ return upb_status_errmsg(this);
+}
+inline void Status::SetErrorMessage(const char* msg) {
+ upb_status_seterrmsg(this, msg);
+}
+inline void Status::SetFormattedErrorMessage(const char* fmt, ...) {
+ va_list args;
+ va_start(args, fmt);
+ upb_status_vseterrf(this, fmt, args);
+ va_end(args);
+}
+inline void Status::SetErrorCode(ErrorSpace* space, int code) {
+ upb_status_seterrcode(this, space, code);
+}
+inline void Status::Clear() { upb_status_clear(this); }
+inline void Status::CopyFrom(const Status& other) {
+ upb_status_copy(this, &other);
+}
+
+} /* namespace upb */
+
+#endif
+
+#endif /* UPB_H_ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* upb_value ******************************************************************/
+
+/* A tagged union (stored untagged inside the table) so that we can check that
+ * clients calling table accessors are correctly typed without having to have
+ * an explosion of accessors. */
+typedef enum {
+ UPB_CTYPE_INT32 = 1,
+ UPB_CTYPE_INT64 = 2,
+ UPB_CTYPE_UINT32 = 3,
+ UPB_CTYPE_UINT64 = 4,
+ UPB_CTYPE_BOOL = 5,
+ UPB_CTYPE_CSTR = 6,
+ UPB_CTYPE_PTR = 7,
+ UPB_CTYPE_CONSTPTR = 8,
+ UPB_CTYPE_FPTR = 9
+} upb_ctype_t;
+
+typedef struct {
+ uint64_t val;
+#ifndef NDEBUG
+ /* In debug mode we carry the value type around also so we can check accesses
+ * to be sure the right member is being read. */
+ upb_ctype_t ctype;
+#endif
+} upb_value;
+
+#ifdef NDEBUG
+#define SET_TYPE(dest, val) UPB_UNUSED(val)
+#else
+#define SET_TYPE(dest, val) dest = val
+#endif
+
+/* Like strdup(), which isn't always available since it's not ANSI C. */
+char *upb_strdup(const char *s);
+/* Variant that works with a length-delimited rather than NULL-delimited string,
+ * as supported by strtable. */
+char *upb_strdup2(const char *s, size_t len);
+
+UPB_INLINE void _upb_value_setval(upb_value *v, uint64_t val,
+ upb_ctype_t ctype) {
+ v->val = val;
+ SET_TYPE(v->ctype, ctype);
+}
+
+UPB_INLINE upb_value _upb_value_val(uint64_t val, upb_ctype_t ctype) {
+ upb_value ret;
+ _upb_value_setval(&ret, val, ctype);
+ return ret;
+}
+
+/* For each value ctype, define the following set of functions:
+ *
+ * // Get/set an int32 from a upb_value.
+ * int32_t upb_value_getint32(upb_value val);
+ * void upb_value_setint32(upb_value *val, int32_t cval);
+ *
+ * // Construct a new upb_value from an int32.
+ * upb_value upb_value_int32(int32_t val); */
+#define FUNCS(name, membername, type_t, converter, proto_type) \
+ UPB_INLINE void upb_value_set ## name(upb_value *val, type_t cval) { \
+ val->val = (converter)cval; \
+ SET_TYPE(val->ctype, proto_type); \
+ } \
+ UPB_INLINE upb_value upb_value_ ## name(type_t val) { \
+ upb_value ret; \
+ upb_value_set ## name(&ret, val); \
+ return ret; \
+ } \
+ UPB_INLINE type_t upb_value_get ## name(upb_value val) { \
+ assert(val.ctype == proto_type); \
+ return (type_t)(converter)val.val; \
+ }
+
+FUNCS(int32, int32, int32_t, int32_t, UPB_CTYPE_INT32)
+FUNCS(int64, int64, int64_t, int64_t, UPB_CTYPE_INT64)
+FUNCS(uint32, uint32, uint32_t, uint32_t, UPB_CTYPE_UINT32)
+FUNCS(uint64, uint64, uint64_t, uint64_t, UPB_CTYPE_UINT64)
+FUNCS(bool, _bool, bool, bool, UPB_CTYPE_BOOL)
+FUNCS(cstr, cstr, char*, uintptr_t, UPB_CTYPE_CSTR)
+FUNCS(ptr, ptr, void*, uintptr_t, UPB_CTYPE_PTR)
+FUNCS(constptr, constptr, const void*, uintptr_t, UPB_CTYPE_CONSTPTR)
+FUNCS(fptr, fptr, upb_func*, uintptr_t, UPB_CTYPE_FPTR)
+
+#undef FUNCS
+#undef SET_TYPE
+
+
+/* upb_tabkey *****************************************************************/
+
+/* Either:
+ * 1. an actual integer key, or
+ * 2. a pointer to a string prefixed by its uint32_t length, owned by us.
+ *
+ * ...depending on whether this is a string table or an int table. We would
+ * make this a union of those two types, but C89 doesn't support statically
+ * initializing a non-first union member. */
+typedef uintptr_t upb_tabkey;
+
+#define UPB_TABKEY_NUM(n) n
+#define UPB_TABKEY_NONE 0
+/* The preprocessor isn't quite powerful enough to turn the compile-time string
+ * length into a byte-wise string representation, so code generation needs to
+ * help it along.
+ *
+ * "len1" is the low byte and len4 is the high byte. */
+#ifdef UPB_BIG_ENDIAN
+#define UPB_TABKEY_STR(len1, len2, len3, len4, strval) \
+ (uintptr_t)(len4 len3 len2 len1 strval)
+#else
+#define UPB_TABKEY_STR(len1, len2, len3, len4, strval) \
+ (uintptr_t)(len1 len2 len3 len4 strval)
+#endif
+
+UPB_INLINE char *upb_tabstr(upb_tabkey key, uint32_t *len) {
+ char* mem = (char*)key;
+ if (len) memcpy(len, mem, sizeof(*len));
+ return mem + sizeof(*len);
+}
+
+
+/* upb_tabval *****************************************************************/
+
+#ifdef __cplusplus
+
+/* Status initialization not supported.
+ *
+ * This separate definition is necessary because in C++, UINTPTR_MAX isn't
+ * reliably available. */
+typedef struct {
+ uint64_t val;
+} upb_tabval;
+
+#else
+
+/* C -- supports static initialization, but to support static initialization of
+ * both integers and points for both 32 and 64 bit targets, it takes a little
+ * bit of doing. */
+
+#if UINTPTR_MAX == 0xffffffffffffffffULL
+#define UPB_PTR_IS_64BITS
+#elif UINTPTR_MAX != 0xffffffff
+#error Could not determine how many bits pointers are.
+#endif
+
+typedef union {
+ /* For static initialization.
+ *
+ * Unfortunately this ugliness is necessary -- it is the only way that we can,
+ * with -std=c89 -pedantic, statically initialize this to either a pointer or
+ * an integer on 32-bit platforms. */
+ struct {
+#ifdef UPB_PTR_IS_64BITS
+ uintptr_t val;
+#else
+ uintptr_t val1;
+ uintptr_t val2;
+#endif
+ } staticinit;
+
+ /* The normal accessor that we use for everything at runtime. */
+ uint64_t val;
+} upb_tabval;
+
+#ifdef UPB_PTR_IS_64BITS
+#define UPB_TABVALUE_INT_INIT(v) {{v}}
+#define UPB_TABVALUE_EMPTY_INIT {{-1}}
+#else
+
+/* 32-bit pointers */
+
+#ifdef UPB_BIG_ENDIAN
+#define UPB_TABVALUE_INT_INIT(v) {{0, v}}
+#define UPB_TABVALUE_EMPTY_INIT {{-1, -1}}
+#else
+#define UPB_TABVALUE_INT_INIT(v) {{v, 0}}
+#define UPB_TABVALUE_EMPTY_INIT {{-1, -1}}
+#endif
+
+#endif
+
+#define UPB_TABVALUE_PTR_INIT(v) UPB_TABVALUE_INT_INIT((uintptr_t)v)
+
+#undef UPB_PTR_IS_64BITS
+
+#endif /* __cplusplus */
+
+
+/* upb_table ******************************************************************/
+
+typedef struct _upb_tabent {
+ upb_tabkey key;
+ upb_tabval val;
+
+ /* Internal chaining. This is const so we can create static initializers for
+ * tables. We cast away const sometimes, but *only* when the containing
+ * upb_table is known to be non-const. This requires a bit of care, but
+ * the subtlety is confined to table.c. */
+ const struct _upb_tabent *next;
+} upb_tabent;
+
+typedef struct {
+ size_t count; /* Number of entries in the hash part. */
+ size_t mask; /* Mask to turn hash value -> bucket. */
+ upb_ctype_t ctype; /* Type of all values. */
+ uint8_t size_lg2; /* Size of the hashtable part is 2^size_lg2 entries. */
+
+ /* Hash table entries.
+ * Making this const isn't entirely accurate; what we really want is for it to
+ * have the same const-ness as the table it's inside. But there's no way to
+ * declare that in C. So we have to make it const so that we can statically
+ * initialize const hash tables. Then we cast away const when we have to.
+ */
+ const upb_tabent *entries;
+} upb_table;
+
+typedef struct {
+ upb_table t;
+} upb_strtable;
+
+#define UPB_STRTABLE_INIT(count, mask, ctype, size_lg2, entries) \
+ {{count, mask, ctype, size_lg2, entries}}
+
+#define UPB_EMPTY_STRTABLE_INIT(ctype) \
+ UPB_STRTABLE_INIT(0, 0, ctype, 0, NULL)
+
+typedef struct {
+ upb_table t; /* For entries that don't fit in the array part. */
+ const upb_tabval *array; /* Array part of the table. See const note above. */
+ size_t array_size; /* Array part size. */
+ size_t array_count; /* Array part number of elements. */
+} upb_inttable;
+
+#define UPB_INTTABLE_INIT(count, mask, ctype, size_lg2, ent, a, asize, acount) \
+ {{count, mask, ctype, size_lg2, ent}, a, asize, acount}
+
+#define UPB_EMPTY_INTTABLE_INIT(ctype) \
+ UPB_INTTABLE_INIT(0, 0, ctype, 0, NULL, NULL, 0, 0)
+
+#define UPB_ARRAY_EMPTYENT -1
+
+UPB_INLINE size_t upb_table_size(const upb_table *t) {
+ if (t->size_lg2 == 0)
+ return 0;
+ else
+ return 1 << t->size_lg2;
+}
+
+/* Internal-only functions, in .h file only out of necessity. */
+UPB_INLINE bool upb_tabent_isempty(const upb_tabent *e) {
+ return e->key == 0;
+}
+
+/* Used by some of the unit tests for generic hashing functionality. */
+uint32_t MurmurHash2(const void * key, size_t len, uint32_t seed);
+
+UPB_INLINE uintptr_t upb_intkey(uintptr_t key) {
+ return key;
+}
+
+UPB_INLINE uint32_t upb_inthash(uintptr_t key) {
+ return (uint32_t)key;
+}
+
+static const upb_tabent *upb_getentry(const upb_table *t, uint32_t hash) {
+ return t->entries + (hash & t->mask);
+}
+
+UPB_INLINE bool upb_arrhas(upb_tabval key) {
+ return key.val != (uint64_t)-1;
+}
+
+/* Initialize and uninitialize a table, respectively. If memory allocation
+ * failed, false is returned that the table is uninitialized. */
+bool upb_inttable_init(upb_inttable *table, upb_ctype_t ctype);
+bool upb_strtable_init(upb_strtable *table, upb_ctype_t ctype);
+void upb_inttable_uninit(upb_inttable *table);
+void upb_strtable_uninit(upb_strtable *table);
+
+/* Returns the number of values in the table. */
+size_t upb_inttable_count(const upb_inttable *t);
+UPB_INLINE size_t upb_strtable_count(const upb_strtable *t) {
+ return t->t.count;
+}
+
+/* Inserts the given key into the hashtable with the given value. The key must
+ * not already exist in the hash table. For string tables, the key must be
+ * NULL-terminated, and the table will make an internal copy of the key.
+ * Inttables must not insert a value of UINTPTR_MAX.
+ *
+ * If a table resize was required but memory allocation failed, false is
+ * returned and the table is unchanged. */
+bool upb_inttable_insert(upb_inttable *t, uintptr_t key, upb_value val);
+bool upb_strtable_insert2(upb_strtable *t, const char *key, size_t len,
+ upb_value val);
+
+/* For NULL-terminated strings. */
+UPB_INLINE bool upb_strtable_insert(upb_strtable *t, const char *key,
+ upb_value val) {
+ return upb_strtable_insert2(t, key, strlen(key), val);
+}
+
+/* Looks up key in this table, returning "true" if the key was found.
+ * If v is non-NULL, copies the value for this key into *v. */
+bool upb_inttable_lookup(const upb_inttable *t, uintptr_t key, upb_value *v);
+bool upb_strtable_lookup2(const upb_strtable *t, const char *key, size_t len,
+ upb_value *v);
+
+/* For NULL-terminated strings. */
+UPB_INLINE bool upb_strtable_lookup(const upb_strtable *t, const char *key,
+ upb_value *v) {
+ return upb_strtable_lookup2(t, key, strlen(key), v);
+}
+
+/* Removes an item from the table. Returns true if the remove was successful,
+ * and stores the removed item in *val if non-NULL. */
+bool upb_inttable_remove(upb_inttable *t, uintptr_t key, upb_value *val);
+bool upb_strtable_remove2(upb_strtable *t, const char *key, size_t len,
+ upb_value *val);
+
+/* For NULL-terminated strings. */
+UPB_INLINE bool upb_strtable_remove(upb_strtable *t, const char *key,
+ upb_value *v) {
+ return upb_strtable_remove2(t, key, strlen(key), v);
+}
+
+/* Updates an existing entry in an inttable. If the entry does not exist,
+ * returns false and does nothing. Unlike insert/remove, this does not
+ * invalidate iterators. */
+bool upb_inttable_replace(upb_inttable *t, uintptr_t key, upb_value val);
+
+/* Handy routines for treating an inttable like a stack. May not be mixed with
+ * other insert/remove calls. */
+bool upb_inttable_push(upb_inttable *t, upb_value val);
+upb_value upb_inttable_pop(upb_inttable *t);
+
+/* Convenience routines for inttables with pointer keys. */
+bool upb_inttable_insertptr(upb_inttable *t, const void *key, upb_value val);
+bool upb_inttable_removeptr(upb_inttable *t, const void *key, upb_value *val);
+bool upb_inttable_lookupptr(
+ const upb_inttable *t, const void *key, upb_value *val);
+
+/* Optimizes the table for the current set of entries, for both memory use and
+ * lookup time. Client should call this after all entries have been inserted;
+ * inserting more entries is legal, but will likely require a table resize. */
+void upb_inttable_compact(upb_inttable *t);
+
+/* A special-case inlinable version of the lookup routine for 32-bit
+ * integers. */
+UPB_INLINE bool upb_inttable_lookup32(const upb_inttable *t, uint32_t key,
+ upb_value *v) {
+ *v = upb_value_int32(0); /* Silence compiler warnings. */
+ if (key < t->array_size) {
+ upb_tabval arrval = t->array[key];
+ if (upb_arrhas(arrval)) {
+ _upb_value_setval(v, arrval.val, t->t.ctype);
+ return true;
+ } else {
+ return false;
+ }
+ } else {
+ const upb_tabent *e;
+ if (t->t.entries == NULL) return false;
+ for (e = upb_getentry(&t->t, upb_inthash(key)); true; e = e->next) {
+ if ((uint32_t)e->key == key) {
+ _upb_value_setval(v, e->val.val, t->t.ctype);
+ return true;
+ }
+ if (e->next == NULL) return false;
+ }
+ }
+}
+
+/* Exposed for testing only. */
+bool upb_strtable_resize(upb_strtable *t, size_t size_lg2);
+
+/* Iterators ******************************************************************/
+
+/* Iterators for int and string tables. We are subject to some kind of unusual
+ * design constraints:
+ *
+ * For high-level languages:
+ * - we must be able to guarantee that we don't crash or corrupt memory even if
+ * the program accesses an invalidated iterator.
+ *
+ * For C++11 range-based for:
+ * - iterators must be copyable
+ * - iterators must be comparable
+ * - it must be possible to construct an "end" value.
+ *
+ * Iteration order is undefined.
+ *
+ * Modifying the table invalidates iterators. upb_{str,int}table_done() is
+ * guaranteed to work even on an invalidated iterator, as long as the table it
+ * is iterating over has not been freed. Calling next() or accessing data from
+ * an invalidated iterator yields unspecified elements from the table, but it is
+ * guaranteed not to crash and to return real table elements (except when done()
+ * is true). */
+
+
+/* upb_strtable_iter **********************************************************/
+
+/* upb_strtable_iter i;
+ * upb_strtable_begin(&i, t);
+ * for(; !upb_strtable_done(&i); upb_strtable_next(&i)) {
+ * const char *key = upb_strtable_iter_key(&i);
+ * const upb_value val = upb_strtable_iter_value(&i);
+ * // ...
+ * }
+ */
+
+typedef struct {
+ const upb_strtable *t;
+ size_t index;
+} upb_strtable_iter;
+
+void upb_strtable_begin(upb_strtable_iter *i, const upb_strtable *t);
+void upb_strtable_next(upb_strtable_iter *i);
+bool upb_strtable_done(const upb_strtable_iter *i);
+const char *upb_strtable_iter_key(upb_strtable_iter *i);
+size_t upb_strtable_iter_keylength(upb_strtable_iter *i);
+upb_value upb_strtable_iter_value(const upb_strtable_iter *i);
+void upb_strtable_iter_setdone(upb_strtable_iter *i);
+bool upb_strtable_iter_isequal(const upb_strtable_iter *i1,
+ const upb_strtable_iter *i2);
+
+
+/* upb_inttable_iter **********************************************************/
+
+/* upb_inttable_iter i;
+ * upb_inttable_begin(&i, t);
+ * for(; !upb_inttable_done(&i); upb_inttable_next(&i)) {
+ * uintptr_t key = upb_inttable_iter_key(&i);
+ * upb_value val = upb_inttable_iter_value(&i);
+ * // ...
+ * }
+ */
+
+typedef struct {
+ const upb_inttable *t;
+ size_t index;
+ bool array_part;
+} upb_inttable_iter;
+
+void upb_inttable_begin(upb_inttable_iter *i, const upb_inttable *t);
+void upb_inttable_next(upb_inttable_iter *i);
+bool upb_inttable_done(const upb_inttable_iter *i);
+uintptr_t upb_inttable_iter_key(const upb_inttable_iter *i);
+upb_value upb_inttable_iter_value(const upb_inttable_iter *i);
+void upb_inttable_iter_setdone(upb_inttable_iter *i);
+bool upb_inttable_iter_isequal(const upb_inttable_iter *i1,
+ const upb_inttable_iter *i2);
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* UPB_TABLE_H_ */
+
+/* Reference tracking will check ref()/unref() operations to make sure the
+ * ref ownership is correct. Where possible it will also make tools like
+ * Valgrind attribute ref leaks to the code that took the leaked ref, not
+ * the code that originally created the object.
+ *
+ * Enabling this requires the application to define upb_lock()/upb_unlock()
+ * functions that acquire/release a global mutex (or #define UPB_THREAD_UNSAFE).
+ * For this reason we don't enable it by default, even in debug builds.
+ */
+
+/* #define UPB_DEBUG_REFS */
+
+#ifdef __cplusplus
+namespace upb { class RefCounted; }
+#endif
+
+UPB_DECLARE_TYPE(upb::RefCounted, upb_refcounted)
+
+struct upb_refcounted_vtbl;
+
+#ifdef __cplusplus
+
+class upb::RefCounted {
+ public:
+ /* Returns true if the given object is frozen. */
+ bool IsFrozen() const;
+
+ /* Increases the ref count, the new ref is owned by "owner" which must not
+ * already own a ref (and should not itself be a refcounted object if the ref
+ * could possibly be circular; see below).
+ * Thread-safe iff "this" is frozen. */
+ void Ref(const void *owner) const;
+
+ /* Release a ref that was acquired from upb_refcounted_ref() and collects any
+ * objects it can. */
+ void Unref(const void *owner) const;
+
+ /* Moves an existing ref from "from" to "to", without changing the overall
+ * ref count. DonateRef(foo, NULL, owner) is the same as Ref(foo, owner),
+ * but "to" may not be NULL. */
+ void DonateRef(const void *from, const void *to) const;
+
+ /* Verifies that a ref to the given object is currently held by the given
+ * owner. Only effective in UPB_DEBUG_REFS builds. */
+ void CheckRef(const void *owner) const;
+
+ private:
+ UPB_DISALLOW_POD_OPS(RefCounted, upb::RefCounted)
+#else
+struct upb_refcounted {
+#endif
+ /* TODO(haberman): move the actual structure definition to structdefs.int.h.
+ * The only reason they are here is because inline functions need to see the
+ * definition of upb_handlers, which needs to see this definition. But we
+ * can change the upb_handlers inline functions to deal in raw offsets
+ * instead.
+ */
+
+ /* A single reference count shared by all objects in the group. */
+ uint32_t *group;
+
+ /* A singly-linked list of all objects in the group. */
+ upb_refcounted *next;
+
+ /* Table of function pointers for this type. */
+ const struct upb_refcounted_vtbl *vtbl;
+
+ /* Maintained only when mutable, this tracks the number of refs (but not
+ * ref2's) to this object. *group should be the sum of all individual_count
+ * in the group. */
+ uint32_t individual_count;
+
+ bool is_frozen;
+
+#ifdef UPB_DEBUG_REFS
+ upb_inttable *refs; /* Maps owner -> trackedref for incoming refs. */
+ upb_inttable *ref2s; /* Set of targets for outgoing ref2s. */
+#endif
+};
+
+#ifdef UPB_DEBUG_REFS
+#define UPB_REFCOUNT_INIT(refs, ref2s) \
+ {&static_refcount, NULL, NULL, 0, true, refs, ref2s}
+#else
+#define UPB_REFCOUNT_INIT(refs, ref2s) {&static_refcount, NULL, NULL, 0, true}
+#endif
+
+UPB_BEGIN_EXTERN_C
+
+/* It is better to use tracked refs when possible, for the extra debugging
+ * capability. But if this is not possible (because you don't have easy access
+ * to a stable pointer value that is associated with the ref), you can pass
+ * UPB_UNTRACKED_REF instead. */
+extern const void *UPB_UNTRACKED_REF;
+
+/* Native C API. */
+bool upb_refcounted_isfrozen(const upb_refcounted *r);
+void upb_refcounted_ref(const upb_refcounted *r, const void *owner);
+void upb_refcounted_unref(const upb_refcounted *r, const void *owner);
+void upb_refcounted_donateref(
+ const upb_refcounted *r, const void *from, const void *to);
+void upb_refcounted_checkref(const upb_refcounted *r, const void *owner);
+
+#define UPB_REFCOUNTED_CMETHODS(type, upcastfunc) \
+ UPB_INLINE bool type ## _isfrozen(const type *v) { \
+ return upb_refcounted_isfrozen(upcastfunc(v)); \
+ } \
+ UPB_INLINE void type ## _ref(const type *v, const void *owner) { \
+ upb_refcounted_ref(upcastfunc(v), owner); \
+ } \
+ UPB_INLINE void type ## _unref(const type *v, const void *owner) { \
+ upb_refcounted_unref(upcastfunc(v), owner); \
+ } \
+ UPB_INLINE void type ## _donateref(const type *v, const void *from, const void *to) { \
+ upb_refcounted_donateref(upcastfunc(v), from, to); \
+ } \
+ UPB_INLINE void type ## _checkref(const type *v, const void *owner) { \
+ upb_refcounted_checkref(upcastfunc(v), owner); \
+ }
+
+#define UPB_REFCOUNTED_CPPMETHODS \
+ bool IsFrozen() const { \
+ return upb::upcast_to<const upb::RefCounted>(this)->IsFrozen(); \
+ } \
+ void Ref(const void *owner) const { \
+ return upb::upcast_to<const upb::RefCounted>(this)->Ref(owner); \
+ } \
+ void Unref(const void *owner) const { \
+ return upb::upcast_to<const upb::RefCounted>(this)->Unref(owner); \
+ } \
+ void DonateRef(const void *from, const void *to) const { \
+ return upb::upcast_to<const upb::RefCounted>(this)->DonateRef(from, to); \
+ } \
+ void CheckRef(const void *owner) const { \
+ return upb::upcast_to<const upb::RefCounted>(this)->CheckRef(owner); \
+ }
+
+/* Internal-to-upb Interface **************************************************/
+
+typedef void upb_refcounted_visit(const upb_refcounted *r,
+ const upb_refcounted *subobj,
+ void *closure);
+
+struct upb_refcounted_vtbl {
+ /* Must visit all subobjects that are currently ref'd via upb_refcounted_ref2.
+ * Must be longjmp()-safe. */
+ void (*visit)(const upb_refcounted *r, upb_refcounted_visit *visit, void *c);
+
+ /* Must free the object and release all references to other objects. */
+ void (*free)(upb_refcounted *r);
+};
+
+/* Initializes the refcounted with a single ref for the given owner. Returns
+ * false if memory could not be allocated. */
+bool upb_refcounted_init(upb_refcounted *r,
+ const struct upb_refcounted_vtbl *vtbl,
+ const void *owner);
+
+/* Adds a ref from one refcounted object to another ("from" must not already
+ * own a ref). These refs may be circular; cycles will be collected correctly
+ * (if conservatively). These refs do not need to be freed in from's free()
+ * function. */
+void upb_refcounted_ref2(const upb_refcounted *r, upb_refcounted *from);
+
+/* Removes a ref that was acquired from upb_refcounted_ref2(), and collects any
+ * object it can. This is only necessary when "from" no longer points to "r",
+ * and not from from's "free" function. */
+void upb_refcounted_unref2(const upb_refcounted *r, upb_refcounted *from);
+
+#define upb_ref2(r, from) \
+ upb_refcounted_ref2((const upb_refcounted*)r, (upb_refcounted*)from)
+#define upb_unref2(r, from) \
+ upb_refcounted_unref2((const upb_refcounted*)r, (upb_refcounted*)from)
+
+/* Freezes all mutable object reachable by ref2() refs from the given roots.
+ * This will split refcounting groups into precise SCC groups, so that
+ * refcounting of frozen objects can be more aggressive. If memory allocation
+ * fails, or if more than 2**31 mutable objects are reachable from "roots", or
+ * if the maximum depth of the graph exceeds "maxdepth", false is returned and
+ * the objects are unchanged.
+ *
+ * After this operation succeeds, the objects are frozen/const, and may not be
+ * used through non-const pointers. In particular, they may not be passed as
+ * the second parameter of upb_refcounted_{ref,unref}2(). On the upside, all
+ * operations on frozen refcounteds are threadsafe, and objects will be freed
+ * at the precise moment that they become unreachable.
+ *
+ * Caller must own refs on each object in the "roots" list. */
+bool upb_refcounted_freeze(upb_refcounted *const*roots, int n, upb_status *s,
+ int maxdepth);
+
+/* Shared by all compiled-in refcounted objects. */
+extern uint32_t static_refcount;
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+/* C++ Wrappers. */
+namespace upb {
+inline bool RefCounted::IsFrozen() const {
+ return upb_refcounted_isfrozen(this);
+}
+inline void RefCounted::Ref(const void *owner) const {
+ upb_refcounted_ref(this, owner);
+}
+inline void RefCounted::Unref(const void *owner) const {
+ upb_refcounted_unref(this, owner);
+}
+inline void RefCounted::DonateRef(const void *from, const void *to) const {
+ upb_refcounted_donateref(this, from, to);
+}
+inline void RefCounted::CheckRef(const void *owner) const {
+ upb_refcounted_checkref(this, owner);
+}
+} /* namespace upb */
+#endif
+
+#endif /* UPB_REFCOUNT_H_ */
+
+#ifdef __cplusplus
+#include <cstring>
+#include <string>
+#include <vector>
+
+namespace upb {
+class Def;
+class EnumDef;
+class FieldDef;
+class MessageDef;
+class OneofDef;
+}
+#endif
+
+UPB_DECLARE_DERIVED_TYPE(upb::Def, upb::RefCounted, upb_def, upb_refcounted)
+
+/* The maximum message depth that the type graph can have. This is a resource
+ * limit for the C stack since we sometimes need to recursively traverse the
+ * graph. Cycles are ok; the traversal will stop when it detects a cycle, but
+ * we must hit the cycle before the maximum depth is reached.
+ *
+ * If having a single static limit is too inflexible, we can add another variant
+ * of Def::Freeze that allows specifying this as a parameter. */
+#define UPB_MAX_MESSAGE_DEPTH 64
+
+
+/* upb::Def: base class for defs *********************************************/
+
+/* All the different kind of defs we support. These correspond 1:1 with
+ * declarations in a .proto file. */
+typedef enum {
+ UPB_DEF_MSG,
+ UPB_DEF_FIELD,
+ UPB_DEF_ENUM,
+ UPB_DEF_ONEOF,
+ UPB_DEF_SERVICE, /* Not yet implemented. */
+ UPB_DEF_ANY = -1 /* Wildcard for upb_symtab_get*() */
+} upb_deftype_t;
+
+#ifdef __cplusplus
+
+/* The base class of all defs. Its base is upb::RefCounted (use upb::upcast()
+ * to convert). */
+class upb::Def {
+ public:
+ typedef upb_deftype_t Type;
+
+ Def* Dup(const void *owner) const;
+
+ /* upb::RefCounted methods like Ref()/Unref(). */
+ UPB_REFCOUNTED_CPPMETHODS
+
+ Type def_type() const;
+
+ /* "fullname" is the def's fully-qualified name (eg. foo.bar.Message). */
+ const char *full_name() const;
+
+ /* The def must be mutable. Caller retains ownership of fullname. Defs are
+ * not required to have a name; if a def has no name when it is frozen, it
+ * will remain an anonymous def. On failure, returns false and details in "s"
+ * if non-NULL. */
+ bool set_full_name(const char* fullname, upb::Status* s);
+ bool set_full_name(const std::string &fullname, upb::Status* s);
+
+ /* Freezes the given defs; this validates all constraints and marks the defs
+ * as frozen (read-only). "defs" may not contain any fielddefs, but fields
+ * of any msgdefs will be frozen.
+ *
+ * Symbolic references to sub-types and enum defaults must have already been
+ * resolved. Any mutable defs reachable from any of "defs" must also be in
+ * the list; more formally, "defs" must be a transitive closure of mutable
+ * defs.
+ *
+ * After this operation succeeds, the finalized defs must only be accessed
+ * through a const pointer! */
+ static bool Freeze(Def* const* defs, int n, Status* status);
+ static bool Freeze(const std::vector<Def*>& defs, Status* status);
+
+ private:
+ UPB_DISALLOW_POD_OPS(Def, upb::Def)
+};
+
+#endif /* __cplusplus */
+
+UPB_BEGIN_EXTERN_C
+
+/* Native C API. */
+upb_def *upb_def_dup(const upb_def *def, const void *owner);
+
+/* Include upb_refcounted methods like upb_def_ref()/upb_def_unref(). */
+UPB_REFCOUNTED_CMETHODS(upb_def, upb_def_upcast)
+
+upb_deftype_t upb_def_type(const upb_def *d);
+const char *upb_def_fullname(const upb_def *d);
+bool upb_def_setfullname(upb_def *def, const char *fullname, upb_status *s);
+bool upb_def_freeze(upb_def *const *defs, int n, upb_status *s);
+
+UPB_END_EXTERN_C
+
+
+/* upb::Def casts *************************************************************/
+
+#ifdef __cplusplus
+#define UPB_CPP_CASTS(cname, cpptype) \
+ namespace upb { \
+ template <> \
+ inline cpptype *down_cast<cpptype *, Def>(Def * def) { \
+ return upb_downcast_##cname##_mutable(def); \
+ } \
+ template <> \
+ inline cpptype *dyn_cast<cpptype *, Def>(Def * def) { \
+ return upb_dyncast_##cname##_mutable(def); \
+ } \
+ template <> \
+ inline const cpptype *down_cast<const cpptype *, const Def>( \
+ const Def *def) { \
+ return upb_downcast_##cname(def); \
+ } \
+ template <> \
+ inline const cpptype *dyn_cast<const cpptype *, const Def>(const Def *def) { \
+ return upb_dyncast_##cname(def); \
+ } \
+ template <> \
+ inline const cpptype *down_cast<const cpptype *, Def>(Def * def) { \
+ return upb_downcast_##cname(def); \
+ } \
+ template <> \
+ inline const cpptype *dyn_cast<const cpptype *, Def>(Def * def) { \
+ return upb_dyncast_##cname(def); \
+ } \
+ } /* namespace upb */
+#else
+#define UPB_CPP_CASTS(cname, cpptype)
+#endif /* __cplusplus */
+
+/* Dynamic casts, for determining if a def is of a particular type at runtime.
+ * Downcasts, for when some wants to assert that a def is of a particular type.
+ * These are only checked if we are building debug. */
+#define UPB_DEF_CASTS(lower, upper, cpptype) \
+ UPB_INLINE const upb_##lower *upb_dyncast_##lower(const upb_def *def) { \
+ if (upb_def_type(def) != UPB_DEF_##upper) return NULL; \
+ return (upb_##lower *)def; \
+ } \
+ UPB_INLINE const upb_##lower *upb_downcast_##lower(const upb_def *def) { \
+ assert(upb_def_type(def) == UPB_DEF_##upper); \
+ return (const upb_##lower *)def; \
+ } \
+ UPB_INLINE upb_##lower *upb_dyncast_##lower##_mutable(upb_def *def) { \
+ return (upb_##lower *)upb_dyncast_##lower(def); \
+ } \
+ UPB_INLINE upb_##lower *upb_downcast_##lower##_mutable(upb_def *def) { \
+ return (upb_##lower *)upb_downcast_##lower(def); \
+ } \
+ UPB_CPP_CASTS(lower, cpptype)
+
+#define UPB_DEFINE_DEF(cppname, lower, upper, cppmethods, members) \
+ UPB_DEFINE_CLASS2(cppname, upb::Def, upb::RefCounted, cppmethods, \
+ members) \
+ UPB_DEF_CASTS(lower, upper, cppname)
+
+#define UPB_DECLARE_DEF_TYPE(cppname, lower, upper) \
+ UPB_DECLARE_DERIVED_TYPE2(cppname, upb::Def, upb::RefCounted, \
+ upb_ ## lower, upb_def, upb_refcounted) \
+ UPB_DEF_CASTS(lower, upper, cppname)
+
+UPB_DECLARE_DEF_TYPE(upb::FieldDef, fielddef, FIELD)
+UPB_DECLARE_DEF_TYPE(upb::MessageDef, msgdef, MSG)
+UPB_DECLARE_DEF_TYPE(upb::EnumDef, enumdef, ENUM)
+UPB_DECLARE_DEF_TYPE(upb::OneofDef, oneofdef, ONEOF)
+
+#undef UPB_DECLARE_DEF_TYPE
+#undef UPB_DEF_CASTS
+#undef UPB_CPP_CASTS
+
+
+/* upb::FieldDef **************************************************************/
+
+/* The types a field can have. Note that this list is not identical to the
+ * types defined in descriptor.proto, which gives INT32 and SINT32 separate
+ * types (we distinguish the two with the "integer encoding" enum below). */
+typedef enum {
+ UPB_TYPE_FLOAT = 1,
+ UPB_TYPE_DOUBLE = 2,
+ UPB_TYPE_BOOL = 3,
+ UPB_TYPE_STRING = 4,
+ UPB_TYPE_BYTES = 5,
+ UPB_TYPE_MESSAGE = 6,
+ UPB_TYPE_ENUM = 7, /* Enum values are int32. */
+ UPB_TYPE_INT32 = 8,
+ UPB_TYPE_UINT32 = 9,
+ UPB_TYPE_INT64 = 10,
+ UPB_TYPE_UINT64 = 11
+} upb_fieldtype_t;
+
+/* The repeated-ness of each field; this matches descriptor.proto. */
+typedef enum {
+ UPB_LABEL_OPTIONAL = 1,
+ UPB_LABEL_REQUIRED = 2,
+ UPB_LABEL_REPEATED = 3
+} upb_label_t;
+
+/* How integers should be encoded in serializations that offer multiple
+ * integer encoding methods. */
+typedef enum {
+ UPB_INTFMT_VARIABLE = 1,
+ UPB_INTFMT_FIXED = 2,
+ UPB_INTFMT_ZIGZAG = 3 /* Only for signed types (INT32/INT64). */
+} upb_intfmt_t;
+
+/* Descriptor types, as defined in descriptor.proto. */
+typedef enum {
+ UPB_DESCRIPTOR_TYPE_DOUBLE = 1,
+ UPB_DESCRIPTOR_TYPE_FLOAT = 2,
+ UPB_DESCRIPTOR_TYPE_INT64 = 3,
+ UPB_DESCRIPTOR_TYPE_UINT64 = 4,
+ UPB_DESCRIPTOR_TYPE_INT32 = 5,
+ UPB_DESCRIPTOR_TYPE_FIXED64 = 6,
+ UPB_DESCRIPTOR_TYPE_FIXED32 = 7,
+ UPB_DESCRIPTOR_TYPE_BOOL = 8,
+ UPB_DESCRIPTOR_TYPE_STRING = 9,
+ UPB_DESCRIPTOR_TYPE_GROUP = 10,
+ UPB_DESCRIPTOR_TYPE_MESSAGE = 11,
+ UPB_DESCRIPTOR_TYPE_BYTES = 12,
+ UPB_DESCRIPTOR_TYPE_UINT32 = 13,
+ UPB_DESCRIPTOR_TYPE_ENUM = 14,
+ UPB_DESCRIPTOR_TYPE_SFIXED32 = 15,
+ UPB_DESCRIPTOR_TYPE_SFIXED64 = 16,
+ UPB_DESCRIPTOR_TYPE_SINT32 = 17,
+ UPB_DESCRIPTOR_TYPE_SINT64 = 18
+} upb_descriptortype_t;
+
+/* Maximum field number allowed for FieldDefs. This is an inherent limit of the
+ * protobuf wire format. */
+#define UPB_MAX_FIELDNUMBER ((1 << 29) - 1)
+
+#ifdef __cplusplus
+
+/* A upb_fielddef describes a single field in a message. It is most often
+ * found as a part of a upb_msgdef, but can also stand alone to represent
+ * an extension.
+ *
+ * Its base class is upb::Def (use upb::upcast() to convert). */
+class upb::FieldDef {
+ public:
+ typedef upb_fieldtype_t Type;
+ typedef upb_label_t Label;
+ typedef upb_intfmt_t IntegerFormat;
+ typedef upb_descriptortype_t DescriptorType;
+
+ /* These return true if the given value is a valid member of the enumeration. */
+ static bool CheckType(int32_t val);
+ static bool CheckLabel(int32_t val);
+ static bool CheckDescriptorType(int32_t val);
+ static bool CheckIntegerFormat(int32_t val);
+
+ /* These convert to the given enumeration; they require that the value is
+ * valid. */
+ static Type ConvertType(int32_t val);
+ static Label ConvertLabel(int32_t val);
+ static DescriptorType ConvertDescriptorType(int32_t val);
+ static IntegerFormat ConvertIntegerFormat(int32_t val);
+
+ /* Returns NULL if memory allocation failed. */
+ static reffed_ptr<FieldDef> New();
+
+ /* Duplicates the given field, returning NULL if memory allocation failed.
