|
150
|
1 //===--- ExecuteCompilerInvocation.cpp ------------------------------------===//
|
|
|
2 //
|
|
|
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
|
4 // See https://llvm.org/LICENSE.txt for license information.
|
|
|
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
6 //
|
|
|
7 //===----------------------------------------------------------------------===//
|
|
|
8 //
|
|
|
9 // This file holds ExecuteCompilerInvocation(). It is split into its own file to
|
|
|
10 // minimize the impact of pulling in essentially everything else in Clang.
|
|
|
11 //
|
|
|
12 //===----------------------------------------------------------------------===//
|
|
|
13
|
|
|
14 #include "clang/ARCMigrate/ARCMTActions.h"
|
|
|
15 #include "clang/CodeGen/CodeGenAction.h"
|
|
|
16 #include "clang/Config/config.h"
|
|
|
17 #include "clang/Driver/Options.h"
|
|
|
18 #include "clang/Frontend/CompilerInstance.h"
|
|
|
19 #include "clang/Frontend/CompilerInvocation.h"
|
|
|
20 #include "clang/Frontend/FrontendActions.h"
|
|
|
21 #include "clang/Frontend/FrontendDiagnostic.h"
|
|
|
22 #include "clang/Frontend/FrontendPluginRegistry.h"
|
|
|
23 #include "clang/Frontend/Utils.h"
|
|
|
24 #include "clang/FrontendTool/Utils.h"
|
|
|
25 #include "clang/Rewrite/Frontend/FrontendActions.h"
|
|
173
|
26 #include "clang/StaticAnalyzer/Frontend/AnalyzerHelpFlags.h"
|
|
150
|
27 #include "clang/StaticAnalyzer/Frontend/FrontendActions.h"
|
|
|
28 #include "llvm/Option/OptTable.h"
|
|
|
29 #include "llvm/Option/Option.h"
|
|
|
30 #include "llvm/Support/BuryPointer.h"
|
|
|
31 #include "llvm/Support/DynamicLibrary.h"
|
|
|
32 #include "llvm/Support/ErrorHandling.h"
|
|
|
33 using namespace clang;
|
|
|
34 using namespace llvm::opt;
|
|
|
35
|
|
|
36 namespace clang {
|
|
|
37
|
|
|
38 static std::unique_ptr<FrontendAction>
|
|
|
39 CreateFrontendBaseAction(CompilerInstance &CI) {
|
|
|
40 using namespace clang::frontend;
|
|
|
41 StringRef Action("unknown");
|
|
|
42 (void)Action;
|
|
|
43
|
|
|
44 switch (CI.getFrontendOpts().ProgramAction) {
|
|
|
45 case ASTDeclList: return std::make_unique<ASTDeclListAction>();
|
|
|
46 case ASTDump: return std::make_unique<ASTDumpAction>();
|
|
|
47 case ASTPrint: return std::make_unique<ASTPrintAction>();
|
|
|
48 case ASTView: return std::make_unique<ASTViewAction>();
|
|
|
49 case DumpCompilerOptions:
|
|
|
50 return std::make_unique<DumpCompilerOptionsAction>();
|
|
|
51 case DumpRawTokens: return std::make_unique<DumpRawTokensAction>();
|
|
|
52 case DumpTokens: return std::make_unique<DumpTokensAction>();
|
|
|
53 case EmitAssembly: return std::make_unique<EmitAssemblyAction>();
|
|
|
54 case EmitBC: return std::make_unique<EmitBCAction>();
|
|
|
55 case EmitHTML: return std::make_unique<HTMLPrintAction>();
|
|
|
56 case EmitLLVM: return std::make_unique<EmitLLVMAction>();
|
|
|
57 case EmitLLVMOnly: return std::make_unique<EmitLLVMOnlyAction>();
|
|
|
58 case EmitCodeGenOnly: return std::make_unique<EmitCodeGenOnlyAction>();
|
|
|
59 case EmitObj: return std::make_unique<EmitObjAction>();
|
|
|
60 case FixIt: return std::make_unique<FixItAction>();
|
|
|
61 case GenerateModule:
|
|
|
62 return std::make_unique<GenerateModuleFromModuleMapAction>();
|
|
|
63 case GenerateModuleInterface:
|
|
|
64 return std::make_unique<GenerateModuleInterfaceAction>();
