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 } 546bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 556bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Decl *SingleDecl = nullptr; 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: 820e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (getLangOpts().Modules || getLangOpts().DebuggerSupport) 8394ad28b31433058445a27db722f60402ee820beaDouglas Gregor return ParseModuleImport(AtLoc); 84651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(AtLoc, diag::err_atimport); 85651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::semi); 866bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return Actions.ConvertDeclToDeclGroup(nullptr); 875ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 885ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 895ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 906bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines SingleDecl = nullptr; 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)) { 110651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 1126bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return Actions.ConvertDeclToDeclGroup(nullptr); 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 115c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!TryConsumeToken(tok::comma)) 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 123651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::semi, diag::err_expected_after, "@class")) 1246bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return Actions.ConvertDeclToDeclGroup(nullptr); 1251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 126c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 127c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 128c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 131d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggenvoid Parser::CheckNestedObjCContexts(SourceLocation AtLoc) 132d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen{ 133d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Sema::ObjCContainerKind ock = Actions.getObjCContainerKind(); 134d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (ock == Sema::OCK_None) 135d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen return; 136d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 137849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Decl *Decl = Actions.getObjCDeclContext(); 138849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) { 139849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl->finish(AtLoc); 140849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } else { 141849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Actions.ActOnAtEnd(getCurScope(), AtLoc); 142849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 143d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(AtLoc, diag::err_objc_missing_end) 144d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(AtLoc, "@end\n"); 145d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen if (Decl) 146d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(Decl->getLocStart(), diag::note_objc_container_start) 147d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) ock; 148d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen} 149d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 150dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 151dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 152dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 153dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 154dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 155dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 1561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 157dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 1581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 159dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 160dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 161dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 162dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 164dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 165dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 166dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 167dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 168dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 169dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 170dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 171dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 172dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 173dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 177b2f6820773aabff3c5c9e0dbb1cbbbda0d80c41fPatrick Beard/// __attribute__((objc_root_class)) 178dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 179d64251fd56577dd5c78903454632361e094c6dc1Erik VerbruggenDecl *Parser::ParseObjCAtInterfaceDeclaration(SourceLocation AtLoc, 1807f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 181861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 182dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 183d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen CheckNestedObjCContexts(AtLoc); 184dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1863b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@interface'. 1873b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 18823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceDecl(getCurScope()); 1897d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1906bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1913b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 1923b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 193e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber MaybeSkipAttributes(tok::objc_interface); 1949f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber 195df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 196651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) 197651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::identifier; // missing class or category name. 1986bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 199dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 20063e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 201dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 2027ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 203dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 2045512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::l_paren) && 2055512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian !isKnownToBeTypeSpecifier(GetLookAheadToken(1))) { // we have a category. 2064a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2074a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 2084a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 2094a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2104a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor SourceLocation categoryLoc; 2116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *categoryId = nullptr; 21233ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 21323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceCategory(getCurScope(), nameId, nameLoc); 2147d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2156bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 21633ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 21733ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 218527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 219df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 220dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 221dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 22205511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 2234e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie else if (!getLangOpts().ObjC2) { 224651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) 225651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::identifier; // missing category name. 2266bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 227dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 2284a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 2294a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 2304a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor if (T.getCloseLocation().isInvalid()) 2316bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 2326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 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)) 2456bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 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. 2636bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *superClassId = nullptr; 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(); 2736bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 2743b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 2753b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 276df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 277651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) 278651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::identifier; // missing super class name. 2796bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 280dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 281dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 282dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 283dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 284dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 2855f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 2865f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 28771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 28806036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 28971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 29071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 2916bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 293a924f847fcc3268ca2ce5c1bc5592a3774aeab80Fariborz Jahanian if (Tok.isNot(tok::less)) 294a924f847fcc3268ca2ce5c1bc5592a3774aeab80Fariborz Jahanian Actions.ActOnTypedefedProtocols(ProtocolRefs, superClassId, superClassLoc); 295a924f847fcc3268ca2ce5c1bc5592a3774aeab80Fariborz Jahanian 296d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ClsType = 297d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Actions.ActOnStartClassInterface(AtLoc, nameId, nameLoc, 29806036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 299beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 30018df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 3017f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 303df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 304d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen ParseObjCClassInstanceVariables(ClsType, tok::objc_protected, AtLoc); 305dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 3062f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_interface, ClsType); 3075512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return ClsType; 308dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 309dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 310dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 311dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 312dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 313294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 3143536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 315dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 316dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 317dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 318294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 319294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 320294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 321294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 3222f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(tok::ObjCKeywordKind contextKey, 3232f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian Decl *CDecl) { 3245f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> allMethods; 3255f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 16> allProperties; 3265f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclGroupPtrTy, 8> allTUVariables; 32700933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 329782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceRange AtEnd; 3302f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian 331294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 332e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 333df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 334d30ec7076fef736754206ac87a4f2c67251cc4d8Fariborz Jahanian if (Decl *methodPrototype = 335d30ec7076fef736754206ac87a4f2c67251cc4d8Fariborz Jahanian ParseObjCMethodPrototype(MethodImplKind, false)) 336d30ec7076fef736754206ac87a4f2c67251cc4d8Fariborz Jahanian allMethods.push_back(methodPrototype); 3373536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 3383536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 3390db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis if (ExpectAndConsumeSemi(diag::err_expected_semi_after_method_proto)) { 3400db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis // We didn't find a semi and we error'ed out. Skip until a ';' or '@'. 3418fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::at, StopAtSemi | StopBeforeMatch); 3420db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis if (Tok.is(tok::semi)) 3430db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis ConsumeToken(); 3440db9f4dad563a335641f5b9d4a42504d638b6c85Argyrios Kyrtzidis } 345294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 346294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 34705511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian if (Tok.is(tok::l_paren)) { 34805511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian Diag(Tok, diag::err_expected_minus_or_plus); 349d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParseObjCMethodDecl(Tok.getLocation(), 350d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::minus, 35190ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, false); 35205511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian continue; 35305511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 354e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 355e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 356294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 357e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 358e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 360bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 361651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (isEofOrEom()) 362e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 364b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor // Code completion within an Objective-C interface. 365b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor if (Tok.is(tok::code_completion)) { 36623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 367849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl? Sema::PCC_ObjCImplementation 368f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_ObjCInterface); 3697d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 370b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor } 371b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor 372e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 373e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 3741fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 3751fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 3761fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 3771fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 3781fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 3792edf0a2520313cde900799b1eb9bd11c9c776afeSean Hunt ParsedAttributesWithRange attrs(AttrFactory); 3807f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall allTUVariables.push_back(ParseDeclarationOrFunctionDefinition(attrs)); 381e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 382e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 384e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 385e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 386c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 387a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 3887d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 389c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 390c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 391a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 3921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 393a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 394782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setBegin(AtLoc); 395782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setEnd(Tok.getLocation()); 396e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 397c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor } else if (DirectiveKind == tok::objc_not_keyword) { 398c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor Diag(Tok, diag::err_objc_unknown_at); 399c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor SkipUntil(tok::semi); 400c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor continue; 401bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 4021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 403bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 404bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 405bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 406a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 407a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 408bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 409bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 410bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 411bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 412f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 413bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 4148fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace, tok::at, StopAtSemi); 415a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 41646d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 41746d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian case tok::objc_implementation: 418df81c2c6ce37f4ae3c45dd01093b6274fa0b6692Fariborz Jahanian case tok::objc_interface: 419d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(AtLoc, diag::err_objc_missing_end) 420d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(AtLoc, "@end\n"); 421d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(CDecl->getLocStart(), diag::note_objc_container_start) 422d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) Actions.getObjCContainerKind(); 42346d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian ConsumeToken(); 42446d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian break; 42546d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 426a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 427a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 428a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 429bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 430e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 431bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 432a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 433bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 434a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 436a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 4374e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().ObjC2) 438b321c0c0ba957d78475e72cebde4028fdaa00f8fChris Lattner Diag(AtLoc, diag::err_objc_properties_require_objc2); 439f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 440e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 44177bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian SourceLocation LParenLoc; 4421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 44377bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian if (Tok.is(tok::l_paren)) { 44477bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian LParenLoc = Tok.getLocation(); 445a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCPropertyAttribute(OCDS); 44677bfb8b43ec3f7dee3a71f6e854b03ad29dab84fFariborz Jahanian } 4471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 448176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines auto ObjCPropertyCallback = [&](ParsingFieldDeclarator &FD) { 449176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (FD.D.getIdentifier() == nullptr) { 450176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(AtLoc, diag::err_objc_property_requires_field_name) 451176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines << FD.D.getSourceRange(); 452176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return; 453176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 454176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (FD.BitfieldSize) { 455176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Diag(AtLoc, diag::err_objc_property_bitfield) 456176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines << FD.D.getSourceRange(); 457176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return; 458176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 459176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 460176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Install the property declarator into interfaceDecl. 