ParseObjc.cpp revision 77bfb8b43ec3f7dee3a71f6e854b03ad29dab84f
1a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek//===--- ParseObjC.cpp - Objective C Parsing ------------------------------===// 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 Objective-C portions of the Parser interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 1519510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Parse/Parser.h" 160fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor#include "RAIIObjectsForParser.h" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 18f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 1919510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/Scope.h" 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24891dca671a80c865c6def7259f170ba785e4faaaChris Lattner/// ParseObjCAtDirectives - Handle parts of the external-declaration production: 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 2791fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 2891fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 2991fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 3091fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 3191fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 3295ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::DeclGroupPtrTy Parser::ParseObjCAtDirectives() { 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 36a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 377d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 387d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return DeclGroupPtrTy(); 39c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 4095ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian 4195ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian Decl *SingleDecl = 0; 42861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 435ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 445ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 457f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_interface: { 460b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 4795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtInterfaceDeclaration(AtLoc, attrs); 4895ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 497f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 507f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_protocol: { 510b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 52bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return ParseObjCAtProtocolDeclaration(AtLoc, attrs); 537f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 545ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 55849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return ParseObjCAtImplementationDeclaration(AtLoc); 565ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 57140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return ParseObjCAtEndDeclaration(AtLoc); 585ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 5995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtAliasDeclaration(AtLoc); 6095ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 615ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 6295ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCPropertySynthesize(AtLoc); 6395ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 645ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 6595ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCPropertyDynamic(AtLoc); 6695ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 675948ae1021122164b22f74353bb7fe325a64f616Douglas Gregor case tok::objc_import: 6894ad28b31433058445a27db722f60402ee820beaDouglas Gregor if (getLang().Modules) 6994ad28b31433058445a27db722f60402ee820beaDouglas Gregor return ParseModuleImport(AtLoc); 7094ad28b31433058445a27db722f60402ee820beaDouglas Gregor 7194ad28b31433058445a27db722f60402ee820beaDouglas Gregor // Fall through 7294ad28b31433058445a27db722f60402ee820beaDouglas Gregor 735ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 745ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 755ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 7695ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = 0; 7795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(SingleDecl); 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 8695ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::DeclGroupPtrTy 8795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 895f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 8> ClassNames; 905f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ClassLocs; 91c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 94df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 9795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(0); 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 100c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 1021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 103df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 1051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 11195ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(0); 1121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 114c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 115c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 118d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggenvoid Parser::CheckNestedObjCContexts(SourceLocation AtLoc) 119d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen{ 120d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Sema::ObjCContainerKind ock = Actions.getObjCContainerKind(); 121d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (ock == Sema::OCK_None) 122d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen return; 123d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 124849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Decl *Decl = Actions.getObjCDeclContext(); 125849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) { 126849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl->finish(AtLoc); 127849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } else { 128849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Actions.ActOnAtEnd(getCurScope(), AtLoc); 129849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 130d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(AtLoc, diag::err_objc_missing_end) 131d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(AtLoc, "@end\n"); 132d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (Decl) 133d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(Decl->getLocStart(), diag::note_objc_container_start) 134d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) ock; 135d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen} 136d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 137dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 138dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 139dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 140dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 141dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 142dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 1431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 144dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 146dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 147dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 149dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 151dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 152dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 153dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 154dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 155dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 156dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 157dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 158dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 159dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 160dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 161dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 162dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 163dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 164dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 165d64251fd56577dd5c78903454632361e094c6dc1Erik VerbruggenDecl *Parser::ParseObjCAtInterfaceDeclaration(SourceLocation AtLoc, 1667f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 167861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 168dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 169d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen CheckNestedObjCContexts(AtLoc); 170dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1723b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@interface'. 1733b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 17423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceDecl(getCurScope()); 1757d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1767d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1773b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 1783b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 179df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 180dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 181d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 182dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 18363e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 184dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1857ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 186dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 1875512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::l_paren) && 1885512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian !isKnownToBeTypeSpecifier(GetLookAheadToken(1))) { // we have a category. 1894a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 1904a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 1914a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 1924a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 1934a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor SourceLocation categoryLoc; 194dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 19533ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 19623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceCategory(getCurScope(), nameId, nameLoc); 1977d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1987d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 19933ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 20033ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 201527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 202df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 203dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 204dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 20505511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 20605511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian else if (!getLang().ObjC2) { 207527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 208d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 209dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 2104a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2114a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 2124a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.getCloseLocation().isInvalid()) 213d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 21413d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor 21513d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor if (!attrs.empty()) { // categories don't support attributes. 21613d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor Diag(nameLoc, diag::err_objc_no_attributes_on_category); 21713d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor attrs.clear(); 218dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 21913d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor 2205512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian // Next, we need to check for any protocol references. 2215512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian SourceLocation LAngleLoc, EndProtoLoc; 2225f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 2235f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 2245512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::less) && 2255512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 22671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 227d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 22805511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian 229d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *CategoryType = 230d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Actions.ActOnStartCategoryInterface(AtLoc, 2315512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian nameId, nameLoc, 2325512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian categoryId, categoryLoc, 2335512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.data(), 2345512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.size(), 2355512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolLocs.data(), 2365512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian EndProtoLoc); 237e6f07f538fd0eddd6c087fcc01d4e4ff19129c71Fariborz Jahanian 238a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (Tok.is(tok::l_brace)) 239d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen ParseObjCClassInstanceVariables(CategoryType, tok::objc_private, AtLoc); 240a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 2412f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_not_keyword, CategoryType); 2425512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return CategoryType; 243dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 244dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 245dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 246dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 2477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 248df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 249dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 2503b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 2513b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion of superclass names. 2523b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 25323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperclass(getCurScope(), nameId, nameLoc); 2547d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2557d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 2563b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 2573b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 258df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 259dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 260d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 261dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 262dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 263dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 264dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 265dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 2665f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 2675f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 26871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 26906036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 27071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 27171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 272d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 2731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 274d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ClsType = 275d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Actions.ActOnStartClassInterface(AtLoc, nameId, nameLoc, 27606036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 277beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 27818df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 2797f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 281df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 282d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen ParseObjCClassInstanceVariables(ClsType, tok::objc_protected, AtLoc); 283dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 2842f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_interface, ClsType); 2855512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return ClsType; 286dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 287dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 288d0014540005f2a5ab837365db6bd40f479406758John McCall/// The Objective-C property callback. This should be defined where 289d0014540005f2a5ab837365db6bd40f479406758John McCall/// it's used, but instead it's been lifted to here to support VS2005. 290d0014540005f2a5ab837365db6bd40f479406758John McCallstruct Parser::ObjCPropertyCallback : FieldCallback { 29199ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikieprivate: 29299ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 29399ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikiepublic: 294d0014540005f2a5ab837365db6bd40f479406758John McCall Parser &P; 2955f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &Props; 296d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS; 297d0014540005f2a5ab837365db6bd40f479406758John McCall SourceLocation AtLoc; 29877bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian SourceLocation LParenLoc; 299d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind; 300d0014540005f2a5ab837365db6bd40f479406758John McCall 301a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback(Parser &P, 3025f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &Props, 303d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 30477bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian SourceLocation LParenLoc, 305d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind) : 30677bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian P(P), Props(Props), OCDS(OCDS), AtLoc(AtLoc), LParenLoc(LParenLoc), 307d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind(MethodImplKind) { 308d0014540005f2a5ab837365db6bd40f479406758John McCall } 309d0014540005f2a5ab837365db6bd40f479406758John McCall 310d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 311d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.D.getIdentifier() == 0) { 312d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 313d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 314d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 315d0014540005f2a5ab837365db6bd40f479406758John McCall } 316d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.BitfieldSize) { 317d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 318d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 319d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 320d0014540005f2a5ab837365db6bd40f479406758John McCall } 321d0014540005f2a5ab837365db6bd40f479406758John McCall 322d0014540005f2a5ab837365db6bd40f479406758John McCall // Install the property declarator into interfaceDecl. 323d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SelName = 324d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 325d0014540005f2a5ab837365db6bd40f479406758John McCall 326d0014540005f2a5ab837365db6bd40f479406758John McCall Selector GetterSel = 327d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 328d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 329d0014540005f2a5ab837365db6bd40f479406758John McCall Selector SetterSel; 330d0014540005f2a5ab837365db6bd40f479406758John McCall if (SetterName) 331d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 332d0014540005f2a5ab837365db6bd40f479406758John McCall else 333d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = SelectorTable::constructSetterName(P.PP.getIdentifierTable(), 334d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable(), 335d0014540005f2a5ab837365db6bd40f479406758John McCall FD.D.getIdentifier()); 336d0014540005f2a5ab837365db6bd40f479406758John McCall bool isOverridingProperty = false; 337d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Property = 33877bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian P.Actions.ActOnProperty(P.getCurScope(), AtLoc, LParenLoc, 33977bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian FD, OCDS, 340a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian GetterSel, SetterSel, 341d0014540005f2a5ab837365db6bd40f479406758John McCall &isOverridingProperty, 342d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind); 343d0014540005f2a5ab837365db6bd40f479406758John McCall if (!isOverridingProperty) 344d0014540005f2a5ab837365db6bd40f479406758John McCall Props.push_back(Property); 345d0014540005f2a5ab837365db6bd40f479406758John McCall 346d0014540005f2a5ab837365db6bd40f479406758John McCall return Property; 347d0014540005f2a5ab837365db6bd40f479406758John McCall } 348d0014540005f2a5ab837365db6bd40f479406758John McCall}; 349d0014540005f2a5ab837365db6bd40f479406758John McCall 35099ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid Parser::ObjCPropertyCallback::anchor() { 35199ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie} 35299ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 353dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 354dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 355dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 356294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 3573536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 358dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 359dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 360dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 361294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 362294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 363294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 364294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 3652f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(tok::ObjCKeywordKind contextKey, 3662f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian Decl *CDecl) { 3675f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> allMethods; 3685f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 16> allProperties; 3695f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclGroupPtrTy, 8> allTUVariables; 37000933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 372782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceRange AtEnd; 3732f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian 374294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 375e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 376df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 377d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *methodPrototype = 378a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCMethodPrototype(MethodImplKind, false); 37925e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 3803536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 3813536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 3820db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis if (ExpectAndConsumeSemi(diag::err_expected_semi_after_method_proto)) { 3830db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis // We didn't find a semi and we error'ed out. Skip until a ';' or '@'. 