ParseObjc.cpp revision 43bc2a0973ffe404fabba6f8280cd6bad2c69fcb
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 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Parse/Parser.h" 154985aceceb9b9261b876b515d32726175c13a775Steve Naroff#include "clang/Parse/DeclSpec.h" 163b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian#include "clang/Parse/Scope.h" 17a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl#include "AstGuard.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/Diagnostic.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23891dca671a80c865c6def7259f170ba785e4faaaChris Lattner/// ParseObjCAtDirectives - Handle parts of the external-declaration production: 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 2691fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 2791fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 2891fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 2991fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 3091fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 31dac269b65eed82182fc3e96566dedd6562dfe11eSteve NaroffParser::DeclTy *Parser::ParseObjCAtDirectives() { 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 34861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 355ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 365ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 375ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_interface: 385ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtInterfaceDeclaration(AtLoc); 395ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_protocol: 405ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtProtocolDeclaration(AtLoc); 415ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 425ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtImplementationDeclaration(AtLoc); 435ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 445ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtEndDeclaration(AtLoc); 455ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 465ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtAliasDeclaration(AtLoc); 475ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 485ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertySynthesize(AtLoc); 495ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 505ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertyDynamic(AtLoc); 515ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 525ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 535ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 545ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return 0; 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// objc-class-declaration: 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 62dac269b65eed82182fc3e96566dedd6562dfe11eSteve NaroffParser::DeclTy *Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<IdentifierInfo *, 8> ClassNames; 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 67df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 70dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 75df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 83dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 85e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardClassDeclaration(atLoc, 863536b443bc50d58a79f14fca9b6842541a434854Steve Naroff &ClassNames[0], ClassNames.size()); 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 89dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 90dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 91dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 92dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 93dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 94dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 95dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '@' 'interface' identifier objc-superclass[opt] 96dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 97dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 98dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 99dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 100dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 101dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 102dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '@' 'interface' identifier '(' identifier[opt] ')' 103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 105dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 107dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 109dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 111dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 116dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve NaroffParser::DeclTy *Parser::ParseObjCAtInterfaceDeclaration( 118dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation atLoc, AttributeList *attrList) { 119861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 122dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 123df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 125dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 127dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1287ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 129dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 130dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 131df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { // we have a category. 132dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation lparenLoc = ConsumeParen(); 133dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 134dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 135dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 136527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 137df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 138dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 139dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 140527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff } else if (!getLang().ObjC2) { 141527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 142527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff return 0; 143dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 144df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 145dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_rparen); 146dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::r_paren, false); // don't stop at ';' 147dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 149dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 1506bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner 151dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 1526bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner SourceLocation EndProtoLoc; 1536bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner llvm::SmallVector<DeclTy *, 8> ProtocolRefs; 1546bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner if (Tok.is(tok::less) && 1556bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 1566bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner return 0; 1576bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner 158dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff if (attrList) // categories don't support attributes. 159dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_objc_no_attributes_on_category); 160dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 161e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *CategoryType = Actions.ActOnStartCategoryInterface(atLoc, 1623a165b066e665870c163af64844073a664c042d0Steve Naroff nameId, nameLoc, categoryId, categoryLoc, 163423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff &ProtocolRefs[0], ProtocolRefs.size(), 1646bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner EndProtoLoc); 165fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian 166fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); 167bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return CategoryType; 168dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 169dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 170dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 171dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 1727ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 173df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 175df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 177dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff return 0; 178dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 179dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 180dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 181dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 182dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 18306036d3709955a53297b4cbe14e20db88f321470Chris Lattner llvm::SmallVector<Action::DeclTy*, 8> ProtocolRefs; 18406036d3709955a53297b4cbe14e20db88f321470Chris Lattner SourceLocation EndProtoLoc; 18506036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 18606036d3709955a53297b4cbe14e20db88f321470Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 18706036d3709955a53297b4cbe14e20db88f321470Chris Lattner return 0; 18806036d3709955a53297b4cbe14e20db88f321470Chris Lattner 18906036d3709955a53297b4cbe14e20db88f321470Chris Lattner DeclTy *ClsType = 19006036d3709955a53297b4cbe14e20db88f321470Chris Lattner Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 19106036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 19206036d3709955a53297b4cbe14e20db88f321470Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 19306036d3709955a53297b4cbe14e20db88f321470Chris Lattner EndProtoLoc, attrList); 194f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 195df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 19660fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ClsType, atLoc); 197dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 19825e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 199bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ClsType; 200dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 201dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 2024d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar/// constructSetterName - Return the setter name for the given 2034d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar/// identifier, i.e. "set" + Name where the initial character of Name 2044d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar/// has been capitalized. 