delete static_cast<CIndexer *>(CIdx);
}
-void clang_setUseExternalASTGeneration(CXIndex CIdx, int value) {
- if (CIdx) {
- CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
- CXXIdx->setUseExternalASTGeneration(value);
- }
-}
-
CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
const char *ast_filename) {
if (!CIdx)
Buffer));
}
- if (!CXXIdx->getUseExternalASTGeneration()) {
- llvm::SmallVector<const char *, 16> Args;
-
- // The 'source_filename' argument is optional. If the caller does not
- // specify it then it is assumed that the source file is specified
- // in the actual argument list.
- if (source_filename)
- Args.push_back(source_filename);
-
- // Since the Clang C library is primarily used by batch tools dealing with
- // (often very broken) source code, where spell-checking can have a
- // significant negative impact on performance (particularly when
- // precompiled headers are involved), we disable it by default.
- // Only do this if we haven't found a spell-checking-related argument.
- bool FoundSpellCheckingArgument = false;
- for (int I = 0; I != num_command_line_args; ++I) {
- if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
- strcmp(command_line_args[I], "-fspell-checking") == 0) {
- FoundSpellCheckingArgument = true;
- break;
- }
- }
- if (!FoundSpellCheckingArgument)
- Args.push_back("-fno-spell-checking");
-
- Args.insert(Args.end(), command_line_args,
- command_line_args + num_command_line_args);
-
- // Do we need the detailed preprocessing record?
- if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
- Args.push_back("-Xclang");
- Args.push_back("-detailed-preprocessing-record");
- }
-
- unsigned NumErrors = Diags->getNumErrors();
-
-#ifdef USE_CRASHTRACER
- ArgsCrashTracerInfo ACTI(Args);
-#endif
-
- llvm::OwningPtr<ASTUnit> Unit(
- ASTUnit::LoadFromCommandLine(Args.data(), Args.data() + Args.size(),
- Diags,
- CXXIdx->getClangResourcesPath(),
- CXXIdx->getOnlyLocalDecls(),
- RemappedFiles.data(),
- RemappedFiles.size(),
- /*CaptureDiagnostics=*/true,
- PrecompilePreamble,
- CompleteTranslationUnit,
- CacheCodeCompetionResults));
-
- if (NumErrors != Diags->getNumErrors()) {
- // Make sure to check that 'Unit' is non-NULL.
- if (CXXIdx->getDisplayDiagnostics() && Unit.get()) {
- for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
- DEnd = Unit->stored_diag_end();
- D != DEnd; ++D) {
- CXStoredDiagnostic Diag(*D, Unit->getASTContext().getLangOptions());
- CXString Msg = clang_formatDiagnostic(&Diag,
- clang_defaultDiagnosticDisplayOptions());
- fprintf(stderr, "%s\n", clang_getCString(Msg));
- clang_disposeString(Msg);
- }
-#ifdef LLVM_ON_WIN32
- // On Windows, force a flush, since there may be multiple copies of
- // stderr and stdout in the file system, all with different buffers
- // but writing to the same device.
- fflush(stderr);
-#endif
- }
- }
-
- PTUI->result = Unit.take();
- return;
- }
-
- // Build up the arguments for invoking 'clang'.
- std::vector<const char *> argv;
-
- // First add the complete path to the 'clang' executable.
- llvm::sys::Path ClangPath = static_cast<CIndexer *>(CIdx)->getClangPath();
- argv.push_back(ClangPath.c_str());
-
- // Add the '-emit-ast' option as our execution mode for 'clang'.
- argv.push_back("-emit-ast");
+ llvm::SmallVector<const char *, 16> Args;
// The 'source_filename' argument is optional. If the caller does not
// specify it then it is assumed that the source file is specified
// in the actual argument list.
if (source_filename)
- argv.push_back(source_filename);
-
- // Generate a temporary name for the AST file.
