[cfe-commits] r108756 - in /cfe/trunk: include/clang-c/Index.h include/clang/Basic/Diagnostic.h include/clang/Frontend/ASTUnit.h include/clang/Frontend/PreprocessorOptions.h lib/Basic/Diagnostic.cpp lib/Frontend/ASTUnit.cpp test/Index/cindex-from

Daniel Dunbar daniel at zuster.org
Mon Jul 19 17:13:19 PDT 2010


FYI:
c-index-test.c:1284: warning: string length '570' is greater than the
length '509' ISO C89 compilers are required to support

Which, it seems, Clang doesn't warn about. :)

 - Daniel

On Mon, Jul 19, 2010 at 2:46 PM, Douglas Gregor <dgregor at apple.com> wrote:
> Author: dgregor
> Date: Mon Jul 19 16:46:24 2010
> New Revision: 108756
>
> URL: http://llvm.org/viewvc/llvm-project?rev=108756&view=rev
> Log:
> Introduce a new libclang API, clang_reparseTranslationUnit(), which
> reparses an already-parsed translation unit. At the moment it's just a
> convenience function, but we hope to use it for performance
> optimizations.
>
> Modified:
>    cfe/trunk/include/clang-c/Index.h
>    cfe/trunk/include/clang/Basic/Diagnostic.h
>    cfe/trunk/include/clang/Frontend/ASTUnit.h
>    cfe/trunk/include/clang/Frontend/PreprocessorOptions.h
>    cfe/trunk/lib/Basic/Diagnostic.cpp
>    cfe/trunk/lib/Frontend/ASTUnit.cpp
>    cfe/trunk/test/Index/cindex-from-source.m
>    cfe/trunk/tools/c-index-test/c-index-test.c
>    cfe/trunk/tools/libclang/CIndex.cpp
>    cfe/trunk/tools/libclang/libclang.darwin.exports
>    cfe/trunk/tools/libclang/libclang.exports
>
> Modified: cfe/trunk/include/clang-c/Index.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang-c/Index.h?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang-c/Index.h (original)
> +++ cfe/trunk/include/clang-c/Index.h Mon Jul 19 16:46:24 2010
> @@ -640,6 +640,44 @@
>  CINDEX_LINKAGE void clang_disposeTranslationUnit(CXTranslationUnit);
>
>  /**
> + * \brief Reparse the source files that produced this translation unit.
> + *
> + * This routine can be used to re-parse the source files that originally
> + * created the given translation unit, for example because those source files
> + * have changed (either on disk or as passed via \p unsaved_files). The
> + * source code will be reparsed with the same command-line options as it
> + * was originally parsed.
> + *
> + * Reparsing a translation unit invalidates all cursors and source locations
> + * that refer into that translation unit. This makes reparsing a translation
> + * unit semantically equivalent to destroying the translation unit and then
> + * creating a new translation unit with the same command-line arguments.
> + * However, it may be more efficient to reparse a translation
> + * unit using this routine.
> + *
> + * \param TU The translation unit whose contents will be re-parsed. The
> + * translation unit must originally have been built with
> + * \c clang_createTranslationUnitFromSourceFile().
> + *
> + * \param num_unsaved_files The number of unsaved file entries in \p
> + * unsaved_files.
> + *
> + * \param unsaved_files The files that have not yet been saved to disk
> + * but may be required for parsing, including the contents of
> + * those files.  The contents and name of these files (as specified by
> + * CXUnsavedFile) are copied when necessary, so the client only needs to
> + * guarantee their validity until the call to this function returns.
> + *
> + * \returns 0 if the sources could be reparsed. A non-zero value will be
> + * returned if reparsing was impossible, such that the translation unit is
> + * invalid. In such cases, the only valid call for \p TU is
> + * \c clang_disposeTranslationUnit(TU).
