Diagnostic.cpp revision 0673cb30340aadaede7b795c763b00f6b64e611c
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 llvm::SmallVectorImpl<intptr_t> &QualTypeVals) { 31 const char *Str = "<can't format argument>"; 32 Output.append(Str, Str+strlen(Str)); 33} 34 35 36Diagnostic::Diagnostic(const llvm::IntrusiveRefCntPtr<DiagnosticIDs> &diags, 37 DiagnosticClient *client, bool ShouldOwnClient) 38 : Diags(diags), Client(client), OwnsDiagClient(ShouldOwnClient), 39 SourceMgr(0) { 40 ArgToStringFn = DummyArgToStringFn; 41 ArgToStringCookie = 0; 42 43 AllExtensionsSilenced = 0; 44 IgnoreAllWarnings = false; 45 WarningsAsErrors = false; 46 ErrorsAsFatal = false; 47 SuppressSystemWarnings = false; 48 SuppressAllDiagnostics = false; 49 ShowOverloads = Ovl_All; 50 ExtBehavior = Ext_Ignore; 51 52 ErrorLimit = 0; 53 TemplateBacktraceLimit = 0; 54 55 Reset(); 56} 57 58Diagnostic::~Diagnostic() { 59 if (OwnsDiagClient) 60 delete Client; 61} 62 63void Diagnostic::setClient(DiagnosticClient *client, bool ShouldOwnClient) { 64 if (OwnsDiagClient && Client) 65 delete Client; 66 67 Client = client; 68 OwnsDiagClient = ShouldOwnClient; 69} 70 71void Diagnostic::pushMappings(SourceLocation Loc) { 72 DiagStateOnPushStack.push_back(GetCurDiagState()); 73} 74 75bool Diagnostic::popMappings(SourceLocation Loc) { 76 if (DiagStateOnPushStack.empty()) 77 return false; 78 79 if (DiagStateOnPushStack.back() != GetCurDiagState()) { 80 // State changed at some point between push/pop. 81 PushDiagStatePoint(DiagStateOnPushStack.back(), Loc); 82 } 83 DiagStateOnPushStack.pop_back(); 84 return true; 85} 86 87void Diagnostic::Reset() { 88 ErrorOccurred = false; 89 FatalErrorOccurred = false; 90 UnrecoverableErrorOccurred = false; 91 92 NumWarnings = 0; 93 NumErrors = 0; 94 NumErrorsSuppressed = 0; 95 96 CurDiagID = ~0U; 97 // Set LastDiagLevel to an "unset" state. If we set it to 'Ignored', notes 98 // using a Diagnostic associated to a translation unit that follow 99 // diagnostics from a Diagnostic associated to anoter t.u. will not be 100 // displayed. 101 LastDiagLevel = (DiagnosticIDs::Level)-1; 102 DelayedDiagID = 0; 103 104 // Clear state related to #pragma diagnostic. 105 DiagStates.clear(); 106 DiagStatePoints.clear(); 107 DiagStateOnPushStack.clear(); 108 109 // Create a DiagState and DiagStatePoint representing diagnostic changes 110 // through command-line. 111 DiagStates.push_back(DiagState()); 112 PushDiagStatePoint(&DiagStates.back(), SourceLocation()); 113} 114 115void Diagnostic::SetDelayedDiagnostic(unsigned DiagID, llvm::StringRef Arg1, 116 llvm::StringRef Arg2) { 117 if (DelayedDiagID) 118 return; 119 120 DelayedDiagID = DiagID; 121 DelayedDiagArg1 = Arg1.str(); 122 DelayedDiagArg2 = Arg2.str(); 123} 124 125void Diagnostic::ReportDelayed() { 126 Report(DelayedDiagID) << DelayedDiagArg1 << DelayedDiagArg2; 127 DelayedDiagID = 0; 128 DelayedDiagArg1.clear(); 129 DelayedDiagArg2.clear(); 130} 131 132Diagnostic::DiagStatePointsTy::iterator 133Diagnostic::GetDiagStatePointForLoc(SourceLocation L) const { 134 assert(!DiagStatePoints.empty()); 135 assert(DiagStatePoints.front().Loc.isInvalid() && 136 "Should have created a DiagStatePoint for command-line"); 137 138 FullSourceLoc Loc(L, *SourceMgr); 139 if (Loc.isInvalid()) 140 return DiagStatePoints.end() - 1; 141 142 DiagStatePointsTy::iterator Pos = DiagStatePoints.end(); 143 FullSourceLoc LastStateChangePos = DiagStatePoints.back().Loc; 144 if (LastStateChangePos.isValid() && 145 Loc.isBeforeInTranslationUnitThan(LastStateChangePos)) 146 Pos = std::upper_bound(DiagStatePoints.begin(), DiagStatePoints.end(), 147 DiagStatePoint(0, Loc)); 148 --Pos; 149 return Pos; 150} 151 152/// \brief This allows the client to specify that certain 153/// warnings are ignored. Notes can never be mapped, errors can only be 154/// mapped to fatal, and WARNINGs and EXTENSIONs can be mapped arbitrarily. 