diff options
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_extension.h')
-rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_extension.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_extension.h b/src/google/protobuf/compiler/cpp/cpp_extension.h new file mode 100644 index 00000000..1c1caf1f --- /dev/null +++ b/src/google/protobuf/compiler/cpp/cpp_extension.h @@ -0,0 +1,86 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// 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 with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// 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. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_EXTENSION_H__ +#define GOOGLE_PROTOBUF_COMPILER_CPP_EXTENSION_H__ + +#include <string> +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/compiler/cpp/cpp_options.h> + +namespace google { +namespace protobuf { + class FieldDescriptor; // descriptor.h + namespace io { + class Printer; // printer.h + } +} + +namespace protobuf { +namespace compiler { +namespace cpp { + +// Generates code for an extension, which may be within the scope of some +// message or may be at file scope. This is much simpler than FieldGenerator +// since extensions are just simple identifiers with interesting types. +class ExtensionGenerator { + public: + // See generator.cc for the meaning of dllexport_decl. + explicit ExtensionGenerator(const FieldDescriptor* descriptor, + const Options& options); + ~ExtensionGenerator(); + + // Header stuff. + void GenerateDeclaration(io::Printer* printer); + + // Source file stuff. + void GenerateDefinition(io::Printer* printer); + + // Generate code to register the extension. + void GenerateRegistration(io::Printer* printer); + + private: + const FieldDescriptor* descriptor_; + string type_traits_; + Options options_; + + GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ExtensionGenerator); +}; + +} // namespace cpp +} // namespace compiler +} // namespace protobuf + +} // namespace google +#endif // GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_H__ |