> + */
> +CINDEX_LINKAGE int clang_reparseTranslationUnit(CXTranslationUnit TU,
> +                                                unsigned num_unsaved_files,
> +                                          struct CXUnsavedFile *unsaved_files);
> +
> +/**
>  * @}
>  */
>
>
> Modified: cfe/trunk/include/clang/Basic/Diagnostic.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Diagnostic.h?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/Diagnostic.h (original)
> +++ cfe/trunk/include/clang/Basic/Diagnostic.h Mon Jul 19 16:46:24 2010
> @@ -404,6 +404,10 @@
>     ArgToStringCookie = Cookie;
>   }
>
> +  /// \brief Reset the state of the diagnostic object to its initial
> +  /// configuration.
> +  void Reset();
> +
>   //===--------------------------------------------------------------------===//
>   // Diagnostic classification and reporting interfaces.
>   //
>
> Modified: cfe/trunk/include/clang/Frontend/ASTUnit.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/ASTUnit.h?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Frontend/ASTUnit.h (original)
> +++ cfe/trunk/include/clang/Frontend/ASTUnit.h Mon Jul 19 16:46:24 2010
> @@ -70,6 +70,9 @@
>   // FIXME: This is temporary; eventually, CIndex will always do this.
>   bool                              OnlyLocalDecls;
>
> +  /// \brief Whether to capture any diagnostics produced.
> +  bool CaptureDiagnostics;
> +
>   /// Track whether the main file was loaded from an AST or not.
>   bool MainFileIsAST;
>
> @@ -120,6 +123,9 @@
>
>   explicit ASTUnit(bool MainFileIsAST);
>
> +  void CleanTemporaryFiles();
> +  bool Parse();
> +
>  public:
>   class ConcurrencyCheck {
>     volatile ASTUnit &Self;
> @@ -259,6 +265,14 @@
>                                       RemappedFile *RemappedFiles = 0,
>                                       unsigned NumRemappedFiles = 0,
>                                       bool CaptureDiagnostics = false);
> +
> +  /// \brief Reparse the source files using the same command-line options that
> +  /// were originally used to produce this translation unit.
> +  ///
> +  /// \returns True if a failure occurred that causes the ASTUnit not to
> +  /// contain any translation-unit information, false otherwise.
> +  bool Reparse(RemappedFile *RemappedFiles = 0,
> +               unsigned NumRemappedFiles = 0);
>  };
>
>  } // namespace clang
>
> Modified: cfe/trunk/include/clang/Frontend/PreprocessorOptions.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/PreprocessorOptions.h?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Frontend/PreprocessorOptions.h (original)
> +++ cfe/trunk/include/clang/Frontend/PreprocessorOptions.h Mon Jul 19 16:46:24 2010
> @@ -95,6 +95,10 @@
>   void addRemappedFile(llvm::StringRef From, const llvm::MemoryBuffer * To) {
>     RemappedFileBuffers.push_back(std::make_pair(From, To));
>   }
> +  void clearRemappedFiles() {
> +    RemappedFiles.clear();
> +    RemappedFileBuffers.clear();
> +  }
>  };
>
>  } // end namespace clang
>
> Modified: cfe/trunk/lib/Basic/Diagnostic.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Diagnostic.cpp?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Basic/Diagnostic.cpp (original)
> +++ cfe/trunk/lib/Basic/Diagnostic.cpp Mon Jul 19 16:46:24 2010
> @@ -244,35 +244,10 @@
>
>
>  Diagnostic::Diagnostic(DiagnosticClient *client) : Client(client) {
> -  AllExtensionsSilenced = 0;
> -  IgnoreAllWarnings = false;
> -  WarningsAsErrors = false;
> -  ErrorsAsFatal = false;
> -  SuppressSystemWarnings = false;
> -  SuppressAllDiagnostics = false;
> -  ShowOverloads = Ovl_All;
> -  ExtBehavior = Ext_Ignore;
> -
> -  ErrorOccurred = false;
> -  FatalErrorOccurred = false;
> -  ErrorLimit = 0;
> -  TemplateBacktraceLimit = 0;
> -
> -  NumWarnings = 0;
> -  NumErrors = 0;
> -  NumErrorsSuppressed = 0;
> -  CustomDiagInfo = 0;
> -  CurDiagID = ~0U;
> -  LastDiagLevel = Ignored;
> -
>   ArgToStringFn = DummyArgToStringFn;
>   ArgToStringCookie = 0;
>
> -  DelayedDiagID = 0;
> -
> -  // Set all mappings to 'unset'.