+ * When a fielddef is duplicated, the subdef (if any) is made symbolic if it
+ * wasn't already. If the subdef is set but has no name (which is possible
+ * since msgdefs are not required to have a name) the new fielddef's subdef
+ * will be unset. */
+ FieldDef* Dup(const void* owner) const;
+
+ /* upb::RefCounted methods like Ref()/Unref(). */
+ UPB_REFCOUNTED_CPPMETHODS
+
+ /* Functionality from upb::Def. */
+ const char* full_name() const;
+
+ bool type_is_set() const; /* set_[descriptor_]type() has been called? */
+ Type type() const; /* Requires that type_is_set() == true. */
+ Label label() const; /* Defaults to UPB_LABEL_OPTIONAL. */
+ const char* name() const; /* NULL if uninitialized. */
+ uint32_t number() const; /* Returns 0 if uninitialized. */
+ bool is_extension() const;
+
+ /* For UPB_TYPE_MESSAGE fields only where is_tag_delimited() == false,
+ * indicates whether this field should have lazy parsing handlers that yield
+ * the unparsed string for the submessage.
+ *
+ * TODO(haberman): I think we want to move this into a FieldOptions container
+ * when we add support for custom options (the FieldOptions struct will
+ * contain both regular FieldOptions like "lazy" *and* custom options). */
+ bool lazy() const;
+
+ /* For non-string, non-submessage fields, this indicates whether binary
+ * protobufs are encoded in packed or non-packed format.
+ *
+ * TODO(haberman): see note above about putting options like this into a
+ * FieldOptions container. */
+ bool packed() const;
+
+ /* An integer that can be used as an index into an array of fields for
+ * whatever message this field belongs to. Guaranteed to be less than
+ * f->containing_type()->field_count(). May only be accessed once the def has
+ * been finalized. */
+ int index() const;
+
+ /* The MessageDef to which this field belongs.
+ *
+ * If this field has been added to a MessageDef, that message can be retrieved
+ * directly (this is always the case for frozen FieldDefs).
+ *
+ * If the field has not yet been added to a MessageDef, you can set the name
+ * of the containing type symbolically instead. This is mostly useful for
+ * extensions, where the extension is declared separately from the message. */
+ const MessageDef* containing_type() const;
+ const char* containing_type_name();
+
+ /* The OneofDef to which this field belongs, or NULL if this field is not part
+ * of a oneof. */
+ const OneofDef* containing_oneof() const;
+
+ /* The field's type according to the enum in descriptor.proto. This is not
+ * the same as UPB_TYPE_*, because it distinguishes between (for example)
+ * INT32 and SINT32, whereas our "type" enum does not. This return of
+ * descriptor_type() is a function of type(), integer_format(), and
+ * is_tag_delimited(). Likewise set_descriptor_type() sets all three
+ * appropriately. */
+ DescriptorType descriptor_type() const;
+
+ /* Convenient field type tests. */
+ bool IsSubMessage() const;
+ bool IsString() const;
+ bool IsSequence() const;
+ bool IsPrimitive() const;
+ bool IsMap() const;
+
+ /* How integers are encoded. Only meaningful for integer types.
+ * Defaults to UPB_INTFMT_VARIABLE, and is reset when "type" changes. */
+ IntegerFormat integer_format() const;
+
+ /* Whether a submessage field is tag-delimited or not (if false, then
+ * length-delimited). May only be set when type() == UPB_TYPE_MESSAGE. */
+ bool is_tag_delimited() const;
+
+ /* Returns the non-string default value for this fielddef, which may either
+ * be something the client set explicitly or the "default default" (0 for
+ * numbers, empty for strings). The field's type indicates the type of the
+ * returned value, except for enum fields that are still mutable.
+ *
+ * Requires that the given function matches the field's current type. */
+ int64_t default_int64() const;
+ int32_t default_int32() const;
+ uint64_t default_uint64() const;
+ uint32_t default_uint32() const;
+ bool default_bool() const;
+ float default_float() const;
+ double default_double() const;
+
+ /* The resulting string is always NULL-terminated. If non-NULL, the length
+ * will be stored in *len. */
+ const char *default_string(size_t* len) const;
+
+ /* For frozen UPB_TYPE_ENUM fields, enum defaults can always be read as either
+ * string or int32, and both of these methods will always return true.
+ *
+ * For mutable UPB_TYPE_ENUM fields, the story is a bit more complicated.
+ * Enum defaults are unusual. They can be specified either as string or int32,
+ * but to be valid the enum must have that value as a member. And if no
+ * default is specified, the "default default" comes from the EnumDef.
+ *
+ * We allow reading the default as either an int32 or a string, but only if
+ * we have a meaningful value to report. We have a meaningful value if it was
+ * set explicitly, or if we could get the "default default" from the EnumDef.
+ * Also if you explicitly set the name and we find the number in the EnumDef */
+ bool EnumHasStringDefault() const;
+ bool EnumHasInt32Default() const;
+
+ /* Submessage and enum fields must reference a "subdef", which is the
+ * upb::MessageDef or upb::EnumDef that defines their type. Note that when
+ * the FieldDef is mutable it may not have a subdef *yet*, but this function
+ * still returns true to indicate that the field's type requires a subdef. */
+ bool HasSubDef() const;
+
+ /* Returns the enum or submessage def for this field, if any. The field's
+ * type must match (ie. you may only call enum_subdef() for fields where
+ * type() == UPB_TYPE_ENUM). Returns NULL if the subdef has not been set or
+ * is currently set symbolically. */
+ const EnumDef* enum_subdef() const;
+ const MessageDef* message_subdef() const;
+
+ /* Returns the generic subdef for this field. Requires that HasSubDef() (ie.
+ * only works for UPB_TYPE_ENUM and UPB_TYPE_MESSAGE fields). */
+ const Def* subdef() const;
+
+ /* Returns the symbolic name of the subdef. If the subdef is currently set
+ * unresolved (ie. set symbolically) returns the symbolic name. If it has
+ * been resolved to a specific subdef, returns the name from that subdef. */
+ const char* subdef_name() const;
+
+ /* Setters (non-const methods), only valid for mutable FieldDefs! ***********/
+
+ bool set_full_name(const char* fullname, upb::Status* s);
+ bool set_full_name(const std::string& fullname, upb::Status* s);
+
+ /* This may only be called if containing_type() == NULL (ie. the field has not
+ * been added to a message yet). */
+ bool set_containing_type_name(const char *name, Status* status);
+ bool set_containing_type_name(const std::string& name, Status* status);
+
+ /* Defaults to false. When we freeze, we ensure that this can only be true
+ * for length-delimited message fields. Prior to freezing this can be true or
+ * false with no restrictions. */
+ void set_lazy(bool lazy);
+
+ /* Defaults to true. Sets whether this field is encoded in packed format. */
+ void set_packed(bool packed);
+
+ /* "type" or "descriptor_type" MUST be set explicitly before the fielddef is
+ * finalized. These setters require that the enum value is valid; if the
+ * value did not come directly from an enum constant, the caller should
+ * validate it first with the functions above (CheckFieldType(), etc). */
+ void set_type(Type type);
+ void set_label(Label label);
+ void set_descriptor_type(DescriptorType type);
+ void set_is_extension(bool is_extension);
+
+ /* "number" and "name" must be set before the FieldDef is added to a
+ * MessageDef, and may not be set after that.
+ *
+ * "name" is the same as full_name()/set_full_name(), but since fielddefs
+ * most often use simple, non-qualified names, we provide this accessor
+ * also. Generally only extensions will want to think of this name as
+ * fully-qualified. */
+ bool set_number(uint32_t number, upb::Status* s);
+ bool set_name(const char* name, upb::Status* s);
+ bool set_name(const std::string& name, upb::Status* s);
+
+ void set_integer_format(IntegerFormat format);
+ bool set_tag_delimited(bool tag_delimited, upb::Status* s);
+
+ /* Sets default value for the field. The call must exactly match the type
+ * of the field. Enum fields may use either setint32 or setstring to set
+ * the default numerically or symbolically, respectively, but symbolic
+ * defaults must be resolved before finalizing (see ResolveEnumDefault()).
+ *
+ * Changing the type of a field will reset its default. */
+ void set_default_int64(int64_t val);
+ void set_default_int32(int32_t val);
+ void set_default_uint64(uint64_t val);
+ void set_default_uint32(uint32_t val);
+ void set_default_bool(bool val);
+ void set_default_float(float val);
+ void set_default_double(double val);
+ bool set_default_string(const void *str, size_t len, Status *s);
+ bool set_default_string(const std::string &str, Status *s);
+ void set_default_cstr(const char *str, Status *s);
+
+ /* Before a fielddef is frozen, its subdef may be set either directly (with a
+ * upb::Def*) or symbolically. Symbolic refs must be resolved before the
+ * containing msgdef can be frozen (see upb_resolve() above). upb always
+ * guarantees that any def reachable from a live def will also be kept alive.
+ *
+ * Both methods require that upb_hassubdef(f) (so the type must be set prior
+ * to calling these methods). Returns false if this is not the case, or if
+ * the given subdef is not of the correct type. The subdef is reset if the
+ * field's type is changed. The subdef can be set to NULL to clear it. */
+ bool set_subdef(const Def* subdef, Status* s);
+ bool set_enum_subdef(const EnumDef* subdef, Status* s);
+ bool set_message_subdef(const MessageDef* subdef, Status* s);
+ bool set_subdef_name(const char* name, Status* s);
+ bool set_subdef_name(const std::string &name, Status* s);
+
+ private:
+ UPB_DISALLOW_POD_OPS(FieldDef, upb::FieldDef)
+};
+
+# endif /* defined(__cplusplus) */
+
+UPB_BEGIN_EXTERN_C
+
+/* Native C API. */
+upb_fielddef *upb_fielddef_new(const void *owner);
+upb_fielddef *upb_fielddef_dup(const upb_fielddef *f, const void *owner);
+
+/* Include upb_refcounted methods like upb_fielddef_ref(). */
+UPB_REFCOUNTED_CMETHODS(upb_fielddef, upb_fielddef_upcast2)
+
+/* Methods from upb_def. */
+const char *upb_fielddef_fullname(const upb_fielddef *f);
+bool upb_fielddef_setfullname(upb_fielddef *f, const char *fullname,
+ upb_status *s);
+
+bool upb_fielddef_typeisset(const upb_fielddef *f);
+upb_fieldtype_t upb_fielddef_type(const upb_fielddef *f);
+upb_descriptortype_t upb_fielddef_descriptortype(const upb_fielddef *f);
+upb_label_t upb_fielddef_label(const upb_fielddef *f);
+uint32_t upb_fielddef_number(const upb_fielddef *f);
+const char *upb_fielddef_name(const upb_fielddef *f);
+bool upb_fielddef_isextension(const upb_fielddef *f);
+bool upb_fielddef_lazy(const upb_fielddef *f);
+bool upb_fielddef_packed(const upb_fielddef *f);
+const upb_msgdef *upb_fielddef_containingtype(const upb_fielddef *f);
+const upb_oneofdef *upb_fielddef_containingoneof(const upb_fielddef *f);
+upb_msgdef *upb_fielddef_containingtype_mutable(upb_fielddef *f);
+const char *upb_fielddef_containingtypename(upb_fielddef *f);
+upb_intfmt_t upb_fielddef_intfmt(const upb_fielddef *f);
+uint32_t upb_fielddef_index(const upb_fielddef *f);
+bool upb_fielddef_istagdelim(const upb_fielddef *f);
+bool upb_fielddef_issubmsg(const upb_fielddef *f);
+bool upb_fielddef_isstring(const upb_fielddef *f);
+bool upb_fielddef_isseq(const upb_fielddef *f);
+bool upb_fielddef_isprimitive(const upb_fielddef *f);
+bool upb_fielddef_ismap(const upb_fielddef *f);
+int64_t upb_fielddef_defaultint64(const upb_fielddef *f);
+int32_t upb_fielddef_defaultint32(const upb_fielddef *f);
+uint64_t upb_fielddef_defaultuint64(const upb_fielddef *f);
+uint32_t upb_fielddef_defaultuint32(const upb_fielddef *f);
+bool upb_fielddef_defaultbool(const upb_fielddef *f);
+float upb_fielddef_defaultfloat(const upb_fielddef *f);
+double upb_fielddef_defaultdouble(const upb_fielddef *f);
+const char *upb_fielddef_defaultstr(const upb_fielddef *f, size_t *len);
+bool upb_fielddef_enumhasdefaultint32(const upb_fielddef *f);
+bool upb_fielddef_enumhasdefaultstr(const upb_fielddef *f);
+bool upb_fielddef_hassubdef(const upb_fielddef *f);
+const upb_def *upb_fielddef_subdef(const upb_fielddef *f);
+const upb_msgdef *upb_fielddef_msgsubdef(const upb_fielddef *f);
+const upb_enumdef *upb_fielddef_enumsubdef(const upb_fielddef *f);
+const char *upb_fielddef_subdefname(const upb_fielddef *f);
+
+void upb_fielddef_settype(upb_fielddef *f, upb_fieldtype_t type);
+void upb_fielddef_setdescriptortype(upb_fielddef *f, int type);
+void upb_fielddef_setlabel(upb_fielddef *f, upb_label_t label);
+bool upb_fielddef_setnumber(upb_fielddef *f, uint32_t number, upb_status *s);
+bool upb_fielddef_setname(upb_fielddef *f, const char *name, upb_status *s);
+bool upb_fielddef_setcontainingtypename(upb_fielddef *f, const char *name,
+ upb_status *s);
+void upb_fielddef_setisextension(upb_fielddef *f, bool is_extension);
+void upb_fielddef_setlazy(upb_fielddef *f, bool lazy);
+void upb_fielddef_setpacked(upb_fielddef *f, bool packed);
+void upb_fielddef_setintfmt(upb_fielddef *f, upb_intfmt_t fmt);
+void upb_fielddef_settagdelim(upb_fielddef *f, bool tag_delim);
+void upb_fielddef_setdefaultint64(upb_fielddef *f, int64_t val);
+void upb_fielddef_setdefaultint32(upb_fielddef *f, int32_t val);
+void upb_fielddef_setdefaultuint64(upb_fielddef *f, uint64_t val);
+void upb_fielddef_setdefaultuint32(upb_fielddef *f, uint32_t val);
+void upb_fielddef_setdefaultbool(upb_fielddef *f, bool val);
+void upb_fielddef_setdefaultfloat(upb_fielddef *f, float val);
+void upb_fielddef_setdefaultdouble(upb_fielddef *f, double val);
+bool upb_fielddef_setdefaultstr(upb_fielddef *f, const void *str, size_t len,
+ upb_status *s);
+void upb_fielddef_setdefaultcstr(upb_fielddef *f, const char *str,
+ upb_status *s);
+bool upb_fielddef_setsubdef(upb_fielddef *f, const upb_def *subdef,
+ upb_status *s);
+bool upb_fielddef_setmsgsubdef(upb_fielddef *f, const upb_msgdef *subdef,
+ upb_status *s);
+bool upb_fielddef_setenumsubdef(upb_fielddef *f, const upb_enumdef *subdef,
+ upb_status *s);
+bool upb_fielddef_setsubdefname(upb_fielddef *f, const char *name,
+ upb_status *s);
+
+bool upb_fielddef_checklabel(int32_t label);
+bool upb_fielddef_checktype(int32_t type);
+bool upb_fielddef_checkdescriptortype(int32_t type);
+bool upb_fielddef_checkintfmt(int32_t fmt);
+
+UPB_END_EXTERN_C
+
+
+/* upb::MessageDef ************************************************************/
+
+typedef upb_inttable_iter upb_msg_field_iter;
+typedef upb_strtable_iter upb_msg_oneof_iter;
+
+#ifdef __cplusplus
+
+/* Structure that describes a single .proto message type.
+ *
+ * Its base class is upb::Def (use upb::upcast() to convert). */
+class upb::MessageDef {
+ public:
+ /* Returns NULL if memory allocation failed. */
+ static reffed_ptr<MessageDef> New();
+
+ /* upb::RefCounted methods like Ref()/Unref(). */
+ UPB_REFCOUNTED_CPPMETHODS
+
+ /* Functionality from upb::Def. */
+ const char* full_name() const;
+ bool set_full_name(const char* fullname, Status* s);
+ bool set_full_name(const std::string& fullname, Status* s);
+
+ /* Call to freeze this MessageDef.
+ * WARNING: this will fail if this message has any unfrozen submessages!
+ * Messages with cycles must be frozen as a batch using upb::Def::Freeze(). */
+ bool Freeze(Status* s);
+
+ /* The number of fields that belong to the MessageDef. */
+ int field_count() const;
+
+ /* The number of oneofs that belong to the MessageDef. */
+ int oneof_count() const;
+
+ /* Adds a field (upb_fielddef object) to a msgdef. Requires that the msgdef
+ * and the fielddefs are mutable. The fielddef's name and number must be
+ * set, and the message may not already contain any field with this name or
+ * number, and this fielddef may not be part of another message. In error
+ * cases false is returned and the msgdef is unchanged.
+ *
+ * If the given field is part of a oneof, this call succeeds if and only if
+ * that oneof is already part of this msgdef. (Note that adding a oneof to a
+ * msgdef automatically adds all of its fields to the msgdef at the time that
+ * the oneof is added, so it is usually more idiomatic to add the oneof's
+ * fields first then add the oneof to the msgdef. This case is supported for
+ * convenience.)
+ *
+ * If |f| is already part of this MessageDef, this method performs no action
+ * and returns true (success). Thus, this method is idempotent. */
+ bool AddField(FieldDef* f, Status* s);
+ bool AddField(const reffed_ptr<FieldDef>& f, Status* s);
+
+ /* Adds a oneof (upb_oneofdef object) to a msgdef. Requires that the msgdef,
+ * oneof, and any fielddefs are mutable, that the fielddefs contained in the
+ * oneof do not have any name or number conflicts with existing fields in the
+ * msgdef, and that the oneof's name is unique among all oneofs in the msgdef.
+ * If the oneof is added successfully, all of its fields will be added
+ * directly to the msgdef as well. In error cases, false is returned and the
+ * msgdef is unchanged. */
+ bool AddOneof(OneofDef* o, Status* s);
+ bool AddOneof(const reffed_ptr<OneofDef>& o, Status* s);
+
+ /* These return NULL if the field is not found. */
+ FieldDef* FindFieldByNumber(uint32_t number);
+ FieldDef* FindFieldByName(const char *name, size_t len);
+ const FieldDef* FindFieldByNumber(uint32_t number) const;
+ const FieldDef* FindFieldByName(const char* name, size_t len) const;
+
+
+ FieldDef* FindFieldByName(const char *name) {
+ return FindFieldByName(name, strlen(name));
+ }
+ const FieldDef* FindFieldByName(const char *name) const {
+ return FindFieldByName(name, strlen(name));
+ }
+
+ template <class T>
+ FieldDef* FindFieldByName(const T& str) {
+ return FindFieldByName(str.c_str(), str.size());
+ }
+ template <class T>
+ const FieldDef* FindFieldByName(const T& str) const {
+ return FindFieldByName(str.c_str(), str.size());
+ }
+
+ OneofDef* FindOneofByName(const char* name, size_t len);
+ const OneofDef* FindOneofByName(const char* name, size_t len) const;
+
+ OneofDef* FindOneofByName(const char* name) {
+ return FindOneofByName(name, strlen(name));
+ }
+ const OneofDef* FindOneofByName(const char* name) const {
+ return FindOneofByName(name, strlen(name));
+ }
+
+ template<class T>
+ OneofDef* FindOneofByName(const T& str) {
+ return FindOneofByName(str.c_str(), str.size());
+ }
+ template<class T>
+ const OneofDef* FindOneofByName(const T& str) const {
+ return FindOneofByName(str.c_str(), str.size());
+ }
+
+ /* Returns a new msgdef that is a copy of the given msgdef (and a copy of all
+ * the fields) but with any references to submessages broken and replaced
+ * with just the name of the submessage. Returns NULL if memory allocation
+ * failed.
+ *
+ * TODO(haberman): which is more useful, keeping fields resolved or
+ * unresolving them? If there's no obvious answer, Should this functionality
+ * just be moved into symtab.c? */
+ MessageDef* Dup(const void* owner) const;
+
+ /* Is this message a map entry? */
+ void setmapentry(bool map_entry);
+ bool mapentry() const;
+
+ /* Iteration over fields. The order is undefined. */
+ class field_iterator
+ : public std::iterator<std::forward_iterator_tag, FieldDef*> {
+ public:
+ explicit field_iterator(MessageDef* md);
+ static field_iterator end(MessageDef* md);
+
+ void operator++();
+ FieldDef* operator*() const;
+ bool operator!=(const field_iterator& other) const;
+ bool operator==(const field_iterator& other) const;
+
+ private:
+ upb_msg_field_iter iter_;
+ };
+
+ class const_field_iterator
+ : public std::iterator<std::forward_iterator_tag, const FieldDef*> {
+ public:
+ explicit const_field_iterator(const MessageDef* md);
+ static const_field_iterator end(const MessageDef* md);
+
+ void operator++();
+ const FieldDef* operator*() const;
+ bool operator!=(const const_field_iterator& other) const;
+ bool operator==(const const_field_iterator& other) const;
+
+ private:
+ upb_msg_field_iter iter_;
+ };
+
+ /* Iteration over oneofs. The order is undefined. */
+ class oneof_iterator
+ : public std::iterator<std::forward_iterator_tag, FieldDef*> {
+ public:
+ explicit oneof_iterator(MessageDef* md);
+ static oneof_iterator end(MessageDef* md);
+
+ void operator++();
+ OneofDef* operator*() const;
+ bool operator!=(const oneof_iterator& other) const;
+ bool operator==(const oneof_iterator& other) const;
+
+ private:
+ upb_msg_oneof_iter iter_;
+ };
+
+ class const_oneof_iterator
+ : public std::iterator<std::forward_iterator_tag, const FieldDef*> {
+ public:
+ explicit const_oneof_iterator(const MessageDef* md);
+ static const_oneof_iterator end(const MessageDef* md);
+
+ void operator++();
+ const OneofDef* operator*() const;
+ bool operator!=(const const_oneof_iterator& other) const;
+ bool operator==(const const_oneof_iterator& other) const;
+
+ private:
+ upb_msg_oneof_iter iter_;
+ };
+
+ class FieldAccessor {
+ public:
+ explicit FieldAccessor(MessageDef* msg) : msg_(msg) {}
+ field_iterator begin() { return msg_->field_begin(); }
+ field_iterator end() { return msg_->field_end(); }
+ private:
+ MessageDef* msg_;
+ };
+
+ class ConstFieldAccessor {
+ public:
+ explicit ConstFieldAccessor(const MessageDef* msg) : msg_(msg) {}
+ const_field_iterator begin() { return msg_->field_begin(); }
+ const_field_iterator end() { return msg_->field_end(); }
+ private:
+ const MessageDef* msg_;
+ };
+
+ class OneofAccessor {
+ public:
+ explicit OneofAccessor(MessageDef* msg) : msg_(msg) {}
+ oneof_iterator begin() { return msg_->oneof_begin(); }
+ oneof_iterator end() { return msg_->oneof_end(); }
+ private:
+ MessageDef* msg_;
+ };
+
+ class ConstOneofAccessor {
+ public:
+ explicit ConstOneofAccessor(const MessageDef* msg) : msg_(msg) {}
+ const_oneof_iterator begin() { return msg_->oneof_begin(); }
+ const_oneof_iterator end() { return msg_->oneof_end(); }
+ private:
+ const MessageDef* msg_;
+ };
+
+ field_iterator field_begin();
+ field_iterator field_end();
+ const_field_iterator field_begin() const;
+ const_field_iterator field_end() const;
+
+ oneof_iterator oneof_begin();
+ oneof_iterator oneof_end();
+ const_oneof_iterator oneof_begin() const;
+ const_oneof_iterator oneof_end() const;
+
+ FieldAccessor fields() { return FieldAccessor(this); }
+ ConstFieldAccessor fields() const { return ConstFieldAccessor(this); }
+ OneofAccessor oneofs() { return OneofAccessor(this); }
+ ConstOneofAccessor oneofs() const { return ConstOneofAccessor(this); }
+
+ private:
+ UPB_DISALLOW_POD_OPS(MessageDef, upb::MessageDef)
+};
+
+#endif /* __cplusplus */
+
+UPB_BEGIN_EXTERN_C
+
+/* Returns NULL if memory allocation failed. */
+upb_msgdef *upb_msgdef_new(const void *owner);
+
+/* Include upb_refcounted methods like upb_msgdef_ref(). */
+UPB_REFCOUNTED_CMETHODS(upb_msgdef, upb_msgdef_upcast2)
+
+bool upb_msgdef_freeze(upb_msgdef *m, upb_status *status);
+
+const char *upb_msgdef_fullname(const upb_msgdef *m);
+bool upb_msgdef_setfullname(upb_msgdef *m, const char *fullname, upb_status *s);
+
+upb_msgdef *upb_msgdef_dup(const upb_msgdef *m, const void *owner);
+bool upb_msgdef_addfield(upb_msgdef *m, upb_fielddef *f, const void *ref_donor,
+ upb_status *s);
+bool upb_msgdef_addoneof(upb_msgdef *m, upb_oneofdef *o, const void *ref_donor,
+ upb_status *s);
+
+/* Field lookup in a couple of different variations:
+ * - itof = int to field
+ * - ntof = name to field
+ * - ntofz = name to field, null-terminated string. */
+const upb_fielddef *upb_msgdef_itof(const upb_msgdef *m, uint32_t i);
+const upb_fielddef *upb_msgdef_ntof(const upb_msgdef *m, const char *name,
+ size_t len);
+int upb_msgdef_numfields(const upb_msgdef *m);
+
+UPB_INLINE const upb_fielddef *upb_msgdef_ntofz(const upb_msgdef *m,
+ const char *name) {
+ return upb_msgdef_ntof(m, name, strlen(name));
+}
+
+UPB_INLINE upb_fielddef *upb_msgdef_itof_mutable(upb_msgdef *m, uint32_t i) {
+ return (upb_fielddef*)upb_msgdef_itof(m, i);
+}
+
+UPB_INLINE upb_fielddef *upb_msgdef_ntof_mutable(upb_msgdef *m,
+ const char *name, size_t len) {
+ return (upb_fielddef *)upb_msgdef_ntof(m, name, len);
+}
+
+/* Oneof lookup:
+ * - ntoo = name to oneof
+ * - ntooz = name to oneof, null-terminated string. */
+const upb_oneofdef *upb_msgdef_ntoo(const upb_msgdef *m, const char *name,
+ size_t len);
+int upb_msgdef_numoneofs(const upb_msgdef *m);
+
+UPB_INLINE const upb_oneofdef *upb_msgdef_ntooz(const upb_msgdef *m,
+ const char *name) {
+ return upb_msgdef_ntoo(m, name, strlen(name));
+}
+
+UPB_INLINE upb_oneofdef *upb_msgdef_ntoo_mutable(upb_msgdef *m,
+ const char *name, size_t len) {
+ return (upb_oneofdef *)upb_msgdef_ntoo(m, name, len);
+}
+
+void upb_msgdef_setmapentry(upb_msgdef *m, bool map_entry);
+bool upb_msgdef_mapentry(const upb_msgdef *m);
+
+/* Well-known field tag numbers for map-entry messages. */
+#define UPB_MAPENTRY_KEY 1
+#define UPB_MAPENTRY_VALUE 2
+
+const upb_oneofdef *upb_msgdef_findoneof(const upb_msgdef *m,
+ const char *name);
+int upb_msgdef_numoneofs(const upb_msgdef *m);
+
+/* upb_msg_field_iter i;
+ * for(upb_msg_field_begin(&i, m);
+ * !upb_msg_field_done(&i);
+ * upb_msg_field_next(&i)) {
+ * upb_fielddef *f = upb_msg_iter_field(&i);
+ * // ...
+ * }
+ *
+ * For C we don't have separate iterators for const and non-const.
+ * It is the caller's responsibility to cast the upb_fielddef* to
+ * const if the upb_msgdef* is const. */
+void upb_msg_field_begin(upb_msg_field_iter *iter, const upb_msgdef *m);
+void upb_msg_field_next(upb_msg_field_iter *iter);
+bool upb_msg_field_done(const upb_msg_field_iter *iter);
+upb_fielddef *upb_msg_iter_field(const upb_msg_field_iter *iter);
+void upb_msg_field_iter_setdone(upb_msg_field_iter *iter);
+
+/* Similar to above, we also support iterating through the oneofs in a
+ * msgdef. */
+void upb_msg_oneof_begin(upb_msg_oneof_iter *iter, const upb_msgdef *m);
+void upb_msg_oneof_next(upb_msg_oneof_iter *iter);
+bool upb_msg_oneof_done(const upb_msg_oneof_iter *iter);
+upb_oneofdef *upb_msg_iter_oneof(const upb_msg_oneof_iter *iter);
+void upb_msg_oneof_iter_setdone(upb_msg_oneof_iter *iter);
+
+UPB_END_EXTERN_C
+
+
+/* upb::EnumDef ***************************************************************/
+
+typedef upb_strtable_iter upb_enum_iter;
+
+#ifdef __cplusplus
+
+/* Class that represents an enum. Its base class is upb::Def (convert with
+ * upb::upcast()). */
+class upb::EnumDef {
+ public:
+ /* Returns NULL if memory allocation failed. */
+ static reffed_ptr<EnumDef> New();
+
+ /* upb::RefCounted methods like Ref()/Unref(). */
+ UPB_REFCOUNTED_CPPMETHODS
+
+ /* Functionality from upb::Def. */
+ const char* full_name() const;
+ bool set_full_name(const char* fullname, Status* s);
+ bool set_full_name(const std::string& fullname, Status* s);
+
+ /* Call to freeze this EnumDef. */
+ bool Freeze(Status* s);
+
+ /* The value that is used as the default when no field default is specified.
+ * If not set explicitly, the first value that was added will be used.
+ * The default value must be a member of the enum.
+ * Requires that value_count() > 0. */
+ int32_t default_value() const;
+
+ /* Sets the default value. If this value is not valid, returns false and an
+ * error message in status. */
+ bool set_default_value(int32_t val, Status* status);
+
+ /* Returns the number of values currently defined in the enum. Note that
+ * multiple names can refer to the same number, so this may be greater than
+ * the total number of unique numbers. */
+ int value_count() const;
+
+ /* Adds a single name/number pair to the enum. Fails if this name has
+ * already been used by another value. */
+ bool AddValue(const char* name, int32_t num, Status* status);
+ bool AddValue(const std::string& name, int32_t num, Status* status);
+
+ /* Lookups from name to integer, returning true if found. */
+ bool FindValueByName(const char* name, int32_t* num) const;
+
+ /* Finds the name corresponding to the given number, or NULL if none was
+ * found. If more than one name corresponds to this number, returns the
+ * first one that was added. */
+ const char* FindValueByNumber(int32_t num) const;
+
+ /* Returns a new EnumDef with all the same values. The new EnumDef will be
+ * owned by the given owner. */
+ EnumDef* Dup(const void* owner) const;
+
+ /* Iteration over name/value pairs. The order is undefined.
+ * Adding an enum val invalidates any iterators.
+ *
+ * TODO: make compatible with range-for, with elements as pairs? */
+ class Iterator {
+ public:
+ explicit Iterator(const EnumDef*);
+
+ int32_t number();
+ const char *name();
+ bool Done();
+ void Next();
+
+ private:
+ upb_enum_iter iter_;
+ };
+
+ private:
+ UPB_DISALLOW_POD_OPS(EnumDef, upb::EnumDef)
+};
+
+#endif /* __cplusplus */
+
+UPB_BEGIN_EXTERN_C
+
+/* Native C API. */
+upb_enumdef *upb_enumdef_new(const void *owner);
+upb_enumdef *upb_enumdef_dup(const upb_enumdef *e, const void *owner);
+
+/* Include upb_refcounted methods like upb_enumdef_ref(). */
+UPB_REFCOUNTED_CMETHODS(upb_enumdef, upb_enumdef_upcast2)
+
+bool upb_enumdef_freeze(upb_enumdef *e, upb_status *status);
+
+/* From upb_def. */
+const char *upb_enumdef_fullname(const upb_enumdef *e);
+bool upb_enumdef_setfullname(upb_enumdef *e, const char *fullname,
+ upb_status *s);
+
+int32_t upb_enumdef_default(const upb_enumdef *e);
+bool upb_enumdef_setdefault(upb_enumdef *e, int32_t val, upb_status *s);
+int upb_enumdef_numvals(const upb_enumdef *e);
+bool upb_enumdef_addval(upb_enumdef *e, const char *name, int32_t num,
+ upb_status *status);
+
+/* Enum lookups:
+ * - ntoi: look up a name with specified length.
+ * - ntoiz: look up a name provided as a null-terminated string.
+ * - iton: look up an integer, returning the name as a null-terminated
+ * string. */
+bool upb_enumdef_ntoi(const upb_enumdef *e, const char *name, size_t len,
+ int32_t *num);
+UPB_INLINE bool upb_enumdef_ntoiz(const upb_enumdef *e,
+ const char *name, int32_t *num) {
+ return upb_enumdef_ntoi(e, name, strlen(name), num);
+}
+const char *upb_enumdef_iton(const upb_enumdef *e, int32_t num);
+
+/* upb_enum_iter i;
+ * for(upb_enum_begin(&i, e); !upb_enum_done(&i); upb_enum_next(&i)) {
+ * // ...
+ * }
+ */
+void upb_enum_begin(upb_enum_iter *iter, const upb_enumdef *e);
+void upb_enum_next(upb_enum_iter *iter);
+bool upb_enum_done(upb_enum_iter *iter);
+const char *upb_enum_iter_name(upb_enum_iter *iter);
+int32_t upb_enum_iter_number(upb_enum_iter *iter);
+
+UPB_END_EXTERN_C
+
+/* upb::OneofDef **************************************************************/
+
+typedef upb_inttable_iter upb_oneof_iter;
+
+#ifdef __cplusplus
+
+/* Class that represents a oneof. Its base class is upb::Def (convert with
+ * upb::upcast()). */
+class upb::OneofDef {
+ public:
+ /* Returns NULL if memory allocation failed. */
+ static reffed_ptr<OneofDef> New();
+
+ /* upb::RefCounted methods like Ref()/Unref(). */
+ UPB_REFCOUNTED_CPPMETHODS
+
+ /* Functionality from upb::Def. */
+ const char* full_name() const;
+
+ /* Returns the MessageDef that owns this OneofDef. */
+ const MessageDef* containing_type() const;
+
+ /* Returns the name of this oneof. This is the name used to look up the oneof
+ * by name once added to a message def. */
+ const char* name() const;
+ bool set_name(const char* name, Status* s);
+
+ /* Returns the number of fields currently defined in the oneof. */
+ int field_count() const;
+
+ /* Adds a field to the oneof. The field must not have been added to any other
+ * oneof or msgdef. If the oneof is not yet part of a msgdef, then when the
+ * oneof is eventually added to a msgdef, all fields added to the oneof will
+ * also be added to the msgdef at that time. If the oneof is already part of a
+ * msgdef, the field must either be a part of that msgdef already, or must not
+ * be a part of any msgdef; in the latter case, the field is added to the
+ * msgdef as a part of this operation.
+ *
+ * The field may only have an OPTIONAL label, never REQUIRED or REPEATED.
+ *
+ * If |f| is already part of this MessageDef, this method performs no action
+ * and returns true (success). Thus, this method is idempotent. */
+ bool AddField(FieldDef* field, Status* s);
+ bool AddField(const reffed_ptr<FieldDef>& field, Status* s);
+
+ /* Looks up by name. */
+ const FieldDef* FindFieldByName(const char* name, size_t len) const;
+ FieldDef* FindFieldByName(const char* name, size_t len);
+ const FieldDef* FindFieldByName(const char* name) const {
+ return FindFieldByName(name, strlen(name));
+ }
+ FieldDef* FindFieldByName(const char* name) {
+ return FindFieldByName(name, strlen(name));
+ }
+
+ template <class T>
+ FieldDef* FindFieldByName(const T& str) {
+ return FindFieldByName(str.c_str(), str.size());
+ }
+ template <class T>
+ const FieldDef* FindFieldByName(const T& str) const {
+ return FindFieldByName(str.c_str(), str.size());
+ }
+
+ /* Looks up by tag number. */
+ const FieldDef* FindFieldByNumber(uint32_t num) const;
+
+ /* Returns a new OneofDef with all the same fields. The OneofDef will be owned
+ * by the given owner. */
+ OneofDef* Dup(const void* owner) const;
+
+ /* Iteration over fields. The order is undefined. */
+ class iterator : public std::iterator<std::forward_iterator_tag, FieldDef*> {
+ public:
+ explicit iterator(OneofDef* md);
+ static iterator end(OneofDef* md);
+
+ void operator++();
+ FieldDef* operator*() const;
+ bool operator!=(const iterator& other) const;
+ bool operator==(const iterator& other) const;
+
+ private:
+ upb_oneof_iter iter_;
+ };
+
+ class const_iterator
+ : public std::iterator<std::forward_iterator_tag, const FieldDef*> {
+ public:
+ explicit const_iterator(const OneofDef* md);
+ static const_iterator end(const OneofDef* md);
+
+ void operator++();
+ const FieldDef* operator*() const;
+ bool operator!=(const const_iterator& other) const;
+ bool operator==(const const_iterator& other) const;
+
+ private:
+ upb_oneof_iter iter_;
+ };
+
+ iterator begin();
+ iterator end();
+ const_iterator begin() const;
+ const_iterator end() const;
+
+ private:
+ UPB_DISALLOW_POD_OPS(OneofDef, upb::OneofDef)
+};
+
+#endif /* __cplusplus */
+
+UPB_BEGIN_EXTERN_C
+
+/* Native C API. */
+upb_oneofdef *upb_oneofdef_new(const void *owner);
+upb_oneofdef *upb_oneofdef_dup(const upb_oneofdef *o, const void *owner);
+
+/* Include upb_refcounted methods like upb_oneofdef_ref(). */
+UPB_REFCOUNTED_CMETHODS(upb_oneofdef, upb_oneofdef_upcast2)
+
+const char *upb_oneofdef_name(const upb_oneofdef *o);
+bool upb_oneofdef_setname(upb_oneofdef *o, const char *name, upb_status *s);
+
+const upb_msgdef *upb_oneofdef_containingtype(const upb_oneofdef *o);
+int upb_oneofdef_numfields(const upb_oneofdef *o);
+bool upb_oneofdef_addfield(upb_oneofdef *o, upb_fielddef *f,
+ const void *ref_donor,
+ upb_status *s);
+
+/* Oneof lookups:
+ * - ntof: look up a field by name.