3840db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis SkipUntil(tok::at, /*StopAtSemi=*/true, /*DontConsume=*/true); 3850db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis if (Tok.is(tok::semi)) 3860db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis ConsumeToken(); 3870db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis } 388294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 389294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 39005511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian if (Tok.is(tok::l_paren)) { 39105511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian Diag(Tok, diag::err_expected_minus_or_plus); 392d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParseObjCMethodDecl(Tok.getLocation(), 393d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::minus, 39490ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, false); 39505511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian continue; 39605511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 397e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 398e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 399294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 400e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 401e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 4021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 403bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 404e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 405e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 407b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor // Code completion within an Objective-C interface. 408b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor if (Tok.is(tok::code_completion)) { 40923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 410849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl? Sema::PCC_ObjCImplementation 411f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_ObjCInterface); 4127d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 413b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor } 414b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor 415e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 416e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 4171fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 4181fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 4191fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 4201fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 4211fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 4220b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 4237f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall allTUVariables.push_back(ParseDeclarationOrFunctionDefinition(attrs)); 424e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 425e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 427e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 428e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 429c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 430a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 4317d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 432c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 433c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 434a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 436a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 437782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setBegin(AtLoc); 438782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setEnd(Tok.getLocation()); 439e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 440c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor } else if (DirectiveKind == tok::objc_not_keyword) { 441c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor Diag(Tok, diag::err_objc_unknown_at); 442c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor SkipUntil(tok::semi); 443c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor continue; 444bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 446bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 447bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 448bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 449a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 450a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 451bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 452bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 453bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 454bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 455f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 456bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 457a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 458a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 45946d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 46046d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian case tok::objc_implementation: 461df81c2c6ce37f4ae3c45dd01093b6274fa0b6692Fariborz Jahanian case tok::objc_interface: 462d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(AtLoc, diag::err_objc_missing_end) 463d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(AtLoc, "@end\n"); 464d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(CDecl->getLocStart(), diag::note_objc_container_start) 465d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) Actions.getObjCContainerKind(); 46646d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian ConsumeToken(); 46746d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian break; 46846d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 469a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 470a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 471a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 472bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 473e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 474bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 475a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 476bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 477a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 479a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 480f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 481b321c0c0ba957d78475e72cebde4028fdaa00f8fChris Lattner Diag(AtLoc, diag::err_objc_properties_require_objc2); 482f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 483e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 48477bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian SourceLocation LParenLoc; 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 48677bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian if (Tok.is(tok::l_paren)) { 48777bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian LParenLoc = Tok.getLocation(); 488a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCPropertyAttribute(OCDS); 48977bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian } 4901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 491a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback Callback(*this, allProperties, 49277bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian OCDS, AtLoc, LParenLoc, MethodImplKind); 493bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 494e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 4950b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 496bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 4971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4987da19ea50d4161fcda40d135735bcf450cabeb50John McCall ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list); 499a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 500f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 501294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 502bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 503bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 504bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 505c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 506a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 5077d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 508d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } else if (Tok.isObjCAtKeyword(tok::objc_end)) { 509bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 510d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } else { 511d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(Tok, diag::err_objc_missing_end) 512d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(Tok.getLocation(), "\n@end\n"); 513d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(CDecl->getLocStart(), diag::note_objc_container_start) 514d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) Actions.getObjCContainerKind(); 515d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtEnd.setBegin(Tok.getLocation()); 516d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtEnd.setEnd(Tok.getLocation()); 517d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } 5181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 519a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 520bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 521a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnAtEnd(getCurScope(), AtEnd, 5221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump allMethods.data(), allMethods.size(), 523beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allProperties.data(), allProperties.size(), 524beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allTUVariables.data(), allTUVariables.size()); 525294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 526294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 527d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 528d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 529d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 530d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 531d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 532d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 533d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 534d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 535d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 536d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 537d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 538d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 539d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 540d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 541d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 542f85e193739c953358c865005855253af4f68a497John McCall/// atomic 543f85e193739c953358c865005855253af4f68a497John McCall/// strong 544f85e193739c953358c865005855253af4f68a497John McCall/// weak 545f85e193739c953358c865005855253af4f68a497John McCall/// unsafe_unretained 546d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 547a28948f34817476d02412fa204cae038e228c827Fariborz Jahanianvoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 5488ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 5494a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 5504a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 5511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 552cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 553ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 55423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyFlags(getCurScope(), DS); 5557d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 556ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 557d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 559f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 560f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 5614a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 562f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 563f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 5641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 565156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 5661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 568e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 56992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 570e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 571f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("unsafe_unretained")) 572f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_unsafe_unretained); 57392e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 574e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 57592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 576e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 577f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("strong")) 578f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_strong); 57992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 580e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 58192e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 582e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 58345937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian else if (II->isStr("atomic")) 58445937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_atomic); 585f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("weak")) 586f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_weak); 58792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 58842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson bool IsSetter = II->getNameStart()[0] == 's'; 58942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 590e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 59142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson unsigned DiagID = IsSetter ? diag::err_objc_expected_equal_for_setter : 59242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson diag::err_objc_expected_equal_for_getter; 59342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 59442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (ExpectAndConsume(tok::equal, DiagID, "", tok::r_paren)) 595dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 5961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5974ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (Tok.is(tok::code_completion)) { 59842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) 599a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySetter(getCurScope()); 6004ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor else 601a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyGetter(getCurScope()); 6027d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 6034ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor } 6044ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor 60542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 60642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson SourceLocation SelLoc; 60742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson IdentifierInfo *SelIdent = ParseObjCSelectorPiece(SelLoc); 60842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 60942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (!SelIdent) { 61042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson Diag(Tok, diag::err_objc_expected_selector_for_getter_setter) 61142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson << IsSetter; 6128ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 6138ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 6148ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) { 6178ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 61842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setSetterName(SelIdent); 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 620e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian if (ExpectAndConsume(tok::colon, 621e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian diag::err_expected_colon_after_setter_name, "", 622156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 6238ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 6248ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 6258ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 62642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setGetterName(SelIdent); 6278ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 628e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 629a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 630cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 631cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 632cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 6331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 634156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 635156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 6361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 637156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 638d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6404a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 641d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 642d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 6433536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 6453536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 646294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 647294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 648294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 649294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6504985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 6514985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 6524985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 653a28948f34817476d02412fa204cae038e228c827Fariborz JahanianDecl *Parser::ParseObjCMethodPrototype(tok::ObjCKeywordKind MethodImplKind, 65490ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 655df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 656294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 658bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 659a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodDecl(mLoc, methodType, MethodImplKind, 66090ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodDefinition); 6613536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 6622bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 663f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 664294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 665294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 666294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 667294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 668294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 669294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 670294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 671294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 672294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 673294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6742fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 675be74740cc246ce08d42804a684385a42eb814edbFariborz Jahanian 676ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 677ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 678ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 679afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampamp: 680afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampequal: 681afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::amp: 682afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipe: 683afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::tilde: 684afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaim: 685afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaimequal: 686afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipepipe: 687afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipeequal: 688afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caret: 689afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caretequal: { 6903846ca29a8cc1d376a4b695194c29952dbbfb544Fariborz Jahanian std::string ThisTok(PP.getSpelling(Tok)); 691afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian if (isalpha(ThisTok[0])) { 692afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian IdentifierInfo *II = &PP.getIdentifierTable().get(ThisTok.data()); 693afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian Tok.setKind(tok::identifier); 694afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian SelectorLoc = ConsumeToken(); 695afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return II; 696afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 697afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return 0; 698afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 699afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian 700ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 701ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 702ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 7039298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 704ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 705ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 706ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 707ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 708ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 709ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 710ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 711ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 712ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 713ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 714ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 715ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 716ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 717ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 718ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 719ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 720ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 721ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 722ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 723ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 724ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 725ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 726ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 727ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 728ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 729ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 730ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 731ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 732ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 733ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 734ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 735ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 736ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 737ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 738ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 739ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 740ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 741ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 742ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 743ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 744ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 745ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 746ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 747ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 748ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 749ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 750ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 751ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 752ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 753ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 754ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 755ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 756ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 757ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 758ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 759ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 760ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 761ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 762ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 763ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 764ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 765ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 766ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 767ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 768ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 769ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 7704b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 771ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 772d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 773294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 774294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 7750196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 7760196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 777335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 7783ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 7793ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 7803ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 7811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (getLang().ObjC2 && Tok.is(tok::identifier) && 7825ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 7830196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 7840196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 785a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 786e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 787e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 788294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 789294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 790294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 791294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 792294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 793b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregorvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS, 794cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::TheContext Context) { 795cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert(Context == Declarator::ObjCParameterContext || 796cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Context == Declarator::ObjCResultContext); 797cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 798e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 799d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor if (Tok.is(tok::code_completion)) { 800b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor Actions.CodeCompleteObjCPassingType(getCurScope(), DS, 801cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Context == Declarator::ObjCParameterContext); 8027d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 803d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor } 804d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor 805cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 806e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 808e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 809e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 810a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 811e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 8121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 813a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 814e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 815b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown decl qualifier"); 816a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 817a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 818a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 819a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 820a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 821a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 822e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 823a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 824e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 825e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 826e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 827e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 829e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 830e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 831e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 832e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 833e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 834cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// Take all the decl attributes out of the given list and add 835cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// them to the given attribute set. 836cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCallstatic void takeDeclAttributes(ParsedAttributes &attrs, 837cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall AttributeList *list) { 838cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall while (list) { 839cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall AttributeList *cur = list; 840cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall list = cur->getNext(); 841cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 842cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!cur->isUsedAsTypeAttr()) { 843cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Clear out the next pointer. We're really completely 844cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // destroying the internal invariants of the declarator here, 845cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // but it doesn't matter because we're done with it. 846cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall cur->setNext(0); 847cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.add(cur); 848cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 849cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 850cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall} 851cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 852cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// takeDeclAttributes - Take all the decl attributes from the given 853cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// declarator and add them to the given list. 854cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCallstatic void takeDeclAttributes(ParsedAttributes &attrs, 855cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator &D) { 856cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // First, take ownership of all attributes. 857cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.getPool().takeAllFrom(D.getAttributePool()); 858cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.getPool().takeAllFrom(D.getDeclSpec().getAttributePool()); 859cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 860cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Now actually move the attributes over. 861cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, D.getDeclSpec().getAttributes().getList()); 862cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, D.getAttributes()); 863cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall for (unsigned i = 0, e = D.getNumTypeObjects(); i != e; ++i) 864cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, 865cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall const_cast<AttributeList*>(D.getTypeObject(i).getAttrs())); 866cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall} 867cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 868e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 869e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 870e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 871e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 872b77cab97f17f946744c920629ca17271308d8ebfDouglas GregorParsedType Parser::ParseObjCTypeName(ObjCDeclSpec &DS, 873cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::TheContext context, 874cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParsedAttributes *paramAttrs) { 875cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert(context == Declarator::ObjCParameterContext || 876cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall context == Declarator::ObjCResultContext); 877cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert((paramAttrs != 0) == (context == Declarator::ObjCParameterContext)); 878cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 879df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8814a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 8824a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 8834a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 884e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 8859735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 8869735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 88719d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 888cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseObjCTypeQualifierList(DS, context); 8894fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 890b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty; 891809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 892cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Parse an abstract declarator. 893cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall DeclSpec declSpec(AttrFactory); 894cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall declSpec.setObjCQualifiers(&DS); 895cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseSpecifierQualifierList(declSpec); 896cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator declarator(declSpec, context); 897cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseDeclarator(declarator); 898cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 899cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // If that's not invalid, extract a type. 900cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!declarator.isInvalidType()) { 901cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall TypeResult type = Actions.ActOnTypeName(getCurScope(), declarator); 902cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!type.isInvalid()) 903cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Ty = type.get(); 904cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 905cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // If we're parsing a parameter, steal all the decl attributes 906cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // and add them to the decl spec. 907cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (context == Declarator::ObjCParameterContext) 908cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(*paramAttrs, declarator); 909cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 910cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } else if (context == Declarator::ObjCResultContext && 911cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Tok.is(tok::identifier)) { 912e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!Ident_instancetype) 913e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ident_instancetype = PP.getIdentifierInfo("instancetype"); 914e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 915e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (Tok.getIdentifierInfo() == Ident_instancetype) { 916e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ty = Actions.ActOnObjCInstanceType(Tok.getLocation()); 917e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ConsumeToken(); 918e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor } 919809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 920e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 9214a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 9224a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 9234a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 924e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 9251ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 9264a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 9274a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 9284a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 9294a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 9304a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 931294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 932f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 933294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 934294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 935294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 936294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 9374985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 938294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 9394985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 940294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 941294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 9421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 943294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 944294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 945294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 9467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 9477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 9487ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 9497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 950294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9514985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 9524985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 953294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9544985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 9554985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 956294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9574985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 958294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 959294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9607ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 9617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 9627ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 963d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 9642ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::TokenKind mType, 96590ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian tok::ObjCKeywordKind MethodImplKind, 96690ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 96754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject PD(*this); 96854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 969e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 97023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 971a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian /*ReturnType=*/ ParsedType()); 9727d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 9737d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 974e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 975e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 976e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 977b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReturnType; 978a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 979df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 980cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ReturnType = ParseObjCTypeName(DSRet, Declarator::ObjCResultContext, 0); 9811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9829e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // If attributes exist before the method, parse them. 9830b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes methodAttrs(AttrFactory); 9847f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 9850b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 9869e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek 987e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 98823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 989a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ReturnType); 9907d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 9917d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 992e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 993e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 9949e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // Now parse the selector. 995bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 9962fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 997e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 99884c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 99984c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 10001ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 10011ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 1002e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 1003e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 1004d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1005e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10075f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclaratorChunk::ParamInfo, 8> CParamInfo; 1008df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1009ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 10107f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 10110b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 10121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1013ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 1014d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 10157f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1016a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 1017926df6cfabf3eaa4afc990c097fa4619b76a9b57Douglas Gregor selLoc, Sel, 0, 10184f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 10190b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), MethodImplKind, 10200b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall false, MethodDefinition); 102154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 102254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1023ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 1024f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 10255f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 102611d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis SmallVector<SourceLocation, 12> KeyLocs; 10275f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Sema::ObjCArgInfo, 12> ArgInfos; 10287f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian ParseScope PrototypeScope(this, 10297f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian Scope::FunctionPrototypeScope|Scope::DeclScope); 10300b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 10310b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall AttributePool allParamAttrs(AttrFactory); 10327f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1033ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 10340b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes paramAttrs(AttrFactory); 1035f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::ObjCArgInfo ArgInfo; 10361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1037ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 1038df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1039ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 1040ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 1041ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 1042ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 10431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1044b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ArgInfo.Type = ParsedType(); 1045e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 1046cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec, 1047cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::ObjCParameterContext, 1048cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ¶mAttrs); 1049e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 1050ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 1051cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Regardless, collect all the attributes we've parsed so far. 1052e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 10537f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) { 10540b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(paramAttrs); 10550b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ArgInfo.ArgAttrs = paramAttrs.getList(); 10567f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 10577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 105840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor // Code completion for the next piece of the selector. 