Diagnostic.cpp revision fc8f0e14ad142ed811e90fbd9a30e419e301c717
1//===--- Diagnostic.cpp - C Language Family Diagnostic Handling -----------===// 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 Diagnostic-related interfaces. 11// 12//===----------------------------------------------------------------------===// 13 14#include "clang/Basic/Diagnostic.h" 15#include "clang/Basic/IdentifierTable.h" 16#include "clang/Basic/PartialDiagnostic.h" 17#include "llvm/ADT/SmallVector.h" 18#include "llvm/Support/raw_ostream.h" 19#include "llvm/Support/CrashRecoveryContext.h" 20 21using namespace clang; 22 23static void DummyArgToStringFn(Diagnostic::ArgumentKind AK, intptr_t QT, 24 const char *Modifier, unsigned ML, 25 const char *Argument, unsigned ArgLen, 26 const Diagnostic::ArgumentValue *PrevArgs, 27 unsigned NumPrevArgs, 28 llvm::SmallVectorImpl<char> &Output, 29 void *Cookie) { 30 const char *Str = "<can't format argument>"; 31 Output.append(Str, Str+strlen(Str)); 32} 33 34 35Diagnostic::Diagnostic(const llvm::IntrusiveRefCntPtr<DiagnosticIDs> &diags, 36 DiagnosticClient *client, bool ShouldOwnClient) 37 : Diags(diags), Client(client), OwnsDiagClient(ShouldOwnClient), 38 SourceMgr(0) { 39 ArgToStringFn = DummyArgToStringFn; 40 ArgToStringCookie = 0; 41 42 AllExtensionsSilenced = 0; 43 IgnoreAllWarnings = false; 44 WarningsAsErrors = false; 45 ErrorsAsFatal = false; 46 SuppressSystemWarnings = false; 47 SuppressAllDiagnostics = false; 48 ShowOverloads = Ovl_All; 49 ExtBehavior = Ext_Ignore; 50 51 ErrorLimit = 0; 52 TemplateBacktraceLimit = 0; 53 54 Reset(); 55} 56 57Diagnostic::~Diagnostic() { 58 if (OwnsDiagClient) 59 delete Client; 60} 61 62void Diagnostic::setClient(DiagnosticClient *client, bool ShouldOwnClient) { 63 if (OwnsDiagClient && Client) 64 delete Client; 65 66 Client = client; 67 OwnsDiagClient = ShouldOwnClient; 68} 69 70void Diagnostic::pushMappings(SourceLocation Loc) { 71 DiagStateOnPushStack.push_back(GetCurDiagState()); 72} 73 74bool Diagnostic::popMappings(SourceLocation Loc) { 75 if (DiagStateOnPushStack.empty()) 76 return false; 77 78 if (DiagStateOnPushStack.back() != GetCurDiagState()) { 79 // State changed at some point between push/pop. 80 PushDiagStatePoint(DiagStateOnPushStack.back(), Loc); 81 } 82 DiagStateOnPushStack.pop_back(); 83 return true; 84} 85 86void Diagnostic::Reset() { 87 ErrorOccurred = false; 88 FatalErrorOccurred = false; 89 90 NumWarnings = 0; 91 NumErrors = 0; 92 NumErrorsSuppressed = 0; 93 CurDiagID = ~0U; 94 // Set LastDiagLevel to an "unset" state. If we set it to 'Ignored', notes 95 // using a Diagnostic associated to a translation unit that follow 96 // diagnostics from a Diagnostic associated to anoter t.u. will not be 97 // displayed. 98 LastDiagLevel = (DiagnosticIDs::Level)-1; 99 DelayedDiagID = 0; 100 101 // Clear state related to #pragma diagnostic. 102 DiagStates.clear(); 103 DiagStatePoints.clear(); 104 DiagStateOnPushStack.clear(); 105 106 // Create a DiagState and DiagStatePoint representing diagnostic changes 107 // through command-line. 108 DiagStates.push_back(DiagState()); 109 PushDiagStatePoint(&DiagStates.back(), SourceLocation()); 110} 111 112void Diagnostic::SetDelayedDiagnostic(unsigned DiagID, llvm::StringRef Arg1, 113 llvm::StringRef Arg2) { 114 if (DelayedDiagID) 115 return; 116 117 DelayedDiagID = DiagID; 118 DelayedDiagArg1 = Arg1.str(); 119 DelayedDiagArg2 = Arg2.str(); 120} 121 122void Diagnostic::ReportDelayed() { 