46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
// Declares clang::SyntaxOnlyAction.
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#include "clang/Frontend/FrontendActions.h"
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#include "clang/Tooling/CommonOptionsParser.h"
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#include "clang/Tooling/Tooling.h"
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// Declares llvm::cl::extrahelp.
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#include "llvm/Support/CommandLine.h"
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#include "OperationFinder.hpp"
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using namespace clang::tooling;
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using namespace clang::ast_matchers;
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using namespace llvm;
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// Apply a custom category to all command-line options so that they are the
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// only ones displayed.
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static llvm::cl::OptionCategory MyToolCategory("opcounter options");
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// CommonOptionsParser declares HelpMessage with a description of the common
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// command-line options related to the compilation database and input files.
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// It's nice to have this help message in all tools.
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static cl::extrahelp CommonHelp(CommonOptionsParser::HelpMessage);
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// A help message for this specific tool can be added afterwards.
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static cl::extrahelp MoreHelp("\nMore help text...\n");
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int main(int argc, const char** argv)
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{
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auto ExpectedParser = CommonOptionsParser::create(argc, argv, MyToolCategory);
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if (!ExpectedParser)
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{
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// Fail gracefully for unsupported options.
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llvm::errs() << ExpectedParser.takeError();
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return 1;
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}
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CommonOptionsParser& OptionsParser = ExpectedParser.get();
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ClangTool Tool(OptionsParser.getCompilations(),
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OptionsParser.getSourcePathList());
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OperationFinder op_finder;
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MatchFinder finder;
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op_finder.addMatcher(finder);
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return Tool.run(newFrontendActionFactory(&finder).get());
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} |