+ * - ntofz: look up a field by name (as a null-terminated string).
+ * - itof: look up a field by number. */
+const upb_fielddef *upb_oneofdef_ntof(const upb_oneofdef *o,
+ const char *name, size_t length);
+UPB_INLINE const upb_fielddef *upb_oneofdef_ntofz(const upb_oneofdef *o,
+ const char *name) {
+ return upb_oneofdef_ntof(o, name, strlen(name));
+}
+const upb_fielddef *upb_oneofdef_itof(const upb_oneofdef *o, uint32_t num);
+
+/* upb_oneof_iter i;
+ * for(upb_oneof_begin(&i, e); !upb_oneof_done(&i); upb_oneof_next(&i)) {
+ * // ...
+ * }
+ */
+void upb_oneof_begin(upb_oneof_iter *iter, const upb_oneofdef *o);
+void upb_oneof_next(upb_oneof_iter *iter);
+bool upb_oneof_done(upb_oneof_iter *iter);
+upb_fielddef *upb_oneof_iter_field(const upb_oneof_iter *iter);
+void upb_oneof_iter_setdone(upb_oneof_iter *iter);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+UPB_INLINE const char* upb_safecstr(const std::string& str) {
+ assert(str.size() == std::strlen(str.c_str()));
+ return str.c_str();
+}
+
+/* Inline C++ wrappers. */
+namespace upb {
+
+inline Def* Def::Dup(const void* owner) const {
+ return upb_def_dup(this, owner);
+}
+inline Def::Type Def::def_type() const { return upb_def_type(this); }
+inline const char* Def::full_name() const { return upb_def_fullname(this); }
+inline bool Def::set_full_name(const char* fullname, Status* s) {
+ return upb_def_setfullname(this, fullname, s);
+}
+inline bool Def::set_full_name(const std::string& fullname, Status* s) {
+ return upb_def_setfullname(this, upb_safecstr(fullname), s);
+}
+inline bool Def::Freeze(Def* const* defs, int n, Status* status) {
+ return upb_def_freeze(defs, n, status);
+}
+inline bool Def::Freeze(const std::vector<Def*>& defs, Status* status) {
+ return upb_def_freeze((Def* const*)&defs[0], defs.size(), status);
+}
+
+inline bool FieldDef::CheckType(int32_t val) {
+ return upb_fielddef_checktype(val);
+}
+inline bool FieldDef::CheckLabel(int32_t val) {
+ return upb_fielddef_checklabel(val);
+}
+inline bool FieldDef::CheckDescriptorType(int32_t val) {
+ return upb_fielddef_checkdescriptortype(val);
+}
+inline bool FieldDef::CheckIntegerFormat(int32_t val) {
+ return upb_fielddef_checkintfmt(val);
+}
+inline FieldDef::Type FieldDef::ConvertType(int32_t val) {
+ assert(CheckType(val));
+ return static_cast<FieldDef::Type>(val);
+}
+inline FieldDef::Label FieldDef::ConvertLabel(int32_t val) {
+ assert(CheckLabel(val));
+ return static_cast<FieldDef::Label>(val);
+}
+inline FieldDef::DescriptorType FieldDef::ConvertDescriptorType(int32_t val) {
+ assert(CheckDescriptorType(val));
+ return static_cast<FieldDef::DescriptorType>(val);
+}
+inline FieldDef::IntegerFormat FieldDef::ConvertIntegerFormat(int32_t val) {
+ assert(CheckIntegerFormat(val));
+ return static_cast<FieldDef::IntegerFormat>(val);
+}
+
+inline reffed_ptr<FieldDef> FieldDef::New() {
+ upb_fielddef *f = upb_fielddef_new(&f);
+ return reffed_ptr<FieldDef>(f, &f);
+}
+inline FieldDef* FieldDef::Dup(const void* owner) const {
+ return upb_fielddef_dup(this, owner);
+}
+inline const char* FieldDef::full_name() const {
+ return upb_fielddef_fullname(this);
+}
+inline bool FieldDef::set_full_name(const char* fullname, Status* s) {
+ return upb_fielddef_setfullname(this, fullname, s);
+}
+inline bool FieldDef::set_full_name(const std::string& fullname, Status* s) {
+ return upb_fielddef_setfullname(this, upb_safecstr(fullname), s);
+}
+inline bool FieldDef::type_is_set() const {
+ return upb_fielddef_typeisset(this);
+}
+inline FieldDef::Type FieldDef::type() const { return upb_fielddef_type(this); }
+inline FieldDef::DescriptorType FieldDef::descriptor_type() const {
+ return upb_fielddef_descriptortype(this);
+}
+inline FieldDef::Label FieldDef::label() const {
+ return upb_fielddef_label(this);
+}
+inline uint32_t FieldDef::number() const { return upb_fielddef_number(this); }
+inline const char* FieldDef::name() const { return upb_fielddef_name(this); }
+inline bool FieldDef::is_extension() const {
+ return upb_fielddef_isextension(this);
+}
+inline bool FieldDef::lazy() const {
+ return upb_fielddef_lazy(this);
+}
+inline void FieldDef::set_lazy(bool lazy) {
+ upb_fielddef_setlazy(this, lazy);
+}
+inline bool FieldDef::packed() const {
+ return upb_fielddef_packed(this);
+}
+inline void FieldDef::set_packed(bool packed) {
+ upb_fielddef_setpacked(this, packed);
+}
+inline const MessageDef* FieldDef::containing_type() const {
+ return upb_fielddef_containingtype(this);
+}
+inline const OneofDef* FieldDef::containing_oneof() const {
+ return upb_fielddef_containingoneof(this);
+}
+inline const char* FieldDef::containing_type_name() {
+ return upb_fielddef_containingtypename(this);
+}
+inline bool FieldDef::set_number(uint32_t number, Status* s) {
+ return upb_fielddef_setnumber(this, number, s);
+}
+inline bool FieldDef::set_name(const char *name, Status* s) {
+ return upb_fielddef_setname(this, name, s);
+}
+inline bool FieldDef::set_name(const std::string& name, Status* s) {
+ return upb_fielddef_setname(this, upb_safecstr(name), s);
+}
+inline bool FieldDef::set_containing_type_name(const char *name, Status* s) {
+ return upb_fielddef_setcontainingtypename(this, name, s);
+}
+inline bool FieldDef::set_containing_type_name(const std::string &name,
+ Status *s) {
+ return upb_fielddef_setcontainingtypename(this, upb_safecstr(name), s);
+}
+inline void FieldDef::set_type(upb_fieldtype_t type) {
+ upb_fielddef_settype(this, type);
+}
+inline void FieldDef::set_is_extension(bool is_extension) {
+ upb_fielddef_setisextension(this, is_extension);
+}
+inline void FieldDef::set_descriptor_type(FieldDef::DescriptorType type) {
+ upb_fielddef_setdescriptortype(this, type);
+}
+inline void FieldDef::set_label(upb_label_t label) {
+ upb_fielddef_setlabel(this, label);
+}
+inline bool FieldDef::IsSubMessage() const {
+ return upb_fielddef_issubmsg(this);
+}
+inline bool FieldDef::IsString() const { return upb_fielddef_isstring(this); }
+inline bool FieldDef::IsSequence() const { return upb_fielddef_isseq(this); }
+inline bool FieldDef::IsMap() const { return upb_fielddef_ismap(this); }
+inline int64_t FieldDef::default_int64() const {
+ return upb_fielddef_defaultint64(this);
+}
+inline int32_t FieldDef::default_int32() const {
+ return upb_fielddef_defaultint32(this);
+}
+inline uint64_t FieldDef::default_uint64() const {
+ return upb_fielddef_defaultuint64(this);
+}
+inline uint32_t FieldDef::default_uint32() const {
+ return upb_fielddef_defaultuint32(this);
+}
+inline bool FieldDef::default_bool() const {
+ return upb_fielddef_defaultbool(this);
+}
+inline float FieldDef::default_float() const {
+ return upb_fielddef_defaultfloat(this);
+}
+inline double FieldDef::default_double() const {
+ return upb_fielddef_defaultdouble(this);
+}
+inline const char* FieldDef::default_string(size_t* len) const {
+ return upb_fielddef_defaultstr(this, len);
+}
+inline void FieldDef::set_default_int64(int64_t value) {
+ upb_fielddef_setdefaultint64(this, value);
+}
+inline void FieldDef::set_default_int32(int32_t value) {
+ upb_fielddef_setdefaultint32(this, value);
+}
+inline void FieldDef::set_default_uint64(uint64_t value) {
+ upb_fielddef_setdefaultuint64(this, value);
+}
+inline void FieldDef::set_default_uint32(uint32_t value) {
+ upb_fielddef_setdefaultuint32(this, value);
+}
+inline void FieldDef::set_default_bool(bool value) {
+ upb_fielddef_setdefaultbool(this, value);
+}
+inline void FieldDef::set_default_float(float value) {
+ upb_fielddef_setdefaultfloat(this, value);
+}
+inline void FieldDef::set_default_double(double value) {
+ upb_fielddef_setdefaultdouble(this, value);
+}
+inline bool FieldDef::set_default_string(const void *str, size_t len,
+ Status *s) {
+ return upb_fielddef_setdefaultstr(this, str, len, s);
+}
+inline bool FieldDef::set_default_string(const std::string& str, Status* s) {
+ return upb_fielddef_setdefaultstr(this, str.c_str(), str.size(), s);
+}
+inline void FieldDef::set_default_cstr(const char* str, Status* s) {
+ return upb_fielddef_setdefaultcstr(this, str, s);
+}
+inline bool FieldDef::HasSubDef() const { return upb_fielddef_hassubdef(this); }
+inline const Def* FieldDef::subdef() const { return upb_fielddef_subdef(this); }
+inline const MessageDef *FieldDef::message_subdef() const {
+ return upb_fielddef_msgsubdef(this);
+}
+inline const EnumDef *FieldDef::enum_subdef() const {
+ return upb_fielddef_enumsubdef(this);
+}
+inline const char* FieldDef::subdef_name() const {
+ return upb_fielddef_subdefname(this);
+}
+inline bool FieldDef::set_subdef(const Def* subdef, Status* s) {
+ return upb_fielddef_setsubdef(this, subdef, s);
+}
+inline bool FieldDef::set_enum_subdef(const EnumDef* subdef, Status* s) {
+ return upb_fielddef_setenumsubdef(this, subdef, s);
+}
+inline bool FieldDef::set_message_subdef(const MessageDef* subdef, Status* s) {
+ return upb_fielddef_setmsgsubdef(this, subdef, s);
+}
+inline bool FieldDef::set_subdef_name(const char* name, Status* s) {
+ return upb_fielddef_setsubdefname(this, name, s);
+}
+inline bool FieldDef::set_subdef_name(const std::string& name, Status* s) {
+ return upb_fielddef_setsubdefname(this, upb_safecstr(name), s);
+}
+
+inline reffed_ptr<MessageDef> MessageDef::New() {
+ upb_msgdef *m = upb_msgdef_new(&m);
+ return reffed_ptr<MessageDef>(m, &m);
+}
+inline const char *MessageDef::full_name() const {
+ return upb_msgdef_fullname(this);
+}
+inline bool MessageDef::set_full_name(const char* fullname, Status* s) {
+ return upb_msgdef_setfullname(this, fullname, s);
+}
+inline bool MessageDef::set_full_name(const std::string& fullname, Status* s) {
+ return upb_msgdef_setfullname(this, upb_safecstr(fullname), s);
+}
+inline bool MessageDef::Freeze(Status* status) {
+ return upb_msgdef_freeze(this, status);
+}
+inline int MessageDef::field_count() const {
+ return upb_msgdef_numfields(this);
+}
+inline int MessageDef::oneof_count() const {
+ return upb_msgdef_numoneofs(this);
+}
+inline bool MessageDef::AddField(upb_fielddef* f, Status* s) {
+ return upb_msgdef_addfield(this, f, NULL, s);
+}
+inline bool MessageDef::AddField(const reffed_ptr<FieldDef>& f, Status* s) {
+ return upb_msgdef_addfield(this, f.get(), NULL, s);
+}
+inline bool MessageDef::AddOneof(upb_oneofdef* o, Status* s) {
+ return upb_msgdef_addoneof(this, o, NULL, s);
+}
+inline bool MessageDef::AddOneof(const reffed_ptr<OneofDef>& o, Status* s) {
+ return upb_msgdef_addoneof(this, o.get(), NULL, s);
+}
+inline FieldDef* MessageDef::FindFieldByNumber(uint32_t number) {
+ return upb_msgdef_itof_mutable(this, number);
+}
+inline FieldDef* MessageDef::FindFieldByName(const char* name, size_t len) {
+ return upb_msgdef_ntof_mutable(this, name, len);
+}
+inline const FieldDef* MessageDef::FindFieldByNumber(uint32_t number) const {
+ return upb_msgdef_itof(this, number);
+}
+inline const FieldDef *MessageDef::FindFieldByName(const char *name,
+ size_t len) const {
+ return upb_msgdef_ntof(this, name, len);
+}
+inline OneofDef* MessageDef::FindOneofByName(const char* name, size_t len) {
+ return upb_msgdef_ntoo_mutable(this, name, len);
+}
+inline const OneofDef* MessageDef::FindOneofByName(const char* name,
+ size_t len) const {
+ return upb_msgdef_ntoo(this, name, len);
+}
+inline MessageDef* MessageDef::Dup(const void *owner) const {
+ return upb_msgdef_dup(this, owner);
+}
+inline void MessageDef::setmapentry(bool map_entry) {
+ upb_msgdef_setmapentry(this, map_entry);
+}
+inline bool MessageDef::mapentry() const {
+ return upb_msgdef_mapentry(this);
+}
+inline MessageDef::field_iterator MessageDef::field_begin() {
+ return field_iterator(this);
+}
+inline MessageDef::field_iterator MessageDef::field_end() {
+ return field_iterator::end(this);
+}
+inline MessageDef::const_field_iterator MessageDef::field_begin() const {
+ return const_field_iterator(this);
+}
+inline MessageDef::const_field_iterator MessageDef::field_end() const {
+ return const_field_iterator::end(this);
+}
+
+inline MessageDef::oneof_iterator MessageDef::oneof_begin() {
+ return oneof_iterator(this);
+}
+inline MessageDef::oneof_iterator MessageDef::oneof_end() {
+ return oneof_iterator::end(this);
+}
+inline MessageDef::const_oneof_iterator MessageDef::oneof_begin() const {
+ return const_oneof_iterator(this);
+}
+inline MessageDef::const_oneof_iterator MessageDef::oneof_end() const {
+ return const_oneof_iterator::end(this);
+}
+
+inline MessageDef::field_iterator::field_iterator(MessageDef* md) {
+ upb_msg_field_begin(&iter_, md);
+}
+inline MessageDef::field_iterator MessageDef::field_iterator::end(
+ MessageDef* md) {
+ MessageDef::field_iterator iter(md);
+ upb_msg_field_iter_setdone(&iter.iter_);
+ return iter;
+}
+inline FieldDef* MessageDef::field_iterator::operator*() const {
+ return upb_msg_iter_field(&iter_);
+}
+inline void MessageDef::field_iterator::operator++() {
+ return upb_msg_field_next(&iter_);
+}
+inline bool MessageDef::field_iterator::operator==(
+ const field_iterator &other) const {
+ return upb_inttable_iter_isequal(&iter_, &other.iter_);
+}
+inline bool MessageDef::field_iterator::operator!=(
+ const field_iterator &other) const {
+ return !(*this == other);
+}
+
+inline MessageDef::const_field_iterator::const_field_iterator(
+ const MessageDef* md) {
+ upb_msg_field_begin(&iter_, md);
+}
+inline MessageDef::const_field_iterator MessageDef::const_field_iterator::end(
+ const MessageDef *md) {
+ MessageDef::const_field_iterator iter(md);
+ upb_msg_field_iter_setdone(&iter.iter_);
+ return iter;
+}
+inline const FieldDef* MessageDef::const_field_iterator::operator*() const {
+ return upb_msg_iter_field(&iter_);
+}
+inline void MessageDef::const_field_iterator::operator++() {
+ return upb_msg_field_next(&iter_);
+}
+inline bool MessageDef::const_field_iterator::operator==(
+ const const_field_iterator &other) const {
+ return upb_inttable_iter_isequal(&iter_, &other.iter_);
+}
+inline bool MessageDef::const_field_iterator::operator!=(
+ const const_field_iterator &other) const {
+ return !(*this == other);
+}
+
+inline MessageDef::oneof_iterator::oneof_iterator(MessageDef* md) {
+ upb_msg_oneof_begin(&iter_, md);
+}
+inline MessageDef::oneof_iterator MessageDef::oneof_iterator::end(
+ MessageDef* md) {
+ MessageDef::oneof_iterator iter(md);
+ upb_msg_oneof_iter_setdone(&iter.iter_);
+ return iter;
+}
+inline OneofDef* MessageDef::oneof_iterator::operator*() const {
+ return upb_msg_iter_oneof(&iter_);
+}
+inline void MessageDef::oneof_iterator::operator++() {
+ return upb_msg_oneof_next(&iter_);
+}
+inline bool MessageDef::oneof_iterator::operator==(
+ const oneof_iterator &other) const {
+ return upb_strtable_iter_isequal(&iter_, &other.iter_);
+}
+inline bool MessageDef::oneof_iterator::operator!=(
+ const oneof_iterator &other) const {
+ return !(*this == other);
+}
+
+inline MessageDef::const_oneof_iterator::const_oneof_iterator(
+ const MessageDef* md) {
+ upb_msg_oneof_begin(&iter_, md);
+}
+inline MessageDef::const_oneof_iterator MessageDef::const_oneof_iterator::end(
+ const MessageDef *md) {
+ MessageDef::const_oneof_iterator iter(md);
+ upb_msg_oneof_iter_setdone(&iter.iter_);
+ return iter;
+}
+inline const OneofDef* MessageDef::const_oneof_iterator::operator*() const {
+ return upb_msg_iter_oneof(&iter_);
+}
+inline void MessageDef::const_oneof_iterator::operator++() {
+ return upb_msg_oneof_next(&iter_);
+}
+inline bool MessageDef::const_oneof_iterator::operator==(
+ const const_oneof_iterator &other) const {
+ return upb_strtable_iter_isequal(&iter_, &other.iter_);
+}
+inline bool MessageDef::const_oneof_iterator::operator!=(
+ const const_oneof_iterator &other) const {
+ return !(*this == other);
+}
+
+inline reffed_ptr<EnumDef> EnumDef::New() {
+ upb_enumdef *e = upb_enumdef_new(&e);
+ return reffed_ptr<EnumDef>(e, &e);
+}
+inline const char* EnumDef::full_name() const {
+ return upb_enumdef_fullname(this);
+}
+inline bool EnumDef::set_full_name(const char* fullname, Status* s) {
+ return upb_enumdef_setfullname(this, fullname, s);
+}
+inline bool EnumDef::set_full_name(const std::string& fullname, Status* s) {
+ return upb_enumdef_setfullname(this, upb_safecstr(fullname), s);
+}
+inline bool EnumDef::Freeze(Status* status) {
+ return upb_enumdef_freeze(this, status);
+}
+inline int32_t EnumDef::default_value() const {
+ return upb_enumdef_default(this);
+}
+inline bool EnumDef::set_default_value(int32_t val, Status* status) {
+ return upb_enumdef_setdefault(this, val, status);
+}
+inline int EnumDef::value_count() const { return upb_enumdef_numvals(this); }
+inline bool EnumDef::AddValue(const char* name, int32_t num, Status* status) {
+ return upb_enumdef_addval(this, name, num, status);
+}
+inline bool EnumDef::AddValue(const std::string& name, int32_t num,
+ Status* status) {
+ return upb_enumdef_addval(this, upb_safecstr(name), num, status);
+}
+inline bool EnumDef::FindValueByName(const char* name, int32_t *num) const {
+ return upb_enumdef_ntoiz(this, name, num);
+}
+inline const char* EnumDef::FindValueByNumber(int32_t num) const {
+ return upb_enumdef_iton(this, num);
+}
+inline EnumDef* EnumDef::Dup(const void* owner) const {
+ return upb_enumdef_dup(this, owner);
+}
+
+inline EnumDef::Iterator::Iterator(const EnumDef* e) {
+ upb_enum_begin(&iter_, e);
+}
+inline int32_t EnumDef::Iterator::number() {
+ return upb_enum_iter_number(&iter_);
+}
+inline const char* EnumDef::Iterator::name() {
+ return upb_enum_iter_name(&iter_);
+}
+inline bool EnumDef::Iterator::Done() { return upb_enum_done(&iter_); }
+inline void EnumDef::Iterator::Next() { return upb_enum_next(&iter_); }
+
+inline reffed_ptr<OneofDef> OneofDef::New() {
+ upb_oneofdef *o = upb_oneofdef_new(&o);
+ return reffed_ptr<OneofDef>(o, &o);
+}
+inline const char* OneofDef::full_name() const {
+ return upb_oneofdef_name(this);
+}
+
+inline const MessageDef* OneofDef::containing_type() const {
+ return upb_oneofdef_containingtype(this);
+}
+inline const char* OneofDef::name() const {
+ return upb_oneofdef_name(this);
+}
+inline bool OneofDef::set_name(const char* name, Status* s) {
+ return upb_oneofdef_setname(this, name, s);
+}
+inline int OneofDef::field_count() const {
+ return upb_oneofdef_numfields(this);
+}
+inline bool OneofDef::AddField(FieldDef* field, Status* s) {
+ return upb_oneofdef_addfield(this, field, NULL, s);
+}
+inline bool OneofDef::AddField(const reffed_ptr<FieldDef>& field, Status* s) {
+ return upb_oneofdef_addfield(this, field.get(), NULL, s);
+}
+inline const FieldDef* OneofDef::FindFieldByName(const char* name,
+ size_t len) const {
+ return upb_oneofdef_ntof(this, name, len);
+}
+inline const FieldDef* OneofDef::FindFieldByNumber(uint32_t num) const {
+ return upb_oneofdef_itof(this, num);
+}
+inline OneofDef::iterator OneofDef::begin() { return iterator(this); }
+inline OneofDef::iterator OneofDef::end() { return iterator::end(this); }
+inline OneofDef::const_iterator OneofDef::begin() const {
+ return const_iterator(this);
+}
+inline OneofDef::const_iterator OneofDef::end() const {
+ return const_iterator::end(this);
+}
+
+inline OneofDef::iterator::iterator(OneofDef* o) {
+ upb_oneof_begin(&iter_, o);
+}
+inline OneofDef::iterator OneofDef::iterator::end(OneofDef* o) {
+ OneofDef::iterator iter(o);
+ upb_oneof_iter_setdone(&iter.iter_);
+ return iter;
+}
+inline FieldDef* OneofDef::iterator::operator*() const {
+ return upb_oneof_iter_field(&iter_);
+}
+inline void OneofDef::iterator::operator++() { return upb_oneof_next(&iter_); }
+inline bool OneofDef::iterator::operator==(const iterator &other) const {
+ return upb_inttable_iter_isequal(&iter_, &other.iter_);
+}
+inline bool OneofDef::iterator::operator!=(const iterator &other) const {
+ return !(*this == other);
+}
+
+inline OneofDef::const_iterator::const_iterator(const OneofDef* md) {
+ upb_oneof_begin(&iter_, md);
+}
+inline OneofDef::const_iterator OneofDef::const_iterator::end(
+ const OneofDef *md) {
+ OneofDef::const_iterator iter(md);
+ upb_oneof_iter_setdone(&iter.iter_);
+ return iter;
+}
+inline const FieldDef* OneofDef::const_iterator::operator*() const {
+ return upb_msg_iter_field(&iter_);
+}
+inline void OneofDef::const_iterator::operator++() {
+ return upb_oneof_next(&iter_);
+}
+inline bool OneofDef::const_iterator::operator==(
+ const const_iterator &other) const {
+ return upb_inttable_iter_isequal(&iter_, &other.iter_);
+}
+inline bool OneofDef::const_iterator::operator!=(
+ const const_iterator &other) const {
+ return !(*this == other);
+}
+
+} /* namespace upb */
+#endif
+
+#endif /* UPB_DEF_H_ */
+/*
+** This file contains definitions of structs that should be considered private
+** and NOT stable across versions of upb.
+**
+** The only reason they are declared here and not in .c files is to allow upb
+** and the application (if desired) to embed statically-initialized instances
+** of structures like defs.
+**
+** If you include this file, all guarantees of ABI compatibility go out the
+** window! Any code that includes this file needs to recompile against the
+** exact same version of upb that they are linking against.
+**
+** You also need to recompile if you change the value of the UPB_DEBUG_REFS
+** flag.
+*/
+
+
+#ifndef UPB_STATICINIT_H_
+#define UPB_STATICINIT_H_
+
+#ifdef __cplusplus
+/* Because of how we do our typedefs, this header can't be included from C++. */
+#error This file cannot be included from C++
+#endif
+
+/* upb_refcounted *************************************************************/
+
+
+/* upb_def ********************************************************************/
+
+struct upb_def {
+ upb_refcounted base;
+
+ const char *fullname;
+ char type; /* A upb_deftype_t (char to save space) */
+
+ /* Used as a flag during the def's mutable stage. Must be false unless
+ * it is currently being used by a function on the stack. This allows
+ * us to easily determine which defs were passed into the function's
+ * current invocation. */
+ bool came_from_user;
+};
+
+#define UPB_DEF_INIT(name, type, refs, ref2s) \
+ { UPB_REFCOUNT_INIT(refs, ref2s), name, type, false }
+
+
+/* upb_fielddef ***************************************************************/
+
+struct upb_fielddef {
+ upb_def base;
+
+ union {
+ int64_t sint;
+ uint64_t uint;
+ double dbl;
+ float flt;
+ void *bytes;
+ } defaultval;
+ union {
+ const upb_msgdef *def; /* If !msg_is_symbolic. */
+ char *name; /* If msg_is_symbolic. */
+ } msg;
+ union {
+ const upb_def *def; /* If !subdef_is_symbolic. */
+ char *name; /* If subdef_is_symbolic. */
+ } sub; /* The msgdef or enumdef for this field, if upb_hassubdef(f). */
+ bool subdef_is_symbolic;
+ bool msg_is_symbolic;
+ const upb_oneofdef *oneof;
+ bool default_is_string;
+ bool type_is_set_; /* False until type is explicitly set. */
+ bool is_extension_;
+ bool lazy_;
+ bool packed_;
+ upb_intfmt_t intfmt;
+ bool tagdelim;
+ upb_fieldtype_t type_;
+ upb_label_t label_;
+ uint32_t number_;
+ uint32_t selector_base; /* Used to index into a upb::Handlers table. */
+ uint32_t index_;
+};
+
+#define UPB_FIELDDEF_INIT(label, type, intfmt, tagdelim, is_extension, lazy, \
+ packed, name, num, msgdef, subdef, selector_base, \
+ index, defaultval, refs, ref2s) \
+ { \
+ UPB_DEF_INIT(name, UPB_DEF_FIELD, refs, ref2s), defaultval, {msgdef}, \
+ {subdef}, NULL, false, false, \
+ type == UPB_TYPE_STRING || type == UPB_TYPE_BYTES, true, is_extension, \
+ lazy, packed, intfmt, tagdelim, type, label, num, selector_base, index \
+ }
+
+
+/* upb_msgdef *****************************************************************/
+
+struct upb_msgdef {
+ upb_def base;
+
+ size_t selector_count;
+ uint32_t submsg_field_count;
+
+ /* Tables for looking up fields by number and name. */
+ upb_inttable itof; /* int to field */
+ upb_strtable ntof; /* name to field */
+
+ /* Tables for looking up oneofs by name. */
+ upb_strtable ntoo; /* name to oneof */
+
+ /* Is this a map-entry message?
+ * TODO: set this flag properly for static descriptors; regenerate
+ * descriptor.upb.c. */
+ bool map_entry;
+
+ /* TODO(haberman): proper extension ranges (there can be multiple). */
+};
+
+/* TODO: also support static initialization of the oneofs table. This will be
+ * needed if we compile in descriptors that contain oneofs. */
+#define UPB_MSGDEF_INIT(name, selector_count, submsg_field_count, itof, ntof, \
+ refs, ref2s) \
+ { \
+ UPB_DEF_INIT(name, UPB_DEF_MSG, refs, ref2s), selector_count, \
+ submsg_field_count, itof, ntof, \
+ UPB_EMPTY_STRTABLE_INIT(UPB_CTYPE_PTR), false \
+ }
+
+
+/* upb_enumdef ****************************************************************/
+
+struct upb_enumdef {
+ upb_def base;
+
+ upb_strtable ntoi;
+ upb_inttable iton;
+ int32_t defaultval;
+};
+
+#define UPB_ENUMDEF_INIT(name, ntoi, iton, defaultval, refs, ref2s) \
+ { UPB_DEF_INIT(name, UPB_DEF_ENUM, refs, ref2s), ntoi, iton, defaultval }
+
+
+/* upb_oneofdef ***************************************************************/
+
+struct upb_oneofdef {
+ upb_def base;
+
+ upb_strtable ntof;
+ upb_inttable itof;
+ const upb_msgdef *parent;
+};
+
+#define UPB_ONEOFDEF_INIT(name, ntof, itof, refs, ref2s) \
+ { UPB_DEF_INIT(name, UPB_DEF_ENUM, refs, ref2s), ntof, itof }
+
+
+/* upb_symtab *****************************************************************/
+
+struct upb_symtab {
+ upb_refcounted base;
+
+ upb_strtable symtab;
+};
+
+#define UPB_SYMTAB_INIT(symtab, refs, ref2s) \
+ { UPB_REFCOUNT_INIT(refs, ref2s), symtab }
+
+
+#endif /* UPB_STATICINIT_H_ */
+/*
+** upb::Handlers (upb_handlers)
+**
+** A upb_handlers is like a virtual table for a upb_msgdef. Each field of the
+** message can have associated functions that will be called when we are
+** parsing or visiting a stream of data. This is similar to how handlers work
+** in SAX (the Simple API for XML).
+**
+** The handlers have no idea where the data is coming from, so a single set of
+** handlers could be used with two completely different data sources (for
+** example, a parser and a visitor over in-memory objects). This decoupling is
+** the most important feature of upb, because it allows parsers and serializers
+** to be highly reusable.
+**
+** This is a mixed C/C++ interface that offers a full API to both languages.
+** See the top-level README for more information.
+*/
+
+#ifndef UPB_HANDLERS_H
+#define UPB_HANDLERS_H
+
+
+#ifdef __cplusplus
+namespace upb {
+class BufferHandle;
+class BytesHandler;
+class HandlerAttributes;
+class Handlers;
+template <class T> class Handler;
+template <class T> struct CanonicalType;
+} /* namespace upb */
+#endif
+
+UPB_DECLARE_TYPE(upb::BufferHandle, upb_bufhandle)
+UPB_DECLARE_TYPE(upb::BytesHandler, upb_byteshandler)
+UPB_DECLARE_TYPE(upb::HandlerAttributes, upb_handlerattr)
+UPB_DECLARE_DERIVED_TYPE(upb::Handlers, upb::RefCounted,
+ upb_handlers, upb_refcounted)
+
+/* The maximum depth that the handler graph can have. This is a resource limit
+ * for the C stack since we sometimes need to recursively traverse the graph.
+ * Cycles are ok; the traversal will stop when it detects a cycle, but we must
+ * hit the cycle before the maximum depth is reached.
+ *
+ * If having a single static limit is too inflexible, we can add another variant
+ * of Handlers::Freeze that allows specifying this as a parameter. */
+#define UPB_MAX_HANDLER_DEPTH 64
+
+/* All the different types of handlers that can be registered.
+ * Only needed for the advanced functions in upb::Handlers. */
+typedef enum {
+ UPB_HANDLER_INT32,
+ UPB_HANDLER_INT64,
+ UPB_HANDLER_UINT32,
+ UPB_HANDLER_UINT64,
+ UPB_HANDLER_FLOAT,
+ UPB_HANDLER_DOUBLE,
+ UPB_HANDLER_BOOL,
+ UPB_HANDLER_STARTSTR,
+ UPB_HANDLER_STRING,
+ UPB_HANDLER_ENDSTR,
+ UPB_HANDLER_STARTSUBMSG,
+ UPB_HANDLER_ENDSUBMSG,
+ UPB_HANDLER_STARTSEQ,
+ UPB_HANDLER_ENDSEQ
+} upb_handlertype_t;
+
+#define UPB_HANDLER_MAX (UPB_HANDLER_ENDSEQ+1)
+
+#define UPB_BREAK NULL
+
+/* A convenient definition for when no closure is needed. */
+extern char _upb_noclosure;
+#define UPB_NO_CLOSURE &_upb_noclosure
+
+/* A selector refers to a specific field handler in the Handlers object
+ * (for example: the STARTSUBMSG handler for field "field15"). */
+typedef int32_t upb_selector_t;
+
+UPB_BEGIN_EXTERN_C
+
+/* Forward-declares for C inline accessors. We need to declare these here
+ * so we can "friend" them in the class declarations in C++. */
+UPB_INLINE upb_func *upb_handlers_gethandler(const upb_handlers *h,
+ upb_selector_t s);
+UPB_INLINE const void *upb_handlerattr_handlerdata(const upb_handlerattr *attr);
+UPB_INLINE const void *upb_handlers_gethandlerdata(const upb_handlers *h,
+ upb_selector_t s);
+
+UPB_INLINE void upb_bufhandle_init(upb_bufhandle *h);
+UPB_INLINE void upb_bufhandle_setobj(upb_bufhandle *h, const void *obj,
+ const void *type);
+UPB_INLINE void upb_bufhandle_setbuf(upb_bufhandle *h, const char *buf,
+ size_t ofs);
+UPB_INLINE const void *upb_bufhandle_obj(const upb_bufhandle *h);
+UPB_INLINE const void *upb_bufhandle_objtype(const upb_bufhandle *h);
+UPB_INLINE const char *upb_bufhandle_buf(const upb_bufhandle *h);
+
+UPB_END_EXTERN_C
+
+
+/* Static selectors for upb::Handlers. */
+#define UPB_STARTMSG_SELECTOR 0
+#define UPB_ENDMSG_SELECTOR 1
+#define UPB_STATIC_SELECTOR_COUNT 2
+
+/* Static selectors for upb::BytesHandler. */
+#define UPB_STARTSTR_SELECTOR 0
+#define UPB_STRING_SELECTOR 1
+#define UPB_ENDSTR_SELECTOR 2
+
+typedef void upb_handlerfree(void *d);
+
+#ifdef __cplusplus
+
+/* A set of attributes that accompanies a handler's function pointer. */
+class upb::HandlerAttributes {
+ public:
+ HandlerAttributes();
+ ~HandlerAttributes();
+
+ /* Sets the handler data that will be passed as the second parameter of the
+ * handler. To free this pointer when the handlers are freed, call
+ * Handlers::AddCleanup(). */
+ bool SetHandlerData(const void *handler_data);
+ const void* handler_data() const;
+
+ /* Use this to specify the type of the closure. This will be checked against
+ * all other closure types for handler that use the same closure.
+ * Registration will fail if this does not match all other non-NULL closure
+ * types. */
+ bool SetClosureType(const void *closure_type);
+ const void* closure_type() const;
+
+ /* Use this to specify the type of the returned closure. Only used for
+ * Start*{String,SubMessage,Sequence} handlers. This must match the closure
+ * type of any handlers that use it (for example, the StringBuf handler must
+ * match the closure returned from StartString). */
+ bool SetReturnClosureType(const void *return_closure_type);
+ const void* return_closure_type() const;
+
+ /* Set to indicate that the handler always returns "ok" (either "true" or a
+ * non-NULL closure). This is a hint that can allow code generators to
+ * generate more efficient code. */
+ bool SetAlwaysOk(bool always_ok);
+ bool always_ok() const;
+
+ private:
+ friend UPB_INLINE const void * ::upb_handlerattr_handlerdata(
+ const upb_handlerattr *attr);
+#else
+struct upb_handlerattr {
+#endif
+ const void *handler_data_;
+ const void *closure_type_;
+ const void *return_closure_type_;
+ bool alwaysok_;
+};
+
+#define UPB_HANDLERATTR_INITIALIZER {NULL, NULL, NULL, false}
+
+typedef struct {
+ upb_func *func;
+
+ /* It is wasteful to include the entire attributes here:
+ *
+ * * Some of the information is redundant (like storing the closure type
+ * separately for each handler that must match).
+ * * Some of the info is only needed prior to freeze() (like closure types).
+ * * alignment padding wastes a lot of space for alwaysok_.
+ *
+ * If/when the size and locality of handlers is an issue, we can optimize this
+ * not to store the entire attr like this. We do not expose the table's
+ * layout to allow this optimization in the future. */
+ upb_handlerattr attr;
+} upb_handlers_tabent;
+
+#ifdef __cplusplus
+
+/* Extra information about a buffer that is passed to a StringBuf handler.
+ * TODO(haberman): allow the handle to be pinned so that it will outlive
+ * the handler invocation. */
+class upb::BufferHandle {
+ public:
+ BufferHandle();
+ ~BufferHandle();
+
+ /* The beginning of the buffer. This may be different than the pointer
+ * passed to a StringBuf handler because the handler may receive data
+ * that is from the middle or end of a larger buffer. */
+ const char* buffer() const;
+
+ /* The offset within the attached object where this buffer begins. Only
+ * meaningful if there is an attached object. */
+ size_t object_offset() const;
+
+ /* Note that object_offset is the offset of "buf" within the attached
+ * object. */
+ void SetBuffer(const char* buf, size_t object_offset);
+
+ /* The BufferHandle can have an "attached object", which can be used to
+ * tunnel through a pointer to the buffer's underlying representation. */
+ template <class T>
+ void SetAttachedObject(const T* obj);
+
+ /* Returns NULL if the attached object is not of this type. */
+ template <class T>
+ const T* GetAttachedObject() const;
+
+ private:
+ friend UPB_INLINE void ::upb_bufhandle_init(upb_bufhandle *h);
+ friend UPB_INLINE void ::upb_bufhandle_setobj(upb_bufhandle *h,
+ const void *obj,
+ const void *type);
+ friend UPB_INLINE void ::upb_bufhandle_setbuf(upb_bufhandle *h,
+ const char *buf, size_t ofs);
+ friend UPB_INLINE const void* ::upb_bufhandle_obj(const upb_bufhandle *h);
+ friend UPB_INLINE const void* ::upb_bufhandle_objtype(
+ const upb_bufhandle *h);
+ friend UPB_INLINE const char* ::upb_bufhandle_buf(const upb_bufhandle *h);
+#else
+struct upb_bufhandle {
+#endif
+ const char *buf_;
+ const void *obj_;
+ const void *objtype_;
+ size_t objofs_;
+};
+
+#ifdef __cplusplus
+
+/* A upb::Handlers object represents the set of handlers associated with a
+ * message in the graph of messages. You can think of it as a big virtual
+ * table with functions corresponding to all the events that can fire while
+ * parsing or visiting a message of a specific type.
