Diagnostic.h revision 4f5e21e24fb9e6ec473a13f83b5c9a2c41501a70
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 /// 1713efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis /// A new DiagState is created and kept around when diagnostic pragmas modify 1723efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis /// the state so that we know what is the diagnostic state at any given 1733efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis /// source location. 1740827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis class DiagState { 1753efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis llvm::DenseMap<unsigned, unsigned> DiagMap; 1763c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer 1773c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer public: 1783efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis typedef llvm::DenseMap<unsigned, unsigned>::const_iterator iterator; 1793efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis 1800827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis void setMapping(diag::kind Diag, unsigned Map) { DiagMap[Diag] = Map; } 1813c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer 1820827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis diag::Mapping getMapping(diag::kind Diag) const { 1833efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis iterator I = DiagMap.find(Diag); 1843efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis if (I != DiagMap.end()) 1853efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis return (diag::Mapping)I->second; 1863efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis return diag::Mapping(); 1873c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer } 1883efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis 1893efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis iterator begin() const { return DiagMap.begin(); } 1903efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis iterator end() const { return DiagMap.end(); } 1910827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis }; 1923c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer 1930827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Keeps and automatically disposes all DiagStates that we create. 1940827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis std::list<DiagState> DiagStates; 1950827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 1960827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Represents a point in source where the diagnostic state was 1970827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// modified because of a pragma. 'Loc' can be null if the point represents 1980827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// the diagnostic state modifications done through the command-line. 1990827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis struct DiagStatePoint { 2000827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagState *State; 2010827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis FullSourceLoc Loc; 2020827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePoint(DiagState *State, FullSourceLoc Loc) 2030827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis : State(State), Loc(Loc) { } 2040827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 2050827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis bool operator<(const DiagStatePoint &RHS) const { 2060827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis // If Loc is invalid it means it came from <command-line>, in which case 2070827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis // we regard it as coming before any valid source location. 2080827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis if (RHS.Loc.isInvalid()) 2090827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return false; 2100827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis if (Loc.isInvalid()) 2110827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return true; 2120827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return Loc.isBeforeInTranslationUnitThan(RHS.Loc); 2133c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer } 2143c2d3016adec79c81c4efff64e208fd3ecdd92aeBenjamin Kramer }; 21504ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 2160827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief A vector of all DiagStatePoints representing changes in diagnostic 2170827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// state due to diagnostic pragmas. The vector is always sorted according to 2180827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// the SourceLocation of the DiagStatePoint. 2190827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis typedef std::vector<DiagStatePoint> DiagStatePointsTy; 2200827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis mutable DiagStatePointsTy DiagStatePoints; 2210827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 2220827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Keeps the DiagState that was active during each diagnostic 'push' 2230827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// so we can get back at it when we 'pop'. 2240827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis std::vector<DiagState *> DiagStateOnPushStack; 2250827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 2260827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagState *GetCurDiagState() const { 2270827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis assert(!DiagStatePoints.empty()); 2280827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return DiagStatePoints.back().State; 2290827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis } 2300827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 2310827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis void PushDiagStatePoint(DiagState *State, SourceLocation L) { 2320827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis FullSourceLoc Loc(L, *SourceMgr); 2330827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis // Make sure that DiagStatePoints is always sorted according to Loc. 2340827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis assert((Loc.isValid() || DiagStatePoints.empty()) && 2350827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis "Adding invalid loc point after another point"); 2360827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis assert((Loc.isInvalid() || DiagStatePoints.empty() || 2370827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePoints.back().Loc.isInvalid() || 2380827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePoints.back().Loc.isBeforeInTranslationUnitThan(Loc)) && 2390827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis "Previous point loc comes after or is the same as new one"); 2400827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePoints.push_back(DiagStatePoint(State, 2410827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis FullSourceLoc(Loc, *SourceMgr))); 2420827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis } 2430827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 2440827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Finds the DiagStatePoint that contains the diagnostic state of 2450827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// the given source location. 2460827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagStatePointsTy::iterator GetDiagStatePointForLoc(SourceLocation Loc) const; 24704ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 24815221422eda7bac679e38b07512feda49715ef66Chris Lattner /// ErrorOccurred / FatalErrorOccurred - This is set to true when an error or 24915221422eda7bac679e38b07512feda49715ef66Chris Lattner /// fatal error is emitted, and is sticky. 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool ErrorOccurred; 25115221422eda7bac679e38b07512feda49715ef66Chris Lattner bool FatalErrorOccurred; 2521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 253f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner /// LastDiagLevel - This is the level of the last diagnostic emitted. This is 254f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner /// used to emit continuation diagnostics with the same level as the 255f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner /// diagnostic that they follow. 25633e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis DiagnosticIDs::Level LastDiagLevel; 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25853eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner unsigned NumWarnings; // Number of warnings reported 25953eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner unsigned NumErrors; // Number of errors reported 2601864f2eb59471d07db51adfc3e5b1a229eed631aDouglas Gregor unsigned NumErrorsSuppressed; // Number of errors suppressed 2617bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber 2623fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// ArgToStringFn - A function pointer that converts an opaque diagnostic 2633fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// argument to a strings. This takes the modifiers and argument that was 2643fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// present in the diagnostic. 265b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// 266b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// The PrevArgs array (whose length is NumPrevArgs) indicates the previous 267b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// arguments formatted for this diagnostic. Implementations of this function 268b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// can use this information to avoid redundancy across arguments. 269b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner /// 27022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner /// This is a hack to avoid a layering violation between libbasic and libsema. 