Parser.h revision 989135901c750af61ef012b6b0a0368be415bc46
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 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Lex/Preprocessor.h" 1806c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor#include "clang/Parse/AccessSpecifier.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Parse/Action.h" 20eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis#include "clang/Parse/DeclSpec.h" 214726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek#include "llvm/ADT/OwningPtr.h" 224cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis#include <stack> 231100258c19dd8967ba078c0bc81fc06cea9d033fChris Lattner#include <list> 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 26fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar class AttributeList; 27fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar class PragmaHandler; 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Scope; 293cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner class DiagnosticBuilder; 300102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner class Parser; 314726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek class PragmaUnusedHandler; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 330102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner/// PrettyStackTraceParserEntry - If a crash happens while the parser is active, 340102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner/// an entry is printed for it. 350102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattnerclass PrettyStackTraceParserEntry : public llvm::PrettyStackTraceEntry { 360102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner const Parser &P; 370102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattnerpublic: 380102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner PrettyStackTraceParserEntry(const Parser &p) : P(p) {} 390102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner virtual void print(llvm::raw_ostream &OS) const; 400102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner}; 410102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner 420102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Parser - This implements a parser for the C family of languages. After 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// parsing units of the grammar, productions are invoked to handle whatever has 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// been read. 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Parser { 484726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek friend class PragmaUnusedHandler; 490102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner PrettyStackTraceParserEntry CrashInfo; 500102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Preprocessor &PP; 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5397d0205d16fef2a783e785459b5f30f6a9dfbcb9Eric Christopher /// Tok - The current token we are peeking ahead. All parsing methods assume 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// that this is valid. 55d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner Token Tok; 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 574b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // PrevTokLocation - The location of the token we previously 584b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // consumed. This token is used for diagnostics where we expected to 594b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // see a token following another token (e.g., the ';' at the end of 604b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // a statement). 614b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor SourceLocation PrevTokLocation; 624b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned short ParenCount, BracketCount, BraceCount; 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Actions - These are the callbacks we invoke as we parse various constructs 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in the file. This refers to the common base class between MinimalActions 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and SemaActions for those uses that don't matter. 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Action &Actions; 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Scope *CurScope; 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diagnostic &Diags; 729e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner 739e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner /// ScopeCache - Cache scopes to reduce malloc traffic. 749e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner enum { ScopeCacheSize = 16 }; 759e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner unsigned NumCachedScopes; 769e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner Scope *ScopeCache[ScopeCacheSize]; 77662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar 78662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar /// Ident_super - IdentifierInfo for "super", to support fast 79662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar /// comparison. 80662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar IdentifierInfo *Ident_super; 81662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar 824726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek llvm::OwningPtr<PragmaHandler> PackHandler; 834726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek llvm::OwningPtr<PragmaHandler> UnusedHandler; 849991479ad5dde617168cc1e4b18425cdbbfd9fa9Eli Friedman llvm::OwningPtr<PragmaHandler> WeakHandler; 85fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar 8655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// Whether the '>' token acts as an operator or not. This will be 8755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// true except when we are parsing an expression within a C++ 8855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// template argument list, where the '>' closes the template 8955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// argument list. 9055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor bool GreaterThanIsOperator; 9155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 92f02da89d7bddc319be52605d36442518647116b4Douglas Gregor /// \brief RAII object that makes '>' behave either as an operator 93f02da89d7bddc319be52605d36442518647116b4Douglas Gregor /// or as the closing angle bracket for a template argument list. 94f02da89d7bddc319be52605d36442518647116b4Douglas Gregor struct GreaterThanIsOperatorScope { 9555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor bool &GreaterThanIsOperator; 9655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor bool OldGreaterThanIsOperator; 9755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 98f02da89d7bddc319be52605d36442518647116b4Douglas Gregor GreaterThanIsOperatorScope(bool >IO, bool Val) 9955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : GreaterThanIsOperator(GTIO), OldGreaterThanIsOperator(GTIO) { 100f02da89d7bddc319be52605d36442518647116b4Douglas Gregor GreaterThanIsOperator = Val; 10155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 10255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 103f02da89d7bddc319be52605d36442518647116b4Douglas Gregor ~GreaterThanIsOperatorScope() { 10455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor GreaterThanIsOperator = OldGreaterThanIsOperator; 10555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 10655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor }; 10755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Parser(Preprocessor &PP, Action &Actions); 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~Parser(); 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const LangOptions &getLang() const { return PP.getLangOptions(); } 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &getTargetInfo() const { return PP.getTargetInfo(); } 1140102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner Preprocessor &getPreprocessor() const { return PP; } 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Action &getActions() const { return Actions; } 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1170102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner const Token &getCurToken() const { return Tok; } 1180102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Type forwarding. All of these are statically 'void*', but they may all be 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // different actual classes based on the actions in place. 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef Action::ExprTy ExprTy; 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef Action::StmtTy StmtTy; 123b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner typedef Action::DeclPtrTy DeclPtrTy; 124682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner typedef Action::DeclGroupPtrTy DeclGroupPtrTy; 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef Action::TypeTy TypeTy; 126f8268ae3196002bbab6adb830302e79b0f368f13Douglas Gregor typedef Action::BaseTy BaseTy; 1277ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor typedef Action::MemInitTy MemInitTy; 128eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis typedef Action::CXXScopeTy CXXScopeTy; 129c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor typedef Action::TemplateParamsTy TemplateParamsTy; 1307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor typedef Action::TemplateTy TemplateTy; 1317ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 132c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor typedef llvm::SmallVector<TemplateParamsTy *, 4> TemplateParameterLists; 133c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor 134d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor typedef Action::ExprResult ExprResult; 135d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor typedef Action::StmtResult StmtResult; 136d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor typedef Action::BaseResult BaseResult; 137d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor typedef Action::MemInitResult MemInitResult; 138809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor typedef Action::TypeResult TypeResult; 13915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl 14015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl typedef Action::OwningExprResult OwningExprResult; 14115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl typedef Action::OwningStmtResult OwningStmtResult; 14215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl 1431d922960e083906a586609ac6978678147250177Sebastian Redl typedef Action::ExprArg ExprArg; 144a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl typedef Action::MultiStmtArg MultiStmtArg; 145a99fad8ff134273fe85f2970c7d89133d1218900Anders Carlsson typedef Action::FullExprArg FullExprArg; 1461d922960e083906a586609ac6978678147250177Sebastian Redl 14761364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl /// Adorns a ExprResult with Actions to make it an OwningExprResult 14861364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningExprResult Owned(ExprResult res) { 14961364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl return OwningExprResult(Actions, res); 15061364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl } 15161364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl /// Adorns a StmtResult with Actions to make it an OwningStmtResult 15261364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult Owned(StmtResult res) { 15361364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl return OwningStmtResult(Actions, res); 15461364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl } 15561364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 15661364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningExprResult ExprError() { return OwningExprResult(Actions, true); } 15761364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult StmtError() { return OwningStmtResult(Actions, true); } 158d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 1592f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult ExprError(const DiagnosticBuilder &) { return ExprError(); } 1602f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningStmtResult StmtError(const DiagnosticBuilder &) { return StmtError(); } 16161364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1625ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis OwningExprResult ExprEmpty() { return OwningExprResult(Actions, false); } 1635ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parsing methods. 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ParseTranslationUnit - All in one method that initializes parses, and 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// shuts down the parser. 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseTranslationUnit(); 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Initialize - Warm up the parser. 