+ *
+ * Any handlers that are not set behave as if they had successfully consumed
+ * the value. Any unset Start* handlers will propagate their closure to the
+ * inner frame.
+ *
+ * The easiest way to create the *Handler objects needed by the Set* methods is
+ * with the UpbBind() and UpbMakeHandler() macros; see below. */
+class upb::Handlers {
+ public:
+ typedef upb_selector_t Selector;
+ typedef upb_handlertype_t Type;
+
+ typedef Handler<void *(*)(void *, const void *)> StartFieldHandler;
+ typedef Handler<bool (*)(void *, const void *)> EndFieldHandler;
+ typedef Handler<bool (*)(void *, const void *)> StartMessageHandler;
+ typedef Handler<bool (*)(void *, const void *, Status*)> EndMessageHandler;
+ typedef Handler<void *(*)(void *, const void *, size_t)> StartStringHandler;
+ typedef Handler<size_t (*)(void *, const void *, const char *, size_t,
+ const BufferHandle *)> StringHandler;
+
+ template <class T> struct ValueHandler {
+ typedef Handler<bool(*)(void *, const void *, T)> H;
+ };
+
+ typedef ValueHandler<int32_t>::H Int32Handler;
+ typedef ValueHandler<int64_t>::H Int64Handler;
+ typedef ValueHandler<uint32_t>::H UInt32Handler;
+ typedef ValueHandler<uint64_t>::H UInt64Handler;
+ typedef ValueHandler<float>::H FloatHandler;
+ typedef ValueHandler<double>::H DoubleHandler;
+ typedef ValueHandler<bool>::H BoolHandler;
+
+ /* Any function pointer can be converted to this and converted back to its
+ * correct type. */
+ typedef void GenericFunction();
+
+ typedef void HandlersCallback(const void *closure, upb_handlers *h);
+
+ /* Returns a new handlers object for the given frozen msgdef.
+ * Returns NULL if memory allocation failed. */
+ static reffed_ptr<Handlers> New(const MessageDef *m);
+
+ /* Convenience function for registering a graph of handlers that mirrors the
+ * graph of msgdefs for some message. For "m" and all its children a new set
+ * of handlers will be created and the given callback will be invoked,
+ * allowing the client to register handlers for this message. Note that any
+ * subhandlers set by the callback will be overwritten. */
+ static reffed_ptr<const Handlers> NewFrozen(const MessageDef *m,
+ HandlersCallback *callback,
+ const void *closure);
+
+ /* Functionality from upb::RefCounted. */
+ UPB_REFCOUNTED_CPPMETHODS
+
+ /* All handler registration functions return bool to indicate success or
+ * failure; details about failures are stored in this status object. If a
+ * failure does occur, it must be cleared before the Handlers are frozen,
+ * otherwise the freeze() operation will fail. The functions may *only* be
+ * used while the Handlers are mutable. */
+ const Status* status();
+ void ClearError();
+
+ /* Call to freeze these Handlers. Requires that any SubHandlers are already
+ * frozen. For cycles, you must use the static version below and freeze the
+ * whole graph at once. */
+ bool Freeze(Status* s);
+
+ /* Freezes the given set of handlers. You may not freeze a handler without
+ * also freezing any handlers they point to. */
+ static bool Freeze(Handlers*const* handlers, int n, Status* s);
+ static bool Freeze(const std::vector<Handlers*>& handlers, Status* s);
+
+ /* Returns the msgdef associated with this handlers object. */
+ const MessageDef* message_def() const;
+
+ /* Adds the given pointer and function to the list of cleanup functions that
+ * will be run when these handlers are freed. If this pointer has previously
+ * been registered, the function returns false and does nothing. */
+ bool AddCleanup(void *ptr, upb_handlerfree *cleanup);
+
+ /* Sets the startmsg handler for the message, which is defined as follows:
+ *
+ * bool startmsg(MyType* closure) {
+ * // Called when the message begins. Returns true if processing should
+ * // continue.
+ * return true;
+ * }
+ */
+ bool SetStartMessageHandler(const StartMessageHandler& handler);
+
+ /* Sets the endmsg handler for the message, which is defined as follows:
+ *
+ * bool endmsg(MyType* closure, upb_status *status) {
+ * // Called when processing of this message ends, whether in success or
+ * // failure. "status" indicates the final status of processing, and
+ * // can also be modified in-place to update the final status.
+ * }
+ */
+ bool SetEndMessageHandler(const EndMessageHandler& handler);
+
+ /* Sets the value handler for the given field, which is defined as follows
+ * (this is for an int32 field; other field types will pass their native
+ * C/C++ type for "val"):
+ *
+ * bool OnValue(MyClosure* c, const MyHandlerData* d, int32_t val) {
+ * // Called when the field's value is encountered. "d" contains
+ * // whatever data was bound to this field when it was registered.
+ * // Returns true if processing should continue.
+ * return true;
+ * }
+ *
+ * handers->SetInt32Handler(f, UpbBind(OnValue, new MyHandlerData(...)));
+ *
+ * The value type must exactly match f->type().
+ * For example, a handler that takes an int32_t parameter may only be used for
+ * fields of type UPB_TYPE_INT32 and UPB_TYPE_ENUM.
+ *
+ * Returns false if the handler failed to register; in this case the cleanup
+ * handler (if any) will be called immediately.
+ */
+ bool SetInt32Handler (const FieldDef* f, const Int32Handler& h);
+ bool SetInt64Handler (const FieldDef* f, const Int64Handler& h);
+ bool SetUInt32Handler(const FieldDef* f, const UInt32Handler& h);
+ bool SetUInt64Handler(const FieldDef* f, const UInt64Handler& h);
+ bool SetFloatHandler (const FieldDef* f, const FloatHandler& h);
+ bool SetDoubleHandler(const FieldDef* f, const DoubleHandler& h);
+ bool SetBoolHandler (const FieldDef* f, const BoolHandler& h);
+
+ /* Like the previous, but templated on the type on the value (ie. int32).
+ * This is mostly useful to call from other templates. To call this you must
+ * specify the template parameter explicitly, ie:
+ * h->SetValueHandler<T>(f, UpbBind(MyHandler<T>, MyData)); */
+ template <class T>
+ bool SetValueHandler(
+ const FieldDef *f,
+ const typename ValueHandler<typename CanonicalType<T>::Type>::H& handler);
+
+ /* Sets handlers for a string field, which are defined as follows:
+ *
+ * MySubClosure* startstr(MyClosure* c, const MyHandlerData* d,
+ * size_t size_hint) {
+ * // Called when a string value begins. The return value indicates the
+ * // closure for the string. "size_hint" indicates the size of the
+ * // string if it is known, however if the string is length-delimited
+ * // and the end-of-string is not available size_hint will be zero.
+ * // This case is indistinguishable from the case where the size is
+ * // known to be zero.
+ * //
+ * // TODO(haberman): is it important to distinguish these cases?
+ * // If we had ssize_t as a type we could make -1 "unknown", but
+ * // ssize_t is POSIX (not ANSI) and therefore less portable.
+ * // In practice I suspect it won't be important to distinguish.
+ * return closure;
+ * }
+ *
+ * size_t str(MyClosure* closure, const MyHandlerData* d,
+ * const char *str, size_t len) {
+ * // Called for each buffer of string data; the multiple physical buffers
+ * // are all part of the same logical string. The return value indicates
+ * // how many bytes were consumed. If this number is less than "len",
+ * // this will also indicate that processing should be halted for now,
+ * // like returning false or UPB_BREAK from any other callback. If
+ * // number is greater than "len", the excess bytes will be skipped over
+ * // and not passed to the callback.
+ * return len;
+ * }
+ *
+ * bool endstr(MyClosure* c, const MyHandlerData* d) {
+ * // Called when a string value ends. Return value indicates whether
+ * // processing should continue.
+ * return true;
+ * }
+ */
+ bool SetStartStringHandler(const FieldDef* f, const StartStringHandler& h);
+ bool SetStringHandler(const FieldDef* f, const StringHandler& h);
+ bool SetEndStringHandler(const FieldDef* f, const EndFieldHandler& h);
+
+ /* Sets the startseq handler, which is defined as follows:
+ *
+ * MySubClosure *startseq(MyClosure* c, const MyHandlerData* d) {
+ * // Called when a sequence (repeated field) begins. The returned
+ * // pointer indicates the closure for the sequence (or UPB_BREAK
+ * // to interrupt processing).
+ * return closure;
+ * }
+ *
+ * h->SetStartSequenceHandler(f, UpbBind(startseq, new MyHandlerData(...)));
+ *
+ * Returns "false" if "f" does not belong to this message or is not a
+ * repeated field.
+ */
+ bool SetStartSequenceHandler(const FieldDef* f, const StartFieldHandler& h);
+
+ /* Sets the startsubmsg handler for the given field, which is defined as
+ * follows:
+ *
+ * MySubClosure* startsubmsg(MyClosure* c, const MyHandlerData* d) {
+ * // Called when a submessage begins. The returned pointer indicates the
+ * // closure for the sequence (or UPB_BREAK to interrupt processing).
+ * return closure;
+ * }
+ *
+ * h->SetStartSubMessageHandler(f, UpbBind(startsubmsg,
+ * new MyHandlerData(...)));
+ *
+ * Returns "false" if "f" does not belong to this message or is not a
+ * submessage/group field.
+ */
+ bool SetStartSubMessageHandler(const FieldDef* f, const StartFieldHandler& h);
+
+ /* Sets the endsubmsg handler for the given field, which is defined as
+ * follows:
+ *
+ * bool endsubmsg(MyClosure* c, const MyHandlerData* d) {
+ * // Called when a submessage ends. Returns true to continue processing.
+ * return true;
+ * }
+ *
+ * Returns "false" if "f" does not belong to this message or is not a
+ * submessage/group field.
+ */
+ bool SetEndSubMessageHandler(const FieldDef *f, const EndFieldHandler &h);
+
+ /* Starts the endsubseq handler for the given field, which is defined as
+ * follows:
+ *
+ * bool endseq(MyClosure* c, const MyHandlerData* d) {
+ * // Called when a sequence ends. Returns true continue processing.
+ * return true;
+ * }
+ *
+ * Returns "false" if "f" does not belong to this message or is not a
+ * repeated field.
+ */
+ bool SetEndSequenceHandler(const FieldDef* f, const EndFieldHandler& h);
+
+ /* Sets or gets the object that specifies handlers for the given field, which
+ * must be a submessage or group. Returns NULL if no handlers are set. */
+ bool SetSubHandlers(const FieldDef* f, const Handlers* sub);
+ const Handlers* GetSubHandlers(const FieldDef* f) const;
+
+ /* Equivalent to GetSubHandlers, but takes the STARTSUBMSG selector for the
+ * field. */
+ const Handlers* GetSubHandlers(Selector startsubmsg) const;
+
+ /* A selector refers to a specific field handler in the Handlers object
+ * (for example: the STARTSUBMSG handler for field "field15").
+ * On success, returns true and stores the selector in "s".
+ * If the FieldDef or Type are invalid, returns false.
+ * The returned selector is ONLY valid for Handlers whose MessageDef
+ * contains this FieldDef. */
+ static bool GetSelector(const FieldDef* f, Type type, Selector* s);
+
+ /* Given a START selector of any kind, returns the corresponding END selector. */
+ static Selector GetEndSelector(Selector start_selector);
+
+ /* Returns the function pointer for this handler. It is the client's
+ * responsibility to cast to the correct function type before calling it. */
+ GenericFunction* GetHandler(Selector selector);
+
+ /* Sets the given attributes to the attributes for this selector. */
+ bool GetAttributes(Selector selector, HandlerAttributes* attr);
+
+ /* Returns the handler data that was registered with this handler. */
+ const void* GetHandlerData(Selector selector);
+
+ /* Could add any of the following functions as-needed, with some minor
+ * implementation changes:
+ *
+ * const FieldDef* GetFieldDef(Selector selector);
+ * static bool IsSequence(Selector selector); */
+
+ private:
+ UPB_DISALLOW_POD_OPS(Handlers, upb::Handlers)
+
+ friend UPB_INLINE GenericFunction *::upb_handlers_gethandler(
+ const upb_handlers *h, upb_selector_t s);
+ friend UPB_INLINE const void *::upb_handlers_gethandlerdata(
+ const upb_handlers *h, upb_selector_t s);
+#else
+struct upb_handlers {
+#endif
+ upb_refcounted base;
+
+ const upb_msgdef *msg;
+ const upb_handlers **sub;
+ const void *top_closure_type;
+ upb_inttable cleanup_;
+ upb_status status_; /* Used only when mutable. */
+ upb_handlers_tabent table[1]; /* Dynamically-sized field handler array. */
+};
+
+#ifdef __cplusplus
+
+namespace upb {
+
+/* Convenience macros for creating a Handler object that is wrapped with a
+ * type-safe wrapper function that converts the "void*" parameters/returns
+ * of the underlying C API into nice C++ function.
+ *
+ * Sample usage:
+ * void OnValue1(MyClosure* c, const MyHandlerData* d, int32_t val) {
+ * // do stuff ...
+ * }
+ *
+ * // Handler that doesn't need any data bound to it.
+ * void OnValue2(MyClosure* c, int32_t val) {
+ * // do stuff ...
+ * }
+ *
+ * // Handler that returns bool so it can return failure if necessary.
+ * bool OnValue3(MyClosure* c, int32_t val) {
+ * // do stuff ...
+ * return ok;
+ * }
+ *
+ * // Member function handler.
+ * class MyClosure {
+ * public:
+ * void OnValue(int32_t val) {
+ * // do stuff ...
+ * }
+ * };
+ *
+ * // Takes ownership of the MyHandlerData.
+ * handlers->SetInt32Handler(f1, UpbBind(OnValue1, new MyHandlerData(...)));
+ * handlers->SetInt32Handler(f2, UpbMakeHandler(OnValue2));
+ * handlers->SetInt32Handler(f1, UpbMakeHandler(OnValue3));
+ * handlers->SetInt32Handler(f2, UpbMakeHandler(&MyClosure::OnValue));
+ */
+
+#ifdef UPB_CXX11
+
+/* In C++11, the "template" disambiguator can appear even outside templates,
+ * so all calls can safely use this pair of macros. */
+
+#define UpbMakeHandler(f) upb::MatchFunc(f).template GetFunc<f>()
+
+/* We have to be careful to only evaluate "d" once. */
+#define UpbBind(f, d) upb::MatchFunc(f).template GetFunc<f>((d))
+
+#else
+
+/* Prior to C++11, the "template" disambiguator may only appear inside a
+ * template, so the regular macro must not use "template" */
+
+#define UpbMakeHandler(f) upb::MatchFunc(f).GetFunc<f>()
+
+#define UpbBind(f, d) upb::MatchFunc(f).GetFunc<f>((d))
+
+#endif /* UPB_CXX11 */
+
+/* This macro must be used in C++98 for calls from inside a template. But we
+ * define this variant in all cases; code that wants to be compatible with both
+ * C++98 and C++11 should always use this macro when calling from a template. */
+#define UpbMakeHandlerT(f) upb::MatchFunc(f).template GetFunc<f>()
+
+/* We have to be careful to only evaluate "d" once. */
+#define UpbBindT(f, d) upb::MatchFunc(f).template GetFunc<f>((d))
+
+/* Handler: a struct that contains the (handler, data, deleter) tuple that is
+ * used to register all handlers. Users can Make() these directly but it's
+ * more convenient to use the UpbMakeHandler/UpbBind macros above. */
+template <class T> class Handler {
+ public:
+ /* The underlying, handler function signature that upb uses internally. */
+ typedef T FuncPtr;
+
+ /* Intentionally implicit. */
+ template <class F> Handler(F func);
+ ~Handler();
+
+ private:
+ void AddCleanup(Handlers* h) const {
+ if (cleanup_func_) {
+ bool ok = h->AddCleanup(cleanup_data_, cleanup_func_);
+ UPB_ASSERT_VAR(ok, ok);
+ }
+ }
+
+ UPB_DISALLOW_COPY_AND_ASSIGN(Handler)
+ friend class Handlers;
+ FuncPtr handler_;
+ mutable HandlerAttributes attr_;
+ mutable bool registered_;
+ void *cleanup_data_;
+ upb_handlerfree *cleanup_func_;
+};
+
+} /* namespace upb */
+
+#endif /* __cplusplus */
+
+UPB_BEGIN_EXTERN_C
+
+/* Native C API. */
+
+/* Handler function typedefs. */
+typedef bool upb_startmsg_handlerfunc(void *c, const void*);
+typedef bool upb_endmsg_handlerfunc(void *c, const void *, upb_status *status);
+typedef void* upb_startfield_handlerfunc(void *c, const void *hd);
+typedef bool upb_endfield_handlerfunc(void *c, const void *hd);
+typedef bool upb_int32_handlerfunc(void *c, const void *hd, int32_t val);
+typedef bool upb_int64_handlerfunc(void *c, const void *hd, int64_t val);
+typedef bool upb_uint32_handlerfunc(void *c, const void *hd, uint32_t val);
+typedef bool upb_uint64_handlerfunc(void *c, const void *hd, uint64_t val);
+typedef bool upb_float_handlerfunc(void *c, const void *hd, float val);
+typedef bool upb_double_handlerfunc(void *c, const void *hd, double val);
+typedef bool upb_bool_handlerfunc(void *c, const void *hd, bool val);
+typedef void *upb_startstr_handlerfunc(void *c, const void *hd,
+ size_t size_hint);
+typedef size_t upb_string_handlerfunc(void *c, const void *hd, const char *buf,
+ size_t n, const upb_bufhandle* handle);
+
+/* upb_bufhandle */
+size_t upb_bufhandle_objofs(const upb_bufhandle *h);
+
+/* upb_handlerattr */
+void upb_handlerattr_init(upb_handlerattr *attr);
+void upb_handlerattr_uninit(upb_handlerattr *attr);
+
+bool upb_handlerattr_sethandlerdata(upb_handlerattr *attr, const void *hd);
+bool upb_handlerattr_setclosuretype(upb_handlerattr *attr, const void *type);
+const void *upb_handlerattr_closuretype(const upb_handlerattr *attr);
+bool upb_handlerattr_setreturnclosuretype(upb_handlerattr *attr,
+ const void *type);
+const void *upb_handlerattr_returnclosuretype(const upb_handlerattr *attr);
+bool upb_handlerattr_setalwaysok(upb_handlerattr *attr, bool alwaysok);
+bool upb_handlerattr_alwaysok(const upb_handlerattr *attr);
+
+UPB_INLINE const void *upb_handlerattr_handlerdata(
+ const upb_handlerattr *attr) {
+ return attr->handler_data_;
+}
+
+/* upb_handlers */
+typedef void upb_handlers_callback(const void *closure, upb_handlers *h);
+upb_handlers *upb_handlers_new(const upb_msgdef *m,
+ const void *owner);
+const upb_handlers *upb_handlers_newfrozen(const upb_msgdef *m,
+ const void *owner,
+ upb_handlers_callback *callback,
+ const void *closure);
+
+/* Include refcounted methods like upb_handlers_ref(). */
+UPB_REFCOUNTED_CMETHODS(upb_handlers, upb_handlers_upcast)
+
+const upb_status *upb_handlers_status(upb_handlers *h);
+void upb_handlers_clearerr(upb_handlers *h);
+const upb_msgdef *upb_handlers_msgdef(const upb_handlers *h);
+bool upb_handlers_addcleanup(upb_handlers *h, void *p, upb_handlerfree *hfree);
+
+bool upb_handlers_setstartmsg(upb_handlers *h, upb_startmsg_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setendmsg(upb_handlers *h, upb_endmsg_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setint32(upb_handlers *h, const upb_fielddef *f,
+ upb_int32_handlerfunc *func, upb_handlerattr *attr);
+bool upb_handlers_setint64(upb_handlers *h, const upb_fielddef *f,
+ upb_int64_handlerfunc *func, upb_handlerattr *attr);
+bool upb_handlers_setuint32(upb_handlers *h, const upb_fielddef *f,
+ upb_uint32_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setuint64(upb_handlers *h, const upb_fielddef *f,
+ upb_uint64_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setfloat(upb_handlers *h, const upb_fielddef *f,
+ upb_float_handlerfunc *func, upb_handlerattr *attr);
+bool upb_handlers_setdouble(upb_handlers *h, const upb_fielddef *f,
+ upb_double_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setbool(upb_handlers *h, const upb_fielddef *f,
+ upb_bool_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setstartstr(upb_handlers *h, const upb_fielddef *f,
+ upb_startstr_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setstring(upb_handlers *h, const upb_fielddef *f,
+ upb_string_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setendstr(upb_handlers *h, const upb_fielddef *f,
+ upb_endfield_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setstartseq(upb_handlers *h, const upb_fielddef *f,
+ upb_startfield_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setstartsubmsg(upb_handlers *h, const upb_fielddef *f,
+ upb_startfield_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setendsubmsg(upb_handlers *h, const upb_fielddef *f,
+ upb_endfield_handlerfunc *func,
+ upb_handlerattr *attr);
+bool upb_handlers_setendseq(upb_handlers *h, const upb_fielddef *f,
+ upb_endfield_handlerfunc *func,
+ upb_handlerattr *attr);
+
+bool upb_handlers_setsubhandlers(upb_handlers *h, const upb_fielddef *f,
+ const upb_handlers *sub);
+const upb_handlers *upb_handlers_getsubhandlers(const upb_handlers *h,
+ const upb_fielddef *f);
+const upb_handlers *upb_handlers_getsubhandlers_sel(const upb_handlers *h,
+ upb_selector_t sel);
+
+UPB_INLINE upb_func *upb_handlers_gethandler(const upb_handlers *h,
+ upb_selector_t s) {
+ return (upb_func *)h->table[s].func;
+}
+
+bool upb_handlers_getattr(const upb_handlers *h, upb_selector_t s,
+ upb_handlerattr *attr);
+
+UPB_INLINE const void *upb_handlers_gethandlerdata(const upb_handlers *h,
+ upb_selector_t s) {
+ return upb_handlerattr_handlerdata(&h->table[s].attr);
+}
+
+#ifdef __cplusplus
+
+/* Handler types for single fields.
+ * Right now we only have one for TYPE_BYTES but ones for other types
+ * should follow.
+ *
+ * These follow the same handlers protocol for fields of a message. */
+class upb::BytesHandler {
+ public:
+ BytesHandler();
+ ~BytesHandler();
+#else
+struct upb_byteshandler {
+#endif
+ upb_handlers_tabent table[3];
+};
+
+void upb_byteshandler_init(upb_byteshandler *h);
+
+/* Caller must ensure that "d" outlives the handlers.
+ * TODO(haberman): should this have a "freeze" operation? It's not necessary
+ * for memory management, but could be useful to force immutability and provide
+ * a convenient moment to verify that all registration succeeded. */
+bool upb_byteshandler_setstartstr(upb_byteshandler *h,
+ upb_startstr_handlerfunc *func, void *d);
+bool upb_byteshandler_setstring(upb_byteshandler *h,
+ upb_string_handlerfunc *func, void *d);
+bool upb_byteshandler_setendstr(upb_byteshandler *h,
+ upb_endfield_handlerfunc *func, void *d);
+
+/* "Static" methods */
+bool upb_handlers_freeze(upb_handlers *const *handlers, int n, upb_status *s);
+upb_handlertype_t upb_handlers_getprimitivehandlertype(const upb_fielddef *f);
+bool upb_handlers_getselector(const upb_fielddef *f, upb_handlertype_t type,
+ upb_selector_t *s);
+UPB_INLINE upb_selector_t upb_handlers_getendselector(upb_selector_t start) {
+ return start + 1;
+}
+
+/* Internal-only. */
+uint32_t upb_handlers_selectorbaseoffset(const upb_fielddef *f);
+uint32_t upb_handlers_selectorcount(const upb_fielddef *f);
+
+UPB_END_EXTERN_C
+
+/*
+** Inline definitions for handlers.h, which are particularly long and a bit
+** tricky.
+*/
+
+#ifndef UPB_HANDLERS_INL_H_
+#define UPB_HANDLERS_INL_H_
+
+#include <limits.h>
+
+/* C inline methods. */
+
+/* upb_bufhandle */
+UPB_INLINE void upb_bufhandle_init(upb_bufhandle *h) {
+ h->obj_ = NULL;
+ h->objtype_ = NULL;
+ h->buf_ = NULL;
+ h->objofs_ = 0;
+}
+UPB_INLINE void upb_bufhandle_uninit(upb_bufhandle *h) {
+ UPB_UNUSED(h);
+}
+UPB_INLINE void upb_bufhandle_setobj(upb_bufhandle *h, const void *obj,
+ const void *type) {
+ h->obj_ = obj;
+ h->objtype_ = type;
+}
+UPB_INLINE void upb_bufhandle_setbuf(upb_bufhandle *h, const char *buf,
+ size_t ofs) {
+ h->buf_ = buf;
+ h->objofs_ = ofs;
+}
+UPB_INLINE const void *upb_bufhandle_obj(const upb_bufhandle *h) {
+ return h->obj_;
+}
+UPB_INLINE const void *upb_bufhandle_objtype(const upb_bufhandle *h) {
+ return h->objtype_;
+}
+UPB_INLINE const char *upb_bufhandle_buf(const upb_bufhandle *h) {
+ return h->buf_;
+}
+
+
+#ifdef __cplusplus
+
+/* Type detection and typedefs for integer types.
+ * For platforms where there are multiple 32-bit or 64-bit types, we need to be
+ * able to enumerate them so we can properly create overloads for all variants.
+ *
+ * If any platform existed where there were three integer types with the same
+ * size, this would have to become more complicated. For example, short, int,
+ * and long could all be 32-bits. Even more diabolically, short, int, long,
+ * and long long could all be 64 bits and still be standard-compliant.
+ * However, few platforms are this strange, and it's unlikely that upb will be
+ * used on the strangest ones. */
+
+/* Can't count on stdint.h limits like INT32_MAX, because in C++ these are
+ * only defined when __STDC_LIMIT_MACROS are defined before the *first* include
+ * of stdint.h. We can't guarantee that someone else didn't include these first
+ * without defining __STDC_LIMIT_MACROS. */
+#define UPB_INT32_MAX 0x7fffffffLL
+#define UPB_INT32_MIN (-UPB_INT32_MAX - 1)
+#define UPB_INT64_MAX 0x7fffffffffffffffLL
+#define UPB_INT64_MIN (-UPB_INT64_MAX - 1)
+
+#if INT_MAX == UPB_INT32_MAX && INT_MIN == UPB_INT32_MIN
+#define UPB_INT_IS_32BITS 1
+#endif
+
+#if LONG_MAX == UPB_INT32_MAX && LONG_MIN == UPB_INT32_MIN
+#define UPB_LONG_IS_32BITS 1
+#endif
+
+#if LONG_MAX == UPB_INT64_MAX && LONG_MIN == UPB_INT64_MIN
+#define UPB_LONG_IS_64BITS 1
+#endif
+
+#if LLONG_MAX == UPB_INT64_MAX && LLONG_MIN == UPB_INT64_MIN
+#define UPB_LLONG_IS_64BITS 1
+#endif
+
+/* We use macros instead of typedefs so we can undefine them later and avoid
+ * leaking them outside this header file. */
+#if UPB_INT_IS_32BITS
+#define UPB_INT32_T int
+#define UPB_UINT32_T unsigned int
+
+#if UPB_LONG_IS_32BITS
+#define UPB_TWO_32BIT_TYPES 1
+#define UPB_INT32ALT_T long
+#define UPB_UINT32ALT_T unsigned long
+#endif /* UPB_LONG_IS_32BITS */
+
+#elif UPB_LONG_IS_32BITS /* && !UPB_INT_IS_32BITS */
+#define UPB_INT32_T long
+#define UPB_UINT32_T unsigned long
+#endif /* UPB_INT_IS_32BITS */
+
+
+#if UPB_LONG_IS_64BITS
+#define UPB_INT64_T long
+#define UPB_UINT64_T unsigned long
+
+#if UPB_LLONG_IS_64BITS
+#define UPB_TWO_64BIT_TYPES 1
+#define UPB_INT64ALT_T long long
+#define UPB_UINT64ALT_T unsigned long long
+#endif /* UPB_LLONG_IS_64BITS */
+
+#elif UPB_LLONG_IS_64BITS /* && !UPB_LONG_IS_64BITS */
+#define UPB_INT64_T long long
+#define UPB_UINT64_T unsigned long long
+#endif /* UPB_LONG_IS_64BITS */
+
+#undef UPB_INT32_MAX
+#undef UPB_INT32_MIN
+#undef UPB_INT64_MAX
+#undef UPB_INT64_MIN
+#undef UPB_INT_IS_32BITS
+#undef UPB_LONG_IS_32BITS
+#undef UPB_LONG_IS_64BITS
+#undef UPB_LLONG_IS_64BITS
+
+
+namespace upb {
+
+typedef void CleanupFunc(void *ptr);
+
+/* Template to remove "const" from "const T*" and just return "T*".
+ *
+ * We define a nonsense default because otherwise it will fail to instantiate as
+ * a function parameter type even in cases where we don't expect any caller to
+ * actually match the overload. */
+class CouldntRemoveConst {};
+template <class T> struct remove_constptr { typedef CouldntRemoveConst type; };
+template <class T> struct remove_constptr<const T *> { typedef T *type; };
+
+/* Template that we use below to remove a template specialization from
+ * consideration if it matches a specific type. */
+template <class T, class U> struct disable_if_same { typedef void Type; };
+template <class T> struct disable_if_same<T, T> {};
+
+template <class T> void DeletePointer(void *p) { delete static_cast<T>(p); }
+
+template <class T1, class T2>
+struct FirstUnlessVoidOrBool {
+ typedef T1 value;
+};
+
+template <class T2>
+struct FirstUnlessVoidOrBool<void, T2> {
+ typedef T2 value;
+};
+
+template <class T2>
+struct FirstUnlessVoidOrBool<bool, T2> {
+ typedef T2 value;
+};
+
+template<class T, class U>
+struct is_same {
+ static bool value;
+};
+
+template<class T>
+struct is_same<T, T> {
+ static bool value;
+};
+
+template<class T, class U>
+bool is_same<T, U>::value = false;
+
+template<class T>
+bool is_same<T, T>::value = true;
+
+/* FuncInfo *******************************************************************/
+
+/* Info about the user's original, pre-wrapped function. */
+template <class C, class R = void>
+struct FuncInfo {
+ /* The type of the closure that the function takes (its first param). */
+ typedef C Closure;
+
+ /* The return type. */
+ typedef R Return;
+};
+
+/* Func ***********************************************************************/
+
+/* Func1, Func2, Func3: Template classes representing a function and its
+ * signature.
+ *
+ * Since the function is a template parameter, calling the function can be
+ * inlined at compile-time and does not require a function pointer at runtime.
+ * These functions are not bound to a handler data so have no data or cleanup
+ * handler. */
+struct UnboundFunc {
+ CleanupFunc *GetCleanup() { return NULL; }
+ void *GetData() { return NULL; }
+};
+
+template <class R, class P1, R F(P1), class I>
+struct Func1 : public UnboundFunc {
+ typedef R Return;
+ typedef I FuncInfo;
+ static R Call(P1 p1) { return F(p1); }
+};
+
+template <class R, class P1, class P2, R F(P1, P2), class I>
+struct Func2 : public UnboundFunc {
+ typedef R Return;
+ typedef I FuncInfo;
+ static R Call(P1 p1, P2 p2) { return F(p1, p2); }
+};
+
+template <class R, class P1, class P2, class P3, R F(P1, P2, P3), class I>
+struct Func3 : public UnboundFunc {
+ typedef R Return;
+ typedef I FuncInfo;
+ static R Call(P1 p1, P2 p2, P3 p3) { return F(p1, p2, p3); }
+};
+
+template <class R, class P1, class P2, class P3, class P4, R F(P1, P2, P3, P4),
+ class I>
+struct Func4 : public UnboundFunc {
+ typedef R Return;
+ typedef I FuncInfo;
+ static R Call(P1 p1, P2 p2, P3 p3, P4 p4) { return F(p1, p2, p3, p4); }
+};
+
+template <class R, class P1, class P2, class P3, class P4, class P5,
+ R F(P1, P2, P3, P4, P5), class I>
+struct Func5 : public UnboundFunc {
+ typedef R Return;
+ typedef I FuncInfo;
+ static R Call(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5) {
+ return F(p1, p2, p3, p4, p5);
+ }
+};
+
+/* BoundFunc ******************************************************************/
+
+/* BoundFunc2, BoundFunc3: Like Func2/Func3 except also contains a value that
+ * shall be bound to the function's second parameter.
+ *
+ * Note that the second parameter is a const pointer, but our stored bound value
+ * is non-const so we can free it when the handlers are destroyed. */
+template <class T>
+struct BoundFunc {
+ typedef typename remove_constptr<T>::type MutableP2;
+ explicit BoundFunc(MutableP2 data_) : data(data_) {}
+ CleanupFunc *GetCleanup() { return &DeletePointer<MutableP2>; }
+ MutableP2 GetData() { return data; }
+ MutableP2 data;
+};
+
+template <class R, class P1, class P2, R F(P1, P2), class I>
+struct BoundFunc2 : public BoundFunc<P2> {
+ typedef BoundFunc<P2> Base;
+ typedef I FuncInfo;
+ explicit BoundFunc2(typename Base::MutableP2 arg) : Base(arg) {}
+};
+
+template <class R, class P1, class P2, class P3, R F(P1, P2, P3), class I>
+struct BoundFunc3 : public BoundFunc<P2> {
+ typedef BoundFunc<P2> Base;
+ typedef I FuncInfo;
+ explicit BoundFunc3(typename Base::MutableP2 arg) : Base(arg) {}
+};
+
+template <class R, class P1, class P2, class P3, class P4, R F(P1, P2, P3, P4),
+ class I>
+struct BoundFunc4 : public BoundFunc<P2> {
+ typedef BoundFunc<P2> Base;
+ typedef I FuncInfo;
+ explicit BoundFunc4(typename Base::MutableP2 arg) : Base(arg) {}
+};
+
+template <class R, class P1, class P2, class P3, class P4, class P5,
+ R F(P1, P2, P3, P4, P5), class I>
+struct BoundFunc5 : public BoundFunc<P2> {
+ typedef BoundFunc<P2> Base;
+ typedef I FuncInfo;
+ explicit BoundFunc5(typename Base::MutableP2 arg) : Base(arg) {}
+};
+
+/* FuncSig ********************************************************************/
+
+/* FuncSig1, FuncSig2, FuncSig3: template classes reflecting a function
+ * *signature*, but without a specific function attached.
+ *
+ * These classes contain member functions that can be invoked with a
+ * specific function to return a Func/BoundFunc class. */
+template <class R, class P1>
+struct FuncSig1 {
+ template <R F(P1)>
+ Func1<R, P1, F, FuncInfo<P1, R> > GetFunc() {
+ return Func1<R, P1, F, FuncInfo<P1, R> >();
+ }
+};
+
+template <class R, class P1, class P2>
+struct FuncSig2 {
+ template <R F(P1, P2)>
+ Func2<R, P1, P2, F, FuncInfo<P1, R> > GetFunc() {
+ return Func2<R, P1, P2, F, FuncInfo<P1, R> >();
+ }
+
+ template <R F(P1, P2)>
+ BoundFunc2<R, P1, P2, F, FuncInfo<P1, R> > GetFunc(
+ typename remove_constptr<P2>::type param2) {
+ return BoundFunc2<R, P1, P2, F, FuncInfo<P1, R> >(param2);
+ }
+};
+
+template <class R, class P1, class P2, class P3>
+struct FuncSig3 {
+ template <R F(P1, P2, P3)>
+ Func3<R, P1, P2, P3, F, FuncInfo<P1, R> > GetFunc() {
+ return Func3<R, P1, P2, P3, F, FuncInfo<P1, R> >();
+ }
+
+ template <R F(P1, P2, P3)>
+ BoundFunc3<R, P1, P2, P3, F, FuncInfo<P1, R> > GetFunc(
+ typename remove_constptr<P2>::type param2) {
+ return BoundFunc3<R, P1, P2, P3, F, FuncInfo<P1, R> >(param2);
+ }
+};
+
+template <class R, class P1, class P2, class P3, class P4>
+struct FuncSig4 {
+ template <R F(P1, P2, P3, P4)>
+ Func4<R, P1, P2, P3, P4, F, FuncInfo<P1, R> > GetFunc() {
+ return Func4<R, P1, P2, P3, P4, F, FuncInfo<P1, R> >();
+ }
+
+ template <R F(P1, P2, P3, P4)>
+ BoundFunc4<R, P1, P2, P3, P4, F, FuncInfo<P1, R> > GetFunc(
+ typename remove_constptr<P2>::type param2) {
+ return BoundFunc4<R, P1, P2, P3, P4, F, FuncInfo<P1, R> >(param2);
+ }
+};
+
+template <class R, class P1, class P2, class P3, class P4, class P5>
+struct FuncSig5 {
+ template <R F(P1, P2, P3, P4, P5)>
+ Func5<R, P1, P2, P3, P4, P5, F, FuncInfo<P1, R> > GetFunc() {
+ return Func5<R, P1, P2, P3, P4, P5, F, FuncInfo<P1, R> >();
+ }
+
+ template <R F(P1, P2, P3, P4, P5)>
+ BoundFunc5<R, P1, P2, P3, P4, P5, F, FuncInfo<P1, R> > GetFunc(
+ typename remove_constptr<P2>::type param2) {
+ return BoundFunc5<R, P1, P2, P3, P4, P5, F, FuncInfo<P1, R> >(param2);
+ }
+};
+
+/* Overloaded template function that can construct the appropriate FuncSig*
+ * class given a function pointer by deducing the template parameters. */
+template <class R, class P1>
+inline FuncSig1<R, P1> MatchFunc(R (*f)(P1)) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return FuncSig1<R, P1>();
+}
+
+template <class R, class P1, class P2>
+inline FuncSig2<R, P1, P2> MatchFunc(R (*f)(P1, P2)) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return FuncSig2<R, P1, P2>();
+}
+
+template <class R, class P1, class P2, class P3>
+inline FuncSig3<R, P1, P2, P3> MatchFunc(R (*f)(P1, P2, P3)) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return FuncSig3<R, P1, P2, P3>();
+}
+
+template <class R, class P1, class P2, class P3, class P4>
+inline FuncSig4<R, P1, P2, P3, P4> MatchFunc(R (*f)(P1, P2, P3, P4)) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return FuncSig4<R, P1, P2, P3, P4>();
+}
+
+template <class R, class P1, class P2, class P3, class P4, class P5>
+inline FuncSig5<R, P1, P2, P3, P4, P5> MatchFunc(R (*f)(P1, P2, P3, P4, P5)) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return FuncSig5<R, P1, P2, P3, P4, P5>();
+}
+
+/* MethodSig ******************************************************************/
+
+/* CallMethod*: a function template that calls a given method. */
+template <class R, class C, R (C::*F)()>
+R CallMethod0(C *obj) {
+ return ((*obj).*F)();
+}
+
+template <class R, class C, class P1, R (C::*F)(P1)>
+R CallMethod1(C *obj, P1 arg1) {
+ return ((*obj).*F)(arg1);
+}
+
+template <class R, class C, class P1, class P2, R (C::*F)(P1, P2)>
+R CallMethod2(C *obj, P1 arg1, P2 arg2) {
+ return ((*obj).*F)(arg1, arg2);
+}
+
+template <class R, class C, class P1, class P2, class P3, R (C::*F)(P1, P2, P3)>
+R CallMethod3(C *obj, P1 arg1, P2 arg2, P3 arg3) {
+ return ((*obj).*F)(arg1, arg2, arg3);
+}
+
+template <class R, class C, class P1, class P2, class P3, class P4,
+ R (C::*F)(P1, P2, P3, P4)>
+R CallMethod4(C *obj, P1 arg1, P2 arg2, P3 arg3, P4 arg4) {
+ return ((*obj).*F)(arg1, arg2, arg3, arg4);
+}
+
+/* MethodSig: like FuncSig, but for member functions.
