Parser.cpp revision 075f8f1b6bed4d1b224c74f87508534cc6392ce6
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" 15500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 1619510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/Scope.h" 1819510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/ParsedTemplate.h" 190102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner#include "llvm/Support/raw_ostream.h" 20d167ca0d26e43292b8b9e8d5300d92784ae0e27dChris Lattner#include "RAIIObjectsForParser.h" 21fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar#include "ParsePragma.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCallParser::Parser(Preprocessor &pp, Sema &actions) 251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : CrashInfo(*this), PP(pp), Actions(actions), Diags(PP.getDiagnostics()), 260fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor GreaterThanIsOperator(true), ColonIsSacred(false), 270fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpression(false), TemplateParameterDepth(0) { 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Tok.setKind(tok::eof); 2923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CurScope = 0; 309e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner NumCachedScopes = 0; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenCount = BracketCount = BraceCount = 0; 32d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCImpDecl = 0; 33fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar 34fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar // Add #pragma handlers. These are removed and destroyed in the 35fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar // destructor. 36cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar AlignHandler.reset(new PragmaAlignHandler(actions)); 37cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar PP.AddPragmaHandler(AlignHandler.get()); 38cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar 39aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman GCCVisibilityHandler.reset(new PragmaGCCVisibilityHandler(actions)); 40aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman PP.AddPragmaHandler("GCC", GCCVisibilityHandler.get()); 41aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman 429b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis OptionsHandler.reset(new PragmaOptionsHandler(actions)); 439b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.AddPragmaHandler(OptionsHandler.get()); 449b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis 459b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PackHandler.reset(new PragmaPackHandler(actions)); 469b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.AddPragmaHandler(PackHandler.get()); 479b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis 489b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis UnusedHandler.reset(new PragmaUnusedHandler(actions, *this)); 499b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.AddPragmaHandler(UnusedHandler.get()); 509b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis 519b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis WeakHandler.reset(new PragmaWeakHandler(actions)); 529b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.AddPragmaHandler(WeakHandler.get()); 53f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor 54f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor PP.setCodeCompletionHandler(*this); 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 570102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner/// If a crash happens while the parser is active, print out a line indicating 580102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner/// what the current token is. 590102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattnervoid PrettyStackTraceParserEntry::print(llvm::raw_ostream &OS) const { 600102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner const Token &Tok = P.getCurToken(); 61ddcbc0a72a04a5ae2493088f1437200a9ea480b1Chris Lattner if (Tok.is(tok::eof)) { 620102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner OS << "<eof> parser at end of file\n"; 630102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner return; 640102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner } 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 66ddcbc0a72a04a5ae2493088f1437200a9ea480b1Chris Lattner if (Tok.getLocation().isInvalid()) { 67ddcbc0a72a04a5ae2493088f1437200a9ea480b1Chris Lattner OS << "<unknown> parser at unknown location\n"; 68ddcbc0a72a04a5ae2493088f1437200a9ea480b1Chris Lattner return; 69ddcbc0a72a04a5ae2493088f1437200a9ea480b1Chris Lattner } 701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 710102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner const Preprocessor &PP = P.getPreprocessor(); 720102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner Tok.getLocation().print(OS, PP.getSourceManager()); 739fa31dd71e0414e2ca905380e2f8d42710b22c82Daniel Dunbar if (Tok.isAnnotation()) 749fa31dd71e0414e2ca905380e2f8d42710b22c82Daniel Dunbar OS << ": at annotation token \n"; 759fa31dd71e0414e2ca905380e2f8d42710b22c82Daniel Dunbar else 769fa31dd71e0414e2ca905380e2f8d42710b22c82Daniel Dunbar OS << ": current parser token '" << PP.getSpelling(Tok) << "'\n"; 77f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor} 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 790102c30896c83f70cf6b6519fd5c674cb981c0b5Chris Lattner 803cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris LattnerDiagnosticBuilder Parser::Diag(SourceLocation Loc, unsigned DiagID) { 8133e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis return Diags.Report(Loc, DiagID); 821ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner} 831ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner 843cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris LattnerDiagnosticBuilder Parser::Diag(const Token &Tok, unsigned DiagID) { 851ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(Tok.getLocation(), DiagID); 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 884b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// \brief Emits a diagnostic suggesting parentheses surrounding a 894b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// given range. 904b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// 914b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// \param Loc The location where we'll emit the diagnostic. 924b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// \param Loc The kind of diagnostic to emit. 934b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor/// \param ParenRange Source range enclosing code that should be parenthesized. 944b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregorvoid Parser::SuggestParentheses(SourceLocation Loc, unsigned DK, 954b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor SourceRange ParenRange) { 96b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor SourceLocation EndLoc = PP.getLocForEndOfToken(ParenRange.getEnd()); 97b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor if (!ParenRange.getEnd().isFileID() || EndLoc.isInvalid()) { 984b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // We can't display the parentheses, so just dig the 994b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // warning/error and return. 1004b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor Diag(Loc, DK); 1014b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor return; 1024b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } 1031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Loc, DK) 105849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(ParenRange.getBegin(), "(") 106849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(EndLoc, ")"); 1074b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor} 1084b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MatchRHSPunctuation - For punctuation with a LHS and RHS (e.g. '['/']'), 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// this helper function matches and consumes the specified RHS token if 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// present. If not present, it emits the specified diagnostic indicating 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// that the parser failed to match the RHS of the token at LHSLoc. LHSName 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// should be the name of the unmatched LHS token. 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerSourceLocation Parser::MatchRHSPunctuation(tok::TokenKind RHSTok, 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation LHSLoc) { 116a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 117000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(RHSTok)) 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ConsumeAnyToken(); 119a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation R = Tok.getLocation(); 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *LHSName = "unknown"; 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer diag::kind DID = diag::err_parse_error; 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (RHSTok) { 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: break; 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::r_paren : LHSName = "("; DID = diag::err_expected_rparen; break; 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::r_brace : LHSName = "{"; DID = diag::err_expected_rbrace; break; 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::r_square: LHSName = "["; DID = diag::err_expected_rsquare; break; 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::greater: LHSName = "<"; DID = diag::err_expected_greater; break; 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, DID); 13128eb7e992b9a266abb300da25b6d3c1557cec361Chris Lattner Diag(LHSLoc, diag::note_matching) << LHSName; 1329fc1873a3da0af8ef91e4f1927f3540f9af2038fChris Lattner SkipUntil(RHSTok); 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return R; 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 136837b1a37116cf4e64f8bb7db34982dee1fba7647John McCallstatic bool IsCommonTypo(tok::TokenKind ExpectedTok, const Token &Tok) { 137837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall switch (ExpectedTok) { 138837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall case tok::semi: return Tok.is(tok::colon); // : for ; 139837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall default: return false; 140837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall } 141837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall} 142837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ExpectAndConsume - The parser expects that 'ExpectedTok' is next in the 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// input. If so, it is consumed and false is returned. 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// If the input is malformed, this emits the specified diagnostic. Next, if 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SkipToTok is specified, it calls SkipUntil(SkipToTok). Finally, true is 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// returned. 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerbool Parser::ExpectAndConsume(tok::TokenKind ExpectedTok, unsigned DiagID, 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *Msg, tok::TokenKind SkipToTok) { 151dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor if (Tok.is(ExpectedTok) || Tok.is(tok::code_completion)) { 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeAnyToken(); 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 155a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 156837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall // Detect common single-character typos and resume. 157837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall if (IsCommonTypo(ExpectedTok, Tok)) { 158837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall SourceLocation Loc = Tok.getLocation(); 159837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall Diag(Loc, DiagID) 160837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall << Msg 161837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall << FixItHint::CreateReplacement(SourceRange(Loc), 162837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall getTokenSimpleSpelling(ExpectedTok)); 163837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall ConsumeAnyToken(); 164837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall 165837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall // Pretend there wasn't a problem. 