1//===--- FrontendActions.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#include "clang/Frontend/FrontendActions.h"
11#include "clang/AST/ASTConsumer.h"
12#include "clang/Lex/Preprocessor.h"
13#include "clang/Parse/Parser.h"
14#include "clang/Basic/FileManager.h"
15#include "clang/Frontend/AnalysisConsumer.h"
16#include "clang/Frontend/ASTConsumers.h"
17#include "clang/Frontend/ASTUnit.h"
18#include "clang/Frontend/CompilerInstance.h"
19#include "clang/Frontend/FixItRewriter.h"
20#include "clang/Frontend/FrontendDiagnostic.h"
21#include "clang/Frontend/Utils.h"
22#include "llvm/Support/raw_ostream.h"
23using namespace clang;
24
25//===----------------------------------------------------------------------===//
26// AST Consumer Actions
27//===----------------------------------------------------------------------===//
28
29ASTConsumer *AnalysisAction::CreateASTConsumer(CompilerInstance &CI,
30 llvm::StringRef InFile) {
31 return CreateAnalysisConsumer(CI.getPreprocessor(),
32 CI.getFrontendOpts().OutputFile,
33 CI.getAnalyzerOpts());
34}
35
36ASTConsumer *ASTPrintAction::CreateASTConsumer(CompilerInstance &CI,
37 llvm::StringRef InFile) {
38 return CreateASTPrinter(CI.createDefaultOutputFile(false, InFile));
39}
40
41ASTConsumer *ASTPrintXMLAction::CreateASTConsumer(CompilerInstance &CI,
42 llvm::StringRef InFile) {
43 return CreateASTPrinterXML(CI.createDefaultOutputFile(false, InFile,
44 "xml"));
45}
46
47ASTConsumer *ASTDumpAction::CreateASTConsumer(CompilerInstance &CI,
48 llvm::StringRef InFile) {
49 return CreateASTDumper();
50}
51
52ASTConsumer *ASTViewAction::CreateASTConsumer(CompilerInstance &CI,
53 llvm::StringRef InFile) {
54 return CreateASTViewer();
55}
56
57ASTConsumer *DeclContextPrintAction::CreateASTConsumer(CompilerInstance &CI,
58 llvm::StringRef InFile) {
59 return CreateDeclContextPrinter();
60}
61
62ASTConsumer *DumpRecordAction::CreateASTConsumer(CompilerInstance &CI,
63 llvm::StringRef InFile) {
64 return CreateRecordLayoutDumper();
65}
66
67ASTConsumer *GeneratePCHAction::CreateASTConsumer(CompilerInstance &CI,
68 llvm::StringRef InFile) {
69 const std::string &Sysroot = CI.getHeaderSearchOpts().Sysroot;
70 if (CI.getFrontendOpts().RelocatablePCH &&
71 Sysroot.empty()) {
72 CI.getDiagnostics().Report(diag::err_relocatable_without_without_isysroot);
73 return 0;
74 }
75
76 llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, InFile);
77 if (CI.getFrontendOpts().RelocatablePCH)
78 return CreatePCHGenerator(CI.getPreprocessor(), OS, Sysroot.c_str());
79
80 return CreatePCHGenerator(CI.getPreprocessor(), OS);
81}
82
83ASTConsumer *HTMLPrintAction::CreateASTConsumer(CompilerInstance &CI,
84 llvm::StringRef InFile) {
85 return CreateHTMLPrinter(CI.createDefaultOutputFile(false, InFile),
86 CI.getPreprocessor());
87}
88
89ASTConsumer *InheritanceViewAction::CreateASTConsumer(CompilerInstance &CI,
90 llvm::StringRef InFile) {
91 return CreateInheritanceViewer(CI.getFrontendOpts().ViewClassInheritance);
92}
93
94FixItAction::FixItAction() {}
95FixItAction::~FixItAction() {}
96
97ASTConsumer *FixItAction::CreateASTConsumer(CompilerInstance &CI,
98 llvm::StringRef InFile) {
99 return new ASTConsumer();
100}
101
102/// AddFixItLocations - Add any individual user specified "fix-it" locations,
103/// and return true on success.
