/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
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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/ExtractAPI/FrontendActions.h" |
19 | | #include "clang/Frontend/CompilerInstance.h" |
20 | | #include "clang/Frontend/CompilerInvocation.h" |
21 | | #include "clang/Frontend/FrontendActions.h" |
22 | | #include "clang/Frontend/FrontendDiagnostic.h" |
23 | | #include "clang/Frontend/FrontendPluginRegistry.h" |
24 | | #include "clang/Frontend/Utils.h" |
25 | | #include "clang/FrontendTool/Utils.h" |
26 | | #include "clang/Rewrite/Frontend/FrontendActions.h" |
27 | | #include "clang/StaticAnalyzer/Frontend/AnalyzerHelpFlags.h" |
28 | | #include "clang/StaticAnalyzer/Frontend/FrontendActions.h" |
29 | | #include "llvm/Option/OptTable.h" |
30 | | #include "llvm/Option/Option.h" |
31 | | #include "llvm/Support/BuryPointer.h" |
32 | | #include "llvm/Support/DynamicLibrary.h" |
33 | | #include "llvm/Support/ErrorHandling.h" |
34 | | using namespace clang; |
35 | | using namespace llvm::opt; |
36 | | |
37 | | namespace clang { |
38 | | |
39 | | static std::unique_ptr<FrontendAction> |
40 | 46.0k | CreateFrontendBaseAction(CompilerInstance &CI) { |
41 | 46.0k | using namespace clang::frontend; |
42 | 46.0k | StringRef Action("unknown"); |
43 | 46.0k | (void)Action; |
44 | | |
45 | 46.0k | switch (CI.getFrontendOpts().ProgramAction) { |
46 | 0 | case ASTDeclList: return std::make_unique<ASTDeclListAction>(); |
47 | 598 | case ASTDump: return std::make_unique<ASTDumpAction>(); |
48 | 769 | case ASTPrint: return std::make_unique<ASTPrintAction>(); |
49 | 0 | case ASTView: return std::make_unique<ASTViewAction>(); |
50 | 3 | case DumpCompilerOptions: |
51 | 3 | return std::make_unique<DumpCompilerOptionsAction>(); |
52 | 0 | case DumpRawTokens: return std::make_unique<DumpRawTokensAction>(); |
53 | 3 | case DumpTokens: return std::make_unique<DumpTokensAction>(); |
54 | 670 | case EmitAssembly: return std::make_unique<EmitAssemblyAction>(); |
55 | 656 | case EmitBC: return std::make_unique<EmitBCAction>(); |
56 | 3 | case EmitHTML: return std::make_unique<HTMLPrintAction>(); |
57 | 16.7k | case EmitLLVM: return std::make_unique<EmitLLVMAction>(); |
58 | 267 | case EmitLLVMOnly: return std::make_unique<EmitLLVMOnlyAction>(); |
59 | 12 | case EmitCodeGenOnly: return std::make_unique<EmitCodeGenOnlyAction>(); |
60 | 3.17k | case EmitObj: return std::make_unique<EmitObjAction>(); |
61 | 53 | case ExtractAPI: |
62 | 53 | return std::make_unique<ExtractAPIAction>(); |
63 | 67 | case FixIt: return std::make_unique<FixItAction>(); |
64 | 296 | case GenerateModule: |
65 | 296 | return std::make_unique<GenerateModuleFromModuleMapAction>(); |
66 | 350 | case GenerateModuleInterface: |
67 | 350 | return std::make_unique<GenerateModuleInterfaceAction>(); |
68 | 30 | case GenerateHeaderUnit: |
69 | 30 | return std::make_unique<GenerateHeaderUnitAction>(); |
70 | 3.52k | case GeneratePCH: return std::make_unique<GeneratePCHAction>(); |
