Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(159)

Unified Diff: mojo/public/tools/bindings/generators/cpp_templates/struct_definition.tmpl

Issue 2250183003: Make the fuchsia mojo/public repo the source of truth. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: mojo/public/tools/bindings/generators/cpp_templates/struct_definition.tmpl
diff --git a/mojo/public/tools/bindings/generators/cpp_templates/struct_definition.tmpl b/mojo/public/tools/bindings/generators/cpp_templates/struct_definition.tmpl
deleted file mode 100644
index 5f691bf1295faa279b69eae8c3c5bce9bbbb0dcb..0000000000000000000000000000000000000000
--- a/mojo/public/tools/bindings/generators/cpp_templates/struct_definition.tmpl
+++ /dev/null
@@ -1,213 +0,0 @@
-{%- set class_name = struct.name ~ "_Data" %}
-
-{#- TODO(yzshen): Consider eliminating _validate_object() and
- _validate_handle(). #}
-
-{#- Validates the specified struct field, which is supposed to be an object
- (struct/array/string/map/union).
- This macro is expanded by the Validate() method. #}
-{%- macro _validate_object(struct, packed_field, err_string) %}
-{%- set name = packed_field.field.name %}
-{%- set kind = packed_field.field.kind %}
-{%- set wrapper_type = kind|cpp_wrapper_type %}
-{%- if not kind|is_nullable_kind %}
-{%- if kind|is_union_kind %}
- if (object->{{name}}.is_null()) {
-{%- else %}
- if (!object->{{name}}.offset) {
-{%- endif %}
- MOJO_INTERNAL_DEBUG_SET_ERROR_MSG({{err_string}}) <<
- "null {{name}} field in {{struct.name}} struct";
- return mojo::internal::ValidationError::UNEXPECTED_NULL_POINTER;
- }
-{%- endif %}
-{%- if not kind|is_union_kind %}
- if (!mojo::internal::ValidateEncodedPointer(&object->{{name}}.offset)) {
- MOJO_INTERNAL_DEBUG_SET_ERROR_MSG({{err_string}}) << "";
- return mojo::internal::ValidationError::ILLEGAL_POINTER;
- }
-{%- endif %}
-
-{%- if kind|is_array_kind or kind|is_string_kind %}
- const mojo::internal::ArrayValidateParams {{name}}_validate_params(
- {{kind|get_array_validate_params_ctor_args|indent(6)}});
- auto validate_retval =
- {{wrapper_type}}::Data_::Validate(
- mojo::internal::DecodePointerRaw(&object->{{name}}.offset),
- bounds_checker, &{{name}}_validate_params, {{err_string}});
- if (validate_retval != mojo::internal::ValidationError::NONE) {
-{%- elif kind|is_map_kind %}
- const mojo::internal::ArrayValidateParams {{name}}_validate_params(
- {{kind.value_kind|get_map_validate_params_ctor_args|indent(6)}});
- auto validate_retval = {{wrapper_type}}::Data_::Validate(
- mojo::internal::DecodePointerRaw(&object->{{name}}.offset),
- bounds_checker, &{{name}}_validate_params, {{err_string}});
- if (validate_retval != mojo::internal::ValidationError::NONE) {
-{%- elif kind|is_struct_kind %}
- auto validate_retval = {{kind|get_name_for_kind}}::Data_::Validate(
- mojo::internal::DecodePointerRaw(&object->{{name}}.offset),
- bounds_checker, {{err_string}});
- if (validate_retval != mojo::internal::ValidationError::NONE) {
-{%- elif kind|is_union_kind %}
- auto validate_retval = {{kind|get_name_for_kind}}::Data_::Validate(
- &object->{{name}}, bounds_checker, true, {{err_string}});
- if (validate_retval != mojo::internal::ValidationError::NONE) {
-{%- else %}
- auto validate_retval = {{wrapper_type}}::Data_::Validate(
- mojo::internal::DecodePointerRaw(&object->{{name}}.offset),
- bounds_checker, {{err_string}});
- if (validate_retval != mojo::internal::ValidationError::NONE) {
-{%- endif %}
- return validate_retval;
- }
-{%- endmacro %}
-
-{#- Validates the specified struct field, which is supposed to be a handle or
- contain a handle (in the case of interfaces).
- This macro is expanded by the Validate() method. #}
-{%- macro _validate_handle(struct, packed_field, err_string) %}
-{%- set name = packed_field.field.name %}
-{%- set kind = packed_field.field.kind %}
-{%- if kind|is_interface_kind %}
- const mojo::Handle {{name}}_handle = object->{{name}}.handle;
-{%- else %}
- const mojo::Handle {{name}}_handle = object->{{name}};
-{%- endif %}
-{%- if not kind|is_nullable_kind %}
- if ({{name}}_handle.value() == mojo::internal::kEncodedInvalidHandleValue) {
- MOJO_INTERNAL_DEBUG_SET_ERROR_MSG({{err_string}})
- << "invalid {{name}} field in {{struct.name}} struct";
- return mojo::internal::ValidationError::UNEXPECTED_INVALID_HANDLE;
- }
-{%- endif %}
- if (!bounds_checker->ClaimHandle({{name}}_handle)) {
- MOJO_INTERNAL_DEBUG_SET_ERROR_MSG({{err_string}}) << "";
- return mojo::internal::ValidationError::ILLEGAL_HANDLE;
- }
-{%- endmacro %}
-
-// static
-{{class_name}}* {{class_name}}::New(mojo::internal::Buffer* buf) {
