Add FrontendActions, which provides a FrontendAction interface to all the existing AST consumer based clang-cc actions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88773 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/FrontendActions.cpp b/lib/Frontend/FrontendActions.cpp
new file mode 100644
index 0000000..4494f87
--- /dev/null
+++ b/lib/Frontend/FrontendActions.cpp
@@ -0,0 +1,178 @@
+//===--- FrontendActions.cpp ----------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Frontend/FrontendActions.h"
+#include "clang/AST/ASTConsumer.h"
+#include "clang/Basic/FileManager.h"
+#include "clang/Frontend/AnalysisConsumer.h"
+#include "clang/Frontend/ASTConsumers.h"
+#include "clang/Frontend/ASTUnit.h"
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/FixItRewriter.h"
+#include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/Frontend/Utils.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace clang;
+
+ASTConsumer *AnalysisAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateAnalysisConsumer(CI.getPreprocessor(),
+ CI.getFrontendOpts().OutputFile,
+ CI.getAnalyzerOpts());
+}
+
+ASTConsumer *ASTPrintAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateASTPrinter(CI.createDefaultOutputFile(false, InFile));
+}
+
+ASTConsumer *ASTPrintXMLAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateASTPrinterXML(CI.createDefaultOutputFile(false, InFile,
+ "xml"));
+}
+
+ASTConsumer *ASTDumpAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateASTDumper();
+}
+
+ASTConsumer *ASTViewAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateASTViewer();
+}
+
+ASTConsumer *DeclContextPrintAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateDeclContextPrinter();
+}
+
+ASTConsumer *DumpRecordAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateRecordLayoutDumper();
+}
+
+ASTConsumer *GeneratePCHAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ const std::string &Sysroot = CI.getHeaderSearchOpts().Sysroot;
+ if (CI.getFrontendOpts().RelocatablePCH &&
+ Sysroot.empty()) {
+ CI.getDiagnostics().Report(diag::err_relocatable_without_without_isysroot);
+ return 0;
+ }
+
+ llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, InFile);
+ if (CI.getFrontendOpts().RelocatablePCH)
+ return CreatePCHGenerator(CI.getPreprocessor(), OS, Sysroot.c_str());
+
+ return CreatePCHGenerator(CI.getPreprocessor(), OS);
+}
+
+ASTConsumer *HTMLPrintAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateHTMLPrinter(CI.createDefaultOutputFile(false, InFile),
+ CI.getPreprocessor());
+}
+
+ASTConsumer *InheritanceViewAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateInheritanceViewer(CI.getFrontendOpts().ViewClassInheritance);
+}
+
+FixItAction::FixItAction() {}
+FixItAction::~FixItAction() {}
+
+ASTConsumer *FixItAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return new ASTConsumer();
+}
+
+/// AddFixItLocations - Add any individual user specified "fix-it" locations,
+/// and return true on success.
+static bool AddFixItLocations(CompilerInstance &CI,
+ FixItRewriter &FixItRewrite) {
+ const std::vector<ParsedSourceLocation> &Locs =
+ CI.getFrontendOpts().FixItLocations;
+ for (unsigned i = 0, e = Locs.size(); i != e; ++i) {
+ const FileEntry *File = CI.getFileManager().getFile(Locs[i].FileName);
+ if (!File) {
+ CI.getDiagnostics().Report(diag::err_fe_unable_to_find_fixit_file)
+ << Locs[i].FileName;
+ return false;
+ }
+
+ RequestedSourceLocation Requested;
+ Requested.File = File;
+ Requested.Line = Locs[i].Line;
+ Requested.Column = Locs[i].Column;
+ FixItRewrite.addFixItLocation(Requested);
+ }
+
+ return true;
+}
+
+bool FixItAction::BeginSourceFileAction(CompilerInstance &CI,
+ llvm::StringRef Filename) {
+ Rewriter.reset(new FixItRewriter(CI.getDiagnostics(), CI.getSourceManager(),
+ CI.getLangOpts()));
+ if (!AddFixItLocations(CI, *Rewriter))
+ return false;
+
+ return true;
+}
+
+void FixItAction::EndSourceFileAction() {
+ const FrontendOptions &FEOpts = getCompilerInstance().getFrontendOpts();
+ Rewriter->WriteFixedFile(getCurrentFile(), FEOpts.OutputFile);
+}
+
+ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateObjCRewriter(InFile,
+ CI.createDefaultOutputFile(true, InFile, "cpp"),
+ CI.getDiagnostics(), CI.getLangOpts(),
+ CI.getDiagnosticOpts().NoRewriteMacros);
+}
+
+ASTConsumer *RewriteBlocksAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return CreateBlockRewriter(InFile, CI.getDiagnostics(), CI.getLangOpts());
+}
+
+ASTConsumer *SyntaxOnlyAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ return new ASTConsumer();
+}
+
+CodeGenAction::CodeGenAction(unsigned _Act) : Act(_Act) {}
+
+ASTConsumer *CodeGenAction::CreateASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ BackendAction BA = static_cast<BackendAction>(Act);
+ llvm::OwningPtr<llvm::raw_ostream> OS;
+ if (BA == Backend_EmitAssembly)
+ OS.reset(CI.createDefaultOutputFile(false, InFile, "s"));
+ else if (BA == Backend_EmitLL)
+ OS.reset(CI.createDefaultOutputFile(false, InFile, "ll"));
+ else if (BA == Backend_EmitBC)
+ OS.reset(CI.createDefaultOutputFile(true, InFile, "bc"));
+
+ return CreateBackendConsumer(BA, CI.getDiagnostics(), CI.getLangOpts(),
+ CI.getCodeGenOpts(), InFile, OS.take(),
+ CI.getLLVMContext());
+}
+
+EmitAssemblyAction::EmitAssemblyAction()
+ : CodeGenAction(Backend_EmitAssembly) {}
+
+EmitBCAction::EmitBCAction() : CodeGenAction(Backend_EmitBC) {}
+
+EmitLLVMAction::EmitLLVMAction() : CodeGenAction(Backend_EmitLL) {}
+
+EmitLLVMOnlyAction::EmitLLVMOnlyAction() : CodeGenAction(Backend_EmitNothing) {}