- argv.push_back("-o");
- char astTmpFile[L_tmpnam];
- argv.push_back(tmpnam(astTmpFile));
+ Args.push_back(source_filename);
// Since the Clang C library is primarily used by batch tools dealing with
// (often very broken) source code, where spell-checking can have a
// significant negative impact on performance (particularly when
// precompiled headers are involved), we disable it by default.
- // Note that we place this argument early in the list, so that it can be
- // overridden by the caller with "-fspell-checking".
- argv.push_back("-fno-spell-checking");
-
- // Remap any unsaved files to temporary files.
- std::vector<llvm::sys::Path> TemporaryFiles;
- std::vector<std::string> RemapArgs;
- if (RemapFiles(num_unsaved_files, unsaved_files, RemapArgs, TemporaryFiles))
- return;
-
- // The pointers into the elements of RemapArgs are stable because we
- // won't be adding anything to RemapArgs after this point.
- for (unsigned i = 0, e = RemapArgs.size(); i != e; ++i)
- argv.push_back(RemapArgs[i].c_str());
-
- // Process the compiler options, stripping off '-o', '-c', '-fsyntax-only'.
- for (int i = 0; i < num_command_line_args; ++i)
- if (const char *arg = command_line_args[i]) {
- if (strcmp(arg, "-o") == 0) {
- ++i; // Also skip the matching argument.
- continue;
- }
- if (strcmp(arg, "-emit-ast") == 0 ||
- strcmp(arg, "-c") == 0 ||
- strcmp(arg, "-fsyntax-only") == 0) {
- continue;
- }
-
- // Keep the argument.
- argv.push_back(arg);
+ // Only do this if we haven't found a spell-checking-related argument.
+ bool FoundSpellCheckingArgument = false;
+ for (int I = 0; I != num_command_line_args; ++I) {
+ if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
+ strcmp(command_line_args[I], "-fspell-checking") == 0) {
+ FoundSpellCheckingArgument = true;
+ break;
}
-
- // Generate a temporary name for the diagnostics file.
- char tmpFileResults[L_tmpnam];
- char *tmpResultsFileName = tmpnam(tmpFileResults);
- llvm::sys::Path DiagnosticsFile(tmpResultsFileName);
- TemporaryFiles.push_back(DiagnosticsFile);
- argv.push_back("-fdiagnostics-binary");
+ }
+ if (!FoundSpellCheckingArgument)
+ Args.push_back("-fno-spell-checking");
+
+ Args.insert(Args.end(), command_line_args,
+ command_line_args + num_command_line_args);
// Do we need the detailed preprocessing record?
if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
- argv.push_back("-Xclang");
- argv.push_back("-detailed-preprocessing-record");
+ Args.push_back("-Xclang");
+ Args.push_back("-detailed-preprocessing-record");
}
- // Add the null terminator.
- argv.push_back(NULL);
-
- // Invoke 'clang'.
- llvm::sys::Path DevNull; // leave empty, causes redirection to /dev/null
- // on Unix or NUL (Windows).
- std::string ErrMsg;
- const llvm::sys::Path *Redirects[] = { &DevNull, &DevNull, &DiagnosticsFile,
- NULL };
- llvm::sys::Program::ExecuteAndWait(ClangPath, &argv[0], /* env */ NULL,
- /* redirects */ &Redirects[0],
- /* secondsToWait */ 0, /* memoryLimits */ 0, &ErrMsg);
-
- if (!ErrMsg.empty()) {
- std::string AllArgs;
- for (std::vector<const char*>::iterator I = argv.begin(), E = argv.end();
- I != E; ++I) {
- AllArgs += ' ';
- if (*I)
- AllArgs += *I;
- }
+ unsigned NumErrors = Diags->getNumErrors();
- Diags->Report(diag::err_fe_invoking) << AllArgs << ErrMsg;
- }
+#ifdef USE_CRASHTRACER
+ ArgsCrashTracerInfo ACTI(Args);
+#endif
- ASTUnit *ATU = ASTUnit::LoadFromASTFile(astTmpFile, Diags,
- CXXIdx->getOnlyLocalDecls(),
- RemappedFiles.data(),
- RemappedFiles.size(),
- /*CaptureDiagnostics=*/true);
- if (ATU) {
- LoadSerializedDiagnostics(DiagnosticsFile,
- num_unsaved_files, unsaved_files,
- ATU->getFileManager(),
- ATU->getSourceManager(),
- ATU->getStoredDiagnostics());
- } else if (CXXIdx->getDisplayDiagnostics()) {
- // We failed to load the ASTUnit, but we can still deserialize the
- // diagnostics and emit them.
