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 1419510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Parse/Parser.h" 150fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor#include "RAIIObjectsForParser.h" 163f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose#include "clang/Basic/CharInfo.h" 1755fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Parse/ParseDiagnostic.h" 1819510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 19f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 2019510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/Scope.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 2208602359845e668194d111b794b8965358babfe6Fariborz Jahanian#include "llvm/ADT/StringExtras.h" 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 259f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber/// Skips attributes after an Objective-C @ directive. Emits a diagnostic. 26e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Webervoid Parser::MaybeSkipAttributes(tok::ObjCKeywordKind Kind) { 279f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber ParsedAttributes attrs(AttrFactory); 289f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber if (Tok.is(tok::kw___attribute)) { 29e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber if (Kind == tok::objc_interface || Kind == tok::objc_protocol) 30e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber Diag(Tok, diag::err_objc_postfix_attribute_hint) 31e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber << (Kind == tok::objc_protocol); 32e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber else 33e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber Diag(Tok, diag::err_objc_postfix_attribute); 349f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber ParseGNUAttributes(attrs); 359f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber } 369f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber} 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 38891dca671a80c865c6def7259f170ba785e4faaaChris Lattner/// ParseObjCAtDirectives - Handle parts of the external-declaration production: 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 4191fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 4291fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 4391fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 4491fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 4591fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 4695ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::DeclGroupPtrTy Parser::ParseObjCAtDirectives() { 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 50a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 517d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 527d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return DeclGroupPtrTy(); 53c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 5495ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian 5595ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian Decl *SingleDecl = 0; 56861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 575ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 585ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 597f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_interface: { 600b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 6195ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtInterfaceDeclaration(AtLoc, attrs); 6295ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 637f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 647f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_protocol: { 650b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 66bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return ParseObjCAtProtocolDeclaration(AtLoc, attrs); 677f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 685ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 69849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return ParseObjCAtImplementationDeclaration(AtLoc); 705ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 71140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return ParseObjCAtEndDeclaration(AtLoc); 725ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 7395ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtAliasDeclaration(AtLoc); 7495ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 755ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 7695ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCPropertySynthesize(AtLoc); 7795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 785ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 7995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCPropertyDynamic(AtLoc); 8095ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 811b257afbae854c6817f26b7d61c4fed8ff7aebadDouglas Gregor case tok::objc_import: 824e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().Modules) 8394ad28b31433058445a27db722f60402ee820beaDouglas Gregor return ParseModuleImport(AtLoc); 8494ad28b31433058445a27db722f60402ee820beaDouglas Gregor 8594ad28b31433058445a27db722f60402ee820beaDouglas Gregor // Fall through 8694ad28b31433058445a27db722f60402ee820beaDouglas Gregor 875ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 885ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 895ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 9095ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = 0; 9195ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9395ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(SingleDecl); 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 10095ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::DeclGroupPtrTy 10195ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 1035f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 8> ClassNames; 1045f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ClassLocs; 105c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek 1061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 108e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber MaybeSkipAttributes(tok::objc_class); 109df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 11295ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(0); 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 115c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 1201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 12695ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(0); 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 128c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 129c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 130c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 133d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggenvoid Parser::CheckNestedObjCContexts(SourceLocation AtLoc) 134d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen{ 135d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Sema::ObjCContainerKind ock = Actions.getObjCContainerKind(); 136d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (ock == Sema::OCK_None) 137d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen return; 138d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 139849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Decl *Decl = Actions.getObjCDeclContext(); 140849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) { 141849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl->finish(AtLoc); 142849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } else { 143849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Actions.ActOnAtEnd(getCurScope(), AtLoc); 144849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 145d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(AtLoc, diag::err_objc_missing_end) 146d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(AtLoc, "@end\n"); 147d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (Decl) 148d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(Decl->getLocStart(), diag::note_objc_container_start) 149d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) ock; 150d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen} 151d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 152dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 153dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 154dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 155dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 156dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 157dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 1581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 159dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 1601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 161dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 162dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 163dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 164dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 166dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 167dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 168dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 169dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 170dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 171dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 172dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 173dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 177dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 178dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 179b2f6820773aabff3c5c9e0dbb1cbbbda0d80c41fPatrick Beard/// __attribute__((objc_root_class)) 180dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 181d64251fd56577dd5c78903454632361e094c6dc1Erik VerbruggenDecl *Parser::ParseObjCAtInterfaceDeclaration(SourceLocation AtLoc, 1827f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 183861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 184dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 185d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen CheckNestedObjCContexts(AtLoc); 186dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1883b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@interface'. 1893b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 19023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceDecl(getCurScope()); 1917d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1927d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1933b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 1943b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 195e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber MaybeSkipAttributes(tok::objc_interface); 1969f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber 197df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 198dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 199d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 200dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 20163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 202dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 2037ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 204dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 2055512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::l_paren) && 2065512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian !isKnownToBeTypeSpecifier(GetLookAheadToken(1))) { // we have a category. 2074a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2084a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 2094a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 2104a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2114a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor SourceLocation categoryLoc; 212dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 21333ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 21423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceCategory(getCurScope(), nameId, nameLoc); 2157d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2167d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 21733ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 21833ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 219527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 220df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 221dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 222dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 22305511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 2244e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie else if (!getLangOpts().ObjC2) { 225527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 226d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 227dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 2284a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2294a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 2304a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.getCloseLocation().isInvalid()) 231d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 23213d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor 23313d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor if (!attrs.empty()) { // categories don't support attributes. 23413d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor Diag(nameLoc, diag::err_objc_no_attributes_on_category); 23513d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor attrs.clear(); 236dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 23713d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor 2385512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian // Next, we need to check for any protocol references. 2395512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian SourceLocation LAngleLoc, EndProtoLoc; 2405f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 2415f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 2425512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::less) && 2435512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 24471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 245d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 24605511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian 247d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *CategoryType = 248d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Actions.ActOnStartCategoryInterface(AtLoc, 2495512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian nameId, nameLoc, 2505512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian categoryId, categoryLoc, 2515512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.data(), 2525512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.size(), 2535512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolLocs.data(), 2545512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian EndProtoLoc); 255e6f07f538fd0eddd6c087fcc01d4e4ff19129c71Fariborz Jahanian 256a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (Tok.is(tok::l_brace)) 257d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen ParseObjCClassInstanceVariables(CategoryType, tok::objc_private, AtLoc); 258a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 2592f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_not_keyword, CategoryType); 2605512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return CategoryType; 261dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 262dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 263dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 264dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 2657ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 266df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 267dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 2683b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 2693b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion of superclass names. 2703b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 27123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperclass(getCurScope(), nameId, nameLoc); 2727d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2737d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 2743b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 2753b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 276df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 277dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 278d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 279dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 280dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 281dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 282dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 283dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 2845f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 2855f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 28671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 28706036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 28871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 28971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 290d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 2911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 292d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ClsType = 293d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Actions.ActOnStartClassInterface(AtLoc, nameId, nameLoc, 29406036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 295beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 29618df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 2977f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 299df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 300d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen ParseObjCClassInstanceVariables(ClsType, tok::objc_protected, AtLoc); 301dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 3022f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_interface, ClsType); 3035512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return ClsType; 304dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 305dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 306d0014540005f2a5ab837365db6bd40f479406758John McCall/// The Objective-C property callback. This should be defined where 307d0014540005f2a5ab837365db6bd40f479406758John McCall/// it's used, but instead it's been lifted to here to support VS2005. 308d0014540005f2a5ab837365db6bd40f479406758John McCallstruct Parser::ObjCPropertyCallback : FieldCallback { 30999ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikieprivate: 31099ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 31199ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikiepublic: 312d0014540005f2a5ab837365db6bd40f479406758John McCall Parser &P; 3135f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &Props; 314d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS; 315d0014540005f2a5ab837365db6bd40f479406758John McCall SourceLocation AtLoc; 31677bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian SourceLocation LParenLoc; 317d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind; 318d0014540005f2a5ab837365db6bd40f479406758John McCall 319a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback(Parser &P, 3205f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &Props, 321d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 32277bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian SourceLocation LParenLoc, 323d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind) : 32477bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian P(P), Props(Props), OCDS(OCDS), AtLoc(AtLoc), LParenLoc(LParenLoc), 325d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind(MethodImplKind) { 326d0014540005f2a5ab837365db6bd40f479406758John McCall } 327d0014540005f2a5ab837365db6bd40f479406758John McCall 328dcdff46dd8e6d749283fe6c43adfcfe780c1d562Eli Friedman void invoke(ParsingFieldDeclarator &FD) { 329d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.D.getIdentifier() == 0) { 330d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 331d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 332dcdff46dd8e6d749283fe6c43adfcfe780c1d562Eli Friedman return; 333d0014540005f2a5ab837365db6bd40f479406758John McCall } 334d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.BitfieldSize) { 335d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 336d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 337dcdff46dd8e6d749283fe6c43adfcfe780c1d562Eli Friedman return; 338d0014540005f2a5ab837365db6bd40f479406758John McCall } 339d0014540005f2a5ab837365db6bd40f479406758John McCall 340d0014540005f2a5ab837365db6bd40f479406758John McCall // Install the property declarator into interfaceDecl. 341d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SelName = 342d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 343d0014540005f2a5ab837365db6bd40f479406758John McCall 344d0014540005f2a5ab837365db6bd40f479406758John McCall Selector GetterSel = 345d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 346d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 347d0014540005f2a5ab837365db6bd40f479406758John McCall Selector SetterSel; 348d0014540005f2a5ab837365db6bd40f479406758John McCall if (SetterName) 349d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 350d0014540005f2a5ab837365db6bd40f479406758John McCall else 35180e8ea92d6dcaa05165dcb4730485db82dcd4629Adrian Prantl SetterSel = 35280e8ea92d6dcaa05165dcb4730485db82dcd4629Adrian Prantl SelectorTable::constructSetterSelector(P.PP.getIdentifierTable(), 35380e8ea92d6dcaa05165dcb4730485db82dcd4629Adrian Prantl P.PP.getSelectorTable(), 35480e8ea92d6dcaa05165dcb4730485db82dcd4629Adrian Prantl FD.D.getIdentifier()); 355d0014540005f2a5ab837365db6bd40f479406758John McCall bool isOverridingProperty = false; 356d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Property = 35777bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian P.Actions.ActOnProperty(P.getCurScope(), AtLoc, LParenLoc, 35877bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian FD, OCDS, 359a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian GetterSel, SetterSel, 360d0014540005f2a5ab837365db6bd40f479406758John McCall &isOverridingProperty, 361d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind); 362d0014540005f2a5ab837365db6bd40f479406758John McCall if (!isOverridingProperty) 363d0014540005f2a5ab837365db6bd40f479406758John McCall Props.push_back(Property); 364d0014540005f2a5ab837365db6bd40f479406758John McCall 365f66a0dda541cd859a928193efba6dc5d7ba8fe54Eli Friedman FD.complete(Property); 366d0014540005f2a5ab837365db6bd40f479406758John McCall } 367d0014540005f2a5ab837365db6bd40f479406758John McCall}; 368d0014540005f2a5ab837365db6bd40f479406758John McCall 36999ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid Parser::ObjCPropertyCallback::anchor() { 37099ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie} 37199ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 372dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 373dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 374dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 375294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 3763536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 377dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 378dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 379dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 380294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 381294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 382294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 383294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 3842f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(tok::ObjCKeywordKind contextKey, 3852f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian Decl *CDecl) { 3865f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> allMethods; 3875f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 16> allProperties; 3885f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclGroupPtrTy, 8> allTUVariables; 38900933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 3901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 391782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceRange AtEnd; 3922f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian 393294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 394e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 395df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 396d30ec7076fef736754206ac87a4f2c67251cc4d8Fariborz Jahanian if (Decl *methodPrototype = 397d30ec7076fef736754206ac87a4f2c67251cc4d8Fariborz Jahanian ParseObjCMethodPrototype(MethodImplKind, false)) 398d30ec7076fef736754206ac87a4f2c67251cc4d8Fariborz Jahanian allMethods.push_back(methodPrototype); 3993536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 4003536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 4010db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis if (ExpectAndConsumeSemi(diag::err_expected_semi_after_method_proto)) { 4020db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis // We didn't find a semi and we error'ed out. Skip until a ';' or '@'. 