71 | 69 | case GenerateInterfaceStubs: |
72 | 69 | return std::make_unique<GenerateInterfaceStubsAction>(); |
73 | 0 | case InitOnly: return std::make_unique<InitOnlyAction>(); |
74 | 13.8k | case ParseSyntaxOnly: return std::make_unique<SyntaxOnlyAction>(); |
75 | 34 | case ModuleFileInfo: return std::make_unique<DumpModuleInfoAction>(); |
76 | 7 | case VerifyPCH: return std::make_unique<VerifyPCHAction>(); |
77 | 12 | case TemplightDump: return std::make_unique<TemplightDumpAction>(); |
78 | | |
79 | 1 | case PluginAction: { |
80 | 1 | for (const FrontendPluginRegistry::entry &Plugin : |
81 | 1 | FrontendPluginRegistry::entries()) { |
82 | 0 | if (Plugin.getName() == CI.getFrontendOpts().ActionName) { |
83 | 0 | std::unique_ptr<PluginASTAction> P(Plugin.instantiate()); |
84 | 0 | if ((P->getActionType() != PluginASTAction::ReplaceAction && |
85 | 0 | P->getActionType() != PluginASTAction::CmdlineAfterMainAction) || |
86 | 0 | !P->ParseArgs( |
87 | 0 | CI, |
88 | 0 | CI.getFrontendOpts().PluginArgs[std::string(Plugin.getName())])) |
89 | 0 | return nullptr; |
90 | 0 | return std::move(P); |
91 | 0 | } |
92 | 0 | } |
93 | | |
94 | 1 | CI.getDiagnostics().Report(diag::err_fe_invalid_plugin_name) |
95 | 1 | << CI.getFrontendOpts().ActionName; |
96 | 1 | return nullptr; |
97 | 1 | } |
98 | | |
99 | 2 | case PrintPreamble: return std::make_unique<PrintPreambleAction>(); |
100 | 2.85k | case PrintPreprocessedInput: { |
101 | 2.85k | if (CI.getPreprocessorOutputOpts().RewriteIncludes || |
102 | 2.85k | CI.getPreprocessorOutputOpts().RewriteImports2.78k ) |
103 | 67 | return std::make_unique<RewriteIncludesAction>(); |
104 | 2.78k | return std::make_unique<PrintPreprocessedAction>(); |
105 | 2.85k | } |
106 | | |
107 | 1 | case RewriteMacros: return std::make_unique<RewriteMacrosAction>(); |
108 | 0 | case RewriteTest: return std::make_unique<RewriteTestAction>(); |
109 | 0 | #if CLANG_ENABLE_OBJC_REWRITER |
110 | 164 | case RewriteObjC: return std::make_unique<RewriteObjCAction>(); |
111 | | #else |
112 | | case RewriteObjC: Action = "RewriteObjC"; break; |
113 | | #endif |
114 | 0 | #if CLANG_ENABLE_ARCMT |
115 | 8 | case MigrateSource: |
116 | 8 | return std::make_unique<arcmt::MigrateSourceAction>(); |
117 | | #else |
118 | | case MigrateSource: Action = "MigrateSource"; break; |
119 | | #endif |
120 | 0 | #if CLANG_ENABLE_STATIC_ANALYZER |
121 | 1.57k | case RunAnalysis: return std::make_unique<ento::AnalysisAction>(); |
122 | | #else |
123 | | case RunAnalysis: Action = "RunAnalysis"; break; |
124 | | #endif |
125 | 253 | case RunPreprocessorOnly: return std::make_unique<PreprocessOnlyAction>(); |
126 | 8 | case PrintDependencyDirectivesSourceMinimizerOutput: |
127 | 8 | return std::make_unique<PrintDependencyDirectivesSourceMinimizerAction>(); |
128 | 46.0k | } |
129 | | |
130 | | #if !CLANG_ENABLE_ARCMT || !CLANG_ENABLE_STATIC_ANALYZER \ |
131 | | || !CLANG_ENABLE_OBJC_REWRITER |
132 | | CI.getDiagnostics().Report(diag::err_fe_action_not_available) << Action; |
133 | | return 0; |