2054d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbarstatic IdentifierInfo *constructSetterName(IdentifierTable &Idents, 2064d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar const IdentifierInfo *Name) { 207edc66f3ab000f54e0e03c5840d7b54e9bf8615cbChris Lattner llvm::SmallString<100> SelectorName; 20869d27b9f2e1c678b6b8a199fa3f705f2b3ff5e0dChris Lattner SelectorName = "set"; 209edc66f3ab000f54e0e03c5840d7b54e9bf8615cbChris Lattner SelectorName.append(Name->getName(), Name->getName()+Name->getLength()); 2104d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar SelectorName[3] = toupper(SelectorName[3]); 211edc66f3ab000f54e0e03c5840d7b54e9bf8615cbChris Lattner return &Idents.get(&SelectorName[0], &SelectorName[SelectorName.size()]); 2124d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar} 2134d7da2f4a39adcc2ea211fb30600fabde4f3a0b1Daniel Dunbar 214dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 215dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 216dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 217294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 2183536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 219dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 220dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 221dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 222294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 223294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 224294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 225294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 22625e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanianvoid Parser::ParseObjCInterfaceDeclList(DeclTy *interfaceDecl, 227cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 2288a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek llvm::SmallVector<DeclTy*, 32> allMethods; 22982a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian llvm::SmallVector<DeclTy*, 16> allProperties; 23000933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 23160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 232bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner SourceLocation AtEndLoc; 233bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 234294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 235e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 236df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 237df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner DeclTy *methodPrototype = 238df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 23925e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 2403536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 2413536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 242d16245b6d48c6b4e7bbd40713aed6565b882746dSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after,"method proto"); 243294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 244294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 245f366b4c84485b646c30d6891a249ad6f65abef7cFariborz Jahanian 246e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 247e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 248294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 249e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 250e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 251e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 252bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 253e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 254e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 255e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 256e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 257e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 2584985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 2594985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 2603536b443bc50d58a79f14fca9b6842541a434854Steve Naroff ParseDeclarationOrFunctionDefinition(); 261e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 262e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 263e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 264e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 265e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 266a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 267e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 268a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 269e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner AtEndLoc = AtLoc; 270e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 271bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 272e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 273bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 274bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 275bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 276a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 277a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 278bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 279bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 280bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 281bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 282f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 283bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 284a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 285a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 286a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner 287a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 288a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 289a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 290bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 291e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 292bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 293a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 294bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 295a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 296a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner 297a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 298f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 299f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_propertoes_require_objc2); 300f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 301e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 302e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse property attribute list, if any. 3038ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 304e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseObjCPropertyAttribute(OCDS); 305dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner 306e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 307e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclSpec DS; 308e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 309e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseStructDeclaration(DS, FieldDeclarators); 310e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner 311a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", 312a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner tok::at); 313a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner 314e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Convert them all to property declarations. 315e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 316e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 317da3253d8a97981257185c89ced71ce137278b121Chris Lattner if (FD.D.getIdentifier() == 0) { 318ef708fd4abccf4d21b1f82ab2ab62f6ae7cc1265Chris Lattner Diag(AtLoc, diag::err_objc_property_requires_field_name) 319ef708fd4abccf4d21b1f82ab2ab62f6ae7cc1265Chris Lattner << FD.D.getSourceRange(); 320da3253d8a97981257185c89ced71ce137278b121Chris Lattner continue; 321da3253d8a97981257185c89ced71ce137278b121Chris Lattner } 322da3253d8a97981257185c89ced71ce137278b121Chris Lattner 323e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Install the property declarator into interfaceDecl. 324da3253d8a97981257185c89ced71ce137278b121Chris Lattner IdentifierInfo *SelName = 325da3253d8a97981257185c89ced71ce137278b121Chris Lattner OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 326da3253d8a97981257185c89ced71ce137278b121Chris Lattner 327e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner Selector GetterSel = 328da3253d8a97981257185c89ced71ce137278b121Chris Lattner PP.getSelectorTable().getNullarySelector(SelName); 329e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner IdentifierInfo *SetterName = OCDS.getSetterName(); 330e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (!SetterName) 331e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SetterName = constructSetterName(PP.getIdentifierTable(), 332e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner FD.D.getIdentifier()); 333e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner Selector SetterSel = 334e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner PP.getSelectorTable().getUnarySelector(SetterName); 3358cf0bb3c2a798ce3acacaac2d3178648cd4c65c6Fariborz Jahanian bool isOverridingProperty = false; 336da3253d8a97981257185c89ced71ce137278b121Chris Lattner DeclTy *Property = Actions.ActOnProperty(CurScope, AtLoc, FD, OCDS, 337da3253d8a97981257185c89ced71ce137278b121Chris Lattner GetterSel, SetterSel, 3388cf0bb3c2a798ce3acacaac2d3178648cd4c65c6Fariborz Jahanian interfaceDecl, 3398cf0bb3c2a798ce3acacaac2d3178648cd4c65c6Fariborz Jahanian &isOverridingProperty, 340da3253d8a97981257185c89ced71ce137278b121Chris Lattner MethodImplKind); 3418cf0bb3c2a798ce3acacaac2d3178648cd4c65c6Fariborz Jahanian if (!isOverridingProperty) 3428cf0bb3c2a798ce3acacaac2d3178648cd4c65c6Fariborz Jahanian allProperties.push_back(Property); 343e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 344a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 345f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 346294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 347bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 348bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 349bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 350bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_end)) 351bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 352bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 353bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 354bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 355a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 356bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 3578a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, 3588a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.empty() ? 