Diagnostic.cpp revision af7ae4e8160fc5c23e471f2125b3fe5911e3532a
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 119b4398aa27da4d6919c3ae448d1ae66ba6cafc048Ted KremenekDiagnostic::Diagnostic(DiagnosticClient *client) : Client(client) { 1205b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner IgnoreAllWarnings = false; 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer WarningsAsErrors = false; 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer WarnOnExtensions = false; 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ErrorOnExtensions = false; 1242fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar SuppressSystemWarnings = false; 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Clear all mappings, setting them to MAP_DEFAULT. 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer memset(DiagMappings, 0, sizeof(DiagMappings)); 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ErrorOccurred = false; 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NumDiagnostics = 0; 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NumErrors = 0; 131182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner CustomDiagInfo = 0; 1320a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner NumDiagArgs = -1; 133182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner} 134182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 135182745ae7892bca0842d9c023370ade5f8d1c6e8Chris LattnerDiagnostic::~Diagnostic() { 136182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner delete CustomDiagInfo; 137182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner} 138182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 139182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner/// getCustomDiagID - Return an ID for a diagnostic with the specified message 140182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner/// and level. If this is the first request for this diagnosic, it is 141182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner/// registered and created, otherwise the existing ID is returned. 142182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattnerunsigned Diagnostic::getCustomDiagID(Level L, const char *Message) { 143182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner if (CustomDiagInfo == 0) 144182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner CustomDiagInfo = new diag::CustomDiagInfo(); 145a1f23cc7f5dae8b71b8ee631994274609d35eb89Chris Lattner return CustomDiagInfo->getOrCreateDiagID(L, Message, *this); 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 148182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 1490750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner/// isBuiltinNoteWarningOrExtension - Return true if the unmapped diagnostic 1500750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner/// level of the specified diagnostic ID is a Note, Warning, or Extension. 1510750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner/// Note that this only works on builtin diagnostics, not custom ones. 1520750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattnerbool Diagnostic::isBuiltinNoteWarningOrExtension(unsigned DiagID) { 1530750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner return DiagID < diag::NUM_BUILTIN_DIAGNOSTICS && 1540750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner getBuiltinDiagClass(DiagID) < ERROR; 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getDescription - Given a diagnostic ID, return a description of the 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// issue. 1600a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattnerconst char *Diagnostic::getDescription(unsigned DiagID) const { 1610750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner if (DiagID < diag::NUM_BUILTIN_DIAGNOSTICS) 1620750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner return DiagnosticText[DiagID]; 1630750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner else 164182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner return CustomDiagInfo->getDescription(DiagID); 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getDiagnosticLevel - Based on the way the client configured the Diagnostic 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// object, classify the specified diagnostic ID into a Level, consumable by 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the DiagnosticClient. 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerDiagnostic::Level Diagnostic::getDiagnosticLevel(unsigned DiagID) const { 171182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // Handle custom diagnostics, which cannot be mapped. 172182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner if (DiagID >= diag::NUM_BUILTIN_DIAGNOSTICS) 173182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner return CustomDiagInfo->getLevel(DiagID); 1740750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner 1750750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner unsigned DiagClass = getBuiltinDiagClass(DiagID); 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Specific non-error diagnostics may be mapped to various levels from ignored 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // to error. 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DiagClass < ERROR) { 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (getDiagnosticMapping((diag::kind)DiagID)) { 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case diag::MAP_DEFAULT: break; 1825b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner case diag::MAP_IGNORE: return Diagnostic::Ignored; 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case diag::MAP_WARNING: DiagClass = WARNING; break; 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case diag::MAP_ERROR: DiagClass = ERROR; break; 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Map diagnostic classes based on command line argument settings. 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DiagClass == EXTENSION) { 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ErrorOnExtensions) 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DiagClass = ERROR; 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (WarnOnExtensions) 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DiagClass = WARNING; 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Ignored; 1964489fe10fa073eb326e2c8906db170f009050911Daniel Dunbar } else if (DiagClass == EXTWARN) { 1974489fe10fa073eb326e2c8906db170f009050911Daniel Dunbar DiagClass = ErrorOnExtensions ? ERROR : WARNING; 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2005b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner // If warnings are globally mapped to ignore or error, do it. 2015b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner if (DiagClass == WARNING) { 2025b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner if (IgnoreAllWarnings) 2035b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner return Diagnostic::Ignored; 2045b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner if (WarningsAsErrors) 2055b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner DiagClass = ERROR; 2065b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner } 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (DiagClass) { 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown diagnostic class!"); 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case NOTE: return Diagnostic::Note; 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case WARNING: return Diagnostic::Warning; 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case ERROR: return Diagnostic::Error; 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2160a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner/// ProcessDiag - This is the method used to report a diagnostic that is 2170a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner/// finally fully formed. 