|
|
|
65 case GenerateHeaderModule:
|
|
|
66 return std::make_unique<GenerateHeaderModuleAction>();
|
|
|
67 case GeneratePCH: return std::make_unique<GeneratePCHAction>();
|
|
173
|
68 case GenerateInterfaceStubs:
|
|
|
69 return std::make_unique<GenerateInterfaceStubsAction>();
|
|
150
|
70 case InitOnly: return std::make_unique<InitOnlyAction>();
|
|
|
71 case ParseSyntaxOnly: return std::make_unique<SyntaxOnlyAction>();
|
|
|
72 case ModuleFileInfo: return std::make_unique<DumpModuleInfoAction>();
|
|
|
73 case VerifyPCH: return std::make_unique<VerifyPCHAction>();
|
|
|
74 case TemplightDump: return std::make_unique<TemplightDumpAction>();
|
|
|
75
|
|
|
76 case PluginAction: {
|
|
221
|
77 for (const FrontendPluginRegistry::entry &Plugin :
|
|
|
78 FrontendPluginRegistry::entries()) {
|
|
|
79 if (Plugin.getName() == CI.getFrontendOpts().ActionName) {
|
|
|
80 std::unique_ptr<PluginASTAction> P(Plugin.instantiate());
|
|
150
|
81 if ((P->getActionType() != PluginASTAction::ReplaceAction &&
|
|
|
82 P->getActionType() != PluginASTAction::Cmdline) ||
|
|
|
83 !P->ParseArgs(
|
|
|
84 CI,
|
|
221
|
85 CI.getFrontendOpts().PluginArgs[std::string(Plugin.getName())]))
|
|
150
|
86 return nullptr;
|
|
|
87 return std::move(P);
|
|
|
88 }
|
|
|
89 }
|
|
|
90
|
|
|
91 CI.getDiagnostics().Report(diag::err_fe_invalid_plugin_name)
|
|
|
92 << CI.getFrontendOpts().ActionName;
|
|
|
93 return nullptr;
|
|
|
94 }
|
|
|
95
|
|
|
96 case PrintPreamble: return std::make_unique<PrintPreambleAction>();
|
|
|
97 case PrintPreprocessedInput: {
|
|
|
98 if (CI.getPreprocessorOutputOpts().RewriteIncludes ||
|
|
|
99 CI.getPreprocessorOutputOpts().RewriteImports)
|
|
|
100 return std::make_unique<RewriteIncludesAction>();
|
|
|
101 return std::make_unique<PrintPreprocessedAction>();
|
|
|
102 }
|
|
|
103
|
|
|
104 case RewriteMacros: return std::make_unique<RewriteMacrosAction>();
|
|
|
105 case RewriteTest: return std::make_unique<RewriteTestAction>();
|
|
|
106 #if CLANG_ENABLE_OBJC_REWRITER
|
|
|
107 case RewriteObjC: return std::make_unique<RewriteObjCAction>();
|
|
|
108 #else
|
|
|
109 case RewriteObjC: Action = "RewriteObjC"; break;
|
|
|
110 #endif
|
|
|
111 #if CLANG_ENABLE_ARCMT
|
|
|
112 case MigrateSource:
|
|
|
113 return std::make_unique<arcmt::MigrateSourceAction>();
|
|
|
114 #else
|
|
|
115 case MigrateSource: Action = "MigrateSource"; break;
|
|
|
116 #endif
|
|
|
117 #if CLANG_ENABLE_STATIC_ANALYZER
|
|
|
118 case RunAnalysis: return std::make_unique<ento::AnalysisAction>();
|
|
|
119 #else
|
|
|
120 case RunAnalysis: Action = "RunAnalysis"; break;
|
|
|
121 #endif
|
|
|
122 case RunPreprocessorOnly: return std::make_unique<PreprocessOnlyAction>();
|
|
|
123 case PrintDependencyDirectivesSourceMinimizerOutput:
|
|
|
124 return std::make_unique<PrintDependencyDirectivesSourceMinimizerAction>();
|
|
|
125 }
|
|
|
126
|
|
|
127 #if !CLANG_ENABLE_ARCMT || !CLANG_ENABLE_STATIC_ANALYZER \
|
|
|
128 || !CLANG_ENABLE_OBJC_REWRITER
|
|
|
129 CI.getDiagnostics().Report(diag::err_fe_action_not_available) << Action;
|
|
|
130 return 0;
|
|
|
131 #else
|
|
|
132 llvm_unreachable("Invalid program action!");
|
|
|
133 #endif
|
|
|
134 }
|
|
|
135
|
|
|
136 std::unique_ptr<FrontendAction>
|
|
|
137 CreateFrontendAction(CompilerInstance &CI) {
|
|
|
138 // Create the underlying action.