0 : &allMethods[0], 3598a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allMethods.size(), 3608a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.empty() ? 0 : &allProperties[0], 3618a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek allProperties.size()); 362294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 363294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 364d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 365d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 366d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 367d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 368d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 369d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 370d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 371d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 372d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 373d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 374d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 375d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 376d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 377d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 378d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 379d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 3807caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnervoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 3818ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 382dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 383dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner 384cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 385d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 386f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 387f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 388f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 389f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 390f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 391f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 392f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 393156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 394156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 39592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 396e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 39792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 398e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 39992e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 400e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 40192e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 402e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 40392e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 404e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 40592e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 406e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 40792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 408e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 409156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::equal, diag::err_objc_expected_equal, "", 410156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 411dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 412156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 4138ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.isNot(tok::identifier)) { 4141ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_ident); 4158ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 4168ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4178ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 4188ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner 4195fd80fada1eeecd279af8333a7f58b86d8df8016Chris Lattner if (II->getName()[0] == 's') { 4208ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 4218ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setSetterName(Tok.getIdentifierInfo()); 422156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 423156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 424156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::colon, diag::err_expected_colon, "", 425156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 4268ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4278ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 4288ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 4298ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setGetterName(Tok.getIdentifierInfo()); 430156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 4318ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 432e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 433a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 434cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 435cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 436cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 43782a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 438156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 439156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 440dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner 441156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 442d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 443156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner 444156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 445d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 446d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 4473536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 448ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// objc-instance-method objc-method-decl objc-method-attributes[opt] 4493536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 450294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 451294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 452294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 453294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4544985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 4554985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 4564985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 45700933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz JahanianParser::DeclTy *Parser::ParseObjCMethodPrototype(DeclTy *IDecl, 458cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 459df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 460294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 461294494e1cce92043562b4680c613df7fd028c02eSteve Naroff tok::TokenKind methodType = Tok.getKind(); 462bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 463294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 4641f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl, MethodImplKind); 4653536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 4662bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 467f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 468294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 469294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 470294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 471294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 472294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 473294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 474294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 475294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 476294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 477294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4784b6c9051c6522894978c9ba6a819a659d102db36Fariborz JahanianIdentifierInfo *Parser::ParseObjCSelector(SourceLocation &SelectorLoc) { 479ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 480ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 481ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 482ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 483ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 484ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 4859298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 486ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 487ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 488ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 489ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 490ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 491ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 492ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 493ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 494ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 495ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 496ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 497ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 498ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 499ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 500ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 501ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 502ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 503ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 504ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 505ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 506ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 507ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 508ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 509ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 510ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 511ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 512ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 513ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 514ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 515ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 516ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 517ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 518ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 519ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 520ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 521ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 522ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 523ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 524ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 525ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 526ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 527ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 528ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 529ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 530ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 531ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 532ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 533ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 534ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 535ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 536ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 537ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 538ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 539ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 540ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 541ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 542ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 543ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 544ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 545ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 546ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 547ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 548ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 549ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 550ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 551ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 5524b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 553ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 554d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 555294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 556294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 5570196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 5580196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 559335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 5603ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 5613ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 5623ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 563335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanian return (getLang().ObjC2 && Tok.is(tok::identifier) && 5645ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 5650196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 5660196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 567a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 568e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 569e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 570294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 571294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 572294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 573294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 574294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 575a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { 576e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 577cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 578e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 579e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 580e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 581e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 582a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 583e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 584e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 585a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 586e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 587e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 588a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 589a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 590a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 591a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 592a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 593a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 594e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 595a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 596e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 597e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 598e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 599e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 600e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 601e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 602e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 603e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 604e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 605e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 606e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 607e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 608e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 609e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 610a526c5c67e5a0473c340903ee542ce570119665fTed KremenekParser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { 611df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 612294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6134a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 614e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 615294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 61619d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 617a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParseObjCTypeQualifierList(DS); 6184fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 6194a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner TypeTy *Ty = 0; 6204a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (isTypeSpecifierQualifier()) 621f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff Ty = ParseTypeName(); 622e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 6234a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 6244a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 6254a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 626e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 6271ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 6284a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 6294a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 6304a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 6314a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 6324a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 633294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 634f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 635294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 636294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 637294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 638294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 6394985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 640294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 6414985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 642294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 643294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 6447ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-decl 645294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 646294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 647294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 6487ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 6497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 6507ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 6517ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 652294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6534985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 6544985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 655294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6564985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 6574985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 658294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6594985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 660294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 661294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6627ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 6637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 6647ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 665bef1185418705e16012b3dd50cd7c260c8d6b79cSteve NaroffParser::DeclTy *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 6661f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian tok::TokenKind mType, 6671f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian DeclTy *IDecl, 668cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind MethodImplKind) 66968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff{ 670e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 671ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeTy *ReturnType = 0; 672a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 673df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 674f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ReturnType = ParseObjCTypeName(DSRet); 675e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 676bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 677bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff IdentifierInfo *SelIdent = ParseObjCSelector(selLoc); 678e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 679e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (!SelIdent) { // missing selector name. 6801ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 6811ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 682e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 683e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 684e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner return 0; 685e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 686e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 687df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 688ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 689ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 690df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 691ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 692ff38491c18b060526d754765b952f4a497a89416Chris Lattner 693ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 694bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 6951f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 696f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian 0, 0, 0, MethodAttrs, MethodImplKind); 697ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 698f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 69968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 70068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<Action::TypeTy *, 