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| 13 | #include "clang/Frontend/ASTUnit.h" |
| 14 | #include "CIndexer.h" |
| 15 | #include "CLog.h" |
| 16 | #include "CXLoadedDiagnostic.h" |
| 17 | #include "CXSourceLocation.h" |
| 18 | #include "CXString.h" |
| 19 | #include "CXTranslationUnit.h" |
| 20 | #include "llvm/Support/Compiler.h" |
| 21 | #include "llvm/Support/Format.h" |
| 22 | |
| 23 | using namespace clang; |
| 24 | using namespace clang::cxindex; |
| 25 | |
| 26 | |
| 27 | |
| 28 | |
| 29 | |
| 30 | static bool isASTUnitSourceLocation(const CXSourceLocation &L) { |
| 31 | |
| 32 | |
| 33 | return ((uintptr_t)L.ptr_data[0] & 0x1) == 0; |
| 34 | } |
| 35 | |
| 36 | |
| 37 | |
| 38 | |
| 39 | |
| 40 | CXSourceLocation clang_getNullLocation() { |
| 41 | CXSourceLocation Result = { { nullptr, nullptr }, 0 }; |
| 42 | return Result; |
| 43 | } |
| 44 | |
| 45 | unsigned clang_equalLocations(CXSourceLocation loc1, CXSourceLocation loc2) { |
| 46 | return (loc1.ptr_data[0] == loc2.ptr_data[0] && |
| 47 | loc1.ptr_data[1] == loc2.ptr_data[1] && |
| 48 | loc1.int_data == loc2.int_data); |
| 49 | } |
| 50 | |
| 51 | CXSourceRange clang_getNullRange() { |
| 52 | CXSourceRange Result = { { nullptr, nullptr }, 0, 0 }; |
| 53 | return Result; |
| 54 | } |
| 55 | |
| 56 | CXSourceRange clang_getRange(CXSourceLocation begin, CXSourceLocation end) { |
| 57 | if (!isASTUnitSourceLocation(begin)) { |
| 58 | if (isASTUnitSourceLocation(end)) |
| 59 | return clang_getNullRange(); |
| 60 | CXSourceRange Result = { { begin.ptr_data[0], end.ptr_data[0] }, 0, 0 }; |
| 61 | return Result; |
| 62 | } |
| 63 | |
| 64 | if (begin.ptr_data[0] != end.ptr_data[0] || |
| 65 | begin.ptr_data[1] != end.ptr_data[1]) |
| 66 | return clang_getNullRange(); |
| 67 | |
| 68 | CXSourceRange Result = { { begin.ptr_data[0], begin.ptr_data[1] }, |
| 69 | begin.int_data, end.int_data }; |
| 70 | |
| 71 | return Result; |
| 72 | } |
| 73 | |
| 74 | unsigned clang_equalRanges(CXSourceRange range1, CXSourceRange range2) { |
| 75 | return range1.ptr_data[0] == range2.ptr_data[0] |
| 76 | && range1.ptr_data[1] == range2.ptr_data[1] |
| 77 | && range1.begin_int_data == range2.begin_int_data |
| 78 | && range1.end_int_data == range2.end_int_data; |
| 79 | } |
| 80 | |
| 81 | int clang_Range_isNull(CXSourceRange range) { |
| 82 | return clang_equalRanges(range, clang_getNullRange()); |
| 83 | } |
| 84 | |
| 85 | |
| 86 | CXSourceLocation clang_getRangeStart(CXSourceRange range) { |
| 87 | |
| 88 | if ((uintptr_t)range.ptr_data[0] & 0x1) { |
| 89 | CXSourceLocation Result = { { range.ptr_data[0], nullptr }, 0 }; |
| 90 | return Result; |
| 91 | } |
| 92 | |
| 93 | CXSourceLocation Result = { { range.ptr_data[0], range.ptr_data[1] }, |
| 94 | range.begin_int_data }; |
| 95 | return Result; |
| 96 | } |
| 97 | |
| 98 | CXSourceLocation clang_getRangeEnd(CXSourceRange range) { |
| 99 | |
| 100 | if ((uintptr_t)range.ptr_data[0] & 0x1) { |
| 101 | CXSourceLocation Result = { { range.ptr_data[1], nullptr }, 0 }; |
