1 //===--- InitPreprocessor.cpp - PP initialization code. ---------*- 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 implements the clang::InitializePreprocessor function. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "clang/Frontend/InitPreprocessor.h" 15 #include "clang/Basic/TargetInfo.h" 16 #include "clang/Lex/Preprocessor.h" 17 #include "llvm/ADT/StringExtras.h" 18 #include "llvm/ADT/STLExtras.h" 19 #include "llvm/System/Path.h" 20 using namespace clang; 21 22 // Append a #define line to Buf for Macro. Macro should be of the form XXX, 23 // in which case we emit "#define XXX 1" or "XXX=Y z W" in which case we emit 24 // "#define XXX Y z W". To get a #define with no value, use "XXX=". 25 static void DefineBuiltinMacro(std::vector<char> &Buf, const char *Macro) { 26 const char *Command = "#define "; 27 Buf.insert(Buf.end(), Command, Command+strlen(Command)); 28 if (const char *Equal = strchr(Macro, '=')) { 29 // Turn the = into ' '. 30 Buf.insert(Buf.end(), Macro, Equal); 31 Buf.push_back(' '); 32 33 // Per GCC -D semantics, the macro ends at \n if it exists. 34 const char *End = strpbrk(Equal, "\n\r"); 35 if (End) { 36 fprintf(stderr, "warning: macro '%s' contains embedded newline, text " 37 "after the newline is ignored.\n", 38 std::string(Macro, Equal).c_str()); 39 } else { 40 End = Equal+strlen(Equal); 41 } 42 43 Buf.insert(Buf.end(), Equal+1, End); 44 } else { 45 // Push "macroname 1". 46 Buf.insert(Buf.end(), Macro, Macro+strlen(Macro)); 47 Buf.push_back(' '); 48 Buf.push_back('1'); 49 } 50 Buf.push_back('\n'); 51 } 52 53 // Append a #undef line to Buf for Macro. Macro should be of the form XXX 54 // and we emit "#undef XXX". 55 static void UndefineBuiltinMacro(std::vector<char> &Buf, const char *Macro) { 56 // Push "macroname". 57 const char *Command = "#undef "; 58 Buf.insert(Buf.end(), Command, Command+strlen(Command)); 59 Buf.insert(Buf.end(), Macro, Macro+strlen(Macro)); 60 Buf.push_back('\n'); 61 } 62 63 /// Add the quoted name of an implicit include file. 64 static void AddQuotedIncludePath(std::vector<char> &Buf, 65 const std::string &File) { 66 // Implicit include paths should be resolved relative to the current 67 // working directory first, and then use the regular header search 68 // mechanism. The proper way to handle this is to have the 69 // predefines buffer located at the current working directory, but 70 // it has not file entry. For now, workaround this by using an 71 // absolute path if we find the file here, and otherwise letting 72 // header search handle it. 73 llvm::sys::Path Path(File); 74 Path.makeAbsolute(); 75 if (!Path.exists()) 76 Path = File; 77 78 // Escape double quotes etc. 79 Buf.push_back('"'); 80 std::string EscapedFile = Lexer::Stringify(Path.str()); 81 Buf.insert(Buf.end(), EscapedFile.begin(), EscapedFile.end()); 82 Buf.push_back('"'); 83 } 84 85 /// AddImplicitInclude - Add an implicit #include of the specified file to the 86 /// predefines buffer. 