|
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: {
|
|
|
77 for (FrontendPluginRegistry::iterator it =
|
|
|
78 FrontendPluginRegistry::begin(), ie = FrontendPluginRegistry::end();
|
|
|
79 it != ie; ++it) {
|
|
|
80 if (it->getName() == CI.getFrontendOpts().ActionName) {
|
|
|
81 std::unique_ptr<PluginASTAction> P(it->instantiate());
|
|
|
82 if ((P->getActionType() != PluginASTAction::ReplaceAction &&
|
|
|
83 P->getActionType() != PluginASTAction::Cmdline) ||
|
|
|
84 !P->ParseArgs(
|
|
|
85 CI,
|
|
|
86 CI.getFrontendOpts().PluginArgs[std::string(it->getName())]))
|
|
|
87 return nullptr;
|
|
|
88 return std::move(P);
|
|
|
89 }
|
|
|
90 }
|
|
|
91
|
|
|
92 CI.getDiagnostics().Report(diag::err_fe_invalid_plugin_name)
|
|
|
93 << CI.getFrontendOpts().ActionName;
|
|
|
94 return nullptr;
|
|
|
95 }
|
|
|
96
|
|
|
97 case PrintPreamble: return std::make_unique<PrintPreambleAction>();
|
|
|
98 case PrintPreprocessedInput: {
|
|
|
99 if (CI.getPreprocessorOutputOpts().RewriteIncludes ||
|
|
|
100 CI.getPreprocessorOutputOpts().RewriteImports)
|
|
|
101 return std::make_unique<RewriteIncludesAction>();
|
|
|
102 return std::make_unique<PrintPreprocessedAction>();
|
|
|
103 }
|
|
|
104
|
|
|
105 case RewriteMacros: return std::make_unique<RewriteMacrosAction>();
|
|
|
106 case RewriteTest: return std::make_unique<RewriteTestAction>();
|
|
|
107 #if CLANG_ENABLE_OBJC_REWRITER
|
|
|
108 case RewriteObjC: return std::make_unique<RewriteObjCAction>();
|
|
|
109 #else
|
|
|
110 case RewriteObjC: Action = "RewriteObjC"; break;
|
|
|
111 #endif
|
|
|
112 #if CLANG_ENABLE_ARCMT
|
|
|
113 case MigrateSource:
|
|
|
114 return std::make_unique<arcmt::MigrateSourceAction>();
|
|
|
115 #else
|
|
|
116 case MigrateSource: Action = "MigrateSource"; break;
|
|
|
117 #endif
|
|
|
118 #if CLANG_ENABLE_STATIC_ANALYZER
|
|
|
119 case RunAnalysis: return std::make_unique<ento::AnalysisAction>();
|
|
|
120 #else
|
|
|
121 case RunAnalysis: Action = "RunAnalysis"; break;
|
|
|
122 #endif
|
|
|
123 case RunPreprocessorOnly: return std::make_unique<PreprocessOnlyAction>();
|
|
|
124 case PrintDependencyDirectivesSourceMinimizerOutput:
|
|
|
125 return std::make_unique<PrintDependencyDirectivesSourceMinimizerAction>();
|
|
|
126 }
|
|
|
127
|
|
|
128 #if !CLANG_ENABLE_ARCMT || !CLANG_ENABLE_STATIC_ANALYZER \
|
|
|
129 || !CLANG_ENABLE_OBJC_REWRITER
|
|
|
130 CI.getDiagnostics().Report(diag::err_fe_action_not_available) << Action;
|
|
|
131 return 0;
|
|
|
132 #else
|
|
|
133 llvm_unreachable("Invalid program action!");
|
|
|
134 #endif
|
|
|
135 }
|
|
|
136
|
|
|
137 std::unique_ptr<FrontendAction>
|
|
|
138 CreateFrontendAction(CompilerInstance &CI) {
|
|
|
139 // Create the underlying action.
