Merge (7265, 7271] from bleeding_edge to experimental/gc branch....

src/runtime.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 10 matching lines @@
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_RUNTIME_H_
 #define V8_RUNTIME_H_
 
+#include "zone.h"
+
 namespace v8 {
 namespace internal {
 
 // The interface to C++ runtime functions.
 
 // ----------------------------------------------------------------------------
 // RUNTIME_FUNCTION_LIST_ALWAYS defines runtime calls available in both
 // release and debug mode.
 // This macro should only be used by the macro RUNTIME_FUNCTION_LIST.
 
@@ skipping 38 matching lines @@
   F(GetConstructorDelegate, 1, 1) \
   F(NewArgumentsFast, 3, 1) \
   F(LazyCompile, 1, 1) \
   F(LazyRecompile, 1, 1) \
   F(NotifyDeoptimized, 1, 1) \
   F(NotifyOSR, 0, 1) \
   F(DeoptimizeFunction, 1, 1) \
   F(CompileForOnStackReplacement, 1, 1) \
   F(SetNewFunctionAttributes, 1, 1) \
   F(AllocateInNewSpace, 1, 1) \
-  F(StoreBufferOverflow, 0, 1) \
   \
   /* Array join support */ \
   F(PushIfAbsent, 2, 1) \
   F(ArrayConcat, 1, 1) \
   \
   /* Conversions */ \
   F(ToBool, 1, 1) \
   F(Typeof, 1, 1) \
   \
   F(StringToNumber, 1, 1) \
@@ skipping 306 matching lines @@
 #endif
 
 #ifdef DEBUG
 #define RUNTIME_FUNCTION_LIST_DEBUG(F) \
   /* Testing */ \
   F(ListNatives, 0, 1)
 #else
 #define RUNTIME_FUNCTION_LIST_DEBUG(F)
 #endif
 
-
 // ----------------------------------------------------------------------------
 // RUNTIME_FUNCTION_LIST defines all runtime functions accessed
 // either directly by id (via the code generator), or indirectly
 // via a native call by name (from within JS code).
 
 #define RUNTIME_FUNCTION_LIST(F) \
   RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \
   RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \
   RUNTIME_FUNCTION_LIST_DEBUG(F) \
   RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \
@@ skipping 49 matching lines @@
   F(RegExpExec, 4, 1)                                                        \
   F(RegExpConstructResult, 3, 1)                                             \
   F(GetFromCache, 2, 1)                                                      \
   F(NumberToString, 1, 1)                                                    \
   F(SwapElements, 3, 1)
 
 
 //---------------------------------------------------------------------------
 // Runtime provides access to all C++ runtime functions.
 
+class RuntimeState {
+ public:
+
+  StaticResource<StringInputBuffer>* string_input_buffer() {
+    return &string_input_buffer_;
+  }
+  unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
+    return &to_upper_mapping_;
+  }
+  unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
+    return &to_lower_mapping_;
+  }
+  StringInputBuffer* string_input_buffer_compare_bufx() {
+    return &string_input_buffer_compare_bufx_;
+  }
+  StringInputBuffer* string_input_buffer_compare_bufy() {
+    return &string_input_buffer_compare_bufy_;
+  }
+  StringInputBuffer* string_locale_compare_buf1() {
+    return &string_locale_compare_buf1_;
+  }
+  StringInputBuffer* string_locale_compare_buf2() {
+    return &string_locale_compare_buf2_;
+  }
+  int* smi_lexicographic_compare_x_elms() {
+    return smi_lexicographic_compare_x_elms_;
+  }
+  int* smi_lexicographic_compare_y_elms() {
+    return smi_lexicographic_compare_y_elms_;
+  }
+
+ private:
+  RuntimeState() {}
+  // Non-reentrant string buffer for efficient general use in the runtime.
+  StaticResource<StringInputBuffer> string_input_buffer_;
+  unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
+  unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
+  StringInputBuffer string_input_buffer_compare_bufx_;
+  StringInputBuffer string_input_buffer_compare_bufy_;
+  StringInputBuffer string_locale_compare_buf1_;
+  StringInputBuffer string_locale_compare_buf2_;
+  int smi_lexicographic_compare_x_elms_[10];
+  int smi_lexicographic_compare_y_elms_[10];
+
+  friend class Isolate;
+  friend class Runtime;
+
+  DISALLOW_COPY_AND_ASSIGN(RuntimeState);
+};
+
+
 class Runtime : public AllStatic {
  public:
   enum FunctionId {
 #define F(name, nargs, ressize) k##name,
     RUNTIME_FUNCTION_LIST(F)
 #undef F
 #define F(name, nargs, ressize) kInline##name,
     INLINE_FUNCTION_LIST(F)
     INLINE_RUNTIME_FUNCTION_LIST(F)
 #undef F
@@ skipping 23 matching lines @@
     int result_size;
   };
 
