Parser.cpp revision 7adf79a620cb7fbde0608e21727425930676b7db
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Parser.cpp - C Language Family Parser ----------------------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the Parser interfaces. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Parse/Parser.h" 1555fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "ParsePragma.h" 1655fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "RAIIObjectsForParser.h" 1755fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/AST/ASTConsumer.h" 1855fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/AST/DeclTemplate.h" 19500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 2019510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 2119510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/ParsedTemplate.h" 2255fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Sema/Scope.h" 230102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner#include "llvm/Support/raw_ostream.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2668de140b5d1df4c21cbf5ef1be2abcbfbc835cb5Mahesha S 2769b5e952c56f95673064ad1815a240e0fb595865Benjamin Kramernamespace { 28aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko/// \brief A comment handler that passes comments found by the preprocessor 29aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko/// to the parser action. 30aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenkoclass ActionCommentHandler : public CommentHandler { 31aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko Sema &S; 32aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 33aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenkopublic: 34aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko explicit ActionCommentHandler(Sema &S) : S(S) { } 35aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 36aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko virtual bool HandleComment(Preprocessor &PP, SourceRange Comment) { 37aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko S.ActOnComment(Comment); 38aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return false; 39aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko } 40aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko}; 4169b5e952c56f95673064ad1815a240e0fb595865Benjamin Kramer} // end anonymous namespace 42aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 43b57791e5b40afa6691063c83d0e95c416fb19fdeDouglas GregorIdentifierInfo *Parser::getSEHExceptKeyword() { 44b57791e5b40afa6691063c83d0e95c416fb19fdeDouglas Gregor // __except is accepted as a (contextual) keyword 454e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!Ident__except && (getLangOpts().MicrosoftExt || getLangOpts().Borland)) 46b57791e5b40afa6691063c83d0e95c416fb19fdeDouglas Gregor Ident__except = PP.getIdentifierInfo("__except"); 47b57791e5b40afa6691063c83d0e95c416fb19fdeDouglas Gregor 48b57791e5b40afa6691063c83d0e95c416fb19fdeDouglas Gregor return Ident__except; 49b57791e5b40afa6691063c83d0e95c416fb19fdeDouglas Gregor} 50b57791e5b40afa6691063c83d0e95c416fb19fdeDouglas Gregor 5125893e0930c1241c3fdafc6f1b8661443bb19692Argyrios KyrtzidisParser::Parser(Preprocessor &pp, Sema &actions, bool skipFunctionBodies) 52614f96a7cf94805c2d336639300b62dc2f54e9e0Ted Kremenek : PP(pp), Actions(actions), Diags(PP.getDiagnostics()), 530fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor GreaterThanIsOperator(true), ColonIsSacred(false), 546a91d385618ea4d28236c496f540a26877c95525Erik Verbruggen InMessageExpression(false), TemplateParameterDepth(0), 5525893e0930c1241c3fdafc6f1b8661443bb19692Argyrios Kyrtzidis ParsingInObjCContainer(false) { 5625893e0930c1241c3fdafc6f1b8661443bb19692Argyrios Kyrtzidis SkipFunctionBodies = pp.isCodeCompletionEnabled() || skipFunctionBodies; 572b970e9d70768802984f2cf1885e73643c17e0c2Chris Lattner Tok.startToken(); 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Tok.setKind(tok::eof); 5923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CurScope = 0; 609e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner NumCachedScopes = 0; 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenCount = BracketCount = BraceCount = 0; 62849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl = 0; 63fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar 64fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar // Add #pragma handlers. These are removed and destroyed in the 65fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar // destructor. 669595c7e2533c836537dc300e75d059c29feb7094Eli Friedman AlignHandler.reset(new PragmaAlignHandler()); 67cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar PP.AddPragmaHandler(AlignHandler.get()); 68cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar 699595c7e2533c836537dc300e75d059c29feb7094Eli Friedman GCCVisibilityHandler.reset(new PragmaGCCVisibilityHandler()); 70aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman PP.AddPragmaHandler("GCC", GCCVisibilityHandler.get()); 71aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman 729595c7e2533c836537dc300e75d059c29feb7094Eli Friedman OptionsHandler.reset(new PragmaOptionsHandler()); 739b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.AddPragmaHandler(OptionsHandler.get()); 749b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis 759595c7e2533c836537dc300e75d059c29feb7094Eli Friedman PackHandler.reset(new PragmaPackHandler()); 769b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.AddPragmaHandler(PackHandler.get()); 7762c9258f4a71569a66d805fc7776526a2c76b34eFariborz Jahanian 789595c7e2533c836537dc300e75d059c29feb7094Eli Friedman MSStructHandler.reset(new PragmaMSStructHandler()); 7962c9258f4a71569a66d805fc7776526a2c76b34eFariborz Jahanian PP.AddPragmaHandler(MSStructHandler.get()); 809b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis 819595c7e2533c836537dc300e75d059c29feb7094Eli Friedman UnusedHandler.reset(new PragmaUnusedHandler()); 829b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.AddPragmaHandler(UnusedHandler.get()); 839b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis 849595c7e2533c836537dc300e75d059c29feb7094Eli Friedman WeakHandler.reset(new PragmaWeakHandler()); 859b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.AddPragmaHandler(WeakHandler.get()); 86321b8179afaf803dcc56b2a19f7b0891a03c92c8Peter Collingbourne 879595c7e2533c836537dc300e75d059c29feb7094Eli Friedman RedefineExtnameHandler.reset(new PragmaRedefineExtnameHandler()); 885f3c163b7b19a0c7e02509a0984ee1256bca890dDavid Chisnall PP.AddPragmaHandler(RedefineExtnameHandler.get()); 895f3c163b7b19a0c7e02509a0984ee1256bca890dDavid Chisnall 909595c7e2533c836537dc300e75d059c29feb7094Eli Friedman FPContractHandler.reset(new PragmaFPContractHandler()); 91321b8179afaf803dcc56b2a19f7b0891a03c92c8Peter Collingbourne PP.AddPragmaHandler("STDC", FPContractHandler.get()); 92f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne 934e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().OpenCL) { 949595c7e2533c836537dc300e75d059c29feb7094Eli Friedman OpenCLExtensionHandler.reset(new PragmaOpenCLExtensionHandler()); 95f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne PP.AddPragmaHandler("OPENCL", OpenCLExtensionHandler.get()); 96f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne 97f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne PP.AddPragmaHandler("OPENCL", FPContractHandler.get()); 98f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne } 99c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev if (getLangOpts().OpenMP) 100c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev OpenMPHandler.reset(new PragmaOpenMPHandler()); 101c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev else 102c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev OpenMPHandler.reset(new PragmaNoOpenMPHandler()); 103c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev PP.AddPragmaHandler(OpenMPHandler.get()); 104aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 1057adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner if (getLangOpts().MicrosoftExt) { 1067adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner MSCommentHandler.reset(new PragmaCommentHandler()); 1077adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner PP.AddPragmaHandler(MSCommentHandler.get()); 1087adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner } 1097adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner 110056e2c30050a94141150ba561268d90b4d18e378Dmitri Gribenko CommentSemaHandler.reset(new ActionCommentHandler(actions)); 111056e2c30050a94141150ba561268d90b4d18e378Dmitri Gribenko PP.addCommentHandler(CommentSemaHandler.get()); 112aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 113f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor PP.setCodeCompletionHandler(*this); 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1163cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris LattnerDiagnosticBuilder Parser::Diag(SourceLocation Loc, unsigned DiagID) { 11733e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Diags.Report(Loc, DiagID); 1181ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner} 1191ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner 1203cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris LattnerDiagnosticBuilder Parser::Diag(const Token &Tok, unsigned DiagID) { 1211ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(Tok.getLocation(), DiagID); 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1244b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// \brief Emits a diagnostic suggesting parentheses surrounding a 1254b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// given range. 1264b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// 1274b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// \param Loc The location where we'll emit the diagnostic. 12870517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko/// \param DK The kind of diagnostic to emit. 1294b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// \param ParenRange Source range enclosing code that should be parenthesized. 1304b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregorvoid Parser::SuggestParentheses(SourceLocation Loc, unsigned DK, 1314b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor SourceRange ParenRange) { 132b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor SourceLocation EndLoc = PP.getLocForEndOfToken(ParenRange.getEnd()); 133b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor if (!ParenRange.getEnd().isFileID() || EndLoc.isInvalid()) { 1344b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // We can't display the parentheses, so just dig the 1354b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // warning/error and return. 1364b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor Diag(Loc, DK); 1374b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return; 1384b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 1391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Loc, DK) 141849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(ParenRange.getBegin(), "(") 142849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(EndLoc, ")"); 1434b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor} 1444b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 145837b1a37116cf4e64f8bb7db34982dee1fba7647John McCallstatic bool IsCommonTypo(tok::TokenKind ExpectedTok, const Token &Tok) { 146837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall switch (ExpectedTok) { 1474b0824229b96d024a96f3c7dd75ab70652c05c5bRichard Smith case tok::semi: 1484b0824229b96d024a96f3c7dd75ab70652c05c5bRichard Smith return Tok.is(tok::colon) || Tok.is(tok::comma); // : or , for ; 149837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall default: return false; 150837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall } 151837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall} 152837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ExpectAndConsume - The parser expects that 'ExpectedTok' is next in the 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// input. If so, it is consumed and false is returned. 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// If the input is malformed, this emits the specified diagnostic. Next, if 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SkipToTok is specified, it calls SkipUntil(SkipToTok). Finally, true is 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// returned. 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerbool Parser::ExpectAndConsume(tok::TokenKind ExpectedTok, unsigned DiagID, 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *Msg, tok::TokenKind SkipToTok) { 161dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor if (Tok.is(ExpectedTok) || Tok.is(tok::code_completion)) { 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeAnyToken(); 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 165a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 166837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall // Detect common single-character typos and resume. 167837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall if (IsCommonTypo(ExpectedTok, Tok)) { 168837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall SourceLocation Loc = Tok.getLocation(); 169837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall Diag(Loc, DiagID) 170837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall << Msg 171837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall << FixItHint::CreateReplacement(SourceRange(Loc), 172837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall getTokenSimpleSpelling(ExpectedTok)); 173837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall ConsumeAnyToken(); 174837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall 175837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall // Pretend there wasn't a problem. 176837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall return false; 177837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall } 178837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall 1794b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor const char *Spelling = 0; 180b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor SourceLocation EndLoc = PP.getLocForEndOfToken(PrevTokLocation); 1811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (EndLoc.isValid() && 182b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor (Spelling = tok::getTokenSimpleSpelling(ExpectedTok))) { 1834b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // Show what code to insert to fix this problem. 1841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(EndLoc, DiagID) 1854b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor << Msg 186849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(EndLoc, Spelling); 1874b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } else 1884b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor Diag(Tok, DiagID) << Msg; 1894b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (SkipToTok != tok::unknown) 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(SkipToTok); 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return true; 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1959ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregorbool Parser::ExpectAndConsumeSemi(unsigned DiagID) { 1969ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor if (Tok.is(tok::semi) || Tok.is(tok::code_completion)) { 197fb5825dca4e95fee463fdeaddb8b729294fb4d10Douglas Gregor ConsumeToken(); 1989ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor return false; 1999ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor } 2009ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor 2019ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor if ((Tok.is(tok::r_paren) || Tok.is(tok::r_square)) && 2029ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor NextToken().is(tok::semi)) { 2039ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor Diag(Tok, diag::err_extraneous_token_before_semi) 2049ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor << PP.getSpelling(Tok) 2059ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 2069ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ConsumeAnyToken(); // The ')' or ']'. 2079ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ConsumeToken(); // The ';'. 2089ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor return false; 2099ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor } 2109ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor 2119ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor return ExpectAndConsume(tok::semi, DiagID); 2129ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor} 2139ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor 214eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smithvoid Parser::ConsumeExtraSemi(ExtraSemiKind Kind, unsigned TST) { 2154b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu if (!Tok.is(tok::semi)) return; 2164b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu 217eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith bool HadMultipleSemis = false; 2184b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu SourceLocation StartLoc = Tok.getLocation(); 2194b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu SourceLocation EndLoc = Tok.getLocation(); 2204b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu ConsumeToken(); 2214b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu 2224b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu while ((Tok.is(tok::semi) && !Tok.isAtStartOfLine())) { 223eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith HadMultipleSemis = true; 2244b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu EndLoc = Tok.getLocation(); 2254b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu ConsumeToken(); 2264b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu } 2274b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu 228eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith // C++11 allows extra semicolons at namespace scope, but not in any of the 229eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith // other contexts. 230eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith if (Kind == OutsideFunction && getLangOpts().CPlusPlus) { 23180ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith if (getLangOpts().CPlusPlus11) 232eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith Diag(StartLoc, diag::warn_cxx98_compat_top_level_semi) 233eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); 234eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith else 235eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith Diag(StartLoc, diag::ext_extra_semi_cxx11) 236eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); 2374b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu return; 2384b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu } 2394b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu 240eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith if (Kind != AfterMemberFunctionDefinition || HadMultipleSemis) 241eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith Diag(StartLoc, diag::ext_extra_semi) 242eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith << Kind << DeclSpec::getSpecifierName((DeclSpec::TST)TST) 243eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); 244eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith else 245eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith // A single semicolon is valid after a member function definition. 246eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith Diag(StartLoc, diag::warn_extra_semi_after_mem_fn_def) 247eab9d6f9065b042d39fbaf9842c9d8cc968dd6d0Richard Smith << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); 2484b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu} 2494b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Error recovery. 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SkipUntil - Read tokens until we get to the specified token, then consume 255012cf464254804279efa84e21b4b493dde76c5f1Chris Lattner/// it (unless DontConsume is true). Because we cannot guarantee that the 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// token will ever occur, this skips to the next token, or to some likely 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// good stopping point. If StopAtSemi is true, skipping will stop at a ';' 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// character. 