87 static void AddImplicitInclude(std::vector<char> &Buf, 88 const std::string &File) { 89 const char *Inc = "#include "; 90 Buf.insert(Buf.end(), Inc, Inc+strlen(Inc)); 91 AddQuotedIncludePath(Buf, File); 92 Buf.push_back('\n'); 93 } 94 95 static void AddImplicitIncludeMacros(std::vector<char> &Buf, 96 const std::string &File) { 97 const char *Inc = "#__include_macros "; 98 Buf.insert(Buf.end(), Inc, Inc+strlen(Inc)); 99 AddQuotedIncludePath(Buf, File); 100 Buf.push_back('\n'); 101 // Marker token to stop the __include_macros fetch loop. 102 const char *Marker = "##\n"; // ##? 103 Buf.insert(Buf.end(), Marker, Marker+strlen(Marker)); 104 } 105 106 /// AddImplicitIncludePTH - Add an implicit #include using the original file 107 /// used to generate a PTH cache. 108 static void AddImplicitIncludePTH(std::vector<char> &Buf, Preprocessor &PP, 109 const std::string& ImplicitIncludePTH) { 110 PTHManager *P = PP.getPTHManager(); 111 assert(P && "No PTHManager."); 112 const char *OriginalFile = P->getOriginalSourceFile(); 113 114 if (!OriginalFile) { 115 assert(!ImplicitIncludePTH.empty()); 116 fprintf(stderr, "error: PTH file '%s' does not designate an original " 117 "source header file for -include-pth\n", 118 ImplicitIncludePTH.c_str()); 119 exit (1); 120 } 121 122 AddImplicitInclude(Buf, OriginalFile); 123 } 124 125 /// PickFP - This is used to pick a value based on the FP semantics of the 126 /// specified FP model. 127 template <typename T> 128 static T PickFP(const llvm::fltSemantics *Sem, T IEEESingleVal, 129 T IEEEDoubleVal, T X87DoubleExtendedVal, T PPCDoubleDoubleVal, 130 T IEEEQuadVal) { 131 if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::IEEEsingle) 132 return IEEESingleVal; 133 if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::IEEEdouble) 134 return IEEEDoubleVal; 135 if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::x87DoubleExtended) 136 return X87DoubleExtendedVal; 137 if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::PPCDoubleDouble) 138 return PPCDoubleDoubleVal; 139 assert(Sem == (const llvm::fltSemantics*)&llvm::APFloat::IEEEquad); 140 return IEEEQuadVal; 141 } 142 143 static void DefineFloatMacros(std::vector<char> &Buf, const char *Prefix, 144 const llvm::fltSemantics *Sem) { 145 const char *DenormMin, *Epsilon, *Max, *Min; 146 DenormMin = PickFP(Sem, "1.40129846e-45F", "4.9406564584124654e-324", 147 "3.64519953188247460253e-4951L", 148 "4.94065645841246544176568792868221e-324L", 149 "6.47517511943802511092443895822764655e-4966L"); 150 int Digits = PickFP(Sem, 6, 15, 18, 31, 33); 151 Epsilon = PickFP(Sem, "1.19209290e-7F", "2.2204460492503131e-16", 152 "1.08420217248550443401e-19L", 153 "4.94065645841246544176568792868221e-324L", 154 "1.92592994438723585305597794258492732e-34L"); 155 int HasInifinity = 1, HasQuietNaN = 1; 156 int MantissaDigits = PickFP(Sem, 24, 53, 64, 106, 113); 157 int Min10Exp = PickFP(Sem, -37, -307, -4931, -291, -4931); 158 int Max10Exp = PickFP(Sem, 38, 308, 4932, 308, 4932); 159 int MinExp = PickFP(Sem, -125, -1021, -16381, -968, -16381); 160 int MaxExp = PickFP(Sem, 128, 1024, 16384, 1024, 16384); 161 Min = PickFP(Sem, "1.17549435e-38F", "2.2250738585072014e-308", 162 "3.36210314311209350626e-4932L", 163 "2.00416836000897277799610805135016e-292L", 164 "3.36210314311209350626267781732175260e-4932L"); 165 Max = PickFP(Sem, "3.40282347e+38F", "1.7976931348623157e+308", 166 "1.18973149535723176502e+4932L", 