ParseObjc.cpp revision 13d05ac08974ccb41f7da7595d769c158f58fbd6
1a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek//===--- ParseObjC.cpp - Objective C Parsing ------------------------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the Objective-C portions of the Parser interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 1519510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Parse/Parser.h" 160fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor#include "RAIIObjectsForParser.h" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 18f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 1919510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/Scope.h" 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24891dca671a80c865c6def7259f170ba785e4faaaChris Lattner/// ParseObjCAtDirectives - Handle parts of the external-declaration production: 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 2791fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 2891fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 2991fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 3091fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 3191fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 3295ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::DeclGroupPtrTy Parser::ParseObjCAtDirectives() { 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 36a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 377d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 387d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return DeclGroupPtrTy(); 39c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 4095ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian 4195ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian Decl *SingleDecl = 0; 42861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 435ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 445ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 4595ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 467f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_interface: { 470b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 4895ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtInterfaceDeclaration(AtLoc, attrs); 4995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 507f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 517f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_protocol: { 520b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 5395ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtProtocolDeclaration(AtLoc, attrs); 5495ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 557f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 565ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 5795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtImplementationDeclaration(AtLoc); 5895ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 595ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 60140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return ParseObjCAtEndDeclaration(AtLoc); 6195ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 625ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 6395ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCAtAliasDeclaration(AtLoc); 6495ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 655ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 6695ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCPropertySynthesize(AtLoc); 6795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 685ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 6995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = ParseObjCPropertyDynamic(AtLoc); 7095ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 715ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 725ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 735ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 7495ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian SingleDecl = 0; 7595ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian break; 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7795ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(SingleDecl); 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 8495ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::DeclGroupPtrTy 8595ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz JahanianParser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 875f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 8> ClassNames; 885f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ClassLocs; 89c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek 901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 92df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 9595ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(0); 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 98c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 1001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 101df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 1031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 10995ed7784a335aca53b0c6e952cf31a4cfb633360Fariborz Jahanian return Actions.ConvertDeclToDeclGroup(0); 1101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 111c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 112c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 113c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 116dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 118dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 1221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 1241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 125dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 127dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 128dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 130dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 131dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 132dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 133dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 134dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 135dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 136dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 137dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 138dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 139dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 140dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 141dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 142dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 143dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1447f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallDecl *Parser::ParseObjCAtInterfaceDeclaration(SourceLocation atLoc, 1457f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 146861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 147dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1503b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@interface'. 1513b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 15223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceDecl(getCurScope()); 1537d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1547d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1553b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 1563b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 157df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 158dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 159d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 160dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 16163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 162dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 164dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 1655512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::l_paren) && 1665512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian !isKnownToBeTypeSpecifier(GetLookAheadToken(1))) { // we have a category. 16713d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor SourceLocation LParenLoc = ConsumeParen(); 168dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 169dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 17033ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 17123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceCategory(getCurScope(), nameId, nameLoc); 1727d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 1737d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 17433ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 17533ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 176527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 177df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 178dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 179dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 18005511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 18105511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian else if (!getLang().ObjC2) { 182527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 183d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 184dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 18513d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor 18613d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor rparenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 18713d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor if (rparenLoc.isInvalid()) 188d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 18913d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor 19013d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor if (!attrs.empty()) { // categories don't support attributes. 19113d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor Diag(nameLoc, diag::err_objc_no_attributes_on_category); 19213d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor attrs.clear(); 193dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 19413d05ac08974ccb41f7da7595d769c158f58fbd6Douglas Gregor 1955512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian // Next, we need to check for any protocol references. 1965512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian SourceLocation LAngleLoc, EndProtoLoc; 1975f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 1985f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 1995512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::less) && 2005512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 20171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 202d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 20305511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian 204d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *CategoryType = 2055512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian Actions.ActOnStartCategoryInterface(atLoc, 2065512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian nameId, nameLoc, 2075512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian categoryId, categoryLoc, 2085512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.data(), 2095512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.size(), 2105512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolLocs.data(), 2115512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian EndProtoLoc); 212e6f07f538fd0eddd6c087fcc01d4e4ff19129c71Fariborz Jahanian 213a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (Tok.is(tok::l_brace)) 214a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCClassInstanceVariables(CategoryType, tok::objc_private, atLoc); 215a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 2162f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_not_keyword, CategoryType); 2175512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return CategoryType; 218dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 219dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 220dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 221dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 2227ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 223df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 224dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 2253b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 2263b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion of superclass names. 2273b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 22823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperclass(getCurScope(), nameId, nameLoc); 2297d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2307d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 2313b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 2323b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 233df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 234dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 235d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 236dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 237dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 238dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 239dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 240dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 2415f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 2425f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 24371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 24406036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 24571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 24671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 247d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 2481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 249d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ClsType = 2501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 25106036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 252beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 25318df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 2547f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 2551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 256df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 25783c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian ParseObjCClassInstanceVariables(ClsType, tok::objc_protected, atLoc); 258dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 2592f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_interface, ClsType); 2605512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return ClsType; 261dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 262dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 263d0014540005f2a5ab837365db6bd40f479406758John McCall/// The Objective-C property callback. This should be defined where 264d0014540005f2a5ab837365db6bd40f479406758John McCall/// it's used, but instead it's been lifted to here to support VS2005. 265d0014540005f2a5ab837365db6bd40f479406758John McCallstruct Parser::ObjCPropertyCallback : FieldCallback { 266d0014540005f2a5ab837365db6bd40f479406758John McCall Parser &P; 2675f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &Props; 268d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS; 269d0014540005f2a5ab837365db6bd40f479406758John McCall SourceLocation AtLoc; 270d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind; 271d0014540005f2a5ab837365db6bd40f479406758John McCall 272a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback(Parser &P, 2735f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &Props, 274d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 275d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind) : 276a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian P(P), Props(Props), OCDS(OCDS), AtLoc(AtLoc), 277d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind(MethodImplKind) { 278d0014540005f2a5ab837365db6bd40f479406758John McCall } 279d0014540005f2a5ab837365db6bd40f479406758John McCall 280d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 281d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.D.getIdentifier() == 0) { 282d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 283d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 284d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 285d0014540005f2a5ab837365db6bd40f479406758John McCall } 286d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.BitfieldSize) { 287d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 288d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 289d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 290d0014540005f2a5ab837365db6bd40f479406758John McCall } 291d0014540005f2a5ab837365db6bd40f479406758John McCall 292d0014540005f2a5ab837365db6bd40f479406758John McCall // Install the property declarator into interfaceDecl. 293d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SelName = 294d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 295d0014540005f2a5ab837365db6bd40f479406758John McCall 296d0014540005f2a5ab837365db6bd40f479406758John McCall Selector GetterSel = 297d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 298d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 299d0014540005f2a5ab837365db6bd40f479406758John McCall Selector SetterSel; 300d0014540005f2a5ab837365db6bd40f479406758John McCall if (SetterName) 301d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 302d0014540005f2a5ab837365db6bd40f479406758John McCall else 303d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = SelectorTable::constructSetterName(P.PP.getIdentifierTable(), 304d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable(), 305d0014540005f2a5ab837365db6bd40f479406758John McCall FD.D.getIdentifier()); 306d0014540005f2a5ab837365db6bd40f479406758John McCall bool isOverridingProperty = false; 307d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Property = 30823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor P.Actions.ActOnProperty(P.getCurScope(), AtLoc, FD, OCDS, 309a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian GetterSel, SetterSel, 310d0014540005f2a5ab837365db6bd40f479406758John McCall &isOverridingProperty, 311d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind); 312d0014540005f2a5ab837365db6bd40f479406758John McCall if (!isOverridingProperty) 313d0014540005f2a5ab837365db6bd40f479406758John McCall Props.push_back(Property); 314d0014540005f2a5ab837365db6bd40f479406758John McCall 315d0014540005f2a5ab837365db6bd40f479406758John McCall return Property; 316d0014540005f2a5ab837365db6bd40f479406758John McCall } 317d0014540005f2a5ab837365db6bd40f479406758John McCall}; 318d0014540005f2a5ab837365db6bd40f479406758John McCall 319dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 320dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 321dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 322294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 3233536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 324dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 325dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 326dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 327294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 328294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 329294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 330294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 3312f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(tok::ObjCKeywordKind contextKey, 3322f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian Decl *CDecl) { 3335f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> allMethods; 3345f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 16> allProperties; 3355f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclGroupPtrTy, 8> allTUVariables; 33600933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 338782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceRange AtEnd; 3392f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian Actions.ActOnObjCContainerStartDefinition(CDecl); 3402f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian 341294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 342e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 343df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 344d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *methodPrototype = 345a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCMethodPrototype(MethodImplKind, false); 34625e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 3473536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 3483536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 349b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_method_proto, 350b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner "", tok::semi); 351294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 352294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 35305511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian if (Tok.is(tok::l_paren)) { 35405511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian Diag(Tok, diag::err_expected_minus_or_plus); 355d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParseObjCMethodDecl(Tok.getLocation(), 356d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::minus, 35790ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, false); 35805511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian continue; 35905511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 360e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 361e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 362294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 363e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 364e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 366bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 367e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 368e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 370b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor // Code completion within an Objective-C interface. 