105940ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor if (Tok.is(tok::code_completion)) { 106040ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.push_back(SelIdent); 106140ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 106240ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor mType == tok::minus, 106340ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/true, 106440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor ReturnType, 106540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.data(), 106640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.size()); 10677d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 10687d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 106940ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor } 107040ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor 1071df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1072ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 1073ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 10744985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1076e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 1077e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 1078ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1080e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 1081e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 108211d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis KeyLocs.push_back(selLoc); 1083e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 10840b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall // Make sure the attributes persist. 10850b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall allParamAttrs.takeAllFrom(paramAttrs.getPool()); 10860b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 10871f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor // Code completion for the next piece of the selector. 10881f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor if (Tok.is(tok::code_completion)) { 10891f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 10901f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor mType == tok::minus, 109140ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/false, 10921f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor ReturnType, 10931f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.data(), 10941f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.size()); 10957d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 10967d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 10971f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor } 10981f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor 1099ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 110011d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis SelIdent = ParseObjCSelectorPiece(selLoc); 1101df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 1102ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 1103ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 1104ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1106335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 11071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1108ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 1109df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 1110ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 1111df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 1112335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 11134985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 1114ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 11154985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 11160b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1117ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 11181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 1119ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 1120ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 11214f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian IdentifierInfo *ParmII = ParmDecl.getIdentifier(); 1122d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = Actions.ActOnParamDeclarator(getCurScope(), ParmDecl); 11234f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, 11244f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian ParmDecl.getIdentifierLoc(), 11254f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian Param, 11264f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 0)); 11274f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 11284985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 11291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11309c4bb2c08989265411925a04252fd4f93c26e3b1Cameron Esfahani // FIXME: Add support for optional parameter list... 1131e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 11327f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 11330b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 11347f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1135a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (KeyIdents.size() == 0) 1136d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 11377f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1138ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 1139ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 1140d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 11417f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1142a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 114311d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis KeyLocs, Sel, &ArgInfos[0], 11444f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 11450b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), 114690ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, isVariadic, MethodDefinition); 11477f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 114854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 114954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1150294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 1151294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 1152dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 1153dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 1154dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 11557caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 11565f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerParseObjCProtocolReferences(SmallVectorImpl<Decl *> &Protocols, 11575f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceLocation> &ProtocolLocs, 115871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 115971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 1160e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 11611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 116271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 11631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11645f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolIdents; 11651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1166e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 116755385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 116855385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 116955385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 11707d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 11717d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return true; 117255385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 117355385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 1174e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 1175e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 1176e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 1177e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1178e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 1179e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 1180e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 118171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 1182e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1184e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 1185e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 1186e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 1187e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1189e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 1190e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 1191e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 1192e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1193e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 11941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1195e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 11961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1197e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 1198e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 1199e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 1200e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 1201e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 1202e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 1203e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 12049bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// \brief Parse the Objective-C protocol qualifiers that follow a typename 12059bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// in a decl-specifier-seq, starting at the '<'. 120646f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregorbool Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) { 12079bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(Tok.is(tok::less) && "Protocol qualifiers start with '<'"); 12089bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(getLang().ObjC1 && "Protocol qualifiers only exist in Objective-C"); 12099bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor SourceLocation LAngleLoc, EndProtoLoc; 12105f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolDecl; 12115f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 121246f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor bool Result = ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, 121346f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor LAngleLoc, EndProtoLoc); 12149bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), 12159bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ProtocolLocs.data(), LAngleLoc); 12169bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (EndProtoLoc.isValid()) 12179bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(EndProtoLoc); 121846f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor return Result; 12199bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor} 12209bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 12219bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 1222dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 1223dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 1224dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1225dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 1226dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 1227dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 1228dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 1229dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 1230dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 1231dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 1232dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1233dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 1234dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 1235dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 1236dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 1237ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 1238dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1239dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 12401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 1241dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1242d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCClassInstanceVariables(Decl *interfaceDecl, 124383c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian tok::ObjCKeywordKind visibility, 124460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 1245df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 12465f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> AllIvarDecls; 1247a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 12481a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 12493a387441ae339363ee5b254658f295e97bd9e913Argyrios Kyrtzidis ObjCDeclContextSwitch ObjCDC(*this); 125072de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 12514a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 12524a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 12531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1254ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 1255df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1256ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 12571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1258ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 1259df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1260f13ca06e57ac094ed05ea08c26a499af1ba0ce88Douglas Gregor Diag(Tok, diag::ext_extra_ivar_semi) 1261849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1262ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1263ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1264ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 12651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1266ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 1267df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 1268ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 1269c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1270c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 127123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtVisibility(getCurScope()); 12727d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1273c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1274c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1275861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 1276ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 1277ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 1278ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 1279ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 1280861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 1281ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 12821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 1283ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 1284ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 1285ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1286ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1287ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 12881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1289c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 129023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 1291f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PCC_ObjCInstanceVariableList); 12927d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1293c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1294c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1295bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 1296bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 1297d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *IDecl; 1298bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 12995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls; 1300bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1301d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCIvarCallback(Parser &P, Decl *IDecl, tok::ObjCKeywordKind V, 13025f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls) : 1303bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 1304bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1305bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1306d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 1307a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian P.Actions.ActOnObjCContainerStartDefinition(IDecl); 1308bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 1309d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Field 131023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = P.Actions.ActOnIvar(P.getCurScope(), 1311bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 1312a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 131310af87932fe4bffad539b24d512a33a1803daeaeFariborz Jahanian P.Actions.ActOnObjCContainerFinishDefinition(); 13140bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian if (Field) 13150bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian AllIvarDecls.push_back(Field); 1316bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Field; 1317bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1318bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 1319d097be8f81fbf4ed96ac10bae18562dd8202666bFariborz Jahanian 1320e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 13210b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1322bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1324df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1325ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1326ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 1327ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 1328ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 1329ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 1330ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1331ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 13324a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 13334a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 1334a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(interfaceDecl); 13354a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnLastBitfield(T.getCloseLocation(), AllIvarDecls); 133610af87932fe4bffad539b24d512a33a1803daeaeFariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(); 13378749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 13388749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 133923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFields(getCurScope(), atLoc, interfaceDecl, 134077b6de07be9186063c12928d2e9785a5d4eecbf6David Blaikie AllIvarDecls, 13414a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), T.getCloseLocation(), 0); 1342ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 13435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1344dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1345dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 1346dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 1347dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 1348dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1349dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 13501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @protocol identifier 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 13521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 1353dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 1354dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1355dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 1356dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 1357dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1358dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 13593536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1360dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1361bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas GregorParser::DeclGroupPtrTy 1362bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas GregorParser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 1363bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor ParsedAttributes &attrs) { 1364861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 13657ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 13667ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 13671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1368083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 136923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(getCurScope()); 13707d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1371bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 1372083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1373083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1374df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 13757ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 1376bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 13777ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 13787ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 13797ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 13807ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 13811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1382df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 13837caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 