ParseObjc.cpp revision 94ad28b31433058445a27db722f60402ee820bea
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); 4595ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 467f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_interface: { 470b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 4895ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtInterfaceDeclaration(AtLoc, attrs); 4995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 507f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 517f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_protocol: { 520b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 53bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return ParseObjCAtProtocolDeclaration(AtLoc, attrs); 547f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 555ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 5695ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtImplementationDeclaration(AtLoc); 5795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 585ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 59140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return ParseObjCAtEndDeclaration(AtLoc); 605ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 6195ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtAliasDeclaration(AtLoc); 6295ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 635ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 6495ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCPropertySynthesize(AtLoc); 6595ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 665ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 6795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCPropertyDynamic(AtLoc); 6895ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 695948ae1021122164b22f74353bb7fe325a64f616Douglas Gregor case tok::objc_import: 7094ad28b31433058445a27db722f60402ee820beaDouglas Gregor if (getLang().Modules) 7194ad28b31433058445a27db722f60402ee820beaDouglas Gregor return ParseModuleImport(AtLoc); 7294ad28b31433058445a27db722f60402ee820beaDouglas Gregor 7394ad28b31433058445a27db722f60402ee820beaDouglas Gregor // Fall through 7494ad28b31433058445a27db722f60402ee820beaDouglas Gregor 755ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 765ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 775ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 7895ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = 0; 7995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8195ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(SingleDecl); 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 8895ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::DeclGroupPtrTy 8995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 915f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 8> ClassNames; 925f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ClassLocs; 93c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek 941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 96df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 9995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(0); 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 102c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 1041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 105df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 11395ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(0); 1141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 115c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 116c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 117c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 120d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggenvoid Parser::CheckNestedObjCContexts(SourceLocation AtLoc) 121d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen{ 122d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Sema::ObjCContainerKind ock = Actions.getObjCContainerKind(); 123d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (ock == Sema::OCK_None) 124d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen return; 125d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 126d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Decl *Decl = Actions.ActOnAtEnd(getCurScope(), AtLoc); 127d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(AtLoc, diag::err_objc_missing_end) 128d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(AtLoc, "@end\n"); 129d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (Decl) 130d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(Decl->getLocStart(), diag::note_objc_container_start) 131d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) ock; 132d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (!PendingObjCImpDecl.empty()) 133d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen PendingObjCImpDecl.pop_back(); 134d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen ObjCImpDecl = 0; 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; 298d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind; 299d0014540005f2a5ab837365db6bd40f479406758John McCall 300a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback(Parser &P, 3015f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &Props, 302d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 303d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind) : 304a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian P(P), Props(Props), OCDS(OCDS), AtLoc(AtLoc), 305d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind(MethodImplKind) { 306d0014540005f2a5ab837365db6bd40f479406758John McCall } 307d0014540005f2a5ab837365db6bd40f479406758John McCall 308d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 309d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.D.getIdentifier() == 0) { 310d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 311d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 312d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 313d0014540005f2a5ab837365db6bd40f479406758John McCall } 314d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.BitfieldSize) { 315d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 316d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 317d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 318d0014540005f2a5ab837365db6bd40f479406758John McCall } 319d0014540005f2a5ab837365db6bd40f479406758John McCall 320d0014540005f2a5ab837365db6bd40f479406758John McCall // Install the property declarator into interfaceDecl. 321d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SelName = 322d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 323d0014540005f2a5ab837365db6bd40f479406758John McCall 324d0014540005f2a5ab837365db6bd40f479406758John McCall Selector GetterSel = 325d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 326d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 327d0014540005f2a5ab837365db6bd40f479406758John McCall Selector SetterSel; 328d0014540005f2a5ab837365db6bd40f479406758John McCall if (SetterName) 329d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 330d0014540005f2a5ab837365db6bd40f479406758John McCall else 331d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = SelectorTable::constructSetterName(P.PP.getIdentifierTable(), 332d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable(), 333d0014540005f2a5ab837365db6bd40f479406758John McCall FD.D.getIdentifier()); 334d0014540005f2a5ab837365db6bd40f479406758John McCall bool isOverridingProperty = false; 335d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Property = 33623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor P.Actions.ActOnProperty(P.getCurScope(), AtLoc, FD, OCDS, 337a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian GetterSel, SetterSel, 338d0014540005f2a5ab837365db6bd40f479406758John McCall &isOverridingProperty, 339d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind); 340d0014540005f2a5ab837365db6bd40f479406758John McCall if (!isOverridingProperty) 341d0014540005f2a5ab837365db6bd40f479406758John McCall Props.push_back(Property); 342d0014540005f2a5ab837365db6bd40f479406758John McCall 343d0014540005f2a5ab837365db6bd40f479406758John McCall return Property; 344d0014540005f2a5ab837365db6bd40f479406758John McCall } 345d0014540005f2a5ab837365db6bd40f479406758John McCall}; 346d0014540005f2a5ab837365db6bd40f479406758John McCall 34799ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid Parser::ObjCPropertyCallback::anchor() { 34899ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie} 34999ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 350dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 351dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 352dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 353294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 3543536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 355dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 356dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 357dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 358294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 359294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 360294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 361294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 3622f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(tok::ObjCKeywordKind contextKey, 3632f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian Decl *CDecl) { 3645f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> allMethods; 3655f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 16> allProperties; 3665f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclGroupPtrTy, 8> allTUVariables; 36700933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 369782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceRange AtEnd; 3702f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian 371294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 372e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 373df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 374d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *methodPrototype = 375a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCMethodPrototype(MethodImplKind, false); 37625e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 3773536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 3783536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 3790db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis if (ExpectAndConsumeSemi(diag::err_expected_semi_after_method_proto)) { 3800db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis // We didn't find a semi and we error'ed out. Skip until a ';' or '@'. 3810db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis SkipUntil(tok::at, /*StopAtSemi=*/true, /*DontConsume=*/true); 3820db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis if (Tok.is(tok::semi)) 3830db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis ConsumeToken(); 3840db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis } 385294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 386294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 38705511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian if (Tok.is(tok::l_paren)) { 38805511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian Diag(Tok, diag::err_expected_minus_or_plus); 389d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParseObjCMethodDecl(Tok.getLocation(), 390d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::minus, 39190ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, false); 39205511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian continue; 39305511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 394e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 395e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 396294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 397e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 398e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 400bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 401e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 402e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 404b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor // Code completion within an Objective-C interface. 405b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor if (Tok.is(tok::code_completion)) { 40623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 407f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall ObjCImpDecl? Sema::PCC_ObjCImplementation 408f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_ObjCInterface); 4097d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 410b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor } 411b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor 412e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 413e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 4141fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 4151fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 4161fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 4171fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 4181fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 4190b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 4207f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall allTUVariables.push_back(ParseDeclarationOrFunctionDefinition(attrs)); 421e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 422e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 4231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 424e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 425e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 426c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 427a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 4287d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 429c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor break; 430c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 431c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 432a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 434a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 435782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setBegin(AtLoc); 436782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setEnd(Tok.getLocation()); 437e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 438c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor } else if (DirectiveKind == tok::objc_not_keyword) { 439c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor Diag(Tok, diag::err_objc_unknown_at); 440c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor SkipUntil(tok::semi); 441c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor continue; 442bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 4431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 444bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 445bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 446bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 447a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 448a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 449bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 450bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 451bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 452bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 453f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 454bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 455a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 456a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 45746d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 45846d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian case tok::objc_implementation: 459df81c2c6ce37f4ae3c45dd01093b6274fa0b6692Fariborz Jahanian case tok::objc_interface: 460d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(AtLoc, diag::err_objc_missing_end) 461d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(AtLoc, "@end\n"); 462d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(CDecl->getLocStart(), diag::note_objc_container_start) 463d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) Actions.getObjCContainerKind(); 46446d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian ConsumeToken(); 46546d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian break; 46646d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 467a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 468a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 469a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 470bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 471e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 472bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 473a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 474bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 475a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 477a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 478f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 479b321c0c0ba957d78475e72cebde4028fdaa00f8fChris Lattner Diag(AtLoc, diag::err_objc_properties_require_objc2); 480f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 481e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 4838ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 484a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCPropertyAttribute(OCDS); 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 486a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback Callback(*this, allProperties, 487d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS, AtLoc, MethodImplKind); 488bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 489e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 4900b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 491bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4937da19ea50d4161fcda40d135735bcf450cabeb50John McCall ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list); 494a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 495f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 496294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 497bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 498bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 499bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 500c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 501a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 5027d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 503d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } else if (Tok.isObjCAtKeyword(tok::objc_end)) { 504bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 505d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } else { 506d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(Tok, diag::err_objc_missing_end) 507d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(Tok.getLocation(), "\n@end\n"); 508d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(CDecl->getLocStart(), diag::note_objc_container_start) 509d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) Actions.getObjCContainerKind(); 510d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtEnd.setBegin(Tok.getLocation()); 511d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtEnd.setEnd(Tok.getLocation()); 512d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } 5131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 514a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 515bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 516a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnAtEnd(getCurScope(), AtEnd, 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump allMethods.data(), allMethods.size(), 518beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allProperties.data(), allProperties.size(), 519beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allTUVariables.data(), allTUVariables.size()); 520294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 521294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 522d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 523d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 524d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 525d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 526d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 