104static bool AddFixItLocations(CompilerInstance &CI,
105 FixItRewriter &FixItRewrite) {
106 const std::vector<ParsedSourceLocation> &Locs =
107 CI.getFrontendOpts().FixItLocations;
108 for (unsigned i = 0, e = Locs.size(); i != e; ++i) {
109 const FileEntry *File = CI.getFileManager().getFile(Locs[i].FileName);
110 if (!File) {
111 CI.getDiagnostics().Report(diag::err_fe_unable_to_find_fixit_file)
112 << Locs[i].FileName;
113 return false;
114 }
115
116 RequestedSourceLocation Requested;
117 Requested.File = File;
118 Requested.Line = Locs[i].Line;
119 Requested.Column = Locs[i].Column;
120 FixItRewrite.addFixItLocation(Requested);
121 }
122
123 return true;
124}
125
126bool FixItAction::BeginSourceFileAction(CompilerInstance &CI,
127 llvm::StringRef Filename) {
128 Rewriter.reset(new FixItRewriter(CI.getDiagnostics(), CI.getSourceManager(),
129 CI.getLangOpts()));
130 if (!AddFixItLocations(CI, *Rewriter))
131 return false;
132
133 return true;
134}
135
136void FixItAction::EndSourceFileAction() {
137 const FrontendOptions &FEOpts = getCompilerInstance().getFrontendOpts();
138 Rewriter->WriteFixedFile(getCurrentFile(), FEOpts.OutputFile);
139}
140
141ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
142 llvm::StringRef InFile) {
143 return CreateObjCRewriter(InFile,
144 CI.createDefaultOutputFile(true, InFile, "cpp"),
145 CI.getDiagnostics(), CI.getLangOpts(),
146 CI.getDiagnosticOpts().NoRewriteMacros);
147}
148
149ASTConsumer *RewriteBlocksAction::CreateASTConsumer(CompilerInstance &CI,
150 llvm::StringRef InFile) {
151 return CreateBlockRewriter(InFile, CI.getDiagnostics(), CI.getLangOpts());
152}
153
154ASTConsumer *SyntaxOnlyAction::CreateASTConsumer(CompilerInstance &CI,
155 llvm::StringRef InFile) {
156 return new ASTConsumer();
157}
158
159CodeGenAction::CodeGenAction(unsigned _Act) : Act(_Act) {}
160
161ASTConsumer *CodeGenAction::CreateASTConsumer(CompilerInstance &CI,
162 llvm::StringRef InFile) {
163 BackendAction BA = static_cast<BackendAction>(Act);
164 llvm::OwningPtr<llvm::raw_ostream> OS;
165 if (BA == Backend_EmitAssembly)
166 OS.reset(CI.createDefaultOutputFile(false, InFile, "s"));
167 else if (BA == Backend_EmitLL)
168 OS.reset(CI.createDefaultOutputFile(false, InFile, "ll"));
169 else if (BA == Backend_EmitBC)
170 OS.reset(CI.createDefaultOutputFile(true, InFile, "bc"));
171
172 return CreateBackendConsumer(BA, CI.getDiagnostics(), CI.getLangOpts(),
| 1//===--- FrontendActions.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#include "clang/Frontend/FrontendActions.h"
11#include "clang/AST/ASTConsumer.h"
12#include "clang/Lex/Preprocessor.h"
13#include "clang/Parse/Parser.h"
14#include "clang/Basic/FileManager.h"
15#include "clang/Frontend/AnalysisConsumer.h"
16#include "clang/Frontend/ASTConsumers.h"
17#include "clang/Frontend/ASTUnit.h"
18#include "clang/Frontend/CompilerInstance.h"
