Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 1 | //===--- ExecuteCompilerInvocation.cpp ------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file holds ExecuteCompilerInvocation(). It is split into its own file to |
| 11 | // minimize the impact of pulling in essentially everything else in Clang. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
Peter Collingbourne | 1b7255d | 2010-08-24 00:31:22 +0000 | [diff] [blame] | 15 | #include "clang/FrontendTool/Utils.h" |
Argyrios Kyrtzidis | 43dee22 | 2011-02-14 18:13:31 +0000 | [diff] [blame] | 16 | #include "clang/StaticAnalyzer/Frontend/FrontendActions.h" |
Chandler Carruth | f7f8188 | 2011-06-16 16:17:05 +0000 | [diff] [blame] | 17 | #include "clang/ARCMigrate/ARCMTActions.h" |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 18 | #include "clang/CodeGen/CodeGenAction.h" |
| 19 | #include "clang/Driver/CC1Options.h" |
| 20 | #include "clang/Driver/OptTable.h" |
| 21 | #include "clang/Frontend/CompilerInvocation.h" |
| 22 | #include "clang/Frontend/CompilerInstance.h" |
| 23 | #include "clang/Frontend/FrontendActions.h" |
| 24 | #include "clang/Frontend/FrontendDiagnostic.h" |
| 25 | #include "clang/Frontend/FrontendPluginRegistry.h" |
| 26 | #include "clang/Rewrite/FrontendActions.h" |
| 27 | #include "llvm/Support/ErrorHandling.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 28 | #include "llvm/Support/DynamicLibrary.h" |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 29 | using namespace clang; |
| 30 | |
| 31 | static FrontendAction *CreateFrontendBaseAction(CompilerInstance &CI) { |
| 32 | using namespace clang::frontend; |
| 33 | |
| 34 | switch (CI.getFrontendOpts().ProgramAction) { |
| 35 | default: |
| 36 | llvm_unreachable("Invalid program action!"); |
| 37 | |
| 38 | case ASTDump: return new ASTDumpAction(); |
John McCall | f351424 | 2010-11-24 11:21:45 +0000 | [diff] [blame] | 39 | case ASTDumpXML: return new ASTDumpXMLAction(); |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 40 | case ASTPrint: return new ASTPrintAction(); |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 41 | case ASTView: return new ASTViewAction(); |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 42 | case DumpRawTokens: return new DumpRawTokensAction(); |
| 43 | case DumpTokens: return new DumpTokensAction(); |
| 44 | case EmitAssembly: return new EmitAssemblyAction(); |
| 45 | case EmitBC: return new EmitBCAction(); |
| 46 | case EmitHTML: return new HTMLPrintAction(); |
| 47 | case EmitLLVM: return new EmitLLVMAction(); |
| 48 | case EmitLLVMOnly: return new EmitLLVMOnlyAction(); |
| 49 | case EmitCodeGenOnly: return new EmitCodeGenOnlyAction(); |
| 50 | case EmitObj: return new EmitObjAction(); |
| 51 | case FixIt: return new FixItAction(); |
Douglas Gregor | d2536a6 | 2011-11-15 22:58:25 +0000 | [diff] [blame] | 52 | case GenerateModule: return new GeneratePCHAction(true); |
Douglas Gregor | db1cde7 | 2011-11-16 00:09:06 +0000 | [diff] [blame] | 53 | case GenerateModuleFromMap: return new GenerateModuleAction; |