371b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor if (Tok.is(tok::code_completion)) { 37223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 373f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall ObjCImpDecl? Sema::PCC_ObjCImplementation 374f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_ObjCInterface); 3757d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 376b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor } 377b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor 378e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 379e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 3801fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 3811fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 3821fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 3831fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 3841fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 3850b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes attrs(AttrFactory); 3867f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall allTUVariables.push_back(ParseDeclarationOrFunctionDefinition(attrs)); 387e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 388e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 390e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 391e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 392c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 393a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 3947d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 395c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor break; 396c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 397c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 398a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 3991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 400a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 401782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setBegin(AtLoc); 402782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setEnd(Tok.getLocation()); 403e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 404c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor } else if (DirectiveKind == tok::objc_not_keyword) { 405c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor Diag(Tok, diag::err_objc_unknown_at); 406c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor SkipUntil(tok::semi); 407c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor continue; 408bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 4091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 410bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 411bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 412bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 413a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 414a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 415bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 416bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 417bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 418bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 419f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 420bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 421a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 422a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 42346d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 42446d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian case tok::objc_implementation: 425df81c2c6ce37f4ae3c45dd01093b6274fa0b6692Fariborz Jahanian case tok::objc_interface: 42646d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian Diag(Tok, diag::err_objc_missing_end); 42746d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian ConsumeToken(); 42846d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian break; 42946d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 430a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 431a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 432a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 433bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 434e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 435bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 436a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 437bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 438a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 440a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 441f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 442b321c0c0ba957d78475e72cebde4028fdaa00f8fChris Lattner Diag(AtLoc, diag::err_objc_properties_require_objc2); 443f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 444e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 4468ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 447a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCPropertyAttribute(OCDS); 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 449a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ObjCPropertyCallback Callback(*this, allProperties, 450d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS, AtLoc, MethodImplKind); 451bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 452e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 4530b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 454bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 4551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4567da19ea50d4161fcda40d135735bcf450cabeb50John McCall ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list); 457a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 458f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 459294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 460bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 461bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 462bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 463c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 464a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCAtDirective(getCurScope()); 4657d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 466c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } else if (Tok.isObjCAtKeyword(tok::objc_end)) 467bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 468bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 469bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 471a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 472bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 473a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnAtEnd(getCurScope(), AtEnd, 4741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump allMethods.data(), allMethods.size(), 475beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allProperties.data(), allProperties.size(), 476beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allTUVariables.data(), allTUVariables.size()); 477294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 478294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 479d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 480d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 481d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 482d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 483d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 484d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 485d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 486d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 487d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 488d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 489d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 490d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 491d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 492d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 493d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 494f85e193739c953358c865005855253af4f68a497John McCall/// atomic 495f85e193739c953358c865005855253af4f68a497John McCall/// strong 496f85e193739c953358c865005855253af4f68a497John McCall/// weak 497f85e193739c953358c865005855253af4f68a497John McCall/// unsafe_unretained 498d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 499a28948f34817476d02412fa204cae038e228c827Fariborz Jahanianvoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 5008ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 501dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 5021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 503cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 504ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 50523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyFlags(getCurScope(), DS); 5067d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 507ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 508d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 510f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 511f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 512f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 513f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 514f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 516156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51892e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 519e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 52092e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 521e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 522f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("unsafe_unretained")) 523f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_unsafe_unretained); 52492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 525e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 52692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 527e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 528f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("strong")) 529f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_strong); 53092e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 531e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 53292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 533e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 53445937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian else if (II->isStr("atomic")) 53545937ae10a0f70f74508165aab4f2b63e18ea747Fariborz Jahanian DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_atomic); 536f85e193739c953358c865005855253af4f68a497John McCall else if (II->isStr("weak")) 537f85e193739c953358c865005855253af4f68a497John McCall DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_weak); 53892e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 53942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson bool IsSetter = II->getNameStart()[0] == 's'; 54042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 541e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 54242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson unsigned DiagID = IsSetter ? diag::err_objc_expected_equal_for_setter : 54342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson diag::err_objc_expected_equal_for_getter; 54442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 54542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (ExpectAndConsume(tok::equal, DiagID, "", tok::r_paren)) 546dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 5471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5484ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (Tok.is(tok::code_completion)) { 54942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) 550a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySetter(getCurScope()); 5514ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor else 552a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyGetter(getCurScope()); 5537d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 5544ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor } 5554ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor 55642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 55742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson SourceLocation SelLoc; 55842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson IdentifierInfo *SelIdent = ParseObjCSelectorPiece(SelLoc); 55942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 56042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (!SelIdent) { 56142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson Diag(Tok, diag::err_objc_expected_selector_for_getter_setter) 56242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson << IsSetter; 5638ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 5648ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5658ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 5661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) { 5688ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 56942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setSetterName(SelIdent); 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 571e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian if (ExpectAndConsume(tok::colon, 572e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian diag::err_expected_colon_after_setter_name, "", 573156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 5748ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5758ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 5768ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 57742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setGetterName(SelIdent); 5788ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 579e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 580a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 581cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 582cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 583cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 585156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 586156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 588156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 589d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 5901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 591156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 592d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 593d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 5943536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 5951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 5963536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 597294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 598294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 599294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 600294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6014985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 6024985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 6034985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 604a28948f34817476d02412fa204cae038e228c827Fariborz JahanianDecl *Parser::ParseObjCMethodPrototype(tok::ObjCKeywordKind MethodImplKind, 60590ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 606df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 607294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 609bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 610a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodDecl(mLoc, methodType, MethodImplKind, 61190ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodDefinition); 6123536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 6132bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 614f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 615294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 616294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 617294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 618294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 619294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 620294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 621294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 622294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 623294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 624294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6252fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 626be74740cc246ce08d42804a684385a42eb814edbFariborz Jahanian 627ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 628ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 629ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 630afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampamp: 631afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampequal: 632afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::amp: 633afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipe: 634afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::tilde: 635afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaim: 636afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaimequal: 637afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipepipe: 638afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipeequal: 639afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caret: 640afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caretequal: { 6413846ca29a8cc1d376a4b695194c29952dbbfb544Fariborz Jahanian std::string ThisTok(PP.getSpelling(Tok)); 642afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian if (isalpha(ThisTok[0])) { 643afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian IdentifierInfo *II = &PP.getIdentifierTable().get(ThisTok.data()); 644afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian Tok.setKind(tok::identifier); 645afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian SelectorLoc = ConsumeToken(); 646afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return II; 647afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 648afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return 0; 649afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 650afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian 651ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 652ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 653ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 6549298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 655ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 656ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 657ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 658ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 659ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 660ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 661ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 662ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 663ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 664ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 665ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 666ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 667ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 668ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 669ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 670ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 671ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 672ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 673ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 674ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 675ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 676ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 677ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 678ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 679ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 680ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 681ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 682ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 683ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 684ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 685ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 686ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 687ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 688ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 689ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 690ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 691ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 692ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 693ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 694ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 695ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 696ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 697ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 698ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 699ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 700ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 701ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 702ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 703ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 704ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 705ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 706ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 707ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 708ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 709ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 710ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 711ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 712ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 713ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 714ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 715ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 716ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 717ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 718ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 719ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 720ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 7214b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 722ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 723d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 724294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 725294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 7260196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 7270196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 728335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 7293ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 7303ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 7313ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (getLang().ObjC2 && Tok.is(tok::identifier) && 7335ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 7340196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 7350196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 736a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 737e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 738e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 739294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 740294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 741294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 742294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 743294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 744b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregorvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS, 745b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ObjCTypeNameContext Context) { 746e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 747d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor if (Tok.is(tok::code_completion)) { 748b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor Actions.CodeCompleteObjCPassingType(getCurScope(), DS, 749b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor Context == OTN_ParameterType); 7507d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 751d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor } 752d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor 753cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 754e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 756e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 757e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 758a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 759e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 7601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 761a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 762e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 763b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown decl qualifier"); 764a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 765a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 766a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 767a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 768a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 769a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 770e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 771a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 772e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 773e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 774e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 775e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 777e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 778e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 779e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 780e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 781e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 782e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 783e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 784e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 785e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 786b77cab97f17f946744c920629ca17271308d8ebfDouglas GregorParsedType Parser::ParseObjCTypeName(ObjCDeclSpec &DS, 787b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ObjCTypeNameContext Context) { 788df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 7891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7904a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 791e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 7929735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian ObjCDeclContextSwitch ObjCDC(*this); 7939735c5e60027b26a809df19677ff16a4d13f1321Fariborz Jahanian 79419d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 795b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ParseObjCTypeQualifierList(DS, Context); 7964fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 797b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty; 798809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 799f85e193739c953358c865005855253af4f68a497John McCall TypeResult TypeSpec = 800f85e193739c953358c865005855253af4f68a497John McCall ParseTypeName(0, Declarator::ObjCPrototypeContext, &DS); 801809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!TypeSpec.isInvalid()) 802809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty = TypeSpec.get(); 803e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor } else if (Context == OTN_ResultType && Tok.is(tok::identifier)) { 804e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!Ident_instancetype) 805e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ident_instancetype = PP.getIdentifierInfo("instancetype"); 806e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 807e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (Tok.getIdentifierInfo() == Ident_instancetype) { 808e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor Ty = Actions.ActOnObjCInstanceType(Tok.getLocation()); 809e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ConsumeToken(); 810e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor } 811809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 812e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 8134a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 8144a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 8154a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 816e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 8171ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 8184a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 8194a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 8204a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 8214a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 8224a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 823294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 824f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 825294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 826294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 827294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 828294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 8294985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 830294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 8314985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 832294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 833294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 8341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 835294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 836294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 837294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 8387ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 8397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 8407ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 8417ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 842294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8434985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 8444985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 845294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8464985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 8474985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 848294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8494985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 850294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 851294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8527ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 8537ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 8547ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 855d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 8562ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::TokenKind mType, 85790ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian tok::ObjCKeywordKind MethodImplKind, 85890ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian bool MethodDefinition) { 85954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject PD(*this); 86054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 861e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 86223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 863a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian /*ReturnType=*/ ParsedType()); 8647d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 8657d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 866e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 867e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 868e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 869b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReturnType; 870a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 871df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 872b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ReturnType = ParseObjCTypeName(DSRet, OTN_ResultType); 8731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8749e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // If attributes exist before the method, parse them. 8750b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes methodAttrs(AttrFactory); 8767f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 8770b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 8789e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek 879e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 88023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 881a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ReturnType); 8827d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 8837d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 884e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 885e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 8869e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // Now parse the selector. 887bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 8882fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 889e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 89084c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 89184c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 8921ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 8931ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 894e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 895e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 896d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 897e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 8981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<DeclaratorChunk::ParamInfo, 8> CParamInfo; 900df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 901ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 9027f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 9030b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 905ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 906d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 9077f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 908a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 909926df6cfabf3eaa4afc990c097fa4619b76a9b57Douglas Gregor selLoc, Sel, 0, 9104f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 9110b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), MethodImplKind, 9120b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall false, MethodDefinition); 91354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 91454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 915ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 916f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 9175f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 9185f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Sema::ObjCArgInfo, 12> ArgInfos; 9197f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian ParseScope PrototypeScope(this, 9207f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian Scope::FunctionPrototypeScope|Scope::DeclScope); 9210b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 9220b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall AttributePool allParamAttrs(AttrFactory); 9237f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 924ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 9250b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ParsedAttributes paramAttrs(AttrFactory); 926f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::ObjCArgInfo ArgInfo; 9271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 928ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 929df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 930ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 931ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 932ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 933ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 9341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 935b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ArgInfo.Type = ParsedType(); 936e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 937b77cab97f17f946744c920629ca17271308d8ebfDouglas Gregor ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec, OTN_ParameterType); 938e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 939ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 940e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 9417f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) { 9420b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(paramAttrs); 9430b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall ArgInfo.ArgAttrs = paramAttrs.getList(); 9447f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 9457ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 94640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor // Code completion for the next piece of the selector. 94740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor if (Tok.is(tok::code_completion)) { 94840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.push_back(SelIdent); 94940ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 95040ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor mType == tok::minus, 95140ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/true, 95240ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor ReturnType, 95340ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.data(), 95440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.size()); 9557d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 9567d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 95740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor } 95840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor 959df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 960ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 961ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 9624985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 9631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 964e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 965e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 966ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 9671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 968e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 969e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 970e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 9710b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall // Make sure the attributes persist. 9720b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall allParamAttrs.takeAllFrom(paramAttrs.getPool()); 9730b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall 9741f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor // Code completion for the next piece of the selector. 