527d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 528d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 529d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 530d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 531d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 532d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 533d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 534d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 535d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 536d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 537f85e193739c953358c865005855253af4f68a497John McCall/// atomic 538f85e193739c953358c865005855253af4f68a497John McCall/// strong 539f85e193739c953358c865005855253af4f68a497John McCall/// weak 540f85e193739c953358c865005855253af4f68a497John McCall/// unsafe_unretained 541d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 542a28948f34817476d02412fa204cae038e228c827Fariborz Jahanianvoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 5438ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 5444a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 5454a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 5461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 547cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 548ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 54923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyFlags(getCurScope(), DS); 5507d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 551ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 552d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 5531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 554f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 555f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 5564a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 557f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 558f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 560156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 5611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 563e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 56492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 565e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 566f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("unsafe_unretained")) 567f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_unsafe_unretained); 56892e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 569e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 57092e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 571e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 572f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("strong")) 573f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_strong); 57492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 575e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 57692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 577e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 57845937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian else if (II->isStr("atomic")) 57945937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_atomic); 580f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("weak")) 581f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_weak); 58292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 58342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson bool IsSetter = II->getNameStart()[0] == 's'; 58442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 585e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 58642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson unsigned DiagID = IsSetter ? diag::err_objc_expected_equal_for_setter : 58742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson diag::err_objc_expected_equal_for_getter; 58842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 58942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (ExpectAndConsume(tok::equal, DiagID, "", tok::r_paren)) 590dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 5911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5924ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (Tok.is(tok::code_completion)) { 59342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) 594a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySetter(getCurScope()); 5954ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor else 596a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyGetter(getCurScope()); 5977d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 5984ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor } 5994ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor 60042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 60142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson SourceLocation SelLoc; 60242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson IdentifierInfo *SelIdent = ParseObjCSelectorPiece(SelLoc); 60342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 60442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (!SelIdent) { 60542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson Diag(Tok, diag::err_objc_expected_selector_for_getter_setter) 60642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson << IsSetter; 6078ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 6088ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 6098ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) { 6128ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 61342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setSetterName(SelIdent); 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 615e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian if (ExpectAndConsume(tok::colon, 616e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian diag::err_expected_colon_after_setter_name, "", 617156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 6188ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 6198ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 6208ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 62142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setGetterName(SelIdent); 6228ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 623e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 624a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 625cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 626cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 627cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 629156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 630156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 632156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 633d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 6341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6354a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 636d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 637d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 6383536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 6403536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 641294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 642294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 643294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 644294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6454985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 6464985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 6474985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 648a28948f34817476d02412fa204cae038e228c827Fariborz JahanianDecl *Parser::ParseObjCMethodPrototype(tok::ObjCKeywordKind MethodImplKind, 64990ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 650df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 651294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 653bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 654a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodDecl(mLoc, methodType, MethodImplKind, 65590ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodDefinition); 6563536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 6572bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 658f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 659294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 660294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 661294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 662294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 663294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 664294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 665294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 666294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 667294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 668294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6692fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 670be74740cc246ce08d42804a684385a42eb814edbFariborz Jahanian 671ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 672ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 673ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 674afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampamp: 675afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampequal: 676afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::amp: 677afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipe: 678afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::tilde: 679afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaim: 680afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaimequal: 681afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipepipe: 682afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipeequal: 683afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caret: 684afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caretequal: { 6853846ca29a8cc1d376a4b695194c29952dbbfb544Fariborz Jahanian std::string ThisTok(PP.getSpelling(Tok)); 686afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian if (isalpha(ThisTok[0])) { 687afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian IdentifierInfo *II = &PP.getIdentifierTable().get(ThisTok.data()); 688afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian Tok.setKind(tok::identifier); 689afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian SelectorLoc = ConsumeToken(); 690afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return II; 691afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 692afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return 0; 693afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 694afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian 695ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 696ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 697ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 6989298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 699ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 700ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 701ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 702ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 703ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 704ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 705ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 706ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 707ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 708ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 709ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 710ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 711ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 712ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 713ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 714ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 715ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 716ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 717ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 718ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 719ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 720ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 721ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 722ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 723ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 724ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 725ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 726ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 727ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 728ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 729ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 730ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 731ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 732ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 733ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 734ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 735ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 736ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 737ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 738ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 739ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 740ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 741ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 742ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 743ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 744ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 745ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 746ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 747ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 748ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 749ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 750ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 751ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 752ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 753ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 754ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 755ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 756ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 757ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 758ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 759ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 760ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 761ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 762ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 763ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 764ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 7654b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 766ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 767d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 768294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 769294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 7700196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 7710196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 772335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 7733ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 7743ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 7753ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (getLang().ObjC2 && Tok.is(tok::identifier) && 7775ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 7780196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 7790196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 780a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 781e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 782e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 783294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 784294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 785294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 786294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 787294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 788b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregorvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS, 789cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::TheContext Context) { 790cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert(Context == Declarator::ObjCParameterContext || 791cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Context == Declarator::ObjCResultContext); 792cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 793e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 794d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor if (Tok.is(tok::code_completion)) { 795b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor Actions.CodeCompleteObjCPassingType(getCurScope(), DS, 796cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Context == Declarator::ObjCParameterContext); 7977d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 798d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor } 799d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor 800cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 801e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 8021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 803e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 804e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 805a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 806e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 808a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 809e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 810b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown decl qualifier"); 811a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 812a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 813a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 814a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 815a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 816a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 817e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 818a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 819e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 820e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 821e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 822e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 824e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 825e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 826e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 827e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 828e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 829cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// Take all the decl attributes out of the given list and add 830cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// them to the given attribute set. 831cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCallstatic void takeDeclAttributes(ParsedAttributes &attrs, 832cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall AttributeList *list) { 833cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall while (list) { 834cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall AttributeList *cur = list; 835cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall list = cur->getNext(); 836cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 837cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!cur->isUsedAsTypeAttr()) { 838cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Clear out the next pointer. We're really completely 839cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // destroying the internal invariants of the declarator here, 840cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // but it doesn't matter because we're done with it. 841cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall cur->setNext(0); 842cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.add(cur); 843cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 844cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 845cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall} 846cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 847cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// takeDeclAttributes - Take all the decl attributes from the given 848cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// declarator and add them to the given list. 849cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCallstatic void takeDeclAttributes(ParsedAttributes &attrs, 850cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator &D) { 851cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // First, take ownership of all attributes. 852cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.getPool().takeAllFrom(D.getAttributePool()); 853cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.getPool().takeAllFrom(D.getDeclSpec().getAttributePool()); 854cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 855cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Now actually move the attributes over. 856cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, D.getDeclSpec().getAttributes().getList()); 857cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, D.getAttributes()); 858cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall for (unsigned i = 0, e = D.getNumTypeObjects(); i != e; ++i) 859cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, 860cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall const_cast<AttributeList*>(D.getTypeObject(i).getAttrs())); 861cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall} 862cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 863e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 864e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 865e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 866e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 867b77cab97f17f946744c920629ca17271308d8ebfDouglas GregorParsedType Parser::ParseObjCTypeName(ObjCDeclSpec &DS, 868cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::TheContext context, 869cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParsedAttributes *paramAttrs) { 870cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert(context == Declarator::ObjCParameterContext || 871cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall context == Declarator::ObjCResultContext); 872cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert((paramAttrs != 0) == (context == Declarator::ObjCParameterContext)); 873cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 874df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8764a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 8774a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 8784a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 879e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 8809735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 8819735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 88219d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 883cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseObjCTypeQualifierList(DS, context); 8844fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 885b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty; 886809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 887cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Parse an abstract declarator. 888cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall DeclSpec declSpec(AttrFactory); 889cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall declSpec.setObjCQualifiers(&DS); 890cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseSpecifierQualifierList(declSpec); 891cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator declarator(declSpec, context); 892cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseDeclarator(declarator); 893cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 894cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // If that's not invalid, extract a type. 895cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!declarator.isInvalidType()) { 896cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall TypeResult type = Actions.ActOnTypeName(getCurScope(), declarator); 897cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!type.isInvalid()) 898cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Ty = type.get(); 899cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 900cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // If we're parsing a parameter, steal all the decl attributes 901cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // and add them to the decl spec. 902cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (context == Declarator::ObjCParameterContext) 903cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(*paramAttrs, declarator); 904cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 905cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } else if (context == Declarator::ObjCResultContext && 906cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Tok.is(tok::identifier)) { 907e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!Ident_instancetype) 908e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ident_instancetype = PP.getIdentifierInfo("instancetype"); 909e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 910e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (Tok.getIdentifierInfo() == Ident_instancetype) { 911e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ty = Actions.ActOnObjCInstanceType(Tok.getLocation()); 912e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ConsumeToken(); 913e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor } 914809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 915e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 9164a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 9174a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 9184a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 919e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 9201ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 9214a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 9224a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 9234a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 9244a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 9254a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 926294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 927f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 928294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 929294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 930294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 931294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 9324985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 933294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 9344985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 935294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 936294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 9371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 938294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 939294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 940294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 9417ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 9427ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 9437ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 9447ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 945294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9464985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 9474985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 948294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9494985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 9504985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 951294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9524985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 953294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 954294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9557ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 9567ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 9577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 958d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 9592ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::TokenKind mType, 96090ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian tok::ObjCKeywordKind MethodImplKind, 96190ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 96254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject PD(*this); 96354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 964e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 96523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 966a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian /*ReturnType=*/ ParsedType()); 9677d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 9687d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 969e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 970e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 971e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 972b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReturnType; 973a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 974df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 975cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ReturnType = ParseObjCTypeName(DSRet, Declarator::ObjCResultContext, 0); 9761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9779e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // If attributes exist before the method, parse them. 9780b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes methodAttrs(AttrFactory); 9797f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 9800b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 9819e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek 982e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 98323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 984a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ReturnType); 9857d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 9867d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 987e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 988e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 9899e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // Now parse the selector. 990bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 9912fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 992e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 99384c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 99484c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 9951ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 9961ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 997e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 998e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 999d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1000e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10025f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclaratorChunk::ParamInfo, 8> CParamInfo; 1003df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1004ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 10057f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 10060b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 10071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1008ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 1009d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 10107f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1011a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 1012926df6cfabf3eaa4afc990c097fa4619b76a9b57Douglas Gregor selLoc, Sel, 0, 10134f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 10140b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), MethodImplKind, 10150b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall false, MethodDefinition); 101654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 101754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1018ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 1019f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 10205f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 102111d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis SmallVector<SourceLocation, 12> KeyLocs; 10225f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Sema::ObjCArgInfo, 12> ArgInfos; 10237f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian ParseScope PrototypeScope(this, 10247f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian Scope::FunctionPrototypeScope|Scope::DeclScope); 10250b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 10260b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall AttributePool allParamAttrs(AttrFactory); 10277f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1028ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 10290b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes paramAttrs(AttrFactory); 1030f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::ObjCArgInfo ArgInfo; 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1032ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 1033df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1034ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 1035ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 1036ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 1037ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 10381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1039b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ArgInfo.Type = ParsedType(); 1040e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 1041cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec, 1042cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::ObjCParameterContext, 1043cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ¶mAttrs); 1044e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 1045ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 1046cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Regardless, collect all the attributes we've parsed so far. 1047e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 10487f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) { 10490b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(paramAttrs); 10500b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ArgInfo.ArgAttrs = paramAttrs.getList(); 10517f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 10527ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 105340ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor // Code completion for the next piece of the selector. 105440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor if (Tok.is(tok::code_completion)) { 105540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.push_back(SelIdent); 105640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 105740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor mType == tok::minus, 105840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/true, 105940ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor ReturnType, 106040ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.data(), 106140ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.size()); 10627d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 10637d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 106440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor } 106540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor 1066df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1067ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 1068ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 10694985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 10701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1071e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 1072e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 1073ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 10741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1075e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 1076e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 107711d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis KeyLocs.push_back(selLoc); 1078e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 10790b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall // Make sure the attributes persist. 10800b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall allParamAttrs.takeAllFrom(paramAttrs.getPool()); 10810b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 10821f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor // Code completion for the next piece of the selector. 10831f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor if (Tok.is(tok::code_completion)) { 10841f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 10851f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor mType == tok::minus, 108640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/false, 10871f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor ReturnType, 10881f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.data(), 10891f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.size()); 10907d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 10917d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 10921f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor } 10931f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor 1094ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 109511d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis SelIdent = ParseObjCSelectorPiece(selLoc); 1096df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 1097ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 1098ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 1099ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 11001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1101335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 11021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1103ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 1104df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 1105ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 1106df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 1107335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 11084985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 1109ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 11104985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 11110b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1112ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 1114ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 1115ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 11164f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian IdentifierInfo *ParmII = ParmDecl.getIdentifier(); 1117d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = Actions.ActOnParamDeclarator(getCurScope(), ParmDecl); 11184f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, 11194f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian ParmDecl.getIdentifierLoc(), 11204f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian Param, 11214f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 0)); 11224f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 11234985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11259c4bb2c08989265411925a04252fd4f93c26e3b1Cameron Esfahani // FIXME: Add support for optional parameter list... 1126e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 11277f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 11280b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 11297f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1130a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (KeyIdents.size() == 0) 1131d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 11327f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1133ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 1134ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 1135d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 11367f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1137a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 113811d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis KeyLocs, Sel, &ArgInfos[0], 11394f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 11400b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), 114190ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, isVariadic, MethodDefinition); 11427f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 