Diagnostic.h revision 0827408865e32789e0ec4b8113a302ccdc531423
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Diagnostic.h - C Language Family Diagnostic Handling ---*- C++ -*-===// 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 defines the Diagnostic-related interfaces. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_DIAGNOSTIC_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_DIAGNOSTIC_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis#include "clang/Basic/DiagnosticIDs.h" 182eefd8657c233bc7c9330acfe475fc270bbe7cabTed Kremenek#include "clang/Basic/SourceLocation.h" 190827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis#include "llvm/ADT/DenseMap.h" 2028019772db70d4547be05a042eb950bc910f134fDouglas Gregor#include "llvm/ADT/IntrusiveRefCntPtr.h" 21bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor#include "llvm/ADT/OwningPtr.h" 223f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor#include "llvm/Support/type_traits.h" 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis#include <vector> 250827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis#include <list> 26f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 28b2153946fff330e54abfdc740c0a83aedd485b33Anders Carlsson class DiagnosticClient; 2933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis class DiagnosticBuilder; 30d42ffbd22fc7eb61321f6a88173ee424991f01c6Ted Kremenek class IdentifierInfo; 3133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis class DeclContext; 3240469651a3f8379dc0f32df69e9bade06a2aad36Chris Lattner class LangOptions; 337d90199f109290e9d587479a481a2850d390b552Daniel Dunbar class Preprocessor; 349c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis class DiagnosticErrorTrap; 351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 364b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// \brief Annotates a diagnostic with some code that should be 374b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// inserted, removed, or replaced to fix the problem. 384b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// 394b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// This kind of hint should be used when we are certain that the 404b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// introduction, removal, or modification of a particular (small!) 414b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// amount of code will correct a compilation error. The compiler 424b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// should also provide full recovery from such errors, such that 43b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor/// suppressing the diagnostic output can still result in successful 444b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// compilation. 45849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregorclass FixItHint { 464b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregorpublic: 47783c56f47745f719590b17afd7ed937bf2407b53Douglas Gregor /// \brief Code that should be replaced to correct the error. Empty for an 48783c56f47745f719590b17afd7ed937bf2407b53Douglas Gregor /// insertion hint. 490a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner CharSourceRange RemoveRange; 504b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 514b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// \brief The actual code to insert at the insertion location, as a 524b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// string. 534b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor std::string CodeToInsert; 544b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 554b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// \brief Empty code modification hint, indicating that no code 564b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// modification is known. 57783c56f47745f719590b17afd7ed937bf2407b53Douglas Gregor FixItHint() : RemoveRange() { } 584b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 592f019aadc96f8fa3185c684c7150bd596d045064Anders Carlsson bool isNull() const { 60783c56f47745f719590b17afd7ed937bf2407b53Douglas Gregor return !RemoveRange.isValid(); 612f019aadc96f8fa3185c684c7150bd596d045064Anders Carlsson } 622f019aadc96f8fa3185c684c7150bd596d045064Anders Carlsson 634b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// \brief Create a code modification hint that inserts the given 644b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// code string at a specific location. 65849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor static FixItHint CreateInsertion(SourceLocation InsertionLoc, 66849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor llvm::StringRef Code) { 67849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor FixItHint Hint; 68783c56f47745f719590b17afd7ed937bf2407b53Douglas Gregor Hint.RemoveRange = 69783c56f47745f719590b17afd7ed937bf2407b53Douglas Gregor CharSourceRange(SourceRange(InsertionLoc, InsertionLoc), false); 70b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor Hint.CodeToInsert = Code; 71b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor return Hint; 72b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor } 734b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 744b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// \brief Create a code modification hint that removes the given 754b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// source range. 760a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner static FixItHint CreateRemoval(CharSourceRange RemoveRange) { 77849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor FixItHint Hint; 78b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor Hint.RemoveRange = RemoveRange; 79b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor return Hint; 80b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor } 810a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner static FixItHint CreateRemoval(SourceRange RemoveRange) { 820a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner return CreateRemoval(CharSourceRange::getTokenRange(RemoveRange)); 830a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner } 840a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 854b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// \brief Create a code modification hint that replaces the given 864b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// source range with the given code string. 870a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner static FixItHint CreateReplacement(CharSourceRange RemoveRange, 88849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor llvm::StringRef Code) { 89849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor FixItHint Hint; 90b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor Hint.RemoveRange = RemoveRange; 91b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor Hint.CodeToInsert = Code; 92b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor return Hint; 93b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor } 940a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 950a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner static FixItHint CreateReplacement(SourceRange RemoveRange, 960a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner llvm::StringRef Code) { 970a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner return CreateReplacement(CharSourceRange::getTokenRange(RemoveRange), Code); 980a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner } 994b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor}; 1004b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Diagnostic - This concrete class is used by the front-end to report 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// problems and issues. It massages the diagnostics (e.g. handling things like 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// "report warnings as errors" and passes them off to the DiagnosticClient for 10433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis/// reporting to the user. Diagnostic is tied to one translation unit and 10533e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis/// one SourceManager. 10628019772db70d4547be05a042eb950bc910f134fDouglas Gregorclass Diagnostic : public llvm::RefCountedBase<Diagnostic> { 107182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattnerpublic: 108182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// Level - The level of the diagnostic, after it has been through mapping. 109182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner enum Level { 11033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis Ignored = DiagnosticIDs::Ignored, 11133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis Note = DiagnosticIDs::Note, 11233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis Warning = DiagnosticIDs::Warning, 11333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis Error = DiagnosticIDs::Error, 11433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis Fatal = DiagnosticIDs::Fatal 115182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner }; 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 117b54b276a920246c595a0498da281821eb9d22996Chris Lattner /// ExtensionHandling - How do we handle otherwise-unmapped extension? This 118b54b276a920246c595a0498da281821eb9d22996Chris Lattner /// is controlled by -pedantic and -pedantic-errors. 119b54b276a920246c595a0498da281821eb9d22996Chris Lattner enum ExtensionHandling { 120b54b276a920246c595a0498da281821eb9d22996Chris Lattner Ext_Ignore, Ext_Warn, Ext_Error 121b54b276a920246c595a0498da281821eb9d22996Chris Lattner }; 1221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1233fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner enum ArgumentKind { 12447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor ak_std_string, // std::string 12547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor ak_c_string, // const char * 12647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor ak_sint, // int 12747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor ak_uint, // unsigned 12847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor ak_identifierinfo, // IdentifierInfo 12947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor ak_qualtype, // QualType 13047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor ak_declarationname, // DeclarationName 131dacd434c49658286c380c7b4c357d76d53cb4aa1Douglas Gregor ak_nameddecl, // NamedDecl * 1323f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor ak_nestednamespec, // NestedNameSpecifier * 1333f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor ak_declcontext // DeclContext * 1343fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner }; 1355edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin 1365edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin /// Specifies which overload candidates to display when overload resolution 1375edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin /// fails. 1385edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin enum OverloadsShown { 1395edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin Ovl_All, ///< Show all overloads. 1405edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin Ovl_Best ///< Show just the "best" overload candidates. 1415edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin }; 1425edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin 143b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// ArgumentValue - This typedef represents on argument value, which is a 144b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// union discriminated by ArgumentKind, with a value. 