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Diffstat (limited to 'src/clparser.h')
-rw-r--r-- | src/clparser.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/clparser.h b/src/clparser.h new file mode 100644 index 0000000..e597e7e --- /dev/null +++ b/src/clparser.h @@ -0,0 +1,52 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#ifndef NINJA_CLPARSER_H_ +#define NINJA_CLPARSER_H_ + +#include <set> +#include <string> +using namespace std; + +/// Visual Studio's cl.exe requires some massaging to work with Ninja; +/// for example, it emits include information on stderr in a funny +/// format when building with /showIncludes. This class parses this +/// output. +struct CLParser { + /// Parse a line of cl.exe output and extract /showIncludes info. + /// If a dependency is extracted, returns a nonempty string. + /// Exposed for testing. + static string FilterShowIncludes(const string& line, + const string& deps_prefix); + + /// Return true if a mentioned include file is a system path. + /// Filtering these out reduces dependency information considerably. + static bool IsSystemInclude(string path); + + /// Parse a line of cl.exe output and return true if it looks like + /// it's printing an input filename. This is a heuristic but it appears + /// to be the best we can do. + /// Exposed for testing. + static bool FilterInputFilename(string line); + + /// Parse the full output of cl, filling filtered_output with the text that + /// should be printed (if any). Returns true on success, or false with err + /// filled. output must not be the same object as filtered_object. + bool Parse(const string& output, const string& deps_prefix, + string* filtered_output, string* err); + + set<string> includes_; +}; + +#endif // NINJA_CLPARSER_H_ |