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| 14 | #ifndef LLVM_CLANG_BASIC_SOURCELOCATION_H |
| 15 | #define LLVM_CLANG_BASIC_SOURCELOCATION_H |
| 16 | |
| 17 | #include "clang/Basic/LLVM.h" |
| 18 | #include "llvm/ADT/StringRef.h" |
| 19 | #include "llvm/Support/PointerLikeTypeTraits.h" |
| 20 | #include <cassert> |
| 21 | #include <cstdint> |
| 22 | #include <string> |
| 23 | #include <utility> |
| 24 | |
| 25 | namespace llvm { |
| 26 | |
| 27 | template <typename T> struct DenseMapInfo; |
| 28 | |
| 29 | } |
| 30 | |
| 31 | namespace clang { |
| 32 | |
| 33 | class SourceManager; |
| 34 | |
| 35 | |
| 36 | |
| 37 | |
| 38 | class FileID { |
| 39 | |
| 40 | |
| 41 | int ID = 0; |
| 42 | |
| 43 | public: |
| 44 | bool isValid() const { return ID != 0; } |
| 45 | bool isInvalid() const { return ID == 0; } |
| 46 | |
| 47 | bool operator==(const FileID &RHS) const { return ID == RHS.ID; } |
| 48 | bool operator<(const FileID &RHS) const { return ID < RHS.ID; } |
| 49 | bool operator<=(const FileID &RHS) const { return ID <= RHS.ID; } |
| 50 | bool operator!=(const FileID &RHS) const { return !(*this == RHS); } |
| 51 | bool operator>(const FileID &RHS) const { return RHS < *this; } |
| 52 | bool operator>=(const FileID &RHS) const { return RHS <= *this; } |
| 53 | |
| 54 | static FileID getSentinel() { return get(-1); } |
| 55 | unsigned getHashValue() const { return static_cast<unsigned>(ID); } |
| 56 | |
| 57 | private: |
| 58 | friend class ASTWriter; |
| 59 | friend class ASTReader; |
| 60 | friend class SourceManager; |
| 61 | |
| 62 | static FileID get(int V) { |
| 63 | FileID F; |
| 64 | F.ID = V; |
| 65 | return F; |
| 66 | } |
| 67 | |
| 68 | int getOpaqueValue() const { return ID; } |
| 69 | }; |
| 70 | |
| 71 | |
| 72 | |
| 73 | |
| 74 | |
| 75 | |
| 76 | |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | class SourceLocation { |
| 87 | friend class ASTReader; |
| 88 | friend class ASTWriter; |
| 89 | friend class SourceManager; |
| 90 | |
| 91 | unsigned ID = 0; |
| 92 | |
| 93 | enum : unsigned { |
| 94 | MacroIDBit = 1U << 31 |
| 95 | }; |
| 96 | |
| 97 | public: |
| 98 | bool isFileID() const { return (ID & MacroIDBit) == 0; } |
| 99 | bool isMacroID() const { return (ID & MacroIDBit) != 0; } |
| 100 | |
| 101 | |
| 102 | |
| 103 | |
| 104 | |
| 105 | |
| 106 | bool isValid() const { return ID != 0; } |
| 107 | bool isInvalid() const { return ID == 0; } |
| 108 | |
| 109 | private: |
| 110 | |
| 111 | unsigned getOffset() const { |
| 112 | return ID & ~MacroIDBit; |
| 113 | } |
| 114 | |
| 115 | static SourceLocation getFileLoc(unsigned ID) { |
| 116 | (0) . __assert_fail ("(ID & MacroIDBit) == 0 && \"Ran out of source locations!\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceLocation.h", 116, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert((ID & MacroIDBit) == 0 && "Ran out of source locations!"); |
| 117 | SourceLocation L; |
| 118 | L.ID = ID; |
| 119 | return L; |
| 120 | } |
| 121 | |
| 122 | static SourceLocation getMacroLoc(unsigned ID) { |
| 123 | (0) . __assert_fail ("(ID & MacroIDBit) == 0 && \"Ran out of source locations!\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceLocation.h", 123, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert((ID & MacroIDBit) == 0 && "Ran out of source locations!"); |
| 124 | SourceLocation L; |
| 125 | L.ID = MacroIDBit | ID; |
| 126 | return L; |
| 127 | } |
| 128 | |
| 129 | public: |
| 130 | |
| 131 | |
| 132 | SourceLocation getLocWithOffset(int Offset) const { |