Douglas Gregor | d2536a6 | 2011-11-15 22:58:25 +0000 | [diff] [blame] | 54 | case GeneratePCH: return new GeneratePCHAction(false); |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 55 | case GeneratePTH: return new GeneratePTHAction(); |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 56 | case InitOnly: return new InitOnlyAction(); |
| 57 | case ParseSyntaxOnly: return new SyntaxOnlyAction(); |
| 58 | |
| 59 | case PluginAction: { |
| 60 | for (FrontendPluginRegistry::iterator it = |
| 61 | FrontendPluginRegistry::begin(), ie = FrontendPluginRegistry::end(); |
| 62 | it != ie; ++it) { |
| 63 | if (it->getName() == CI.getFrontendOpts().ActionName) { |
| 64 | llvm::OwningPtr<PluginASTAction> P(it->instantiate()); |
| 65 | if (!P->ParseArgs(CI, CI.getFrontendOpts().PluginArgs)) |
| 66 | return 0; |
| 67 | return P.take(); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | CI.getDiagnostics().Report(diag::err_fe_invalid_plugin_name) |
| 72 | << CI.getFrontendOpts().ActionName; |
| 73 | return 0; |
| 74 | } |
| 75 | |
| 76 | case PrintDeclContext: return new DeclContextPrintAction(); |
| 77 | case PrintPreamble: return new PrintPreambleAction(); |
| 78 | case PrintPreprocessedInput: return new PrintPreprocessedAction(); |
| 79 | case RewriteMacros: return new RewriteMacrosAction(); |
| 80 | case RewriteObjC: return new RewriteObjCAction(); |
| 81 | case RewriteTest: return new RewriteTestAction(); |
Ted Kremenek | 9ef6537 | 2010-12-23 07:20:52 +0000 | [diff] [blame] | 82 | case RunAnalysis: return new ento::AnalysisAction(); |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 83 | case RunPreprocessorOnly: return new PreprocessOnlyAction(); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | static FrontendAction *CreateFrontendAction(CompilerInstance &CI) { |
| 88 | // Create the underlying action. |
| 89 | FrontendAction *Act = CreateFrontendBaseAction(CI); |
| 90 | if (!Act) |
| 91 | return 0; |
| 92 | |
Chandler Carruth | f7f8188 | 2011-06-16 16:17:05 +0000 | [diff] [blame] | 93 | // Potentially wrap the base FE action in an ARC Migrate Tool action. |
| 94 | switch (CI.getFrontendOpts().ARCMTAction) { |
| 95 | case FrontendOptions::ARCMT_None: |
| 96 | break; |
| 97 | case FrontendOptions::ARCMT_Check: |
| 98 | Act = new arcmt::CheckAction(Act); |
| 99 | break; |
| 100 | case FrontendOptions::ARCMT_Modify: |
Argyrios Kyrtzidis | 69325d5 | 2011-07-09 20:00:58 +0000 | [diff] [blame] | 101 | Act = new arcmt::ModifyAction(Act); |
| 102 | break; |
| 103 | case FrontendOptions::ARCMT_Migrate: |
Argyrios Kyrtzidis | 7ee2049 | 2011-07-19 17:20:03 +0000 | [diff] [blame] | 104 | Act = new arcmt::MigrateAction(Act, |
| 105 | CI.getFrontendOpts().ARCMTMigrateDir, |
| 106 | CI.getFrontendOpts().ARCMTMigrateReportOut, |
| 107 | CI.getFrontendOpts().ARCMTMigrateEmitARCErrors); |
Chandler Carruth | f7f8188 | 2011-06-16 16:17:05 +0000 | [diff] [blame] | 108 | break; |
Chandler Carruth | f7f8188 | 2011-06-16 16:17:05 +0000 | [diff] [blame] | 109 | } |
| 110 | |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 111 | // If there are any AST files to merge, create a frontend action |
| 112 | // adaptor to perform the merge. |
| 113 | if (!CI.getFrontendOpts().ASTMergeFiles.empty()) |
| 114 | Act = new ASTMergeAction(Act, &CI.getFrontendOpts().ASTMergeFiles[0], |
| 115 | CI.getFrontendOpts().ASTMergeFiles.size()); |
