Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 1 | //===- CXSourceLocation.cpp - CXSourceLocations APIs ------------*- C++ -*-===// |
| 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 | // This file defines routines for manipulating CXSourceLocations. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "clang/Frontend/ASTUnit.h" |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 15 | #include "CIndexer.h" |
Chandler Carruth | b1ba0ef | 2013-01-19 08:09:44 +0000 | [diff] [blame] | 16 | #include "CLog.h" |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 17 | #include "CXLoadedDiagnostic.h" |
Chandler Carruth | f59edb9 | 2012-12-04 09:25:21 +0000 | [diff] [blame] | 18 | #include "CXSourceLocation.h" |
| 19 | #include "CXString.h" |
| 20 | #include "CXTranslationUnit.h" |
Dmitri Gribenko | acbe4ba | 2013-01-11 02:23:13 +0000 | [diff] [blame] | 21 | #include "llvm/Support/Compiler.h" |
Argyrios Kyrtzidis | c6f5c6a | 2013-01-10 18:54:52 +0000 | [diff] [blame] | 22 | #include "llvm/Support/Format.h" |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 23 | |
| 24 | using namespace clang; |
Argyrios Kyrtzidis | c6f5c6a | 2013-01-10 18:54:52 +0000 | [diff] [blame] | 25 | using namespace clang::cxindex; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 26 | |
| 27 | //===----------------------------------------------------------------------===// |
Ted Kremenek | 51a7d5d | 2011-10-31 22:23:51 +0000 | [diff] [blame] | 28 | // Internal predicates on CXSourceLocations. |
| 29 | //===----------------------------------------------------------------------===// |
| 30 | |
| 31 | static bool isASTUnitSourceLocation(const CXSourceLocation &L) { |
| 32 | // If the lowest bit is clear then the first ptr_data entry is a SourceManager |
| 33 | // pointer, or the CXSourceLocation is a null location. |
| 34 | return ((uintptr_t)L.ptr_data[0] & 0x1) == 0; |
| 35 | } |
| 36 | |
| 37 | //===----------------------------------------------------------------------===// |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 38 | // Basic construction and comparison of CXSourceLocations and CXSourceRanges. |
| 39 | //===----------------------------------------------------------------------===// |
| 40 | |
| 41 | extern "C" { |
| 42 | |
| 43 | CXSourceLocation clang_getNullLocation() { |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 44 | CXSourceLocation Result = { { nullptr, nullptr }, 0 }; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 45 | return Result; |
| 46 | } |
| 47 | |
| 48 | unsigned clang_equalLocations(CXSourceLocation loc1, CXSourceLocation loc2) { |
| 49 | return (loc1.ptr_data[0] == loc2.ptr_data[0] && |
| 50 | loc1.ptr_data[1] == loc2.ptr_data[1] && |
| 51 | loc1.int_data == loc2.int_data); |
| 52 | } |
| 53 | |
| 54 | CXSourceRange clang_getNullRange() { |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 55 | CXSourceRange Result = { { nullptr, nullptr }, 0, 0 }; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 56 | return Result; |
| 57 | } |
| 58 | |
| 59 | CXSourceRange clang_getRange(CXSourceLocation begin, CXSourceLocation end) { |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 60 | if (!isASTUnitSourceLocation(begin)) { |
| 61 | if (isASTUnitSourceLocation(end)) |
| 62 | return clang_getNullRange(); |
| 63 | CXSourceRange Result = { { begin.ptr_data[0], end.ptr_data[0] }, 0, 0 }; |
| 64 | return Result; |
| 65 | } |
| 66 | |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 67 | if (begin.ptr_data[0] != end.ptr_data[0] || |
| 68 | begin.ptr_data[1] != end.ptr_data[1]) |
| 69 | return clang_getNullRange(); |
| 70 | |
| 71 | CXSourceRange Result = { { begin.ptr_data[0], begin.ptr_data[1] }, |
| 72 | begin.int_data, end.int_data }; |
| 73 | |
| 74 | return Result; |
| 75 | } |
| 76 | |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 77 | unsigned clang_equalRanges(CXSourceRange range1, CXSourceRange range2) { |
| 78 | return range1.ptr_data[0] == range2.ptr_data[0] |