2713fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner typedef void (*ArgToStringFnTy)(ArgumentKind Kind, intptr_t Val, 2723fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner const char *Modifier, unsigned ModifierLen, 2733fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner const char *Argument, unsigned ArgumentLen, 274b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner const ArgumentValue *PrevArgs, 275b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner unsigned NumPrevArgs, 27692dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner llvm::SmallVectorImpl<char> &Output, 27792dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner void *Cookie); 27892dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner void *ArgToStringCookie; 2793fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner ArgToStringFnTy ArgToStringFn; 28093ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 28193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief ID of the "delayed" diagnostic, which is a (typically 28293ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// fatal) diagnostic that had to be delayed because it was found 28393ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// while emitting another diagnostic. 28493ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor unsigned DelayedDiagID; 28593ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 28693ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief First string argument for the delayed diagnostic. 28793ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor std::string DelayedDiagArg1; 28893ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 28993ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief Second string argument for the delayed diagnostic. 29093ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor std::string DelayedDiagArg2; 29193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 29333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis explicit Diagnostic(const llvm::IntrusiveRefCntPtr<DiagnosticIDs> &Diags, 29433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis DiagnosticClient *client = 0, 29533e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis bool ShouldOwnClient = true); 296182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner ~Diagnostic(); 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29833e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis const llvm::IntrusiveRefCntPtr<DiagnosticIDs> &getDiagnosticIDs() const { 29933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Diags; 30033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 30133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis 30233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis DiagnosticClient *getClient() { return Client; } 30333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis const DiagnosticClient *getClient() const { return Client; } 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 305bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor /// \brief Return the current diagnostic client along with ownership of that 306bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor /// client. 30733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis DiagnosticClient *takeClient() { 30833e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis OwnsDiagClient = false; 30933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Client; 31033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 31133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis 31233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis bool hasSourceManager() const { return SourceMgr != 0; } 31333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis SourceManager &getSourceManager() const { 31433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis assert(SourceMgr && "SourceManager not set!"); 31533e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return *SourceMgr; 31633e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 31733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis void setSourceManager(SourceManager *SrcMgr) { SourceMgr = SrcMgr; } 31833e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis 31933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis //===--------------------------------------------------------------------===// 32033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis // Diagnostic characterization methods, used by a client to customize how 32133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis // diagnostics are emitted. 32233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis // 32304ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 3241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// pushMappings - Copies the current DiagMappings and pushes the new copy 32504ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// onto the top of the stack. 3260827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis void pushMappings(SourceLocation Loc); 32704ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 32804ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// popMappings - Pops the current DiagMappings off the top of the stack 32904ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// causing the new top of the stack to be the active mappings. Returns 33004ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// true if the pop happens, false if there is only one DiagMapping on the 33104ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner /// stack. 3320827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis bool popMappings(SourceLocation Loc); 33304ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 334bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor /// \brief Set the diagnostic client associated with this diagnostic object. 335bdbb004f38978da0c4a75af3294d1c7b5ff84af1Douglas Gregor /// 33633e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis /// \param ShouldOwnClient true if the diagnostic object should take 33733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis /// ownership of \c client. 3384f5e21e24fb9e6ec473a13f83b5c9a2c41501a70Douglas Gregor void setClient(DiagnosticClient *client, bool ShouldOwnClient = true); 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 340c100214fdc41a7ea215f75d433eb1cb829fd4330Chris Lattner /// setErrorLimit - Specify a limit for the number of errors we should 341b205ac9fcd22b87b41697172d1983c5ae9dabaafChris Lattner /// emit before giving up. Zero disables the limit. 342c100214fdc41a7ea215f75d433eb1cb829fd4330Chris Lattner void setErrorLimit(unsigned Limit) { ErrorLimit = Limit; } 343b205ac9fcd22b87b41697172d1983c5ae9dabaafChris Lattner 344575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor /// \brief Specify the maximum number of template instantiation 345575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor /// notes to emit along with a given diagnostic. 346575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor void setTemplateBacktraceLimit(unsigned Limit) { 347575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor TemplateBacktraceLimit = Limit; 348575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor } 3496c1cb9916e9988dcdd65b9266dbe24afd173427aDouglas Gregor 350575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor /// \brief Retrieve the maximum number of template instantiation 351575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor /// nodes to emit along with a given diagnostic. 352575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor unsigned getTemplateBacktraceLimit() const { 353575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor return TemplateBacktraceLimit; 354575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor } 3556c1cb9916e9988dcdd65b9266dbe24afd173427aDouglas Gregor 3565b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner /// setIgnoreAllWarnings - When set to true, any unmapped warnings are 3575b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner /// ignored. If this and WarningsAsErrors are both set, then this one wins. 3585b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner void setIgnoreAllWarnings(bool Val) { IgnoreAllWarnings = Val; } 3595b4681c8ef65808ec4d72ab6081efd24d53d4969Chris Lattner bool getIgnoreAllWarnings() const { return IgnoreAllWarnings; } 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// setWarningsAsErrors - When set to true, any warnings reported are issued 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// as errors. 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setWarningsAsErrors(bool Val) { WarningsAsErrors = Val; } 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool getWarningsAsErrors() const { return WarningsAsErrors; } 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 366e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner /// setErrorsAsFatal - When set to true, any error reported is made a 367e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner /// fatal error. 368e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner void setErrorsAsFatal(bool Val) { ErrorsAsFatal = Val; } 369e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner bool getErrorsAsFatal() const { return ErrorsAsFatal; } 370e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner 3712fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar /// setSuppressSystemWarnings - When set to true mask warnings that 3722fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar /// come from system headers. 