| 102 | return Result; |
| 103 | } |
| 104 | |
| 105 | CXSourceLocation Result = { { range.ptr_data[0], range.ptr_data[1] }, |
| 106 | range.end_int_data }; |
| 107 | return Result; |
| 108 | } |
| 109 | |
| 110 | |
| 111 | |
| 112 | |
| 113 | |
| 114 | CXSourceLocation clang_getLocation(CXTranslationUnit TU, |
| 115 | CXFile file, |
| 116 | unsigned line, |
| 117 | unsigned column) { |
| 118 | if (cxtu::isNotUsableTU(TU)) { |
| 119 | LOG_BAD_TU(TU); |
| 120 | return clang_getNullLocation(); |
| 121 | } |
| 122 | if (!file) |
| 123 | return clang_getNullLocation(); |
| 124 | if (line == 0 || column == 0) |
| 125 | return clang_getNullLocation(); |
| 126 | |
| 127 | LogRef Log = Logger::make(__func__); |
| 128 | ASTUnit *CXXUnit = cxtu::getASTUnit(TU); |
| 129 | ASTUnit::ConcurrencyCheck Check(*CXXUnit); |
| 130 | const FileEntry *File = static_cast<const FileEntry *>(file); |
| 131 | SourceLocation SLoc = CXXUnit->getLocation(File, line, column); |
| 132 | if (SLoc.isInvalid()) { |
| 133 | if (Log) |
| 134 | *Log << llvm::format("(\"%s\", %d, %d) = invalid", |
| 135 | File->getName().str().c_str(), line, column); |
| 136 | return clang_getNullLocation(); |
| 137 | } |
| 138 | |
| 139 | CXSourceLocation CXLoc = |
| 140 | cxloc::translateSourceLocation(CXXUnit->getASTContext(), SLoc); |
| 141 | if (Log) |
| 142 | *Log << llvm::format("(\"%s\", %d, %d) = ", File->getName().str().c_str(), |
| 143 | line, column) |
| 144 | << CXLoc; |
| 145 | |
| 146 | return CXLoc; |
| 147 | } |
| 148 | |
| 149 | CXSourceLocation clang_getLocationForOffset(CXTranslationUnit TU, |
| 150 | CXFile file, |
| 151 | unsigned offset) { |
| 152 | if (cxtu::isNotUsableTU(TU)) { |
| 153 | LOG_BAD_TU(TU); |
| 154 | return clang_getNullLocation(); |
| 155 | } |
| 156 | if (!file) |
| 157 | return clang_getNullLocation(); |
| 158 | |
| 159 | ASTUnit *CXXUnit = cxtu::getASTUnit(TU); |
| 160 | |
| 161 | SourceLocation SLoc |
| 162 | = CXXUnit->getLocation(static_cast<const FileEntry *>(file), offset); |
| 163 | |
| 164 | if (SLoc.isInvalid()) |
| 165 | return clang_getNullLocation(); |
| 166 | |
| 167 | return cxloc::translateSourceLocation(CXXUnit->getASTContext(), SLoc); |
| 168 | } |
| 169 | |
| 170 | |
| 171 | |
| 172 | |
| 173 | |
| 174 | |
| 175 | static void createNullLocation(CXFile *file, unsigned *line, |
| 176 | unsigned *column, unsigned *offset) { |
| 177 | if (file) |
| 178 | *file = nullptr; |
| 179 | if (line) |
| 180 | *line = 0; |
| 181 | if (column) |
| 182 | *column = 0; |
| 183 | if (offset) |
| 184 | *offset = 0; |
| 185 | } |
| 186 | |
| 187 | static void createNullLocation(CXString *filename, unsigned *line, |
| 188 | unsigned *column, unsigned *offset = nullptr) { |
| 189 | if (filename) |
| 190 | *filename = cxstring::createEmpty(); |
| 191 | if (line) |
| 192 | *line = 0; |
| 193 | if (column) |
| 194 | *column = 0; |
| 195 | if (offset) |
| 196 | *offset = 0; |
| 197 | } |
| 198 | |
| 199 | int (CXSourceLocation location) { |
| 200 | const SourceLocation Loc = |
