Diagnostic.cpp revision 22caddc91d2f6186739c6b20ec58ed38cd68e595
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Diagnostic.cpp - C Language Family Diagnostic Handling -----------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the Diagnostic-related interfaces. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/Diagnostic.h" 1543b628cd47ecdc3caf640d79b3ad7ecef0f2c285Chris Lattner#include "clang/Basic/IdentifierTable.h" 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 17f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner#include "llvm/ADT/SmallVector.h" 1830bc96544346bea42921cf6837e66cef80d664b4Chris Lattner#include "llvm/ADT/StringExtras.h" 19182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner#include <vector> 20182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner#include <map> 2187cf5ac1b046a1db874b77dcb6e35f9c4b88c386Chris Lattner#include <cstring> 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner//===----------------------------------------------------------------------===// 25182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner// Builtin Diagnostic information 26182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner//===----------------------------------------------------------------------===// 27182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Flag values for diagnostics. 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum { 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Diagnostic classes. 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NOTE = 0x01, 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer WARNING = 0x02, 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EXTENSION = 0x03, 344489fe10fa073eb326e2c8906db170f009050911Daniel Dunbar EXTWARN = 0x04, 354489fe10fa073eb326e2c8906db170f009050911Daniel Dunbar ERROR = 0x05, 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class_mask = 0x07 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DiagnosticFlags - A set of flags, or'd together, that describe the 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// diagnostic. 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerstatic unsigned char DiagnosticFlags[] = { 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define DIAG(ENUM,FLAGS,DESC) FLAGS, 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/DiagnosticKinds.def" 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 0 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getDiagClass - Return the class field of the diagnostic. 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 490750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattnerstatic unsigned getBuiltinDiagClass(unsigned DiagID) { 500750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner assert(DiagID < diag::NUM_BUILTIN_DIAGNOSTICS && 510750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner "Diagnostic ID out of range!"); 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return DiagnosticFlags[DiagID] & class_mask; 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DiagnosticText - An english message to print for the diagnostic. These 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// should be localized. 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerstatic const char * const DiagnosticText[] = { 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define DIAG(ENUM,FLAGS,DESC) DESC, 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/DiagnosticKinds.def" 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 0 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 63182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner//===----------------------------------------------------------------------===// 64182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner// Custom Diagnostic information 65182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner//===----------------------------------------------------------------------===// 66182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 67182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattnernamespace clang { 68182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner namespace diag { 69182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner class CustomDiagInfo { 70182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner typedef std::pair<Diagnostic::Level, std::string> DiagDesc; 71182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner std::vector<DiagDesc> DiagInfo; 72182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner std::map<DiagDesc, unsigned> DiagIDs; 73182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner public: 74182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 75182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// getDescription - Return the description of the specified custom 76182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// diagnostic. 77182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner const char *getDescription(unsigned DiagID) const { 78182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner assert(this && DiagID-diag::NUM_BUILTIN_DIAGNOSTICS < DiagInfo.size() && 79182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner "Invalid diagnosic ID"); 80182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner return DiagInfo[DiagID-diag::NUM_BUILTIN_DIAGNOSTICS].second.c_str(); 81182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner } 82182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 83182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// getLevel - Return the level of the specified custom diagnostic. 84182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner Diagnostic::Level getLevel(unsigned DiagID) const { 85182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner assert(this && DiagID-diag::NUM_BUILTIN_DIAGNOSTICS < DiagInfo.size() && 86182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner "Invalid diagnosic ID"); 87182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner return DiagInfo[DiagID-diag::NUM_BUILTIN_DIAGNOSTICS].first; 88182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner } 89182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 90a1f23cc7f5dae8b71b8ee631994274609d35eb89Chris Lattner unsigned getOrCreateDiagID(Diagnostic::Level L, const char *Message, 91a1f23cc7f5dae8b71b8ee631994274609d35eb89Chris Lattner Diagnostic &Diags) { 92182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner DiagDesc D(L, Message); 93182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // Check to see if it already exists. 