> -  DiagMappings BlankDiags(diag::DIAG_UPPER_LIMIT/2, 0);
> -  DiagMappingsStack.push_back(BlankDiags);
> +  Reset();
>  }
>
>  Diagnostic::~Diagnostic() {
> @@ -335,6 +310,36 @@
>   return true;
>  }
>
> +void Diagnostic::Reset() {
> +  AllExtensionsSilenced = 0;
> +  IgnoreAllWarnings = false;
> +  WarningsAsErrors = false;
> +  ErrorsAsFatal = false;
> +  SuppressSystemWarnings = false;
> +  SuppressAllDiagnostics = false;
> +  ShowOverloads = Ovl_All;
> +  ExtBehavior = Ext_Ignore;
> +
> +  ErrorOccurred = false;
> +  FatalErrorOccurred = false;
> +  ErrorLimit = 0;
> +  TemplateBacktraceLimit = 0;
> +
> +  NumWarnings = 0;
> +  NumErrors = 0;
> +  NumErrorsSuppressed = 0;
> +  CustomDiagInfo = 0;
> +  CurDiagID = ~0U;
> +  LastDiagLevel = Ignored;
> +  DelayedDiagID = 0;
> +
> +  // Set all mappings to 'unset'.
> +  while (!DiagMappingsStack.empty())
> +    DiagMappingsStack.pop_back();
> +
> +  DiagMappings BlankDiags(diag::DIAG_UPPER_LIMIT/2, 0);
> +  DiagMappingsStack.push_back(BlankDiags);
> +}
>
>  /// getDescription - Given a diagnostic ID, return a description of the
>  /// issue.
>
> Modified: cfe/trunk/lib/Frontend/ASTUnit.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/ASTUnit.cpp?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Frontend/ASTUnit.cpp (original)
> +++ cfe/trunk/lib/Frontend/ASTUnit.cpp Mon Jul 19 16:46:24 2010
> @@ -36,12 +36,18 @@
>  using namespace clang;
>
>  ASTUnit::ASTUnit(bool _MainFileIsAST)
> -  : MainFileIsAST(_MainFileIsAST), ConcurrencyCheckValue(CheckUnlocked) { }
> +  : CaptureDiagnostics(false), MainFileIsAST(_MainFileIsAST),
> +    ConcurrencyCheckValue(CheckUnlocked) { }
>
>  ASTUnit::~ASTUnit() {
>   ConcurrencyCheckValue = CheckLocked;
> +  CleanTemporaryFiles();
> +}
> +
> +void ASTUnit::CleanTemporaryFiles() {
>   for (unsigned I = 0, N = TemporaryFiles.size(); I != N; ++I)
>     TemporaryFiles[I].eraseFromDisk();
> +  TemporaryFiles.clear();
>  }
>
>  namespace {
> @@ -156,7 +162,8 @@
>     DiagnosticOptions DiagOpts;
>     Diags = CompilerInstance::createDiagnostics(DiagOpts, 0, 0);
>   }
> -
> +
> +  AST->CaptureDiagnostics = CaptureDiagnostics;
>   AST->OnlyLocalDecls = OnlyLocalDecls;
>   AST->Diagnostics = Diags;
>   AST->FileMgr.reset(new FileManager);
> @@ -298,41 +305,38 @@
>
>  }
>
> -ASTUnit *ASTUnit::LoadFromCompilerInvocation(CompilerInvocation *CI,
> -                                   llvm::IntrusiveRefCntPtr<Diagnostic> Diags,
> -                                             bool OnlyLocalDecls,
> -                                             bool CaptureDiagnostics) {
> +/// Parse the source file into a translation unit using the given compiler
> +/// invocation, replacing the current translation unit.