145b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner typedef std::pair<ArgumentKind, intptr_t> ArgumentValue; 146ee1828a6b5ae1bc4ea300e48f3840ac1ec5be295Douglas Gregor 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpprivate: 14827ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner unsigned char AllExtensionsSilenced; // Used by __extension__ 149b54b276a920246c595a0498da281821eb9d22996Chris Lattner bool IgnoreAllWarnings; // Ignore all warnings: -w 1501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool WarningsAsErrors; // Treat warnings like errors: 151e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner bool ErrorsAsFatal; // Treat errors like fatal errors. 152b54b276a920246c595a0498da281821eb9d22996Chris Lattner bool SuppressSystemWarnings; // Suppress warnings in system headers. 15381b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor bool SuppressAllDiagnostics; // Suppress all diagnostics. 1545edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin OverloadsShown ShowOverloads; // Which overload candidates to show. 155c100214fdc41a7ea215f75d433eb1cb829fd4330Chris Lattner unsigned ErrorLimit; // Cap of # errors emitted, 0 -> no limit. 156575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor unsigned TemplateBacktraceLimit; // Cap on depth of template backtrace stack, 157575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor // 0 -> no limit. 158b54b276a920246c595a0498da281821eb9d22996Chris Lattner ExtensionHandling ExtBehavior; // Map extensions onto warnings or errors? 15933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis llvm::IntrusiveRefCntPtr<DiagnosticIDs> Diags; 16033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis DiagnosticClient *Client; 16133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis bool OwnsDiagClient; 16233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis SourceManager *SourceMgr; 1630827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 1640827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Mapping information for diagnostics. Mapping info is 165691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// packed into four bits per diagnostic. The low three bits are the mapping 166691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// (an instance of diag::Mapping), or zero if unset. The high bit is set 167691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// when the mapping was established as a user mapping. If the high bit is 168691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// clear, then the low bits are set to the default value, and should be 169691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// mapped with -pedantic, -Werror, etc. 1700827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 1710827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// Contrary to DiagMappings, a new DiagState is created and kept around when 1720827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// diagnostic pragmas modify the state so that we know what is the diagnostic 1730827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// state at any given source location. 1740827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis class DiagState { 1750827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis mutable llvm::DenseMap<unsigned, unsigned> DiagMap; 1763c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer 1773c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer public: 1780827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis void setMapping(diag::kind Diag, unsigned Map) { DiagMap[Diag] = Map; } 1793c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer 1800827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis diag::Mapping getMapping(diag::kind Diag) const { 1810827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return (diag::Mapping)DiagMap[Diag]; 1823c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer } 1830827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis }; 1843c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer 1850827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Keeps and automatically disposes all DiagStates that we create. 1860827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis std::list<DiagState> DiagStates; 1870827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 1880827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Represents a point in source where the diagnostic state was 1890827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// modified because of a pragma. 'Loc' can be null if the point represents 1900827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// the diagnostic state modifications done through the command-line. 1910827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis struct DiagStatePoint { 1920827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagState *State; 1930827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis FullSourceLoc Loc; 1940827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePoint(DiagState *State, FullSourceLoc Loc) 1950827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis : State(State), Loc(Loc) { } 1960827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 1970827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis bool operator<(const DiagStatePoint &RHS) const { 1980827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis // If Loc is invalid it means it came from <command-line>, in which case 1990827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis // we regard it as coming before any valid source location. 2000827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis if (RHS.Loc.isInvalid()) 2010827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return false; 2020827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis if (Loc.isInvalid()) 2030827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return true; 2040827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return Loc.isBeforeInTranslationUnitThan(RHS.Loc); 2053c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer } 2063c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer }; 20704ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 2080827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief A vector of all DiagStatePoints representing changes in diagnostic 2090827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// state due to diagnostic pragmas. The vector is always sorted according to 2100827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// the SourceLocation of the DiagStatePoint. 2110827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis typedef std::vector<DiagStatePoint> DiagStatePointsTy; 2120827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis mutable DiagStatePointsTy DiagStatePoints; 2130827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 2140827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Keeps the DiagState that was active during each diagnostic 'push' 2150827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// so we can get back at it when we 'pop'. 2160827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis std::vector<DiagState *> DiagStateOnPushStack; 2170827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 2180827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagState *GetCurDiagState() const { 2190827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis assert(!DiagStatePoints.empty()); 2200827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return DiagStatePoints.back().State; 2210827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis } 2220827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 2230827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis void PushDiagStatePoint(DiagState *State, SourceLocation L) { 2240827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis FullSourceLoc Loc(L, *SourceMgr); 2250827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis // Make sure that DiagStatePoints is always sorted according to Loc. 2260827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis assert((Loc.isValid() || DiagStatePoints.empty()) && 2270827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis "Adding invalid loc point after another point"); 2280827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis assert((Loc.isInvalid() || DiagStatePoints.empty() || 2290827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePoints.back().Loc.isInvalid() || 2300827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePoints.back().Loc.isBeforeInTranslationUnitThan(Loc)) && 2310827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis "Previous point loc comes after or is the same as new one"); 2320827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePoints.push_back(DiagStatePoint(State, 2330827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis FullSourceLoc(Loc, *SourceMgr))); 2340827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis } 2350827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 2360827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Finds the DiagStatePoint that contains the diagnostic state of 2370827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// the given source location. 2380827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePointsTy::iterator GetDiagStatePointForLoc(SourceLocation Loc) const; 23904ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 24015221422eda7bac679e38b07512feda49715ef66Chris Lattner /// ErrorOccurred / FatalErrorOccurred - This is set to true when an error or 24115221422eda7bac679e38b07512feda49715ef66Chris Lattner /// fatal error is emitted, and is sticky. 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool ErrorOccurred; 24315221422eda7bac679e38b07512feda49715ef66Chris Lattner bool FatalErrorOccurred; 2441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 245f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner /// LastDiagLevel - This is the level of the last diagnostic emitted. This is 246f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner /// used to emit continuation diagnostics with the same level as the 247f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner /// diagnostic that they follow. 24833e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis DiagnosticIDs::Level LastDiagLevel; 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25053eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner unsigned NumWarnings; // Number of warnings reported 25153eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner unsigned NumErrors; // Number of errors reported 2521864f2eb59471d07db51adfc3e5b1a229eed631aDouglas Gregor unsigned NumErrorsSuppressed; // Number of errors suppressed 2537bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 2543fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// ArgToStringFn - A function pointer that converts an opaque diagnostic 2553fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// argument to a strings. This takes the modifiers and argument that was 2563fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// present in the diagnostic. 257b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// 258b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// The PrevArgs array (whose length is NumPrevArgs) indicates the previous 259b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// arguments formatted for this diagnostic. Implementations of this function 260b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// can use this information to avoid redundancy across arguments. 