13847ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 13851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 13867f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 13877ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 13881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138990ec96f3026480fa41057b05d58f338aed585f62Erik Verbruggen CheckNestedObjCContexts(AtLoc); 139090ec96f3026480fa41057b05d58f338aed585f62Erik Verbruggen 1391df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 13925f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolRefs; 13937caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 13947caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 13957ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 13967ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 13977ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1398df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 13997ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 14007ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1401bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14027ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 14037caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 14047caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 14057ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 14061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1407df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 14087ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 14097ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 14107ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 14117ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1412bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1414e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 14151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1416bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 14177f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 14187caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14207ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 142171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 14227caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 14235f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 14245f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 14257caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 142671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 142771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1428bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1430d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ProtoType = 1431e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1432beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1433beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 143418df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 14357f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 1436a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 14372f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_protocol, ProtoType); 1438bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return Actions.ConvertDeclToDeclGroup(ProtoType); 1439dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1440dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1441dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1442dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1443dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1444dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1445dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1446dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1447dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1448dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1449dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1450dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1451849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios KyrtzidisParser::DeclGroupPtrTy 1452849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios KyrtzidisParser::ParseObjCAtImplementationDeclaration(SourceLocation AtLoc) { 1453ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1454ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1455d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen CheckNestedObjCContexts(AtLoc); 1456ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 14571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14583b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 14593b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 146023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(getCurScope()); 14617d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1462849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 14633b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 14643b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1465df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1466ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1467849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 1468ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1469ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1470ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1471ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 1472849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Decl *ObjCImpDecl = 0; 14731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1475ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1476dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeParen(); 1477ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1478ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 14791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 148033ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 148123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(getCurScope(), nameId, nameLoc); 14827d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1483849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 148433ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 148533ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1486df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1487ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1488ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1489ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1490ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1491849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 14921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1493df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1494ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1495ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1496849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 1497ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1498ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1499849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ObjCImpDecl = Actions.ActOnStartCategoryImplementation( 1500d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtLoc, nameId, nameLoc, categoryId, 15018f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1502a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1503849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } else { 1504849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis // We have a class implementation 1505849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis SourceLocation superClassLoc; 1506849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis IdentifierInfo *superClassId = 0; 1507849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 1508849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis // We have a super class 1509849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ConsumeToken(); 1510849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (Tok.isNot(tok::identifier)) { 1511849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Diag(Tok, diag::err_expected_ident); // missing super class name. 1512849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 1513849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1514849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis superClassId = Tok.getIdentifierInfo(); 1515849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis superClassLoc = ConsumeToken(); // Consume super class name 1516ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1517849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ObjCImpDecl = Actions.ActOnStartClassImplementation( 1518849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis AtLoc, nameId, nameLoc, 1519849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis superClassId, superClassLoc); 1520849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1521849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (Tok.is(tok::l_brace)) // we have ivars 1522849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ParseObjCClassInstanceVariables(ObjCImpDecl, tok::objc_private, AtLoc); 1523ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1524849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis assert(ObjCImpDecl); 15251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1526849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis SmallVector<Decl *, 8> DeclsInGroup; 1527a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1528849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis { 1529849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ObjCImplParsingDataRAII ObjCImplParsing(*this, ObjCImpDecl); 1530849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis while (!ObjCImplParsing.isFinished() && Tok.isNot(tok::eof)) { 1531849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ParsedAttributesWithRange attrs(AttrFactory); 1532849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis MaybeParseCXX0XAttributes(attrs); 1533849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis MaybeParseMicrosoftAttributes(attrs); 1534849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (DeclGroupPtrTy DGP = ParseExternalDeclaration(attrs)) { 1535849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis DeclGroupRef DG = DGP.get(); 1536849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis DeclsInGroup.append(DG.begin(), DG.end()); 1537849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1538849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1539849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1540849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1541644af7b50bd0541468b45c197f5b637e934d48a0Argyrios Kyrtzidis return Actions.ActOnFinishObjCImplementation(ObjCImpDecl, DeclsInGroup); 15425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 154360fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1544140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::DeclGroupPtrTy 1545140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::ParseObjCAtEndDeclaration(SourceRange atEnd) { 1546ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1547ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1548ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1549849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) 1550849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl->finish(atEnd); 15518697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian else 1552782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek // missing @implementation 1553d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(atEnd.getBegin(), diag::err_expected_objc_container); 1554849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 15555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1556e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1557849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios KyrtzidisParser::ObjCImplParsingDataRAII::~ObjCImplParsingDataRAII() { 1558849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (!Finished) { 1559849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis finish(P.Tok.getLocation()); 1560849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (P.Tok.is(tok::eof)) { 1561849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Diag(P.Tok, diag::err_objc_missing_end) 1562849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis << FixItHint::CreateInsertion(P.Tok.getLocation(), "\n@end\n"); 1563849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Diag(Dcl->getLocStart(), diag::note_objc_container_start) 1564849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis << Sema::OCK_Implementation; 1565849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1566849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1567849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.CurParsedObjCImpl = 0; 1568849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis assert(LateParsedObjCMethods.empty()); 1569849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis} 1570d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 1571849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidisvoid Parser::ObjCImplParsingDataRAII::finish(SourceRange AtEnd) { 1572849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis assert(!Finished); 1573849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Actions.DefaultSynthesizeProperties(P.getCurScope(), Dcl); 1574849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis for (size_t i = 0; i < LateParsedObjCMethods.size(); ++i) 1575849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.ParseLexedObjCMethodDefs(*LateParsedObjCMethods[i]); 1576d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 1577849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Actions.ActOnAtEnd(P.getCurScope(), AtEnd); 157863e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1579849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis /// \brief Clear and free the cached objc methods. 15802fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis for (LateParsedObjCMethodContainer::iterator 15812fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis I = LateParsedObjCMethods.begin(), 15822fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis E = LateParsedObjCMethods.end(); I != E; ++I) 15832fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis delete *I; 15842fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis LateParsedObjCMethods.clear(); 1585849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1586849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Finished = true; 15872fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis} 15882fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis 1589e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1590e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1591e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1592d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1593e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1594e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1595e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1596df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1597e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1598d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1599e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1600243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1601243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1602df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1603e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1604d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1605e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1606243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1607243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1608e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 1609e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor "@compatibility_alias"); 1610b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1611b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 16125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1614ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1615ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1616ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1617ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1618ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1619ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1620ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1621ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1622ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1623ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1624ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1625d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1626ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1627ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1628dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume synthesize 16291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1630b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1631322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1632a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 16337d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 16347d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1635322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1636322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1637b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1638b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1639b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1640d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1641b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1642b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor 1643f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1644f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1645f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1646a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor SourceLocation propertyIvarLoc; 1647df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1648ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1649ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1650322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1651322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1652a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySynthesizeIvar(getCurScope(), propertyId); 16537d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 16547d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1655322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1656322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1657df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1658ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1659ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1660ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1661f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1662a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyIvarLoc = ConsumeToken(); // consume ivar-name 1663ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1664a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, true, 1665a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, propertyIvar, propertyIvarLoc); 1666df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1667ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1668ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1669ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1670e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@synthesize"); 1671d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1672ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1673ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1674ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1675ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1676ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1677ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1678ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1679ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1680ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1681d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1682ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1683ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1684dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume dynamic 1685424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1686424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 1687a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 16887d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 16897d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1690424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1691424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1692424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1693424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Diag(Tok, diag::err_expected_ident); 1694424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 1695d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1696424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1697424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1698c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1699c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1700a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, false, 1701a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, 0, SourceLocation()); 1702c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1703df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1704ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1705ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1706ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1707e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@dynamic"); 1708d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1709ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 17101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1711397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1712397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1713397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 171460d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 171560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res; 1716397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1717df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 171839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 17190e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1720397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 172143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1722397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1723397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 172402418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek // consume ';' 172502418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@throw"); 17269ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtThrowStmt(atLoc, Res.take(), getCurScope()); 1727397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1728397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1729c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 173078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1731c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 173260d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult 173343bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1734fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1735fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 17361ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 173743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1738fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 173907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 174007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // The operand is surrounded with parentheses. 