134 | | #else |
135 | 0 | llvm_unreachable("Invalid program action!"); |
136 | 0 | #endif |
137 | 0 | } |
138 | | |
139 | | std::unique_ptr<FrontendAction> |
140 | 46.0k | CreateFrontendAction(CompilerInstance &CI) { |
141 | | // Create the underlying action. |
142 | 46.0k | std::unique_ptr<FrontendAction> Act = CreateFrontendBaseAction(CI); |
143 | 46.0k | if (!Act) |
144 | 1 | return nullptr; |
145 | | |
146 | 46.0k | const FrontendOptions &FEOpts = CI.getFrontendOpts(); |
147 | | |
148 | 46.0k | if (FEOpts.FixAndRecompile) { |
149 | 5 | Act = std::make_unique<FixItRecompile>(std::move(Act)); |
150 | 5 | } |
151 | | |
152 | 46.0k | #if CLANG_ENABLE_ARCMT |
153 | 46.0k | if (CI.getFrontendOpts().ProgramAction != frontend::MigrateSource && |
154 | 46.0k | CI.getFrontendOpts().ProgramAction != frontend::GeneratePCH46.0k ) { |
155 | | // Potentially wrap the base FE action in an ARC Migrate Tool action. |
156 | 42.5k | switch (FEOpts.ARCMTAction) { |
157 | 42.5k | case FrontendOptions::ARCMT_None: |
158 | 42.5k | break; |
159 | 15 | case FrontendOptions::ARCMT_Check: |
160 | 15 | Act = std::make_unique<arcmt::CheckAction>(std::move(Act)); |
161 | 15 | break; |
162 | 2 | case FrontendOptions::ARCMT_Modify: |
163 | 2 | Act = std::make_unique<arcmt::ModifyAction>(std::move(Act)); |
164 | 2 | break; |
165 | 8 | case FrontendOptions::ARCMT_Migrate: |
166 | 8 | Act = std::make_unique<arcmt::MigrateAction>(std::move(Act), |
167 | 8 | FEOpts.MTMigrateDir, |
168 | 8 | FEOpts.ARCMTMigrateReportOut, |
169 | 8 | FEOpts.ARCMTMigrateEmitARCErrors); |
170 | 8 | break; |
171 | 42.5k | } |
172 | | |
173 | 42.5k | if (FEOpts.ObjCMTAction != FrontendOptions::ObjCMT_None) { |
174 | 21 | Act = std::make_unique<arcmt::ObjCMigrateAction>(std::move(Act), |
175 | 21 | FEOpts.MTMigrateDir, |
176 | 21 | FEOpts.ObjCMTAction); |
177 | 21 | } |
178 | 42.5k | } |
179 | 46.0k | #endif |
180 | | |
181 | | // Wrap the base FE action in an extract api action to generate |
182 | | // symbol graph as a biproduct of comilation ( enabled with |
183 | | // --emit-symbol-graph option ) |
184 | 46.0k | if (!FEOpts.SymbolGraphOutputDir.empty()) { |
185 | 2 | CI.getCodeGenOpts().ClearASTBeforeBackend = false; |
186 | 2 | Act = std::make_unique<WrappingExtractAPIAction>(std::move(Act)); |
187 | 2 | } |
188 | | |
189 | | // If there are any AST files to merge, create a frontend action |
190 | | // adaptor to perform the merge. |
191 | 46.0k | if (!FEOpts.ASTMergeFiles.empty()) |
192 | 35 | Act = std::make_unique<ASTMergeAction>(std::move(Act), |
193 | 35 | FEOpts.ASTMergeFiles); |
194 | | |
195 | 46.0k | return Act; |
196 | 46.0k | } |
197 | | |
198 | 46.0k | bool ExecuteCompilerInvocation(CompilerInstance *Clang) { |
199 | | // Honor -help. |
200 | 46.0k | if (Clang->getFrontendOpts().ShowHelp) { |
201 | 1 | driver::getDriverOptTable().printHelp( |
202 | 1 | llvm::outs(), "clang -cc1 [options] file...", |
203 | 1 | "LLVM 'Clang' Compiler: http://clang.llvm.org", |
204 | 1 | /*ShowHidden=*/false, /*ShowAllAliases=*/false, |