9751f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor if (Tok.is(tok::code_completion)) { 9761f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 9771f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor mType == tok::minus, 97840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/false, 9791f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor ReturnType, 9801f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.data(), 9811f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.size()); 9827d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 9837d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 9841f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor } 9851f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor 986ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 9874b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 9882fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 989df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 990ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 991ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 992ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 9931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 994335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 996ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 997df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 998ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 999df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 1000335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 10014985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 1002ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 10034985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 10040b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1005ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 1007ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 1008ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 10094f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian IdentifierInfo *ParmII = ParmDecl.getIdentifier(); 1010d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = Actions.ActOnParamDeclarator(getCurScope(), ParmDecl); 10114f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, 10124f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian ParmDecl.getIdentifierLoc(), 10134f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian Param, 10144f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 0)); 10154f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 10164985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 10171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10189c4bb2c08989265411925a04252fd4f93c26e3b1Cameron Esfahani // FIXME: Add support for optional parameter list... 1019e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 10207f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 10210b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall MaybeParseGNUAttributes(methodAttrs); 10227f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1023a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian if (KeyIdents.size() == 0) 1024d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 10257f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 1026ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 1027ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 1028d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 10297f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian = Actions.ActOnMethodDeclaration(getCurScope(), mLoc, Tok.getLocation(), 1030a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian mType, DSRet, ReturnType, 1031926df6cfabf3eaa4afc990c097fa4619b76a9b57Douglas Gregor selLoc, Sel, &ArgInfos[0], 10324f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 10330b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall methodAttrs.getList(), 103490ba78c64d0c24cfbc1bf88728db9775d44d7f9fFariborz Jahanian MethodImplKind, isVariadic, MethodDefinition); 10357f53253223b29d77f1e9c5c0ce93a19932761b77Fariborz Jahanian 103654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 103754abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 1038294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 1039294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 1040dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 1041dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 1042dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 10437caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 10445f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerParseObjCProtocolReferences(SmallVectorImpl<Decl *> &Protocols, 10455f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<SourceLocation> &ProtocolLocs, 104671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 104771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 1048e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 10491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 105071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10525f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolIdents; 10531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1054e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 105555385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 105655385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 105755385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 10587d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 10597d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return true; 106055385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 106155385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 1062e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 1063e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 1064e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 1065e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1066e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 1067e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 1068e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 106971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 1070e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 10711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1072e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 1073e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 1074e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 1075e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1077e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 1078e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 1079e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 1080e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1081e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 10821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1083e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 10841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1085e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 1086e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 1087e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 1088e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 1089e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 1090e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 1091e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 10929bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// \brief Parse the Objective-C protocol qualifiers that follow a typename 10939bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// in a decl-specifier-seq, starting at the '<'. 109446f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregorbool Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) { 10959bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(Tok.is(tok::less) && "Protocol qualifiers start with '<'"); 10969bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(getLang().ObjC1 && "Protocol qualifiers only exist in Objective-C"); 10979bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor SourceLocation LAngleLoc, EndProtoLoc; 10985f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolDecl; 10995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 110046f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor bool Result = ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, 110146f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor LAngleLoc, EndProtoLoc); 11029bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), 11039bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ProtocolLocs.data(), LAngleLoc); 11049bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (EndProtoLoc.isValid()) 11059bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(EndProtoLoc); 110646f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor return Result; 11079bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor} 11089bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 11099bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 1110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 1111dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 1112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 1114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 1115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 1116dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 1117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 1118dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 1119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 1120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 1122dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 1123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 1124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 1125ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 1126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1127dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 1129dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1130d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCClassInstanceVariables(Decl *interfaceDecl, 113183c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian tok::ObjCKeywordKind visibility, 113260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 1133df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 11345f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 32> AllIvarDecls; 1135a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 11361a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 113772de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 1138ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 11391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1140ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 1141df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1142ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1144ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 1145df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1146f13ca06e57ac094ed05ea08c26a499af1ba0ce88Douglas Gregor Diag(Tok, diag::ext_extra_ivar_semi) 1147849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1148ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1149ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1150ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 11511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1152ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 1153df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 1154ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 1155c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1156c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 115723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtVisibility(getCurScope()); 11587d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1159c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1160c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1161861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 1162ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 1163ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 1164ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 1165ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 1166861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 1167ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 11681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 1169ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 1170ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 1171ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1172ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1173ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 11741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1175c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 117623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 1177f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PCC_ObjCInstanceVariableList); 11787d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return cutOffParsing(); 1179c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1180c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1181bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 1182bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 1183d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *IDecl; 1184bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 11855f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls; 1186bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1187d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCIvarCallback(Parser &P, Decl *IDecl, tok::ObjCKeywordKind V, 11885f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<Decl *> &AllIvarDecls) : 1189bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 1190bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1191bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1192d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 1193a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian P.Actions.ActOnObjCContainerStartDefinition(IDecl); 1194bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 1195d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Field 119623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = P.Actions.ActOnIvar(P.getCurScope(), 1197bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 1198a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 119910af87932fe4bffad539b24d512a33a1803daeaeFariborz Jahanian P.Actions.ActOnObjCContainerFinishDefinition(); 12000bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian if (Field) 12010bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian AllIvarDecls.push_back(Field); 1202bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Field; 1203bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1204bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 1205d097be8f81fbf4ed96ac10bae18562dd8202666bFariborz Jahanian 1206e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 12070b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1208bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1210df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1211ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1212ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 1213ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 1214ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 1215ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 1216ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1217ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 121860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 1219a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(interfaceDecl); 1220a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnLastBitfield(RBraceLoc, AllIvarDecls); 122110af87932fe4bffad539b24d512a33a1803daeaeFariborz Jahanian Actions.ActOnObjCContainerFinishDefinition(); 12228749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 12238749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 122423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFields(getCurScope(), atLoc, interfaceDecl, 122577b6de07be9186063c12928d2e9785a5d4eecbf6David Blaikie AllIvarDecls, 12261bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 1227ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 12285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1229dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1230dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 1231dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 1232dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 1233dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1234dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @protocol identifier 12361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 12371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 1238dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 1239dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1240dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 1241dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 1242dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1243dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 12443536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1245dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1246d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 12477f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 1248861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 12497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 12507ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 12511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1252083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 125323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(getCurScope()); 12547d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 12557d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1256083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1257083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1258df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 12597ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 1260d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12627ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 12637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 12647ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 12651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1266df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 12677caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 12687ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 12707f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 12717ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1273df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 12745f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierLocPair, 8> ProtocolRefs; 12757caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 12767caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 12777ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 12787ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 12797ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1280df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 12817ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 12827ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1283d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12847ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12857caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 12867caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 12877ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 12881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1289df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 12907ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 12917ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12927ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 12937ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1294d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1296e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1298bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 12997f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 13007caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13027ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 130371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 13047caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 13055f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl *, 8> ProtocolRefs; 13065f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 