> +///
> +/// \returns True if a failure occurred that causes the ASTUnit not to
> +/// contain any translation-unit information, false otherwise.
> +bool ASTUnit::Parse() {
> +  if (!Invocation.get())
> +    return true;
> +
>   // Create the compiler instance to use for building the AST.
>   CompilerInstance Clang;
> -  llvm::OwningPtr<ASTUnit> AST;
> -  llvm::OwningPtr<TopLevelDeclTrackerAction> Act;
> -
> -  if (!Diags.getPtr()) {
> -    // No diagnostics engine was provided, so create our own diagnostics object
> -    // with the default options.
> -    DiagnosticOptions DiagOpts;
> -    Diags = CompilerInstance::createDiagnostics(DiagOpts, 0, 0);
> -  }
> +  Clang.setInvocation(Invocation.take());
> +  OriginalSourceFile = Clang.getFrontendOpts().Inputs[0].second;
> +
> +  // Set up diagnostics.
> +  Clang.setDiagnostics(&getDiagnostics());
> +  Clang.setDiagnosticClient(getDiagnostics().getClient());
>
> -  Clang.setInvocation(CI);
> -
> -  Clang.setDiagnostics(Diags.getPtr());
> -  Clang.setDiagnosticClient(Diags->getClient());
> -
>   // Create the target instance.
>   Clang.setTarget(TargetInfo::CreateTargetInfo(Clang.getDiagnostics(),
>                                                Clang.getTargetOpts()));
>   if (!Clang.hasTarget()) {
>     Clang.takeDiagnosticClient();
> -    return 0;
> +    return true;
>   }
> -
> +
>   // Inform the target of the language options.
>   //
>   // FIXME: We shouldn't need to do this, the target should be immutable once
>   // created. This complexity should be lifted elsewhere.
>   Clang.getTarget().setForcedLangOptions(Clang.getLangOpts());
> -
> +
>   assert(Clang.getFrontendOpts().Inputs.size() == 1 &&
>          "Invocation must have exactly one source file!");
>   assert(Clang.getFrontendOpts().Inputs[0].first != IK_AST &&
> @@ -340,52 +344,84 @@
>   assert(Clang.getFrontendOpts().Inputs[0].first != IK_LLVM_IR &&
>          "IR inputs not support here!");
>
> -  // Create the AST unit.
> -  AST.reset(new ASTUnit(false));
> -  AST->Diagnostics = Diags;
> -  AST->FileMgr.reset(new FileManager);
> -  AST->SourceMgr.reset(new SourceManager(AST->getDiagnostics()));
> -  AST->OnlyLocalDecls = OnlyLocalDecls;
> -  AST->OriginalSourceFile = Clang.getFrontendOpts().Inputs[0].second;
> -
> +  // Configure the various subsystems.
> +  // FIXME: Should we retain the previous file manager?
> +  FileMgr.reset(new FileManager);
> +  SourceMgr.reset(new SourceManager(getDiagnostics()));
> +  Ctx.reset();
> +  PP.reset();
> +
> +  // Clear out old caches and data.
> +  TopLevelDecls.clear();
> +  StoredDiagnostics.clear();
> +  CleanTemporaryFiles();
> +  PreprocessedEntitiesByFile.clear();
> +
>   // Capture any diagnostics that would otherwise be dropped.
>   CaptureDroppedDiagnostics Capture(CaptureDiagnostics,
>                                     Clang.getDiagnostics(),
> -                                    AST->StoredDiagnostics);
> -
> +                                    StoredDiagnostics);
> +
>   // Create a file manager object to provide access to and cache the filesystem.
> -  Clang.setFileManager(&AST->getFileManager());
> -
> +  Clang.setFileManager(&getFileManager());
> +
>   // Create the source manager.
