PPCallbacks.h revision 076eea20b80024fc63bbd71fb019375983680ea6
1cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org//===--- PPCallbacks.h - Callbacks for Preprocessor actions -----*- C++ -*-===// 2cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org// 3cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org// The LLVM Compiler Infrastructure 4cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org// 5cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org// This file is distributed under the University of Illinois Open Source 6cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org// License. See LICENSE.TXT for details. 7cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org// 8cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org//===----------------------------------------------------------------------===// 9cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org/// 10cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org/// \file 11cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org/// \brief Defines the PPCallbacks interface. 12cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org/// 13cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org//===----------------------------------------------------------------------===// 14cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 15cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org#ifndef LLVM_CLANG_LEX_PPCALLBACKS_H 16cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org#define LLVM_CLANG_LEX_PPCALLBACKS_H 17cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 18cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org#include "clang/Basic/DiagnosticIDs.h" 19cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org#include "clang/Basic/SourceLocation.h" 20cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org#include "clang/Lex/DirectoryLookup.h" 21cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org#include "clang/Lex/ModuleLoader.h" 22cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org#include "llvm/ADT/StringRef.h" 23cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org#include <string> 24cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 25cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.orgnamespace clang { 26cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org class SourceLocation; 27cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org class Token; 28cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org class IdentifierInfo; 29cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org class MacroDirective; 30cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 31cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org/// \brief This interface provides a way to observe the actions of the 32cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org/// preprocessor as it does its thing. 33cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org/// 34cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org/// Clients can define their hooks here to implement preprocessor level tools. 35cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.orgclass PPCallbacks { 36cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.orgpublic: 37cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org virtual ~PPCallbacks(); 38cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 39cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org enum FileChangeReason { 40cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org EnterFile, ExitFile, SystemHeaderPragma, RenameFile 41cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org }; 42cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 43cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \brief Callback invoked whenever a source file is entered or exited. 44cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 45cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param Loc Indicates the new location. 46cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param PrevFID the file that was exited if \p Reason is ExitFile. 47cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason, 48cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org SrcMgr::CharacteristicKind FileType, 49cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org FileID PrevFID = FileID()) { 50cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org } 51cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 52cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \brief Callback invoked whenever a source file is skipped as the result 53cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// of header guard optimization. 54cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 55cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param ParentFile The file that \#included the skipped file. 56cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 57cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param FilenameTok The token in ParentFile that indicates the 58cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// skipped file. 59cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org virtual void FileSkipped(const FileEntry &ParentFile, 60cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org const Token &FilenameTok, 61cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org SrcMgr::CharacteristicKind FileType) { 62cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org } 63cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 64cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \brief Callback invoked whenever an inclusion directive results in a 65cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// file-not-found error. 66cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 67cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param FileName The name of the file being included, as written in the 68cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// source code. 69cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 70cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param RecoveryPath If this client indicates that it can recover from 71cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// this missing file, the client should set this as an additional header 72cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// search patch. 73cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 74cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \returns true to indicate that the preprocessor should attempt to recover 75cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// by adding \p RecoveryPath as a header search path. 76cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org virtual bool FileNotFound(StringRef FileName, 77cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org SmallVectorImpl<char> &RecoveryPath) { 78cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org return false; 79cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org } 80cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 81cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \brief Callback invoked whenever an inclusion directive of 82cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// any kind (\c \#include, \c \#import, etc.) has been processed, regardless 83cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// of whether the inclusion will actually result in an inclusion. 84cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 85cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param HashLoc The location of the '#' that starts the inclusion 86cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// directive. 87cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 88cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param IncludeTok The token that indicates the kind of inclusion 89cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// directive, e.g., 'include' or 'import'. 90cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 91cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param FileName The name of the file being included, as written in the 92cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// source code. 93cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 94cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param IsAngled Whether the file name was enclosed in angle brackets; 95cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// otherwise, it was enclosed in quotes. 96cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 97cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param FilenameRange The character range of the quotes or angle brackets 98cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// for the written file name. 99cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// 100cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// \param File The actual file that may be included by this inclusion 101cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org /// directive. 102 /// 103 /// \param SearchPath Contains the search path which was used to find the file 104 /// in the file system. If the file was found via an absolute include path, 105 /// SearchPath will be empty. For framework includes, the SearchPath and 106 /// RelativePath will be split up. For example, if an include of "Some/Some.h" 107 /// is found via the framework path 108 /// "path/to/Frameworks/Some.framework/Headers/Some.h", SearchPath will be 109 /// "path/to/Frameworks/Some.framework/Headers" and RelativePath will be 110 /// "Some.h". 111 /// 112 /// \param RelativePath The path relative to SearchPath, at which the include 113 /// file was found. This is equal to FileName except for framework includes. 114 /// 115 /// \param Imported The module, whenever an inclusion directive was 116 /// automatically turned into a module import or null otherwise. 117 /// 118 virtual void InclusionDirective(SourceLocation HashLoc, 119 const Token &IncludeTok, 120 StringRef FileName, 121 bool IsAngled, 122 CharSourceRange FilenameRange, 123 const FileEntry *File, 124 StringRef SearchPath, 125 StringRef RelativePath, 126 const Module *Imported) { 127 } 128 129 /// \brief Callback invoked whenever there was an explicit module-import 130 /// syntax. 131 /// 132 /// \param ImportLoc The location of import directive token. 133 /// 134 /// \param Path The identifiers (and their locations) of the module 135 /// "path", e.g., "std.vector" would be split into "std" and "vector". 136 /// 137 /// \param Imported The imported module; can be null if importing failed. 138 /// 139 virtual void moduleImport(SourceLocation ImportLoc, 140 ModuleIdPath Path, 141 const Module *Imported) { 142 } 143 144 /// \brief Callback invoked when the end of the main file is reached. 