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Initialize(); 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1741f6443255894429fba384de0d5b6389ef578a5e9Steve Naroff /// ParseTopLevelDecl - Parse one top-level declaration. Returns true if 1751f6443255894429fba384de0d5b6389ef578a5e9Steve Naroff /// the EOF was encountered. 176682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner bool ParseTopLevelDecl(DeclGroupPtrTy &Result); 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Low-Level token peeking and consumption methods. 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isTokenParen - Return true if the cur token is '(' or ')'. 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isTokenParen() const { 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Tok.getKind() == tok::l_paren || Tok.getKind() == tok::r_paren; 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isTokenBracket - Return true if the cur token is '[' or ']'. 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isTokenBracket() const { 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Tok.getKind() == tok::l_square || Tok.getKind() == tok::r_square; 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isTokenBrace - Return true if the cur token is '{' or '}'. 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isTokenBrace() const { 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Tok.getKind() == tok::l_brace || Tok.getKind() == tok::r_brace; 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isTokenStringLiteral - True if this token is a string-literal. 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isTokenStringLiteral() const { 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Tok.getKind() == tok::string_literal || 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Tok.getKind() == tok::wide_string_literal; 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 202eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeToken - Consume the current 'peek token' and lex the next one. 204d6ecc5cf945ccdf2b931137e364a69cde59ab18bZhongxing Xu /// This does not work with all kinds of tokens: strings and specific other 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// tokens must be consumed with custom methods below. This returns the 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// location of the consumed token. 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeToken() { 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isTokenStringLiteral() && !isTokenParen() && !isTokenBracket() && 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer !isTokenBrace() && 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Should consume special tokens with Consume*Token"); 2114b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 2134b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeAnyToken - Dispatch to the right Consume* method based on the 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// current token type. This should only be used in cases where the type of 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the token really isn't known, e.g. in error recovery. 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeAnyToken() { 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isTokenParen()) 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ConsumeParen(); 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (isTokenBracket()) 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ConsumeBracket(); 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (isTokenBrace()) 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ConsumeBrace(); 226d62701bc5321049353017e9abf1963edd57646aaSteve Naroff else if (isTokenStringLiteral()) 227d62701bc5321049353017e9abf1963edd57646aaSteve Naroff return ConsumeStringToken(); 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ConsumeToken(); 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeParen - This consume method keeps the paren count up-to-date. 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeParen() { 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isTokenParen() && "wrong consume method"); 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Tok.getKind() == tok::l_paren) 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++ParenCount; 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (ParenCount) 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer --ParenCount; // Don't let unbalanced )'s drive the count negative. 2404b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 2424b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeBracket - This consume method keeps the bracket count up-to-date. 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeBracket() { 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isTokenBracket() && "wrong consume method"); 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Tok.getKind() == tok::l_square) 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++BracketCount; 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (BracketCount) 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer --BracketCount; // Don't let unbalanced ]'s drive the count negative. 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2544b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 2564b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeBrace - This consume method keeps the brace count up-to-date. 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeBrace() { 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isTokenBrace() && "wrong consume method"); 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Tok.getKind() == tok::l_brace) 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++BraceCount; 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (BraceCount) 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer --BraceCount; // Don't let unbalanced }'s drive the count negative. 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2684b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 2704b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ConsumeStringToken - Consume the current 'peek token', lexing a new one 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and returning the token kind. This method is specific to strings, as it 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// handles string literal concatenation, as per C99 5.1.1.2, translation 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// phase #6. 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation ConsumeStringToken() { 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isTokenStringLiteral() && 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Should only consume string literals with this method"); 2804b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor PrevTokLocation = Tok.getLocation(); 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PP.Lex(Tok); 2824b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return PrevTokLocation; 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2856b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// GetLookAheadToken - This peeks ahead N tokens and returns that token 2866b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// without consuming any tokens. LookAhead(0) returns 'Tok', LookAhead(1) 2876b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// returns the token after Tok, etc. 2886b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// 2896b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// Note that this differs from the Preprocessor's LookAhead method, because 2906b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// the Parser always has one token lexed that the preprocessor doesn't. 2916b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner /// 29203db1b31dd926409b7defc1c90b66549464652c0Argyrios Kyrtzidis const Token &GetLookAheadToken(unsigned N) { 2936b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (N == 0 || Tok.is(tok::eof)) return Tok; 2946b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return PP.LookAhead(N-1); 2956b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } 296f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis 297f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis /// NextToken - This peeks ahead one token and returns it without 298f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis /// consuming it. 299f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis const Token &NextToken() { 30003db1b31dd926409b7defc1c90b66549464652c0Argyrios Kyrtzidis return PP.LookAhead(0); 301f7da726f09a6b7c5b9f5308e9690cb015398e671Argyrios Kyrtzidis } 3025404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 303eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// TryAnnotateTypeOrScopeToken - If the current token position is on a 304eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// typename (possibly qualified in C++) or a C++ scope specifier not followed 305eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// by a typename, TryAnnotateTypeOrScopeToken will replace one or more tokens 306eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// with a single annotation token representing the typename or C++ scope 307eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// respectively. 308eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// This simplifies handling of C++ scope specifiers and allows efficient 309eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// backtracking without the need to re-parse and resolve nested-names and 310eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// typenames. 31144802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis /// It will mainly be called when we expect to treat identifiers as typenames 31244802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis /// (if they are typenames). For example, in C we do not expect identifiers 31344802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis /// inside expressions to be treated as typenames so it will not be called 31444802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis /// for expressions in C. 315a7bc7c880f86bc180684ef032d06df51bcae7a23Chris Lattner /// 316a7bc7c880f86bc180684ef032d06df51bcae7a23Chris Lattner /// This returns true if the token was annotated. 3175b4547318bb179fc76f984f0eeaaf615927e795cChris Lattner bool TryAnnotateTypeOrScopeToken(); 318eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 3194bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis /// TryAnnotateCXXScopeToken - Like TryAnnotateTypeOrScopeToken but only 3205e02c47a7085831586344a9728763cb50540c7f7Chris Lattner /// annotates C++ scope specifiers. This returns true if the token was 3215e02c47a7085831586344a9728763cb50540c7f7Chris Lattner /// annotated. 3225e02c47a7085831586344a9728763cb50540c7f7Chris Lattner bool TryAnnotateCXXScopeToken(); 323eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 3245404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// TentativeParsingAction - An object that is used as a kind of "tentative 3255404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// parsing transaction". It gets instantiated to mark the token position and 3265404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// after the token consumption is done, Commit() or Revert() is called to 3275404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// either "commit the consumed tokens" or revert to the previously marked 3285404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// token position. Example: 3295404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// 3305404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// TentativeParsingAction TPA; 3315404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// ConsumeToken(); 3325404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// .... 