Parser.h revision c9977d09a2de7f7d2245973413d4caf86c736640
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Parser.h - C Language Parser ---------------------------*- 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 Parser interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_PARSE_PARSER_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_PARSE_PARSER_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17ad2b804faf29042e6c4e331d0987f103f1e2fd31John McCall#include "clang/Basic/Specifiers.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Lex/Preprocessor.h" 19f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor#include "clang/Lex/CodeCompletionHandler.h" 20f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/Sema.h" 2119510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 22f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "llvm/Support/PrettyStackTrace.h" 234726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek#include "llvm/ADT/OwningPtr.h" 244cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis#include <stack> 251100258c19dd8967ba078c0bc81fc06cea9d033fChris Lattner#include <list> 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 28fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar class PragmaHandler; 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Scope; 302b5289b6fd7e3d9899868410a498c081c9595662John McCall class DeclGroupRef; 313cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner class DiagnosticBuilder; 320102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner class Parser; 334726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek class PragmaUnusedHandler; 3408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner class ColonProtectionRAIIObject; 350fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor class InMessageExpressionRAIIObject; 360fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 370102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner/// PrettyStackTraceParserEntry - If a crash happens while the parser is active, 380102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner/// an entry is printed for it. 390102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattnerclass PrettyStackTraceParserEntry : public llvm::PrettyStackTraceEntry { 400102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner const Parser &P; 410102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattnerpublic: 420102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner PrettyStackTraceParserEntry(const Parser &p) : P(p) {} 430102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner virtual void print(llvm::raw_ostream &OS) const; 440102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner}; 451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// PrecedenceLevels - These are precedences for the binary/ternary 476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// operators in the C99 grammar. These have been named to relate 486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// with the C99 grammar productions. Low precedences numbers bind 496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// more weakly than high numbers. 506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregornamespace prec { 516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor enum Level { 526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Unknown = 0, // Not binary operator. 536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Comma = 1, // , 546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Assignment = 2, // =, *=, /=, %=, +=, -=, <<=, >>=, &=, ^=, |= 556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Conditional = 3, // ? 566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor LogicalOr = 4, // || 576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor LogicalAnd = 5, // && 586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor InclusiveOr = 6, // | 596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor ExclusiveOr = 7, // ^ 606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor And = 8, // & 616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Equality = 9, // ==, != 626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Relational = 10, // >=, <=, >, < 636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Shift = 11, // <<, >> 646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Additive = 12, // -, + 656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Multiplicative = 13, // *, /, % 666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor PointerToMember = 14 // .*, ->* 676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor }; 686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Parser - This implements a parser for the C family of languages. After 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// parsing units of the grammar, productions are invoked to handle whatever has 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// been read. 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 74f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregorclass Parser : public CodeCompletionHandler { 754726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek friend class PragmaUnusedHandler; 7608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner friend class ColonProtectionRAIIObject; 770fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor friend class InMessageExpressionRAIIObject; 7836d36806f1972f7ec1d2a3f59155187278c56508Argyrios Kyrtzidis friend class ParenBraceBracketBalancer; 790102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner PrettyStackTraceParserEntry CrashInfo; 801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Preprocessor &PP; 821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8397d0205d16fef2a783e785459b5f30f6a9dfbcb9Eric Christopher /// Tok - The current token we are peeking ahead. All parsing methods assume 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// that this is valid. 85d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner Token Tok; 861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 874b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // PrevTokLocation - The location of the token we previously 884b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // consumed. This token is used for diagnostics where we expected to 894b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // see a token following another token (e.g., the ';' at the end of 904b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // a statement). 914b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor SourceLocation PrevTokLocation; 924b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned short ParenCount, BracketCount, BraceCount; 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Actions - These are the callbacks we invoke as we parse various constructs 9687c300738174924453648c3b2d6f366c8284fac4Douglas Gregor /// in the file. 97f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema &Actions; 981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diagnostic &Diags; 1001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1019e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner /// ScopeCache - Cache scopes to reduce malloc traffic. 1029e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner enum { ScopeCacheSize = 16 }; 1039e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner unsigned NumCachedScopes; 1049e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner Scope *ScopeCache[ScopeCacheSize]; 105662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar 106662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar /// Ident_super - IdentifierInfo for "super", to support fast 107662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar /// comparison. 108662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar IdentifierInfo *Ident_super; 10982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// Ident_vector and Ident_pixel - cached IdentifierInfo's for 11082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// "vector" and "pixel" fast comparison. Only present if 11182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// AltiVec enabled. 11282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson IdentifierInfo *Ident_vector; 11382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson IdentifierInfo *Ident_pixel; 114662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar 1151f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson /// C++0x contextual keywords. 1167eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson mutable IdentifierInfo *Ident_final; 1177eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson mutable IdentifierInfo *Ident_override; 1181f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 119cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar llvm::OwningPtr<PragmaHandler> AlignHandler; 120aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman llvm::OwningPtr<PragmaHandler> GCCVisibilityHandler; 121861800c676004eabed5927f0552620d06c80a40aDaniel Dunbar llvm::OwningPtr<PragmaHandler> OptionsHandler; 1224726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek llvm::OwningPtr<PragmaHandler> PackHandler; 1234726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek llvm::OwningPtr<PragmaHandler> UnusedHandler; 1249991479ad5dde617168cc1e4b18425cdbbfd9fa9Eli Friedman llvm::OwningPtr<PragmaHandler> WeakHandler; 125321b8179afaf803dcc56b2a19f7b0891a03c92c8Peter Collingbourne llvm::OwningPtr<PragmaHandler> FPContractHandler; 126f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne llvm::OwningPtr<PragmaHandler> OpenCLExtensionHandler; 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// Whether the '>' token acts as an operator or not. This will be 12955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// true except when we are parsing an expression within a C++ 13055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// template argument list, where the '>' closes the template 13155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// argument list. 13255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor bool GreaterThanIsOperator; 13308d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner 13408d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner /// ColonIsSacred - When this is false, we aggressively try to recover from 13508d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner /// code like "foo : bar" as if it were a typo for "foo :: bar". This is not 13608d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner /// safe in case statements and a few other things. This is managed by the 13708d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner /// ColonProtectionRAIIObject RAII object. 13808d92ecf6e5b1fd23177a08c2312b58d63d863dbChris Lattner bool ColonIsSacred; 13955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 1400fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor /// \brief When true, we are directly inside an Ojective-C messsage 1410fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor /// send expression. 1420fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor /// 1430fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor /// This is managed by the \c InMessageExpressionRAIIObject class, and 1440fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor /// should not be set directly. 1450fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor bool InMessageExpression; 1460fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 147c3058338075a2132e057f1249a13b55a81fe021cDouglas Gregor /// The "depth" of the template parameters currently being parsed. 148c3058338075a2132e057f1249a13b55a81fe021cDouglas Gregor unsigned TemplateParameterDepth; 1498113ecfa4e41e2c888b1794389dfe3bce6386493Ted Kremenek 1508113ecfa4e41e2c888b1794389dfe3bce6386493Ted Kremenek /// Factory object for creating AttributeList objects. 1518113ecfa4e41e2c888b1794389dfe3bce6386493Ted Kremenek AttributeList::Factory AttrFactory; 1521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 154f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Parser(Preprocessor &PP, Sema &Actions); 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~Parser(); 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const LangOptions &getLang() const { return PP.getLangOptions(); } 158444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &getTargetInfo() const { return PP.getTargetInfo(); } 1590102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner Preprocessor &getPreprocessor() const { return PP; } 160f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema &getActions() const { return Actions; } 1611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1620102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner const Token &getCurToken() const { return Tok; } 16323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Scope *getCurScope() const { return Actions.getCurScope(); } 16423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Type forwarding. All of these are statically 'void*', but they may all be 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // different actual classes based on the actions in place. 167ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall typedef Expr ExprTy; 168ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall typedef Stmt StmtTy; 1692b5289b6fd7e3d9899868410a498c081c9595662John McCall typedef OpaquePtr<DeclGroupRef> DeclGroupPtrTy; 170ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall typedef CXXBaseSpecifier BaseTy; 171cbb67480094b3bcb5b715acd827cbad55e2a204cSean Hunt typedef CXXCtorInitializer MemInitTy; 172ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall typedef NestedNameSpecifier CXXScopeTy; 173ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall typedef TemplateParameterList TemplateParamsTy; 1742b5289b6fd7e3d9899868410a498c081c9595662John McCall typedef OpaquePtr<TemplateName> TemplateTy; 1757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 176ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall typedef llvm::SmallVector<TemplateParameterList *, 4> TemplateParameterLists; 177c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor 1789ae2f076ca5ab1feb3ba95629099ec2319833701John McCall typedef clang::ExprResult ExprResult; 1799ae2f076ca5ab1feb3ba95629099ec2319833701John McCall typedef clang::StmtResult StmtResult; 1809ae2f076ca5ab1feb3ba95629099ec2319833701John McCall typedef clang::BaseResult BaseResult; 1819ae2f076ca5ab1feb3ba95629099ec2319833701John McCall typedef clang::MemInitResult MemInitResult; 1829ae2f076ca5ab1feb3ba95629099ec2319833701John McCall typedef clang::TypeResult TypeResult; 18315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl 1849ae2f076ca5ab1feb3ba95629099ec2319833701John McCall typedef Expr *ExprArg; 1859ae2f076ca5ab1feb3ba95629099ec2319833701John McCall typedef ASTMultiPtr<Stmt*> MultiStmtArg; 186f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall typedef Sema::FullExprArg FullExprArg; 1871d922960e083906a586609ac6978678147250177Sebastian Redl 18860d7b3a319d84d688752be3870615ac0f111fb16John McCall /// Adorns a ExprResult with Actions to make it an ExprResult 18960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Owned(ExprResult res) { 19060d7b3a319d84d688752be3870615ac0f111fb16John McCall return ExprResult(res); 19161364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl } 19260d7b3a319d84d688752be3870615ac0f111fb16John McCall /// Adorns a StmtResult with Actions to make it an StmtResult 19360d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Owned(StmtResult res) { 19460d7b3a319d84d688752be3870615ac0f111fb16John McCall return StmtResult(res); 19561364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl } 19661364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 19760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ExprError() { return ExprResult(true); } 19860d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult StmtError() { return StmtResult(true); } 199d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 20060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ExprError(const DiagnosticBuilder &) { return ExprError(); } 20160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult StmtError(const DiagnosticBuilder &) { return StmtError(); } 20261364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 20360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ExprEmpty() { return ExprResult(false); } 2045ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parsing methods. 2061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ParseTranslationUnit - All in one method that initializes parses, and 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// shuts down the parser. 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseTranslationUnit(); 2101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Initialize - Warm up the parser. 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Initialize(); 2141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// ParseTopLevelDecl - Parse one top-level declaration. Returns true if 2161f6443255894429fba384de0d5b6389ef578a5e9Steve Naroff /// the EOF was encountered. 217682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner bool ParseTopLevelDecl(DeclGroupPtrTy &Result); 2181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2193fe104154dd2e8ffb351142d74f308938b5c99bfFariborz Jahanian DeclGroupPtrTy FinishPendingObjCActions(); 22063e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Low-Level token peeking and consumption methods. 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // 2251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isTokenParen - Return true if the cur token is '(' or ')'. 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isTokenParen() const { 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Tok.getKind() == tok::l_paren || Tok.getKind() == tok::r_paren; 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isTokenBracket - Return true if the cur token is '[' or ']'. 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isTokenBracket() const { 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Tok.getKind() == tok::l_square || Tok.getKind() == tok::r_square; 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isTokenBrace - Return true if the cur token is '{' or '}'. 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isTokenBrace() const { 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Tok.getKind() == tok::l_brace || Tok.getKind() == tok::r_brace; 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isTokenStringLiteral - True if this token is a string-literal. 