145 /// 146 /// No subsequent callbacks will be made. 147 virtual void EndOfMainFile() { 148 } 149 150 /// \brief Callback invoked when a \#ident or \#sccs directive is read. 151 /// \param Loc The location of the directive. 152 /// \param str The text of the directive. 153 /// 154 virtual void Ident(SourceLocation Loc, const std::string &str) { 155 } 156 157 /// \brief Callback invoked when a \#pragma comment directive is read. 158 virtual void PragmaComment(SourceLocation Loc, const IdentifierInfo *Kind, 159 const std::string &Str) { 160 } 161 162 /// \brief Callback invoked when a \#pragma clang __debug directive is read. 163 /// \param Loc The location of the debug directive. 164 /// \param DebugType The identifier following __debug. 165 virtual void PragmaDebug(SourceLocation Loc, StringRef DebugType) { 166 } 167 168 /// \brief Determines the kind of \#pragma invoking a call to PragmaMessage. 169 enum PragmaMessageKind { 170 /// \brief \#pragma message has been invoked. 171 PMK_Message, 172 173 /// \brief \#pragma GCC warning has been invoked. 174 PMK_Warning, 175 176 /// \brief \#pragma GCC error has been invoked. 177 PMK_Error 178 }; 179 180 /// \brief Callback invoked when a \#pragma message directive is read. 181 /// \param Loc The location of the message directive. 182 /// \param Namespace The namespace of the message directive. 183 /// \param Kind The type of the message directive. 184 /// \param Str The text of the message directive. 185 virtual void PragmaMessage(SourceLocation Loc, StringRef Namespace, 186 PragmaMessageKind Kind, StringRef Str) { 187 } 188 189 /// \brief Callback invoked when a \#pragma gcc dianostic push directive 190 /// is read. 191 virtual void PragmaDiagnosticPush(SourceLocation Loc, 192 StringRef Namespace) { 193 } 194 195 /// \brief Callback invoked when a \#pragma gcc dianostic pop directive 196 /// is read. 197 virtual void PragmaDiagnosticPop(SourceLocation Loc, 198 StringRef Namespace) { 199 } 200 201 /// \brief Callback invoked when a \#pragma gcc dianostic directive is read. 202 virtual void PragmaDiagnostic(SourceLocation Loc, StringRef Namespace, 203 diag::Mapping mapping, StringRef Str) { 204 } 205 206 /// \brief Called by Preprocessor::HandleMacroExpandedIdentifier when a 207 /// macro invocation is found. 208 virtual void MacroExpands(const Token &MacroNameTok, const MacroDirective *MD, 209 SourceRange Range) { 210 } 211 212 /// \brief Hook called whenever a macro definition is seen. 213 virtual void MacroDefined(const Token &MacroNameTok, 214 const MacroDirective *MD) { 215 } 216 217 /// \brief Hook called whenever a macro \#undef is seen. 218 /// 219 /// MD is released immediately following this callback. 220 virtual void MacroUndefined(const Token &MacroNameTok, 221 const MacroDirective *MD) { 222 } 223 224 /// \brief Hook called whenever the 'defined' operator is seen. 225 /// \param MD The MacroDirective if the name was a macro, null otherwise. 226 virtual void Defined(const Token &MacroNameTok, const MacroDirective *MD) { 227 } 228 229 /// \brief Hook called when a source range is skipped. 230 /// \param Range The SourceRange that was skipped. The range begins at the 231 /// \#if/\#else directive and ends after the \#endif/\#else directive. 232 virtual void SourceRangeSkipped(SourceRange Range) { 233 } 234 235 /// \brief Hook called whenever an \#if is seen. 236 /// \param Loc the source location of the directive. 237 /// \param ConditionRange The SourceRange of the expression being tested. 238 /// 239 // FIXME: better to pass in a list (or tree!) of Tokens. 240 virtual void If(SourceLocation Loc, SourceRange ConditionRange) { 241 } 242 243 /// \brief Hook called whenever an \#elif is seen. 244 /// \param Loc the source location of the directive. 245 /// \param ConditionRange The SourceRange of the expression being tested. 246 /// \param IfLoc the source location of the \#if/\#ifdef/\#ifndef directive. 247 // FIXME: better to pass in a list (or tree!) of Tokens. 248 virtual void Elif(SourceLocation Loc, SourceRange ConditionRange, 249 SourceLocation IfLoc) { 250 } 251 252 /// \brief Hook called whenever an \#ifdef is seen. 253 /// \param Loc the source location of the directive. 254 /// \param MacroNameTok Information on the token being tested. 255 /// \param MD The MacroDirective if the name was a macro, null otherwise. 256 virtual void Ifdef(SourceLocation Loc, const Token &MacroNameTok, 257 const MacroDirective *MD) { 258 } 259 260 /// \brief Hook called whenever an \#ifndef is seen. 261 /// \param Loc the source location of the directive. 262 /// \param MacroNameTok Information on the token being tested. 263 /// \param MD The MacroDirective if the name was a macro, null otherwise. 264 virtual void Ifndef(SourceLocation Loc, const Token &MacroNameTok, 265 const MacroDirective *MD) { 266 } 267 268 /// \brief Hook called whenever an \#else is seen. 269 /// \param Loc the source location of the directive. 270 /// \param IfLoc the source location of the \#if/\#ifdef/\#ifndef directive. 271 virtual void Else(SourceLocation Loc, SourceLocation IfLoc) { 272 } 273 274 /// \brief Hook called whenever an \#endif is seen. 275 /// \param Loc the source location of the directive. 276 /// \param IfLoc the source location of the \#if/\#ifdef/\#ifndef directive. 277 virtual void Endif(SourceLocation Loc, SourceLocation IfLoc) { 278 } 279}; 280 281/// \brief Simple wrapper class for chaining callbacks. 