123 Report(DelayedDiagID) << DelayedDiagArg1 << DelayedDiagArg2; 124 DelayedDiagID = 0; 125 DelayedDiagArg1.clear(); 126 DelayedDiagArg2.clear(); 127} 128 129Diagnostic::DiagStatePointsTy::iterator 130Diagnostic::GetDiagStatePointForLoc(SourceLocation L) const { 131 assert(!DiagStatePoints.empty()); 132 assert(DiagStatePoints.front().Loc.isInvalid() && 133 "Should have created a DiagStatePoint for command-line"); 134 135 FullSourceLoc Loc(L, *SourceMgr); 136 if (Loc.isInvalid()) 137 return DiagStatePoints.end() - 1; 138 139 DiagStatePointsTy::iterator Pos = DiagStatePoints.end(); 140 FullSourceLoc LastStateChangePos = DiagStatePoints.back().Loc; 141 if (LastStateChangePos.isValid() && 142 Loc.isBeforeInTranslationUnitThan(LastStateChangePos)) 143 Pos = std::upper_bound(DiagStatePoints.begin(), DiagStatePoints.end(), 144 DiagStatePoint(0, Loc)); 145 --Pos; 146 return Pos; 147} 148 149/// \brief This allows the client to specify that certain 150/// warnings are ignored. Notes can never be mapped, errors can only be 151/// mapped to fatal, and WARNINGs and EXTENSIONs can be mapped arbitrarily. 152/// 153/// \param The source location that this change of diagnostic state should 154/// take affect. It can be null if we are setting the latest state. 155void Diagnostic::setDiagnosticMapping(diag::kind Diag, diag::Mapping Map, 156 SourceLocation L) { 157 assert(Diag < diag::DIAG_UPPER_LIMIT && 158 "Can only map builtin diagnostics"); 159 assert((Diags->isBuiltinWarningOrExtension(Diag) || 160 (Map == diag::MAP_FATAL || Map == diag::MAP_ERROR)) && 161 "Cannot map errors into warnings!"); 162 assert(!DiagStatePoints.empty()); 163 164 bool isPragma = L.isValid(); 165 FullSourceLoc Loc(L, *SourceMgr); 166 FullSourceLoc LastStateChangePos = DiagStatePoints.back().Loc; 167 168 // Common case; setting all the diagnostics of a group in one place. 169 if (Loc.isInvalid() || Loc == LastStateChangePos) { 170 setDiagnosticMappingInternal(Diag, Map, GetCurDiagState(), true, isPragma); 171 return; 172 } 173 174 // Another common case; modifying diagnostic state in a source location 175 // after the previous one. 176 if ((Loc.isValid() && LastStateChangePos.isInvalid()) || 177 LastStateChangePos.isBeforeInTranslationUnitThan(Loc)) { 178 // A diagnostic pragma occurred, create a new DiagState initialized with 179 // the current one and a new DiagStatePoint to record at which location 180 // the new state became active. 181 DiagStates.push_back(*GetCurDiagState()); 182 PushDiagStatePoint(&DiagStates.back(), Loc); 183 setDiagnosticMappingInternal(Diag, Map, GetCurDiagState(), true, isPragma); 184 return; 185 } 186 187 // We allow setting the diagnostic state in random source order for 188 // completeness but it should not be actually happening in normal practice. 189 190 DiagStatePointsTy::iterator Pos = GetDiagStatePointForLoc(Loc); 191 assert(Pos != DiagStatePoints.end()); 192 193 // Update all diagnostic states that are active after the given location. 194 for (DiagStatePointsTy::iterator 195 I = Pos+1, E = DiagStatePoints.end(); I != E; ++I) { 196 setDiagnosticMappingInternal(Diag, Map, I->State, true, isPragma); 197 } 198 199 // If the location corresponds to an existing point, just update its state. 200 if (Pos->Loc == Loc) { 201 setDiagnosticMappingInternal(Diag, Map, Pos->State, true, isPragma); 202 return; 203 } 204 205 // Create a new state/point and fit it into the vector of DiagStatePoints 206 // so that the vector is always ordered according to location. 