+ *
+ * GetFunc() returns a normal FuncN object, so after calling GetFunc() no
+ * more logic is required to special-case methods. */
+template <class R, class C>
+struct MethodSig0 {
+ template <R (C::*F)()>
+ Func1<R, C *, CallMethod0<R, C, F>, FuncInfo<C *, R> > GetFunc() {
+ return Func1<R, C *, CallMethod0<R, C, F>, FuncInfo<C *, R> >();
+ }
+};
+
+template <class R, class C, class P1>
+struct MethodSig1 {
+ template <R (C::*F)(P1)>
+ Func2<R, C *, P1, CallMethod1<R, C, P1, F>, FuncInfo<C *, R> > GetFunc() {
+ return Func2<R, C *, P1, CallMethod1<R, C, P1, F>, FuncInfo<C *, R> >();
+ }
+
+ template <R (C::*F)(P1)>
+ BoundFunc2<R, C *, P1, CallMethod1<R, C, P1, F>, FuncInfo<C *, R> > GetFunc(
+ typename remove_constptr<P1>::type param1) {
+ return BoundFunc2<R, C *, P1, CallMethod1<R, C, P1, F>, FuncInfo<C *, R> >(
+ param1);
+ }
+};
+
+template <class R, class C, class P1, class P2>
+struct MethodSig2 {
+ template <R (C::*F)(P1, P2)>
+ Func3<R, C *, P1, P2, CallMethod2<R, C, P1, P2, F>, FuncInfo<C *, R> >
+ GetFunc() {
+ return Func3<R, C *, P1, P2, CallMethod2<R, C, P1, P2, F>,
+ FuncInfo<C *, R> >();
+ }
+
+ template <R (C::*F)(P1, P2)>
+ BoundFunc3<R, C *, P1, P2, CallMethod2<R, C, P1, P2, F>, FuncInfo<C *, R> >
+ GetFunc(typename remove_constptr<P1>::type param1) {
+ return BoundFunc3<R, C *, P1, P2, CallMethod2<R, C, P1, P2, F>,
+ FuncInfo<C *, R> >(param1);
+ }
+};
+
+template <class R, class C, class P1, class P2, class P3>
+struct MethodSig3 {
+ template <R (C::*F)(P1, P2, P3)>
+ Func4<R, C *, P1, P2, P3, CallMethod3<R, C, P1, P2, P3, F>, FuncInfo<C *, R> >
+ GetFunc() {
+ return Func4<R, C *, P1, P2, P3, CallMethod3<R, C, P1, P2, P3, F>,
+ FuncInfo<C *, R> >();
+ }
+
+ template <R (C::*F)(P1, P2, P3)>
+ BoundFunc4<R, C *, P1, P2, P3, CallMethod3<R, C, P1, P2, P3, F>,
+ FuncInfo<C *, R> >
+ GetFunc(typename remove_constptr<P1>::type param1) {
+ return BoundFunc4<R, C *, P1, P2, P3, CallMethod3<R, C, P1, P2, P3, F>,
+ FuncInfo<C *, R> >(param1);
+ }
+};
+
+template <class R, class C, class P1, class P2, class P3, class P4>
+struct MethodSig4 {
+ template <R (C::*F)(P1, P2, P3, P4)>
+ Func5<R, C *, P1, P2, P3, P4, CallMethod4<R, C, P1, P2, P3, P4, F>,
+ FuncInfo<C *, R> >
+ GetFunc() {
+ return Func5<R, C *, P1, P2, P3, P4, CallMethod4<R, C, P1, P2, P3, P4, F>,
+ FuncInfo<C *, R> >();
+ }
+
+ template <R (C::*F)(P1, P2, P3, P4)>
+ BoundFunc5<R, C *, P1, P2, P3, P4, CallMethod4<R, C, P1, P2, P3, P4, F>,
+ FuncInfo<C *, R> >
+ GetFunc(typename remove_constptr<P1>::type param1) {
+ return BoundFunc5<R, C *, P1, P2, P3, P4,
+ CallMethod4<R, C, P1, P2, P3, P4, F>, FuncInfo<C *, R> >(
+ param1);
+ }
+};
+
+template <class R, class C>
+inline MethodSig0<R, C> MatchFunc(R (C::*f)()) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return MethodSig0<R, C>();
+}
+
+template <class R, class C, class P1>
+inline MethodSig1<R, C, P1> MatchFunc(R (C::*f)(P1)) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return MethodSig1<R, C, P1>();
+}
+
+template <class R, class C, class P1, class P2>
+inline MethodSig2<R, C, P1, P2> MatchFunc(R (C::*f)(P1, P2)) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return MethodSig2<R, C, P1, P2>();
+}
+
+template <class R, class C, class P1, class P2, class P3>
+inline MethodSig3<R, C, P1, P2, P3> MatchFunc(R (C::*f)(P1, P2, P3)) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return MethodSig3<R, C, P1, P2, P3>();
+}
+
+template <class R, class C, class P1, class P2, class P3, class P4>
+inline MethodSig4<R, C, P1, P2, P3, P4> MatchFunc(R (C::*f)(P1, P2, P3, P4)) {
+ UPB_UNUSED(f); /* Only used for template parameter deduction. */
+ return MethodSig4<R, C, P1, P2, P3, P4>();
+}
+
+/* MaybeWrapReturn ************************************************************/
+
+/* Template class that attempts to wrap the return value of the function so it
+ * matches the expected type. There are two main adjustments it may make:
+ *
+ * 1. If the function returns void, make it return the expected type and with
+ * a value that always indicates success.
+ * 2. If the function returns bool, make it return the expected type with a
+ * value that indicates success or failure.
+ *
+ * The "expected type" for return is:
+ * 1. void* for start handlers. If the closure parameter has a different type
+ * we will cast it to void* for the return in the success case.
+ * 2. size_t for string buffer handlers.
+ * 3. bool for everything else. */
+
+/* Template parameters are FuncN type and desired return type. */
+template <class F, class R, class Enable = void>
+struct MaybeWrapReturn;
+
+/* If the return type matches, return the given function unwrapped. */
+template <class F>
+struct MaybeWrapReturn<F, typename F::Return> {
+ typedef F Func;
+};
+
+/* Function wrapper that munges the return value from void to (bool)true. */
+template <class P1, class P2, void F(P1, P2)>
+bool ReturnTrue2(P1 p1, P2 p2) {
+ F(p1, p2);
+ return true;
+}
+
+template <class P1, class P2, class P3, void F(P1, P2, P3)>
+bool ReturnTrue3(P1 p1, P2 p2, P3 p3) {
+ F(p1, p2, p3);
+ return true;
+}
+
+/* Function wrapper that munges the return value from void to (void*)arg1 */
+template <class P1, class P2, void F(P1, P2)>
+void *ReturnClosure2(P1 p1, P2 p2) {
+ F(p1, p2);
+ return p1;
+}
+
+template <class P1, class P2, class P3, void F(P1, P2, P3)>
+void *ReturnClosure3(P1 p1, P2 p2, P3 p3) {
+ F(p1, p2, p3);
+ return p1;
+}
+
+/* Function wrapper that munges the return value from R to void*. */
+template <class R, class P1, class P2, R F(P1, P2)>
+void *CastReturnToVoidPtr2(P1 p1, P2 p2) {
+ return F(p1, p2);
+}
+
+template <class R, class P1, class P2, class P3, R F(P1, P2, P3)>
+void *CastReturnToVoidPtr3(P1 p1, P2 p2, P3 p3) {
+ return F(p1, p2, p3);
+}
+
+/* Function wrapper that munges the return value from bool to void*. */
+template <class P1, class P2, bool F(P1, P2)>
+void *ReturnClosureOrBreak2(P1 p1, P2 p2) {
+ return F(p1, p2) ? p1 : UPB_BREAK;
+}
+
+template <class P1, class P2, class P3, bool F(P1, P2, P3)>
+void *ReturnClosureOrBreak3(P1 p1, P2 p2, P3 p3) {
+ return F(p1, p2, p3) ? p1 : UPB_BREAK;
+}
+
+/* For the string callback, which takes five params, returns the size param. */
+template <class P1, class P2,
+ void F(P1, P2, const char *, size_t, const BufferHandle *)>
+size_t ReturnStringLen(P1 p1, P2 p2, const char *p3, size_t p4,
+ const BufferHandle *p5) {
+ F(p1, p2, p3, p4, p5);
+ return p4;
+}
+
+/* For the string callback, which takes five params, returns the size param or
+ * zero. */
+template <class P1, class P2,
+ bool F(P1, P2, const char *, size_t, const BufferHandle *)>
+size_t ReturnNOr0(P1 p1, P2 p2, const char *p3, size_t p4,
+ const BufferHandle *p5) {
+ return F(p1, p2, p3, p4, p5) ? p4 : 0;
+}
+
+/* If we have a function returning void but want a function returning bool, wrap
+ * it in a function that returns true. */
+template <class P1, class P2, void F(P1, P2), class I>
+struct MaybeWrapReturn<Func2<void, P1, P2, F, I>, bool> {
+ typedef Func2<bool, P1, P2, ReturnTrue2<P1, P2, F>, I> Func;
+};
+
+template <class P1, class P2, class P3, void F(P1, P2, P3), class I>
+struct MaybeWrapReturn<Func3<void, P1, P2, P3, F, I>, bool> {
+ typedef Func3<bool, P1, P2, P3, ReturnTrue3<P1, P2, P3, F>, I> Func;
+};
+
+/* If our function returns void but we want one returning void*, wrap it in a
+ * function that returns the first argument. */
+template <class P1, class P2, void F(P1, P2), class I>
+struct MaybeWrapReturn<Func2<void, P1, P2, F, I>, void *> {
+ typedef Func2<void *, P1, P2, ReturnClosure2<P1, P2, F>, I> Func;
+};
+
+template <class P1, class P2, class P3, void F(P1, P2, P3), class I>
+struct MaybeWrapReturn<Func3<void, P1, P2, P3, F, I>, void *> {
+ typedef Func3<void *, P1, P2, P3, ReturnClosure3<P1, P2, P3, F>, I> Func;
+};
+
+/* If our function returns R* but we want one returning void*, wrap it in a
+ * function that casts to void*. */
+template <class R, class P1, class P2, R *F(P1, P2), class I>
+struct MaybeWrapReturn<Func2<R *, P1, P2, F, I>, void *,
+ typename disable_if_same<R *, void *>::Type> {
+ typedef Func2<void *, P1, P2, CastReturnToVoidPtr2<R *, P1, P2, F>, I> Func;
+};
+
+template <class R, class P1, class P2, class P3, R *F(P1, P2, P3), class I>
+struct MaybeWrapReturn<Func3<R *, P1, P2, P3, F, I>, void *,
+ typename disable_if_same<R *, void *>::Type> {
+ typedef Func3<void *, P1, P2, P3, CastReturnToVoidPtr3<R *, P1, P2, P3, F>, I>
+ Func;
+};
+
+/* If our function returns bool but we want one returning void*, wrap it in a
+ * function that returns either the first param or UPB_BREAK. */
+template <class P1, class P2, bool F(P1, P2), class I>
+struct MaybeWrapReturn<Func2<bool, P1, P2, F, I>, void *> {
+ typedef Func2<void *, P1, P2, ReturnClosureOrBreak2<P1, P2, F>, I> Func;
+};
+
+template <class P1, class P2, class P3, bool F(P1, P2, P3), class I>
+struct MaybeWrapReturn<Func3<bool, P1, P2, P3, F, I>, void *> {
+ typedef Func3<void *, P1, P2, P3, ReturnClosureOrBreak3<P1, P2, P3, F>, I>
+ Func;
+};
+
+/* If our function returns void but we want one returning size_t, wrap it in a
+ * function that returns the size argument. */
+template <class P1, class P2,
+ void F(P1, P2, const char *, size_t, const BufferHandle *), class I>
+struct MaybeWrapReturn<
+ Func5<void, P1, P2, const char *, size_t, const BufferHandle *, F, I>,
+ size_t> {
+ typedef Func5<size_t, P1, P2, const char *, size_t, const BufferHandle *,
+ ReturnStringLen<P1, P2, F>, I> Func;
+};
+
+/* If our function returns bool but we want one returning size_t, wrap it in a
+ * function that returns either 0 or the buf size. */
+template <class P1, class P2,
+ bool F(P1, P2, const char *, size_t, const BufferHandle *), class I>
+struct MaybeWrapReturn<
+ Func5<bool, P1, P2, const char *, size_t, const BufferHandle *, F, I>,
+ size_t> {
+ typedef Func5<size_t, P1, P2, const char *, size_t, const BufferHandle *,
+ ReturnNOr0<P1, P2, F>, I> Func;
+};
+
+/* ConvertParams **************************************************************/
+
+/* Template class that converts the function parameters if necessary, and
+ * ignores the HandlerData parameter if appropriate.
+ *
+ * Template parameter is the are FuncN function type. */
+template <class F, class T>
+struct ConvertParams;
+
+/* Function that discards the handler data parameter. */
+template <class R, class P1, R F(P1)>
+R IgnoreHandlerData2(void *p1, const void *hd) {
+ UPB_UNUSED(hd);
+ return F(static_cast<P1>(p1));
+}
+
+template <class R, class P1, class P2Wrapper, class P2Wrapped,
+ R F(P1, P2Wrapped)>
+R IgnoreHandlerData3(void *p1, const void *hd, P2Wrapper p2) {
+ UPB_UNUSED(hd);
+ return F(static_cast<P1>(p1), p2);
+}
+
+template <class R, class P1, class P2, class P3, R F(P1, P2, P3)>
+R IgnoreHandlerData4(void *p1, const void *hd, P2 p2, P3 p3) {
+ UPB_UNUSED(hd);
+ return F(static_cast<P1>(p1), p2, p3);
+}
+
+template <class R, class P1, class P2, class P3, class P4, R F(P1, P2, P3, P4)>
+R IgnoreHandlerData5(void *p1, const void *hd, P2 p2, P3 p3, P4 p4) {
+ UPB_UNUSED(hd);
+ return F(static_cast<P1>(p1), p2, p3, p4);
+}
+
+template <class R, class P1, R F(P1, const char*, size_t)>
+R IgnoreHandlerDataIgnoreHandle(void *p1, const void *hd, const char *p2,
+ size_t p3, const BufferHandle *handle) {
+ UPB_UNUSED(hd);
+ UPB_UNUSED(handle);
+ return F(static_cast<P1>(p1), p2, p3);
+}
+
+/* Function that casts the handler data parameter. */
+template <class R, class P1, class P2, R F(P1, P2)>
+R CastHandlerData2(void *c, const void *hd) {
+ return F(static_cast<P1>(c), static_cast<P2>(hd));
+}
+
+template <class R, class P1, class P2, class P3Wrapper, class P3Wrapped,
+ R F(P1, P2, P3Wrapped)>
+R CastHandlerData3(void *c, const void *hd, P3Wrapper p3) {
+ return F(static_cast<P1>(c), static_cast<P2>(hd), p3);
+}
+
+template <class R, class P1, class P2, class P3, class P4, class P5,
+ R F(P1, P2, P3, P4, P5)>
+R CastHandlerData5(void *c, const void *hd, P3 p3, P4 p4, P5 p5) {
+ return F(static_cast<P1>(c), static_cast<P2>(hd), p3, p4, p5);
+}
+
+template <class R, class P1, class P2, R F(P1, P2, const char *, size_t)>
+R CastHandlerDataIgnoreHandle(void *c, const void *hd, const char *p3,
+ size_t p4, const BufferHandle *handle) {
+ UPB_UNUSED(handle);
+ return F(static_cast<P1>(c), static_cast<P2>(hd), p3, p4);
+}
+
+/* For unbound functions, ignore the handler data. */
+template <class R, class P1, R F(P1), class I, class T>
+struct ConvertParams<Func1<R, P1, F, I>, T> {
+ typedef Func2<R, void *, const void *, IgnoreHandlerData2<R, P1, F>, I> Func;
+};
+
+template <class R, class P1, class P2, R F(P1, P2), class I,
+ class R2, class P1_2, class P2_2, class P3_2>
+struct ConvertParams<Func2<R, P1, P2, F, I>,
+ R2 (*)(P1_2, P2_2, P3_2)> {
+ typedef Func3<R, void *, const void *, P3_2,
+ IgnoreHandlerData3<R, P1, P3_2, P2, F>, I> Func;
+};
+
+/* For StringBuffer only; this ignores both the handler data and the
+ * BufferHandle. */
+template <class R, class P1, R F(P1, const char *, size_t), class I, class T>
+struct ConvertParams<Func3<R, P1, const char *, size_t, F, I>, T> {
+ typedef Func5<R, void *, const void *, const char *, size_t,
+ const BufferHandle *, IgnoreHandlerDataIgnoreHandle<R, P1, F>,
+ I> Func;
+};
+
+template <class R, class P1, class P2, class P3, class P4, R F(P1, P2, P3, P4),
+ class I, class T>
+struct ConvertParams<Func4<R, P1, P2, P3, P4, F, I>, T> {
+ typedef Func5<R, void *, const void *, P2, P3, P4,
+ IgnoreHandlerData5<R, P1, P2, P3, P4, F>, I> Func;
+};
+
+/* For bound functions, cast the handler data. */
+template <class R, class P1, class P2, R F(P1, P2), class I, class T>
+struct ConvertParams<BoundFunc2<R, P1, P2, F, I>, T> {
+ typedef Func2<R, void *, const void *, CastHandlerData2<R, P1, P2, F>, I>
+ Func;
+};
+
+template <class R, class P1, class P2, class P3, R F(P1, P2, P3), class I,
+ class R2, class P1_2, class P2_2, class P3_2>
+struct ConvertParams<BoundFunc3<R, P1, P2, P3, F, I>,
+ R2 (*)(P1_2, P2_2, P3_2)> {
+ typedef Func3<R, void *, const void *, P3_2,
+ CastHandlerData3<R, P1, P2, P3_2, P3, F>, I> Func;
+};
+
+/* For StringBuffer only; this ignores the BufferHandle. */
+template <class R, class P1, class P2, R F(P1, P2, const char *, size_t),
+ class I, class T>
+struct ConvertParams<BoundFunc4<R, P1, P2, const char *, size_t, F, I>, T> {
+ typedef Func5<R, void *, const void *, const char *, size_t,
+ const BufferHandle *, CastHandlerDataIgnoreHandle<R, P1, P2, F>,
+ I> Func;
+};
+
+template <class R, class P1, class P2, class P3, class P4, class P5,
+ R F(P1, P2, P3, P4, P5), class I, class T>
+struct ConvertParams<BoundFunc5<R, P1, P2, P3, P4, P5, F, I>, T> {
+ typedef Func5<R, void *, const void *, P3, P4, P5,
+ CastHandlerData5<R, P1, P2, P3, P4, P5, F>, I> Func;
+};
+
+/* utype/ltype are upper/lower-case, ctype is canonical C type, vtype is
+ * variant C type. */
+#define TYPE_METHODS(utype, ltype, ctype, vtype) \
+ template <> struct CanonicalType<vtype> { \
+ typedef ctype Type; \
+ }; \
+ template <> \
+ inline bool Handlers::SetValueHandler<vtype>( \
+ const FieldDef *f, \
+ const Handlers::utype ## Handler& handler) { \
+ assert(!handler.registered_); \
+ handler.AddCleanup(this); \
+ handler.registered_ = true; \
+ return upb_handlers_set##ltype(this, f, handler.handler_, &handler.attr_); \
+ } \
+
+TYPE_METHODS(Double, double, double, double)
+TYPE_METHODS(Float, float, float, float)
+TYPE_METHODS(UInt64, uint64, uint64_t, UPB_UINT64_T)
+TYPE_METHODS(UInt32, uint32, uint32_t, UPB_UINT32_T)
+TYPE_METHODS(Int64, int64, int64_t, UPB_INT64_T)
+TYPE_METHODS(Int32, int32, int32_t, UPB_INT32_T)
+TYPE_METHODS(Bool, bool, bool, bool)
+
+#ifdef UPB_TWO_32BIT_TYPES
+TYPE_METHODS(Int32, int32, int32_t, UPB_INT32ALT_T)
+TYPE_METHODS(UInt32, uint32, uint32_t, UPB_UINT32ALT_T)
+#endif
+
+#ifdef UPB_TWO_64BIT_TYPES
+TYPE_METHODS(Int64, int64, int64_t, UPB_INT64ALT_T)
+TYPE_METHODS(UInt64, uint64, uint64_t, UPB_UINT64ALT_T)
+#endif
+#undef TYPE_METHODS
+
+template <> struct CanonicalType<Status*> {
+ typedef Status* Type;
+};
+
+/* Type methods that are only one-per-canonical-type and not
+ * one-per-cvariant. */
+
+#define TYPE_METHODS(utype, ctype) \
+ inline bool Handlers::Set##utype##Handler(const FieldDef *f, \
+ const utype##Handler &h) { \
+ return SetValueHandler<ctype>(f, h); \
+ } \
+
+TYPE_METHODS(Double, double)
+TYPE_METHODS(Float, float)
+TYPE_METHODS(UInt64, uint64_t)
+TYPE_METHODS(UInt32, uint32_t)
+TYPE_METHODS(Int64, int64_t)
+TYPE_METHODS(Int32, int32_t)
+TYPE_METHODS(Bool, bool)
+#undef TYPE_METHODS
+
+template <class F> struct ReturnOf;
+
+template <class R, class P1, class P2>
+struct ReturnOf<R (*)(P1, P2)> {
+ typedef R Return;
+};
+
+template <class R, class P1, class P2, class P3>
+struct ReturnOf<R (*)(P1, P2, P3)> {
+ typedef R Return;
+};
+
+template <class R, class P1, class P2, class P3, class P4>
+struct ReturnOf<R (*)(P1, P2, P3, P4)> {
+ typedef R Return;
+};
+
+template <class R, class P1, class P2, class P3, class P4, class P5>
+struct ReturnOf<R (*)(P1, P2, P3, P4, P5)> {
+ typedef R Return;
+};
+
+template<class T> const void *UniquePtrForType() {
+ static const char ch = 0;
+ return &ch;
+}
+
+template <class T>
+template <class F>
+inline Handler<T>::Handler(F func)
+ : registered_(false),
+ cleanup_data_(func.GetData()),
+ cleanup_func_(func.GetCleanup()) {
+ upb_handlerattr_sethandlerdata(&attr_, func.GetData());
+ typedef typename ReturnOf<T>::Return Return;
+ typedef typename ConvertParams<F, T>::Func ConvertedParamsFunc;
+ typedef typename MaybeWrapReturn<ConvertedParamsFunc, Return>::Func
+ ReturnWrappedFunc;
+ handler_ = ReturnWrappedFunc().Call;
+
+ /* Set attributes based on what templates can statically tell us about the
+ * user's function. */
+
+ /* If the original function returns void, then we know that we wrapped it to
+ * always return ok. */
+ bool always_ok = is_same<typename F::FuncInfo::Return, void>::value;
+ attr_.SetAlwaysOk(always_ok);
+
+ /* Closure parameter and return type. */
+ attr_.SetClosureType(UniquePtrForType<typename F::FuncInfo::Closure>());
+
+ /* We use the closure type (from the first parameter) if the return type is
+ * void or bool, since these are the two cases we wrap to return the closure's
+ * type anyway.
+ *
+ * This is all nonsense for non START* handlers, but it doesn't matter because
+ * in that case the value will be ignored. */
+ typedef typename FirstUnlessVoidOrBool<typename F::FuncInfo::Return,
+ typename F::FuncInfo::Closure>::value
+ EffectiveReturn;
+ attr_.SetReturnClosureType(UniquePtrForType<EffectiveReturn>());
+}
+
+template <class T>
+inline Handler<T>::~Handler() {
+ assert(registered_);
+}
+
+inline HandlerAttributes::HandlerAttributes() { upb_handlerattr_init(this); }
+inline HandlerAttributes::~HandlerAttributes() { upb_handlerattr_uninit(this); }
+inline bool HandlerAttributes::SetHandlerData(const void *hd) {
+ return upb_handlerattr_sethandlerdata(this, hd);
+}
+inline const void* HandlerAttributes::handler_data() const {
+ return upb_handlerattr_handlerdata(this);
+}
+inline bool HandlerAttributes::SetClosureType(const void *type) {
+ return upb_handlerattr_setclosuretype(this, type);
+}
+inline const void* HandlerAttributes::closure_type() const {
+ return upb_handlerattr_closuretype(this);
+}
+inline bool HandlerAttributes::SetReturnClosureType(const void *type) {
+ return upb_handlerattr_setreturnclosuretype(this, type);
+}
+inline const void* HandlerAttributes::return_closure_type() const {
+ return upb_handlerattr_returnclosuretype(this);
+}
+inline bool HandlerAttributes::SetAlwaysOk(bool always_ok) {
+ return upb_handlerattr_setalwaysok(this, always_ok);
+}
+inline bool HandlerAttributes::always_ok() const {
+ return upb_handlerattr_alwaysok(this);
+}
+
+inline BufferHandle::BufferHandle() { upb_bufhandle_init(this); }
+inline BufferHandle::~BufferHandle() { upb_bufhandle_uninit(this); }
+inline const char* BufferHandle::buffer() const {
+ return upb_bufhandle_buf(this);
+}
+inline size_t BufferHandle::object_offset() const {
+ return upb_bufhandle_objofs(this);
+}
+inline void BufferHandle::SetBuffer(const char* buf, size_t ofs) {
+ upb_bufhandle_setbuf(this, buf, ofs);
+}
+template <class T>
+void BufferHandle::SetAttachedObject(const T* obj) {
+ upb_bufhandle_setobj(this, obj, UniquePtrForType<T>());
+}
+template <class T>
+const T* BufferHandle::GetAttachedObject() const {
+ return upb_bufhandle_objtype(this) == UniquePtrForType<T>()
+ ? static_cast<const T *>(upb_bufhandle_obj(this))
+ : NULL;
+}
+
+inline reffed_ptr<Handlers> Handlers::New(const MessageDef *m) {
+ upb_handlers *h = upb_handlers_new(m, &h);
+ return reffed_ptr<Handlers>(h, &h);
+}
+inline reffed_ptr<const Handlers> Handlers::NewFrozen(
+ const MessageDef *m, upb_handlers_callback *callback,
+ const void *closure) {
+ const upb_handlers *h = upb_handlers_newfrozen(m, &h, callback, closure);
+ return reffed_ptr<const Handlers>(h, &h);
+}
+inline const Status* Handlers::status() {
+ return upb_handlers_status(this);
+}
+inline void Handlers::ClearError() {
+ return upb_handlers_clearerr(this);
+}
+inline bool Handlers::Freeze(Status *s) {
+ upb::Handlers* h = this;
+ return upb_handlers_freeze(&h, 1, s);
+}
+inline bool Handlers::Freeze(Handlers *const *handlers, int n, Status *s) {
+ return upb_handlers_freeze(handlers, n, s);
+}
+inline bool Handlers::Freeze(const std::vector<Handlers*>& h, Status* status) {
+ return upb_handlers_freeze((Handlers* const*)&h[0], h.size(), status);
+}
+inline const MessageDef *Handlers::message_def() const {
+ return upb_handlers_msgdef(this);
+}
+inline bool Handlers::AddCleanup(void *p, upb_handlerfree *func) {
+ return upb_handlers_addcleanup(this, p, func);
+}
+inline bool Handlers::SetStartMessageHandler(
+ const Handlers::StartMessageHandler &handler) {
+ assert(!handler.registered_);
+ handler.registered_ = true;
+ handler.AddCleanup(this);
+ return upb_handlers_setstartmsg(this, handler.handler_, &handler.attr_);
+}
+inline bool Handlers::SetEndMessageHandler(
+ const Handlers::EndMessageHandler &handler) {
+ assert(!handler.registered_);
+ handler.registered_ = true;
+ handler.AddCleanup(this);
+ return upb_handlers_setendmsg(this, handler.handler_, &handler.attr_);
+}
+inline bool Handlers::SetStartStringHandler(const FieldDef *f,
+ const StartStringHandler &handler) {
+ assert(!handler.registered_);
+ handler.registered_ = true;
+ handler.AddCleanup(this);
+ return upb_handlers_setstartstr(this, f, handler.handler_, &handler.attr_);
+}
+inline bool Handlers::SetEndStringHandler(const FieldDef *f,
+ const EndFieldHandler &handler) {
+ assert(!handler.registered_);
+ handler.registered_ = true;
+ handler.AddCleanup(this);
+ return upb_handlers_setendstr(this, f, handler.handler_, &handler.attr_);
+}
+inline bool Handlers::SetStringHandler(const FieldDef *f,
+ const StringHandler& handler) {
+ assert(!handler.registered_);
+ handler.registered_ = true;
+ handler.AddCleanup(this);
+ return upb_handlers_setstring(this, f, handler.handler_, &handler.attr_);
+}
+inline bool Handlers::SetStartSequenceHandler(
+ const FieldDef *f, const StartFieldHandler &handler) {
+ assert(!handler.registered_);
+ handler.registered_ = true;
+ handler.AddCleanup(this);
+ return upb_handlers_setstartseq(this, f, handler.handler_, &handler.attr_);
+}
+inline bool Handlers::SetStartSubMessageHandler(
+ const FieldDef *f, const StartFieldHandler &handler) {
+ assert(!handler.registered_);
+ handler.registered_ = true;
+ handler.AddCleanup(this);
+ return upb_handlers_setstartsubmsg(this, f, handler.handler_, &handler.attr_);
+}
+inline bool Handlers::SetEndSubMessageHandler(const FieldDef *f,
+ const EndFieldHandler &handler) {
+ assert(!handler.registered_);
+ handler.registered_ = true;
+ handler.AddCleanup(this);
+ return upb_handlers_setendsubmsg(this, f, handler.handler_, &handler.attr_);
+}
+inline bool Handlers::SetEndSequenceHandler(const FieldDef *f,
+ const EndFieldHandler &handler) {
+ assert(!handler.registered_);
+ handler.registered_ = true;
+ handler.AddCleanup(this);
+ return upb_handlers_setendseq(this, f, handler.handler_, &handler.attr_);
+}
+inline bool Handlers::SetSubHandlers(const FieldDef *f, const Handlers *sub) {
+ return upb_handlers_setsubhandlers(this, f, sub);
+}
+inline const Handlers *Handlers::GetSubHandlers(const FieldDef *f) const {
+ return upb_handlers_getsubhandlers(this, f);
+}
+inline const Handlers *Handlers::GetSubHandlers(Handlers::Selector sel) const {
+ return upb_handlers_getsubhandlers_sel(this, sel);
+}
+inline bool Handlers::GetSelector(const FieldDef *f, Handlers::Type type,
+ Handlers::Selector *s) {
+ return upb_handlers_getselector(f, type, s);
+}
+inline Handlers::Selector Handlers::GetEndSelector(Handlers::Selector start) {
+ return upb_handlers_getendselector(start);
+}
+inline Handlers::GenericFunction *Handlers::GetHandler(
+ Handlers::Selector selector) {
+ return upb_handlers_gethandler(this, selector);
+}
+inline const void *Handlers::GetHandlerData(Handlers::Selector selector) {
+ return upb_handlers_gethandlerdata(this, selector);
+}
+
+inline BytesHandler::BytesHandler() {
+ upb_byteshandler_init(this);
+}
+
+inline BytesHandler::~BytesHandler() {}
+
+} /* namespace upb */
+
+#endif /* __cplusplus */
+
+
+#undef UPB_TWO_32BIT_TYPES
+#undef UPB_TWO_64BIT_TYPES
+#undef UPB_INT32_T
+#undef UPB_UINT32_T
+#undef UPB_INT32ALT_T
+#undef UPB_UINT32ALT_T
+#undef UPB_INT64_T
+#undef UPB_UINT64_T
+#undef UPB_INT64ALT_T
+#undef UPB_UINT64ALT_T
+
+#endif /* UPB_HANDLERS_INL_H_ */
+
+#endif /* UPB_HANDLERS_H */
+/*
+** upb::Environment (upb_env)
+**
+** A upb::Environment provides a means for injecting malloc and an
+** error-reporting callback into encoders/decoders. This allows them to be
+** independent of nearly all assumptions about their actual environment.
+**
+** It is also a container for allocating the encoders/decoders themselves that
+** insulates clients from knowing their actual size. This provides ABI
+** compatibility even if the size of the objects change. And this allows the
+** structure definitions to be in the .c files instead of the .h files, making
+** the .h files smaller and more readable.
+*/
+
+
+#ifndef UPB_ENV_H_
+#define UPB_ENV_H_
+
+#ifdef __cplusplus
+namespace upb {
+class Environment;
+class SeededAllocator;
+}
+#endif
+
+UPB_DECLARE_TYPE(upb::Environment, upb_env)
+UPB_DECLARE_TYPE(upb::SeededAllocator, upb_seededalloc)
+
+typedef void *upb_alloc_func(void *ud, void *ptr, size_t oldsize, size_t size);
+typedef void upb_cleanup_func(void *ud);
+typedef bool upb_error_func(void *ud, const upb_status *status);
+
+#ifdef __cplusplus
+
+/* An environment is *not* thread-safe. */
+class upb::Environment {
+ public:
+ Environment();
+ ~Environment();
+
+ /* Set a custom memory allocation function for the environment. May ONLY
+ * be called before any calls to Malloc()/Realloc()/AddCleanup() below.
+ * If this is not called, the system realloc() function will be used.
+ * The given user pointer "ud" will be passed to the allocation function.
+ *
+ * The allocation function will not receive corresponding "free" calls. it
+ * must ensure that the memory is valid for the lifetime of the Environment,
+ * but it may be reclaimed any time thereafter. The likely usage is that
+ * "ud" points to a stateful allocator, and that the allocator frees all
+ * memory, arena-style, when it is destroyed. In this case the allocator must
+ * outlive the Environment. Another possibility is that the allocation
+ * function returns GC-able memory that is guaranteed to be GC-rooted for the
+ * life of the Environment. */
+ void SetAllocationFunction(upb_alloc_func* alloc, void* ud);
+
+ template<class T>
+ void SetAllocator(T* allocator) {
+ SetAllocationFunction(allocator->GetAllocationFunction(), allocator);
+ }
+
+ /* Set a custom error reporting function. */
+ void SetErrorFunction(upb_error_func* func, void* ud);
+
+ /* Set the error reporting function to simply copy the status to the given
+ * status and abort. */
+ void ReportErrorsTo(Status* status);
+
+ /* Returns true if all allocations and AddCleanup() calls have succeeded,
+ * and no errors were reported with ReportError() (except ones that recovered
+ * successfully). */
+ bool ok() const;
+
+ /* Functions for use by encoders/decoders. **********************************/
+
+ /* Reports an error to this environment's callback, returning true if
+ * the caller should try to recover. */
+ bool ReportError(const Status* status);
+
+ /* Allocate memory. Uses the environment's allocation function.
+ *
+ * There is no need to free(). All memory will be freed automatically, but is
+ * guaranteed to outlive the Environment. */
+ void* Malloc(size_t size);
+
+ /* Reallocate memory. Preserves "oldsize" bytes from the existing buffer
+ * Requires: oldsize <= existing_size.
+ *
+ * TODO(haberman): should we also enforce that oldsize <= size? */
+ void* Realloc(void* ptr, size_t oldsize, size_t size);
+
+ /* Add a cleanup function to run when the environment is destroyed.
+ * Returns false on out-of-memory.
+ *
+ * The first call to AddCleanup() after SetAllocationFunction() is guaranteed
+ * to return true -- this makes it possible to robustly set a cleanup handler
+ * for a custom allocation function. */
+ bool AddCleanup(upb_cleanup_func* func, void* ud);
+
+ /* Total number of bytes that have been allocated. It is undefined what
+ * Realloc() does to this counter. */
+ size_t BytesAllocated() const;
+
+ private:
+ UPB_DISALLOW_COPY_AND_ASSIGN(Environment)
+
+#else
+struct upb_env {
+#endif /* __cplusplus */
+
+ bool ok_;
+ size_t bytes_allocated;
+
+ /* Alloc function. */
+ upb_alloc_func *alloc;
+ void *alloc_ud;
+
+ /* Error-reporting function. */
+ upb_error_func *err;
+ void *err_ud;
+
+ /* Userdata for default alloc func. */
+ void *default_alloc_ud;
+
+ /* Cleanup entries. Pointer to a cleanup_ent, defined in env.c */
+ void *cleanup_head;
+
+ /* For future expansion, since the size of this struct is exposed to users. */
+ void *future1;
+ void *future2;
+};
+
+UPB_BEGIN_EXTERN_C
+
+void upb_env_init(upb_env *e);
+void upb_env_uninit(upb_env *e);
+void upb_env_setallocfunc(upb_env *e, upb_alloc_func *func, void *ud);
+void upb_env_seterrorfunc(upb_env *e, upb_error_func *func, void *ud);
+void upb_env_reporterrorsto(upb_env *e, upb_status *status);
+bool upb_env_ok(const upb_env *e);
+bool upb_env_reporterror(upb_env *e, const upb_status *status);
+void *upb_env_malloc(upb_env *e, size_t size);
+void *upb_env_realloc(upb_env *e, void *ptr, size_t oldsize, size_t size);
+bool upb_env_addcleanup(upb_env *e, upb_cleanup_func *func, void *ud);
+size_t upb_env_bytesallocated(const upb_env *e);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+/* An allocator that allocates from an initial memory region (likely the stack)
+ * before falling back to another allocator. */
+class upb::SeededAllocator {
+ public:
+ SeededAllocator(void *mem, size_t len);
+ ~SeededAllocator();
+
+ /* Set a custom fallback memory allocation function for the allocator, to use
+ * once the initial region runs out.