461176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines IdentifierInfo *SelName = 462176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 463176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 464176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Selector GetterSel = PP.getSelectorTable().getNullarySelector(SelName); 465176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines IdentifierInfo *SetterName = OCDS.getSetterName(); 466176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Selector SetterSel; 467176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (SetterName) 468176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SetterSel = PP.getSelectorTable().getSelector(1, &SetterName); 469176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines else 470176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SetterSel = SelectorTable::constructSetterSelector( 471176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines PP.getIdentifierTable(), PP.getSelectorTable(), 472176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines FD.D.getIdentifier()); 473176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines bool isOverridingProperty = false; 474176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Decl *Property = Actions.ActOnProperty( 475176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines getCurScope(), AtLoc, LParenLoc, FD, OCDS, GetterSel, SetterSel, 476176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines &isOverridingProperty, MethodImplKind); 477176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (!isOverridingProperty) 478176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines allProperties.push_back(Property); 479176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 480176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines FD.complete(Property); 481176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines }; 482bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 483e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 484f66a0dda541cd859a928193efba6dc5d7ba8fe54Eli Friedman ParsingDeclSpec DS(*this); 485176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ParseStructDeclaration(DS, ObjCPropertyCallback); 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4877da19ea50d4161fcda40d135735bcf450cabeb50John McCall ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list); 488a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 489f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 490294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 491bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 492bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 493bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 494c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 495a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 4967d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 497d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } else if (Tok.isObjCAtKeyword(tok::objc_end)) { 498bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 499d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } else { 500d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(Tok, diag::err_objc_missing_end) 501d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << FixItHint::CreateInsertion(Tok.getLocation(), "\n@end\n"); 502d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(CDecl->getLocStart(), diag::note_objc_container_start) 503d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen << (int) Actions.getObjCContainerKind(); 504d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtEnd.setBegin(Tok.getLocation()); 505d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtEnd.setEnd(Tok.getLocation()); 506d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen } 5071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 508a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 509bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 510a3c6246950f23d7d4cd748badaf8f05d7bc3f14aFariborz Jahanian Actions.ActOnAtEnd(getCurScope(), AtEnd, allMethods, allTUVariables); 511294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 512294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 513d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 514d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 515d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 516d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 517d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 518d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 519d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 520d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 521d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 522d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 523d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 524d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 525d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 526d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 527d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 528f85e193739c953358c865005855253af4f68a497John McCall/// atomic 529f85e193739c953358c865005855253af4f68a497John McCall/// strong 530f85e193739c953358c865005855253af4f68a497John McCall/// weak 531f85e193739c953358c865005855253af4f68a497John McCall/// unsafe_unretained 532d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 533a28948f34817476d02412fa204cae038e228c827Fariborz Jahanianvoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 5348ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 5354a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 5364a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 5371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 538cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 539ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 54023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyFlags(getCurScope(), DS); 5417d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 542ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 543d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 5441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 545f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 5466bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (!II) { 5474a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 548f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 549f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 5501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 551156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 5521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55392e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 554e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 55592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 556e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 557f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("unsafe_unretained")) 558f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_unsafe_unretained); 55992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 560e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 56192e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 562e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 563f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("strong")) 564f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_strong); 56592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 566e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 56792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 568e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 56945937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian else if (II->isStr("atomic")) 57045937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_atomic); 571f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("weak")) 572f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_weak); 57392e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 57442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson bool IsSetter = II->getNameStart()[0] == 's'; 57542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 576e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 57742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson unsigned DiagID = IsSetter ? diag::err_objc_expected_equal_for_setter : 57842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson diag::err_objc_expected_equal_for_getter; 57942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 580651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::equal, DiagID)) { 581651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::r_paren, StopAtSemi); 582dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 583651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5854ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (Tok.is(tok::code_completion)) { 58642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) 587a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySetter(getCurScope()); 5884ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor else 589a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyGetter(getCurScope()); 5907d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 5914ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor } 5924ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor 59342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 59442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson SourceLocation SelLoc; 59542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson IdentifierInfo *SelIdent = ParseObjCSelectorPiece(SelLoc); 59642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 59742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (!SelIdent) { 59842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson Diag(Tok, diag::err_objc_expected_selector_for_getter_setter) 59942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson << IsSetter; 6008fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_paren, StopAtSemi); 6018ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 6028ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) { 6058ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 60642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setSetterName(SelIdent); 6071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 608651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::colon, 609651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines diag::err_expected_colon_after_setter_name)) { 610651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines SkipUntil(tok::r_paren, StopAtSemi); 6118ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 612651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 6138ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 6148ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 61542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setGetterName(SelIdent); 6168ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 617e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 618a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 6198fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_paren, StopAtSemi); 620cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 621cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 6221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 623156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 624156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 6251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 626156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 627d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6294a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 630d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 631d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 6323536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 6331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 6343536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 635294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 636294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 637294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 638294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6394985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 6404985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 6414985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 642a28948f34817476d02412fa204cae038e228c827Fariborz JahanianDecl *Parser::ParseObjCMethodPrototype(tok::ObjCKeywordKind MethodImplKind, 64390ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 644df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 645294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 647bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 648a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodDecl(mLoc, methodType, MethodImplKind, 64990ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodDefinition); 6503536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 6512bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 652f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 653294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 654294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 655294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 656294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 657294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 658294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 659294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 660294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 661294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 662294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6632fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 664be74740cc246ce08d42804a684385a42eb814edbFariborz Jahanian 665ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 666ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 6676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 668afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampamp: 669afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampequal: 670afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::amp: 671afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipe: 672afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::tilde: 673afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaim: 674afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaimequal: 675afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipepipe: 676afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipeequal: 677afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caret: 678afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caretequal: { 6793846ca29a8cc1d376a4b695194c29952dbbfb544Fariborz Jahanian std::string ThisTok(PP.getSpelling(Tok)); 6803f6f51e28231f65de9c2dd150a2d757b2162cfa3Jordan Rose if (isLetter(ThisTok[0])) { 681afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian IdentifierInfo *II = &PP.getIdentifierTable().get(ThisTok.data()); 682afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian Tok.setKind(tok::identifier); 683afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian SelectorLoc = ConsumeToken(); 684afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return II; 685afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 6866bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 687afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 688afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian 689ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 690ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 691ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 6929298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 693ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 694ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 695ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 696ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 697ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 698ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 699ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 700ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 701ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 702ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 703ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 704ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 705ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 706ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 707ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 708ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 709ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 710ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 711ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 712ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 713ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 714ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 715ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 716ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 717ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 718ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 719ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 720ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 721ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 722ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 723ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 724ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 725ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 726ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 727ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 728ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 729ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 730ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 731ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 732ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 733ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 734ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 735ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 736ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 737ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 738ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 739ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 740ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 741ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 742ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 743ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 744ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 745ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 746ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 747ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 748ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 749ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 750ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 751ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 752ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 753ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 754ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 755ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 756ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 757ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 758ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 7594b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 760ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 761d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 762294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 763294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 7640196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 7650196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 766335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 7673ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 7683ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 7693ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 7704e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie return (getLangOpts().ObjC2 && Tok.is(tok::identifier) && 7715ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 7720196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 7730196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 774a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 775e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 776e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 777294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 778294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 779294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 780294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 781294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 782b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregorvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS, 783cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::TheContext Context) { 784cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert(Context == Declarator::ObjCParameterContext || 785cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Context == Declarator::ObjCResultContext); 786cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 787e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 788d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor if (Tok.is(tok::code_completion)) { 789b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor Actions.CodeCompleteObjCPassingType(getCurScope(), DS, 790cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Context == Declarator::ObjCParameterContext); 7917d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 792d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor } 793d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor 794cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 795e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 797e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 798e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 799a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 800e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 8011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 802a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 803e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 804b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown decl qualifier"); 805a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 806a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 807a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 808a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 809a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 810a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 811e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 812a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 813e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 8146bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines II = nullptr; 815e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 816e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 8171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 818e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 819e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 820e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 821e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 822e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 823cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// Take all the decl attributes out of the given list and add 824cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// them to the given attribute set. 825cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCallstatic void takeDeclAttributes(ParsedAttributes &attrs, 826cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall AttributeList *list) { 827cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall while (list) { 828cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall AttributeList *cur = list; 829cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall list = cur->getNext(); 830cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 831cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!cur->isUsedAsTypeAttr()) { 832cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Clear out the next pointer. We're really completely 833cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // destroying the internal invariants of the declarator here, 834cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // but it doesn't matter because we're done with it. 8356bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines cur->setNext(nullptr); 836cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.add(cur); 837cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 838cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 839cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall} 840cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 841cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// takeDeclAttributes - Take all the decl attributes from the given 842cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall/// declarator and add them to the given list. 843cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCallstatic void takeDeclAttributes(ParsedAttributes &attrs, 844cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator &D) { 845cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // First, take ownership of all attributes. 846cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.getPool().takeAllFrom(D.getAttributePool()); 847cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall attrs.getPool().takeAllFrom(D.getDeclSpec().getAttributePool()); 848cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 849cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Now actually move the attributes over. 850cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, D.getDeclSpec().getAttributes().getList()); 851cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, D.getAttributes()); 852cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall for (unsigned i = 0, e = D.getNumTypeObjects(); i != e; ++i) 853cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(attrs, 854cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall const_cast<AttributeList*>(D.getTypeObject(i).getAttrs())); 855cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall} 856cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 857e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 858e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 859e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 860e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 861b77cab97f17f946744c920629ca17271308d8ebfDouglas GregorParsedType Parser::ParseObjCTypeName(ObjCDeclSpec &DS, 862cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::TheContext context, 863cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParsedAttributes *paramAttrs) { 864cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall assert(context == Declarator::ObjCParameterContext || 865cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall context == Declarator::ObjCResultContext); 8666bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines assert((paramAttrs != nullptr) == 8676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines (context == Declarator::ObjCParameterContext)); 868cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 869df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8714a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 8724a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 8734a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor 874e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 8759735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 8769735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 87719d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 878cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseObjCTypeQualifierList(DS, context); 8794fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 880b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty; 881809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 882cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Parse an abstract declarator. 883cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall DeclSpec declSpec(AttrFactory); 884cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall declSpec.setObjCQualifiers(&DS); 885cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseSpecifierQualifierList(declSpec); 8866d1de1b8663fe652903bda2927b885d1ec0f2613Fariborz Jahanian declSpec.SetRangeEnd(Tok.getLocation()); 887cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator declarator(declSpec, context); 888cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ParseDeclarator(declarator); 889cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 890cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // If that's not invalid, extract a type. 891cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!declarator.isInvalidType()) { 892cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall TypeResult type = Actions.ActOnTypeName(getCurScope(), declarator); 893cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (!type.isInvalid()) 894cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Ty = type.get(); 895cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall 896cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // If we're parsing a parameter, steal all the decl attributes 897cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // and add them to the decl spec. 898cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall if (context == Declarator::ObjCParameterContext) 899cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall takeDeclAttributes(*paramAttrs, declarator); 900cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } 901cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall } else if (context == Declarator::ObjCResultContext && 902cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Tok.is(tok::identifier)) { 903e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!Ident_instancetype) 904e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ident_instancetype = PP.getIdentifierInfo("instancetype"); 905e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 906e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (Tok.getIdentifierInfo() == Ident_instancetype) { 907e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ty = Actions.ActOnObjCInstanceType(Tok.getLocation()); 908e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ConsumeToken(); 909e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor } 910809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 911e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 9124a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 9134a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 9144a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 915e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 9161ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 9178fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_paren, StopAtSemi); 9184a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 9194a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 9204a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 9214a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 922294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 923f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 924294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 925294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 926294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 927294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 9284985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 929294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 9304985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 931294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 932294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 934294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 935294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 936294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 9377ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 9387ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 9397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 9407ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 941294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9424985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 9434985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 944294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9454985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 9464985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 947294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9484985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 949294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 950294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 9517ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 9527ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 9537ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 954d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 9552ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::TokenKind mType, 95690ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian tok::ObjCKeywordKind MethodImplKind, 95790ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 9589257664568bf375b7790131a84d9a4fa30a5b7e3John McCall ParsingDeclRAIIObject PD(*this, ParsingDeclRAIIObject::NoParent); 95954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 960e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 96123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 962a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian /*ReturnType=*/ ParsedType()); 9637d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 9646bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 965e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 966e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 967e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 968b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReturnType; 969a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 970df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 9716bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ReturnType = ParseObjCTypeName(DSRet, Declarator::ObjCResultContext, 9726bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines nullptr); 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9749e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // If attributes exist before the method, parse them. 9750b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes methodAttrs(AttrFactory); 9764e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC2) 9770b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 9789e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek 979e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 98023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 981a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ReturnType); 9827d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 9836bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 984e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 985e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 9869e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // Now parse the selector. 987bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 9882fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 989e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 99084c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 99184c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 9921ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 9931ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 994d30ec7076fef736754206ac87a4f2c67251cc4d8Fariborz Jahanian // Skip until we get a ; or @. 9958fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::at, StopAtSemi | StopBeforeMatch); 9966bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 997e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclaratorChunk::ParamInfo, 8> CParamInfo; 1000df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1001ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 10024e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC2) 10030b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 10041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1005ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 1006d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 10077f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1008a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 10096bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines selLoc, Sel, nullptr, 10104f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 10110b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), MethodImplKind, 10120b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall false, MethodDefinition); 101354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 101454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1015ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 1016f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 10175f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 101811d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis SmallVector<SourceLocation, 12> KeyLocs; 10195f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Sema::ObjCArgInfo, 12> ArgInfos; 10203a2b7a18a4504f39e3ded0d2b5749c5c80b8b9b5Richard Smith ParseScope PrototypeScope(this, Scope::FunctionPrototypeScope | 10213a2b7a18a4504f39e3ded0d2b5749c5c80b8b9b5Richard Smith Scope::FunctionDeclarationScope | Scope::DeclScope); 10220b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 10230b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall AttributePool allParamAttrs(AttrFactory); 1024ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 10250b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes paramAttrs(AttrFactory); 1026f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::ObjCArgInfo ArgInfo; 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1028ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 1029651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::colon)) 1030ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1032b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ArgInfo.Type = ParsedType(); 1033e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 1034cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec, 1035cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall Declarator::ObjCParameterContext, 1036cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall ¶mAttrs); 1037e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 1038ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 1039cdda47faab5c2c61c239491a1a091e071ed3e38eJohn McCall // Regardless, collect all the attributes we've parsed so far. 10406bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ArgInfo.ArgAttrs = nullptr; 10414e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC2) { 10420b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(paramAttrs); 10430b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ArgInfo.ArgAttrs = paramAttrs.getList(); 10447f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 10457ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 104640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor // Code completion for the next piece of the selector. 104740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor if (Tok.is(tok::code_completion)) { 104840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.push_back(SelIdent); 104940ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 105040ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor mType == tok::minus, 105140ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/true, 1052050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko ReturnType, KeyIdents); 10537d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 10546bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 105540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor } 105640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor 1057df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1058651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) 1059651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::identifier; // missing argument name. 1060ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 10614985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 10621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1063e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 1064e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 1065ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1067e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 1068e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 106911d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis KeyLocs.push_back(selLoc); 1070e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 10710b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall // Make sure the attributes persist. 10720b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall allParamAttrs.takeAllFrom(paramAttrs.getPool()); 10730b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 10741f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor // Code completion for the next piece of the selector. 10751f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor if (Tok.is(tok::code_completion)) { 10761f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 10771f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor mType == tok::minus, 107840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/false, 1079050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko ReturnType, KeyIdents); 10807d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 10816bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 10821f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor } 10831f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor 1084ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 108511d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis SelIdent = ParseObjCSelectorPiece(selLoc); 1086b648cf02f13ae74ec346f8d22933298f9977e4e0Ted Kremenek if (!SelIdent && Tok.isNot(tok::colon)) 1087b648cf02f13ae74ec346f8d22933298f9977e4e0Ted Kremenek break; 108803ebd3b4af9e4ab8e14a3f136d8a28df463f54ecFariborz Jahanian if (!SelIdent) { 108908602359845e668194d111b794b8965358babfe6Fariborz Jahanian SourceLocation ColonLoc = Tok.getLocation(); 109008602359845e668194d111b794b8965358babfe6Fariborz Jahanian if (PP.getLocForEndOfToken(ArgInfo.NameLoc) == ColonLoc) { 109103ebd3b4af9e4ab8e14a3f136d8a28df463f54ecFariborz Jahanian Diag(ArgInfo.NameLoc, diag::warn_missing_selector_name) << ArgInfo.Name; 109203ebd3b4af9e4ab8e14a3f136d8a28df463f54ecFariborz Jahanian Diag(ArgInfo.NameLoc, diag::note_missing_selector_name) << ArgInfo.Name; 109303ebd3b4af9e4ab8e14a3f136d8a28df463f54ecFariborz Jahanian Diag(ColonLoc, diag::note_force_empty_selector_name) << ArgInfo.Name; 109408602359845e668194d111b794b8965358babfe6Fariborz Jahanian } 109508602359845e668194d111b794b8965358babfe6Fariborz Jahanian } 1096ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 1097ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1099335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 110056242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian bool cStyleParamWarned = false; 1101ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 1102df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 1103ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 1104df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 1105335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 11064985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 1107ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 11084985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 110956242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian if (!cStyleParamWarned) { 111056242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian Diag(Tok, diag::warn_cstyle_param); 111156242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian cStyleParamWarned = true; 111256242baaae6c45b24fbdd5bc56fe4ee516fa9e6bFariborz Jahanian } 11130b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1114ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 1116ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 1117ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 11184f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian IdentifierInfo *ParmII = ParmDecl.getIdentifier(); 1119d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = Actions.ActOnParamDeclarator(getCurScope(), ParmDecl); 11204f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, 11214f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian ParmDecl.getIdentifierLoc(), 11224f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian Param, 11236bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines nullptr)); 11244985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 11251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11269c4bb2c08989265411925a04252fd4f93c26e3b1Cameron Esfahani // FIXME: Add support for optional parameter list... 1127e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 11284e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC2) 11290b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 11307f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1131a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (KeyIdents.size() == 0) 11326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 11336bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 1134ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 1135ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 1136d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 11377f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1138a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 113911d77169555480ee0a04c6e5bc390d8fde41175dArgyrios Kyrtzidis KeyLocs, Sel, &ArgInfos[0], 11404f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 11410b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), 114290ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, isVariadic, MethodDefinition); 11437f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 114454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 114554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1146294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 1147294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 1148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 1149dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 1150dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 11517caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 11525f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerParseObjCProtocolReferences(SmallVectorImpl<Decl *> &Protocols, 11535f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceLocation> &ProtocolLocs, 115471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 115571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 1156e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 11571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 115871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 11591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11605f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolIdents; 11611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1162e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 116355385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 116455385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 116555385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 11667d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 11677d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return true; 116855385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 116955385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 1170e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 1171651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; 11728fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::greater, StopAtSemi); 1173e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1174e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 1175e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 1176e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 117771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 1178e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 11791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1180651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!TryConsumeToken(tok::comma)) 1181e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 1182e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1184e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 1185b707a4762fcc47c12b5f487856ba0781c9399295Nico Weber if (ParseGreaterThanInTemplateList(EndLoc, /*ConsumeLastToken=*/true)) 1186e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 11871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1188e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 1189e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 1190e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 1191e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 1192e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 1193e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 1194e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 11959bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// \brief Parse the Objective-C protocol qualifiers that follow a typename 11969bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// in a decl-specifier-seq, starting at the '<'. 