261b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// 26222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner /// This is a hack to avoid a layering violation between libbasic and libsema. 2633fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner typedef void (*ArgToStringFnTy)(ArgumentKind Kind, intptr_t Val, 2643fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner const char *Modifier, unsigned ModifierLen, 2653fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner const char *Argument, unsigned ArgumentLen, 266b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner const ArgumentValue *PrevArgs, 267b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner unsigned NumPrevArgs, 26892dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner llvm::SmallVectorImpl<char> &Output, 26992dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner void *Cookie); 27092dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner void *ArgToStringCookie; 2713fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner ArgToStringFnTy ArgToStringFn; 27293ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 27393ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief ID of the "delayed" diagnostic, which is a (typically 27493ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// fatal) diagnostic that had to be delayed because it was found 27593ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// while emitting another diagnostic. 27693ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor unsigned DelayedDiagID; 27793ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 27893ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief First string argument for the delayed diagnostic. 27993ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor std::string DelayedDiagArg1; 28093ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 28193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief Second string argument for the delayed diagnostic. 28293ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor std::string DelayedDiagArg2; 28393ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 28533e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis explicit Diagnostic(const llvm::IntrusiveRefCntPtr<DiagnosticIDs> &Diags, 28633e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis DiagnosticClient *client = 0, 28733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis bool ShouldOwnClient = true); 288182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner ~Diagnostic(); 2891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis const llvm::IntrusiveRefCntPtr<DiagnosticIDs> &getDiagnosticIDs() const { 29133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Diags; 29233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 29333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis 29433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis DiagnosticClient *getClient() { return Client; } 29533e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis const DiagnosticClient *getClient() const { return Client; } 2961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 297bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor /// \brief Return the current diagnostic client along with ownership of that 298bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor /// client. 29933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis DiagnosticClient *takeClient() { 30033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis OwnsDiagClient = false; 30133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Client; 30233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 30333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis 30433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis bool hasSourceManager() const { return SourceMgr != 0; } 30533e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis SourceManager &getSourceManager() const { 30633e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis assert(SourceMgr && "SourceManager not set!"); 30733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return *SourceMgr; 30833e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 30933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis void setSourceManager(SourceManager *SrcMgr) { SourceMgr = SrcMgr; } 31033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis 31133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis //===--------------------------------------------------------------------===// 31233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis // Diagnostic characterization methods, used by a client to customize how 31333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis // diagnostics are emitted. 31433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis // 31504ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// pushMappings - Copies the current DiagMappings and pushes the new copy 31704ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// onto the top of the stack. 3180827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis void pushMappings(SourceLocation Loc); 31904ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 32004ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// popMappings - Pops the current DiagMappings off the top of the stack 32104ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// causing the new top of the stack to be the active mappings. Returns 32204ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// true if the pop happens, false if there is only one DiagMapping on the 32304ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// stack. 3240827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis bool popMappings(SourceLocation Loc); 32504ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 326bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor /// \brief Set the diagnostic client associated with this diagnostic object. 327bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor /// 32833e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis /// \param ShouldOwnClient true if the diagnostic object should take 32933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis /// ownership of \c client. 33033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis void setClient(DiagnosticClient *client, bool ShouldOwnClient = true) { 33133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis Client = client; 33233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis OwnsDiagClient = ShouldOwnClient; 33333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 335c100214fdc41a7ea215f75d433eb1cb829fd4330Chris Lattner /// setErrorLimit - Specify a limit for the number of errors we should 336b205ac9fcd22b87b41697172d1983c5ae9dabaafChris Lattner /// emit before giving up. Zero disables the limit. 337c100214fdc41a7ea215f75d433eb1cb829fd4330Chris Lattner void setErrorLimit(unsigned Limit) { ErrorLimit = Limit; } 338b205ac9fcd22b87b41697172d1983c5ae9dabaafChris Lattner 339575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor /// \brief Specify the maximum number of template instantiation 340575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor /// notes to emit along with a given diagnostic. 341575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor void setTemplateBacktraceLimit(unsigned Limit) { 342575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor TemplateBacktraceLimit = Limit; 343575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor } 3446c1cb9916e9988dcdd65b9266dbe24afd173427aDouglas Gregor 345575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor /// \brief Retrieve the maximum number of template instantiation 346575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor /// nodes to emit along with a given diagnostic. 347575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor unsigned getTemplateBacktraceLimit() const { 348575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor return TemplateBacktraceLimit; 349575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor } 3506c1cb9916e9988dcdd65b9266dbe24afd173427aDouglas Gregor 3515b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner /// setIgnoreAllWarnings - When set to true, any unmapped warnings are 3525b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner /// ignored. If this and WarningsAsErrors are both set, then this one wins. 3535b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner void setIgnoreAllWarnings(bool Val) { IgnoreAllWarnings = Val; } 3545b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner bool getIgnoreAllWarnings() const { return IgnoreAllWarnings; } 3551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// setWarningsAsErrors - When set to true, any warnings reported are issued 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// as errors. 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setWarningsAsErrors(bool Val) { WarningsAsErrors = Val; } 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool getWarningsAsErrors() const { return WarningsAsErrors; } 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 361e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner /// setErrorsAsFatal - When set to true, any error reported is made a 362e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner /// fatal error. 363e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner void setErrorsAsFatal(bool Val) { ErrorsAsFatal = Val; } 364e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner bool getErrorsAsFatal() const { return ErrorsAsFatal; } 365e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner 3662fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar /// setSuppressSystemWarnings - When set to true mask warnings that 3672fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar /// come from system headers. 3682fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar void setSuppressSystemWarnings(bool Val) { SuppressSystemWarnings = Val; } 3692fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar bool getSuppressSystemWarnings() const { return SuppressSystemWarnings; } 3702fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar 37181b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor /// \brief Suppress all diagnostics, to silence the front end when we 37281b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor /// know that we don't want any more diagnostics to be passed along to the 37381b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor /// client 37481b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor void setSuppressAllDiagnostics(bool Val = true) { 37581b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor SuppressAllDiagnostics = Val; 37681b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor } 37781b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor bool getSuppressAllDiagnostics() const { return SuppressAllDiagnostics; } 37881b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor 3795edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin /// \brief Specify which overload candidates to show when overload resolution 3805edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin /// fails. By default, we show all candidates. 3815edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin void setShowOverloads(OverloadsShown Val) { 3825edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin ShowOverloads = Val; 3835edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin } 3845edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin OverloadsShown getShowOverloads() const { return ShowOverloads; } 3855edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin 3860b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor /// \brief Pretend that the last diagnostic issued was ignored. This can 3870b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor /// be used by clients who suppress diagnostics themselves. 