diff options
| -rw-r--r-- | clang/tools/clang-cc/clang-cc.cpp | 92 |
1 files changed, 90 insertions, 2 deletions
diff --git a/clang/tools/clang-cc/clang-cc.cpp b/clang/tools/clang-cc/clang-cc.cpp index ba4d77795f9..316e242dc11 100644 --- a/clang/tools/clang-cc/clang-cc.cpp +++ b/clang/tools/clang-cc/clang-cc.cpp @@ -1841,6 +1841,82 @@ FixItAtLocations("fixit-at", llvm::cl::value_desc("source-location"), llvm::cl::desc("Perform Fix-It modifications at the given source location")); //===----------------------------------------------------------------------===// +// -dump-build-information Stuff +//===----------------------------------------------------------------------===// + +static llvm::cl::opt<std::string> +DumpBuildInformation("dump-build-information", + llvm::cl::value_desc("filename"), + llvm::cl::desc("output a dump of some build information to a file")); + +static llvm::raw_ostream *BuildLogFile = 0; + +/// LoggingDiagnosticClient - This is a simple diagnostic client that forwards +/// all diagnostics to both BuildLogFile and a chained DiagnosticClient. +namespace { +class LoggingDiagnosticClient : public DiagnosticClient { + llvm::OwningPtr<DiagnosticClient> Chain1; + llvm::OwningPtr<DiagnosticClient> Chain2; +public: + + LoggingDiagnosticClient(DiagnosticClient *Normal) { + // Output diags both where requested... + Chain1.reset(Normal); + // .. and to our log file. + Chain2.reset(new TextDiagnosticPrinter(*BuildLogFile, + !NoShowColumn, + !NoCaretDiagnostics, + !NoShowLocation, + PrintSourceRangeInfo, + PrintDiagnosticOption)); + } + + virtual void setLangOptions(const LangOptions *LO) { + Chain1->setLangOptions(LO); + Chain2->setLangOptions(LO); + } + + virtual bool IncludeInDiagnosticCounts() const { + return Chain1->IncludeInDiagnosticCounts(); + } + + virtual void HandleDiagnostic(Diagnostic::Level DiagLevel, + const DiagnosticInfo &Info) { + Chain1->HandleDiagnostic(DiagLevel, Info); + Chain2->HandleDiagnostic(DiagLevel, Info); + } +}; +} // end anonymous namespace. + +static void SetUpBuildDumpLog(unsigned argc, char **argv, + llvm::OwningPtr<DiagnosticClient> &DiagClient) { + + std::string ErrorInfo; + BuildLogFile = new llvm::raw_fd_ostream(DumpBuildInformation.c_str(), false, + ErrorInfo); + + if (!ErrorInfo.empty()) { + llvm::errs() << "error opening -dump-build-information file '" + << DumpBuildInformation << "', option ignored!\n"; + delete BuildLogFile; + BuildLogFile = 0; + DumpBuildInformation = ""; + return; + } + + (*BuildLogFile) << "clang-cc command line arguments: "; + for (unsigned i = 0; i != argc; ++i) + (*BuildLogFile) << argv[i] << ' '; + (*BuildLogFile) << '\n'; + + // LoggingDiagnosticClient - Insert a new logging diagnostic client in between + // the diagnostic producers and the normal receiver. + DiagClient.reset(new LoggingDiagnosticClient(DiagClient.take())); +} + + + +//===----------------------------------------------------------------------===// // Main driver //===----------------------------------------------------------------------===// @@ -2252,6 +2328,17 @@ int main(int argc, char **argv) { } else { DiagClient.reset(CreateHTMLDiagnosticClient(HTMLDiag)); } + + if (!DumpBuildInformation.empty()) { + if (!HTMLDiag.empty()) { + fprintf(stderr, + "-dump-build-information and -html-diags don't work together\n"); + return 1; + } + + SetUpBuildDumpLog(argc, argv, DiagClient); + } + // Configure our handling of diagnostics. Diagnostic Diags(DiagClient.get()); @@ -2350,13 +2437,14 @@ int main(int argc, char **argv) { FileMgr.PrintStats(); fprintf(stderr, "\n"); } + + delete ClangFrontendTimer; + delete BuildLogFile; // If verifying diagnostics and we reached here, all is well. if (VerifyDiagnostics) return 0; - delete ClangFrontendTimer; - // Managed static deconstruction. Useful for making things like // -time-passes usable. llvm::llvm_shutdown(); |