8> ProtocolLocs; 13077caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 130871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 130971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1310d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 13111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1312d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ProtoType = 1313e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1314beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1315beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 131618df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 13177f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 1318a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 13192f64cfe19e8bf6b6ba1660e38da8c421440457feFariborz Jahanian ParseObjCInterfaceDeclList(tok::objc_protocol, ProtoType); 1320bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 1321dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1322dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1323dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1324dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1325dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1326dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1327dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1328dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1329dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1330dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1331dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1332dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1333d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtImplementationDeclaration( 1334ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1335ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1336ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1337ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 13381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13393b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 13403b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 134123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(getCurScope()); 13427d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 13437d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 13443b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 13453b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1346df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1347ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1348d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1349ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1350ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1351ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1352ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1355ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1356dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeParen(); 1357ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1358ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 13591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 136033ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 136123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(getCurScope(), nameId, nameLoc); 13627d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 13637d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 136433ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 136533ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1366df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1367ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1368ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1369ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1370ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1371d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1373df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1374ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1375ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1376d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1377ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1378ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1379d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplCatType = Actions.ActOnStartCategoryImplementation( 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump atLoc, nameId, nameLoc, categoryId, 13818f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1382a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1383a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(ImplCatType); 1384a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 138563e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1386d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1387ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1388ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1389ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1390ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1391df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1392ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1393ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1394df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1395ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1396d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1397ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1398ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1399ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1400ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1401d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplClsType = Actions.ActOnStartClassImplementation( 1402cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1403ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 140560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 1406a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian ParseObjCClassInstanceVariables(ImplClsType, tok::objc_private, atLoc); 1407a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian 1408a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnObjCContainerStartDefinition(ImplClsType); 1409a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 141063e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1411d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 141360fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1414140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::DeclGroupPtrTy 1415140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianParser::ParseObjCAtEndDeclaration(SourceRange atEnd) { 1416ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1417ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1418ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1419140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian SmallVector<Decl *, 8> DeclsInGroup; 14208697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian Actions.DefaultSynthesizeProperties(getCurScope(), ObjCImpDecl); 1421140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian for (size_t i = 0; i < LateParsedObjCMethods.size(); ++i) { 1422140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Decl *D = ParseLexedObjCMethodDefs(*LateParsedObjCMethods[i]); 1423140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian DeclsInGroup.push_back(D); 1424140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian } 1425140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian DeclsInGroup.push_back(ObjCImpDecl); 14268697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian 1427a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian if (ObjCImpDecl) { 1428a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnAtEnd(getCurScope(), atEnd); 142963e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.pop_back(); 1430a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian } 14318697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian else 1432782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek // missing @implementation 143364089cece350472c04b420c497ae391443353325Fariborz Jahanian Diag(atEnd.getBegin(), diag::err_expected_implementation); 14348697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian 14358697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian LateParsedObjCMethods.clear(); 14368697d308c1bdd50e5c45757ac11be701c26e9e97Fariborz Jahanian ObjCImpDecl = 0; 1437140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return Actions.BuildDeclaratorGroup( 1438140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian DeclsInGroup.data(), DeclsInGroup.size(), false); 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1440e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 14413fe104154dd2e8ffb351142d74f308938b5c99bfFariborz JahanianParser::DeclGroupPtrTy Parser::FinishPendingObjCActions() { 14423fe104154dd2e8ffb351142d74f308938b5c99bfFariborz Jahanian Actions.DiagnoseUseOfUnimplementedSelectors(); 144363e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian if (PendingObjCImpDecl.empty()) 1444d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return Actions.ConvertDeclToDeclGroup(0); 1445d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImpDecl = PendingObjCImpDecl.pop_back_val(); 1446a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnAtEnd(getCurScope(), SourceRange()); 144763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian return Actions.ConvertDeclToDeclGroup(ImpDecl); 144863e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian} 144963e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1450e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1451e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1452e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1453d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1454e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1455e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1456e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1457df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1458e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1459d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1460e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1461243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1462243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1463df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1464e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1465d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1466e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1467243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1468243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1469e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, 1470e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor "@compatibility_alias"); 1471b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1472b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 14735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1475ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1476ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1477ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1478ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1479ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1480ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1481ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1482ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1483ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1484ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1485ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1486d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1487ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1488ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1489dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume synthesize 14901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1491b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1492322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1493a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 14947d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 14957d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1496322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1497322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1498b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1499b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1500b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1501d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1502b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1503b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor 1504f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1505f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1506f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1507a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor SourceLocation propertyIvarLoc; 1508df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1509ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1510ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1511322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1512322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 1513a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertySynthesizeIvar(getCurScope(), propertyId); 15147d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 15157d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1516322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1517322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1518df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1519ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1520ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1521ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1522f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1523a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyIvarLoc = ConsumeToken(); // consume ivar-name 1524ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1525a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, true, 1526a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, propertyIvar, propertyIvarLoc); 1527df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1528ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1529ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1530ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1531e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@synthesize"); 1532d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1533ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1534ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1535ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1536ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1537ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1538ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1539ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1540ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1541ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1542d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1543ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1544ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1545dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin ConsumeToken(); // consume dynamic 1546424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1547424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 1548a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.CodeCompleteObjCPropertyDefinition(getCurScope()); 15497d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 15507d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return 0; 1551424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1552424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1553424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1554424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Diag(Tok, diag::err_expected_ident); 1555424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 1556d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1557424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1558424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1559c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1560c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1561a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, false, 1562a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, 0, SourceLocation()); 1563c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1564df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1565ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1566ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1567ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1568e6bf90aec0044342ffccd13201b8a3a31a985a4bDouglas Gregor ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@dynamic"); 1569d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1570ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1572397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1573397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1574397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 157560d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 157660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res; 1577397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1578df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 157939f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 15800e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1581397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 158243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1583397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1584397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 158502418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek // consume ';' 158602418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@throw"); 15879ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtThrowStmt(atLoc, Res.take(), getCurScope()); 1588397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1589397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1590c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 159178a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1592c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 159360d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult 159443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1595fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1596fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 15971ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 159843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1599fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 160007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 160107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // The operand is surrounded with parentheses. 1602fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 160307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ExprResult operand(ParseExpression()); 160407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 160507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (Tok.is(tok::r_paren)) { 160607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ConsumeParen(); // ')' 160707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall } else { 160807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 160907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_rparen); 161007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 161107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Skip forward until we see a left brace, but don't consume it. 161207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall SkipUntil(tok::l_brace, true, true); 1613fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 161407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 161507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Require a compound statement. 