- FileManager FileMgr;
- Diagnostic Diag;
- SourceManager SourceMgr(Diag);
- // FIXME: Faked LangOpts!
- LangOptions LangOpts;
- llvm::SmallVector<StoredDiagnostic, 4> Diags;
- LoadSerializedDiagnostics(DiagnosticsFile,
- num_unsaved_files, unsaved_files,
- FileMgr, SourceMgr, Diags);
- for (llvm::SmallVector<StoredDiagnostic, 4>::iterator D = Diags.begin(),
- DEnd = Diags.end();
- D != DEnd; ++D) {
- CXStoredDiagnostic Diag(*D, LangOpts);
- CXString Msg = clang_formatDiagnostic(&Diag,
- clang_defaultDiagnosticDisplayOptions());
- fprintf(stderr, "%s\n", clang_getCString(Msg));
- clang_disposeString(Msg);
- }
-
+ llvm::OwningPtr<ASTUnit> Unit(
+ ASTUnit::LoadFromCommandLine(Args.data(), Args.data() + Args.size(),
+ Diags,
+ CXXIdx->getClangResourcesPath(),
+ CXXIdx->getOnlyLocalDecls(),
+ RemappedFiles.data(),
+ RemappedFiles.size(),
+ /*CaptureDiagnostics=*/true,
+ PrecompilePreamble,
+ CompleteTranslationUnit,
+ CacheCodeCompetionResults));
+
+ if (NumErrors != Diags->getNumErrors()) {
+ // Make sure to check that 'Unit' is non-NULL.
+ if (CXXIdx->getDisplayDiagnostics() && Unit.get()) {
+ for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
+ DEnd = Unit->stored_diag_end();
+ D != DEnd; ++D) {
+ CXStoredDiagnostic Diag(*D, Unit->getASTContext().getLangOptions());
+ CXString Msg = clang_formatDiagnostic(&Diag,
+ clang_defaultDiagnosticDisplayOptions());
+ fprintf(stderr, "%s\n", clang_getCString(Msg));
+ clang_disposeString(Msg);
+ }
#ifdef LLVM_ON_WIN32
- // On Windows, force a flush, since there may be multiple copies of
- // stderr and stdout in the file system, all with different buffers
- // but writing to the same device.
- fflush(stderr);
-#endif
+ // On Windows, force a flush, since there may be multiple copies of
+ // stderr and stdout in the file system, all with different buffers
+ // but writing to the same device.
+ fflush(stderr);
+#endif
+ }
}
- if (ATU) {
- // Make the translation unit responsible for destroying all temporary files.
- for (unsigned i = 0, e = TemporaryFiles.size(); i != e; ++i)
- ATU->addTemporaryFile(TemporaryFiles[i]);
- ATU->addTemporaryFile(llvm::sys::Path(ATU->getASTFileName()));
- } else {
- // Destroy all of the temporary files now; they can't be referenced any
- // longer.
- llvm::sys::Path(astTmpFile).eraseFromDisk();
- for (unsigned i = 0, e = TemporaryFiles.size(); i != e; ++i)
- TemporaryFiles[i].eraseFromDisk();
- }
-
- PTUI->result = ATU;
+ PTUI->result = Unit.take();
}
CXTranslationUnit clang_parseTranslationUnit(CXIndex CIdx,
const char *source_filename,
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