+ *
+ * May ONLY be called before GetAllocationFunction(). If this is not
+ * called, the system realloc() will be the fallback allocator. */
+ void SetFallbackAllocator(upb_alloc_func *alloc, void *ud);
+
+ /* Gets the allocation function for this allocator. */
+ upb_alloc_func* GetAllocationFunction();
+
+ private:
+ UPB_DISALLOW_COPY_AND_ASSIGN(SeededAllocator)
+
+#else
+struct upb_seededalloc {
+#endif /* __cplusplus */
+
+ /* Fallback alloc function. */
+ upb_alloc_func *alloc;
+ upb_cleanup_func *alloc_cleanup;
+ void *alloc_ud;
+ bool need_cleanup;
+ bool returned_allocfunc;
+
+ /* Userdata for default alloc func. */
+ void *default_alloc_ud;
+
+ /* Pointers for the initial memory region. */
+ char *mem_base;
+ char *mem_ptr;
+ char *mem_limit;
+
+ /* For future expansion, since the size of this struct is exposed to users. */
+ void *future1;
+ void *future2;
+};
+
+UPB_BEGIN_EXTERN_C
+
+void upb_seededalloc_init(upb_seededalloc *a, void *mem, size_t len);
+void upb_seededalloc_uninit(upb_seededalloc *a);
+void upb_seededalloc_setfallbackalloc(upb_seededalloc *a, upb_alloc_func *func,
+ void *ud);
+upb_alloc_func *upb_seededalloc_getallocfunc(upb_seededalloc *a);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+namespace upb {
+
+inline Environment::Environment() {
+ upb_env_init(this);
+}
+inline Environment::~Environment() {
+ upb_env_uninit(this);
+}
+inline void Environment::SetAllocationFunction(upb_alloc_func *alloc,
+ void *ud) {
+ upb_env_setallocfunc(this, alloc, ud);
+}
+inline void Environment::SetErrorFunction(upb_error_func *func, void *ud) {
+ upb_env_seterrorfunc(this, func, ud);
+}
+inline void Environment::ReportErrorsTo(Status* status) {
+ upb_env_reporterrorsto(this, status);
+}
+inline bool Environment::ok() const {
+ return upb_env_ok(this);
+}
+inline bool Environment::ReportError(const Status* status) {
+ return upb_env_reporterror(this, status);
+}
+inline void *Environment::Malloc(size_t size) {
+ return upb_env_malloc(this, size);
+}
+inline void *Environment::Realloc(void *ptr, size_t oldsize, size_t size) {
+ return upb_env_realloc(this, ptr, oldsize, size);
+}
+inline bool Environment::AddCleanup(upb_cleanup_func *func, void *ud) {
+ return upb_env_addcleanup(this, func, ud);
+}
+inline size_t Environment::BytesAllocated() const {
+ return upb_env_bytesallocated(this);
+}
+
+inline SeededAllocator::SeededAllocator(void *mem, size_t len) {
+ upb_seededalloc_init(this, mem, len);
+}
+inline SeededAllocator::~SeededAllocator() {
+ upb_seededalloc_uninit(this);
+}
+inline void SeededAllocator::SetFallbackAllocator(upb_alloc_func *alloc,
+ void *ud) {
+ upb_seededalloc_setfallbackalloc(this, alloc, ud);
+}
+inline upb_alloc_func *SeededAllocator::GetAllocationFunction() {
+ return upb_seededalloc_getallocfunc(this);
+}
+
+} /* namespace upb */
+
+#endif /* __cplusplus */
+
+#endif /* UPB_ENV_H_ */
+/*
+** upb::Sink (upb_sink)
+** upb::BytesSink (upb_bytessink)
+**
+** A upb_sink is an object that binds a upb_handlers object to some runtime
+** state. It is the object that can actually receive data via the upb_handlers
+** interface.
+**
+** Unlike upb_def and upb_handlers, upb_sink is never frozen, immutable, or
+** thread-safe. You can create as many of them as you want, but each one may
+** only be used in a single thread at a time.
+**
+** If we compare with class-based OOP, a you can think of a upb_def as an
+** abstract base class, a upb_handlers as a concrete derived class, and a
+** upb_sink as an object (class instance).
+*/
+
+#ifndef UPB_SINK_H
+#define UPB_SINK_H
+
+
+#ifdef __cplusplus
+namespace upb {
+class BufferSource;
+class BytesSink;
+class Sink;
+}
+#endif
+
+UPB_DECLARE_TYPE(upb::BufferSource, upb_bufsrc)
+UPB_DECLARE_TYPE(upb::BytesSink, upb_bytessink)
+UPB_DECLARE_TYPE(upb::Sink, upb_sink)
+
+#ifdef __cplusplus
+
+/* A upb::Sink is an object that binds a upb::Handlers object to some runtime
+ * state. It represents an endpoint to which data can be sent.
+ *
+ * TODO(haberman): right now all of these functions take selectors. Should they
+ * take selectorbase instead?
+ *
+ * ie. instead of calling:
+ * sink->StartString(FOO_FIELD_START_STRING, ...)
+ * a selector base would let you say:
+ * sink->StartString(FOO_FIELD, ...)
+ *
+ * This would make call sites a little nicer and require emitting fewer selector
+ * definitions in .h files.
+ *
+ * But the current scheme has the benefit that you can retrieve a function
+ * pointer for any handler with handlers->GetHandler(selector), without having
+ * to have a separate GetHandler() function for each handler type. The JIT
+ * compiler uses this. To accommodate we'd have to expose a separate
+ * GetHandler() for every handler type.
+ *
+ * Also to ponder: selectors right now are independent of a specific Handlers
+ * instance. In other words, they allocate a number to every possible handler
+ * that *could* be registered, without knowing anything about what handlers
+ * *are* registered. That means that using selectors as table offsets prohibits
+ * us from compacting the handler table at Freeze() time. If the table is very
+ * sparse, this could be wasteful.
+ *
+ * Having another selector-like thing that is specific to a Handlers instance
+ * would allow this compacting, but then it would be impossible to write code
+ * ahead-of-time that can be bound to any Handlers instance at runtime. For
+ * example, a .proto file parser written as straight C will not know what
+ * Handlers it will be bound to, so when it calls sink->StartString() what
+ * selector will it pass? It needs a selector like we have today, that is
+ * independent of any particular upb::Handlers.
+ *
+ * Is there a way then to allow Handlers table compaction? */
+class upb::Sink {
+ public:
+ /* Constructor with no initialization; must be Reset() before use. */
+ Sink() {}
+
+ /* Constructs a new sink for the given frozen handlers and closure.
+ *
+ * TODO: once the Handlers know the expected closure type, verify that T
+ * matches it. */
+ template <class T> Sink(const Handlers* handlers, T* closure);
+
+ /* Resets the value of the sink. */
+ template <class T> void Reset(const Handlers* handlers, T* closure);
+
+ /* Returns the top-level object that is bound to this sink.
+ *
+ * TODO: once the Handlers know the expected closure type, verify that T
+ * matches it. */
+ template <class T> T* GetObject() const;
+
+ /* Functions for pushing data into the sink.
+ *
+ * These return false if processing should stop (either due to error or just
+ * to suspend).
+ *
+ * These may not be called from within one of the same sink's handlers (in
+ * other words, handlers are not re-entrant). */
+
+ /* Should be called at the start and end of every message; both the top-level
+ * message and submessages. This means that submessages should use the
+ * following sequence:
+ * sink->StartSubMessage(startsubmsg_selector);
+ * sink->StartMessage();
+ * // ...
+ * sink->EndMessage(&status);
+ * sink->EndSubMessage(endsubmsg_selector); */
+ bool StartMessage();
+ bool EndMessage(Status* status);
+
+ /* Putting of individual values. These work for both repeated and
+ * non-repeated fields, but for repeated fields you must wrap them in
+ * calls to StartSequence()/EndSequence(). */
+ bool PutInt32(Handlers::Selector s, int32_t val);
+ bool PutInt64(Handlers::Selector s, int64_t val);
+ bool PutUInt32(Handlers::Selector s, uint32_t val);
+ bool PutUInt64(Handlers::Selector s, uint64_t val);
+ bool PutFloat(Handlers::Selector s, float val);
+ bool PutDouble(Handlers::Selector s, double val);
+ bool PutBool(Handlers::Selector s, bool val);
+
+ /* Putting of string/bytes values. Each string can consist of zero or more
+ * non-contiguous buffers of data.
+ *
+ * For StartString(), the function will write a sink for the string to "sub."
+ * The sub-sink must be used for any/all PutStringBuffer() calls. */
+ bool StartString(Handlers::Selector s, size_t size_hint, Sink* sub);
+ size_t PutStringBuffer(Handlers::Selector s, const char *buf, size_t len,
+ const BufferHandle *handle);
+ bool EndString(Handlers::Selector s);
+
+ /* For submessage fields.
+ *
+ * For StartSubMessage(), the function will write a sink for the string to
+ * "sub." The sub-sink must be used for any/all handlers called within the
+ * submessage. */
+ bool StartSubMessage(Handlers::Selector s, Sink* sub);
+ bool EndSubMessage(Handlers::Selector s);
+
+ /* For repeated fields of any type, the sequence of values must be wrapped in
+ * these calls.
+ *
+ * For StartSequence(), the function will write a sink for the string to
+ * "sub." The sub-sink must be used for any/all handlers called within the
+ * sequence. */
+ bool StartSequence(Handlers::Selector s, Sink* sub);
+ bool EndSequence(Handlers::Selector s);
+
+ /* Copy and assign specifically allowed.
+ * We don't even bother making these members private because so many
+ * functions need them and this is mainly just a dumb data container anyway.
+ */
+#else
+struct upb_sink {
+#endif
+ const upb_handlers *handlers;
+ void *closure;
+};
+
+#ifdef __cplusplus
+class upb::BytesSink {
+ public:
+ BytesSink() {}
+
+ /* Constructs a new sink for the given frozen handlers and closure.
+ *
+ * TODO(haberman): once the Handlers know the expected closure type, verify
+ * that T matches it. */
+ template <class T> BytesSink(const BytesHandler* handler, T* closure);
+
+ /* Resets the value of the sink. */
+ template <class T> void Reset(const BytesHandler* handler, T* closure);
+
+ bool Start(size_t size_hint, void **subc);
+ size_t PutBuffer(void *subc, const char *buf, size_t len,
+ const BufferHandle *handle);
+ bool End();
+#else
+struct upb_bytessink {
+#endif
+ const upb_byteshandler *handler;
+ void *closure;
+};
+
+#ifdef __cplusplus
+
+/* A class for pushing a flat buffer of data to a BytesSink.
+ * You can construct an instance of this to get a resumable source,
+ * or just call the static PutBuffer() to do a non-resumable push all in one
+ * go. */
+class upb::BufferSource {
+ public:
+ BufferSource();
+ BufferSource(const char* buf, size_t len, BytesSink* sink);
+
+ /* Returns true if the entire buffer was pushed successfully. Otherwise the
+ * next call to PutNext() will resume where the previous one left off.
+ * TODO(haberman): implement this. */
+ bool PutNext();
+
+ /* A static version; with this version is it not possible to resume in the
+ * case of failure or a partially-consumed buffer. */
+ static bool PutBuffer(const char* buf, size_t len, BytesSink* sink);
+
+ template <class T> static bool PutBuffer(const T& str, BytesSink* sink) {
+ return PutBuffer(str.c_str(), str.size(), sink);
+ }
+#else
+struct upb_bufsrc {
+ char dummy;
+#endif
+};
+
+UPB_BEGIN_EXTERN_C
+
+/* Inline definitions. */
+
+UPB_INLINE void upb_bytessink_reset(upb_bytessink *s, const upb_byteshandler *h,
+ void *closure) {
+ s->handler = h;
+ s->closure = closure;
+}
+
+UPB_INLINE bool upb_bytessink_start(upb_bytessink *s, size_t size_hint,
+ void **subc) {
+ typedef upb_startstr_handlerfunc func;
+ func *start;
+ *subc = s->closure;
+ if (!s->handler) return true;
+ start = (func *)s->handler->table[UPB_STARTSTR_SELECTOR].func;
+
+ if (!start) return true;
+ *subc = start(s->closure, upb_handlerattr_handlerdata(
+ &s->handler->table[UPB_STARTSTR_SELECTOR].attr),
+ size_hint);
+ return *subc != NULL;
+}
+
+UPB_INLINE size_t upb_bytessink_putbuf(upb_bytessink *s, void *subc,
+ const char *buf, size_t size,
+ const upb_bufhandle* handle) {
+ typedef upb_string_handlerfunc func;
+ func *putbuf;
+ if (!s->handler) return true;
+ putbuf = (func *)s->handler->table[UPB_STRING_SELECTOR].func;
+
+ if (!putbuf) return true;
+ return putbuf(subc, upb_handlerattr_handlerdata(
+ &s->handler->table[UPB_STRING_SELECTOR].attr),
+ buf, size, handle);
+}
+
+UPB_INLINE bool upb_bytessink_end(upb_bytessink *s) {
+ typedef upb_endfield_handlerfunc func;
+ func *end;
+ if (!s->handler) return true;
+ end = (func *)s->handler->table[UPB_ENDSTR_SELECTOR].func;
+
+ if (!end) return true;
+ return end(s->closure,
+ upb_handlerattr_handlerdata(
+ &s->handler->table[UPB_ENDSTR_SELECTOR].attr));
+}
+
+UPB_INLINE bool upb_bufsrc_putbuf(const char *buf, size_t len,
+ upb_bytessink *sink) {
+ void *subc;
+ bool ret;
+ upb_bufhandle handle;
+ upb_bufhandle_init(&handle);
+ upb_bufhandle_setbuf(&handle, buf, 0);
+ ret = upb_bytessink_start(sink, len, &subc);
+ if (ret && len != 0) {
+ ret = (upb_bytessink_putbuf(sink, subc, buf, len, &handle) >= len);
+ }
+ if (ret) {
+ ret = upb_bytessink_end(sink);
+ }
+ upb_bufhandle_uninit(&handle);
+ return ret;
+}
+
+#define PUTVAL(type, ctype) \
+ UPB_INLINE bool upb_sink_put##type(upb_sink *s, upb_selector_t sel, \
+ ctype val) { \
+ typedef upb_##type##_handlerfunc functype; \
+ functype *func; \
+ const void *hd; \
+ if (!s->handlers) return true; \
+ func = (functype *)upb_handlers_gethandler(s->handlers, sel); \
+ if (!func) return true; \
+ hd = upb_handlers_gethandlerdata(s->handlers, sel); \
+ return func(s->closure, hd, val); \
+ }
+
+PUTVAL(int32, int32_t)
+PUTVAL(int64, int64_t)
+PUTVAL(uint32, uint32_t)
+PUTVAL(uint64, uint64_t)
+PUTVAL(float, float)
+PUTVAL(double, double)
+PUTVAL(bool, bool)
+#undef PUTVAL
+
+UPB_INLINE void upb_sink_reset(upb_sink *s, const upb_handlers *h, void *c) {
+ s->handlers = h;
+ s->closure = c;
+}
+
+UPB_INLINE size_t upb_sink_putstring(upb_sink *s, upb_selector_t sel,
+ const char *buf, size_t n,
+ const upb_bufhandle *handle) {
+ typedef upb_string_handlerfunc func;
+ func *handler;
+ const void *hd;
+ if (!s->handlers) return n;
+ handler = (func *)upb_handlers_gethandler(s->handlers, sel);
+
+ if (!handler) return n;
+ hd = upb_handlers_gethandlerdata(s->handlers, sel);
+ return handler(s->closure, hd, buf, n, handle);
+}
+
+UPB_INLINE bool upb_sink_startmsg(upb_sink *s) {
+ typedef upb_startmsg_handlerfunc func;
+ func *startmsg;
+ const void *hd;
+ if (!s->handlers) return true;
+ startmsg = (func*)upb_handlers_gethandler(s->handlers, UPB_STARTMSG_SELECTOR);
+
+ if (!startmsg) return true;
+ hd = upb_handlers_gethandlerdata(s->handlers, UPB_STARTMSG_SELECTOR);
+ return startmsg(s->closure, hd);
+}
+
+UPB_INLINE bool upb_sink_endmsg(upb_sink *s, upb_status *status) {
+ typedef upb_endmsg_handlerfunc func;
+ func *endmsg;
+ const void *hd;
+ if (!s->handlers) return true;
+ endmsg = (func *)upb_handlers_gethandler(s->handlers, UPB_ENDMSG_SELECTOR);
+
+ if (!endmsg) return true;
+ hd = upb_handlers_gethandlerdata(s->handlers, UPB_ENDMSG_SELECTOR);
+ return endmsg(s->closure, hd, status);
+}
+
+UPB_INLINE bool upb_sink_startseq(upb_sink *s, upb_selector_t sel,
+ upb_sink *sub) {
+ typedef upb_startfield_handlerfunc func;
+ func *startseq;
+ const void *hd;
+ sub->closure = s->closure;
+ sub->handlers = s->handlers;
+ if (!s->handlers) return true;
+ startseq = (func*)upb_handlers_gethandler(s->handlers, sel);
+
+ if (!startseq) return true;
+ hd = upb_handlers_gethandlerdata(s->handlers, sel);
+ sub->closure = startseq(s->closure, hd);
+ return sub->closure ? true : false;
+}
+
+UPB_INLINE bool upb_sink_endseq(upb_sink *s, upb_selector_t sel) {
+ typedef upb_endfield_handlerfunc func;
+ func *endseq;
+ const void *hd;
+ if (!s->handlers) return true;
+ endseq = (func*)upb_handlers_gethandler(s->handlers, sel);
+
+ if (!endseq) return true;
+ hd = upb_handlers_gethandlerdata(s->handlers, sel);
+ return endseq(s->closure, hd);
+}
+
+UPB_INLINE bool upb_sink_startstr(upb_sink *s, upb_selector_t sel,
+ size_t size_hint, upb_sink *sub) {
+ typedef upb_startstr_handlerfunc func;
+ func *startstr;
+ const void *hd;
+ sub->closure = s->closure;
+ sub->handlers = s->handlers;
+ if (!s->handlers) return true;
+ startstr = (func*)upb_handlers_gethandler(s->handlers, sel);
+
+ if (!startstr) return true;
+ hd = upb_handlers_gethandlerdata(s->handlers, sel);
+ sub->closure = startstr(s->closure, hd, size_hint);
+ return sub->closure ? true : false;
+}
+
+UPB_INLINE bool upb_sink_endstr(upb_sink *s, upb_selector_t sel) {
+ typedef upb_endfield_handlerfunc func;
+ func *endstr;
+ const void *hd;
+ if (!s->handlers) return true;
+ endstr = (func*)upb_handlers_gethandler(s->handlers, sel);
+
+ if (!endstr) return true;
+ hd = upb_handlers_gethandlerdata(s->handlers, sel);
+ return endstr(s->closure, hd);
+}
+
+UPB_INLINE bool upb_sink_startsubmsg(upb_sink *s, upb_selector_t sel,
+ upb_sink *sub) {
+ typedef upb_startfield_handlerfunc func;
+ func *startsubmsg;
+ const void *hd;
+ sub->closure = s->closure;
+ if (!s->handlers) {
+ sub->handlers = NULL;
+ return true;
+ }
+ sub->handlers = upb_handlers_getsubhandlers_sel(s->handlers, sel);
+ startsubmsg = (func*)upb_handlers_gethandler(s->handlers, sel);
+
+ if (!startsubmsg) return true;
+ hd = upb_handlers_gethandlerdata(s->handlers, sel);
+ sub->closure = startsubmsg(s->closure, hd);
+ return sub->closure ? true : false;
+}
+
+UPB_INLINE bool upb_sink_endsubmsg(upb_sink *s, upb_selector_t sel) {
+ typedef upb_endfield_handlerfunc func;
+ func *endsubmsg;
+ const void *hd;
+ if (!s->handlers) return true;
+ endsubmsg = (func*)upb_handlers_gethandler(s->handlers, sel);
+
+ if (!endsubmsg) return s->closure;
+ hd = upb_handlers_gethandlerdata(s->handlers, sel);
+ return endsubmsg(s->closure, hd);
+}
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+namespace upb {
+
+template <class T> Sink::Sink(const Handlers* handlers, T* closure) {
+ upb_sink_reset(this, handlers, closure);
+}
+template <class T>
+inline void Sink::Reset(const Handlers* handlers, T* closure) {
+ upb_sink_reset(this, handlers, closure);
+}
+inline bool Sink::StartMessage() {
+ return upb_sink_startmsg(this);
+}
+inline bool Sink::EndMessage(Status* status) {
+ return upb_sink_endmsg(this, status);
+}
+inline bool Sink::PutInt32(Handlers::Selector sel, int32_t val) {
+ return upb_sink_putint32(this, sel, val);
+}
+inline bool Sink::PutInt64(Handlers::Selector sel, int64_t val) {
+ return upb_sink_putint64(this, sel, val);
+}
+inline bool Sink::PutUInt32(Handlers::Selector sel, uint32_t val) {
+ return upb_sink_putuint32(this, sel, val);
+}
+inline bool Sink::PutUInt64(Handlers::Selector sel, uint64_t val) {
+ return upb_sink_putuint64(this, sel, val);
+}
+inline bool Sink::PutFloat(Handlers::Selector sel, float val) {
+ return upb_sink_putfloat(this, sel, val);
+}
+inline bool Sink::PutDouble(Handlers::Selector sel, double val) {
+ return upb_sink_putdouble(this, sel, val);
+}
+inline bool Sink::PutBool(Handlers::Selector sel, bool val) {
+ return upb_sink_putbool(this, sel, val);
+}
+inline bool Sink::StartString(Handlers::Selector sel, size_t size_hint,
+ Sink *sub) {
+ return upb_sink_startstr(this, sel, size_hint, sub);
+}
+inline size_t Sink::PutStringBuffer(Handlers::Selector sel, const char *buf,
+ size_t len, const BufferHandle* handle) {
+ return upb_sink_putstring(this, sel, buf, len, handle);
+}
+inline bool Sink::EndString(Handlers::Selector sel) {
+ return upb_sink_endstr(this, sel);
+}
+inline bool Sink::StartSubMessage(Handlers::Selector sel, Sink* sub) {
+ return upb_sink_startsubmsg(this, sel, sub);
+}
+inline bool Sink::EndSubMessage(Handlers::Selector sel) {
+ return upb_sink_endsubmsg(this, sel);
+}
+inline bool Sink::StartSequence(Handlers::Selector sel, Sink* sub) {
+ return upb_sink_startseq(this, sel, sub);
+}
+inline bool Sink::EndSequence(Handlers::Selector sel) {
+ return upb_sink_endseq(this, sel);
+}
+
+template <class T>
+BytesSink::BytesSink(const BytesHandler* handler, T* closure) {
+ Reset(handler, closure);
+}
+
+template <class T>
+void BytesSink::Reset(const BytesHandler *handler, T *closure) {
+ upb_bytessink_reset(this, handler, closure);
+}
+inline bool BytesSink::Start(size_t size_hint, void **subc) {
+ return upb_bytessink_start(this, size_hint, subc);
+}
+inline size_t BytesSink::PutBuffer(void *subc, const char *buf, size_t len,
+ const BufferHandle *handle) {
+ return upb_bytessink_putbuf(this, subc, buf, len, handle);
+}
+inline bool BytesSink::End() {
+ return upb_bytessink_end(this);
+}
+
+inline bool BufferSource::PutBuffer(const char *buf, size_t len,
+ BytesSink *sink) {
+ return upb_bufsrc_putbuf(buf, len, sink);
+}
+
+} /* namespace upb */
+#endif
+
+#endif
+/*
+** For handlers that do very tiny, very simple operations, the function call
+** overhead of calling a handler can be significant. This file allows the
+** user to define handlers that do something very simple like store the value
+** to memory and/or set a hasbit. JIT compilers can then special-case these
+** handlers and emit specialized code for them instead of actually calling the
+** handler.
+**
+** The functionality is very simple/limited right now but may expand to be able
+** to call another function.
+*/
+
+#ifndef UPB_SHIM_H
+#define UPB_SHIM_H
+
+
+typedef struct {
+ size_t offset;
+ int32_t hasbit;
+} upb_shim_data;
+
+#ifdef __cplusplus
+
+namespace upb {
+
+struct Shim {
+ typedef upb_shim_data Data;
+
+ /* Sets a handler for the given field that writes the value to the given
+ * offset and, if hasbit >= 0, sets a bit at the given bit offset. Returns
+ * true if the handler was set successfully. */
+ static bool Set(Handlers *h, const FieldDef *f, size_t ofs, int32_t hasbit);
+
+ /* If this handler is a shim, returns the corresponding upb::Shim::Data and
+ * stores the type in "type". Otherwise returns NULL. */
+ static const Data* GetData(const Handlers* h, Handlers::Selector s,
+ FieldDef::Type* type);
+};
+
+} /* namespace upb */
+
+#endif
+
+UPB_BEGIN_EXTERN_C
+
+/* C API. */
+bool upb_shim_set(upb_handlers *h, const upb_fielddef *f, size_t offset,
+ int32_t hasbit);
+const upb_shim_data *upb_shim_getdata(const upb_handlers *h, upb_selector_t s,
+ upb_fieldtype_t *type);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+/* C++ Wrappers. */
+namespace upb {
+inline bool Shim::Set(Handlers* h, const FieldDef* f, size_t ofs,
+ int32_t hasbit) {
+ return upb_shim_set(h, f, ofs, hasbit);
+}
+inline const Shim::Data* Shim::GetData(const Handlers* h, Handlers::Selector s,
+ FieldDef::Type* type) {
+ return upb_shim_getdata(h, s, type);
+}
+} /* namespace upb */
+#endif
+
+#endif /* UPB_SHIM_H */
+/*
+** upb::SymbolTable (upb_symtab)
+**
+** A symtab (symbol table) stores a name->def map of upb_defs. Clients could
+** always create such tables themselves, but upb_symtab has logic for resolving
+** symbolic references, and in particular, for keeping a whole set of consistent
+** defs when replacing some subset of those defs. This logic is nontrivial.
+**
+** This is a mixed C/C++ interface that offers a full API to both languages.
+** See the top-level README for more information.
+*/
+
+#ifndef UPB_SYMTAB_H_
+#define UPB_SYMTAB_H_
+
+
+#ifdef __cplusplus
+#include <vector>
+namespace upb { class SymbolTable; }
+#endif
+
+UPB_DECLARE_DERIVED_TYPE(upb::SymbolTable, upb::RefCounted,
+ upb_symtab, upb_refcounted)
+
+typedef struct {
+ UPB_PRIVATE_FOR_CPP
+ upb_strtable_iter iter;
+ upb_deftype_t type;
+} upb_symtab_iter;
+
+#ifdef __cplusplus
+
+/* Non-const methods in upb::SymbolTable are NOT thread-safe. */
+class upb::SymbolTable {
+ public:
+ /* Returns a new symbol table with a single ref owned by "owner."
+ * Returns NULL if memory allocation failed. */
+ static reffed_ptr<SymbolTable> New();
+
+ /* Include RefCounted base methods. */
+ UPB_REFCOUNTED_CPPMETHODS
+
+ /* For all lookup functions, the returned pointer is not owned by the
+ * caller; it may be invalidated by any non-const call or unref of the
+ * SymbolTable! To protect against this, take a ref if desired. */
+
+ /* Freezes the symbol table: prevents further modification of it.
+ * After the Freeze() operation is successful, the SymbolTable must only be
+ * accessed via a const pointer.
+ *
+ * Unlike with upb::MessageDef/upb::EnumDef/etc, freezing a SymbolTable is not
+ * a necessary step in using a SymbolTable. If you have no need for it to be
+ * immutable, there is no need to freeze it ever. However sometimes it is
+ * useful, and SymbolTables that are statically compiled into the binary are
+ * always frozen by nature. */
+ void Freeze();
+
+ /* Resolves the given symbol using the rules described in descriptor.proto,
+ * namely:
+ *
+ * If the name starts with a '.', it is fully-qualified. Otherwise,
+ * C++-like scoping rules are used to find the type (i.e. first the nested
+ * types within this message are searched, then within the parent, on up
+ * to the root namespace).
+ *
+ * If not found, returns NULL. */
+ const Def* Resolve(const char* base, const char* sym) const;
+
+ /* Finds an entry in the symbol table with this exact name. If not found,
+ * returns NULL. */
+ const Def* Lookup(const char *sym) const;
+ const MessageDef* LookupMessage(const char *sym) const;
+ const EnumDef* LookupEnum(const char *sym) const;
+
+ /* TODO: introduce a C++ iterator, but make it nice and templated so that if
+ * you ask for an iterator of MessageDef the iterated elements are strongly
+ * typed as MessageDef*. */
+
+ /* Adds the given mutable defs to the symtab, resolving all symbols
+ * (including enum default values) and finalizing the defs. Only one def per
+ * name may be in the list, but defs can replace existing defs in the symtab.
+ * All defs must have a name -- anonymous defs are not allowed. Anonymous
+ * defs can still be frozen by calling upb_def_freeze() directly.
+ *
+ * Any existing defs that can reach defs that are being replaced will
+ * themselves be replaced also, so that the resulting set of defs is fully
+ * consistent.
+ *
+ * This logic implemented in this method is a convenience; ultimately it
+ * calls some combination of upb_fielddef_setsubdef(), upb_def_dup(), and
+ * upb_freeze(), any of which the client could call themself. However, since
+ * the logic for doing so is nontrivial, we provide it here.
+ *
+ * The entire operation either succeeds or fails. If the operation fails,
+ * the symtab is unchanged, false is returned, and status indicates the
+ * error. The caller passes a ref on all defs to the symtab (even if the
+ * operation fails).
+ *
+ * TODO(haberman): currently failure will leave the symtab unchanged, but may
+ * leave the defs themselves partially resolved. Does this matter? If so we
+ * could do a prepass that ensures that all symbols are resolvable and bail
+ * if not, so we don't mutate anything until we know the operation will
+ * succeed.
+ *
+ * TODO(haberman): since the defs must be mutable, refining a frozen def
+ * requires making mutable copies of the entire tree. This is wasteful if
+ * only a few messages are changing. We may want to add a way of adding a
+ * tree of frozen defs to the symtab (perhaps an alternate constructor where
+ * you pass the root of the tree?) */
+ bool Add(Def*const* defs, int n, void* ref_donor, upb_status* status);
+
+ bool Add(const std::vector<Def*>& defs, void *owner, Status* status) {
+ return Add((Def*const*)&defs[0], defs.size(), owner, status);
+ }
+
+ private:
+ UPB_DISALLOW_POD_OPS(SymbolTable, upb::SymbolTable)
+};
+
+#endif /* __cplusplus */
+
+UPB_BEGIN_EXTERN_C
+
+/* Native C API. */
+
+/* Include refcounted methods like upb_symtab_ref(). */
+UPB_REFCOUNTED_CMETHODS(upb_symtab, upb_symtab_upcast)
+
+upb_symtab *upb_symtab_new(const void *owner);
+void upb_symtab_freeze(upb_symtab *s);
+const upb_def *upb_symtab_resolve(const upb_symtab *s, const char *base,
+ const char *sym);
+const upb_def *upb_symtab_lookup(const upb_symtab *s, const char *sym);
+const upb_msgdef *upb_symtab_lookupmsg(const upb_symtab *s, const char *sym);
+const upb_enumdef *upb_symtab_lookupenum(const upb_symtab *s, const char *sym);
+bool upb_symtab_add(upb_symtab *s, upb_def *const*defs, int n, void *ref_donor,
+ upb_status *status);
+
+/* upb_symtab_iter i;
+ * for(upb_symtab_begin(&i, s, type); !upb_symtab_done(&i);
+ * upb_symtab_next(&i)) {
+ * const upb_def *def = upb_symtab_iter_def(&i);
+ * // ...
+ * }
+ *
+ * For C we don't have separate iterators for const and non-const.
+ * It is the caller's responsibility to cast the upb_fielddef* to
+ * const if the upb_msgdef* is const. */
+void upb_symtab_begin(upb_symtab_iter *iter, const upb_symtab *s,
+ upb_deftype_t type);
+void upb_symtab_next(upb_symtab_iter *iter);
+bool upb_symtab_done(const upb_symtab_iter *iter);
+const upb_def *upb_symtab_iter_def(const upb_symtab_iter *iter);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+/* C++ inline wrappers. */
+namespace upb {
+inline reffed_ptr<SymbolTable> SymbolTable::New() {
+ upb_symtab *s = upb_symtab_new(&s);
+ return reffed_ptr<SymbolTable>(s, &s);
+}
+
+inline void SymbolTable::Freeze() {
+ return upb_symtab_freeze(this);
+}
+inline const Def *SymbolTable::Resolve(const char *base,
+ const char *sym) const {
+ return upb_symtab_resolve(this, base, sym);
+}
+inline const Def* SymbolTable::Lookup(const char *sym) const {
+ return upb_symtab_lookup(this, sym);
+}
+inline const MessageDef *SymbolTable::LookupMessage(const char *sym) const {
+ return upb_symtab_lookupmsg(this, sym);
+}
+inline bool SymbolTable::Add(
+ Def*const* defs, int n, void* ref_donor, upb_status* status) {
+ return upb_symtab_add(this, (upb_def*const*)defs, n, ref_donor, status);
+}
+} /* namespace upb */
+#endif
+
+#endif /* UPB_SYMTAB_H_ */
+/*
+** upb::descriptor::Reader (upb_descreader)
+**
+** Provides a way of building upb::Defs from data in descriptor.proto format.
+*/
+
+#ifndef UPB_DESCRIPTOR_H
+#define UPB_DESCRIPTOR_H
+
+
+#ifdef __cplusplus
+namespace upb {
+namespace descriptor {
+class Reader;
+} /* namespace descriptor */
+} /* namespace upb */
+#endif
+
+UPB_DECLARE_TYPE(upb::descriptor::Reader, upb_descreader)
+
+#ifdef __cplusplus
+
+/* Class that receives descriptor data according to the descriptor.proto schema
+ * and use it to build upb::Defs corresponding to that schema. */
+class upb::descriptor::Reader {
+ public:
+ /* These handlers must have come from NewHandlers() and must outlive the
+ * Reader.
+ *
+ * TODO: generate the handlers statically (like we do with the
+ * descriptor.proto defs) so that there is no need to pass this parameter (or
+ * to build/memory-manage the handlers at runtime at all). Unfortunately this
+ * is a bit tricky to implement for Handlers, but necessary to simplify this
+ * interface. */
+ static Reader* Create(Environment* env, const Handlers* handlers);
+
+ /* The reader's input; this is where descriptor.proto data should be sent. */
+ Sink* input();
+
+ /* Returns an array of all defs that have been parsed, and transfers ownership
+ * of them to "owner". The number of defs is stored in *n. Ownership of the
+ * returned array is retained and is invalidated by any other call into
+ * Reader.
+ *
+ * These defs are not frozen or resolved; they are ready to be added to a
+ * symtab. */
+ upb::Def** GetDefs(void* owner, int* n);
+
+ /* Builds and returns handlers for the reader, owned by "owner." */
+ static Handlers* NewHandlers(const void* owner);
+
+ private:
+ UPB_DISALLOW_POD_OPS(Reader, upb::descriptor::Reader)
+};
+
+#endif
+
+UPB_BEGIN_EXTERN_C
+
+/* C API. */
+upb_descreader *upb_descreader_create(upb_env *e, const upb_handlers *h);
+upb_sink *upb_descreader_input(upb_descreader *r);
+upb_def **upb_descreader_getdefs(upb_descreader *r, void *owner, int *n);
+const upb_handlers *upb_descreader_newhandlers(const void *owner);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+/* C++ implementation details. ************************************************/
+namespace upb {
+namespace descriptor {
+inline Reader* Reader::Create(Environment* e, const Handlers *h) {
+ return upb_descreader_create(e, h);
+}
+inline Sink* Reader::input() { return upb_descreader_input(this); }
+inline upb::Def** Reader::GetDefs(void* owner, int* n) {
+ return upb_descreader_getdefs(this, owner, n);
+}
+} /* namespace descriptor */
+} /* namespace upb */
+#endif
+
+#endif /* UPB_DESCRIPTOR_H */
+/* This file contains accessors for a set of compiled-in defs.
+ * Note that unlike Google's protobuf, it does *not* define
+ * generated classes or any other kind of data structure for
+ * actually storing protobufs. It only contains *defs* which
+ * let you reflect over a protobuf *schema*.
+ */
+/* This file was generated by upbc (the upb compiler).
