1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc. All rights reserved.
3// https://developers.google.com/protocol-buffers/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are
7// met:
8//
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
14// distribution.
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.
18//
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.
30
31#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_EXTENSION_LITE_H__
32#define GOOGLE_PROTOBUF_COMPILER_JAVA_EXTENSION_LITE_H__
33
34#include <map>
35#include <string>
36
37#include <google/protobuf/stubs/common.h>
38#include <google/protobuf/compiler/java/extension.h>
39
40namespace google {
41namespace protobuf {
42namespace compiler {
43namespace java {
44
45// Generates code for a lite extension, which may be within the scope of some
46// message or may be at file scope. This is much simpler than FieldGenerator
47// since extensions are just simple identifiers with interesting types.
48class ImmutableExtensionLiteGenerator : public ExtensionGenerator {
49 public:
50 explicit ImmutableExtensionLiteGenerator(const FieldDescriptor* descriptor,
51 Context* context);
52 ~ImmutableExtensionLiteGenerator() override;
53
54 void Generate(io::Printer* printer) override;
55
56 // Returns an estimate of the number of bytes the printed code will compile to
57 int GenerateNonNestedInitializationCode(io::Printer* printer) override;
58
59 // Returns an estimate of the number of bytes the printed code will compile to
60 int GenerateRegistrationCode(io::Printer* printer) override;
61
62 private:
63 const FieldDescriptor* descriptor_;
64 ClassNameResolver* name_resolver_;
65 std::string scope_;
66
67 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ImmutableExtensionLiteGenerator);
68};
69
70} // namespace java
71} // namespace compiler
72} // namespace protobuf
73} // namespace google
74
75#endif // GOOGLE_PROTOBUF_COMPILER_JAVA_EXTENSION_LITE_H__
76