   static const int kNotFound = -1;
 
   // Add symbols for all the intrinsic function names to a StringDictionary.
   // Returns failure if an allocation fails.  In this case, it must be
   // retried with a new, empty StringDictionary, not with the same one.
   // Alternatively, heap initialization can be completely restarted.
   MUST_USE_RESULT static MaybeObject* InitializeIntrinsicFunctionNames(
-      Object* dictionary);
+      Heap* heap, Object* dictionary);
 
   // Get the intrinsic function with the given name, which must be a symbol.
-  static Function* FunctionForSymbol(Handle<String> name);
+  static const Function* FunctionForSymbol(Handle<String> name);
 
   // Get the intrinsic function with the given FunctionId.
-  static Function* FunctionForId(FunctionId id);
+  static const Function* FunctionForId(FunctionId id);
 
   // General-purpose helper functions for runtime system.
-  static int StringMatch(Handle<String> sub, Handle<String> pat, int index);
+  static int StringMatch(Isolate* isolate,
+                         Handle<String> sub,
+                         Handle<String> pat,
+                         int index);
 
-  static bool IsUpperCaseChar(uint16_t ch);
+  static bool IsUpperCaseChar(RuntimeState* runtime_state, uint16_t ch);
 
   // TODO(1240886): The following three methods are *not* handle safe,
   // but accept handle arguments. This seems fragile.
 
   // Support getting the characters in a string using [] notation as
   // in Firefox/SpiderMonkey, Safari and Opera.
-  MUST_USE_RESULT static MaybeObject* GetElementOrCharAt(Handle<Object> object,
+  MUST_USE_RESULT static MaybeObject* GetElementOrCharAt(Isolate* isolate,
+                                                         Handle<Object> object,
                                                          uint32_t index);
   MUST_USE_RESULT static MaybeObject* GetElement(Handle<Object> object,
                                                  uint32_t index);
 
   MUST_USE_RESULT static MaybeObject* SetObjectProperty(
+      Isolate* isolate,
       Handle<Object> object,
       Handle<Object> key,
       Handle<Object> value,
       PropertyAttributes attr,
       StrictModeFlag strict_mode);
 
   MUST_USE_RESULT static MaybeObject* ForceSetObjectProperty(
+      Isolate* isolate,
       Handle<JSObject> object,
       Handle<Object> key,
       Handle<Object> value,
       PropertyAttributes attr);
 
   MUST_USE_RESULT static MaybeObject* ForceDeleteObjectProperty(
+      Isolate* isolate,
       Handle<JSObject> object,
       Handle<Object> key);
 
-  MUST_USE_RESULT static MaybeObject* GetObjectProperty(Handle<Object> object,
-                                                        Handle<Object> key);
+  MUST_USE_RESULT static MaybeObject* GetObjectProperty(
+      Isolate* isolate,
+      Handle<Object> object,
+      Handle<Object> key);
 
   // This function is used in FunctionNameUsing* tests.
-  static Object* FindSharedFunctionInfoInScript(Handle<Script> script,
+  static Object* FindSharedFunctionInfoInScript(Isolate* isolate,
+                                                Handle<Script> script,
                                                 int position);
 
   // Helper functions used stubs.
   static void PerformGC(Object* result);
 };
 
-
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_