4030db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis SkipUntil(tok::at, /*StopAtSemi=*/true, /*DontConsume=*/true); 4040db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis if (Tok.is(tok::semi)) 4050db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis ConsumeToken(); 4060db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis } 407294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 408294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 40905511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian if (Tok.is(tok::l_paren)) { 41005511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian Diag(Tok, diag::err_expected_minus_or_plus); 411d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParseObjCMethodDecl(Tok.getLocation(), 412d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::minus, 41390ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, false); 41405511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian continue; 41505511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 416e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 417e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 418294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 419e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 420e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 422bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 423e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 424e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 426b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor // Code completion within an Objective-C interface. 427b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor if (Tok.is(tok::code_completion)) { 42823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 429849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl? Sema::PCC_ObjCImplementation 430f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_ObjCInterface); 4317d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 432b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor } 433b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor 434e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 435e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 4361fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 4371fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 4381fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 4391fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 4401fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 4412edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ParsedAttributesWithRange attrs(AttrFactory); 4427f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall allTUVariables.push_back(ParseDeclarationOrFunctionDefinition(attrs)); 443e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 444e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 446e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 447e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 448c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 449a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 4507d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 451c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 452c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 453a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 455a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 456782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setBegin(AtLoc); 457782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setEnd(Tok.getLocation()); 458e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 459c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor } else if (DirectiveKind == tok::objc_not_keyword) { 460c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor Diag(Tok, diag::err_objc_unknown_at); 461c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor SkipUntil(tok::semi); 462c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor continue; 463bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 465bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 466bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 467bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 468a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 469a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 470bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 471bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 472bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 473bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 474f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 475bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 476a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 477a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 47846d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 47946d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian case tok::objc_implementation: 480df81c2c6ce37f4ae3c45dd01093b6274fa0b6692Fariborz Jahanian case tok::objc_interface: 481d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(AtLoc, diag::err_objc_missing_end) 482d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(AtLoc, "@end\n"); 483d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(CDecl->getLocStart(), diag::note_objc_container_start) 484d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) Actions.getObjCContainerKind(); 48546d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian ConsumeToken(); 48646d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian break; 48746d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 488a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 489a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 490a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 491bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 492e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 493bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 494a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 495bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 496a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 498a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 4994e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().ObjC2) 500b321c0c0ba957d78475e72cebde4028fdaa00f8fChris Lattner Diag(AtLoc, diag::err_objc_properties_require_objc2); 501f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 502e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 50377bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian SourceLocation LParenLoc; 5041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 50577bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian if (Tok.is(tok::l_paren)) { 50677bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian LParenLoc = Tok.getLocation(); 507a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCPropertyAttribute(OCDS); 50877bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian } 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 510a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback Callback(*this, allProperties, 51177bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian OCDS, AtLoc, LParenLoc, MethodImplKind); 512bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 513e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 514f66a0dda541cd859a928193efba6dc5d7ba8fe54Eli Friedman ParsingDeclSpec DS(*this); 515bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 5161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5177da19ea50d4161fcda40d135735bcf450cabeb50John McCall ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list); 518a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 519f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 520294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 521bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 522bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 523bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 524c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 525a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 5267d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 527d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } else if (Tok.isObjCAtKeyword(tok::objc_end)) { 528bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 529d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } else { 530d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(Tok, diag::err_objc_missing_end) 531d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(Tok.getLocation(), "\n@end\n"); 532d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(CDecl->getLocStart(), diag::note_objc_container_start) 533d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) Actions.getObjCContainerKind(); 534d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtEnd.setBegin(Tok.getLocation()); 535d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtEnd.setEnd(Tok.getLocation()); 536d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } 5371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 538a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 539bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 540a3c6246950f23d7d4cd748badaf8f05d7bc3f14aFariborz Jahanian Actions.ActOnAtEnd(getCurScope(), AtEnd, allMethods, allTUVariables); 541294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 542294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 543d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 544d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 545d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 546d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 547d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 548d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 549d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 550d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 551d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 552d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 553d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 554d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 555d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 556d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 557d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 558f85e193739c953358c865005855253af4f68a497John McCall/// atomic 559f85e193739c953358c865005855253af4f68a497John McCall/// strong 560f85e193739c953358c865005855253af4f68a497John McCall/// weak 561f85e193739c953358c865005855253af4f68a497John McCall/// unsafe_unretained 562d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 563a28948f34817476d02412fa204cae038e228c827Fariborz Jahanianvoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 5648ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 5654a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 5664a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 568cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 569ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 57023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyFlags(getCurScope(), DS); 5717d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 572ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 573d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 5741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 575f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 576f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 5774a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 578f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 579f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 581156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 5821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58392e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 584e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 58592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 586e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 587f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("unsafe_unretained")) 588f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_unsafe_unretained); 58992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 590e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 59192e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 592e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 593f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("strong")) 594f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_strong); 59592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 596e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 59792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 598e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 59945937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian else if (II->isStr("atomic")) 60045937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_atomic); 601f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("weak")) 602f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_weak); 60392e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 60442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson bool IsSetter = II->getNameStart()[0] == 's'; 60542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 606e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 60742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson unsigned DiagID = IsSetter ? diag::err_objc_expected_equal_for_setter : 60842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson diag::err_objc_expected_equal_for_getter; 60942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 61042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (ExpectAndConsume(tok::equal, DiagID, "", tok::r_paren)) 611dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 6121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6134ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (Tok.is(tok::code_completion)) { 61442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) 615a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySetter(getCurScope()); 6164ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor else 617a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyGetter(getCurScope()); 6187d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 6194ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor } 6204ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor 62142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 62242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson SourceLocation SelLoc; 62342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson IdentifierInfo *SelIdent = ParseObjCSelectorPiece(SelLoc); 62442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 62542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (!SelIdent) { 62642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson Diag(Tok, diag::err_objc_expected_selector_for_getter_setter) 62742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson << IsSetter; 6288ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 6298ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 6308ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 63242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) { 6338ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 63442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setSetterName(SelIdent); 6351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 636e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian if (ExpectAndConsume(tok::colon, 637e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian diag::err_expected_colon_after_setter_name, "", 638156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 6398ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 6408ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 6418ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 64242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setGetterName(SelIdent); 6438ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 644e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 645a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 646cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 647cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 648cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 650156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 651156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 653156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 654d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6564a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 657d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 658d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 6593536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 6601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 6613536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 662294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 663294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 664294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 665294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6664985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 6674985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 6684985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 669a28948f34817476d02412fa204cae038e228c827Fariborz JahanianDecl *Parser::ParseObjCMethodPrototype(tok::ObjCKeywordKind MethodImplKind, 67090ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 671df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 672294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 674bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 675a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodDecl(mLoc, methodType, MethodImplKind, 67690ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodDefinition); 6773536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 6782bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 679f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 680294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 681294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 682294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 683294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 684294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 685294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 686294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 687294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 688294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 689294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6902fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 691be74740cc246ce08d42804a684385a42eb814edbFariborz Jahanian 692ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 693ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 694ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 695afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampamp: 696afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampequal: 697afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::amp: 698afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipe: 699afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::tilde: 700afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaim: 701afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaimequal: 702afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipepipe: 703afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipeequal: 704afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caret: 705afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caretequal: { 7063846ca29a8cc1d376a4b695194c29952dbbfb544Fariborz Jahanian std::string ThisTok(PP.getSpelling(Tok)); 7073f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose if (isLetter(ThisTok[0])) { 708afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian IdentifierInfo *II = &PP.getIdentifierTable().get(ThisTok.data()); 709afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian Tok.setKind(tok::identifier); 710afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian SelectorLoc = ConsumeToken(); 711afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return II; 712afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 713afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return 0; 714afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 715afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian 716ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 717ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 718ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 7199298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 720ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 721ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 722ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 723ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 724ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 725ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 726ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 727ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 728ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 729ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 730ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 731ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 732ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 733ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 734ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 735ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 736ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 737ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 738ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 739ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 740ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 741ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 742ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 743ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 744ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 745ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 746ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 747ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 748ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 749ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 750ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 751ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 752ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 753ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 754ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 755ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 756ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 757ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 758ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 759ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 760ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 761ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 762ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 763ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 764ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 765ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 766ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 767ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 768ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 769ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 770ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 771ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 772ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 773ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 774ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 775ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 776ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 777ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 778ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 779ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 780ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 781ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 782ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 783ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 784ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 785ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 7864b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 787ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 788d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 789294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 790294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 7910196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 7920196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 793335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 7943ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 7953ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 7963ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 7974e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie return (getLangOpts().ObjC2 && Tok.is(tok::identifier) && 7985ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 7990196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 8000196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 801a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 802e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 803e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 804294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 805294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 806294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 807294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 808294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 809b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregorvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS, 810cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::TheContext Context) { 811cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert(Context == Declarator::ObjCParameterContext || 812cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Context == Declarator::ObjCResultContext); 813cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 814e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 815d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor if (Tok.is(tok::code_completion)) { 816b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor Actions.CodeCompleteObjCPassingType(getCurScope(), DS, 817cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Context == Declarator::ObjCParameterContext); 8187d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 819d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor } 820d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor 821cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 822e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 824e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 825e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 826a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 827e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 829a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 830e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 831b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown decl qualifier"); 832a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 833a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 834a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 835a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 836a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 837a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 838e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 839a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 840e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 841e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 842e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 843e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 8441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 845e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 846e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 847e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 848e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 849e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 850cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// Take all the decl attributes out of the given list and add 851cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// them to the given attribute set. 852cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCallstatic void takeDeclAttributes(ParsedAttributes &attrs, 853cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall AttributeList *list) { 854cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall while (list) { 855cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall AttributeList *cur = list; 856cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall list = cur->getNext(); 857cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 858cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!cur->isUsedAsTypeAttr()) { 859cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Clear out the next pointer. We're really completely 860cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // destroying the internal invariants of the declarator here, 861cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // but it doesn't matter because we're done with it. 862cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall cur->setNext(0); 863cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.add(cur); 864cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 865cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 866cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall} 867cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 868cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// takeDeclAttributes - Take all the decl attributes from the given 869cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// declarator and add them to the given list. 870cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCallstatic void takeDeclAttributes(ParsedAttributes &attrs, 871cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator &D) { 872cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // First, take ownership of all attributes. 873cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.getPool().takeAllFrom(D.getAttributePool()); 874cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.getPool().takeAllFrom(D.getDeclSpec().getAttributePool()); 875cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 876cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Now actually move the attributes over. 877cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, D.getDeclSpec().getAttributes().getList()); 878cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, D.getAttributes()); 879cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall for (unsigned i = 0, e = D.getNumTypeObjects(); i != e; ++i) 880cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, 881cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall const_cast<AttributeList*>(D.getTypeObject(i).getAttrs())); 882cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall} 883cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 884e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 885e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 886e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 887e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 888b77cab97f17f946744c920629ca17271308d8ebfDouglas GregorParsedType Parser::ParseObjCTypeName(ObjCDeclSpec &DS, 889cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::TheContext context, 890cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParsedAttributes *paramAttrs) { 891cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert(context == Declarator::ObjCParameterContext || 892cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall context == Declarator::ObjCResultContext); 893cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert((paramAttrs != 0) == (context == Declarator::ObjCParameterContext)); 894cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 895df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 8961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8974a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 8984a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 8994a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 900e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 9019735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 9029735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 90319d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 904cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseObjCTypeQualifierList(DS, context); 9054fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 906b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty; 907809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 908cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Parse an abstract declarator. 909cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall DeclSpec declSpec(AttrFactory); 910cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall declSpec.setObjCQualifiers(&DS); 911cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseSpecifierQualifierList(declSpec); 9126d1de1b8663fe652903bda2927b885d1ec0f2613Fariborz Jahanian declSpec.SetRangeEnd(Tok.getLocation()); 913cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator declarator(declSpec, context); 914cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseDeclarator(declarator); 915cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 916cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // If that's not invalid, extract a type. 917cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!declarator.isInvalidType()) { 918cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall TypeResult type = Actions.ActOnTypeName(getCurScope(), declarator); 919cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!type.isInvalid()) 920cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Ty = type.get(); 921cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 922cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // If we're parsing a parameter, steal all the decl attributes 923cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // and add them to the decl spec. 924cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (context == Declarator::ObjCParameterContext) 925cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(*paramAttrs, declarator); 926cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 927cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } else if (context == Declarator::ObjCResultContext && 928cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Tok.is(tok::identifier)) { 929e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!Ident_instancetype) 930e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ident_instancetype = PP.getIdentifierInfo("instancetype"); 931e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 932e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (Tok.getIdentifierInfo() == Ident_instancetype) { 933e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ty = Actions.ActOnObjCInstanceType(Tok.getLocation()); 934e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ConsumeToken(); 935e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor } 936809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 937e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 9384a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 9394a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 9404a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 941e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 9421ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 9434a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 9444a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 9454a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 9464a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 9474a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 948294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 949f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 950294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 951294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 952294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 953294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 9544985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 955294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 9564985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 957294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 958294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 960294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 961294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 962294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 9637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 9647ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 9657ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 9667ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 967294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9684985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 9694985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 970294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9714985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 9724985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 973294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9744985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 975294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 976294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9777ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 9787ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 9797ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 980d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 9812ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::TokenKind mType, 98290ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian tok::ObjCKeywordKind MethodImplKind, 98390ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 9849257664568bf375b7790131a84d9a4fa30a5b7e3John McCall ParsingDeclRAIIObject PD(*this, ParsingDeclRAIIObject::NoParent); 98554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 986e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 98723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 988a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian /*ReturnType=*/ ParsedType()); 9897d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 9907d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 991e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 992e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 993e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 994b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReturnType; 995a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 996df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 997cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ReturnType = ParseObjCTypeName(DSRet, Declarator::ObjCResultContext, 0); 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9999e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // If attributes exist before the method, parse them. 10000b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes methodAttrs(AttrFactory); 10014e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC2) 10020b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 10039e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek 1004e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 100523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 1006a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ReturnType); 10077d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 10087d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1009e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 1010e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 10119e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // Now parse the selector. 1012bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 10132fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 1014e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 101584c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 101684c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 10171ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 10181ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 1019d30ec7076fef736754206ac87a4f2c67251cc4d8Fariborz Jahanian // Skip until we get a ; or @. 1020d30ec7076fef736754206ac87a4f2c67251cc4d8Fariborz Jahanian SkipUntil(tok::at, true /*StopAtSemi*/, true /*don't consume*/); 1021d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1022e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 10231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10245f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclaratorChunk::ParamInfo, 8> CParamInfo; 1025df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1026ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 10274e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC2) 10280b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 10291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1030ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 1031d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 10327f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1033a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 1034926df6cfabf3eaa4afc990c097fa4619b76a9b57Douglas Gregor selLoc, Sel, 0, 10354f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 10360b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), MethodImplKind, 10370b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall false, MethodDefinition); 103854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 103954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1040ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 1041f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 10425f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 104311d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis SmallVector<SourceLocation, 12> KeyLocs; 10445f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Sema::ObjCArgInfo, 12> ArgInfos; 10453a2b7a18a4504f39e3ded0d2b5749c5c80b8b9b5Richard Smith ParseScope PrototypeScope(this, Scope::FunctionPrototypeScope | 10463a2b7a18a4504f39e3ded0d2b5749c5c80b8b9b5Richard Smith Scope::FunctionDeclarationScope | Scope::DeclScope); 10470b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 10480b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall AttributePool allParamAttrs(AttrFactory); 1049ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 10500b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes paramAttrs(AttrFactory); 1051f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::ObjCArgInfo ArgInfo; 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1053ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 1054df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1055ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 1056ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 1057ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 1058ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 10591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1060b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ArgInfo.Type = ParsedType(); 1061e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 1062cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec, 1063cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::ObjCParameterContext, 1064cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ¶mAttrs); 1065e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 1066ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 1067cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Regardless, collect all the attributes we've parsed so far. 1068e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 10694e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC2) { 10700b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(paramAttrs); 10710b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ArgInfo.ArgAttrs = paramAttrs.getList(); 10727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 10737ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 107440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor // Code completion for the next piece of the selector. 107540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor if (Tok.is(tok::code_completion)) { 107640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.push_back(SelIdent); 107740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 107840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor mType == tok::minus, 107940ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/true, 1080050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko ReturnType, KeyIdents); 10817d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 10827d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 108340ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor } 108440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor 1085df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1086ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 1087ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 10884985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 10891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1090e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 1091e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 1092ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 10931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1094e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 1095e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 109611d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis KeyLocs.push_back(selLoc); 1097e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 10980b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall // Make sure the attributes persist. 10990b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall allParamAttrs.takeAllFrom(paramAttrs.getPool()); 11000b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 11011f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor // Code completion for the next piece of the selector. 11021f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor if (Tok.is(tok::code_completion)) { 11031f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 11041f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor mType == tok::minus, 110540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/false, 1106050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko ReturnType, KeyIdents); 11077d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 11087d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 11091f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor } 11101f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor 1111ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 111211d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis SelIdent = ParseObjCSelectorPiece(selLoc); 1113b648cf02f13ae74ec346f8d22933298f9977e4e0Ted Kremenek if (!SelIdent && Tok.isNot(tok::colon)) 1114b648cf02f13ae74ec346f8d22933298f9977e4e0Ted Kremenek break; 111503ebd3b4af9e4ab8e14a3f136d8a28df463f54ecFariborz Jahanian if (!SelIdent) { 111608602359845e668194d111b794b8965358babfe6Fariborz Jahanian SourceLocation ColonLoc = Tok.getLocation(); 111708602359845e668194d111b794b8965358babfe6Fariborz Jahanian if (PP.getLocForEndOfToken(ArgInfo.NameLoc) == ColonLoc) { 111803ebd3b4af9e4ab8e14a3f136d8a28df463f54ecFariborz Jahanian Diag(ArgInfo.NameLoc, diag::warn_missing_selector_name) << ArgInfo.Name; 111903ebd3b4af9e4ab8e14a3f136d8a28df463f54ecFariborz Jahanian Diag(ArgInfo.NameLoc, diag::note_missing_selector_name) << ArgInfo.Name; 112003ebd3b4af9e4ab8e14a3f136d8a28df463f54ecFariborz Jahanian Diag(ColonLoc, diag::note_force_empty_selector_name) << ArgInfo.Name; 112108602359845e668194d111b794b8965358babfe6Fariborz Jahanian } 112208602359845e668194d111b794b8965358babfe6Fariborz Jahanian } 1123ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 1124ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 11251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1126335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 112756242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian bool cStyleParamWarned = false; 1128ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 1129df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 1130ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 1131df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 1132335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 11334985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 1134ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 11354985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 113656242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian if (!cStyleParamWarned) { 113756242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian Diag(Tok, diag::warn_cstyle_param); 113856242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian cStyleParamWarned = true; 113956242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian } 11400b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1141ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 1143ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 1144ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 11454f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian IdentifierInfo *ParmII = ParmDecl.getIdentifier(); 1146d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = Actions.ActOnParamDeclarator(getCurScope(), ParmDecl); 11474f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, 11484f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian ParmDecl.getIdentifierLoc(), 11494f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian Param, 11504f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 0)); 11514985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11539c4bb2c08989265411925a04252fd4f93c26e3b1Cameron Esfahani // FIXME: Add support for optional parameter list... 1154e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 11554e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC2) 11560b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 11577f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1158a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (KeyIdents.size() == 0) 1159d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 11607f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1161ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 1162ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 1163d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 11647f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1165a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 116611d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis KeyLocs, Sel, &ArgInfos[0], 11674f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 11680b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), 116990ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, isVariadic, MethodDefinition); 11707f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 117154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 117254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1173294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 1174294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 1175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 1176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 1177dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 11787caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 11795f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerParseObjCProtocolReferences(SmallVectorImpl<Decl *> &Protocols, 11805f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceLocation> &ProtocolLocs, 118171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 118271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 1183e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 11841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11875f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolIdents; 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1189e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 119055385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 119155385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 119255385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 11937d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 11947d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return true; 119555385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 119655385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 1197e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 1198e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 1199e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 1200e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1201e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 1202e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 1203e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 120471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 1205e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1207e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 1208e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 1209e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 1210e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 12111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1212e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 1213b707a4762fcc47c12b5f487856ba0781c9399295Nico Weber if (ParseGreaterThanInTemplateList(EndLoc, /*ConsumeLastToken=*/true)) 1214e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1216e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 1217e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 1218e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 1219e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 1220e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 1221e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 1222e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 12239bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// \brief Parse the Objective-C protocol qualifiers that follow a typename 12249bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// in a decl-specifier-seq, starting at the '<'. 