3732fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar void setSuppressSystemWarnings(bool Val) { SuppressSystemWarnings = Val; } 3742fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar bool getSuppressSystemWarnings() const { return SuppressSystemWarnings; } 3752fe0997427d92388e66e7573f4b043e7ba285ef0Daniel Dunbar 37681b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor /// \brief Suppress all diagnostics, to silence the front end when we 37781b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor /// know that we don't want any more diagnostics to be passed along to the 37881b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor /// client 37981b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor void setSuppressAllDiagnostics(bool Val = true) { 38081b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor SuppressAllDiagnostics = Val; 38181b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor } 38281b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor bool getSuppressAllDiagnostics() const { return SuppressAllDiagnostics; } 38381b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor 3845edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin /// \brief Specify which overload candidates to show when overload resolution 3855edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin /// fails. By default, we show all candidates. 3865edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin void setShowOverloads(OverloadsShown Val) { 3875edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin ShowOverloads = Val; 3885edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin } 3895edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin OverloadsShown getShowOverloads() const { return ShowOverloads; } 3905edbdcc62098e305cd55654814dcf783a3f3c477Jeffrey Yasskin 3910b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor /// \brief Pretend that the last diagnostic issued was ignored. This can 3920b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor /// be used by clients who suppress diagnostics themselves. 3930b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor void setLastDiagnosticIgnored() { 39433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis LastDiagLevel = DiagnosticIDs::Ignored; 3950b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor } 3960b60d9e0097e2d6a1a5e62396967e207c4a772f2Douglas Gregor 397b54b276a920246c595a0498da281821eb9d22996Chris Lattner /// setExtensionHandlingBehavior - This controls whether otherwise-unmapped 398b54b276a920246c595a0498da281821eb9d22996Chris Lattner /// extension diagnostics are mapped onto ignore/warning/error. This 399b54b276a920246c595a0498da281821eb9d22996Chris Lattner /// corresponds to the GCC -pedantic and -pedantic-errors option. 400b54b276a920246c595a0498da281821eb9d22996Chris Lattner void setExtensionHandlingBehavior(ExtensionHandling H) { 401b54b276a920246c595a0498da281821eb9d22996Chris Lattner ExtBehavior = H; 402b54b276a920246c595a0498da281821eb9d22996Chris Lattner } 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40427ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner /// AllExtensionsSilenced - This is a counter bumped when an __extension__ 40527ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner /// block is encountered. When non-zero, all extension diagnostics are 40627ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner /// entirely silenced, no matter how they are mapped. 40727ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner void IncrementAllExtensionsSilenced() { ++AllExtensionsSilenced; } 40827ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner void DecrementAllExtensionsSilenced() { --AllExtensionsSilenced; } 40991a2886d558ea6ca7a0bed73ab5acea5ae78eac2Douglas Gregor bool hasAllExtensionsSilenced() { return AllExtensionsSilenced != 0; } 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4110827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief This allows the client to specify that certain 412691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// warnings are ignored. Notes can never be mapped, errors can only be 413691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// mapped to fatal, and WARNINGs and EXTENSIONs can be mapped arbitrarily. 4140827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 4150827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \param Loc The source location that this change of diagnostic state should 4160827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// take affect. It can be null if we are setting the latest state. 4170827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis void setDiagnosticMapping(diag::kind Diag, diag::Mapping Map, 4180827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis SourceLocation Loc); 4191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4203bc172bc6a787842db6fea351cf6929539fca70dChris Lattner /// setDiagnosticGroupMapping - Change an entire diagnostic group (e.g. 4213bc172bc6a787842db6fea351cf6929539fca70dChris Lattner /// "unknown-pragmas" to have the specified mapping. This returns true and 4223bc172bc6a787842db6fea351cf6929539fca70dChris Lattner /// ignores the request if "Group" was unknown, false otherwise. 4230827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 4240827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 'Loc' is the source location that this change of diagnostic state should 4250827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// take affect. It can be null if we are setting the state from command-line. 4260827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis bool setDiagnosticGroupMapping(const char *Group, diag::Mapping Map, 4270827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis SourceLocation Loc = SourceLocation()) { 4280827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return Diags->setDiagnosticGroupMapping(Group, Map, Loc, *this); 42933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasErrorOccurred() const { return ErrorOccurred; } 43215221422eda7bac679e38b07512feda49715ef66Chris Lattner bool hasFatalErrorOccurred() const { return FatalErrorOccurred; } 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 43453eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner unsigned getNumWarnings() const { return NumWarnings; } 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 436c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor void setNumWarnings(unsigned NumWarnings) { 437c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor this->NumWarnings = NumWarnings; 438c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor } 439c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor 440182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// getCustomDiagID - Return an ID for a diagnostic with the specified message 441182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// and level. If this is the first request for this diagnosic, it is 442182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner /// registered and created, otherwise the existing ID is returned. 44333e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis unsigned getCustomDiagID(Level L, llvm::StringRef Message) { 44433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Diags->getCustomDiagID((DiagnosticIDs::Level)L, Message); 44533e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4473fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// ConvertArgToString - This method converts a diagnostic argument (as an 4483fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner /// intptr_t) into the string that represents it. 4493fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner void ConvertArgToString(ArgumentKind Kind, intptr_t Val, 4503fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner const char *Modifier, unsigned ModLen, 4513fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner const char *Argument, unsigned ArgLen, 452b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner const ArgumentValue *PrevArgs, unsigned NumPrevArgs, 4533fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner llvm::SmallVectorImpl<char> &Output) const { 454b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner ArgToStringFn(Kind, Val, Modifier, ModLen, Argument, ArgLen, 455b54d8af9a66cc20a6a9a9219c7eaea8df7ee7fd4Chris Lattner PrevArgs, NumPrevArgs, Output, ArgToStringCookie); 45622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner } 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45892dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner void SetArgToStringFn(ArgToStringFnTy Fn, void *Cookie) { 4593fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner ArgToStringFn = Fn; 46092dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner ArgToStringCookie = Cookie; 46122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner } 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 463abc563f554951259bbe0315055cad92ee14d87e4Douglas Gregor /// \brief Reset the state of the diagnostic object to its initial 464abc563f554951259bbe0315055cad92ee14d87e4Douglas Gregor /// configuration. 465abc563f554951259bbe0315055cad92ee14d87e4Douglas Gregor void Reset(); 466abc563f554951259bbe0315055cad92ee14d87e4Douglas Gregor 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Diagnostic classification and reporting interfaces. 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4710827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Based on the way the client configured the Diagnostic 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object, classify the specified diagnostic ID into a Level, consumable by 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the DiagnosticClient. 4740827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 4750827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \param Loc The source location we are interested in finding out the 4760827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// diagnostic state. Can be null in order to query the latest state. 