3335404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// TPA.Revert(); 3345404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// 3355404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis class TentativeParsingAction { 3365404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis Parser &P; 3375404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis Token PrevTok; 3385404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis bool isActive; 3395404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 3405404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis public: 3415404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis explicit TentativeParsingAction(Parser& p) : P(p) { 3425404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis PrevTok = P.Tok; 3435404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis P.PP.EnableBacktrackAtThisPos(); 3445404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis isActive = true; 3455404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 3465404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis void Commit() { 3475404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis assert(isActive && "Parsing action was finished!"); 3485404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis P.PP.CommitBacktrackedTokens(); 3495404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis isActive = false; 3505404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 3515404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis void Revert() { 3525404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis assert(isActive && "Parsing action was finished!"); 3535404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis P.PP.Backtrack(); 3545404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis P.Tok = PrevTok; 3555404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis isActive = false; 3565404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 3575404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis ~TentativeParsingAction() { 3585404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis assert(!isActive && "Forgot to call Commit or Revert!"); 3595404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 3605404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis }; 3616b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 3626b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// MatchRHSPunctuation - For punctuation with a LHS and RHS (e.g. '['/']'), 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this helper function matches and consumes the specified RHS token if 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// present. If not present, it emits the specified diagnostic indicating 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// that the parser failed to match the RHS of the token at LHSLoc. LHSName 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// should be the name of the unmatched LHS token. This returns the location 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the consumed token. 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MatchRHSPunctuation(tok::TokenKind RHSTok, 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LHSLoc); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ExpectAndConsume - The parser expects that 'ExpectedTok' is next in the 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// input. If so, it is consumed and false is returned. 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If the input is malformed, this emits the specified diagnostic. Next, if 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SkipToTok is specified, it calls SkipUntil(SkipToTok). Finally, true is 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// returned. 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool ExpectAndConsume(tok::TokenKind ExpectedTok, unsigned Diag, 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *DiagMsg = "", 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind SkipToTok = tok::unknown); 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Scope manipulation 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3858935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// ParseScope - Introduces a new scope for parsing. The kind of 3868935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// scope is determined by ScopeFlags. Objects of this type should 3878935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// be created on the stack to coincide with the position where the 3888935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// parser enters the new scope, and this object's constructor will 3898935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// create that new scope. Similarly, once the object is destroyed 3908935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor /// the parser will exit the scope. 3918935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor class ParseScope { 3928935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Parser *Self; 3938935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope(const ParseScope&); // do not implement 3948935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope& operator=(const ParseScope&); // do not implement 3958935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor 3968935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor public: 3978935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // ParseScope - Construct a new object to manage a scope in the 3988935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // parser Self where the new Scope is created with the flags 3998935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // ScopeFlags, but only when ManageScope is true (the default). If 4008935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // ManageScope is false, this object does nothing. 4018935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope(Parser *Self, unsigned ScopeFlags, bool ManageScope = true) 4028935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor : Self(Self) { 4038935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor if (ManageScope) 4048935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Self->EnterScope(ScopeFlags); 4058935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor else 4068935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor this->Self = 0; 4078935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor } 4088935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor 4098935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // Exit - Exit the scope associated with this object now, rather 4108935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor // than waiting until the object is destroyed. 4118935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor void Exit() { 4128935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor if (Self) { 4138935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Self->ExitScope(); 4148935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Self = 0; 4158935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor } 4168935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor } 4178935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor 4188935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ~ParseScope() { 4198935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Exit(); 4208935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor } 4218935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor }; 4228935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EnterScope - Start a new scope. 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EnterScope(unsigned ScopeFlags); 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ExitScope - Pop a scope off the scope stack. 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ExitScope(); 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Diagnostic Emission and Error recovery. 43115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl 4323cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID); 4333cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattner DiagnosticBuilder Diag(const Token &Tok, unsigned DiagID); 43415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl 4354b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor void SuggestParentheses(SourceLocation Loc, unsigned DK, 4364b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor SourceRange ParenRange); 4374b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SkipUntil - Read tokens until we get to the specified token, then consume 43982c7e6d8215567935d3d52741ccca9876a8ea461Steve Naroff /// it (unless DontConsume is true). Because we cannot guarantee that the 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// token will ever occur, this skips to the next token, or to some likely 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// good stopping point. If StopAtSemi is true, skipping will stop at a ';' 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// character. 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If SkipUntil finds the specified token, it returns true, otherwise it 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// returns false. 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool SkipUntil(tok::TokenKind T, bool StopAtSemi = true, 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool DontConsume = false) { 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SkipUntil(&T, 1, StopAtSemi, DontConsume); 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool SkipUntil(tok::TokenKind T1, tok::TokenKind T2, bool StopAtSemi = true, 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool DontConsume = false) { 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer tok::TokenKind TokArray[] = {T1, T2}; 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SkipUntil(TokArray, 2, StopAtSemi, DontConsume); 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool SkipUntil(const tok::TokenKind *Toks, unsigned NumToks, 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool StopAtSemi = true, bool DontConsume = false); 4577ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 4594cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // Lexing and parsing of C++ inline methods. 4604cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 4614cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis struct LexedMethod { 462b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner Action::DeclPtrTy D; 46372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor CachedTokens Toks; 464b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner explicit LexedMethod(Action::DeclPtrTy MD) : D(MD) {} 4654cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis }; 4664cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 46772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// LateParsedDefaultArgument - Keeps track of a parameter that may 46872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// have a default argument that cannot be parsed yet because it 46972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// occurs within a member function declaration inside the class 47072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// (C++ [class.mem]p2). 47172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor struct LateParsedDefaultArgument { 472b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner explicit LateParsedDefaultArgument(Action::DeclPtrTy P, 47372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor CachedTokens *Toks = 0) 47472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor : Param(P), Toks(Toks) { } 47572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 47672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// Param - The parameter declaration for this parameter. 477b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner Action::DeclPtrTy Param; 47872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 47972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// Toks - The sequence of tokens that comprises the default 48072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// argument expression, not including the '=' or the terminating 48172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// ')' or ','. This will be NULL for parameters that have no 48272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// default argument. 48372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor CachedTokens *Toks; 48472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor }; 48572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 48672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// LateParsedMethodDeclaration - A method declaration inside a class that 48772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// contains at least one entity whose parsing needs to be delayed 48872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// until the class itself is completely-defined, such as a default 48972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// argument (C++ [class.mem]p2). 49072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor struct LateParsedMethodDeclaration { 491b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner explicit LateParsedMethodDeclaration(Action::DeclPtrTy M) : Method(M) { } 49272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 49372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// Method - The method declaration. 494b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner Action::DeclPtrTy Method; 49572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 49672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// DefaultArgs - Contains the parameters of the function and 49772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// their default arguments. At least one of the parameters will 49872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// have a default argument, but all of the parameters of the 49972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// method will be stored so that they can be reintroduced into 50072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// scope at the appropriate times. 