166837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall return false; 167837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall } 168837b1a37116cf4e64f8bb7db34982dee1fba7647John McCall 1694b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor const char *Spelling = 0; 170b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor SourceLocation EndLoc = PP.getLocForEndOfToken(PrevTokLocation); 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (EndLoc.isValid() && 172b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor (Spelling = tok::getTokenSimpleSpelling(ExpectedTok))) { 1734b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // Show what code to insert to fix this problem. 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(EndLoc, DiagID) 1754b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor << Msg 176849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(EndLoc, Spelling); 1774b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor } else 1784b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor Diag(Tok, DiagID) << Msg; 1794b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (SkipToTok != tok::unknown) 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(SkipToTok); 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return true; 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1859ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregorbool Parser::ExpectAndConsumeSemi(unsigned DiagID) { 1869ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor if (Tok.is(tok::semi) || Tok.is(tok::code_completion)) { 1879ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ConsumeAnyToken(); 1889ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor return false; 1899ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor } 1909ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor 1919ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor if ((Tok.is(tok::r_paren) || Tok.is(tok::r_square)) && 1929ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor NextToken().is(tok::semi)) { 1939ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor Diag(Tok, diag::err_extraneous_token_before_semi) 1949ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor << PP.getSpelling(Tok) 1959ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1969ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ConsumeAnyToken(); // The ')' or ']'. 1979ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ConsumeToken(); // The ';'. 1989ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor return false; 1999ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor } 2009ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor 2019ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor return ExpectAndConsume(tok::semi, DiagID); 2029ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor} 2039ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Error recovery. 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SkipUntil - Read tokens until we get to the specified token, then consume 209012cf464254804279efa84e21b4b493dde76c5f1Chris Lattner/// it (unless DontConsume is true). Because we cannot guarantee that the 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// token will ever occur, this skips to the next token, or to some likely 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// good stopping point. If StopAtSemi is true, skipping will stop at a ';' 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// character. 213a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// If SkipUntil finds the specified token, it returns true, otherwise it 215a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// returns false. 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerbool Parser::SkipUntil(const tok::TokenKind *Toks, unsigned NumToks, 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool StopAtSemi, bool DontConsume) { 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // We always want this function to skip at least one token if the first token 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // isn't T and if not at EOF. 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFirstTokenSkipped = true; 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If we found one of the tokens, stop and return true. 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumToks; ++i) { 224000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(Toks[i])) { 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DontConsume) { 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Noop, don't consume the token. 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } else { 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeAnyToken(); 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return true; 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 233a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Tok.getKind()) { 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::eof: 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Ran out of tokens. 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; 238dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 239dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor case tok::code_completion: 240dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeToken(); 241dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor return false; 242dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::l_paren: 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Recursively skip properly-nested parens. 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeParen(); 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::r_paren, false); 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::l_square: 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Recursively skip properly-nested square brackets. 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeBracket(); 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::r_square, false); 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::l_brace: 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Recursively skip properly-nested braces. 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeBrace(); 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::r_brace, false); 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 258a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Okay, we found a ']' or '}' or ')', which we think should be balanced. 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Since the user wasn't looking for this token (if they were, it would 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // already be handled), this isn't balanced. If there is a LHS token at a 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // higher level, we will assume that this matches the unbalanced token 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // and return it. Otherwise, this is a spurious RHS token, which we skip. 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::r_paren: 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ParenCount && !isFirstTokenSkipped) 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; // Matches something. 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeParen(); 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::r_square: 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (BracketCount && !isFirstTokenSkipped) 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; // Matches something. 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeBracket(); 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::r_brace: 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (BraceCount && !isFirstTokenSkipped) 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; // Matches something. 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeBrace(); 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 279a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::string_literal: 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::wide_string_literal: 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeStringToken(); 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::semi: 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (StopAtSemi) 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FALL THROUGH. 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Skip this token. 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isFirstTokenSkipped = false; 294a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump } 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Scope manipulation 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// EnterScope - Start a new scope. 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid Parser::EnterScope(unsigned ScopeFlags) { 3039e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner if (NumCachedScopes) { 3049e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner Scope *N = ScopeCache[--NumCachedScopes]; 30523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor N->Init(getCurScope(), ScopeFlags); 30623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CurScope = N; 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } else { 3089c4eb1f3438370355f51dc8c62f2ca4803e3338dArgyrios Kyrtzidis Actions.CurScope = new Scope(getCurScope(), ScopeFlags, Diags); 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ExitScope - Pop a scope off the scope stack. 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid Parser::ExitScope() { 31423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope() && "Scope imbalance!"); 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31690ae68aae98f12fe1950c63e2f6bd0fabce6cb1eChris Lattner // Inform the actions module that this scope is going away if there are any 31790ae68aae98f12fe1950c63e2f6bd0fabce6cb1eChris Lattner // decls in it. 31823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor if (!getCurScope()->decl_empty()) 31923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnPopScope(Tok.getLocation(), getCurScope()); 320a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 32123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Scope *OldScope = getCurScope(); 32223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CurScope = OldScope->getParent(); 323a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 3249e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner if (NumCachedScopes == ScopeCacheSize) 3259e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner delete OldScope; 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3279e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner ScopeCache[NumCachedScopes++] = OldScope; 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// C99 6.9: External Definitions. 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerParser::~Parser() { 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If we still have scopes active, delete the scope tree. 33923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor delete getCurScope(); 34023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CurScope = 0; 34123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Free the scope cache. 3439e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner for (unsigned i = 0, e = NumCachedScopes; i != e; ++i) 3449e344c65b1e8b83e1d3ada507cf653526ff2c005Chris Lattner delete ScopeCache[i]; 345fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar 346fcdd8fe26de3eee44927600bf1853e21bd90dd84Daniel Dunbar // Remove the pragma handlers we installed. 347cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar PP.RemovePragmaHandler(AlignHandler.get()); 348cbb98edd530787c2ac019e437e7c599df8004ba7Daniel Dunbar AlignHandler.reset(); 349aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman PP.RemovePragmaHandler("GCC", GCCVisibilityHandler.get()); 350aa8b0d19244a6e7e8e5798fcc6aef003c274d3e0Eli Friedman GCCVisibilityHandler.reset(); 3519b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.RemovePragmaHandler(OptionsHandler.get()); 352861800c676004eabed5927f0552620d06c80a40aDaniel Dunbar OptionsHandler.reset(); 3539b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.RemovePragmaHandler(PackHandler.get()); 3544726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek PackHandler.reset(); 3559b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.RemovePragmaHandler(UnusedHandler.get()); 3564726d03ab3abce41911c31d1354a18f1258cae4dTed Kremenek UnusedHandler.reset(); 3579b36c3f0de0105e903130bbda3c4aea7d792c0afArgyrios Kyrtzidis PP.RemovePragmaHandler(WeakHandler.get()); 3589991479ad5dde617168cc1e4b18425cdbbfd9fa9Eli Friedman WeakHandler.reset(); 359f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor PP.clearCodeCompletionHandler(); 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Initialize - Warm up the parser. 