19#include "clang/Frontend/FixItRewriter.h"
20#include "clang/Frontend/FrontendDiagnostic.h"
21#include "clang/Frontend/Utils.h"
22#include "llvm/Support/raw_ostream.h"
23using namespace clang;
24
25//===----------------------------------------------------------------------===//
26// AST Consumer Actions
27//===----------------------------------------------------------------------===//
28
29ASTConsumer *AnalysisAction::CreateASTConsumer(CompilerInstance &CI,
30 llvm::StringRef InFile) {
31 return CreateAnalysisConsumer(CI.getPreprocessor(),
32 CI.getFrontendOpts().OutputFile,
33 CI.getAnalyzerOpts());
34}
35
36ASTConsumer *ASTPrintAction::CreateASTConsumer(CompilerInstance &CI,
37 llvm::StringRef InFile) {
38 return CreateASTPrinter(CI.createDefaultOutputFile(false, InFile));
39}
40
41ASTConsumer *ASTPrintXMLAction::CreateASTConsumer(CompilerInstance &CI,
42 llvm::StringRef InFile) {
43 return CreateASTPrinterXML(CI.createDefaultOutputFile(false, InFile,
44 "xml"));
45}
46
47ASTConsumer *ASTDumpAction::CreateASTConsumer(CompilerInstance &CI,
48 llvm::StringRef InFile) {
49 return CreateASTDumper();
50}
51
52ASTConsumer *ASTViewAction::CreateASTConsumer(CompilerInstance &CI,
53 llvm::StringRef InFile) {
54 return CreateASTViewer();
55}
56
57ASTConsumer *DeclContextPrintAction::CreateASTConsumer(CompilerInstance &CI,
58 llvm::StringRef InFile) {
59 return CreateDeclContextPrinter();
60}
61
62ASTConsumer *DumpRecordAction::CreateASTConsumer(CompilerInstance &CI,
63 llvm::StringRef InFile) {
64 return CreateRecordLayoutDumper();
65}
66
67ASTConsumer *GeneratePCHAction::CreateASTConsumer(CompilerInstance &CI,
68 llvm::StringRef InFile) {
69 const std::string &Sysroot = CI.getHeaderSearchOpts().Sysroot;
70 if (CI.getFrontendOpts().RelocatablePCH &&
71 Sysroot.empty()) {
72 CI.getDiagnostics().Report(diag::err_relocatable_without_without_isysroot);
73 return 0;
74 }
75
76 llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, InFile);
77 if (CI.getFrontendOpts().RelocatablePCH)
78 return CreatePCHGenerator(CI.getPreprocessor(), OS, Sysroot.c_str());
79
80 return CreatePCHGenerator(CI.getPreprocessor(), OS);
81}
82
83ASTConsumer *HTMLPrintAction::CreateASTConsumer(CompilerInstance &CI,
84 llvm::StringRef InFile) {
85 return CreateHTMLPrinter(CI.createDefaultOutputFile(false, InFile),
86 CI.getPreprocessor());
87}
88
89ASTConsumer *InheritanceViewAction::CreateASTConsumer(CompilerInstance &CI,
90 llvm::StringRef InFile) {
91 return CreateInheritanceViewer(CI.getFrontendOpts().ViewClassInheritance);
92}
93
94FixItAction::FixItAction() {}
95FixItAction::~FixItAction() {}
96
97ASTConsumer *FixItAction::CreateASTConsumer(CompilerInstance &CI,
98 llvm::StringRef InFile) {
99 return new ASTConsumer();
100}
101
102/// AddFixItLocations - Add any individual user specified "fix-it" locations,
103/// and return true on success.