205 | 1 | llvm::opt::Visibility(driver::options::CC1Option)); |
206 | 1 | return true; |
207 | 1 | } |
208 | | |
209 | | // Honor -version. |
210 | | // |
211 | | // FIXME: Use a better -version message? |
212 | 46.0k | if (Clang->getFrontendOpts().ShowVersion) { |
213 | 1 | llvm::cl::PrintVersionMessage(); |
214 | 1 | return true; |
215 | 1 | } |
216 | | |
217 | 46.0k | Clang->LoadRequestedPlugins(); |
218 | | |
219 | | // Honor -mllvm. |
220 | | // |
221 | | // FIXME: Remove this, one day. |
222 | | // This should happen AFTER plugins have been loaded! |
223 | 46.0k | if (!Clang->getFrontendOpts().LLVMArgs.empty()) { |
224 | 357 | unsigned NumArgs = Clang->getFrontendOpts().LLVMArgs.size(); |
225 | 357 | auto Args = std::make_unique<const char*[]>(NumArgs + 2); |
226 | 357 | Args[0] = "clang (LLVM option parsing)"; |
227 | 731 | for (unsigned i = 0; i != NumArgs; ++i374 ) |
228 | 374 | Args[i + 1] = Clang->getFrontendOpts().LLVMArgs[i].c_str(); |
229 | 357 | Args[NumArgs + 1] = nullptr; |
230 | 357 | llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get()); |
231 | 357 | } |
232 | | |
233 | 46.0k | #if CLANG_ENABLE_STATIC_ANALYZER |
234 | | // These should happen AFTER plugins have been loaded! |
235 | | |
236 | 46.0k | AnalyzerOptions &AnOpts = Clang->getAnalyzerOpts(); |
237 | | |
238 | | // Honor -analyzer-checker-help and -analyzer-checker-help-hidden. |
239 | 46.0k | if (AnOpts.ShowCheckerHelp || AnOpts.ShowCheckerHelpAlpha46.0k || |
240 | 46.0k | AnOpts.ShowCheckerHelpDeveloper46.0k ) { |
241 | 9 | ento::printCheckerHelp(llvm::outs(), *Clang); |
242 | 9 | return true; |
243 | 9 | } |
244 | | |
245 | | // Honor -analyzer-checker-option-help. |
246 | 46.0k | if (AnOpts.ShowCheckerOptionList || AnOpts.ShowCheckerOptionAlphaList46.0k || |
247 | 46.0k | AnOpts.ShowCheckerOptionDeveloperList46.0k ) { |
248 | 7 | ento::printCheckerConfigList(llvm::outs(), *Clang); |
249 | 7 | return true; |
250 | 7 | } |
251 | | |
252 | | // Honor -analyzer-list-enabled-checkers. |
253 | 46.0k | if (AnOpts.ShowEnabledCheckerList) { |
254 | 4 | ento::printEnabledCheckerList(llvm::outs(), *Clang); |
255 | 4 | return true; |
256 | 4 | } |
257 | | |
258 | | // Honor -analyzer-config-help. |
259 | 46.0k | if (AnOpts.ShowConfigOptionsList) { |
260 | 1 | ento::printAnalyzerConfigList(llvm::outs()); |
261 | 1 | return true; |
262 | 1 | } |
263 | 46.0k | #endif |
264 | | |
265 | | // If there were errors in processing arguments, don't do anything else. |
266 | 46.0k | if (Clang->getDiagnostics().hasErrorOccurred()) |
267 | 0 | return false; |
268 | | // Create and execute the frontend action. |
269 | 46.0k | std::unique_ptr<FrontendAction> Act(CreateFrontendAction(*Clang)); |
270 | 46.0k | if (!Act) |
271 | 1 | return false; |
272 | 46.0k | bool Success = Clang->ExecuteAction(*Act); |
273 | 46.0k | if (Clang->getFrontendOpts().DisableFree) |
274 | 6.17k | llvm::BuryPointer(std::move(Act)); |
275 | 46.0k | return Success; |
276 | 46.0k | } |
277 | | |
278 | | } // namespace clang |