+ * Do not edit -- your changes will be discarded when the file is
+ * regenerated. */
+
+#ifndef GOOGLE_PROTOBUF_DESCRIPTOR_UPB_H_
+#define GOOGLE_PROTOBUF_DESCRIPTOR_UPB_H_
+
+
+#ifdef __cplusplus
+UPB_BEGIN_EXTERN_C
+#endif
+
+/* Enums */
+
+typedef enum {
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_LABEL_OPTIONAL = 1,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_LABEL_REQUIRED = 2,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_LABEL_REPEATED = 3
+} google_protobuf_FieldDescriptorProto_Label;
+
+typedef enum {
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_DOUBLE = 1,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_FLOAT = 2,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_INT64 = 3,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_UINT64 = 4,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_INT32 = 5,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_FIXED64 = 6,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_FIXED32 = 7,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_BOOL = 8,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_STRING = 9,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_GROUP = 10,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_MESSAGE = 11,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_BYTES = 12,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_UINT32 = 13,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_ENUM = 14,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_SFIXED32 = 15,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_SFIXED64 = 16,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_SINT32 = 17,
+ GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_SINT64 = 18
+} google_protobuf_FieldDescriptorProto_Type;
+
+typedef enum {
+ GOOGLE_PROTOBUF_FIELDOPTIONS_STRING = 0,
+ GOOGLE_PROTOBUF_FIELDOPTIONS_CORD = 1,
+ GOOGLE_PROTOBUF_FIELDOPTIONS_STRING_PIECE = 2
+} google_protobuf_FieldOptions_CType;
+
+typedef enum {
+ GOOGLE_PROTOBUF_FILEOPTIONS_SPEED = 1,
+ GOOGLE_PROTOBUF_FILEOPTIONS_CODE_SIZE = 2,
+ GOOGLE_PROTOBUF_FILEOPTIONS_LITE_RUNTIME = 3
+} google_protobuf_FileOptions_OptimizeMode;
+
+/* Selectors */
+
+/* google.protobuf.DescriptorProto */
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_FIELD_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_NESTED_TYPE_STARTSUBMSG 3
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_ENUM_TYPE_STARTSUBMSG 4
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSION_RANGE_STARTSUBMSG 5
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSION_STARTSUBMSG 6
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_OPTIONS_STARTSUBMSG 7
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_FIELD_STARTSEQ 8
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_FIELD_ENDSEQ 9
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_FIELD_ENDSUBMSG 10
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_NESTED_TYPE_STARTSEQ 11
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_NESTED_TYPE_ENDSEQ 12
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_NESTED_TYPE_ENDSUBMSG 13
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_ENUM_TYPE_STARTSEQ 14
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_ENUM_TYPE_ENDSEQ 15
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_ENUM_TYPE_ENDSUBMSG 16
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSION_RANGE_STARTSEQ 17
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSION_RANGE_ENDSEQ 18
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSION_RANGE_ENDSUBMSG 19
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSION_STARTSEQ 20
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSION_ENDSEQ 21
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSION_ENDSUBMSG 22
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_OPTIONS_ENDSUBMSG 23
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_NAME_STRING 24
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_NAME_STARTSTR 25
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_NAME_ENDSTR 26
+
+/* google.protobuf.DescriptorProto.ExtensionRange */
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSIONRANGE_START_INT32 2
+#define SEL_GOOGLE_PROTOBUF_DESCRIPTORPROTO_EXTENSIONRANGE_END_INT32 3
+
+/* google.protobuf.EnumDescriptorProto */
+#define SEL_GOOGLE_PROTOBUF_ENUMDESCRIPTORPROTO_VALUE_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_ENUMDESCRIPTORPROTO_OPTIONS_STARTSUBMSG 3
+#define SEL_GOOGLE_PROTOBUF_ENUMDESCRIPTORPROTO_VALUE_STARTSEQ 4
+#define SEL_GOOGLE_PROTOBUF_ENUMDESCRIPTORPROTO_VALUE_ENDSEQ 5
+#define SEL_GOOGLE_PROTOBUF_ENUMDESCRIPTORPROTO_VALUE_ENDSUBMSG 6
+#define SEL_GOOGLE_PROTOBUF_ENUMDESCRIPTORPROTO_OPTIONS_ENDSUBMSG 7
+#define SEL_GOOGLE_PROTOBUF_ENUMDESCRIPTORPROTO_NAME_STRING 8
+#define SEL_GOOGLE_PROTOBUF_ENUMDESCRIPTORPROTO_NAME_STARTSTR 9
+#define SEL_GOOGLE_PROTOBUF_ENUMDESCRIPTORPROTO_NAME_ENDSTR 10
+
+/* google.protobuf.EnumOptions */
+#define SEL_GOOGLE_PROTOBUF_ENUMOPTIONS_UNINTERPRETED_OPTION_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_ENUMOPTIONS_UNINTERPRETED_OPTION_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_ENUMOPTIONS_UNINTERPRETED_OPTION_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_ENUMOPTIONS_UNINTERPRETED_OPTION_ENDSUBMSG 5
+#define SEL_GOOGLE_PROTOBUF_ENUMOPTIONS_ALLOW_ALIAS_BOOL 6
+
+/* google.protobuf.EnumValueDescriptorProto */
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEDESCRIPTORPROTO_OPTIONS_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEDESCRIPTORPROTO_OPTIONS_ENDSUBMSG 3
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEDESCRIPTORPROTO_NAME_STRING 4
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEDESCRIPTORPROTO_NAME_STARTSTR 5
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEDESCRIPTORPROTO_NAME_ENDSTR 6
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEDESCRIPTORPROTO_NUMBER_INT32 7
+
+/* google.protobuf.EnumValueOptions */
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEOPTIONS_UNINTERPRETED_OPTION_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEOPTIONS_UNINTERPRETED_OPTION_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEOPTIONS_UNINTERPRETED_OPTION_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_ENUMVALUEOPTIONS_UNINTERPRETED_OPTION_ENDSUBMSG 5
+
+/* google.protobuf.FieldDescriptorProto */
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_OPTIONS_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_OPTIONS_ENDSUBMSG 3
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_NAME_STRING 4
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_NAME_STARTSTR 5
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_NAME_ENDSTR 6
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_EXTENDEE_STRING 7
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_EXTENDEE_STARTSTR 8
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_EXTENDEE_ENDSTR 9
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_NUMBER_INT32 10
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_LABEL_INT32 11
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_INT32 12
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_NAME_STRING 13
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_NAME_STARTSTR 14
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_NAME_ENDSTR 15
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_DEFAULT_VALUE_STRING 16
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_DEFAULT_VALUE_STARTSTR 17
+#define SEL_GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_DEFAULT_VALUE_ENDSTR 18
+
+/* google.protobuf.FieldOptions */
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_UNINTERPRETED_OPTION_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_UNINTERPRETED_OPTION_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_UNINTERPRETED_OPTION_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_UNINTERPRETED_OPTION_ENDSUBMSG 5
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_CTYPE_INT32 6
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_PACKED_BOOL 7
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_DEPRECATED_BOOL 8
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_LAZY_BOOL 9
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_EXPERIMENTAL_MAP_KEY_STRING 10
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_EXPERIMENTAL_MAP_KEY_STARTSTR 11
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_EXPERIMENTAL_MAP_KEY_ENDSTR 12
+#define SEL_GOOGLE_PROTOBUF_FIELDOPTIONS_WEAK_BOOL 13
+
+/* google.protobuf.FileDescriptorProto */
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_MESSAGE_TYPE_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_ENUM_TYPE_STARTSUBMSG 3
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_SERVICE_STARTSUBMSG 4
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_EXTENSION_STARTSUBMSG 5
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_OPTIONS_STARTSUBMSG 6
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_SOURCE_CODE_INFO_STARTSUBMSG 7
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_MESSAGE_TYPE_STARTSEQ 8
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_MESSAGE_TYPE_ENDSEQ 9
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_MESSAGE_TYPE_ENDSUBMSG 10
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_ENUM_TYPE_STARTSEQ 11
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_ENUM_TYPE_ENDSEQ 12
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_ENUM_TYPE_ENDSUBMSG 13
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_SERVICE_STARTSEQ 14
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_SERVICE_ENDSEQ 15
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_SERVICE_ENDSUBMSG 16
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_EXTENSION_STARTSEQ 17
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_EXTENSION_ENDSEQ 18
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_EXTENSION_ENDSUBMSG 19
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_OPTIONS_ENDSUBMSG 20
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_SOURCE_CODE_INFO_ENDSUBMSG 21
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_NAME_STRING 22
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_NAME_STARTSTR 23
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_NAME_ENDSTR 24
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_PACKAGE_STRING 25
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_PACKAGE_STARTSTR 26
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_PACKAGE_ENDSTR 27
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_DEPENDENCY_STARTSEQ 28
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_DEPENDENCY_ENDSEQ 29
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_DEPENDENCY_STRING 30
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_DEPENDENCY_STARTSTR 31
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_DEPENDENCY_ENDSTR 32
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_PUBLIC_DEPENDENCY_STARTSEQ 33
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_PUBLIC_DEPENDENCY_ENDSEQ 34
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_PUBLIC_DEPENDENCY_INT32 35
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_WEAK_DEPENDENCY_STARTSEQ 36
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_WEAK_DEPENDENCY_ENDSEQ 37
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORPROTO_WEAK_DEPENDENCY_INT32 38
+
+/* google.protobuf.FileDescriptorSet */
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORSET_FILE_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORSET_FILE_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORSET_FILE_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_FILEDESCRIPTORSET_FILE_ENDSUBMSG 5
+
+/* google.protobuf.FileOptions */
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_UNINTERPRETED_OPTION_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_UNINTERPRETED_OPTION_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_UNINTERPRETED_OPTION_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_UNINTERPRETED_OPTION_ENDSUBMSG 5
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_JAVA_PACKAGE_STRING 6
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_JAVA_PACKAGE_STARTSTR 7
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_JAVA_PACKAGE_ENDSTR 8
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_JAVA_OUTER_CLASSNAME_STRING 9
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_JAVA_OUTER_CLASSNAME_STARTSTR 10
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_JAVA_OUTER_CLASSNAME_ENDSTR 11
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_OPTIMIZE_FOR_INT32 12
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_JAVA_MULTIPLE_FILES_BOOL 13
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_GO_PACKAGE_STRING 14
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_GO_PACKAGE_STARTSTR 15
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_GO_PACKAGE_ENDSTR 16
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_CC_GENERIC_SERVICES_BOOL 17
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_JAVA_GENERIC_SERVICES_BOOL 18
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_PY_GENERIC_SERVICES_BOOL 19
+#define SEL_GOOGLE_PROTOBUF_FILEOPTIONS_JAVA_GENERATE_EQUALS_AND_HASH_BOOL 20
+
+/* google.protobuf.MessageOptions */
+#define SEL_GOOGLE_PROTOBUF_MESSAGEOPTIONS_UNINTERPRETED_OPTION_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_MESSAGEOPTIONS_UNINTERPRETED_OPTION_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_MESSAGEOPTIONS_UNINTERPRETED_OPTION_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_MESSAGEOPTIONS_UNINTERPRETED_OPTION_ENDSUBMSG 5
+#define SEL_GOOGLE_PROTOBUF_MESSAGEOPTIONS_MESSAGE_SET_WIRE_FORMAT_BOOL 6
+#define SEL_GOOGLE_PROTOBUF_MESSAGEOPTIONS_NO_STANDARD_DESCRIPTOR_ACCESSOR_BOOL 7
+
+/* google.protobuf.MethodDescriptorProto */
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_OPTIONS_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_OPTIONS_ENDSUBMSG 3
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_NAME_STRING 4
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_NAME_STARTSTR 5
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_NAME_ENDSTR 6
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_INPUT_TYPE_STRING 7
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_INPUT_TYPE_STARTSTR 8
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_INPUT_TYPE_ENDSTR 9
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_OUTPUT_TYPE_STRING 10
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_OUTPUT_TYPE_STARTSTR 11
+#define SEL_GOOGLE_PROTOBUF_METHODDESCRIPTORPROTO_OUTPUT_TYPE_ENDSTR 12
+
+/* google.protobuf.MethodOptions */
+#define SEL_GOOGLE_PROTOBUF_METHODOPTIONS_UNINTERPRETED_OPTION_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_METHODOPTIONS_UNINTERPRETED_OPTION_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_METHODOPTIONS_UNINTERPRETED_OPTION_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_METHODOPTIONS_UNINTERPRETED_OPTION_ENDSUBMSG 5
+
+/* google.protobuf.ServiceDescriptorProto */
+#define SEL_GOOGLE_PROTOBUF_SERVICEDESCRIPTORPROTO_METHOD_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_SERVICEDESCRIPTORPROTO_OPTIONS_STARTSUBMSG 3
+#define SEL_GOOGLE_PROTOBUF_SERVICEDESCRIPTORPROTO_METHOD_STARTSEQ 4
+#define SEL_GOOGLE_PROTOBUF_SERVICEDESCRIPTORPROTO_METHOD_ENDSEQ 5
+#define SEL_GOOGLE_PROTOBUF_SERVICEDESCRIPTORPROTO_METHOD_ENDSUBMSG 6
+#define SEL_GOOGLE_PROTOBUF_SERVICEDESCRIPTORPROTO_OPTIONS_ENDSUBMSG 7
+#define SEL_GOOGLE_PROTOBUF_SERVICEDESCRIPTORPROTO_NAME_STRING 8
+#define SEL_GOOGLE_PROTOBUF_SERVICEDESCRIPTORPROTO_NAME_STARTSTR 9
+#define SEL_GOOGLE_PROTOBUF_SERVICEDESCRIPTORPROTO_NAME_ENDSTR 10
+
+/* google.protobuf.ServiceOptions */
+#define SEL_GOOGLE_PROTOBUF_SERVICEOPTIONS_UNINTERPRETED_OPTION_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_SERVICEOPTIONS_UNINTERPRETED_OPTION_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_SERVICEOPTIONS_UNINTERPRETED_OPTION_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_SERVICEOPTIONS_UNINTERPRETED_OPTION_ENDSUBMSG 5
+
+/* google.protobuf.SourceCodeInfo */
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_ENDSUBMSG 5
+
+/* google.protobuf.SourceCodeInfo.Location */
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_PATH_STARTSEQ 2
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_PATH_ENDSEQ 3
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_PATH_INT32 4
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_SPAN_STARTSEQ 5
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_SPAN_ENDSEQ 6
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_SPAN_INT32 7
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_LEADING_COMMENTS_STRING 8
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_LEADING_COMMENTS_STARTSTR 9
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_LEADING_COMMENTS_ENDSTR 10
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_TRAILING_COMMENTS_STRING 11
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_TRAILING_COMMENTS_STARTSTR 12
+#define SEL_GOOGLE_PROTOBUF_SOURCECODEINFO_LOCATION_TRAILING_COMMENTS_ENDSTR 13
+
+/* google.protobuf.UninterpretedOption */
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_NAME_STARTSUBMSG 2
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_NAME_STARTSEQ 3
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_NAME_ENDSEQ 4
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_NAME_ENDSUBMSG 5
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_IDENTIFIER_VALUE_STRING 6
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_IDENTIFIER_VALUE_STARTSTR 7
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_IDENTIFIER_VALUE_ENDSTR 8
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_POSITIVE_INT_VALUE_UINT64 9
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_NEGATIVE_INT_VALUE_INT64 10
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_DOUBLE_VALUE_DOUBLE 11
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_STRING_VALUE_STRING 12
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_STRING_VALUE_STARTSTR 13
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_STRING_VALUE_ENDSTR 14
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_AGGREGATE_VALUE_STRING 15
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_AGGREGATE_VALUE_STARTSTR 16
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_AGGREGATE_VALUE_ENDSTR 17
+
+/* google.protobuf.UninterpretedOption.NamePart */
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_NAMEPART_NAME_PART_STRING 2
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_NAMEPART_NAME_PART_STARTSTR 3
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_NAMEPART_NAME_PART_ENDSTR 4
+#define SEL_GOOGLE_PROTOBUF_UNINTERPRETEDOPTION_NAMEPART_IS_EXTENSION_BOOL 5
+
+const upb_symtab *upbdefs_google_protobuf_descriptor(const void *owner);
+
+/* MessageDefs */
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_DescriptorProto(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.DescriptorProto");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_DescriptorProto_ExtensionRange(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.DescriptorProto.ExtensionRange");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_EnumDescriptorProto(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.EnumDescriptorProto");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_EnumOptions(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.EnumOptions");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_EnumValueDescriptorProto(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.EnumValueDescriptorProto");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_EnumValueOptions(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.EnumValueOptions");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_FieldDescriptorProto(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.FieldDescriptorProto");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_FieldOptions(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.FieldOptions");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_FileDescriptorProto(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.FileDescriptorProto");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_FileDescriptorSet(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.FileDescriptorSet");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_FileOptions(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.FileOptions");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_MessageOptions(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.MessageOptions");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_MethodDescriptorProto(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.MethodDescriptorProto");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_MethodOptions(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.MethodOptions");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_ServiceDescriptorProto(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.ServiceDescriptorProto");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_ServiceOptions(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.ServiceOptions");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_SourceCodeInfo(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.SourceCodeInfo");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_SourceCodeInfo_Location(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.SourceCodeInfo.Location");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_UninterpretedOption(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.UninterpretedOption");
+ assert(m);
+ return m;
+}
+UPB_INLINE const upb_msgdef *upbdefs_google_protobuf_UninterpretedOption_NamePart(const upb_symtab *s) {
+ const upb_msgdef *m = upb_symtab_lookupmsg(s, "google.protobuf.UninterpretedOption.NamePart");
+ assert(m);
+ return m;
+}
+
+
+/* EnumDefs */
+UPB_INLINE const upb_enumdef *upbdefs_google_protobuf_FieldDescriptorProto_Label(const upb_symtab *s) {
+ const upb_enumdef *e = upb_symtab_lookupenum(s, "google.protobuf.FieldDescriptorProto.Label");
+ assert(e);
+ return e;
+}
+UPB_INLINE const upb_enumdef *upbdefs_google_protobuf_FieldDescriptorProto_Type(const upb_symtab *s) {
+ const upb_enumdef *e = upb_symtab_lookupenum(s, "google.protobuf.FieldDescriptorProto.Type");
+ assert(e);
+ return e;
+}
+UPB_INLINE const upb_enumdef *upbdefs_google_protobuf_FieldOptions_CType(const upb_symtab *s) {
+ const upb_enumdef *e = upb_symtab_lookupenum(s, "google.protobuf.FieldOptions.CType");
+ assert(e);
+ return e;
+}
+UPB_INLINE const upb_enumdef *upbdefs_google_protobuf_FileOptions_OptimizeMode(const upb_symtab *s) {
+ const upb_enumdef *e = upb_symtab_lookupenum(s, "google.protobuf.FileOptions.OptimizeMode");
+ assert(e);
+ return e;
+}
+
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_DescriptorProto_ExtensionRange_end(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_DescriptorProto_ExtensionRange(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_DescriptorProto_ExtensionRange_start(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_DescriptorProto_ExtensionRange(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_DescriptorProto_enum_type(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_DescriptorProto(s), 4); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_DescriptorProto_extension(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_DescriptorProto(s), 6); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_DescriptorProto_extension_range(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_DescriptorProto(s), 5); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_DescriptorProto_field(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_DescriptorProto(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_DescriptorProto_name(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_DescriptorProto(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_DescriptorProto_nested_type(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_DescriptorProto(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_DescriptorProto_options(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_DescriptorProto(s), 7); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_EnumDescriptorProto_name(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_EnumDescriptorProto(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_EnumDescriptorProto_options(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_EnumDescriptorProto(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_EnumDescriptorProto_value(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_EnumDescriptorProto(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_EnumOptions_allow_alias(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_EnumOptions(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_EnumOptions_uninterpreted_option(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_EnumOptions(s), 999); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_EnumValueDescriptorProto_name(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_EnumValueDescriptorProto(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_EnumValueDescriptorProto_number(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_EnumValueDescriptorProto(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_EnumValueDescriptorProto_options(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_EnumValueDescriptorProto(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_EnumValueOptions_uninterpreted_option(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_EnumValueOptions(s), 999); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldDescriptorProto_default_value(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldDescriptorProto(s), 7); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldDescriptorProto_extendee(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldDescriptorProto(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldDescriptorProto_label(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldDescriptorProto(s), 4); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldDescriptorProto_name(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldDescriptorProto(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldDescriptorProto_number(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldDescriptorProto(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldDescriptorProto_options(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldDescriptorProto(s), 8); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldDescriptorProto_type(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldDescriptorProto(s), 5); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldDescriptorProto_type_name(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldDescriptorProto(s), 6); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldOptions_ctype(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldOptions(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldOptions_deprecated(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldOptions(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldOptions_experimental_map_key(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldOptions(s), 9); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldOptions_lazy(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldOptions(s), 5); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldOptions_packed(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldOptions(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldOptions_uninterpreted_option(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldOptions(s), 999); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FieldOptions_weak(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FieldOptions(s), 10); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_dependency(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_enum_type(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 5); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_extension(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 7); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_message_type(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 4); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_name(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_options(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 8); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_package(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_public_dependency(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 10); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_service(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 6); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_source_code_info(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 9); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorProto_weak_dependency(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorProto(s), 11); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileDescriptorSet_file(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileDescriptorSet(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_cc_generic_services(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 16); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_go_package(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 11); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_java_generate_equals_and_hash(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 20); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_java_generic_services(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 17); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_java_multiple_files(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 10); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_java_outer_classname(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 8); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_java_package(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_optimize_for(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 9); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_py_generic_services(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 18); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_FileOptions_uninterpreted_option(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_FileOptions(s), 999); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_MessageOptions_message_set_wire_format(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_MessageOptions(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_MessageOptions_no_standard_descriptor_accessor(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_MessageOptions(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_MessageOptions_uninterpreted_option(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_MessageOptions(s), 999); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_MethodDescriptorProto_input_type(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_MethodDescriptorProto(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_MethodDescriptorProto_name(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_MethodDescriptorProto(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_MethodDescriptorProto_options(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_MethodDescriptorProto(s), 4); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_MethodDescriptorProto_output_type(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_MethodDescriptorProto(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_MethodOptions_uninterpreted_option(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_MethodOptions(s), 999); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_ServiceDescriptorProto_method(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_ServiceDescriptorProto(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_ServiceDescriptorProto_name(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_ServiceDescriptorProto(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_ServiceDescriptorProto_options(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_ServiceDescriptorProto(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_ServiceOptions_uninterpreted_option(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_ServiceOptions(s), 999); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_SourceCodeInfo_Location_leading_comments(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_SourceCodeInfo_Location(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_SourceCodeInfo_Location_path(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_SourceCodeInfo_Location(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_SourceCodeInfo_Location_span(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_SourceCodeInfo_Location(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_SourceCodeInfo_Location_trailing_comments(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_SourceCodeInfo_Location(s), 4); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_SourceCodeInfo_location(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_SourceCodeInfo(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_UninterpretedOption_NamePart_is_extension(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_UninterpretedOption_NamePart(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_UninterpretedOption_NamePart_name_part(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_UninterpretedOption_NamePart(s), 1); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_UninterpretedOption_aggregate_value(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_UninterpretedOption(s), 8); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_UninterpretedOption_double_value(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_UninterpretedOption(s), 6); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_UninterpretedOption_identifier_value(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_UninterpretedOption(s), 3); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_UninterpretedOption_name(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_UninterpretedOption(s), 2); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_UninterpretedOption_negative_int_value(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_UninterpretedOption(s), 5); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_UninterpretedOption_positive_int_value(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_UninterpretedOption(s), 4); }
+UPB_INLINE const upb_fielddef *upbdefs_google_protobuf_UninterpretedOption_string_value(const upb_symtab *s) { return upb_msgdef_itof(upbdefs_google_protobuf_UninterpretedOption(s), 7); }
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+namespace upbdefs {
+namespace google {
+namespace protobuf {
+namespace descriptor {
+inline upb::reffed_ptr<const upb::SymbolTable> SymbolTable() {
+ const upb::SymbolTable* s = upbdefs_google_protobuf_descriptor(&s);
+ return upb::reffed_ptr<const upb::SymbolTable>(s, &s);
+}
+} /* namespace descriptor */
+} /* namespace protobuf */
+} /* namespace google */
+
+#define RETURN_REFFED(type, func) \
+ const type* obj = func(upbdefs::google::protobuf::descriptor::SymbolTable().get()); \
+ return upb::reffed_ptr<const type>(obj);
+
+namespace google {
+namespace protobuf {
+namespace DescriptorProto {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_DescriptorProto) }
+inline upb::reffed_ptr<const upb::FieldDef> enum_type() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_DescriptorProto_enum_type) }
+inline upb::reffed_ptr<const upb::FieldDef> extension() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_DescriptorProto_extension) }
+inline upb::reffed_ptr<const upb::FieldDef> extension_range() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_DescriptorProto_extension_range) }
+inline upb::reffed_ptr<const upb::FieldDef> field() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_DescriptorProto_field) }
+inline upb::reffed_ptr<const upb::FieldDef> name() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_DescriptorProto_name) }
+inline upb::reffed_ptr<const upb::FieldDef> nested_type() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_DescriptorProto_nested_type) }
+inline upb::reffed_ptr<const upb::FieldDef> options() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_DescriptorProto_options) }
+} /* namespace DescriptorProto */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace DescriptorProto {
+namespace ExtensionRange {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_DescriptorProto_ExtensionRange) }
+inline upb::reffed_ptr<const upb::FieldDef> end() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_DescriptorProto_ExtensionRange_end) }
+inline upb::reffed_ptr<const upb::FieldDef> start() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_DescriptorProto_ExtensionRange_start) }
+} /* namespace ExtensionRange */
+} /* namespace DescriptorProto */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace EnumDescriptorProto {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_EnumDescriptorProto) }
+inline upb::reffed_ptr<const upb::FieldDef> name() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_EnumDescriptorProto_name) }
+inline upb::reffed_ptr<const upb::FieldDef> options() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_EnumDescriptorProto_options) }
+inline upb::reffed_ptr<const upb::FieldDef> value() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_EnumDescriptorProto_value) }
+} /* namespace EnumDescriptorProto */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace EnumOptions {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_EnumOptions) }
+inline upb::reffed_ptr<const upb::FieldDef> allow_alias() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_EnumOptions_allow_alias) }
+inline upb::reffed_ptr<const upb::FieldDef> uninterpreted_option() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_EnumOptions_uninterpreted_option) }
+} /* namespace EnumOptions */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace EnumValueDescriptorProto {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_EnumValueDescriptorProto) }
+inline upb::reffed_ptr<const upb::FieldDef> name() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_EnumValueDescriptorProto_name) }
+inline upb::reffed_ptr<const upb::FieldDef> number() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_EnumValueDescriptorProto_number) }
+inline upb::reffed_ptr<const upb::FieldDef> options() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_EnumValueDescriptorProto_options) }
+} /* namespace EnumValueDescriptorProto */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace EnumValueOptions {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_EnumValueOptions) }
+inline upb::reffed_ptr<const upb::FieldDef> uninterpreted_option() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_EnumValueOptions_uninterpreted_option) }
+} /* namespace EnumValueOptions */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace FieldDescriptorProto {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_FieldDescriptorProto) }
+inline upb::reffed_ptr<const upb::FieldDef> default_value() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldDescriptorProto_default_value) }
+inline upb::reffed_ptr<const upb::FieldDef> extendee() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldDescriptorProto_extendee) }
+inline upb::reffed_ptr<const upb::FieldDef> label() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldDescriptorProto_label) }
+inline upb::reffed_ptr<const upb::FieldDef> name() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldDescriptorProto_name) }
+inline upb::reffed_ptr<const upb::FieldDef> number() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldDescriptorProto_number) }
+inline upb::reffed_ptr<const upb::FieldDef> options() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldDescriptorProto_options) }
+inline upb::reffed_ptr<const upb::FieldDef> type() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldDescriptorProto_type) }
+inline upb::reffed_ptr<const upb::FieldDef> type_name() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldDescriptorProto_type_name) }
+inline upb::reffed_ptr<const upb::EnumDef> Label() { RETURN_REFFED(upb::EnumDef, upbdefs_google_protobuf_FieldDescriptorProto_Label) }
+inline upb::reffed_ptr<const upb::EnumDef> Type() { RETURN_REFFED(upb::EnumDef, upbdefs_google_protobuf_FieldDescriptorProto_Type) }
+} /* namespace FieldDescriptorProto */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace FieldOptions {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_FieldOptions) }
+inline upb::reffed_ptr<const upb::FieldDef> ctype() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldOptions_ctype) }
+inline upb::reffed_ptr<const upb::FieldDef> deprecated() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldOptions_deprecated) }
+inline upb::reffed_ptr<const upb::FieldDef> experimental_map_key() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldOptions_experimental_map_key) }
+inline upb::reffed_ptr<const upb::FieldDef> lazy() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldOptions_lazy) }
+inline upb::reffed_ptr<const upb::FieldDef> packed() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldOptions_packed) }
+inline upb::reffed_ptr<const upb::FieldDef> uninterpreted_option() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldOptions_uninterpreted_option) }
+inline upb::reffed_ptr<const upb::FieldDef> weak() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FieldOptions_weak) }
+inline upb::reffed_ptr<const upb::EnumDef> CType() { RETURN_REFFED(upb::EnumDef, upbdefs_google_protobuf_FieldOptions_CType) }
+} /* namespace FieldOptions */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace FileDescriptorProto {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_FileDescriptorProto) }
+inline upb::reffed_ptr<const upb::FieldDef> dependency() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_dependency) }
+inline upb::reffed_ptr<const upb::FieldDef> enum_type() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_enum_type) }
+inline upb::reffed_ptr<const upb::FieldDef> extension() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_extension) }
+inline upb::reffed_ptr<const upb::FieldDef> message_type() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_message_type) }
+inline upb::reffed_ptr<const upb::FieldDef> name() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_name) }
+inline upb::reffed_ptr<const upb::FieldDef> options() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_options) }
+inline upb::reffed_ptr<const upb::FieldDef> package() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_package) }
+inline upb::reffed_ptr<const upb::FieldDef> public_dependency() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_public_dependency) }
+inline upb::reffed_ptr<const upb::FieldDef> service() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_service) }
+inline upb::reffed_ptr<const upb::FieldDef> source_code_info() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_source_code_info) }
+inline upb::reffed_ptr<const upb::FieldDef> weak_dependency() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorProto_weak_dependency) }
+} /* namespace FileDescriptorProto */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace FileDescriptorSet {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_FileDescriptorSet) }
+inline upb::reffed_ptr<const upb::FieldDef> file() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileDescriptorSet_file) }
+} /* namespace FileDescriptorSet */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace FileOptions {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_FileOptions) }
+inline upb::reffed_ptr<const upb::FieldDef> cc_generic_services() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_cc_generic_services) }
+inline upb::reffed_ptr<const upb::FieldDef> go_package() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_go_package) }
+inline upb::reffed_ptr<const upb::FieldDef> java_generate_equals_and_hash() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_java_generate_equals_and_hash) }
+inline upb::reffed_ptr<const upb::FieldDef> java_generic_services() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_java_generic_services) }
+inline upb::reffed_ptr<const upb::FieldDef> java_multiple_files() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_java_multiple_files) }
+inline upb::reffed_ptr<const upb::FieldDef> java_outer_classname() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_java_outer_classname) }
+inline upb::reffed_ptr<const upb::FieldDef> java_package() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_java_package) }
+inline upb::reffed_ptr<const upb::FieldDef> optimize_for() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_optimize_for) }
+inline upb::reffed_ptr<const upb::FieldDef> py_generic_services() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_py_generic_services) }
+inline upb::reffed_ptr<const upb::FieldDef> uninterpreted_option() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_FileOptions_uninterpreted_option) }
+inline upb::reffed_ptr<const upb::EnumDef> OptimizeMode() { RETURN_REFFED(upb::EnumDef, upbdefs_google_protobuf_FileOptions_OptimizeMode) }
+} /* namespace FileOptions */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace MessageOptions {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_MessageOptions) }
+inline upb::reffed_ptr<const upb::FieldDef> message_set_wire_format() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_MessageOptions_message_set_wire_format) }
+inline upb::reffed_ptr<const upb::FieldDef> no_standard_descriptor_accessor() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_MessageOptions_no_standard_descriptor_accessor) }
+inline upb::reffed_ptr<const upb::FieldDef> uninterpreted_option() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_MessageOptions_uninterpreted_option) }
+} /* namespace MessageOptions */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace MethodDescriptorProto {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_MethodDescriptorProto) }
+inline upb::reffed_ptr<const upb::FieldDef> input_type() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_MethodDescriptorProto_input_type) }
+inline upb::reffed_ptr<const upb::FieldDef> name() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_MethodDescriptorProto_name) }
+inline upb::reffed_ptr<const upb::FieldDef> options() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_MethodDescriptorProto_options) }
+inline upb::reffed_ptr<const upb::FieldDef> output_type() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_MethodDescriptorProto_output_type) }
+} /* namespace MethodDescriptorProto */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace MethodOptions {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_MethodOptions) }
+inline upb::reffed_ptr<const upb::FieldDef> uninterpreted_option() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_MethodOptions_uninterpreted_option) }
+} /* namespace MethodOptions */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace ServiceDescriptorProto {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_ServiceDescriptorProto) }
+inline upb::reffed_ptr<const upb::FieldDef> method() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_ServiceDescriptorProto_method) }
+inline upb::reffed_ptr<const upb::FieldDef> name() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_ServiceDescriptorProto_name) }
+inline upb::reffed_ptr<const upb::FieldDef> options() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_ServiceDescriptorProto_options) }
+} /* namespace ServiceDescriptorProto */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace ServiceOptions {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_ServiceOptions) }
+inline upb::reffed_ptr<const upb::FieldDef> uninterpreted_option() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_ServiceOptions_uninterpreted_option) }
+} /* namespace ServiceOptions */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace SourceCodeInfo {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_SourceCodeInfo) }
+inline upb::reffed_ptr<const upb::FieldDef> location() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_SourceCodeInfo_location) }
+} /* namespace SourceCodeInfo */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace SourceCodeInfo {
+namespace Location {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_SourceCodeInfo_Location) }
+inline upb::reffed_ptr<const upb::FieldDef> leading_comments() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_SourceCodeInfo_Location_leading_comments) }
+inline upb::reffed_ptr<const upb::FieldDef> path() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_SourceCodeInfo_Location_path) }
+inline upb::reffed_ptr<const upb::FieldDef> span() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_SourceCodeInfo_Location_span) }
+inline upb::reffed_ptr<const upb::FieldDef> trailing_comments() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_SourceCodeInfo_Location_trailing_comments) }
+} /* namespace Location */
+} /* namespace SourceCodeInfo */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace UninterpretedOption {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_UninterpretedOption) }
+inline upb::reffed_ptr<const upb::FieldDef> aggregate_value() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_UninterpretedOption_aggregate_value) }
+inline upb::reffed_ptr<const upb::FieldDef> double_value() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_UninterpretedOption_double_value) }
+inline upb::reffed_ptr<const upb::FieldDef> identifier_value() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_UninterpretedOption_identifier_value) }
+inline upb::reffed_ptr<const upb::FieldDef> name() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_UninterpretedOption_name) }
+inline upb::reffed_ptr<const upb::FieldDef> negative_int_value() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_UninterpretedOption_negative_int_value) }
+inline upb::reffed_ptr<const upb::FieldDef> positive_int_value() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_UninterpretedOption_positive_int_value) }
+inline upb::reffed_ptr<const upb::FieldDef> string_value() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_UninterpretedOption_string_value) }
+} /* namespace UninterpretedOption */
+} /* namespace protobuf */
+} /* namespace google */
+
+namespace google {
+namespace protobuf {
+namespace UninterpretedOption {
+namespace NamePart {
+inline upb::reffed_ptr<const upb::MessageDef> MessageDef() { RETURN_REFFED(upb::MessageDef, upbdefs_google_protobuf_UninterpretedOption_NamePart) }
+inline upb::reffed_ptr<const upb::FieldDef> is_extension() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_UninterpretedOption_NamePart_is_extension) }
+inline upb::reffed_ptr<const upb::FieldDef> name_part() { RETURN_REFFED(upb::FieldDef, upbdefs_google_protobuf_UninterpretedOption_NamePart_name_part) }
+} /* namespace NamePart */
+} /* namespace UninterpretedOption */
+} /* namespace protobuf */
+} /* namespace google */
+
+} /* namespace upbdefs */
+
+
+#undef RETURN_REFFED
+#endif /* __cplusplus */
+
+#endif /* GOOGLE_PROTOBUF_DESCRIPTOR_UPB_H_ */
+/*
+** Internal-only definitions for the decoder.
+*/
+
+#ifndef UPB_DECODER_INT_H_
+#define UPB_DECODER_INT_H_
+
+#include <stdlib.h>
+/*
+** upb::pb::Decoder
+**
+** A high performance, streaming, resumable decoder for the binary protobuf
+** format.
+**
+** This interface works the same regardless of what decoder backend is being
+** used. A client of this class does not need to know whether decoding is using
+** a JITted decoder (DynASM, LLVM, etc) or an interpreted decoder. By default,
+** it will always use the fastest available decoder. However, you can call
+** set_allow_jit(false) to disable any JIT decoder that might be available.
+** This is primarily useful for testing purposes.
+*/
+
+#ifndef UPB_DECODER_H_
+#define UPB_DECODER_H_
+
+
+#ifdef __cplusplus
+namespace upb {
+namespace pb {
+class CodeCache;
+class Decoder;
+class DecoderMethod;
+class DecoderMethodOptions;
+} /* namespace pb */
+} /* namespace upb */
+#endif
+
+UPB_DECLARE_TYPE(upb::pb::CodeCache, upb_pbcodecache)
+UPB_DECLARE_TYPE(upb::pb::Decoder, upb_pbdecoder)
+UPB_DECLARE_TYPE(upb::pb::DecoderMethodOptions, upb_pbdecodermethodopts)
+
+UPB_DECLARE_DERIVED_TYPE(upb::pb::DecoderMethod, upb::RefCounted,
+ upb_pbdecodermethod, upb_refcounted)
+
+#ifdef __cplusplus
+
+/* The parameters one uses to construct a DecoderMethod.
+ * TODO(haberman): move allowjit here? Seems more convenient for users.
+ * TODO(haberman): move this to be heap allocated for ABI stability. */
+class upb::pb::DecoderMethodOptions {
+ public:
+ /* Parameter represents the destination handlers that this method will push
+ * to. */
+ explicit DecoderMethodOptions(const Handlers* dest_handlers);
+
+ /* Should the decoder push submessages to lazy handlers for fields that have
+ * them? The caller should set this iff the lazy handlers expect data that is
+ * in protobuf binary format and the caller wishes to lazy parse it. */
+ void set_lazy(bool lazy);
+#else
+struct upb_pbdecodermethodopts {
+#endif
+ const upb_handlers *handlers;
+ bool lazy;
+};
+
+#ifdef __cplusplus
+
+/* Represents the code to parse a protobuf according to a destination
+ * Handlers. */
+class upb::pb::DecoderMethod {
+ public:
+ /* Include base methods from upb::ReferenceCounted. */
+ UPB_REFCOUNTED_CPPMETHODS
+
+ /* The destination handlers that are statically bound to this method.
+ * This method is only capable of outputting to a sink that uses these
+ * handlers. */
+ const Handlers* dest_handlers() const;
+
+ /* The input handlers for this decoder method. */
+ const BytesHandler* input_handler() const;
+
+ /* Whether this method is native. */
+ bool is_native() const;
+
+ /* Convenience method for generating a DecoderMethod without explicitly
+ * creating a CodeCache. */
+ static reffed_ptr<const DecoderMethod> New(const DecoderMethodOptions& opts);
+
+ private:
+ UPB_DISALLOW_POD_OPS(DecoderMethod, upb::pb::DecoderMethod)
+};
+
+#endif
+
+/* Preallocation hint: decoder won't allocate more bytes than this when first
+ * constructed. This hint may be an overestimate for some build configurations.
+ * But if the decoder library is upgraded without recompiling the application,
+ * it may be an underestimate. */
+#define UPB_PB_DECODER_SIZE 4408
+
+#ifdef __cplusplus
+
+/* A Decoder receives binary protobuf data on its input sink and pushes the
+ * decoded data to its output sink. */
+class upb::pb::Decoder {
+ public:
+ /* Constructs a decoder instance for the given method, which must outlive this
+ * decoder. Any errors during parsing will be set on the given status, which
+ * must also outlive this decoder.
+ *
+ * The sink must match the given method. */
+ static Decoder* Create(Environment* env, const DecoderMethod* method,
+ Sink* output);
+
+ /* Returns the DecoderMethod this decoder is parsing from. */
+ const DecoderMethod* method() const;
+
+ /* The sink on which this decoder receives input. */
+ BytesSink* input();
+
+ /* Returns number of bytes successfully parsed.
+ *
+ * This can be useful for determining the stream position where an error
+ * occurred.
+ *
+ * This value may not be up-to-date when called from inside a parsing
+ * callback. */
+ uint64_t BytesParsed() const;
+
+ /* Gets/sets the parsing nexting limit. If the total number of nested
+ * submessages and repeated fields hits this limit, parsing will fail. This
+ * is a resource limit that controls the amount of memory used by the parsing
+ * stack.