259a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// If SkipUntil finds the specified token, it returns true, otherwise it 261a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// returns false. 262eb52f86a62db523e3c993686b3ed92c55d59d53cDavid Blaikiebool Parser::SkipUntil(ArrayRef<tok::TokenKind> Toks, bool StopAtSemi, 263eb52f86a62db523e3c993686b3ed92c55d59d53cDavid Blaikie bool DontConsume, bool StopAtCodeCompletion) { 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // We always want this function to skip at least one token if the first token 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // isn't T and if not at EOF. 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFirstTokenSkipped = true; 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If we found one of the tokens, stop and return true. 269eb52f86a62db523e3c993686b3ed92c55d59d53cDavid Blaikie for (unsigned i = 0, NumToks = Toks.size(); i != NumToks; ++i) { 270000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(Toks[i])) { 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DontConsume) { 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Noop, don't consume the token. 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } else { 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeAnyToken(); 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return true; 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 279a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Tok.getKind()) { 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::eof: 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Ran out of tokens. 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; 284dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 285dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor case tok::code_completion: 2863437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis if (!StopAtCodeCompletion) 2873437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis ConsumeToken(); 288dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor return false; 289dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::l_paren: 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Recursively skip properly-nested parens. 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeParen(); 2933437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis SkipUntil(tok::r_paren, false, false, StopAtCodeCompletion); 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::l_square: 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Recursively skip properly-nested square brackets. 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeBracket(); 2983437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis SkipUntil(tok::r_square, false, false, StopAtCodeCompletion); 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::l_brace: 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Recursively skip properly-nested braces. 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeBrace(); 3033437f1f1294499d4ef306c1089fcb3e29ec2aa68Argyrios Kyrtzidis SkipUntil(tok::r_brace, false, false, StopAtCodeCompletion); 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 305a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Okay, we found a ']' or '}' or ')', which we think should be balanced. 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Since the user wasn't looking for this token (if they were, it would 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // already be handled), this isn't balanced. If there is a LHS token at a 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // higher level, we will assume that this matches the unbalanced token 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // and return it. Otherwise, this is a spurious RHS token, which we skip. 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::r_paren: 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ParenCount && !isFirstTokenSkipped) 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; // Matches something. 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeParen(); 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::r_square: 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (BracketCount && !isFirstTokenSkipped) 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; // Matches something. 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeBracket(); 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::r_brace: 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (BraceCount && !isFirstTokenSkipped) 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; // Matches something. 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeBrace(); 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 326a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::string_literal: 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::wide_string_literal: 3295cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor case tok::utf8_string_literal: 3305cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor case tok::utf16_string_literal: 3315cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor case tok::utf32_string_literal: 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeStringToken(); 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 33455edca9d7d6a50cbda6f036b05a0cb8d42f5a010Fariborz Jahanian 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::semi: 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (StopAtSemi) 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FALL THROUGH. 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Skip this token. 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isFirstTokenSkipped = false; 345a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump } 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Scope manipulation 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// EnterScope - Start a new scope. 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid Parser::EnterScope(unsigned ScopeFlags) { 3549e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner if (NumCachedScopes) { 3559e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner Scope *N = ScopeCache[--NumCachedScopes]; 35623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor N->Init(getCurScope(), ScopeFlags); 35723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CurScope = N; 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } else { 3599c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis Actions.CurScope = new Scope(getCurScope(), ScopeFlags, Diags); 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ExitScope - Pop a scope off the scope stack. 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid Parser::ExitScope() { 36523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope() && "Scope imbalance!"); 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36790ae68aae98f12fe1950c63e2f6bd0fabce6cb1eChris Lattner // Inform the actions module that this scope is going away if there are any 36890ae68aae98f12fe1950c63e2f6bd0fabce6cb1eChris Lattner // decls in it. 36923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!getCurScope()->decl_empty()) 37023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnPopScope(Tok.getLocation(), getCurScope()); 371a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 37223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Scope *OldScope = getCurScope(); 37323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CurScope = OldScope->getParent(); 374a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 3759e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner if (NumCachedScopes == ScopeCacheSize) 3769e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner delete OldScope; 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3789e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner ScopeCache[NumCachedScopes++] = OldScope; 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3817a614d8380297fcd2bc23986241905d97222948cRichard Smith/// Set the flags for the current scope to ScopeFlags. If ManageFlags is false, 3827a614d8380297fcd2bc23986241905d97222948cRichard Smith/// this object does nothing. 3837a614d8380297fcd2bc23986241905d97222948cRichard SmithParser::ParseScopeFlags::ParseScopeFlags(Parser *Self, unsigned ScopeFlags, 3847a614d8380297fcd2bc23986241905d97222948cRichard Smith bool ManageFlags) 3857a614d8380297fcd2bc23986241905d97222948cRichard Smith : CurScope(ManageFlags ? Self->getCurScope() : 0) { 3867a614d8380297fcd2bc23986241905d97222948cRichard Smith if (CurScope) { 3877a614d8380297fcd2bc23986241905d97222948cRichard Smith OldFlags = CurScope->getFlags(); 3887a614d8380297fcd2bc23986241905d97222948cRichard Smith CurScope->setFlags(ScopeFlags); 3897a614d8380297fcd2bc23986241905d97222948cRichard Smith } 3907a614d8380297fcd2bc23986241905d97222948cRichard Smith} 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3927a614d8380297fcd2bc23986241905d97222948cRichard Smith/// Restore the flags for the current scope to what they were before this 3937a614d8380297fcd2bc23986241905d97222948cRichard Smith/// object overrode them. 3947a614d8380297fcd2bc23986241905d97222948cRichard SmithParser::ParseScopeFlags::~ParseScopeFlags() { 3957a614d8380297fcd2bc23986241905d97222948cRichard Smith if (CurScope) 3967a614d8380297fcd2bc23986241905d97222948cRichard Smith CurScope->setFlags(OldFlags); 3977a614d8380297fcd2bc23986241905d97222948cRichard Smith} 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// C99 6.9: External Definitions. 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerParser::~Parser() { 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If we still have scopes active, delete the scope tree. 40623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor delete getCurScope(); 40723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CurScope = 0; 40823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Free the scope cache. 4109e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner for (unsigned i = 0, e = NumCachedScopes; i != e; ++i) 4119e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner delete ScopeCache[i]; 412fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar 4138387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet // Free LateParsedTemplatedFunction nodes. 4148387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet for (LateParsedTemplateMapT::iterator it = LateParsedTemplateMap.begin(); 4158387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet it != LateParsedTemplateMap.end(); ++it) 4168387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet delete it->second; 4178387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet 418fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar // Remove the pragma handlers we installed. 419cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar PP.RemovePragmaHandler(AlignHandler.get()); 420cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar AlignHandler.reset(); 421aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman PP.RemovePragmaHandler("GCC", GCCVisibilityHandler.get()); 422aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman GCCVisibilityHandler.reset(); 4239b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.RemovePragmaHandler(OptionsHandler.get()); 424861800c676004eabed5927f0552620d06c80a40aDaniel Dunbar OptionsHandler.reset(); 4259b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.RemovePragmaHandler(PackHandler.get()); 4264726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek PackHandler.reset(); 42762c9258f4a71569a66d805fc7776526a2c76b34eFariborz Jahanian PP.RemovePragmaHandler(MSStructHandler.get()); 42862c9258f4a71569a66d805fc7776526a2c76b34eFariborz Jahanian MSStructHandler.reset(); 4299b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.RemovePragmaHandler(UnusedHandler.get()); 4304726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek UnusedHandler.reset(); 4319b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.RemovePragmaHandler(WeakHandler.get()); 4329991479ad5dde617168cc1e4b18425cdbbfd9fa9Eli Friedman WeakHandler.reset(); 4335f3c163b7b19a0c7e02509a0984ee1256bca890dDavid Chisnall PP.RemovePragmaHandler(RedefineExtnameHandler.get()); 4345f3c163b7b19a0c7e02509a0984ee1256bca890dDavid Chisnall RedefineExtnameHandler.reset(); 435f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne 4364e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().OpenCL) { 437f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne PP.RemovePragmaHandler("OPENCL", OpenCLExtensionHandler.get()); 438f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne OpenCLExtensionHandler.reset(); 439f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne PP.RemovePragmaHandler("OPENCL", FPContractHandler.get()); 440f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne } 441c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev PP.RemovePragmaHandler(OpenMPHandler.get()); 442c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev OpenMPHandler.reset(); 443f315fa81eef1977b3457fd7a7d4639e060fe7278Peter Collingbourne 4447adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner if (getLangOpts().MicrosoftExt) { 4457adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner PP.RemovePragmaHandler(MSCommentHandler.get()); 4467adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner MSCommentHandler.reset(); 4477adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner } 4487adf79a620cb7fbde0608e21727425930676b7dbReid Kleckner 449321b8179afaf803dcc56b2a19f7b0891a03c92c8Peter Collingbourne PP.RemovePragmaHandler("STDC", FPContractHandler.get()); 450321b8179afaf803dcc56b2a19f7b0891a03c92c8Peter Collingbourne FPContractHandler.reset(); 451aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 452056e2c30050a94141150ba561268d90b4d18e378Dmitri Gribenko PP.removeCommentHandler(CommentSemaHandler.get()); 453aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 454f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor PP.clearCodeCompletionHandler(); 45513bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer 45613bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer assert(TemplateIds.empty() && "Still alive TemplateIdAnnotations around?"); 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Initialize - Warm up the parser. 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid Parser::Initialize() { 46231e057270232c1c37602579cb6461c2704175672Chris Lattner // Create the translation unit scope. Install it as the current scope. 46323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope() == 0 && "A scope is already active?"); 46431e057270232c1c37602579cb6461c2704175672Chris Lattner EnterScope(Scope::DeclScope); 465c1a3e5e73859ece9f106ae9d84c78bef4111956aDouglas Gregor Actions.ActOnTranslationUnitScope(getCurScope()); 466c1a3e5e73859ece9f106ae9d84c78bef4111956aDouglas Gregor 46734870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner // Initialization for Objective-C context sensitive keywords recognition. 468a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek // Referenced in Parser::ParseObjCTypeQualifierList. 4694e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC1) { 470a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_in] = &PP.getIdentifierTable().get("in"); 471a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_out] = &PP.getIdentifierTable().get("out"); 472a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_inout] = &PP.getIdentifierTable().get("inout"); 473a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_oneway] = &PP.getIdentifierTable().get("oneway"); 474a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_bycopy] = &PP.getIdentifierTable().get("bycopy"); 475a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_byref] = &PP.getIdentifierTable().get("byref"); 47634870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner } 477662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar 478e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ident_instancetype = 0; 4797eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_final = 0; 4807eeb4ec11043d4860361348f2b19299d957d47a9Anders Carlsson Ident_override = 0; 4811f3b6fdabbb10779a473d6315154d7325ce20aeaAnders Carlsson 482662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar Ident_super = &PP.getIdentifierTable().get("super"); 48382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson 4844e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().AltiVec) { 48582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Ident_vector = &PP.getIdentifierTable().get("vector"); 48682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Ident_pixel = &PP.getIdentifierTable().get("pixel"); 48782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson } 4880a0d2b179085a52c10402feebeb6db8b4d96a140Douglas Gregor 4890a0d2b179085a52c10402feebeb6db8b4d96a140Douglas Gregor Ident_introduced = 0; 4900a0d2b179085a52c10402feebeb6db8b4d96a140Douglas Gregor Ident_deprecated = 0; 4910a0d2b179085a52c10402feebeb6db8b4d96a140Douglas Gregor Ident_obsoleted = 0; 492b53e417ba487f4193ef3b0485b420e0fdae643a2Douglas Gregor Ident_unavailable = 0; 49328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 494b57791e5b40afa6691063c83d0e95c416fb19fdeDouglas Gregor Ident__except = 0; 495b57791e5b40afa6691063c83d0e95c416fb19fdeDouglas Gregor 49628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident__exception_code = Ident__exception_info = Ident__abnormal_termination = 0; 49728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident___exception_code = Ident___exception_info = Ident___abnormal_termination = 0; 49828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident_GetExceptionCode = Ident_GetExceptionInfo = Ident_AbnormalTermination = 0; 49928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 5004e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if(getLangOpts().Borland) { 50128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident__exception_info = PP.getIdentifierInfo("_exception_info"); 50228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident___exception_info = PP.getIdentifierInfo("__exception_info"); 50328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident_GetExceptionInfo = PP.getIdentifierInfo("GetExceptionInformation"); 50428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident__exception_code = PP.getIdentifierInfo("_exception_code"); 50528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident___exception_code = PP.getIdentifierInfo("__exception_code"); 50628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident_GetExceptionCode = PP.getIdentifierInfo("GetExceptionCode"); 50728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident__abnormal_termination = PP.getIdentifierInfo("_abnormal_termination"); 50828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident___abnormal_termination = PP.getIdentifierInfo("__abnormal_termination"); 50928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Ident_AbnormalTermination = PP.getIdentifierInfo("AbnormalTermination"); 51028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 51128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PP.SetPoisonReason(Ident__exception_code,diag::err_seh___except_block); 51228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PP.SetPoisonReason(Ident___exception_code,diag::err_seh___except_block); 51328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PP.SetPoisonReason(Ident_GetExceptionCode,diag::err_seh___except_block); 51428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PP.SetPoisonReason(Ident__exception_info,diag::err_seh___except_filter); 51528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PP.SetPoisonReason(Ident___exception_info,diag::err_seh___except_filter); 51628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PP.SetPoisonReason(Ident_GetExceptionInfo,diag::err_seh___except_filter); 51728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PP.SetPoisonReason(Ident__abnormal_termination,diag::err_seh___finally_block); 51828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PP.SetPoisonReason(Ident___abnormal_termination,diag::err_seh___finally_block); 51928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PP.SetPoisonReason(Ident_AbnormalTermination,diag::err_seh___finally_block); 52028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 521c7be10245e78bf38694b26f289880edefb9f16e9Douglas Gregor 522c7be10245e78bf38694b26f289880edefb9f16e9Douglas Gregor Actions.Initialize(); 523c7be10245e78bf38694b26f289880edefb9f16e9Douglas Gregor 524c7be10245e78bf38694b26f289880edefb9f16e9Douglas Gregor // Prime the lexer look-ahead. 