Пример #1
0
static void indexTranslationUnit(ASTUnit &Unit, IndexingContext &IdxCtx) {
  // FIXME: Only deserialize stuff from the last chained PCH, not the PCH/Module
  // that it depends on.

  bool OnlyLocal = !Unit.isMainFileAST() && Unit.getOnlyLocalDecls();

  if (OnlyLocal) {
    for (ASTUnit::top_level_iterator TL = Unit.top_level_begin(),
                                  TLEnd = Unit.top_level_end();
           TL != TLEnd; ++TL) {
      IdxCtx.indexTopLevelDecl(*TL);
      if (IdxCtx.shouldAbort())
        return;
    }

  } else {
    TranslationUnitDecl *TUDecl = Unit.getASTContext().getTranslationUnitDecl();
    for (TranslationUnitDecl::decl_iterator
           I = TUDecl->decls_begin(), E = TUDecl->decls_end(); I != E; ++I) {
      IdxCtx.indexTopLevelDecl(*I);
      if (IdxCtx.shouldAbort())
        return;
    }
  }
}
Пример #2
0
bool SerializationTest::Serialize(llvm::sys::Path& Filename,
                                  llvm::sys::Path& FNameDeclPrint,
                                  ASTContext &Ctx) {
    {
        // Pretty-print the decls to a temp file.
        std::string Err;
        llvm::raw_fd_ostream DeclPP(FNameDeclPrint.c_str(), true, Err);
        assert (Err.empty() && "Could not open file for printing out decls.");
        llvm::OwningPtr<ASTConsumer> FilePrinter(CreateASTPrinter(&DeclPP));

        TranslationUnitDecl *TUD = Ctx.getTranslationUnitDecl();
        for (DeclContext::decl_iterator I = TUD->decls_begin(Ctx),
                E = TUD->decls_end(Ctx);
                I != E; ++I)
            FilePrinter->HandleTopLevelDecl(DeclGroupRef(*I));
    }

    // Serialize the translation unit.

    // Reserve 256K for bitstream buffer.
    std::vector<unsigned char> Buffer;
    Buffer.reserve(256*1024);

    Ctx.EmitASTBitcodeBuffer(Buffer);

    // Write the bits to disk.
    if (FILE* fp = fopen(Filename.c_str(),"wb")) {
        fwrite((char*)&Buffer.front(), sizeof(char), Buffer.size(), fp);
        fclose(fp);
        return true;
    }

    return false;
}
bool FlattenCFGTransformer::execute() {
	this->renamer = new VarRenamer(this->resMgr);
	this->preTranser = new StmtPretransformer(this->resMgr);
	OwningPtr<RefVarToPtrMap> refMap(new RefVarToPtrMap(0));
	assert(refMap.get() && "reference variable map alloc failed");
	this->dclMover = new LocalDeclMover(this->resMgr, refMap.get());
	this->flat = new CFGFlattener(this->resMgr);

	TranslationUnitDecl *decls = this->resMgr.getCompilerInstance().getASTContext().getTranslationUnitDecl();
	for(TranslationUnitDecl::decl_iterator I = decls->decls_begin(), E = decls->decls_end();
			I != E; ++I) {
		Decl *D = *I;
		DPRINT("TUDecl %s %x | Ctx %x -> p %x", D->getDeclKindName(), (unsigned int)D, (unsigned int)D->getDeclContext(), (unsigned int)decls);
		SourceLocation Loc = D->getLocation();

		if(Loc.isInvalid() 
				|| this->compInst.getSourceManager().isInSystemHeader(Loc)){
			continue;
		}

		if(HandleAnyFunctionDecl(D)) {
			continue;
		} else if(HandleAnyClassDecl(D)) {
			continue;
		}
	}

	delete this->renamer;
	delete this->preTranser;
	delete this->dclMover;
	delete this->flat;
	refMap.reset();

	return true;
}
Пример #4
0
void ObjCMigrateASTConsumer::HandleTranslationUnit(ASTContext &Ctx) {
  
