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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* 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.
*
*/
#ifndef GRPC_INTERNAL_COMPILER_CPP_GENERATOR_H
#define GRPC_INTERNAL_COMPILER_CPP_GENERATOR_H
// cpp_generator.h/.cc do not directly depend on GRPC/ProtoBuf, such that they
// can be used to generate code for other serialization systems, such as
// FlatBuffers.
#include <memory>
#include <vector>
#ifndef GRPC_CUSTOM_STRING
#include <string>
#define GRPC_CUSTOM_STRING std::string
#endif
namespace grpc {
typedef GRPC_CUSTOM_STRING string;
} // namespace grpc
namespace grpc_cpp_generator {
// Contains all the parameters that are parsed from the command line.
struct Parameters {
// Puts the service into a namespace
grpc::string services_namespace;
// Use system includes (<>) or local includes ("")
bool use_system_headers;
// Prefix to any grpc include
grpc::string grpc_search_path;
};
// A common interface for objects having comments in the source.
// Return formatted comments to be inserted in generated code.
struct CommentHolder {
virtual ~CommentHolder() {}
virtual grpc::string GetLeadingComments() const = 0;
virtual grpc::string GetTrailingComments() const = 0;
};
// An abstract interface representing a method.
struct Method : public CommentHolder {
virtual ~Method() {}
virtual grpc::string name() const = 0;
virtual grpc::string input_type_name() const = 0;
virtual grpc::string output_type_name() const = 0;
virtual bool NoStreaming() const = 0;
virtual bool ClientOnlyStreaming() const = 0;
virtual bool ServerOnlyStreaming() const = 0;
virtual bool BidiStreaming() const = 0;
};
// An abstract interface representing a service.
struct Service : public CommentHolder {
virtual ~Service() {}
virtual grpc::string name() const = 0;
virtual int method_count() const = 0;
virtual std::unique_ptr<const Method> method(int i) const = 0;
};
struct Printer {
virtual ~Printer() {}
virtual void Print(const std::map<grpc::string, grpc::string> &vars,
const char *template_string) = 0;
virtual void Print(const char *string) = 0;
virtual void Indent() = 0;
virtual void Outdent() = 0;
};
// An interface that allows the source generated to be output using various
// libraries/idls/serializers.
struct File : public CommentHolder {
virtual ~File() {}
virtual grpc::string filename() const = 0;
virtual grpc::string filename_without_ext() const = 0;
virtual grpc::string message_header_ext() const = 0;
virtual grpc::string service_header_ext() const = 0;
virtual grpc::string package() const = 0;
virtual std::vector<grpc::string> package_parts() const = 0;
virtual grpc::string additional_headers() const = 0;
virtual int service_count() const = 0;
virtual std::unique_ptr<const Service> service(int i) const = 0;
virtual std::unique_ptr<Printer> CreatePrinter(grpc::string *str) const = 0;
};
// Return the prologue of the generated header file.
grpc::string GetHeaderPrologue(File *file, const Parameters ¶ms);
// Return the includes needed for generated header file.
grpc::string GetHeaderIncludes(File *file, const Parameters ¶ms);
// Return the includes needed for generated source file.
grpc::string GetSourceIncludes(File *file, const Parameters ¶ms);
// Return the epilogue of the generated header file.
grpc::string GetHeaderEpilogue(File *file, const Parameters ¶ms);
// Return the prologue of the generated source file.
grpc::string GetSourcePrologue(File *file, const Parameters ¶ms);
// Return the services for generated header file.
grpc::string GetHeaderServices(File *file, const Parameters ¶ms);
// Return the services for generated source file.
grpc::string GetSourceServices(File *file, const Parameters ¶ms);
// Return the epilogue of the generated source file.
grpc::string GetSourceEpilogue(File *file, const Parameters ¶ms);
} // namespace grpc_cpp_generator
#endif // GRPC_INTERNAL_COMPILER_CPP_GENERATOR_H
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