1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
9 // * Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer.
11 // * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the
15 // * Neither the name of Google Inc. nor the names of its
16 // contributors may be used to endorse or promote products derived from
17 // this software without specific prior written permission.
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 // Author: kenton@google.com (Kenton Varda)
32 // Based on original Protocol Buffers design by
33 // Sanjay Ghemawat, Jeff Dean, and others.
35 #ifndef GOOGLE_PROTOBUF_COMPILER_CPP_EXTENSION_H__
36 #define GOOGLE_PROTOBUF_COMPILER_CPP_EXTENSION_H__
41 #include <google/protobuf/stubs/common.h>
42 #include <google/protobuf/compiler/cpp/cpp_options.h>
46 class FieldDescriptor; // descriptor.h
48 class Printer; // printer.h
50 } // namespace protobuf
58 // Generates code for an extension, which may be within the scope of some
59 // message or may be at file scope. This is much simpler than FieldGenerator
60 // since extensions are just simple identifiers with interesting types.
61 class ExtensionGenerator {
63 // See generator.cc for the meaning of dllexport_decl.
64 explicit ExtensionGenerator(const FieldDescriptor* descriptor,
65 const Options& options);
66 ~ExtensionGenerator();
69 void GenerateDeclaration(io::Printer* printer) const;
72 void GenerateDefinition(io::Printer* printer);
74 bool IsScoped() const;
77 const FieldDescriptor* descriptor_;
78 std::string type_traits_;
81 std::map<std::string, std::string> variables_;
83 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ExtensionGenerator);
87 } // namespace compiler
88 } // namespace protobuf
91 #endif // GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_H__