282class PPChainedCallbacks : public PPCallbacks { 283 virtual void anchor(); 284 PPCallbacks *First, *Second; 285 286public: 287 PPChainedCallbacks(PPCallbacks *_First, PPCallbacks *_Second) 288 : First(_First), Second(_Second) {} 289 ~PPChainedCallbacks() { 290 delete Second; 291 delete First; 292 } 293 294 virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason, 295 SrcMgr::CharacteristicKind FileType, 296 FileID PrevFID) { 297 First->FileChanged(Loc, Reason, FileType, PrevFID); 298 Second->FileChanged(Loc, Reason, FileType, PrevFID); 299 } 300 301 virtual void FileSkipped(const FileEntry &ParentFile, 302 const Token &FilenameTok, 303 SrcMgr::CharacteristicKind FileType) { 304 First->FileSkipped(ParentFile, FilenameTok, FileType); 305 Second->FileSkipped(ParentFile, FilenameTok, FileType); 306 } 307 308 virtual bool FileNotFound(StringRef FileName, 309 SmallVectorImpl<char> &RecoveryPath) { 310 return First->FileNotFound(FileName, RecoveryPath) || 311 Second->FileNotFound(FileName, RecoveryPath); 312 } 313 314 virtual void InclusionDirective(SourceLocation HashLoc, 315 const Token &IncludeTok, 316 StringRef FileName, 317 bool IsAngled, 318 CharSourceRange FilenameRange, 319 const FileEntry *File, 320 StringRef SearchPath, 321 StringRef RelativePath, 322 const Module *Imported) { 323 First->InclusionDirective(HashLoc, IncludeTok, FileName, IsAngled, 324 FilenameRange, File, SearchPath, RelativePath, 325 Imported); 326 Second->InclusionDirective(HashLoc, IncludeTok, FileName, IsAngled, 327 FilenameRange, File, SearchPath, RelativePath, 328 Imported); 329 } 330 331 virtual void moduleImport(SourceLocation ImportLoc, 332 ModuleIdPath Path, 333 const Module *Imported) { 334 First->moduleImport(ImportLoc, Path, Imported); 335 Second->moduleImport(ImportLoc, Path, Imported); 336 } 337 338 virtual void EndOfMainFile() { 339 First->EndOfMainFile(); 340 Second->EndOfMainFile(); 341 } 342 343 virtual void Ident(SourceLocation Loc, const std::string &str) { 344 First->Ident(Loc, str); 345 Second->Ident(Loc, str); 346 } 347 348 virtual void PragmaComment(SourceLocation Loc, const IdentifierInfo *Kind, 349 const std::string &Str) { 350 First->PragmaComment(Loc, Kind, Str); 351 Second->PragmaComment(Loc, Kind, Str); 352 } 353 354 virtual void PragmaMessage(SourceLocation Loc, StringRef Namespace, 355 PragmaMessageKind Kind, StringRef Str) { 356 First->PragmaMessage(Loc, Namespace, Kind, Str); 357 Second->PragmaMessage(Loc, Namespace, Kind, Str); 358 } 359 360 virtual void PragmaDiagnosticPush(SourceLocation Loc, 361 StringRef Namespace) { 362 First->PragmaDiagnosticPush(Loc, Namespace); 363 Second->PragmaDiagnosticPush(Loc, Namespace); 364 } 365 366 virtual void PragmaDiagnosticPop(SourceLocation Loc, 367 StringRef Namespace) { 368 First->PragmaDiagnosticPop(Loc, Namespace); 369 Second->PragmaDiagnosticPop(Loc, Namespace); 370 } 371 372 virtual void PragmaDiagnostic(SourceLocation Loc, StringRef Namespace, 373 diag::Mapping mapping, StringRef Str) { 374 First->PragmaDiagnostic(Loc, Namespace, mapping, Str); 375 Second->PragmaDiagnostic(Loc, Namespace, mapping, Str); 376 } 377 378 virtual void MacroExpands(const Token &MacroNameTok, const MacroDirective *MD, 379 SourceRange Range) { 380 First->MacroExpands(MacroNameTok, MD, Range); 381 Second->MacroExpands(MacroNameTok, MD, Range); 382 } 383 384 virtual void MacroDefined(const Token &MacroNameTok, const MacroDirective *MD) { 385 First->MacroDefined(MacroNameTok, MD); 386 Second->MacroDefined(MacroNameTok, MD); 387 } 388 389 virtual void MacroUndefined(const Token &MacroNameTok, 390 const MacroDirective *MD) { 391 First->MacroUndefined(MacroNameTok, MD); 392 Second->MacroUndefined(MacroNameTok, MD); 393 } 394 395 virtual void Defined(const Token &MacroNameTok, const MacroDirective *MD) { 396 First->Defined(MacroNameTok, MD); 397 Second->Defined(MacroNameTok, MD); 398 } 399 400 virtual void SourceRangeSkipped(SourceRange Range) { 401 First->SourceRangeSkipped(Range); 402 Second->SourceRangeSkipped(Range); 403 } 404 405 /// \brief Hook called whenever an \#if is seen. 406 virtual void If(SourceLocation Loc, SourceRange ConditionRange) { 407 First->If(Loc, ConditionRange); 408 Second->If(Loc, ConditionRange); 409 } 410 411 /// \brief Hook called whenever an \#if is seen. 412 virtual void Elif(SourceLocation Loc, SourceRange ConditionRange, 413 SourceLocation IfLoc) { 414 First->Elif(Loc, ConditionRange, IfLoc); 415 Second->Elif(Loc, ConditionRange, IfLoc); 416 } 417 418 /// \brief Hook called whenever an \#ifdef is seen. 419 virtual void Ifdef(SourceLocation Loc, const Token &MacroNameTok, 420 const MacroDirective *MD) { 421 First->Ifdef(Loc, MacroNameTok, MD); 422 Second->Ifdef(Loc, MacroNameTok, MD); 423 } 424 425 /// \brief Hook called whenever an \#ifndef is seen. 426 virtual void Ifndef(SourceLocation Loc, const Token &MacroNameTok, 427 const MacroDirective *MD) { 428 First->Ifndef(Loc, MacroNameTok, MD); 429 Second->Ifndef(Loc, MacroNameTok, MD); 430 } 431 432 /// \brief Hook called whenever an \#else is seen. 433 virtual void Else(SourceLocation Loc, SourceLocation IfLoc) { 434 First->Else(Loc, IfLoc); 435 Second->Else(Loc, IfLoc); 436 } 437 438 /// \brief Hook called whenever an \#endif is seen. 439 virtual void Endif(SourceLocation Loc, SourceLocation IfLoc) { 440 First->Endif(Loc, IfLoc); 441 Second->Endif(Loc, IfLoc); 442 } 443}; 444 445} // end namespace clang 446 447#endif 448