From 5db217305f37a79eeccd70f000088a06ec82fcec Mon Sep 17 00:00:00 2001 From: Bo Yang Date: Thu, 21 May 2015 14:28:59 -0700 Subject: down-integrate internal changes --- src/google/protobuf/compiler/code_generator.h | 31 +++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'src/google/protobuf/compiler/code_generator.h') diff --git a/src/google/protobuf/compiler/code_generator.h b/src/google/protobuf/compiler/code_generator.h index 321a8ccd..b989f151 100644 --- a/src/google/protobuf/compiler/code_generator.h +++ b/src/google/protobuf/compiler/code_generator.h @@ -79,6 +79,37 @@ class LIBPROTOC_EXPORT CodeGenerator { GeneratorContext* generator_context, string* error) const = 0; + // Generates code for all given proto files, generating one or more files in + // the given output directory. + // + // This method should be called instead of |Generate()| when + // |HasGenerateAll()| returns |true|. It is used to emulate legacy semantics + // when more than one `.proto` file is specified on one compiler invocation. + // + // WARNING: Please do not use unless legacy semantics force the code generator + // to produce a single output file for all input files, or otherwise require + // an examination of all input files first. The canonical code generator + // design produces one output file per input .proto file, and we do not wish + // to encourage alternate designs. + // + // A parameter is given as passed on the command line, as in |Generate()| + // above. + // + // Returns true if successful. Otherwise, sets *error to a description of + // the problem (e.g. "invalid parameter") and returns false. + virtual bool GenerateAll(const vector& files, + const string& parameter, + GeneratorContext* generator_context, + string* error) const { + *error = "Unimplemented GenerateAll() method."; + return false; + } + + // Returns true if the code generator expects to receive all FileDescriptors + // at once (via |GenerateAll()|), rather than one at a time (via + // |Generate()|). This is required to implement legacy semantics. + virtual bool HasGenerateAll() const { return false; } + private: GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(CodeGenerator); }; -- cgit v1.2.3