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isTokenStringLiteral() const { 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Tok.getKind() == tok::string_literal || 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Tok.getKind() == tok::wide_string_literal; 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 245eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 246a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis /// \brief Returns true if the current token is a '=' or '==' and 247a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis /// false otherwise. If it's '==', we assume that it's a typo and we emit 248a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis /// DiagID and a fixit hint to turn '==' -> '='. 249a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis bool isTokenEqualOrMistypedEqualEqual(unsigned DiagID); 250a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeToken - Consume the current 'peek token' and lex the next one. 252d6ecc5cf945ccdf2b931137e364a69cde59ab18bZhongxing Xu /// This does not work with all kinds of tokens: strings and specific other 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// tokens must be consumed with custom methods below. This returns the 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// location of the consumed token. 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeToken() { 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isTokenStringLiteral() && !isTokenParen() && !isTokenBracket() && 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer !isTokenBrace() && 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Should consume special tokens with Consume*Token"); 259dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor if (Tok.is(tok::code_completion)) { 260dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor CodeCompletionRecovery(); 261dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor return ConsumeCodeCompletionToken(); 262dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor } 263dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 2644b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 2664b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeAnyToken - Dispatch to the right Consume* method based on the 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// current token type. This should only be used in cases where the type of 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the token really isn't known, e.g. in error recovery. 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeAnyToken() { 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isTokenParen()) 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ConsumeParen(); 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (isTokenBracket()) 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ConsumeBracket(); 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (isTokenBrace()) 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ConsumeBrace(); 279d62701bc5321049353017e9abf1963edd57646aaSteve Naroff else if (isTokenStringLiteral()) 280d62701bc5321049353017e9abf1963edd57646aaSteve Naroff return ConsumeStringToken(); 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ConsumeToken(); 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeParen - This consume method keeps the paren count up-to-date. 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeParen() { 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isTokenParen() && "wrong consume method"); 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Tok.getKind() == tok::l_paren) 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++ParenCount; 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (ParenCount) 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer --ParenCount; // Don't let unbalanced )'s drive the count negative. 2934b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 2954b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeBracket - This consume method keeps the bracket count up-to-date. 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeBracket() { 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isTokenBracket() && "wrong consume method"); 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Tok.getKind() == tok::l_square) 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++BracketCount; 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (BracketCount) 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer --BracketCount; // Don't let unbalanced ]'s drive the count negative. 3061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3074b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 3094b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeBrace - This consume method keeps the brace count up-to-date. 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeBrace() { 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isTokenBrace() && "wrong consume method"); 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Tok.getKind() == tok::l_brace) 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++BraceCount; 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (BraceCount) 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer --BraceCount; // Don't let unbalanced }'s drive the count negative. 3201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3214b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 3234b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeStringToken - Consume the current 'peek token', lexing a new one 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and returning the token kind. This method is specific to strings, as it 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// handles string literal concatenation, as per C99 5.1.1.2, translation 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// phase #6. 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeStringToken() { 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isTokenStringLiteral() && 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Should only consume string literals with this method"); 3334b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 3354b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 338dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor /// \brief Consume the current code-completion token. 339dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor /// 340dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor /// This routine should be called to consume the code-completion token once 341dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor /// a code-completion action has already been invoked. 342dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor SourceLocation ConsumeCodeCompletionToken() { 343dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor assert(Tok.is(tok::code_completion)); 344dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor PrevTokLocation = Tok.getLocation(); 345dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor PP.Lex(Tok); 346dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor return PrevTokLocation; 347dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor } 348dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 349dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ///\ brief When we are consuming a code-completion token within having 350dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor /// matched specific position in the grammar, provide code-completion results 351dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor /// based on context. 352dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor void CodeCompletionRecovery(); 353dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 354b918d0f5d8f147e1e26c34e6cf42a79af2d2ec41Argyrios Kyrtzidis /// \brief Handle the annotation token produced for #pragma unused(...) 355b918d0f5d8f147e1e26c34e6cf42a79af2d2ec41Argyrios Kyrtzidis void HandlePragmaUnused(); 356b918d0f5d8f147e1e26c34e6cf42a79af2d2ec41Argyrios Kyrtzidis 3576b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// GetLookAheadToken - This peeks ahead N tokens and returns that token 3586b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// without consuming any tokens. LookAhead(0) returns 'Tok', LookAhead(1) 3596b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// returns the token after Tok, etc. 3606b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// 3616b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// Note that this differs from the Preprocessor's LookAhead method, because 3626b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// the Parser always has one token lexed that the preprocessor doesn't. 3636b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// 36403db1b31dd926409b7defc1c90b66549464652c0Argyrios Kyrtzidis const Token &GetLookAheadToken(unsigned N) { 3656b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (N == 0 || Tok.is(tok::eof)) return Tok; 3666b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return PP.LookAhead(N-1); 3676b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } 368f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis 369f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis /// NextToken - This peeks ahead one token and returns it without 370f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis /// consuming it. 371f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis const Token &NextToken() { 37203db1b31dd926409b7defc1c90b66549464652c0Argyrios Kyrtzidis return PP.LookAhead(0); 373f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis } 3745404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 375b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall /// getTypeAnnotation - Read a parsed type out of an annotation token. 376b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall static ParsedType getTypeAnnotation(Token &Tok) { 377b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParsedType::getFromOpaquePtr(Tok.getAnnotationValue()); 378b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall } 379b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 380b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall static void setTypeAnnotation(Token &Tok, ParsedType T) { 381b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Tok.setAnnotationValue(T.getAsOpaquePtr()); 382b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall } 383b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 384eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// TryAnnotateTypeOrScopeToken - If the current token position is on a 385eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// typename (possibly qualified in C++) or a C++ scope specifier not followed 386eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// by a typename, TryAnnotateTypeOrScopeToken will replace one or more tokens 387eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// with a single annotation token representing the typename or C++ scope 388eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// respectively. 389eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// This simplifies handling of C++ scope specifiers and allows efficient 390eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// backtracking without the need to re-parse and resolve nested-names and 391eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// typenames. 39244802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis /// It will mainly be called when we expect to treat identifiers as typenames 39344802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis /// (if they are typenames). For example, in C we do not expect identifiers 39444802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis /// inside expressions to be treated as typenames so it will not be called 39544802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis /// for expressions in C. 396a7bc7c880f86bc180684ef032d06df51bcae7a23Chris Lattner /// 397a7bc7c880f86bc180684ef032d06df51bcae7a23Chris Lattner /// This returns true if the token was annotated. 398495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor bool TryAnnotateTypeOrScopeToken(bool EnteringContext = false); 399eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 4009ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall /// TryAnnotateCXXScopeToken - Like TryAnnotateTypeOrScopeToken but 4019ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall /// only annotates C++ scope specifiers. This returns true if there 4029ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall /// was an unrecoverable error. 403495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregor bool TryAnnotateCXXScopeToken(bool EnteringContext = false); 404eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 40582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// TryAltiVecToken - Check for context-sensitive AltiVec identifier tokens, 40682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// replacing them with the non-context-sensitive keywords. This returns 40782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// true if the token was replaced. 40882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool TryAltiVecToken(DeclSpec &DS, SourceLocation Loc, 409b3a4e432c90be98c6d918087750397e86d030368Chris Lattner const char *&PrevSpec, unsigned &DiagID, 410b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool &isInvalid) { 4111b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner if (!getLang().AltiVec || 4121b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner (Tok.getIdentifierInfo() != Ident_vector && 4131b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner Tok.getIdentifierInfo() != Ident_pixel)) 4141b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner return false; 4151b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner 4161b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner return TryAltiVecTokenOutOfLine(DS, Loc, PrevSpec, DiagID, isInvalid); 41782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson } 41882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson 41982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// TryAltiVecVectorToken - Check for context-sensitive AltiVec vector 42082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// identifier token, replacing it with the non-context-sensitive __vector. 42182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// This returns true if the token was replaced. 42282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool TryAltiVecVectorToken() { 423b3a4e432c90be98c6d918087750397e86d030368Chris Lattner if (!getLang().AltiVec || 424b3a4e432c90be98c6d918087750397e86d030368Chris Lattner Tok.getIdentifierInfo() != Ident_vector) return false; 4251b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner return TryAltiVecVectorTokenOutOfLine(); 42682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson } 4271b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner 4281b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner bool TryAltiVecVectorTokenOutOfLine(); 4291b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner bool TryAltiVecTokenOutOfLine(DeclSpec &DS, SourceLocation Loc, 4301b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner const char *&PrevSpec, unsigned &DiagID, 4311b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner bool &isInvalid); 4321b49242de4e8bc718d7611c33a1d76ce35864020Chris Lattner 4335404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// TentativeParsingAction - An object that is used as a kind of "tentative 4345404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// parsing transaction". It gets instantiated to mark the token position and 4355404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// after the token consumption is done, Commit() or Revert() is called to 4365404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// either "commit the consumed tokens" or revert to the previously marked 4375404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// token position. Example: 4385404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// 439314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor /// TentativeParsingAction TPA(*this); 4405404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// ConsumeToken(); 4415404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// .... 4425404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// TPA.Revert(); 4435404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// 4445404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis class TentativeParsingAction { 4455404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis Parser &P; 4465404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis Token PrevTok; 4475404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis bool isActive; 4485404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 4495404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis public: 4505404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis explicit TentativeParsingAction(Parser& p) : P(p) { 4515404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis PrevTok = P.Tok; 4525404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis P.PP.EnableBacktrackAtThisPos(); 4535404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis isActive = true; 4545404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 4555404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis void Commit() { 4565404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis assert(isActive && "Parsing action was finished!"); 4575404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis P.PP.CommitBacktrackedTokens(); 4585404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis isActive = false; 4595404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 4605404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis void Revert() { 4615404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis assert(isActive && "Parsing action was finished!"); 4625404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis P.PP.Backtrack(); 4635404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis P.Tok = PrevTok; 4645404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis isActive = false; 4655404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 4665404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis ~TentativeParsingAction() { 4675404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis assert(!isActive && "Forgot to call Commit or Revert!"); 4685404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 4695404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis }; 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// MatchRHSPunctuation - For punctuation with a LHS and RHS (e.g. '['/']'), 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this helper function matches and consumes the specified RHS token if 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// present. If not present, it emits the specified diagnostic indicating 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// that the parser failed to match the RHS of the token at LHSLoc. LHSName 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// should be the name of the unmatched LHS token. This returns the location 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the consumed token. 