119746f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregorbool Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) { 11989bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(Tok.is(tok::less) && "Protocol qualifiers start with '<'"); 11994e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie assert(getLangOpts().ObjC1 && "Protocol qualifiers only exist in Objective-C"); 12009bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor SourceLocation LAngleLoc, EndProtoLoc; 12015f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolDecl; 12025f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 120346f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor bool Result = ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, 120446f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor LAngleLoc, EndProtoLoc); 12059bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), 12069bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ProtocolLocs.data(), LAngleLoc); 12079bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (EndProtoLoc.isValid()) 12089bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(EndProtoLoc); 120946f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor return Result; 12109bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor} 12119bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 12124cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanianvoid Parser::HelperActionsForIvarDeclarations(Decl *interfaceDecl, SourceLocation atLoc, 12134cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian BalancedDelimiterTracker &T, 12144cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian SmallVectorImpl<Decl *> &AllIvarDecls, 12154cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian bool RBraceMissing) { 12164cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian if (!RBraceMissing) 12174cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian T.consumeClose(); 12184cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian 12194cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Actions.ActOnObjCContainerStartDefinition(interfaceDecl); 12204cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Actions.ActOnLastBitfield(T.getCloseLocation(), AllIvarDecls); 12214cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(); 12224cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian // Call ActOnFields() even if we don't have any decls. This is useful 12234cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian // for code rewriting tools that need to be aware of the empty list. 12244cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Actions.ActOnFields(getCurScope(), atLoc, interfaceDecl, 12254cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian AllIvarDecls, 12266bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines T.getOpenLocation(), T.getCloseLocation(), nullptr); 12274cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian} 12289bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 1229dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 1230dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 1231dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1232dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 1233dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 1234dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 1235dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 1236dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 1237dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 1238dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 1239dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1240dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 1241dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 1242dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 1243dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 1244ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 1245dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1246dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 1248dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1249d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCClassInstanceVariables(Decl *interfaceDecl, 125083c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian tok::ObjCKeywordKind visibility, 125160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 1252df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 12535f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> AllIvarDecls; 1254a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 12551a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 12563a387441ae339363ee5b254658f295e97bd9e913Argyrios Kyrtzidis ObjCDeclContextSwitch ObjCDC(*this); 125772de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 12584a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_brace); 12594a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 1260ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 1261651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines while (Tok.isNot(tok::r_brace) && !isEofOrEom()) { 1262ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 12631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1264ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 1265df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 12664b0e6f1da341510c1ad83eaf4c836f3134d0156aRichard Trieu ConsumeExtraSemi(InstanceVariableList); 1267ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1268ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1270ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 1271651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::at)) { // parse objc-visibility-spec 1272c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 127323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtVisibility(getCurScope()); 12747d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1275c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1276c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1277861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 1278ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 1279ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 1280ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 1281ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 1282861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 1283ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 12841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 1285695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian 1286695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian case tok::objc_end: 1287695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian Diag(Tok, diag::err_objc_unexpected_atend); 12884cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Tok.setLocation(Tok.getLocation().getLocWithOffset(-1)); 12894cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Tok.setKind(tok::at); 12904cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian Tok.setLength(1); 12914cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian PP.EnterToken(Tok); 12924cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian HelperActionsForIvarDeclarations(interfaceDecl, atLoc, 12934cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian T, AllIvarDecls, true); 12944cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian return; 1295695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian 1296695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian default: 1297695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian Diag(Tok, diag::err_objc_illegal_visibility_spec); 1298695031cd78fe789efbb88504372413432ae2feaaFariborz Jahanian continue; 1299ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1300ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1302c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 130323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 1304f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PCC_ObjCInstanceVariableList); 13057d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1306c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1307bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1308176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines auto ObjCIvarCallback = [&](ParsingFieldDeclarator &FD) { 1309176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Actions.ActOnObjCContainerStartDefinition(interfaceDecl); 1310176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Install the declarator into the interface decl. 1311176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Decl *Field = Actions.ActOnIvar( 1312176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines getCurScope(), FD.D.getDeclSpec().getSourceRange().getBegin(), FD.D, 1313176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines FD.BitfieldSize, visibility); 1314176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Actions.ActOnObjCContainerFinishDefinition(); 1315176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (Field) 1316176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines AllIvarDecls.push_back(Field); 1317176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines FD.complete(Field); 1318176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines }; 1319176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 1320e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 1321f66a0dda541cd859a928193efba6dc5d7ba8fe54Eli Friedman ParsingDeclSpec DS(*this); 1322176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ParseStructDeclaration(DS, ObjCIvarCallback); 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1324df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1325ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1326ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 1327ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 1328ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 13298fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch); 1330ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1331ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 13324cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian HelperActionsForIvarDeclarations(interfaceDecl, atLoc, 13334cc0cf1a54541b26b258c45cd7a3c80c9401eaadFariborz Jahanian T, AllIvarDecls, false); 1334ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 13355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1336dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1337dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 1338dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 1339dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 1340dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1341dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 134217d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// \@protocol identifier 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 13441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 134517d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// \@end 1346dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1347dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 134817d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// \@protocol identifier-list ';' 1349dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 135017d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// "\@protocol identifier ;" should be resolved as "\@protocol 13513536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1352dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1353bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas GregorParser::DeclGroupPtrTy 1354bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas GregorParser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 1355bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor ParsedAttributes &attrs) { 1356861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 13577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 13587ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 13591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1360083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 136123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(getCurScope()); 13627d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1363bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 1364083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1365083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1366e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber MaybeSkipAttributes(tok::objc_protocol); 13679f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber 1368df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1369651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; // missing protocol name. 1370bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 13717ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 13727ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 13737ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 13747ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1376651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::semi)) { // forward declaration of one protocol. 13777caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 13781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 13797f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 13807ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 13811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138290ec96f3026480fa41057b05d58f338aed585f62Erik Verbruggen CheckNestedObjCContexts(AtLoc); 138390ec96f3026480fa41057b05d58f338aed585f62Erik Verbruggen 1384df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 13855f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolRefs; 13867caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 13877caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 13887ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 13897ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 13907ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1391df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1392651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; 13937ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1394bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 13957ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 13967caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 13977caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 13987ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 13991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1400df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 14017ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 14027ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 14037ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 1404651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::semi, diag::err_expected_after, "@protocol")) 1405bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1407e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1409bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 14107f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 14117caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 14121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14137ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 141471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 14157caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 14165f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 14175f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 14187caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 141971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 142071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1421bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return DeclGroupPtrTy(); 14221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1423d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ProtoType = 1424e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1425beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1426beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 142718df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 14287f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 1429a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 14302f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_protocol, ProtoType); 1431bd9482d859a74bf2c45ef8b8aedec61c0e1c8374Douglas Gregor return Actions.ConvertDeclToDeclGroup(ProtoType); 1432dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1433dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1434dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1435dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1436dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1437dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1438dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1439dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1440dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1441dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1442dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1443dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1444849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios KyrtzidisParser::DeclGroupPtrTy 1445849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios KyrtzidisParser::ParseObjCAtImplementationDeclaration(SourceLocation AtLoc) { 1446ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1447ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1448d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen CheckNestedObjCContexts(AtLoc); 1449ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 14501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14513b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 14523b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 145323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(getCurScope()); 14547d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1455849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 14563b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 14573b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1458e145bfd06c7eaf0cff0f7d825d1c6244127c26dfNico Weber MaybeSkipAttributes(tok::objc_implementation); 14599f4f5f1ca1e1967daf64d5422717c9b1e75eeb9eNico Weber 1460df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1461651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) 1462651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::identifier; // missing class or category name. 1463849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 1464ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1465ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1466ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1467ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 14686bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Decl *ObjCImpDecl = nullptr; 14691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1471ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1472dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeParen(); 1473ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 14746bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *categoryId = nullptr; 14751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147633ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 147723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(getCurScope(), nameId, nameLoc); 14787d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1479849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 148033ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 148133ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1482df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1483ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1484ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1485ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1486651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) 1487651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::identifier; // missing category name. 1488849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 14891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1490df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1491651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::r_paren; 14928fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_paren); // don't stop at ';' 1493849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 1494ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1495ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1496e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian if (Tok.is(tok::less)) { // we have illegal '<' try to recover 1497e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian Diag(Tok, diag::err_unexpected_protocol_qualifier); 1498e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian AttributeFactory attr; 1499e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian DeclSpec DS(attr); 1500e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian (void)ParseObjCProtocolQualifiers(DS); 1501e4bb74973cfdf0c82aca2088ccfae5e61727c846Fariborz Jahanian } 1502849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ObjCImpDecl = Actions.ActOnStartCategoryImplementation( 1503d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen AtLoc, nameId, nameLoc, categoryId, 15048f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1505a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1506849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } else { 1507849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis // We have a class implementation 1508849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis SourceLocation superClassLoc; 15096bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *superClassId = nullptr; 1510651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::colon)) { 1511849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis // We have a super class 1512849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (Tok.isNot(tok::identifier)) { 1513651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) 1514651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::identifier; // missing super class name. 1515849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 1516849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1517849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis superClassId = Tok.getIdentifierInfo(); 1518849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis superClassLoc = ConsumeToken(); // Consume super class name 1519ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1520849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ObjCImpDecl = Actions.ActOnStartClassImplementation( 1521849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis AtLoc, nameId, nameLoc, 1522849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis superClassId, superClassLoc); 1523849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1524849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (Tok.is(tok::l_brace)) // we have ivars 1525849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ParseObjCClassInstanceVariables(ObjCImpDecl, tok::objc_private, AtLoc); 152651c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian else if (Tok.is(tok::less)) { // we have illegal '<' try to recover 152751c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian Diag(Tok, diag::err_unexpected_protocol_qualifier); 152851c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian // try to recover. 152951c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian AttributeFactory attr; 153051c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian DeclSpec DS(attr); 153151c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian (void)ParseObjCProtocolQualifiers(DS); 153251c30afe7e2eb9273dd706229f42d87524fb8660Fariborz Jahanian } 1533ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1534849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis assert(ObjCImpDecl); 15351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1536849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis SmallVector<Decl *, 8> DeclsInGroup; 1537a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1538849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis { 1539849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ObjCImplParsingDataRAII ObjCImplParsing(*this, ObjCImpDecl); 1540651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines while (!ObjCImplParsing.isFinished() && !isEofOrEom()) { 1541849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ParsedAttributesWithRange attrs(AttrFactory); 15424e24f0f711e2c9fde79f19fa1c80deaab3f3b356Richard Smith MaybeParseCXX11Attributes(attrs); 1543849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis MaybeParseMicrosoftAttributes(attrs); 1544849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (DeclGroupPtrTy DGP = ParseExternalDeclaration(attrs)) { 1545849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis DeclGroupRef DG = DGP.get(); 1546849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis DeclsInGroup.append(DG.begin(), DG.end()); 1547849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1548849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1549849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1550849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1551644af7b50bd0541468b45c197f5b637e934d48a0Argyrios Kyrtzidis return Actions.ActOnFinishObjCImplementation(ObjCImpDecl, DeclsInGroup); 15525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 155360fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1554140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::DeclGroupPtrTy 1555140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::ParseObjCAtEndDeclaration(SourceRange atEnd) { 1556ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1557ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1558ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1559849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) 1560849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis CurParsedObjCImpl->finish(atEnd); 15618697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian else 1562782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek // missing @implementation 1563d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen Diag(atEnd.getBegin(), diag::err_expected_objc_container); 1564849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis return DeclGroupPtrTy(); 15655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1566e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1567849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios KyrtzidisParser::ObjCImplParsingDataRAII::~ObjCImplParsingDataRAII() { 1568849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (!Finished) { 1569849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis finish(P.Tok.getLocation()); 1570651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (P.isEofOrEom()) { 1571849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Diag(P.Tok, diag::err_objc_missing_end) 1572849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis << FixItHint::CreateInsertion(P.Tok.getLocation(), "\n@end\n"); 1573849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Diag(Dcl->getLocStart(), diag::note_objc_container_start) 1574849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis << Sema::OCK_Implementation; 1575849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1576849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 15776bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines P.CurParsedObjCImpl = nullptr; 1578849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis assert(LateParsedObjCMethods.empty()); 1579849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis} 1580d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 1581849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidisvoid Parser::ObjCImplParsingDataRAII::finish(SourceRange AtEnd) { 1582849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis assert(!Finished); 1583849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Actions.DefaultSynthesizeProperties(P.getCurScope(), Dcl); 1584849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis for (size_t i = 0; i < LateParsedObjCMethods.size(); ++i) 15856c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian P.ParseLexedObjCMethodDefs(*LateParsedObjCMethods[i], 15866c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian true/*Methods*/); 1587d64251fd56577dd5c78903454632361e094c6dc1Erik Verbruggen 1588849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis P.Actions.ActOnAtEnd(P.getCurScope(), AtEnd); 158963e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 15906c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian if (HasCFunction) 15916c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian for (size_t i = 0; i < LateParsedObjCMethods.size(); ++i) 15926c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian P.ParseLexedObjCMethodDefs(*LateParsedObjCMethods[i], 15936c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian false/*c-functions*/); 15946c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian 1595849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis /// \brief Clear and free the cached objc methods. 