> -  Clang.setSourceManager(&AST->getSourceManager());
> -
> -  Act.reset(new TopLevelDeclTrackerAction(*AST));
> +  Clang.setSourceManager(&getSourceManager());
> +
> +  llvm::OwningPtr<TopLevelDeclTrackerAction> Act;
> +  Act.reset(new TopLevelDeclTrackerAction(*this));
>   if (!Act->BeginSourceFile(Clang, Clang.getFrontendOpts().Inputs[0].second,
>                             Clang.getFrontendOpts().Inputs[0].first))
>     goto error;
> -
> +
>   Act->Execute();
> -
> +
>   // Steal the created target, context, and preprocessor, and take back the
>   // source and file managers.
> -  AST->Ctx.reset(Clang.takeASTContext());
> -  AST->PP.reset(Clang.takePreprocessor());
> +  Ctx.reset(Clang.takeASTContext());
> +  PP.reset(Clang.takePreprocessor());
>   Clang.takeSourceManager();
>   Clang.takeFileManager();
> -  AST->Target.reset(Clang.takeTarget());
> -
> +  Target.reset(Clang.takeTarget());
> +
>   Act->EndSourceFile();
> -
> +
>   Clang.takeDiagnosticClient();
> -  Clang.takeInvocation();
> -
> -  AST->Invocation.reset(Clang.takeInvocation());
> -  return AST.take();
> -
> +
> +  Invocation.reset(Clang.takeInvocation());
> +  return false;
> +
>  error:
>   Clang.takeSourceManager();
>   Clang.takeFileManager();
>   Clang.takeDiagnosticClient();
> +  Invocation.reset(Clang.takeInvocation());
> +  return true;
> +}
> +
> +
> +ASTUnit *ASTUnit::LoadFromCompilerInvocation(CompilerInvocation *CI,
> +                                   llvm::IntrusiveRefCntPtr<Diagnostic> Diags,
> +                                             bool OnlyLocalDecls,
> +                                             bool CaptureDiagnostics) {
> +  if (!Diags.getPtr()) {
> +    // No diagnostics engine was provided, so create our own diagnostics object
> +    // with the default options.
> +    DiagnosticOptions DiagOpts;
> +    Diags = CompilerInstance::createDiagnostics(DiagOpts, 0, 0);
> +  }
> +
> +  // Create the AST unit.
> +  llvm::OwningPtr<ASTUnit> AST;
> +  AST.reset(new ASTUnit(false));
> +  AST->Diagnostics = Diags;
> +  AST->CaptureDiagnostics = CaptureDiagnostics;
> +  AST->OnlyLocalDecls = OnlyLocalDecls;
> +  AST->Invocation.reset(CI);
> +
> +  if (!AST->Parse())
> +    return AST.take();
> +
>   return 0;
>  }
>
> @@ -459,3 +495,19 @@
>   return LoadFromCompilerInvocation(CI.take(), Diags, OnlyLocalDecls,
>                                     CaptureDiagnostics);
>  }
> +
> +bool ASTUnit::Reparse(RemappedFile *RemappedFiles, unsigned NumRemappedFiles) {
> +  if (!Invocation.get())
> +    return true;
> +
> +  // Clear out the diagnostics state.
> +  getDiagnostics().Reset();
> +
> +  // Remap files.