  TranslationUnitDecl *TU = Ctx.getTranslationUnitDecl();
  if (MigrateProperty)
    for (DeclContext::decl_iterator D = TU->decls_begin(), DEnd = TU->decls_end();
         D != DEnd; ++D) {
      if (ObjCInterfaceDecl *CDecl = dyn_cast<ObjCInterfaceDecl>(*D))
        migrateObjCInterfaceDecl(Ctx, CDecl);
      else if (ObjCProtocolDecl *PDecl = dyn_cast<ObjCProtocolDecl>(*D))
        ObjCProtocolDecls.insert(PDecl);
      else if (const ObjCImplementationDecl *ImpDecl =
               dyn_cast<ObjCImplementationDecl>(*D))
        migrateProtocolConformance(Ctx, ImpDecl);
      else if (const EnumDecl *ED = dyn_cast<EnumDecl>(*D)) {
        DeclContext::decl_iterator N = D;
        ++N;
        if (N != DEnd)
          if (const TypedefDecl *TD = dyn_cast<TypedefDecl>(*N))
            migrateNSEnumDecl(Ctx, ED, TD);
      }
      // migrate methods which can have instancetype as their result type.
      if (ObjCContainerDecl *CDecl = dyn_cast<ObjCContainerDecl>(*D))
        migrateInstanceType(Ctx, CDecl);
    }
  
  Rewriter rewriter(Ctx.getSourceManager(), Ctx.getLangOpts());
  RewritesReceiver Rec(rewriter);
  Editor->applyRewrites(Rec);

  for (Rewriter::buffer_iterator
        I = rewriter.buffer_begin(), E = rewriter.buffer_end(); I != E; ++I) {
    FileID FID = I->first;
    RewriteBuffer &buf = I->second;
    const FileEntry *file = Ctx.getSourceManager().getFileEntryForID(FID);
    assert(file);
    SmallString<512> newText;
    llvm::raw_svector_ostream vecOS(newText);
    buf.write(vecOS);
    vecOS.flush();
    llvm::MemoryBuffer *memBuf = llvm::MemoryBuffer::getMemBufferCopy(
                   StringRef(newText.data(), newText.size()), file->getName());
    SmallString<64> filePath(file->getName());
    FileMgr.FixupRelativePath(filePath);
    Remapper.remap(filePath.str(), memBuf);
  }

  if (IsOutputFile) {
    Remapper.flushToFile(MigrateDir, Ctx.getDiagnostics());
  } else {
    Remapper.flushToDisk(MigrateDir, Ctx.getDiagnostics());
  }
}
Пример #5
0
void ASTMergeAction::ExecuteAction() {
  CompilerInstance &CI = getCompilerInstance();
  CI.getDiagnostics().getClient()->BeginSourceFile(
                                             CI.getASTContext().getLangOpts());
  CI.getDiagnostics().SetArgToStringFn(&FormatASTNodeDiagnosticArgument,
                                       &CI.getASTContext());
  IntrusiveRefCntPtr<DiagnosticIDs>
      DiagIDs(CI.getDiagnostics().getDiagnosticIDs());
  for (unsigned I = 0, N = ASTFiles.size(); I != N; ++I) {
    IntrusiveRefCntPtr<DiagnosticsEngine>
        Diags(new DiagnosticsEngine(DiagIDs, &CI.getDiagnosticOpts(),
                                    new ForwardingDiagnosticConsumer(
                                          *CI.getDiagnostics().getClient()),
                                    /*ShouldOwnClient=*/true));
    ASTUnit *Unit = ASTUnit::LoadFromASTFile(ASTFiles[I], Diags,
                                             CI.getFileSystemOpts(), false);
    if (!Unit)
      continue;

    ASTImporter Importer(CI.getASTContext(), 
                         CI.getFileManager(),
                         Unit->getASTContext(), 
                         Unit->getFileManager(),
                         /*MinimalImport=*/false);