114354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 114454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1145294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 1146294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 1147dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 1148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 1149dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 11507caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 11515f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerParseObjCProtocolReferences(SmallVectorImpl<Decl *> &Protocols, 11525f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceLocation> &ProtocolLocs, 115371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 115471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 1155e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 115771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11595f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolIdents; 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1161e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 116255385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 116355385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 116455385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 11657d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 11667d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return true; 116755385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 116855385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 1169e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 1170e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 1171e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 1172e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1173e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 1174e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 1175e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 117671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 1177e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1179e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 1180e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 1181e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 1182e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1184e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 1185e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 1186e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 1187e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1188e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 11891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1190e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 11911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1192e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 1193e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 1194e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 1195e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 1196e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 1197e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 1198e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 11999bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// \brief Parse the Objective-C protocol qualifiers that follow a typename 12009bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// in a decl-specifier-seq, starting at the '<'. 120146f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregorbool Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) { 12029bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(Tok.is(tok::less) && "Protocol qualifiers start with '<'"); 12039bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(getLang().ObjC1 && "Protocol qualifiers only exist in Objective-C"); 12049bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor SourceLocation LAngleLoc, EndProtoLoc; 12055f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolDecl; 12065f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 120746f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor bool Result = ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, 120846f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor LAngleLoc, EndProtoLoc); 12099bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), 12109bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ProtocolLocs.data(), LAngleLoc); 12119bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (EndProtoLoc.isValid()) 12129bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(EndProtoLoc); 121346f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor return Result; 12149bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor} 12159bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 12169bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 1217dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 1218dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 1219dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1220dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 1221dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 1222dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 1223dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 1224dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 1225dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 1226dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 1227dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1228dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 1229dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 1230dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 1231dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 1232ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 1233dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1234dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 1236dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1237d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCClassInstanceVariables(Decl *interfaceDecl, 123883c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian tok::ObjCKeywordKind visibility, 123960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 1240df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 12415f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> AllIvarDecls; 1242a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 12431a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 12443a387441ae339363ee5b254658f295e97bd9e913Argyrios Kyrtzidis ObjCDeclContextSwitch ObjCDC(*this); 124572de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 12464a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 12474a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 12481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1249ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 1250df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1251ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 12521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1253ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 1254df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1255f13ca06e57ac094ed05ea08c26a499af1ba0ce88Douglas Gregor Diag(Tok, diag::ext_extra_ivar_semi) 1256849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1257ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1258ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1259ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 12601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1261ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 1262df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 1263ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 1264c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1265c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 126623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtVisibility(getCurScope()); 12677d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1268c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1269c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1270861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 1271ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 1272ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 1273ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 1274ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 1275861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 1276ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 12771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 1278ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 1279ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 1280ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1281ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1282ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 12831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1284c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 128523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 1286f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PCC_ObjCInstanceVariableList); 12877d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1288c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1289c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1290bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 1291bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 1292d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *IDecl; 1293bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 12945f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls; 1295bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1296d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCIvarCallback(Parser &P, Decl *IDecl, tok::ObjCKeywordKind V, 12975f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls) : 1298bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 1299bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1300bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1301d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 1302a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian P.Actions.ActOnObjCContainerStartDefinition(IDecl); 1303bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 1304d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Field 130523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = P.Actions.ActOnIvar(P.getCurScope(), 1306bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 1307a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 130810af87932fe4bffad539b24d512a33a1803daeaeFariborz Jahanian P.Actions.ActOnObjCContainerFinishDefinition(); 13090bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian if (Field) 13100bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian AllIvarDecls.push_back(Field); 1311bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Field; 1312bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1313bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 1314d097be8f81fbf4ed96ac10bae18562dd8202666bFariborz Jahanian 1315e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 13160b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1317bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 13181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1319df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1320ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1321ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 1322ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 1323ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 1324ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 1325ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1326ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 13274a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 13284a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 1329a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(interfaceDecl); 13304a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor Actions.ActOnLastBitfield(T.getCloseLocation(), AllIvarDecls); 133110af87932fe4bffad539b24d512a33a1803daeaeFariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(); 13328749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 13338749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 133423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFields(getCurScope(), atLoc, interfaceDecl, 133577b6de07be9186063c12928d2e9785a5d4eecbf6David Blaikie AllIvarDecls, 13364a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), T.getCloseLocation(), 0); 1337ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 13385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1339dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1340dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 1341dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 1342dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 1343dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1344dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 13451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @protocol identifier 13461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 1348dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 1349dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1350dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 1351dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 1352dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1353dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 13543536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1355dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1356bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas GregorParser::DeclGroupPtrTy 1357bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas GregorParser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 1358bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor ParsedAttributes &attrs) { 1359861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 13607ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 13617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 13621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1363083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 136423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(getCurScope()); 13657d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1366bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 1367083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1368083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1369df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 13707ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 1371bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 13727ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 13737ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 13747ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 13757ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 13761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1377df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 13787caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 13797ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 13817f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 13827ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 13831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138490ec96f3026480fa41057b05d58f338aed585f62Erik Verbruggen CheckNestedObjCContexts(AtLoc); 138590ec96f3026480fa41057b05d58f338aed585f62Erik Verbruggen 1386df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 13875f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolRefs; 13887caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 13897caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 13907ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 13917ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 13927ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1393df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 13947ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 13957ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1396bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 13977ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 13987caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 13997caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 14007ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1402df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 14037ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 14047ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 14057ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 14067ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1407bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1409e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1411bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 14127f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 14137caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 14141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14157ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 141671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 14177caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 14185f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 14195f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 14207caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 142171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 142271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1423bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1425d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ProtoType = 1426e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1427beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1428beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 142918df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 14307f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 1431a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 14322f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_protocol, ProtoType); 1433bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return Actions.ConvertDeclToDeclGroup(ProtoType); 1434dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1435dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1436dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1437dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1438dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1439dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1440dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1441dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1442dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1443dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1444dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1445dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1446d64251fd56577dd5c78903454632361e094c6dc1Erik VerbruggenDecl *Parser::ParseObjCAtImplementationDeclaration(SourceLocation AtLoc) { 1447ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1448ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1449d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen CheckNestedObjCContexts(AtLoc); 1450ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 14511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14523b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 14533b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 145423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(getCurScope()); 14557d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 14567d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 14573b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 14583b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1459df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1460ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1461d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1462ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1463ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1464ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1465ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 14661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1468ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1469dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeParen(); 