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid Parser::Initialize() { 36531e057270232c1c37602579cb6461c2704175672Chris Lattner // Create the translation unit scope. Install it as the current scope. 36623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope() == 0 && "A scope is already active?"); 36731e057270232c1c37602579cb6461c2704175672Chris Lattner EnterScope(Scope::DeclScope); 368c1a3e5e73859ece9f106ae9d84c78bef4111956aDouglas Gregor Actions.ActOnTranslationUnitScope(getCurScope()); 369c1a3e5e73859ece9f106ae9d84c78bef4111956aDouglas Gregor 370c1a3e5e73859ece9f106ae9d84c78bef4111956aDouglas Gregor // Prime the lexer look-ahead. 371c1a3e5e73859ece9f106ae9d84c78bef4111956aDouglas Gregor ConsumeToken(); 372a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 373000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(tok::eof) && 374f72617544287acf0281c3b1a733bcb22a02e6ca4Chris Lattner !getLang().CPlusPlus) // Empty source file is an extension in C 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::ext_empty_source_file); 376a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 37734870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner // Initialization for Objective-C context sensitive keywords recognition. 378a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek // Referenced in Parser::ParseObjCTypeQualifierList. 37934870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner if (getLang().ObjC1) { 380a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_in] = &PP.getIdentifierTable().get("in"); 381a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_out] = &PP.getIdentifierTable().get("out"); 382a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_inout] = &PP.getIdentifierTable().get("inout"); 383a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_oneway] = &PP.getIdentifierTable().get("oneway"); 384a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_bycopy] = &PP.getIdentifierTable().get("bycopy"); 385a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCTypeQuals[objc_byref] = &PP.getIdentifierTable().get("byref"); 38634870da70fa42b0391b79627ebd0cfc6eb22213bChris Lattner } 387662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar 388662e8b5647adbb1bc9eeceece7b64600cfa87471Daniel Dunbar Ident_super = &PP.getIdentifierTable().get("super"); 38982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson 39082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson if (getLang().AltiVec) { 39182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Ident_vector = &PP.getIdentifierTable().get("vector"); 39282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Ident_pixel = &PP.getIdentifierTable().get("pixel"); 39382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson } 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseTopLevelDecl - Parse one top-level declaration, return whatever the 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// action tells us to. This returns true if the EOF was encountered. 398682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattnerbool Parser::ParseTopLevelDecl(DeclGroupPtrTy &Result) { 399682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner Result = DeclGroupPtrTy(); 4009299f3fa85796613cc787a2062c9562d07c8613eChris Lattner if (Tok.is(tok::eof)) { 4019299f3fa85796613cc787a2062c9562d07c8613eChris Lattner Actions.ActOnEndOfTranslationUnit(); 4029299f3fa85796613cc787a2062c9562d07c8613eChris Lattner return true; 4039299f3fa85796613cc787a2062c9562d07c8613eChris Lattner } 404a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 405bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt CXX0XAttributeList Attr; 406bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) 407bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Attr = ParseCXX0XAttributes(); 408334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet if (getLang().Microsoft && Tok.is(tok::l_square)) 409334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet ParseMicrosoftAttributes(); 410334d47e92e9f241576fdeb7477b69a03136ba854Francois Pichet 411bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Result = ParseExternalDeclaration(Attr); 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return false; 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseTranslationUnit: 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// translation-unit: [C99 6.9] 417a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// external-declaration 418a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// translation-unit external-declaration 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid Parser::ParseTranslationUnit() { 4208935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor Initialize(); 421a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 422682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DeclGroupPtrTy Res; 42389307ffaf8acf4d6fdffd72b607ca4fbcfdffc9dSteve Naroff while (!ParseTopLevelDecl(Res)) 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /*parse them all*/; 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42606f548596beef4c0a227a45cba996497f99566c0Chris Lattner ExitScope(); 42723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor assert(getCurScope() == 0 && "Scope imbalance!"); 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseExternalDeclaration: 43190b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner/// 432c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor/// external-declaration: [C99 6.9], declaration: [C++ dcl.dcl] 433c3018153a11afe91849748a93d920040a571b76cChris Lattner/// function-definition 434c3018153a11afe91849748a93d920040a571b76cChris Lattner/// declaration 435a1d71aea847a50b3acbd187d2ae9e5c1ead0f4e2Douglas Gregor/// [C++0x] empty-declaration 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [GNU] asm-definition 437c3018153a11afe91849748a93d920040a571b76cChris Lattner/// [GNU] __extension__ external-declaration 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-declaration 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-alias-declaration 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-protocol-definition 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-method-definition 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] @end 444c19923dda3d28f67aab4726cd40bb07032758383Douglas Gregor/// [C++] linkage-specification 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [GNU] asm-definition: 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// simple-asm-expr ';' 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 448a1d71aea847a50b3acbd187d2ae9e5c1ead0f4e2Douglas Gregor/// [C++0x] empty-declaration: 449a1d71aea847a50b3acbd187d2ae9e5c1ead0f4e2Douglas Gregor/// ';' 450a1d71aea847a50b3acbd187d2ae9e5c1ead0f4e2Douglas Gregor/// 45145f965581935791a018df829a14dff53c1dd8f47Douglas Gregor/// [C++0x/GNU] 'extern' 'template' declaration 45209a63c97b95eb4dc6fd6b2323929e8cf12af03ffDouglas GregorParser::DeclGroupPtrTy Parser::ParseExternalDeclaration(CXX0XAttributeList Attr, 45309a63c97b95eb4dc6fd6b2323929e8cf12af03ffDouglas Gregor ParsingDeclSpec *DS) { 45436d36806f1972f7ec1d2a3f59155187278c56508Argyrios Kyrtzidis ParenBraceBracketBalancer BalancerRAIIObj(*this); 45536d36806f1972f7ec1d2a3f59155187278c56508Argyrios Kyrtzidis 456d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *SingleDecl = 0; 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (Tok.getKind()) { 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::semi: 459a1d71aea847a50b3acbd187d2ae9e5c1ead0f4e2Douglas Gregor if (!getLang().CPlusPlus0x) 460a1d71aea847a50b3acbd187d2ae9e5c1ead0f4e2Douglas Gregor Diag(Tok, diag::ext_top_level_semi) 461849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // TODO: Invoke action for top-level semicolon. 465682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 46690b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner case tok::r_brace: 46790b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner Diag(Tok, diag::err_expected_external_declaration); 46890b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner ConsumeBrace(); 469682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 47090b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner case tok::eof: 47190b93d6f6961edd8f17e089253d655892adc1ef7Chris Lattner Diag(Tok, diag::err_expected_external_declaration); 472682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 473c3018153a11afe91849748a93d920040a571b76cChris Lattner case tok::kw___extension__: { 474c46d1a1f8af67a87689d7db9eaf96027282ccaeaChris Lattner // __extension__ silences extension warnings in the subexpression. 475c46d1a1f8af67a87689d7db9eaf96027282ccaeaChris Lattner ExtensionRAIIObject O(Diags); // Use RAII to do this. 47639146d6497ad5e7ca8ef639221e7b3e15d07c888Chris Lattner ConsumeToken(); 477bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseExternalDeclaration(Attr); 478c3018153a11afe91849748a93d920040a571b76cChris Lattner } 479dfab6cb59a703f2ce4d58371652ce879f4c85a09Anders Carlsson case tok::kw_asm: { 480bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr.HasAttr) 481bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) 482bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt << Attr.Range; 483bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 48460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result(ParseSimpleAsm()); 485a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 4863f9424f3206b834b5dd0e7c403348651ab6fafbbAnders Carlsson ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 4873f9424f3206b834b5dd0e7c403348651ab6fafbbAnders Carlsson "top-level asm block"); 488dfab6cb59a703f2ce4d58371652ce879f4c85a09Anders Carlsson 489682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (Result.isInvalid()) 490682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 4919ae2f076ca5ab1feb3ba95629099ec2319833701John McCall SingleDecl = Actions.ActOnFileScopeAsmDecl(Tok.getLocation(), Result.get()); 492682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner break; 493dfab6cb59a703f2ce4d58371652ce879f4c85a09Anders Carlsson } 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::at: 495682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // @ is not a legal token unless objc is enabled, no need to check for ObjC. 496682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner /// FIXME: ParseObjCAtDirectives should return a DeclGroup for things like 497682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner /// @class foo, bar; 498682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner SingleDecl = ParseObjCAtDirectives(); 499682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner break; 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::minus: 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::plus: 502682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner if (!getLang().ObjC1) { 503682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner Diag(Tok, diag::err_expected_external_declaration); 504682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner ConsumeToken(); 505682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 506682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 507682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner SingleDecl = ParseObjCMethodDefinition(); 508682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner break; 509791215b7a24666912c0b71175d2ca5ba082f666eDouglas Gregor case tok::code_completion: 51023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 511f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall ObjCImpDecl? Sema::PCC_ObjCImplementation 512f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_Namespace); 513dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 514bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt return ParseExternalDeclaration(Attr); 515f780abc21c39cd4731b9e38f2d2d9f7d1510bd7bDouglas Gregor case tok::kw_using: 5168f08cb7d0b97786b17ef05e05caa55aad4d6bd39Chris Lattner case tok::kw_namespace: 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case tok::kw_typedef: 518adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor case tok::kw_template: 519adcac8824a9cff13f1ef61a69e38c1041cba12eeDouglas Gregor case tok::kw_export: // As in 'export template' 520511d7aba3b12853fdb88729a0313b80a60eab8adAnders Carlsson case tok::kw_static_assert: 521bae35118fc5cea2da08567dbb9763af7f906dae2Chris Lattner // A function definition cannot start with a these keywords. 