167 "1.79769313486231580793728971405301e+308L", 168 "1.18973149535723176508575932662800702e+4932L"); 169 170 char MacroBuf[100]; 171 sprintf(MacroBuf, "__%s_DENORM_MIN__=%s", Prefix, DenormMin); 172 DefineBuiltinMacro(Buf, MacroBuf); 173 sprintf(MacroBuf, "__%s_DIG__=%d", Prefix, Digits); 174 DefineBuiltinMacro(Buf, MacroBuf); 175 sprintf(MacroBuf, "__%s_EPSILON__=%s", Prefix, Epsilon); 176 DefineBuiltinMacro(Buf, MacroBuf); 177 sprintf(MacroBuf, "__%s_HAS_INFINITY__=%d", Prefix, HasInifinity); 178 DefineBuiltinMacro(Buf, MacroBuf); 179 sprintf(MacroBuf, "__%s_HAS_QUIET_NAN__=%d", Prefix, HasQuietNaN); 180 DefineBuiltinMacro(Buf, MacroBuf); 181 sprintf(MacroBuf, "__%s_MANT_DIG__=%d", Prefix, MantissaDigits); 182 DefineBuiltinMacro(Buf, MacroBuf); 183 sprintf(MacroBuf, "__%s_MAX_10_EXP__=%d", Prefix, Max10Exp); 184 DefineBuiltinMacro(Buf, MacroBuf); 185 sprintf(MacroBuf, "__%s_MAX_EXP__=%d", Prefix, MaxExp); 186 DefineBuiltinMacro(Buf, MacroBuf); 187 sprintf(MacroBuf, "__%s_MAX__=%s", Prefix, Max); 188 DefineBuiltinMacro(Buf, MacroBuf); 189 sprintf(MacroBuf, "__%s_MIN_10_EXP__=(%d)", Prefix, Min10Exp); 190 DefineBuiltinMacro(Buf, MacroBuf); 191 sprintf(MacroBuf, "__%s_MIN_EXP__=(%d)", Prefix, MinExp); 192 DefineBuiltinMacro(Buf, MacroBuf); 193 sprintf(MacroBuf, "__%s_MIN__=%s", Prefix, Min); 194 DefineBuiltinMacro(Buf, MacroBuf); 195 sprintf(MacroBuf, "__%s_HAS_DENORM__=1", Prefix); 196 DefineBuiltinMacro(Buf, MacroBuf); 197 } 198 199 200 /// DefineTypeSize - Emit a macro to the predefines buffer that declares a macro 201 /// named MacroName with the max value for a type with width 'TypeWidth' a 202 /// signedness of 'isSigned' and with a value suffix of 'ValSuffix' (e.g. LL). 203 static void DefineTypeSize(const char *MacroName, unsigned TypeWidth, 204 const char *ValSuffix, bool isSigned, 205 std::vector<char> &Buf) { 206 char MacroBuf[60]; 207 long long MaxVal; 208 if (isSigned) 209 MaxVal = (1LL << (TypeWidth - 1)) - 1; 210 else 211 MaxVal = ~0LL >> (64-TypeWidth); 212 213 // FIXME: Switch to using raw_ostream and avoid utostr(). 214 sprintf(MacroBuf, "%s=%s%s", MacroName, llvm::utostr(MaxVal).c_str(), 215 ValSuffix); 216 DefineBuiltinMacro(Buf, MacroBuf); 217 } 218 219 static void DefineType(const char *MacroName, TargetInfo::IntType Ty, 220 std::vector<char> &Buf) { 221 char MacroBuf[60]; 222 sprintf(MacroBuf, "%s=%s", MacroName, TargetInfo::getTypeName(Ty)); 223 DefineBuiltinMacro(Buf, MacroBuf); 224 } 225 226 227 static void InitializePredefinedMacros(const TargetInfo &TI, 228 const LangOptions &LangOpts, 229 std::vector<char> &Buf) { 230 char MacroBuf[60]; 231 // Compiler version introspection macros. 232 DefineBuiltinMacro(Buf, "__llvm__=1"); // LLVM Backend 233 DefineBuiltinMacro(Buf, "__clang__=1"); // Clang Frontend 234 235 // Currently claim to be compatible with GCC 4.2.1-5621. 236 DefineBuiltinMacro(Buf, "__GNUC_MINOR__=2"); 237 DefineBuiltinMacro(Buf, "__GNUC_PATCHLEVEL__=1"); 238 DefineBuiltinMacro(Buf, "__GNUC__=4"); 239 DefineBuiltinMacro(Buf, "__GXX_ABI_VERSION=1002"); 240 DefineBuiltinMacro(Buf, "__VERSION__=\"4.2.1 Compatible Clang Compiler\""); 241 242 243 // Initialize language-specific preprocessor defines. 