525c7be10245e78bf38694b26f289880edefb9f16e9Douglas Gregor ConsumeToken(); 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 52813bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramernamespace { 52913bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer /// \brief RAIIObject to destroy the contents of a SmallVector of 53013bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer /// TemplateIdAnnotation pointers and clear the vector. 53113bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer class DestroyTemplateIdAnnotationsRAIIObj { 53213bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer SmallVectorImpl<TemplateIdAnnotation *> &Container; 53313bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer public: 53413bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer DestroyTemplateIdAnnotationsRAIIObj(SmallVectorImpl<TemplateIdAnnotation *> 53513bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer &Container) 53613bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer : Container(Container) {} 53713bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer 53813bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer ~DestroyTemplateIdAnnotationsRAIIObj() { 53913bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer for (SmallVectorImpl<TemplateIdAnnotation *>::iterator I = 54013bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer Container.begin(), E = Container.end(); 54113bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer I != E; ++I) 54213bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer (*I)->Destroy(); 54313bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer Container.clear(); 54413bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer } 54513bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer }; 54613bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer} 54713bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseTopLevelDecl - Parse one top-level declaration, return whatever the 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// action tells us to. This returns true if the EOF was encountered. 550682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattnerbool Parser::ParseTopLevelDecl(DeclGroupPtrTy &Result) { 55113bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds); 552b918d0f5d8f147e1e26c34e6cf42a79af2d2ec41Argyrios Kyrtzidis 553e55329d6834647ba0e06f8a319e5d84c77310035Axel Naumann // Skip over the EOF token, flagging end of previous input for incremental 554e55329d6834647ba0e06f8a319e5d84c77310035Axel Naumann // processing 555e55329d6834647ba0e06f8a319e5d84c77310035Axel Naumann if (PP.isIncrementalProcessingEnabled() && Tok.is(tok::eof)) 556e55329d6834647ba0e06f8a319e5d84c77310035Axel Naumann ConsumeToken(); 557e55329d6834647ba0e06f8a319e5d84c77310035Axel Naumann 558b918d0f5d8f147e1e26c34e6cf42a79af2d2ec41Argyrios Kyrtzidis while (Tok.is(tok::annot_pragma_unused)) 559b918d0f5d8f147e1e26c34e6cf42a79af2d2ec41Argyrios Kyrtzidis HandlePragmaUnused(); 560b918d0f5d8f147e1e26c34e6cf42a79af2d2ec41Argyrios Kyrtzidis 561682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner Result = DeclGroupPtrTy(); 5629299f3fa85796613cc787a2062c9562d07c8613eChris Lattner if (Tok.is(tok::eof)) { 5638387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet // Late template parsing can begin. 5644e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().DelayedTemplateParsing) 5658387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet Actions.SetLateTemplateParser(LateTemplateParserCallback, this); 566e55329d6834647ba0e06f8a319e5d84c77310035Axel Naumann if (!PP.isIncrementalProcessingEnabled()) 567e55329d6834647ba0e06f8a319e5d84c77310035Axel Naumann Actions.ActOnEndOfTranslationUnit(); 568e55329d6834647ba0e06f8a319e5d84c77310035Axel Naumann //else don't tell Sema that we ended parsing: more input might come. 5698387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet 5709299f3fa85796613cc787a2062c9562d07c8613eChris Lattner return true; 5719299f3fa85796613cc787a2062c9562d07c8613eChris Lattner } 572a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 5730b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributesWithRange attrs(AttrFactory); 5744e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith MaybeParseCXX11Attributes(attrs); 5757f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseMicrosoftAttributes(attrs); 576e55329d6834647ba0e06f8a319e5d84c77310035Axel Naumann 5777f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall Result = ParseExternalDeclaration(attrs); 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseExternalDeclaration: 58290b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner/// 583c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor/// external-declaration: [C99 6.9], declaration: [C++ dcl.dcl] 584c3018153a11afe91849748a93d920040a571b76cChris Lattner/// function-definition 585c3018153a11afe91849748a93d920040a571b76cChris Lattner/// declaration 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [GNU] asm-definition 587c3018153a11afe91849748a93d920040a571b76cChris Lattner/// [GNU] __extension__ external-declaration 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-declaration 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-alias-declaration 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-protocol-definition 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-method-definition 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] @end 594c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor/// [C++] linkage-specification 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [GNU] asm-definition: 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// simple-asm-expr ';' 5976b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith/// [C++11] empty-declaration 5986b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith/// [C++11] attribute-declaration 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6006b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith/// [C++11] empty-declaration: 601a1d71aea847a50b3acbd187d2ae9e5c1ead0f4e2Douglas Gregor/// ';' 602a1d71aea847a50b3acbd187d2ae9e5c1ead0f4e2Douglas Gregor/// 60345f965581935791a018df829a14dff53c1dd8f47Douglas Gregor/// [C++0x/GNU] 'extern' 'template' declaration 6047f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallParser::DeclGroupPtrTy 6057f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallParser::ParseExternalDeclaration(ParsedAttributesWithRange &attrs, 6067f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsingDeclSpec *DS) { 60713bb701f2f876356400a34b0917a417c66b5d70dBenjamin Kramer DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds); 60836d36806f1972f7ec1d2a3f59155187278c56508Argyrios Kyrtzidis ParenBraceBracketBalancer BalancerRAIIObj(*this); 6097d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis 6107d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis if (PP.isCodeCompletionReached()) { 6117d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 6127d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return DeclGroupPtrTy(); 6137d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis } 6147d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis 615d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *SingleDecl = 0; 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Tok.getKind()) { 617426fc94ed3bce15b55c43692537e3833388f0352Rafael Espindola case tok::annot_pragma_vis: 618426fc94ed3bce15b55c43692537e3833388f0352Rafael Espindola HandlePragmaVisibility(); 619426fc94ed3bce15b55c43692537e3833388f0352Rafael Espindola return DeclGroupPtrTy(); 620aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman case tok::annot_pragma_pack: 621aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman HandlePragmaPack(); 622aa5ab26ed93382b812147f532dcbf4afb5494040Eli Friedman return DeclGroupPtrTy(); 6239595c7e2533c836537dc300e75d059c29feb7094Eli Friedman case tok::annot_pragma_msstruct: 6249595c7e2533c836537dc300e75d059c29feb7094Eli Friedman HandlePragmaMSStruct(); 6259595c7e2533c836537dc300e75d059c29feb7094Eli Friedman return DeclGroupPtrTy(); 6269595c7e2533c836537dc300e75d059c29feb7094Eli Friedman case tok::annot_pragma_align: 6279595c7e2533c836537dc300e75d059c29feb7094Eli Friedman HandlePragmaAlign(); 6289595c7e2533c836537dc300e75d059c29feb7094Eli Friedman return DeclGroupPtrTy(); 6299595c7e2533c836537dc300e75d059c29feb7094Eli Friedman case tok::annot_pragma_weak: 6309595c7e2533c836537dc300e75d059c29feb7094Eli Friedman HandlePragmaWeak(); 6319595c7e2533c836537dc300e75d059c29feb7094Eli Friedman return DeclGroupPtrTy(); 6329595c7e2533c836537dc300e75d059c29feb7094Eli Friedman case tok::annot_pragma_weakalias: 6339595c7e2533c836537dc300e75d059c29feb7094Eli Friedman HandlePragmaWeakAlias(); 6349595c7e2533c836537dc300e75d059c29feb7094Eli Friedman return DeclGroupPtrTy(); 6359595c7e2533c836537dc300e75d059c29feb7094Eli Friedman case tok::annot_pragma_redefine_extname: 6369595c7e2533c836537dc300e75d059c29feb7094Eli Friedman HandlePragmaRedefineExtname(); 6379595c7e2533c836537dc300e75d059c29feb7094Eli Friedman return DeclGroupPtrTy(); 6389595c7e2533c836537dc300e75d059c29feb7094Eli Friedman case tok::annot_pragma_fp_contract: 6399595c7e2533c836537dc300e75d059c29feb7094Eli Friedman HandlePragmaFPContract(); 6409595c7e2533c836537dc300e75d059c29feb7094Eli Friedman return DeclGroupPtrTy(); 6419595c7e2533c836537dc300e75d059c29feb7094Eli Friedman case tok::annot_pragma_opencl_extension: 6429595c7e2533c836537dc300e75d059c29feb7094Eli Friedman HandlePragmaOpenCLExtension(); 6439595c7e2533c836537dc300e75d059c29feb7094Eli Friedman return DeclGroupPtrTy(); 644c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev case tok::annot_pragma_openmp: 645c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev ParseOpenMPDeclarativeDirective(); 646c640058aa7f224a71ce3b1d2601d84e1b57f82d3Alexey Bataev return DeclGroupPtrTy(); 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::semi: 6486b3d3e54c003b03f16e235ad2ff49e95587bbf92Richard Smith // Either a C++11 empty-declaration or attribute-declaration. 649684aa73192d92850a926870be62a1787eb5b7ed9Michael Han SingleDecl = Actions.ActOnEmptyDeclaration(getCurScope(), 650684aa73192d92850a926870be62a1787eb5b7ed9Michael Han attrs.getList(), 651684aa73192d92850a926870be62a1787eb5b7ed9Michael Han Tok.getLocation()); 6524b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu ConsumeExtraSemi(OutsideFunction); 653684aa73192d92850a926870be62a1787eb5b7ed9Michael Han break; 65490b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner case tok::r_brace: 655883692ebd421c40b44e2c2665e5f54dade5621bcNico Weber Diag(Tok, diag::err_extraneous_closing_brace); 65690b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner ConsumeBrace(); 657682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 65890b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner case tok::eof: 65990b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner Diag(Tok, diag::err_expected_external_declaration); 660682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 661c3018153a11afe91849748a93d920040a571b76cChris Lattner case tok::kw___extension__: { 662c46d1a1f8af67a87689d7db9eaf96027282ccaeaChris Lattner // __extension__ silences extension warnings in the subexpression. 663c46d1a1f8af67a87689d7db9eaf96027282ccaeaChris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 66439146d6497ad5e7ca8ef639221e7b3e15d07c888Chris Lattner ConsumeToken(); 6657f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseExternalDeclaration(attrs); 666c3018153a11afe91849748a93d920040a571b76cChris Lattner } 667dfab6cb59a703f2ce4d58371652ce879f4c85a09Anders Carlsson case tok::kw_asm: { 6687f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ProhibitAttributes(attrs); 669bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 67021e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara SourceLocation StartLoc = Tok.getLocation(); 67121e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara SourceLocation EndLoc; 67221e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara ExprResult Result(ParseSimpleAsm(&EndLoc)); 673a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 6743f9424f3206b834b5dd0e7c403348651ab6fafbbAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 6753f9424f3206b834b5dd0e7c403348651ab6fafbbAnders Carlsson "top-level asm block"); 676dfab6cb59a703f2ce4d58371652ce879f4c85a09Anders Carlsson 677682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Result.isInvalid()) 678682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 67921e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara SingleDecl = Actions.ActOnFileScopeAsmDecl(Result.get(), StartLoc, EndLoc); 680682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner break; 681dfab6cb59a703f2ce4d58371652ce879f4c85a09Anders Carlsson } 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::at: 68395ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return ParseObjCAtDirectives(); 6845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::minus: 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::plus: 6864e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().ObjC1) { 687682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner Diag(Tok, diag::err_expected_external_declaration); 688682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner ConsumeToken(); 689682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 690682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 691682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner SingleDecl = ParseObjCMethodDefinition(); 692682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner break; 693791215b7a24666912c0b71175d2ca5ba082f666eDouglas Gregor case tok::code_completion: 69423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 695849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl? Sema::PCC_ObjCImplementation 696f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_Namespace); 6977d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 6987d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return DeclGroupPtrTy(); 699f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor case tok::kw_using: 7008f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner case tok::kw_namespace: 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_typedef: 702adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor case tok::kw_template: 703adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor case tok::kw_export: // As in 'export template' 704511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson case tok::kw_static_assert: 705c6eb44b321c543c5bcf28727228a0cceced57e2ePeter Collingbourne case tok::kw__Static_assert: 70626d6023cb0d343bf8fc8836f97d39709bbd4afa0Chad Rosier // A function definition cannot start with any of these keywords. 70797144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner { 70897144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 7094e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer StmtVector Stmts; 7107f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseDeclaration(Stmts, Declarator::FileContext, DeclEnd, attrs); 71197144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner } 712d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl 7137306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor case tok::kw_static: 7147306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // Parse (then ignore) 'static' prior to a template instantiation. This is 7157306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // a GCC extension that we intentionally do not support. 7164e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus && NextToken().is(tok::kw_template)) { 7177306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor Diag(ConsumeToken(), diag::warn_static_inline_explicit_inst_ignored) 7187306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor << 0; 719d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation DeclEnd; 7204e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer StmtVector Stmts; 7217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseDeclaration(Stmts, Declarator::FileContext, DeclEnd, attrs); 7227306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor } 7237306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor goto dont_know; 7247306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor 7257306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor case tok::kw_inline: 7264e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) { 7277306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor tok::TokenKind NextKind = NextToken().getKind(); 7287306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor 7297306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // Inline namespaces. Allowed as an extension even in C++03. 7307306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor if (NextKind == tok::kw_namespace) { 7317306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor SourceLocation DeclEnd; 7324e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer StmtVector Stmts; 7337f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseDeclaration(Stmts, Declarator::FileContext, DeclEnd, attrs); 7347306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor } 7357306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor 7367306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // Parse (then ignore) 'inline' prior to a template instantiation. This is 7377306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // a GCC extension that we intentionally do not support. 7387306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor if (NextKind == tok::kw_template) { 7397306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor Diag(ConsumeToken(), diag::warn_static_inline_explicit_inst_ignored) 7407306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor << 1; 7417306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor SourceLocation DeclEnd; 7424e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer StmtVector Stmts; 7437f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseDeclaration(Stmts, Declarator::FileContext, DeclEnd, attrs); 7447306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor } 745d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl } 746d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl goto dont_know; 747d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl 74845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor case tok::kw_extern: 7494e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus && NextToken().is(tok::kw_template)) { 75045f965581935791a018df829a14dff53c1dd8f47Douglas Gregor // Extern templates 75145f965581935791a018df829a14dff53c1dd8f47Douglas Gregor SourceLocation ExternLoc = ConsumeToken(); 75245f965581935791a018df829a14dff53c1dd8f47Douglas Gregor SourceLocation TemplateLoc = ConsumeToken(); 75380ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith Diag(ExternLoc, getLangOpts().CPlusPlus11 ? 