4770827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis Level getDiagnosticLevel(unsigned DiagID, SourceLocation Loc) const { 4780827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return (Level)Diags->getDiagnosticLevel(DiagID, Loc, *this); 47933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 481509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// Report - Issue the message to the client. @c DiagID is a member of the 482509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// @c diag::kind enum. This actually returns aninstance of DiagnosticBuilder 483509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// which emits the diagnostics (through @c ProcessDiag) when it is destroyed. 484509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// @c Pos represents the source location associated with the diagnostic, 485509355e982d15da4f8f3939493516379665f6275Ted Kremenek /// which can be an invalid location if no position information is available. 48633e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis inline DiagnosticBuilder Report(SourceLocation Pos, unsigned DiagID); 4870f9fed70cea107b3f79df554e38bd8e98d48fe47Daniel Dunbar inline DiagnosticBuilder Report(unsigned DiagID); 488de4bf6a63219c5b9d3bce1fed3dfe075568098a0Douglas Gregor 48993ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief Determine whethere there is already a diagnostic in flight. 4905800f7ea9cf5621280089d690f677bd28064d6b5Ted Kremenek bool isDiagnosticInFlight() const { return CurDiagID != ~0U; } 49193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 49293ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief Set the "delayed" diagnostic that will be emitted once 49393ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// the current diagnostic completes. 49493ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// 49593ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// If a diagnostic is already in-flight but the front end must 49693ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// report a problem (e.g., with an inconsistent file system 49793ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// state), this routine sets a "delayed" diagnostic that will be 49893ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// emitted after the current diagnostic completes. This should 49993ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// only be used for fatal errors detected at inconvenient 50093ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// times. If emitting a delayed diagnostic causes a second delayed 50193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// diagnostic to be introduced, that second delayed diagnostic 50293ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// will be ignored. 50393ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// 50493ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \param DiagID The ID of the diagnostic being delayed. 50593ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// 50693ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \param Arg1 A string argument that will be provided to the 50793ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// diagnostic. A copy of this string will be stored in the 50893ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// Diagnostic object itself. 50993ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// 51093ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \param Arg2 A string argument that will be provided to the 51193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// diagnostic. A copy of this string will be stored in the 51293ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// Diagnostic object itself. 51393ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor void SetDelayedDiagnostic(unsigned DiagID, llvm::StringRef Arg1 = "", 51493ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor llvm::StringRef Arg2 = ""); 51593ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 516de4bf6a63219c5b9d3bce1fed3dfe075568098a0Douglas Gregor /// \brief Clear out the current diagnostic. 517de4bf6a63219c5b9d3bce1fed3dfe075568098a0Douglas Gregor void Clear() { CurDiagID = ~0U; } 5181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5190a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattnerprivate: 52093ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor /// \brief Report the delayed diagnostic. 52193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor void ReportDelayed(); 52293ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 52393ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor 524691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// getDiagnosticMappingInfo - Return the mapping info currently set for the 525691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// specified builtin diagnostic. This returns the high bit encoding, or zero 526691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner /// if the field is completely uninitialized. 5270827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis diag::Mapping getDiagnosticMappingInfo(diag::kind Diag, 5280827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis DiagState *State) const { 5290827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return State->getMapping(Diag); 530691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner } 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 532691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner void setDiagnosticMappingInternal(unsigned DiagId, unsigned Map, 5333efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis DiagState *State, 5343efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis bool isUser, bool isPragma) const { 535691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner if (isUser) Map |= 8; // Set the high bit for user mappings. 5363efd52cf8f4e57c5571bd8cc3168264c3bc46a1eArgyrios Kyrtzidis if (isPragma) Map |= 0x10; // Set the bit for diagnostic pragma mappings. 5370827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis State->setMapping((diag::kind)DiagId, Map); 5389faf50e62ddcd2535b472abc8daafd7042120caaChris Lattner } 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5403cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner // This is private state used by DiagnosticBuilder. We put it here instead of 5413cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner // in DiagnosticBuilder in order to keep DiagnosticBuilder a small lightweight 5420a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // object. This implementation choice means that we can only have one 5430a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // diagnostic "in flight" at a time, but this seems to be a reasonable 5440a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // tradeoff to keep these objects small. Assertions verify that only one 5450a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner // diagnostic is in flight at a time. 54633e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis friend class DiagnosticIDs; 5473cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner friend class DiagnosticBuilder; 5480a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner friend class DiagnosticInfo; 5499b623639378d53a675921ddfa7316034d571881eDouglas Gregor friend class PartialDiagnostic; 5509c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis friend class DiagnosticErrorTrap; 5519b623639378d53a675921ddfa7316034d571881eDouglas Gregor 552b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner /// CurDiagLoc - This is the location of the current diagnostic that is in 553b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner /// flight. 55433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis SourceLocation CurDiagLoc; 5551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 556b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner /// CurDiagID - This is the ID of the current diagnostic that is in flight. 5573cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// This is set to ~0U when there is no diagnostic in flight. 558b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner unsigned CurDiagID; 559b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner 56073d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner enum { 56173d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// MaxArguments - The maximum number of arguments we can hold. We currently 56273d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// only support up to 10 arguments (%0-%9). A single diagnostic with more 56373d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// than that almost certainly has to be simplified anyway. 56473d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner MaxArguments = 10 56573d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner }; 5661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5673cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// NumDiagArgs - This contains the number of entries in Arguments. 568730e0fdbbf9b315ef834074054ac55af3a4fcc0cChris Lattner signed char NumDiagArgs; 569730e0fdbbf9b315ef834074054ac55af3a4fcc0cChris Lattner /// NumRanges - This is the number of ranges in the DiagRanges array. 570730e0fdbbf9b315ef834074054ac55af3a4fcc0cChris Lattner unsigned char NumDiagRanges; 5714b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// \brief The number of code modifications hints in the 572849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor /// FixItHints array. 573849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor unsigned char NumFixItHints; 574ee1828a6b5ae1bc4ea300e48f3840ac1ec5be295Douglas Gregor 57573d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// DiagArgumentsKind - This is an array of ArgumentKind::ArgumentKind enum 57673d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// values, with one for each argument. This specifies whether the argument 57773d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// is in DiagArgumentsStr or in DiagArguments. 57873d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner unsigned char DiagArgumentsKind[MaxArguments]; 5791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58073d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// DiagArgumentsStr - This holds the values of each string argument for the 58173d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// current diagnostic. This value is only used when the corresponding 58273d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// ArgumentKind is ak_std_string. 