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MatchRHSPunctuation(tok::TokenKind RHSTok, 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LHSLoc); 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ExpectAndConsume - The parser expects that 'ExpectedTok' is next in the 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// input. If so, it is consumed and false is returned. 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If the input is malformed, this emits the specified diagnostic. Next, if 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SkipToTok is specified, it calls SkipUntil(SkipToTok). Finally, true is 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// returned. 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool ExpectAndConsume(tok::TokenKind ExpectedTok, unsigned Diag, 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *DiagMsg = "", 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind SkipToTok = tok::unknown); 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4919ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor /// \brief The parser expects a semicolon and, if present, will consume it. 4929ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor /// 4939ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor /// If the next token is not a semicolon, this emits the specified diagnostic, 4949ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor /// or, if there's just some closing-delimiter noise (e.g., ')' or ']') prior 4959ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor /// to the semicolon, consumes that extra token. 4969ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor bool ExpectAndConsumeSemi(unsigned DiagID); 4979ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Scope manipulation 5001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5018935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// ParseScope - Introduces a new scope for parsing. The kind of 5028935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// scope is determined by ScopeFlags. Objects of this type should 5038935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// be created on the stack to coincide with the position where the 5048935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// parser enters the new scope, and this object's constructor will 5058935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// create that new scope. Similarly, once the object is destroyed 5068935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// the parser will exit the scope. 5078935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor class ParseScope { 5088935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Parser *Self; 5098935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope(const ParseScope&); // do not implement 5108935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope& operator=(const ParseScope&); // do not implement 5118935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor 5128935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor public: 5138935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // ParseScope - Construct a new object to manage a scope in the 5148935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // parser Self where the new Scope is created with the flags 5158935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // ScopeFlags, but only when ManageScope is true (the default). If 5168935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // ManageScope is false, this object does nothing. 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParseScope(Parser *Self, unsigned ScopeFlags, bool ManageScope = true) 5188935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor : Self(Self) { 5198935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor if (ManageScope) 5208935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Self->EnterScope(ScopeFlags); 5218935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor else 5228935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor this->Self = 0; 5238935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor } 5248935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor 5258935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // Exit - Exit the scope associated with this object now, rather 5268935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // than waiting until the object is destroyed. 5278935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor void Exit() { 5288935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor if (Self) { 5298935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Self->ExitScope(); 5308935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Self = 0; 5318935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor } 5328935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor } 5338935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor 5348935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ~ParseScope() { 5358935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Exit(); 5368935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor } 5378935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor }; 5388935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EnterScope - Start a new scope. 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EnterScope(unsigned ScopeFlags); 5411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ExitScope - Pop a scope off the scope stack. 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ExitScope(); 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Diagnostic Emission and Error recovery. 54715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl 5486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorpublic: 5493cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID); 5503cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DiagnosticBuilder Diag(const Token &Tok, unsigned DiagID); 55115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl 5526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorprivate: 5531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void SuggestParentheses(SourceLocation Loc, unsigned DK, 5544b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor SourceRange ParenRange); 5554b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SkipUntil - Read tokens until we get to the specified token, then consume 55782c7e6d8215567935d3d52741ccca9876a8ea461Steve Naroff /// it (unless DontConsume is true). Because we cannot guarantee that the 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// token will ever occur, this skips to the next token, or to some likely 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// good stopping point. If StopAtSemi is true, skipping will stop at a ';' 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// character. 5611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If SkipUntil finds the specified token, it returns true, otherwise it 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// returns false. 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool SkipUntil(tok::TokenKind T, bool StopAtSemi = true, 5653437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis bool DontConsume = false, bool StopAtCodeCompletion = false) { 5663437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis return SkipUntil(&T, 1, StopAtSemi, DontConsume, StopAtCodeCompletion); 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool SkipUntil(tok::TokenKind T1, tok::TokenKind T2, bool StopAtSemi = true, 5693437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis bool DontConsume = false, bool StopAtCodeCompletion = false) { 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind TokArray[] = {T1, T2}; 5713437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis return SkipUntil(TokArray, 2, StopAtSemi, DontConsume,StopAtCodeCompletion); 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool SkipUntil(const tok::TokenKind *Toks, unsigned NumToks, 5743437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis bool StopAtSemi = true, bool DontConsume = false, 5753437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis bool StopAtCodeCompletion = false); 5767ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 5784cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Lexing and parsing of C++ inline methods. 5794cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 580d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor struct ParsingClass; 581d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor 582d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// [class.mem]p1: "... the class is regarded as complete within 583d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// - function bodies 584d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// - default arguments 585d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// - exception-specifications (TODO: C++0x) 586d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// - and brace-or-equal-initializers (TODO: C++0x) 587d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// for non-static data members (including such things in nested classes)." 588d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// LateParsedDeclarations build the tree of those elements so they can 589d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// be parsed after parsing the top-level class. 590d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor class LateParsedDeclaration { 591d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor public: 592d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor virtual ~LateParsedDeclaration(); 593d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor 594d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor virtual void ParseLexedMethodDeclarations(); 595d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor virtual void ParseLexedMethodDefs(); 596d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor }; 597d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor 598d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// Inner node of the LateParsedDeclaration tree that parses 599d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// all its members recursively. 600d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor class LateParsedClass : public LateParsedDeclaration { 601d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor public: 602d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor LateParsedClass(Parser *P, ParsingClass *C); 603d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor virtual ~LateParsedClass(); 604d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor 605d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor virtual void ParseLexedMethodDeclarations(); 606d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor virtual void ParseLexedMethodDefs(); 607d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor 608d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor private: 609d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor Parser *Self; 610d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor ParsingClass *Class; 611d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor }; 612d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor 613d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// Contains the lexed tokens of a member function definition 614d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// which needs to be parsed at the end of the class declaration 615d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// after parsing all other member declarations. 616d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor struct LexedMethod : public LateParsedDeclaration { 617d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor Parser *Self; 618d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *D; 61972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor CachedTokens Toks; 620d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor 621d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor /// \brief Whether this member function had an associated template 622d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor /// scope. When true, D is a template declaration. 623d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor /// othewise, it is a member function declaration. 624d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor bool TemplateScope; 625d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor 626d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor explicit LexedMethod(Parser* P, Decl *MD) 627d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor : Self(P), D(MD), TemplateScope(false) {} 628d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor 629d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor virtual void ParseLexedMethodDefs(); 6304cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis }; 6314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 63272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// LateParsedDefaultArgument - Keeps track of a parameter that may 63372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// have a default argument that cannot be parsed yet because it 63472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// occurs within a member function declaration inside the class 63572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// (C++ [class.mem]p2). 63672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor struct LateParsedDefaultArgument { 637d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall explicit LateParsedDefaultArgument(Decl *P, 63872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor CachedTokens *Toks = 0) 63972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor : Param(P), Toks(Toks) { } 64072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 64172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// Param - The parameter declaration for this parameter. 642d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param; 64372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 64472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// Toks - The sequence of tokens that comprises the default 64572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// argument expression, not including the '=' or the terminating 64672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// ')' or ','. This will be NULL for parameters that have no 64772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// default argument. 64872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor CachedTokens *Toks; 64972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor }; 6501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 65172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// LateParsedMethodDeclaration - A method declaration inside a class that 65272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// contains at least one entity whose parsing needs to be delayed 65372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// until the class itself is completely-defined, such as a default 65472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// argument (C++ [class.mem]p2). 655d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor struct LateParsedMethodDeclaration : public LateParsedDeclaration { 656d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor explicit LateParsedMethodDeclaration(Parser *P, Decl *M) 657d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor : Self(P), Method(M), TemplateScope(false) { } 658d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor 659d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor virtual void ParseLexedMethodDeclarations(); 660d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor 661d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor Parser* Self; 66272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 66372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// Method - The method declaration. 664d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Method; 66572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 666d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor /// \brief Whether this member function had an associated template 667d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor /// scope. When true, D is a template declaration. 668d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor /// othewise, it is a member function declaration. 669d83d04041f64a2c89123d227fa8003b482391279Douglas Gregor bool TemplateScope; 6701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 67172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// DefaultArgs - Contains the parameters of the function and 67272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// their default arguments. At least one of the parameters will 67372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// have a default argument, but all of the parameters of the 67472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// method will be stored so that they can be reintroduced into 6751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// scope at the appropriate times. 67672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor llvm::SmallVector<LateParsedDefaultArgument, 8> DefaultArgs; 67772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor }; 67872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 679d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// LateParsedDeclarationsContainer - During parsing of a top (non-nested) 680d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// C++ class, its method declarations that contain parts that won't be 68172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// parsed until after the definiton is completed (C++ [class.mem]p2), 682d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// the method declarations and possibly attached inline definitions 683d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// will be stored here with the tokens that will be parsed to create those entities. 684d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor typedef llvm::SmallVector<LateParsedDeclaration*, 2> LateParsedDeclarationsContainer; 68572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 6866569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief Representation of a class that has been parsed, including 6876569d68745c8213709740337d2be52b031384f58Douglas Gregor /// any member function declarations or definitions that need to be 6886569d68745c8213709740337d2be52b031384f58Douglas Gregor /// parsed after the corresponding top-level class is complete. 