/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 | 40.1k | CreateFrontendBaseAction(CompilerInstance &CI) { |
41 | 40.1k | using namespace clang::frontend; |
42 | 40.1k | StringRef Action("unknown"); |
43 | 40.1k | (void)Action; |
44 | | |
45 | 40.1k | switch (CI.getFrontendOpts().ProgramAction) { |
46 | 0 | case ASTDeclList: return std::make_unique<ASTDeclListAction>(); |
47 | 506 | case ASTDump: return std::make_unique<ASTDumpAction>(); |
48 | 612 | 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 | 541 | case EmitAssembly: return std::make_unique<EmitAssemblyAction>(); |
55 | 550 | case EmitBC: return std::make_unique<EmitBCAction>(); |
56 | 3 | case EmitHTML: return std::make_unique<HTMLPrintAction>(); |
57 | 14.9k | case EmitLLVM: return std::make_unique<EmitLLVMAction>(); |
58 | 242 | case EmitLLVMOnly: return std::make_unique<EmitLLVMOnlyAction>(); |
59 | 7 | case EmitCodeGenOnly: return std::make_unique<EmitCodeGenOnlyAction>(); |
60 | 3.64k | case EmitObj: return std::make_unique<EmitObjAction>(); |
61 | 16 | case ExtractAPI: |
62 | 16 | return std::make_unique<ExtractAPIAction>(); |
63 | 65 | case FixIt: return std::make_unique<FixItAction>(); |
64 | 243 | case GenerateModule: |
65 | 243 | return std::make_unique<GenerateModuleFromModuleMapAction>(); |
66 | 123 | case GenerateModuleInterface: |
67 | 123 | return std::make_unique<GenerateModuleInterfaceAction>(); |
68 | 7 | case GenerateHeaderModule: |
69 | 7 | return std::make_unique<GenerateHeaderModuleAction>(); |
70 | 14 | case GenerateHeaderUnit: |
71 | 14 | return std::make_unique<GenerateHeaderUnitAction>(); |
72 | 3.25k | case GeneratePCH: return std::make_unique<GeneratePCHAction>(); |
73 | 69 | case GenerateInterfaceStubs: |
74 | 69 | return std::make_unique<GenerateInterfaceStubsAction>(); |
75 | 0 | case InitOnly: return std::make_unique<InitOnlyAction>(); |
76 | 11.5k | case ParseSyntaxOnly: return std::make_unique<SyntaxOnlyAction>(); |
77 | 21 | case ModuleFileInfo: return std::make_unique<DumpModuleInfoAction>(); |
78 | 7 | case VerifyPCH: return std::make_unique<VerifyPCHAction>(); |
79 | 12 | case TemplightDump: return std::make_unique<TemplightDumpAction>(); |
80 | | |
81 | 1 | case PluginAction: { |
82 | 1 | for (const FrontendPluginRegistry::entry &Plugin : |
83 | 1 | FrontendPluginRegistry::entries()) { |
84 | 0 | if (Plugin.getName() == CI.getFrontendOpts().ActionName) { |
85 | 0 | std::unique_ptr<PluginASTAction> P(Plugin.instantiate()); |
86 | 0 | if ((P->getActionType() != PluginASTAction::ReplaceAction && |
87 | 0 | P->getActionType() != PluginASTAction::CmdlineAfterMainAction) || |
88 | 0 | !P->ParseArgs( |
89 | 0 | CI, |
90 | 0 | CI.getFrontendOpts().PluginArgs[std::string(Plugin.getName())])) |
91 | 0 | return nullptr; |
92 | 0 | return std::move(P); |
93 | 0 | } |
94 | 0 | } |
95 | | |
96 | 1 | CI.getDiagnostics().Report(diag::err_fe_invalid_plugin_name) |
97 | 1 | << CI.getFrontendOpts().ActionName; |
98 | 1 | return nullptr; |
99 | 1 | } |
100 | | |
101 | 2 | case PrintPreamble: return std::make_unique<PrintPreambleAction>(); |
102 | 2.06k | case PrintPreprocessedInput: { |
103 | 2.06k | if (CI.getPreprocessorOutputOpts().RewriteIncludes || |
104 | 2.06k | CI.getPreprocessorOutputOpts().RewriteImports2.02k ) |
105 | 51 | return std::make_unique<RewriteIncludesAction>(); |
106 | 2.01k | return std::make_unique<PrintPreprocessedAction>(); |
107 | 2.06k | } |
108 | | |
