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Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_message.h')
-rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_message.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_message.h b/src/google/protobuf/compiler/cpp/cpp_message.h new file mode 100644 index 00000000..904e0487 --- /dev/null +++ b/src/google/protobuf/compiler/cpp/cpp_message.h @@ -0,0 +1,125 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. +// http://code.google.com/p/protobuf/ +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_H__ +#define GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_H__ + +#include <string> +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/compiler/cpp/cpp_field.h> + +namespace google { +namespace protobuf { + namespace io { + class Printer; // printer.h + } +} + +namespace protobuf { +namespace compiler { +namespace cpp { + +class EnumGenerator; // enum.h +class ExtensionGenerator; // extension.h + +class MessageGenerator { + public: + // See generator.cc for the meaning of dllexport_decl. + explicit MessageGenerator(const Descriptor* descriptor, + const string& dllexport_decl); + ~MessageGenerator(); + + // Header stuff. + + // Generate foward declarations for this class and all its nested types. + void GenerateForwardDeclaration(io::Printer* printer); + + // Generate definitions of all nested enums (must come before class + // definitions because those classes use the enums definitions). + void GenerateEnumDefinitions(io::Printer* printer); + + // Generate definitions for this class and all its nested types. + void GenerateClassDefinition(io::Printer* printer); + + // Generate definitions of inline methods (placed at the end of the header + // file). + void GenerateInlineMethods(io::Printer* printer); + + // Source file stuff. + + // Generate code which declares all the global descriptor pointers which + // will be initialized by the methods below. + void GenerateDescriptorDeclarations(io::Printer* printer); + + // Generate code that initializes the global variable storing the message's + // descriptor. + void GenerateDescriptorInitializer(io::Printer* printer, int index); + + // Generate all non-inline methods for this class. + void GenerateClassMethods(io::Printer* printer); + + private: + // Generate declarations and definitions of accessors for fields. + void GenerateFieldAccessorDeclarations(io::Printer* printer); + void GenerateFieldAccessorDefinitions(io::Printer* printer); + + // Generate the field offsets array. + void GenerateOffsets(io::Printer* printer); + + // Generate constructors and destructor. + void GenerateStructors(io::Printer* printer); + + // Generate the member initializer list for the constructors. The member + // initializer list is shared between the default constructor and the copy + // constructor. + void GenerateInitializerList(io::Printer* printer); + + // Generate standard Message methods. + void GenerateClear(io::Printer* printer); + void GenerateMergeFromCodedStream(io::Printer* printer); + void GenerateSerializeWithCachedSizes(io::Printer* printer); + void GenerateByteSize(io::Printer* printer); + void GenerateMergeFrom(io::Printer* printer); + void GenerateCopyFrom(io::Printer* printer); + void GenerateIsInitialized(io::Printer* printer); + + // Helpers for GenerateSerializeWithCachedSizes(). + void GenerateSerializeOneField(io::Printer* printer, + const FieldDescriptor* field); + void GenerateSerializeOneExtensionRange( + io::Printer* printer, const Descriptor::ExtensionRange* range); + + const Descriptor* descriptor_; + string classname_; + string dllexport_decl_; + FieldGeneratorMap field_generators_; + scoped_array<scoped_ptr<MessageGenerator> > nested_generators_; + scoped_array<scoped_ptr<EnumGenerator> > enum_generators_; + scoped_array<scoped_ptr<ExtensionGenerator> > extension_generators_; + + GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageGenerator); +}; + +} // namespace cpp +} // namespace compiler +} // namespace protobuf + +} // namespace google +#endif // GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_H__ |