1741fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 174207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ExprResult operand(ParseExpression()); 174307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 174407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (Tok.is(tok::r_paren)) { 174507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ConsumeParen(); // ')' 174607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall } else { 174707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 174807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_rparen); 174907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 175007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Skip forward until we see a left brace, but don't consume it. 175107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall SkipUntil(tok::l_brace, true, true); 1752fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 175307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 175407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Require a compound statement. 175578a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 175607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 175707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_lbrace); 175843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 175978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 17603ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 176107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Check the @synchronized operand now. 176207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 176307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall operand = Actions.ActOnObjCAtSynchronizedOperand(atLoc, operand.take()); 176407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 176507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Parse the compound statement within a new scope. 176607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ParseScope bodyScope(this, Scope::DeclScope); 176707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall StmtResult body(ParseCompoundStatementBody()); 176807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall bodyScope.Exit(); 176907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 177007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // If there was a semantic or parse error earlier with the 177107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // operand, fail now. 177207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (operand.isInvalid()) 177307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return StmtError(); 177407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 177507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (body.isInvalid()) 177607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall body = Actions.ActOnNullStmt(Tok.getLocation()); 17770e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 177807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return Actions.ActOnObjCAtSynchronizedStmt(atLoc, operand.get(), body.get()); 1779c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1780c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1781397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1782397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1783397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1784397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1785397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1786397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1787397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1788397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1789397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1790397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1791397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 179260d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1793397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 179443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1795397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1796df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 17971ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 179843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1799397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 18008f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor StmtVector CatchStmts(Actions); 180160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyStmt; 18028935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 180360d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult TryBody(ParseCompoundStatementBody()); 18048935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 18050e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1806bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1807a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1808df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 18096b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 18106b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 18116b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 18126b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 18136b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 18146b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 18156b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 18160e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1817161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1818cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1819d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *FirstPart = 0; 18203b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1821df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1822397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1823e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1824df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 18250b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1826397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 182717b6399f8461c5b7e1c6f367b0a0dde49f921240Argyrios Kyrtzidis Declarator ParmDecl(DS, Declarator::ObjCCatchContext); 18287ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 18297ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 18304e6c0d19b7c072758922cf80525a81aeefc6e64bDouglas Gregor // Inform the actions module about the declarator, so it 18317ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 183223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor FirstPart = Actions.ActOnObjCExceptionDecl(getCurScope(), ParmDecl); 183364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1834397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 18351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 183693a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 18371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 183893a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 183993a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 184093a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 184193a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 184293a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 184360d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult CatchBody(true); 1844c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1845c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1846c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1847c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 18480e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 18493b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 18508f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 185160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Catch = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 18528f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor RParenLoc, 18538f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor FirstPart, 18549ae2f076ca5ab1feb3ba95629099ec2319833701John McCall CatchBody.take()); 18558f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (!Catch.isInvalid()) 18568f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor CatchStmts.push_back(Catch.release()); 18578f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 185864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 18591ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 18601ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 186143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1862397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1863397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 18646b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 18656b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 186664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 18678935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 18680e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 186960d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyBody(true); 1870c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1871c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1872c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1873c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 18740e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1875161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 18760e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 18779ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyBody.take()); 1878397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1879397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1880397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1881397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1882bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1883397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 188443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1885bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 18868f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 18879ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.take(), 18888f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor move_arg(CatchStmts), 18899ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyStmt.take()); 1890397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1891ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1892f85e193739c953358c865005855253af4f68a497John McCall/// objc-autoreleasepool-statement: 1893f85e193739c953358c865005855253af4f68a497John McCall/// @autoreleasepool compound-statement 1894f85e193739c953358c865005855253af4f68a497John McCall/// 1895f85e193739c953358c865005855253af4f68a497John McCallStmtResult 1896f85e193739c953358c865005855253af4f68a497John McCallParser::ParseObjCAutoreleasePoolStmt(SourceLocation atLoc) { 1897f85e193739c953358c865005855253af4f68a497John McCall ConsumeToken(); // consume autoreleasepool 1898f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isNot(tok::l_brace)) { 1899f85e193739c953358c865005855253af4f68a497John McCall Diag(Tok, diag::err_expected_lbrace); 1900f85e193739c953358c865005855253af4f68a497John McCall return StmtError(); 1901f85e193739c953358c865005855253af4f68a497John McCall } 1902f85e193739c953358c865005855253af4f68a497John McCall // Enter a scope to hold everything within the compound stmt. Compound 1903f85e193739c953358c865005855253af4f68a497John McCall // statements can always hold declarations. 1904f85e193739c953358c865005855253af4f68a497John McCall ParseScope BodyScope(this, Scope::DeclScope); 1905f85e193739c953358c865005855253af4f68a497John McCall 1906f85e193739c953358c865005855253af4f68a497John McCall StmtResult AutoreleasePoolBody(ParseCompoundStatementBody()); 1907f85e193739c953358c865005855253af4f68a497John McCall 1908f85e193739c953358c865005855253af4f68a497John McCall BodyScope.Exit(); 1909f85e193739c953358c865005855253af4f68a497John McCall if (AutoreleasePoolBody.isInvalid()) 1910f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody = Actions.ActOnNullStmt(Tok.getLocation()); 1911f85e193739c953358c865005855253af4f68a497John McCall return Actions.ActOnObjCAutoreleasePoolStmt(atLoc, 1912f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody.take()); 1913f85e193739c953358c865005855253af4f68a497John McCall} 1914f85e193739c953358c865005855253af4f68a497John McCall 19153536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1916ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1917d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDefinition() { 1918a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodPrototype(); 19191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1920f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, MDecl, Tok.getLocation(), 1921f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing Objective-C method"); 19221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1923ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1924209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1925849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) { 1926496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 1927849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1928496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 1929ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1930209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1931ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1932409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1933df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1934da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 19351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1936409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1937409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 19381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1939409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1940409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1941d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1942ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1943849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1944849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (!MDecl) { 1945849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ConsumeBrace(); 1946849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis SkipUntil(tok::r_brace, /*StopAtSemi=*/false); 1947849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return 0; 1948849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1949849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1950140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Allow the rest of sema to find private method decl implementations. 1951849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Actions.AddAnyMethodToGlobalPool(MDecl); 1952849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1953849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) { 1954849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis // Consume the tokens and store them for later parsing. 1955849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis LexedMethod* LM = new LexedMethod(this, MDecl); 1956849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl->LateParsedObjCMethods.push_back(LM); 1957849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CachedTokens &Toks = LM->Toks; 1958849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis // Begin by storing the '{' token. 1959849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Toks.push_back(Tok); 1960849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ConsumeBrace(); 1961849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis // Consume everything up to (and including) the matching right brace. 1962849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ConsumeAndStoreUntil(tok::r_brace, Toks, /*StopAtSemi=*/false); 1963849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1964849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } else { 1965849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ConsumeBrace(); 1966849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis SkipUntil(tok::r_brace, /*StopAtSemi=*/false); 1967849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1968849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 196971c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 19705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19715508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 197260d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 19739a0c85e640a08174569a303db22981612f05d385Douglas Gregor if (Tok.is(tok::code_completion)) { 197423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtStatement(getCurScope()); 19757d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 19769a0c85e640a08174569a303db22981612f05d385Douglas Gregor return StmtError(); 19775d8031687d086701b4dadaab3e0de1def448da9dChris Lattner } 19785d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 19795d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_try)) 19806b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 19815d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 19825d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_throw)) 198364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 19845d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 19855d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 198664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 1987f85e193739c953358c865005855253af4f68a497John McCall 1988f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isObjCAtKeyword(tok::objc_autoreleasepool)) 1989f85e193739c953358c865005855253af4f68a497John McCall return ParseObjCAutoreleasePoolStmt(AtLoc); 19905d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 199160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 19920e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 199364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 199464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 199564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 199664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 199743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 199864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 19995d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 200064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 20019ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); 20029ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnExprStmt(Actions.MakeFullExpr(Res.take())); 200364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 200464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 200560d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 20065508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 20079a0c85e640a08174569a303db22981612f05d385Douglas Gregor case tok::code_completion: 200823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtExpression(getCurScope()); 20097d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 20109a0c85e640a08174569a303db22981612f05d385Douglas Gregor return ExprError(); 20119a0c85e640a08174569a303db22981612f05d385Douglas Gregor 2012b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 2013b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 20141d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 2015b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 20164fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 20171d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 20182f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 20194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 20204fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 20211d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 20224fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 20231d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 20244fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 20251d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 20264fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 20271d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 20284fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 20295508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 20305508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 20315508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 20326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brirg Parse the receiver of an Objective-C++ message send. 20336aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20346aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// This routine parses the receiver of a message send in 20356aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// Objective-C++ either as a type or as an expression. Note that this 20366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// routine must not be called to parse a send to 'super', since it 20376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// has no way to return such a result. 