52297144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner { 52397144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner SourceLocation DeclEnd; 524c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian StmtVector Stmts(Actions); 525c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian return ParseDeclaration(Stmts, Declarator::FileContext, DeclEnd, Attr); 52697144fc41a9419bf6d74fc9450e8ef3f6e11f7e0Chris Lattner } 527d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl 5287306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor case tok::kw_static: 5297306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // Parse (then ignore) 'static' prior to a template instantiation. This is 5307306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // a GCC extension that we intentionally do not support. 5317306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor if (getLang().CPlusPlus && NextToken().is(tok::kw_template)) { 5327306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor Diag(ConsumeToken(), diag::warn_static_inline_explicit_inst_ignored) 5337306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor << 0; 534d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl SourceLocation DeclEnd; 535c5be7b0fc804d8e6f87298ec03c94d8cccd74f29Fariborz Jahanian StmtVector Stmts(Actions); 5367306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor return ParseDeclaration(Stmts, Declarator::FileContext, DeclEnd, Attr); 5377306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor } 5387306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor goto dont_know; 5397306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor 5407306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor case tok::kw_inline: 5417306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor if (getLang().CPlusPlus) { 5427306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor tok::TokenKind NextKind = NextToken().getKind(); 5437306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor 5447306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // Inline namespaces. Allowed as an extension even in C++03. 5457306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor if (NextKind == tok::kw_namespace) { 5467306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor SourceLocation DeclEnd; 5477306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor StmtVector Stmts(Actions); 5487306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor return ParseDeclaration(Stmts, Declarator::FileContext, DeclEnd, Attr); 5497306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor } 5507306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor 5517306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // Parse (then ignore) 'inline' prior to a template instantiation. This is 5527306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor // a GCC extension that we intentionally do not support. 5537306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor if (NextKind == tok::kw_template) { 5547306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor Diag(ConsumeToken(), diag::warn_static_inline_explicit_inst_ignored) 5557306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor << 1; 5567306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor SourceLocation DeclEnd; 5577306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor StmtVector Stmts(Actions); 5587306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor return ParseDeclaration(Stmts, Declarator::FileContext, DeclEnd, Attr); 5597306ebfacfa51ba5270fd20f162f62d2ed813485Douglas Gregor } 560d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl } 561d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl goto dont_know; 562d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl 56345f965581935791a018df829a14dff53c1dd8f47Douglas Gregor case tok::kw_extern: 56445f965581935791a018df829a14dff53c1dd8f47Douglas Gregor if (getLang().CPlusPlus && NextToken().is(tok::kw_template)) { 56545f965581935791a018df829a14dff53c1dd8f47Douglas Gregor // Extern templates 56645f965581935791a018df829a14dff53c1dd8f47Douglas Gregor SourceLocation ExternLoc = ConsumeToken(); 56745f965581935791a018df829a14dff53c1dd8f47Douglas Gregor SourceLocation TemplateLoc = ConsumeToken(); 56845f965581935791a018df829a14dff53c1dd8f47Douglas Gregor SourceLocation DeclEnd; 56945f965581935791a018df829a14dff53c1dd8f47Douglas Gregor return Actions.ConvertDeclToDeclGroup( 57045f965581935791a018df829a14dff53c1dd8f47Douglas Gregor ParseExplicitInstantiation(ExternLoc, TemplateLoc, DeclEnd)); 57145f965581935791a018df829a14dff53c1dd8f47Douglas Gregor } 57245f965581935791a018df829a14dff53c1dd8f47Douglas Gregor // FIXME: Detect C++ linkage specifications here? 573d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl goto dont_know; 5741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: 576d078e641450bbc5a20df8d3b54f87b27e398acb3Sebastian Redl dont_know: 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // We can't tell whether this is a function-definition or declaration yet. 57809a63c97b95eb4dc6fd6b2323929e8cf12af03ffDouglas Gregor if (DS) 57909a63c97b95eb4dc6fd6b2323929e8cf12af03ffDouglas Gregor return ParseDeclarationOrFunctionDefinition(*DS, Attr.AttrList); 58009a63c97b95eb4dc6fd6b2323929e8cf12af03ffDouglas Gregor else 58109a63c97b95eb4dc6fd6b2323929e8cf12af03ffDouglas Gregor return ParseDeclarationOrFunctionDefinition(Attr.AttrList); 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 584682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // This routine returns a DeclGroup, if the thing we parsed only contains a 585682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner // single decl, convert it now. 586682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return Actions.ConvertDeclToDeclGroup(SingleDecl); 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5891426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor/// \brief Determine whether the current token, if it occurs after a 5901426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor/// declarator, continues a declaration or declaration list. 591c82daefa3062721e98947e08193cd81b4e9df915Chris Lattnerbool Parser::isDeclarationAfterDeclarator() const { 5921426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor return Tok.is(tok::equal) || // int X()= -> not a function def 5931426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor Tok.is(tok::comma) || // int X(), -> not a function def 5941426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor Tok.is(tok::semi) || // int X(); -> not a function def 5951426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor Tok.is(tok::kw_asm) || // int X() __asm__ -> not a function def 5961426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor Tok.is(tok::kw___attribute) || // int X() __attr__ -> not a function def 5971426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor (getLang().CPlusPlus && 5981426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor Tok.is(tok::l_paren)); // int X(0) -> not a function def [C++] 5991426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor} 6001426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor 6011426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor/// \brief Determine whether the current token, if it occurs after a 6021426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor/// declarator, indicates the start of a function definition. 603004659a56916f2f81ede507c12516c146d6c0df3Chris Lattnerbool Parser::isStartOfFunctionDefinition(const ParsingDeclarator &Declarator) { 604075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(Declarator.isFunctionDeclarator() && "Isn't a function declarator"); 6055d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner if (Tok.is(tok::l_brace)) // int X() {} 6065d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner return true; 6075d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner 608004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner // Handle K&R C argument lists: int X(f) int f; {} 609004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner if (!getLang().CPlusPlus && 610075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Declarator.getFunctionTypeInfo().isKNRPrototype()) 611004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner return isDeclarationSpecifier(); 612004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner 6135d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner return Tok.is(tok::colon) || // X() : Base() {} (used for ctors) 6145d1c6198cfe55f8de025902c621c0721b640ff60Chris Lattner Tok.is(tok::kw_try); // X() try { ... } 6151426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor} 6161426e534b4fca6a05b1120d634aae46be79ca17cDouglas Gregor 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseDeclarationOrFunctionDefinition - Parse either a function-definition or 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// a declaration. We can't tell which we have until we read up to the 619c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor/// compound-statement in function-definition. TemplateParams, if 620c4b4e7b8f6ca9b036824e048af49cd2a52b57cdfDouglas Gregor/// non-NULL, provides the template parameters when we're parsing a 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C++ template-declaration. 6225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// function-definition: [C99 6.9.1] 624a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// decl-specs declarator declaration-list[opt] compound-statement 625a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// [C90] function-definition: [C99 6.7.1] - implicit int result 626a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// [C90] decl-specs[opt] declarator declaration-list[opt] compound-statement 627a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// declaration: [C99 6.7] 629697e15f2a028f8997cccb24ecd05099988cfb1a9Chris Lattner/// declaration-specifiers init-declarator-list[opt] ';' 630697e15f2a028f8997cccb24ecd05099988cfb1a9Chris Lattner/// [!C99] init-declarator-list ';' [TODO: warn in c99 mode] 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OMP] threadprivate-directive [TODO] 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 633682bf92db408a6cbc3d37b5496a99b6ef85041ecChris LattnerParser::DeclGroupPtrTy 6343acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz JahanianParser::ParseDeclarationOrFunctionDefinition(ParsingDeclSpec &DS, 6353acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian AttributeList *Attr, 636bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt AccessSpecifier AS) { 6375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parse the common declaration-specifiers piece. 638bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt if (Attr) 639bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt DS.AddAttributes(Attr); 640bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt 6410efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor ParseDeclarationSpecifiers(DS, ParsedTemplateInfo(), AS, DSC_top_level); 642a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.7.2.3p6: Handle "struct-or-union identifier;", "enum { X };" 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // declaration-specifiers init-declarator-list[opt] ';' 645000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(tok::semi)) { 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 647d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS, DS); 64854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DS.complete(TheDecl); 649682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return Actions.ConvertDeclToDeclGroup(TheDecl); 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 651a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 652246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar // ObjC2 allows prefix attributes on class interfaces and protocols. 