58373d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner std::string DiagArgumentsStr[MaxArguments]; 58473d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner 58573d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// DiagArgumentsVal - The values for the various substitution positions. This 58673d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// is used when the argument is not an std::string. The specific value is 58773d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// mangled into an intptr_t and the intepretation depends on exactly what 58873d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// sort of argument kind it is. 58973d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner intptr_t DiagArgumentsVal[MaxArguments]; 5901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5910a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// DiagRanges - The list of ranges added to this diagnostic. It currently 5920a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// only support 10 ranges, could easily be extended if needed. 5930a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner CharSourceRange DiagRanges[10]; 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 595849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor enum { MaxFixItHints = 3 }; 5964b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 597849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor /// FixItHints - If valid, provides a hint with some code 5984b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor /// to insert, remove, or modify at a particular position. 599849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor FixItHint FixItHints[MaxFixItHints]; 6004b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 6010a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// ProcessDiag - This is the method used to report a diagnostic that is 6020a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// finally fully formed. 6035e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// 6045e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// \returns true if the diagnostic was emitted, false if it was 6055e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// suppressed. 60633e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis bool ProcessDiag() { 60733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Diags->ProcessDiag(*this); 60833e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis } 609f41d3be39980d40849850d3fb90403623cc8459eArgyrios Kyrtzidis 610f41d3be39980d40849850d3fb90403623cc8459eArgyrios Kyrtzidis friend class ASTReader; 611f41d3be39980d40849850d3fb90403623cc8459eArgyrios Kyrtzidis friend class ASTWriter; 6123cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner}; 6133cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 6149c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis/// \brief RAII class that determines when any errors have occurred 6159c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis/// between the time the instance was created and the time it was 6169c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis/// queried. 6179c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidisclass DiagnosticErrorTrap { 6189c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis Diagnostic &Diag; 6199c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis unsigned PrevErrors; 6209c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis 6219c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidispublic: 6229c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis explicit DiagnosticErrorTrap(Diagnostic &Diag) 6239c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis : Diag(Diag), PrevErrors(Diag.NumErrors) {} 6249c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis 6259c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis /// \brief Determine whether any errors have occurred since this 6269c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis /// object instance was created. 6279c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis bool hasErrorOccurred() const { 6289c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis return Diag.NumErrors > PrevErrors; 6299c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis } 6309c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis 6319c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis // Set to initial state of "no errors occurred". 6329c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis void reset() { PrevErrors = Diag.NumErrors; } 6339c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis}; 6349c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis 6353cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner//===----------------------------------------------------------------------===// 6363cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner// DiagnosticBuilder 6373cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner//===----------------------------------------------------------------------===// 6383cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 6393cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// DiagnosticBuilder - This is a little helper class used to produce 6403cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// diagnostics. This is constructed by the Diagnostic::Report method, and 6413cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// allows insertion of extra information (arguments and source ranges) into the 6423cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// currently "in flight" diagnostic. When the temporary for the builder is 6433cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// destroyed, the diagnostic is issued. 6443cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// 6453cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// Note that many of these will be created as temporary objects (many call 6463cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// sites), so we want them to be small and we never want their address taken. 6473cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// This ensures that compilers with somewhat reasonable optimizers will promote 6483cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// the common fields to registers, eliminating increments of the NumArgs field, 6493cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// for example. 6503cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerclass DiagnosticBuilder { 6513cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner mutable Diagnostic *DiagObj; 652849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor mutable unsigned NumArgs, NumRanges, NumFixItHints; 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6543cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner void operator=(const DiagnosticBuilder&); // DO NOT IMPLEMENT 6553cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner friend class Diagnostic; 6563cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner explicit DiagnosticBuilder(Diagnostic *diagObj) 657849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor : DiagObj(diagObj), NumArgs(0), NumRanges(0), NumFixItHints(0) {} 658ee1828a6b5ae1bc4ea300e48f3840ac1ec5be295Douglas Gregor 6599b623639378d53a675921ddfa7316034d571881eDouglas Gregor friend class PartialDiagnostic; 660b535041ee33c5eff255832bc5541c8d52aae8254Douglas Gregor 661b535041ee33c5eff255832bc5541c8d52aae8254Douglas Gregorprotected: 662b535041ee33c5eff255832bc5541c8d52aae8254Douglas Gregor void FlushCounts(); 6639b623639378d53a675921ddfa7316034d571881eDouglas Gregor 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 6650a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// Copy constructor. When copied, this "takes" the diagnostic info from the 6660a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// input and neuters it. 6673cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DiagnosticBuilder(const DiagnosticBuilder &D) { 6680a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner DiagObj = D.DiagObj; 6690a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner D.DiagObj = 0; 67025a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor NumArgs = D.NumArgs; 67125a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor NumRanges = D.NumRanges; 672849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor NumFixItHints = D.NumFixItHints; 6730a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 67425a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor 6755e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// \brief Simple enumeration value used to give a name to the 6765e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// suppress-diagnostic constructor. 6775e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor enum SuppressKind { Suppress }; 6785e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor 6795e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// \brief Create an empty DiagnosticBuilder object that represents 6805e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// no actual diagnostic. 6811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit DiagnosticBuilder(SuppressKind) 682849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor : DiagObj(0), NumArgs(0), NumRanges(0), NumFixItHints(0) { } 6835e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor 68425a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// \brief Force the diagnostic builder to emit the diagnostic now. 68525a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// 68625a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// Once this function has been called, the DiagnosticBuilder object 68725a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// should not be used again before it is destroyed. 