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WIP better command line parsing

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This commit is contained in:
Jacob Dufault 2017-05-08 18:21:21 -07:00
parent 9ffed9a253
commit a97bd9d1c4
1 changed files with 62 additions and 4 deletions
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64
src/project.cc
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@ -22,9 +22,61 @@ MAKE_REFLECT_STRUCT(CompileCommandsEntry, directory, file, command, args);
namespace {
static const char* kBlacklistMulti[] = {
"-MF",
"-Xclang"
};
// Blacklisted flags which are always removed from the command line.
static const char *kBlacklist[] = {
"-stdlib=libc++"
"--param",
"-M",
"-MD",
"-MG",
"-MM",
"-MMD",
"-MP",
"-MQ",
"-MT",
"-Og",
"-Wa,--32",
"-Wa,--64",
"-Wl,--incremental-full",
"-Wl,--incremental-patch,1",
"-Wl,--no-incremental",
"-fbuild-session-file=",
"-fbuild-session-timestamp=",
"-fembed-bitcode",
"-fembed-bitcode-marker",
"-fmodules-validate-once-per-build-session",
"-fno-delete-null-pointer-checks",
"-fno-use-linker-plugin"
"-fno-var-tracking",
"-fno-var-tracking-assignments",
"-fno-enforce-eh-specs",
"-fvar-tracking",
"-fvar-tracking-assignments",
"-fvar-tracking-assignments-toggle",
"-gcc-toolchain",
"-march=",
"-masm=",
"-mcpu=",
"-mfpmath=",
"-mtune=",
"-s",
"-B",
//"-f",
//"-pipe",
//"-W",
// TODO: make sure we consume includes before stripping all path-like args.
"/work/goma/gomacc",
"../../third_party/llvm-build/Release+Asserts/bin/clang++",
"-Wno-unused-lambda-capture",
"/",
"..",
//"-stdlib=libc++"
};
// Arguments which are followed by a potentially relative path. We need to make
@ -47,6 +99,12 @@ Project::Entry GetCompilationEntryFromCompileCommandEntry(const std::vector<std:
std::string arg = entry.args[i];
// If blacklist skip.
if (std::any_of(std::begin(kBlacklistMulti), std::end(kBlacklistMulti), [&arg](const char* value) {
return StartsWith(arg, value);
})) {
++i;
continue;
}
if (std::any_of(std::begin(kBlacklist), std::end(kBlacklist), [&arg](const char* value) {
return StartsWith(arg, value);
})) {
@ -88,9 +146,9 @@ Project::Entry GetCompilationEntryFromCompileCommandEntry(const std::vector<std:
// Clang does not have good hueristics for determining source language. We
// default to C++11 if the user has not specified.
if (!StartsWithAny(entry.args, "-x"))
if (!StartsWithAny(result.args, "-x"))
result.args.push_back("-xc++");
if (!StartsWithAny(entry.args, "-std="))
if (!StartsWithAny(result.args, "-std="))
result.args.push_back("-std=c++11");
return result;