3880b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor void setLastDiagnosticIgnored() { 38933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis LastDiagLevel = DiagnosticIDs::Ignored; 3900b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor } 3910b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor 392b54b276a920246c595a0498da281821eb9d22996Chris Lattner /// setExtensionHandlingBehavior - This controls whether otherwise-unmapped 393b54b276a920246c595a0498da281821eb9d22996Chris Lattner /// extension diagnostics are mapped onto ignore/warning/error. This 394b54b276a920246c595a0498da281821eb9d22996Chris Lattner /// corresponds to the GCC -pedantic and -pedantic-errors option. 395b54b276a920246c595a0498da281821eb9d22996Chris Lattner void setExtensionHandlingBehavior(ExtensionHandling H) { 396b54b276a920246c595a0498da281821eb9d22996Chris Lattner ExtBehavior = H; 397b54b276a920246c595a0498da281821eb9d22996Chris Lattner } 3981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39927ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner /// AllExtensionsSilenced - This is a counter bumped when an __extension__ 40027ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner /// block is encountered. When non-zero, all extension diagnostics are 40127ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner /// entirely silenced, no matter how they are mapped. 40227ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner void IncrementAllExtensionsSilenced() { ++AllExtensionsSilenced; } 40327ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner void DecrementAllExtensionsSilenced() { --AllExtensionsSilenced; } 40491a2886d558ea6ca7a0bed73ab5acea5ae78eac2Douglas Gregor bool hasAllExtensionsSilenced() { return AllExtensionsSilenced != 0; } 4051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4060827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief This allows the client to specify that certain 407691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// warnings are ignored. Notes can never be mapped, errors can only be 408691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// mapped to fatal, and WARNINGs and EXTENSIONs can be mapped arbitrarily. 4090827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 4100827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \param Loc The source location that this change of diagnostic state should 4110827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// take affect. It can be null if we are setting the latest state. 4120827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis void setDiagnosticMapping(diag::kind Diag, diag::Mapping Map, 4130827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis SourceLocation Loc); 4141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4153bc172bc6a787842db6fea351cf6929539fca70dChris Lattner /// setDiagnosticGroupMapping - Change an entire diagnostic group (e.g. 4163bc172bc6a787842db6fea351cf6929539fca70dChris Lattner /// "unknown-pragmas" to have the specified mapping. This returns true and 4173bc172bc6a787842db6fea351cf6929539fca70dChris Lattner /// ignores the request if "Group" was unknown, false otherwise. 4180827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 4190827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 'Loc' is the source location that this change of diagnostic state should 4200827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// take affect. It can be null if we are setting the state from command-line. 4210827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis bool setDiagnosticGroupMapping(const char *Group, diag::Mapping Map, 4220827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis SourceLocation Loc = SourceLocation()) { 4230827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return Diags->setDiagnosticGroupMapping(Group, Map, Loc, *this); 42433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasErrorOccurred() const { return ErrorOccurred; } 42715221422eda7bac679e38b07512feda49715ef66Chris Lattner bool hasFatalErrorOccurred() const { return FatalErrorOccurred; } 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 42953eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner unsigned getNumWarnings() const { return NumWarnings; } 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 431c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor void setNumWarnings(unsigned NumWarnings) { 432c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor this->NumWarnings = NumWarnings; 433c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor } 434c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor 435182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// getCustomDiagID - Return an ID for a diagnostic with the specified message 436182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// and level. If this is the first request for this diagnosic, it is 437182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// registered and created, otherwise the existing ID is returned. 43833e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis unsigned getCustomDiagID(Level L, llvm::StringRef Message) { 43933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Diags->getCustomDiagID((DiagnosticIDs::Level)L, Message); 44033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4423fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// ConvertArgToString - This method converts a diagnostic argument (as an 4433fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// intptr_t) into the string that represents it. 4443fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner void ConvertArgToString(ArgumentKind Kind, intptr_t Val, 4453fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner const char *Modifier, unsigned ModLen, 4463fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner const char *Argument, unsigned ArgLen, 447b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner const ArgumentValue *PrevArgs, unsigned NumPrevArgs, 4483fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner llvm::SmallVectorImpl<char> &Output) const { 449b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner ArgToStringFn(Kind, Val, Modifier, ModLen, Argument, ArgLen, 450b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner PrevArgs, NumPrevArgs, Output, ArgToStringCookie); 45122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner } 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45392dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner void SetArgToStringFn(ArgToStringFnTy Fn, void *Cookie) { 4543fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner ArgToStringFn = Fn; 45592dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner ArgToStringCookie = Cookie; 45622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner } 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 458abc563f554951259bbe0315055cad92ee14d87e4Douglas Gregor /// \brief Reset the state of the diagnostic object to its initial 459abc563f554951259bbe0315055cad92ee14d87e4Douglas Gregor /// configuration. 460abc563f554951259bbe0315055cad92ee14d87e4Douglas Gregor void Reset(); 461abc563f554951259bbe0315055cad92ee14d87e4Douglas Gregor 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Diagnostic classification and reporting interfaces. 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4660827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Based on the way the client configured the Diagnostic 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object, classify the specified diagnostic ID into a Level, consumable by 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the DiagnosticClient. 4690827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 4700827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \param Loc The source location we are interested in finding out the 4710827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// diagnostic state. Can be null in order to query the latest state. 4720827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis Level getDiagnosticLevel(unsigned DiagID, SourceLocation Loc) const { 4730827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return (Level)Diags->getDiagnosticLevel(DiagID, Loc, *this); 47433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 4751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 476509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// Report - Issue the message to the client. @c DiagID is a member of the 477509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// @c diag::kind enum. This actually returns aninstance of DiagnosticBuilder 478509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// which emits the diagnostics (through @c ProcessDiag) when it is destroyed. 479509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// @c Pos represents the source location associated with the diagnostic, 480509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// which can be an invalid location if no position information is available. 48133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis inline DiagnosticBuilder Report(SourceLocation Pos, unsigned DiagID); 4820f9fed70cea107b3f79df554e38bd8e98d48fe47Daniel Dunbar inline DiagnosticBuilder Report(unsigned DiagID); 483de4bf6a63219c5b9d3bce1fed3dfe075568098a0Douglas Gregor 48493ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief Determine whethere there is already a diagnostic in flight. 4855800f7ea9cf5621280089d690f677bd28064d6b5Ted Kremenek bool isDiagnosticInFlight() const { return CurDiagID != ~0U; } 48693ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 48793ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief Set the "delayed" diagnostic that will be emitted once 48893ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// the current diagnostic completes. 48993ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// 49093ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// If a diagnostic is already in-flight but the front end must 49193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// report a problem (e.g., with an inconsistent file system 49293ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// state), this routine sets a "delayed" diagnostic that will be 49393ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// emitted after the current diagnostic completes. This should 49493ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// only be used for fatal errors detected at inconvenient 49593ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// times. If emitting a delayed diagnostic causes a second delayed 49693ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// diagnostic to be introduced, that second delayed diagnostic 49793ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// will be ignored. 49893ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// 49993ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \param DiagID The ID of the diagnostic being delayed. 50093ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// 50193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \param Arg1 A string argument that will be provided to the 50293ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// diagnostic. A copy of this string will be stored in the 50393ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// Diagnostic object itself. 