1470ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1471ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 14721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147333ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 147423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(getCurScope(), nameId, nameLoc); 14757d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 14767d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 147733ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 147833ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1479df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1480ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1481ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1482ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1483ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1484d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 14851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1486df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1487ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1488ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1489d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1490ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1491ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1492d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplCatType = Actions.ActOnStartCategoryImplementation( 1493d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtLoc, nameId, nameLoc, categoryId, 14948f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1495a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1496a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 149763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1498d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1499ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1500ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1501ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1502ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1503df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1504ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1505ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1506df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1507ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1508d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1509ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1510ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1511ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1512ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1513d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplClsType = Actions.ActOnStartClassImplementation( 1514d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtLoc, nameId, nameLoc, 1515ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 151760fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 1518d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen ParseObjCClassInstanceVariables(ImplClsType, tok::objc_private, AtLoc); 1519a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1520a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 152163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1522d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 15235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 152460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1525140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::DeclGroupPtrTy 1526140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::ParseObjCAtEndDeclaration(SourceRange atEnd) { 1527ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1528ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1529ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1530140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian SmallVector<Decl *, 8> DeclsInGroup; 15318697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian Actions.DefaultSynthesizeProperties(getCurScope(), ObjCImpDecl); 1532140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian for (size_t i = 0; i < LateParsedObjCMethods.size(); ++i) { 1533140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Decl *D = ParseLexedObjCMethodDefs(*LateParsedObjCMethods[i]); 153435593a9add85353532519f8eba5ec513a611aac5Argyrios Kyrtzidis if (D) 153535593a9add85353532519f8eba5ec513a611aac5Argyrios Kyrtzidis DeclsInGroup.push_back(D); 1536140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian } 1537140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian DeclsInGroup.push_back(ObjCImpDecl); 15388697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian 1539a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian if (ObjCImpDecl) { 1540a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnAtEnd(getCurScope(), atEnd); 154163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.pop_back(); 1542a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian } 15438697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian else 1544782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek // missing @implementation 1545d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(atEnd.getBegin(), diag::err_expected_objc_container); 15468697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian 15472fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis clearLateParsedObjCMethods(); 15488697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian ObjCImpDecl = 0; 1549140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return Actions.BuildDeclaratorGroup( 1550140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian DeclsInGroup.data(), DeclsInGroup.size(), false); 15515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1552e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 15533fe104154dd2e8ffb351142d74f308938b5c99bfFariborz JahanianParser::DeclGroupPtrTy Parser::FinishPendingObjCActions() { 15543fe104154dd2e8ffb351142d74f308938b5c99bfFariborz Jahanian Actions.DiagnoseUseOfUnimplementedSelectors(); 155563e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian if (PendingObjCImpDecl.empty()) 1556d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return Actions.ConvertDeclToDeclGroup(0); 1557d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 1558d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImpDecl = PendingObjCImpDecl.pop_back_val(); 1559d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Actions.ActOnAtEnd(getCurScope(), SourceRange(Tok.getLocation())); 1560d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(Tok, diag::err_objc_missing_end) 1561d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(Tok.getLocation(), "\n@end\n"); 1562d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (ImpDecl) 1563d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(ImpDecl->getLocStart(), diag::note_objc_container_start) 1564d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << Sema::OCK_Implementation; 1565d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 156663e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian return Actions.ConvertDeclToDeclGroup(ImpDecl); 156763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian} 156863e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 15692fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidisvoid Parser::clearLateParsedObjCMethods() { 15702fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis for (LateParsedObjCMethodContainer::iterator 15712fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis I = LateParsedObjCMethods.begin(), 15722fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis E = LateParsedObjCMethods.end(); I != E; ++I) 15732fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis delete *I; 15742fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis LateParsedObjCMethods.clear(); 15752fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis} 15762fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis 1577e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1578e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1579e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1580d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1581e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1582e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1583e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1584df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1585e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1586d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1587e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1588243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1589243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1590df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1591e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1592d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1593e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1594243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1595243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1596e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 1597e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor "@compatibility_alias"); 1598b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1599b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1602ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1603ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1604ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1605ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1606ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1607ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1608ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1609ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1610ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1611ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1612ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1613d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1614ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1615ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1616dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume synthesize 16171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1618b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1619322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1620a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 16217d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 16227d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1623322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1624322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1625b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1626b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1627b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1628d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1629b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1630b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor 1631f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1632f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1633f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1634a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor SourceLocation propertyIvarLoc; 1635df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1636ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1637ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1638322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1639322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1640a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySynthesizeIvar(getCurScope(), propertyId); 16417d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 16427d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1643322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1644322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1645df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1646ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1647ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1648ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1649f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1650a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyIvarLoc = ConsumeToken(); // consume ivar-name 1651ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1652a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, true, 1653a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, propertyIvar, propertyIvarLoc); 1654df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1655ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1656ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1657ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1658e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@synthesize"); 1659d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1660ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1661ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1662ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1663ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1664ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1665ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1666ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1667ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1668ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1669d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1670ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1671ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1672dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume dynamic 1673424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1674424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 1675a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 16767d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 16777d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1678424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1679424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1680424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1681424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Diag(Tok, diag::err_expected_ident); 1682424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 1683d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1684424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1685424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1686c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1687c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1688a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, false, 1689a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, 0, SourceLocation()); 1690c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1691df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1692ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1693ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1694ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1695e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@dynamic"); 1696d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1697ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 16981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1699397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1700397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1701397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 170260d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 170360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res; 1704397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1705df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 170639f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 17070e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1708397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 170943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1710397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1711397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 171202418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek // consume ';' 171302418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@throw"); 17149ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtThrowStmt(atLoc, Res.take(), getCurScope()); 1715397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1716397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1717c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 171878a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1719c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 172060d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult 172143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1722fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1723fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 17241ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 172543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1726fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 172707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 172807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // The operand is surrounded with parentheses. 1729fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 173007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ExprResult operand(ParseExpression()); 173107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 173207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (Tok.is(tok::r_paren)) { 173307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ConsumeParen(); // ')' 173407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall } else { 173507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 173607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_rparen); 173707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 173807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Skip forward until we see a left brace, but don't consume it. 173907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall SkipUntil(tok::l_brace, true, true); 1740fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 174107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 174207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Require a compound statement. 174378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 174407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 174507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_lbrace); 174643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 174778a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 17483ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 174907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Check the @synchronized operand now. 175007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 175107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall operand = Actions.ActOnObjCAtSynchronizedOperand(atLoc, operand.take()); 175207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 175307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Parse the compound statement within a new scope. 