2180a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattnervoid Diagnostic::ProcessDiag(const DiagnosticInfo &Info) { 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Figure out the diagnostic level of this message. 2200a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Diagnostic::Level DiagLevel = getDiagnosticLevel(Info.getID()); 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the client doesn't care about this message, don't issue it. 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DiagLevel == Diagnostic::Ignored) 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return; 2257bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 2267bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber // If this is not an error and we are in a system header, ignore it. We 2270a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // have to check on the original Diag ID here, because we also want to 2287bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber // ignore extensions and warnings in -Werror and -pedantic-errors modes, 2297bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber // which *map* warnings/extensions to errors. 2302fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar if (SuppressSystemWarnings && 2310a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Info.getID() < diag::NUM_BUILTIN_DIAGNOSTICS && 2320a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner getBuiltinDiagClass(Info.getID()) != ERROR && 2330a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Info.getLocation().isValid() && 2340a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Info.getLocation().getPhysicalLoc().isInSystemHeader()) 2357097d9167dc6b5d6ab5ebf149b296a43939d4b36Chris Lattner return; 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DiagLevel >= Diagnostic::Error) { 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ErrorOccurred = true; 2397bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 2400a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner ++NumErrors; 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Finally, report it. 2440a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Client->HandleDiagnostic(DiagLevel, Info); 2450a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner ++NumDiagnostics; 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2487bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerDiagnosticClient::~DiagnosticClient() {} 2507bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 251f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner 252af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// ModifierIs - Return true if the specified modifier matches specified string. 253af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattnertemplate <std::size_t StrLen> 254af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattnerstatic bool ModifierIs(const char *Modifier, unsigned ModifierLen, 255af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char (&Str)[StrLen]) { 256af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner return StrLen-1 == ModifierLen && !memcmp(Modifier, Str, StrLen-1); 257af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner} 258af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 259af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// HandleSelectModifier - Handle the integer 'select' modifier. This is used 260af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// like this: %select{foo|bar|baz}2. This means that the integer argument 261af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// "%2" has a value from 0-2. If the value is 0, the diagnostic prints 'foo'. 262af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// If the value is 1, it prints 'bar'. If it has the value 2, it prints 'baz'. 263af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// This is very useful for certain classes of variant diagnostics. 264af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattnerstatic void HandleSelectModifier(unsigned ValNo, 265af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *Argument, unsigned ArgumentLen, 266af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner llvm::SmallVectorImpl<char> &OutStr) { 267af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *ArgumentEnd = Argument+ArgumentLen; 268af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 269af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Skip over 'ValNo' |'s. 270af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner while (ValNo) { 271af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *NextVal = std::find(Argument, ArgumentEnd, '|'); 272af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(NextVal != ArgumentEnd && "Value for integer select modifier was" 273af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner " larger than the number of options in the diagnostic string!"); 274af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner Argument = NextVal+1; // Skip this string. 275af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner --ValNo; 276af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 277af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 278af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Get the end of the value. This is either the } or the |. 279af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *EndPtr = std::find(Argument, ArgumentEnd, '|'); 280af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Add the value to the output string. 281af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.append(Argument, EndPtr); 282af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner} 283af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 284af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// HandleIntegerSModifier - Handle the integer 's' modifier. This adds the 285af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// letter 's' to the string if the value is not 1. This is used in cases like 286af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner/// this: "you idiot, you have %4 parameter%s4!". 287af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattnerstatic void HandleIntegerSModifier(unsigned ValNo, 288af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner llvm::SmallVectorImpl<char> &OutStr) { 289af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (ValNo != 1) 290af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.push_back('s'); 291af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner} 292af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 293af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 294f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner/// FormatDiagnostic - Format this diagnostic into a string, substituting the 295f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner/// formal arguments into the %0 slots. The result is appended onto the Str 296f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner/// array. 297f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattnervoid DiagnosticInfo:: 298f4c839657742b823cea1a95b18422f1ba74d3dddChris LattnerFormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const { 299f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner const char *DiagStr = getDiags()->getDescription(getID()); 300f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner const char *DiagEnd = DiagStr+strlen(DiagStr); 3017bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 302f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner while (DiagStr != DiagEnd) { 303f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner if (DiagStr[0] != '%') { 304f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner // Append non-%0 substrings to Str if we have one. 305f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner const char *StrEnd = std::find(DiagStr, DiagEnd, '%'); 306f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner OutStr.append(DiagStr, StrEnd); 307f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner DiagStr = StrEnd; 308af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner continue; 309f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner } else if (DiagStr[1] == '%') { 310f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner OutStr.push_back('%'); // %% -> %. 