diff options
Diffstat (limited to 'src/compiler')
-rw-r--r-- | src/compiler/cpp_generator.cc | 153 | ||||
-rw-r--r-- | src/compiler/cpp_generator.h | 19 | ||||
-rw-r--r-- | src/compiler/cpp_plugin.cc | 36 |
3 files changed, 182 insertions, 26 deletions
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc index 0a84c73520..c78f0333d8 100644 --- a/src/compiler/cpp_generator.cc +++ b/src/compiler/cpp_generator.cc @@ -109,8 +109,47 @@ bool HasBidiStreaming(const grpc::protobuf::FileDescriptor *file) { } return false; } + +grpc::string FilenameIdentifier(const grpc::string& filename) { + grpc::string result; + for (unsigned i = 0; i < filename.size(); i++) { + char c = filename[i]; + if (isalnum(c)) { + result.push_back(c); + } else { + static char hex[] = "0123456789abcdef"; + result.push_back('_'); + result.push_back(hex[(c >> 4) & 0xf]); + result.push_back(hex[c & 0xf]); + } + } + return result; +} } // namespace +grpc::string GetHeaderPrologue(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶ms) { + grpc::string output; + grpc::protobuf::io::StringOutputStream output_stream(&output); + grpc::protobuf::io::Printer printer(&output_stream, '$'); + std::map<grpc::string, grpc::string> vars; + + vars["filename"] = file->name(); + vars["filename_identifier"] = FilenameIdentifier(file->name()); + vars["filename_base"] = grpc_generator::StripProto(file->name()); + + printer.Print(vars, "// Generated by the gRPC protobuf plugin.\n"); + printer.Print(vars, "// If you make any local change, they will be lost.\n"); + printer.Print(vars, "// source: $filename$\n"); + printer.Print(vars, "#ifndef GRPC_$filename_identifier$__INCLUDED\n"); + printer.Print(vars, "#define GRPC_$filename_identifier$__INCLUDED\n"); + printer.Print(vars, "\n"); + printer.Print(vars, "#include \"$filename_base$.pb.h\"\n"); + printer.Print(vars, "\n"); + + return output; +} + grpc::string GetHeaderIncludes(const grpc::protobuf::FileDescriptor *file, const Parameters ¶ms) { grpc::string temp = @@ -156,17 +195,21 @@ grpc::string GetHeaderIncludes(const grpc::protobuf::FileDescriptor *file, "class ServerAsyncReaderWriter;\n"); } temp.append("} // namespace grpc\n"); - return temp; -} -grpc::string GetSourceIncludes(const Parameters ¶m) { - return "#include <grpc++/async_unary_call.h>\n" - "#include <grpc++/channel_interface.h>\n" - "#include <grpc++/impl/client_unary_call.h>\n" - "#include <grpc++/impl/rpc_method.h>\n" - "#include <grpc++/impl/rpc_service_method.h>\n" - "#include <grpc++/impl/service_type.h>\n" - "#include <grpc++/stream.h>\n"; + temp.append("\n"); + + std::vector<grpc::string> parts = + grpc_generator::tokenize(file->package(), "."); + + for (auto part = parts.begin(); part != parts.end(); part++) { + temp.append("namespace "); + temp.append(*part); + temp.append(" {\n"); + } + + temp.append("\n"); + + return temp; } void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer, @@ -378,6 +421,78 @@ grpc::string GetHeaderServices(const grpc::protobuf::FileDescriptor *file, return output; } +grpc::string GetHeaderEpilogue(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶ms) { + grpc::string output; + grpc::protobuf::io::StringOutputStream output_stream(&output); + grpc::protobuf::io::Printer printer(&output_stream, '$'); + std::map<grpc::string, grpc::string> vars; + + vars["filename"] = file->name(); + vars["filename_identifier"] = FilenameIdentifier(file->name()); + + std::vector<grpc::string> parts = + grpc_generator::tokenize(file->package(), "."); + + for (auto part = parts.rbegin(); part != parts.rend(); part++) { + vars["part"] = *part; + printer.Print(vars, "} // namespace $part$\n"); + } + + printer.Print(vars, "\n\n"); + printer.Print(vars, "#endif // GRPC_$filename_identifier$__INCLUDED\n"); + + return output; +} + +grpc::string GetSourcePrologue(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶ms) { + grpc::string output; + grpc::protobuf::io::StringOutputStream output_stream(&output); + grpc::protobuf::io::Printer printer(&output_stream, '$'); + std::map<grpc::string, grpc::string> vars; + + vars["filename"] = file->name(); + vars["filename_base"] = grpc_generator::StripProto(file->name()); + + printer.Print(vars, "// Generated by the gRPC protobuf plugin.\n"); + printer.Print(vars, "// If you make any local change, they will be lost.\n"); + printer.Print(vars, "// source: $filename$\n\n"); + printer.Print(vars, "#include \"$filename_base$.pb.h\"\n"); + printer.Print(vars, "#include \"$filename_base$.grpc.pb.h\"\n"); + printer.Print(vars, "\n"); + + return output; +} + +grpc::string GetSourceIncludes(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶m) { + grpc::string output; + grpc::protobuf::io::StringOutputStream output_stream(&output); + grpc::protobuf::io::Printer printer(&output_stream, '$'); + std::map<grpc::string, grpc::string> vars; + + printer.Print(vars, "#include <grpc++/async_unary_call.h>\n"); + printer.Print(vars, "#include <grpc++/channel_interface.h>\n"); + printer.Print(vars, "#include <grpc++/impl/client_unary_call.h>\n"); + printer.Print(vars, "#include <grpc++/impl/rpc_method.h>\n"); + printer.Print(vars, "#include <grpc++/impl/rpc_service_method.h>\n"); + printer.Print(vars, "#include <grpc++/impl/service_type.h>\n"); + printer.Print(vars, "#include <grpc++/stream.h>\n"); + + std::vector<grpc::string> parts = + grpc_generator::tokenize(file->package(), "."); + + for (auto part = parts.begin(); part != parts.end(); part++) { + vars["part"] = *part; + printer.Print(vars, "namespace $part$ {\n"); + } + + printer.Print(vars, "\n"); + + return output; +} + void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer, const grpc::protobuf::MethodDescriptor *method, std::map<grpc::string, grpc::string> *vars) { @@ -741,4 +856,22 @@ grpc::string GetSourceServices(const grpc::protobuf::FileDescriptor *file, return output; } +grpc::string GetSourceEpilogue(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶ms) { + grpc::string temp; + + std::vector<grpc::string> parts = + grpc_generator::tokenize(file->package(), "."); + + for (auto part = parts.begin(); part != parts.end(); part++) { + temp.append("} // namespace "); + temp.append(*part); + temp.append("\n"); + } + + temp.append("\n"); + + return temp; +} + } // namespace grpc_cpp_generator diff --git a/src/compiler/cpp_generator.h b/src/compiler/cpp_generator.h index 04ad71c067..70c2e985f6 100644 --- a/src/compiler/cpp_generator.h +++ b/src/compiler/cpp_generator.h @@ -44,12 +44,25 @@ struct Parameters { grpc::string services_namespace; }; +// Return the prologue of the generated header file. +grpc::string GetHeaderPrologue(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶ms); + // Return the includes needed for generated header file. grpc::string GetHeaderIncludes(const grpc::protobuf::FileDescriptor *file, const Parameters ¶ms); // Return the includes needed for generated source file. -grpc::string GetSourceIncludes(const Parameters ¶ms); +grpc::string GetSourceIncludes(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶ms); + +// Return the epilogue of the generated header file. +grpc::string GetHeaderEpilogue(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶ms); + +// Return the prologue of the generated source file. +grpc::string GetSourcePrologue(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶ms); // Return the services for generated header file. grpc::string GetHeaderServices(const grpc::protobuf::FileDescriptor *file, @@ -59,6 +72,10 @@ grpc::string GetHeaderServices(const grpc::protobuf::FileDescriptor *file, grpc::string GetSourceServices(const grpc::protobuf::FileDescriptor *file, const Parameters ¶ms); +// Return the epilogue of the generated source file. +grpc::string GetSourceEpilogue(const grpc::protobuf::FileDescriptor *file, + const Parameters ¶ms); + } // namespace grpc_cpp_generator #endif // GRPC_INTERNAL_COMPILER_CPP_GENERATOR_H diff --git a/src/compiler/cpp_plugin.cc b/src/compiler/cpp_plugin.cc index acbe128213..88c704948e 100644 --- a/src/compiler/cpp_plugin.cc +++ b/src/compiler/cpp_plugin.cc @@ -58,11 +58,6 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator { return false; } - if (file->service_count() == 0) { - // No services. Do nothing. - return true; - } - grpc_cpp_generator::Parameters generator_parameters; if (!parameter.empty()) { @@ -84,16 +79,27 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator { grpc::string file_name = grpc_generator::StripProto(file->name()); - // Generate .pb.h - Insert(context, file_name + ".pb.h", "includes", - grpc_cpp_generator::GetHeaderIncludes(file, generator_parameters)); - Insert(context, file_name + ".pb.h", "namespace_scope", - grpc_cpp_generator::GetHeaderServices(file, generator_parameters)); - // Generate .pb.cc - Insert(context, file_name + ".pb.cc", "includes", - grpc_cpp_generator::GetSourceIncludes(generator_parameters)); - Insert(context, file_name + ".pb.cc", "namespace_scope", - grpc_cpp_generator::GetSourceServices(file, generator_parameters)); + grpc::string header_code = + grpc_cpp_generator::GetHeaderPrologue(file, generator_parameters) + + grpc_cpp_generator::GetHeaderIncludes(file, generator_parameters) + + grpc_cpp_generator::GetHeaderServices(file, generator_parameters) + + grpc_cpp_generator::GetHeaderEpilogue(file, generator_parameters); + std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> header_output( + context->Open(file_name + ".grpc.pb.h")); + grpc::protobuf::io::CodedOutputStream header_coded_out( + header_output.get()); + header_coded_out.WriteRaw(header_code.data(), header_code.size()); + + grpc::string source_code = + grpc_cpp_generator::GetSourcePrologue(file, generator_parameters) + + grpc_cpp_generator::GetSourceIncludes(file, generator_parameters) + + grpc_cpp_generator::GetSourceServices(file, generator_parameters) + + grpc_cpp_generator::GetSourceEpilogue(file, generator_parameters); + std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> source_output( + context->Open(file_name + ".grpc.pb.cc")); + grpc::protobuf::io::CodedOutputStream source_coded_out( + source_output.get()); + source_coded_out.WriteRaw(source_code.data(), source_code.size()); return true; } |