7549324583ad2afd09db8c9967cd05c4fa44bac9555Richard Smith diag::warn_cxx98_compat_extern_template : 7559324583ad2afd09db8c9967cd05c4fa44bac9555Richard Smith diag::ext_extern_template) << SourceRange(ExternLoc, TemplateLoc); 75645f965581935791a018df829a14dff53c1dd8f47Douglas Gregor SourceLocation DeclEnd; 75745f965581935791a018df829a14dff53c1dd8f47Douglas Gregor return Actions.ConvertDeclToDeclGroup( 7589241057266d3460392cbb7fec6ec942d3330ece3Argyrios Kyrtzidis ParseExplicitInstantiation(Declarator::FileContext, 7599241057266d3460392cbb7fec6ec942d3330ece3Argyrios Kyrtzidis ExternLoc, TemplateLoc, DeclEnd)); 76045f965581935791a018df829a14dff53c1dd8f47Douglas Gregor } 76145f965581935791a018df829a14dff53c1dd8f47Douglas Gregor // FIXME: Detect C++ linkage specifications here? 762d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl goto dont_know; 7631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 764f986038beed360c031de8654cfba43a5d3184605Francois Pichet case tok::kw___if_exists: 765f986038beed360c031de8654cfba43a5d3184605Francois Pichet case tok::kw___if_not_exists: 766563a645de82231a55e221fe655b7188bf8369662Francois Pichet ParseMicrosoftIfExistsExternalDeclaration(); 767f986038beed360c031de8654cfba43a5d3184605Francois Pichet return DeclGroupPtrTy(); 7686aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: 770d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl dont_know: 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // We can't tell whether this is a function-definition or declaration yet. 77220af49a7c5bdb6cca5f4d6586106ef1ce8579311Rafael Espindola return ParseDeclarationOrFunctionDefinition(attrs, DS); 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 775682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // This routine returns a DeclGroup, if the thing we parsed only contains a 776682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // single decl, convert it now. 777682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return Actions.ConvertDeclToDeclGroup(SingleDecl); 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7801426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor/// \brief Determine whether the current token, if it occurs after a 7811426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor/// declarator, continues a declaration or declaration list. 782e4246a633b13197634225971b25df0cbdcec0c5dSean Huntbool Parser::isDeclarationAfterDeclarator() { 783e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt // Check for '= delete' or '= default' 7844e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus && Tok.is(tok::equal)) { 785e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt const Token &KW = NextToken(); 786e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt if (KW.is(tok::kw_default) || KW.is(tok::kw_delete)) 787e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt return false; 788e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 7896c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian 7901426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor return Tok.is(tok::equal) || // int X()= -> not a function def 7911426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor Tok.is(tok::comma) || // int X(), -> not a function def 7921426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor Tok.is(tok::semi) || // int X(); -> not a function def 7931426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor Tok.is(tok::kw_asm) || // int X() __asm__ -> not a function def 7941426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor Tok.is(tok::kw___attribute) || // int X() __attr__ -> not a function def 7954e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie (getLangOpts().CPlusPlus && 79639700f81c5b42e6be93be10275602915f872fc86Fariborz Jahanian Tok.is(tok::l_paren)); // int X(0) -> not a function def [C++] 7971426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor} 7981426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor 7991426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor/// \brief Determine whether the current token, if it occurs after a 8001426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor/// declarator, indicates the start of a function definition. 801004659a56916f2f81ede507c12516c146d6c0df3Chris Lattnerbool Parser::isStartOfFunctionDefinition(const ParsingDeclarator &Declarator) { 802075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(Declarator.isFunctionDeclarator() && "Isn't a function declarator"); 8035d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner if (Tok.is(tok::l_brace)) // int X() {} 8045d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner return true; 8055d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner 806004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner // Handle K&R C argument lists: int X(f) int f; {} 8074e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().CPlusPlus && 808075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Declarator.getFunctionTypeInfo().isKNRPrototype()) 809004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner return isDeclarationSpecifier(); 810e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt 8114e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus && Tok.is(tok::equal)) { 812e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt const Token &KW = NextToken(); 813e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt return KW.is(tok::kw_default) || KW.is(tok::kw_delete); 814e4246a633b13197634225971b25df0cbdcec0c5dSean Hunt } 815004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner 8165d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner return Tok.is(tok::colon) || // X() : Base() {} (used for ctors) 8175d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner Tok.is(tok::kw_try); // X() try { ... } 8181426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor} 8191426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseDeclarationOrFunctionDefinition - Parse either a function-definition or 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// a declaration. We can't tell which we have until we read up to the 822c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor/// compound-statement in function-definition. TemplateParams, if 823c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor/// non-NULL, provides the template parameters when we're parsing a 8241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C++ template-declaration. 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// function-definition: [C99 6.9.1] 827a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// decl-specs declarator declaration-list[opt] compound-statement 828a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// [C90] function-definition: [C99 6.7.1] - implicit int result 829a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// [C90] decl-specs[opt] declarator declaration-list[opt] compound-statement 830a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// declaration: [C99 6.7] 832697e15f2a028f8997cccb24ecd05099988cfb1a9Chris Lattner/// declaration-specifiers init-declarator-list[opt] ';' 833697e15f2a028f8997cccb24ecd05099988cfb1a9Chris Lattner/// [!C99] init-declarator-list ';' [TODO: warn in c99 mode] 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OMP] threadprivate-directive [TODO] 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 836682bf92db408a6cbc3d37b5496a99b6ef85041ecChris LattnerParser::DeclGroupPtrTy 8372edf0a2520313cde900799b1eb9bd11c9c776afeSean HuntParser::ParseDeclOrFunctionDefInternal(ParsedAttributesWithRange &attrs, 8382edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ParsingDeclSpec &DS, 8392edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt AccessSpecifier AS) { 8405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parse the common declaration-specifiers piece. 8410efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ParseDeclarationSpecifiers(DS, ParsedTemplateInfo(), AS, DSC_top_level); 842a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.7.2.3p6: Handle "struct-or-union identifier;", "enum { X };" 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // declaration-specifiers init-declarator-list[opt] ';' 845000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(tok::semi)) { 8462edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ProhibitAttributes(attrs); 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 848d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS); 84954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DS.complete(TheDecl); 850682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return Actions.ConvertDeclToDeclGroup(TheDecl); 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 852a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8532edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt DS.takeAttributesFrom(attrs); 8542edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt 855246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar // ObjC2 allows prefix attributes on class interfaces and protocols. 856246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar // FIXME: This still needs better diagnostics. We should only accept 857246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar // attributes here, no types, etc. 8584e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC2 && Tok.is(tok::at)) { 859dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation AtLoc = ConsumeToken(); // the "@" 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!Tok.isObjCAtKeyword(tok::objc_interface) && 861246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar !Tok.isObjCAtKeyword(tok::objc_protocol)) { 862246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar Diag(Tok, diag::err_objc_unexpected_attr); 863cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner SkipUntil(tok::semi); // FIXME: better skip? 864682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 865cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner } 866d8ac05753dc4506224d445ff98399c01da3136e5John McCall 86754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DS.abort(); 86854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 8690de2ae28c603322f05e2d9200c7d457c8b928983Fariborz Jahanian const char *PrevSpec = 0; 870fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 871fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (DS.SetTypeSpecType(DeclSpec::TST_unspecified, AtLoc, PrevSpec, DiagID)) 872fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(AtLoc, DiagID) << PrevSpec; 8731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 874246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar if (Tok.isObjCAtKeyword(tok::objc_protocol)) 875bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return ParseObjCAtProtocolDeclaration(AtLoc, DS.getAttributes()); 876bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor 877bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return Actions.ConvertDeclToDeclGroup( 878bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor ParseObjCAtInterfaceDeclaration(AtLoc, DS.getAttributes())); 879dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 880a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 881c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // If the declspec consisted only of 'extern' and we have a string 882c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // literal following it, this must be a C++ linkage specifier like 883c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // 'extern "C"'. 8844e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (Tok.is(tok::string_literal) && getLangOpts().CPlusPlus && 885c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner DS.getStorageClassSpec() == DeclSpec::SCS_extern && 886682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DS.getParsedSpecifiers() == DeclSpec::PQ_StorageClassSpecifier) { 887d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = ParseLinkage(DS, Declarator::FileContext); 888682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return Actions.ConvertDeclToDeclGroup(TheDecl); 889682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 890c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 891d8ac05753dc4506224d445ff98399c01da3136e5John McCall return ParseDeclGroup(DS, Declarator::FileContext, true); 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8943acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz JahanianParser::DeclGroupPtrTy 8952edf0a2520313cde900799b1eb9bd11c9c776afeSean HuntParser::ParseDeclarationOrFunctionDefinition(ParsedAttributesWithRange &attrs, 8962edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ParsingDeclSpec *DS, 8973acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian AccessSpecifier AS) { 8982edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt if (DS) { 8992edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt return ParseDeclOrFunctionDefInternal(attrs, *DS, AS); 9002edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt } else { 9012edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ParsingDeclSpec PDS(*this); 9022edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt // Must temporarily exit the objective-c container scope for 9032edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt // parsing c constructs and re-enter objc container scope 9042edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt // afterwards. 9052edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ObjCDeclContextSwitch ObjCDC(*this); 9062edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt 9072edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt return ParseDeclOrFunctionDefInternal(attrs, PDS, AS); 9082edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt } 9093acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian} 9103acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseFunctionDefinition - We parsed and verified that the specified 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Declarator is well formed. If this is a K&R-style function, read the 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// parameters declaration-list, then start the compound-statement. 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 915a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// function-definition: [C99 6.9.1] 916a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// decl-specs declarator declaration-list[opt] compound-statement 917a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// [C90] function-definition: [C99 6.7.1] - implicit int result 918a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// [C90] decl-specs[opt] declarator declaration-list[opt] compound-statement 9197ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] function-definition: [C++ 8.4] 92023c4b1883b13dc17484b7214091b73f3ba29096eChris Lattner/// decl-specifier-seq[opt] declarator ctor-initializer[opt] 92123c4b1883b13dc17484b7214091b73f3ba29096eChris Lattner/// function-body 9227ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] function-definition: [C++ 8.4] 923d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl/// decl-specifier-seq[opt] declarator function-try-block 9245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 925d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseFunctionDefinition(ParsingDeclarator &D, 926c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins const ParsedTemplateInfo &TemplateInfo, 927c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins LateParsedAttrList *LateParsedAttrs) { 92828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley // Poison the SEH identifiers so they are flagged as illegal in function bodies 92928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley PoisonSEHIdentifiersRAIIObject PoisonSEHIdentifiers(*this, true); 930075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara const DeclaratorChunk::FunctionTypeInfo &FTI = D.getFunctionTypeInfo(); 931a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 932a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner // If this is C90 and the declspecs were completely missing, fudge in an 933a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner // implicit int. We do this here because this is the only place where 934a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner // declaration-specifiers are completely optional in the grammar. 9354e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ImplicitInt && D.getDeclSpec().isEmpty()) { 936a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner const char *PrevSpec; 937fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 93831c286803c60c59d314525e047d0e72f9a1cb55bChris Lattner D.getMutableDeclSpec().SetTypeSpecType(DeclSpec::TST_int, 93931c286803c60c59d314525e047d0e72f9a1cb55bChris Lattner D.getIdentifierLoc(), 940fec54013fcd0eb72642741584ca04c1bc292bef8John McCall PrevSpec, DiagID); 941ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetRangeBegin(D.getDeclSpec().getSourceRange().getBegin()); 942a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner } 943a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 9445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this declaration was formed with a K&R-style identifier list for the 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // arguments, parse declarations for all of the args next. 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // int foo(a,b) int a; float b; {} 947004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner if (FTI.isKNRPrototype()) 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParseKNRParamDeclarations(D); 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9507ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // We should have either an opening brace or, in a C++ constructor, 9517ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // we may have a colon. 952758afbcc86ef15f8d433f5f87db1495e50effeb3Douglas Gregor if (Tok.isNot(tok::l_brace) && 9534e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie (!getLangOpts().CPlusPlus || 954cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt (Tok.isNot(tok::colon) && Tok.isNot(tok::kw_try) && 955cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt Tok.isNot(tok::equal)))) { 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_fn_body); 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Skip over garbage, until we get to '{'. Don't eat the '{'. 