94182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner std::map<DiagDesc, unsigned>::iterator I = DiagIDs.lower_bound(D); 95182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner if (I != DiagIDs.end() && I->first == D) 96182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner return I->second; 97182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 98182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // If not, assign a new ID. 99182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner unsigned ID = DiagInfo.size()+diag::NUM_BUILTIN_DIAGNOSTICS; 100182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner DiagIDs.insert(std::make_pair(D, ID)); 101182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner DiagInfo.push_back(D); 102a1f23cc7f5dae8b71b8ee631994274609d35eb89Chris Lattner 103a1f23cc7f5dae8b71b8ee631994274609d35eb89Chris Lattner // If this is a warning, and all warnings are supposed to map to errors, 104a1f23cc7f5dae8b71b8ee631994274609d35eb89Chris Lattner // insert the mapping now. 105a1f23cc7f5dae8b71b8ee631994274609d35eb89Chris Lattner if (L == Diagnostic::Warning && Diags.getWarningsAsErrors()) 106a1f23cc7f5dae8b71b8ee631994274609d35eb89Chris Lattner Diags.setDiagnosticMapping((diag::kind)ID, diag::MAP_ERROR); 107182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner return ID; 108182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner } 109182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner }; 110182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 111182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner } // end diag namespace 112182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner} // end clang namespace 113182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 114182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 115182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner//===----------------------------------------------------------------------===// 116182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner// Common Diagnostic implementation 117182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner//===----------------------------------------------------------------------===// 118182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 11922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerstatic void DummyQTToStringFnTy(intptr_t QT, const char *Modifier, unsigned ML, 12022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner const char *Argument, unsigned ArgLen, 12122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner llvm::SmallVectorImpl<char> &Output) { 12222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner const char *Str = "<can't format QualType>"; 12322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Output.append(Str, Str+strlen(Str)); 12422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 12522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 12622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 127b4398aa27da4d6919c3ae448d1ae66ba6cafc048Ted KremenekDiagnostic::Diagnostic(DiagnosticClient *client) : Client(client) { 1285b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner IgnoreAllWarnings = false; 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer WarningsAsErrors = false; 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer WarnOnExtensions = false; 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ErrorOnExtensions = false; 1322fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar SuppressSystemWarnings = false; 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Clear all mappings, setting them to MAP_DEFAULT. 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer memset(DiagMappings, 0, sizeof(DiagMappings)); 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ErrorOccurred = false; 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NumDiagnostics = 0; 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NumErrors = 0; 139182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner CustomDiagInfo = 0; 1403cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner CurDiagID = ~0U; 14122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 14222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualTypeToString = DummyQTToStringFnTy; 143182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner} 144182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 145182745ae7892bca0842d9c023370ade5f8d1c6e8Chris LattnerDiagnostic::~Diagnostic() { 146182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner delete CustomDiagInfo; 147182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner} 148182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 149182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner/// getCustomDiagID - Return an ID for a diagnostic with the specified message 150182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner/// and level. If this is the first request for this diagnosic, it is 151182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner/// registered and created, otherwise the existing ID is returned. 152182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattnerunsigned Diagnostic::getCustomDiagID(Level L, const char *Message) { 153182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner if (CustomDiagInfo == 0) 154182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner CustomDiagInfo = new diag::CustomDiagInfo(); 155a1f23cc7f5dae8b71b8ee631994274609d35eb89Chris Lattner return CustomDiagInfo->getOrCreateDiagID(L, Message, *this); 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 158182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 1590750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner/// isBuiltinNoteWarningOrExtension - Return true if the unmapped diagnostic 1600750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner/// level of the specified diagnostic ID is a Note, Warning, or Extension. 1610750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner/// Note that this only works on builtin diagnostics, not custom ones. 1620750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattnerbool Diagnostic::isBuiltinNoteWarningOrExtension(unsigned DiagID) { 1630750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner return DiagID < diag::NUM_BUILTIN_DIAGNOSTICS && 1640750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner getBuiltinDiagClass(DiagID) < ERROR; 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getDescription - Given a diagnostic ID, return a description of the 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// issue. 1700a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattnerconst char *Diagnostic::getDescription(unsigned DiagID) const { 1710750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner if (DiagID < diag::NUM_BUILTIN_DIAGNOSTICS) 1720750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner return DiagnosticText[DiagID]; 1730750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner else 174182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner return CustomDiagInfo->getDescription(DiagID); 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getDiagnosticLevel - Based on the way the client configured the Diagnostic 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// object, classify the specified diagnostic ID into a Level, consumable by 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the DiagnosticClient. 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerDiagnostic::Level Diagnostic::getDiagnosticLevel(unsigned DiagID) const { 181182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // Handle custom diagnostics, which cannot be mapped. 182182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner if (DiagID >= diag::NUM_BUILTIN_DIAGNOSTICS) 183182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner return CustomDiagInfo->getLevel(DiagID); 1840750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner 1850750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner unsigned DiagClass = getBuiltinDiagClass(DiagID); 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Specific non-error diagnostics may be mapped to various levels from ignored 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // to error. 