| 79 | && range1.ptr_data[1] == range2.ptr_data[1] |
| 80 | && range1.begin_int_data == range2.begin_int_data |
| 81 | && range1.end_int_data == range2.end_int_data; |
| 82 | } |
| 83 | |
| 84 | int clang_Range_isNull(CXSourceRange range) { |
| 85 | return clang_equalRanges(range, clang_getNullRange()); |
| 86 | } |
| 87 | |
| 88 | |
| 89 | CXSourceLocation clang_getRangeStart(CXSourceRange range) { |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 90 | // Special decoding for CXSourceLocations for CXLoadedDiagnostics. |
| 91 | if ((uintptr_t)range.ptr_data[0] & 0x1) { |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 92 | CXSourceLocation Result = { { range.ptr_data[0], nullptr }, 0 }; |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 93 | return Result; |
| 94 | } |
| 95 | |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 96 | CXSourceLocation Result = { { range.ptr_data[0], range.ptr_data[1] }, |
| 97 | range.begin_int_data }; |
| 98 | return Result; |
| 99 | } |
| 100 | |
| 101 | CXSourceLocation clang_getRangeEnd(CXSourceRange range) { |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 102 | // Special decoding for CXSourceLocations for CXLoadedDiagnostics. |
| 103 | if ((uintptr_t)range.ptr_data[0] & 0x1) { |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 104 | CXSourceLocation Result = { { range.ptr_data[1], nullptr }, 0 }; |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 105 | return Result; |
| 106 | } |
| 107 | |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 108 | CXSourceLocation Result = { { range.ptr_data[0], range.ptr_data[1] }, |
| 109 | range.end_int_data }; |
| 110 | return Result; |
| 111 | } |
| 112 | |
| 113 | } // end extern "C" |
| 114 | |
| 115 | //===----------------------------------------------------------------------===// |
| 116 | // Getting CXSourceLocations and CXSourceRanges from a translation unit. |
| 117 | //===----------------------------------------------------------------------===// |
| 118 | |
| 119 | extern "C" { |
| 120 | |
Dmitri Gribenko | 5694feb | 2013-01-26 18:53:38 +0000 | [diff] [blame] | 121 | CXSourceLocation clang_getLocation(CXTranslationUnit TU, |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 122 | CXFile file, |
| 123 | unsigned line, |
| 124 | unsigned column) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 125 | if (cxtu::isNotUsableTU(TU)) { |
| 126 | LOG_BAD_TU(TU); |
| 127 | return clang_getNullLocation(); |
| 128 | } |
| 129 | if (!file) |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 130 | return clang_getNullLocation(); |
Argyrios Kyrtzidis | 8644aa9 | 2013-09-12 01:10:36 +0000 | [diff] [blame] | 131 | if (line == 0 || column == 0) |
| 132 | return clang_getNullLocation(); |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 133 | |
Dmitri Gribenko | acbe4ba | 2013-01-11 02:23:13 +0000 | [diff] [blame] | 134 | LogRef Log = Logger::make(LLVM_FUNCTION_NAME); |
Dmitri Gribenko | 5694feb | 2013-01-26 18:53:38 +0000 | [diff] [blame] | 135 | ASTUnit *CXXUnit = cxtu::getASTUnit(TU); |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 136 | ASTUnit::ConcurrencyCheck Check(*CXXUnit); |
| 137 | const FileEntry *File = static_cast<const FileEntry *>(file); |
| 138 | SourceLocation SLoc = CXXUnit->getLocation(File, line, column); |
| 139 | if (SLoc.isInvalid()) { |
Argyrios Kyrtzidis | c6f5c6a | 2013-01-10 18:54:52 +0000 | [diff] [blame] | 140 | if (Log) |
| 141 | *Log << llvm::format("(\"%s\", %d, %d) = invalid", |
| 142 | File->getName(), line, column); |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 143 | return clang_getNullLocation(); |
| 144 | } |
| 145 | |
Argyrios Kyrtzidis | c6f5c6a | 2013-01-10 18:54:52 +0000 | [diff] [blame] | 146 | CXSourceLocation CXLoc = |
| 147 | cxloc::translateSourceLocation(CXXUnit->getASTContext(), SLoc); |
| 148 | if (Log) |
| 149 | *Log << llvm::format("(\"%s\", %d, %d) = ", File->getName(), line, column) |
| 150 | << CXLoc; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 151 | |