15962fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis for (LateParsedObjCMethodContainer::iterator 15972fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis I = LateParsedObjCMethods.begin(), 15982fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis E = LateParsedObjCMethods.end(); I != E; ++I) 15992fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis delete *I; 16002fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis LateParsedObjCMethods.clear(); 1601849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1602849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Finished = true; 16032fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis} 16042fea2242fe7e7c37df1e96316616febeaf4e29ebArgyrios Kyrtzidis 1605e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1606e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1607e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1608d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1609e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1610e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1611e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1612df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1613651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; 16146bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1615e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1616243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1617243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1618df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1619651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; 16206bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1621e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1622243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1623243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1624651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExpectAndConsume(tok::semi, diag::err_expected_after, "@compatibility_alias"); 1625de01b7a6b4df27555ff7b25e51c0d3df29e3a0cfRichard Smith return Actions.ActOnCompatibilityAlias(atLoc, aliasId, aliasLoc, 1626de01b7a6b4df27555ff7b25e51c0d3df29e3a0cfRichard Smith classId, classLoc); 16275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1629ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1630ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1631ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1632ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1633ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1634ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1635ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1636ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1637ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1638ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1639ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1640d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1641ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1642df1fdfd093e4e8d07813b5d86c22bb50a82e6714Fariborz Jahanian "ParseObjCPropertySynthesize(): Expected '@synthesize'"); 1643dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume synthesize 16441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1645b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1646322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1647a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 16487d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 16496bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1650322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1651322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1652b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1653b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1654b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 16556bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1656b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 16576bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 16586bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines IdentifierInfo *propertyIvar = nullptr; 1659f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1660f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1661a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor SourceLocation propertyIvarLoc; 1662651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::equal)) { 1663ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1664322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1665a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySynthesizeIvar(getCurScope(), propertyId); 16667d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 16676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1668322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1669322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1670df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1671651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; 1672ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1673ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1674f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1675a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyIvarLoc = ConsumeToken(); // consume ivar-name 1676ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1677a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, true, 1678a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, propertyIvar, propertyIvarLoc); 1679df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1680ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1681ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1682ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1683651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExpectAndConsume(tok::semi, diag::err_expected_after, "@synthesize"); 16846bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1685ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1686ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1687ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1688ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1689ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1690ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1691ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1692ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1693ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1694d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1695ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1696ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1697dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume dynamic 1698424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1699424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 1700a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 17017d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 17026bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1703424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1704424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1705424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1706651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; 1707424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 17086bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1709424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1710424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1711c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1712c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1713a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, false, 17146bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines propertyId, nullptr, SourceLocation()); 1715c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1716df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1717ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1718ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1719ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1720651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExpectAndConsume(tok::semi, diag::err_expected_after, "@dynamic"); 17216bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1722ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 17231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1724397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1725397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1726397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 172760d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 172860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res; 1729397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1730df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 173139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 17320e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1733397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 173443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1735397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1736397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 173702418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek // consume ';' 1738651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ExpectAndConsume(tok::semi, diag::err_expected_after, "@throw"); 1739c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return Actions.ActOnObjCAtThrowStmt(atLoc, Res.get(), getCurScope()); 1740397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1741397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1742c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 174378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1744c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 174560d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult 174643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1747fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1748fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 17491ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 175043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1751fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 175207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 175307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // The operand is surrounded with parentheses. 1754fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 175507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ExprResult operand(ParseExpression()); 175607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 175707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (Tok.is(tok::r_paren)) { 175807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ConsumeParen(); // ')' 175907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall } else { 176007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 1761651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::r_paren; 176207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 176307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Skip forward until we see a left brace, but don't consume it. 17648fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch); 1765fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 176607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 176707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Require a compound statement. 176878a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 176907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 1770651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::l_brace; 177143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 177278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 17733ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 177407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Check the @synchronized operand now. 177507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 1776c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines operand = Actions.ActOnObjCAtSynchronizedOperand(atLoc, operand.get()); 177707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 177807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Parse the compound statement within a new scope. 177907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ParseScope bodyScope(this, Scope::DeclScope); 178007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall StmtResult body(ParseCompoundStatementBody()); 178107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall bodyScope.Exit(); 178207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 178307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // If there was a semantic or parse error earlier with the 178407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // operand, fail now. 178507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (operand.isInvalid()) 178607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return StmtError(); 178707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 178807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (body.isInvalid()) 178907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall body = Actions.ActOnNullStmt(Tok.getLocation()); 17900e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 179107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return Actions.ActOnObjCAtSynchronizedStmt(atLoc, operand.get(), body.get()); 1792c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1793c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1794397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1795397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1796397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1797397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1798397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1799397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1800397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1801397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1802397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1803397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1804397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 180560d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1806397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 180743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1808397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1809df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1810651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::l_brace; 181143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1812397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 18134e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer StmtVector CatchStmts; 181460d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyStmt; 18158935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 181660d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult TryBody(ParseCompoundStatementBody()); 18178935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 18180e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1819bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1820a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1821df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 18226b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 18236b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 18246b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 18256b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 18266b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 18276b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 18286b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 18290e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1830161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1831cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 18326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Decl *FirstPart = nullptr; 18333b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1834df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1835397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1836e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1837df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 18380b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1839397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 184017b6399f8461c5b7e1c6f367b0a0dde49f921240Argyrios Kyrtzidis Declarator ParmDecl(DS, Declarator::ObjCCatchContext); 18417ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 18427ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 18434e6c0d19b7c072758922cf80525a81aeefc6e64bDouglas Gregor // Inform the actions module about the declarator, so it 18447ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 184523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor FirstPart = Actions.ActOnObjCExceptionDecl(getCurScope(), ParmDecl); 184664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1847397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 18481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 184993a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 18501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 185193a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 185293a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 185393a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 18548fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_paren, StopAtSemi); 185593a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 185660d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult CatchBody(true); 1857c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1858c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1859c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1860651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::l_brace; 18610e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 18623b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 18638f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 186460d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Catch = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 18658f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor RParenLoc, 18668f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor FirstPart, 1867c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines CatchBody.get()); 18688f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (!Catch.isInvalid()) 1869c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines CatchStmts.push_back(Catch.get()); 18708f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 187164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 18721ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 18731ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 187443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1875397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1876397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 18776b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 18786b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 187964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 18808935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 18810e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 188260d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyBody(true); 1883c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1884c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1885c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1886651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::l_brace; 18870e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1888161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 18890e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 1890c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines FinallyBody.get()); 1891397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1892397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1893397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1894397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1895bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1896397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 189743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1898bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 18998f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 1900c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.get(), 19013fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer CatchStmts, 1902c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines FinallyStmt.get()); 1903397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1904ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1905f85e193739c953358c865005855253af4f68a497John McCall/// objc-autoreleasepool-statement: 1906f85e193739c953358c865005855253af4f68a497John McCall/// @autoreleasepool compound-statement 1907f85e193739c953358c865005855253af4f68a497John McCall/// 1908f85e193739c953358c865005855253af4f68a497John McCallStmtResult 1909f85e193739c953358c865005855253af4f68a497John McCallParser::ParseObjCAutoreleasePoolStmt(SourceLocation atLoc) { 1910f85e193739c953358c865005855253af4f68a497John McCall ConsumeToken(); // consume autoreleasepool 1911f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isNot(tok::l_brace)) { 1912651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::l_brace; 1913f85e193739c953358c865005855253af4f68a497John McCall return StmtError(); 1914f85e193739c953358c865005855253af4f68a497John McCall } 1915f85e193739c953358c865005855253af4f68a497John McCall // Enter a scope to hold everything within the compound stmt. Compound 1916f85e193739c953358c865005855253af4f68a497John McCall // statements can always hold declarations. 1917f85e193739c953358c865005855253af4f68a497John McCall ParseScope BodyScope(this, Scope::DeclScope); 1918f85e193739c953358c865005855253af4f68a497John McCall 1919f85e193739c953358c865005855253af4f68a497John McCall StmtResult AutoreleasePoolBody(ParseCompoundStatementBody()); 1920f85e193739c953358c865005855253af4f68a497John McCall 1921f85e193739c953358c865005855253af4f68a497John McCall BodyScope.Exit(); 1922f85e193739c953358c865005855253af4f68a497John McCall if (AutoreleasePoolBody.isInvalid()) 1923f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody = Actions.ActOnNullStmt(Tok.getLocation()); 1924f85e193739c953358c865005855253af4f68a497John McCall return Actions.ActOnObjCAutoreleasePoolStmt(atLoc, 1925c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines AutoreleasePoolBody.get()); 1926f85e193739c953358c865005855253af4f68a497John McCall} 1927f85e193739c953358c865005855253af4f68a497John McCall 19286c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian/// StashAwayMethodOrFunctionBodyTokens - Consume the tokens and store them 19296c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian/// for later parsing. 19306c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanianvoid Parser::StashAwayMethodOrFunctionBodyTokens(Decl *MDecl) { 19316c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian LexedMethod* LM = new LexedMethod(this, MDecl); 19326c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian CurParsedObjCImpl->LateParsedObjCMethods.push_back(LM); 19336c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian CachedTokens &Toks = LM->Toks; 19349e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian // Begin by storing the '{' or 'try' or ':' token. 19356c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian Toks.push_back(Tok); 19362eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian if (Tok.is(tok::kw_try)) { 19372eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian ConsumeToken(); 1938dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian if (Tok.is(tok::colon)) { 1939dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian Toks.push_back(Tok); 1940dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian ConsumeToken(); 1941dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian while (Tok.isNot(tok::l_brace)) { 1942dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian ConsumeAndStoreUntil(tok::l_paren, Toks, /*StopAtSemi=*/false); 1943dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian ConsumeAndStoreUntil(tok::r_paren, Toks, /*StopAtSemi=*/false); 1944dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian } 1945dbd6945b7f4397f44fe6a1f1acf62ab6671e84f5Fariborz Jahanian } 19469e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian Toks.push_back(Tok); // also store '{' 19479e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian } 19489e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian else if (Tok.is(tok::colon)) { 19499e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian ConsumeToken(); 19509e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian while (Tok.isNot(tok::l_brace)) { 19519e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian ConsumeAndStoreUntil(tok::l_paren, Toks, /*StopAtSemi=*/false); 19529e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian ConsumeAndStoreUntil(tok::r_paren, Toks, /*StopAtSemi=*/false); 19539e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian } 19542eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian Toks.push_back(Tok); // also store '{' 19552eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian } 19566c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian ConsumeBrace(); 19576c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian // Consume everything up to (and including) the matching right brace. 