653246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar // FIXME: This still needs better diagnostics. We should only accept 654246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar // attributes here, no types, etc. 655000732226610650837478cba97843d19b75f648eChris Lattner if (getLang().ObjC2 && Tok.is(tok::at)) { 656dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation AtLoc = ConsumeToken(); // the "@" 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!Tok.isObjCAtKeyword(tok::objc_interface) && 658246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar !Tok.isObjCAtKeyword(tok::objc_protocol)) { 659246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar Diag(Tok, diag::err_objc_unexpected_attr); 660cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner SkipUntil(tok::semi); // FIXME: better skip? 661682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return DeclGroupPtrTy(); 662cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner } 663d8ac05753dc4506224d445ff98399c01da3136e5John McCall 66454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DS.abort(); 66554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 6660de2ae28c603322f05e2d9200c7d457c8b928983Fariborz Jahanian const char *PrevSpec = 0; 667fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 668fec54013fcd0eb72642741584ca04c1bc292bef8John McCall if (DS.SetTypeSpecType(DeclSpec::TST_unspecified, AtLoc, PrevSpec, DiagID)) 669fec54013fcd0eb72642741584ca04c1bc292bef8John McCall Diag(AtLoc, DiagID) << PrevSpec; 6701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 671d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = 0; 672246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar if (Tok.isObjCAtKeyword(tok::objc_protocol)) 673682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner TheDecl = ParseObjCAtProtocolDeclaration(AtLoc, DS.getAttributes()); 674682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner else 675682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner TheDecl = ParseObjCAtInterfaceDeclaration(AtLoc, DS.getAttributes()); 676682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return Actions.ConvertDeclToDeclGroup(TheDecl); 677dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 678a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 679c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // If the declspec consisted only of 'extern' and we have a string 680c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // literal following it, this must be a C++ linkage specifier like 681c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner // 'extern "C"'. 6823c6f6a7a1bb9969112617a26d2333bab2f6efd65Chris Lattner if (Tok.is(tok::string_literal) && getLang().CPlusPlus && 683c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner DS.getStorageClassSpec() == DeclSpec::SCS_extern && 684682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner DS.getParsedSpecifiers() == DeclSpec::PQ_StorageClassSpecifier) { 685d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *TheDecl = ParseLinkage(DS, Declarator::FileContext); 686682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner return Actions.ConvertDeclToDeclGroup(TheDecl); 687682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 688c6fdc34ac0183bfa03d65f317c78b7bdac52897eChris Lattner 689d8ac05753dc4506224d445ff98399c01da3136e5John McCall return ParseDeclGroup(DS, Declarator::FileContext, true); 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6923acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz JahanianParser::DeclGroupPtrTy 6933acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz JahanianParser::ParseDeclarationOrFunctionDefinition(AttributeList *Attr, 6943acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian AccessSpecifier AS) { 6953acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian ParsingDeclSpec DS(*this); 6963acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian return ParseDeclarationOrFunctionDefinition(DS, Attr, AS); 6973acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian} 6983acd9aaa4ddd14afecb4f1c02ca6f585a6d51849Fariborz Jahanian 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseFunctionDefinition - We parsed and verified that the specified 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Declarator is well formed. If this is a K&R-style function, read the 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// parameters declaration-list, then start the compound-statement. 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 703a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// function-definition: [C99 6.9.1] 704a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// decl-specs declarator declaration-list[opt] compound-statement 705a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner/// [C90] function-definition: [C99 6.7.1] - implicit int result 706a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump/// [C90] decl-specs[opt] declarator declaration-list[opt] compound-statement 7077ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] function-definition: [C++ 8.4] 70823c4b1883b13dc17484b7214091b73f3ba29096eChris Lattner/// decl-specifier-seq[opt] declarator ctor-initializer[opt] 70923c4b1883b13dc17484b7214091b73f3ba29096eChris Lattner/// function-body 7107ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor/// [C++] function-definition: [C++ 8.4] 711d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl/// decl-specifier-seq[opt] declarator function-try-block 7125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 713d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseFunctionDefinition(ParsingDeclarator &D, 714075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara const ParsedTemplateInfo &TemplateInfo) { 715075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara const DeclaratorChunk::FunctionTypeInfo &FTI = D.getFunctionTypeInfo(); 716a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 717a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner // If this is C90 and the declspecs were completely missing, fudge in an 718a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner // implicit int. We do this here because this is the only place where 719a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner // declaration-specifiers are completely optional in the grammar. 7202a327d11a07dfbdf20910cebbae38910eda111fdChris Lattner if (getLang().ImplicitInt && D.getDeclSpec().isEmpty()) { 721a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner const char *PrevSpec; 722fec54013fcd0eb72642741584ca04c1bc292bef8John McCall unsigned DiagID; 72331c286803c60c59d314525e047d0e72f9a1cb55bChris Lattner D.getMutableDeclSpec().SetTypeSpecType(DeclSpec::TST_int, 72431c286803c60c59d314525e047d0e72f9a1cb55bChris Lattner D.getIdentifierLoc(), 725fec54013fcd0eb72642741584ca04c1bc292bef8John McCall PrevSpec, DiagID); 726ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl D.SetRangeBegin(D.getDeclSpec().getSourceRange().getBegin()); 727a798ebc82627ea9cb7a00da07d2b60f9f2114f69Chris Lattner } 728a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this declaration was formed with a K&R-style identifier list for the 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // arguments, parse declarations for all of the args next. 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // int foo(a,b) int a; float b; {} 732004659a56916f2f81ede507c12516c146d6c0df3Chris Lattner if (FTI.isKNRPrototype()) 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParseKNRParamDeclarations(D); 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7357ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // We should have either an opening brace or, in a C++ constructor, 7367ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // we may have a colon. 737d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl if (Tok.isNot(tok::l_brace) && Tok.isNot(tok::colon) && 738d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl Tok.isNot(tok::kw_try)) { 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_fn_body); 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Skip over garbage, until we get to '{'. Don't eat the '{'. 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::l_brace, true, true); 743a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If we didn't find the '{', bail out. 745000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.isNot(tok::l_brace)) 746d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 748a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 749b652cea7d7b70ebe3744fb6d72c9ad9cf3c95429Chris Lattner // Enter a scope for the function body. 7508935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::FnScope|Scope::DeclScope); 751a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 752b652cea7d7b70ebe3744fb6d72c9ad9cf3c95429Chris Lattner // Tell the actions module that we have entered a function definition with the 753b652cea7d7b70ebe3744fb6d72c9ad9cf3c95429Chris Lattner // specified Declarator for the function. 754d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Res = TemplateInfo.TemplateParams? 75523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnStartOfFunctionTemplateDef(getCurScope(), 756f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiTemplateParamsArg(Actions, 75752591bf224b2c43e2b00e265bb8599a620081925Douglas Gregor TemplateInfo.TemplateParams->data(), 75852591bf224b2c43e2b00e265bb8599a620081925Douglas Gregor TemplateInfo.TemplateParams->size()), 75952591bf224b2c43e2b00e265bb8599a620081925Douglas Gregor D) 76023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor : Actions.ActOnStartOfFunctionDef(getCurScope(), D); 761a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 76254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall // Break out of the ParsingDeclarator context before we parse the body. 76354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall D.complete(Res); 76454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 76554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall // Break out of the ParsingDeclSpec context, too. This const_cast is 76654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall // safe because we're always the sole owner. 76754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall D.getMutableDeclSpec().abort(); 76854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 769d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl if (Tok.is(tok::kw_try)) 770d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl return ParseFunctionTryBlock(Res); 771d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl 7727ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // If we have a colon, then we're probably parsing a C++ 7737ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor // ctor-initializer. 774d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall if (Tok.is(tok::colon)) { 7757ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor ParseConstructorInitializer(Res); 776d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall 777d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall // Recover from error. 778d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall if (!Tok.is(tok::l_brace)) { 7799ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.ActOnFinishFunctionBody(Res, 0); 780d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall return Res; 781d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall } 782d6ca8da0f5a4115813055729faaa5128e994806dJohn McCall } else 783393612e6c7727f1fee50039254d9f434364cc0b2Fariborz Jahanian Actions.ActOnDefaultCtorInitializers(Res); 7847ad8390f7992ab7f19b1460c5f0b9d96f165c4e9Douglas Gregor 78540e9bc84a2ab49fc33c2b1a95c6674ab2b820e9eChris Lattner return ParseFunctionStatementBody(Res); 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseKNRParamDeclarations - Parse 'declaration-list[opt]' which provides 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types for a function with a K&R-style identifier list for arguments. 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid Parser::ParseKNRParamDeclarations(Declarator &D) { 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // We know that the top-level of this declarator is a function. 