161678a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 161707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 161807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall Diag(Tok, diag::err_expected_lbrace); 161943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 162078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 16213ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 162207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Check the @synchronized operand now. 162307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (!operand.isInvalid()) 162407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall operand = Actions.ActOnObjCAtSynchronizedOperand(atLoc, operand.take()); 162507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 162607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // Parse the compound statement within a new scope. 162707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall ParseScope bodyScope(this, Scope::DeclScope); 162807524039dce5c820f111a1b3f772b4261f004b4aJohn McCall StmtResult body(ParseCompoundStatementBody()); 162907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall bodyScope.Exit(); 163007524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 163107524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // If there was a semantic or parse error earlier with the 163207524039dce5c820f111a1b3f772b4261f004b4aJohn McCall // operand, fail now. 163307524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (operand.isInvalid()) 163407524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return StmtError(); 163507524039dce5c820f111a1b3f772b4261f004b4aJohn McCall 163607524039dce5c820f111a1b3f772b4261f004b4aJohn McCall if (body.isInvalid()) 163707524039dce5c820f111a1b3f772b4261f004b4aJohn McCall body = Actions.ActOnNullStmt(Tok.getLocation()); 16380e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 163907524039dce5c820f111a1b3f772b4261f004b4aJohn McCall return Actions.ActOnObjCAtSynchronizedStmt(atLoc, operand.get(), body.get()); 1640c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1641c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1642397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1643397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1644397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1645397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1646397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1647397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1648397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1649397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1650397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1651397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1652397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 165360d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1654397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 165543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1656397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1657df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 16581ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 165943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1660397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 16618f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor StmtVector CatchStmts(Actions); 166260d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyStmt; 16638935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 166460d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult TryBody(ParseCompoundStatementBody()); 16658935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 16660e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1667bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1668a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1669df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 16706b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 16716b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 16726b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 16736b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 16746b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 16756b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 16766b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 16770e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1678161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1679cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1680d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *FirstPart = 0; 16813b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1682df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1683397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1684e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1685df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 16860b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 1687397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 168817b6399f8461c5b7e1c6f367b0a0dde49f921240Argyrios Kyrtzidis Declarator ParmDecl(DS, Declarator::ObjCCatchContext); 16897ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 16907ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 16914e6c0d19b7c072758922cf80525a81aeefc6e64bDouglas Gregor // Inform the actions module about the declarator, so it 16927ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 169323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor FirstPart = Actions.ActOnObjCExceptionDecl(getCurScope(), ParmDecl); 169464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1695397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 16961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 169793a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 16981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 169993a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 170093a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 170193a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 170293a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 170393a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 170460d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult CatchBody(true); 1705c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1706c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1707c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1708c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 17090e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 17103b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 17118f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 171260d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Catch = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 17138f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor RParenLoc, 17148f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor FirstPart, 17159ae2f076ca5ab1feb3ba95629099ec2319833701John McCall CatchBody.take()); 17168f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (!Catch.isInvalid()) 17178f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor CatchStmts.push_back(Catch.release()); 17188f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 171964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 17201ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 17211ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 172243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1723397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1724397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 17256b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 17266b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 172764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 17288935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 17290e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 173060d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyBody(true); 1731c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1732c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1733c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1734c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 17350e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1736161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 17370e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 17389ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyBody.take()); 1739397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1740397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1741397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1742397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1743bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1744397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 174543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1746bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 17478f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 17489ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.take(), 17498f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor move_arg(CatchStmts), 17509ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyStmt.take()); 1751397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1752ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1753f85e193739c953358c865005855253af4f68a497John McCall/// objc-autoreleasepool-statement: 1754f85e193739c953358c865005855253af4f68a497John McCall/// @autoreleasepool compound-statement 1755f85e193739c953358c865005855253af4f68a497John McCall/// 1756f85e193739c953358c865005855253af4f68a497John McCallStmtResult 1757f85e193739c953358c865005855253af4f68a497John McCallParser::ParseObjCAutoreleasePoolStmt(SourceLocation atLoc) { 1758f85e193739c953358c865005855253af4f68a497John McCall ConsumeToken(); // consume autoreleasepool 1759f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isNot(tok::l_brace)) { 1760f85e193739c953358c865005855253af4f68a497John McCall Diag(Tok, diag::err_expected_lbrace); 1761f85e193739c953358c865005855253af4f68a497John McCall return StmtError(); 1762f85e193739c953358c865005855253af4f68a497John McCall } 1763f85e193739c953358c865005855253af4f68a497John McCall // Enter a scope to hold everything within the compound stmt. Compound 1764f85e193739c953358c865005855253af4f68a497John McCall // statements can always hold declarations. 1765f85e193739c953358c865005855253af4f68a497John McCall ParseScope BodyScope(this, Scope::DeclScope); 1766f85e193739c953358c865005855253af4f68a497John McCall 1767f85e193739c953358c865005855253af4f68a497John McCall StmtResult AutoreleasePoolBody(ParseCompoundStatementBody()); 1768f85e193739c953358c865005855253af4f68a497John McCall 1769f85e193739c953358c865005855253af4f68a497John McCall BodyScope.Exit(); 1770f85e193739c953358c865005855253af4f68a497John McCall if (AutoreleasePoolBody.isInvalid()) 1771f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody = Actions.ActOnNullStmt(Tok.getLocation()); 1772f85e193739c953358c865005855253af4f68a497John McCall return Actions.ActOnObjCAutoreleasePoolStmt(atLoc, 1773f85e193739c953358c865005855253af4f68a497John McCall AutoreleasePoolBody.take()); 1774f85e193739c953358c865005855253af4f68a497John McCall} 1775f85e193739c953358c865005855253af4f68a497John McCall 17763536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1777ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1778d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDefinition() { 1779a28948f34817476d02412fa204cae038e228c827Fariborz Jahanian Decl *MDecl = ParseObjCMethodPrototype(); 17801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1781f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, MDecl, Tok.getLocation(), 1782f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing Objective-C method"); 17831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1784ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1785209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1786496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek if (ObjCImpDecl) { 1787496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 1788849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1789496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 1790ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1791209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1792ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1793409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1794df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1795da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 17961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1797409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1798409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 17991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1800409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1801409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1802d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1803ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1804140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Allow the rest of sema to find private method decl implementations. 1805140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (MDecl) 1806140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Actions.AddAnyMethodToGlobalPool(MDecl); 1807140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 1808140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Consume the tokens and store them for later parsing. 1809140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian LexedMethod* LM = new LexedMethod(this, MDecl); 1810140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian LateParsedObjCMethods.push_back(LM); 1811140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian CachedTokens &Toks = LM->Toks; 1812140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Begin by storing the '{' token. 1813140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Toks.push_back(Tok); 1814140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ConsumeBrace(); 1815140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Consume everything up to (and including) the matching right brace. 1816140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ConsumeAndStoreUntil(tok::r_brace, Toks, /*StopAtSemi=*/false); 181771c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 18185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18195508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 182060d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 18219a0c85e640a08174569a303db22981612f05d385Douglas Gregor if (Tok.is(tok::code_completion)) { 182223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtStatement(getCurScope()); 18237d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 18249a0c85e640a08174569a303db22981612f05d385Douglas Gregor return StmtError(); 18255d8031687d086701b4dadaab3e0de1def448da9dChris Lattner } 18265d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 18275d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_try)) 18286b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 18295d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 18305d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_throw)) 183164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 18325d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 18335d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 183464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 1835f85e193739c953358c865005855253af4f68a497John McCall 1836f85e193739c953358c865005855253af4f68a497John McCall if (Tok.isObjCAtKeyword(tok::objc_autoreleasepool)) 1837f85e193739c953358c865005855253af4f68a497John McCall return ParseObjCAutoreleasePoolStmt(AtLoc); 18385d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 183960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 18400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 184164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 184264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 184364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 184464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 184543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 184664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 18475d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 184864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 18499ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); 18509ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnExprStmt(Actions.MakeFullExpr(Res.take())); 185164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 185264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 185360d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 18545508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 18559a0c85e640a08174569a303db22981612f05d385Douglas Gregor case tok::code_completion: 185623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtExpression(getCurScope()); 18577d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 18589a0c85e640a08174569a303db22981612f05d385Douglas Gregor return ExprError(); 18599a0c85e640a08174569a303db22981612f05d385Douglas Gregor 1860b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1861b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 18621d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1863b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 18644fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 18651d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 18662f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 18674fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 18684fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 18691d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 18704fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 18711d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 18724fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 18731d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 18744fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 18751d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 18764fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 18775508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 18785508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 18795508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 18806aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brirg Parse the receiver of an Objective-C++ message send. 18816aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18826aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// This routine parses the receiver of a message send in 18836aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// Objective-C++ either as a type or as an expression. Note that this 18846aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// routine must not be called to parse a send to 'super', since it 18856aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// has no way to return such a result. 18866aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18876aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param IsExpr Whether the receiver was parsed as an expression. 18886aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18896aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param TypeOrExpr If the receiver was parsed as an expression (\c 18906aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// IsExpr is true), the parsed expression. If the receiver was parsed 18916aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// as a type (\c IsExpr is false), the parsed type. 18926aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18936aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \returns True if an error occurred during parsing or semantic 18946aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// analysis, in which case the arguments do not have valid 18956aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// values. Otherwise, returns false for a successful parse. 