| 116 | |
| 117 | return Act; |
| 118 | } |
| 119 | |
| 120 | bool clang::ExecuteCompilerInvocation(CompilerInstance *Clang) { |
| 121 | // Honor -help. |
| 122 | if (Clang->getFrontendOpts().ShowHelp) { |
| 123 | llvm::OwningPtr<driver::OptTable> Opts(driver::createCC1OptTable()); |
| 124 | Opts->PrintHelp(llvm::outs(), "clang -cc1", |
| 125 | "LLVM 'Clang' Compiler: http://clang.llvm.org"); |
| 126 | return 0; |
| 127 | } |
| 128 | |
| 129 | // Honor -version. |
| 130 | // |
| 131 | // FIXME: Use a better -version message? |
| 132 | if (Clang->getFrontendOpts().ShowVersion) { |
| 133 | llvm::cl::PrintVersionMessage(); |
| 134 | return 0; |
| 135 | } |
| 136 | |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 137 | // Load any requested plugins. |
| 138 | for (unsigned i = 0, |
| 139 | e = Clang->getFrontendOpts().Plugins.size(); i != e; ++i) { |
| 140 | const std::string &Path = Clang->getFrontendOpts().Plugins[i]; |
| 141 | std::string Error; |
| 142 | if (llvm::sys::DynamicLibrary::LoadLibraryPermanently(Path.c_str(), &Error)) |
| 143 | Clang->getDiagnostics().Report(diag::err_fe_unable_to_load_plugin) |
| 144 | << Path << Error; |
| 145 | } |
| 146 | |
Tobias Grosser | 6e0afc8 | 2011-10-10 01:23:06 +0000 | [diff] [blame] | 147 | // Honor -mllvm. |
| 148 | // |
| 149 | // FIXME: Remove this, one day. |
| 150 | // This should happen AFTER plugins have been loaded! |
| 151 | if (!Clang->getFrontendOpts().LLVMArgs.empty()) { |
| 152 | unsigned NumArgs = Clang->getFrontendOpts().LLVMArgs.size(); |
| 153 | const char **Args = new const char*[NumArgs + 2]; |
| 154 | Args[0] = "clang (LLVM option parsing)"; |
| 155 | for (unsigned i = 0; i != NumArgs; ++i) |
| 156 | Args[i + 1] = Clang->getFrontendOpts().LLVMArgs[i].c_str(); |
| 157 | Args[NumArgs + 1] = 0; |
| 158 | llvm::cl::ParseCommandLineOptions(NumArgs + 1, const_cast<char **>(Args)); |
| 159 | } |
| 160 | |
Jordy Rose | 08b8653 | 2011-08-16 21:24:21 +0000 | [diff] [blame] | 161 | // Honor -analyzer-checker-help. |
| 162 | // This should happen AFTER plugins have been loaded! |
| 163 | if (Clang->getAnalyzerOpts().ShowCheckerHelp) { |
| 164 | ento::printCheckerHelp(llvm::outs(), Clang->getFrontendOpts().Plugins); |
| 165 | return 0; |
| 166 | } |
| 167 | |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 168 | // If there were errors in processing arguments, don't do anything else. |
| 169 | bool Success = false; |
Argyrios Kyrtzidis | e8f0ba7 | 2010-11-19 00:19:18 +0000 | [diff] [blame] | 170 | if (!Clang->getDiagnostics().hasErrorOccurred()) { |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 171 | // Create and execute the frontend action. |
| 172 | llvm::OwningPtr<FrontendAction> Act(CreateFrontendAction(*Clang)); |
Ted Kremenek | 72e3a0a | 2011-04-25 22:57:55 +0000 | [diff] [blame] | 173 | if (Act) { |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 174 | Success = Clang->ExecuteAction(*Act); |
Ted Kremenek | 72e3a0a | 2011-04-25 22:57:55 +0000 | [diff] [blame] | 175 | if (Clang->getFrontendOpts().DisableFree) |
| 176 | Act.take(); |
| 177 | } |
Daniel Dunbar | 8eb2b01 | 2010-08-12 02:53:12 +0000 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | return Success; |
| 181 | } |