Argyrios Kyrtzidis | c6f5c6a | 2013-01-10 18:54:52 +0000 | [diff] [blame] | 152 | return CXLoc; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 153 | } |
| 154 | |
Dmitri Gribenko | 5694feb | 2013-01-26 18:53:38 +0000 | [diff] [blame] | 155 | CXSourceLocation clang_getLocationForOffset(CXTranslationUnit TU, |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 156 | CXFile file, |
| 157 | unsigned offset) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 158 | if (cxtu::isNotUsableTU(TU)) { |
| 159 | LOG_BAD_TU(TU); |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 160 | return clang_getNullLocation(); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 161 | } |
| 162 | if (!file) |
| 163 | return clang_getNullLocation(); |
| 164 | |
Dmitri Gribenko | 5694feb | 2013-01-26 18:53:38 +0000 | [diff] [blame] | 165 | ASTUnit *CXXUnit = cxtu::getASTUnit(TU); |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 166 | |
| 167 | SourceLocation SLoc |
| 168 | = CXXUnit->getLocation(static_cast<const FileEntry *>(file), offset); |
| 169 | |
| 170 | if (SLoc.isInvalid()) |
| 171 | return clang_getNullLocation(); |
| 172 | |
| 173 | return cxloc::translateSourceLocation(CXXUnit->getASTContext(), SLoc); |
| 174 | } |
| 175 | |
| 176 | } // end extern "C" |
| 177 | |
| 178 | //===----------------------------------------------------------------------===// |
| 179 | // Routines for expanding and manipulating CXSourceLocations, regardless |
| 180 | // of their origin. |
| 181 | //===----------------------------------------------------------------------===// |
| 182 | |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 183 | static void createNullLocation(CXFile *file, unsigned *line, |
| 184 | unsigned *column, unsigned *offset) { |
| 185 | if (file) |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 186 | *file = nullptr; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 187 | if (line) |
| 188 | *line = 0; |
| 189 | if (column) |
| 190 | *column = 0; |
| 191 | if (offset) |
| 192 | *offset = 0; |
| 193 | return; |
| 194 | } |
| 195 | |
Ted Kremenek | 51a7d5d | 2011-10-31 22:23:51 +0000 | [diff] [blame] | 196 | static void createNullLocation(CXString *filename, unsigned *line, |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 197 | unsigned *column, unsigned *offset = nullptr) { |
Ted Kremenek | 51a7d5d | 2011-10-31 22:23:51 +0000 | [diff] [blame] | 198 | if (filename) |
Dmitri Gribenko | dc66adb | 2013-02-01 14:21:22 +0000 | [diff] [blame] | 199 | *filename = cxstring::createEmpty(); |
Ted Kremenek | 51a7d5d | 2011-10-31 22:23:51 +0000 | [diff] [blame] | 200 | if (line) |
| 201 | *line = 0; |
| 202 | if (column) |
| 203 | *column = 0; |
| 204 | if (offset) |
| 205 | *offset = 0; |
| 206 | return; |
| 207 | } |
| 208 | |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 209 | extern "C" { |
| 210 | |
Argyrios Kyrtzidis | 4522f63 | 2013-04-12 17:06:51 +0000 | [diff] [blame] | 211 | int clang_Location_isInSystemHeader(CXSourceLocation location) { |
| 212 | const SourceLocation Loc = |
| 213 | SourceLocation::getFromRawEncoding(location.int_data); |
| 214 | if (Loc.isInvalid()) |
| 215 | return 0; |
| 216 | |
| 217 | const SourceManager &SM = |
| 218 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
| 219 | return SM.isInSystemHeader(Loc); |
| 220 | } |
| 221 | |
Stefanus Du Toit | ad0d570 | 2013-08-08 17:48:14 +0000 | [diff] [blame] | 222 | int clang_Location_isFromMainFile(CXSourceLocation location) { |
| 223 | const SourceLocation Loc = |
| 224 | SourceLocation::getFromRawEncoding(location.int_data); |
| 225 | if (Loc.isInvalid()) |
| 226 | return 0; |
| 227 | |
| 228 | const SourceManager &SM = |
| 229 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
Eli Friedman | 2414697 | 2013-08-22 00:27:10 +0000 | [diff] [blame] | 230 | return SM.isWrittenInMainFile(Loc); |
Stefanus Du Toit | ad0d570 | 2013-08-08 17:48:14 +0000 | [diff] [blame] | 231 | } |