792075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara DeclaratorChunk::FunctionTypeInfo &FTI = D.getFunctionTypeInfo(); 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 79404421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner // Enter function-declaration scope, limiting any declarators to the 79504421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner // function prototype scope, including parameter declarators. 7963218c4bb3b5d7250f12420de6db7ef3e3f805a75Douglas Gregor ParseScope PrototypeScope(this, Scope::FunctionPrototypeScope|Scope::DeclScope); 79704421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Read all the argument declarations. 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (isDeclarationSpecifier()) { 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation DSStart = Tok.getLocation(); 801a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parse the common declaration-specifiers piece. 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DeclSpec DS; 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParseDeclarationSpecifiers(DS); 805a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.9.1p6: 'each declaration in the declaration list shall have at 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // least one declarator'. 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // NOTE: GCC just makes this an ext-warn. It's not clear what it does with 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // the declarations though. It's trivial to ignore them, really hard to do 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // anything else with them. 811000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(tok::semi)) { 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(DSStart, diag::err_declaration_does_not_declare_param); 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer continue; 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 816a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.9.1p6: Declarations shall contain no storage-class specifiers other 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // than register. 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DS.getStorageClassSpec() != DeclSpec::SCS_unspecified && 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DS.getStorageClassSpec() != DeclSpec::SCS_register) { 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(DS.getStorageClassSpecLoc(), 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer diag::err_invalid_storage_class_in_func_decl); 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DS.ClearStorageClassSpecs(); 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DS.isThreadSpecified()) { 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(DS.getThreadSpecLoc(), 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer diag::err_invalid_storage_class_in_func_decl); 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DS.ClearStorageClassSpecs(); 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 830a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parse the first declarator attached to this declspec. 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Declarator ParmDeclarator(DS, Declarator::KNRTypeListContext); 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParseDeclarator(ParmDeclarator); 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Handle the full declarator list. 8365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If attributes are present, parse them. 83833efe2f088ae40b5129fe4ab021912e80129e155Richard Pennington if (Tok.is(tok::kw___attribute)) { 83933efe2f088ae40b5129fe4ab021912e80129e155Richard Pennington SourceLocation Loc; 84033efe2f088ae40b5129fe4ab021912e80129e155Richard Pennington AttributeList *AttrList = ParseGNUAttributes(&Loc); 84133efe2f088ae40b5129fe4ab021912e80129e155Richard Pennington ParmDeclarator.AddAttributes(AttrList, Loc); 84233efe2f088ae40b5129fe4ab021912e80129e155Richard Pennington } 843a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Ask the actions module to compute the type for this declarator. 845d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = 84623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnParamDeclarator(getCurScope(), ParmDeclarator); 8472bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff 848a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump if (Param && 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // A missing identifier has already been diagnosed. 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParmDeclarator.getIdentifier()) { 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Scan the argument list looking for the correct param to apply this 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type. 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; ; ++i) { 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.9.1p6: those declarators shall declare only identifiers from 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // the identifier list. 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (i == FTI.NumArgs) { 8581ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(ParmDeclarator.getIdentifierLoc(), diag::err_no_matching_param) 8596898e33d0b28346a4dbe9a666e0e4188fea80460Chris Lattner << ParmDeclarator.getIdentifier(); 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 862a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (FTI.ArgInfo[i].Ident == ParmDeclarator.getIdentifier()) { 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Reject redefinitions of parameters. 86504421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner if (FTI.ArgInfo[i].Param) { 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(ParmDeclarator.getIdentifierLoc(), 8671ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner diag::err_param_redefinition) 8686898e33d0b28346a4dbe9a666e0e4188fea80460Chris Lattner << ParmDeclarator.getIdentifier(); 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } else { 87004421087832a031c90bd58f128c7c0e741db8dd2Chris Lattner FTI.ArgInfo[i].Param = Param; 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If we don't have a comma, it is either the end of the list (a ';') or 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // an error, bail out. 879000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.isNot(tok::comma)) 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 881a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the comma. 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 884a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Parse the next declarator. 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParmDeclarator.clear(); 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParseDeclarator(ParmDeclarator); 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 889a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 890000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(tok::semi)) { 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } else { 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_parse_error); 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Skip to end of block or statement 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi, true); 896000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.is(tok::semi)) 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 900a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The actions module must verify that all arguments were declared. 90223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFinishKNRParamDeclarations(getCurScope(), D, Tok.getLocation()); 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseAsmStringLiteral - This is just a normal string-literal, but is not 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// allowed to be a wide string, and is not subject to character translation. 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [GNU] asm-string-literal: 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// string-literal 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 91260d7b3a319d84d688752be3870615ac0f111fb16John McCallParser::ExprResult Parser::ParseAsmStringLiteral() { 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!isTokenStringLiteral()) { 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_string_literal); 91561364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl return ExprError(); 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 917a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 91860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseStringLiteralExpression()); 919effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl if (Res.isInvalid()) return move(Res); 920a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // TODO: Diagnose: wide string literal in 'asm' 922a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 923effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl return move(Res); 9245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 9255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParseSimpleAsm 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [GNU] simple-asm-expr: 9295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'asm' '(' asm-string-literal ')' 9305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 93160d7b3a319d84d688752be3870615ac0f111fb16John McCallParser::ExprResult Parser::ParseSimpleAsm(SourceLocation *EndLoc) { 932000732226610650837478cba97843d19b75f648eChris Lattner assert(Tok.is(tok::kw_asm) && "Not an asm!"); 933dfab6cb59a703f2ce4d58371652ce879f4c85a09Anders Carlsson SourceLocation Loc = ConsumeToken(); 934a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 9357a6ae743b2ecfdfadadf7df53b569a9a3871a8fdJohn McCall if (Tok.is(tok::kw_volatile)) { 936841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall // Remove from the end of 'asm' to the end of 'volatile'. 937841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall SourceRange RemovalRange(PP.getLocForEndOfToken(Loc), 938841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall PP.getLocForEndOfToken(Tok.getLocation())); 939841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall 940841d5e607f81bf5627e47d0c62ead29f28b5b0c2John McCall Diag(Tok, diag::warn_file_asm_volatile) 941849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(RemovalRange); 9427a6ae743b2ecfdfadadf7df53b569a9a3871a8fdJohn McCall ConsumeToken(); 9437a6ae743b2ecfdfadadf7df53b569a9a3871a8fdJohn McCall } 9447a6ae743b2ecfdfadadf7df53b569a9a3871a8fdJohn McCall 945000732226610650837478cba97843d19b75f648eChris Lattner if (Tok.isNot(tok::l_paren)) { 9461ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "asm"; 94761364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl return ExprError(); 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 949a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 950ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = ConsumeParen(); 951a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 95260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result(ParseAsmStringLiteral()); 953a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 954ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (Result.isInvalid()) { 955ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl SkipUntil(tok::r_paren, true, true); 956ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 957ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Tok.getLocation(); 958ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl ConsumeAnyToken(); 959ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } else { 960ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl Loc = MatchRHSPunctuation(tok::r_paren, Loc); 961ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl if (EndLoc) 962ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl *EndLoc = Loc; 963ab197baec16bacade82325fb274cf6b992ac5d8aSebastian Redl } 964a6f0177a864ac478eb9890319f2e8ea03695e91dMike Stump 965effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl return move(Result); 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 968eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// TryAnnotateTypeOrScopeToken - If the current token position is on a 969eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// typename (possibly qualified in C++) or a C++ scope specifier not followed 970eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// by a typename, TryAnnotateTypeOrScopeToken will replace one or more tokens 971eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// with a single annotation token representing the typename or C++ scope 972eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// respectively. 973eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// This simplifies handling of C++ scope specifiers and allows efficient 974eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// backtracking without the need to re-parse and resolve nested-names and 975eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// typenames. 97644802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// It will mainly be called when we expect to treat identifiers as typenames 97744802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// (if they are typenames). For example, in C we do not expect identifiers 97844802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// inside expressions to be treated as typenames so it will not be called 97944802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// for expressions in C. 98044802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// The benefit for C/ObjC is that a typename will be annotated and 981b43a50ff1b0b171ece84425b0ad83a9a31f038faSteve Naroff/// Actions.getTypeName will not be needed to be called again (e.g. getTypeName 98244802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// will not be called twice, once to check whether we have a declaration 98344802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// specifier, and another one to get the actual type inside 98444802cc435d5122701e4f1a9354381cff4b171c0Argyrios Kyrtzidis/// ParseDeclarationSpecifiers). 985a7bc7c880f86bc180684ef032d06df51bcae7a23Chris Lattner/// 9869ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall/// This returns true if an error occurred. 9871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 98855a7cefc846765ac7d142a63f773747a20518d71Chris Lattner/// Note that this routine emits an error if you call it with ::new or ::delete 98955a7cefc846765ac7d142a63f773747a20518d71Chris Lattner/// as the current tokens, so only call it in contexts where these are invalid. 990495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregorbool Parser::TryAnnotateTypeOrScopeToken(bool EnteringContext) { 9911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((Tok.is(tok::identifier) || Tok.is(tok::coloncolon) 992ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall || Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope)) && 9937452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner "Cannot be a type or scope token!"); 9941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 995d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Tok.is(tok::kw_typename)) { 996d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Parse a C++ typename-specifier, e.g., "typename T::type". 997d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // 998d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // typename-specifier: 999d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // 'typename' '::' [opt] nested-name-specifier identifier 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 'typename' '::' [opt] nested-name-specifier template [opt] 10011734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor // simple-template-id 1002d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor SourceLocation TypenameLoc = ConsumeToken(); 1003d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor CXXScopeSpec SS; 1004b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/ParsedType(), false)) 10059ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 10069ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall if (!SS.isSet()) { 1007d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Diag(Tok.getLocation(), diag::err_expected_qualified_after_typename); 10089ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 1009d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1010d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1011d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypeResult Ty; 1012d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Tok.is(tok::identifier)) { 1013d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // FIXME: check whether the next token is '<', first! 101423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Ty = Actions.ActOnTypenameType(getCurScope(), TypenameLoc, SS, 10151a15dae8be2b28e02b6639aa92b832465c5be420Douglas Gregor *Tok.getIdentifierInfo(), 1016d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Tok.getLocation()); 10171734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } else if (Tok.is(tok::annot_template_id)) { 10181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 10191734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 10201734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (TemplateId->Kind == TNK_Function_template) { 10211734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Diag(Tok, diag::err_typename_refers_to_non_type_template) 10221734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor << Tok.getAnnotationRange(); 10239ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 10241734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 1025d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 102631a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(0); 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Tok.is(tok::annot_typename) && 10281734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "AnnotateTemplateIdTokenAsType isn't working properly"); 102931a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor if (Tok.getAnnotationValue()) 103023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Ty = Actions.ActOnTypenameType(getCurScope(), TypenameLoc, SS, 10311a15dae8be2b28e02b6639aa92b832465c5be420Douglas Gregor SourceLocation(), 1032b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall getTypeAnnotation(Tok)); 103331a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor else 103431a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor Ty = true; 10351734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } else { 10361734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Diag(Tok, diag::err_expected_type_name_after_typename) 10371734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor << SS.getRange(); 10389ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 10391734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 10401734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 104139d67117f896c6e2faa727671ef64b3c04b0e3feSebastian Redl SourceLocation EndLoc = Tok.getLastLoc(); 10421734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Tok.setKind(tok::annot_typename); 1043b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall setTypeAnnotation(Tok, Ty.isInvalid() ? ParsedType() : Ty.get()); 104439d67117f896c6e2faa727671ef64b3c04b0e3feSebastian Redl Tok.setAnnotationEndLoc(EndLoc); 10451734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Tok.setLocation(TypenameLoc); 10461734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor PP.AnnotateCachedTokens(Tok); 10479ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 1048d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1049d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1050ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall // Remembers whether the token was originally a scope annotation. 1051ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall bool wasScopeAnnotation = Tok.is(tok::annot_cxxscope); 1052ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall 1053eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis CXXScopeSpec SS; 10544bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis if (getLang().CPlusPlus) 1055b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), EnteringContext)) 10569ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 1057eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1058eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis if (Tok.is(tok::identifier)) { 1059608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // Determine whether the identifier is a type name. 1060b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParsedType Ty = Actions.getTypeName(*Tok.getIdentifierInfo(), 1061b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Tok.getLocation(), getCurScope(), 1062b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall &SS)) { 1063608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // This is a typename. Replace the current token in-place with an 1064608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // annotation type token. 1065b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner Tok.setKind(tok::annot_typename); 1066b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall setTypeAnnotation(Tok, Ty); 1067608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner Tok.setAnnotationEndLoc(Tok.getLocation()); 1068608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner if (SS.isNotEmpty()) // it was a C++ qualified type name. 1069608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner Tok.setLocation(SS.getBeginLoc()); 10701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1071608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // In case the tokens were cached, have Preprocessor replace 1072608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // them with the annotation token. 1073608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner PP.AnnotateCachedTokens(Tok); 10749ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 107639a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor 107739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (!getLang().CPlusPlus) { 1078608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // If we're in C, we can't have :: tokens at all (the lexer won't return 1079608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner // them). If the identifier is not a type, then it can't be scope either, 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // just early exit. 1081608d1fc9c4db3e3769f03a4f989d7692aefbf073Chris Lattner return false; 1082eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis } 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // If this is a template-id, annotate with a template-id or type token. 108555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor if (NextToken().is(tok::less)) { 10867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateTy Template; 1087014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor UnqualifiedId TemplateName; 1088014e88d94ff83e3aad4e33b16413a2d1817ec208Douglas Gregor TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); 10891fd6d44d7ca97631497551bbf98866263143d706Douglas Gregor bool MemberOfUnknownSpecialization; 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (TemplateNameKind TNK 10917c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara = Actions.isTemplateName(getCurScope(), SS, 10927c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara /*hasTemplateKeyword=*/false, TemplateName, 1093b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall /*ObjectType=*/ ParsedType(), 1094b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall EnteringContext, 10957c15353ccaed24f2df932571166bf305c1b98b6dAbramo Bagnara Template, MemberOfUnknownSpecialization)) { 1096ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor // Consume the identifier. 1097ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor ConsumeToken(); 1098ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (AnnotateTemplateIdToken(Template, TNK, &SS, TemplateName)) { 1099c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner // If an unrecoverable error occurred, we need to return true here, 1100c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner // because the token stream is in a damaged state. We may not return 1101c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner // a valid identifier. 11029ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 1103c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner } 1104ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 110555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 1106d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 110739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // The current token, which is either an identifier or a 110839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // template-id, is not part of the annotation. Fall through to 110939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // push that token back into the stream and complete the C++ scope 111039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // specifier annotation. 