122546f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregorbool Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) { 12269bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(Tok.is(tok::less) && "Protocol qualifiers start with '<'"); 12274e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie assert(getLangOpts().ObjC1 && "Protocol qualifiers only exist in Objective-C"); 12289bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor SourceLocation LAngleLoc, EndProtoLoc; 12295f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolDecl; 12305f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 123146f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor bool Result = ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, 123246f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor LAngleLoc, EndProtoLoc); 12339bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), 12349bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ProtocolLocs.data(), LAngleLoc); 12359bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (EndProtoLoc.isValid()) 12369bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(EndProtoLoc); 123746f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor return Result; 12389bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor} 12399bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 12404cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanianvoid Parser::HelperActionsForIvarDeclarations(Decl *interfaceDecl, SourceLocation atLoc, 12414cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian BalancedDelimiterTracker &T, 12424cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian SmallVectorImpl<Decl *> &AllIvarDecls, 12434cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian bool RBraceMissing) { 12444cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian if (!RBraceMissing) 12454cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian T.consumeClose(); 12464cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian 12474cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Actions.ActOnObjCContainerStartDefinition(interfaceDecl); 12484cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Actions.ActOnLastBitfield(T.getCloseLocation(), AllIvarDecls); 12494cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(); 12504cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian // Call ActOnFields() even if we don't have any decls. This is useful 12514cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian // for code rewriting tools that need to be aware of the empty list. 12524cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Actions.ActOnFields(getCurScope(), atLoc, interfaceDecl, 12534cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian AllIvarDecls, 12544cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian T.getOpenLocation(), T.getCloseLocation(), 0); 12554cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian} 12569bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 1257dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 1258dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 1259dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1260dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 1261dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 1262dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 1263dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 1264dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 1265dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 1266dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 1267dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1268dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 1269dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 1270dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 1271dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 1272ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 1273dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1274dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 12751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 1276dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1277d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCClassInstanceVariables(Decl *interfaceDecl, 127883c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian tok::ObjCKeywordKind visibility, 127960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 1280df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 12815f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> AllIvarDecls; 1282a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 12831a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 12843a387441ae339363ee5b254658f295e97bd9e913Argyrios Kyrtzidis ObjCDeclContextSwitch ObjCDC(*this); 128572de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 12864a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 12874a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 1288ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 1289df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1290ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1292ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 1293df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 12944b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu ConsumeExtraSemi(InstanceVariableList); 1295ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1296ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1298ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 1299df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 1300ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 1301c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1302c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 130323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtVisibility(getCurScope()); 13047d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1305c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1306c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1307861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 1308ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 1309ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 1310ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 1311ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 1312861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 1313ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 13141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 1315695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian 1316695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian case tok::objc_end: 1317695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian Diag(Tok, diag::err_objc_unexpected_atend); 13184cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Tok.setLocation(Tok.getLocation().getLocWithOffset(-1)); 13194cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Tok.setKind(tok::at); 13204cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Tok.setLength(1); 13214cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian PP.EnterToken(Tok); 13224cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian HelperActionsForIvarDeclarations(interfaceDecl, atLoc, 13234cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian T, AllIvarDecls, true); 13244cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian return; 1325695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian 1326695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian default: 1327695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian Diag(Tok, diag::err_objc_illegal_visibility_spec); 1328695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian continue; 1329ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1330ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1332c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 133323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 1334f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PCC_ObjCInstanceVariableList); 13357d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1336c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1337c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1338bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 1339bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 1340d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *IDecl; 1341bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 13425f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls; 1343bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1344d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCIvarCallback(Parser &P, Decl *IDecl, tok::ObjCKeywordKind V, 13455f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls) : 1346bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 1347bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1348bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1349dcdff46dd8e6d749283fe6c43adfcfe780c1d562Eli Friedman void invoke(ParsingFieldDeclarator &FD) { 1350a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian P.Actions.ActOnObjCContainerStartDefinition(IDecl); 1351bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 1352d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Field 135323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = P.Actions.ActOnIvar(P.getCurScope(), 1354bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 1355a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 135610af87932fe4bffad539b24d512a33a1803daeaeFariborz Jahanian P.Actions.ActOnObjCContainerFinishDefinition(); 13570bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian if (Field) 13580bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian AllIvarDecls.push_back(Field); 1359f66a0dda541cd859a928193efba6dc5d7ba8fe54Eli Friedman FD.complete(Field); 1360bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1361bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 1362d097be8f81fbf4ed96ac10bae18562dd8202666bFariborz Jahanian 1363e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 1364f66a0dda541cd859a928193efba6dc5d7ba8fe54Eli Friedman ParsingDeclSpec DS(*this); 1365bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 13661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1367df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1368ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1369ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 1370ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 1371ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 1372ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 1373ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1374ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 13754cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian HelperActionsForIvarDeclarations(interfaceDecl, atLoc, 13764cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian T, AllIvarDecls, false); 1377ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1379dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1380dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 1381dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 1382dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 1383dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1384dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 138517d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// \@protocol identifier 13861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 13871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 138817d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// \@end 1389dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1390dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 139117d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// \@protocol identifier-list ';' 1392dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 139317d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// "\@protocol identifier ;" should be resolved as "\@protocol 13943536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1395dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1396bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas GregorParser::DeclGroupPtrTy 1397bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas GregorParser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 1398bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor ParsedAttributes &attrs) { 1399861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 14007ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 14017ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 14021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1403083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 140423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(getCurScope()); 14057d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1406bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 1407083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1408083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1409e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber MaybeSkipAttributes(tok::objc_protocol); 14109f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber 1411df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 14127ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 1413bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14147ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 14157ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 14167ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 14177ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1419df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 14207caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 14217ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 14221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 14237f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 14247ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 142690ec96f3026480fa41057b05d58f338aed585f62Erik Verbruggen CheckNestedObjCContexts(AtLoc); 142790ec96f3026480fa41057b05d58f338aed585f62Erik Verbruggen 1428df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 14295f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolRefs; 14307caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 14317caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 14327ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 14337ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 14347ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1435df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 14367ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 14377ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1438bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 14407caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 14417caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 14427ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1444df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 14457ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 14467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 14477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 14487ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1449bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1451e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1453bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 14547f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 14557caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 14561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 145871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 14597caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 14605f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 14615f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 14627caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 146371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 146471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1465bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1467d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ProtoType = 1468e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1469beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1470beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 147118df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 14727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 1473a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 14742f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_protocol, ProtoType); 1475bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return Actions.ConvertDeclToDeclGroup(ProtoType); 1476dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1477dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1478dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1479dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1480dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1481dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1482dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1483dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1484dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1485dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1486dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1487dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1488849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios KyrtzidisParser::DeclGroupPtrTy 1489849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios KyrtzidisParser::ParseObjCAtImplementationDeclaration(SourceLocation AtLoc) { 1490ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1491ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1492d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen CheckNestedObjCContexts(AtLoc); 1493ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 14941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14953b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 14963b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 149723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(getCurScope()); 14987d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1499849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 15003b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 15013b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1502e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber MaybeSkipAttributes(tok::objc_implementation); 15039f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber 1504df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1505ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1506849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 1507ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1508ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1509ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1510ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 1511849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Decl *ObjCImpDecl = 0; 15121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1514ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1515dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeParen(); 1516ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1517ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 15181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 151933ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 152023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(getCurScope(), nameId, nameLoc); 15217d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1522849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 152333ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 152433ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1525df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1526ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1527ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1528ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1529ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1530849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 15311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1532df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1533ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1534ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1535849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 1536ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1537ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1538e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian if (Tok.is(tok::less)) { // we have illegal '<' try to recover 1539e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian Diag(Tok, diag::err_unexpected_protocol_qualifier); 1540e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian AttributeFactory attr; 1541e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian DeclSpec DS(attr); 1542e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian (void)ParseObjCProtocolQualifiers(DS); 1543e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian } 1544849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ObjCImpDecl = Actions.ActOnStartCategoryImplementation( 1545d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtLoc, nameId, nameLoc, categoryId, 15468f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1547a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1548849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } else { 1549849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis // We have a class implementation 1550849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis SourceLocation superClassLoc; 1551849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis IdentifierInfo *superClassId = 0; 1552849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (Tok.is(tok::colon)) { 1553849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis // We have a super class 1554849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ConsumeToken(); 1555849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (Tok.isNot(tok::identifier)) { 1556849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Diag(Tok, diag::err_expected_ident); // missing super class name. 1557849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 1558849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1559849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis superClassId = Tok.getIdentifierInfo(); 1560849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis superClassLoc = ConsumeToken(); // Consume super class name 1561ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1562849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ObjCImpDecl = Actions.ActOnStartClassImplementation( 1563849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis AtLoc, nameId, nameLoc, 1564849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis superClassId, superClassLoc); 1565849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1566849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (Tok.is(tok::l_brace)) // we have ivars 1567849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ParseObjCClassInstanceVariables(ObjCImpDecl, tok::objc_private, AtLoc); 156851c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian else if (Tok.is(tok::less)) { // we have illegal '<' try to recover 156951c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian Diag(Tok, diag::err_unexpected_protocol_qualifier); 157051c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian // try to recover. 