50172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor llvm::SmallVector<LateParsedDefaultArgument, 8> DefaultArgs; 50272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor }; 50372b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 50472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// LateParsedMethodDecls - During parsing of a top (non-nested) C++ 50572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// class, its method declarations that contain parts that won't be 50672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// parsed until after the definiton is completed (C++ [class.mem]p2), 50772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// the method declarations will be stored here with the tokens that 50872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// will be parsed to create those entities. 50972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor typedef std::list<LateParsedMethodDeclaration> LateParsedMethodDecls; 51072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 5114cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis /// LexedMethodsForTopClass - During parsing of a top (non-nested) C++ class, 5124cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis /// its inline method definitions and the inline method definitions of its 5134cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis /// nested classes are lexed and stored here. 51472b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor typedef std::list<LexedMethod> LexedMethodsForTopClass; 51572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 5166569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief Representation of a class that has been parsed, including 5176569d68745c8213709740337d2be52b031384f58Douglas Gregor /// any member function declarations or definitions that need to be 5186569d68745c8213709740337d2be52b031384f58Douglas Gregor /// parsed after the corresponding top-level class is complete. 5196569d68745c8213709740337d2be52b031384f58Douglas Gregor struct ParsingClass { 5206569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass(DeclPtrTy TagOrTemplate, bool TopLevelClass) 5216569d68745c8213709740337d2be52b031384f58Douglas Gregor : TopLevelClass(TopLevelClass), TemplateScope(false), 5226569d68745c8213709740337d2be52b031384f58Douglas Gregor TagOrTemplate(TagOrTemplate) { } 5236569d68745c8213709740337d2be52b031384f58Douglas Gregor 5246569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief Whether this is a "top-level" class, meaning that it is 5256569d68745c8213709740337d2be52b031384f58Douglas Gregor /// not nested within another class. 5266569d68745c8213709740337d2be52b031384f58Douglas Gregor bool TopLevelClass : 1; 5276569d68745c8213709740337d2be52b031384f58Douglas Gregor 5286569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief Whether this class had an associated template 5296569d68745c8213709740337d2be52b031384f58Douglas Gregor /// scope. When true, TagOrTemplate is a template declaration; 5306569d68745c8213709740337d2be52b031384f58Douglas Gregor /// othewise, it is a tag declaration. 5316569d68745c8213709740337d2be52b031384f58Douglas Gregor bool TemplateScope : 1; 5326569d68745c8213709740337d2be52b031384f58Douglas Gregor 5336569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief The class or class template whose definition we are parsing. 5346569d68745c8213709740337d2be52b031384f58Douglas Gregor DeclPtrTy TagOrTemplate; 53572b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 53672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// MethodDecls - Method declarations that contain pieces whose 53772b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// parsing will be delayed until the class is fully defined. 53872b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor LateParsedMethodDecls MethodDecls; 53972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor 54072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// MethodDefs - Methods whose definitions will be parsed once the 54172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor /// class has been fully defined. 54272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor LexedMethodsForTopClass MethodDefs; 5436569d68745c8213709740337d2be52b031384f58Douglas Gregor 5446569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief Nested classes inside this class. 5456569d68745c8213709740337d2be52b031384f58Douglas Gregor llvm::SmallVector<ParsingClass*, 4> NestedClasses; 54672b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor }; 5474cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5486569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief The stack of classes that is currently being 5496569d68745c8213709740337d2be52b031384f58Douglas Gregor /// parsed. Nested and local classes will be pushed onto this stack 5506569d68745c8213709740337d2be52b031384f58Douglas Gregor /// when they are parsed, and removed afterward. 5516569d68745c8213709740337d2be52b031384f58Douglas Gregor std::stack<ParsingClass *> ClassStack; 5524cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5536569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClass &getCurrentClass() { 5546569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!ClassStack.empty() && "No lexed method stacks!"); 5556569d68745c8213709740337d2be52b031384f58Douglas Gregor return *ClassStack.top(); 5564cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis } 5574cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5586569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief RAII object used to 5596569d68745c8213709740337d2be52b031384f58Douglas Gregor class ParsingClassDefinition { 5606569d68745c8213709740337d2be52b031384f58Douglas Gregor Parser &P; 5616569d68745c8213709740337d2be52b031384f58Douglas Gregor bool Popped; 5626569d68745c8213709740337d2be52b031384f58Douglas Gregor 5636569d68745c8213709740337d2be52b031384f58Douglas Gregor public: 5646569d68745c8213709740337d2be52b031384f58Douglas Gregor ParsingClassDefinition(Parser &P, DeclPtrTy TagOrTemplate, bool TopLevelClass) 5656569d68745c8213709740337d2be52b031384f58Douglas Gregor : P(P), Popped(false) { 5666569d68745c8213709740337d2be52b031384f58Douglas Gregor P.PushParsingClass(TagOrTemplate, TopLevelClass); 5676569d68745c8213709740337d2be52b031384f58Douglas Gregor } 5686569d68745c8213709740337d2be52b031384f58Douglas Gregor 5696569d68745c8213709740337d2be52b031384f58Douglas Gregor /// \brief Pop this class of the stack. 5706569d68745c8213709740337d2be52b031384f58Douglas Gregor void Pop() { 5716569d68745c8213709740337d2be52b031384f58Douglas Gregor assert(!Popped && "Nested class has already been popped"); 5726569d68745c8213709740337d2be52b031384f58Douglas Gregor Popped = true; 5736569d68745c8213709740337d2be52b031384f58Douglas Gregor P.PopParsingClass(); 5746569d68745c8213709740337d2be52b031384f58Douglas Gregor } 5756569d68745c8213709740337d2be52b031384f58Douglas Gregor 5766569d68745c8213709740337d2be52b031384f58Douglas Gregor ~ParsingClassDefinition() { 5776569d68745c8213709740337d2be52b031384f58Douglas Gregor if (!Popped) 5786569d68745c8213709740337d2be52b031384f58Douglas Gregor P.PopParsingClass(); 5796569d68745c8213709740337d2be52b031384f58Douglas Gregor } 5806569d68745c8213709740337d2be52b031384f58Douglas Gregor }; 5816569d68745c8213709740337d2be52b031384f58Douglas Gregor 5826569d68745c8213709740337d2be52b031384f58Douglas Gregor void PushParsingClass(DeclPtrTy TagOrTemplate, bool TopLevelClass); 5836569d68745c8213709740337d2be52b031384f58Douglas Gregor void DeallocateParsedClasses(ParsingClass *Class); 5846569d68745c8213709740337d2be52b031384f58Douglas Gregor void PopParsingClass(); 5854cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 586b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseCXXInlineMethodDef(AccessSpecifier AS, Declarator &D); 5876569d68745c8213709740337d2be52b031384f58Douglas Gregor void ParseLexedMethodDeclarations(ParsingClass &Class); 5886569d68745c8213709740337d2be52b031384f58Douglas Gregor void ParseLexedMethodDefs(ParsingClass &Class); 58972b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor bool ConsumeAndStoreUntil(tok::TokenKind T1, tok::TokenKind T2, 59072b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor CachedTokens &Toks, 59172b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor tok::TokenKind EarlyAbortIf = tok::unknown, 59272b505b7904b3c9320a1312998800ba76e4f5841Douglas Gregor bool ConsumeFinalToken = true); 5934cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 5944d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief Contains information about any template-specific 5954d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// information that has been parsed prior to parsing declaration 5964d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// specifiers. 5974d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor struct ParsedTemplateInfo { 5984d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor ParsedTemplateInfo() 5994d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor : Kind(NonTemplate), TemplateParams(0), TemplateLoc() { } 6004d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6014d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor ParsedTemplateInfo(TemplateParameterLists *TemplateParams, 6024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor bool isSpecialization) 6034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor : Kind(isSpecialization? ExplicitSpecialization : Template), 6044d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParams(TemplateParams) { } 6054d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6064d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor explicit ParsedTemplateInfo(SourceLocation TemplateLoc) 6073f5b61c394f4f205bcb4d316eb2a7a0a68b8af86Douglas Gregor : Kind(ExplicitInstantiation), TemplateParams(0), 6084d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateLoc(TemplateLoc) { } 6094d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6104d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief The kind of template we are parsing. 6114d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor enum { 6124d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief We are not parsing a template at all. 6134d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor NonTemplate = 0, 6144d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief We are parsing a template declaration. 6154d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor Template, 6164d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief We are parsing an explicit specialization. 6174d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor ExplicitSpecialization, 6184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief We are parsing an explicit instantiation. 6194d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor ExplicitInstantiation 6204d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor } Kind; 6214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6224d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief The template parameter lists, for template declarations 6234d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// and explicit specializations. 6244d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor TemplateParameterLists *TemplateParams; 6254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// \brief The location of the 'template' keyword, for an explicit 6274d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor /// instantiation. 6284d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SourceLocation TemplateLoc; 6294d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor }; 6304d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 6314cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis //===--------------------------------------------------------------------===// 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.9: External Definitions. 