50493ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// 50593ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \param Arg2 A string argument that will be provided to the 50693ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// diagnostic. A copy of this string will be stored in the 50793ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// Diagnostic object itself. 50893ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor void SetDelayedDiagnostic(unsigned DiagID, llvm::StringRef Arg1 = "", 50993ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor llvm::StringRef Arg2 = ""); 51093ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 511de4bf6a63219c5b9d3bce1fed3dfe075568098a0Douglas Gregor /// \brief Clear out the current diagnostic. 512de4bf6a63219c5b9d3bce1fed3dfe075568098a0Douglas Gregor void Clear() { CurDiagID = ~0U; } 5131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5140a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattnerprivate: 51593ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief Report the delayed diagnostic. 51693ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor void ReportDelayed(); 51793ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 51893ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 519691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// getDiagnosticMappingInfo - Return the mapping info currently set for the 520691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// specified builtin diagnostic. This returns the high bit encoding, or zero 521691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// if the field is completely uninitialized. 5220827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis diag::Mapping getDiagnosticMappingInfo(diag::kind Diag, 5230827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagState *State) const { 5240827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return State->getMapping(Diag); 525691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner } 5261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 527691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner void setDiagnosticMappingInternal(unsigned DiagId, unsigned Map, 5280827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagState *State, bool isUser) const { 529691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner if (isUser) Map |= 8; // Set the high bit for user mappings. 5300827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis State->setMapping((diag::kind)DiagId, Map); 5319faf50e62ddcd2535b472abc8daafd7042120caaChris Lattner } 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5333cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner // This is private state used by DiagnosticBuilder. We put it here instead of 5343cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner // in DiagnosticBuilder in order to keep DiagnosticBuilder a small lightweight 5350a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // object. This implementation choice means that we can only have one 5360a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // diagnostic "in flight" at a time, but this seems to be a reasonable 5370a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // tradeoff to keep these objects small. Assertions verify that only one 5380a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // diagnostic is in flight at a time. 53933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis friend class DiagnosticIDs; 5403cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner friend class DiagnosticBuilder; 5410a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner friend class DiagnosticInfo; 5429b623639378d53a675921ddfa7316034d571881eDouglas Gregor friend class PartialDiagnostic; 5439c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis friend class DiagnosticErrorTrap; 5449b623639378d53a675921ddfa7316034d571881eDouglas Gregor 545b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner /// CurDiagLoc - This is the location of the current diagnostic that is in 546b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner /// flight. 54733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis SourceLocation CurDiagLoc; 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 549b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner /// CurDiagID - This is the ID of the current diagnostic that is in flight. 5503cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// This is set to ~0U when there is no diagnostic in flight. 551b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner unsigned CurDiagID; 552b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner 55373d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner enum { 55473d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// MaxArguments - The maximum number of arguments we can hold. We currently 55573d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// only support up to 10 arguments (%0-%9). A single diagnostic with more 55673d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// than that almost certainly has to be simplified anyway. 55773d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner MaxArguments = 10 55873d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner }; 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5603cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// NumDiagArgs - This contains the number of entries in Arguments. 561730e0fdbbf9b315ef834074054ac55af3a4fcc0cChris Lattner signed char NumDiagArgs; 562730e0fdbbf9b315ef834074054ac55af3a4fcc0cChris Lattner /// NumRanges - This is the number of ranges in the DiagRanges array. 563730e0fdbbf9b315ef834074054ac55af3a4fcc0cChris Lattner unsigned char NumDiagRanges; 5644b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// \brief The number of code modifications hints in the 565849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor /// FixItHints array. 566849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor unsigned char NumFixItHints; 567ee1828a6b5ae1bc4ea300e48f3840ac1ec5be295Douglas Gregor 56873d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// DiagArgumentsKind - This is an array of ArgumentKind::ArgumentKind enum 56973d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// values, with one for each argument. This specifies whether the argument 57073d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// is in DiagArgumentsStr or in DiagArguments. 57173d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner unsigned char DiagArgumentsKind[MaxArguments]; 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57373d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// DiagArgumentsStr - This holds the values of each string argument for the 57473d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// current diagnostic. This value is only used when the corresponding 57573d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// ArgumentKind is ak_std_string. 57673d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner std::string DiagArgumentsStr[MaxArguments]; 57773d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner 57873d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// DiagArgumentsVal - The values for the various substitution positions. This 57973d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// is used when the argument is not an std::string. The specific value is 58073d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// mangled into an intptr_t and the intepretation depends on exactly what 58173d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// sort of argument kind it is. 58273d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner intptr_t DiagArgumentsVal[MaxArguments]; 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5840a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// DiagRanges - The list of ranges added to this diagnostic. It currently 5850a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// only support 10 ranges, could easily be extended if needed. 5860a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner CharSourceRange DiagRanges[10]; 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 588849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor enum { MaxFixItHints = 3 }; 5894b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 590849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor /// FixItHints - If valid, provides a hint with some code 5914b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// to insert, remove, or modify at a particular position. 592849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor FixItHint FixItHints[MaxFixItHints]; 5934b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 5940a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// ProcessDiag - This is the method used to report a diagnostic that is 5950a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// finally fully formed. 5965e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// 5975e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// \returns true if the diagnostic was emitted, false if it was 5985e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// suppressed. 59933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis bool ProcessDiag() { 60033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Diags->ProcessDiag(*this); 60133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 602f41d3be39980d40849850d3fb90403623cc8459eArgyrios Kyrtzidis 603f41d3be39980d40849850d3fb90403623cc8459eArgyrios Kyrtzidis friend class ASTReader; 604f41d3be39980d40849850d3fb90403623cc8459eArgyrios Kyrtzidis friend class ASTWriter; 6053cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner}; 6063cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 6079c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis/// \brief RAII class that determines when any errors have occurred 6089c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis/// between the time the instance was created and the time it was 6099c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis/// queried. 6109c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidisclass DiagnosticErrorTrap { 6119c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis Diagnostic &Diag; 6129c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis unsigned PrevErrors; 6139c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis 6149c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidispublic: 6159c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis explicit DiagnosticErrorTrap(Diagnostic &Diag) 6169c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis : Diag(Diag), PrevErrors(Diag.NumErrors) {} 6179c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis 6189c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis /// \brief Determine whether any errors have occurred since this 6199c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis /// object instance was created. 6209c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis bool hasErrorOccurred() const { 6219c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis return Diag.NumErrors > PrevErrors; 6229c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis } 6239c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis 6249c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis // Set to initial state of "no errors occurred". 