+ *
+ * Setting the limit will fail if the parser is currently suspended at a depth
+ * greater than this, or if memory allocation of the stack fails. */
+ size_t max_nesting() const;
+ bool set_max_nesting(size_t max);
+
+ void Reset();
+
+ static const size_t kSize = UPB_PB_DECODER_SIZE;
+
+ private:
+ UPB_DISALLOW_POD_OPS(Decoder, upb::pb::Decoder)
+};
+
+#endif /* __cplusplus */
+
+#ifdef __cplusplus
+
+/* A class for caching protobuf processing code, whether bytecode for the
+ * interpreted decoder or machine code for the JIT.
+ *
+ * This class is not thread-safe.
+ *
+ * TODO(haberman): move this to be heap allocated for ABI stability. */
+class upb::pb::CodeCache {
+ public:
+ CodeCache();
+ ~CodeCache();
+
+ /* Whether the cache is allowed to generate machine code. Defaults to true.
+ * There is no real reason to turn it off except for testing or if you are
+ * having a specific problem with the JIT.
+ *
+ * Note that allow_jit = true does not *guarantee* that the code will be JIT
+ * compiled. If this platform is not supported or the JIT was not compiled
+ * in, the code may still be interpreted. */
+ bool allow_jit() const;
+
+ /* This may only be called when the object is first constructed, and prior to
+ * any code generation, otherwise returns false and does nothing. */
+ bool set_allow_jit(bool allow);
+
+ /* Returns a DecoderMethod that can push data to the given handlers.
+ * If a suitable method already exists, it will be returned from the cache.
+ *
+ * Specifying the destination handlers here allows the DecoderMethod to be
+ * statically bound to the destination handlers if possible, which can allow
+ * more efficient decoding. However the returned method may or may not
+ * actually be statically bound. But in all cases, the returned method can
+ * push data to the given handlers. */
+ const DecoderMethod *GetDecoderMethod(const DecoderMethodOptions& opts);
+
+ /* If/when someone needs to explicitly create a dynamically-bound
+ * DecoderMethod*, we can add a method to get it here. */
+
+ private:
+ UPB_DISALLOW_COPY_AND_ASSIGN(CodeCache)
+#else
+struct upb_pbcodecache {
+#endif
+ bool allow_jit_;
+
+ /* Array of mgroups. */
+ upb_inttable groups;
+};
+
+UPB_BEGIN_EXTERN_C
+
+upb_pbdecoder *upb_pbdecoder_create(upb_env *e,
+ const upb_pbdecodermethod *method,
+ upb_sink *output);
+const upb_pbdecodermethod *upb_pbdecoder_method(const upb_pbdecoder *d);
+upb_bytessink *upb_pbdecoder_input(upb_pbdecoder *d);
+uint64_t upb_pbdecoder_bytesparsed(const upb_pbdecoder *d);
+size_t upb_pbdecoder_maxnesting(const upb_pbdecoder *d);
+bool upb_pbdecoder_setmaxnesting(upb_pbdecoder *d, size_t max);
+void upb_pbdecoder_reset(upb_pbdecoder *d);
+
+void upb_pbdecodermethodopts_init(upb_pbdecodermethodopts *opts,
+ const upb_handlers *h);
+void upb_pbdecodermethodopts_setlazy(upb_pbdecodermethodopts *opts, bool lazy);
+
+
+/* Include refcounted methods like upb_pbdecodermethod_ref(). */
+UPB_REFCOUNTED_CMETHODS(upb_pbdecodermethod, upb_pbdecodermethod_upcast)
+
+const upb_handlers *upb_pbdecodermethod_desthandlers(
+ const upb_pbdecodermethod *m);
+const upb_byteshandler *upb_pbdecodermethod_inputhandler(
+ const upb_pbdecodermethod *m);
+bool upb_pbdecodermethod_isnative(const upb_pbdecodermethod *m);
+const upb_pbdecodermethod *upb_pbdecodermethod_new(
+ const upb_pbdecodermethodopts *opts, const void *owner);
+
+void upb_pbcodecache_init(upb_pbcodecache *c);
+void upb_pbcodecache_uninit(upb_pbcodecache *c);
+bool upb_pbcodecache_allowjit(const upb_pbcodecache *c);
+bool upb_pbcodecache_setallowjit(upb_pbcodecache *c, bool allow);
+const upb_pbdecodermethod *upb_pbcodecache_getdecodermethod(
+ upb_pbcodecache *c, const upb_pbdecodermethodopts *opts);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+namespace upb {
+
+namespace pb {
+
+/* static */
+inline Decoder* Decoder::Create(Environment* env, const DecoderMethod* m,
+ Sink* sink) {
+ return upb_pbdecoder_create(env, m, sink);
+}
+inline const DecoderMethod* Decoder::method() const {
+ return upb_pbdecoder_method(this);
+}
+inline BytesSink* Decoder::input() {
+ return upb_pbdecoder_input(this);
+}
+inline uint64_t Decoder::BytesParsed() const {
+ return upb_pbdecoder_bytesparsed(this);
+}
+inline size_t Decoder::max_nesting() const {
+ return upb_pbdecoder_maxnesting(this);
+}
+inline bool Decoder::set_max_nesting(size_t max) {
+ return upb_pbdecoder_setmaxnesting(this, max);
+}
+inline void Decoder::Reset() { upb_pbdecoder_reset(this); }
+
+inline DecoderMethodOptions::DecoderMethodOptions(const Handlers* h) {
+ upb_pbdecodermethodopts_init(this, h);
+}
+inline void DecoderMethodOptions::set_lazy(bool lazy) {
+ upb_pbdecodermethodopts_setlazy(this, lazy);
+}
+
+inline const Handlers* DecoderMethod::dest_handlers() const {
+ return upb_pbdecodermethod_desthandlers(this);
+}
+inline const BytesHandler* DecoderMethod::input_handler() const {
+ return upb_pbdecodermethod_inputhandler(this);
+}
+inline bool DecoderMethod::is_native() const {
+ return upb_pbdecodermethod_isnative(this);
+}
+/* static */
+inline reffed_ptr<const DecoderMethod> DecoderMethod::New(
+ const DecoderMethodOptions &opts) {
+ const upb_pbdecodermethod *m = upb_pbdecodermethod_new(&opts, &m);
+ return reffed_ptr<const DecoderMethod>(m, &m);
+}
+
+inline CodeCache::CodeCache() {
+ upb_pbcodecache_init(this);
+}
+inline CodeCache::~CodeCache() {
+ upb_pbcodecache_uninit(this);
+}
+inline bool CodeCache::allow_jit() const {
+ return upb_pbcodecache_allowjit(this);
+}
+inline bool CodeCache::set_allow_jit(bool allow) {
+ return upb_pbcodecache_setallowjit(this, allow);
+}
+inline const DecoderMethod *CodeCache::GetDecoderMethod(
+ const DecoderMethodOptions& opts) {
+ return upb_pbcodecache_getdecodermethod(this, &opts);
+}
+
+} /* namespace pb */
+} /* namespace upb */
+
+#endif /* __cplusplus */
+
+#endif /* UPB_DECODER_H_ */
+
+/* C++ names are not actually used since this type isn't exposed to users. */
+#ifdef __cplusplus
+namespace upb {
+namespace pb {
+class MessageGroup;
+} /* namespace pb */
+} /* namespace upb */
+#endif
+UPB_DECLARE_DERIVED_TYPE(upb::pb::MessageGroup, upb::RefCounted,
+ mgroup, upb_refcounted)
+
+/* Opcode definitions. The canonical meaning of each opcode is its
+ * implementation in the interpreter (the JIT is written to match this).
+ *
+ * All instructions have the opcode in the low byte.
+ * Instruction format for most instructions is:
+ *
+ * +-------------------+--------+
+ * | arg (24) | op (8) |
+ * +-------------------+--------+
+ *
+ * Exceptions are indicated below. A few opcodes are multi-word. */
+typedef enum {
+ /* Opcodes 1-8, 13, 15-18 parse their respective descriptor types.
+ * Arg for all of these is the upb selector for this field. */
+#define T(type) OP_PARSE_ ## type = UPB_DESCRIPTOR_TYPE_ ## type
+ T(DOUBLE), T(FLOAT), T(INT64), T(UINT64), T(INT32), T(FIXED64), T(FIXED32),
+ T(BOOL), T(UINT32), T(SFIXED32), T(SFIXED64), T(SINT32), T(SINT64),
+#undef T
+ OP_STARTMSG = 9, /* No arg. */
+ OP_ENDMSG = 10, /* No arg. */
+ OP_STARTSEQ = 11,
+ OP_ENDSEQ = 12,
+ OP_STARTSUBMSG = 14,
+ OP_ENDSUBMSG = 19,
+ OP_STARTSTR = 20,
+ OP_STRING = 21,
+ OP_ENDSTR = 22,
+
+ OP_PUSHTAGDELIM = 23, /* No arg. */
+ OP_PUSHLENDELIM = 24, /* No arg. */
+ OP_POP = 25, /* No arg. */
+ OP_SETDELIM = 26, /* No arg. */
+ OP_SETBIGGROUPNUM = 27, /* two words:
+ * | unused (24) | opc (8) |
+ * | groupnum (32) | */
+ OP_CHECKDELIM = 28,
+ OP_CALL = 29,
+ OP_RET = 30,
+ OP_BRANCH = 31,
+
+ /* Different opcodes depending on how many bytes expected. */
+ OP_TAG1 = 32, /* | match tag (16) | jump target (8) | opc (8) | */
+ OP_TAG2 = 33, /* | match tag (16) | jump target (8) | opc (8) | */
+ OP_TAGN = 34, /* three words: */
+ /* | unused (16) | jump target(8) | opc (8) | */
+ /* | match tag 1 (32) | */
+ /* | match tag 2 (32) | */
+
+ OP_SETDISPATCH = 35, /* N words: */
+ /* | unused (24) | opc | */
+ /* | upb_inttable* (32 or 64) | */
+
+ OP_DISPATCH = 36, /* No arg. */
+
+ OP_HALT = 37 /* No arg. */
+} opcode;
+
+#define OP_MAX OP_HALT
+
+UPB_INLINE opcode getop(uint32_t instr) { return instr & 0xff; }
+
+/* Method group; represents a set of decoder methods that had their code
+ * emitted together, and must therefore be freed together. Immutable once
+ * created. It is possible we may want to expose this to users at some point.
+ *
+ * Overall ownership of Decoder objects looks like this:
+ *
+ * +----------+
+ * | | <---> DecoderMethod
+ * | method |
+ * CodeCache ---> | group | <---> DecoderMethod
+ * | |
+ * | (mgroup) | <---> DecoderMethod
+ * +----------+
+ */
+struct mgroup {
+ upb_refcounted base;
+
+ /* Maps upb_msgdef/upb_handlers -> upb_pbdecodermethod. We own refs on the
+ * methods. */
+ upb_inttable methods;
+
+ /* When we add the ability to link to previously existing mgroups, we'll
+ * need an array of mgroups we reference here, and own refs on them. */
+
+ /* The bytecode for our methods, if any exists. Owned by us. */
+ uint32_t *bytecode;
+ uint32_t *bytecode_end;
+
+#ifdef UPB_USE_JIT_X64
+ /* JIT-generated machine code, if any. */
+ upb_string_handlerfunc *jit_code;
+ /* The size of the jit_code (required to munmap()). */
+ size_t jit_size;
+ char *debug_info;
+ void *dl;
+#endif
+};
+
+/* The maximum that any submessages can be nested. Matches proto2's limit.
+ * This specifies the size of the decoder's statically-sized array and therefore
+ * setting it high will cause the upb::pb::Decoder object to be larger.
+ *
+ * If necessary we can add a runtime-settable property to Decoder that allow
+ * this to be larger than the compile-time setting, but this would add
+ * complexity, particularly since we would have to decide how/if to give users
+ * the ability to set a custom memory allocation function. */
+#define UPB_DECODER_MAX_NESTING 64
+
+/* Internal-only struct used by the decoder. */
+typedef struct {
+ /* Space optimization note: we store two pointers here that the JIT
+ * doesn't need at all; the upb_handlers* inside the sink and
+ * the dispatch table pointer. We can optimze so that the JIT uses
+ * smaller stack frames than the interpreter. The only thing we need
+ * to guarantee is that the fallback routines can find end_ofs. */
+ upb_sink sink;
+
+ /* The absolute stream offset of the end-of-frame delimiter.
+ * Non-delimited frames (groups and non-packed repeated fields) reuse the
+ * delimiter of their parent, even though the frame may not end there.
+ *
+ * NOTE: the JIT stores a slightly different value here for non-top frames.
+ * It stores the value relative to the end of the enclosed message. But the
+ * top frame is still stored the same way, which is important for ensuring
+ * that calls from the JIT into C work correctly. */
+ uint64_t end_ofs;
+ const uint32_t *base;
+
+ /* 0 indicates a length-delimited field.
+ * A positive number indicates a known group.
+ * A negative number indicates an unknown group. */
+ int32_t groupnum;
+ upb_inttable *dispatch; /* Not used by the JIT. */
+} upb_pbdecoder_frame;
+
+struct upb_pbdecodermethod {
+ upb_refcounted base;
+
+ /* While compiling, the base is relative in "ofs", after compiling it is
+ * absolute in "ptr". */
+ union {
+ uint32_t ofs; /* PC offset of method. */
+ void *ptr; /* Pointer to bytecode or machine code for this method. */
+ } code_base;
+
+ /* The decoder method group to which this method belongs. We own a ref.
+ * Owning a ref on the entire group is more coarse-grained than is strictly
+ * necessary; all we truly require is that methods we directly reference
+ * outlive us, while the group could contain many other messages we don't
+ * require. But the group represents the messages that were
+ * allocated+compiled together, so it makes the most sense to free them
+ * together also. */
+ const upb_refcounted *group;
+
+ /* Whether this method is native code or bytecode. */
+ bool is_native_;
+
+ /* The handler one calls to invoke this method. */
+ upb_byteshandler input_handler_;
+
+ /* The destination handlers this method is bound to. We own a ref. */
+ const upb_handlers *dest_handlers_;
+
+ /* Dispatch table -- used by both bytecode decoder and JIT when encountering a
+ * field number that wasn't the one we were expecting to see. See
+ * decoder.int.h for the layout of this table. */
+ upb_inttable dispatch;
+};
+
+struct upb_pbdecoder {
+ upb_env *env;
+
+ /* Our input sink. */
+ upb_bytessink input_;
+
+ /* The decoder method we are parsing with (owned). */
+ const upb_pbdecodermethod *method_;
+
+ size_t call_len;
+ const uint32_t *pc, *last;
+
+ /* Current input buffer and its stream offset. */
+ const char *buf, *ptr, *end, *checkpoint;
+
+ /* End of the delimited region, relative to ptr, NULL if not in this buf. */
+ const char *delim_end;
+
+ /* End of the delimited region, relative to ptr, end if not in this buf. */
+ const char *data_end;
+
+ /* Overall stream offset of "buf." */
+ uint64_t bufstart_ofs;
+
+ /* Buffer for residual bytes not parsed from the previous buffer.
+ * The maximum number of residual bytes we require is 12; a five-byte
+ * unknown tag plus an eight-byte value, less one because the value
+ * is only a partial value. */
+ char residual[12];
+ char *residual_end;
+
+ /* Bytes of data that should be discarded from the input beore we start
+ * parsing again. We set this when we internally determine that we can
+ * safely skip the next N bytes, but this region extends past the current
+ * user buffer. */
+ size_t skip;
+
+ /* Stores the user buffer passed to our decode function. */
+ const char *buf_param;
+ size_t size_param;
+ const upb_bufhandle *handle;
+
+ /* Our internal stack. */
+ upb_pbdecoder_frame *stack, *top, *limit;
+ const uint32_t **callstack;
+ size_t stack_size;
+
+ upb_status *status;
+
+#ifdef UPB_USE_JIT_X64
+ /* Used momentarily by the generated code to store a value while a user
+ * function is called. */
+ uint32_t tmp_len;
+
+ const void *saved_rsp;
+#endif
+};
+
+/* Decoder entry points; used as handlers. */
+void *upb_pbdecoder_startbc(void *closure, const void *pc, size_t size_hint);
+void *upb_pbdecoder_startjit(void *closure, const void *hd, size_t size_hint);
+size_t upb_pbdecoder_decode(void *closure, const void *hd, const char *buf,
+ size_t size, const upb_bufhandle *handle);
+bool upb_pbdecoder_end(void *closure, const void *handler_data);
+
+/* Decoder-internal functions that the JIT calls to handle fallback paths. */
+int32_t upb_pbdecoder_resume(upb_pbdecoder *d, void *p, const char *buf,
+ size_t size, const upb_bufhandle *handle);
+size_t upb_pbdecoder_suspend(upb_pbdecoder *d);
+int32_t upb_pbdecoder_skipunknown(upb_pbdecoder *d, int32_t fieldnum,
+ uint8_t wire_type);
+int32_t upb_pbdecoder_checktag_slow(upb_pbdecoder *d, uint64_t expected);
+int32_t upb_pbdecoder_decode_varint_slow(upb_pbdecoder *d, uint64_t *u64);
+int32_t upb_pbdecoder_decode_f32(upb_pbdecoder *d, uint32_t *u32);
+int32_t upb_pbdecoder_decode_f64(upb_pbdecoder *d, uint64_t *u64);
+void upb_pbdecoder_seterr(upb_pbdecoder *d, const char *msg);
+
+/* Error messages that are shared between the bytecode and JIT decoders. */
+extern const char *kPbDecoderStackOverflow;
+extern const char *kPbDecoderSubmessageTooLong;
+
+/* Access to decoderplan members needed by the decoder. */
+const char *upb_pbdecoder_getopname(unsigned int op);
+
+/* JIT codegen entry point. */
+void upb_pbdecoder_jit(mgroup *group);
+void upb_pbdecoder_freejit(mgroup *group);
+UPB_REFCOUNTED_CMETHODS(mgroup, mgroup_upcast)
+
+/* A special label that means "do field dispatch for this message and branch to
+ * wherever that takes you." */
+#define LABEL_DISPATCH 0
+
+/* A special slot in the dispatch table that stores the epilogue (ENDMSG and/or
+ * RET) for branching to when we find an appropriate ENDGROUP tag. */
+#define DISPATCH_ENDMSG 0
+
+/* It's important to use this invalid wire type instead of 0 (which is a valid
+ * wire type). */
+#define NO_WIRE_TYPE 0xff
+
+/* The dispatch table layout is:
+ * [field number] -> [ 48-bit offset ][ 8-bit wt2 ][ 8-bit wt1 ]
+ *
+ * If wt1 matches, jump to the 48-bit offset. If wt2 matches, lookup
+ * (UPB_MAX_FIELDNUMBER + fieldnum) and jump there.
+ *
+ * We need two wire types because of packed/non-packed compatibility. A
+ * primitive repeated field can use either wire type and be valid. While we
+ * could key the table on fieldnum+wiretype, the table would be 8x sparser.
+ *
+ * Storing two wire types in the primary value allows us to quickly rule out
+ * the second wire type without needing to do a separate lookup (this case is
+ * less common than an unknown field). */
+UPB_INLINE uint64_t upb_pbdecoder_packdispatch(uint64_t ofs, uint8_t wt1,
+ uint8_t wt2) {
+ return (ofs << 16) | (wt2 << 8) | wt1;
+}
+
+UPB_INLINE void upb_pbdecoder_unpackdispatch(uint64_t dispatch, uint64_t *ofs,
+ uint8_t *wt1, uint8_t *wt2) {
+ *wt1 = (uint8_t)dispatch;
+ *wt2 = (uint8_t)(dispatch >> 8);
+ *ofs = dispatch >> 16;
+}
+
+/* All of the functions in decoder.c that return int32_t return values according
+ * to the following scheme:
+ * 1. negative values indicate a return code from the following list.
+ * 2. positive values indicate that error or end of buffer was hit, and
+ * that the decode function should immediately return the given value
+ * (the decoder state has already been suspended and is ready to be
+ * resumed). */
+#define DECODE_OK -1
+#define DECODE_MISMATCH -2 /* Used only from checktag_slow(). */
+#define DECODE_ENDGROUP -3 /* Used only from checkunknown(). */
+
+#define CHECK_RETURN(x) { int32_t ret = x; if (ret >= 0) return ret; }
+
+#endif /* UPB_DECODER_INT_H_ */
+/*
+** A number of routines for varint manipulation (we keep them all around to
+** have multiple approaches available for benchmarking).
+*/
+
+#ifndef UPB_VARINT_DECODER_H_
+#define UPB_VARINT_DECODER_H_
+
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* A list of types as they are encoded on-the-wire. */
+typedef enum {
+ UPB_WIRE_TYPE_VARINT = 0,
+ UPB_WIRE_TYPE_64BIT = 1,
+ UPB_WIRE_TYPE_DELIMITED = 2,
+ UPB_WIRE_TYPE_START_GROUP = 3,
+ UPB_WIRE_TYPE_END_GROUP = 4,
+ UPB_WIRE_TYPE_32BIT = 5
+} upb_wiretype_t;
+
+#define UPB_MAX_WIRE_TYPE 5
+
+/* The maximum number of bytes that it takes to encode a 64-bit varint.
+ * Note that with a better encoding this could be 9 (TODO: write up a
+ * wiki document about this). */
+#define UPB_PB_VARINT_MAX_LEN 10
+
+/* Array of the "native" (ie. non-packed-repeated) wire type for the given a
+ * descriptor type (upb_descriptortype_t). */
+extern const uint8_t upb_pb_native_wire_types[];
+
+/* Zig-zag encoding/decoding **************************************************/
+
+UPB_INLINE int32_t upb_zzdec_32(uint32_t n) {
+ return (n >> 1) ^ -(int32_t)(n & 1);
+}
+UPB_INLINE int64_t upb_zzdec_64(uint64_t n) {
+ return (n >> 1) ^ -(int64_t)(n & 1);
+}
+UPB_INLINE uint32_t upb_zzenc_32(int32_t n) { return (n << 1) ^ (n >> 31); }
+UPB_INLINE uint64_t upb_zzenc_64(int64_t n) { return (n << 1) ^ (n >> 63); }
+
+/* Decoding *******************************************************************/
+
+/* All decoding functions return this struct by value. */
+typedef struct {
+ const char *p; /* NULL if the varint was unterminated. */
+ uint64_t val;
+} upb_decoderet;
+
+UPB_INLINE upb_decoderet upb_decoderet_make(const char *p, uint64_t val) {
+ upb_decoderet ret;
+ ret.p = p;
+ ret.val = val;
+ return ret;
+}
+
+/* Four functions for decoding a varint of at most eight bytes. They are all
+ * functionally identical, but are implemented in different ways and likely have
+ * different performance profiles. We keep them around for performance testing.
+ *
+ * Note that these functions may not read byte-by-byte, so they must not be used
+ * unless there are at least eight bytes left in the buffer! */
+upb_decoderet upb_vdecode_max8_branch32(upb_decoderet r);
+upb_decoderet upb_vdecode_max8_branch64(upb_decoderet r);
+upb_decoderet upb_vdecode_max8_wright(upb_decoderet r);
+upb_decoderet upb_vdecode_max8_massimino(upb_decoderet r);
+
+/* Template for a function that checks the first two bytes with branching
+ * and dispatches 2-10 bytes with a separate function. Note that this may read
+ * up to 10 bytes, so it must not be used unless there are at least ten bytes
+ * left in the buffer! */
+#define UPB_VARINT_DECODER_CHECK2(name, decode_max8_function) \
+UPB_INLINE upb_decoderet upb_vdecode_check2_ ## name(const char *_p) { \
+ uint8_t *p = (uint8_t*)_p; \
+ upb_decoderet r; \
+ if ((*p & 0x80) == 0) { \
+ /* Common case: one-byte varint. */ \
+ return upb_decoderet_make(_p + 1, *p & 0x7fU); \
+ } \
+ r = upb_decoderet_make(_p + 2, (*p & 0x7fU) | ((*(p + 1) & 0x7fU) << 7)); \
+ if ((*(p + 1) & 0x80) == 0) { \
+ /* Two-byte varint. */ \
+ return r; \
+ } \
+ /* Longer varint, fallback to out-of-line function. */ \
+ return decode_max8_function(r); \
+}
+
+UPB_VARINT_DECODER_CHECK2(branch32, upb_vdecode_max8_branch32)
+UPB_VARINT_DECODER_CHECK2(branch64, upb_vdecode_max8_branch64)
+UPB_VARINT_DECODER_CHECK2(wright, upb_vdecode_max8_wright)
+UPB_VARINT_DECODER_CHECK2(massimino, upb_vdecode_max8_massimino)
+#undef UPB_VARINT_DECODER_CHECK2
+
+/* Our canonical functions for decoding varints, based on the currently
+ * favored best-performing implementations. */
+UPB_INLINE upb_decoderet upb_vdecode_fast(const char *p) {
+ if (sizeof(long) == 8)
+ return upb_vdecode_check2_branch64(p);
+ else
+ return upb_vdecode_check2_branch32(p);
+}
+
+UPB_INLINE upb_decoderet upb_vdecode_max8_fast(upb_decoderet r) {
+ return upb_vdecode_max8_massimino(r);
+}
+
+
+/* Encoding *******************************************************************/
+
+UPB_INLINE int upb_value_size(uint64_t val) {
+#ifdef __GNUC__
+ int high_bit = 63 - __builtin_clzll(val); /* 0-based, undef if val == 0. */
+#else
+ int high_bit = 0;
+ uint64_t tmp = val;
+ while(tmp >>= 1) high_bit++;
+#endif
+ return val == 0 ? 1 : high_bit / 8 + 1;
+}
+
+/* Encodes a 64-bit varint into buf (which must be >=UPB_PB_VARINT_MAX_LEN
+ * bytes long), returning how many bytes were used.
+ *
+ * TODO: benchmark and optimize if necessary. */
+UPB_INLINE size_t upb_vencode64(uint64_t val, char *buf) {
+ size_t i;
+ if (val == 0) { buf[0] = 0; return 1; }
+ i = 0;
+ while (val) {
+ uint8_t byte = val & 0x7fU;
+ val >>= 7;
+ if (val) byte |= 0x80U;
+ buf[i++] = byte;
+ }
+ return i;
+}
+
+UPB_INLINE size_t upb_varint_size(uint64_t val) {
+ char buf[UPB_PB_VARINT_MAX_LEN];
+ return upb_vencode64(val, buf);
+}
+
+/* Encodes a 32-bit varint, *not* sign-extended. */
+UPB_INLINE uint64_t upb_vencode32(uint32_t val) {
+ char buf[UPB_PB_VARINT_MAX_LEN];
+ size_t bytes = upb_vencode64(val, buf);
+ uint64_t ret = 0;
+ assert(bytes <= 5);
+ memcpy(&ret, buf, bytes);
+ assert(ret <= 0xffffffffffU);
+ return ret;
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* UPB_VARINT_DECODER_H_ */
+/*
+** upb::pb::Encoder (upb_pb_encoder)
+**
+** Implements a set of upb_handlers that write protobuf data to the binary wire
+** format.
+**
+** This encoder implementation does not have any access to any out-of-band or
+** precomputed lengths for submessages, so it must buffer submessages internally
+** before it can emit the first byte.
+*/
+
+#ifndef UPB_ENCODER_H_
+#define UPB_ENCODER_H_
+
+
+#ifdef __cplusplus
+namespace upb {
+namespace pb {
+class Encoder;
+} /* namespace pb */
+} /* namespace upb */
+#endif
+
+UPB_DECLARE_TYPE(upb::pb::Encoder, upb_pb_encoder)
+
+#define UPB_PBENCODER_MAX_NESTING 100
+
+/* upb::pb::Encoder ***********************************************************/
+
+/* Preallocation hint: decoder won't allocate more bytes than this when first
+ * constructed. This hint may be an overestimate for some build configurations.
+ * But if the decoder library is upgraded without recompiling the application,
+ * it may be an underestimate. */
+#define UPB_PB_ENCODER_SIZE 768
+
+#ifdef __cplusplus
+
+class upb::pb::Encoder {
+ public:
+ /* Creates a new encoder in the given environment. The Handlers must have
+ * come from NewHandlers() below. */
+ static Encoder* Create(Environment* env, const Handlers* handlers,
+ BytesSink* output);
+
+ /* The input to the encoder. */
+ Sink* input();
+
+ /* Creates a new set of handlers for this MessageDef. */
+ static reffed_ptr<const Handlers> NewHandlers(const MessageDef* msg);
+
+ static const size_t kSize = UPB_PB_ENCODER_SIZE;
+
+ private:
+ UPB_DISALLOW_POD_OPS(Encoder, upb::pb::Encoder)
+};
+
+#endif
+
+UPB_BEGIN_EXTERN_C
+
+const upb_handlers *upb_pb_encoder_newhandlers(const upb_msgdef *m,
+ const void *owner);
+upb_sink *upb_pb_encoder_input(upb_pb_encoder *p);
+upb_pb_encoder* upb_pb_encoder_create(upb_env* e, const upb_handlers* h,
+ upb_bytessink* output);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+namespace upb {
+namespace pb {
+inline Encoder* Encoder::Create(Environment* env, const Handlers* handlers,
+ BytesSink* output) {
+ return upb_pb_encoder_create(env, handlers, output);
+}
+inline Sink* Encoder::input() {
+ return upb_pb_encoder_input(this);
+}
+inline reffed_ptr<const Handlers> Encoder::NewHandlers(
+ const upb::MessageDef *md) {
+ const Handlers* h = upb_pb_encoder_newhandlers(md, &h);
+ return reffed_ptr<const Handlers>(h, &h);
+}
+} /* namespace pb */
+} /* namespace upb */
+
+#endif
+
+#endif /* UPB_ENCODER_H_ */
+/*
+** upb's core components like upb_decoder and upb_msg are carefully designed to
+** avoid depending on each other for maximum orthogonality. In other words,
+** you can use a upb_decoder to decode into *any* kind of structure; upb_msg is
+** just one such structure. A upb_msg can be serialized/deserialized into any
+** format, protobuf binary format is just one such format.
+**
+** However, for convenience we provide functions here for doing common
+** operations like deserializing protobuf binary format into a upb_msg. The
+** compromise is that this file drags in almost all of upb as a dependency,
+** which could be undesirable if you're trying to use a trimmed-down build of
+** upb.
+**
+** While these routines are convenient, they do not reuse any encoding/decoding
+** state. For example, if a decoder is JIT-based, it will be re-JITted every
+** time these functions are called. For this reason, if you are parsing lots
+** of data and efficiency is an issue, these may not be the best functions to
+** use (though they are useful for prototyping, before optimizing).
+*/
+
+#ifndef UPB_GLUE_H
+#define UPB_GLUE_H
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Loads all defs from the given protobuf binary descriptor, setting default
+ * accessors and a default layout on all messages. The caller owns the
+ * returned array of defs, which will be of length *n. On error NULL is
+ * returned and status is set (if non-NULL). */
+upb_def **upb_load_defs_from_descriptor(const char *str, size_t len, int *n,
+ void *owner, upb_status *status);
+
+/* Like the previous but also adds the loaded defs to the given symtab. */
+bool upb_load_descriptor_into_symtab(upb_symtab *symtab, const char *str,
+ size_t len, upb_status *status);
+
+/* Like the previous but also reads the descriptor from the given filename. */
+bool upb_load_descriptor_file_into_symtab(upb_symtab *symtab, const char *fname,
+ upb_status *status);
+
+/* Reads the given filename into a character string, returning NULL if there
+ * was an error. */
+char *upb_readfile(const char *filename, size_t *len);
+
+#ifdef __cplusplus
+} /* extern "C" */
+
+namespace upb {
+
+/* All routines that load descriptors expect the descriptor to be a
+ * FileDescriptorSet. */
+inline bool LoadDescriptorFileIntoSymtab(SymbolTable* s, const char *fname,
+ Status* status) {
+ return upb_load_descriptor_file_into_symtab(s, fname, status);
+}
+
+inline bool LoadDescriptorIntoSymtab(SymbolTable* s, const char* str,
+ size_t len, Status* status) {
+ return upb_load_descriptor_into_symtab(s, str, len, status);
+}
+
+/* Templated so it can accept both string and std::string. */
+template <typename T>
+bool LoadDescriptorIntoSymtab(SymbolTable* s, const T& desc, Status* status) {
+ return upb_load_descriptor_into_symtab(s, desc.c_str(), desc.size(), status);
+}
+
+} /* namespace upb */
+
+#endif
+
+#endif /* UPB_GLUE_H */
+/*
+** upb::pb::TextPrinter (upb_textprinter)
+**
+** Handlers for writing to protobuf text format.
+*/
+
+#ifndef UPB_TEXT_H_
+#define UPB_TEXT_H_
+
+
+#ifdef __cplusplus
+namespace upb {
+namespace pb {
+class TextPrinter;
+} /* namespace pb */
+} /* namespace upb */
+#endif
+
+UPB_DECLARE_TYPE(upb::pb::TextPrinter, upb_textprinter)
+
+#ifdef __cplusplus
+
+class upb::pb::TextPrinter {
+ public:
+ /* The given handlers must have come from NewHandlers(). It must outlive the
+ * TextPrinter. */
+ static TextPrinter *Create(Environment *env, const upb::Handlers *handlers,
+ BytesSink *output);
+
+ void SetSingleLineMode(bool single_line);
+
+ Sink* input();
+
+ /* If handler caching becomes a requirement we can add a code cache as in
+ * decoder.h */
+ static reffed_ptr<const Handlers> NewHandlers(const MessageDef* md);
+};
+
+#endif
+
+UPB_BEGIN_EXTERN_C
+
+/* C API. */
+upb_textprinter *upb_textprinter_create(upb_env *env, const upb_handlers *h,
+ upb_bytessink *output);
+void upb_textprinter_setsingleline(upb_textprinter *p, bool single_line);
+upb_sink *upb_textprinter_input(upb_textprinter *p);
+
+const upb_handlers *upb_textprinter_newhandlers(const upb_msgdef *m,
+ const void *owner);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+namespace upb {
+namespace pb {
+inline TextPrinter *TextPrinter::Create(Environment *env,
+ const upb::Handlers *handlers,
+ BytesSink *output) {
+ return upb_textprinter_create(env, handlers, output);
+}
+inline void TextPrinter::SetSingleLineMode(bool single_line) {
+ upb_textprinter_setsingleline(this, single_line);
+}
+inline Sink* TextPrinter::input() {
+ return upb_textprinter_input(this);
+}
+inline reffed_ptr<const Handlers> TextPrinter::NewHandlers(
+ const MessageDef *md) {
+ const Handlers* h = upb_textprinter_newhandlers(md, &h);
+ return reffed_ptr<const Handlers>(h, &h);
+}
+} /* namespace pb */
+} /* namespace upb */
+
+#endif
+
+#endif /* UPB_TEXT_H_ */
+/*
+** upb::json::Parser (upb_json_parser)
+**
+** Parses JSON according to a specific schema.
+** Support for parsing arbitrary JSON (schema-less) will be added later.
+*/
+
+#ifndef UPB_JSON_PARSER_H_
+#define UPB_JSON_PARSER_H_
+
+
+#ifdef __cplusplus
+namespace upb {
+namespace json {
+class Parser;
+} /* namespace json */
+} /* namespace upb */
+#endif
+
+UPB_DECLARE_TYPE(upb::json::Parser, upb_json_parser)
+
+/* upb::json::Parser **********************************************************/
+
+/* Preallocation hint: parser won't allocate more bytes than this when first
+ * constructed. This hint may be an overestimate for some build configurations.
+ * But if the parser library is upgraded without recompiling the application,
+ * it may be an underestimate. */
+#define UPB_JSON_PARSER_SIZE 3704
+
+#ifdef __cplusplus
+
+/* Parses an incoming BytesStream, pushing the results to the destination
+ * sink. */
+class upb::json::Parser {
+ public:
+ static Parser* Create(Environment* env, Sink* output);
+
+ BytesSink* input();
+
+ private:
+ UPB_DISALLOW_POD_OPS(Parser, upb::json::Parser)
+};
+
+#endif
+
+UPB_BEGIN_EXTERN_C
+
+upb_json_parser *upb_json_parser_create(upb_env *e, upb_sink *output);
+upb_bytessink *upb_json_parser_input(upb_json_parser *p);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+namespace upb {
+namespace json {
+inline Parser* Parser::Create(Environment* env, Sink* output) {
+ return upb_json_parser_create(env, output);
+}
+inline BytesSink* Parser::input() {
+ return upb_json_parser_input(this);
+}
+} /* namespace json */
+} /* namespace upb */
+
+#endif
+
+
+#endif /* UPB_JSON_PARSER_H_ */
+/*
+** upb::json::Printer
+**
+** Handlers that emit JSON according to a specific protobuf schema.
+*/
+
+#ifndef UPB_JSON_TYPED_PRINTER_H_
+#define UPB_JSON_TYPED_PRINTER_H_
+
+
+#ifdef __cplusplus
+namespace upb {
+namespace json {
+class Printer;
+} /* namespace json */
+} /* namespace upb */
+#endif
+
+UPB_DECLARE_TYPE(upb::json::Printer, upb_json_printer)
+
+
+/* upb::json::Printer *********************************************************/
+
+#define UPB_JSON_PRINTER_SIZE 168
+
+#ifdef __cplusplus
+
+/* Prints an incoming stream of data to a BytesSink in JSON format. */
+class upb::json::Printer {
+ public:
+ static Printer* Create(Environment* env, const upb::Handlers* handlers,
+ BytesSink* output);
+
+ /* The input to the printer. */
+ Sink* input();
+
+ /* Returns handlers for printing according to the specified schema. */
+ static reffed_ptr<const Handlers> NewHandlers(const upb::MessageDef* md);
+
+ static const size_t kSize = UPB_JSON_PRINTER_SIZE;
+
+ private:
+ UPB_DISALLOW_POD_OPS(Printer, upb::json::Printer)
+};
+
+#endif
+
+UPB_BEGIN_EXTERN_C
+
+/* Native C API. */
+upb_json_printer *upb_json_printer_create(upb_env *e, const upb_handlers *h,
+ upb_bytessink *output);
+upb_sink *upb_json_printer_input(upb_json_printer *p);
+const upb_handlers *upb_json_printer_newhandlers(const upb_msgdef *md,
+ const void *owner);
+
+UPB_END_EXTERN_C
+
+#ifdef __cplusplus
+
+namespace upb {
+namespace json {
+inline Printer* Printer::Create(Environment* env, const upb::Handlers* handlers,
+ BytesSink* output) {
+ return upb_json_printer_create(env, handlers, output);
+}
+inline Sink* Printer::input() { return upb_json_printer_input(this); }
+inline reffed_ptr<const Handlers> Printer::NewHandlers(
+ const upb::MessageDef *md) {
+ const Handlers* h = upb_json_printer_newhandlers(md, &h);
+ return reffed_ptr<const Handlers>(h, &h);
+}
+} /* namespace json */
+} /* namespace upb */
+
+#endif
+
+#endif /* UPB_JSON_TYPED_PRINTER_H_ */
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