633682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclGroupPtrTy ParseExternalDeclaration(); 6341426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor bool isDeclarationAfterDeclarator(); 6351426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor bool isStartOfFunctionDefinition(); 636682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclGroupPtrTy ParseDeclarationOrFunctionDefinition( 6375aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson AccessSpecifier AS = AS_none); 6385aeccdbb4bdc94e48c04cacc59fa812af32109b2Anders Carlsson 639b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseFunctionDefinition(Declarator &D); 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseKNRParamDeclarations(Declarator &D); 641ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // EndLoc, if non-NULL, is filled with the location of the last token of 642ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // the simple-asm. 643ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OwningExprResult ParseSimpleAsm(SourceLocation *EndLoc = 0); 644effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl OwningExprResult ParseAsmStringLiteral(); 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6463536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Objective-C External Declarations 647b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCAtDirectives(); 648b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCAtClassDeclaration(SourceLocation atLoc); 649b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCAtInterfaceDeclaration(SourceLocation atLoc, 650dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff AttributeList *prefixAttrs = 0); 651b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner void ParseObjCClassInstanceVariables(DeclPtrTy interfaceDecl, 65260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc); 653b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner bool ParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclPtrTy> &P, 654e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner bool WarnOnDeclarations, 655e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SourceLocation &EndProtoLoc); 656b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner void ParseObjCInterfaceDeclList(DeclPtrTy interfaceDecl, 657c81c8144a661a49d7b9dae8d2080dee2e43186ecChris Lattner tok::ObjCKeywordKind contextKey); 658b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCAtProtocolDeclaration(SourceLocation atLoc, 659b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner AttributeList *prefixAttrs = 0); 6603536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 661b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ObjCImpDecl; 6620416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff 663b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCAtImplementationDeclaration(SourceLocation atLoc); 664b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCAtEndDeclaration(SourceLocation atLoc); 665b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCAtAliasDeclaration(SourceLocation atLoc); 666b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCPropertySynthesize(SourceLocation atLoc); 667b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCPropertyDynamic(SourceLocation atLoc); 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6692fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *ParseObjCSelectorPiece(SourceLocation &MethodLocation); 67034870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner // Definitions for Objective-c context sensitive keywords recognition. 67134870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner enum ObjCTypeQual { 67234870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner objc_in=0, objc_out, objc_inout, objc_oneway, objc_bycopy, objc_byref, 67334870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner objc_NumQuals 67434870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner }; 675a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek IdentifierInfo *ObjCTypeQuals[objc_NumQuals]; 6760196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 677335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanian bool isTokIdentifier_in() const; 678d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 679a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek TypeTy *ParseObjCTypeName(ObjCDeclSpec &DS); 680294494e1cce92043562b4680c613df7fd028c02eSteve Naroff void ParseObjCMethodRequirement(); 681b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCMethodPrototype(DeclPtrTy classOrCat, 682c81c8144a661a49d7b9dae8d2080dee2e43186ecChris Lattner tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword); 683b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCMethodDecl(SourceLocation mLoc, tok::TokenKind mType, 684b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy classDecl, 68500933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword); 686a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void ParseObjCPropertyAttribute(ObjCDeclSpec &DS); 687294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 688b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseObjCMethodDefinition(); 689bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.5: Expressions. 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6932f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult ParseExpression(); 6942f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult ParseConstantExpression(); 6952f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl // Expr that doesn't include commas. 6962f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult ParseAssignmentExpression(); 6972f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 698d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult ParseExpressionWithLeadingAt(SourceLocation AtLoc); 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 700adf077f46ba5cddcd801a647a5e9a3eb97060df4Eli Friedman OwningExprResult ParseExpressionWithLeadingExtension(SourceLocation ExtLoc); 701adf077f46ba5cddcd801a647a5e9a3eb97060df4Eli Friedman 702d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult ParseRHSOfBinaryExpression(OwningExprResult LHS, 703d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl unsigned MinPrec); 704ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl OwningExprResult ParseCastExpression(bool isUnaryExpression, 705f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isAddressOfOperand, 706f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool &NotCastExpr); 707f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis OwningExprResult ParseCastExpression(bool isUnaryExpression, 708ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl bool isAddressOfOperand = false); 7092f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult ParsePostfixExpressionSuffix(OwningExprResult LHS); 710d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult ParseSizeofAlignofExpression(); 711d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult ParseBuiltinPrimaryExpression(); 7125ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis 7135ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis OwningExprResult ParseExprAfterTypeofSizeofAlignof(const Token &OpTok, 7145ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis bool &isCastExpr, 7155ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis TypeTy *&CastTy, 7165ab0640efb436a721d408c853b771932d1a6ffceArgyrios Kyrtzidis SourceRange &CastRange); 7170cd5b429fad6833dda23f0aced14a10907ac5539Argyrios Kyrtzidis 718a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl static const unsigned ExprListSize = 12; 719a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl typedef llvm::SmallVector<ExprTy*, ExprListSize> ExprListTy; 720a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl typedef llvm::SmallVector<SourceLocation, ExprListSize> CommaLocsTy; 7210cd5b429fad6833dda23f0aced14a10907ac5539Argyrios Kyrtzidis 7220cd5b429fad6833dda23f0aced14a10907ac5539Argyrios Kyrtzidis /// ParseExpressionList - Used for C/C++ (argument-)expression-list. 7230cd5b429fad6833dda23f0aced14a10907ac5539Argyrios Kyrtzidis bool ParseExpressionList(ExprListTy &Exprs, CommaLocsTy &CommaLocs); 724d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ParenParseOption - Control what ParseParenExpression will parse. 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ParenParseOption { 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SimpleExpr, // Only parse '(' expression ')' 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundStmt, // Also allow '(' compound-statement ')' 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundLiteral, // Also allow '(' type-name ')' '{' ... '}' 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr // Also allow '(' type-name ')' <anything> 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 732d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult ParseParenExpression(ParenParseOption &ExprType, 7330350ca519405051e8d45d12ee7d09569a6a9c4c9Argyrios Kyrtzidis bool stopIfCastExpr, 734d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl TypeTy *&CastTy, 735d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl SourceLocation &RParenLoc); 73615ff1110c96a26c9315142d407c1f29d86a5ad1fChris Lattner 737f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis OwningExprResult ParseCXXAmbiguousParenExpression(ParenParseOption &ExprType, 738f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis TypeTy *&CastTy, 739f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation LParenLoc, 740f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis SourceLocation &RParenLoc); 741f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis 742d974a7b72eb84cdc735b189bcea56fd37e13ebf6Argyrios Kyrtzidis OwningExprResult ParseCompoundLiteralExpression(TypeTy *Ty, 743d974a7b72eb84cdc735b189bcea56fd37e13ebf6Argyrios Kyrtzidis SourceLocation LParenLoc, 744d974a7b72eb84cdc735b189bcea56fd37e13ebf6Argyrios Kyrtzidis SourceLocation RParenLoc); 745d974a7b72eb84cdc735b189bcea56fd37e13ebf6Argyrios Kyrtzidis 74620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult ParseStringLiteralExpression(); 747eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 748eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis //===--------------------------------------------------------------------===// 749eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis // C++ Expressions 750ebc07d57be9e0722b4b9c66625e1fca43dcc2ee0Sebastian Redl OwningExprResult ParseCXXIdExpression(bool isAddressOfOperand = false); 7514bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis 7527a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner /// ParseOptionalCXXScopeSpecifier - Parse global scope or 7537a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner /// nested-name-specifier if present. Returns true if a nested-name-specifier 7547a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner /// was parsed from the token stream. Note that this routine will not parse 7557a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner /// ::new or ::delete, it will just leave them in the token stream. 756a7bc7c880f86bc180684ef032d06df51bcae7a23Chris Lattner /// 7577a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner bool ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS); 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C++ 5.2p1: C++ Casts 76120df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult ParseCXXCasts(); 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 764c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl // C++ 5.2p1: C++ Type Identification 76520df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult ParseCXXTypeid(); 766c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl 767c42e1183846228a7fa5143ad76507d6d60f5c6f3Sebastian Redl //===--------------------------------------------------------------------===// 7684cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis // C++ 9.3.2: C++ 'this' pointer 76920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult ParseCXXThis(); 7704cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis 7714cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis //===--------------------------------------------------------------------===// 77250dd289f45738ed22b7583d52ed2525b927042ffChris Lattner // C++ 15: C++ Throw Expression 77320df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult ParseThrowExpression(); 774ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // EndLoc is filled with the location of the last token of the specification. 7757dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool ParseExceptionSpecification(SourceLocation &EndLoc, 776ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<TypeTy*, 2> &Exceptions, 777ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl llvm::SmallVector<SourceRange, 2> &Ranges, 7787dc813462dd9fd3f6f4296f896a12de14264fef8Sebastian Redl bool &hasAnyExceptionSpec); 77950dd289f45738ed22b7583d52ed2525b927042ffChris Lattner 78050dd289f45738ed22b7583d52ed2525b927042ffChris Lattner //===--------------------------------------------------------------------===// 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C++ 2.13.5: C++ Boolean Literals 78220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult ParseCXXBoolLiteral(); 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 785987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis // C++ 5.2.3: Explicit type conversion (functional notation) 78620df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult ParseCXXTypeConstructExpression(const DeclSpec &DS); 787987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 788987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis /// ParseCXXSimpleTypeSpecifier - [C++ 7.1.5.2] Simple type specifiers. 789987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis /// This should only be called when the current token is known to be part of 790987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis /// simple-type-specifier. 