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::l_brace, true, true); 960a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If we didn't find the '{', bail out. 962000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.isNot(tok::l_brace)) 963d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 965a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 966c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins // Check to make sure that any normal attributes are allowed to be on 967c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins // a definition. Late parsed attributes are checked at the end. 968c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins if (Tok.isNot(tok::equal)) { 969c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins AttributeList *DtorAttrs = D.getAttributes(); 970c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins while (DtorAttrs) { 971cd8ab51a44e80625d84126780b0d85a7732e25afRichard Smith if (!IsThreadSafetyAttribute(DtorAttrs->getName()->getName()) && 972cd8ab51a44e80625d84126780b0d85a7732e25afRichard Smith !DtorAttrs->isCXX11Attribute()) { 973c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins Diag(DtorAttrs->getLoc(), diag::warn_attribute_on_function_definition) 974c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins << DtorAttrs->getName()->getName(); 975c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins } 976c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins DtorAttrs = DtorAttrs->getNext(); 977c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins } 978c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins } 979c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins 9808387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet // In delayed template parsing mode, for function template we consume the 9818387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet // tokens and store them for late parsing at the end of the translation unit. 9824e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().DelayedTemplateParsing && 9830963017dcbc32176c79a251c3ab23bc35ac784e5Douglas Gregor Tok.isNot(tok::equal) && 9848387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet TemplateInfo.Kind == ParsedTemplateInfo::Template) { 9855354e77e60e82828c7c2361f5c688c2667ab59ccBenjamin Kramer MultiTemplateParamsArg TemplateParameterLists(*TemplateInfo.TemplateParams); 9868387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet 9878387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet ParseScope BodyScope(this, Scope::FnScope|Scope::DeclScope); 9888387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet Scope *ParentScope = getCurScope()->getParent(); 9898387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet 99045fa560c72441069d9e4eb1e66efd87349caa552Douglas Gregor D.setFunctionDefinitionKind(FDK_Definition); 9918387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet Decl *DP = Actions.HandleDeclarator(ParentScope, D, 9923fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer TemplateParameterLists); 9938387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet D.complete(DP); 9948387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet D.getMutableDeclSpec().abort(); 9958387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet 9968387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet if (DP) { 997e1fca502e7f1349e9b4520a4ca9a02413bcf2b14Francois Pichet LateParsedTemplatedFunction *LPT = new LateParsedTemplatedFunction(DP); 9988387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet 9998387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet FunctionDecl *FnD = 0; 10008387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(DP)) 10018387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet FnD = FunTmpl->getTemplatedDecl(); 10028387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet else 10038387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet FnD = cast<FunctionDecl>(DP); 1004d4a0caf78e7c18e7aca65fbfd799a6c024ff51fbFrancois Pichet Actions.CheckForFunctionRedefinition(FnD); 10058387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet 10068387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet LateParsedTemplateMap[FnD] = LPT; 10078387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet Actions.MarkAsLateParsedTemplate(FnD); 10088387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet LexTemplateFunctionForLateParsing(LPT->Toks); 10098387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet } else { 10108387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet CachedTokens Toks; 10118387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet LexTemplateFunctionForLateParsing(Toks); 10128387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet } 10138387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet return DP; 10148387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet } 10152eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian else if (CurParsedObjCImpl && 10169e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian !TemplateInfo.TemplateParams && 10179e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian (Tok.is(tok::l_brace) || Tok.is(tok::kw_try) || 10189e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian Tok.is(tok::colon)) && 1019be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian Actions.CurContext->isTranslationUnit()) { 1020be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian ParseScope BodyScope(this, Scope::FnScope|Scope::DeclScope); 1021be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian Scope *ParentScope = getCurScope()->getParent(); 1022be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian 1023be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian D.setFunctionDefinitionKind(FDK_Definition); 1024be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian Decl *FuncDecl = Actions.HandleDeclarator(ParentScope, D, 10255354e77e60e82828c7c2361f5c688c2667ab59ccBenjamin Kramer MultiTemplateParamsArg()); 1026be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian D.complete(FuncDecl); 1027be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian D.getMutableDeclSpec().abort(); 1028be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian if (FuncDecl) { 1029be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian // Consume the tokens and store them for later parsing. 1030be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian StashAwayMethodOrFunctionBodyTokens(FuncDecl); 1031be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian CurParsedObjCImpl->HasCFunction = true; 1032be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian return FuncDecl; 1033be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian } 1034be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian } 1035be1d4ecb6885872f9d4e02d3afafdc9532eeb350Fariborz Jahanian 1036b652cea7d7b70ebe3744fb6d72c9ad9cf3c95429Chris Lattner // Enter a scope for the function body. 10378935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::FnScope|Scope::DeclScope); 1038a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 1039b652cea7d7b70ebe3744fb6d72c9ad9cf3c95429Chris Lattner // Tell the actions module that we have entered a function definition with the 1040b652cea7d7b70ebe3744fb6d72c9ad9cf3c95429Chris Lattner // specified Declarator for the function. 1041d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Res = TemplateInfo.TemplateParams? 104223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnStartOfFunctionTemplateDef(getCurScope(), 10435354e77e60e82828c7c2361f5c688c2667ab59ccBenjamin Kramer *TemplateInfo.TemplateParams, D) 104423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor : Actions.ActOnStartOfFunctionDef(getCurScope(), D); 1045a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 104654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall // Break out of the ParsingDeclarator context before we parse the body. 104754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall D.complete(Res); 104854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 104954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall // Break out of the ParsingDeclSpec context, too. This const_cast is 105054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall // safe because we're always the sole owner. 105154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall D.getMutableDeclSpec().abort(); 105254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 1053cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt if (Tok.is(tok::equal)) { 10544e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie assert(getLangOpts().CPlusPlus && "Only C++ function definitions have '='"); 1055cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt ConsumeToken(); 1056cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt 1057cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt Actions.ActOnFinishFunctionBody(Res, 0, false); 1058cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt 1059cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt bool Delete = false; 1060cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt SourceLocation KWLoc; 1061cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt if (Tok.is(tok::kw_delete)) { 106280ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith Diag(Tok, getLangOpts().CPlusPlus11 ? 10637fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::warn_cxx98_compat_deleted_function : 1064d7c56e1114bfe7d461786903bb720d2c6efc05a1Richard Smith diag::ext_deleted_function); 1065cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt 1066cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt KWLoc = ConsumeToken(); 1067cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt Actions.SetDeclDeleted(Res, KWLoc); 1068cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt Delete = true; 1069cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt } else if (Tok.is(tok::kw_default)) { 107080ad52f327b532bded5c5b0ee38779d841c6cd35Richard Smith Diag(Tok, getLangOpts().CPlusPlus11 ? 10717fe6208c3fa91f835813bb78236ef5c2bbf81053Richard Smith diag::warn_cxx98_compat_defaulted_function : 1072d7c56e1114bfe7d461786903bb720d2c6efc05a1Richard Smith diag::ext_defaulted_function); 1073cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt 1074cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt KWLoc = ConsumeToken(); 1075cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt Actions.SetDeclDefaulted(Res, KWLoc); 1076cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt } else { 1077cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt llvm_unreachable("function definition after = not 'delete' or 'default'"); 1078cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt } 1079cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt 1080cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt if (Tok.is(tok::comma)) { 1081cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt Diag(KWLoc, diag::err_default_delete_in_multiple_declaration) 1082cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt << Delete; 1083cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt SkipUntil(tok::semi); 1084cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt } else { 1085cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 1086cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt Delete ? "delete" : "default", tok::semi); 1087cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt } 1088cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt 1089cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt return Res; 1090cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt } 1091cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt 1092d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl if (Tok.is(tok::kw_try)) 1093c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor return ParseFunctionTryBlock(Res, BodyScope); 1094d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl 10957ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // If we have a colon, then we're probably parsing a C++ 10967ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // ctor-initializer. 1097d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall if (Tok.is(tok::colon)) { 10987ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ParseConstructorInitializer(Res); 1099d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall 1100d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall // Recover from error. 1101d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall if (!Tok.is(tok::l_brace)) { 1102c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor BodyScope.Exit(); 11039ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.ActOnFinishFunctionBody(Res, 0); 1104d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall return Res; 1105d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall } 1106d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall } else 1107393612e6c7727f1fee50039254d9f434364cc0b2Fariborz Jahanian Actions.ActOnDefaultCtorInitializers(Res); 11087ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 1109c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins // Late attributes are parsed in the same scope as the function body. 1110c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins if (LateParsedAttrs) 1111c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins ParseLexedAttributeList(*LateParsedAttrs, Res, false, true); 1112c24a2335677f3d1bd2cab1019ac445d650f52123DeLesley Hutchins 1113c9977d09a2de7f7d2245973413d4caf86c736640Douglas Gregor return ParseFunctionStatementBody(Res, BodyScope); 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseKNRParamDeclarations - Parse 'declaration-list[opt]' which provides 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types for a function with a K&R-style identifier list for arguments. 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid Parser::ParseKNRParamDeclarations(Declarator &D) { 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // We know that the top-level of this declarator is a function. 1120075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara DeclaratorChunk::FunctionTypeInfo &FTI = D.getFunctionTypeInfo(); 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 112204421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner // Enter function-declaration scope, limiting any declarators to the 112304421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner // function prototype scope, including parameter declarators. 11243a2b7a18a4504f39e3ded0d2b5749c5c80b8b9b5Richard Smith ParseScope PrototypeScope(this, Scope::FunctionPrototypeScope | 11253a2b7a18a4504f39e3ded0d2b5749c5c80b8b9b5Richard Smith Scope::FunctionDeclarationScope | Scope::DeclScope); 112604421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Read all the argument declarations. 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (isDeclarationSpecifier()) { 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation DSStart = Tok.getLocation(); 1130a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parse the common declaration-specifiers piece. 11320b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 11335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParseDeclarationSpecifiers(DS); 1134a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.9.1p6: 'each declaration in the declaration list shall have at 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // least one declarator'. 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // NOTE: GCC just makes this an ext-warn. It's not clear what it does with 11385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // the declarations though. It's trivial to ignore them, really hard to do 11395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // anything else with them. 1140000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(tok::semi)) { 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(DSStart, diag::err_declaration_does_not_declare_param); 11425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 11435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer continue; 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1145a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.9.1p6: Declarations shall contain no storage-class specifiers other 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // than register. 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DS.getStorageClassSpec() != DeclSpec::SCS_unspecified && 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DS.getStorageClassSpec() != DeclSpec::SCS_register) { 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(DS.getStorageClassSpecLoc(), 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer diag::err_invalid_storage_class_in_func_decl); 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DS.ClearStorageClassSpecs(); 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1154ec64244f5939fa81596fbeddad966cca4b4a4c51Richard Smith if (DS.getThreadStorageClassSpec() != DeclSpec::TSCS_unspecified) { 1155ec64244f5939fa81596fbeddad966cca4b4a4c51Richard Smith Diag(DS.getThreadStorageClassSpecLoc(), 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer diag::err_invalid_storage_class_in_func_decl); 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DS.ClearStorageClassSpecs(); 11585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1159a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parse the first declarator attached to this declspec. 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Declarator ParmDeclarator(DS, Declarator::KNRTypeListContext); 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParseDeclarator(ParmDeclarator); 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Handle the full declarator list. 11655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If attributes are present, parse them. 11677f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(ParmDeclarator); 1168a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Ask the actions module to compute the type for this declarator. 1170d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = 117123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnParamDeclarator(getCurScope(), ParmDeclarator); 11722bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff 1173a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump if (Param && 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // A missing identifier has already been diagnosed. 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParmDeclarator.getIdentifier()) { 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Scan the argument list looking for the correct param to apply this 11785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type. 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; ; ++i) { 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.9.1p6: those declarators shall declare only identifiers from 11815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // the identifier list. 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (i == FTI.NumArgs) { 11831ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(ParmDeclarator.getIdentifierLoc(), diag::err_no_matching_param) 11846898e33d0b28346a4dbe9a666e0e4188fea80460Chris Lattner << ParmDeclarator.getIdentifier(); 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1187a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (FTI.ArgInfo[i].Ident == ParmDeclarator.getIdentifier()) { 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Reject redefinitions of parameters. 119004421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner if (FTI.ArgInfo[i].Param) { 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(ParmDeclarator.getIdentifierLoc(), 11921ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner diag::err_param_redefinition) 11936898e33d0b28346a4dbe9a666e0e4188fea80460Chris Lattner << ParmDeclarator.getIdentifier(); 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } else { 119504421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner FTI.ArgInfo[i].Param = Param; 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 11985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If we don't have a comma, it is either the end of the list (a ';') or 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // an error, bail out. 1204000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.isNot(tok::comma)) 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 1206a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 12077984de35644701c0d94336da7f2215d4c26d9f5bRichard Smith ParmDeclarator.clear(); 12087984de35644701c0d94336da7f2215d4c26d9f5bRichard Smith 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the comma. 12107984de35644701c0d94336da7f2215d4c26d9f5bRichard Smith ParmDeclarator.setCommaLoc(ConsumeToken()); 1211a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parse the next declarator. 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParseDeclarator(ParmDeclarator); 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1215a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 12168bb21d32e9ccc9d9c221506dff26acafa8724ccaChris Lattner if (ExpectAndConsumeSemi(diag::err_expected_semi_declaration)) { 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Skip to end of block or statement 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi, true); 1219000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(tok::semi)) 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1223a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The actions module must verify that all arguments were declared. 122523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishKNRParamDeclarations(getCurScope(), D, Tok.getLocation()); 12265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseAsmStringLiteral - This is just a normal string-literal, but is not 12305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// allowed to be a wide string, and is not subject to character translation. 12315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [GNU] asm-string-literal: 12335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// string-literal 12345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 123560d7b3a319d84d688752be3870615ac0f111fb16John McCallParser::ExprResult Parser::ParseAsmStringLiteral() { 12367f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek switch (Tok.getKind()) { 12377f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek case tok::string_literal: 12387f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek break; 123999831e4677a7e2e051af636221694d60ba31fcdbRichard Smith case tok::utf8_string_literal: 124099831e4677a7e2e051af636221694d60ba31fcdbRichard Smith case tok::utf16_string_literal: 124199831e4677a7e2e051af636221694d60ba31fcdbRichard Smith case tok::utf32_string_literal: 12427f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek case tok::wide_string_literal: { 12437f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek SourceLocation L = Tok.getLocation(); 12447f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek Diag(Tok, diag::err_asm_operand_wide_string_literal) 124599831e4677a7e2e051af636221694d60ba31fcdbRichard Smith << (Tok.getKind() == tok::wide_string_literal) 12467f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek << SourceRange(L, L); 12477f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek return ExprError(); 12487f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek } 12497f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek default: 125097f8461a2c553f68a258612d2322e4281c3f0915Andy Gibbs Diag(Tok, diag::err_expected_string_literal) 125197f8461a2c553f68a258612d2322e4281c3f0915Andy Gibbs << /*Source='in...'