19586c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian ConsumeAndStoreUntil(tok::r_brace, Toks, /*StopAtSemi=*/false); 19592eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian while (Tok.is(tok::kw_catch)) { 19602eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian ConsumeAndStoreUntil(tok::l_brace, Toks, /*StopAtSemi=*/false); 19612eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian ConsumeAndStoreUntil(tok::r_brace, Toks, /*StopAtSemi=*/false); 19622eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian } 19636c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian} 19646c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian 19653536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1966ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1967d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDefinition() { 1968a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodPrototype(); 19691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1970f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, MDecl, Tok.getLocation(), 1971f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing Objective-C method"); 19721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1973ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1974209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1975849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (CurParsedObjCImpl) { 1976496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 1977849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1978496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 1979ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1980209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1981ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1982409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1983df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1984da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 19851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1986409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 19878fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch); 19881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1989409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1990409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 19916bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1992ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1993849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 1994849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis if (!MDecl) { 1995849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis ConsumeBrace(); 19968fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace); 19976bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1998849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis } 1999849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis 2000140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Allow the rest of sema to find private method decl implementations. 2001849639d8b548519cc5a00c0c9253f0c0d525060dArgyrios Kyrtzidis Actions.AddAnyMethodToGlobalPool(MDecl); 2002c9b970996b8af41754a99a9cec15a9d401962ba1Fariborz Jahanian assert (CurParsedObjCImpl 2003c9b970996b8af41754a99a9cec15a9d401962ba1Fariborz Jahanian && "ParseObjCMethodDefinition - Method out of @implementation"); 2004c9b970996b8af41754a99a9cec15a9d401962ba1Fariborz Jahanian // Consume the tokens and store them for later parsing. 2005c9b970996b8af41754a99a9cec15a9d401962ba1Fariborz Jahanian StashAwayMethodOrFunctionBodyTokens(MDecl); 200671c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 20075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20085508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 200960d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 20109a0c85e640a08174569a303db22981612f05d385Douglas Gregor if (Tok.is(tok::code_completion)) { 201123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtStatement(getCurScope()); 20127d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 20139a0c85e640a08174569a303db22981612f05d385Douglas Gregor return StmtError(); 20145d8031687d086701b4dadaab3e0de1def448da9dChris Lattner } 20155d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 20165d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_try)) 20176b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 20185d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 20195d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_throw)) 202064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 20215d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 20225d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 202364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 2024f85e193739c953358c865005855253af4f68a497John McCall 2025f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isObjCAtKeyword(tok::objc_autoreleasepool)) 2026f85e193739c953358c865005855253af4f68a497John McCall return ParseObjCAutoreleasePoolStmt(AtLoc); 20270e2c34f92f00628d48968dfea096d36381f494cbStephen Hines 20280e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (Tok.isObjCAtKeyword(tok::objc_import) && 20290e2c34f92f00628d48968dfea096d36381f494cbStephen Hines getLangOpts().DebuggerSupport) { 20300e2c34f92f00628d48968dfea096d36381f494cbStephen Hines SkipUntil(tok::semi); 20310e2c34f92f00628d48968dfea096d36381f494cbStephen Hines return Actions.ActOnNullStmt(Tok.getLocation()); 20320e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 20330e2c34f92f00628d48968dfea096d36381f494cbStephen Hines 203460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 20350e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 203664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 203764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 203864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 203964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 204043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 204164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 20425d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 204364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 20449ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); 2045419563768ef4929a622d7c2b066856e82901bb91Richard Smith return Actions.ActOnExprStmt(Res); 204664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 204764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 204860d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 20495508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 20509a0c85e640a08174569a303db22981612f05d385Douglas Gregor case tok::code_completion: 205123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtExpression(getCurScope()); 20527d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 20539a0c85e640a08174569a303db22981612f05d385Douglas Gregor return ExprError(); 20549a0c85e640a08174569a303db22981612f05d385Douglas Gregor 2055ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::minus: 2056ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::plus: { 2057ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek tok::TokenKind Kind = Tok.getKind(); 2058ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation OpLoc = ConsumeToken(); 2059ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2060ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (!Tok.is(tok::numeric_constant)) { 20616bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const char *Symbol = nullptr; 2062ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek switch (Kind) { 2063ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::minus: Symbol = "-"; break; 2064ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::plus: Symbol = "+"; break; 2065ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek default: llvm_unreachable("missing unary operator case"); 2066ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2067ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Diag(Tok, diag::err_nsnumber_nonliteral_unary) 2068ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek << Symbol; 2069ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ExprError(); 2070ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2071ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2072ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult Lit(Actions.ActOnNumericConstant(Tok)); 2073ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Lit.isInvalid()) { 20743fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 2075ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 20768b8d9534f185743fb72c59d4e735794e6e0f4335Benjamin Kramer ConsumeToken(); // Consume the literal token. 2077ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2078c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines Lit = Actions.ActOnUnaryOp(getCurScope(), OpLoc, Kind, Lit.get()); 2079ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Lit.isInvalid()) 20803fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 2081ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2082ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix( 2083c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines Actions.BuildObjCNumericLiteral(AtLoc, Lit.get())); 2084ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2085ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2086b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 2087b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 20881d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 2089ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2090ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::char_constant: 2091ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCCharacterLiteral(AtLoc)); 2092ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2093ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::numeric_constant: 2094ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCNumericLiteral(AtLoc)); 2095ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2096ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::kw_true: // Objective-C++, etc. 2097ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::kw___objc_yes: // c/c++/objc/objc++ __objc_yes 2098ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCBooleanLiteral(AtLoc, true)); 2099ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::kw_false: // Objective-C++, etc. 2100ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::kw___objc_no: // c/c++/objc/objc++ __objc_no 2101ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCBooleanLiteral(AtLoc, false)); 2102ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2103ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::l_square: 2104ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Objective-C array literal 2105ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCArrayLiteral(AtLoc)); 2106ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2107ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case tok::l_brace: 2108ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Objective-C dictionary literal 2109ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return ParsePostfixExpressionSuffix(ParseObjCDictionaryLiteral(AtLoc)); 2110ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2111eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard case tok::l_paren: 2112eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard // Objective-C boxed expression 2113eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard return ParsePostfixExpressionSuffix(ParseObjCBoxedExpr(AtLoc)); 2114eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard 2115b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 21166bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (Tok.getIdentifierInfo() == nullptr) 21171d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 21182f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 21194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 21204fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 21211d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 21224fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 21231d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 21244fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 21251d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 21266749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian default: { 21276bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const char *str = nullptr; 21286749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian if (GetLookAheadToken(1).is(tok::l_brace)) { 21296749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian char ch = Tok.getIdentifierInfo()->getNameStart()[0]; 21306749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian str = 21316749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian ch == 't' ? "try" 21326749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian : (ch == 'f' ? "finally" 21336bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : (ch == 'a' ? "autoreleasepool" : nullptr)); 21346749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian } 21356749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian if (str) { 21366749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian SourceLocation kwLoc = Tok.getLocation(); 21376749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian return ExprError(Diag(AtLoc, diag::err_unexpected_at) << 21386749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian FixItHint::CreateReplacement(kwLoc, str)); 21396749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian } 21406749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian else 21416749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 21426749ae1dbcc9e45ade21b05c6542a6354903ad77Fariborz Jahanian } 21434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 21445508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 21455508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 21465508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 2147e23fb90712233bdfa04387e48b54a7168e23cb3eDmitri Gribenko/// \brief Parse the receiver of an Objective-C++ message send. 21486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 21496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// This routine parses the receiver of a message send in 21506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// Objective-C++ either as a type or as an expression. Note that this 21516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// routine must not be called to parse a send to 'super', since it 21526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// has no way to return such a result. 21536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 21546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param IsExpr Whether the receiver was parsed as an expression. 21556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 21566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param TypeOrExpr If the receiver was parsed as an expression (\c 21576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// IsExpr is true), the parsed expression. If the receiver was parsed 21586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// as a type (\c IsExpr is false), the parsed type. 21596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 21606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \returns True if an error occurred during parsing or semantic 21616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// analysis, in which case the arguments do not have valid 21626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// values. Otherwise, returns false for a successful parse. 21636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 21646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// objc-receiver: [C++] 21656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 'super' [not parsed here] 21666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// expression 21676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier 21686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// typename-specifier 21696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr) { 21700fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 21710fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 21726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 21736aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope)) 21746aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TryAnnotateTypeOrScopeToken(); 21756aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21767bf33401acf506b0039222834d7259acb80f6311Kaelyn Uhrain if (!Actions.isSimpleTypeSpecifier(Tok.getKind())) { 21776aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 21786aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression 2179176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Make sure any typos in the receiver are corrected or diagnosed, so that 2180176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // proper recovery can happen. FIXME: Perhaps filter the corrected expr to 2181176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // only the things that are valid ObjC receivers? 2182176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines ExprResult Receiver = Actions.CorrectDelayedTyposInExpr(ParseExpression()); 21836aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 21846aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 21856aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21866aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 2187c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines TypeOrExpr = Receiver.get(); 21886aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 21896aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 21906aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21916aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 21926aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier 21936aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier 21946aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression (that starts with one of the above) 21950b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 21966aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor ParseCXXSimpleTypeSpecifier(DS); 21976aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 21986aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::l_paren)) { 21996aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // If we see an opening parentheses at this point, we are 22006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // actually parsing an expression that starts with a 22016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // function-style cast, e.g., 22026aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 22036aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression: 22046aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier ( expression-list [opt] ) 22056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier ( expression-list [opt] ) 22066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 22076aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the remainder of this case, then the (optional) 22086aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression suffix, followed by the (optional) 22096aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // right-hand side of the binary expression. We have an 22106aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // instance method. 221160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseCXXTypeConstructExpression(DS); 22126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 2213c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines Receiver = ParsePostfixExpressionSuffix(Receiver.get()); 22146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 2215c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines Receiver = ParseRHSOfBinaryExpression(Receiver.get(), prec::Comma); 22166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 22176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 22186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 2220c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines TypeOrExpr = Receiver.get(); 22216aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 22226aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 22236aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We have a class message. Turn the simple-type-specifier or 22256aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier we parsed into a type and parse the 22266aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // remainder of the class message. 22276aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 222823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult Type = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 22296aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Type.isInvalid()) 22306aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 22316aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = false; 2233b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TypeOrExpr = Type.get().getAsOpaquePtr(); 22346aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 22356aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 22366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 22371b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// \brief Determine whether the parser is currently referring to a an 22381b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// Objective-C message send, using a simplified heuristic to avoid overhead. 22391b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// 22401b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// This routine will only return true for a subset of valid message-send 22411b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// expressions. 22421b730e847ded503f2e615154035c083c4f94a067Douglas Gregorbool Parser::isSimpleObjCMessageExpression() { 22434e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie assert(Tok.is(tok::l_square) && getLangOpts().ObjC1 && 22441b730e847ded503f2e615154035c083c4f94a067Douglas Gregor "Incorrect start for isSimpleObjCMessageExpression"); 22451b730e847ded503f2e615154035c083c4f94a067Douglas Gregor return GetLookAheadToken(1).is(tok::identifier) && 22461b730e847ded503f2e615154035c083c4f94a067Douglas Gregor GetLookAheadToken(2).is(tok::identifier); 22471b730e847ded503f2e615154035c083c4f94a067Douglas Gregor} 22481b730e847ded503f2e615154035c083c4f94a067Douglas Gregor 22499497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregorbool Parser::isStartOfObjCClassMessageMissingOpenBracket() { 22504e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().ObjC1 || !NextToken().is(tok::identifier) || 22519497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor InMessageExpression) 22529497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 22539497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22549497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22559497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor ParsedType Type; 22569497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22579497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::annot_typename)) 22589497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = getTypeAnnotation(Tok); 22599497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else if (Tok.is(tok::identifier)) 22609497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = Actions.getTypeName(*Tok.getIdentifierInfo(), Tok.getLocation(), 22619497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor getCurScope()); 22629497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else 22639497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 22649497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22659497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!Type.get().isNull() && Type.get()->isObjCObjectOrInterfaceType()) { 22669497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor const Token &AfterNext = GetLookAheadToken(2); 22679497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (AfterNext.is(tok::colon) || AfterNext.is(tok::r_square)) { 22689497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::identifier)) 22699497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor TryAnnotateTypeOrScopeToken(); 22709497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22719497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return Tok.is(tok::annot_typename); 22729497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 22739497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 22749497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22759497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 22769497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor} 22779497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 22781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 22790ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 22800ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 22812725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// objc-receiver: [C] 2282eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner/// 'super' 22830ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 22840ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 22850ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 22866aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 228760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCMessageExpression() { 2288699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 2289699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 2290699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 22918e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor if (Tok.is(tok::code_completion)) { 229223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMessageReceiver(getCurScope()); 22937d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 22948e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor return ExprError(); 22958e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor } 22968e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor 22970fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 22980fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 22994e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) { 23006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We completely separate the C and C++ cases because C++ requires 23016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // more complicated (read: slower) parsing. 