791987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis void ParseCXXSimpleTypeSpecifier(DeclSpec &DS); 792987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis 7932f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor bool ParseCXXTypeSpecifierSeq(DeclSpec &DS); 7942f1bc5285ccd40f411af5f5993f013e27e74ab78Douglas Gregor 795987a14bf5883ef6e5d07f1c83eb6d41a8212a78cArgyrios Kyrtzidis //===--------------------------------------------------------------------===// 7964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl // C++ 5.3.4 and 5.3.5: C++ new and delete 797cee63fbf0e64ac526582312bf8cf33263fc5c16eSebastian Redl bool ParseExpressionListOrTypeId(ExprListTy &Exprs, Declarator &D); 7984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl void ParseDirectNewDeclarator(Declarator &D); 79959232d35f5820e334b6c8b007ae8006f4390055dChris Lattner OwningExprResult ParseCXXNewExpression(bool UseGlobal, SourceLocation Start); 80059232d35f5820e334b6c8b007ae8006f4390055dChris Lattner OwningExprResult ParseCXXDeleteExpression(bool UseGlobal, 80159232d35f5820e334b6c8b007ae8006f4390055dChris Lattner SourceLocation Start); 8024c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl 8034c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl //===--------------------------------------------------------------------===// 80471b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis // C++ if/switch/while/for condition expression. 8052f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult ParseCXXCondition(); 80671b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis 80771b914b999d9c4b6df11068fc5a3291ac4770492Argyrios Kyrtzidis //===--------------------------------------------------------------------===// 80812e083c805c0f86be4f8e54b06e75b2c3dc1da64Douglas Gregor // C++ types 80912e083c805c0f86be4f8e54b06e75b2c3dc1da64Douglas Gregor 81012e083c805c0f86be4f8e54b06e75b2c3dc1da64Douglas Gregor //===--------------------------------------------------------------------===// 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.7.8: Initialization. 8120eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner 8130eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner /// ParseInitializer 8140eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner /// initializer: [C99 6.7.8] 8150eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner /// assignment-expression 8160eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner /// '{' ... 81720df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult ParseInitializer() { 8180eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner if (Tok.isNot(tok::l_brace)) 81920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl return ParseAssignmentExpression(); 8200eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner return ParseBraceInitializer(); 8210eec2b58678f71af6b5fcf4c439290c0d640546bChris Lattner } 82220df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult ParseBraceInitializer(); 8235908a9293b88a3da57ae59b522275d05e1ab11e0Douglas Gregor OwningExprResult ParseInitializerWithPotentialDesignator(); 8241d922960e083906a586609ac6978678147250177Sebastian Redl 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 826296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // clang Expressions 8271d922960e083906a586609ac6978678147250177Sebastian Redl 8281d922960e083906a586609ac6978678147250177Sebastian Redl OwningExprResult ParseBlockLiteralExpression(); // ^{...} 829296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff 830296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff //===--------------------------------------------------------------------===// 8315508518a2702b00be3b15a26d772bde968972f54Anders Carlsson // Objective-C Expressions 83214dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner 83314dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner bool isTokObjCMessageIdentifierReceiver() const { 83414dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (!Tok.is(tok::identifier)) 83514dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner return false; 83614dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner 83747246be8ac5b0ddde6c402b8fc6946b6135487b5Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 838b696ea3a0693798daeafd896d77f0b8f1fec3cc5Douglas Gregor if (Actions.getTypeName(*II, Tok.getLocation(), CurScope)) 83914dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner return true; 84014dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner 84147246be8ac5b0ddde6c402b8fc6946b6135487b5Chris Lattner return II == Ident_super; 84214dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner } 8431d922960e083906a586609ac6978678147250177Sebastian Redl 8441d922960e083906a586609ac6978678147250177Sebastian Redl OwningExprResult ParseObjCAtExpression(SourceLocation AtLocation); 8451d922960e083906a586609ac6978678147250177Sebastian Redl OwningExprResult ParseObjCStringLiteral(SourceLocation AtLoc); 8461d922960e083906a586609ac6978678147250177Sebastian Redl OwningExprResult ParseObjCEncodeExpression(SourceLocation AtLoc); 8471d922960e083906a586609ac6978678147250177Sebastian Redl OwningExprResult ParseObjCSelectorExpression(SourceLocation AtLoc); 8481d922960e083906a586609ac6978678147250177Sebastian Redl OwningExprResult ParseObjCProtocolExpression(SourceLocation AtLoc); 8491d922960e083906a586609ac6978678147250177Sebastian Redl OwningExprResult ParseObjCMessageExpression(); 8501d922960e083906a586609ac6978678147250177Sebastian Redl OwningExprResult ParseObjCMessageExpressionBody(SourceLocation LBracloc, 8511d922960e083906a586609ac6978678147250177Sebastian Redl SourceLocation NameLoc, 8521d922960e083906a586609ac6978678147250177Sebastian Redl IdentifierInfo *ReceiverName, 8531d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr); 8541d922960e083906a586609ac6978678147250177Sebastian Redl OwningExprResult ParseAssignmentExprWithObjCMessageExprStart( 8551d922960e083906a586609ac6978678147250177Sebastian Redl SourceLocation LBracloc, SourceLocation NameLoc, 8561d922960e083906a586609ac6978678147250177Sebastian Redl IdentifierInfo *ReceiverName, ExprArg ReceiverExpr); 85761364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 8585508518a2702b00be3b15a26d772bde968972f54Anders Carlsson //===--------------------------------------------------------------------===// 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.8: Statements and Blocks. 86061364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 86161364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult ParseStatement() { 86261364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl return ParseStatementOrDeclaration(true); 86361364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl } 86461364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult ParseStatementOrDeclaration(bool OnlyStatement = false); 86561364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult ParseLabeledStatement(); 86661364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult ParseCaseStatement(); 86761364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult ParseDefaultStatement(); 86861364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult ParseCompoundStatement(bool isStmtExpr = false); 86961364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult ParseCompoundStatementBody(bool isStmtExpr = false); 870ff871fb8f9c5906a4dee78afd81f60c3837e16cbChris Lattner bool ParseParenExprOrCondition(OwningExprResult &CondExp, 871989135901c750af61ef012b6b0a0368be415bc46Chris Lattner bool OnlyAllowCondition = false, 872989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation *LParenLoc = 0, 873989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation *RParenLoc = 0); 87461364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult ParseIfStatement(); 8759a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult ParseSwitchStatement(); 8769a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult ParseWhileStatement(); 8779a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult ParseDoStatement(); 8789a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult ParseForStatement(); 8799a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult ParseGotoStatement(); 8809a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult ParseContinueStatement(); 8819a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult ParseBreakStatement(); 8829a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult ParseReturnStatement(); 8839a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult ParseAsmStatement(bool &msAsm); 8849a920342707e384473b464528d2fd286e8c70353Sebastian Redl OwningStmtResult FuzzyParseMicrosoftAsmStatement(); 885a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl bool ParseAsmOperandsOpt(llvm::SmallVectorImpl<std::string> &Names, 886a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl llvm::SmallVectorImpl<ExprTy*> &Constraints, 887a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl llvm::SmallVectorImpl<ExprTy*> &Exprs); 888a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl 889a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl //===--------------------------------------------------------------------===// 890a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl // C++ 6: Statements and Blocks 891a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl 892a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl OwningStmtResult ParseCXXTryBlock(); 893d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl OwningStmtResult ParseCXXTryBlockCommon(SourceLocation TryLoc); 894a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl OwningStmtResult ParseCXXCatchBlock(); 895a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl 896a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl //===--------------------------------------------------------------------===// 897a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl // Objective-C Statements 898a0fd8652f3302d0f39ed9849b521ee5b76597b0aSebastian Redl 89943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl OwningStmtResult ParseObjCAtStatement(SourceLocation atLoc); 90043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl OwningStmtResult ParseObjCTryStmt(SourceLocation atLoc); 90143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl OwningStmtResult ParseObjCThrowStmt(SourceLocation atLoc); 90243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl OwningStmtResult ParseObjCSynchronizedStmt(SourceLocation atLoc); 903b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.7: Declarations. 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 90897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclGroupPtrTy ParseDeclaration(unsigned Context, SourceLocation &DeclEnd); 909cd1477562e7cf03279850885583d615e1f631dd4Chris Lattner DeclGroupPtrTy ParseSimpleDeclaration(unsigned Context, 91097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd, 911cd1477562e7cf03279850885583d615e1f631dd4Chris Lattner bool RequireSemi = true); 9121426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor DeclPtrTy ParseDeclarationAfterDeclarator(Declarator &D); 913682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclGroupPtrTy ParseInitDeclaratorListAfterFirstDeclarator(Declarator &D); 914b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseFunctionStatementBody(DeclPtrTy Decl); 915d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl DeclPtrTy ParseFunctionTryBlock(DeclPtrTy Decl); 916d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl 917f4382f50b7ab9f445c3f5b3ddaa59e6da25ea3bbChris Lattner bool ParseImplicitInt(DeclSpec &DS, CXXScopeSpec *SS, 9184d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 919e40c295d017a8f75a945fe9ed2aa9d8bb7a7341aChris Lattner AccessSpecifier AS); 920c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor void ParseDeclarationSpecifiers(DeclSpec &DS, 9214d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo(), 92206c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor AccessSpecifier AS = AS_none); 9237a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner bool ParseOptionalTypeSpecifier(DeclSpec &DS, int &isInvalid, 9247a0ab5f387722c83e19c7133b46b16988eb19e45Chris Lattner const char *&PrevSpec, 9254d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo()); 9264d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseSpecifierQualifierList(DeclSpec &DS); 92819d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian 929a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void ParseObjCTypeQualifierList(ObjCDeclSpec &DS); 9305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9314c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner void ParseEnumSpecifier(SourceLocation TagLoc, DeclSpec &DS, 9324c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner AccessSpecifier AS = AS_none); 933b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner void ParseEnumBody(SourceLocation StartLoc, DeclPtrTy TagDecl); 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseStructUnionBody(SourceLocation StartLoc, unsigned TagType, 935b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy TagDecl); 936e13594279a952537ac903325efff57e3edca79d9Chris Lattner void ParseStructDeclaration(DeclSpec &DS, 937e13594279a952537ac903325efff57e3edca79d9Chris Lattner llvm::SmallVectorImpl<FieldDeclarator> &Fields); 9384e6526b2de501f2bbc261fd8017c92c75bd8d8f7Steve Naroff 939eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis bool isDeclarationSpecifier(); 940eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis bool isTypeSpecifierQualifier(); 9415f8aa696619e32bf307232841fedb704ba733b4dSteve Naroff bool isTypeQualifier() const; 9425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9435404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// isDeclarationStatement - Disambiguates between a declaration or an 9445404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// expression statement, when parsing function bodies. 