6896569d68745c8213709740337d2be52b031384f58Douglas Gregor struct ParsingClass { 690d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParsingClass(Decl *TagOrTemplate, bool TopLevelClass) 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : TopLevelClass(TopLevelClass), TemplateScope(false), 6926569d68745c8213709740337d2be52b031384f58Douglas Gregor TagOrTemplate(TagOrTemplate) { } 6936569d68745c8213709740337d2be52b031384f58Douglas Gregor 6946569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief Whether this is a "top-level" class, meaning that it is 6956569d68745c8213709740337d2be52b031384f58Douglas Gregor /// not nested within another class. 6966569d68745c8213709740337d2be52b031384f58Douglas Gregor bool TopLevelClass : 1; 6976569d68745c8213709740337d2be52b031384f58Douglas Gregor 6986569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief Whether this class had an associated template 6996569d68745c8213709740337d2be52b031384f58Douglas Gregor /// scope. When true, TagOrTemplate is a template declaration; 7006569d68745c8213709740337d2be52b031384f58Douglas Gregor /// othewise, it is a tag declaration. 7016569d68745c8213709740337d2be52b031384f58Douglas Gregor bool TemplateScope : 1; 7026569d68745c8213709740337d2be52b031384f58Douglas Gregor 7036569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief The class or class template whose definition we are parsing. 704d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TagOrTemplate; 70572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 706d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// LateParsedDeclarations - Method declarations, inline definitions and 707d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// nested classes that contain pieces whose parsing will be delayed until 708d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor /// the top-level class is fully defined. 709d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor LateParsedDeclarationsContainer LateParsedDeclarations; 71072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor }; 7114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 7126569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief The stack of classes that is currently being 7136569d68745c8213709740337d2be52b031384f58Douglas Gregor /// parsed. Nested and local classes will be pushed onto this stack 7146569d68745c8213709740337d2be52b031384f58Douglas Gregor /// when they are parsed, and removed afterward. 7156569d68745c8213709740337d2be52b031384f58Douglas Gregor std::stack<ParsingClass *> ClassStack; 7164cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 7176569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass &getCurrentClass() { 7186569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "No lexed method stacks!"); 7196569d68745c8213709740337d2be52b031384f58Douglas Gregor return *ClassStack.top(); 7204cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 7214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 72254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall /// \brief RAII object used to inform the actions that we're 72354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall /// currently parsing a declaration. This is active when parsing a 72454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall /// variable's initializer, but not when parsing the body of a 72554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall /// class or function definition. 72654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall class ParsingDeclRAIIObject { 727f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema &Actions; 728eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Sema::ParsingDeclState State; 72954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall bool Popped; 730c9068d7dd94d439cec66c421115d15303e481025John McCall 73154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall public: 73254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject(Parser &P) : Actions(P.Actions) { 73354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall push(); 73454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 73554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 736c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject(Parser &P, ParsingDeclRAIIObject *Other) 737c9068d7dd94d439cec66c421115d15303e481025John McCall : Actions(P.Actions) { 738c9068d7dd94d439cec66c421115d15303e481025John McCall if (Other) steal(*Other); 739c9068d7dd94d439cec66c421115d15303e481025John McCall else push(); 740c9068d7dd94d439cec66c421115d15303e481025John McCall } 741c9068d7dd94d439cec66c421115d15303e481025John McCall 742c9068d7dd94d439cec66c421115d15303e481025John McCall /// Creates a RAII object which steals the state from a different 743c9068d7dd94d439cec66c421115d15303e481025John McCall /// object instead of pushing. 744c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject(ParsingDeclRAIIObject &Other) 745c9068d7dd94d439cec66c421115d15303e481025John McCall : Actions(Other.Actions) { 746c9068d7dd94d439cec66c421115d15303e481025John McCall steal(Other); 747c9068d7dd94d439cec66c421115d15303e481025John McCall } 748c9068d7dd94d439cec66c421115d15303e481025John McCall 74954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ~ParsingDeclRAIIObject() { 75054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall abort(); 75154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 75254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 75354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall /// Resets the RAII object for a new declaration. 75454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall void reset() { 75554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall abort(); 75654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall push(); 75754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 75854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 75954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall /// Signals that the context was completed without an appropriate 76054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall /// declaration being parsed. 76154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall void abort() { 762d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall pop(0); 76354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 76454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 765d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall void complete(Decl *D) { 76654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall assert(!Popped && "ParsingDeclaration has already been popped!"); 76754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall pop(D); 76854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 76954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 77054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall private: 771c9068d7dd94d439cec66c421115d15303e481025John McCall void steal(ParsingDeclRAIIObject &Other) { 772c9068d7dd94d439cec66c421115d15303e481025John McCall State = Other.State; 773c9068d7dd94d439cec66c421115d15303e481025John McCall Popped = Other.Popped; 774c9068d7dd94d439cec66c421115d15303e481025John McCall Other.Popped = true; 775c9068d7dd94d439cec66c421115d15303e481025John McCall } 776c9068d7dd94d439cec66c421115d15303e481025John McCall 77754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall void push() { 77854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall State = Actions.PushParsingDeclaration(); 77954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall Popped = false; 78054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 78154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 782d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall void pop(Decl *D) { 78354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall if (!Popped) { 78454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall Actions.PopParsingDeclaration(State, D); 78554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall Popped = true; 78654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 78754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 78854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall }; 78954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 79054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall /// A class for parsing a DeclSpec. 79154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall class ParsingDeclSpec : public DeclSpec { 79254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject ParsingRAII; 79354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 79454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall public: 795c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec(Parser &P) : ParsingRAII(P) {} 796c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec(ParsingDeclRAIIObject &RAII) : ParsingRAII(RAII) {} 797c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclSpec(Parser &P, ParsingDeclRAIIObject *RAII) 798c9068d7dd94d439cec66c421115d15303e481025John McCall : ParsingRAII(P, RAII) {} 79954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 800d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall void complete(Decl *D) { 80154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingRAII.complete(D); 80254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 80354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 80454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall void abort() { 80554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingRAII.abort(); 80654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 80754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall }; 80854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 80954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall /// A class for parsing a declarator. 81054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall class ParsingDeclarator : public Declarator { 81154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject ParsingRAII; 81254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 81354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall public: 81454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclarator(Parser &P, const ParsingDeclSpec &DS, TheContext C) 81554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall : Declarator(DS, C), ParsingRAII(P) { 81654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 81754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 81854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall const ParsingDeclSpec &getDeclSpec() const { 81954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return static_cast<const ParsingDeclSpec&>(Declarator::getDeclSpec()); 82054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 82154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 82254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclSpec &getMutableDeclSpec() const { 82354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return const_cast<ParsingDeclSpec&>(getDeclSpec()); 82454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 82554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 82654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall void clear() { 82754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall Declarator::clear(); 82854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingRAII.reset(); 82954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 83054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 831d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall void complete(Decl *D) { 83254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingRAII.complete(D); 83354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall } 83454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall }; 83554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 8361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief RAII object used to 8376569d68745c8213709740337d2be52b031384f58Douglas Gregor class ParsingClassDefinition { 8386569d68745c8213709740337d2be52b031384f58Douglas Gregor Parser &P; 8396569d68745c8213709740337d2be52b031384f58Douglas Gregor bool Popped; 840eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Sema::ParsingClassState State; 8416569d68745c8213709740337d2be52b031384f58Douglas Gregor 8426569d68745c8213709740337d2be52b031384f58Douglas Gregor public: 843d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParsingClassDefinition(Parser &P, Decl *TagOrTemplate, bool TopLevelClass) 844eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall : P(P), Popped(false), 845eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall State(P.PushParsingClass(TagOrTemplate, TopLevelClass)) { 8466569d68745c8213709740337d2be52b031384f58Douglas Gregor } 8476569d68745c8213709740337d2be52b031384f58Douglas Gregor 8486569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief Pop this class of the stack. 8491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Pop() { 8506569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!Popped && "Nested class has already been popped"); 8516569d68745c8213709740337d2be52b031384f58Douglas Gregor Popped = true; 852eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall P.PopParsingClass(State); 8536569d68745c8213709740337d2be52b031384f58Douglas Gregor } 8546569d68745c8213709740337d2be52b031384f58Douglas Gregor 8551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ~ParsingClassDefinition() { 8566569d68745c8213709740337d2be52b031384f58Douglas Gregor if (!Popped) 857eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall P.PopParsingClass(State); 8586569d68745c8213709740337d2be52b031384f58Douglas Gregor } 8596569d68745c8213709740337d2be52b031384f58Douglas Gregor }; 8606569d68745c8213709740337d2be52b031384f58Douglas Gregor 8614d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief Contains information about any template-specific 8624d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// information that has been parsed prior to parsing declaration 8634d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// specifiers. 8644d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor struct ParsedTemplateInfo { 8651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ParsedTemplateInfo() 8664d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor : Kind(NonTemplate), TemplateParams(0), TemplateLoc() { } 8674d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8684d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor ParsedTemplateInfo(TemplateParameterLists *TemplateParams, 869c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor bool isSpecialization, 870c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor bool lastParameterListWasEmpty = false) 8714d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor : Kind(isSpecialization? ExplicitSpecialization : Template), 872c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor TemplateParams(TemplateParams), 873c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor LastParameterListWasEmpty(lastParameterListWasEmpty) { } 8744d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 87545f965581935791a018df829a14dff53c1dd8f47Douglas Gregor explicit ParsedTemplateInfo(SourceLocation ExternLoc, 87645f965581935791a018df829a14dff53c1dd8f47Douglas Gregor SourceLocation TemplateLoc) 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Kind(ExplicitInstantiation), TemplateParams(0), 878c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor ExternLoc(ExternLoc), TemplateLoc(TemplateLoc), 879c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor LastParameterListWasEmpty(false){ } 8804d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8814d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief The kind of template we are parsing. 8824d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor enum { 8834d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief We are not parsing a template at all. 8844d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor NonTemplate = 0, 8854d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief We are parsing a template declaration. 8864d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor Template, 8874d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief We are parsing an explicit specialization. 8884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor ExplicitSpecialization, 8894d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief We are parsing an explicit instantiation. 8904d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor ExplicitInstantiation 8914d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } Kind; 8924d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 8934d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief The template parameter lists, for template declarations 8944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// and explicit specializations. 8954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists *TemplateParams; 8964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 89745f965581935791a018df829a14dff53c1dd8f47Douglas Gregor /// \brief The location of the 'extern' keyword, if any, for an explicit 89845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor /// instantiation 89945f965581935791a018df829a14dff53c1dd8f47Douglas Gregor SourceLocation ExternLoc; 9001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9014d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief The location of the 'template' keyword, for an explicit 9024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// instantiation. 9034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SourceLocation TemplateLoc; 904c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor 905c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor /// \brief Whether the last template parameter list was empty. 