23026aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 23036aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Handle send to super. 23046aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: This doesn't benefit from the same typo-correction we 23056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // get in Objective-C. 23066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) && Tok.getIdentifierInfo() == Ident_super && 230723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor NextToken().isNot(tok::period) && getCurScope()->isInObjcMethodScope()) 2308b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 23096bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ParsedType(), nullptr); 23106aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 23116aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the receiver, which is either a type or an expression. 23126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool IsExpr; 23136bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines void *TypeOrExpr = nullptr; 23146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) { 23158fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi); 23166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ExprError(); 23176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 23186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 23196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (IsExpr) 2320b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2321b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 23229ae2f076ca5ab1feb3ba95629099ec2319833701John McCall static_cast<Expr*>(TypeOrExpr)); 23236aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 23246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2325b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType::getFromOpaquePtr(TypeOrExpr), 23266bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines nullptr); 2327c59cb38810c63a806270385f79ea84e0203754eaChris Lattner } 2328c59cb38810c63a806270385f79ea84e0203754eaChris Lattner 2329c59cb38810c63a806270385f79ea84e0203754eaChris Lattner if (Tok.is(tok::identifier)) { 23301dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 23311dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor SourceLocation NameLoc = Tok.getLocation(); 2332b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType; 233323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor switch (Actions.getObjCMessageKind(getCurScope(), Name, NameLoc, 23341dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor Name == Ident_super, 23351569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor NextToken().is(tok::period), 23361569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ReceiverType)) { 2337f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCSuperMessage: 2338b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 23396bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ParsedType(), nullptr); 23402725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 2341f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCClassMessage: 23421569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor if (!ReceiverType) { 23438fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi); 23442725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor return ExprError(); 23452725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor } 23462725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 23471569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ConsumeToken(); // the type name 23481569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor 23491569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 23506bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ReceiverType, nullptr); 23516bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 2352f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCInstanceMessage: 23532725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor // Fall through to parse an expression. 23541dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor break; 2355d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 2356699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 2357eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner 2358eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner // Otherwise, an arbitrary expression can be the receiver of a send. 23590e2c34f92f00628d48968dfea096d36381f494cbStephen Hines ExprResult Res = Actions.CorrectDelayedTyposInExpr(ParseExpression()); 23600e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 23618fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi); 23623fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Res; 2363699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 23641d922960e083906a586609ac6978678147250177Sebastian Redl 2365b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2366c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines ParsedType(), Res.get()); 2367699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 23681d922960e083906a586609ac6978678147250177Sebastian Redl 23692725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \brief Parse the remainder of an Objective-C message following the 23702725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// '[' objc-receiver. 23712725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 23722725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// This routine handles sends to super, class messages (sent to a 23732725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class name), and instance messages (sent to an object), and the 23742725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// target is represented by \p SuperLoc, \p ReceiverType, or \p 23752725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// ReceiverExpr, respectively. Only one of these parameters may have 23762725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// a valid value. 23772725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 23782725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param LBracLoc The location of the opening '['. 23792725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 23802725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param SuperLoc If this is a send to 'super', the location of the 23812725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 'super' keyword that indicates a send to the superclass. 23822725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 23832725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverType If this is a class message, the type of the 23842725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class we are sending a message to. 23852725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 23862725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverExpr If this is an instance message, the expression 23872725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// used to compute the receiver object. 23881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 23890ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 23900ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 23910ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 23920ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 23930ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 23940ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 23950ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 23960ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 23971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 23980ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 23990ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 24000ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 24010ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 24020ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 24030ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 24040ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 24050ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 24061d922960e083906a586609ac6978678147250177Sebastian Redl/// 240760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2408699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 24092725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation SuperLoc, 2410b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, 2411176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Expr *ReceiverExpr) { 24120fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 24130fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 2414c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 24152725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 2416050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, None, 241770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 24182725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 2419050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, None, 242070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 2421c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 24229ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2423050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko None, false); 24247d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 24257d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return ExprError(); 2426c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 2427d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 2428a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 24294b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 24302fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 243148f3cc2b2be1d32df14234904539b34e6e387e4aFariborz Jahanian 24325f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2433951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis SmallVector<SourceLocation, 12> KeyLocs; 24344e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer ExprVector KeyExprs; 243568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2436df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 2437a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 2438a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 243968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 2440951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis KeyLocs.push_back(Loc); 244137387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 2442651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::colon)) { 24434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 24444fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 24454fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 24468fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi); 24471d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2448a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 24491d922960e083906a586609ac6978678147250177Sebastian Redl 24501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 245170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 245270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (Tok.is(tok::code_completion)) { 245370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (SuperLoc.isValid()) 245470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 2455050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 245670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 245770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else if (ReceiverType) 245870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2459050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 246070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 246170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else 246270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2463050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 246470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 246570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 24667d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 246770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 246870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor } 246970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 24700c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian ExprResult Expr; 24710c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { 24720c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); 24730c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian Expr = ParseBraceInitializer(); 24740c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian } else 24750c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian Expr = ParseAssignmentExpression(); 24760c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian 24770c7102f070c10a261ea40700cfbb9102f642ad72Fariborz Jahanian ExprResult Res(Expr); 24780e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 24794fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 24804fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 24814fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 24828fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi); 24833fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Res; 248437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 24851d922960e083906a586609ac6978678147250177Sebastian Redl 248637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 2487c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines KeyExprs.push_back(Res.get()); 24881d922960e083906a586609ac6978678147250177Sebastian Redl 2489d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor // Code completion after each argument. 2490d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (Tok.is(tok::code_completion)) { 24912725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 249223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 2493050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 249470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 24952725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 249623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2497050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 249870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2499d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor else 25009ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2501050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko KeyIdents, 250270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 25037d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 250470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 2505d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor } 2506d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 250737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 25082fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 2509df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 2510a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 2511a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 2512a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2513a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 2514df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 251518df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian SourceLocation commaLoc = ConsumeToken(); // Eat the ','. 25161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 251760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 25180e2c34f92f00628d48968dfea096d36381f494cbStephen Hines if (Tok.is(tok::colon)) 25190e2c34f92f00628d48968dfea096d36381f494cbStephen Hines Res = Actions.CorrectDelayedTyposInExpr(Res); 25200e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 252118df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian if (Tok.is(tok::colon)) { 252218df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian Diag(commaLoc, diag::note_extra_comma_message_arg) << 252318df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian FixItHint::CreateRemoval(commaLoc); 252418df0eba838c7609d10edcb845ca6f35698e822cFariborz Jahanian } 25254fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 25264fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 25274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 25288fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi); 25293fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Res; 253049f109c786f99eb7468dac3976db083a65493444Steve Naroff } 25310e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 253249f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 2533c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines KeyExprs.push_back(Res.get()); 2534a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2535a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 2536651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) << tok::identifier; // missing selector name. 25371d922960e083906a586609ac6978678147250177Sebastian Redl 25384fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 25394fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 25404fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 25418fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi); 25421d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2543a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2544809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian 2545df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 2546651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines Diag(Tok, diag::err_expected) 2547651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << (Tok.is(tok::identifier) ? tok::colon : tok::r_square); 25484fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 25494fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 25504fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 25518fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi); 25521d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2553a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 255448f3cc2b2be1d32df14234904539b34e6e387e4aFariborz Jahanian 2555699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 25561d922960e083906a586609ac6978678147250177Sebastian Redl 255729238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 2558951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis if (nKeys == 0) { 2559ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 2560951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis KeyLocs.push_back(Loc); 2561951376242c076c3f62dd78bf672909fc011991dbArgyrios Kyrtzidis } 2562ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 25631d922960e083906a586609ac6978678147250177Sebastian Redl 25642725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 256523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnSuperMessage(getCurScope(), SuperLoc, Sel, 25664e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer LBracLoc, KeyLocs, RBracLoc, KeyExprs); 25672725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 256823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnClassMessage(getCurScope(), ReceiverType, Sel, 25694e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer LBracLoc, KeyLocs, RBracLoc, KeyExprs); 25709ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnInstanceMessage(getCurScope(), ReceiverExpr, Sel, 25714e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer LBracLoc, KeyLocs, RBracLoc, KeyExprs); 25720ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 25730ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 257460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 257560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseStringLiteralExpression()); 25763fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer if (Res.isInvalid()) return Res; 25771d922960e083906a586609ac6978678147250177Sebastian Redl 2578b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 2579b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 2580b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 25815f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 4> AtLocs; 25824e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer ExprVector AtStrings; 2583b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 2584c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines AtStrings.push_back(Res.get()); 25850e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2586b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 2587b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 2588b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 258915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 259097cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 259197cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 2592b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 259360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Lit(ParseStringLiteralExpression()); 25940e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 25953fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 25960e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2597c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines AtStrings.push_back(Lit.get()); 2598b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 25991d922960e083906a586609ac6978678147250177Sebastian Redl 2600d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.data(), 2601d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber AtStrings.size()); 26025508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 2603f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 2604ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ParseObjCBooleanLiteral - 2605ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// objc-scalar-literal : '@' boolean-keyword 2606ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2607ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// boolean-keyword: 'true' | 'false' | '__objc_yes' | '__objc_no' 2608ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2609ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCBooleanLiteral(SourceLocation AtLoc, 2610ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek bool ArgValue) { 2611ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation EndLoc = ConsumeToken(); // consume the keyword. 2612ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return Actions.ActOnObjCBoolLiteral(AtLoc, EndLoc, ArgValue); 2613ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2614ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2615ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ParseObjCCharacterLiteral - 2616ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// objc-scalar-literal : '@' character-literal 2617ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2618ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCCharacterLiteral(SourceLocation AtLoc) { 2619ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult Lit(Actions.ActOnCharacterConstant(Tok)); 2620ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Lit.isInvalid()) { 26213fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 2622ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 26238b8d9534f185743fb72c59d4e735794e6e0f4335Benjamin Kramer ConsumeToken(); // Consume the literal token. 