109 | 1 | case RewriteMacros: return std::make_unique<RewriteMacrosAction>(); |
110 | 0 | case RewriteTest: return std::make_unique<RewriteTestAction>(); |
111 | 0 | #if CLANG_ENABLE_OBJC_REWRITER |
112 | 164 | case RewriteObjC: return std::make_unique<RewriteObjCAction>(); |
113 | | #else |
114 | | case RewriteObjC: Action = "RewriteObjC"; break; |
115 | | #endif |
116 | 0 | #if CLANG_ENABLE_ARCMT |
117 | 8 | case MigrateSource: |
118 | 8 | return std::make_unique<arcmt::MigrateSourceAction>(); |
119 | | #else |
120 | | case MigrateSource: Action = "MigrateSource"; break; |
121 | | #endif |
122 | 0 | #if CLANG_ENABLE_STATIC_ANALYZER |
123 | 1.44k | case RunAnalysis: return std::make_unique<ento::AnalysisAction>(); |
124 | | #else |
125 | | case RunAnalysis: Action = "RunAnalysis"; break; |
126 | | #endif |
127 | 65 | case RunPreprocessorOnly: return std::make_unique<PreprocessOnlyAction>(); |
128 | 8 | case PrintDependencyDirectivesSourceMinimizerOutput: |
129 | 8 | return std::make_unique<PrintDependencyDirectivesSourceMinimizerAction>(); |
130 | 40.1k | } |
131 | | |
132 | | #if !CLANG_ENABLE_ARCMT || !CLANG_ENABLE_STATIC_ANALYZER \ |
133 | | || !CLANG_ENABLE_OBJC_REWRITER |
134 | | CI.getDiagnostics().Report(diag::err_fe_action_not_available) << Action; |
135 | | return 0; |
136 | | #else |
137 | 0 | llvm_unreachable("Invalid program action!"); |
138 | 0 | #endif |
139 | 0 | } |
140 | | |
141 | | std::unique_ptr<FrontendAction> |
142 | 40.1k | CreateFrontendAction(CompilerInstance &CI) { |
143 | | // Create the underlying action. |
144 | 40.1k | std::unique_ptr<FrontendAction> Act = CreateFrontendBaseAction(CI); |
145 | 40.1k | if (!Act) |
146 | 1 | return nullptr; |
147 | | |
148 | 40.1k | const FrontendOptions &FEOpts = CI.getFrontendOpts(); |
149 | | |
150 | 40.1k | if (FEOpts.FixAndRecompile) { |
151 | 5 | Act = std::make_unique<FixItRecompile>(std::move(Act)); |
152 | 5 | } |
153 | | |
154 | 40.1k | #if CLANG_ENABLE_ARCMT |
155 | 40.1k | if (CI.getFrontendOpts().ProgramAction != frontend::MigrateSource && |
156 | 40.1k | CI.getFrontendOpts().ProgramAction != frontend::GeneratePCH40.1k ) { |
157 | | // Potentially wrap the base FE action in an ARC Migrate Tool action. |
158 | 36.8k | switch (FEOpts.ARCMTAction) { |
159 | 36.8k | case FrontendOptions::ARCMT_None: |
160 | 36.8k | break; |
161 | 15 | case FrontendOptions::ARCMT_Check: |
162 | 15 | Act = std::make_unique<arcmt::CheckAction>(std::move(Act)); |
163 | 15 | break; |
164 | 2 | case FrontendOptions::ARCMT_Modify: |
165 | 2 | Act = std::make_unique<arcmt::ModifyAction>(std::move(Act)); |
166 | 2 | break; |
167 | 8 | case FrontendOptions::ARCMT_Migrate: |
168 | 8 | Act = std::make_unique<arcmt::MigrateAction>(std::move(Act), |
169 | 8 | FEOpts.MTMigrateDir, |
170 | 8 | FEOpts.ARCMTMigrateReportOut, |
171 | 8 | FEOpts.ARCMTMigrateEmitARCErrors); |
172 | 8 | break; |
173 | 36.8k | } |
174 | | |
175 | 36.8k | if (FEOpts.ObjCMTAction != FrontendOptions::ObjCMT_None) { |
176 | 21 | Act = std::make_unique<arcmt::ObjCMigrateAction>(std::move(Act), |
177 | 21 | FEOpts.MTMigrateDir, |
178 | 21 | FEOpts.ObjCMTAction); |
179 | 21 | } |
180 | 36.8k | } |
181 | 40.1k | #endif |
182 | | |
183 | | // If there are any AST files to merge, create a frontend action |
184 | | // adaptor to perform the merge. |
185 | 40.1k | if (!FEOpts.ASTMergeFiles.empty()) |
186 | 33 | Act = std::make_unique<ASTMergeAction>(std::move(Act), |
187 | 33 | FEOpts.ASTMergeFiles); |
188 | | |