906c78c06d81f9838aea4198e4965cc1b26bb0bf838Douglas Gregor bool LastParameterListWasEmpty; 90778b810559d89e996e00684335407443936ce34a1John McCall 90878b810559d89e996e00684335407443936ce34a1John McCall SourceRange getSourceRange() const; 9094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor }; 9101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 911eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Sema::ParsingClassState 912eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall PushParsingClass(Decl *TagOrTemplate, bool TopLevelClass); 91337b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor void DeallocateParsedClasses(ParsingClass *Class); 914eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall void PopParsingClass(Sema::ParsingClassState); 91537b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor 916eee1d5434ebfa955ffc3c493aecd68bb7b3f4838John McCall Decl *ParseCXXInlineMethodDef(AccessSpecifier AS, ParsingDeclarator &D, 9174867347e82648d3baf09524b98b09c297a5a198fNico Weber const ParsedTemplateInfo &TemplateInfo, 9184867347e82648d3baf09524b98b09c297a5a198fNico Weber const VirtSpecifiers& VS); 91937b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor void ParseLexedMethodDeclarations(ParsingClass &Class); 920d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor void ParseLexedMethodDeclaration(LateParsedMethodDeclaration &LM); 92137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor void ParseLexedMethodDefs(ParsingClass &Class); 922d54eb4410330383f48d3cc22b2ad8d23f120836bDouglas Gregor void ParseLexedMethodDef(LexedMethod &LM); 92314b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis bool ConsumeAndStoreUntil(tok::TokenKind T1, 92414b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis CachedTokens &Toks, 92514b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis bool StopAtSemi = true, 92614b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis bool ConsumeFinalToken = true) { 92714b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis return ConsumeAndStoreUntil(T1, T1, Toks, StopAtSemi, ConsumeFinalToken); 92814b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis } 9291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool ConsumeAndStoreUntil(tok::TokenKind T1, tok::TokenKind T2, 93037b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor CachedTokens &Toks, 93114b91628961ab50cc6e724bbcd408fdee100662dArgyrios Kyrtzidis bool StopAtSemi = true, 93237b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor bool ConsumeFinalToken = true); 9334d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9344cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis //===--------------------------------------------------------------------===// 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.9: External Definitions. 9367f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall struct ParsedAttributesWithRange : ParsedAttributes { 9377f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceRange Range; 9387f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall }; 9397f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall 9407f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DeclGroupPtrTy ParseExternalDeclaration(ParsedAttributesWithRange &attrs, 94109a63c97b95eb4dc6fd6b2323929e8cf12af03ffDouglas Gregor ParsingDeclSpec *DS = 0); 942c82daefa3062721e98947e08193cd81b4e9df915Chris Lattner bool isDeclarationAfterDeclarator() const; 943004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner bool isStartOfFunctionDefinition(const ParsingDeclarator &Declarator); 9447f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DeclGroupPtrTy ParseDeclarationOrFunctionDefinition(ParsedAttributes &attrs, 9457f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall AccessSpecifier AS = AS_none); 9463acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian DeclGroupPtrTy ParseDeclarationOrFunctionDefinition(ParsingDeclSpec &DS, 9473acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian AccessSpecifier AS = AS_none); 9483acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian 949d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseFunctionDefinition(ParsingDeclarator &D, 95052591bf224b2c43e2b00e265bb8599a620081925Douglas Gregor const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo()); 9515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseKNRParamDeclarations(Declarator &D); 952ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // EndLoc, if non-NULL, is filled with the location of the last token of 953ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // the simple-asm. 95460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseSimpleAsm(SourceLocation *EndLoc = 0); 95560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseAsmStringLiteral(); 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9573536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Objective-C External Declarations 958d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCAtDirectives(); 959d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCAtClassDeclaration(SourceLocation atLoc); 960d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCAtInterfaceDeclaration(SourceLocation atLoc, 9617f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &prefixAttrs); 962d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall void ParseObjCClassInstanceVariables(Decl *interfaceDecl, 96383c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian tok::ObjCKeywordKind visibility, 96460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc); 965d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall bool ParseObjCProtocolReferences(llvm::SmallVectorImpl<Decl *> &P, 96671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVectorImpl<SourceLocation> &PLocs, 9671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool WarnOnDeclarations, 96871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, 969e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SourceLocation &EndProtoLoc); 97046f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor bool ParseObjCProtocolQualifiers(DeclSpec &DS); 971d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall void ParseObjCInterfaceDeclList(Decl *interfaceDecl, 972c81c8144a661a49d7b9dae8d2080dee2e43186ecChris Lattner tok::ObjCKeywordKind contextKey); 973d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCAtProtocolDeclaration(SourceLocation atLoc, 9747f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &prefixAttrs); 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 976d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ObjCImpDecl; 977d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 4> PendingObjCImpDecl; 9780416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff 979d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCAtImplementationDeclaration(SourceLocation atLoc); 980d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCAtEndDeclaration(SourceRange atEnd); 981d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCAtAliasDeclaration(SourceLocation atLoc); 982d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCPropertySynthesize(SourceLocation atLoc); 983d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCPropertyDynamic(SourceLocation atLoc); 9841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9852fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *ParseObjCSelectorPiece(SourceLocation &MethodLocation); 98634870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner // Definitions for Objective-c context sensitive keywords recognition. 98734870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner enum ObjCTypeQual { 98834870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner objc_in=0, objc_out, objc_inout, objc_oneway, objc_bycopy, objc_byref, 98934870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner objc_NumQuals 99034870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner }; 991a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek IdentifierInfo *ObjCTypeQuals[objc_NumQuals]; 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 993335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanian bool isTokIdentifier_in() const; 994d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 995b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor /// \brief The context in which we are parsing an Objective-C type name. 996b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor enum ObjCTypeNameContext { 997b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor OTN_ResultType, 998b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor OTN_ParameterType 999b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor }; 1000b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor 1001b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ParsedType ParseObjCTypeName(ObjCDeclSpec &DS, ObjCTypeNameContext Context); 1002294494e1cce92043562b4680c613df7fd028c02eSteve Naroff void ParseObjCMethodRequirement(); 1003d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCMethodPrototype(Decl *classOrCat, 100490ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword, 100590ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition = true); 1006d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCMethodDecl(SourceLocation mLoc, tok::TokenKind mType, 1007d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *classDecl, 100890ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword, 100990ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition=true); 1010bdb2d5056fd675c27307b34efd371bbba6839e92Douglas Gregor void ParseObjCPropertyAttribute(ObjCDeclSpec &DS, Decl *ClassDecl); 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1012d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseObjCMethodDefinition(); 10131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.5: Expressions. 10166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 101760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseExpression(); 101860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseConstantExpression(); 10192f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl // Expr that doesn't include commas. 102060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseAssignmentExpression(); 10212f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 102260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseExpressionWithLeadingAt(SourceLocation AtLoc); 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 102460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseExpressionWithLeadingExtension(SourceLocation ExtLoc); 1025adf077f46ba5cddcd801a647a5e9a3eb97060df4Eli Friedman 102660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseRHSOfBinaryExpression(ExprResult LHS, 10276aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor prec::Level MinPrec); 102860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCastExpression(bool isUnaryExpression, 1029f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isAddressOfOperand, 10302ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman bool &NotCastExpr, 1031b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TypeOfCast); 103260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCastExpression(bool isUnaryExpression, 10332ef13e5abef0570a9f567b4671367275c05d4d34Nate Begeman bool isAddressOfOperand = false, 1034b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TypeOfCast = ParsedType()); 10359c72c6088d591ace8503b842d39448c2040f3033John McCall 10369c72c6088d591ace8503b842d39448c2040f3033John McCall /// Returns true if the next token would start a postfix-expression 10379c72c6088d591ace8503b842d39448c2040f3033John McCall /// suffix. 10389c72c6088d591ace8503b842d39448c2040f3033John McCall bool isPostfixExpressionSuffixStart() { 10399c72c6088d591ace8503b842d39448c2040f3033John McCall tok::TokenKind K = Tok.getKind(); 10409c72c6088d591ace8503b842d39448c2040f3033John McCall return (K == tok::l_square || K == tok::l_paren || 10419c72c6088d591ace8503b842d39448c2040f3033John McCall K == tok::period || K == tok::arrow || 10429c72c6088d591ace8503b842d39448c2040f3033John McCall K == tok::plusplus || K == tok::minusminus); 10439c72c6088d591ace8503b842d39448c2040f3033John McCall } 10449c72c6088d591ace8503b842d39448c2040f3033John McCall 104560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParsePostfixExpressionSuffix(ExprResult LHS); 1046f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne ExprResult ParseUnaryExprOrTypeTraitExpression(); 104760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseBuiltinPrimaryExpression(); 10481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1049f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne ExprResult ParseExprAfterUnaryExprOrTypeTrait(const Token &OpTok, 10505ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis bool &isCastExpr, 1051b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType &CastTy, 10525ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis SourceRange &CastRange); 10530cd5b429fad6833dda23f0aced14a10907ac5539Argyrios Kyrtzidis 1054ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall typedef llvm::SmallVector<Expr*, 20> ExprListTy; 1055ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall typedef llvm::SmallVector<SourceLocation, 20> CommaLocsTy; 10560cd5b429fad6833dda23f0aced14a10907ac5539Argyrios Kyrtzidis 10570cd5b429fad6833dda23f0aced14a10907ac5539Argyrios Kyrtzidis /// ParseExpressionList - Used for C/C++ (argument-)expression-list. 1058ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall bool ParseExpressionList(llvm::SmallVectorImpl<Expr*> &Exprs, 1059ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall llvm::SmallVectorImpl<SourceLocation> &CommaLocs, 1060f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall void (Sema::*Completer)(Scope *S, 1061f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Expr *Data, 1062f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Expr **Args, 1063f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall unsigned NumArgs) = 0, 1064ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall Expr *Data = 0); 1065d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ParenParseOption - Control what ParseParenExpression will parse. 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ParenParseOption { 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SimpleExpr, // Only parse '(' expression ')' 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundStmt, // Also allow '(' compound-statement ')' 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundLiteral, // Also allow '(' type-name ')' '{' ... '}' 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr // Also allow '(' type-name ')' <anything> 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 107360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseParenExpression(ParenParseOption &ExprType, 10740350ca519405051e8d45d12ee7d09569a6a9c4c9Argyrios Kyrtzidis bool stopIfCastExpr, 1075b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType TypeOfCast, 1076b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType &CastTy, 1077d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl SourceLocation &RParenLoc); 10781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 107960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 1080b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType &CastTy, 1081f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 1082f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc); 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCompoundLiteralExpression(ParsedType Ty, 1085d974a7b72eb84cdc735b189bcea56fd37e13ebf6Argyrios Kyrtzidis SourceLocation LParenLoc, 1086d974a7b72eb84cdc735b189bcea56fd37e13ebf6Argyrios Kyrtzidis SourceLocation RParenLoc); 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseStringLiteralExpression(); 1089eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1090eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis //===--------------------------------------------------------------------===// 1091eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // C++ Expressions 109260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXIdExpression(bool isAddressOfOperand = false); 10934bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis 10941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS, 1095b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 1096b10cd04880672103660e5844e51ee91af7361a20Douglas Gregor bool EnteringContext, 1097d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor bool *MayBePseudoDestructor = 0); 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C++ 5.2p1: C++ Casts 110160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXCasts(); 11025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 1104c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // C++ 5.2p1: C++ Type Identification 110560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXTypeid(); 1106c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 1107c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl //===--------------------------------------------------------------------===// 110801b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet // C++ : Microsoft __uuidof Expression 110901b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet ExprResult ParseCXXUuidof(); 111001b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet 111101b7c3028da5bbcb9f8e52ba67e4613070de0e60Francois Pichet //===--------------------------------------------------------------------===// 1112d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor // C++ 5.2.4: C++ Pseudo-Destructor Expressions 111360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXPseudoDestructor(ExprArg Base, SourceLocation OpLoc, 1114d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor tok::TokenKind OpKind, 1115d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor CXXScopeSpec &SS, 1116b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType); 1117d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor 1118d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor //===--------------------------------------------------------------------===// 11194cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.3.2: C++ 'this' pointer 112060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXThis(); 11214cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 11224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis //===--------------------------------------------------------------------===// 112350dd289f45738ed22b7583d52ed2525b927042ffChris Lattner // C++ 15: C++ Throw Expression 112460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseThrowExpression(); 11257acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 11267acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType MaybeParseExceptionSpecification( 11277acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange &SpecificationRange, 11287acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<ParsedType> &DynamicExceptions, 11297acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<SourceRange> &DynamicExceptionRanges, 11307acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExprResult &NoexceptExpr); 11317acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl 1132ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // EndLoc is filled with the location of the last token of the specification. 