175407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ParseScope bodyScope(this, Scope::DeclScope); 175507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall StmtResult body(ParseCompoundStatementBody()); 175607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall bodyScope.Exit(); 175707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 175807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // If there was a semantic or parse error earlier with the 175907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // operand, fail now. 176007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (operand.isInvalid()) 176107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return StmtError(); 176207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 176307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (body.isInvalid()) 176407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall body = Actions.ActOnNullStmt(Tok.getLocation()); 17650e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 176607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return Actions.ActOnObjCAtSynchronizedStmt(atLoc, operand.get(), body.get()); 1767c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1768c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1769397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1770397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1771397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1772397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1773397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1774397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1775397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1776397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1777397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1778397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1779397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 178060d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1781397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 178243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1783397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1784df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 17851ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 178643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1787397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 17888f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor StmtVector CatchStmts(Actions); 178960d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyStmt; 17908935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 179160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult TryBody(ParseCompoundStatementBody()); 17928935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 17930e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1794bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1795a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1796df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 17976b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 17986b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 17996b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 18006b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 18016b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 18026b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 18036b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 18040e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1805161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1806cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1807d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *FirstPart = 0; 18083b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1809df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1810397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1811e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1812df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 18130b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1814397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 181517b6399f8461c5b7e1c6f367b0a0dde49f921240Argyrios Kyrtzidis Declarator ParmDecl(DS, Declarator::ObjCCatchContext); 18167ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 18177ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 18184e6c0d19b7c072758922cf80525a81aeefc6e64bDouglas Gregor // Inform the actions module about the declarator, so it 18197ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 182023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor FirstPart = Actions.ActOnObjCExceptionDecl(getCurScope(), ParmDecl); 182164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1822397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 18231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 182493a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 18251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 182693a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 182793a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 182893a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 182993a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 183093a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 183160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult CatchBody(true); 1832c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1833c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1834c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1835c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 18360e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 18373b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 18388f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 183960d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Catch = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 18408f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor RParenLoc, 18418f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor FirstPart, 18429ae2f076ca5ab1feb3ba95629099ec2319833701John McCall CatchBody.take()); 18438f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (!Catch.isInvalid()) 18448f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor CatchStmts.push_back(Catch.release()); 18458f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 184664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 18471ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 18481ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 184943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1850397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1851397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 18526b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 18536b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 185464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 18558935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 18560e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 185760d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyBody(true); 1858c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1859c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1860c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1861c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 18620e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1863161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 18640e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 18659ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyBody.take()); 1866397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1867397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1868397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1869397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1870bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1871397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 187243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1873bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 18748f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 18759ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.take(), 18768f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor move_arg(CatchStmts), 18779ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyStmt.take()); 1878397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1879ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1880f85e193739c953358c865005855253af4f68a497John McCall/// objc-autoreleasepool-statement: 1881f85e193739c953358c865005855253af4f68a497John McCall/// @autoreleasepool compound-statement 1882f85e193739c953358c865005855253af4f68a497John McCall/// 1883f85e193739c953358c865005855253af4f68a497John McCallStmtResult 1884f85e193739c953358c865005855253af4f68a497John McCallParser::ParseObjCAutoreleasePoolStmt(SourceLocation atLoc) { 1885f85e193739c953358c865005855253af4f68a497John McCall ConsumeToken(); // consume autoreleasepool 1886f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isNot(tok::l_brace)) { 1887f85e193739c953358c865005855253af4f68a497John McCall Diag(Tok, diag::err_expected_lbrace); 1888f85e193739c953358c865005855253af4f68a497John McCall return StmtError(); 1889f85e193739c953358c865005855253af4f68a497John McCall } 1890f85e193739c953358c865005855253af4f68a497John McCall // Enter a scope to hold everything within the compound stmt. Compound 1891f85e193739c953358c865005855253af4f68a497John McCall // statements can always hold declarations. 1892f85e193739c953358c865005855253af4f68a497John McCall ParseScope BodyScope(this, Scope::DeclScope); 1893f85e193739c953358c865005855253af4f68a497John McCall 1894f85e193739c953358c865005855253af4f68a497John McCall StmtResult AutoreleasePoolBody(ParseCompoundStatementBody()); 1895f85e193739c953358c865005855253af4f68a497John McCall 1896f85e193739c953358c865005855253af4f68a497John McCall BodyScope.Exit(); 1897f85e193739c953358c865005855253af4f68a497John McCall if (AutoreleasePoolBody.isInvalid()) 1898f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody = Actions.ActOnNullStmt(Tok.getLocation()); 1899f85e193739c953358c865005855253af4f68a497John McCall return Actions.ActOnObjCAutoreleasePoolStmt(atLoc, 1900f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody.take()); 1901f85e193739c953358c865005855253af4f68a497John McCall} 1902f85e193739c953358c865005855253af4f68a497John McCall 19033536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1904ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1905d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDefinition() { 1906a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodPrototype(); 19071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1908f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, MDecl, Tok.getLocation(), 1909f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing Objective-C method"); 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1911ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1912209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1913496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek if (ObjCImpDecl) { 1914496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 1915849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1916496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 1917ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1918209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1919ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1920409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1921df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1922da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 19231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1924409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1925409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 19261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1927409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1928409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1929d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1930ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1931140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Allow the rest of sema to find private method decl implementations. 1932140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (MDecl) 1933140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Actions.AddAnyMethodToGlobalPool(MDecl); 1934140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 1935140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Consume the tokens and store them for later parsing. 1936140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian LexedMethod* LM = new LexedMethod(this, MDecl); 1937140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian LateParsedObjCMethods.push_back(LM); 1938140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian CachedTokens &Toks = LM->Toks; 1939140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Begin by storing the '{' token. 1940140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Toks.push_back(Tok); 1941140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ConsumeBrace(); 1942140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Consume everything up to (and including) the matching right brace. 1943140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ConsumeAndStoreUntil(tok::r_brace, Toks, /*StopAtSemi=*/false); 194471c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 19455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19465508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 194760d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 19489a0c85e640a08174569a303db22981612f05d385Douglas Gregor if (Tok.is(tok::code_completion)) { 194923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtStatement(getCurScope()); 19507d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 19519a0c85e640a08174569a303db22981612f05d385Douglas Gregor return StmtError(); 19525d8031687d086701b4dadaab3e0de1def448da9dChris Lattner } 19535d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 19545d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_try)) 19556b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 19565d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 19575d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_throw)) 195864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 19595d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 19605d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 196164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 1962f85e193739c953358c865005855253af4f68a497John McCall 1963f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isObjCAtKeyword(tok::objc_autoreleasepool)) 1964f85e193739c953358c865005855253af4f68a497John McCall return ParseObjCAutoreleasePoolStmt(AtLoc); 19655d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 196660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 19670e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 196864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 196964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 197064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 197164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 197243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 197364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 19745d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 197564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 19769ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); 19779ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnExprStmt(Actions.MakeFullExpr(Res.take())); 197864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 197964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 198060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 19815508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 19829a0c85e640a08174569a303db22981612f05d385Douglas Gregor case tok::code_completion: 198323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtExpression(getCurScope()); 19847d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 19859a0c85e640a08174569a303db22981612f05d385Douglas Gregor return ExprError(); 19869a0c85e640a08174569a303db22981612f05d385Douglas Gregor 1987b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1988b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 19891d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1990b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 19914fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 19921d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 19932f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 19944fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 19954fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 19961d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 19974fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 19981d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 19994fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 20001d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 20014fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 20021d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 20034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 20045508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 20055508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 20065508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 20076aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brirg Parse the receiver of an Objective-C++ message send. 20086aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20096aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// This routine parses the receiver of a message send in 20106aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// Objective-C++ either as a type or as an expression. Note that this 20116aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// routine must not be called to parse a send to 'super', since it 20126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// has no way to return such a result. 20136aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param IsExpr Whether the receiver was parsed as an expression. 20156aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param TypeOrExpr If the receiver was parsed as an expression (\c 20176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// IsExpr is true), the parsed expression. If the receiver was parsed 20186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// as a type (\c IsExpr is false), the parsed type. 20196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20206aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \returns True if an error occurred during parsing or semantic 20216aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// analysis, in which case the arguments do not have valid 20226aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// values. Otherwise, returns false for a successful parse. 20236aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 20246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// objc-receiver: [C++] 20256aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 'super' [not parsed here] 20266aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// expression 20276aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier 20286aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// typename-specifier 20296aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr) { 20300fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 20310fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 20326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 20336aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope)) 20346aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TryAnnotateTypeOrScopeToken(); 20356aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!isCXXSimpleTypeSpecifier()) { 20376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 20386aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression 203960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseExpression(); 20406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 20416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 20426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20436aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 20446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 20456aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 20466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 20476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 20496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier 20506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier 20516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression (that starts with one of the above) 20520b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 20536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor ParseCXXSimpleTypeSpecifier(DS); 20546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::l_paren)) { 20566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // If we see an opening parentheses at this point, we are 20576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // actually parsing an expression that starts with a 20586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // function-style cast, e.g., 20596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 20606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression: 20616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier ( expression-list [opt] ) 20626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier ( expression-list [opt] ) 20636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 20646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the remainder of this case, then the (optional) 20656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression suffix, followed by the (optional) 20666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // right-hand side of the binary expression. We have an 20676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // instance method. 