104static bool AddFixItLocations(CompilerInstance &CI,
105 FixItRewriter &FixItRewrite) {
106 const std::vector<ParsedSourceLocation> &Locs =
107 CI.getFrontendOpts().FixItLocations;
108 for (unsigned i = 0, e = Locs.size(); i != e; ++i) {
109 const FileEntry *File = CI.getFileManager().getFile(Locs[i].FileName);
110 if (!File) {
111 CI.getDiagnostics().Report(diag::err_fe_unable_to_find_fixit_file)
112 << Locs[i].FileName;
113 return false;
114 }
115
116 RequestedSourceLocation Requested;
117 Requested.File = File;
118 Requested.Line = Locs[i].Line;
119 Requested.Column = Locs[i].Column;
120 FixItRewrite.addFixItLocation(Requested);
121 }
122
123 return true;
124}
125
126bool FixItAction::BeginSourceFileAction(CompilerInstance &CI,
127 llvm::StringRef Filename) {
128 Rewriter.reset(new FixItRewriter(CI.getDiagnostics(), CI.getSourceManager(),
129 CI.getLangOpts()));
130 if (!AddFixItLocations(CI, *Rewriter))
131 return false;
132
133 return true;
134}
135
136void FixItAction::EndSourceFileAction() {
137 const FrontendOptions &FEOpts = getCompilerInstance().getFrontendOpts();
138 Rewriter->WriteFixedFile(getCurrentFile(), FEOpts.OutputFile);
139}
140
141ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
142 llvm::StringRef InFile) {
143 return CreateObjCRewriter(InFile,
144 CI.createDefaultOutputFile(true, InFile, "cpp"),
145 CI.getDiagnostics(), CI.getLangOpts(),
146 CI.getDiagnosticOpts().NoRewriteMacros);
147}
148
149ASTConsumer *RewriteBlocksAction::CreateASTConsumer(CompilerInstance &CI,
150 llvm::StringRef InFile) {
151 return CreateBlockRewriter(InFile, CI.getDiagnostics(), CI.getLangOpts());
152}
153
154ASTConsumer *SyntaxOnlyAction::CreateASTConsumer(CompilerInstance &CI,
155 llvm::StringRef InFile) {
156 return new ASTConsumer();
157}
158
159CodeGenAction::CodeGenAction(unsigned _Act) : Act(_Act) {}
160
161ASTConsumer *CodeGenAction::CreateASTConsumer(CompilerInstance &CI,
162 llvm::StringRef InFile) {
163 BackendAction BA = static_cast<BackendAction>(Act);
164 llvm::OwningPtr<llvm::raw_ostream> OS;
165 if (BA == Backend_EmitAssembly)
166 OS.reset(CI.createDefaultOutputFile(false, InFile, "s"));
167 else if (BA == Backend_EmitLL)
168 OS.reset(CI.createDefaultOutputFile(false, InFile, "ll"));
169 else if (BA == Backend_EmitBC)
170 OS.reset(CI.createDefaultOutputFile(true, InFile, "bc"));
171
172 return CreateBackendConsumer(BA, CI.getDiagnostics(), CI.getLangOpts(),
|
173 CI.getCodeGenOpts(), CI.getTargetOpts(), InFile,
| 173 CI.getCodeGenOpts(), CI.getTargetOpts(),
174 CI.getFrontendOpts().ShowTimers, InFile,
|
174 OS.take(), CI.getLLVMContext());
175}
176
177EmitAssemblyAction::EmitAssemblyAction()
178 : CodeGenAction(Backend_EmitAssembly) {}
179
180EmitBCAction::EmitBCAction() : CodeGenAction(Backend_EmitBC) {}
181
182EmitLLVMAction::EmitLLVMAction() : CodeGenAction(Backend_EmitLL) {}
183
184EmitLLVMOnlyAction::EmitLLVMOnlyAction() : CodeGenAction(Backend_EmitNothing) {}
185
186//===----------------------------------------------------------------------===//
187// Preprocessor Actions
188//===----------------------------------------------------------------------===//
189
190void DumpRawTokensAction::ExecuteAction() {
191 Preprocessor &PP = getCompilerInstance().getPreprocessor();
192 SourceManager &SM = PP.getSourceManager();
193
194 // Start lexing the specified input file.