11337acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl ExceptionSpecificationType ParseDynamicExceptionSpecification( 11347acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl SourceRange &SpecificationRange, 11357acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<ParsedType> &Exceptions, 11367acafd032e145dbdbbed9274ca57ec2c86b912bcSebastian Redl llvm::SmallVectorImpl<SourceRange> &Ranges); 113750dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 113850dd289f45738ed22b7583d52ed2525b927042ffChris Lattner //===--------------------------------------------------------------------===// 1139dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor // C++0x 8: Function declaration trailing-return-type 1140dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor TypeResult ParseTrailingReturnType(); 1141dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 1142dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor //===--------------------------------------------------------------------===// 11435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C++ 2.13.5: C++ Boolean Literals 114460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXBoolLiteral(); 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 1147987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // C++ 5.2.3: Explicit type conversion (functional notation) 114860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXTypeConstructExpression(const DeclSpec &DS); 1149987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 11506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool isCXXSimpleTypeSpecifier() const; 11516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 1152987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis /// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 1153987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis /// This should only be called when the current token is known to be part of 1154987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis /// simple-type-specifier. 1155987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis void ParseCXXSimpleTypeSpecifier(DeclSpec &DS); 1156987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 11572f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor bool ParseCXXTypeSpecifierSeq(DeclSpec &DS); 11582f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 1159987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis //===--------------------------------------------------------------------===// 11604c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // C++ 5.3.4 and 5.3.5: C++ new and delete 1161ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall bool ParseExpressionListOrTypeId(llvm::SmallVectorImpl<Expr*> &Exprs, 1162ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall Declarator &D); 11634c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl void ParseDirectNewDeclarator(Declarator &D); 116460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXNewExpression(bool UseGlobal, SourceLocation Start); 116560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXXDeleteExpression(bool UseGlobal, 116659232d35f5820e334b6c8b007ae8006f4390055dChris Lattner SourceLocation Start); 11674c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 11684c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl //===--------------------------------------------------------------------===// 116999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor // C++ if/switch/while condition expression. 117060d7b3a319d84d688752be3870615ac0f111fb16John McCall bool ParseCXXCondition(ExprResult &ExprResult, Decl *&DeclResult, 1171586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor SourceLocation Loc, bool ConvertToBoolean); 117271b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 117371b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis //===--------------------------------------------------------------------===// 117412e083c805c0f86be4f8e54b06e75b2c3dc1da64Douglas Gregor // C++ types 117512e083c805c0f86be4f8e54b06e75b2c3dc1da64Douglas Gregor 117612e083c805c0f86be4f8e54b06e75b2c3dc1da64Douglas Gregor //===--------------------------------------------------------------------===// 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.7.8: Initialization. 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11790eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner /// ParseInitializer 11800eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner /// initializer: [C99 6.7.8] 11810eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner /// assignment-expression 11820eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner /// '{' ... 118360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseInitializer() { 11840eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner if (Tok.isNot(tok::l_brace)) 118520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ParseAssignmentExpression(); 11860eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner return ParseBraceInitializer(); 11870eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner } 118860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseBraceInitializer(); 118960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseInitializerWithPotentialDesignator(); 11901d922960e083906a586609ac6978678147250177Sebastian Redl 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 1192296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // clang Expressions 11931d922960e083906a586609ac6978678147250177Sebastian Redl 119460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseBlockLiteralExpression(); // ^{...} 1195296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff 1196296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff //===--------------------------------------------------------------------===// 11975508518a2702b00be3b15a26d772bde968972f54Anders Carlsson // Objective-C Expressions 119860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseObjCAtExpression(SourceLocation AtLocation); 119960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseObjCStringLiteral(SourceLocation AtLoc); 120060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc); 120160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseObjCSelectorExpression(SourceLocation AtLoc); 120260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseObjCProtocolExpression(SourceLocation AtLoc); 12031b730e847ded503f2e615154035c083c4f94a067Douglas Gregor bool isSimpleObjCMessageExpression(); 120460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseObjCMessageExpression(); 120560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseObjCMessageExpressionBody(SourceLocation LBracloc, 12062725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation SuperLoc, 1207b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, 12081d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr); 120960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseAssignmentExprWithObjCMessageExprStart( 12102725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation LBracloc, SourceLocation SuperLoc, 1211b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, ExprArg ReceiverExpr); 12126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr); 121361364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 12145508518a2702b00be3b15a26d772bde968972f54Anders Carlsson //===--------------------------------------------------------------------===// 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.8: Statements and Blocks. 121661364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 121760d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult ParseStatement() { 1218c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian StmtVector Stmts(Actions); 1219c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian return ParseStatementOrDeclaration(Stmts, true); 122061364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl } 1221c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian StmtResult ParseStatementOrDeclaration(StmtVector& Stmts, 1222c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian bool OnlyStatement = false); 12237f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseLabeledStatement(ParsedAttributes &Attr); 12247f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseCaseStatement(ParsedAttributes &Attr); 12257f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseDefaultStatement(ParsedAttributes &Attr); 12267f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseCompoundStatement(ParsedAttributes &Attr, 1227bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool isStmtExpr = false); 122860d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult ParseCompoundStatementBody(bool isStmtExpr = false); 122960d7b3a319d84d688752be3870615ac0f111fb16John McCall bool ParseParenExprOrCondition(ExprResult &ExprResult, 1230d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *&DeclResult, 1231586596fd7f7a336a2847b300c80614dcf39ab6d5Douglas Gregor SourceLocation Loc, 123244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis bool ConvertToBoolean); 12337f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseIfStatement(ParsedAttributes &Attr); 12347f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseSwitchStatement(ParsedAttributes &Attr); 12357f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseWhileStatement(ParsedAttributes &Attr); 12367f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseDoStatement(ParsedAttributes &Attr); 12377f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseForStatement(ParsedAttributes &Attr); 12387f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseGotoStatement(ParsedAttributes &Attr); 12397f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseContinueStatement(ParsedAttributes &Attr); 12407f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseBreakStatement(ParsedAttributes &Attr); 12417f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseReturnStatement(ParsedAttributes &Attr); 124260d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult ParseAsmStatement(bool &msAsm); 1243a44724d0d6d03568ec9acadc0781d612163008e1Abramo Bagnara StmtResult FuzzyParseMicrosoftAsmStatement(SourceLocation AsmLoc); 1244ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson bool ParseAsmOperandsOpt(llvm::SmallVectorImpl<IdentifierInfo *> &Names, 1245ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::SmallVectorImpl<ExprTy *> &Constraints, 1246ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::SmallVectorImpl<ExprTy *> &Exprs); 1247a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl 1248a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl //===--------------------------------------------------------------------===// 1249a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl // C++ 6: Statements and Blocks 1250a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl 12517f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall StmtResult ParseCXXTryBlock(ParsedAttributes &Attr); 125260d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult ParseCXXTryBlockCommon(SourceLocation TryLoc); 125360d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult ParseCXXCatchBlock(); 1254a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl 1255a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl //===--------------------------------------------------------------------===// 1256a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl // Objective-C Statements 1257a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl 125860d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult ParseObjCAtStatement(SourceLocation atLoc); 125960d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult ParseObjCTryStmt(SourceLocation atLoc); 126060d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult ParseObjCThrowStmt(SourceLocation atLoc); 126160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult ParseObjCSynchronizedStmt(SourceLocation atLoc); 1262b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.7: Declarations. 126667d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall 126767d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall /// A context for parsing declaration specifiers. TODO: flesh this 126867d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall /// out, there are other significant restrictions on specifiers than 126967d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall /// would be best implemented in the parser. 127067d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall enum DeclSpecContext { 127167d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DSC_normal, // normal context 12720efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor DSC_class, // class context, enables 'friend' 12730efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor DSC_top_level // top-level/namespace declaration context 127467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall }; 12751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1276c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian DeclGroupPtrTy ParseDeclaration(StmtVector &Stmts, 1277c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian unsigned Context, SourceLocation &DeclEnd, 12787f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange &attrs); 1279c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian DeclGroupPtrTy ParseSimpleDeclaration(StmtVector &Stmts, 1280c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian unsigned Context, 1281bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt SourceLocation &DeclEnd, 12827f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs, 12835c5db553b5c256d0a6f55dde7325c1c829b88e8eChris Lattner bool RequireSemi); 128454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclGroupPtrTy ParseDeclGroup(ParsingDeclSpec &DS, unsigned Context, 1285d8ac05753dc4506224d445ff98399c01da3136e5John McCall bool AllowFunctionDefinitions, 1286d8ac05753dc4506224d445ff98399c01da3136e5John McCall SourceLocation *DeclEnd = 0); 1287d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseDeclarationAfterDeclarator(Declarator &D, 1288e542c862bdf9a9bcb4f468be8fa6561372430611Douglas Gregor const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo()); 1289c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor Decl *ParseFunctionStatementBody(Decl *Decl, ParseScope &BodyScope); 1290c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor Decl *ParseFunctionTryBlock(Decl *Decl, ParseScope &BodyScope); 1291d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl 12920fe5397b26695926a835fa99eceb7fc879b307afArgyrios Kyrtzidis /// \brief When in code-completion, skip parsing of the function/method body 12930fe5397b26695926a835fa99eceb7fc879b307afArgyrios Kyrtzidis /// unless the body contains the code-completion point. 12940fe5397b26695926a835fa99eceb7fc879b307afArgyrios Kyrtzidis /// 12950fe5397b26695926a835fa99eceb7fc879b307afArgyrios Kyrtzidis /// \returns true if the function body was skipped. 1296b162054ba8f5b64fe87fbc4837933ab23eebd52bArgyrios Kyrtzidis bool trySkippingFunctionBodyForCodeCompletion(); 12970fe5397b26695926a835fa99eceb7fc879b307afArgyrios Kyrtzidis 1298f4382f50b7ab9f445c3f5b3ddaa59e6da25ea3bbChris Lattner bool ParseImplicitInt(DeclSpec &DS, CXXScopeSpec *SS, 12994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 1300e40c295d017a8f75a945fe9ed2aa9d8bb7a7341aChris Lattner AccessSpecifier AS); 13010efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor DeclSpecContext getDeclSpecContextFromDeclaratorContext(unsigned Context); 13021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void ParseDeclarationSpecifiers(DeclSpec &DS, 13034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo(), 130467d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall AccessSpecifier AS = AS_none, 130567d1a67f3db2f1aa69083c5c94164d6e0ee05b32John McCall DeclSpecContext DSC = DSC_normal); 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool ParseOptionalTypeSpecifier(DeclSpec &DS, bool &isInvalid, 13077a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner const char *&PrevSpec, 1308fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned &DiagID, 1309d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo(), 1310d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl bool SuppressDeclarations = false); 13114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 13125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseSpecifierQualifierList(DeclSpec &DS); 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1314b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor void ParseObjCTypeQualifierList(ObjCDeclSpec &DS, 1315b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ObjCTypeNameContext Context); 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13174c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner void ParseEnumSpecifier(SourceLocation TagLoc, DeclSpec &DS, 13181b21391b3b1b7dd829c35f9b69199ed2a67da25aArgyrios Kyrtzidis const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo(), 13191b21391b3b1b7dd829c35f9b69199ed2a67da25aArgyrios Kyrtzidis AccessSpecifier AS = AS_none); 1320d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall void ParseEnumBody(SourceLocation StartLoc, Decl *TagDecl); 13215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseStructUnionBody(SourceLocation StartLoc, unsigned TagType, 1322d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TagDecl); 1323bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1324bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct FieldCallback { 1325d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall virtual Decl *invoke(FieldDeclarator &Field) = 0; 13266c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall virtual ~FieldCallback() {} 13276c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall 13286c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall private: 13296c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall virtual void _anchor(); 1330bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall }; 1331d0014540005f2a5ab837365db6bd40f479406758John McCall struct ObjCPropertyCallback; 1332bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1333bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall void ParseStructDeclaration(DeclSpec &DS, FieldCallback &Callback); 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13359497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor bool isDeclarationSpecifier(bool DisambiguatingWithExpression = false); 1336eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis bool isTypeSpecifierQualifier(); 13375f8aa696619e32bf307232841fedb704ba733b4dSteve Naroff bool isTypeQualifier() const; 1338b3a4e432c90be98c6d918087750397e86d030368Chris Lattner 1339b3a4e432c90be98c6d918087750397e86d030368Chris Lattner /// isKnownToBeTypeSpecifier - Return true if we know that the specified token 1340b3a4e432c90be98c6d918087750397e86d030368Chris Lattner /// is definitely a type-specifier. Return false if it isn't part of a type 1341b3a4e432c90be98c6d918087750397e86d030368Chris Lattner /// specifier or if we're not sure. 1342b3a4e432c90be98c6d918087750397e86d030368Chris Lattner bool isKnownToBeTypeSpecifier(const Token &Tok) const; 13435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13445404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// isDeclarationStatement - Disambiguates between a declaration or an 13455404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// expression statement, when parsing function bodies. 13465404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// Returns true for declaration, false for expression. 