11111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1112eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 111339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor if (Tok.is(tok::annot_template_id)) { 11141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateIdAnnotation *TemplateId 111539a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); 1116c45c232440dfafedca1a3773b904fb42609b1b19Douglas Gregor if (TemplateId->Kind == TNK_Type_template) { 111739a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // A template-id that refers to a type was parsed into a 111839a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // template-id annotation in a context where we weren't allowed 111939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // to produce a type annotation token. Update the template-id 112039a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor // annotation token to a type annotation token now. 112131a19b6989bbf326d2de5ae12e712e2a65ca9c34Douglas Gregor AnnotateTemplateIdTokenAsType(&SS); 11229ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 112339a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 112439a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor } 1125d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 11266ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner if (SS.isEmpty()) 11279ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11296ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner // A C++ scope specifier that isn't followed by a typename. 11306ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner // Push the current token back into the token stream (or revert it if it is 11316ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner // cached) and use an annotation scope token for current token. 11326ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner if (PP.isBacktrackEnabled()) 11336ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner PP.RevertCachedTokens(1); 11346ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner else 11356ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner PP.EnterToken(Tok); 11366ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner Tok.setKind(tok::annot_cxxscope); 11373507369940bfb269551bfa1fec812481f60e3552Douglas Gregor Tok.setAnnotationValue(SS.getScopeRep()); 11386ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner Tok.setAnnotationRange(SS.getRange()); 11396ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner 1140ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall // In case the tokens were cached, have Preprocessor replace them 1141ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall // with the annotation token. We don't need to do this if we've 1142ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall // just reverted back to the state we were in before being called. 1143ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall if (!wasScopeAnnotation) 1144ae03cb5a84d13c7a0d4b21865bd63aabd18120d2John McCall PP.AnnotateCachedTokens(Tok); 11459ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 1146eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 1147eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 1148eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis/// TryAnnotateScopeToken - Like TryAnnotateTypeOrScopeToken but only 114939a8de10c18365bde7062d8959b7ed525449c561Douglas Gregor/// annotates C++ scope specifiers and template-ids. This returns 1150c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner/// true if the token was annotated or there was an error that could not be 1151c8e27cc402043ec86c1698c09e4ee9e415b16207Chris Lattner/// recovered from. 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 115355a7cefc846765ac7d142a63f773747a20518d71Chris Lattner/// Note that this routine emits an error if you call it with ::new or ::delete 115455a7cefc846765ac7d142a63f773747a20518d71Chris Lattner/// as the current tokens, so only call it in contexts where these are invalid. 1155495c35d291da48c4f5655bbb54d15128ddde0d4dDouglas Gregorbool Parser::TryAnnotateCXXScopeToken(bool EnteringContext) { 11564bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis assert(getLang().CPlusPlus && 11576ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner "Call sites of this function should be guarded by checking for C++"); 11587452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner assert((Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) && 11597452c6fc567ea1799f617395d0fa4c7ed075e5d9Chris Lattner "Cannot be a type or scope token!"); 1160eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 11614bdd91c09fd59e0c154d759288beff300e31e1d0Argyrios Kyrtzidis CXXScopeSpec SS; 1162b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), EnteringContext)) 11639ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return true; 1164edc287751a4b05e3b4d8ff2b38fa30c5b59a548bJeffrey Yasskin if (SS.isEmpty()) 11659ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 1166eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis 11676ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner // Push the current token back into the token stream (or revert it if it is 11686ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner // cached) and use an annotation scope token for current token. 11696ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner if (PP.isBacktrackEnabled()) 11706ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner PP.RevertCachedTokens(1); 11716ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner else 11726ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner PP.EnterToken(Tok); 11736ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner Tok.setKind(tok::annot_cxxscope); 11743507369940bfb269551bfa1fec812481f60e3552Douglas Gregor Tok.setAnnotationValue(SS.getScopeRep()); 11756ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner Tok.setAnnotationRange(SS.getRange()); 11766ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner 11776ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner // In case the tokens were cached, have Preprocessor replace them with the 11786ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner // annotation token. 11796ec76d45bd3111013c357f16e08720407c2f9ae8Chris Lattner PP.AnnotateCachedTokens(Tok); 11809ba6166f4a78722e7df8ffbd64eb788bfdf2764aJohn McCall return false; 1181eb83ecde1a822b1c38cd060a85a08c1ac9f82cf8Argyrios Kyrtzidis} 11826c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall 1183a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidisbool Parser::isTokenEqualOrMistypedEqualEqual(unsigned DiagID) { 1184a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis if (Tok.is(tok::equalequal)) { 1185a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis // We have '==' in a context that we would expect a '='. 1186a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis // The user probably made a typo, intending to type '='. Emit diagnostic, 1187a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis // fixit hint to turn '==' -> '=' and continue as if the user typed '='. 1188a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis Diag(Tok, DiagID) 1189a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis << FixItHint::CreateReplacement(SourceRange(Tok.getLocation()), 1190a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis getTokenSimpleSpelling(tok::equal)); 1191a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis return true; 1192a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis } 1193a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis 1194a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis return Tok.is(tok::equal); 1195a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis} 1196a6eb5f81d13bacac01faff70a947047725b4413fArgyrios Kyrtzidis 1197dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregorvoid Parser::CodeCompletionRecovery() { 119823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor for (Scope *S = getCurScope(); S; S = S->getParent()) { 1199dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor if (S->getFlags() & Scope::FnScope) { 1200f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_RecoveryInFunction); 1201dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor return; 1202dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor } 1203dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 1204dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor if (S->getFlags() & Scope::ClassScope) { 1205f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Class); 1206dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor return; 1207dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor } 1208dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor } 1209dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 1210f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Namespace); 1211dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor} 1212dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor 12136c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall// Anchor the Parser::FieldCallback vtable to this translation unit. 12146c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall// We use a spurious method instead of the destructor because 12156c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall// destroying FieldCallbacks can actually be slightly 12166c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall// performance-sensitive. 12176c94a6d77f456f23ecd4c2061e6413786b5e6571John McCallvoid Parser::FieldCallback::_anchor() { 12186c94a6d77f456f23ecd4c2061e6413786b5e6571John McCall} 1219f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor 1220f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor// Code-completion pass-through functions 1221f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor 1222f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregorvoid Parser::CodeCompleteDirective(bool InConditional) { 1223f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor Actions.CodeCompletePreprocessorDirective(InConditional); 1224f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor} 1225f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor 1226f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregorvoid Parser::CodeCompleteInConditionalExclusion() { 1227f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor Actions.CodeCompleteInPreprocessorConditionalExclusion(getCurScope()); 1228f44e854ed1e3aa86d2ed6d615ccd109d50ddcff9Douglas Gregor} 12291fbb447e9d43c2c676e94081fbfee7eb6cbe933bDouglas Gregor 12301fbb447e9d43c2c676e94081fbfee7eb6cbe933bDouglas Gregorvoid Parser::CodeCompleteMacroName(bool IsDefinition) { 1231f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor Actions.CodeCompletePreprocessorMacroName(IsDefinition); 1232f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor} 1233f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor 1234f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregorvoid Parser::CodeCompletePreprocessorExpression() { 1235f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor Actions.CodeCompletePreprocessorExpression(); 1236f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor} 1237f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor 1238f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregorvoid Parser::CodeCompleteMacroArgument(IdentifierInfo *Macro, 1239f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor MacroInfo *MacroInfo, 1240f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor unsigned ArgumentIndex) { 1241f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor Actions.CodeCompletePreprocessorMacroArgument(getCurScope(), Macro, MacroInfo, 1242f29c5233085a5af795c3c01b94d319e5b3235d56Douglas Gregor ArgumentIndex); 12431fbb447e9d43c2c676e94081fbfee7eb6cbe933bDouglas Gregor} 124455817afdf9d453a443262a733f6caf6692dca118Douglas Gregor 124555817afdf9d453a443262a733f6caf6692dca118Douglas Gregorvoid Parser::CodeCompleteNaturalLanguage() { 124655817afdf9d453a443262a733f6caf6692dca118Douglas Gregor Actions.CodeCompleteNaturalLanguage(); 124755817afdf9d453a443262a733f6caf6692dca118Douglas Gregor} 1248