12> KeyTypes; 701a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCDeclSpec, 12> ArgTypeQuals; 70268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> ArgNames; 703ff38491c18b060526d754765b952f4a497a89416Chris Lattner 704ff38491c18b060526d754765b952f4a497a89416Chris Lattner Action::TypeTy *TypeInfo; 705ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 706ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(SelIdent); 70768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 708ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 709df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 710ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 711ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 712ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 713ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 714a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSType; 715e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type. 716f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian TypeInfo = ParseObjCTypeName(DSType); 717ff38491c18b060526d754765b952f4a497a89416Chris Lattner else 718ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeInfo = 0; 719ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyTypes.push_back(TypeInfo); 720f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ArgTypeQuals.push_back(DSType); 721f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 722ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 723df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 724ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseAttributes(); // FIXME: pass attributes through. 7257ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 726df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 727ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 728ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7294985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 730ff38491c18b060526d754765b952f4a497a89416Chris Lattner ArgNames.push_back(Tok.getIdentifierInfo()); 731ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 732ff38491c18b060526d754765b952f4a497a89416Chris Lattner 733ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 7344b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 7354b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 736df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 737ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 738ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 739ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 740ff38491c18b060526d754765b952f4a497a89416Chris Lattner 741335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 742335eafa5be51f6440672a74c73d588af72e96732Steve Naroff 743ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 744df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 745ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 746df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 747335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 7484985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 749ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7504985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 751335eafa5be51f6440672a74c73d588af72e96732Steve Naroff // FIXME: implement this... 752ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the c-style argument declaration-specifier. 753ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 754ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 755ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the declarator. 756ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 757ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 7584985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 759ff38491c18b060526d754765b952f4a497a89416Chris Lattner 760ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: Add support for optional parmameter list... 761e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 762ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 763df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 764ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 765ff38491c18b060526d754765b952f4a497a89416Chris Lattner 766ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 767ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 768bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7691f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 770f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian &ArgTypeQuals[0], &KeyTypes[0], 771335eafa5be51f6440672a74c73d588af72e96732Steve Naroff &ArgNames[0], MethodAttrs, 772335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 773294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 774294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 775dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 776dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 777dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 7787caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 779e13b9595dc1e2f4288bec34f3412359f648e84a5Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclTy*> &Protocols, 780e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner bool WarnOnDeclarations, SourceLocation &EndLoc) { 781e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 782e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 783e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); // the "<" 784e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 785e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 786e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 787e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 788e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 789e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 790e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 791e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 792e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 793e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 794e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 795e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 796e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 797e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 798e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 799e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 800e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 801e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 802e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 803e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 804e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 805e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 806e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 807e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 808e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 809e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 810e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 811e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 812e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 813e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 814e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 815e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 816e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 817dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 818dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 819dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 820dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 821dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 822dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 823dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 824dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 825dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 826dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 827dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 828dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 829dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 830dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 831dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 832ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 833dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 834dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 835dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// struct-declaration 836dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 83760fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroffvoid Parser::ParseObjCClassInstanceVariables(DeclTy *interfaceDecl, 83860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 839df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 8407d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian llvm::SmallVector<DeclTy*, 32> AllIvarDecls; 841e13594279a952537ac903325efff57e3edca79d9Chris Lattner llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; 842e13594279a952537ac903325efff57e3edca79d9Chris Lattner 843ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 844ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 845aa847fe3c88ee5e8d180e48537c58b805d48d95dFariborz Jahanian tok::ObjCKeywordKind visibility = tok::objc_protected; 846ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 847df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 848ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 849ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff 850ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 851df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 852ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::ext_extra_struct_semi); 853ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 854ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 855ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 856e13594279a952537ac903325efff57e3edca79d9Chris Lattner 857ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 858df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 859ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 860861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 861ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 862ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 863ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 864ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 865861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 866ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 867ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 868ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 869ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 870ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 871ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 872ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 873e13594279a952537ac903325efff57e3edca79d9Chris Lattner 874e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 875e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 876e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarators.clear(); 877e13594279a952537ac903325efff57e3edca79d9Chris Lattner ParseStructDeclaration(DS, FieldDeclarators); 878e13594279a952537ac903325efff57e3edca79d9Chris Lattner 879e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Convert them all to fields. 