244 245 // These should all be defined in the preprocessor according to the 246 // current language configuration. 247 if (!LangOpts.Microsoft) 248 DefineBuiltinMacro(Buf, "__STDC__=1"); 249 if (LangOpts.AsmPreprocessor) 250 DefineBuiltinMacro(Buf, "__ASSEMBLER__=1"); 251 252 if (!LangOpts.CPlusPlus) { 253 if (LangOpts.C99) 254 DefineBuiltinMacro(Buf, "__STDC_VERSION__=199901L"); 255 else if (!LangOpts.GNUMode && LangOpts.Digraphs) 256 DefineBuiltinMacro(Buf, "__STDC_VERSION__=199409L"); 257 } 258 259 // Standard conforming mode? 260 if (!LangOpts.GNUMode) 261 DefineBuiltinMacro(Buf, "__STRICT_ANSI__=1"); 262 263 if (LangOpts.CPlusPlus0x) 264 DefineBuiltinMacro(Buf, "__GXX_EXPERIMENTAL_CXX0X__"); 265 266 if (LangOpts.Freestanding) 267 DefineBuiltinMacro(Buf, "__STDC_HOSTED__=0"); 268 else 269 DefineBuiltinMacro(Buf, "__STDC_HOSTED__=1"); 270 271 if (LangOpts.ObjC1) { 272 DefineBuiltinMacro(Buf, "__OBJC__=1"); 273 if (LangOpts.ObjCNonFragileABI) { 274 DefineBuiltinMacro(Buf, "__OBJC2__=1"); 275 DefineBuiltinMacro(Buf, "OBJC_ZEROCOST_EXCEPTIONS=1"); 276 } 277 278 if (LangOpts.getGCMode() != LangOptions::NonGC) 279 DefineBuiltinMacro(Buf, "__OBJC_GC__=1"); 280 281 if (LangOpts.NeXTRuntime) 282 DefineBuiltinMacro(Buf, "__NEXT_RUNTIME__=1"); 283 } 284 285 // darwin_constant_cfstrings controls this. This is also dependent 286 // on other things like the runtime I believe. This is set even for C code. 287 DefineBuiltinMacro(Buf, "__CONSTANT_CFSTRINGS__=1"); 288 289 if (LangOpts.ObjC2) 290 DefineBuiltinMacro(Buf, "OBJC_NEW_PROPERTIES"); 291 292 if (LangOpts.PascalStrings) 293 DefineBuiltinMacro(Buf, "__PASCAL_STRINGS__"); 294 295 if (LangOpts.Blocks) { 296 DefineBuiltinMacro(Buf, "__block=__attribute__((__blocks__(byref)))"); 297 DefineBuiltinMacro(Buf, "__BLOCKS__=1"); 298 } 299 300 if (LangOpts.Exceptions) 301 DefineBuiltinMacro(Buf, "__EXCEPTIONS=1"); 302 303 if (LangOpts.CPlusPlus) { 304 DefineBuiltinMacro(Buf, "__DEPRECATED=1"); 305 DefineBuiltinMacro(Buf, "__GNUG__=4"); 306 DefineBuiltinMacro(Buf, "__GXX_WEAK__=1"); 307 if (LangOpts.GNUMode) 308 DefineBuiltinMacro(Buf, "__cplusplus=1"); 309 else 310 // C++ [cpp.predefined]p1: 311 // The name_ _cplusplusis defined to the value199711Lwhen compiling a 312 // C++ translation unit. 313 DefineBuiltinMacro(Buf, "__cplusplus=199711L"); 314 DefineBuiltinMacro(Buf, "__private_extern__=extern"); 315 // Ugly hack to work with GNU libstdc++. 316 DefineBuiltinMacro(Buf, "_GNU_SOURCE=1"); 317 } 318 319 if (LangOpts.Microsoft) { 320 // Filter out some microsoft extensions when trying to parse in ms-compat 321 // mode. 322 DefineBuiltinMacro(Buf, "__int8=__INT8_TYPE__"); 323 DefineBuiltinMacro(Buf, "__int16=__INT16_TYPE__"); 324 DefineBuiltinMacro(Buf, "__int32=__INT32_TYPE__"); 325 DefineBuiltinMacro(Buf, "__int64=__INT64_TYPE__"); 326 // Work around some issues with Visual C++ headerws. 327 if (LangOpts.CPlusPlus) { 328 // Since we define wchar_t in C++ mode. 329 DefineBuiltinMacro(Buf, "_WCHAR_T_DEFINED=1"); 330 DefineBuiltinMacro(Buf, "_NATIVE_WCHAR_T_DEFINED=1"); 331 // FIXME: This should be temporary until we have a __pragma 332 // solution, to avoid some errors flagged in VC++ headers. 