9455404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// Returns true for declaration, false for expression. 9465404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis bool isDeclarationStatement() { 9475404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis if (getLang().CPlusPlus) 9485404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis return isCXXDeclarationStatement(); 9495404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis return isDeclarationSpecifier(); 9505404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis } 9515404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 952bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis /// isSimpleDeclaration - Disambiguates between a declaration or an 953bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis /// expression, mainly used for the C 'clause-1' or the C++ 954bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis // 'for-init-statement' part of a 'for' statement. 955bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis /// Returns true for declaration, false for expression. 956bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis bool isSimpleDeclaration() { 957bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis if (getLang().CPlusPlus) 958bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis return isCXXSimpleDeclaration(); 959bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis return isDeclarationSpecifier(); 960bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis } 961bbc70c019f7b7f9a256ee29dab5287ecc82c6553Argyrios Kyrtzidis 9628b642592a35167a3780074e78674e0bece87c40cDouglas Gregor /// \brief Specifies the context in which type-id/expression 9638b642592a35167a3780074e78674e0bece87c40cDouglas Gregor /// disambiguation will occur. 9648b642592a35167a3780074e78674e0bece87c40cDouglas Gregor enum TentativeCXXTypeIdContext { 9658b642592a35167a3780074e78674e0bece87c40cDouglas Gregor TypeIdInParens, 9668b642592a35167a3780074e78674e0bece87c40cDouglas Gregor TypeIdAsTemplateArgument 9678b642592a35167a3780074e78674e0bece87c40cDouglas Gregor }; 9688b642592a35167a3780074e78674e0bece87c40cDouglas Gregor 9698b642592a35167a3780074e78674e0bece87c40cDouglas Gregor 97078c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis /// isTypeIdInParens - Assumes that a '(' was parsed and now we want to know 97178c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis /// whether the parens contain an expression or a type-id. 97278c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis /// Returns true for a type-id and false for an expression. 973f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isTypeIdInParens(bool &isAmbiguous) { 97478c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis if (getLang().CPlusPlus) 975f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return isCXXTypeId(TypeIdInParens, isAmbiguous); 976f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis isAmbiguous = false; 97778c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis return isTypeSpecifierQualifier(); 97878c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis } 979f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isTypeIdInParens() { 980f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isAmbiguous; 981f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return isTypeIdInParens(isAmbiguous); 982f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 98378c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis 9845404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// isCXXDeclarationStatement - C++-specialized function that disambiguates 9855404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// between a declaration or an expression statement, when parsing function 9865404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// bodies. Returns true for declaration, false for expression. 9875404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis bool isCXXDeclarationStatement(); 9885404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 9895404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// isCXXSimpleDeclaration - C++-specialized function that disambiguates 9905404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// between a simple-declaration or an expression-statement. 9915404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// If during the disambiguation process a parsing error is encountered, 9925404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// the function returns true to let the declaration parsing code handle it. 9935404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// Returns false if the statement is disambiguated as expression. 9945404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis bool isCXXSimpleDeclaration(); 9955404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 9965404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// isCXXFunctionDeclarator - Disambiguates between a function declarator or 9975404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// a constructor-style initializer, when parsing declaration statements. 9985404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// Returns true for function declarator and false for constructor-style 999e75d849d9141d8e47d05a91b7b5c04194854e47aArgyrios Kyrtzidis /// initializer. If 'warnIfAmbiguous' is true a warning will be emitted to 1000259b0d91f2ff90d8daf39221fe133bf1596c5ffbArgyrios Kyrtzidis /// indicate that the parens were disambiguated as function declarator. 10015404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// If during the disambiguation process a parsing error is encountered, 10025404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// the function returns true to let the declaration parsing code handle it. 1003e75d849d9141d8e47d05a91b7b5c04194854e47aArgyrios Kyrtzidis bool isCXXFunctionDeclarator(bool warnIfAmbiguous); 10045404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 1005a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis /// isCXXConditionDeclaration - Disambiguates between a declaration or an 1006a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis /// expression for a condition of a if/switch/while/for statement. 1007a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis /// If during the disambiguation process a parsing error is encountered, 1008a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis /// the function returns true to let the declaration parsing code handle it. 1009a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis bool isCXXConditionDeclaration(); 1010a8a4598b6f2a07339ab8a1248295a07d771a2b2aArgyrios Kyrtzidis 1011f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isCXXTypeId(TentativeCXXTypeIdContext Context, bool &isAmbiguous); 1012f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isCXXTypeId(TentativeCXXTypeIdContext Context) { 1013f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis bool isAmbiguous; 1014f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis return isCXXTypeId(Context, isAmbiguous); 1015f58f45e6d76792df8c643ce1c6d364dce5db4826Argyrios Kyrtzidis } 101678c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis 1017b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// TPResult - Used as the result value for functions whose purpose is to 1018b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// disambiguate C++ constructs by "tentatively parsing" them. 1019b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// This is a class instead of a simple enum because the implicit enum-to-bool 1020b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// conversions may cause subtle bugs. 1021b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis class TPResult { 1022b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis enum Result { 1023b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPR_true, 1024b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPR_false, 1025b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPR_ambiguous, 1026b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPR_error 1027b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis }; 1028b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis Result Res; 1029b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult(Result result) : Res(result) {} 1030b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis public: 1031b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis static TPResult True() { return TPR_true; } 1032b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis static TPResult False() { return TPR_false; } 1033b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis static TPResult Ambiguous() { return TPR_ambiguous; } 1034b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis static TPResult Error() { return TPR_error; } 1035b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis 1036b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis bool operator==(const TPResult &RHS) const { return Res == RHS.Res; } 1037b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis bool operator!=(const TPResult &RHS) const { return Res != RHS.Res; } 1038b47e38683f288cd4a73098091d629df417377a6bArgyrios Kyrtzidis }; 1039b47e38683f288cd4a73098091d629df417377a6bArgyrios Kyrtzidis 1040b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// isCXXDeclarationSpecifier - Returns TPResult::True() if it is a 1041b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// declaration specifier, TPResult::False() if it is not, 1042b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// TPResult::Ambiguous() if it could be either a decl-specifier or a 1043b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// function-style cast, and TPResult::Error() if a parsing error was 1044b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis /// encountered. 10455404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis /// Doesn't consume tokens. 1046b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult isCXXDeclarationSpecifier(); 10475404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 10485404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis // "Tentative parsing" functions, used for disambiguation. If a parsing error 1049b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis // is encountered they will return TPResult::Error(). 1050b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis // Returning TPResult::True()/False() indicates that the ambiguity was 1051b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis // resolved and tentative parsing may stop. TPResult::Ambiguous() indicates 1052b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis // that more tentative parsing is necessary for disambiguation. 10535404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis // They all consume tokens, so backtracking should be used after calling them. 10545404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 1055b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseDeclarationSpecifier(); 1056b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseSimpleDeclaration(); 1057b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseTypeofSpecifier(); 1058b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseInitDeclaratorList(); 105978c8d80f19cb0bccd4f3d590e71a230e727cfab5Argyrios Kyrtzidis TPResult TryParseDeclarator(bool mayBeAbstract, bool mayHaveIdentifier=true); 1060b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseParameterDeclarationClause(); 1061b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseFunctionDeclarator(); 1062b9f341916e484ff6ba2c2d28c8b2dd5fa12b0015Argyrios Kyrtzidis TPResult TryParseBracketDeclarator(); 10635404a156be26de1c63ca9916187f970848bb4dbbArgyrios Kyrtzidis 1064ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl TypeResult ParseTypeName(SourceRange *Range = 0); 106598eb8a7a702b95183ed015706b1f1c66f5cb27a4Mike Stump void ParseBlockId(); 1066ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // EndLoc, if non-NULL, is filled with the location of the last token of 1067ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // the attribute list. 1068ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl AttributeList *ParseAttributes(SourceLocation *EndLoc = 0); 1069290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman AttributeList *ParseMicrosoftDeclSpec(AttributeList* CurrAttr = 0); 1070290eeb0ec2b6b91f3621e05ef541deb257fbea73Eli Friedman AttributeList *ParseMicrosoftTypeAttributes(AttributeList* CurrAttr = 0); 1071d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff void ParseTypeofSpecifier(DeclSpec &DS); 1072eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1073eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// DeclaratorScopeObj - RAII object used in Parser::ParseDirectDeclarator to 1074eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// enter a new C++ declarator scope and exit it when the function is 1075eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis /// finished. 