20386aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20396aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param IsExpr Whether the receiver was parsed as an expression. 20406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param TypeOrExpr If the receiver was parsed as an expression (\c 20426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// IsExpr is true), the parsed expression. If the receiver was parsed 20436aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// as a type (\c IsExpr is false), the parsed type. 20446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20456aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \returns True if an error occurred during parsing or semantic 20466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// analysis, in which case the arguments do not have valid 20476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// values. Otherwise, returns false for a successful parse. 20486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// objc-receiver: [C++] 20506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 'super' [not parsed here] 20516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// expression 20526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier 20536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// typename-specifier 20546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr) { 20550fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 20560fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 20576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 20586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope)) 20596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TryAnnotateTypeOrScopeToken(); 20606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!isCXXSimpleTypeSpecifier()) { 20626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 20636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression 206460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseExpression(); 20656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 20666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 20676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 20696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 20706aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 20716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 20726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20736aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 20746aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier 20756aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier 20766aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression (that starts with one of the above) 20770b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 20786aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor ParseCXXSimpleTypeSpecifier(DS); 20796aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20806aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::l_paren)) { 20816aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // If we see an opening parentheses at this point, we are 20826aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // actually parsing an expression that starts with a 20836aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // function-style cast, e.g., 20846aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 20856aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression: 20866aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier ( expression-list [opt] ) 20876aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier ( expression-list [opt] ) 20886aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 20896aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the remainder of this case, then the (optional) 20906aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression suffix, followed by the (optional) 20916aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // right-hand side of the binary expression. We have an 20926aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // instance method. 209360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseCXXTypeConstructExpression(DS); 20946aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 20959ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParsePostfixExpressionSuffix(Receiver.take()); 20966aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 20979ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParseRHSOfBinaryExpression(Receiver.take(), prec::Comma); 20986aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 20996aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 21006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 21026aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 21036aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 21046aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 21056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We have a class message. Turn the simple-type-specifier or 21076aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier we parsed into a type and parse the 21086aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // remainder of the class message. 21096aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 211023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult Type = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 21116aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Type.isInvalid()) 21126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 21136aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = false; 2115b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TypeOrExpr = Type.get().getAsOpaquePtr(); 21166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 21176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 21186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21191b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// \brief Determine whether the parser is currently referring to a an 21201b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// Objective-C message send, using a simplified heuristic to avoid overhead. 21211b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// 21221b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// This routine will only return true for a subset of valid message-send 21231b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// expressions. 21241b730e847ded503f2e615154035c083c4f94a067Douglas Gregorbool Parser::isSimpleObjCMessageExpression() { 2125c59cb38810c63a806270385f79ea84e0203754eaChris Lattner assert(Tok.is(tok::l_square) && getLang().ObjC1 && 21261b730e847ded503f2e615154035c083c4f94a067Douglas Gregor "Incorrect start for isSimpleObjCMessageExpression"); 21271b730e847ded503f2e615154035c083c4f94a067Douglas Gregor return GetLookAheadToken(1).is(tok::identifier) && 21281b730e847ded503f2e615154035c083c4f94a067Douglas Gregor GetLookAheadToken(2).is(tok::identifier); 21291b730e847ded503f2e615154035c083c4f94a067Douglas Gregor} 21301b730e847ded503f2e615154035c083c4f94a067Douglas Gregor 21319497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregorbool Parser::isStartOfObjCClassMessageMissingOpenBracket() { 21329497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!getLang().ObjC1 || !NextToken().is(tok::identifier) || 21339497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor InMessageExpression) 21349497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 21359497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21369497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21379497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor ParsedType Type; 21389497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21399497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::annot_typename)) 21409497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = getTypeAnnotation(Tok); 21419497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else if (Tok.is(tok::identifier)) 21429497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = Actions.getTypeName(*Tok.getIdentifierInfo(), Tok.getLocation(), 21439497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor getCurScope()); 21449497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else 21459497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 21469497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21479497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!Type.get().isNull() && Type.get()->isObjCObjectOrInterfaceType()) { 21489497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor const Token &AfterNext = GetLookAheadToken(2); 21499497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (AfterNext.is(tok::colon) || AfterNext.is(tok::r_square)) { 21509497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::identifier)) 21519497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor TryAnnotateTypeOrScopeToken(); 21529497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21539497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return Tok.is(tok::annot_typename); 21549497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 21559497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 21569497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21579497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 21589497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor} 21599497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 21610ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 21620ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21632725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// objc-receiver: [C] 2164eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner/// 'super' 21650ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 21660ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 21670ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 21686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 216960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCMessageExpression() { 2170699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 2171699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 2172699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 21738e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor if (Tok.is(tok::code_completion)) { 217423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMessageReceiver(getCurScope()); 21757d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 21768e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor return ExprError(); 21778e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor } 21788e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor 21790fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 21800fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 21816aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (getLang().CPlusPlus) { 21826aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We completely separate the C and C++ cases because C++ requires 21836aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // more complicated (read: slower) parsing. 21846aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21856aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Handle send to super. 21866aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: This doesn't benefit from the same typo-correction we 21876aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // get in Objective-C. 21886aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) && Tok.getIdentifierInfo() == Ident_super && 218923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor NextToken().isNot(tok::period) && getCurScope()->isInObjcMethodScope()) 2190b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2191b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 21926aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21936aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the receiver, which is either a type or an expression. 21946aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool IsExpr; 2195304b752a450c0fc5968c20ba25446d0bb7c6f68dNick Lewycky void *TypeOrExpr = NULL; 21966aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) { 21976aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor SkipUntil(tok::r_square); 21986aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ExprError(); 21996aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 22006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (IsExpr) 2202b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2203b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 22049ae2f076ca5ab1feb3ba95629099ec2319833701John McCall static_cast<Expr*>(TypeOrExpr)); 22056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2207b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType::getFromOpaquePtr(TypeOrExpr), 2208b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 0); 2209c59cb38810c63a806270385f79ea84e0203754eaChris Lattner } 2210c59cb38810c63a806270385f79ea84e0203754eaChris Lattner 2211c59cb38810c63a806270385f79ea84e0203754eaChris Lattner if (Tok.is(tok::identifier)) { 22121dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 22131dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor SourceLocation NameLoc = Tok.getLocation(); 2214b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType; 221523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor switch (Actions.getObjCMessageKind(getCurScope(), Name, NameLoc, 22161dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor Name == Ident_super, 22171569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor NextToken().is(tok::period), 22181569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ReceiverType)) { 2219f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCSuperMessage: 2220b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2221b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 22222725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 2223f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCClassMessage: 22241569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor if (!ReceiverType) { 22252725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SkipUntil(tok::r_square); 22262725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor return ExprError(); 22272725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor } 22282725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 22291569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ConsumeToken(); // the type name 22301569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor 22311569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 22329ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ReceiverType, 0); 22331dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor 2234f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCInstanceMessage: 22352725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor // Fall through to parse an expression. 22361dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor break; 2237d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 2238699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 2239eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner 2240eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner // Otherwise, an arbitrary expression can be the receiver of a send. 224160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpression()); 22420e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 22435c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 22441d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 2245699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 22461d922960e083906a586609ac6978678147250177Sebastian Redl 2247b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2248b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), Res.take()); 2249699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 22501d922960e083906a586609ac6978678147250177Sebastian Redl 22512725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \brief Parse the remainder of an Objective-C message following the 22522725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// '[' objc-receiver. 22532725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22542725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// This routine handles sends to super, class messages (sent to a 22552725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class name), and instance messages (sent to an object), and the 22562725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// target is represented by \p SuperLoc, \p ReceiverType, or \p 22572725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// ReceiverExpr, respectively. Only one of these parameters may have 22582725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// a valid value. 22592725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22602725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param LBracLoc The location of the opening '['. 22612725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22622725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param SuperLoc If this is a send to 'super', the location of the 22632725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 'super' keyword that indicates a send to the superclass. 22642725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22652725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverType If this is a class message, the type of the 22662725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class we are sending a message to. 22672725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22682725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverExpr If this is an instance message, the expression 22692725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// used to compute the receiver object. 22701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 22710ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 22720ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 22730ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 22740ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 22750ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 22760ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 22770ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 22780ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 22791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 22800ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 22810ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 22820ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 22830ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 22840ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 22850ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 22860ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 22870ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 22881d922960e083906a586609ac6978678147250177Sebastian Redl/// 228960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2290699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 22912725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation SuperLoc, 2292b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, 22931d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 22940fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 22950fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 2296c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 22972725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 229870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 0, 0, 229970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 23002725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 230170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 0, 0, 230270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 2303c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 23049ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 230570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 0, 0, false); 23067d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 23077d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return ExprError(); 2308c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 2309d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 2310a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 23114b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 23122fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 231368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 23145f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2315951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis SmallVector<SourceLocation, 12> KeyLocs; 2316a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 231768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2318df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 2319a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 2320a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 232168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 2322951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis KeyLocs.push_back(Loc); 232337387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 2324df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 2325a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 23264fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 23274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 23284fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 23294fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 23301d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2331a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 23321d922960e083906a586609ac6978678147250177Sebastian Redl 233368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 23341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 233570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 233670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (Tok.is(tok::code_completion)) { 233770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (SuperLoc.isValid()) 233870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 233970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 234070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 234170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 234270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else if (ReceiverType) 234370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 234470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 234570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 234670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 234770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else 234870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 234970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 235070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 235170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 235270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 23537d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 235470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 235570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor } 235670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 235760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 23580e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 23594fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 23604fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 23614fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 23624fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 23631d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 236437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 23651d922960e083906a586609ac6978678147250177Sebastian Redl 236637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 2367effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 23681d922960e083906a586609ac6978678147250177Sebastian Redl 2369d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor // Code completion after each argument. 