*/0 << "'asm'"; 12527f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek return ExprError(); 12535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1254a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 125599831e4677a7e2e051af636221694d60ba31fcdbRichard Smith return ParseStringLiteralExpression(); 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseSimpleAsm 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [GNU] simple-asm-expr: 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'asm' '(' asm-string-literal ')' 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 126360d7b3a319d84d688752be3870615ac0f111fb16John McCallParser::ExprResult Parser::ParseSimpleAsm(SourceLocation *EndLoc) { 1264000732226610650837478cba97843d19b75f648eChris Lattner assert(Tok.is(tok::kw_asm) && "Not an asm!"); 1265dfab6cb59a703f2ce4d58371652ce879f4c85a09Anders Carlsson SourceLocation Loc = ConsumeToken(); 1266a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 12677a6ae743b2ecfdfadadf7df53b569a9a3871a8fdJohn McCall if (Tok.is(tok::kw_volatile)) { 1268841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall // Remove from the end of 'asm' to the end of 'volatile'. 1269841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall SourceRange RemovalRange(PP.getLocForEndOfToken(Loc), 1270841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall PP.getLocForEndOfToken(Tok.getLocation())); 1271841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall 1272841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall Diag(Tok, diag::warn_file_asm_volatile) 1273849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(RemovalRange); 12747a6ae743b2ecfdfadadf7df53b569a9a3871a8fdJohn McCall ConsumeToken(); 12757a6ae743b2ecfdfadadf7df53b569a9a3871a8fdJohn McCall } 12767a6ae743b2ecfdfadadf7df53b569a9a3871a8fdJohn McCall 12774a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 12784a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 12791ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "asm"; 128061364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl return ExprError(); 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1282a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 128360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result(ParseAsmStringLiteral()); 1284a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 1285ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Result.isInvalid()) { 1286ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SkipUntil(tok::r_paren, true, true); 1287ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 1288ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Tok.getLocation(); 1289ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl ConsumeAnyToken(); 1290ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } else { 12914a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor // Close the paren and get the location of the end bracket 12924a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 1293ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 12944a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor *EndLoc = T.getCloseLocation(); 1295ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 1296a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 12973fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Result; 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 130025a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis/// \brief Get the TemplateIdAnnotation from the token and put it in the 130125a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis/// cleanup pool so that it gets destroyed when parsing the current top level 130225a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis/// declaration is finished. 130325a767651d14db87aa03dd5fe3e011d877dd4100Argyrios KyrtzidisTemplateIdAnnotation *Parser::takeTemplateIdAnnotation(const Token &tok) { 130425a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis assert(tok.is(tok::annot_template_id) && "Expected template-id token"); 130525a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation * 130625a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis Id = static_cast<TemplateIdAnnotation *>(tok.getAnnotationValue()); 130725a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis return Id; 130825a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis} 130925a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis 13100576681bac125be07f77f66b02a3dba2c3a24557Richard Smithvoid Parser::AnnotateScopeToken(CXXScopeSpec &SS, bool IsNewAnnotation) { 13110576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // Push the current token back into the token stream (or revert it if it is 13120576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // cached) and use an annotation scope token for current token. 13130576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (PP.isBacktrackEnabled()) 13140576681bac125be07f77f66b02a3dba2c3a24557Richard Smith PP.RevertCachedTokens(1); 13150576681bac125be07f77f66b02a3dba2c3a24557Richard Smith else 13160576681bac125be07f77f66b02a3dba2c3a24557Richard Smith PP.EnterToken(Tok); 13170576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setKind(tok::annot_cxxscope); 13180576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setAnnotationValue(Actions.SaveNestedNameSpecifierAnnotation(SS)); 13190576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setAnnotationRange(SS.getRange()); 13200576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13210576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // In case the tokens were cached, have Preprocessor replace them 13220576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // with the annotation token. We don't need to do this if we've 13230576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // just reverted back to a prior state. 13240576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (IsNewAnnotation) 13250576681bac125be07f77f66b02a3dba2c3a24557Richard Smith PP.AnnotateCachedTokens(Tok); 13260576681bac125be07f77f66b02a3dba2c3a24557Richard Smith} 13270576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13280576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// \brief Attempt to classify the name at the current token position. This may 13290576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// form a type, scope or primary expression annotation, or replace the token 13300576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// with a typo-corrected keyword. This is only appropriate when the current 13310576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// name must refer to an entity which has already been declared. 13320576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// 13330576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// \param IsAddressOfOperand Must be \c true if the name is preceded by an '&' 13340576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// and might possibly have a dependent nested name specifier. 13350576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// \param CCC Indicates how to perform typo-correction for this name. If NULL, 13360576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// no typo correction will be performed. 13370576681bac125be07f77f66b02a3dba2c3a24557Richard SmithParser::AnnotatedNameKind 13380576681bac125be07f77f66b02a3dba2c3a24557Richard SmithParser::TryAnnotateName(bool IsAddressOfOperand, 13390576681bac125be07f77f66b02a3dba2c3a24557Richard Smith CorrectionCandidateCallback *CCC) { 13400576681bac125be07f77f66b02a3dba2c3a24557Richard Smith assert(Tok.is(tok::identifier) || Tok.is(tok::annot_cxxscope)); 13410576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13420576681bac125be07f77f66b02a3dba2c3a24557Richard Smith const bool EnteringContext = false; 13430576681bac125be07f77f66b02a3dba2c3a24557Richard Smith const bool WasScopeAnnotation = Tok.is(tok::annot_cxxscope); 13440576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13450576681bac125be07f77f66b02a3dba2c3a24557Richard Smith CXXScopeSpec SS; 13460576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (getLangOpts().CPlusPlus && 13470576681bac125be07f77f66b02a3dba2c3a24557Richard Smith ParseOptionalCXXScopeSpecifier(SS, ParsedType(), EnteringContext)) 13480576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Error; 13490576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13500576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (Tok.isNot(tok::identifier) || SS.isInvalid()) { 13510576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (TryAnnotateTypeOrScopeTokenAfterScopeSpec(EnteringContext, false, SS, 13520576681bac125be07f77f66b02a3dba2c3a24557Richard Smith !WasScopeAnnotation)) 13530576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Error; 13540576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Unresolved; 13550576681bac125be07f77f66b02a3dba2c3a24557Richard Smith } 13560576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13570576681bac125be07f77f66b02a3dba2c3a24557Richard Smith IdentifierInfo *Name = Tok.getIdentifierInfo(); 13580576681bac125be07f77f66b02a3dba2c3a24557Richard Smith SourceLocation NameLoc = Tok.getLocation(); 13590576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13600576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // FIXME: Move the tentative declaration logic into ClassifyName so we can 13610576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // typo-correct to tentatively-declared identifiers. 13620576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (isTentativelyDeclared(Name)) { 13630576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // Identifier has been tentatively declared, and thus cannot be resolved as 13640576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // an expression. Fall back to annotating it as a type. 13650576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (TryAnnotateTypeOrScopeTokenAfterScopeSpec(EnteringContext, false, SS, 13660576681bac125be07f77f66b02a3dba2c3a24557Richard Smith !WasScopeAnnotation)) 13670576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Error; 13680576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return Tok.is(tok::annot_typename) ? ANK_Success : ANK_TentativeDecl; 13690576681bac125be07f77f66b02a3dba2c3a24557Richard Smith } 13700576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13710576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Token Next = NextToken(); 13720576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13730576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // Look up and classify the identifier. We don't perform any typo-correction 13740576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // after a scope specifier, because in general we can't recover from typos 13750576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // there (eg, after correcting 'A::tempalte B<X>::C', we would need to jump 13760576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // back into scope specifier parsing). 13770576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Sema::NameClassification Classification 13780576681bac125be07f77f66b02a3dba2c3a24557Richard Smith = Actions.ClassifyName(getCurScope(), SS, Name, NameLoc, Next, 13790576681bac125be07f77f66b02a3dba2c3a24557Richard Smith IsAddressOfOperand, SS.isEmpty() ? CCC : 0); 13800576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13810576681bac125be07f77f66b02a3dba2c3a24557Richard Smith switch (Classification.getKind()) { 13820576681bac125be07f77f66b02a3dba2c3a24557Richard Smith case Sema::NC_Error: 13830576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Error; 13840576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13850576681bac125be07f77f66b02a3dba2c3a24557Richard Smith case Sema::NC_Keyword: 13860576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // The identifier was typo-corrected to a keyword. 13870576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setIdentifierInfo(Name); 13880576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setKind(Name->getTokenID()); 13890576681bac125be07f77f66b02a3dba2c3a24557Richard Smith PP.TypoCorrectToken(Tok); 13900576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (SS.isNotEmpty()) 13910576681bac125be07f77f66b02a3dba2c3a24557Richard Smith AnnotateScopeToken(SS, !WasScopeAnnotation); 13920576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // We've "annotated" this as a keyword. 13930576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Success; 13940576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13950576681bac125be07f77f66b02a3dba2c3a24557Richard Smith case Sema::NC_Unknown: 13960576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // It's not something we know about. Leave it unannotated. 13970576681bac125be07f77f66b02a3dba2c3a24557Richard Smith break; 13980576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 13990576681bac125be07f77f66b02a3dba2c3a24557Richard Smith case Sema::NC_Type: 14000576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setKind(tok::annot_typename); 14010576681bac125be07f77f66b02a3dba2c3a24557Richard Smith setTypeAnnotation(Tok, Classification.getType()); 14020576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setAnnotationEndLoc(NameLoc); 14030576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (SS.isNotEmpty()) 14040576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setLocation(SS.getBeginLoc()); 14050576681bac125be07f77f66b02a3dba2c3a24557Richard Smith PP.AnnotateCachedTokens(Tok); 14060576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Success; 14070576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 14080576681bac125be07f77f66b02a3dba2c3a24557Richard Smith case Sema::NC_Expression: 14090576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setKind(tok::annot_primary_expr); 14100576681bac125be07f77f66b02a3dba2c3a24557Richard Smith setExprAnnotation(Tok, Classification.getExpression()); 14110576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setAnnotationEndLoc(NameLoc); 14120576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (SS.isNotEmpty()) 14130576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Tok.setLocation(SS.getBeginLoc()); 14140576681bac125be07f77f66b02a3dba2c3a24557Richard Smith PP.AnnotateCachedTokens(Tok); 14150576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Success; 14160576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 14170576681bac125be07f77f66b02a3dba2c3a24557Richard Smith case Sema::NC_TypeTemplate: 14180576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (Next.isNot(tok::less)) { 14190576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // This may be a type template being used as a template template argument. 14200576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (SS.isNotEmpty()) 14210576681bac125be07f77f66b02a3dba2c3a24557Richard Smith AnnotateScopeToken(SS, !WasScopeAnnotation); 14220576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_TemplateName; 14230576681bac125be07f77f66b02a3dba2c3a24557Richard Smith } 14240576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // Fall through. 14250576681bac125be07f77f66b02a3dba2c3a24557Richard Smith case Sema::NC_FunctionTemplate: { 14260576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // We have a type or function template followed by '<'. 14270576681bac125be07f77f66b02a3dba2c3a24557Richard Smith ConsumeToken(); 14280576681bac125be07f77f66b02a3dba2c3a24557Richard Smith UnqualifiedId Id; 14290576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Id.setIdentifier(Name, NameLoc); 14300576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (AnnotateTemplateIdToken( 14310576681bac125be07f77f66b02a3dba2c3a24557Richard Smith TemplateTy::make(Classification.getTemplateName()), 14320576681bac125be07f77f66b02a3dba2c3a24557Richard Smith Classification.getTemplateNameKind(), SS, SourceLocation(), Id)) 14330576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Error; 14340576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Success; 14350576681bac125be07f77f66b02a3dba2c3a24557Richard Smith } 14360576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 14370576681bac125be07f77f66b02a3dba2c3a24557Richard Smith case Sema::NC_NestedNameSpecifier: 14380576681bac125be07f77f66b02a3dba2c3a24557Richard Smith llvm_unreachable("already parsed nested name specifier"); 14390576681bac125be07f77f66b02a3dba2c3a24557Richard Smith } 14400576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 14410576681bac125be07f77f66b02a3dba2c3a24557Richard Smith // Unable to classify the name, but maybe we can annotate a scope specifier. 14420576681bac125be07f77f66b02a3dba2c3a24557Richard Smith if (SS.isNotEmpty()) 14430576681bac125be07f77f66b02a3dba2c3a24557Richard Smith AnnotateScopeToken(SS, !WasScopeAnnotation); 14440576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return ANK_Unresolved; 14450576681bac125be07f77f66b02a3dba2c3a24557Richard Smith} 14460576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 1447eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// TryAnnotateTypeOrScopeToken - If the current token position is on a 1448eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// typename (possibly qualified in C++) or a C++ scope specifier not followed 1449eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// by a typename, TryAnnotateTypeOrScopeToken will replace one or more tokens 1450eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// with a single annotation token representing the typename or C++ scope 1451eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// respectively. 1452eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This simplifies handling of C++ scope specifiers and allows efficient 1453eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// backtracking without the need to re-parse and resolve nested-names and 1454eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// typenames. 145544802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// It will mainly be called when we expect to treat identifiers as typenames 145644802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// (if they are typenames). For example, in C we do not expect identifiers 145744802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// inside expressions to be treated as typenames so it will not be called 145844802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// for expressions in C. 145944802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// The benefit for C/ObjC is that a typename will be annotated and 1460b43a50ff1b0b171ece84425b0ad83a9a31f038faSteve Naroff/// Actions.getTypeName will not be needed to be called again (e.g. getTypeName 146144802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// will not be called twice, once to check whether we have a declaration 146244802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// specifier, and another one to get the actual type inside 146344802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// ParseDeclarationSpecifiers). 1464a7bc7c880f86bc180684ef032d06df51bcae7a23Chris Lattner/// 14659ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall/// This returns true if an error occurred. 14661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 146755a7cefc846765ac7d142a63f773747a20518d71Chris Lattner/// Note that this routine emits an error if you call it with ::new or ::delete 146855a7cefc846765ac7d142a63f773747a20518d71Chris Lattner/// as the current tokens, so only call it in contexts where these are invalid. 