157151c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian AttributeFactory attr; 157251c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian DeclSpec DS(attr); 157351c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian (void)ParseObjCProtocolQualifiers(DS); 157451c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian } 1575ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1576849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis assert(ObjCImpDecl); 15771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1578849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis SmallVector<Decl *, 8> DeclsInGroup; 1579a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1580849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis { 1581849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ObjCImplParsingDataRAII ObjCImplParsing(*this, ObjCImpDecl); 1582849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis while (!ObjCImplParsing.isFinished() && Tok.isNot(tok::eof)) { 1583849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ParsedAttributesWithRange attrs(AttrFactory); 15844e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith MaybeParseCXX11Attributes(attrs); 1585849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis MaybeParseMicrosoftAttributes(attrs); 1586849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (DeclGroupPtrTy DGP = ParseExternalDeclaration(attrs)) { 1587849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis DeclGroupRef DG = DGP.get(); 1588849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis DeclsInGroup.append(DG.begin(), DG.end()); 1589849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1590849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1591849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1592849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1593644af7b50bd0541468b45c197f5b637e934d48a0Argyrios Kyrtzidis return Actions.ActOnFinishObjCImplementation(ObjCImpDecl, DeclsInGroup); 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 159560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1596140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::DeclGroupPtrTy 1597140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::ParseObjCAtEndDeclaration(SourceRange atEnd) { 1598ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1599ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1600ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1601849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) 1602849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl->finish(atEnd); 16038697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian else 1604782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek // missing @implementation 1605d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(atEnd.getBegin(), diag::err_expected_objc_container); 1606849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1608e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1609849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios KyrtzidisParser::ObjCImplParsingDataRAII::~ObjCImplParsingDataRAII() { 1610849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (!Finished) { 1611849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis finish(P.Tok.getLocation()); 1612849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (P.Tok.is(tok::eof)) { 1613849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Diag(P.Tok, diag::err_objc_missing_end) 1614849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis << FixItHint::CreateInsertion(P.Tok.getLocation(), "\n@end\n"); 1615849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Diag(Dcl->getLocStart(), diag::note_objc_container_start) 1616849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis << Sema::OCK_Implementation; 1617849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1618849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1619849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.CurParsedObjCImpl = 0; 1620849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis assert(LateParsedObjCMethods.empty()); 1621849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis} 1622d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 1623849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidisvoid Parser::ObjCImplParsingDataRAII::finish(SourceRange AtEnd) { 1624849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis assert(!Finished); 1625849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Actions.DefaultSynthesizeProperties(P.getCurScope(), Dcl); 1626849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis for (size_t i = 0; i < LateParsedObjCMethods.size(); ++i) 16276c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian P.ParseLexedObjCMethodDefs(*LateParsedObjCMethods[i], 16286c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian true/*Methods*/); 1629d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 1630849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Actions.ActOnAtEnd(P.getCurScope(), AtEnd); 163163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 16326c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian if (HasCFunction) 16336c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian for (size_t i = 0; i < LateParsedObjCMethods.size(); ++i) 16346c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian P.ParseLexedObjCMethodDefs(*LateParsedObjCMethods[i], 16356c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian false/*c-functions*/); 16366c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian 1637849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis /// \brief Clear and free the cached objc methods. 16382fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis for (LateParsedObjCMethodContainer::iterator 16392fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis I = LateParsedObjCMethods.begin(), 16402fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis E = LateParsedObjCMethods.end(); I != E; ++I) 16412fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis delete *I; 16422fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis LateParsedObjCMethods.clear(); 1643849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1644849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Finished = true; 16452fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis} 16462fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis 1647e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1648e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1649e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1650d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1651e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1652e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1653e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1654df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1655e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1656d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1657e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1658243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1659243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1660df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1661e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1662d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1663e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1664243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1665243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1666e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 1667e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor "@compatibility_alias"); 1668de01b7a6b4df27555ff7b25e51c0d3df29e3a0cfRichard Smith return Actions.ActOnCompatibilityAlias(atLoc, aliasId, aliasLoc, 1669de01b7a6b4df27555ff7b25e51c0d3df29e3a0cfRichard Smith classId, classLoc); 16705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1672ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1673ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1674ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1675ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1676ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1677ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1678ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1679ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1680ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1681ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1682ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1683d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1684ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1685df1fdfd093e4e8d07813b5d86c22bb50a82e6714Fariborz Jahanian "ParseObjCPropertySynthesize(): Expected '@synthesize'"); 1686dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume synthesize 16871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1688b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1689322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1690a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 16917d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 16927d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1693322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1694322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1695b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1696b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1697b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1698d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1699b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1700b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor 1701f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1702f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1703f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1704a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor SourceLocation propertyIvarLoc; 1705df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1706ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1707ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1708322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1709322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1710a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySynthesizeIvar(getCurScope(), propertyId); 17117d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 17127d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1713322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1714322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1715df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1716ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1717ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1718ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1719f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1720a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyIvarLoc = ConsumeToken(); // consume ivar-name 1721ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1722a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, true, 1723a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, propertyIvar, propertyIvarLoc); 1724df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1725ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1726ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1727ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1728e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@synthesize"); 1729d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1730ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1731ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1732ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1733ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1734ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1735ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1736ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1737ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1738ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1739d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1740ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1741ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1742dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume dynamic 1743424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1744424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 1745a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 17467d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 17477d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1748424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1749424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1750424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1751424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Diag(Tok, diag::err_expected_ident); 1752424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 1753d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1754424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1755424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1756c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1757c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1758a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, false, 1759a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, 0, SourceLocation()); 1760c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1761df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1762ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1763ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1764ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1765e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@dynamic"); 1766d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1767ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 17681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1769397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1770397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1771397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 177260d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 177360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res; 1774397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1775df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 177639f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 17770e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1778397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 177943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1780397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1781397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 178202418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek // consume ';' 178302418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@throw"); 17849ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtThrowStmt(atLoc, Res.take(), getCurScope()); 1785397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1786397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1787c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 178878a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1789c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 179060d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult 179143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1792fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1793fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 17941ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 179543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1796fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 179707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 179807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // The operand is surrounded with parentheses. 1799fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 180007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ExprResult operand(ParseExpression()); 180107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 180207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (Tok.is(tok::r_paren)) { 180307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ConsumeParen(); // ')' 180407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall } else { 180507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 180607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_rparen); 180707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 180807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Skip forward until we see a left brace, but don't consume it. 180907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall SkipUntil(tok::l_brace, true, true); 1810fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 181107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 181207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Require a compound statement. 181378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 181407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 181507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_lbrace); 181643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 181778a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 18183ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 181907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Check the @synchronized operand now. 182007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 182107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall operand = Actions.ActOnObjCAtSynchronizedOperand(atLoc, operand.take()); 182207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 182307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Parse the compound statement within a new scope. 182407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ParseScope bodyScope(this, Scope::DeclScope); 182507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall StmtResult body(ParseCompoundStatementBody()); 182607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall bodyScope.Exit(); 182707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 182807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // If there was a semantic or parse error earlier with the 182907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // operand, fail now. 183007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (operand.isInvalid()) 183107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return StmtError(); 183207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 183307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (body.isInvalid()) 183407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall body = Actions.ActOnNullStmt(Tok.getLocation()); 18350e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 183607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return Actions.ActOnObjCAtSynchronizedStmt(atLoc, operand.get(), body.get()); 1837c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1838c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1839397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1840397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1841397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1842397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1843397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1844397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1845397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1846397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1847397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1848397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1849397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 185060d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1851397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 185243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1853397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1854df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 18551ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 185643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1857397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 18584e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer StmtVector CatchStmts; 185960d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyStmt; 18608935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 186160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult TryBody(ParseCompoundStatementBody()); 18628935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 18630e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1864bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1865a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1866df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 18676b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 18686b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 18696b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 18706b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 18716b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 18726b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 18736b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 18740e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1875161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1876cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1877d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *FirstPart = 0; 18783b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1879df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1880397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1881e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1882df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 18830b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1884397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 188517b6399f8461c5b7e1c6f367b0a0dde49f921240Argyrios Kyrtzidis Declarator ParmDecl(DS, Declarator::ObjCCatchContext); 18867ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 18877ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 18884e6c0d19b7c072758922cf80525a81aeefc6e64bDouglas Gregor // Inform the actions module about the declarator, so it 18897ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 189023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor FirstPart = Actions.ActOnObjCExceptionDecl(getCurScope(), ParmDecl); 189164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1892397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 18931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189493a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 18951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189693a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 189793a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 189893a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 189993a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 190093a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 190160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult CatchBody(true); 1902c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1903c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1904c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1905c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 19060e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 19073b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 19088f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 190960d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Catch = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 19108f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor RParenLoc, 19118f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor FirstPart, 19129ae2f076ca5ab1feb3ba95629099ec2319833701John McCall CatchBody.take()); 19138f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (!Catch.isInvalid()) 19148f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor CatchStmts.push_back(Catch.release()); 19158f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 191664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 19171ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 19181ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 191943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1920397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1921397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 19226b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 19236b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 192464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 19258935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 19260e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 192760d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyBody(true); 1928c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1929c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1930c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1931c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 19320e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1933161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 19340e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 19359ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyBody.take()); 1936397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1937397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1938397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1939397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1940bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1941397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 194243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1943bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 19448f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 19459ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.take(), 19463fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer CatchStmts, 19479ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyStmt.take()); 1948397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1949ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1950f85e193739c953358c865005855253af4f68a497John McCall/// objc-autoreleasepool-statement: 1951f85e193739c953358c865005855253af4f68a497John McCall/// @autoreleasepool compound-statement 1952f85e193739c953358c865005855253af4f68a497John McCall/// 1953f85e193739c953358c865005855253af4f68a497John McCallStmtResult 1954f85e193739c953358c865005855253af4f68a497John McCallParser::ParseObjCAutoreleasePoolStmt(SourceLocation atLoc) { 1955f85e193739c953358c865005855253af4f68a497John McCall ConsumeToken(); // consume autoreleasepool 1956f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isNot(tok::l_brace)) { 1957f85e193739c953358c865005855253af4f68a497John McCall Diag(Tok, diag::err_expected_lbrace); 1958f85e193739c953358c865005855253af4f68a497John McCall return StmtError(); 1959f85e193739c953358c865005855253af4f68a497John McCall } 1960f85e193739c953358c865005855253af4f68a497John McCall // Enter a scope to hold everything within the compound stmt. Compound 1961f85e193739c953358c865005855253af4f68a497John McCall // statements can always hold declarations. 