|
|
|
139 std::unique_ptr<FrontendAction> Act = CreateFrontendBaseAction(CI);
|
|
|
140 if (!Act)
|
|
|
141 return nullptr;
|
|
|
142
|
|
|
143 const FrontendOptions &FEOpts = CI.getFrontendOpts();
|
|
|
144
|
|
|
145 if (FEOpts.FixAndRecompile) {
|
|
|
146 Act = std::make_unique<FixItRecompile>(std::move(Act));
|
|
|
147 }
|
|
|
148
|
|
|
149 #if CLANG_ENABLE_ARCMT
|
|
|
150 if (CI.getFrontendOpts().ProgramAction != frontend::MigrateSource &&
|
|
|
151 CI.getFrontendOpts().ProgramAction != frontend::GeneratePCH) {
|
|
|
152 // Potentially wrap the base FE action in an ARC Migrate Tool action.
|
|
|
153 switch (FEOpts.ARCMTAction) {
|
|
|
154 case FrontendOptions::ARCMT_None:
|
|
|
155 break;
|
|
|
156 case FrontendOptions::ARCMT_Check:
|
|
|
157 Act = std::make_unique<arcmt::CheckAction>(std::move(Act));
|
|
|
158 break;
|
|
|
159 case FrontendOptions::ARCMT_Modify:
|
|
|
160 Act = std::make_unique<arcmt::ModifyAction>(std::move(Act));
|
|
|
161 break;
|
|
|
162 case FrontendOptions::ARCMT_Migrate:
|
|
|
163 Act = std::make_unique<arcmt::MigrateAction>(std::move(Act),
|
|
|
164 FEOpts.MTMigrateDir,
|
|
|
165 FEOpts.ARCMTMigrateReportOut,
|
|
|
166 FEOpts.ARCMTMigrateEmitARCErrors);
|
|
|
167 break;
|
|
|
168 }
|
|
|
169
|
|
|
170 if (FEOpts.ObjCMTAction != FrontendOptions::ObjCMT_None) {
|
|
|
171 Act = std::make_unique<arcmt::ObjCMigrateAction>(std::move(Act),
|
|
|
172 FEOpts.MTMigrateDir,
|
|
|
173 FEOpts.ObjCMTAction);
|
|
|
174 }
|
|
|
175 }
|
|
|
176 #endif
|
|
|
177
|
|
|
178 // If there are any AST files to merge, create a frontend action
|
|
|
179 // adaptor to perform the merge.
|
|
|
180 if (!FEOpts.ASTMergeFiles.empty())
|
|
|
181 Act = std::make_unique<ASTMergeAction>(std::move(Act),
|
|
|
182 FEOpts.ASTMergeFiles);
|
|
|
183
|
|
|
184 return Act;
|
|
|
185 }
|
|
|
186
|
|
|
187 bool ExecuteCompilerInvocation(CompilerInstance *Clang) {
|
|
|
188 // Honor -help.
|
|
|
189 if (Clang->getFrontendOpts().ShowHelp) {
|
|
223
|
190 driver::getDriverOptTable().printHelp(
|
|
150
|
191 llvm::outs(), "clang -cc1 [options] file...",
|
|
|
192 "LLVM 'Clang' Compiler: http://clang.llvm.org",
|
|
|
193 /*Include=*/driver::options::CC1Option,
|
|
|
194 /*Exclude=*/0, /*ShowAllAliases=*/false);
|
|
|
195 return true;
|
|
|
196 }
|
|
|
197
|
|
|
198 // Honor -version.
|
|
|
199 //
|
|
|
200 // FIXME: Use a better -version message?
|
|
|
201 if (Clang->getFrontendOpts().ShowVersion) {
|
|
|
202 llvm::cl::PrintVersionMessage();
|
|
|
203 return true;
|
|
|
204 }
|
|
|
205
|
|
|
206 // Load any requested plugins.