6259c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis void reset() { PrevErrors = Diag.NumErrors; } 6269c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis}; 6279c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis 6283cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner//===----------------------------------------------------------------------===// 6293cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner// DiagnosticBuilder 6303cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner//===----------------------------------------------------------------------===// 6313cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 6323cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// DiagnosticBuilder - This is a little helper class used to produce 6333cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// diagnostics. This is constructed by the Diagnostic::Report method, and 6343cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// allows insertion of extra information (arguments and source ranges) into the 6353cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// currently "in flight" diagnostic. When the temporary for the builder is 6363cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// destroyed, the diagnostic is issued. 6373cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// 6383cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// Note that many of these will be created as temporary objects (many call 6393cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// sites), so we want them to be small and we never want their address taken. 6403cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// This ensures that compilers with somewhat reasonable optimizers will promote 6413cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// the common fields to registers, eliminating increments of the NumArgs field, 6423cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// for example. 6433cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerclass DiagnosticBuilder { 6443cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner mutable Diagnostic *DiagObj; 645849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor mutable unsigned NumArgs, NumRanges, NumFixItHints; 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6473cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner void operator=(const DiagnosticBuilder&); // DO NOT IMPLEMENT 6483cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner friend class Diagnostic; 6493cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner explicit DiagnosticBuilder(Diagnostic *diagObj) 650849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor : DiagObj(diagObj), NumArgs(0), NumRanges(0), NumFixItHints(0) {} 651ee1828a6b5ae1bc4ea300e48f3840ac1ec5be295Douglas Gregor 6529b623639378d53a675921ddfa7316034d571881eDouglas Gregor friend class PartialDiagnostic; 653b535041ee33c5eff255832bc5541c8d52aae8254Douglas Gregor 654b535041ee33c5eff255832bc5541c8d52aae8254Douglas Gregorprotected: 655b535041ee33c5eff255832bc5541c8d52aae8254Douglas Gregor void FlushCounts(); 6569b623639378d53a675921ddfa7316034d571881eDouglas Gregor 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 6580a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// Copy constructor. When copied, this "takes" the diagnostic info from the 6590a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// input and neuters it. 6603cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DiagnosticBuilder(const DiagnosticBuilder &D) { 6610a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner DiagObj = D.DiagObj; 6620a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner D.DiagObj = 0; 66325a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor NumArgs = D.NumArgs; 66425a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor NumRanges = D.NumRanges; 665849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor NumFixItHints = D.NumFixItHints; 6660a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 66725a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor 6685e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// \brief Simple enumeration value used to give a name to the 6695e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// suppress-diagnostic constructor. 6705e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor enum SuppressKind { Suppress }; 6715e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor 6725e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// \brief Create an empty DiagnosticBuilder object that represents 6735e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// no actual diagnostic. 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit DiagnosticBuilder(SuppressKind) 675849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor : DiagObj(0), NumArgs(0), NumRanges(0), NumFixItHints(0) { } 6765e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor 67725a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// \brief Force the diagnostic builder to emit the diagnostic now. 67825a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// 67925a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// Once this function has been called, the DiagnosticBuilder object 68025a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// should not be used again before it is destroyed. 6815e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// 6825e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// \returns true if a diagnostic was emitted, false if the 6835e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// diagnostic was suppressed. 68493ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor bool Emit(); 68525a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor 68625a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// Destructor - The dtor emits the diagnostic if it hasn't already 68725a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// been emitted. 68825a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor ~DiagnosticBuilder() { Emit(); } 6891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 690d93256e55673a17d18543397ec462416acb13792Douglas Gregor /// isActive - Determine whether this diagnostic is still active. 691d93256e55673a17d18543397ec462416acb13792Douglas Gregor bool isActive() const { return DiagObj != 0; } 692d93256e55673a17d18543397ec462416acb13792Douglas Gregor 6939b623639378d53a675921ddfa7316034d571881eDouglas Gregor /// \brief Retrieve the active diagnostic ID. 6949b623639378d53a675921ddfa7316034d571881eDouglas Gregor /// 6959b623639378d53a675921ddfa7316034d571881eDouglas Gregor /// \pre \c isActive() 6969b623639378d53a675921ddfa7316034d571881eDouglas Gregor unsigned getDiagID() const { 6979b623639378d53a675921ddfa7316034d571881eDouglas Gregor assert(isActive() && "Diagnostic is inactive"); 6989b623639378d53a675921ddfa7316034d571881eDouglas Gregor return DiagObj->CurDiagID; 6999b623639378d53a675921ddfa7316034d571881eDouglas Gregor } 7009b623639378d53a675921ddfa7316034d571881eDouglas Gregor 7019b623639378d53a675921ddfa7316034d571881eDouglas Gregor /// \brief Clear out the current diagnostic. 7029b623639378d53a675921ddfa7316034d571881eDouglas Gregor void Clear() { DiagObj = 0; } 7039b623639378d53a675921ddfa7316034d571881eDouglas Gregor 7043cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// Operator bool: conversion of DiagnosticBuilder to bool always returns 7053cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// true. This allows is to be used in boolean error contexts like: 7063cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// return Diag(...); 7073cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner operator bool() const { return true; } 7083cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 709eaea925e70e3ee85809e572aa8474b8dfc491af7Daniel Dunbar void AddString(llvm::StringRef S) const { 7103cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(NumArgs < Diagnostic::MaxArguments && 7113cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "Too many arguments to diagnostic!"); 7125e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor if (DiagObj) { 7135e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor DiagObj->DiagArgumentsKind[NumArgs] = Diagnostic::ak_std_string; 7145e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor DiagObj->DiagArgumentsStr[NumArgs++] = S; 7155e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor } 7163cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner } 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7183cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner void AddTaggedVal(intptr_t V, Diagnostic::ArgumentKind Kind) const { 7193cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(NumArgs < Diagnostic::MaxArguments && 7203cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "Too many arguments to diagnostic!"); 7215e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor if (DiagObj) { 7225e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor DiagObj->DiagArgumentsKind[NumArgs] = Kind; 7235e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor DiagObj->DiagArgumentsVal[NumArgs++] = V; 7245e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor } 7250a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 7261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7270a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner void AddSourceRange(const CharSourceRange &R) const { 7281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NumRanges < 7293cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner sizeof(DiagObj->DiagRanges)/sizeof(DiagObj->DiagRanges[0]) && 7303cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "Too many arguments to diagnostic!"); 7315e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor if (DiagObj) 73251c6d384551674facc19f745ecf6e289d28dc55fDouglas Gregor DiagObj->DiagRanges[NumRanges++] = R; 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 7344b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 735849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor void AddFixItHint(const FixItHint &Hint) const { 7362f019aadc96f8fa3185c684c7150bd596d045064Anders Carlsson if (Hint.isNull()) 7372f019aadc96f8fa3185c684c7150bd596d045064Anders Carlsson return; 7382f019aadc96f8fa3185c684c7150bd596d045064Anders Carlsson 739849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor assert(NumFixItHints < Diagnostic::MaxFixItHints && 740849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor "Too many fix-it hints!"); 7415e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor if (DiagObj) 742849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor DiagObj->FixItHints[NumFixItHints++] = Hint; 7434b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 7443cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner}; 7453cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7463cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 747eaea925e70e3ee85809e572aa8474b8dfc491af7Daniel Dunbar llvm::StringRef S) { 7483cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddString(S); 7493cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7503cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7513cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7523cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 7533cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner const char *Str) { 7543cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(Str), 7553cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner Diagnostic::ak_c_string); 7563cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7573cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7583cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7593cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, int I) { 