1469fac9467d1676dc05761e12e41e13e01a3a3da52bKaelyn Uhrainbool Parser::TryAnnotateTypeOrScopeToken(bool EnteringContext, bool NeedType) { 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((Tok.is(tok::identifier) || Tok.is(tok::coloncolon) 147142d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie || Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope) 147223756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith || Tok.is(tok::kw_decltype) || Tok.is(tok::annot_template_id)) 147323756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith && "Cannot be a type or scope token!"); 14741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1475d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Tok.is(tok::kw_typename)) { 1476d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Parse a C++ typename-specifier, e.g., "typename T::type". 1477d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // 1478d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // typename-specifier: 1479d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // 'typename' '::' [opt] nested-name-specifier identifier 14801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 'typename' '::' [opt] nested-name-specifier template [opt] 14811734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor // simple-template-id 1482d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor SourceLocation TypenameLoc = ConsumeToken(); 1483d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor CXXScopeSpec SS; 1484efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor if (ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/ParsedType(), 1485efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor /*EnteringContext=*/false, 14864147d307086cf024a40a080e2bf379e9725f6f41Francois Pichet 0, /*IsTypename*/true)) 14879ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 14889ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (!SS.isSet()) { 1489b67e7fc607671ef3df64de63c38545197e9992b2Francois Pichet if (Tok.is(tok::identifier) || Tok.is(tok::annot_template_id) || 1490b67e7fc607671ef3df64de63c38545197e9992b2Francois Pichet Tok.is(tok::annot_decltype)) { 149123756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith // Attempt to recover by skipping the invalid 'typename' 1492b67e7fc607671ef3df64de63c38545197e9992b2Francois Pichet if (Tok.is(tok::annot_decltype) || 1493b67e7fc607671ef3df64de63c38545197e9992b2Francois Pichet (!TryAnnotateTypeOrScopeToken(EnteringContext, NeedType) && 1494b67e7fc607671ef3df64de63c38545197e9992b2Francois Pichet Tok.isAnnotation())) { 149523756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith unsigned DiagID = diag::err_expected_qualified_after_typename; 149623756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith // MS compatibility: MSVC permits using known types with typename. 149723756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith // e.g. "typedef typename T* pointer_type" 149823756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith if (getLangOpts().MicrosoftExt) 149923756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith DiagID = diag::warn_expected_qualified_after_typename; 150023756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith Diag(Tok.getLocation(), DiagID); 150123756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith return false; 150223756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith } 150323756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith } 150423756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith 150523756776eadfd8bbddf5d120d4c191ef9e50d209Richard Smith Diag(Tok.getLocation(), diag::err_expected_qualified_after_typename); 15069ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 1507d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1508d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1509d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypeResult Ty; 1510d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Tok.is(tok::identifier)) { 1511d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // FIXME: check whether the next token is '<', first! 151223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Ty = Actions.ActOnTypenameType(getCurScope(), TypenameLoc, SS, 15131a15dae8be2b28e02b6639aa92b832465c5be420Douglas Gregor *Tok.getIdentifierInfo(), 1514d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Tok.getLocation()); 15151734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 151625a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 15171734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (TemplateId->Kind == TNK_Function_template) { 15181734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Diag(Tok, diag::err_typename_refers_to_non_type_template) 15191734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor << Tok.getAnnotationRange(); 15209ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 15211734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 1522d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 15235354e77e60e82828c7c2361f5c688c2667ab59ccBenjamin Kramer ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(), 1524a02411e4d58b1730bea2a990822858ecc31e8eb1Douglas Gregor TemplateId->NumArgs); 152566581d41527628d4b37f7b05c288f77be7415d7dAbramo Bagnara 1526a02411e4d58b1730bea2a990822858ecc31e8eb1Douglas Gregor Ty = Actions.ActOnTypenameType(getCurScope(), TypenameLoc, SS, 152766581d41527628d4b37f7b05c288f77be7415d7dAbramo Bagnara TemplateId->TemplateKWLoc, 1528a02411e4d58b1730bea2a990822858ecc31e8eb1Douglas Gregor TemplateId->Template, 1529a02411e4d58b1730bea2a990822858ecc31e8eb1Douglas Gregor TemplateId->TemplateNameLoc, 1530a02411e4d58b1730bea2a990822858ecc31e8eb1Douglas Gregor TemplateId->LAngleLoc, 153166581d41527628d4b37f7b05c288f77be7415d7dAbramo Bagnara TemplateArgsPtr, 1532a02411e4d58b1730bea2a990822858ecc31e8eb1Douglas Gregor TemplateId->RAngleLoc); 15331734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } else { 15341734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Diag(Tok, diag::err_expected_type_name_after_typename) 15351734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor << SS.getRange(); 15369ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 15371734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 15381734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 153939d67117f896c6e2faa727671ef64b3c04b0e3feSebastian Redl SourceLocation EndLoc = Tok.getLastLoc(); 15401734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Tok.setKind(tok::annot_typename); 1541b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall setTypeAnnotation(Tok, Ty.isInvalid() ? ParsedType() : Ty.get()); 154239d67117f896c6e2faa727671ef64b3c04b0e3feSebastian Redl Tok.setAnnotationEndLoc(EndLoc); 15431734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Tok.setLocation(TypenameLoc); 15441734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor PP.AnnotateCachedTokens(Tok); 15459ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 1546d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1547d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1548ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall // Remembers whether the token was originally a scope annotation. 15490576681bac125be07f77f66b02a3dba2c3a24557Richard Smith bool WasScopeAnnotation = Tok.is(tok::annot_cxxscope); 1550ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall 1551eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 15524e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) 1553b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), EnteringContext)) 15549ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 1555eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 15560576681bac125be07f77f66b02a3dba2c3a24557Richard Smith return TryAnnotateTypeOrScopeTokenAfterScopeSpec(EnteringContext, NeedType, 15570576681bac125be07f77f66b02a3dba2c3a24557Richard Smith SS, !WasScopeAnnotation); 15580576681bac125be07f77f66b02a3dba2c3a24557Richard Smith} 15590576681bac125be07f77f66b02a3dba2c3a24557Richard Smith 15600576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// \brief Try to annotate a type or scope token, having already parsed an 15610576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// optional scope specifier. \p IsNewScope should be \c true unless the scope 15620576681bac125be07f77f66b02a3dba2c3a24557Richard Smith/// specifier was extracted from an existing tok::annot_cxxscope annotation. 15630576681bac125be07f77f66b02a3dba2c3a24557Richard Smithbool Parser::TryAnnotateTypeOrScopeTokenAfterScopeSpec(bool EnteringContext, 15640576681bac125be07f77f66b02a3dba2c3a24557Richard Smith bool NeedType, 15650576681bac125be07f77f66b02a3dba2c3a24557Richard Smith CXXScopeSpec &SS, 15660576681bac125be07f77f66b02a3dba2c3a24557Richard Smith bool IsNewScope) { 1567eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (Tok.is(tok::identifier)) { 1568fac9467d1676dc05761e12e41e13e01a3a3da52bKaelyn Uhrain IdentifierInfo *CorrectedII = 0; 1569608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // Determine whether the identifier is a type name. 1570b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParsedType Ty = Actions.getTypeName(*Tok.getIdentifierInfo(), 1571b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Tok.getLocation(), getCurScope(), 15721e52dfc648ce0b25ef57ae29ef1b4337d80011efFariborz Jahanian &SS, false, 15739e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor NextToken().is(tok::period), 15749e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor ParsedType(), 1575fad03b75e0297546c5d12ec420b5b79d5b7baa2aAbramo Bagnara /*IsCtorOrDtorName=*/false, 1576fac9467d1676dc05761e12e41e13e01a3a3da52bKaelyn Uhrain /*NonTrivialTypeSourceInfo*/true, 1577fac9467d1676dc05761e12e41e13e01a3a3da52bKaelyn Uhrain NeedType ? &CorrectedII : NULL)) { 1578fac9467d1676dc05761e12e41e13e01a3a3da52bKaelyn Uhrain // A FixIt was applied as a result of typo correction 1579fac9467d1676dc05761e12e41e13e01a3a3da52bKaelyn Uhrain if (CorrectedII) 1580fac9467d1676dc05761e12e41e13e01a3a3da52bKaelyn Uhrain Tok.setIdentifierInfo(CorrectedII); 1581608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // This is a typename. Replace the current token in-place with an 1582608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // annotation type token. 1583b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner Tok.setKind(tok::annot_typename); 1584b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall setTypeAnnotation(Tok, Ty); 1585608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner Tok.setAnnotationEndLoc(Tok.getLocation()); 1586608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner if (SS.isNotEmpty()) // it was a C++ qualified type name. 1587608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner Tok.setLocation(SS.getBeginLoc()); 15881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1589608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // In case the tokens were cached, have Preprocessor replace 1590608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // them with the annotation token. 1591608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner PP.AnnotateCachedTokens(Tok); 15929ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 15931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 159439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 15954e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().CPlusPlus) { 1596608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // If we're in C, we can't have :: tokens at all (the lexer won't return 1597608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // them). If the identifier is not a type, then it can't be scope either, 15981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // just early exit. 1599608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner return false; 1600eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 16011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 160239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // If this is a template-id, annotate with a template-id or type token. 160355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor if (NextToken().is(tok::less)) { 16047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateTy Template; 1605014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 1606014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 16071fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 16081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (TemplateNameKind TNK 16097c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara = Actions.isTemplateName(getCurScope(), SS, 16107c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara /*hasTemplateKeyword=*/false, TemplateName, 1611b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall /*ObjectType=*/ ParsedType(), 1612b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall EnteringContext, 16137c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara Template, MemberOfUnknownSpecialization)) { 1614ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the identifier. 1615ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 1616e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (AnnotateTemplateIdToken(Template, TNK, SS, SourceLocation(), 1617e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateName)) { 1618c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner // If an unrecoverable error occurred, we need to return true here, 1619c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner // because the token stream is in a damaged state. We may not return 1620c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner // a valid identifier. 16219ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 1622c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner } 1623ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 162455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 1625d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 162639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The current token, which is either an identifier or a 162739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // template-id, is not part of the annotation. Fall through to 162839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // push that token back into the stream and complete the C++ scope 162939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // specifier annotation. 16301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1631eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 163239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id)) { 163325a767651d14db87aa03dd5fe3e011d877dd4100Argyrios Kyrtzidis TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); 1634c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind == TNK_Type_template) { 163539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // A template-id that refers to a type was parsed into a 163639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // template-id annotation in a context where we weren't allowed 163739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // to produce a type annotation token. Update the template-id 163839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // annotation token to a type annotation token now. 1639059101f922de6eb765601459925f4c8914420b23Douglas Gregor AnnotateTemplateIdTokenAsType(); 16409ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 164139a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 164239a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 1643d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 16446ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner if (SS.isEmpty()) 16459ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 16461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16476ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner // A C++ scope specifier that isn't followed by a typename. 16480576681bac125be07f77f66b02a3dba2c3a24557Richard Smith AnnotateScopeToken(SS, IsNewScope); 16499ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 1650eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 1651eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1652eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// TryAnnotateScopeToken - Like TryAnnotateTypeOrScopeToken but only 165339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor/// annotates C++ scope specifiers and template-ids. This returns 165483a22ecbf52c06b4ee364f3fadcdb0abaf2dabf6Richard Smith/// true if there was an error that could not be recovered from. 16551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 165655a7cefc846765ac7d142a63f773747a20518d71Chris Lattner/// Note that this routine emits an error if you call it with ::new or ::delete 165755a7cefc846765ac7d142a63f773747a20518d71Chris Lattner/// as the current tokens, so only call it in contexts where these are invalid. 1658495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregorbool Parser::TryAnnotateCXXScopeToken(bool EnteringContext) { 16594e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie assert(getLangOpts().CPlusPlus && 16606ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner "Call sites of this function should be guarded by checking for C++"); 16613b887354b1b667c97d070ddc67b5354353c4c07bDouglas Gregor assert((Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 166242d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) || 166342d6d0c91ab089cb252ab2f91c16d4557f458a2cDavid Blaikie Tok.is(tok::kw_decltype)) && "Cannot be a type or scope token!"); 1664eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 16654bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis CXXScopeSpec SS; 1666b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), EnteringContext)) 16679ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 1668edc287751a4b05e3b4d8ff2b38fa30c5b59a548bJeffrey Yasskin if (SS.isEmpty()) 16699ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 1670eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 16710576681bac125be07f77f66b02a3dba2c3a24557Richard Smith AnnotateScopeToken(SS, true); 16729ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 1673eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 16746c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall 1675fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieubool Parser::isTokenEqualOrEqualTypo() { 1676fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu tok::TokenKind Kind = Tok.getKind(); 1677fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu switch (Kind) { 1678fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu default: 1679d6c7c67313634b317a0d63c32be0511a121bb33dRichard Trieu return false; 1680fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::ampequal: // &= 1681fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::starequal: // *= 1682fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::plusequal: // += 1683fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::minusequal: // -= 1684fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::exclaimequal: // != 1685fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::slashequal: // /= 1686fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::percentequal: // %= 1687fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::lessequal: // <= 1688fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::lesslessequal: // <<= 1689fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::greaterequal: // >= 1690fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::greatergreaterequal: // >>= 1691fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::caretequal: // ^= 1692fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::pipeequal: // |= 1693fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::equalequal: // == 1694fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu Diag(Tok, diag::err_invalid_token_after_declarator_suggest_equal) 1695fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu << getTokenSimpleSpelling(Kind) 1696fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu << FixItHint::CreateReplacement(SourceRange(Tok.getLocation()), "="); 1697fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu case tok::equal: 1698fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu return true; 1699fcaf27e185695bdf755e202aeba9632e0a8ef3c6Richard Trieu } 1700a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis} 1701a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis 17027d100872341f233c81e1d7b72b40457e62c36862Argyrios KyrtzidisSourceLocation Parser::handleUnexpectedCodeCompletionToken() { 17037d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis assert(Tok.is(tok::code_completion)); 17047d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis PrevTokLocation = Tok.getLocation(); 17057d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis 170623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (Scope *S = getCurScope(); S; S = S->getParent()) { 1707dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor if (S->getFlags() & Scope::FnScope) { 1708f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_RecoveryInFunction); 17097d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 17107d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return PrevTokLocation; 1711dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor } 1712dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 1713dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor if (S->getFlags() & Scope::ClassScope) { 1714f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Class); 17157d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 17167d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return PrevTokLocation; 1717dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor } 1718dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor } 1719dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 1720f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Namespace); 17217d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 17227d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return PrevTokLocation; 1723dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor} 1724dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 17256c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall// Anchor the Parser::FieldCallback vtable to this translation unit. 17266c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall// We use a spurious method instead of the destructor because 17276c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall// destroying FieldCallbacks can actually be slightly 17286c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall// performance-sensitive. 