1076eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis class DeclaratorScopeObj { 1077eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis Parser &P; 1078751810234ffb45327f23c5f9fda0b944e480bd2bArgyrios Kyrtzidis CXXScopeSpec &SS; 1079eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis public: 1080eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis DeclaratorScopeObj(Parser &p, CXXScopeSpec &ss) : P(p), SS(ss) {} 1081eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1082eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis void EnterDeclaratorScope() { 1083eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (SS.isSet()) 1084eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis P.Actions.ActOnCXXEnterDeclaratorScope(P.CurScope, SS); 1085eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 1086eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1087eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis ~DeclaratorScopeObj() { 1088eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (SS.isSet()) 10890a59acb9ae36077ce46fb2807956c5e84f0f6837Douglas Gregor P.Actions.ActOnCXXExitDeclaratorScope(P.CurScope, SS); 1090eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 1091eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis }; 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ParseDeclarator - Parse and verify a newly-initialized declarator. 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseDeclarator(Declarator &D); 10954c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl /// A function that parses a variant of direct-declarator. 10964c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl typedef void (Parser::*DirectDeclParseFunction)(Declarator&); 10974c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl void ParseDeclaratorInternal(Declarator &D, 10984c5d320a7581f4b80b151630c91cea5727fa9923Sebastian Redl DirectDeclParseFunction DirectDeclParser); 109985b5a45803784a5465f69baf6f8d6e1eacaa5af5Chris Lattner void ParseTypeQualifierListOpt(DeclSpec &DS, bool AttributesAllowed = true); 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseDirectDeclarator(Declarator &D); 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseParenDeclarator(Declarator &D); 11027399ee0aa6ffaeab0a8f83408b1c5127fb2bf5b8Chris Lattner void ParseFunctionDeclarator(SourceLocation LParenLoc, Declarator &D, 11037399ee0aa6ffaeab0a8f83408b1c5127fb2bf5b8Chris Lattner AttributeList *AttrList = 0, 11047399ee0aa6ffaeab0a8f83408b1c5127fb2bf5b8Chris Lattner bool RequiresArg = false); 110566d28650752eeac0b02802a1d8cea425cb6b1c0fChris Lattner void ParseFunctionDeclaratorIdentifierList(SourceLocation LParenLoc, 110666d28650752eeac0b02802a1d8cea425cb6b1c0fChris Lattner Declarator &D); 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void ParseBracketDeclarator(Declarator &D); 11088f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 11098f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner //===--------------------------------------------------------------------===// 11108f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner // C++ 7: Declarations [dcl.dcl] 11118f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner 111297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclPtrTy ParseNamespace(unsigned Context, SourceLocation &DeclEnd); 1113b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseLinkage(unsigned Context); 111497144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclPtrTy ParseUsingDirectiveOrDeclaration(unsigned Context, 111597144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd); 111697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclPtrTy ParseUsingDirective(unsigned Context, SourceLocation UsingLoc, 111797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd); 111897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclPtrTy ParseUsingDeclaration(unsigned Context, SourceLocation UsingLoc, 111997144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd); 112097144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner DeclPtrTy ParseStaticAssertDeclaration(SourceLocation &DeclEnd); 112103bd5a1e9a54b62b10ae8aeb6eb5245e2031d98bAnders Carlsson DeclPtrTy ParseNamespaceAlias(SourceLocation NamespaceLoc, 112297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation AliasLoc, IdentifierInfo *Alias, 112397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd); 1124f67606ae2febe3bb0718f05040c6c4bc2c2c3276Anders Carlsson 1125e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor //===--------------------------------------------------------------------===// 1126e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // C++ 9: classes [class] and C structs/unions. 112731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor TypeResult ParseClassName(SourceLocation &EndLocation, 112831a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor const CXXScopeSpec *SS = 0); 11294c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner void ParseClassSpecifier(tok::TokenKind TagTokKind, SourceLocation TagLoc, 11304c97d762d8c5a84f6554e5bfb31d28c90df64158Chris Lattner DeclSpec &DS, 11314d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo = ParsedTemplateInfo(), 113206c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor AccessSpecifier AS = AS_none); 11334cc18a4d5222e04bd568b1e3e4d86127dbbcdf3fArgyrios Kyrtzidis void ParseCXXMemberSpecification(SourceLocation StartLoc, unsigned TagType, 1134b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy TagDecl); 1135682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner void ParseCXXClassMemberDeclaration(AccessSpecifier AS); 1136b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner void ParseConstructorInitializer(DeclPtrTy ConstructorDecl); 1137b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner MemInitResult ParseMemInitializer(DeclPtrTy ConstructorDecl); 1138e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor 1139e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor //===--------------------------------------------------------------------===// 1140e37ac4ff1620ed2d7026f52baccbfa022d79ced1Douglas Gregor // C++ 10: Derived classes [class.derived] 1141b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner void ParseBaseClause(DeclPtrTy ClassDecl); 1142b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner BaseResult ParseBaseSpecifier(DeclPtrTy ClassDecl); 11431b7f89846f10681ce3cbe89ef5d60691d55bd918Douglas Gregor AccessSpecifier getAccessSpecifierIfPresent() const; 11441cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 11451cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor //===--------------------------------------------------------------------===// 11461cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor // C++ 13.5: Overloaded operators [over.oper] 1147ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // EndLoc, if non-NULL, is filled with the location of the last token of 1148ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl // the ID. 1149ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl OverloadedOperatorKind TryParseOperatorFunctionId(SourceLocation *EndLoc = 0); 1150ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl TypeTy *ParseConversionFunctionId(SourceLocation *EndLoc = 0); 1151adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor 1152adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor //===--------------------------------------------------------------------===// 1153adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor // C++ 14: Templates [temp] 1154b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner typedef llvm::SmallVector<DeclPtrTy, 4> TemplateParameterList; 1155c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor 1156adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor // C++ 14.1: Template Parameters [temp.param] 11574d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor DeclPtrTy ParseDeclarationStartingWithTemplate(unsigned Context, 11584d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SourceLocation &DeclEnd, 11594d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AccessSpecifier AS = AS_none); 1160b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseTemplateDeclarationOrSpecialization(unsigned Context, 116197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation &DeclEnd, 11624d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor AccessSpecifier AS); 11631426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor DeclPtrTy ParseSingleDeclarationAfterTemplate( 11641426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor unsigned Context, 11654d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor const ParsedTemplateInfo &TemplateInfo, 11661426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor SourceLocation &DeclEnd, 11671426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor AccessSpecifier AS=AS_none); 1168c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor bool ParseTemplateParameters(unsigned Depth, 1169c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor TemplateParameterList &TemplateParams, 1170c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor SourceLocation &LAngleLoc, 1171c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor SourceLocation &RAngleLoc); 1172c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor bool ParseTemplateParameterList(unsigned Depth, 1173c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor TemplateParameterList &TemplateParams); 1174b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseTemplateParameter(unsigned Depth, unsigned Position); 1175b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseTypeParameter(unsigned Depth, unsigned Position); 1176b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseTemplateTemplateParameter(unsigned Depth, unsigned Position); 1177b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ParseNonTypeTemplateParameter(unsigned Depth, unsigned Position); 1178d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor // C++ 14.3: Template arguments [temp.arg] 11795908e9f25bc9a334c99c095e0b1e6a515445be2dDouglas Gregor typedef llvm::SmallVector<void *, 16> TemplateArgList; 11805908e9f25bc9a334c99c095e0b1e6a515445be2dDouglas Gregor typedef llvm::SmallVector<bool, 16> TemplateArgIsTypeList; 1181c15cb38a4ff717097b32532fbf761c71b1376a02Douglas Gregor typedef llvm::SmallVector<SourceLocation, 16> TemplateArgLocationList; 1182cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 11837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool ParseTemplateIdAfterTemplateName(TemplateTy Template, 1184cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor SourceLocation TemplateNameLoc, 1185cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor const CXXScopeSpec *SS, 1186cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor bool ConsumeLastToken, 1187cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor SourceLocation &LAngleLoc, 1188cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateArgList &TemplateArgs, 1189cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateArgIsTypeList &TemplateArgIsType, 1190cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor TemplateArgLocationList &TemplateArgLocations, 1191cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor SourceLocation &RAngleLoc); 1192cc636688c4fd10b1732ce3e33b2b106024d545caDouglas Gregor 11937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void AnnotateTemplateIdToken(TemplateTy Template, TemplateNameKind TNK, 119439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor const CXXScopeSpec *SS, 119539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor SourceLocation TemplateKWLoc = SourceLocation(), 119639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor bool AllowTypeAnnotation = true); 119731a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor void AnnotateTemplateIdTokenAsType(const CXXScopeSpec *SS = 0); 11985908e9f25bc9a334c99c095e0b1e6a515445be2dDouglas Gregor bool ParseTemplateArgumentList(TemplateArgList &TemplateArgs, 1199c15cb38a4ff717097b32532fbf761c71b1376a02Douglas Gregor TemplateArgIsTypeList &TemplateArgIsType, 1200c15cb38a4ff717097b32532fbf761c71b1376a02Douglas Gregor TemplateArgLocationList &TemplateArgLocations); 12015908e9f25bc9a334c99c095e0b1e6a515445be2dDouglas Gregor void *ParseTemplateArgument(bool &ArgIsType); 12024d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor DeclPtrTy ParseExplicitInstantiation(SourceLocation TemplateLoc, 12034d9a16f36d3b768672d50e6d02000f982ae448d7Douglas Gregor SourceLocation &DeclEnd); 120464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 120564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl //===--------------------------------------------------------------------===// 120664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl // GNU G++: Type Traits [Type-Traits.html in the GCC manual] 120764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl OwningExprResult ParseUnaryTypeTrait(); 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1213