333 DefineBuiltinMacro(Buf, "_CRT_SECURE_CPP_OVERLOAD_SECURE_NAMES=0"); 334 } 335 } 336 337 if (LangOpts.Optimize) 338 DefineBuiltinMacro(Buf, "__OPTIMIZE__=1"); 339 if (LangOpts.OptimizeSize) 340 DefineBuiltinMacro(Buf, "__OPTIMIZE_SIZE__=1"); 341 342 // Initialize target-specific preprocessor defines. 343 344 // Define type sizing macros based on the target properties. 345 assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far"); 346 DefineBuiltinMacro(Buf, "__CHAR_BIT__=8"); 347 348 DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Buf); 349 DefineTypeSize("__SHRT_MAX__", TI.getShortWidth(), "", true, Buf); 350 DefineTypeSize("__INT_MAX__", TI.getIntWidth(), "", true, Buf); 351 DefineTypeSize("__LONG_MAX__", TI.getLongWidth(), "L", true, Buf); 352 DefineTypeSize("__LONG_LONG_MAX__", TI.getLongLongWidth(), "LL", true, Buf); 353 DefineTypeSize("__WCHAR_MAX__", TI.getWCharWidth(), "", true, Buf); 354 TargetInfo::IntType IntMaxType = TI.getIntMaxType(); 355 DefineTypeSize("__INTMAX_MAX__", TI.getTypeWidth(IntMaxType), 356 TI.getTypeConstantSuffix(IntMaxType), true, Buf); 357 358 DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Buf); 359 DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Buf); 360 DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Buf); 361 DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Buf); 362 DefineType("__SIZE_TYPE__", TI.getSizeType(), Buf); 363 DefineType("__WCHAR_TYPE__", TI.getWCharType(), Buf); 364 DefineType("__WINT_TYPE__", TI.getWIntType(), Buf); 365 366 DefineFloatMacros(Buf, "FLT", &TI.getFloatFormat()); 367 DefineFloatMacros(Buf, "DBL", &TI.getDoubleFormat()); 368 DefineFloatMacros(Buf, "LDBL", &TI.getLongDoubleFormat()); 369 370 // Define a __POINTER_WIDTH__ macro for stdint.h. 371 sprintf(MacroBuf, "__POINTER_WIDTH__=%d", (int)TI.getPointerWidth(0)); 372 DefineBuiltinMacro(Buf, MacroBuf); 373 374 if (!LangOpts.CharIsSigned) 375 DefineBuiltinMacro(Buf, "__CHAR_UNSIGNED__"); 376 377 // Define fixed-sized integer types for stdint.h 378 assert(TI.getCharWidth() == 8 && "unsupported target types"); 379 assert(TI.getShortWidth() == 16 && "unsupported target types"); 380 DefineBuiltinMacro(Buf, "__INT8_TYPE__=char"); 381 DefineBuiltinMacro(Buf, "__INT16_TYPE__=short"); 382 383 if (TI.getIntWidth() == 32) 384 DefineBuiltinMacro(Buf, "__INT32_TYPE__=int"); 385 else { 386 assert(TI.getLongLongWidth() == 32 && "unsupported target types"); 387 DefineBuiltinMacro(Buf, "__INT32_TYPE__=long long"); 388 } 389 390 // 16-bit targets doesn't necessarily have a 64-bit type. 391 if (TI.getLongLongWidth() == 64) 392 DefineType("__INT64_TYPE__", TI.getInt64Type(), Buf); 393 394 // Add __builtin_va_list typedef. 395 { 396 const char *VAList = TI.getVAListDeclaration(); 397 Buf.insert(Buf.end(), VAList, VAList+strlen(VAList)); 398 Buf.push_back('\n'); 399 } 400 401 if (const char *Prefix = TI.getUserLabelPrefix()) { 402 sprintf(MacroBuf, "__USER_LABEL_PREFIX__=%s", Prefix); 403 DefineBuiltinMacro(Buf, MacroBuf); 404 } 405 406 // Build configuration options. FIXME: these should be controlled by 407 // command line options or something. 