| 175 OS.take(), CI.getLLVMContext());
176}
177
178EmitAssemblyAction::EmitAssemblyAction()
179 : CodeGenAction(Backend_EmitAssembly) {}
180
181EmitBCAction::EmitBCAction() : CodeGenAction(Backend_EmitBC) {}
182
183EmitLLVMAction::EmitLLVMAction() : CodeGenAction(Backend_EmitLL) {}
184
185EmitLLVMOnlyAction::EmitLLVMOnlyAction() : CodeGenAction(Backend_EmitNothing) {}
186
187//===----------------------------------------------------------------------===//
188// Preprocessor Actions
189//===----------------------------------------------------------------------===//
190
191void DumpRawTokensAction::ExecuteAction() {
192 Preprocessor &PP = getCompilerInstance().getPreprocessor();
193 SourceManager &SM = PP.getSourceManager();
194
195 // Start lexing the specified input file.
|
195 Lexer RawLex(SM.getMainFileID(), SM, PP.getLangOptions());
| 196 const llvm::MemoryBuffer *FromFile = SM.getBuffer(SM.getMainFileID());
197 Lexer RawLex(SM.getMainFileID(), FromFile, SM, PP.getLangOptions());
|
196 RawLex.SetKeepWhitespaceMode(true);
197
198 Token RawTok;
199 RawLex.LexFromRawLexer(RawTok);
200 while (RawTok.isNot(tok::eof)) {
201 PP.DumpToken(RawTok, true);
| 198 RawLex.SetKeepWhitespaceMode(true);
199
200 Token RawTok;
201 RawLex.LexFromRawLexer(RawTok);
202 while (RawTok.isNot(tok::eof)) {
203 PP.DumpToken(RawTok, true);
|
202 fprintf(stderr, "\n");
| 204 llvm::errs() << "\n";
|
203 RawLex.LexFromRawLexer(RawTok);
204 }
205}
206
207void DumpTokensAction::ExecuteAction() {
208 Preprocessor &PP = getCompilerInstance().getPreprocessor();
209 // Start preprocessing the specified input file.
210 Token Tok;
211 PP.EnterMainSourceFile();
212 do {
213 PP.Lex(Tok);
214 PP.DumpToken(Tok, true);
| 205 RawLex.LexFromRawLexer(RawTok);
206 }
207}
208
209void DumpTokensAction::ExecuteAction() {
210 Preprocessor &PP = getCompilerInstance().getPreprocessor();
211 // Start preprocessing the specified input file.
212 Token Tok;
213 PP.EnterMainSourceFile();
214 do {
215 PP.Lex(Tok);
216 PP.DumpToken(Tok, true);
|
215 fprintf(stderr, "\n");
| 217 llvm::errs() << "\n";
|
216 } while (Tok.isNot(tok::eof));
217}
218
219void GeneratePTHAction::ExecuteAction() {
220 CompilerInstance &CI = getCompilerInstance();
221 if (CI.getFrontendOpts().OutputFile.empty() ||
222 CI.getFrontendOpts().OutputFile == "-") {
223 // FIXME: Don't fail this way.
224 // FIXME: Verify that we can actually seek in the given file.
| 218 } while (Tok.isNot(tok::eof));
219}
220
221void GeneratePTHAction::ExecuteAction() {
222 CompilerInstance &CI = getCompilerInstance();
223 if (CI.getFrontendOpts().OutputFile.empty() ||
224 CI.getFrontendOpts().OutputFile == "-") {
225 // FIXME: Don't fail this way.