18966aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18976aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// objc-receiver: [C++] 18986aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 'super' [not parsed here] 18996aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// expression 19006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier 19016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// typename-specifier 19026aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr) { 19030fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 19040fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 19056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 19066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope)) 19076aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TryAnnotateTypeOrScopeToken(); 19086aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19096aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!isCXXSimpleTypeSpecifier()) { 19106aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 19116aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression 191260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseExpression(); 19136aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 19146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 19156aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 19176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 19186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 19196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 19206aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19216aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 19226aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier 19236aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier 19246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression (that starts with one of the above) 19250b7e678a11ece4288dc01aebb5b17e5eef8f8d2dJohn McCall DeclSpec DS(AttrFactory); 19266aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor ParseCXXSimpleTypeSpecifier(DS); 19276aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19286aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::l_paren)) { 19296aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // If we see an opening parentheses at this point, we are 19306aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // actually parsing an expression that starts with a 19316aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // function-style cast, e.g., 19326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 19336aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression: 19346aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier ( expression-list [opt] ) 19356aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier ( expression-list [opt] ) 19366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 19376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the remainder of this case, then the (optional) 19386aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression suffix, followed by the (optional) 19396aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // right-hand side of the binary expression. We have an 19406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // instance method. 194160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseCXXTypeConstructExpression(DS); 19426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 19439ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParsePostfixExpressionSuffix(Receiver.take()); 19446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 19459ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParseRHSOfBinaryExpression(Receiver.take(), prec::Comma); 19466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 19476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 19486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 19506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 19516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 19526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 19536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We have a class message. Turn the simple-type-specifier or 19556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier we parsed into a type and parse the 19566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // remainder of the class message. 19576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 195823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult Type = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 19596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Type.isInvalid()) 19606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 19616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = false; 1963b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TypeOrExpr = Type.get().getAsOpaquePtr(); 19646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 19656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 19666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19671b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// \brief Determine whether the parser is currently referring to a an 19681b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// Objective-C message send, using a simplified heuristic to avoid overhead. 19691b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// 19701b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// This routine will only return true for a subset of valid message-send 19711b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// expressions. 19721b730e847ded503f2e615154035c083c4f94a067Douglas Gregorbool Parser::isSimpleObjCMessageExpression() { 1973c59cb38810c63a806270385f79ea84e0203754eaChris Lattner assert(Tok.is(tok::l_square) && getLang().ObjC1 && 19741b730e847ded503f2e615154035c083c4f94a067Douglas Gregor "Incorrect start for isSimpleObjCMessageExpression"); 19751b730e847ded503f2e615154035c083c4f94a067Douglas Gregor return GetLookAheadToken(1).is(tok::identifier) && 19761b730e847ded503f2e615154035c083c4f94a067Douglas Gregor GetLookAheadToken(2).is(tok::identifier); 19771b730e847ded503f2e615154035c083c4f94a067Douglas Gregor} 19781b730e847ded503f2e615154035c083c4f94a067Douglas Gregor 19799497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregorbool Parser::isStartOfObjCClassMessageMissingOpenBracket() { 19809497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!getLang().ObjC1 || !NextToken().is(tok::identifier) || 19819497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor InMessageExpression) 19829497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19839497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19849497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19859497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor ParsedType Type; 19869497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19879497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::annot_typename)) 19889497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = getTypeAnnotation(Tok); 19899497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else if (Tok.is(tok::identifier)) 19909497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = Actions.getTypeName(*Tok.getIdentifierInfo(), Tok.getLocation(), 19919497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor getCurScope()); 19929497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else 19939497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19949497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19959497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!Type.get().isNull() && Type.get()->isObjCObjectOrInterfaceType()) { 19969497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor const Token &AfterNext = GetLookAheadToken(2); 19979497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (AfterNext.is(tok::colon) || AfterNext.is(tok::r_square)) { 19989497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::identifier)) 19999497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor TryAnnotateTypeOrScopeToken(); 20009497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 20019497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return Tok.is(tok::annot_typename); 20029497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 20039497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 20049497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 20059497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 20069497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor} 20079497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 20081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 20090ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 20100ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 20112725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// objc-receiver: [C] 2012eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner/// 'super' 20130ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 20140ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 20150ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 20166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 201760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCMessageExpression() { 2018699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 2019699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 2020699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 20218e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor if (Tok.is(tok::code_completion)) { 202223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMessageReceiver(getCurScope()); 20237d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 20248e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor return ExprError(); 20258e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor } 20268e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor 20270fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 20280fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 20296aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (getLang().CPlusPlus) { 20306aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We completely separate the C and C++ cases because C++ requires 20316aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // more complicated (read: slower) parsing. 20326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20336aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Handle send to super. 20346aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: This doesn't benefit from the same typo-correction we 20356aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // get in Objective-C. 20366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) && Tok.getIdentifierInfo() == Ident_super && 203723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor NextToken().isNot(tok::period) && getCurScope()->isInObjcMethodScope()) 2038b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2039b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 20406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the receiver, which is either a type or an expression. 20426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool IsExpr; 2043304b752a450c0fc5968c20ba25446d0bb7c6f68dNick Lewycky void *TypeOrExpr = NULL; 20446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) { 20456aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor SkipUntil(tok::r_square); 20466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ExprError(); 20476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 20486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (IsExpr) 2050b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2051b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 20529ae2f076ca5ab1feb3ba95629099ec2319833701John McCall static_cast<Expr*>(TypeOrExpr)); 20536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 20546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2055b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType::getFromOpaquePtr(TypeOrExpr), 2056b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 0); 2057c59cb38810c63a806270385f79ea84e0203754eaChris Lattner } 2058c59cb38810c63a806270385f79ea84e0203754eaChris Lattner 2059c59cb38810c63a806270385f79ea84e0203754eaChris Lattner if (Tok.is(tok::identifier)) { 20601dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 20611dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor SourceLocation NameLoc = Tok.getLocation(); 2062b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType; 206323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor switch (Actions.getObjCMessageKind(getCurScope(), Name, NameLoc, 20641dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor Name == Ident_super, 20651569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor NextToken().is(tok::period), 20661569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ReceiverType)) { 2067f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCSuperMessage: 2068b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 2069b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 20702725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 2071f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCClassMessage: 20721569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor if (!ReceiverType) { 20732725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SkipUntil(tok::r_square); 20742725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor return ExprError(); 20752725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor } 20762725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 20771569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ConsumeToken(); // the type name 20781569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor 20791569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 20809ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ReceiverType, 0); 20811dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor 2082f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCInstanceMessage: 20832725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor // Fall through to parse an expression. 20841dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor break; 2085d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 2086699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 2087eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner 2088eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner // Otherwise, an arbitrary expression can be the receiver of a send. 208960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpression()); 20900e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 20915c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 20921d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 2093699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 20941d922960e083906a586609ac6978678147250177Sebastian Redl 2095b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2096b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), Res.take()); 2097699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 20981d922960e083906a586609ac6978678147250177Sebastian Redl 20992725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \brief Parse the remainder of an Objective-C message following the 21002725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// '[' objc-receiver. 21012725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 21022725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// This routine handles sends to super, class messages (sent to a 21032725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class name), and instance messages (sent to an object), and the 21042725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// target is represented by \p SuperLoc, \p ReceiverType, or \p 21052725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// ReceiverExpr, respectively. Only one of these parameters may have 21062725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// a valid value. 21072725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 21082725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param LBracLoc The location of the opening '['. 21092725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 21102725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param SuperLoc If this is a send to 'super', the location of the 21112725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 'super' keyword that indicates a send to the superclass. 21122725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 21132725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverType If this is a class message, the type of the 21142725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class we are sending a message to. 21152725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 21162725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverExpr If this is an instance message, the expression 21172725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// used to compute the receiver object. 21181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 21190ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 21200ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 21210ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 21220ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21230ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 21240ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 21250ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 21260ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 21280ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 21290ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21300ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 21310ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 21320ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 21330ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 21340ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 21350ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 21361d922960e083906a586609ac6978678147250177Sebastian Redl/// 213760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2138699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 21392725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation SuperLoc, 2140b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, 21411d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 21420fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 21430fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 2144c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 21452725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 214670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 0, 0, 214770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 21482725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 214970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 0, 0, 215070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 2151c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 21529ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 215370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 0, 0, false); 21547d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 21557d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis return ExprError(); 2156c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 2157d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 2158a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 21594b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 21602fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 216168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2162ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson SourceLocation SelectorLoc = Loc; 21631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21645f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2165a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 216668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2167df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 2168a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 2169a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 217068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 217137387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 2172df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 2173a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 21744fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21754fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21764fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21774fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21781d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2179a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 21801d922960e083906a586609ac6978678147250177Sebastian Redl 218168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 21821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 218370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 218470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (Tok.is(tok::code_completion)) { 218570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (SuperLoc.isValid()) 218670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 218770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 218870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 218970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 219070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else if (ReceiverType) 219170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 219270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 219370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 219470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 219570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else 219670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 219770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 219870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 219970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 220070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 22017d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 220270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 220370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor } 220470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 220560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 22060e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 22074fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 22084fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 22094fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 22104fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 22111d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 221237387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 22131d922960e083906a586609ac6978678147250177Sebastian Redl 221437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 2215effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 22161d922960e083906a586609ac6978678147250177Sebastian Redl 2217d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor // Code completion after each argument. 