diff options
Diffstat (limited to 'src/google/protobuf/compiler/plugin.h')
-rw-r--r-- | src/google/protobuf/compiler/plugin.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/plugin.h b/src/google/protobuf/compiler/plugin.h index 679f9bdb..d2793a9f 100644 --- a/src/google/protobuf/compiler/plugin.h +++ b/src/google/protobuf/compiler/plugin.h @@ -40,6 +40,13 @@ // } // You must link your plugin against libprotobuf and libprotoc. // +// The core part of PluginMain is to invoke the given CodeGenerator on a +// CodeGeneratorRequest to generate a CodeGeneratorResponse. This part is +// abstracted out and made into function GenerateCode so that it can be reused, +// for example, to implement a variant of PluginMain that does some +// preprocessing on the input CodeGeneratorRequest before feeding the request +// to the given code generator. +// // To get protoc to use the plugin, do one of the following: // * Place the plugin binary somewhere in the PATH and give it the name // "protoc-gen-NAME" (replacing "NAME" with the name of your plugin). If you @@ -55,16 +62,27 @@ #ifndef GOOGLE_PROTOBUF_COMPILER_PLUGIN_H__ #define GOOGLE_PROTOBUF_COMPILER_PLUGIN_H__ +#include <string> + #include <google/protobuf/stubs/common.h> namespace google { namespace protobuf { namespace compiler { class CodeGenerator; // code_generator.h +class CodeGeneratorRequest; +class CodeGeneratorResponse; // Implements main() for a protoc plugin exposing the given code generator. LIBPROTOC_EXPORT int PluginMain(int argc, char* argv[], const CodeGenerator* generator); +// Generates code using the given code generator. Returns true if the code +// generation is successful. If the code geneartion fails, error_msg may be +// populated to describe the failure cause. +bool GenerateCode(const CodeGeneratorRequest& request, + const CodeGenerator& generator, CodeGeneratorResponse* response, + string* error_msg); + } // namespace compiler } // namespace protobuf |