207 Pos->Loc.isBeforeInTranslationUnitThan(Loc); 208 DiagStates.push_back(*Pos->State); 209 DiagState *NewState = &DiagStates.back(); 210 setDiagnosticMappingInternal(Diag, Map, NewState, true, isPragma); 211 DiagStatePoints.insert(Pos+1, DiagStatePoint(NewState, 212 FullSourceLoc(Loc, *SourceMgr))); 213} 214 215void DiagnosticBuilder::FlushCounts() { 216 DiagObj->NumDiagArgs = NumArgs; 217 DiagObj->NumDiagRanges = NumRanges; 218 DiagObj->NumFixItHints = NumFixItHints; 219} 220 221bool DiagnosticBuilder::Emit() { 222 // If DiagObj is null, then its soul was stolen by the copy ctor 223 // or the user called Emit(). 224 if (DiagObj == 0) return false; 225 226 // When emitting diagnostics, we set the final argument count into 227 // the Diagnostic object. 228 FlushCounts(); 229 230 // Process the diagnostic, sending the accumulated information to the 231 // DiagnosticClient. 232 bool Emitted = DiagObj->ProcessDiag(); 233 234 // Clear out the current diagnostic object. 235 unsigned DiagID = DiagObj->CurDiagID; 236 DiagObj->Clear(); 237 238 // If there was a delayed diagnostic, emit it now. 239 if (DiagObj->DelayedDiagID && DiagObj->DelayedDiagID != DiagID) 240 DiagObj->ReportDelayed(); 241 242 // This diagnostic is dead. 243 DiagObj = 0; 244 245 return Emitted; 246} 247 248 249DiagnosticClient::~DiagnosticClient() {} 250 251void DiagnosticClient::HandleDiagnostic(Diagnostic::Level DiagLevel, 252 const DiagnosticInfo &Info) { 253 if (!IncludeInDiagnosticCounts()) 254 return; 255 256 if (DiagLevel == Diagnostic::Warning) 257 ++NumWarnings; 258 else if (DiagLevel >= Diagnostic::Error) 259 ++NumErrors; 260} 261 262/// ModifierIs - Return true if the specified modifier matches specified string. 263template <std::size_t StrLen> 264static bool ModifierIs(const char *Modifier, unsigned ModifierLen, 265 const char (&Str)[StrLen]) { 266 return StrLen-1 == ModifierLen && !memcmp(Modifier, Str, StrLen-1); 267} 268 269/// ScanForward - Scans forward, looking for the given character, skipping 270/// nested clauses and escaped characters. 271static const char *ScanFormat(const char *I, const char *E, char Target) { 272 unsigned Depth = 0; 273 274 for ( ; I != E; ++I) { 275 if (Depth == 0 && *I == Target) return I; 276 if (Depth != 0 && *I == '}') Depth--; 277 278 if (*I == '%') { 279 I++; 280 if (I == E) break; 281 282 // Escaped characters get implicitly skipped here. 283 284 // Format specifier. 285 if (!isdigit(*I) && !ispunct(*I)) { 286 for (I++; I != E && !isdigit(*I) && *I != '{'; I++) ; 287 if (I == E) break; 288 if (*I == '{') 289 Depth++; 290 } 291 } 292 } 293 return E; 294} 295 296/// HandleSelectModifier - Handle the integer 'select' modifier. This is used 297/// like this: %select{foo|bar|baz}2. This means that the integer argument 298/// "%2" has a value from 0-2. If the value is 0, the diagnostic prints 'foo'. 299/// If the value is 1, it prints 'bar'. If it has the value 2, it prints 'baz'. 300/// This is very useful for certain classes of variant diagnostics. 301static void HandleSelectModifier(const DiagnosticInfo &DInfo, unsigned ValNo, 302 const char *Argument, unsigned ArgumentLen, 303 llvm::SmallVectorImpl<char> &OutStr) { 304 const char *ArgumentEnd = Argument+ArgumentLen; 305 306 // Skip over 'ValNo' |'s. 307 while (ValNo) { 308 const char *NextVal = ScanFormat(Argument, ArgumentEnd, '|'); 309 assert(NextVal != ArgumentEnd && "Value for integer select modifier was" 310 " larger than the number of options in the diagnostic string!"); 311 Argument = NextVal+1; // Skip this string. 