6885e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// 6895e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// \returns true if a diagnostic was emitted, false if the 6905e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor /// diagnostic was suppressed. 69193ea5cb0edf8e509c5113e70cb05ee247c9bdf6bDouglas Gregor bool Emit(); 69225a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor 69325a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// Destructor - The dtor emits the diagnostic if it hasn't already 69425a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor /// been emitted. 69525a88bbf042317976f0d9cbfa87dfe89426e8393Douglas Gregor ~DiagnosticBuilder() { Emit(); } 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 697d93256e55673a17d18543397ec462416acb13792Douglas Gregor /// isActive - Determine whether this diagnostic is still active. 698d93256e55673a17d18543397ec462416acb13792Douglas Gregor bool isActive() const { return DiagObj != 0; } 699d93256e55673a17d18543397ec462416acb13792Douglas Gregor 7009b623639378d53a675921ddfa7316034d571881eDouglas Gregor /// \brief Retrieve the active diagnostic ID. 7019b623639378d53a675921ddfa7316034d571881eDouglas Gregor /// 7029b623639378d53a675921ddfa7316034d571881eDouglas Gregor /// \pre \c isActive() 7039b623639378d53a675921ddfa7316034d571881eDouglas Gregor unsigned getDiagID() const { 7049b623639378d53a675921ddfa7316034d571881eDouglas Gregor assert(isActive() && "Diagnostic is inactive"); 7059b623639378d53a675921ddfa7316034d571881eDouglas Gregor return DiagObj->CurDiagID; 7069b623639378d53a675921ddfa7316034d571881eDouglas Gregor } 7079b623639378d53a675921ddfa7316034d571881eDouglas Gregor 7089b623639378d53a675921ddfa7316034d571881eDouglas Gregor /// \brief Clear out the current diagnostic. 7099b623639378d53a675921ddfa7316034d571881eDouglas Gregor void Clear() { DiagObj = 0; } 7109b623639378d53a675921ddfa7316034d571881eDouglas Gregor 7113cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// Operator bool: conversion of DiagnosticBuilder to bool always returns 7123cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// true. This allows is to be used in boolean error contexts like: 7133cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner /// return Diag(...); 7143cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner operator bool() const { return true; } 7153cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 716eaea925e70e3ee85809e572aa8474b8dfc491af7Daniel Dunbar void AddString(llvm::StringRef S) const { 7173cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(NumArgs < Diagnostic::MaxArguments && 7183cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "Too many arguments to diagnostic!"); 7195e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor if (DiagObj) { 7205e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor DiagObj->DiagArgumentsKind[NumArgs] = Diagnostic::ak_std_string; 7215e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor DiagObj->DiagArgumentsStr[NumArgs++] = S; 7225e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor } 7233cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner } 7241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7253cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner void AddTaggedVal(intptr_t V, Diagnostic::ArgumentKind Kind) const { 7263cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(NumArgs < Diagnostic::MaxArguments && 7273cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "Too many arguments to diagnostic!"); 7285e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor if (DiagObj) { 7295e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor DiagObj->DiagArgumentsKind[NumArgs] = Kind; 7305e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor DiagObj->DiagArgumentsVal[NumArgs++] = V; 7315e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor } 7320a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7340a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner void AddSourceRange(const CharSourceRange &R) const { 7351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NumRanges < 7363cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner sizeof(DiagObj->DiagRanges)/sizeof(DiagObj->DiagRanges[0]) && 7373cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "Too many arguments to diagnostic!"); 7385e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor if (DiagObj) 73951c6d384551674facc19f745ecf6e289d28dc55fDouglas Gregor DiagObj->DiagRanges[NumRanges++] = R; 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 7414b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 742849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor void AddFixItHint(const FixItHint &Hint) const { 7432f019aadc96f8fa3185c684c7150bd596d045064Anders Carlsson if (Hint.isNull()) 7442f019aadc96f8fa3185c684c7150bd596d045064Anders Carlsson return; 7452f019aadc96f8fa3185c684c7150bd596d045064Anders Carlsson 746849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor assert(NumFixItHints < Diagnostic::MaxFixItHints && 747849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor "Too many fix-it hints!"); 7485e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor if (DiagObj) 749849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor DiagObj->FixItHints[NumFixItHints++] = Hint; 7504b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 7513cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner}; 7523cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7533cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 754eaea925e70e3ee85809e572aa8474b8dfc491af7Daniel Dunbar llvm::StringRef S) { 7553cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddString(S); 7563cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7573cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7583cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7593cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 7603cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner const char *Str) { 7613cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(Str), 7623cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner Diagnostic::ak_c_string); 7633cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7643cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7653cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7663cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, int I) { 7673cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddTaggedVal(I, Diagnostic::ak_sint); 7683cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7693cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7703cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7713bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidisinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB,bool I) { 7723bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidis DB.AddTaggedVal(I, Diagnostic::ak_sint); 7733bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidis return DB; 7743bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidis} 7753bf4a79712fb30dc27692ef2d4214ee7fa6681beArgyrios Kyrtzidis 7763cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 7773cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner unsigned I) { 7783cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddTaggedVal(I, Diagnostic::ak_uint); 7793cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7803cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7813cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 7823cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 7833cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner const IdentifierInfo *II) { 7843cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(II), 7853cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner Diagnostic::ak_identifierinfo); 7863cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 7873cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7893f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor// Adds a DeclContext to the diagnostic. The enable_if template magic is here 7903f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor// so that we only match those arguments that are (statically) DeclContexts; 7913f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor// other arguments that derive from DeclContext (e.g., RecordDecls) will not 7923f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor// match. 7933f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregortemplate<typename T> 7943f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregorinline 7953f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregortypename llvm::enable_if<llvm::is_same<T, DeclContext>, 7963f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor const DiagnosticBuilder &>::type 7973f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregoroperator<<(const DiagnosticBuilder &DB, T *DC) { 7983f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor DB.AddTaggedVal(reinterpret_cast<intptr_t>(DC), 7993f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor Diagnostic::ak_declcontext); 8003f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor return DB; 8013f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor} 8023f09327b26033d0a9676d52d80cf92c48f581affDouglas Gregor 8033cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 8043cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner const SourceRange &R) { 8050a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner DB.AddSourceRange(CharSourceRange::getTokenRange(R)); 8063cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DB; 8073cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 8084b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 8094b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregorinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 8100a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner const CharSourceRange &R) { 8110a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner DB.AddSourceRange(R); 8120a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner return DB; 8130a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner} 8140a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 8150a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 816849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor const FixItHint &Hint) { 817849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor DB.AddFixItHint(Hint); 8184b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return DB; 8194b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor} 820ee1828a6b5ae1bc4ea300e48f3840ac1ec5be295Douglas Gregor 8213cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// Report - Issue the message to the client. DiagID is a member of the 8223cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// diag::kind enum. This actually returns a new instance of DiagnosticBuilder 8233cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// which emits the diagnostics (through ProcessDiag) when it is destroyed. 