189 | 40.1k | return Act; |
190 | 40.1k | } |
191 | | |
192 | 40.1k | bool ExecuteCompilerInvocation(CompilerInstance *Clang) { |
193 | | // Honor -help. |
194 | 40.1k | if (Clang->getFrontendOpts().ShowHelp) { |
195 | 1 | driver::getDriverOptTable().printHelp( |
196 | 1 | llvm::outs(), "clang -cc1 [options] file...", |
197 | 1 | "LLVM 'Clang' Compiler: http://clang.llvm.org", |
198 | 1 | /*Include=*/driver::options::CC1Option, |
199 | 1 | /*Exclude=*/0, /*ShowAllAliases=*/false); |
200 | 1 | return true; |
201 | 1 | } |
202 | | |
203 | | // Honor -version. |
204 | | // |
205 | | // FIXME: Use a better -version message? |
206 | 40.1k | if (Clang->getFrontendOpts().ShowVersion) { |
207 | 1 | llvm::cl::PrintVersionMessage(); |
208 | 1 | return true; |
209 | 1 | } |
210 | | |
211 | 40.1k | Clang->LoadRequestedPlugins(); |
212 | | |
213 | | // Honor -mllvm. |
214 | | // |
215 | | // FIXME: Remove this, one day. |
216 | | // This should happen AFTER plugins have been loaded! |
217 | 40.1k | if (!Clang->getFrontendOpts().LLVMArgs.empty()) { |
218 | 4.81k | unsigned NumArgs = Clang->getFrontendOpts().LLVMArgs.size(); |
219 | 4.81k | auto Args = std::make_unique<const char*[]>(NumArgs + 2); |
220 | 4.81k | Args[0] = "clang (LLVM option parsing)"; |
221 | 9.72k | for (unsigned i = 0; i != NumArgs; ++i4.91k ) |
222 | 4.91k | Args[i + 1] = Clang->getFrontendOpts().LLVMArgs[i].c_str(); |
223 | 4.81k | Args[NumArgs + 1] = nullptr; |
224 | 4.81k | llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get()); |
225 | 4.81k | } |
226 | | |
227 | 40.1k | #if CLANG_ENABLE_STATIC_ANALYZER |
228 | | // These should happen AFTER plugins have been loaded! |
229 | | |
230 | 40.1k | AnalyzerOptions &AnOpts = *Clang->getAnalyzerOpts(); |
231 | | |
232 | | // Honor -analyzer-checker-help and -analyzer-checker-help-hidden. |
233 | 40.1k | if (AnOpts.ShowCheckerHelp || AnOpts.ShowCheckerHelpAlpha40.1k || |
234 | 40.1k | AnOpts.ShowCheckerHelpDeveloper40.1k ) { |
235 | 9 | ento::printCheckerHelp(llvm::outs(), *Clang); |
236 | 9 | return true; |
237 | 9 | } |
238 | | |
239 | | // Honor -analyzer-checker-option-help. |
240 | 40.1k | if (AnOpts.ShowCheckerOptionList || AnOpts.ShowCheckerOptionAlphaList40.1k || |
241 | 40.1k | AnOpts.ShowCheckerOptionDeveloperList40.1k ) { |
242 | 7 | ento::printCheckerConfigList(llvm::outs(), *Clang); |
243 | 7 | return true; |
244 | 7 | } |
245 | | |
246 | | // Honor -analyzer-list-enabled-checkers. |
247 | 40.1k | if (AnOpts.ShowEnabledCheckerList) { |
248 | 4 | ento::printEnabledCheckerList(llvm::outs(), *Clang); |
249 | 4 | return true; |
250 | 4 | } |
251 | | |
252 | | // Honor -analyzer-config-help. |
253 | 40.1k | if (AnOpts.ShowConfigOptionsList) { |
254 | 1 | ento::printAnalyzerConfigList(llvm::outs()); |
255 | 1 | return true; |
256 | 1 | } |
257 | 40.1k | #endif |
258 | | |
259 | | // If there were errors in processing arguments, don't do anything else. |
260 | 40.1k | if (Clang->getDiagnostics().hasErrorOccurred()) |
261 | 0 | return false; |
262 | | // Create and execute the frontend action. |
263 | 40.1k | std::unique_ptr<FrontendAction> Act(CreateFrontendAction(*Clang)); |
264 | 40.1k | if (!Act) |
265 | 1 | return false; |
266 | 40.1k | bool Success = Clang->ExecuteAction(*Act); |
267 | 40.1k | if (Clang->getFrontendOpts().DisableFree) |
268 | 5.71k | llvm::BuryPointer(std::move(Act)); |
269 | 40.1k | return Success; |
270 | 40.1k | } |
271 | | |
272 | | } // namespace clang |