312 --ValNo; 313 } 314 315 // Get the end of the value. This is either the } or the |. 316 const char *EndPtr = ScanFormat(Argument, ArgumentEnd, '|'); 317 318 // Recursively format the result of the select clause into the output string. 319 DInfo.FormatDiagnostic(Argument, EndPtr, OutStr); 320} 321 322/// HandleIntegerSModifier - Handle the integer 's' modifier. This adds the 323/// letter 's' to the string if the value is not 1. This is used in cases like 324/// this: "you idiot, you have %4 parameter%s4!". 325static void HandleIntegerSModifier(unsigned ValNo, 326 llvm::SmallVectorImpl<char> &OutStr) { 327 if (ValNo != 1) 328 OutStr.push_back('s'); 329} 330 331/// HandleOrdinalModifier - Handle the integer 'ord' modifier. This 332/// prints the ordinal form of the given integer, with 1 corresponding 333/// to the first ordinal. Currently this is hard-coded to use the 334/// English form. 335static void HandleOrdinalModifier(unsigned ValNo, 336 llvm::SmallVectorImpl<char> &OutStr) { 337 assert(ValNo != 0 && "ValNo must be strictly positive!"); 338 339 llvm::raw_svector_ostream Out(OutStr); 340 341 // We could use text forms for the first N ordinals, but the numeric 342 // forms are actually nicer in diagnostics because they stand out. 343 Out << ValNo; 344 345 // It is critically important that we do this perfectly for 346 // user-written sequences with over 100 elements. 347 switch (ValNo % 100) { 348 case 11: 349 case 12: 350 case 13: 351 Out << "th"; return; 352 default: 353 switch (ValNo % 10) { 354 case 1: Out << "st"; return; 355 case 2: Out << "nd"; return; 356 case 3: Out << "rd"; return; 357 default: Out << "th"; return; 358 } 359 } 360} 361 362 363/// PluralNumber - Parse an unsigned integer and advance Start. 364static unsigned PluralNumber(const char *&Start, const char *End) { 365 // Programming 101: Parse a decimal number :-) 366 unsigned Val = 0; 367 while (Start != End && *Start >= '0' && *Start <= '9') { 368 Val *= 10; 369 Val += *Start - '0'; 370 ++Start; 371 } 372 return Val; 373} 374 375/// TestPluralRange - Test if Val is in the parsed range. Modifies Start. 376static bool TestPluralRange(unsigned Val, const char *&Start, const char *End) { 377 if (*Start != '[') { 378 unsigned Ref = PluralNumber(Start, End); 379 return Ref == Val; 380 } 381 382 ++Start; 383 unsigned Low = PluralNumber(Start, End); 384 assert(*Start == ',' && "Bad plural expression syntax: expected ,"); 385 ++Start; 386 unsigned High = PluralNumber(Start, End); 387 assert(*Start == ']' && "Bad plural expression syntax: expected )"); 388 ++Start; 389 return Low <= Val && Val <= High; 390} 391 392/// EvalPluralExpr - Actual expression evaluator for HandlePluralModifier. 393static bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End) { 394 // Empty condition? 395 if (*Start == ':') 396 return true; 397 398 while (1) { 399 char C = *Start; 400 if (C == '%') { 401 // Modulo expression 402 ++Start; 403 unsigned Arg = PluralNumber(Start, End); 404 assert(*Start == '=' && "Bad plural expression syntax: expected ="); 405 ++Start; 406 unsigned ValMod = ValNo % Arg; 407 if (TestPluralRange(ValMod, Start, End)) 408 return true; 409 } else { 410 assert((C == '[' || (C >= '0' && C <= '9')) && 411 "Bad plural expression syntax: unexpected character"); 412 // Range expression 413 if (TestPluralRange(ValNo, Start, End)) 414 return true; 415 } 416 417 // Scan for next or-expr part. 418 Start = std::find(Start, End, ','); 419 if (Start == End) 420 break; 421 ++Start; 422 } 423 return false; 424} 425 426/// HandlePluralModifier - Handle the integer 'plural' modifier. This is used 427/// for complex plural forms, or in languages where all plurals are complex. 