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Add new -cc1 driver option -analyzer-config, which allows one to specify

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a comma separated collection of key:value pairs (which are strings).  This
allows a general way to provide analyzer configuration data from the command line.

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llvm-svn: 162827
This commit is contained in:
Ted Kremenek
2012-08-29 05:55:00 +00:00
parent 5f96ca51b6
commit fb5351eed3
8 changed files with 65 additions and 7 deletions
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30
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -1154,6 +1154,36 @@ static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
for (unsigned i = 0, e = checkers.size(); i != e; ++i)
Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable));
}
// Go through the analyzer configuration options.
for (arg_iterator it = Args.filtered_begin(OPT_analyzer_config),
ie = Args.filtered_end(); it != ie; ++it) {
const Arg *A = *it;
A->claim();
// We can have a list of comma separated config names, e.g:
// '-analyzer-config=key1:val1,key2:val2'
StringRef configList = A->getValue(Args);
SmallVector<StringRef, 4> configVals;
configList.split(configVals, ",");
for (unsigned i = 0, e = configVals.size(); i != e; ++i) {
StringRef key, val;
llvm::tie(key, val) = configVals[i].split(":");
if (val.empty()) {
Diags.Report(SourceLocation(),
diag::err_analyzer_config_no_value) << configVals[i];
Success = false;
break;
}
if (val.find(':') != StringRef::npos) {
Diags.Report(SourceLocation(),
diag::err_analyzer_config_multiple_values)
<< configVals[i];
Success = false;
break;
}
Opts.Config[key] = val;
}
}
return Success;
}