| 201 | SourceLocation::getFromRawEncoding(location.int_data); |
| 202 | if (Loc.isInvalid()) |
| 203 | return 0; |
| 204 | |
| 205 | const SourceManager &SM = |
| 206 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
| 207 | return SM.isInSystemHeader(Loc); |
| 208 | } |
| 209 | |
| 210 | int clang_Location_isFromMainFile(CXSourceLocation location) { |
| 211 | const SourceLocation Loc = |
| 212 | SourceLocation::getFromRawEncoding(location.int_data); |
| 213 | if (Loc.isInvalid()) |
| 214 | return 0; |
| 215 | |
| 216 | const SourceManager &SM = |
| 217 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
| 218 | return SM.isWrittenInMainFile(Loc); |
| 219 | } |
| 220 | |
| 221 | void clang_getExpansionLocation(CXSourceLocation location, |
| 222 | CXFile *file, |
| 223 | unsigned *line, |
| 224 | unsigned *column, |
| 225 | unsigned *offset) { |
| 226 | if (!isASTUnitSourceLocation(location)) { |
| 227 | CXLoadedDiagnostic::decodeLocation(location, file, line, column, offset); |
| 228 | return; |
| 229 | } |
| 230 | |
| 231 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
| 232 | |
| 233 | if (!location.ptr_data[0] || Loc.isInvalid()) { |
| 234 | createNullLocation(file, line, column, offset); |
| 235 | return; |
| 236 | } |
| 237 | |
| 238 | const SourceManager &SM = |
| 239 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
| 240 | SourceLocation ExpansionLoc = SM.getExpansionLoc(Loc); |
| 241 | |
| 242 | |
| 243 | |
| 244 | FileID fileID = SM.getFileID(ExpansionLoc); |
| 245 | bool Invalid = false; |
| 246 | const SrcMgr::SLocEntry &sloc = SM.getSLocEntry(fileID, &Invalid); |
| 247 | if (Invalid || !sloc.isFile()) { |
| 248 | createNullLocation(file, line, column, offset); |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | if (file) |
| 253 | *file = const_cast<FileEntry *>(SM.getFileEntryForSLocEntry(sloc)); |
| 254 | if (line) |
| 255 | *line = SM.getExpansionLineNumber(ExpansionLoc); |
| 256 | if (column) |
| 257 | *column = SM.getExpansionColumnNumber(ExpansionLoc); |
| 258 | if (offset) |
| 259 | *offset = SM.getDecomposedLoc(ExpansionLoc).second; |
| 260 | } |
| 261 | |
| 262 | void clang_getPresumedLocation(CXSourceLocation location, |
| 263 | CXString *filename, |
| 264 | unsigned *line, |
| 265 | unsigned *column) { |
| 266 | if (!isASTUnitSourceLocation(location)) { |
| 267 | |
| 268 | |
| 269 | createNullLocation(filename, line, column); |
| 270 | return; |
| 271 | } |
| 272 | |
| 273 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
| 274 | |
| 275 | if (!location.ptr_data[0] || Loc.isInvalid()) { |
| 276 | createNullLocation(filename, line, column); |
| 277 | return; |
| 278 | } |
| 279 | |
| 280 | const SourceManager &SM = |
| 281 | *static_cast<const SourceManager *>(location.ptr_data[0]); |
| 282 | PresumedLoc PreLoc = SM.getPresumedLoc(Loc); |
| 283 | if (PreLoc.isInvalid()) { |
| 284 | createNullLocation(filename, line, column); |
| 285 | return; |
| 286 | } |
| 287 | |
| 288 | if (filename) *filename = cxstring::createRef(PreLoc.getFilename()); |