|
|
|
140 std::unique_ptr<FrontendAction> Act = CreateFrontendBaseAction(CI);
|
|
|
141 if (!Act)
|
|
|
142 return nullptr;
|
|
|
143
|
|
|
144 const FrontendOptions &FEOpts = CI.getFrontendOpts();
|
|
|
145
|
|
|
146 if (FEOpts.FixAndRecompile) {
|
|
|
147 Act = std::make_unique<FixItRecompile>(std::move(Act));
|
|
|
148 }
|
|
|
149
|
|
|
150 #if CLANG_ENABLE_ARCMT
|
|
|
151 if (CI.getFrontendOpts().ProgramAction != frontend::MigrateSource &&
|
|
|
152 CI.getFrontendOpts().ProgramAction != frontend::GeneratePCH) {
|
|
|
153 // Potentially wrap the base FE action in an ARC Migrate Tool action.
|
|
|
154 switch (FEOpts.ARCMTAction) {
|
|
|
155 case FrontendOptions::ARCMT_None:
|
|
|
156 break;
|
|
|
157 case FrontendOptions::ARCMT_Check:
|
|
|
158 Act = std::make_unique<arcmt::CheckAction>(std::move(Act));
|
|
|
159 break;
|
|
|
160 case FrontendOptions::ARCMT_Modify:
|
|
|
161 Act = std::make_unique<arcmt::ModifyAction>(std::move(Act));
|
|
|
162 break;
|
|
|
163 case FrontendOptions::ARCMT_Migrate:
|
|
|
164 Act = std::make_unique<arcmt::MigrateAction>(std::move(Act),
|
|
|
165 FEOpts.MTMigrateDir,
|
|
|
166 FEOpts.ARCMTMigrateReportOut,
|
|
|
167 FEOpts.ARCMTMigrateEmitARCErrors);
|
|
|
168 break;
|
|
|
169 }
|
|
|
170
|
|
|
171 if (FEOpts.ObjCMTAction != FrontendOptions::ObjCMT_None) {
|
|
|
172 Act = std::make_unique<arcmt::ObjCMigrateAction>(std::move(Act),
|
|
|
173 FEOpts.MTMigrateDir,
|
|
|
174 FEOpts.ObjCMTAction);
|
|
|
175 }
|
|
|
176 }
|
|
|
177 #endif
|
|
|
178
|
|
|
179 // If there are any AST files to merge, create a frontend action
|
|
|
180 // adaptor to perform the merge.
|
|
|
181 if (!FEOpts.ASTMergeFiles.empty())
|
|
|
182 Act = std::make_unique<ASTMergeAction>(std::move(Act),
|
|
|
183 FEOpts.ASTMergeFiles);
|
|
|
184
|
|
|
185 return Act;
|
|
|
186 }
|
|
|
187
|
|
|
188 bool ExecuteCompilerInvocation(CompilerInstance *Clang) {
|
|
|
189 // Honor -help.
|
|
|
190 if (Clang->getFrontendOpts().ShowHelp) {
|
|
|
191 driver::getDriverOptTable().PrintHelp(
|
|
|
192 llvm::outs(), "clang -cc1 [options] file...",
|
|
|
193 "LLVM 'Clang' Compiler: http://clang.llvm.org",
|
|
|
194 /*Include=*/driver::options::CC1Option,
|
|
|
195 /*Exclude=*/0, /*ShowAllAliases=*/false);
|
|
|
196 return true;
|
|
|
197 }
|
|
|
198
|
|
|
199 // Honor -version.
|
|
|
200 //
|
|
|
201 // FIXME: Use a better -version message?
|
|
|
202 if (Clang->getFrontendOpts().ShowVersion) {
|
|
|
203 llvm::cl::PrintVersionMessage();
|
|
|
204 return true;
|
|
|
205 }
|
|
|
206
|
|
|
207 // Load any requested plugins.