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DiagClass < ERROR) { 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (getDiagnosticMapping((diag::kind)DiagID)) { 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case diag::MAP_DEFAULT: break; 1925b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner case diag::MAP_IGNORE: return Diagnostic::Ignored; 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case diag::MAP_WARNING: DiagClass = WARNING; break; 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case diag::MAP_ERROR: DiagClass = ERROR; break; 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Map diagnostic classes based on command line argument settings. 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DiagClass == EXTENSION) { 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ErrorOnExtensions) 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DiagClass = ERROR; 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (WarnOnExtensions) 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DiagClass = WARNING; 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Ignored; 2064489fe10fa073eb326e2c8906db170f009050911Daniel Dunbar } else if (DiagClass == EXTWARN) { 2074489fe10fa073eb326e2c8906db170f009050911Daniel Dunbar DiagClass = ErrorOnExtensions ? ERROR : WARNING; 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2105b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner // If warnings are globally mapped to ignore or error, do it. 2115b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner if (DiagClass == WARNING) { 2125b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner if (IgnoreAllWarnings) 2135b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner return Diagnostic::Ignored; 2145b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner if (WarningsAsErrors) 2155b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner DiagClass = ERROR; 2165b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner } 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (DiagClass) { 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown diagnostic class!"); 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case NOTE: return Diagnostic::Note; 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case WARNING: return Diagnostic::Warning; 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case ERROR: return Diagnostic::Error; 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2260a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner/// ProcessDiag - This is the method used to report a diagnostic that is 2270a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner/// finally fully formed. 2283cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnervoid Diagnostic::ProcessDiag() { 2293cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DiagnosticInfo Info(this); 2303cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Figure out the diagnostic level of this message. 2320a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Diagnostic::Level DiagLevel = getDiagnosticLevel(Info.getID()); 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the client doesn't care about this message, don't issue it. 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DiagLevel == Diagnostic::Ignored) 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return; 2377bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 2387bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber // If this is not an error and we are in a system header, ignore it. We 2390a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // have to check on the original Diag ID here, because we also want to 2407bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber // ignore extensions and warnings in -Werror and -pedantic-errors modes, 2417bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber // which *map* warnings/extensions to errors. 2422fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar if (SuppressSystemWarnings && 2430a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Info.getID() < diag::NUM_BUILTIN_DIAGNOSTICS && 2440a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner getBuiltinDiagClass(Info.getID()) != ERROR && 2450a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Info.getLocation().isValid() && 2460a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Info.getLocation().getPhysicalLoc().isInSystemHeader()) 2477097d9167dc6b5d6ab5ebf149b296a43939d4b36Chris Lattner return; 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DiagLevel >= Diagnostic::Error) { 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ErrorOccurred = true; 2517bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 2520a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner ++NumErrors; 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Finally, report it. 2560a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Client->HandleDiagnostic(DiagLevel, Info); 2570a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner ++NumDiagnostics; 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2607bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerDiagnosticClient::~DiagnosticClient() {} 2627bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 263f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner 264af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// ModifierIs - Return true if the specified modifier matches specified string. 265af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattnertemplate <std::size_t StrLen> 266af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattnerstatic bool ModifierIs(const char *Modifier, unsigned ModifierLen, 267af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char (&Str)[StrLen]) { 268af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner return StrLen-1 == ModifierLen && !memcmp(Modifier, Str, StrLen-1); 269af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner} 270af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 271af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// HandleSelectModifier - Handle the integer 'select' modifier. This is used 272af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// like this: %select{foo|bar|baz}2. This means that the integer argument 273af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// "%2" has a value from 0-2. If the value is 0, the diagnostic prints 'foo'. 274af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// If the value is 1, it prints 'bar'. If it has the value 2, it prints 'baz'. 275af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// This is very useful for certain classes of variant diagnostics. 276af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattnerstatic void HandleSelectModifier(unsigned ValNo, 277af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *Argument, unsigned ArgumentLen, 278af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner llvm::SmallVectorImpl<char> &OutStr) { 279af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *ArgumentEnd = Argument+ArgumentLen; 280af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 281af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Skip over 'ValNo' |'s. 282af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner while (ValNo) { 283af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *NextVal = std::find(Argument, ArgumentEnd, '|'); 284af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(NextVal != ArgumentEnd && "Value for integer select modifier was" 285af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner " larger than the number of options in the diagnostic string!"); 286af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner Argument = NextVal+1; // Skip this string. 