155/// 156/// \param The source location that this change of diagnostic state should 157/// take affect. It can be null if we are setting the latest state. 158void Diagnostic::setDiagnosticMapping(diag::kind Diag, diag::Mapping Map, 159 SourceLocation L) { 160 assert(Diag < diag::DIAG_UPPER_LIMIT && 161 "Can only map builtin diagnostics"); 162 assert((Diags->isBuiltinWarningOrExtension(Diag) || 163 (Map == diag::MAP_FATAL || Map == diag::MAP_ERROR)) && 164 "Cannot map errors into warnings!"); 165 assert(!DiagStatePoints.empty()); 166 167 bool isPragma = L.isValid(); 168 FullSourceLoc Loc(L, *SourceMgr); 169 FullSourceLoc LastStateChangePos = DiagStatePoints.back().Loc; 170 171 // Common case; setting all the diagnostics of a group in one place. 172 if (Loc.isInvalid() || Loc == LastStateChangePos) { 173 setDiagnosticMappingInternal(Diag, Map, GetCurDiagState(), true, isPragma); 174 return; 175 } 176 177 // Another common case; modifying diagnostic state in a source location 178 // after the previous one. 179 if ((Loc.isValid() && LastStateChangePos.isInvalid()) || 180 LastStateChangePos.isBeforeInTranslationUnitThan(Loc)) { 181 // A diagnostic pragma occurred, create a new DiagState initialized with 182 // the current one and a new DiagStatePoint to record at which location 183 // the new state became active. 184 DiagStates.push_back(*GetCurDiagState()); 185 PushDiagStatePoint(&DiagStates.back(), Loc); 186 setDiagnosticMappingInternal(Diag, Map, GetCurDiagState(), true, isPragma); 187 return; 188 } 189 190 // We allow setting the diagnostic state in random source order for 191 // completeness but it should not be actually happening in normal practice. 192 193 DiagStatePointsTy::iterator Pos = GetDiagStatePointForLoc(Loc); 194 assert(Pos != DiagStatePoints.end()); 195 196 // Update all diagnostic states that are active after the given location. 197 for (DiagStatePointsTy::iterator 198 I = Pos+1, E = DiagStatePoints.end(); I != E; ++I) { 199 setDiagnosticMappingInternal(Diag, Map, I->State, true, isPragma); 200 } 201 202 // If the location corresponds to an existing point, just update its state. 203 if (Pos->Loc == Loc) { 204 setDiagnosticMappingInternal(Diag, Map, Pos->State, true, isPragma); 205 return; 206 } 207 208 // Create a new state/point and fit it into the vector of DiagStatePoints 209 // so that the vector is always ordered according to location. 210 Pos->Loc.isBeforeInTranslationUnitThan(Loc); 211 DiagStates.push_back(*Pos->State); 212 DiagState *NewState = &DiagStates.back(); 213 setDiagnosticMappingInternal(Diag, Map, NewState, true, isPragma); 214 DiagStatePoints.insert(Pos+1, DiagStatePoint(NewState, 215 FullSourceLoc(Loc, *SourceMgr))); 216} 217 218void Diagnostic::Report(const StoredDiagnostic &storedDiag) { 219 assert(CurDiagID == ~0U && "Multiple diagnostics in flight at once!"); 220 221 CurDiagLoc = storedDiag.getLocation(); 222 CurDiagID = storedDiag.getID(); 223 NumDiagArgs = 0; 224 225 NumDiagRanges = storedDiag.range_size(); 226 assert(NumDiagRanges < sizeof(DiagRanges)/sizeof(DiagRanges[0]) && 227 "Too many arguments to diagnostic!"); 228 unsigned i = 0; 229 for (StoredDiagnostic::range_iterator 230 RI = storedDiag.range_begin(), 231 RE = storedDiag.range_end(); RI != RE; ++RI) 232 DiagRanges[i++] = *RI; 