| 232 | |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 233 | void clang_getExpansionLocation(CXSourceLocation location, |
| 234 | CXFile *file, |
| 235 | unsigned *line, |
| 236 | unsigned *column, |
| 237 | unsigned *offset) { |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 238 | |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 239 | if (!isASTUnitSourceLocation(location)) { |
| 240 | CXLoadedDiagnostic::decodeLocation(location, file, line, column, offset); |
| 241 | return; |
| 242 | } |
| 243 | |
| 244 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
| 245 | |
| 246 | if (!location.ptr_data[0] || Loc.isInvalid()) { |
| 247 | createNullLocation(file, line, column, offset); |
| 248 | return; |
| 249 | } |
| 250 | |
| 251 | const SourceManager &SM = |
| 252 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
| 253 | SourceLocation ExpansionLoc = SM.getExpansionLoc(Loc); |
Ted Kremenek | 51a7d5d | 2011-10-31 22:23:51 +0000 | [diff] [blame] | 254 | |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 255 | // Check that the FileID is invalid on the expansion location. |
| 256 | // This can manifest in invalid code. |
| 257 | FileID fileID = SM.getFileID(ExpansionLoc); |
| 258 | bool Invalid = false; |
| 259 | const SrcMgr::SLocEntry &sloc = SM.getSLocEntry(fileID, &Invalid); |
| 260 | if (Invalid || !sloc.isFile()) { |
| 261 | createNullLocation(file, line, column, offset); |
Argyrios Kyrtzidis | b4efaa0 | 2011-11-03 02:20:36 +0000 | [diff] [blame] | 262 | return; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 263 | } |
| 264 | |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 265 | if (file) |
David Greene | 3cfa532 | 2013-01-15 22:09:49 +0000 | [diff] [blame] | 266 | *file = const_cast<FileEntry *>(SM.getFileEntryForSLocEntry(sloc)); |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 267 | if (line) |
| 268 | *line = SM.getExpansionLineNumber(ExpansionLoc); |
| 269 | if (column) |
| 270 | *column = SM.getExpansionColumnNumber(ExpansionLoc); |
| 271 | if (offset) |
| 272 | *offset = SM.getDecomposedLoc(ExpansionLoc).second; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | void clang_getPresumedLocation(CXSourceLocation location, |
| 276 | CXString *filename, |
| 277 | unsigned *line, |
| 278 | unsigned *column) { |
Evgeniy Stepanov | 2bb6dad | 2013-09-11 12:33:58 +0000 | [diff] [blame] | 279 | |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 280 | if (!isASTUnitSourceLocation(location)) { |
| 281 | // Other SourceLocation implementations do not support presumed locations |
| 282 | // at this time. |
| 283 | createNullLocation(filename, line, column); |
Ted Kremenek | 51a7d5d | 2011-10-31 22:23:51 +0000 | [diff] [blame] | 284 | return; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 285 | } |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 286 | |
| 287 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
| 288 | |
Evgeniy Stepanov | 2bb6dad | 2013-09-11 12:33:58 +0000 | [diff] [blame] | 289 | if (!location.ptr_data[0] || Loc.isInvalid()) { |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 290 | createNullLocation(filename, line, column); |
Evgeniy Stepanov | 2bb6dad | 2013-09-11 12:33:58 +0000 | [diff] [blame] | 291 | return; |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 292 | } |
Evgeniy Stepanov | 2bb6dad | 2013-09-11 12:33:58 +0000 | [diff] [blame] | 293 | |
| 294 | const SourceManager &SM = |
| 295 | *static_cast<const SourceManager *>(location.ptr_data[0]); |
| 296 | PresumedLoc PreLoc = SM.getPresumedLoc(Loc); |
| 297 | if (PreLoc.isInvalid()) { |
| 298 | createNullLocation(filename, line, column); |
| 299 | return; |
| 300 | } |
| 301 | |
| 302 | if (filename) *filename = cxstring::createRef(PreLoc.getFilename()); |
| 303 | if (line) *line = PreLoc.getLine(); |
| 304 | if (column) *column = PreLoc.getColumn(); |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | void clang_getInstantiationLocation(CXSourceLocation location, |