287af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner --ValNo; 288af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 289af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 290af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Get the end of the value. This is either the } or the |. 291af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *EndPtr = std::find(Argument, ArgumentEnd, '|'); 292af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Add the value to the output string. 293af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.append(Argument, EndPtr); 294af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner} 295af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 296af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// HandleIntegerSModifier - Handle the integer 's' modifier. This adds the 297af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// letter 's' to the string if the value is not 1. This is used in cases like 298af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// this: "you idiot, you have %4 parameter%s4!". 299af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattnerstatic void HandleIntegerSModifier(unsigned ValNo, 300af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner llvm::SmallVectorImpl<char> &OutStr) { 301af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (ValNo != 1) 302af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.push_back('s'); 303af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner} 304af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 305af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 306e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// PluralNumber - Parse an unsigned integer and advance Start. 307e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redlstatic unsigned PluralNumber(const char *&Start, const char *End) 308e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl{ 309e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl // Programming 101: Parse a decimal number :-) 310e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl unsigned Val = 0; 311e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl while (Start != End && *Start >= '0' && *Start <= '9') { 312e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl Val *= 10; 313e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl Val += *Start - '0'; 314e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl ++Start; 315e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } 316e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl return Val; 317e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl} 318e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl 319e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// TestPluralRange - Test if Val is in the parsed range. Modifies Start. 320e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redlstatic bool TestPluralRange(unsigned Val, const char *&Start, const char *End) 321e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl{ 322e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl if (*Start != '[') { 323e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl unsigned Ref = PluralNumber(Start, End); 324e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl return Ref == Val; 325e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } 326e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl 327e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl ++Start; 328e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl unsigned Low = PluralNumber(Start, End); 329e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl assert(*Start == ',' && "Bad plural expression syntax: expected ,"); 330e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl ++Start; 331e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl unsigned High = PluralNumber(Start, End); 332e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl assert(*Start == ']' && "Bad plural expression syntax: expected )"); 333e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl ++Start; 334e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl return Low <= Val && Val <= High; 335e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl} 336e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl 337e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// EvalPluralExpr - Actual expression evaluator for HandlePluralModifier. 338e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redlstatic bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End) 339e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl{ 340e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl // Empty condition? 341e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl if (*Start == ':') 342e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl return true; 343e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl 344e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl while (1) { 345e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl char C = *Start; 346e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl if (C == '%') { 347e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl // Modulo expression 348e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl ++Start; 349e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl unsigned Arg = PluralNumber(Start, End); 350e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl assert(*Start == '=' && "Bad plural expression syntax: expected ="); 351e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl ++Start; 352e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl unsigned ValMod = ValNo % Arg; 353e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl if (TestPluralRange(ValMod, Start, End)) 354e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl return true; 355e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } else { 356e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl assert(C == '[' || (C >= '0' && C <= '9') && 357e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl "Bad plural expression syntax: unexpected character"); 358e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl // Range expression 359e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl if (TestPluralRange(ValNo, Start, End)) 360e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl return true; 361e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } 362e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl 363e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl // Scan for next or-expr part. 364e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl Start = std::find(Start, End, ','); 365e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl if(Start == End) 366e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl break; 367e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl ++Start; 368e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } 369e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl return false; 370e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl} 371e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl 372e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// HandlePluralModifier - Handle the integer 'plural' modifier. This is used 373e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// for complex plural forms, or in languages where all plurals are complex. 