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authorZancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au>2012-09-24 09:58:17 +1000
committerZancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au>2012-09-24 09:58:17 +1000
commit222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch)
tree7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/lib/FrontendTool
parent3d206f03985b50beacae843d880bccdc91a9f424 (diff)
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/lib/FrontendTool')
-rw-r--r--clang/lib/FrontendTool/CMakeLists.txt11
-rw-r--r--clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp190
-rw-r--r--clang/lib/FrontendTool/Makefile13
3 files changed, 214 insertions, 0 deletions
diff --git a/clang/lib/FrontendTool/CMakeLists.txt b/clang/lib/FrontendTool/CMakeLists.txt
new file mode 100644
index 0000000..5270b1b
--- /dev/null
+++ b/clang/lib/FrontendTool/CMakeLists.txt
@@ -0,0 +1,11 @@
+set(LLVM_USED_LIBS clangDriver clangFrontend clangRewrite clangCodeGen
+ clangStaticAnalyzerFrontend clangStaticAnalyzerCheckers clangStaticAnalyzerCore
+ clangARCMigrate)
+
+add_clang_library(clangFrontendTool
+ ExecuteCompilerInvocation.cpp
+ )
+
+add_dependencies(clangFrontendTool
+ ClangCC1Options
+ ClangDiagnosticFrontend)
diff --git a/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
new file mode 100644
index 0000000..07d2b8d
--- /dev/null
+++ b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
@@ -0,0 +1,190 @@
+//===--- ExecuteCompilerInvocation.cpp ------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file holds ExecuteCompilerInvocation(). It is split into its own file to
+// minimize the impact of pulling in essentially everything else in Clang.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/FrontendTool/Utils.h"
+#include "clang/StaticAnalyzer/Frontend/FrontendActions.h"
+#include "clang/ARCMigrate/ARCMTActions.h"
+#include "clang/CodeGen/CodeGenAction.h"
+#include "clang/Driver/CC1Options.h"
+#include "clang/Driver/OptTable.h"
+#include "clang/Frontend/CompilerInvocation.h"
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/FrontendActions.h"
+#include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/Frontend/FrontendPluginRegistry.h"
+#include "clang/Rewrite/FrontendActions.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/DynamicLibrary.h"
+using namespace clang;
+
+static FrontendAction *CreateFrontendBaseAction(CompilerInstance &CI) {
+ using namespace clang::frontend;
+
+ switch (CI.getFrontendOpts().ProgramAction) {
+ case ASTDump: return new ASTDumpAction();
+ case ASTDumpXML: return new ASTDumpXMLAction();
+ case ASTPrint: return new ASTPrintAction();
+ case ASTView: return new ASTViewAction();
+ case DumpRawTokens: return new DumpRawTokensAction();
+ case DumpTokens: return new DumpTokensAction();
+ case EmitAssembly: return new EmitAssemblyAction();
+ case EmitBC: return new EmitBCAction();
+ case EmitHTML: return new HTMLPrintAction();
+ case EmitLLVM: return new EmitLLVMAction();
+ case EmitLLVMOnly: return new EmitLLVMOnlyAction();
+ case EmitCodeGenOnly: return new EmitCodeGenOnlyAction();
+ case EmitObj: return new EmitObjAction();
+ case FixIt: return new FixItAction();
+ case GenerateModule: return new GenerateModuleAction;
+ case GeneratePCH: return new GeneratePCHAction;
+ case GeneratePTH: return new GeneratePTHAction();
+ case InitOnly: return new InitOnlyAction();
+ case ParseSyntaxOnly: return new SyntaxOnlyAction();
+
+ case PluginAction: {
+ for (FrontendPluginRegistry::iterator it =
+ FrontendPluginRegistry::begin(), ie = FrontendPluginRegistry::end();
+ it != ie; ++it) {
+ if (it->getName() == CI.getFrontendOpts().ActionName) {
+ OwningPtr<PluginASTAction> P(it->instantiate());
+ if (!P->ParseArgs(CI, CI.getFrontendOpts().PluginArgs))
+ return 0;
+ return P.take();
+ }
+ }
+
+ CI.getDiagnostics().Report(diag::err_fe_invalid_plugin_name)
+ << CI.getFrontendOpts().ActionName;
+ return 0;
+ }
+
+ case PrintDeclContext: return new DeclContextPrintAction();
+ case PrintPreamble: return new PrintPreambleAction();
+ case PrintPreprocessedInput: return new PrintPreprocessedAction();
+ case RewriteMacros: return new RewriteMacrosAction();
+ case RewriteObjC: return new RewriteObjCAction();
+ case RewriteTest: return new RewriteTestAction();
+ case RunAnalysis: return new ento::AnalysisAction();
+ case MigrateSource: return new arcmt::MigrateSourceAction();
+ case RunPreprocessorOnly: return new PreprocessOnlyAction();
+ }
+ llvm_unreachable("Invalid program action!");
+}
+
+static FrontendAction *CreateFrontendAction(CompilerInstance &CI) {
+ // Create the underlying action.