    TranslationUnitDecl *TU = Unit->getASTContext().getTranslationUnitDecl();
    for (DeclContext::decl_iterator D = TU->decls_begin(), 
                                 DEnd = TU->decls_end();
         D != DEnd; ++D) {
      // Don't re-import __va_list_tag, __builtin_va_list.
      if (NamedDecl *ND = dyn_cast<NamedDecl>(*D))
        if (IdentifierInfo *II = ND->getIdentifier())
          if (II->isStr("__va_list_tag") || II->isStr("__builtin_va_list"))
            continue;
      
      Importer.Import(*D);
    }

    delete Unit;
  }

  AdaptedAction->ExecuteAction();
  CI.getDiagnostics().getClient()->EndSourceFile();
}
Пример #6
0
bool SerializationTest::Deserialize(llvm::sys::Path& Filename,
                                    llvm::sys::Path& FNameDeclPrint) {

    // Deserialize the translation unit.
    ASTContext *NewCtx;

    {
        // Create the memory buffer that contains the contents of the file.
        llvm::OwningPtr<llvm::MemoryBuffer>
        MBuffer(llvm::MemoryBuffer::getFile(Filename.c_str()));

        if (!MBuffer)
            return false;

        NewCtx = ASTContext::ReadASTBitcodeBuffer(*MBuffer, FMgr);
    }

    if (!NewCtx)
        return false;

    {
        // Pretty-print the deserialized decls to a temp file.
        std::string Err;
        llvm::raw_fd_ostream DeclPP(FNameDeclPrint.c_str(), true, Err);
        assert (Err.empty() && "Could not open file for printing out decls.");
        llvm::OwningPtr<ASTConsumer> FilePrinter(CreateASTPrinter(&DeclPP));

        TranslationUnitDecl *TUD = NewCtx->getTranslationUnitDecl();
        for (DeclContext::decl_iterator I = TUD->decls_begin(*NewCtx),
                E = TUD->decls_end(*NewCtx);
                I != E; ++I)
            FilePrinter->HandleTopLevelDecl(DeclGroupRef(*I));
    }

    delete NewCtx;

    return true;
}
Пример #7
0
void ObjCMigrateASTConsumer::HandleTranslationUnit(ASTContext &Ctx) {
  
  TranslationUnitDecl *TU = Ctx.getTranslationUnitDecl();
  for (DeclContext::decl_iterator D = TU->decls_begin(), DEnd = TU->decls_end();
       D != DEnd; ++D) {
    if (ObjCInterfaceDecl *CDecl = dyn_cast<ObjCInterfaceDecl>(*D))
      migrateObjCInterfaceDecl(Ctx, CDecl);
  }
  
  Rewriter rewriter(Ctx.getSourceManager(), Ctx.getLangOpts());
  RewritesReceiver Rec(rewriter);
  Editor->applyRewrites(Rec);

  for (Rewriter::buffer_iterator
        I = rewriter.buffer_begin(), E = rewriter.buffer_end(); I != E; ++I) {
    FileID FID = I->first;
    RewriteBuffer &buf = I->second;
    const FileEntry *file = Ctx.getSourceManager().getFileEntryForID(FID);
    assert(file);
    SmallString<512> newText;
    llvm::raw_svector_ostream vecOS(newText);
    buf.write(vecOS);
    vecOS.flush();
    llvm::MemoryBuffer *memBuf = llvm::MemoryBuffer::getMemBufferCopy(
                   StringRef(newText.data(), newText.size()), file->getName());
    SmallString<64> filePath(file->getName());
    FileMgr.FixupRelativePath(filePath);
    Remapper.remap(filePath.str(), memBuf);
  }

  if (IsOutputFile) {
    Remapper.flushToFile(MigrateDir, Ctx.getDiagnostics());
  } else {
    Remapper.flushToDisk(MigrateDir, Ctx.getDiagnostics());
  }
}