| 133 | (0) . __assert_fail ("((getOffset()+Offset) & MacroIDBit) == 0 && \"offset overflow\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceLocation.h", 133, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(((getOffset()+Offset) & MacroIDBit) == 0 && "offset overflow"); |
| 134 | SourceLocation L; |
| 135 | L.ID = ID+Offset; |
| 136 | return L; |
| 137 | } |
| 138 | |
| 139 | |
| 140 | |
| 141 | |
| 142 | |
| 143 | |
| 144 | unsigned getRawEncoding() const { return ID; } |
| 145 | |
| 146 | |
| 147 | |
| 148 | |
| 149 | |
| 150 | static SourceLocation getFromRawEncoding(unsigned Encoding) { |
| 151 | SourceLocation X; |
| 152 | X.ID = Encoding; |
| 153 | return X; |
| 154 | } |
| 155 | |
| 156 | |
| 157 | |
| 158 | |
| 159 | |
| 160 | |
| 161 | void* getPtrEncoding() const { |
| 162 | |
| 163 | |
| 164 | return (void*)(uintptr_t)getRawEncoding(); |
| 165 | } |
| 166 | |
| 167 | |
| 168 | |
| 169 | static SourceLocation getFromPtrEncoding(const void *Encoding) { |
| 170 | return getFromRawEncoding((unsigned)(uintptr_t)Encoding); |
| 171 | } |
| 172 | |
| 173 | static bool isPairOfFileLocations(SourceLocation Start, SourceLocation End) { |
| 174 | return Start.isValid() && Start.isFileID() && End.isValid() && |
| 175 | End.isFileID(); |
| 176 | } |
| 177 | |
| 178 | void print(raw_ostream &OS, const SourceManager &SM) const; |
| 179 | std::string printToString(const SourceManager &SM) const; |
| 180 | void dump(const SourceManager &SM) const; |
| 181 | }; |
| 182 | |
| 183 | inline bool operator==(const SourceLocation &LHS, const SourceLocation &RHS) { |
| 184 | return LHS.getRawEncoding() == RHS.getRawEncoding(); |
| 185 | } |
| 186 | |
| 187 | inline bool operator!=(const SourceLocation &LHS, const SourceLocation &RHS) { |
| 188 | return !(LHS == RHS); |
| 189 | } |
| 190 | |
| 191 | inline bool operator<(const SourceLocation &LHS, const SourceLocation &RHS) { |
| 192 | return LHS.getRawEncoding() < RHS.getRawEncoding(); |
| 193 | } |
| 194 | |
| 195 | |
| 196 | class SourceRange { |
| 197 | SourceLocation B; |
| 198 | SourceLocation E; |
| 199 | |
| 200 | public: |
| 201 | SourceRange() = default; |
| 202 | SourceRange(SourceLocation loc) : B(loc), E(loc) {} |
| 203 | SourceRange(SourceLocation begin, SourceLocation end) : B(begin), E(end) {} |
| 204 | |
| 205 | SourceLocation getBegin() const { return B; } |
| 206 | SourceLocation getEnd() const { return E; } |
| 207 | |
| 208 | void setBegin(SourceLocation b) { B = b; } |
| 209 | void setEnd(SourceLocation e) { E = e; } |
| 210 | |
| 211 | bool isValid() const { return B.isValid() && E.isValid(); } |
| 212 | bool isInvalid() const { return !isValid(); } |
| 213 | |
| 214 | bool operator==(const SourceRange &X) const { |
| 215 | return B == X.B && E == X.E; |
| 216 | } |
| 217 | |
| 218 | bool operator!=(const SourceRange &X) const { |
| 219 | return B != X.B || E != X.E; |
| 220 | } |
| 221 | |
| 222 | void print(raw_ostream &OS, const SourceManager &SM) const; |
| 223 | std::string printToString(const SourceManager &SM) const; |
| 224 | void dump(const SourceManager &SM) const; |
| 225 | }; |
| 226 | |
| 227 | |
| 228 | |
| 229 | |
| 230 | |
| 231 | |
| 232 | |
| 233 | |
| 234 | class CharSourceRange { |
| 235 | SourceRange Range; |
| 236 | bool IsTokenRange = false; |
| 237 | |
| 238 | public: |
| 239 | CharSourceRange() = default; |
| 240 | CharSourceRange(SourceRange R, bool ITR) : Range(R), IsTokenRange(ITR) {} |
| 241 | |
| 242 | static CharSourceRange getTokenRange(SourceRange R) { |
| 243 | return CharSourceRange(R, true); |
| 244 | } |
| 245 | |
| 246 | static CharSourceRange getCharRange(SourceRange R) { |
| 247 | return CharSourceRange(R, false); |