206860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseCXXTypeConstructExpression(DS); 20696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 20709ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParsePostfixExpressionSuffix(Receiver.take()); 20716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 20729ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParseRHSOfBinaryExpression(Receiver.take(), prec::Comma); 20736aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 20746aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 20756aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20766aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 20776aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 20786aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 20796aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 20806aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20816aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We have a class message. Turn the simple-type-specifier or 20826aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier we parsed into a type and parse the 20836aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // remainder of the class message. 20846aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 208523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult Type = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 20866aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Type.isInvalid()) 20876aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 20886aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20896aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = false; 2090b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TypeOrExpr = Type.get().getAsOpaquePtr(); 20916aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 20926aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 20936aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20941b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// \brief Determine whether the parser is currently referring to a an 20951b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// Objective-C message send, using a simplified heuristic to avoid overhead. 20961b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// 20971b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// This routine will only return true for a subset of valid message-send 20981b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// expressions. 20991b730e847ded503f2e615154035c083c4f94a067Douglas Gregorbool Parser::isSimpleObjCMessageExpression() { 2100c59cb38810c63a806270385f79ea84e0203754eaChris Lattner assert(Tok.is(tok::l_square) && getLang().ObjC1 && 21011b730e847ded503f2e615154035c083c4f94a067Douglas Gregor "Incorrect start for isSimpleObjCMessageExpression"); 21021b730e847ded503f2e615154035c083c4f94a067Douglas Gregor return GetLookAheadToken(1).is(tok::identifier) && 21031b730e847ded503f2e615154035c083c4f94a067Douglas Gregor GetLookAheadToken(2).is(tok::identifier); 21041b730e847ded503f2e615154035c083c4f94a067Douglas Gregor} 21051b730e847ded503f2e615154035c083c4f94a067Douglas Gregor 21069497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregorbool Parser::isStartOfObjCClassMessageMissingOpenBracket() { 21079497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!getLang().ObjC1 || !NextToken().is(tok::identifier) || 21089497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor InMessageExpression) 21099497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 21109497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21119497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21129497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor ParsedType Type; 21139497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21149497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::annot_typename)) 21159497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = getTypeAnnotation(Tok); 21169497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else if (Tok.is(tok::identifier)) 21179497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = Actions.getTypeName(*Tok.getIdentifierInfo(), Tok.getLocation(), 21189497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor getCurScope()); 21199497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else 21209497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 21219497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21229497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!Type.get().isNull() && Type.get()->isObjCObjectOrInterfaceType()) { 21239497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor const Token &AfterNext = GetLookAheadToken(2); 21249497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (AfterNext.is(tok::colon) || AfterNext.is(tok::r_square)) { 21259497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::identifier)) 21269497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor TryAnnotateTypeOrScopeToken(); 21279497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21289497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return Tok.is(tok::annot_typename); 21299497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 21309497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 21319497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21329497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 21339497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor} 21349497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 21351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 21360ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 21370ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21382725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// objc-receiver: [C] 2139eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner/// 'super' 21400ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 21410ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 21420ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 21436aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 214460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCMessageExpression() { 2145699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 2146699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 2147699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 21488e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor if (Tok.is(tok::code_completion)) { 214923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMessageReceiver(getCurScope()); 21507d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 21518e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor return ExprError(); 21528e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor } 21538e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor 21540fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 21550fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 21566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (getLang().CPlusPlus) { 21576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We completely separate the C and C++ cases because C++ requires 21586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // more complicated (read: slower) parsing. 21596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Handle send to super. 21616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: This doesn't benefit from the same typo-correction we 21626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // get in Objective-C. 21636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) && Tok.getIdentifierInfo() == Ident_super && 216423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor NextToken().isNot(tok::period) && getCurScope()->isInObjcMethodScope()) 2165b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2166b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 21676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the receiver, which is either a type or an expression. 21696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool IsExpr; 2170304b752a450c0fc5968c20ba25446d0bb7c6f68dNick Lewycky void *TypeOrExpr = NULL; 21716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) { 21726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor SkipUntil(tok::r_square); 21736aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ExprError(); 21746aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 21756aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21766aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (IsExpr) 2177b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2178b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 21799ae2f076ca5ab1feb3ba95629099ec2319833701John McCall static_cast<Expr*>(TypeOrExpr)); 21806aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21816aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2182b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType::getFromOpaquePtr(TypeOrExpr), 2183b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 0); 2184c59cb38810c63a806270385f79ea84e0203754eaChris Lattner } 2185c59cb38810c63a806270385f79ea84e0203754eaChris Lattner 2186c59cb38810c63a806270385f79ea84e0203754eaChris Lattner if (Tok.is(tok::identifier)) { 21871dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 21881dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor SourceLocation NameLoc = Tok.getLocation(); 2189b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType; 219023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor switch (Actions.getObjCMessageKind(getCurScope(), Name, NameLoc, 21911dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor Name == Ident_super, 21921569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor NextToken().is(tok::period), 21931569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ReceiverType)) { 2194f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCSuperMessage: 2195b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2196b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 21972725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 2198f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCClassMessage: 21991569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor if (!ReceiverType) { 22002725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SkipUntil(tok::r_square); 22012725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor return ExprError(); 22022725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor } 22032725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 22041569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ConsumeToken(); // the type name 22051569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor 22061569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 22079ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ReceiverType, 0); 22081dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor 2209f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCInstanceMessage: 22102725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor // Fall through to parse an expression. 22111dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor break; 2212d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 2213699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 2214eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner 2215eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner // Otherwise, an arbitrary expression can be the receiver of a send. 221660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpression()); 22170e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 22185c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 22191d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 2220699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 22211d922960e083906a586609ac6978678147250177Sebastian Redl 2222b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2223b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), Res.take()); 2224699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 22251d922960e083906a586609ac6978678147250177Sebastian Redl 22262725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \brief Parse the remainder of an Objective-C message following the 22272725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// '[' objc-receiver. 22282725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22292725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// This routine handles sends to super, class messages (sent to a 22302725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class name), and instance messages (sent to an object), and the 22312725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// target is represented by \p SuperLoc, \p ReceiverType, or \p 22322725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// ReceiverExpr, respectively. Only one of these parameters may have 22332725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// a valid value. 22342725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22352725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param LBracLoc The location of the opening '['. 22362725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22372725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param SuperLoc If this is a send to 'super', the location of the 22382725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 'super' keyword that indicates a send to the superclass. 22392725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22402725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverType If this is a class message, the type of the 22412725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class we are sending a message to. 22422725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 22432725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverExpr If this is an instance message, the expression 22442725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// used to compute the receiver object. 22451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 22460ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 22470ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 22480ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 22490ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 22500ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 22510ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 22520ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 22530ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 22541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 22550ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 22560ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 22570ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 22580ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 22590ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 22600ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 22610ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 22620ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 22631d922960e083906a586609ac6978678147250177Sebastian Redl/// 226460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2265699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 22662725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation SuperLoc, 2267b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, 22681d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 22690fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 22700fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 2271c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 22722725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 227370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 0, 0, 227470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 22752725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 227670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 0, 0, 227770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 2278c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 22799ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 228070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 0, 0, false); 22817d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 22827d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return ExprError(); 2283c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 2284d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 2285a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 22864b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 22872fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 228868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 22895f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2290951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis SmallVector<SourceLocation, 12> KeyLocs; 2291a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 229268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2293df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 2294a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 2295a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 229668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 2297951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis KeyLocs.push_back(Loc); 229837387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 2299df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 2300a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 23014fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 23024fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 23034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 23044fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 23051d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2306a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 23071d922960e083906a586609ac6978678147250177Sebastian Redl 230868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 23091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 231070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 231170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (Tok.is(tok::code_completion)) { 231270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (SuperLoc.isValid()) 231370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 231470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 231570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 231670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 231770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else if (ReceiverType) 231870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 231970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 232070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 232170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 232270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else 232370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 232470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 232570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 232670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 232770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 23287d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 232970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 233070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor } 233170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 233260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 23330e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 23344fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 23354fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 23364fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 23374fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 23381d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 233937387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 23401d922960e083906a586609ac6978678147250177Sebastian Redl 234137387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 2342effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 23431d922960e083906a586609ac6978678147250177Sebastian Redl 2344d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor // Code completion after each argument. 