|
|
221
|
207 for (const std::string &Path : Clang->getFrontendOpts().Plugins) {
|
|
150
|
208 std::string Error;
|
|
|
209 if (llvm::sys::DynamicLibrary::LoadLibraryPermanently(Path.c_str(), &Error))
|
|
|
210 Clang->getDiagnostics().Report(diag::err_fe_unable_to_load_plugin)
|
|
|
211 << Path << Error;
|
|
|
212 }
|
|
|
213
|
|
|
214 // Check if any of the loaded plugins replaces the main AST action
|
|
221
|
215 for (const FrontendPluginRegistry::entry &Plugin :
|
|
|
216 FrontendPluginRegistry::entries()) {
|
|
|
217 std::unique_ptr<PluginASTAction> P(Plugin.instantiate());
|
|
150
|
218 if (P->getActionType() == PluginASTAction::ReplaceAction) {
|
|
|
219 Clang->getFrontendOpts().ProgramAction = clang::frontend::PluginAction;
|
|
221
|
220 Clang->getFrontendOpts().ActionName = Plugin.getName().str();
|
|
150
|
221 break;
|
|
|
222 }
|
|
|
223 }
|
|
|
224
|
|
|
225 // Honor -mllvm.
|
|
|
226 //
|
|
|
227 // FIXME: Remove this, one day.
|
|
|
228 // This should happen AFTER plugins have been loaded!
|
|
|
229 if (!Clang->getFrontendOpts().LLVMArgs.empty()) {
|
|
|
230 unsigned NumArgs = Clang->getFrontendOpts().LLVMArgs.size();
|
|
|
231 auto Args = std::make_unique<const char*[]>(NumArgs + 2);
|
|
|
232 Args[0] = "clang (LLVM option parsing)";
|
|
|
233 for (unsigned i = 0; i != NumArgs; ++i)
|
|
|
234 Args[i + 1] = Clang->getFrontendOpts().LLVMArgs[i].c_str();
|
|
|
235 Args[NumArgs + 1] = nullptr;
|
|
|
236 llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get());
|
|
|
237 }
|
|
|
238
|
|
|
239 #if CLANG_ENABLE_STATIC_ANALYZER
|
|
|
240 // These should happen AFTER plugins have been loaded!
|
|
|
241
|
|
|
242 AnalyzerOptions &AnOpts = *Clang->getAnalyzerOpts();
|
|
173
|
243
|
|
150
|
244 // Honor -analyzer-checker-help and -analyzer-checker-help-hidden.
|
|
|
245 if (AnOpts.ShowCheckerHelp || AnOpts.ShowCheckerHelpAlpha ||
|
|
|
246 AnOpts.ShowCheckerHelpDeveloper) {
|
|
173
|
247 ento::printCheckerHelp(llvm::outs(), *Clang);
|
|
150
|
248 return true;
|
|
|
249 }
|
|
|
250
|
|
|
251 // Honor -analyzer-checker-option-help.
|
|
|
252 if (AnOpts.ShowCheckerOptionList || AnOpts.ShowCheckerOptionAlphaList ||
|
|
|
253 AnOpts.ShowCheckerOptionDeveloperList) {
|
|
173
|
254 ento::printCheckerConfigList(llvm::outs(), *Clang);
|
|
150
|
255 return true;
|
|
|
256 }
|
|
|
257
|
|
|
258 // Honor -analyzer-list-enabled-checkers.
|
|
|
259 if (AnOpts.ShowEnabledCheckerList) {
|
|
173
|
260 ento::printEnabledCheckerList(llvm::outs(), *Clang);
|
|
150
|
261 return true;
|
|
|
262 }
|
|
|
263
|
|
|
264 // Honor -analyzer-config-help.
|
|
|
265 if (AnOpts.ShowConfigOptionsList) {
|
|
|
266 ento::printAnalyzerConfigList(llvm::outs());
|
|
|
267 return true;
|
|
|
268 }
|
|
|
269 #endif
|
|
|
270
|
|
|
271 // If there were errors in processing arguments, don't do anything else.
|
|
|
272 if (Clang->getDiagnostics().hasErrorOccurred())
|
|
|
273 return false;
|
|
|
274 // Create and execute the frontend action.
|
|
|
275 std::unique_ptr<FrontendAction> Act(CreateFrontendAction(*Clang));
|
|
|
276 if (!Act)
|
|
|
277 return false;
|
|
|
278 bool Success = Clang->ExecuteAction(*Act);
|
|
|
279 if (Clang->getFrontendOpts().DisableFree)
|
|
|
280 llvm::BuryPointer(std::move(Act));
|
|
|
281 return Success;
|
|
|
282 }
|
|
|
283
|
|
|
284 } // namespace clang
|