17296c94a6d77f456f23ecd4c2061e6413786b5e6571John McCallvoid Parser::FieldCallback::_anchor() { 17306c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall} 1731f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor 1732f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor// Code-completion pass-through functions 1733f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor 1734f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregorvoid Parser::CodeCompleteDirective(bool InConditional) { 1735f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor Actions.CodeCompletePreprocessorDirective(InConditional); 1736f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor} 1737f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor 1738f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregorvoid Parser::CodeCompleteInConditionalExclusion() { 1739f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor Actions.CodeCompleteInPreprocessorConditionalExclusion(getCurScope()); 1740f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor} 17411fbb447e9d43c2c676e94081fbfee7eb6cbe933bDouglas Gregor 17421fbb447e9d43c2c676e94081fbfee7eb6cbe933bDouglas Gregorvoid Parser::CodeCompleteMacroName(bool IsDefinition) { 1743f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor Actions.CodeCompletePreprocessorMacroName(IsDefinition); 1744f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor} 1745f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor 1746f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregorvoid Parser::CodeCompletePreprocessorExpression() { 1747f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor Actions.CodeCompletePreprocessorExpression(); 1748f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor} 1749f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor 1750f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregorvoid Parser::CodeCompleteMacroArgument(IdentifierInfo *Macro, 1751f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor MacroInfo *MacroInfo, 1752f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor unsigned ArgumentIndex) { 1753f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor Actions.CodeCompletePreprocessorMacroArgument(getCurScope(), Macro, MacroInfo, 1754f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor ArgumentIndex); 17551fbb447e9d43c2c676e94081fbfee7eb6cbe933bDouglas Gregor} 175655817afdf9d453a443262a733f6caf6692dca118Douglas Gregor 175755817afdf9d453a443262a733f6caf6692dca118Douglas Gregorvoid Parser::CodeCompleteNaturalLanguage() { 175855817afdf9d453a443262a733f6caf6692dca118Douglas Gregor Actions.CodeCompleteNaturalLanguage(); 175955817afdf9d453a443262a733f6caf6692dca118Douglas Gregor} 1760f986038beed360c031de8654cfba43a5d3184605Francois Pichet 17613896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregorbool Parser::ParseMicrosoftIfExistsCondition(IfExistsCondition& Result) { 1762f986038beed360c031de8654cfba43a5d3184605Francois Pichet assert((Tok.is(tok::kw___if_exists) || Tok.is(tok::kw___if_not_exists)) && 1763f986038beed360c031de8654cfba43a5d3184605Francois Pichet "Expected '__if_exists' or '__if_not_exists'"); 17643896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Result.IsIfExists = Tok.is(tok::kw___if_exists); 17653896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Result.KeywordLoc = ConsumeToken(); 1766f986038beed360c031de8654cfba43a5d3184605Francois Pichet 17674a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 17684a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.consumeOpen()) { 17693896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Diag(Tok, diag::err_expected_lparen_after) 17703896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor << (Result.IsIfExists? "__if_exists" : "__if_not_exists"); 1771f986038beed360c031de8654cfba43a5d3184605Francois Pichet return true; 1772f986038beed360c031de8654cfba43a5d3184605Francois Pichet } 1773f986038beed360c031de8654cfba43a5d3184605Francois Pichet 1774f986038beed360c031de8654cfba43a5d3184605Francois Pichet // Parse nested-name-specifier. 1775efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor ParseOptionalCXXScopeSpecifier(Result.SS, ParsedType(), 1776efaa93aaa2653f4eb40e6a22e504a448da94aaf8Douglas Gregor /*EnteringContext=*/false); 1777f986038beed360c031de8654cfba43a5d3184605Francois Pichet 1778f986038beed360c031de8654cfba43a5d3184605Francois Pichet // Check nested-name specifier. 17793896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor if (Result.SS.isInvalid()) { 17803896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor T.skipToEnd(); 1781f986038beed360c031de8654cfba43a5d3184605Francois Pichet return true; 1782f986038beed360c031de8654cfba43a5d3184605Francois Pichet } 1783f986038beed360c031de8654cfba43a5d3184605Francois Pichet 1784e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara // Parse the unqualified-id. 1785e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara SourceLocation TemplateKWLoc; // FIXME: parsed, but unused. 1786e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara if (ParseUnqualifiedId(Result.SS, false, true, true, ParsedType(), 1787e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara TemplateKWLoc, Result.Name)) { 17883896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor T.skipToEnd(); 1789f986038beed360c031de8654cfba43a5d3184605Francois Pichet return true; 1790f986038beed360c031de8654cfba43a5d3184605Francois Pichet } 1791f986038beed360c031de8654cfba43a5d3184605Francois Pichet 17923896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor if (T.consumeClose()) 1793f986038beed360c031de8654cfba43a5d3184605Francois Pichet return true; 17943896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 1795f986038beed360c031de8654cfba43a5d3184605Francois Pichet // Check if the symbol exists. 179665019acfc46ffb191fac4e781ac0c4b8d0c8434eDouglas Gregor switch (Actions.CheckMicrosoftIfExistsSymbol(getCurScope(), Result.KeywordLoc, 179765019acfc46ffb191fac4e781ac0c4b8d0c8434eDouglas Gregor Result.IsIfExists, Result.SS, 17983896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Result.Name)) { 17993896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case Sema::IER_Exists: 18003896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Result.Behavior = Result.IsIfExists ? IEB_Parse : IEB_Skip; 18013896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor break; 1802f986038beed360c031de8654cfba43a5d3184605Francois Pichet 18033896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case Sema::IER_DoesNotExist: 18043896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Result.Behavior = !Result.IsIfExists ? IEB_Parse : IEB_Skip; 18053896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor break; 18063896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 18073896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case Sema::IER_Dependent: 18083896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Result.Behavior = IEB_Dependent; 18093896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor break; 181065019acfc46ffb191fac4e781ac0c4b8d0c8434eDouglas Gregor 181165019acfc46ffb191fac4e781ac0c4b8d0c8434eDouglas Gregor case Sema::IER_Error: 181265019acfc46ffb191fac4e781ac0c4b8d0c8434eDouglas Gregor return true; 18133896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor } 1814f986038beed360c031de8654cfba43a5d3184605Francois Pichet 1815f986038beed360c031de8654cfba43a5d3184605Francois Pichet return false; 1816f986038beed360c031de8654cfba43a5d3184605Francois Pichet} 1817f986038beed360c031de8654cfba43a5d3184605Francois Pichet 1818563a645de82231a55e221fe655b7188bf8369662Francois Pichetvoid Parser::ParseMicrosoftIfExistsExternalDeclaration() { 18193896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor IfExistsCondition Result; 1820f986038beed360c031de8654cfba43a5d3184605Francois Pichet if (ParseMicrosoftIfExistsCondition(Result)) 1821f986038beed360c031de8654cfba43a5d3184605Francois Pichet return; 1822f986038beed360c031de8654cfba43a5d3184605Francois Pichet 18233896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor BalancedDelimiterTracker Braces(*this, tok::l_brace); 18243896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor if (Braces.consumeOpen()) { 1825f986038beed360c031de8654cfba43a5d3184605Francois Pichet Diag(Tok, diag::err_expected_lbrace); 1826f986038beed360c031de8654cfba43a5d3184605Francois Pichet return; 1827f986038beed360c031de8654cfba43a5d3184605Francois Pichet } 1828f986038beed360c031de8654cfba43a5d3184605Francois Pichet 18293896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor switch (Result.Behavior) { 18303896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case IEB_Parse: 18313896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor // Parse declarations below. 18323896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor break; 18333896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 18343896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case IEB_Dependent: 18353896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor llvm_unreachable("Cannot have a dependent external declaration"); 18363896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 18373896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor case IEB_Skip: 18383896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Braces.skipToEnd(); 1839f986038beed360c031de8654cfba43a5d3184605Francois Pichet return; 1840f986038beed360c031de8654cfba43a5d3184605Francois Pichet } 1841f986038beed360c031de8654cfba43a5d3184605Francois Pichet 18423896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor // Parse the declarations. 18433896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1844f986038beed360c031de8654cfba43a5d3184605Francois Pichet ParsedAttributesWithRange attrs(AttrFactory); 18454e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith MaybeParseCXX11Attributes(attrs); 1846f986038beed360c031de8654cfba43a5d3184605Francois Pichet MaybeParseMicrosoftAttributes(attrs); 1847f986038beed360c031de8654cfba43a5d3184605Francois Pichet DeclGroupPtrTy Result = ParseExternalDeclaration(attrs); 1848f986038beed360c031de8654cfba43a5d3184605Francois Pichet if (Result && !getCurScope()->getParent()) 1849f986038beed360c031de8654cfba43a5d3184605Francois Pichet Actions.getASTConsumer().HandleTopLevelDecl(Result.get()); 18503896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor } 18513896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor Braces.consumeClose(); 1852f986038beed360c031de8654cfba43a5d3184605Francois Pichet} 18536aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor 18545948ae1021122164b22f74353bb7fe325a64f616Douglas GregorParser::DeclGroupPtrTy Parser::ParseModuleImport(SourceLocation AtLoc) { 18551b257afbae854c6817f26b7d61c4fed8ff7aebadDouglas Gregor assert(Tok.isObjCAtKeyword(tok::objc_import) && 185665030af6526748ce11534e92f0ccefc44091ba13Douglas Gregor "Improper start to module import"); 18576aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor SourceLocation ImportLoc = ConsumeToken(); 18586aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor 1859cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko SmallVector<std::pair<IdentifierInfo *, SourceLocation>, 2> Path; 18603d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor 18613d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor // Parse the module path. 18623d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor do { 18633d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor if (!Tok.is(tok::identifier)) { 1864c5b2e58840748145d1706c1d1481369d1863fabfDouglas Gregor if (Tok.is(tok::code_completion)) { 1865c5b2e58840748145d1706c1d1481369d1863fabfDouglas Gregor Actions.CodeCompleteModuleImport(ImportLoc, Path); 1866c5b2e58840748145d1706c1d1481369d1863fabfDouglas Gregor ConsumeCodeCompletionToken(); 1867c5b2e58840748145d1706c1d1481369d1863fabfDouglas Gregor SkipUntil(tok::semi); 1868c5b2e58840748145d1706c1d1481369d1863fabfDouglas Gregor return DeclGroupPtrTy(); 1869c5b2e58840748145d1706c1d1481369d1863fabfDouglas Gregor } 1870c5b2e58840748145d1706c1d1481369d1863fabfDouglas Gregor 18713d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor Diag(Tok, diag::err_module_expected_ident); 18723d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor SkipUntil(tok::semi); 18733d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor return DeclGroupPtrTy(); 18743d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor } 18753d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor 18763d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor // Record this part of the module path. 18773d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor Path.push_back(std::make_pair(Tok.getIdentifierInfo(), Tok.getLocation())); 18783d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor ConsumeToken(); 18793d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor 18803d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor if (Tok.is(tok::period)) { 18813d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor ConsumeToken(); 18823d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor continue; 18833d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor } 18843d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor 18853d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor break; 18863d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor } while (true); 18876aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor 18885948ae1021122164b22f74353bb7fe325a64f616Douglas Gregor DeclResult Import = Actions.ActOnModuleImport(AtLoc, ImportLoc, Path); 18896aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor ExpectAndConsumeSemi(diag::err_module_expected_semi); 18906aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor if (Import.isInvalid()) 18916aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor return DeclGroupPtrTy(); 18926aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor 18936aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor return Actions.ConvertDeclToDeclGroup(Import.get()); 18946aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor} 18954a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 1896c86c40b912e53fb11ff8f745ed616035b8b7259cDouglas Gregorbool BalancedDelimiterTracker::diagnoseOverflow() { 18979e738cc9d4b4655c44dadeb22f3a314daf43b995Richard Smith P.Diag(P.Tok, diag::err_bracket_depth_exceeded) 18989e738cc9d4b4655c44dadeb22f3a314daf43b995Richard Smith << P.getLangOpts().BracketDepth; 18999e738cc9d4b4655c44dadeb22f3a314daf43b995Richard Smith P.Diag(P.Tok, diag::note_bracket_depth); 1900d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor P.SkipUntil(tok::eof); 1901d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor return true; 19024a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor} 19034a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 1904c86c40b912e53fb11ff8f745ed616035b8b7259cDouglas Gregorbool BalancedDelimiterTracker::expectAndConsume(unsigned DiagID, 19054a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor const char *Msg, 19064a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor tok::TokenKind SkipToToc ) { 19074a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor LOpen = P.Tok.getLocation(); 1908d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor if (P.ExpectAndConsume(Kind, DiagID, Msg, SkipToToc)) 1909d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor return true; 1910d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor 1911d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor if (getDepth() < MaxDepth) 1912d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor return false; 1913d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor 1914d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor return diagnoseOverflow(); 19154a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor} 19164a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 1917c86c40b912e53fb11ff8f745ed616035b8b7259cDouglas Gregorbool BalancedDelimiterTracker::diagnoseMissingClose() { 1918d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor assert(!P.Tok.is(Close) && "Should have consumed closing delimiter"); 1919d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor 1920d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor const char *LHSName = "unknown"; 1921b031eab1c07fa2c5bd74c7e92f7c938bf3304729David Blaikie diag::kind DID; 1922d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor switch (Close) { 1923b031eab1c07fa2c5bd74c7e92f7c938bf3304729David Blaikie default: llvm_unreachable("Unexpected balanced token"); 1924d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor case tok::r_paren : LHSName = "("; DID = diag::err_expected_rparen; break; 1925d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor case tok::r_brace : LHSName = "{"; DID = diag::err_expected_rbrace; break; 1926d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor case tok::r_square: LHSName = "["; DID = diag::err_expected_rsquare; break; 19274a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor } 1928d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor P.Diag(P.Tok, DID); 1929d78ef5b941ce2937228b010e8443f92025f9d683Douglas Gregor P.Diag(LOpen, diag::note_matching) << LHSName; 1930b578aee665aad5ed1a46a26217c730fdfbfc8c2eDavid Blaikie if (P.SkipUntil(Close, /*StopAtSemi*/ true, /*DontConsume*/ true)) 1931b578aee665aad5ed1a46a26217c730fdfbfc8c2eDavid Blaikie LClose = P.ConsumeAnyToken(); 19324a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor return true; 19334a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor} 19343896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor 1935c86c40b912e53fb11ff8f745ed616035b8b7259cDouglas Gregorvoid BalancedDelimiterTracker::skipToEnd() { 19363896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor P.SkipUntil(Close, false); 19373896fc5d4daaf003e451e797e37de57dd8cf9cd5Douglas Gregor} 1938