| 248 | } |
| 249 | |
| 250 | static CharSourceRange getTokenRange(SourceLocation B, SourceLocation E) { |
| 251 | return getTokenRange(SourceRange(B, E)); |
| 252 | } |
| 253 | |
| 254 | static CharSourceRange getCharRange(SourceLocation B, SourceLocation E) { |
| 255 | return getCharRange(SourceRange(B, E)); |
| 256 | } |
| 257 | |
| 258 | |
| 259 | |
| 260 | |
| 261 | bool isTokenRange() const { return IsTokenRange; } |
| 262 | bool isCharRange() const { return !IsTokenRange; } |
| 263 | |
| 264 | SourceLocation getBegin() const { return Range.getBegin(); } |
| 265 | SourceLocation getEnd() const { return Range.getEnd(); } |
| 266 | SourceRange getAsRange() const { return Range; } |
| 267 | |
| 268 | void setBegin(SourceLocation b) { Range.setBegin(b); } |
| 269 | void setEnd(SourceLocation e) { Range.setEnd(e); } |
| 270 | void setTokenRange(bool TR) { IsTokenRange = TR; } |
| 271 | |
| 272 | bool isValid() const { return Range.isValid(); } |
| 273 | bool isInvalid() const { return !isValid(); } |
| 274 | }; |
| 275 | |
| 276 | |
| 277 | |
| 278 | |
| 279 | |
| 280 | |
| 281 | |
| 282 | |
| 283 | class PresumedLoc { |
| 284 | const char *Filename = nullptr; |
| 285 | unsigned Line, Col; |
| 286 | SourceLocation IncludeLoc; |
| 287 | |
| 288 | public: |
| 289 | PresumedLoc() = default; |
| 290 | PresumedLoc(const char *FN, unsigned Ln, unsigned Co, SourceLocation IL) |
| 291 | : Filename(FN), Line(Ln), Col(Co), IncludeLoc(IL) {} |
| 292 | |
| 293 | |
| 294 | |
| 295 | |
| 296 | |
| 297 | bool isInvalid() const { return Filename == nullptr; } |
| 298 | bool isValid() const { return Filename != nullptr; } |
| 299 | |
| 300 | |
| 301 | |
| 302 | |
| 303 | const char *getFilename() const { |
| 304 | assert(isValid()); |
| 305 | return Filename; |
| 306 | } |
| 307 | |
| 308 | |
| 309 | |
| 310 | |
| 311 | unsigned getLine() const { |
| 312 | assert(isValid()); |
| 313 | return Line; |
| 314 | } |
| 315 | |
| 316 | |
| 317 | |
| 318 | |
| 319 | unsigned getColumn() const { |
| 320 | assert(isValid()); |
| 321 | return Col; |
| 322 | } |
| 323 | |
| 324 | |
| 325 | |
| 326 | |
| 327 | SourceLocation getIncludeLoc() const { |
| 328 | assert(isValid()); |
| 329 | return IncludeLoc; |
| 330 | } |
| 331 | }; |
| 332 | |
| 333 | class FileEntry; |
| 334 | |
| 335 | |
| 336 | |
| 337 | |
| 338 | class FullSourceLoc : public SourceLocation { |
| 339 | const SourceManager *SrcMgr = nullptr; |
| 340 | |
| 341 | public: |
| 342 | |
| 343 | FullSourceLoc() = default; |
| 344 | |
| 345 | explicit FullSourceLoc(SourceLocation Loc, const SourceManager &SM) |
| 346 | : SourceLocation(Loc), SrcMgr(&SM) {} |
| 347 | |
| 348 | bool hasManager() const { |
| 349 | bool hasSrcMgr = SrcMgr != nullptr; |
| 350 | (0) . __assert_fail ("hasSrcMgr == isValid() && \"FullSourceLoc has location but no manager\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceLocation.h", 350, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(hasSrcMgr == isValid() && "FullSourceLoc has location but no manager"); |
| 351 | return hasSrcMgr; |
| 352 | } |
| 353 | |
| 354 | |
| 355 | const SourceManager &getManager() const { |
| 356 | (0) . __assert_fail ("SrcMgr && \"SourceManager is NULL.\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceLocation.h", 356, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(SrcMgr && "SourceManager is NULL."); |
| 357 | return *SrcMgr; |
| 358 | } |
| 359 | |
| 360 | FileID getFileID() const; |
| 361 | |
| 362 | FullSourceLoc getExpansionLoc() const; |
| 363 | FullSourceLoc getSpellingLoc() const; |
| 364 | FullSourceLoc getFileLoc() const; |