13475404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis bool isDeclarationStatement() { 13485404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis if (getLang().CPlusPlus) 13495404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis return isCXXDeclarationStatement(); 13509497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return isDeclarationSpecifier(true); 13515404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 13525404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 1353bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis /// isSimpleDeclaration - Disambiguates between a declaration or an 1354bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis /// expression, mainly used for the C 'clause-1' or the C++ 1355bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis // 'for-init-statement' part of a 'for' statement. 1356bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis /// Returns true for declaration, false for expression. 1357bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis bool isSimpleDeclaration() { 1358bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis if (getLang().CPlusPlus) 1359bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis return isCXXSimpleDeclaration(); 13609497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return isDeclarationSpecifier(true); 1361bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis } 1362bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis 13639497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor /// \brief Determine whether we are currently at the start of an Objective-C 13649497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor /// class message that appears to be missing the open bracket '['. 13659497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor bool isStartOfObjCClassMessageMissingOpenBracket(); 13669497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 13670efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor /// \brief Starting with a scope specifier, identifier, or 13680efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor /// template-id that refers to the current class, determine whether 13690efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor /// this is a constructor declarator. 13700efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor bool isConstructorDeclarator(); 13710efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor 13728b642592a35167a3780074e78674e0bece87c40cDouglas Gregor /// \brief Specifies the context in which type-id/expression 13738b642592a35167a3780074e78674e0bece87c40cDouglas Gregor /// disambiguation will occur. 13748b642592a35167a3780074e78674e0bece87c40cDouglas Gregor enum TentativeCXXTypeIdContext { 13758b642592a35167a3780074e78674e0bece87c40cDouglas Gregor TypeIdInParens, 13768b642592a35167a3780074e78674e0bece87c40cDouglas Gregor TypeIdAsTemplateArgument 13778b642592a35167a3780074e78674e0bece87c40cDouglas Gregor }; 13788b642592a35167a3780074e78674e0bece87c40cDouglas Gregor 13798b642592a35167a3780074e78674e0bece87c40cDouglas Gregor 138078c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis /// isTypeIdInParens - Assumes that a '(' was parsed and now we want to know 138178c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis /// whether the parens contain an expression or a type-id. 138278c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis /// Returns true for a type-id and false for an expression. 1383f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isTypeIdInParens(bool &isAmbiguous) { 138478c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis if (getLang().CPlusPlus) 1385f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return isCXXTypeId(TypeIdInParens, isAmbiguous); 1386f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis isAmbiguous = false; 138778c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis return isTypeSpecifierQualifier(); 138878c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis } 1389f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isTypeIdInParens() { 1390f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isAmbiguous; 1391f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return isTypeIdInParens(isAmbiguous); 1392f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 139378c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis 13945404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// isCXXDeclarationStatement - C++-specialized function that disambiguates 13955404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// between a declaration or an expression statement, when parsing function 13965404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// bodies. Returns true for declaration, false for expression. 13975404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis bool isCXXDeclarationStatement(); 13985404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 13995404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// isCXXSimpleDeclaration - C++-specialized function that disambiguates 14005404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// between a simple-declaration or an expression-statement. 14015404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// If during the disambiguation process a parsing error is encountered, 14025404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// the function returns true to let the declaration parsing code handle it. 14035404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// Returns false if the statement is disambiguated as expression. 14045404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis bool isCXXSimpleDeclaration(); 14055404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 14065404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// isCXXFunctionDeclarator - Disambiguates between a function declarator or 14075404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// a constructor-style initializer, when parsing declaration statements. 14085404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// Returns true for function declarator and false for constructor-style 1409e75d849d9141d8e47d05a91b7b5c04194854e47aArgyrios Kyrtzidis /// initializer. If 'warnIfAmbiguous' is true a warning will be emitted to 1410259b0d91f2ff90d8daf39221fe133bf1596c5ffbArgyrios Kyrtzidis /// indicate that the parens were disambiguated as function declarator. 14115404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// If during the disambiguation process a parsing error is encountered, 14125404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// the function returns true to let the declaration parsing code handle it. 1413e75d849d9141d8e47d05a91b7b5c04194854e47aArgyrios Kyrtzidis bool isCXXFunctionDeclarator(bool warnIfAmbiguous); 14145404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 1415a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis /// isCXXConditionDeclaration - Disambiguates between a declaration or an 1416a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis /// expression for a condition of a if/switch/while/for statement. 1417a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis /// If during the disambiguation process a parsing error is encountered, 1418a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis /// the function returns true to let the declaration parsing code handle it. 1419a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis bool isCXXConditionDeclaration(); 1420a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis 1421f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isCXXTypeId(TentativeCXXTypeIdContext Context, bool &isAmbiguous); 1422f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isCXXTypeId(TentativeCXXTypeIdContext Context) { 1423f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isAmbiguous; 1424f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return isCXXTypeId(Context, isAmbiguous); 1425f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 142678c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis 1427b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// TPResult - Used as the result value for functions whose purpose is to 1428b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// disambiguate C++ constructs by "tentatively parsing" them. 1429b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// This is a class instead of a simple enum because the implicit enum-to-bool 1430b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// conversions may cause subtle bugs. 1431b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis class TPResult { 1432b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis enum Result { 1433b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPR_true, 1434b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPR_false, 1435b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPR_ambiguous, 1436b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPR_error 1437b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis }; 1438b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis Result Res; 1439b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult(Result result) : Res(result) {} 1440b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis public: 1441b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis static TPResult True() { return TPR_true; } 1442b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis static TPResult False() { return TPR_false; } 1443b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis static TPResult Ambiguous() { return TPR_ambiguous; } 1444b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis static TPResult Error() { return TPR_error; } 1445b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis 1446b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis bool operator==(const TPResult &RHS) const { return Res == RHS.Res; } 1447b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis bool operator!=(const TPResult &RHS) const { return Res != RHS.Res; } 1448b47e38683f288cd4a73098091d629df417377a6bArgyrios Kyrtzidis }; 1449b47e38683f288cd4a73098091d629df417377a6bArgyrios Kyrtzidis 1450a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// \brief Based only on the given token kind, determine whether we know that 1451a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// we're at the start of an expression or a type-specifier-seq (which may 1452a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// be an expression, in C++). 1453a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// 1454a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// This routine does not attempt to resolve any of the trick cases, e.g., 1455a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// those involving lookup of identifiers. 1456a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// 1457a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// \returns \c TPR_true if this token starts an expression, \c TPR_false if 1458a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// this token starts a type-specifier-seq, or \c TPR_ambiguous if it cannot 1459a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor /// tell. 1460a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor TPResult isExpressionOrTypeSpecifierSimple(tok::TokenKind Kind); 1461a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor 1462b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// isCXXDeclarationSpecifier - Returns TPResult::True() if it is a 1463b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// declaration specifier, TPResult::False() if it is not, 1464b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// TPResult::Ambiguous() if it could be either a decl-specifier or a 1465b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// function-style cast, and TPResult::Error() if a parsing error was 1466b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// encountered. 14675404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// Doesn't consume tokens. 1468b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult isCXXDeclarationSpecifier(); 1469a61b3e7443056f8d05b24ca4cbea90fe66235d6bDouglas Gregor 14705404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis // "Tentative parsing" functions, used for disambiguation. If a parsing error 1471b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis // is encountered they will return TPResult::Error(). 1472b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis // Returning TPResult::True()/False() indicates that the ambiguity was 1473b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis // resolved and tentative parsing may stop. TPResult::Ambiguous() indicates 1474b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis // that more tentative parsing is necessary for disambiguation. 14755404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis // They all consume tokens, so backtracking should be used after calling them. 14765404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 1477b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseDeclarationSpecifier(); 1478b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseSimpleDeclaration(); 1479b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseTypeofSpecifier(); 14809bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor TPResult TryParseProtocolQualifiers(); 1481b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseInitDeclaratorList(); 148278c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis TPResult TryParseDeclarator(bool mayBeAbstract, bool mayHaveIdentifier=true); 1483b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseParameterDeclarationClause(); 1484b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseFunctionDeclarator(); 1485b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseBracketDeclarator(); 14865404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 1487683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor TypeResult ParseTypeName(SourceRange *Range = 0, 1488683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Declarator::TheContext Context 1489683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor = Declarator::TypeNameContext); 149098eb8a7a702b95183ed015706b1f1c66f5cb27a4Mike Stump void ParseBlockId(); 14917f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall 14927f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void ProhibitAttributes(ParsedAttributesWithRange &attrs) { 14937f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (!attrs.Range.isValid()) return; 14947f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall DiagnoseProhibitedAttributes(attrs); 14957f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 14967f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void DiagnoseProhibitedAttributes(ParsedAttributesWithRange &attrs); 14977f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall 14987f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void MaybeParseGNUAttributes(Declarator &D) { 14997f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (Tok.is(tok::kw___attribute)) { 15007f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 15017f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation endLoc; 15027f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs, &endLoc); 15037f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall D.addAttributes(attrs.getList(), endLoc); 15047f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 15057f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 15067f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void MaybeParseGNUAttributes(ParsedAttributes &attrs, 15077f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc = 0) { 15087f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (Tok.is(tok::kw___attribute)) 15097f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseGNUAttributes(attrs, endLoc); 15107f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 15117f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void ParseGNUAttributes(ParsedAttributes &attrs, 15127f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc = 0); 15137f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall 15147f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void MaybeParseCXX0XAttributes(Declarator &D) { 15157f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { 15167f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange attrs; 15177f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation endLoc; 15187f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseCXX0XAttributes(attrs, &endLoc); 15197f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall D.addAttributes(attrs.getList(), endLoc); 15207f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 15217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 15227f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void MaybeParseCXX0XAttributes(ParsedAttributes &attrs, 15237f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc = 0) { 15247f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { 15257f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange attrsWithRange; 15267f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseCXX0XAttributes(attrsWithRange, endLoc); 15277f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.append(attrsWithRange.getList()); 15287f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 15297f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 15307f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void MaybeParseCXX0XAttributes(ParsedAttributesWithRange &attrs, 15317f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc = 0) { 15327f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 15337f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseCXX0XAttributes(attrs, endLoc); 15347f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 15357f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void ParseCXX0XAttributes(ParsedAttributesWithRange &attrs, 15367f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *EndLoc = 0); 15377f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall 15387f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void MaybeParseMicrosoftAttributes(ParsedAttributes &attrs, 15397f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc = 0) { 15407f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().Microsoft && Tok.is(tok::l_square)) 15417f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParseMicrosoftAttributes(attrs, endLoc); 15427f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 15437f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void ParseMicrosoftAttributes(ParsedAttributes &attrs, 15447f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation *endLoc = 0); 15457f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void ParseMicrosoftDeclSpec(ParsedAttributes &attrs); 15467f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void ParseMicrosoftTypeAttributes(ParsedAttributes &attrs); 15477f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall void ParseBorlandTypeAttributes(ParsedAttributes &attrs); 1548f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne void ParseOpenCLAttributes(ParsedAttributes &attrs); 15497f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall 1550d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff void ParseTypeofSpecifier(DeclSpec &DS); 15516fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson void ParseDecltypeSpecifier(DeclSpec &DS); 1552bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 155360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseCXX0XAlignArgument(SourceLocation Start); 1554eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1555cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson VirtSpecifiers::Specifier isCXX0XVirtSpecifier() const; 1556b971dbdb65149a7cf0c046380186d0204e5b411eAnders Carlsson void ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS); 15571f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 1558cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson ClassVirtSpecifiers::Specifier isCXX0XClassVirtSpecifier() const; 1559cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson void ParseOptionalCXX0XClassVirtSpecifierSeq(ClassVirtSpecifiers &CVS); 1560cc54d594d4f6509c0e3a8e349e481d9b5d899df6Anders Carlsson 1561eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// DeclaratorScopeObj - RAII object used in Parser::ParseDirectDeclarator to 1562eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// enter a new C++ declarator scope and exit it when the function is 1563eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// finished. 