1962f85e193739c953358c865005855253af4f68a497John McCall ParseScope BodyScope(this, Scope::DeclScope); 1963f85e193739c953358c865005855253af4f68a497John McCall 1964f85e193739c953358c865005855253af4f68a497John McCall StmtResult AutoreleasePoolBody(ParseCompoundStatementBody()); 1965f85e193739c953358c865005855253af4f68a497John McCall 1966f85e193739c953358c865005855253af4f68a497John McCall BodyScope.Exit(); 1967f85e193739c953358c865005855253af4f68a497John McCall if (AutoreleasePoolBody.isInvalid()) 1968f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody = Actions.ActOnNullStmt(Tok.getLocation()); 1969f85e193739c953358c865005855253af4f68a497John McCall return Actions.ActOnObjCAutoreleasePoolStmt(atLoc, 1970f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody.take()); 1971f85e193739c953358c865005855253af4f68a497John McCall} 1972f85e193739c953358c865005855253af4f68a497John McCall 19736c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian/// StashAwayMethodOrFunctionBodyTokens - Consume the tokens and store them 19746c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian/// for later parsing. 19756c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanianvoid Parser::StashAwayMethodOrFunctionBodyTokens(Decl *MDecl) { 19766c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian LexedMethod* LM = new LexedMethod(this, MDecl); 19776c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian CurParsedObjCImpl->LateParsedObjCMethods.push_back(LM); 19786c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian CachedTokens &Toks = LM->Toks; 19799e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian // Begin by storing the '{' or 'try' or ':' token. 19806c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian Toks.push_back(Tok); 19812eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian if (Tok.is(tok::kw_try)) { 19822eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian ConsumeToken(); 1983dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian if (Tok.is(tok::colon)) { 1984dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian Toks.push_back(Tok); 1985dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian ConsumeToken(); 1986dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian while (Tok.isNot(tok::l_brace)) { 1987dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian ConsumeAndStoreUntil(tok::l_paren, Toks, /*StopAtSemi=*/false); 1988dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian ConsumeAndStoreUntil(tok::r_paren, Toks, /*StopAtSemi=*/false); 1989dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian } 1990dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian } 19919e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian Toks.push_back(Tok); // also store '{' 19929e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian } 19939e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian else if (Tok.is(tok::colon)) { 19949e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian ConsumeToken(); 19959e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian while (Tok.isNot(tok::l_brace)) { 19969e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian ConsumeAndStoreUntil(tok::l_paren, Toks, /*StopAtSemi=*/false); 19979e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian ConsumeAndStoreUntil(tok::r_paren, Toks, /*StopAtSemi=*/false); 19989e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian } 19992eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian Toks.push_back(Tok); // also store '{' 20002eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian } 20016c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian ConsumeBrace(); 20026c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian // Consume everything up to (and including) the matching right brace. 20036c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian ConsumeAndStoreUntil(tok::r_brace, Toks, /*StopAtSemi=*/false); 20042eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian while (Tok.is(tok::kw_catch)) { 20052eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian ConsumeAndStoreUntil(tok::l_brace, Toks, /*StopAtSemi=*/false); 20062eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian ConsumeAndStoreUntil(tok::r_brace, Toks, /*StopAtSemi=*/false); 20072eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian } 20086c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian} 20096c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian 20103536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 2011ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 2012d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDefinition() { 2013a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodPrototype(); 20141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2015f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, MDecl, Tok.getLocation(), 2016f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing Objective-C method"); 20171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2018ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 2019209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 2020849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) { 2021496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 2022849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 2023496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 2024ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 2025209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 2026ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 2027409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 2028df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 2029da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 20301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2031409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 2032409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 20331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2034409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 2035409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 2036d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 2037ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 2038849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 2039849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (!MDecl) { 2040849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ConsumeBrace(); 2041849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis SkipUntil(tok::r_brace, /*StopAtSemi=*/false); 2042849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return 0; 2043849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 2044849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 2045140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Allow the rest of sema to find private method decl implementations. 2046849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Actions.AddAnyMethodToGlobalPool(MDecl); 2047c9b970996b8af41754a99a9cec15a9d401962ba1Fariborz Jahanian assert (CurParsedObjCImpl 2048c9b970996b8af41754a99a9cec15a9d401962ba1Fariborz Jahanian && "ParseObjCMethodDefinition - Method out of @implementation"); 2049c9b970996b8af41754a99a9cec15a9d401962ba1Fariborz Jahanian // Consume the tokens and store them for later parsing. 2050c9b970996b8af41754a99a9cec15a9d401962ba1Fariborz Jahanian StashAwayMethodOrFunctionBodyTokens(MDecl); 205171c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 20525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20535508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 205460d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 20559a0c85e640a08174569a303db22981612f05d385Douglas Gregor if (Tok.is(tok::code_completion)) { 205623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtStatement(getCurScope()); 20577d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 20589a0c85e640a08174569a303db22981612f05d385Douglas Gregor return StmtError(); 20595d8031687d086701b4dadaab3e0de1def448da9dChris Lattner } 20605d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 20615d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_try)) 20626b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 20635d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 20645d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_throw)) 206564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 20665d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 20675d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 206864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 2069f85e193739c953358c865005855253af4f68a497John McCall 2070f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isObjCAtKeyword(tok::objc_autoreleasepool)) 2071f85e193739c953358c865005855253af4f68a497John McCall return ParseObjCAutoreleasePoolStmt(AtLoc); 20725d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 207360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 20740e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 207564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 207664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 207764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 207864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 207943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 208064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 20815d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 208264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 20839ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); 2084419563768ef4929a622d7c2b066856e82901bb91Richard Smith return Actions.ActOnExprStmt(Res); 208564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 208664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 208760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 20885508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 20899a0c85e640a08174569a303db22981612f05d385Douglas Gregor case tok::code_completion: 209023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtExpression(getCurScope()); 20917d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 20929a0c85e640a08174569a303db22981612f05d385Douglas Gregor return ExprError(); 20939a0c85e640a08174569a303db22981612f05d385Douglas Gregor 2094ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::minus: 2095ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::plus: { 2096ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek tok::TokenKind Kind = Tok.getKind(); 2097ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation OpLoc = ConsumeToken(); 2098ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2099ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (!Tok.is(tok::numeric_constant)) { 2100ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek const char *Symbol = 0; 2101ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek switch (Kind) { 2102ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::minus: Symbol = "-"; break; 2103ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::plus: Symbol = "+"; break; 2104ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek default: llvm_unreachable("missing unary operator case"); 2105ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2106ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Diag(Tok, diag::err_nsnumber_nonliteral_unary) 2107ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek << Symbol; 2108ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ExprError(); 2109ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2110ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2111ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult Lit(Actions.ActOnNumericConstant(Tok)); 2112ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Lit.isInvalid()) { 21133fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 2114ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 21158b8d9534f185743fb72c59d4e735794e6e0f4335Benjamin Kramer ConsumeToken(); // Consume the literal token. 2116ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2117ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Lit = Actions.ActOnUnaryOp(getCurScope(), OpLoc, Kind, Lit.take()); 2118ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Lit.isInvalid()) 21193fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 2120ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2121ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix( 2122ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Actions.BuildObjCNumericLiteral(AtLoc, Lit.take())); 2123ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2124ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2125b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 2126b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 21271d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 2128ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2129ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::char_constant: 2130ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCCharacterLiteral(AtLoc)); 2131ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2132ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::numeric_constant: 2133ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCNumericLiteral(AtLoc)); 2134ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2135ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::kw_true: // Objective-C++, etc. 2136ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::kw___objc_yes: // c/c++/objc/objc++ __objc_yes 2137ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCBooleanLiteral(AtLoc, true)); 2138ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::kw_false: // Objective-C++, etc. 2139ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::kw___objc_no: // c/c++/objc/objc++ __objc_no 2140ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCBooleanLiteral(AtLoc, false)); 2141ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2142ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::l_square: 2143ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Objective-C array literal 2144ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCArrayLiteral(AtLoc)); 2145ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2146ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::l_brace: 2147ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Objective-C dictionary literal 2148ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCDictionaryLiteral(AtLoc)); 2149ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2150eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard case tok::l_paren: 2151eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard // Objective-C boxed expression 2152eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard return ParsePostfixExpressionSuffix(ParseObjCBoxedExpr(AtLoc)); 2153eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard 2154b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 21554fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 21561d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 21572f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 21584fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 21594fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 21601d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 21614fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 21621d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 21634fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 21641d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 21656749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian default: { 21666749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian const char *str = 0; 21676749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian if (GetLookAheadToken(1).is(tok::l_brace)) { 21686749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian char ch = Tok.getIdentifierInfo()->getNameStart()[0]; 21696749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian str = 21706749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian ch == 't' ? "try" 21716749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian : (ch == 'f' ? "finally" 21726749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian : (ch == 'a' ? "autoreleasepool" : 0)); 21736749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian } 21746749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian if (str) { 21756749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian SourceLocation kwLoc = Tok.getLocation(); 21766749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian return ExprError(Diag(AtLoc, diag::err_unexpected_at) << 21776749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian FixItHint::CreateReplacement(kwLoc, str)); 21786749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian } 21796749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian else 21806749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 21816749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian } 21824fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 21835508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 21845508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 21855508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 2186e23fb90712233bdfa04387e48b54a7168e23cb3eDmitri Gribenko/// \brief Parse the receiver of an Objective-C++ message send. 21876aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 21886aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// This routine parses the receiver of a message send in 21896aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// Objective-C++ either as a type or as an expression. Note that this 21906aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// routine must not be called to parse a send to 'super', since it 21916aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// has no way to return such a result. 21926aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 21936aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param IsExpr Whether the receiver was parsed as an expression. 21946aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 21956aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param TypeOrExpr If the receiver was parsed as an expression (\c 21966aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// IsExpr is true), the parsed expression. If the receiver was parsed 21976aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// as a type (\c IsExpr is false), the parsed type. 21986aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 21996aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \returns True if an error occurred during parsing or semantic 22006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// analysis, in which case the arguments do not have valid 22016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// values. Otherwise, returns false for a successful parse. 22026aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 22036aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// objc-receiver: [C++] 22046aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 'super' [not parsed here] 22056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// expression 22066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier 22076aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// typename-specifier 22086aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr) { 22090fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 22100fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 22116aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 22126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope)) 22136aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TryAnnotateTypeOrScopeToken(); 22146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22157bf33401acf506b0039222834d7259acb80f6311Kaelyn Uhrain if (!Actions.isSimpleTypeSpecifier(Tok.getKind())) { 22166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 22176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression 221860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseExpression(); 22196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 22206aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 22216aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22226aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 22236aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 22246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 22256aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 22266aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22276aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 22286aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier 22296aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier 22306aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression (that starts with one of the above) 22310b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 22326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor ParseCXXSimpleTypeSpecifier(DS); 22336aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22346aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::l_paren)) { 22356aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // If we see an opening parentheses at this point, we are 22366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // actually parsing an expression that starts with a 22376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // function-style cast, e.g., 22386aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 22396aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression: 22406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier ( expression-list [opt] ) 22416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier ( expression-list [opt] ) 22426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 22436aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the remainder of this case, then the (optional) 22446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression suffix, followed by the (optional) 22456aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // right-hand side of the binary expression. We have an 22466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // instance method. 224760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseCXXTypeConstructExpression(DS); 22486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 22499ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParsePostfixExpressionSuffix(Receiver.take()); 22506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 22519ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParseRHSOfBinaryExpression(Receiver.take(), prec::Comma); 22526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 22536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 22546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 22566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 22576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 22586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 22596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We have a class message. Turn the simple-type-specifier or 22616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier we parsed into a type and parse the 22626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // remainder of the class message. 22636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 226423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult Type = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 22656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Type.isInvalid()) 22666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 22676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = false; 2269b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TypeOrExpr = Type.get().getAsOpaquePtr(); 22706aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 22716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 22726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22731b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// \brief Determine whether the parser is currently referring to a an 22741b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// Objective-C message send, using a simplified heuristic to avoid overhead. 22751b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// 22761b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// This routine will only return true for a subset of valid message-send 22771b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// expressions. 