- return new (buf->Allocate(sizeof({{class_name}}))) {{class_name}}();
-}
-
-// static
-mojo::internal::ValidationError {{class_name}}::Validate(
- const void* data,
- mojo::internal::BoundsChecker* bounds_checker,
- std::string* err) {
- mojo::internal::ValidationError retval;
-
- if (!data)
- return mojo::internal::ValidationError::NONE;
-
- retval = ValidateStructHeaderAndClaimMemory(data, bounds_checker, err);
- if (retval != mojo::internal::ValidationError::NONE)
- return retval;
-
- // NOTE: The memory backing |object| may be smaller than |sizeof(*object)| if
- // the message comes from an older version.
- const {{class_name}}* object = static_cast<const {{class_name}}*>(data);
-
- static const struct {
- uint32_t version;
- uint32_t num_bytes;
- } kVersionSizes[] = {
-{%- for version in struct.versions -%}
- { {{version.version}}, {{version.num_bytes}} }{% if not loop.last %}, {% endif -%}
-{%- endfor -%}
- };
-
- if (object->header_.version <=
- kVersionSizes[MOJO_ARRAYSIZE(kVersionSizes) - 1].version) {
- // Scan in reverse order to optimize for more recent versions.
- for (int i = MOJO_ARRAYSIZE(kVersionSizes) - 1; i >= 0; --i) {
- if (object->header_.version >= kVersionSizes[i].version) {
- if (object->header_.num_bytes == kVersionSizes[i].num_bytes)
- break;
-
- MOJO_INTERNAL_DEBUG_SET_ERROR_MSG(err) << "";
- return mojo::internal::ValidationError::UNEXPECTED_STRUCT_HEADER;
- }
- }
- } else if (object->header_.num_bytes <
- kVersionSizes[MOJO_ARRAYSIZE(kVersionSizes) - 1].num_bytes) {
- MOJO_INTERNAL_DEBUG_SET_ERROR_MSG(err) << "";
- return mojo::internal::ValidationError::UNEXPECTED_STRUCT_HEADER;
- }
-
-{#- Before validating fields introduced at a certain version, we need to add
- a version check, which makes sure we skip further validation if |object|
- is from an earlier version. |last_checked_version| records the last
- version that we have added such version check. #}
-{%- set last_checked_version = 0 %}
-{%- for packed_field in struct.packed.packed_fields_in_ordinal_order %}
-{%- set kind = packed_field.field.kind %}
-{%- if kind|is_object_kind or kind|is_any_handle_kind or kind|is_interface_kind %}
-{%- if packed_field.min_version > last_checked_version %}
-{%- set last_checked_version = packed_field.min_version %}
- if (object->header_.version < {{packed_field.min_version}})
- return mojo::internal::ValidationError::NONE;
-{%- endif %}
-{%- if kind|is_object_kind %}
- {
- {{_validate_object(struct, packed_field, "err")}}
- }
-{%- else %}
- {
- {{_validate_handle(struct, packed_field, "err")}}
- }
-{%- endif %}
-{%- endif %}
-{%- endfor %}
-
- return mojo::internal::ValidationError::NONE;
-}
-
-void {{class_name}}::EncodePointersAndHandles(
- std::vector<mojo::Handle>* handles) {
- MOJO_CHECK(header_.version == {{struct.versions[-1].version}});
-{%- for pf in struct.packed.packed_fields_in_ordinal_order %}
-{%- if pf.field.kind|is_union_kind %}
- {{pf.field.name}}.EncodePointersAndHandles(handles);
-{%- elif pf.field.kind|is_object_kind %}
- mojo::internal::Encode(&this->{{pf.field.name}}, handles);
-{%- elif pf.field.kind|is_any_handle_kind or pf.field.kind|is_interface_kind %}
- mojo::internal::EncodeHandle(&this->{{pf.field.name}}, handles);
-{%- endif %}
-{%- endfor %}
-}
-
-void {{class_name}}::DecodePointersAndHandles(
- std::vector<mojo::Handle>* handles) {
- // NOTE: The memory backing |this| may has be smaller than |sizeof(*this)|, if
- // the message comes from an older version.
-{#- Before decoding fields introduced at a certain version, we need to add
- a version check, which makes sure we skip further decoding if |this|
- is from an earlier version. |last_checked_version| records the last
- version that we have added such version check. #}
-{%- set last_checked_version = 0 %}
-{%- for pf in struct.packed.packed_fields_in_ordinal_order %}
-{%- set name = pf.field.name %}
-{%- set kind = pf.field.kind %}
-{%- if kind|is_object_kind or kind|is_any_handle_kind or kind|is_interface_kind %}
-{%- if pf.min_version > last_checked_version %}
-{%- set last_checked_version = pf.min_version %}
- if (header_.version < {{pf.min_version}})
- return;
-{%- endif %}
-{%- if kind|is_union_kind %}
- {{name}}.DecodePointersAndHandles(handles);
-{%- elif kind|is_object_kind %}
- mojo::internal::Decode(&this->{{name}}, handles);
-{%- else %}
- mojo::internal::DecodeHandle(&this->{{name}}, handles);
-{%- endif %}
-{%- endif %}
-{%- endfor %}
-}
-
-{{class_name}}::{{class_name}}() {
- header_.num_bytes = sizeof(*this);
- header_.version = {{struct.versions[-1].version}};
-}

Powered by Google App Engine
This is Rietveld 408576698