82433e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidisinline DiagnosticBuilder Diagnostic::Report(SourceLocation Loc, 82533e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis unsigned DiagID){ 8263cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(CurDiagID == ~0U && "Multiple diagnostics in flight at once!"); 8273cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner CurDiagLoc = Loc; 8283cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner CurDiagID = DiagID; 8293cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return DiagnosticBuilder(this); 8303cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner} 8310f9fed70cea107b3f79df554e38bd8e98d48fe47Daniel Dunbarinline DiagnosticBuilder Diagnostic::Report(unsigned DiagID) { 83233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Report(SourceLocation(), DiagID); 8330f9fed70cea107b3f79df554e38bd8e98d48fe47Daniel Dunbar} 8343cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner 8353cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner//===----------------------------------------------------------------------===// 8363cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner// DiagnosticInfo 8373cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner//===----------------------------------------------------------------------===// 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8393cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// DiagnosticInfo - This is a little helper class (which is basically a smart 8404b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// pointer that forward info from Diagnostic) that allows clients to enquire 8413cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner/// about the currently in-flight diagnostic. 8423cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerclass DiagnosticInfo { 8433cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner const Diagnostic *DiagObj; 8443cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerpublic: 8453cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner explicit DiagnosticInfo(const Diagnostic *DO) : DiagObj(DO) {} 8461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8470a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner const Diagnostic *getDiags() const { return DiagObj; } 848b7fc3b87d065041a10eaa0603d738df21ff7af3aChris Lattner unsigned getID() const { return DiagObj->CurDiagID; } 84933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis const SourceLocation &getLocation() const { return DiagObj->CurDiagLoc; } 85033e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis bool hasSourceManager() const { return DiagObj->hasSourceManager(); } 85133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis SourceManager &getSourceManager() const { return DiagObj->getSourceManager();} 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8530a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner unsigned getNumArgs() const { return DiagObj->NumDiagArgs; } 8541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85573d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// getArgKind - Return the kind of the specified index. Based on the kind 85673d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// of argument, the accessors below can be used to get the value. 8573cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner Diagnostic::ArgumentKind getArgKind(unsigned Idx) const { 8583cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(Idx < getNumArgs() && "Argument index out of range!"); 8593cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner return (Diagnostic::ArgumentKind)DiagObj->DiagArgumentsKind[Idx]; 86073d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner } 8611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 86273d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// getArgStdStr - Return the provided argument string specified by Idx. 86373d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner const std::string &getArgStdStr(unsigned Idx) const { 8643cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_std_string && 8653cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 86673d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner return DiagObj->DiagArgumentsStr[Idx]; 86773d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner } 8681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 86973d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner /// getArgCStr - Return the specified C string argument. 87073d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner const char *getArgCStr(unsigned Idx) const { 8713cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_c_string && 8723cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 87373d2a1b05bb04ab0136af374ddaa5d4602d4c939Chris Lattner return reinterpret_cast<const char*>(DiagObj->DiagArgumentsVal[Idx]); 8740a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 87630bc96544346bea42921cf6837e66cef80d664b4Chris Lattner /// getArgSInt - Return the specified signed integer argument. 87730bc96544346bea42921cf6837e66cef80d664b4Chris Lattner int getArgSInt(unsigned Idx) const { 8783cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_sint && 8793cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 88030bc96544346bea42921cf6837e66cef80d664b4Chris Lattner return (int)DiagObj->DiagArgumentsVal[Idx]; 88130bc96544346bea42921cf6837e66cef80d664b4Chris Lattner } 8821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88330bc96544346bea42921cf6837e66cef80d664b4Chris Lattner /// getArgUInt - Return the specified unsigned integer argument. 88430bc96544346bea42921cf6837e66cef80d664b4Chris Lattner unsigned getArgUInt(unsigned Idx) const { 8853cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_uint && 8863cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 88730bc96544346bea42921cf6837e66cef80d664b4Chris Lattner return (unsigned)DiagObj->DiagArgumentsVal[Idx]; 88830bc96544346bea42921cf6837e66cef80d664b4Chris Lattner } 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89043b628cd47ecdc3caf640d79b3ad7ecef0f2c285Chris Lattner /// getArgIdentifier - Return the specified IdentifierInfo argument. 89143b628cd47ecdc3caf640d79b3ad7ecef0f2c285Chris Lattner const IdentifierInfo *getArgIdentifier(unsigned Idx) const { 8923cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner assert(getArgKind(Idx) == Diagnostic::ak_identifierinfo && 8933cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner "invalid argument accessor!"); 8949634379265855f1628190e926d9aaf1fb4a5d90eChris Lattner return reinterpret_cast<IdentifierInfo*>(DiagObj->DiagArgumentsVal[Idx]); 89543b628cd47ecdc3caf640d79b3ad7ecef0f2c285Chris Lattner } 8961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner /// getRawArg - Return the specified non-string argument in an opaque form. 89822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner intptr_t getRawArg(unsigned Idx) const { 89922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner assert(getArgKind(Idx) != Diagnostic::ak_std_string && 90022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner "invalid argument accessor!"); 90122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DiagObj->DiagArgumentsVal[Idx]; 90222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner } 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9050a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// getNumRanges - Return the number of source ranges associated with this 9060a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner /// diagnostic. 9070a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner unsigned getNumRanges() const { 9080a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner return DiagObj->NumDiagRanges; 9090a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 9101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9110a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner const CharSourceRange &getRange(unsigned Idx) const { 9120a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner assert(Idx < DiagObj->NumDiagRanges && "Invalid diagnostic range index!"); 91351c6d384551674facc19f745ecf6e289d28dc55fDouglas Gregor return DiagObj->DiagRanges[Idx]; 9140a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner } 9151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 916849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor unsigned getNumFixItHints() const { 917849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor return DiagObj->NumFixItHints; 9184b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 9194b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 920849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor const FixItHint &getFixItHint(unsigned Idx) const { 921849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor return DiagObj->FixItHints[Idx]; 9224b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 9234b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 924849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor const FixItHint *getFixItHints() const { 925849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor return DiagObj->NumFixItHints? 