22781b730e847ded503f2e615154035c083c4f94a067Douglas Gregorbool Parser::isSimpleObjCMessageExpression() { 22794e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie assert(Tok.is(tok::l_square) && getLangOpts().ObjC1 && 22801b730e847ded503f2e615154035c083c4f94a067Douglas Gregor "Incorrect start for isSimpleObjCMessageExpression"); 22811b730e847ded503f2e615154035c083c4f94a067Douglas Gregor return GetLookAheadToken(1).is(tok::identifier) && 22821b730e847ded503f2e615154035c083c4f94a067Douglas Gregor GetLookAheadToken(2).is(tok::identifier); 22831b730e847ded503f2e615154035c083c4f94a067Douglas Gregor} 22841b730e847ded503f2e615154035c083c4f94a067Douglas Gregor 22859497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregorbool Parser::isStartOfObjCClassMessageMissingOpenBracket() { 22864e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().ObjC1 || !NextToken().is(tok::identifier) || 22879497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor InMessageExpression) 22889497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 22899497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22909497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22919497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor ParsedType Type; 22929497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22939497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::annot_typename)) 22949497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = getTypeAnnotation(Tok); 22959497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else if (Tok.is(tok::identifier)) 22969497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = Actions.getTypeName(*Tok.getIdentifierInfo(), Tok.getLocation(), 22979497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor getCurScope()); 22989497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else 22999497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 23009497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 23019497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!Type.get().isNull() && Type.get()->isObjCObjectOrInterfaceType()) { 23029497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor const Token &AfterNext = GetLookAheadToken(2); 23039497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (AfterNext.is(tok::colon) || AfterNext.is(tok::r_square)) { 23049497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::identifier)) 23059497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor TryAnnotateTypeOrScopeToken(); 23069497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 23079497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return Tok.is(tok::annot_typename); 23089497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 23099497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 23109497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 23119497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 23129497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor} 23139497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 23141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 23150ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 23160ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 23172725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// objc-receiver: [C] 2318eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner/// 'super' 23190ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 23200ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 23210ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 23226aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 232360d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCMessageExpression() { 2324699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 2325699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 2326699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 23278e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor if (Tok.is(tok::code_completion)) { 232823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMessageReceiver(getCurScope()); 23297d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 23308e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor return ExprError(); 23318e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor } 23328e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor 23330fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 23340fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 23354e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) { 23366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We completely separate the C and C++ cases because C++ requires 23376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // more complicated (read: slower) parsing. 23386aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 23396aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Handle send to super. 23406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: This doesn't benefit from the same typo-correction we 23416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // get in Objective-C. 23426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) && Tok.getIdentifierInfo() == Ident_super && 234323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor NextToken().isNot(tok::period) && getCurScope()->isInObjcMethodScope()) 2344b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2345b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 23466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 23476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the receiver, which is either a type or an expression. 23486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool IsExpr; 2349304b752a450c0fc5968c20ba25446d0bb7c6f68dNick Lewycky void *TypeOrExpr = NULL; 23506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) { 23516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor SkipUntil(tok::r_square); 23526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ExprError(); 23536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 23546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 23556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (IsExpr) 2356b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2357b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 23589ae2f076ca5ab1feb3ba95629099ec2319833701John McCall static_cast<Expr*>(TypeOrExpr)); 23596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 23606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2361b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType::getFromOpaquePtr(TypeOrExpr), 2362b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 0); 2363c59cb38810c63a806270385f79ea84e0203754eaChris Lattner } 2364c59cb38810c63a806270385f79ea84e0203754eaChris Lattner 2365c59cb38810c63a806270385f79ea84e0203754eaChris Lattner if (Tok.is(tok::identifier)) { 23661dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 23671dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor SourceLocation NameLoc = Tok.getLocation(); 2368b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType; 236923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor switch (Actions.getObjCMessageKind(getCurScope(), Name, NameLoc, 23701dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor Name == Ident_super, 23711569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor NextToken().is(tok::period), 23721569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ReceiverType)) { 2373f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCSuperMessage: 2374b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2375b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 23762725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 2377f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCClassMessage: 23781569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor if (!ReceiverType) { 23792725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SkipUntil(tok::r_square); 23802725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor return ExprError(); 23812725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor } 23822725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 23831569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ConsumeToken(); // the type name 23841569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor 23851569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 23869ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ReceiverType, 0); 23871dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor 2388f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCInstanceMessage: 23892725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor // Fall through to parse an expression. 23901dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor break; 2391d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 2392699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 2393eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner 2394eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner // Otherwise, an arbitrary expression can be the receiver of a send. 239560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpression()); 23960e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 23975c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 23983fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Res; 2399699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 24001d922960e083906a586609ac6978678147250177Sebastian Redl 2401b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2402b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), Res.take()); 2403699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 24041d922960e083906a586609ac6978678147250177Sebastian Redl 24052725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \brief Parse the remainder of an Objective-C message following the 24062725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// '[' objc-receiver. 24072725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 24082725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// This routine handles sends to super, class messages (sent to a 24092725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class name), and instance messages (sent to an object), and the 24102725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// target is represented by \p SuperLoc, \p ReceiverType, or \p 24112725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// ReceiverExpr, respectively. Only one of these parameters may have 24122725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// a valid value. 24132725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 24142725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param LBracLoc The location of the opening '['. 24152725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 24162725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param SuperLoc If this is a send to 'super', the location of the 24172725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 'super' keyword that indicates a send to the superclass. 24182725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 24192725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverType If this is a class message, the type of the 24202725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class we are sending a message to. 24212725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 24222725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverExpr If this is an instance message, the expression 24232725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// used to compute the receiver object. 24241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 24250ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 24260ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 24270ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 24280ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 24290ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 24300ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 24310ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 24320ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 24331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 24340ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 24350ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 24360ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 24370ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 24380ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 24390ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 24400ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 24410ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 24421d922960e083906a586609ac6978678147250177Sebastian Redl/// 244360d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2444699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 24452725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation SuperLoc, 2446b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, 24471d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 24480fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 24490fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 2450c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 24512725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 2452050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, None, 245370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 24542725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 2455050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, None, 245670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 2457c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 24589ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2459050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko None, false); 24607d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 24617d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return ExprError(); 2462c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 2463d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 2464a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 24654b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 24662fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 246748f3cc2b2be1d32df14234904539b34e6e387e4aFariborz Jahanian 24685f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2469951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis SmallVector<SourceLocation, 12> KeyLocs; 24704e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer ExprVector KeyExprs; 247168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2472df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 2473a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 2474a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 247568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 2476951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis KeyLocs.push_back(Loc); 247737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 2478df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 2479a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 24804fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 24814fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 24824fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 24834fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 24841d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2485a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 24861d922960e083906a586609ac6978678147250177Sebastian Redl 248768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 24881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 248970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 249070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (Tok.is(tok::code_completion)) { 249170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (SuperLoc.isValid()) 249270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 2493050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 249470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 249570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else if (ReceiverType) 249670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2497050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 249870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 249970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else 250070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2501050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 250270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 250370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 25047d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 250570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 250670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor } 250770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 25080c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian ExprResult Expr; 25090c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { 25100c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); 25110c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian Expr = ParseBraceInitializer(); 25120c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian } else 25130c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian Expr = ParseAssignmentExpression(); 25140c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian 25150c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian ExprResult Res(Expr); 25160e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 25174fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 25184fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 25194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 25204fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 25213fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Res; 252237387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 25231d922960e083906a586609ac6978678147250177Sebastian Redl 252437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 2525effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 25261d922960e083906a586609ac6978678147250177Sebastian Redl 2527d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor // Code completion after each argument. 2528d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (Tok.is(tok::code_completion)) { 25292725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 253023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 2531050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 253270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 25332725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 253423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2535050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 253670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2537d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor else 25389ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2539050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 254070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 25417d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 254270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 2543d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor } 2544d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 254537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 25462fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 2547df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 2548a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 2549a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 2550a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2551a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 2552df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 255318df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian SourceLocation commaLoc = ConsumeToken(); // Eat the ','. 25541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 255560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 25560e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 255718df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian if (Tok.is(tok::colon)) { 255818df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian Diag(commaLoc, diag::note_extra_comma_message_arg) << 255918df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian FixItHint::CreateRemoval(commaLoc); 256018df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian } 25614fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 25624fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 25634fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 25644fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 25653fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Res; 256649f109c786f99eb7468dac3976db083a65493444Steve Naroff } 25670e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 256849f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 2569effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 2570a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2571a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 2572a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 25731d922960e083906a586609ac6978678147250177Sebastian Redl 25744fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 25754fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 25764fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 25774fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 25781d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2579a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2580809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian 2581df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 2582809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian if (Tok.is(tok::identifier)) 2583809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_colon); 2584809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian else 2585809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 25864fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 25874fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 25884fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 25894fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 25901d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2591a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 259248f3cc2b2be1d32df14234904539b34e6e387e4aFariborz Jahanian 2593699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 25941d922960e083906a586609ac6978678147250177Sebastian Redl 259529238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 2596951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis if (nKeys == 0) { 2597ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 2598951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis KeyLocs.push_back(Loc); 2599951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis } 2600ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 26011d922960e083906a586609ac6978678147250177Sebastian Redl 26022725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 260323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnSuperMessage(getCurScope(), SuperLoc, Sel, 26044e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer LBracLoc, KeyLocs, RBracLoc, KeyExprs); 26052725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 260623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnClassMessage(getCurScope(), ReceiverType, Sel, 26074e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer LBracLoc, KeyLocs, RBracLoc, KeyExprs); 26089ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnInstanceMessage(getCurScope(), ReceiverExpr, Sel, 26094e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer LBracLoc, KeyLocs, RBracLoc, KeyExprs); 26100ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 26110ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 261260d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 261360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseStringLiteralExpression()); 26143fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer if (Res.isInvalid()) return Res; 26151d922960e083906a586609ac6978678147250177Sebastian Redl 2616b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 2617b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 2618b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 26195f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 4> AtLocs; 26204e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer ExprVector AtStrings; 2621b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 2622effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 26230e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2624b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 2625b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 2626b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 262715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 262897cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 262997cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 2630b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 263160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Lit(ParseStringLiteralExpression()); 26320e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 26333fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 26340e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2635effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 2636b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 26371d922960e083906a586609ac6978678147250177Sebastian Redl 2638d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.data(), 2639d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber AtStrings.size()); 26405508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 2641f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 2642ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ParseObjCBooleanLiteral - 2643ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// objc-scalar-literal : '@' boolean-keyword 2644ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2645ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// boolean-keyword: 'true' | 'false' | '__objc_yes' | '__objc_no' 2646ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2647ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCBooleanLiteral(SourceLocation AtLoc, 2648ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek bool ArgValue) { 2649ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation EndLoc = ConsumeToken(); // consume the keyword. 