2218d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (Tok.is(tok::code_completion)) { 22192725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 222023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 22212725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor KeyIdents.data(), 222270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 222370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 22242725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 222523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2226d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 222770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 222870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2229d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor else 22309ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2231d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 223270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 223370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 22347d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 223570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 2236d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor } 2237d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 223837387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 22392fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 2240df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 2241a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 2242a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 2243a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2244a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 2245df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 224649f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 22471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 224860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 22490e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 22504fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 22514fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 22524fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 22534fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 22541d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 225549f109c786f99eb7468dac3976db083a65493444Steve Naroff } 22560e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 225749f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 2258effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 2259a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2260a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 2261a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 22621d922960e083906a586609ac6978678147250177Sebastian Redl 22634fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 22644fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 22654fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 22664fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 22671d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2268a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2269809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian 2270df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 2271809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian if (Tok.is(tok::identifier)) 2272809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_colon); 2273809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian else 2274809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 22754fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 22764fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 22774fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 22784fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 22791d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2280a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 22811d922960e083906a586609ac6978678147250177Sebastian Redl 2282699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 22831d922960e083906a586609ac6978678147250177Sebastian Redl 228429238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 2285ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 2286ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 2287ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 22881d922960e083906a586609ac6978678147250177Sebastian Redl 22892725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 229023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnSuperMessage(getCurScope(), SuperLoc, Sel, 22912725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2292f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2293f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2294f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22952725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 229623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnClassMessage(getCurScope(), ReceiverType, Sel, 22972725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2298f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2299f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2300f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 23019ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnInstanceMessage(getCurScope(), ReceiverExpr, Sel, 23022725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2303f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2304f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2305f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 23060ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 23070ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 230860d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 230960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseStringLiteralExpression()); 23101d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 23111d922960e083906a586609ac6978678147250177Sebastian Redl 2312b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 2313b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 2314b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 23155f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<SourceLocation, 4> AtLocs; 2316a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 2317b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 2318effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 23190e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2320b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 2321b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 2322b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 232315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 232497cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 232597cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 2326b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 232760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Lit(ParseStringLiteralExpression()); 23280e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 23291d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 23300e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2331effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 2332b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 23331d922960e083906a586609ac6978678147250177Sebastian Redl 23341d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 23351d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 23365508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 2337f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 2338f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 2339f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 234060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 23411d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 2342861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 23431d922960e083906a586609ac6978678147250177Sebastian Redl 2344f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 23451d922960e083906a586609ac6978678147250177Sebastian Redl 23464fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 23471d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 23481d922960e083906a586609ac6978678147250177Sebastian Redl 2349f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 23501d922960e083906a586609ac6978678147250177Sebastian Redl 2351809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 23521d922960e083906a586609ac6978678147250177Sebastian Redl 23534988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 23541d922960e083906a586609ac6978678147250177Sebastian Redl 2355809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2356809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2357809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, 2359809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc)); 2360f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 236129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 236229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 236329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 236460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 23651d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 236629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 23671d922960e083906a586609ac6978678147250177Sebastian Redl 23684fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 23691d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 23701d922960e083906a586609ac6978678147250177Sebastian Redl 237129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 23721d922960e083906a586609ac6978678147250177Sebastian Redl 23734fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 23741d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 23751d922960e083906a586609ac6978678147250177Sebastian Redl 2376390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 237729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 23781d922960e083906a586609ac6978678147250177Sebastian Redl 23794988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 238029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 23811d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 23821d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 238329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 2384a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 2385a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 2386a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 238760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 2388a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 23891d922960e083906a586609ac6978678147250177Sebastian Redl 23904fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 23911d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 23921d922960e083906a586609ac6978678147250177Sebastian Redl 23935f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<IdentifierInfo *, 12> KeyIdents; 2394a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 2395a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 2396458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2397458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2398458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2399458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 24007d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2401458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2402458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2403458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 24042fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 24055add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (!SelIdent && // missing selector name. 24065add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 24071d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 24081d922960e083906a586609ac6978678147250177Sebastian Redl 2409b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2410887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 2411887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 2412a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 24135add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (Tok.is(tok::coloncolon)) { // Handle :: in C++. 24145add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 24155add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner KeyIdents.push_back(0); 24165add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner } else if (Tok.isNot(tok::colon)) 24171d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 24181d922960e083906a586609ac6978678147250177Sebastian Redl 24195add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 24203b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner ConsumeToken(); // Eat the ':' or '::'. 2421a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 2422a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2423458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2424458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2425458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2426458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 24277d100872341f233c81e1d7b72b40457e62c36862Argyrios Kyrtzidis cutOffParsing(); 2428458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2429458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2430458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2431a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 2432a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 24332fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 2434b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 24353b3e1a9e79703da067d23756e5624a4f487d6278Chris Lattner if (!SelIdent && Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 2436a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2437a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 2438887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 2439a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 2440887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 24411d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 24421d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 244358065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 2444140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2445140ab234c23f392d5422691c5de1ee3c15026defFariborz JahanianDecl *Parser::ParseLexedObjCMethodDefs(LexedMethod &LM) { 2446140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2447140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian assert(!LM.Toks.empty() && "ParseLexedObjCMethodDef - Empty body!"); 2448140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Append the current token at the end of the new token stream so that it 2449140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // doesn't get lost. 2450140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian LM.Toks.push_back(Tok); 2451140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian PP.EnterTokenStream(LM.Toks.data(), LM.Toks.size(), true, false); 2452140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2453140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // MDecl might be null due to error in method prototype, etc. 2454140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Decl *MDecl = LM.D; 2455140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Consume the previously pushed token. 2456140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ConsumeAnyToken(); 2457140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2458140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian assert(Tok.is(tok::l_brace) && "Inline objective-c method not starting with '{'"); 2459140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian SourceLocation BraceLoc = Tok.getLocation(); 2460140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Enter a scope for the method body. 2461140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian ParseScope BodyScope(this, 2462140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Scope::ObjCMethodScope|Scope::FnScope|Scope::DeclScope); 2463140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2464140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Tell the actions module that we have entered a method definition with the 2465140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // specified Declarator for the method. 2466140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian Actions.ActOnStartOfObjCMethodDef(getCurScope(), MDecl); 2467140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2468140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (PP.isCodeCompletionEnabled()) { 2469140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (trySkippingFunctionBodyForCodeCompletion()) { 2470140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian BodyScope.Exit(); 2471140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return Actions.ActOnFinishFunctionBody(MDecl, 0); 2472140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian } 2473140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian } 2474140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2475140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian StmtResult FnBody(ParseCompoundStatementBody()); 2476140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2477140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // If the function body could not be parsed, make a bogus compoundstmt. 2478140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian if (FnBody.isInvalid()) 2479140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 2480140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian MultiStmtArg(Actions), false); 2481140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2482140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian // Leave the function body scope. 2483140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian BodyScope.Exit(); 2484140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian 2485140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian return Actions.ActOnFinishFunctionBody(MDecl, FnBody.take()); 2486140ab234c23f392d5422691c5de1ee3c15026defFariborz Jahanian} 2487