233 234 NumFixItHints = storedDiag.fixit_size(); 235 assert(NumFixItHints < Diagnostic::MaxFixItHints && "Too many fix-it hints!"); 236 i = 0; 237 for (StoredDiagnostic::fixit_iterator 238 FI = storedDiag.fixit_begin(), 239 FE = storedDiag.fixit_end(); FI != FE; ++FI) 240 FixItHints[i++] = *FI; 241 242 assert(Client && "DiagnosticClient not set!"); 243 Level DiagLevel = storedDiag.getLevel(); 244 DiagnosticInfo Info(this, storedDiag.getMessage()); 245 Client->HandleDiagnostic(DiagLevel, Info); 246 if (Client->IncludeInDiagnosticCounts()) { 247 if (DiagLevel == Diagnostic::Warning) 248 ++NumWarnings; 249 } 250 251 CurDiagID = ~0U; 252} 253 254void DiagnosticBuilder::FlushCounts() { 255 DiagObj->NumDiagArgs = NumArgs; 256 DiagObj->NumDiagRanges = NumRanges; 257 DiagObj->NumFixItHints = NumFixItHints; 258} 259 260bool DiagnosticBuilder::Emit() { 261 // If DiagObj is null, then its soul was stolen by the copy ctor 262 // or the user called Emit(). 263 if (DiagObj == 0) return false; 264 265 // When emitting diagnostics, we set the final argument count into 266 // the Diagnostic object. 267 FlushCounts(); 268 269 // Process the diagnostic, sending the accumulated information to the 270 // DiagnosticClient. 271 bool Emitted = DiagObj->ProcessDiag(); 272 273 // Clear out the current diagnostic object. 274 unsigned DiagID = DiagObj->CurDiagID; 275 DiagObj->Clear(); 276 277 // If there was a delayed diagnostic, emit it now. 278 if (DiagObj->DelayedDiagID && DiagObj->DelayedDiagID != DiagID) 279 DiagObj->ReportDelayed(); 280 281 // This diagnostic is dead. 282 DiagObj = 0; 283 284 return Emitted; 285} 286 287 288DiagnosticClient::~DiagnosticClient() {} 289 290void DiagnosticClient::HandleDiagnostic(Diagnostic::Level DiagLevel, 291 const DiagnosticInfo &Info) { 292 if (!IncludeInDiagnosticCounts()) 293 return; 294 295 if (DiagLevel == Diagnostic::Warning) 296 ++NumWarnings; 297 else if (DiagLevel >= Diagnostic::Error) 298 ++NumErrors; 299} 300 301/// ModifierIs - Return true if the specified modifier matches specified string. 302template <std::size_t StrLen> 303static bool ModifierIs(const char *Modifier, unsigned ModifierLen, 304 const char (&Str)[StrLen]) { 305 return StrLen-1 == ModifierLen && !memcmp(Modifier, Str, StrLen-1); 306} 307 308/// ScanForward - Scans forward, looking for the given character, skipping 309/// nested clauses and escaped characters. 310static const char *ScanFormat(const char *I, const char *E, char Target) { 311 unsigned Depth = 0; 312 313 for ( ; I != E; ++I) { 314 if (Depth == 0 && *I == Target) return I; 315 if (Depth != 0 && *I == '}') Depth--; 316 317 if (*I == '%') { 318 I++; 319 if (I == E) break; 320 321 // Escaped characters get implicitly skipped here. 322 323 // Format specifier. 324 if (!isdigit(*I) && !ispunct(*I)) { 325 for (I++; I != E && !isdigit(*I) && *I != '{'; I++) ; 326 if (I == E) break; 327 if (*I == '{') 328 Depth++; 329 } 330 } 331 } 332 return E; 333} 334 335/// HandleSelectModifier - Handle the integer 'select' modifier. This is used 336/// like this: %select{foo|bar|baz}2. This means that the integer argument 337/// "%2" has a value from 0-2. If the value is 0, the diagnostic prints 'foo'. 338/// If the value is 1, it prints 'bar'. If it has the value 2, it prints 'baz'. 339/// This is very useful for certain classes of variant diagnostics. 