926849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor &DiagObj->FixItHints[0] : 0; 9274b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 9284b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 929f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner /// FormatDiagnostic - Format this diagnostic into a string, substituting the 930f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner /// formal arguments into the %0 slots. The result is appended onto the Str 931f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner /// array. 932f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner void FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const; 9339f28614bf1a8387000d8df57a713fcf69e198145John McCall 9349f28614bf1a8387000d8df57a713fcf69e198145John McCall /// FormatDiagnostic - Format the given format-string into the 9359f28614bf1a8387000d8df57a713fcf69e198145John McCall /// output buffer using the arguments stored in this diagnostic. 9369f28614bf1a8387000d8df57a713fcf69e198145John McCall void FormatDiagnostic(const char *DiagStr, const char *DiagEnd, 9379f28614bf1a8387000d8df57a713fcf69e198145John McCall llvm::SmallVectorImpl<char> &OutStr) const; 938a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor}; 939a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 940a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor/** 941d3ab63e0f66429abf2a3e4cde889e420e41e8790Douglas Gregor * \brief Represents a diagnostic in a form that can be retained until its 942d3ab63e0f66429abf2a3e4cde889e420e41e8790Douglas Gregor * corresponding source manager is destroyed. 943a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor */ 944a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregorclass StoredDiagnostic { 945aa5f135f8db82b5e5fb1640fd51f8078e0b2d82dDouglas Gregor unsigned ID; 946a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor Diagnostic::Level Level; 947a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor FullSourceLoc Loc; 948a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor std::string Message; 9490a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner std::vector<CharSourceRange> Ranges; 950849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor std::vector<FixItHint> FixIts; 951a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 952a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregorpublic: 953a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor StoredDiagnostic(); 954a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor StoredDiagnostic(Diagnostic::Level Level, const DiagnosticInfo &Info); 955aa5f135f8db82b5e5fb1640fd51f8078e0b2d82dDouglas Gregor StoredDiagnostic(Diagnostic::Level Level, unsigned ID, 956aa5f135f8db82b5e5fb1640fd51f8078e0b2d82dDouglas Gregor llvm::StringRef Message); 957a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor ~StoredDiagnostic(); 958a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 959a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor /// \brief Evaluates true when this object stores a diagnostic. 960a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor operator bool() const { return Message.size() > 0; } 961a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 962aa5f135f8db82b5e5fb1640fd51f8078e0b2d82dDouglas Gregor unsigned getID() const { return ID; } 963a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor Diagnostic::Level getLevel() const { return Level; } 964a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor const FullSourceLoc &getLocation() const { return Loc; } 965a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor llvm::StringRef getMessage() const { return Message; } 966c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor 967c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor void setLocation(FullSourceLoc Loc) { this->Loc = Loc; } 968c0659ec614c428c7d15746fcad15d50a2703751dDouglas Gregor 9690a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner typedef std::vector<CharSourceRange>::const_iterator range_iterator; 970a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor range_iterator range_begin() const { return Ranges.begin(); } 971a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor range_iterator range_end() const { return Ranges.end(); } 972a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor unsigned range_size() const { return Ranges.size(); } 973a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor 974849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor typedef std::vector<FixItHint>::const_iterator fixit_iterator; 975a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor fixit_iterator fixit_begin() const { return FixIts.begin(); } 976a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor fixit_iterator fixit_end() const { return FixIts.end(); } 977a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor unsigned fixit_size() const { return FixIts.size(); } 9785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DiagnosticClient - This is an abstract interface implemented by clients of 9815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the front-end, which formats and prints fully processed diagnostics. 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DiagnosticClient { 983ab41b97c3cddf1bcdd8bf82ab09ed3ceafcd05b1Argyrios Kyrtzidisprotected: 984f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned NumWarnings; // Number of warnings reported 985f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned NumErrors; // Number of errors reported 986f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 988f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis DiagnosticClient() : NumWarnings(0), NumErrors(0) { } 989f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis 990f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned getNumErrors() const { return NumErrors; } 991f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned getNumWarnings() const { return NumWarnings; } 992f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~DiagnosticClient(); 9941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 995efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// BeginSourceFile - Callback to inform the diagnostic client that processing 996efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// of a source file is beginning. 997efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// 998efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// Note that diagnostics may be emitted outside the processing of a source 999efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// file, for example during the parsing of command line options. However, 1000efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// diagnostics with source range information are required to only be emitted 1001efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// in between BeginSourceFile() and EndSourceFile(). 1002efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// 1003efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// \arg LO - The language options for the source file being processed. 1004efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// \arg PP - The preprocessor object being used for the source; this optional 1005efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// and may not be present, for example when processing AST source files. 10067d90199f109290e9d587479a481a2850d390b552Daniel Dunbar virtual void BeginSourceFile(const LangOptions &LangOpts, 10077d90199f109290e9d587479a481a2850d390b552Daniel Dunbar const Preprocessor *PP = 0) {} 1008efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar 1009efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// EndSourceFile - Callback to inform the diagnostic client that processing 1010efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// of a source file has ended. The diagnostic client should assume that any 1011efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// objects made available via \see BeginSourceFile() are inaccessible. 1012efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar virtual void EndSourceFile() {} 10131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1014cabe66811fe43835b8c5a0854552768fc53261e3Ted Kremenek /// IncludeInDiagnosticCounts - This method (whose default implementation 1015efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// returns true) indicates whether the diagnostics handled by this 1016efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// DiagnosticClient should be included in the number of diagnostics reported 1017efcbe9475348ecab6b85153baa21d0e894e39607Daniel Dunbar /// by Diagnostic. 1018cabe66811fe43835b8c5a0854552768fc53261e3Ted Kremenek virtual bool IncludeInDiagnosticCounts() const; 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// HandleDiagnostic - Handle this diagnostic, reporting it to the user or 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// capturing it to a log as needed. 1022f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis /// 1023f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis /// Default implementation just keeps track of the total number of warnings 1024f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis /// and errors. 10250a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner virtual void HandleDiagnostic(Diagnostic::Level DiagLevel, 1026f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis const DiagnosticInfo &Info); 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1032