2624c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return Actions.BuildObjCNumericLiteral(AtLoc, Lit.get()); 2625ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2626ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2627ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ParseObjCNumericLiteral - 2628ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// objc-scalar-literal : '@' scalar-literal 2629ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2630ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// scalar-literal : | numeric-constant /* any numeric constant. */ 2631ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek/// ; 2632ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCNumericLiteral(SourceLocation AtLoc) { 2633ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult Lit(Actions.ActOnNumericConstant(Tok)); 2634ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Lit.isInvalid()) { 26353fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Lit; 2636ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 26378b8d9534f185743fb72c59d4e735794e6e0f4335Benjamin Kramer ConsumeToken(); // Consume the literal token. 2638c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return Actions.BuildObjCNumericLiteral(AtLoc, Lit.get()); 2639ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2640ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2641eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard/// ParseObjCBoxedExpr - 2642eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard/// objc-box-expression: 2643eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard/// @( assignment-expression ) 2644eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick BeardExprResult 2645eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick BeardParser::ParseObjCBoxedExpr(SourceLocation AtLoc) { 2646eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard if (Tok.isNot(tok::l_paren)) 2647eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@"); 2648eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard 2649eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard BalancedDelimiterTracker T(*this, tok::l_paren); 2650eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard T.consumeOpen(); 2651eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard ExprResult ValueExpr(ParseAssignmentExpression()); 2652eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard if (T.consumeClose()) 2653eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard return ExprError(); 2654edd27602f9cede4fee2c81c785b8f295c9d28752Argyrios Kyrtzidis 2655edd27602f9cede4fee2c81c785b8f295c9d28752Argyrios Kyrtzidis if (ValueExpr.isInvalid()) 2656edd27602f9cede4fee2c81c785b8f295c9d28752Argyrios Kyrtzidis return ExprError(); 2657edd27602f9cede4fee2c81c785b8f295c9d28752Argyrios Kyrtzidis 2658eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard // Wrap the sub-expression in a parenthesized expression, to distinguish 2659eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard // a boxed expression from a literal. 2660eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard SourceLocation LPLoc = T.getOpenLocation(), RPLoc = T.getCloseLocation(); 2661c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines ValueExpr = Actions.ActOnParenExpr(LPLoc, RPLoc, ValueExpr.get()); 2662d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.BuildObjCBoxedExpr(SourceRange(AtLoc, RPLoc), 2663c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines ValueExpr.get()); 2664eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard} 2665eb382ec1507cf2c8c12d7443d0b67c076223aec6Patrick Beard 2666ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCArrayLiteral(SourceLocation AtLoc) { 26674e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer ExprVector ElementExprs; // array elements. 2668ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ConsumeBracket(); // consume the l_square. 2669ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2670ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek while (Tok.isNot(tok::r_square)) { 2671ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Parse list of array element expressions (all must be id types). 2672ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult Res(ParseAssignmentExpression()); 2673ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Res.isInvalid()) { 2674ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // We must manually skip to a ']', otherwise the expression skipper will 2675ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // stop at the ']' when it skips to the ';'. We want it to skip beyond 2676ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // the enclosing expression. 26778fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_square, StopAtSemi); 26783fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return Res; 2679ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2680ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2681ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Parse the ellipsis that indicates a pack expansion. 2682ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Tok.is(tok::ellipsis)) 2683ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Res = Actions.ActOnPackExpansion(Res.get(), ConsumeToken()); 2684ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Res.isInvalid()) 2685ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek return true; 2686ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2687c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines ElementExprs.push_back(Res.get()); 2688ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2689ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (Tok.is(tok::comma)) 2690ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ConsumeToken(); // Eat the ','. 2691ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek else if (Tok.isNot(tok::r_square)) 2692651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return ExprError(Diag(Tok, diag::err_expected_either) << tok::r_square 2693651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::comma); 2694ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2695ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation EndLoc = ConsumeBracket(); // location of ']' 26964e28d9e2ba9ce237549b45cfd4136ec6536d1325Benjamin Kramer MultiExprArg Args(ElementExprs); 2697d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.BuildObjCArrayLiteral(SourceRange(AtLoc, EndLoc), Args); 2698ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2699ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2700ebcb57a8d298862c65043e88b2429591ab3c58d3Ted KremenekExprResult Parser::ParseObjCDictionaryLiteral(SourceLocation AtLoc) { 2701ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SmallVector<ObjCDictionaryElement, 4> Elements; // dictionary elements. 2702ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ConsumeBrace(); // consume the l_square. 2703ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek while (Tok.isNot(tok::r_brace)) { 2704ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Parse the comma separated key : value expressions. 2705ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult KeyExpr; 2706ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek { 2707ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ColonProtectionRAIIObject X(*this); 2708ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek KeyExpr = ParseAssignmentExpression(); 2709ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (KeyExpr.isInvalid()) { 2710ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // We must manually skip to a '}', otherwise the expression skipper will 2711ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // stop at the '}' when it skips to the ';'. We want it to skip beyond 2712ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // the enclosing expression. 27138fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace, StopAtSemi); 27143fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return KeyExpr; 2715ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2716ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2717ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2718651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ExpectAndConsume(tok::colon)) { 27198fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace, StopAtSemi); 27200ac0ee9be071c796b0f05392b473234b884c0ae8Fariborz Jahanian return ExprError(); 2721ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2722ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2723ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ExprResult ValueExpr(ParseAssignmentExpression()); 2724ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek if (ValueExpr.isInvalid()) { 2725ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // We must manually skip to a '}', otherwise the expression skipper will 2726ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // stop at the '}' when it skips to the ';'. We want it to skip beyond 2727ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // the enclosing expression. 27288fe2475a4b4c00475709c13d43eb9a57cce87cbcAlexey Bataev SkipUntil(tok::r_brace, StopAtSemi); 27293fe198bf0d6118c7b080c17c3bb28d7c84e458b9Benjamin Kramer return ValueExpr; 2730ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2731ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2732ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Parse the ellipsis that designates this as a pack expansion. 2733ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation EllipsisLoc; 2734651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (getLangOpts().CPlusPlus) 2735651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines TryConsumeToken(tok::ellipsis, EllipsisLoc); 2736651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2737ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // We have a valid expression. Collect it in a vector so we can 2738ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // build the argument list. 2739ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ObjCDictionaryElement Element = { 274066874fb18afbffb8b2ca05576851a64534be3352David Blaikie KeyExpr.get(), ValueExpr.get(), EllipsisLoc, None 2741ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek }; 2742ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Elements.push_back(Element); 2743651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2744651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!TryConsumeToken(tok::comma) && Tok.isNot(tok::r_brace)) 2745651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return ExprError(Diag(Tok, diag::err_expected_either) << tok::r_brace 2746651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines << tok::comma); 2747ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek } 2748ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek SourceLocation EndLoc = ConsumeBrace(); 2749ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2750ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Create the ObjCDictionaryLiteral. 2751d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.BuildObjCDictionaryLiteral(SourceRange(AtLoc, EndLoc), 2752d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber Elements.data(), Elements.size()); 2753ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek} 2754ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2755f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 2756e23fb90712233bdfa04387e48b54a7168e23cb3eDmitri Gribenko/// \@encode ( type-name ) 275760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 27581d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 2759861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 27601d922960e083906a586609ac6978678147250177Sebastian Redl 2761f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 27621d922960e083906a586609ac6978678147250177Sebastian Redl 27634fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 27641d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 27651d922960e083906a586609ac6978678147250177Sebastian Redl 27664a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 27674a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 27681d922960e083906a586609ac6978678147250177Sebastian Redl 2769809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 27701d922960e083906a586609ac6978678147250177Sebastian Redl 27714a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 27721d922960e083906a586609ac6978678147250177Sebastian Redl 2773809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2774809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2775809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 2776d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, T.getOpenLocation(), 2777d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber Ty.get(), T.getCloseLocation()); 2778f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 277929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 278029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 278117d26a6c1f2cb921d0000c337b4967699dc928fdJames Dennett/// \@protocol ( protocol-name ) 278260d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 27831d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 278429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 27851d922960e083906a586609ac6978678147250177Sebastian Redl 27864fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 27871d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 27881d922960e083906a586609ac6978678147250177Sebastian Redl 27894a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 27904a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 27911d922960e083906a586609ac6978678147250177Sebastian Redl 27924fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 2793651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return ExprError(Diag(Tok, diag::err_expected) << tok::identifier); 27941d922960e083906a586609ac6978678147250177Sebastian Redl 2795390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 27967d24e289bea2accaaed79c6ca3e5cdd0c204ddc1Argyrios Kyrtzidis SourceLocation ProtoIdLoc = ConsumeToken(); 27971d922960e083906a586609ac6978678147250177Sebastian Redl 27984a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 279929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 2800d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 2801d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber T.getOpenLocation(), ProtoIdLoc, 2802d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber T.getCloseLocation()); 280329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 2804a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 2805a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 2806c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines/// @selector '(' '('[opt] objc-keyword-selector ')'[opt] ')' 280748f3cc2b2be1d32df14234904539b34e6e387e4aFariborz JahanianExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 2808a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 28091d922960e083906a586609ac6978678147250177Sebastian Redl 28104fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 28111d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 28121d922960e083906a586609ac6978678147250177Sebastian Redl 28135f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2814a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 2815458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 28164a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor BalancedDelimiterTracker T(*this, tok::l_paren); 28174a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeOpen(); 2818c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines bool HasOptionalParen = Tok.is(tok::l_paren); 2819c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (HasOptionalParen) 2820c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines ConsumeParen(); 2821c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 2822458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2823050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents); 28247d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2825458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2826458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2827458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 28282fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 28295add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (!SelIdent && // missing selector name. 28305add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 2831651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return ExprError(Diag(Tok, diag::err_expected) << tok::identifier); 28321d922960e083906a586609ac6978678147250177Sebastian Redl 2833b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2834c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 2835887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 2836887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 2837a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 2838651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (TryConsumeToken(tok::coloncolon)) { // Handle :: in C++. 28395add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 28406bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines KeyIdents.push_back(nullptr); 2841651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } else if (ExpectAndConsume(tok::colon)) // Otherwise expect ':'. 2842651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return ExprError(); 28435add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 2844651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2845a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 2846a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2847458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2848458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2849050315bfd0473323a68f2da99b51bbe2842f6c36Dmitri Gribenko Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents); 28507d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2851458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2852458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2853458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2854a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 2855a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 28562fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 2857b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 28583b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner if (!SelIdent && Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 2859a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2860a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 2861887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 2862c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (HasOptionalParen && Tok.is(tok::r_paren)) 2863c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines ConsumeParen(); // ')' 28644a8dfb511e8f84b2e38b7a86d8ddf05ac1e1a41bDouglas Gregor T.consumeClose(); 2865887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 2866d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber return Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 2867d32b94d4d685522d1552d3d1345ae9616d7f27abNico Weber T.getOpenLocation(), 2868c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines T.getCloseLocation(), 2869c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines !HasOptionalParen); 287058065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 2871140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 28726c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanianvoid Parser::ParseLexedObjCMethodDefs(LexedMethod &LM, bool parseMethod) { 28736c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian // MCDecl might be null due to error in method or c-function prototype, etc. 28746c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian Decl *MCDecl = LM.D; 28756c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian bool skip = MCDecl && 28766c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian ((parseMethod && !Actions.isObjCMethodDecl(MCDecl)) || 28776c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian (!parseMethod && Actions.isObjCMethodDecl(MCDecl))); 28786c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian if (skip) 28796c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian return; 28806c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian 2881a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Save the current token position. 2882a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis SourceLocation OrigLoc = Tok.getLocation(); 2883a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 2884140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian assert(!LM.Toks.empty() && "ParseLexedObjCMethodDef - Empty body!"); 2885140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Append the current token at the end of the new token stream so that it 2886140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // doesn't get lost. 2887140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian LM.Toks.push_back(Tok); 2888140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian PP.EnterTokenStream(LM.Toks.data(), LM.Toks.size(), true, false); 2889140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2890140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Consume the previously pushed token. 2891ab2d09b6287a5dc6fa94d78739444f46f9a78bfbArgyrios Kyrtzidis ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); 2892140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 28939e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian assert((Tok.is(tok::l_brace) || Tok.is(tok::kw_try) || 28949e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian Tok.is(tok::colon)) && 28959e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian "Inline objective-c method not starting with '{' or 'try' or ':'"); 2896651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines // Enter a scope for the method or c-function body. 2897140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ParseScope BodyScope(this, 28986c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian parseMethod 28996c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian ? Scope::ObjCMethodScope|Scope::FnScope|Scope::DeclScope 29006c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian : Scope::FnScope|Scope::DeclScope); 2901140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 29026c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian // Tell the actions module that we have entered a method or c-function definition 29036c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian // with the specified Declarator for the method/function. 29048c6cb462946b8be19167fad7ff21d4f9fbaebfefFariborz Jahanian if (parseMethod) 29058c6cb462946b8be19167fad7ff21d4f9fbaebfefFariborz Jahanian Actions.ActOnStartOfObjCMethodDef(getCurScope(), MCDecl); 29068c6cb462946b8be19167fad7ff21d4f9fbaebfefFariborz Jahanian else 29078c6cb462946b8be19167fad7ff21d4f9fbaebfefFariborz Jahanian Actions.ActOnStartOfFunctionDef(getCurScope(), MCDecl); 29082eb362b50f34296c39d5ec3e5e1bd6a2c9a5877eFariborz Jahanian if (Tok.is(tok::kw_try)) 2909651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParseFunctionTryBlock(MCDecl, BodyScope); 29109e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian else { 29119e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian if (Tok.is(tok::colon)) 29129e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian ParseConstructorInitializer(MCDecl); 2913651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ParseFunctionStatementBody(MCDecl, BodyScope); 29149e5df312551bc92f0a6c908288effef2e2ed0ee7Fariborz Jahanian } 29156940972c33891ff5d2189fbf232dcdeee0e9daf8Fariborz Jahanian 2916a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis if (Tok.getLocation() != OrigLoc) { 2917a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Due to parsing error, we either went over the cached tokens or 2918a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // there are still cached tokens left. If it's the latter case skip the 2919a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // leftover tokens. 2920a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // Since this is an uncommon situation that should be avoided, use the 2921a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis // expensive isBeforeInTranslationUnit call. 2922a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis if (PP.getSourceManager().isBeforeInTranslationUnit(Tok.getLocation(), 2923a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis OrigLoc)) 2924a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis while (Tok.getLocation() != OrigLoc && Tok.isNot(tok::eof)) 2925a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis ConsumeAnyToken(); 2926a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis } 2927a24195aaf71cee202f92ea4bad50358f3d0b701fArgyrios Kyrtzidis 29286c89eafc90f5c51a0bf185a993961170aee530c2Fariborz Jahanian return; 2929140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian} 2930