311f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner DiagStr += 2; 312af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner continue; 313af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 314af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 315af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Skip the %. 316af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ++DiagStr; 317af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 318af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // This must be a placeholder for a diagnostic argument. The format for a 319af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // placeholder is one of "%0", "%modifier0", or "%modifier{arguments}0". 320af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // The digit is a number from 0-9 indicating which argument this comes from. 321af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // The modifier is a string of digits from the set [-a-z]+, arguments is a 322af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // brace enclosed string. 323af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *Modifier = 0, *Argument = 0; 324af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner unsigned ModifierLen = 0, ArgumentLen = 0; 325af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 326af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // Check to see if we have a modifier. If so eat it. 327af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (!isdigit(DiagStr[0])) { 328af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner Modifier = DiagStr; 329af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner while (DiagStr[0] == '-' || 330af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner (DiagStr[0] >= 'a' && DiagStr[0] <= 'z')) 331af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ++DiagStr; 332af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ModifierLen = DiagStr-Modifier; 333f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner 334af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner // If we have an argument, get it next. 335af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (DiagStr[0] == '{') { 336af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ++DiagStr; // Skip {. 337af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner Argument = DiagStr; 338af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 339af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner for (; DiagStr[0] != '}'; ++DiagStr) 340af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(DiagStr[0] && "Mismatched {}'s in diagnostic string!"); 341af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ArgumentLen = DiagStr-Argument; 342af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner ++DiagStr; // Skip }. 343f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner } 344af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 345af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 346af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(isdigit(*DiagStr) && "Invalid format for argument in diagnostic"); 347af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner unsigned StrNo = *DiagStr++ - '0'; 348af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 349af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner switch (getArgKind(StrNo)) { 350af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner case DiagnosticInfo::ak_std_string: { 351af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const std::string &S = getArgStdStr(StrNo); 352af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "No modifiers for strings yet"); 353af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.append(S.begin(), S.end()); 354af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner break; 355af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 356af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner case DiagnosticInfo::ak_c_string: { 357af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const char *S = getArgCStr(StrNo); 358af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "No modifiers for strings yet"); 359af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.append(S, S + strlen(S)); 360af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner break; 361af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 362af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner case DiagnosticInfo::ak_identifierinfo: { 363af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner const IdentifierInfo *II = getArgIdentifier(StrNo); 364af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "No modifiers for strings yet"); 365af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner OutStr.append(II->getName(), II->getName() + II->getLength()); 366af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner break; 367af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 368af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner case DiagnosticInfo::ak_sint: { 369af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner int Val = getArgSInt(StrNo); 370af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 371af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (ModifierIs(Modifier, ModifierLen, "select")) { 372af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner HandleSelectModifier((unsigned)Val, Argument, ArgumentLen, OutStr); 373af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } else if (ModifierIs(Modifier, ModifierLen, "s")) { 374af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner HandleIntegerSModifier(Val, OutStr); 375af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } else { 376af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "Unknown integer modifier"); 37730bc96544346bea42921cf6837e66cef80d664b4Chris Lattner // FIXME: Optimize 378af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner std::string S = llvm::itostr(Val); 37930bc96544346bea42921cf6837e66cef80d664b4Chris Lattner OutStr.append(S.begin(), S.end()); 38030bc96544346bea42921cf6837e66cef80d664b4Chris Lattner } 381af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner break; 382af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 383af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner case DiagnosticInfo::ak_uint: { 384af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner unsigned Val = getArgUInt(StrNo); 385af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 386af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner if (ModifierIs(Modifier, ModifierLen, "select")) { 387af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner HandleSelectModifier(Val, Argument, ArgumentLen, OutStr); 388af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } else if (ModifierIs(Modifier, ModifierLen, "s")) { 389af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner HandleIntegerSModifier(Val, OutStr); 390af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } else { 391af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner assert(ModifierLen == 0 && "Unknown integer modifier"); 392af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner 39330bc96544346bea42921cf6837e66cef80d664b4Chris Lattner // FIXME: Optimize 394af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner std::string S = llvm::utostr_32(Val); 39530bc96544346bea42921cf6837e66cef80d664b4Chris Lattner OutStr.append(S.begin(), S.end()); 39630bc96544346bea42921cf6837e66cef80d664b4Chris Lattner break; 39730bc96544346bea42921cf6837e66cef80d664b4Chris Lattner } 398af7ae4e8160fc5c23e471f2125b3fe5911e3532aChris Lattner } 3997bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber } 4007bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber } 4017bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber} 402