2345d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (Tok.is(tok::code_completion)) { 23462725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 234723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 23482725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor KeyIdents.data(), 234970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 235070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 23512725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 235223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2353d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 235470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 235570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2356d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor else 23579ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2358d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 235970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 236070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 23617d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 236270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 2363d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor } 2364d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 236537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 23662fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 2367df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 2368a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 2369a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 2370a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2371a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 2372df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 237349f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 23741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 237560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 23760e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 23774fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 23784fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 23794fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 23804fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 23811d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 238249f109c786f99eb7468dac3976db083a65493444Steve Naroff } 23830e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 238449f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 2385effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 2386a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2387a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 2388a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 23891d922960e083906a586609ac6978678147250177Sebastian Redl 23904fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 23914fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 23924fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 23934fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 23941d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2395a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2396809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian 2397df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 2398809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian if (Tok.is(tok::identifier)) 2399809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_colon); 2400809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian else 2401809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 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 ExprError(); 2407a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 24081d922960e083906a586609ac6978678147250177Sebastian Redl 2409699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 24101d922960e083906a586609ac6978678147250177Sebastian Redl 241129238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 2412951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis if (nKeys == 0) { 2413ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 2414951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis KeyLocs.push_back(Loc); 2415951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis } 2416ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 24171d922960e083906a586609ac6978678147250177Sebastian Redl 24182725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 241923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnSuperMessage(getCurScope(), SuperLoc, Sel, 2420951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis LBracLoc, KeyLocs, RBracLoc, 2421f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2422f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2423f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 24242725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 242523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnClassMessage(getCurScope(), ReceiverType, Sel, 2426951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis LBracLoc, KeyLocs, RBracLoc, 2427f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2428f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2429f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 24309ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnInstanceMessage(getCurScope(), ReceiverExpr, Sel, 2431951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis LBracLoc, KeyLocs, RBracLoc, 2432f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2433f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2434f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 24350ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 24360ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 243760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 243860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseStringLiteralExpression()); 24391d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 24401d922960e083906a586609ac6978678147250177Sebastian Redl 2441b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 2442b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 2443b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 24445f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 4> AtLocs; 2445a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 2446b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 2447effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 24480e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2449b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 2450b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 2451b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 245215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 245397cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 245497cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 2455b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 245660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Lit(ParseStringLiteralExpression()); 24570e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 24581d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 24590e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2460effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 2461b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 24621d922960e083906a586609ac6978678147250177Sebastian Redl 24631d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 24641d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 24655508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 2466f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 2467f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 2468f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 246960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 24701d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 2471861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 24721d922960e083906a586609ac6978678147250177Sebastian Redl 2473f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 24741d922960e083906a586609ac6978678147250177Sebastian Redl 24754fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 24761d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 24771d922960e083906a586609ac6978678147250177Sebastian Redl 24784a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 24794a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 24801d922960e083906a586609ac6978678147250177Sebastian Redl 2481809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 24821d922960e083906a586609ac6978678147250177Sebastian Redl 24834a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 24841d922960e083906a586609ac6978678147250177Sebastian Redl 2485809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2486809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2487809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 24884a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, 24894a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), Ty.get(), 24904a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation())); 2491f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 249229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 249329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 249429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 249560d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 24961d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 249729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 24981d922960e083906a586609ac6978678147250177Sebastian Redl 24994fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 25001d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 25011d922960e083906a586609ac6978678147250177Sebastian Redl 25024a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 25034a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 25041d922960e083906a586609ac6978678147250177Sebastian Redl 25054fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 25061d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 25071d922960e083906a586609ac6978678147250177Sebastian Redl 2508390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 250929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 25101d922960e083906a586609ac6978678147250177Sebastian Redl 25114a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 251229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 25131d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 25144a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), 25154a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation())); 251629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 2517a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 2518a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 2519a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 252060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 2521a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 25221d922960e083906a586609ac6978678147250177Sebastian Redl 25234fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 25241d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 25251d922960e083906a586609ac6978678147250177Sebastian Redl 25265f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2527a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 2528458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 25294a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 25304a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 25314a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2532458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2533458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2534458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 25357d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2536458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2537458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2538458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 25392fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 25405add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (!SelIdent && // missing selector name. 25415add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 25421d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 25431d922960e083906a586609ac6978678147250177Sebastian Redl 2544b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2545887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 2546887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 2547a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 25485add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (Tok.is(tok::coloncolon)) { // Handle :: in C++. 25495add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 25505add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner KeyIdents.push_back(0); 25515add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner } else if (Tok.isNot(tok::colon)) 25521d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 25531d922960e083906a586609ac6978678147250177Sebastian Redl 25545add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 25553b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner ConsumeToken(); // Eat the ':' or '::'. 2556a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 2557a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2558458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2559458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2560458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2561458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 25627d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2563458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2564458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2565458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2566a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 2567a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 25682fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 2569b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 25703b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner if (!SelIdent && Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 2571a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2572a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 2573887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 25744a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 2575887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 25761d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 25774a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getOpenLocation(), 25784a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.getCloseLocation())); 257958065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 2580140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2581140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianDecl *Parser::ParseLexedObjCMethodDefs(LexedMethod &LM) { 2582a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2583a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Save the current token position. 2584a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis SourceLocation OrigLoc = Tok.getLocation(); 2585a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2586140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian assert(!LM.Toks.empty() && "ParseLexedObjCMethodDef - Empty body!"); 2587140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Append the current token at the end of the new token stream so that it 2588140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // doesn't get lost. 2589140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian LM.Toks.push_back(Tok); 2590140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian PP.EnterTokenStream(LM.Toks.data(), LM.Toks.size(), true, false); 2591140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2592140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // MDecl might be null due to error in method prototype, etc. 2593140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Decl *MDecl = LM.D; 2594140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Consume the previously pushed token. 2595140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ConsumeAnyToken(); 2596140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2597140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian assert(Tok.is(tok::l_brace) && "Inline objective-c method not starting with '{'"); 2598140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian SourceLocation BraceLoc = Tok.getLocation(); 2599140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Enter a scope for the method body. 2600140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ParseScope BodyScope(this, 2601140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Scope::ObjCMethodScope|Scope::FnScope|Scope::DeclScope); 2602140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2603140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Tell the actions module that we have entered a method definition with the 2604140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // specified Declarator for the method. 2605140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Actions.ActOnStartOfObjCMethodDef(getCurScope(), MDecl); 2606140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2607140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (PP.isCodeCompletionEnabled()) { 2608140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (trySkippingFunctionBodyForCodeCompletion()) { 2609140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian BodyScope.Exit(); 2610140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return Actions.ActOnFinishFunctionBody(MDecl, 0); 2611140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian } 2612140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian } 2613140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2614140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian StmtResult FnBody(ParseCompoundStatementBody()); 2615140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2616140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // If the function body could not be parsed, make a bogus compoundstmt. 2617140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (FnBody.isInvalid()) 2618140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 2619140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian MultiStmtArg(Actions), false); 2620140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2621140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Leave the function body scope. 2622140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian BodyScope.Exit(); 2623140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2624a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis MDecl = Actions.ActOnFinishFunctionBody(MDecl, FnBody.take()); 2625a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2626a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis if (Tok.getLocation() != OrigLoc) { 2627a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Due to parsing error, we either went over the cached tokens or 2628a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // there are still cached tokens left. If it's the latter case skip the 2629a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // leftover tokens. 2630a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Since this is an uncommon situation that should be avoided, use the 2631a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // expensive isBeforeInTranslationUnit call. 2632a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis if (PP.getSourceManager().isBeforeInTranslationUnit(Tok.getLocation(), 2633a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis OrigLoc)) 2634a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis while (Tok.getLocation() != OrigLoc && Tok.isNot(tok::eof)) 2635a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis ConsumeAnyToken(); 2636a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis } 2637a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2638a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis return MDecl; 2639140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian} 2640