2370d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (Tok.is(tok::code_completion)) { 23712725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 237223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 23732725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor KeyIdents.data(), 237470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 237570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 23762725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 237723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2378d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 237970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 238070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2381d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor else 23829ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2383d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 238470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 238570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 23867d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 238770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 2388d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor } 2389d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 239037387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 23912fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 2392df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 2393a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 2394a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 2395a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2396a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 2397df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 239849f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 23991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 240060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 24010e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 24024fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 24034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 24044fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 24054fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 24061d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 240749f109c786f99eb7468dac3976db083a65493444Steve Naroff } 24080e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 240949f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 2410effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 2411a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2412a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 2413a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 24141d922960e083906a586609ac6978678147250177Sebastian Redl 24154fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 24164fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 24174fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 24184fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 24191d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2420a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2421809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian 2422df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 2423809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian if (Tok.is(tok::identifier)) 2424809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_colon); 2425809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian else 2426809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 24274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 24284fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 24294fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 24304fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 24311d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2432a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 24331d922960e083906a586609ac6978678147250177Sebastian Redl 2434699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 24351d922960e083906a586609ac6978678147250177Sebastian Redl 243629238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 2437951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis if (nKeys == 0) { 2438ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 2439951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis KeyLocs.push_back(Loc); 2440951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis } 2441ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 24421d922960e083906a586609ac6978678147250177Sebastian Redl 24432725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 244423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnSuperMessage(getCurScope(), SuperLoc, Sel, 2445951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis LBracLoc, KeyLocs, RBracLoc, 2446f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2447f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2448f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 24492725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 245023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnClassMessage(getCurScope(), ReceiverType, Sel, 2451951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis LBracLoc, KeyLocs, RBracLoc, 2452f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2453f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2454f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 24559ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnInstanceMessage(getCurScope(), ReceiverExpr, Sel, 2456951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis LBracLoc, KeyLocs, RBracLoc, 2457f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2458f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2459f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 24600ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 24610ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 246260d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 246360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseStringLiteralExpression()); 24641d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 24651d922960e083906a586609ac6978678147250177Sebastian Redl 2466b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 2467b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 2468b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 24695f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 4> AtLocs; 2470a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 2471b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 2472effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 24730e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2474b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 2475b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 2476b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 247715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 247897cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 247997cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 2480b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 248160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Lit(ParseStringLiteralExpression()); 24820e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 24831d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 24840e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2485effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 2486b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 24871d922960e083906a586609ac6978678147250177Sebastian Redl 24881d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 24891d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 24905508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 2491f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 2492f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 2493f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 249460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 24951d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 2496861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 24971d922960e083906a586609ac6978678147250177Sebastian Redl 2498f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 24991d922960e083906a586609ac6978678147250177Sebastian Redl 25004fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 25011d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 25021d922960e083906a586609ac6978678147250177Sebastian Redl 25034a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 25044a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 25051d922960e083906a586609ac6978678147250177Sebastian Redl 2506809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 25071d922960e083906a586609ac6978678147250177Sebastian Redl 25084a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 25091d922960e083906a586609ac6978678147250177Sebastian Redl 2510809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2511809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2512809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 25134a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, 25144a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), Ty.get(), 25154a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation())); 2516f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 251729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 251829b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 251929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 252060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 25211d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 252229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 25231d922960e083906a586609ac6978678147250177Sebastian Redl 25244fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 25251d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 25261d922960e083906a586609ac6978678147250177Sebastian Redl 25274a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 25284a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 25291d922960e083906a586609ac6978678147250177Sebastian Redl 25304fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 25311d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 25321d922960e083906a586609ac6978678147250177Sebastian Redl 2533390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 253429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 25351d922960e083906a586609ac6978678147250177Sebastian Redl 25364a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 253729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 25381d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 25394a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), 25404a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation())); 254129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 2542a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 2543a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 2544a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 254560d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 2546a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 25471d922960e083906a586609ac6978678147250177Sebastian Redl 25484fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 25491d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 25501d922960e083906a586609ac6978678147250177Sebastian Redl 25515f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2552a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 2553458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 25544a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 25554a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 25564a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2557458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2558458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2559458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 25607d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2561458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2562458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2563458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 25642fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 25655add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (!SelIdent && // missing selector name. 25665add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 25671d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 25681d922960e083906a586609ac6978678147250177Sebastian Redl 2569b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2570887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 2571887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 2572a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 25735add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (Tok.is(tok::coloncolon)) { // Handle :: in C++. 25745add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 25755add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner KeyIdents.push_back(0); 25765add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner } else if (Tok.isNot(tok::colon)) 25771d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 25781d922960e083906a586609ac6978678147250177Sebastian Redl 25795add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 25803b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner ConsumeToken(); // Eat the ':' or '::'. 2581a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 2582a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2583458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2584458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2585458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2586458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 25877d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2588458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2589458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2590458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2591a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 2592a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 25932fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 2594b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 25953b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner if (!SelIdent && Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 2596a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2597a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 2598887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 25994a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 2600887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 26011d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 26024a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), 26034a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation())); 260458065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 2605140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2606140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianDecl *Parser::ParseLexedObjCMethodDefs(LexedMethod &LM) { 2607a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2608a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Save the current token position. 2609a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis SourceLocation OrigLoc = Tok.getLocation(); 2610a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2611140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian assert(!LM.Toks.empty() && "ParseLexedObjCMethodDef - Empty body!"); 2612140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Append the current token at the end of the new token stream so that it 2613140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // doesn't get lost. 2614140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian LM.Toks.push_back(Tok); 2615140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian PP.EnterTokenStream(LM.Toks.data(), LM.Toks.size(), true, false); 2616140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2617140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // MDecl might be null due to error in method prototype, etc. 2618140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Decl *MDecl = LM.D; 2619140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Consume the previously pushed token. 2620140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ConsumeAnyToken(); 2621140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2622140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian assert(Tok.is(tok::l_brace) && "Inline objective-c method not starting with '{'"); 2623140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian SourceLocation BraceLoc = Tok.getLocation(); 2624140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Enter a scope for the method body. 2625140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ParseScope BodyScope(this, 2626140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Scope::ObjCMethodScope|Scope::FnScope|Scope::DeclScope); 2627140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2628140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Tell the actions module that we have entered a method definition with the 2629140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // specified Declarator for the method. 2630140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Actions.ActOnStartOfObjCMethodDef(getCurScope(), MDecl); 2631140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2632140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (PP.isCodeCompletionEnabled()) { 2633140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (trySkippingFunctionBodyForCodeCompletion()) { 2634140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian BodyScope.Exit(); 2635140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return Actions.ActOnFinishFunctionBody(MDecl, 0); 2636140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian } 2637140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian } 2638140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2639140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian StmtResult FnBody(ParseCompoundStatementBody()); 2640140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2641140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // If the function body could not be parsed, make a bogus compoundstmt. 2642625bb569df0c34feec0d52c0ec5215f21ef2e054Dmitri Gribenko if (FnBody.isInvalid()) { 2643625bb569df0c34feec0d52c0ec5215f21ef2e054Dmitri Gribenko Sema::CompoundScopeRAII CompoundScope(Actions); 2644140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 2645140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian MultiStmtArg(Actions), false); 2646625bb569df0c34feec0d52c0ec5215f21ef2e054Dmitri Gribenko } 2647140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2648140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Leave the function body scope. 2649140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian BodyScope.Exit(); 2650140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2651a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis MDecl = Actions.ActOnFinishFunctionBody(MDecl, FnBody.take()); 2652a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2653a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis if (Tok.getLocation() != OrigLoc) { 2654a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Due to parsing error, we either went over the cached tokens or 2655a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // there are still cached tokens left. If it's the latter case skip the 2656a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // leftover tokens. 2657a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Since this is an uncommon situation that should be avoided, use the 2658a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // expensive isBeforeInTranslationUnit call. 2659a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis if (PP.getSourceManager().isBeforeInTranslationUnit(Tok.getLocation(), 2660a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis OrigLoc)) 2661a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis while (Tok.getLocation() != OrigLoc && Tok.isNot(tok::eof)) 2662a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis ConsumeAnyToken(); 2663a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis } 2664a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2665a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis return MDecl; 2666140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian} 2667