374e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// The syntax is: %plural{cond1:form1|cond2:form2|:form3}, where condn are 375e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// conditions that are tested in order, the form corresponding to the first 376e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// that applies being emitted. The empty condition is always true, making the 377e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// last form a default case. 378e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Conditions are simple boolean expressions, where n is the number argument. 379e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Here are the rules. 380e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// condition := expression | empty 381e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// empty := -> always true 382e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// expression := numeric [',' expression] -> logical or 383e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// numeric := range -> true if n in range 384e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// | '%' number '=' range -> true if n % number in range 385e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// range := number 386e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// | '[' number ',' number ']' -> ranges are inclusive both ends 387e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// 388e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Here are some examples from the GNU gettext manual written in this form: 389e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// English: 390e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// {1:form0|:form1} 391e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Latvian: 392e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// {0:form2|%100=11,%10=0,%10=[2,9]:form1|:form0} 393e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Gaeilge: 394e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// {1:form0|2:form1|:form2} 395e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Romanian: 396e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// {1:form0|0,%100=[1,19]:form1|:form2} 397e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Lithuanian: 398e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// {%10=0,%100=[10,19]:form2|%10=1:form0|:form1} 399e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Russian (requires repeated form): 400e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// {%100=[11,14]:form2|%10=1:form0|%10=[2,4]:form1|:form2} 401e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Slovak 402e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// {1:form0|[2,4]:form1|:form2} 403e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// Polish (requires repeated form): 404e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl/// {1:form0|%100=[10,20]:form2|%10=[2,4]:form1|:form2} 405e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redlstatic void HandlePluralModifier(unsigned ValNo, 406e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl const char *Argument, unsigned ArgumentLen, 407e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl llvm::SmallVectorImpl<char> &OutStr) 408e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl{ 409e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl const char *ArgumentEnd = Argument + ArgumentLen; 410e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl while (1) { 411e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl assert(Argument < ArgumentEnd && "Plural expression didn't match."); 412e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl const char *ExprEnd = Argument; 413e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl while (*ExprEnd != ':') { 414e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl assert(ExprEnd != ArgumentEnd && "Plural missing expression end"); 415e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl ++ExprEnd; 416e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } 417e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl if (EvalPluralExpr(ValNo, Argument, ExprEnd)) { 418e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl Argument = ExprEnd + 1; 419e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl ExprEnd = std::find(Argument, ArgumentEnd, '|'); 420e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl OutStr.append(Argument, ExprEnd); 421e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl return; 422e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } 423e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl Argument = std::find(Argument, ArgumentEnd - 1, '|') + 1; 424e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } 425e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl} 426e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl 427e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl 428f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner/// FormatDiagnostic - Format this diagnostic into a string, substituting the 429f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner/// formal arguments into the %0 slots. The result is appended onto the Str 430f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner/// array. 431f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattnervoid DiagnosticInfo:: 432f4c839657742b823cea1a95b18422f1ba74d3dddChris LattnerFormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { 433f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner const char *DiagStr = getDiags()->getDescription(getID()); 434f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner const char *DiagEnd = DiagStr+strlen(DiagStr); 4357bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 436f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner while (DiagStr != DiagEnd) { 437f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner if (DiagStr[0] != '%') { 438f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner // Append non-%0 substrings to Str if we have one. 439f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner const char *StrEnd = std::find(DiagStr, DiagEnd, '%'); 440f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner OutStr.append(DiagStr, StrEnd); 441f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner DiagStr = StrEnd; 442af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner continue; 443f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner } else if (DiagStr[1] == '%') { 444f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner OutStr.push_back('%'); // %% -> %. 445f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner DiagStr += 2; 446af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner continue; 447af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 448af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 449af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Skip the %. 450af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ++DiagStr; 451af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 452af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // This must be a placeholder for a diagnostic argument. The format for a 453af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // placeholder is one of "%0", "%modifier0", or "%modifier{arguments}0". 454af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // The digit is a number from 0-9 indicating which argument this comes from. 455af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // The modifier is a string of digits from the set [-a-z]+, arguments is a 456af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // brace enclosed string. 