| 308 | CXFile *file, |
| 309 | unsigned *line, |
| 310 | unsigned *column, |
| 311 | unsigned *offset) { |
| 312 | // Redirect to new API. |
| 313 | clang_getExpansionLocation(location, file, line, column, offset); |
| 314 | } |
| 315 | |
| 316 | void clang_getSpellingLocation(CXSourceLocation location, |
| 317 | CXFile *file, |
| 318 | unsigned *line, |
| 319 | unsigned *column, |
| 320 | unsigned *offset) { |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 321 | |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 322 | if (!isASTUnitSourceLocation(location)) { |
| 323 | CXLoadedDiagnostic::decodeLocation(location, file, line, |
| 324 | column, offset); |
Ted Kremenek | 51a7d5d | 2011-10-31 22:23:51 +0000 | [diff] [blame] | 325 | return; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 326 | } |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 327 | |
| 328 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
| 329 | |
| 330 | if (!location.ptr_data[0] || Loc.isInvalid()) |
| 331 | return createNullLocation(file, line, column, offset); |
| 332 | |
| 333 | const SourceManager &SM = |
| 334 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
Argyrios Kyrtzidis | 2d5c133 | 2013-01-04 18:30:13 +0000 | [diff] [blame] | 335 | // FIXME: This should call SourceManager::getSpellingLoc(). |
Ted Kremenek | 6ee225c | 2012-12-19 01:16:49 +0000 | [diff] [blame] | 336 | SourceLocation SpellLoc = SM.getFileLoc(Loc); |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 337 | std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(SpellLoc); |
| 338 | FileID FID = LocInfo.first; |
| 339 | unsigned FileOffset = LocInfo.second; |
| 340 | |
| 341 | if (FID.isInvalid()) |
| 342 | return createNullLocation(file, line, column, offset); |
| 343 | |
| 344 | if (file) |
David Greene | 3cfa532 | 2013-01-15 22:09:49 +0000 | [diff] [blame] | 345 | *file = const_cast<FileEntry *>(SM.getFileEntryForID(FID)); |
Ted Kremenek | 1532217 | 2011-11-10 08:43:12 +0000 | [diff] [blame] | 346 | if (line) |
| 347 | *line = SM.getLineNumber(FID, FileOffset); |
| 348 | if (column) |
| 349 | *column = SM.getColumnNumber(FID, FileOffset); |
| 350 | if (offset) |
| 351 | *offset = FileOffset; |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 352 | } |
| 353 | |
Argyrios Kyrtzidis | 2d5c133 | 2013-01-04 18:30:13 +0000 | [diff] [blame] | 354 | void clang_getFileLocation(CXSourceLocation location, |
| 355 | CXFile *file, |
| 356 | unsigned *line, |
| 357 | unsigned *column, |
| 358 | unsigned *offset) { |
Ted Kremenek | 3ddef06 | 2011-10-31 22:05:42 +0000 | [diff] [blame] | 359 | |
Argyrios Kyrtzidis | 2d5c133 | 2013-01-04 18:30:13 +0000 | [diff] [blame] | 360 | if (!isASTUnitSourceLocation(location)) { |
| 361 | CXLoadedDiagnostic::decodeLocation(location, file, line, |
| 362 | column, offset); |
| 363 | return; |
| 364 | } |
| 365 | |
| 366 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
| 367 | |
| 368 | if (!location.ptr_data[0] || Loc.isInvalid()) |
| 369 | return createNullLocation(file, line, column, offset); |
| 370 | |
| 371 | const SourceManager &SM = |
| 372 | *static_cast<const SourceManager*>(location.ptr_data[0]); |
| 373 | SourceLocation FileLoc = SM.getFileLoc(Loc); |
| 374 | std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(FileLoc); |
| 375 | FileID FID = LocInfo.first; |
| 376 | unsigned FileOffset = LocInfo.second; |
| 377 | |
| 378 | if (FID.isInvalid()) |
| 379 | return createNullLocation(file, line, column, offset); |
| 380 | |
| 381 | if (file) |
Dmitri Gribenko | e4ea879 | 2013-01-23 15:56:07 +0000 | [diff] [blame] | 382 | *file = const_cast<FileEntry *>(SM.getFileEntryForID(FID)); |
Argyrios Kyrtzidis | 2d5c133 | 2013-01-04 18:30:13 +0000 | [diff] [blame] | 383 | if (line) |
| 384 | *line = SM.getLineNumber(FID, FileOffset); |
| 385 | if (column) |
| 386 | *column = SM.getColumnNumber(FID, FileOffset); |
| 387 | if (offset) |
| 388 | *offset = FileOffset; |
| 389 | } |
| 390 | |
| 391 | } // end extern "C" |