340static void HandleSelectModifier(const DiagnosticInfo &DInfo, unsigned ValNo, 341 const char *Argument, unsigned ArgumentLen, 342 llvm::SmallVectorImpl<char> &OutStr) { 343 const char *ArgumentEnd = Argument+ArgumentLen; 344 345 // Skip over 'ValNo' |'s. 346 while (ValNo) { 347 const char *NextVal = ScanFormat(Argument, ArgumentEnd, '|'); 348 assert(NextVal != ArgumentEnd && "Value for integer select modifier was" 349 " larger than the number of options in the diagnostic string!"); 350 Argument = NextVal+1; // Skip this string. 351 --ValNo; 352 } 353 354 // Get the end of the value. This is either the } or the |. 355 const char *EndPtr = ScanFormat(Argument, ArgumentEnd, '|'); 356 357 // Recursively format the result of the select clause into the output string. 358 DInfo.FormatDiagnostic(Argument, EndPtr, OutStr); 359} 360 361/// HandleIntegerSModifier - Handle the integer 's' modifier. This adds the 362/// letter 's' to the string if the value is not 1. This is used in cases like 363/// this: "you idiot, you have %4 parameter%s4!". 364static void HandleIntegerSModifier(unsigned ValNo, 365 llvm::SmallVectorImpl<char> &OutStr) { 366 if (ValNo != 1) 367 OutStr.push_back('s'); 368} 369 370/// HandleOrdinalModifier - Handle the integer 'ord' modifier. This 371/// prints the ordinal form of the given integer, with 1 corresponding 372/// to the first ordinal. Currently this is hard-coded to use the 373/// English form. 374static void HandleOrdinalModifier(unsigned ValNo, 375 llvm::SmallVectorImpl<char> &OutStr) { 376 assert(ValNo != 0 && "ValNo must be strictly positive!"); 377 378 llvm::raw_svector_ostream Out(OutStr); 379 380 // We could use text forms for the first N ordinals, but the numeric 381 // forms are actually nicer in diagnostics because they stand out. 382 Out << ValNo; 383 384 // It is critically important that we do this perfectly for 385 // user-written sequences with over 100 elements. 386 switch (ValNo % 100) { 387 case 11: 388 case 12: 389 case 13: 390 Out << "th"; return; 391 default: 392 switch (ValNo % 10) { 393 case 1: Out << "st"; return; 394 case 2: Out << "nd"; return; 395 case 3: Out << "rd"; return; 396 default: Out << "th"; return; 397 } 398 } 399} 400 401 402/// PluralNumber - Parse an unsigned integer and advance Start. 403static unsigned PluralNumber(const char *&Start, const char *End) { 404 // Programming 101: Parse a decimal number :-) 405 unsigned Val = 0; 406 while (Start != End && *Start >= '0' && *Start <= '9') { 407 Val *= 10; 408 Val += *Start - '0'; 409 ++Start; 410 } 411 return Val; 412} 413 414/// TestPluralRange - Test if Val is in the parsed range. Modifies Start. 415static bool TestPluralRange(unsigned Val, const char *&Start, const char *End) { 416 if (*Start != '[') { 417 unsigned Ref = PluralNumber(Start, End); 418 return Ref == Val; 419 } 420 421 ++Start; 422 unsigned Low = PluralNumber(Start, End); 423 assert(*Start == ',' && "Bad plural expression syntax: expected ,"); 424 ++Start; 425 unsigned High = PluralNumber(Start, End); 426 assert(*Start == ']' && "Bad plural expression syntax: expected )"); 427 ++Start; 428 return Low <= Val && Val <= High; 429} 430 431/// EvalPluralExpr - Actual expression evaluator for HandlePluralModifier. 432static bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End) { 433 // Empty condition? 434 if (*Start == ':') 435 return true; 436 437 while (1) { 438 char C = *Start; 439 if (C == '%') { 440 // Modulo expression 441 ++Start; 442 unsigned Arg = PluralNumber(Start, End); 443 assert(*Start == '=' && "Bad plural expression syntax: expected ="); 444 ++Start; 445 unsigned ValMod = ValNo % Arg; 446 if (TestPluralRange(ValMod, Start, End)) 447 return true; 448 } else { 449 assert((C == '[' || (C >= '0' && C <= '9')) && 450 "Bad plural expression syntax: unexpected character"); 451 // Range expression 452 if (TestPluralRange(ValNo, Start, End)) 453 return true; 454 } 455 456 // Scan for next or-expr part. 457 Start = std::find(Start, End, ','); 458 if (Start == End) 459 break; 460 ++Start; 461 } 462 return false; 463} 464 465/// HandlePluralModifier - Handle the integer 'plural' modifier. This is used 466/// for complex plural forms, or in languages where all plurals are complex. 