|
|
|
208 for (unsigned i = 0,
|
|
|
209 e = Clang->getFrontendOpts().Plugins.size(); i != e; ++i) {
|
|
|
210 const std::string &Path = Clang->getFrontendOpts().Plugins[i];
|
|
|
211 std::string Error;
|
|
|
212 if (llvm::sys::DynamicLibrary::LoadLibraryPermanently(Path.c_str(), &Error))
|
|
|
213 Clang->getDiagnostics().Report(diag::err_fe_unable_to_load_plugin)
|
|
|
214 << Path << Error;
|
|
|
215 }
|
|
|
216
|
|
|
217 // Check if any of the loaded plugins replaces the main AST action
|
|
|
218 for (FrontendPluginRegistry::iterator it = FrontendPluginRegistry::begin(),
|
|
|
219 ie = FrontendPluginRegistry::end();
|
|
|
220 it != ie; ++it) {
|
|
|
221 std::unique_ptr<PluginASTAction> P(it->instantiate());
|
|
|
222 if (P->getActionType() == PluginASTAction::ReplaceAction) {
|
|
|
223 Clang->getFrontendOpts().ProgramAction = clang::frontend::PluginAction;
|
|
|
224 Clang->getFrontendOpts().ActionName = std::string(it->getName());
|
|
|
225 break;
|
|
|
226 }
|
|
|
227 }
|
|
|
228
|
|
|
229 // Honor -mllvm.
|
|
|
230 //
|
|
|
231 // FIXME: Remove this, one day.
|
|
|
232 // This should happen AFTER plugins have been loaded!
|
|
|
233 if (!Clang->getFrontendOpts().LLVMArgs.empty()) {
|
|
|
234 unsigned NumArgs = Clang->getFrontendOpts().LLVMArgs.size();
|
|
|
235 auto Args = std::make_unique<const char*[]>(NumArgs + 2);
|
|
|
236 Args[0] = "clang (LLVM option parsing)";
|
|
|
237 for (unsigned i = 0; i != NumArgs; ++i)
|
|
|
238 Args[i + 1] = Clang->getFrontendOpts().LLVMArgs[i].c_str();
|
|
|
239 Args[NumArgs + 1] = nullptr;
|
|
|
240 llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get());
|
|
|
241 }
|
|
|
242
|
|
|
243 #if CLANG_ENABLE_STATIC_ANALYZER
|
|
|
244 // These should happen AFTER plugins have been loaded!
|
|
|
245
|
|
|
246 AnalyzerOptions &AnOpts = *Clang->getAnalyzerOpts();
|
|
173
|
247
|
|
150
|
248 // Honor -analyzer-checker-help and -analyzer-checker-help-hidden.
|
|
|
249 if (AnOpts.ShowCheckerHelp || AnOpts.ShowCheckerHelpAlpha ||
|
|
|
250 AnOpts.ShowCheckerHelpDeveloper) {
|
|
173
|
251 ento::printCheckerHelp(llvm::outs(), *Clang);
|
|
150
|
252 return true;
|
|
|
253 }
|
|
|
254
|
|
|
255 // Honor -analyzer-checker-option-help.
|
|
|
256 if (AnOpts.ShowCheckerOptionList || AnOpts.ShowCheckerOptionAlphaList ||
|
|
|
257 AnOpts.ShowCheckerOptionDeveloperList) {
|
|
173
|
258 ento::printCheckerConfigList(llvm::outs(), *Clang);
|
|
150
|
259 return true;
|
|
|
260 }
|
|
|
261
|
|
|
262 // Honor -analyzer-list-enabled-checkers.
|
|
|
263 if (AnOpts.ShowEnabledCheckerList) {
|
|
173
|
264 ento::printEnabledCheckerList(llvm::outs(), *Clang);
|
|
150
|
265 return true;
|
|
|
266 }
|
|
|
267
|
|
|
268 // Honor -analyzer-config-help.
|
|
|
269 if (AnOpts.ShowConfigOptionsList) {
|
|
|
270 ento::printAnalyzerConfigList(llvm::outs());
|
|
|
271 return true;
|
|
|
272 }
|
|
|
273 #endif
|
|
|
274
|
|
|
275 // If there were errors in processing arguments, don't do anything else.
|
|
|
276 if (Clang->getDiagnostics().hasErrorOccurred())
|
|
|
277 return false;
|
|
|
278 // Create and execute the frontend action.
|
|
|
279 std::unique_ptr<FrontendAction> Act(CreateFrontendAction(*Clang));
|
|
|
280 if (!Act)
|
|
|
281 return false;
|
|
|
282 bool Success = Clang->ExecuteAction(*Act);
|
|
|
283 if (Clang->getFrontendOpts().DisableFree)
|
|
|
284 llvm::BuryPointer(std::move(Act));
|
|
|
285 return Success;
|
|
|
286 }
|
|
|
287
|
|
|
288 } // namespace clang
|