428/// The syntax is: %plural{cond1:form1|cond2:form2|:form3}, where condn are 429/// conditions that are tested in order, the form corresponding to the first 430/// that applies being emitted. The empty condition is always true, making the 431/// last form a default case. 432/// Conditions are simple boolean expressions, where n is the number argument. 433/// Here are the rules. 434/// condition := expression | empty 435/// empty := -> always true 436/// expression := numeric [',' expression] -> logical or 437/// numeric := range -> true if n in range 438/// | '%' number '=' range -> true if n % number in range 439/// range := number 440/// | '[' number ',' number ']' -> ranges are inclusive both ends 441/// 442/// Here are some examples from the GNU gettext manual written in this form: 443/// English: 444/// {1:form0|:form1} 445/// Latvian: 446/// {0:form2|%100=11,%10=0,%10=[2,9]:form1|:form0} 447/// Gaeilge: 448/// {1:form0|2:form1|:form2} 449/// Romanian: 450/// {1:form0|0,%100=[1,19]:form1|:form2} 451/// Lithuanian: 452/// {%10=0,%100=[10,19]:form2|%10=1:form0|:form1} 453/// Russian (requires repeated form): 454/// {%100=[11,14]:form2|%10=1:form0|%10=[2,4]:form1|:form2} 455/// Slovak 456/// {1:form0|[2,4]:form1|:form2} 457/// Polish (requires repeated form): 458/// {1:form0|%100=[10,20]:form2|%10=[2,4]:form1|:form2} 459static void HandlePluralModifier(const DiagnosticInfo &DInfo, unsigned ValNo, 460 const char *Argument, unsigned ArgumentLen, 461 llvm::SmallVectorImpl<char> &OutStr) { 462 const char *ArgumentEnd = Argument + ArgumentLen; 463 while (1) { 464 assert(Argument < ArgumentEnd && "Plural expression didn't match."); 465 const char *ExprEnd = Argument; 466 while (*ExprEnd != ':') { 467 assert(ExprEnd != ArgumentEnd && "Plural missing expression end"); 468 ++ExprEnd; 469 } 470 if (EvalPluralExpr(ValNo, Argument, ExprEnd)) { 471 Argument = ExprEnd + 1; 472 ExprEnd = ScanFormat(Argument, ArgumentEnd, '|'); 473 474 // Recursively format the result of the plural clause into the 475 // output string. 476 DInfo.FormatDiagnostic(Argument, ExprEnd, OutStr); 477 return; 478 } 479 Argument = ScanFormat(Argument, ArgumentEnd - 1, '|') + 1; 480 } 481} 482 483 484/// FormatDiagnostic - Format this diagnostic into a string, substituting the 485/// formal arguments into the %0 slots. The result is appended onto the Str 486/// array. 487void DiagnosticInfo:: 488FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { 489 const char *DiagStr = getDiags()->getDiagnosticIDs()->getDescription(getID()); 490 const char *DiagEnd = DiagStr+strlen(DiagStr); 491 492 FormatDiagnostic(DiagStr, DiagEnd, OutStr); 493} 494 495void DiagnosticInfo:: 496FormatDiagnostic(const char *DiagStr, const char *DiagEnd, 497 llvm::SmallVectorImpl<char> &OutStr) const { 498 499 /// FormattedArgs - Keep track of all of the arguments formatted by 500 /// ConvertArgToString and pass them into subsequent calls to 501 /// ConvertArgToString, allowing the implementation to avoid redundancies in 502 /// obvious cases. 