1564eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis class DeclaratorScopeObj { 1565eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Parser &P; 1566751810234ffb45327f23c5f9fda0b944e480bd2bArgyrios Kyrtzidis CXXScopeSpec &SS; 1567f37006bc8a9d398d40d6ce329f023ed1a92fe484Argyrios Kyrtzidis bool EnteredScope; 1568f7f3d0db754db0500b56d49ac19f795f13965912John McCall bool CreatedScope; 1569eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis public: 1570f37006bc8a9d398d40d6ce329f023ed1a92fe484Argyrios Kyrtzidis DeclaratorScopeObj(Parser &p, CXXScopeSpec &ss) 1571f7f3d0db754db0500b56d49ac19f795f13965912John McCall : P(p), SS(ss), EnteredScope(false), CreatedScope(false) {} 1572eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1573eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis void EnterDeclaratorScope() { 15742bcb3439b50c7f227a21d7118a2a76904ec60331Argyrios Kyrtzidis assert(!EnteredScope && "Already entered the scope!"); 1575f37006bc8a9d398d40d6ce329f023ed1a92fe484Argyrios Kyrtzidis assert(SS.isSet() && "C++ scope was not set!"); 1576f7f3d0db754db0500b56d49ac19f795f13965912John McCall 1577f7f3d0db754db0500b56d49ac19f795f13965912John McCall CreatedScope = true; 1578f7f3d0db754db0500b56d49ac19f795f13965912John McCall P.EnterScope(0); // Not a decl scope. 1579f7f3d0db754db0500b56d49ac19f795f13965912John McCall 158023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!P.Actions.ActOnCXXEnterDeclaratorScope(P.getCurScope(), SS)) 15813fdbed594f4cb238fe37cad2ec3fefa3b6f67125Douglas Gregor EnteredScope = true; 1582eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 1583eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1584eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis ~DeclaratorScopeObj() { 1585f37006bc8a9d398d40d6ce329f023ed1a92fe484Argyrios Kyrtzidis if (EnteredScope) { 1586f37006bc8a9d398d40d6ce329f023ed1a92fe484Argyrios Kyrtzidis assert(SS.isSet() && "C++ scope was cleared ?"); 158723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor P.Actions.ActOnCXXExitDeclaratorScope(P.getCurScope(), SS); 1588f37006bc8a9d398d40d6ce329f023ed1a92fe484Argyrios Kyrtzidis } 1589f7f3d0db754db0500b56d49ac19f795f13965912John McCall if (CreatedScope) 1590f7f3d0db754db0500b56d49ac19f795f13965912John McCall P.ExitScope(); 1591eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 1592eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis }; 15931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ParseDeclarator - Parse and verify a newly-initialized declarator. 15955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseDeclarator(Declarator &D); 15964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl /// A function that parses a variant of direct-declarator. 15974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef void (Parser::*DirectDeclParseFunction)(Declarator&); 15984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl void ParseDeclaratorInternal(Declarator &D, 15994c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl DirectDeclParseFunction DirectDeclParser); 16007f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall 1601bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt void ParseTypeQualifierListOpt(DeclSpec &DS, bool GNUAttributesAllowed = true, 1602bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool CXX0XAttributesAllowed = true); 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseDirectDeclarator(Declarator &D); 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseParenDeclarator(Declarator &D); 16057399ee0aa6ffaeab0a8f83408b1c5127fb2bf5b8Chris Lattner void ParseFunctionDeclarator(SourceLocation LParenLoc, Declarator &D, 16067f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs, 16077399ee0aa6ffaeab0a8f83408b1c5127fb2bf5b8Chris Lattner bool RequiresArg = false); 160866d28650752eeac0b02802a1d8cea425cb6b1c0fChris Lattner void ParseFunctionDeclaratorIdentifierList(SourceLocation LParenLoc, 160983a944763b0948c608eb48f101ec10a1ae5da46aChris Lattner IdentifierInfo *FirstIdent, 161083a944763b0948c608eb48f101ec10a1ae5da46aChris Lattner SourceLocation FirstIdentLoc, 161166d28650752eeac0b02802a1d8cea425cb6b1c0fChris Lattner Declarator &D); 16125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseBracketDeclarator(Declarator &D); 16131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16148f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner //===--------------------------------------------------------------------===// 16158f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // C++ 7: Declarations [dcl.dcl] 16161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1617bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt bool isCXX0XAttributeSpecifier(bool FullLookahead = false, 1618bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt tok::TokenKind *After = 0); 1619bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 1620d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl Decl *ParseNamespace(unsigned Context, SourceLocation &DeclEnd, 1621d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation InlineLoc = SourceLocation()); 1622d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseLinkage(ParsingDeclSpec &DS, unsigned Context); 1623d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseUsingDirectiveOrDeclaration(unsigned Context, 162478b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 1625d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation &DeclEnd, 16267f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributesWithRange &attrs); 162778b810559d89e996e00684335407443936ce34a1John McCall Decl *ParseUsingDirective(unsigned Context, 162878b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 16297f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall SourceLocation &DeclEnd, 16307f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs); 163178b810559d89e996e00684335407443936ce34a1John McCall Decl *ParseUsingDeclaration(unsigned Context, 163278b810559d89e996e00684335407443936ce34a1John McCall const ParsedTemplateInfo &TemplateInfo, 163378b810559d89e996e00684335407443936ce34a1John McCall SourceLocation UsingLoc, 1634d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation &DeclEnd, 1635d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl AccessSpecifier AS = AS_none); 1636d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseStaticAssertDeclaration(SourceLocation &DeclEnd); 1637d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseNamespaceAlias(SourceLocation NamespaceLoc, 1638d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation AliasLoc, IdentifierInfo *Alias, 1639d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation &DeclEnd); 16401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1641e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor //===--------------------------------------------------------------------===// 1642e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // C++ 9: classes [class] and C structs/unions. 1643059101f922de6eb765601459925f4c8914420b23Douglas Gregor TypeResult ParseClassName(SourceLocation &EndLocation, CXXScopeSpec &SS); 16444c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner void ParseClassSpecifier(tok::TokenKind TagTokKind, SourceLocation TagLoc, 16451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclSpec &DS, 16464d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo(), 1647d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl AccessSpecifier AS = AS_none, 1648d9bafa76f8d6eb9e4f4974ed322217f8df6bb82eSebastian Redl bool SuppressDeclarations = false); 16494cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis void ParseCXXMemberSpecification(SourceLocation StartLoc, unsigned TagType, 1650d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TagDecl); 165137b372b76a3fafe77186d7e6079e5642e2017478Douglas Gregor void ParseCXXClassMemberDeclaration(AccessSpecifier AS, 1652c9068d7dd94d439cec66c421115d15303e481025John McCall const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo(), 1653c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject *DiagsFromTParams = 0); 1654d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall void ParseConstructorInitializer(Decl *ConstructorDecl); 1655d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall MemInitResult ParseMemInitializer(Decl *ConstructorDecl); 1656d33133cdc1af466f9c276249b2621be03867888bEli Friedman void HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo, 1657d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ThisDecl); 1658e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1659e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor //===--------------------------------------------------------------------===// 1660e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // C++ 10: Derived classes [class.derived] 1661d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall void ParseBaseClause(Decl *ClassDecl); 1662d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall BaseResult ParseBaseSpecifier(Decl *ClassDecl); 16631b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas Gregor AccessSpecifier getAccessSpecifierIfPresent() const; 16641cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 16653f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool ParseUnqualifiedIdTemplateId(CXXScopeSpec &SS, 16663f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor IdentifierInfo *Name, 16673f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor SourceLocation NameLoc, 16683f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool EnteringContext, 1669b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 1670d4dca08d6b7ed2e3e3718caa6fd735960b135e9aDouglas Gregor UnqualifiedId &Id, 16710278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor bool AssumeTemplateId, 16720278e123b4606ea15dbfa717e9c5a76a5ef2bc7dDouglas Gregor SourceLocation TemplateKWLoc); 1673ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor bool ParseUnqualifiedIdOperator(CXXScopeSpec &SS, bool EnteringContext, 1674b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 1675ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId &Result); 16763f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor bool ParseUnqualifiedId(CXXScopeSpec &SS, bool EnteringContext, 167702a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor bool AllowDestructorName, 167802a24ee67c0a91bdb0db8a651d5748595652e670Douglas Gregor bool AllowConstructorName, 1679b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ObjectType, 16803f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor UnqualifiedId &Result); 16813f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 16821cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor //===--------------------------------------------------------------------===// 1683adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor // C++ 14: Templates [temp] 1684c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor 1685adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor // C++ 14.1: Template Parameters [temp.param] 1686d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseDeclarationStartingWithTemplate(unsigned Context, 16874d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SourceLocation &DeclEnd, 16884d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AccessSpecifier AS = AS_none); 1689d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseTemplateDeclarationOrSpecialization(unsigned Context, 169097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd, 16914d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AccessSpecifier AS); 1692d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseSingleDeclarationAfterTemplate( 16931426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor unsigned Context, 16944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 1695c9068d7dd94d439cec66c421115d15303e481025John McCall ParsingDeclRAIIObject &DiagsFromParams, 16961426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor SourceLocation &DeclEnd, 16971426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor AccessSpecifier AS=AS_none); 16981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool ParseTemplateParameters(unsigned Depth, 16991f58816e6589ef15d1509c6c99bb8fabf2a4cda9John McCall llvm::SmallVectorImpl<Decl*> &TemplateParams, 17001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation &LAngleLoc, 1701c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor SourceLocation &RAngleLoc); 1702c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor bool ParseTemplateParameterList(unsigned Depth, 17031f58816e6589ef15d1509c6c99bb8fabf2a4cda9John McCall llvm::SmallVectorImpl<Decl*> &TemplateParams); 170498440b4ac17dc5f85ea3db683c1c1785449c17e1Douglas Gregor bool isStartOfTemplateTypeParameter(); 1705d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseTemplateParameter(unsigned Depth, unsigned Position); 1706d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseTypeParameter(unsigned Depth, unsigned Position); 1707d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseTemplateTemplateParameter(unsigned Depth, unsigned Position); 1708d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseNonTypeTemplateParameter(unsigned Depth, unsigned Position); 1709d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor // C++ 14.3: Template arguments [temp.arg] 1710314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor typedef llvm::SmallVector<ParsedTemplateArgument, 16> TemplateArgList; 1711cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 17127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool ParseTemplateIdAfterTemplateName(TemplateTy Template, 17131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation TemplateNameLoc, 1714059101f922de6eb765601459925f4c8914420b23Douglas Gregor const CXXScopeSpec &SS, 1715cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor bool ConsumeLastToken, 1716cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor SourceLocation &LAngleLoc, 1717cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateArgList &TemplateArgs, 1718cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor SourceLocation &RAngleLoc); 1719cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 1720c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner bool AnnotateTemplateIdToken(TemplateTy Template, TemplateNameKind TNK, 1721059101f922de6eb765601459925f4c8914420b23Douglas Gregor CXXScopeSpec &SS, 1722ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor UnqualifiedId &TemplateName, 172339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceLocation TemplateKWLoc = SourceLocation(), 172439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor bool AllowTypeAnnotation = true); 1725059101f922de6eb765601459925f4c8914420b23Douglas Gregor void AnnotateTemplateIdTokenAsType(); 1726d5ab9b0a0ae24f7d0f49f6f10fd1b247e64b3306Douglas Gregor bool IsTemplateArgumentList(unsigned Skip = 0); 1727314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor bool ParseTemplateArgumentList(TemplateArgList &TemplateArgs); 1728788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor ParsedTemplateArgument ParseTemplateTemplateArgument(); 1729314b97f8c564b465af605efaee23f91ec18a982bDouglas Gregor ParsedTemplateArgument ParseTemplateArgument(); 1730d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ParseExplicitInstantiation(SourceLocation ExternLoc, 1731d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SourceLocation TemplateLoc, 1732d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SourceLocation &DeclEnd); 173364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 173464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl //===--------------------------------------------------------------------===// 173564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // GNU G++: Type Traits [Type-Traits.html in the GCC manual] 173660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult ParseUnaryTypeTrait(); 17376ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet ExprResult ParseBinaryTypeTrait(); 1738f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor 1739f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor //===--------------------------------------------------------------------===// 1740f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor // Preprocessor code-completion pass-through 1741f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor virtual void CodeCompleteDirective(bool InConditional); 1742f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor virtual void CodeCompleteInConditionalExclusion(); 17431fbb447e9d43c2c676e94081fbfee7eb6cbe933bDouglas Gregor virtual void CodeCompleteMacroName(bool IsDefinition); 1744f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor virtual void CodeCompletePreprocessorExpression(); 1745f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor virtual void CodeCompleteMacroArgument(IdentifierInfo *Macro, 1746f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor MacroInfo *MacroInfo, 1747f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor unsigned ArgumentIndex); 174855817afdf9d453a443262a733f6caf6692dca118Douglas Gregor virtual void CodeCompleteNaturalLanguage(); 17495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 17525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1754