| 289 | if (line) *line = PreLoc.getLine(); |
| 290 | if (column) *column = PreLoc.getColumn(); |
| 291 | } |
| 292 | |
| 293 | void clang_getInstantiationLocation(CXSourceLocation location, |
| 294 | CXFile *file, |
| 295 | unsigned *line, |
| 296 | unsigned *column, |
| 297 | unsigned *offset) { |
| 298 | |
| 299 | clang_getExpansionLocation(location, file, line, column, offset); |
| 300 | } |
| 301 | |
| 302 | void clang_getSpellingLocation(CXSourceLocation location, |
| 303 | CXFile *file, |
| 304 | unsigned *line, |
| 305 | unsigned *column, |
| 306 | unsigned *offset) { |
| 307 | if (!isASTUnitSourceLocation(location)) { |
| 308 | CXLoadedDiagnostic::decodeLocation(location, file, line, |
| 309 | column, offset); |
| 310 | return; |
| 311 | } |
| 312 | |
| 313 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
| 314 | |
| 315 | if (!location.ptr_data[0] || Loc.isInvalid()) |
| 316 | return createNullLocation(file, line, column, offset); |
| 317 | |
| 318 | const SourceManager &SM = |
| 319 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
| 320 | |
| 321 | SourceLocation SpellLoc = SM.getFileLoc(Loc); |
| 322 | std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(SpellLoc); |
| 323 | FileID FID = LocInfo.first; |
| 324 | unsigned FileOffset = LocInfo.second; |
| 325 | |
| 326 | if (FID.isInvalid()) |
| 327 | return createNullLocation(file, line, column, offset); |
| 328 | |
| 329 | if (file) |
| 330 | *file = const_cast<FileEntry *>(SM.getFileEntryForID(FID)); |
| 331 | if (line) |
| 332 | *line = SM.getLineNumber(FID, FileOffset); |
| 333 | if (column) |
| 334 | *column = SM.getColumnNumber(FID, FileOffset); |
| 335 | if (offset) |
| 336 | *offset = FileOffset; |
| 337 | } |
| 338 | |
| 339 | void clang_getFileLocation(CXSourceLocation location, |
| 340 | CXFile *file, |
| 341 | unsigned *line, |
| 342 | unsigned *column, |
| 343 | unsigned *offset) { |
| 344 | if (!isASTUnitSourceLocation(location)) { |
| 345 | CXLoadedDiagnostic::decodeLocation(location, file, line, |
| 346 | column, offset); |
| 347 | return; |
| 348 | } |
| 349 | |
| 350 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
| 351 | |
| 352 | if (!location.ptr_data[0] || Loc.isInvalid()) |
| 353 | return createNullLocation(file, line, column, offset); |
| 354 | |
| 355 | const SourceManager &SM = |
| 356 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
| 357 | SourceLocation FileLoc = SM.getFileLoc(Loc); |
| 358 | std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(FileLoc); |
| 359 | FileID FID = LocInfo.first; |
| 360 | unsigned FileOffset = LocInfo.second; |
| 361 | |
| 362 | if (FID.isInvalid()) |
| 363 | return createNullLocation(file, line, column, offset); |
| 364 | |
| 365 | if (file) |
| 366 | *file = const_cast<FileEntry *>(SM.getFileEntryForID(FID)); |
| 367 | if (line) |
| 368 | *line = SM.getLineNumber(FID, FileOffset); |
| 369 | if (column) |
| 370 | *column = SM.getColumnNumber(FID, FileOffset); |
| 371 | if (offset) |
| 372 | *offset = FileOffset; |
| 373 | } |
| 374 | |