7603cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddTaggedVal(I, Diagnostic::ak_sint); 7613cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7623cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7633cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7643bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidisinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB,bool I) { 7653bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidis DB.AddTaggedVal(I, Diagnostic::ak_sint); 7663bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidis return DB; 7673bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidis} 7683bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidis 7693cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 7703cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner unsigned I) { 7713cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddTaggedVal(I, Diagnostic::ak_uint); 7723cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7733cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7743cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7753cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 7763cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner const IdentifierInfo *II) { 7773cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(II), 7783cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner Diagnostic::ak_identifierinfo); 7793cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7803cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7823f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor// Adds a DeclContext to the diagnostic. The enable_if template magic is here 7833f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor// so that we only match those arguments that are (statically) DeclContexts; 7843f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor// other arguments that derive from DeclContext (e.g., RecordDecls) will not 7853f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor// match. 7863f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregortemplate<typename T> 7873f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregorinline 7883f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregortypename llvm::enable_if<llvm::is_same<T, DeclContext>, 7893f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor const DiagnosticBuilder &>::type 7903f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregoroperator<<(const DiagnosticBuilder &DB, T *DC) { 7913f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor DB.AddTaggedVal(reinterpret_cast<intptr_t>(DC), 7923f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor Diagnostic::ak_declcontext); 7933f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor return DB; 7943f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor} 7953f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor 7963cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 7973cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner const SourceRange &R) { 7980a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner DB.AddSourceRange(CharSourceRange::getTokenRange(R)); 7993cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 8003cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 8014b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 8024b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregorinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 8030a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner const CharSourceRange &R) { 8040a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner DB.AddSourceRange(R); 8050a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner return DB; 8060a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner} 8070a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 8080a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 809849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor const FixItHint &Hint) { 810849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor DB.AddFixItHint(Hint); 8114b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return DB; 8124b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor} 813ee1828a6b5ae1bc4ea300e48f3840ac1ec5be295Douglas Gregor 8143cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// Report - Issue the message to the client. DiagID is a member of the 8153cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// diag::kind enum. This actually returns a new instance of DiagnosticBuilder 8163cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// which emits the diagnostics (through ProcessDiag) when it is destroyed. 81733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidisinline DiagnosticBuilder Diagnostic::Report(SourceLocation Loc, 81833e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis unsigned DiagID){ 8193cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(CurDiagID == ~0U && "Multiple diagnostics in flight at once!"); 8203cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner CurDiagLoc = Loc; 8213cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner CurDiagID = DiagID; 8223cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DiagnosticBuilder(this); 8233cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 8240f9fed70cea107b3f79df554e38bd8e98d48fe47Daniel Dunbarinline DiagnosticBuilder Diagnostic::Report(unsigned DiagID) { 82533e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Report(SourceLocation(), DiagID); 8260f9fed70cea107b3f79df554e38bd8e98d48fe47Daniel Dunbar} 8273cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 8283cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner//===----------------------------------------------------------------------===// 8293cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner// DiagnosticInfo 8303cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner//===----------------------------------------------------------------------===// 8311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8323cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// DiagnosticInfo - This is a little helper class (which is basically a smart 8334b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// pointer that forward info from Diagnostic) that allows clients to enquire 8343cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// about the currently in-flight diagnostic. 8353cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerclass DiagnosticInfo { 8363cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner const Diagnostic *DiagObj; 8373cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerpublic: 8383cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner explicit DiagnosticInfo(const Diagnostic *DO) : DiagObj(DO) {} 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8400a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner const Diagnostic *getDiags() const { return DiagObj; } 841b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner unsigned getID() const { return DiagObj->CurDiagID; } 84233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis const SourceLocation &getLocation() const { return DiagObj->CurDiagLoc; } 84333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis bool hasSourceManager() const { return DiagObj->hasSourceManager(); } 84433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis SourceManager &getSourceManager() const { return DiagObj->getSourceManager();} 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8460a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner unsigned getNumArgs() const { return DiagObj->NumDiagArgs; } 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84873d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// getArgKind - Return the kind of the specified index. Based on the kind 84973d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// of argument, the accessors below can be used to get the value. 8503cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner Diagnostic::ArgumentKind getArgKind(unsigned Idx) const { 8513cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(Idx < getNumArgs() && "Argument index out of range!"); 8523cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return (Diagnostic::ArgumentKind)DiagObj->DiagArgumentsKind[Idx]; 85373d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner } 8541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85573d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// getArgStdStr - Return the provided argument string specified by Idx. 85673d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner const std::string &getArgStdStr(unsigned Idx) const { 8573cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_std_string && 8583cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 85973d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner return DiagObj->DiagArgumentsStr[Idx]; 86073d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner } 8611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 86273d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// getArgCStr - Return the specified C string argument. 86373d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner const char *getArgCStr(unsigned Idx) const { 8643cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_c_string && 8653cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 86673d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner return reinterpret_cast<const char*>(DiagObj->DiagArgumentsVal[Idx]); 8670a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 8681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 86930bc96544346bea42921cf6837e66cef80d664b4Chris Lattner /// getArgSInt - Return the specified signed integer argument. 87030bc96544346bea42921cf6837e66cef80d664b4Chris Lattner int getArgSInt(unsigned Idx) const { 8713cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_sint && 8723cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 87330bc96544346bea42921cf6837e66cef80d664b4Chris Lattner return (int)DiagObj->DiagArgumentsVal[Idx]; 87430bc96544346bea42921cf6837e66cef80d664b4Chris Lattner } 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 87630bc96544346bea42921cf6837e66cef80d664b4Chris Lattner /// getArgUInt - Return the specified unsigned integer argument. 87730bc96544346bea42921cf6837e66cef80d664b4Chris Lattner unsigned getArgUInt(unsigned Idx) const { 8783cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_uint && 8793cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 88030bc96544346bea42921cf6837e66cef80d664b4Chris Lattner return (unsigned)DiagObj->DiagArgumentsVal[Idx]; 88130bc96544346bea42921cf6837e66cef80d664b4Chris Lattner } 8821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88343b628cd47ecdc3caf640d79b3ad7ecef0f2c285Chris Lattner /// getArgIdentifier - Return the specified IdentifierInfo argument. 88443b628cd47ecdc3caf640d79b3ad7ecef0f2c285Chris Lattner const IdentifierInfo *getArgIdentifier(unsigned Idx) const { 8853cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_identifierinfo && 8863cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 8879634379265855f1628190e926d9aaf1fb4a5d90eChris Lattner return reinterpret_cast<IdentifierInfo*>(DiagObj->DiagArgumentsVal[Idx]); 88843b628cd47ecdc3caf640d79b3ad7ecef0f2c285Chris Lattner } 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner /// getRawArg - Return the specified non-string argument in an opaque form. 89122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner intptr_t getRawArg(unsigned Idx) const { 89222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner assert(getArgKind(Idx) != Diagnostic::ak_std_string && 89322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner "invalid argument accessor!"); 89422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DiagObj->DiagArgumentsVal[Idx]; 89522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner } 8961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8980a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// getNumRanges - Return the number of source ranges associated with this 8990a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// diagnostic. 