467/// The syntax is: %plural{cond1:form1|cond2:form2|:form3}, where condn are 468/// conditions that are tested in order, the form corresponding to the first 469/// that applies being emitted. The empty condition is always true, making the 470/// last form a default case. 471/// Conditions are simple boolean expressions, where n is the number argument. 472/// Here are the rules. 473/// condition := expression | empty 474/// empty := -> always true 475/// expression := numeric [',' expression] -> logical or 476/// numeric := range -> true if n in range 477/// | '%' number '=' range -> true if n % number in range 478/// range := number 479/// | '[' number ',' number ']' -> ranges are inclusive both ends 480/// 481/// Here are some examples from the GNU gettext manual written in this form: 482/// English: 483/// {1:form0|:form1} 484/// Latvian: 485/// {0:form2|%100=11,%10=0,%10=[2,9]:form1|:form0} 486/// Gaeilge: 487/// {1:form0|2:form1|:form2} 488/// Romanian: 489/// {1:form0|0,%100=[1,19]:form1|:form2} 490/// Lithuanian: 491/// {%10=0,%100=[10,19]:form2|%10=1:form0|:form1} 492/// Russian (requires repeated form): 493/// {%100=[11,14]:form2|%10=1:form0|%10=[2,4]:form1|:form2} 494/// Slovak 495/// {1:form0|[2,4]:form1|:form2} 496/// Polish (requires repeated form): 497/// {1:form0|%100=[10,20]:form2|%10=[2,4]:form1|:form2} 498static void HandlePluralModifier(const DiagnosticInfo &DInfo, unsigned ValNo, 499 const char *Argument, unsigned ArgumentLen, 500 llvm::SmallVectorImpl<char> &OutStr) { 501 const char *ArgumentEnd = Argument + ArgumentLen; 502 while (1) { 503 assert(Argument < ArgumentEnd && "Plural expression didn't match."); 504 const char *ExprEnd = Argument; 505 while (*ExprEnd != ':') { 506 assert(ExprEnd != ArgumentEnd && "Plural missing expression end"); 507 ++ExprEnd; 508 } 509 if (EvalPluralExpr(ValNo, Argument, ExprEnd)) { 510 Argument = ExprEnd + 1; 511 ExprEnd = ScanFormat(Argument, ArgumentEnd, '|'); 512 513 // Recursively format the result of the plural clause into the 514 // output string. 515 DInfo.FormatDiagnostic(Argument, ExprEnd, OutStr); 516 return; 517 } 518 Argument = ScanFormat(Argument, ArgumentEnd - 1, '|') + 1; 519 } 520} 521 522 523/// FormatDiagnostic - Format this diagnostic into a string, substituting the 524/// formal arguments into the %0 slots. The result is appended onto the Str 525/// array. 526void DiagnosticInfo:: 527FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { 528 if (!StoredDiagMessage.empty()) { 529 OutStr.append(StoredDiagMessage.begin(), StoredDiagMessage.end()); 530 return; 531 } 532 533 llvm::StringRef Diag = 534 getDiags()->getDiagnosticIDs()->getDescription(getID()); 535 536 FormatDiagnostic(Diag.begin(), Diag.end(), OutStr); 537} 538 539void DiagnosticInfo:: 540FormatDiagnostic(const char *DiagStr, const char *DiagEnd, 541 llvm::SmallVectorImpl<char> &OutStr) const { 542 543 /// FormattedArgs - Keep track of all of the arguments formatted by 544 /// ConvertArgToString and pass them into subsequent calls to 545 /// ConvertArgToString, allowing the implementation to avoid redundancies in 546 /// obvious cases. 