226 // FIXME: Verify that we can actually seek in the given file.
|
225 llvm::errs() << "ERROR: PTH requires an seekable file for output!\n";
226 ::exit(1);
| 227 llvm::llvm_report_error("PTH requires a seekable file for output!");
|
227 }
228 llvm::raw_fd_ostream *OS =
229 CI.createDefaultOutputFile(true, getCurrentFile());
230 CacheTokens(CI.getPreprocessor(), OS);
231}
232
233void ParseOnlyAction::ExecuteAction() {
234 Preprocessor &PP = getCompilerInstance().getPreprocessor();
235 llvm::OwningPtr<Action> PA(new MinimalAction(PP));
236
237 Parser P(PP, *PA);
238 PP.EnterMainSourceFile();
239 P.ParseTranslationUnit();
240}
241
242void PreprocessOnlyAction::ExecuteAction() {
243 Preprocessor &PP = getCompilerInstance().getPreprocessor();
244
245 Token Tok;
246 // Start parsing the specified input file.
247 PP.EnterMainSourceFile();
248 do {
249 PP.Lex(Tok);
250 } while (Tok.isNot(tok::eof));
251}
252
253void PrintParseAction::ExecuteAction() {
254 CompilerInstance &CI = getCompilerInstance();
255 Preprocessor &PP = getCompilerInstance().getPreprocessor();
256 llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
257 llvm::OwningPtr<Action> PA(CreatePrintParserActionsAction(PP, OS));
258
259 Parser P(PP, *PA);
260 PP.EnterMainSourceFile();
261 P.ParseTranslationUnit();
262}
263
264void PrintPreprocessedAction::ExecuteAction() {
265 CompilerInstance &CI = getCompilerInstance();
266 llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
267 DoPrintPreprocessedInput(CI.getPreprocessor(), OS,
268 CI.getPreprocessorOutputOpts());
269}
270
271void RewriteMacrosAction::ExecuteAction() {
272 CompilerInstance &CI = getCompilerInstance();
273 llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, getCurrentFile());
274 RewriteMacrosInInput(CI.getPreprocessor(), OS);
275}
276
277void RewriteTestAction::ExecuteAction() {
278 CompilerInstance &CI = getCompilerInstance();
279 llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
280 DoRewriteTest(CI.getPreprocessor(), OS);
281}
| 228 }
229 llvm::raw_fd_ostream *OS =
230 CI.createDefaultOutputFile(true, getCurrentFile());
231 CacheTokens(CI.getPreprocessor(), OS);
232}
233
234void ParseOnlyAction::ExecuteAction() {
235 Preprocessor &PP = getCompilerInstance().getPreprocessor();
236 llvm::OwningPtr<Action> PA(new MinimalAction(PP));
237
238 Parser P(PP, *PA);
239 PP.EnterMainSourceFile();
240 P.ParseTranslationUnit();
241}
242
243void PreprocessOnlyAction::ExecuteAction() {
244 Preprocessor &PP = getCompilerInstance().getPreprocessor();
245
246 Token Tok;
247 // Start parsing the specified input file.
248 PP.EnterMainSourceFile();
249 do {
250 PP.Lex(Tok);
251 } while (Tok.isNot(tok::eof));
252}
253
254void PrintParseAction::ExecuteAction() {
255 CompilerInstance &CI = getCompilerInstance();
256 Preprocessor &PP = getCompilerInstance().getPreprocessor();
257 llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
258 llvm::OwningPtr<Action> PA(CreatePrintParserActionsAction(PP, OS));
259
260 Parser P(PP, *PA);
261 PP.EnterMainSourceFile();
262 P.ParseTranslationUnit();
263}
264
265void PrintPreprocessedAction::ExecuteAction() {
266 CompilerInstance &CI = getCompilerInstance();
267 llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
268 DoPrintPreprocessedInput(CI.getPreprocessor(), OS,
269 CI.getPreprocessorOutputOpts());
270}
271
272void RewriteMacrosAction::ExecuteAction() {
273 CompilerInstance &CI = getCompilerInstance();
274 llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, getCurrentFile());
275 RewriteMacrosInInput(CI.getPreprocessor(), OS);
276}
277
278void RewriteTestAction::ExecuteAction() {
279 CompilerInstance &CI = getCompilerInstance();
280 llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
281 DoRewriteTest(CI.getPreprocessor(), OS);
282}
|