457af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *Modifier = 0, *Argument = 0; 458af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner unsigned ModifierLen = 0, ArgumentLen = 0; 459af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 460af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Check to see if we have a modifier. If so eat it. 461af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (!isdigit(DiagStr[0])) { 462af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner Modifier = DiagStr; 463af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner while (DiagStr[0] == '-' || 464af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner (DiagStr[0] >= 'a' && DiagStr[0] <= 'z')) 465af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ++DiagStr; 466af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ModifierLen = DiagStr-Modifier; 467f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner 468af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // If we have an argument, get it next. 469af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (DiagStr[0] == '{') { 470af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ++DiagStr; // Skip {. 471af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner Argument = DiagStr; 472af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 473af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner for (; DiagStr[0] != '}'; ++DiagStr) 474af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(DiagStr[0] && "Mismatched {}'s in diagnostic string!"); 475af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ArgumentLen = DiagStr-Argument; 476af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ++DiagStr; // Skip }. 477f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner } 478af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 479af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 480af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(isdigit(*DiagStr) && "Invalid format for argument in diagnostic"); 48122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner unsigned ArgNo = *DiagStr++ - '0'; 482af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 48322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner switch (getArgKind(ArgNo)) { 4843cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner case Diagnostic::ak_std_string: { 48522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner const std::string &S = getArgStdStr(ArgNo); 486af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "No modifiers for strings yet"); 487af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.append(S.begin(), S.end()); 488af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner break; 489af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 4903cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner case Diagnostic::ak_c_string: { 49122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner const char *S = getArgCStr(ArgNo); 492af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "No modifiers for strings yet"); 493af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.append(S, S + strlen(S)); 494af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner break; 495af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 4963cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner case Diagnostic::ak_identifierinfo: { 49722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner const IdentifierInfo *II = getArgIdentifier(ArgNo); 498af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "No modifiers for strings yet"); 499af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.append(II->getName(), II->getName() + II->getLength()); 500af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner break; 501af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 5023cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner case Diagnostic::ak_sint: { 50322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner int Val = getArgSInt(ArgNo); 504af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 505af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (ModifierIs(Modifier, ModifierLen, "select")) { 506af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner HandleSelectModifier((unsigned)Val, Argument, ArgumentLen, OutStr); 507af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } else if (ModifierIs(Modifier, ModifierLen, "s")) { 508af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner HandleIntegerSModifier(Val, OutStr); 509e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } else if (ModifierIs(Modifier, ModifierLen, "plural")) { 510e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl HandlePluralModifier((unsigned)Val, Argument, ArgumentLen, OutStr); 511af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } else { 512af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "Unknown integer modifier"); 51330bc96544346bea42921cf6837e66cef80d664b4Chris Lattner // FIXME: Optimize 514af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner std::string S = llvm::itostr(Val); 51530bc96544346bea42921cf6837e66cef80d664b4Chris Lattner OutStr.append(S.begin(), S.end()); 51630bc96544346bea42921cf6837e66cef80d664b4Chris Lattner } 517af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner break; 518af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 5193cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner case Diagnostic::ak_uint: { 52022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner unsigned Val = getArgUInt(ArgNo); 521af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 522af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (ModifierIs(Modifier, ModifierLen, "select")) { 523af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner HandleSelectModifier(Val, Argument, ArgumentLen, OutStr); 524af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } else if (ModifierIs(Modifier, ModifierLen, "s")) { 525af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner HandleIntegerSModifier(Val, OutStr); 526e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl } else if (ModifierIs(Modifier, ModifierLen, "plural")) { 527e4c452c4c7b9124fe94a96f559ff077d59cdf996Sebastian Redl HandlePluralModifier((unsigned)Val, Argument, ArgumentLen, OutStr); 528af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } else { 529af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "Unknown integer modifier"); 530af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 53130bc96544346bea42921cf6837e66cef80d664b4Chris Lattner // FIXME: Optimize 532af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner std::string S = llvm::utostr_32(Val); 53330bc96544346bea42921cf6837e66cef80d664b4Chris Lattner OutStr.append(S.begin(), S.end()); 53430bc96544346bea42921cf6837e66cef80d664b4Chris Lattner } 53522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner break; 536af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 53722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner case Diagnostic::ak_qualtype: 53822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner OutStr.push_back('\''); 53922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner getDiags()->ConvertQualTypeToString(getRawArg(ArgNo), 54022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Modifier, ModifierLen, 54122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Argument, ArgumentLen, OutStr); 54222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner OutStr.push_back('\''); 54322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner break; 5447bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber } 5457bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber } 5467bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber} 547