1 | // Copyright 2015 Google Inc. All Rights Reserved. |
2 | // |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
4 | // you may not use this file except in compliance with the License. |
5 | // You may obtain a copy of the License at |
6 | // |
7 | // http://www.apache.org/licenses/LICENSE-2.0 |
8 | // |
9 | // Unless required by applicable law or agreed to in writing, software |
10 | // distributed under the License is distributed on an "AS IS" BASIS, |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | // See the License for the specific language governing permissions and |
13 | // limitations under the License. |
14 | |
15 | #ifndef NINJA_CLPARSER_H_ |
16 | #define NINJA_CLPARSER_H_ |
17 | |
18 | #include <set> |
19 | #include <string> |
20 | |
21 | /// Visual Studio's cl.exe requires some massaging to work with Ninja; |
22 | /// for example, it emits include information on stderr in a funny |
23 | /// format when building with /showIncludes. This class parses this |
24 | /// output. |
25 | struct CLParser { |
26 | /// Parse a line of cl.exe output and extract /showIncludes info. |
27 | /// If a dependency is extracted, returns a nonempty string. |
28 | /// Exposed for testing. |
29 | static std::string FilterShowIncludes(const std::string& line, |
30 | const std::string& deps_prefix); |
31 | |
32 | /// Return true if a mentioned include file is a system path. |
33 | /// Filtering these out reduces dependency information considerably. |
34 | static bool IsSystemInclude(std::string path); |
35 | |
36 | /// Parse a line of cl.exe output and return true if it looks like |
37 | /// it's printing an input filename. This is a heuristic but it appears |
38 | /// to be the best we can do. |
39 | /// Exposed for testing. |
40 | static bool FilterInputFilename(std::string line); |
41 | |
42 | /// Parse the full output of cl, filling filtered_output with the text that |
43 | /// should be printed (if any). Returns true on success, or false with err |
44 | /// filled. output must not be the same object as filtered_object. |
45 | bool Parse(const std::string& output, const std::string& deps_prefix, |
46 | std::string* filtered_output, std::string* err); |
47 | |
48 | std::set<std::string> includes_; |
49 | }; |
50 | |
51 | #endif // NINJA_CLPARSER_H_ |
52 | |