9000a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner unsigned getNumRanges() const { 9010a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner return DiagObj->NumDiagRanges; 9020a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9040a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner const CharSourceRange &getRange(unsigned Idx) const { 9050a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner assert(Idx < DiagObj->NumDiagRanges && "Invalid diagnostic range index!"); 90651c6d384551674facc19f745ecf6e289d28dc55fDouglas Gregor return DiagObj->DiagRanges[Idx]; 9070a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 9081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 909849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor unsigned getNumFixItHints() const { 910849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor return DiagObj->NumFixItHints; 9114b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 9124b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 913849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor const FixItHint &getFixItHint(unsigned Idx) const { 914849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor return DiagObj->FixItHints[Idx]; 9154b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 9164b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 917849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor const FixItHint *getFixItHints() const { 918849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor return DiagObj->NumFixItHints? 919849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor &DiagObj->FixItHints[0] : 0; 9204b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 9214b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 922f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner /// FormatDiagnostic - Format this diagnostic into a string, substituting the 923f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner /// formal arguments into the %0 slots. The result is appended onto the Str 924f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner /// array. 925f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner void FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const; 9269f28614bf1a8387000d8df57a713fcf69e198145John McCall 9279f28614bf1a8387000d8df57a713fcf69e198145John McCall /// FormatDiagnostic - Format the given format-string into the 9289f28614bf1a8387000d8df57a713fcf69e198145John McCall /// output buffer using the arguments stored in this diagnostic. 9299f28614bf1a8387000d8df57a713fcf69e198145John McCall void FormatDiagnostic(const char *DiagStr, const char *DiagEnd, 9309f28614bf1a8387000d8df57a713fcf69e198145John McCall llvm::SmallVectorImpl<char> &OutStr) const; 931a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor}; 932a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 933a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor/** 934d3ab63e0f66429abf2a3e4cde889e420e41e8790Douglas Gregor * \brief Represents a diagnostic in a form that can be retained until its 935d3ab63e0f66429abf2a3e4cde889e420e41e8790Douglas Gregor * corresponding source manager is destroyed. 936a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor */ 937a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregorclass StoredDiagnostic { 938aa5f135f8db82b5e5fb1640fd51f8078e0b2d82dDouglas Gregor unsigned ID; 939a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor Diagnostic::Level Level; 940a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor FullSourceLoc Loc; 941a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor std::string Message; 9420a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner std::vector<CharSourceRange> Ranges; 943849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor std::vector<FixItHint> FixIts; 944a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 945a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregorpublic: 946a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor StoredDiagnostic(); 947a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor StoredDiagnostic(Diagnostic::Level Level, const DiagnosticInfo &Info); 948aa5f135f8db82b5e5fb1640fd51f8078e0b2d82dDouglas Gregor StoredDiagnostic(Diagnostic::Level Level, unsigned ID, 949aa5f135f8db82b5e5fb1640fd51f8078e0b2d82dDouglas Gregor llvm::StringRef Message); 950a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor ~StoredDiagnostic(); 951a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 952a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor /// \brief Evaluates true when this object stores a diagnostic. 953a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor operator bool() const { return Message.size() > 0; } 954a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 955aa5f135f8db82b5e5fb1640fd51f8078e0b2d82dDouglas Gregor unsigned getID() const { return ID; } 956a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor Diagnostic::Level getLevel() const { return Level; } 957a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor const FullSourceLoc &getLocation() const { return Loc; } 958a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor llvm::StringRef getMessage() const { return Message; } 959c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor 960c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor void setLocation(FullSourceLoc Loc) { this->Loc = Loc; } 961c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor 9620a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner typedef std::vector<CharSourceRange>::const_iterator range_iterator; 963a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor range_iterator range_begin() const { return Ranges.begin(); } 964a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor range_iterator range_end() const { return Ranges.end(); } 965a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor unsigned range_size() const { return Ranges.size(); } 966a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 967849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor typedef std::vector<FixItHint>::const_iterator fixit_iterator; 968a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor fixit_iterator fixit_begin() const { return FixIts.begin(); } 969a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor fixit_iterator fixit_end() const { return FixIts.end(); } 970a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor unsigned fixit_size() const { return FixIts.size(); } 9715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DiagnosticClient - This is an abstract interface implemented by clients of 9745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the front-end, which formats and prints fully processed diagnostics. 9755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DiagnosticClient { 976ab41b97c3cddf1bcdd8bf82ab09ed3ceafcd05b1Argyrios Kyrtzidisprotected: 977f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned NumWarnings; // Number of warnings reported 978f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned NumErrors; // Number of errors reported 979f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis 9805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 981f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis DiagnosticClient() : NumWarnings(0), NumErrors(0) { } 982f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis 983f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned getNumErrors() const { return NumErrors; } 984f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned getNumWarnings() const { return NumWarnings; } 985f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~DiagnosticClient(); 9871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 988efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// BeginSourceFile - Callback to inform the diagnostic client that processing 989efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// of a source file is beginning. 990efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// 991efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// Note that diagnostics may be emitted outside the processing of a source 992efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// file, for example during the parsing of command line options. However, 993efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// diagnostics with source range information are required to only be emitted 994efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// in between BeginSourceFile() and EndSourceFile(). 995efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// 996efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// \arg LO - The language options for the source file being processed. 997efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// \arg PP - The preprocessor object being used for the source; this optional 998efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// and may not be present, for example when processing AST source files. 9997d90199f109290e9d587479a481a2850d390b552Daniel Dunbar virtual void BeginSourceFile(const LangOptions &LangOpts, 10007d90199f109290e9d587479a481a2850d390b552Daniel Dunbar const Preprocessor *PP = 0) {} 1001efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar 1002efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// EndSourceFile - Callback to inform the diagnostic client that processing 1003efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// of a source file has ended. The diagnostic client should assume that any 1004efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// objects made available via \see BeginSourceFile() are inaccessible. 1005efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar virtual void EndSourceFile() {} 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1007cabe66811fe43835b8c5a0854552768fc53261e3Ted Kremenek /// IncludeInDiagnosticCounts - This method (whose default implementation 1008efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// returns true) indicates whether the diagnostics handled by this 1009efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// DiagnosticClient should be included in the number of diagnostics reported 1010efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// by Diagnostic. 1011cabe66811fe43835b8c5a0854552768fc53261e3Ted Kremenek virtual bool IncludeInDiagnosticCounts() const; 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// HandleDiagnostic - Handle this diagnostic, reporting it to the user or 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// capturing it to a log as needed. 1015f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis /// 1016f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis /// Default implementation just keeps track of the total number of warnings 1017f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis /// and errors. 10180a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner virtual void HandleDiagnostic(Diagnostic::Level DiagLevel, 1019f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis const DiagnosticInfo &Info); 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1025