503 llvm::SmallVector<Diagnostic::ArgumentValue, 8> FormattedArgs; 504 505 while (DiagStr != DiagEnd) { 506 if (DiagStr[0] != '%') { 507 // Append non-%0 substrings to Str if we have one. 508 const char *StrEnd = std::find(DiagStr, DiagEnd, '%'); 509 OutStr.append(DiagStr, StrEnd); 510 DiagStr = StrEnd; 511 continue; 512 } else if (ispunct(DiagStr[1])) { 513 OutStr.push_back(DiagStr[1]); // %% -> %. 514 DiagStr += 2; 515 continue; 516 } 517 518 // Skip the %. 519 ++DiagStr; 520 521 // This must be a placeholder for a diagnostic argument. The format for a 522 // placeholder is one of "%0", "%modifier0", or "%modifier{arguments}0". 523 // The digit is a number from 0-9 indicating which argument this comes from. 524 // The modifier is a string of digits from the set [-a-z]+, arguments is a 525 // brace enclosed string. 526 const char *Modifier = 0, *Argument = 0; 527 unsigned ModifierLen = 0, ArgumentLen = 0; 528 529 // Check to see if we have a modifier. If so eat it. 530 if (!isdigit(DiagStr[0])) { 531 Modifier = DiagStr; 532 while (DiagStr[0] == '-' || 533 (DiagStr[0] >= 'a' && DiagStr[0] <= 'z')) 534 ++DiagStr; 535 ModifierLen = DiagStr-Modifier; 536 537 // If we have an argument, get it next. 538 if (DiagStr[0] == '{') { 539 ++DiagStr; // Skip {. 540 Argument = DiagStr; 541 542 DiagStr = ScanFormat(DiagStr, DiagEnd, '}'); 543 assert(DiagStr != DiagEnd && "Mismatched {}'s in diagnostic string!"); 544 ArgumentLen = DiagStr-Argument; 545 ++DiagStr; // Skip }. 546 } 547 } 548 549 assert(isdigit(*DiagStr) && "Invalid format for argument in diagnostic"); 550 unsigned ArgNo = *DiagStr++ - '0'; 551 552 Diagnostic::ArgumentKind Kind = getArgKind(ArgNo); 553 554 switch (Kind) { 555 // ---- STRINGS ---- 556 case Diagnostic::ak_std_string: { 557 const std::string &S = getArgStdStr(ArgNo); 558 assert(ModifierLen == 0 && "No modifiers for strings yet"); 559 OutStr.append(S.begin(), S.end()); 560 break; 561 } 562 case Diagnostic::ak_c_string: { 563 const char *S = getArgCStr(ArgNo); 564 assert(ModifierLen == 0 && "No modifiers for strings yet"); 565 566 // Don't crash if get passed a null pointer by accident. 567 if (!S) 568 S = "(null)"; 569 570 OutStr.append(S, S + strlen(S)); 571 break; 572 } 573 // ---- INTEGERS ---- 574 case Diagnostic::ak_sint: { 575 int Val = getArgSInt(ArgNo); 576 577 if (ModifierIs(Modifier, ModifierLen, "select")) { 578 HandleSelectModifier(*this, (unsigned)Val, Argument, ArgumentLen, 579 OutStr); 580 } else if (ModifierIs(Modifier, ModifierLen, "s")) { 581 HandleIntegerSModifier(Val, OutStr); 582 } else if (ModifierIs(Modifier, ModifierLen, "plural")) { 583 HandlePluralModifier(*this, (unsigned)Val, Argument, ArgumentLen, 584 OutStr); 585 } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) { 586 HandleOrdinalModifier((unsigned)Val, OutStr); 587 } else { 588 assert(ModifierLen == 0 && "Unknown integer modifier"); 589 llvm::raw_svector_ostream(OutStr) << Val; 590 } 591 break; 592 } 593 case Diagnostic::ak_uint: { 594 unsigned Val = getArgUInt(ArgNo); 595 596 if (ModifierIs(Modifier, ModifierLen, "select")) { 597 HandleSelectModifier(*this, Val, Argument, ArgumentLen, OutStr); 598 } else if (ModifierIs(Modifier, ModifierLen, "s")) { 599 HandleIntegerSModifier(Val, OutStr); 600 } else if (ModifierIs(Modifier, ModifierLen, "plural")) { 601 HandlePluralModifier(*this, (unsigned)Val, Argument, ArgumentLen, 602 OutStr); 603 } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) { 604 HandleOrdinalModifier(Val, OutStr); 605 } else { 606 assert(ModifierLen == 0 && "Unknown integer modifier"); 607 llvm::raw_svector_ostream(OutStr) << Val; 608 } 609 break; 610 } 611 // ---- NAMES and TYPES ---- 612 case Diagnostic::ak_identifierinfo: { 613 const IdentifierInfo *II = getArgIdentifier(ArgNo); 614 assert(ModifierLen == 0 && "No modifiers for strings yet"); 615 616 // Don't crash if get passed a null pointer by accident. 