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116 lines
4.3 KiB
C++
116 lines
4.3 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_FILE_H__
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#define GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_FILE_H__
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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#include <thirdparty/protobuf/descriptor.h>
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#include <thirdparty/protobuf/io/printer.h>
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace objectivec {
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class EnumGenerator;
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class ExtensionGenerator;
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class MessageGenerator;
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class FileGenerator {
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public:
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struct GenerationOptions {
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GenerationOptions()
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// TODO(thomasvl): Eventually flip this default to false for better
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// interop with Swift if proto usages span modules made from ObjC sources.
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: headers_use_forward_declarations(true) {}
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std::string generate_for_named_framework;
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std::string named_framework_to_proto_path_mappings_path;
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std::string runtime_import_prefix;
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bool headers_use_forward_declarations;
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};
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// Wrapper for some common state that is shared between file generations to
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// improve performance when more than one file is generated at a time.
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struct CommonState {
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CommonState();
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const std::vector<const FileDescriptor*>
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CollectMinimalFileDepsContainingExtensions(const FileDescriptor* file);
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private:
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struct MinDepsEntry {
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bool has_extensions;
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std::set<const FileDescriptor*> min_deps;
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// `covered_deps` are the transtive deps of `min_deps_w_exts` that also
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// have extensions.
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std::set<const FileDescriptor*> covered_deps;
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};
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const MinDepsEntry& CollectMinimalFileDepsContainingExtensionsInternal(const FileDescriptor* file);
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std::map<const FileDescriptor*, MinDepsEntry> deps_info_cache_;
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};
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FileGenerator(const FileDescriptor* file,
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const GenerationOptions& generation_options,
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CommonState& common_state);
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~FileGenerator();
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FileGenerator(const FileGenerator&) = delete;
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FileGenerator& operator=(const FileGenerator&) = delete;
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void GenerateSource(io::Printer* printer);
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void GenerateHeader(io::Printer* printer);
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private:
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const FileDescriptor* file_;
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const GenerationOptions& generation_options_;
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CommonState& common_state_;
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std::string root_class_name_;
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bool is_bundled_proto_;
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std::vector<std::unique_ptr<EnumGenerator>> enum_generators_;
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std::vector<std::unique_ptr<MessageGenerator>> message_generators_;
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std::vector<std::unique_ptr<ExtensionGenerator>> extension_generators_;
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void PrintFileRuntimePreamble(
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io::Printer* printer,
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const std::vector<std::string>& headers_to_import) const;
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};
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} // namespace objectivec
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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#endif // GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_FILE_H__
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