> +  Invocation->getPreprocessorOpts().clearRemappedFiles();
> +  for (unsigned I = 0; I != NumRemappedFiles; ++I)
> +    Invocation->getPreprocessorOpts().addRemappedFile(RemappedFiles[I].first,
> +                                                       RemappedFiles[I].second);
> +
> +  return Parse();
> +}
>
> Modified: cfe/trunk/test/Index/cindex-from-source.m
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Index/cindex-from-source.m?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/test/Index/cindex-from-source.m (original)
> +++ cfe/trunk/test/Index/cindex-from-source.m Mon Jul 19 16:46:24 2010
> @@ -7,3 +7,6 @@
>  // CHECK: cindex-from-source.m:9:1: TypeRef=t0:1:13 Extent=[9:1 - 9:3]
>  struct s0 {};
>  t0 g0;
> +
> +// RUN: c-index-test -test-load-source-reparse 5 local %s -include %t.pfx.h > %t
> +// RUN: FileCheck %s < %t
>
> Modified: cfe/trunk/tools/c-index-test/c-index-test.c
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/c-index-test/c-index-test.c?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/tools/c-index-test/c-index-test.c (original)
> +++ cfe/trunk/tools/c-index-test/c-index-test.c Mon Jul 19 16:46:24 2010
> @@ -558,7 +558,7 @@
>   struct CXUnsavedFile *unsaved_files = 0;
>   int num_unsaved_files = 0;
>   int result;
> -
> +
>   Idx = clang_createIndex(/* excludeDeclsFromPCH */
>                           !strcmp(filter, "local") ? 1 : 0,
>                           /* displayDiagnosics=*/1);
> @@ -578,6 +578,7 @@
>                                                  unsaved_files);
>   if (!TU) {
>     fprintf(stderr, "Unable to load translation unit!\n");
> +    free_remapped_files(unsaved_files, num_unsaved_files);
>     clang_disposeIndex(Idx);
>     return 1;
>   }
> @@ -588,6 +589,57 @@
>   return result;
>  }
>
> +int perform_test_reparse_source(int argc, const char **argv, int trials,
> +                                const char *filter, CXCursorVisitor Visitor,
> +                                PostVisitTU PV) {
> +  const char *UseExternalASTs =
> +  getenv("CINDEXTEST_USE_EXTERNAL_AST_GENERATION");
> +  CXIndex Idx;
> +  CXTranslationUnit TU;
> +  struct CXUnsavedFile *unsaved_files = 0;
> +  int num_unsaved_files = 0;
> +  int result;
> +  int trial;
> +
> +  Idx = clang_createIndex(/* excludeDeclsFromPCH */
> +                          !strcmp(filter, "local") ? 1 : 0,
> +                          /* displayDiagnosics=*/1);
> +
> +  if (UseExternalASTs && strlen(UseExternalASTs))
> +    clang_setUseExternalASTGeneration(Idx, 1);
> +
> +  if (parse_remapped_files(argc, argv, 0, &unsaved_files, &num_unsaved_files)) {
> +    clang_disposeIndex(Idx);
> +    return -1;
> +  }
> +
> +  TU = clang_createTranslationUnitFromSourceFile(Idx, 0,
> +                                                 argc - num_unsaved_files,
> +                                                 argv + num_unsaved_files,
> +                                                 num_unsaved_files,
> +                                                 unsaved_files);
> +  if (!TU) {
> +    fprintf(stderr, "Unable to load translation unit!\n");
> +    free_remapped_files(unsaved_files, num_unsaved_files);
> +    clang_disposeIndex(Idx);
> +    return 1;
> +  }
> +
> +  for (trial = 0; trial < trials; ++trial) {
> +    if (clang_reparseTranslationUnit(TU, num_unsaved_files, unsaved_files)) {
> +      clang_disposeTranslationUnit(TU);
> +      free_remapped_files(unsaved_files, num_unsaved_files);
> +      clang_disposeIndex(Idx);
> +      return -1;
> +    }
> +  }
> +
> +  result = perform_test_load(Idx, TU, filter, NULL, Visitor, PV);
> +  free_remapped_files(unsaved_files, num_unsaved_files);
> +  clang_disposeIndex(Idx);
> +  return result;
> +}
> +
>  /******************************************************************************/
>  /* Logic for testing clang_getCursor().                                       */