547 llvm::SmallVector<Diagnostic::ArgumentValue, 8> FormattedArgs; 548 549 /// QualTypeVals - Pass a vector of arrays so that QualType names can be 550 /// compared to see if more information is needed to be printed. 551 llvm::SmallVector<intptr_t, 2> QualTypeVals; 552 for (unsigned i = 0, e = getNumArgs(); i < e; ++i) 553 if (getArgKind(i) == Diagnostic::ak_qualtype) 554 QualTypeVals.push_back(getRawArg(i)); 555 556 while (DiagStr != DiagEnd) { 557 if (DiagStr[0] != '%') { 558 // Append non-%0 substrings to Str if we have one. 559 const char *StrEnd = std::find(DiagStr, DiagEnd, '%'); 560 OutStr.append(DiagStr, StrEnd); 561 DiagStr = StrEnd; 562 continue; 563 } else if (ispunct(DiagStr[1])) { 564 OutStr.push_back(DiagStr[1]); // %% -> %. 565 DiagStr += 2; 566 continue; 567 } 568 569 // Skip the %. 570 ++DiagStr; 571 572 // This must be a placeholder for a diagnostic argument. The format for a 573 // placeholder is one of "%0", "%modifier0", or "%modifier{arguments}0". 574 // The digit is a number from 0-9 indicating which argument this comes from. 575 // The modifier is a string of digits from the set [-a-z]+, arguments is a 576 // brace enclosed string. 577 const char *Modifier = 0, *Argument = 0; 578 unsigned ModifierLen = 0, ArgumentLen = 0; 579 580 // Check to see if we have a modifier. If so eat it. 581 if (!isdigit(DiagStr[0])) { 582 Modifier = DiagStr; 583 while (DiagStr[0] == '-' || 584 (DiagStr[0] >= 'a' && DiagStr[0] <= 'z')) 585 ++DiagStr; 586 ModifierLen = DiagStr-Modifier; 587 588 // If we have an argument, get it next. 589 if (DiagStr[0] == '{') { 590 ++DiagStr; // Skip {. 591 Argument = DiagStr; 592 593 DiagStr = ScanFormat(DiagStr, DiagEnd, '}'); 594 assert(DiagStr != DiagEnd && "Mismatched {}'s in diagnostic string!"); 595 ArgumentLen = DiagStr-Argument; 596 ++DiagStr; // Skip }. 597 } 598 } 599 600 assert(isdigit(*DiagStr) && "Invalid format for argument in diagnostic"); 601 unsigned ArgNo = *DiagStr++ - '0'; 602 603 Diagnostic::ArgumentKind Kind = getArgKind(ArgNo); 604 605 switch (Kind) { 606 // ---- STRINGS ---- 607 case Diagnostic::ak_std_string: { 608 const std::string &S = getArgStdStr(ArgNo); 609 assert(ModifierLen == 0 && "No modifiers for strings yet"); 610 OutStr.append(S.begin(), S.end()); 611 break; 612 } 613 case Diagnostic::ak_c_string: { 614 const char *S = getArgCStr(ArgNo); 615 assert(ModifierLen == 0 && "No modifiers for strings yet"); 616 617 // Don't crash if get passed a null pointer by accident. 618 if (!S) 619 S = "(null)"; 620 621 OutStr.append(S, S + strlen(S)); 622 break; 623 } 624 // ---- INTEGERS ---- 625 case Diagnostic::ak_sint: { 626 int Val = getArgSInt(ArgNo); 627 628 if (ModifierIs(Modifier, ModifierLen, "select")) { 629 HandleSelectModifier(*this, (unsigned)Val, Argument, ArgumentLen, 630 OutStr); 631 } else if (ModifierIs(Modifier, ModifierLen, "s")) { 632 HandleIntegerSModifier(Val, OutStr); 633 } else if (ModifierIs(Modifier, ModifierLen, "plural")) { 634 HandlePluralModifier(*this, (unsigned)Val, Argument, ArgumentLen, 635 OutStr); 636 } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) { 637 HandleOrdinalModifier((unsigned)Val, OutStr); 638 } else { 639 assert(ModifierLen == 0 && "Unknown integer modifier"); 640 llvm::raw_svector_ostream(OutStr) << Val; 641 } 642 break; 643 } 644 case Diagnostic::ak_uint: { 645 unsigned Val = getArgUInt(ArgNo); 646 647 if (ModifierIs(Modifier, ModifierLen, "select")) { 648 HandleSelectModifier(*this, Val, Argument, ArgumentLen, OutStr); 649 } else if (ModifierIs(Modifier, ModifierLen, "s")) { 650 HandleIntegerSModifier(Val, OutStr); 651 } else if (ModifierIs(Modifier, ModifierLen, "plural")) { 652 HandlePluralModifier(*this, (unsigned)Val, Argument, ArgumentLen, 653 OutStr); 654 } else if (ModifierIs(Modifier, ModifierLen, "ordinal")) { 655 HandleOrdinalModifier(Val, OutStr); 656 } else { 657 assert(ModifierLen == 0 && "Unknown integer modifier"); 658 llvm::raw_svector_ostream(OutStr) << Val; 659 } 660 break; 661 } 662 // ---- NAMES and TYPES ---- 663 case Diagnostic::ak_identifierinfo: { 664 const IdentifierInfo *II = getArgIdentifier(ArgNo); 665 assert(ModifierLen == 0 && "No modifiers for strings yet"); 666 667 // Don't crash if get passed a null pointer by accident. 668 if (!II) { 669 const char *S = "(null)"; 670 OutStr.append(S, S + strlen(S)); 671 continue; 672 } 673 674 llvm::raw_svector_ostream(OutStr) << '\'' << II->getName() << '\''; 675 break; 676 } 677 case Diagnostic::ak_qualtype: 678 case Diagnostic::ak_declarationname: 679 case Diagnostic::ak_nameddecl: 680 case Diagnostic::ak_nestednamespec: 681 case Diagnostic::ak_declcontext: 682 getDiags()->ConvertArgToString(Kind, getRawArg(ArgNo), 683 Modifier, ModifierLen, 684 Argument, ArgumentLen, 685 FormattedArgs.data(), FormattedArgs.size(), 686 OutStr, QualTypeVals); 687 break; 688 } 689 690 // Remember this argument info for subsequent formatting operations. Turn 691 // std::strings into a null terminated string to make it be the same case as 692 // all the other ones. 693 if (Kind != Diagnostic::ak_std_string) 694 FormattedArgs.push_back(std::make_pair(Kind, getRawArg(ArgNo))); 695 else 696 FormattedArgs.push_back(std::make_pair(Diagnostic::ak_c_string, 697 (intptr_t)getArgStdStr(ArgNo).c_str())); 698 699 } 700} 701 702StoredDiagnostic::StoredDiagnostic() { } 703 704StoredDiagnostic::StoredDiagnostic(Diagnostic::Level Level, unsigned ID, 705 llvm::StringRef Message) 706 : ID(ID), Level(Level), Loc(), Message(Message) { } 707 708StoredDiagnostic::StoredDiagnostic(Diagnostic::Level Level, 709 const DiagnosticInfo &Info) 710 : ID(Info.getID()), Level(Level) 711{ 712 assert((Info.getLocation().isInvalid() || Info.hasSourceManager()) && 713 "Valid source location without setting a source manager for diagnostic"); 714 if (Info.getLocation().isValid()) 715 Loc = FullSourceLoc(Info.getLocation(), Info.getSourceManager()); 716 llvm::SmallString<64> Message; 717 Info.FormatDiagnostic(Message); 718 this->Message.assign(Message.begin(), Message.end()); 719 720 Ranges.reserve(Info.getNumRanges()); 721 for (unsigned I = 0, N = Info.getNumRanges(); I != N; ++I) 722 Ranges.push_back(Info.getRange(I)); 723 724 FixIts.reserve(Info.getNumFixItHints()); 725 for (unsigned I = 0, N = Info.getNumFixItHints(); I != N; ++I) 726 FixIts.push_back(Info.getFixItHint(I)); 727} 728 729StoredDiagnostic::~StoredDiagnostic() { } 730 731/// IncludeInDiagnosticCounts - This method (whose default implementation 732/// returns true) indicates whether the diagnostics handled by this 733/// DiagnosticClient should be included in the number of diagnostics 734/// reported by Diagnostic. 735bool DiagnosticClient::IncludeInDiagnosticCounts() const { return true; } 736 737PartialDiagnostic::StorageAllocator::StorageAllocator() { 738 for (unsigned I = 0; I != NumCached; ++I) 739 FreeList[I] = Cached + I; 740 NumFreeListEntries = NumCached; 741} 742 743PartialDiagnostic::StorageAllocator::~StorageAllocator() { 744 // Don't assert if we are in a CrashRecovery context, as this 745 // invariant may be invalidated during a crash. 746 assert((NumFreeListEntries == NumCached || llvm::CrashRecoveryContext::isRecoveringFromCrash()) && "A partial is on the lamb"); 747} 748