| 365 | PresumedLoc getPresumedLoc(bool UseLineDirectives = true) const; |
| 366 | bool isMacroArgExpansion(FullSourceLoc *StartLoc = nullptr) const; |
| 367 | FullSourceLoc getImmediateMacroCallerLoc() const; |
| 368 | std::pair<FullSourceLoc, StringRef> getModuleImportLoc() const; |
| 369 | unsigned getFileOffset() const; |
| 370 | |
| 371 | unsigned getExpansionLineNumber(bool *Invalid = nullptr) const; |
| 372 | unsigned getExpansionColumnNumber(bool *Invalid = nullptr) const; |
| 373 | |
| 374 | unsigned getSpellingLineNumber(bool *Invalid = nullptr) const; |
| 375 | unsigned getSpellingColumnNumber(bool *Invalid = nullptr) const; |
| 376 | |
| 377 | const char *getCharacterData(bool *Invalid = nullptr) const; |
| 378 | |
| 379 | unsigned getLineNumber(bool *Invalid = nullptr) const; |
| 380 | unsigned getColumnNumber(bool *Invalid = nullptr) const; |
| 381 | |
| 382 | const FileEntry *getFileEntry() const; |
| 383 | |
| 384 | |
| 385 | |
| 386 | StringRef getBufferData(bool *Invalid = nullptr) const; |
| 387 | |
| 388 | |
| 389 | |
| 390 | |
| 391 | |
| 392 | std::pair<FileID, unsigned> getDecomposedLoc() const; |
| 393 | |
| 394 | bool () const; |
| 395 | |
| 396 | |
| 397 | |
| 398 | |
| 399 | bool isBeforeInTranslationUnitThan(SourceLocation Loc) const; |
| 400 | |
| 401 | |
| 402 | |
| 403 | |
| 404 | bool isBeforeInTranslationUnitThan(FullSourceLoc Loc) const { |
| 405 | assert(Loc.isValid()); |
| 406 | (0) . __assert_fail ("SrcMgr == Loc.SrcMgr && \"Loc comes from another SourceManager!\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceLocation.h", 406, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(SrcMgr == Loc.SrcMgr && "Loc comes from another SourceManager!"); |
| 407 | return isBeforeInTranslationUnitThan((SourceLocation)Loc); |
| 408 | } |
| 409 | |
| 410 | |
| 411 | struct BeforeThanCompare { |
| 412 | bool operator()(const FullSourceLoc& lhs, const FullSourceLoc& rhs) const { |
| 413 | return lhs.isBeforeInTranslationUnitThan(rhs); |
| 414 | } |
| 415 | }; |
| 416 | |
| 417 | |
| 418 | |
| 419 | |
| 420 | void dump() const; |
| 421 | |
| 422 | friend bool |
| 423 | operator==(const FullSourceLoc &LHS, const FullSourceLoc &RHS) { |
| 424 | return LHS.getRawEncoding() == RHS.getRawEncoding() && |
| 425 | LHS.SrcMgr == RHS.SrcMgr; |
| 426 | } |
| 427 | |
| 428 | friend bool |
| 429 | operator!=(const FullSourceLoc &LHS, const FullSourceLoc &RHS) { |
| 430 | return !(LHS == RHS); |
| 431 | } |
| 432 | }; |
| 433 | |
| 434 | } |
| 435 | |
| 436 | namespace llvm { |
| 437 | |
| 438 | |
| 439 | |
| 440 | template <> |
| 441 | struct DenseMapInfo<clang::FileID> { |
| 442 | static clang::FileID getEmptyKey() { |
| 443 | return {}; |
| 444 | } |
| 445 | |
| 446 | static clang::FileID getTombstoneKey() { |
| 447 | return clang::FileID::getSentinel(); |
| 448 | } |
| 449 | |
| 450 | static unsigned getHashValue(clang::FileID S) { |
| 451 | return S.getHashValue(); |
| 452 | } |
| 453 | |
| 454 | static bool isEqual(clang::FileID LHS, clang::FileID RHS) { |
| 455 | return LHS == RHS; |
| 456 | } |
| 457 | }; |
| 458 | |
| 459 | |
| 460 | template<> |
| 461 | struct PointerLikeTypeTraits<clang::SourceLocation> { |
| 462 | enum { NumLowBitsAvailable = 0 }; |
| 463 | |
| 464 | static void *getAsVoidPointer(clang::SourceLocation L) { |
| 465 | return L.getPtrEncoding(); |
| 466 | } |
| 467 | |
| 468 | static clang::SourceLocation getFromVoidPointer(void *P) { |
| 469 | return clang::SourceLocation::getFromRawEncoding((unsigned)(uintptr_t)P); |
| 470 | } |
| 471 | }; |
| 472 | |
| 473 | } |
| 474 | |
| 475 | #endif |
| 476 | |