408 DefineBuiltinMacro(Buf, "__FINITE_MATH_ONLY__=0"); 409 410 if (LangOpts.GNUInline) 411 DefineBuiltinMacro(Buf, "__GNUC_GNU_INLINE__=1"); 412 else 413 DefineBuiltinMacro(Buf, "__GNUC_STDC_INLINE__=1"); 414 415 if (LangOpts.NoInline) 416 DefineBuiltinMacro(Buf, "__NO_INLINE__=1"); 417 418 if (unsigned PICLevel = LangOpts.PICLevel) { 419 sprintf(MacroBuf, "__PIC__=%d", PICLevel); 420 DefineBuiltinMacro(Buf, MacroBuf); 421 422 sprintf(MacroBuf, "__pic__=%d", PICLevel); 423 DefineBuiltinMacro(Buf, MacroBuf); 424 } 425 426 // Macros to control C99 numerics and <float.h> 427 DefineBuiltinMacro(Buf, "__FLT_EVAL_METHOD__=0"); 428 DefineBuiltinMacro(Buf, "__FLT_RADIX__=2"); 429 sprintf(MacroBuf, "__DECIMAL_DIG__=%d", 430 PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36)); 431 DefineBuiltinMacro(Buf, MacroBuf); 432 433 if (LangOpts.getStackProtectorMode() == LangOptions::SSPOn) 434 DefineBuiltinMacro(Buf, "__SSP__=1"); 435 else if (LangOpts.getStackProtectorMode() == LangOptions::SSPReq) 436 DefineBuiltinMacro(Buf, "__SSP_ALL__=2"); 437 438 // Get other target #defines. 439 TI.getTargetDefines(LangOpts, Buf); 440 } 441 442 /// InitializePreprocessor - Initialize the preprocessor getting it and the 443 /// environment ready to process a single file. This returns true on error. 444 /// 445 bool clang::InitializePreprocessor(Preprocessor &PP, 446 const PreprocessorInitOptions &InitOpts) { 447 std::vector<char> PredefineBuffer; 448 449 const char *LineDirective = "# 1 \"<built-in>\" 3\n"; 450 PredefineBuffer.insert(PredefineBuffer.end(), 451 LineDirective, LineDirective+strlen(LineDirective)); 452 453 // Install things like __POWERPC__, __GNUC__, etc into the macro table. 454 if (InitOpts.getUsePredefines()) 455 InitializePredefinedMacros(PP.getTargetInfo(), PP.getLangOptions(), 456 PredefineBuffer); 457 458 // Add on the predefines from the driver. Wrap in a #line directive to report 459 // that they come from the command line. 460 LineDirective = "# 1 \"<command line>\" 1\n"; 461 PredefineBuffer.insert(PredefineBuffer.end(), 462 LineDirective, LineDirective+strlen(LineDirective)); 463 464 // Process #define's and #undef's in the order they are given. 465 for (PreprocessorInitOptions::macro_iterator I = InitOpts.macro_begin(), 466 E = InitOpts.macro_end(); I != E; ++I) { 467 if (I->second) // isUndef 468 UndefineBuiltinMacro(PredefineBuffer, I->first.c_str()); 469 else 470 DefineBuiltinMacro(PredefineBuffer, I->first.c_str()); 471 } 472 473 // If -imacros are specified, include them now. These are processed before 474 // any -include directives. 475 for (PreprocessorInitOptions::imacro_iterator I = InitOpts.imacro_begin(), 476 E = InitOpts.imacro_end(); I != E; ++I) 477 AddImplicitIncludeMacros(PredefineBuffer, *I); 478 479 // Process -include directives. 480 for (PreprocessorInitOptions::include_iterator I = InitOpts.include_begin(), 481 E = InitOpts.include_end(); I != E; ++I) { 482 if (I->second) // isPTH 483 AddImplicitIncludePTH(PredefineBuffer, PP, I->first); 484 else 485 AddImplicitInclude(PredefineBuffer, I->first); 486 } 487 488 // Null terminate PredefinedBuffer and add it. 489 PredefineBuffer.push_back(0); 490 PP.setPredefines(&PredefineBuffer[0]); 491 492 // Once we've read this, we're done. 493 return false; 494 } 495