+ FrontendAction *Act = CreateFrontendBaseAction(CI);
+ if (!Act)
+ return 0;
+
+ const FrontendOptions &FEOpts = CI.getFrontendOpts();
+
+ if (FEOpts.FixAndRecompile) {
+ Act = new FixItRecompile(Act);
+ }
+
+ // Potentially wrap the base FE action in an ARC Migrate Tool action.
+ switch (FEOpts.ARCMTAction) {
+ case FrontendOptions::ARCMT_None:
+ break;
+ case FrontendOptions::ARCMT_Check:
+ Act = new arcmt::CheckAction(Act);
+ break;
+ case FrontendOptions::ARCMT_Modify:
+ Act = new arcmt::ModifyAction(Act);
+ break;
+ case FrontendOptions::ARCMT_Migrate:
+ Act = new arcmt::MigrateAction(Act,
+ FEOpts.MTMigrateDir,
+ FEOpts.ARCMTMigrateReportOut,
+ FEOpts.ARCMTMigrateEmitARCErrors);
+ break;
+ }
+
+ if (FEOpts.ObjCMTAction != FrontendOptions::ObjCMT_None) {
+ Act = new arcmt::ObjCMigrateAction(Act, FEOpts.MTMigrateDir,
+ FEOpts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals,
+ FEOpts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting);
+ }
+
+ // If there are any AST files to merge, create a frontend action
+ // adaptor to perform the merge.
+ if (!FEOpts.ASTMergeFiles.empty())
+ Act = new ASTMergeAction(Act, FEOpts.ASTMergeFiles);
+
+ return Act;
+}
+
+bool clang::ExecuteCompilerInvocation(CompilerInstance *Clang) {
+ // Honor -help.
+ if (Clang->getFrontendOpts().ShowHelp) {
+ OwningPtr<driver::OptTable> Opts(driver::createCC1OptTable());
+ Opts->PrintHelp(llvm::outs(), "clang -cc1",
+ "LLVM 'Clang' Compiler: http://clang.llvm.org");
+ return 0;
+ }
+
+ // Honor -version.
+ //
+ // FIXME: Use a better -version message?
+ if (Clang->getFrontendOpts().ShowVersion) {
+ llvm::cl::PrintVersionMessage();
+ return 0;
+ }
+
+ // Load any requested plugins.
+ for (unsigned i = 0,
+ e = Clang->getFrontendOpts().Plugins.size(); i != e; ++i) {
+ const std::string &Path = Clang->getFrontendOpts().Plugins[i];
+ std::string Error;
+ if (llvm::sys::DynamicLibrary::LoadLibraryPermanently(Path.c_str(), &Error))
+ Clang->getDiagnostics().Report(diag::err_fe_unable_to_load_plugin)
+ << Path << Error;
+ }
+
+ // Honor -mllvm.
+ //
+ // FIXME: Remove this, one day.
+ // This should happen AFTER plugins have been loaded!
+ if (!Clang->getFrontendOpts().LLVMArgs.empty()) {
+ unsigned NumArgs = Clang->getFrontendOpts().LLVMArgs.size();
+ const char **Args = new const char*[NumArgs + 2];
+ Args[0] = "clang (LLVM option parsing)";
+ for (unsigned i = 0; i != NumArgs; ++i)
+ Args[i + 1] = Clang->getFrontendOpts().LLVMArgs[i].c_str();
+ Args[NumArgs + 1] = 0;
+ llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args);
+ }
+
+ // Honor -analyzer-checker-help.
+ // This should happen AFTER plugins have been loaded!
+ if (Clang->getAnalyzerOpts().ShowCheckerHelp) {
+ ento::printCheckerHelp(llvm::outs(), Clang->getFrontendOpts().Plugins);
+ return 0;
+ }
+
+ // If there were errors in processing arguments, don't do anything else.
+ bool Success = false;
+ if (!Clang->getDiagnostics().hasErrorOccurred()) {
+ // Create and execute the frontend action.
+ OwningPtr<FrontendAction> Act(CreateFrontendAction(*Clang));
+ if (Act) {
+ Success = Clang->ExecuteAction(*Act);
+ if (Clang->getFrontendOpts().DisableFree)
+ Act.take();
+ }
+ }
+
+ return Success;
+}
diff --git a/clang/lib/FrontendTool/Makefile b/clang/lib/FrontendTool/Makefile
new file mode 100644
index 0000000..c43213f
--- /dev/null
+++ b/clang/lib/FrontendTool/Makefile
@@ -0,0 +1,13 @@
+##===- clang/lib/FrontendTool/Makefile ---------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+CLANG_LEVEL := ../..
+LIBRARYNAME := clangFrontendTool
+
+include $(CLANG_LEVEL)/Makefile