>  /******************************************************************************/
> @@ -1219,6 +1271,8 @@
>            "[FileCheck prefix]\n"
>     "       c-index-test -test-load-source <symbol filter> {<args>}*\n");
>   fprintf(stderr,
> +    "       c-index-test -test-load-source-reparse <trials> <symbol filter> "
> +    "          {<args>}*\n"
>     "       c-index-test -test-load-source-usrs <symbol filter> {<args>}*\n"
>     "       c-index-test -test-annotate-tokens=<range> {<args>}*\n"
>     "       c-index-test -test-inclusion-stack-source {<args>}*\n"
> @@ -1252,6 +1306,14 @@
>       return perform_test_load_tu(argv[2], argv[3], argc >= 5 ? argv[4] : 0, I,
>                                   NULL);
>   }
> +  else if (argc >= 5 && strncmp(argv[1], "-test-load-source-reparse", 25) == 0){
> +    CXCursorVisitor I = GetVisitor(argv[1] + 25);
> +    if (I) {
> +      int trials = atoi(argv[2]);
> +      return perform_test_reparse_source(argc - 4, argv + 4, trials, argv[3], I,
> +                                         NULL);
> +    }
> +  }
>   else if (argc >= 4 && strncmp(argv[1], "-test-load-source", 17) == 0) {
>     CXCursorVisitor I = GetVisitor(argv[1] + 17);
>     if (I)
>
> Modified: cfe/trunk/tools/libclang/CIndex.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/CIndex.cpp?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/tools/libclang/CIndex.cpp (original)
> +++ cfe/trunk/tools/libclang/CIndex.cpp Mon Jul 19 16:46:24 2010
> @@ -1390,6 +1390,25 @@
>     delete static_cast<ASTUnit *>(CTUnit);
>  }
>
> +int clang_reparseTranslationUnit(CXTranslationUnit TU,
> +                                 unsigned num_unsaved_files,
> +                                 struct CXUnsavedFile *unsaved_files) {
> +  if (!TU)
> +    return 1;
> +
> +  llvm::SmallVector<ASTUnit::RemappedFile, 4> RemappedFiles;
> +  for (unsigned I = 0; I != num_unsaved_files; ++I) {
> +    llvm::StringRef Data(unsaved_files[I].Contents, unsaved_files[I].Length);
> +    const llvm::MemoryBuffer *Buffer
> +    = llvm::MemoryBuffer::getMemBufferCopy(Data, unsaved_files[I].Filename);
> +    RemappedFiles.push_back(std::make_pair(unsaved_files[I].Filename,
> +                                           Buffer));
> +  }
> +
> +  return static_cast<ASTUnit *>(TU)->Reparse(RemappedFiles.data(),
> +                                             RemappedFiles.size())? 1 : 0;
> +}
> +
>  CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
>   if (!CTUnit)
>     return createCXString("");
>
> Modified: cfe/trunk/tools/libclang/libclang.darwin.exports
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/libclang.darwin.exports?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/tools/libclang/libclang.darwin.exports (original)
> +++ cfe/trunk/tools/libclang/libclang.darwin.exports Mon Jul 19 16:46:24 2010
> @@ -86,6 +86,7 @@
>  _clang_isStatement
>  _clang_isTranslationUnit
>  _clang_isUnexposed
> +_clang_reparseTranslationUnit
>  _clang_setUseExternalASTGeneration
>  _clang_tokenize
>  _clang_visitChildren
>
> Modified: cfe/trunk/tools/libclang/libclang.exports
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/libclang.exports?rev=108756&r1=108755&r2=108756&view=diff
> ==============================================================================
> --- cfe/trunk/tools/libclang/libclang.exports (original)
> +++ cfe/trunk/tools/libclang/libclang.exports Mon Jul 19 16:46:24 2010
> @@ -86,6 +86,7 @@
>  clang_isStatement
>  clang_isTranslationUnit
>  clang_isUnexposed
> +clang_reparseTranslationUnit
>  clang_setUseExternalASTGeneration
>  clang_tokenize
>  clang_visitChildren
>
>
> _______________________________________________
> cfe-commits mailing list
> cfe-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>




More information about the cfe-commits mailing list