617 if (!II) { 618 const char *S = "(null)"; 619 OutStr.append(S, S + strlen(S)); 620 continue; 621 } 622 623 llvm::raw_svector_ostream(OutStr) << '\'' << II->getName() << '\''; 624 break; 625 } 626 case Diagnostic::ak_qualtype: 627 case Diagnostic::ak_declarationname: 628 case Diagnostic::ak_nameddecl: 629 case Diagnostic::ak_nestednamespec: 630 case Diagnostic::ak_declcontext: 631 getDiags()->ConvertArgToString(Kind, getRawArg(ArgNo), 632 Modifier, ModifierLen, 633 Argument, ArgumentLen, 634 FormattedArgs.data(), FormattedArgs.size(), 635 OutStr); 636 break; 637 } 638 639 // Remember this argument info for subsequent formatting operations. Turn 640 // std::strings into a null terminated string to make it be the same case as 641 // all the other ones. 642 if (Kind != Diagnostic::ak_std_string) 643 FormattedArgs.push_back(std::make_pair(Kind, getRawArg(ArgNo))); 644 else 645 FormattedArgs.push_back(std::make_pair(Diagnostic::ak_c_string, 646 (intptr_t)getArgStdStr(ArgNo).c_str())); 647 648 } 649} 650 651StoredDiagnostic::StoredDiagnostic() { } 652 653StoredDiagnostic::StoredDiagnostic(Diagnostic::Level Level, unsigned ID, 654 llvm::StringRef Message) 655 : ID(ID), Level(Level), Loc(), Message(Message) { } 656 657StoredDiagnostic::StoredDiagnostic(Diagnostic::Level Level, 658 const DiagnosticInfo &Info) 659 : ID(Info.getID()), Level(Level) 660{ 661 assert((Info.getLocation().isInvalid() || Info.hasSourceManager()) && 662 "Valid source location without setting a source manager for diagnostic"); 663 if (Info.getLocation().isValid()) 664 Loc = FullSourceLoc(Info.getLocation(), Info.getSourceManager()); 665 llvm::SmallString<64> Message; 666 Info.FormatDiagnostic(Message); 667 this->Message.assign(Message.begin(), Message.end()); 668 669 Ranges.reserve(Info.getNumRanges()); 670 for (unsigned I = 0, N = Info.getNumRanges(); I != N; ++I) 671 Ranges.push_back(Info.getRange(I)); 672 673 FixIts.reserve(Info.getNumFixItHints()); 674 for (unsigned I = 0, N = Info.getNumFixItHints(); I != N; ++I) 675 FixIts.push_back(Info.getFixItHint(I)); 676} 677 678StoredDiagnostic::~StoredDiagnostic() { } 679 680/// IncludeInDiagnosticCounts - This method (whose default implementation 681/// returns true) indicates whether the diagnostics handled by this 682/// DiagnosticClient should be included in the number of diagnostics 683/// reported by Diagnostic. 684bool DiagnosticClient::IncludeInDiagnosticCounts() const { return true; } 685 686PartialDiagnostic::StorageAllocator::StorageAllocator() { 687 for (unsigned I = 0; I != NumCached; ++I) 688 FreeList[I] = Cached + I; 689 NumFreeListEntries = NumCached; 690} 691 692PartialDiagnostic::StorageAllocator::~StorageAllocator() { 693 // Don't assert if we are in a CrashRecovery context, as this 694 // invariant may be invalidated during a crash. 695 assert((NumFreeListEntries == NumCached || llvm::CrashRecoveryContext::isRecoveringFromCrash()) && "A partial is on the lamb"); 696} 697