2650ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return Actions.ActOnObjCBoolLiteral(AtLoc, EndLoc, ArgValue); 2651ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2652ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2653ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ParseObjCCharacterLiteral - 2654ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// objc-scalar-literal : '@' character-literal 2655ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2656ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCCharacterLiteral(SourceLocation AtLoc) { 2657ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult Lit(Actions.ActOnCharacterConstant(Tok)); 2658ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Lit.isInvalid()) { 26593fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 2660ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 26618b8d9534f185743fb72c59d4e735794e6e0f4335Benjamin Kramer ConsumeToken(); // Consume the literal token. 2662d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.BuildObjCNumericLiteral(AtLoc, Lit.take()); 2663ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2664ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2665ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ParseObjCNumericLiteral - 2666ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// objc-scalar-literal : '@' scalar-literal 2667ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2668ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// scalar-literal : | numeric-constant /* any numeric constant. */ 2669ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2670ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCNumericLiteral(SourceLocation AtLoc) { 2671ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult Lit(Actions.ActOnNumericConstant(Tok)); 2672ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Lit.isInvalid()) { 26733fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 2674ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 26758b8d9534f185743fb72c59d4e735794e6e0f4335Benjamin Kramer ConsumeToken(); // Consume the literal token. 2676d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.BuildObjCNumericLiteral(AtLoc, Lit.take()); 2677ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2678ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2679eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard/// ParseObjCBoxedExpr - 2680eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard/// objc-box-expression: 2681eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard/// @( assignment-expression ) 2682eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick BeardExprResult 2683eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick BeardParser::ParseObjCBoxedExpr(SourceLocation AtLoc) { 2684eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard if (Tok.isNot(tok::l_paren)) 2685eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@"); 2686eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard 2687eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard BalancedDelimiterTracker T(*this, tok::l_paren); 2688eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard T.consumeOpen(); 2689eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard ExprResult ValueExpr(ParseAssignmentExpression()); 2690eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard if (T.consumeClose()) 2691eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard return ExprError(); 2692edd27602f9cede4fee2c81c785b8f295c9d28752Argyrios Kyrtzidis 2693edd27602f9cede4fee2c81c785b8f295c9d28752Argyrios Kyrtzidis if (ValueExpr.isInvalid()) 2694edd27602f9cede4fee2c81c785b8f295c9d28752Argyrios Kyrtzidis return ExprError(); 2695edd27602f9cede4fee2c81c785b8f295c9d28752Argyrios Kyrtzidis 2696eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard // Wrap the sub-expression in a parenthesized expression, to distinguish 2697eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard // a boxed expression from a literal. 2698eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard SourceLocation LPLoc = T.getOpenLocation(), RPLoc = T.getCloseLocation(); 2699eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard ValueExpr = Actions.ActOnParenExpr(LPLoc, RPLoc, ValueExpr.take()); 2700d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.BuildObjCBoxedExpr(SourceRange(AtLoc, RPLoc), 2701d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber ValueExpr.take()); 2702eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard} 2703eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard 2704ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCArrayLiteral(SourceLocation AtLoc) { 27054e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer ExprVector ElementExprs; // array elements. 2706ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ConsumeBracket(); // consume the l_square. 2707ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2708ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek while (Tok.isNot(tok::r_square)) { 2709ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Parse list of array element expressions (all must be id types). 2710ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult Res(ParseAssignmentExpression()); 2711ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Res.isInvalid()) { 2712ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // We must manually skip to a ']', otherwise the expression skipper will 2713ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // stop at the ']' when it skips to the ';'. We want it to skip beyond 2714ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // the enclosing expression. 2715ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SkipUntil(tok::r_square); 27163fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Res; 2717ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2718ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2719ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Parse the ellipsis that indicates a pack expansion. 2720ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Tok.is(tok::ellipsis)) 2721ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Res = Actions.ActOnPackExpansion(Res.get(), ConsumeToken()); 2722ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Res.isInvalid()) 2723ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return true; 2724ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2725ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ElementExprs.push_back(Res.release()); 2726ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2727ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Tok.is(tok::comma)) 2728ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ConsumeToken(); // Eat the ','. 2729ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek else if (Tok.isNot(tok::r_square)) 2730ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ExprError(Diag(Tok, diag::err_expected_rsquare_or_comma)); 2731ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2732ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation EndLoc = ConsumeBracket(); // location of ']' 27334e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer MultiExprArg Args(ElementExprs); 2734d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.BuildObjCArrayLiteral(SourceRange(AtLoc, EndLoc), Args); 2735ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2736ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2737ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCDictionaryLiteral(SourceLocation AtLoc) { 2738ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SmallVector<ObjCDictionaryElement, 4> Elements; // dictionary elements. 2739ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ConsumeBrace(); // consume the l_square. 2740ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek while (Tok.isNot(tok::r_brace)) { 2741ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Parse the comma separated key : value expressions. 2742ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult KeyExpr; 2743ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek { 2744ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ColonProtectionRAIIObject X(*this); 2745ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek KeyExpr = ParseAssignmentExpression(); 2746ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (KeyExpr.isInvalid()) { 2747ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // We must manually skip to a '}', otherwise the expression skipper will 2748ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // stop at the '}' when it skips to the ';'. We want it to skip beyond 2749ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // the enclosing expression. 2750ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SkipUntil(tok::r_brace); 27513fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return KeyExpr; 2752ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2753ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2754ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2755ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Tok.is(tok::colon)) { 2756ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ConsumeToken(); 2757ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } else { 27580ac0ee9be071c796b0f05392b473234b884c0ae8Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 27590ac0ee9be071c796b0f05392b473234b884c0ae8Fariborz Jahanian SkipUntil(tok::r_brace); 27600ac0ee9be071c796b0f05392b473234b884c0ae8Fariborz Jahanian return ExprError(); 2761ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2762ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2763ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult ValueExpr(ParseAssignmentExpression()); 2764ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (ValueExpr.isInvalid()) { 2765ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // We must manually skip to a '}', otherwise the expression skipper will 2766ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // stop at the '}' when it skips to the ';'. We want it to skip beyond 2767ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // the enclosing expression. 2768ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SkipUntil(tok::r_brace); 27693fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return ValueExpr; 2770ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2771ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2772ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Parse the ellipsis that designates this as a pack expansion. 2773ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation EllipsisLoc; 27744e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (Tok.is(tok::ellipsis) && getLangOpts().CPlusPlus) 2775ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek EllipsisLoc = ConsumeToken(); 2776ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2777ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // We have a valid expression. Collect it in a vector so we can 2778ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // build the argument list. 2779ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ObjCDictionaryElement Element = { 278066874fb18afbffb8b2ca05576851a64534be3352David Blaikie KeyExpr.get(), ValueExpr.get(), EllipsisLoc, None 2781ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek }; 2782ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Elements.push_back(Element); 2783ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2784ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Tok.is(tok::comma)) 2785ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ConsumeToken(); // Eat the ','. 2786ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek else if (Tok.isNot(tok::r_brace)) 2787ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ExprError(Diag(Tok, diag::err_expected_rbrace_or_comma)); 2788ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2789ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation EndLoc = ConsumeBrace(); 2790ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2791ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Create the ObjCDictionaryLiteral. 2792d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.BuildObjCDictionaryLiteral(SourceRange(AtLoc, EndLoc), 2793d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber Elements.data(), Elements.size()); 2794ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2795ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2796f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 2797e23fb90712233bdfa04387e48b54a7168e23cb3eDmitri Gribenko/// \@encode ( type-name ) 279860d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 27991d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 2800861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 28011d922960e083906a586609ac6978678147250177Sebastian Redl 2802f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 28031d922960e083906a586609ac6978678147250177Sebastian Redl 28044fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 28051d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 28061d922960e083906a586609ac6978678147250177Sebastian Redl 28074a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 28084a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 28091d922960e083906a586609ac6978678147250177Sebastian Redl 2810809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 28111d922960e083906a586609ac6978678147250177Sebastian Redl 28124a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 28131d922960e083906a586609ac6978678147250177Sebastian Redl 2814809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2815809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2816809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 2817d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, T.getOpenLocation(), 2818d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber Ty.get(), T.getCloseLocation()); 2819f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 282029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 282129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 282217d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// \@protocol ( protocol-name ) 282360d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 28241d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 282529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 28261d922960e083906a586609ac6978678147250177Sebastian Redl 28274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 28281d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 28291d922960e083906a586609ac6978678147250177Sebastian Redl 28304a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 28314a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 28321d922960e083906a586609ac6978678147250177Sebastian Redl 28334fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 28341d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 28351d922960e083906a586609ac6978678147250177Sebastian Redl 2836390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 28377d24e289bea2accaaed79c6ca3e5cdd0c204ddc1Argyrios Kyrtzidis SourceLocation ProtoIdLoc = ConsumeToken(); 28381d922960e083906a586609ac6978678147250177Sebastian Redl 28394a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 284029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 2841d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 2842d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber T.getOpenLocation(), ProtoIdLoc, 2843d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber T.getCloseLocation()); 284429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 2845a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 2846a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 2847a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 284848f3cc2b2be1d32df14234904539b34e6e387e4aFariborz JahanianExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 2849a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 28501d922960e083906a586609ac6978678147250177Sebastian Redl 28514fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 28521d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 28531d922960e083906a586609ac6978678147250177Sebastian Redl 28545f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2855a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 2856458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 28574a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 28584a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 28594a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2860458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2861050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents); 28627d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2863458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2864458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2865458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 28662fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 28675add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (!SelIdent && // missing selector name. 28685add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 28691d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 28701d922960e083906a586609ac6978678147250177Sebastian Redl 2871b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2872887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 2873887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 2874a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 28755add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (Tok.is(tok::coloncolon)) { // Handle :: in C++. 28765add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 28775add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner KeyIdents.push_back(0); 28785add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner } else if (Tok.isNot(tok::colon)) 28791d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 28801d922960e083906a586609ac6978678147250177Sebastian Redl 28815add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 28823b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner ConsumeToken(); // Eat the ':' or '::'. 2883a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 2884a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2885458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2886458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2887050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents); 28887d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2889458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2890458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2891458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2892a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 2893a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 28942fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 2895b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 28963b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner if (!SelIdent && Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 2897a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2898a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 2899887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 29004a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 2901887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 2902d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 2903d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber T.getOpenLocation(), 290448f3cc2b2be1d32df14234904539b34e6e387e4aFariborz Jahanian T.getCloseLocation()); 290558065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 2906140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 29076c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanianvoid Parser::ParseLexedObjCMethodDefs(LexedMethod &LM, bool parseMethod) { 29086c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian // MCDecl might be null due to error in method or c-function prototype, etc. 29096c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian Decl *MCDecl = LM.D; 29106c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian bool skip = MCDecl && 29116c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian ((parseMethod && !Actions.isObjCMethodDecl(MCDecl)) || 29126c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian (!parseMethod && Actions.isObjCMethodDecl(MCDecl))); 29136c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian if (skip) 29146c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian return; 29156c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian 2916a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Save the current token position. 2917a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis SourceLocation OrigLoc = Tok.getLocation(); 2918a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2919140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian assert(!LM.Toks.empty() && "ParseLexedObjCMethodDef - Empty body!"); 2920140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Append the current token at the end of the new token stream so that it 2921140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // doesn't get lost. 2922140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian LM.Toks.push_back(Tok); 2923140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian PP.EnterTokenStream(LM.Toks.data(), LM.Toks.size(), true, false); 2924140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2925140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Consume the previously pushed token. 2926ab2d09b6287a5dc6fa94d78739444f46f9a78bfbArgyrios Kyrtzidis ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); 2927140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 29289e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian assert((Tok.is(tok::l_brace) || Tok.is(tok::kw_try) || 29299e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian Tok.is(tok::colon)) && 29309e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian "Inline objective-c method not starting with '{' or 'try' or ':'"); 29316c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian // Enter a scope for the method or c-fucntion body. 2932140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ParseScope BodyScope(this, 29336c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian parseMethod 29346c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian ? Scope::ObjCMethodScope|Scope::FnScope|Scope::DeclScope 29356c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian : Scope::FnScope|Scope::DeclScope); 2936140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 29376c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian // Tell the actions module that we have entered a method or c-function definition 29386c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian // with the specified Declarator for the method/function. 29398c6cb462946b8be19167fad7ff21d4f9fbaebfefFariborz Jahanian if (parseMethod) 29408c6cb462946b8be19167fad7ff21d4f9fbaebfefFariborz Jahanian Actions.ActOnStartOfObjCMethodDef(getCurScope(), MCDecl); 29418c6cb462946b8be19167fad7ff21d4f9fbaebfefFariborz Jahanian else 29428c6cb462946b8be19167fad7ff21d4f9fbaebfefFariborz Jahanian Actions.ActOnStartOfFunctionDef(getCurScope(), MCDecl); 29432eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian if (Tok.is(tok::kw_try)) 29442eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian MCDecl = ParseFunctionTryBlock(MCDecl, BodyScope); 29459e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian else { 29469e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian if (Tok.is(tok::colon)) 29479e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian ParseConstructorInitializer(MCDecl); 29482eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian MCDecl = ParseFunctionStatementBody(MCDecl, BodyScope); 29499e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian } 29506940972c33891ff5d2189fbf232dcdeee0e9daf8Fariborz Jahanian 2951a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis if (Tok.getLocation() != OrigLoc) { 2952a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Due to parsing error, we either went over the cached tokens or 2953a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // there are still cached tokens left. If it's the latter case skip the 2954a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // leftover tokens. 2955a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Since this is an uncommon situation that should be avoided, use the 2956a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // expensive isBeforeInTranslationUnit call. 2957a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis if (PP.getSourceManager().isBeforeInTranslationUnit(Tok.getLocation(), 2958a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis OrigLoc)) 2959a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis while (Tok.getLocation() != OrigLoc && Tok.isNot(tok::eof)) 2960a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis ConsumeAnyToken(); 2961a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis } 2962a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 29636c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian return; 2964140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian} 2965