880e13594279a952537ac903325efff57e3edca79d9Chris Lattner for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { 881e13594279a952537ac903325efff57e3edca79d9Chris Lattner FieldDeclarator &FD = FieldDeclarators[i]; 882e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Install the declarator into interfaceDecl. 8831d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian DeclTy *Field = Actions.ActOnIvar(CurScope, 884e13594279a952537ac903325efff57e3edca79d9Chris Lattner DS.getSourceRange().getBegin(), 8851d78cc443084134428c4c333fab25148900c3ca4Fariborz Jahanian FD.D, FD.BitfieldSize, visibility); 886e13594279a952537ac903325efff57e3edca79d9Chris Lattner AllIvarDecls.push_back(Field); 8877d6402f753916a82d93ef0bf0f703ae4243a52beFariborz Jahanian } 8883536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 889df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 890ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 891ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 892ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 893ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 894ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 895ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 896ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 89760fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 8988749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 8998749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 9008749be53f53384e7846502791ceda6c657228d07Steve Naroff Actions.ActOnFields(CurScope, atLoc, interfaceDecl, 9018749be53f53384e7846502791ceda6c657228d07Steve Naroff &AllIvarDecls[0], AllIvarDecls.size(), 9021bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 903ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 905dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 906dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 907dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 908dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 909dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 910dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 911dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier 912dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 9133536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list 914dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 915dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 916dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 917dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 918dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 919dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 9203536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 921dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 922246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel DunbarParser::DeclTy *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 923246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar AttributeList *attrList) { 924861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 9257ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 9267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 9277ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 928df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9297ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 9307ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9317ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9327ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 9337ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 9347ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 9357ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 936df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 9377caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 9387ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 9397caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1); 9407ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9417caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 942df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 9437caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 9447caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 9457caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 9477ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 9487ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 949df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9507ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 9517ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 9527ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9537ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9547caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 9557caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 9567ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 9577ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 958df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 9597ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 9607ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9617ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 9627ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 9637ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff return 0; 9647caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 965e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 96637e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff &ProtocolRefs[0], 96737e58d104d7756f7c18f525b74e46b8eeec8ef81Steve Naroff ProtocolRefs.size()); 9687caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 9697caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 9707ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 971e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SourceLocation EndProtoLoc; 9727caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 973e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<DeclTy *, 8> ProtocolRefs; 9747caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 975e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) 9767caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner return 0; 97725e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian 978e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner DeclTy *ProtoType = 979e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 980e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolRefs[0], ProtocolRefs.size(), 981246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar EndProtoLoc, attrList); 98225e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 983bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 984dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 985dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 986dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 987dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 988dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 989dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 990dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 991dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 992dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 993dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 994dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 995dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 996dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 997ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtImplementationDeclaration( 998ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 999ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1000ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1001ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 1002ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1003df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1004ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1005ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1006ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1007ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1008ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1009ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 1010ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1011df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1012ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1013ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1014ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1015ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 1016ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1017df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1018ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1019ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1020ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1021ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1022ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1023ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1024df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1025ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1026ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1027ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1028ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1029ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1030e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplCatType = Actions.ActOnStartCategoryImplementation( 10318f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian atLoc, nameId, nameLoc, categoryId, 10328f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1033a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 1034db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 1035ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1036ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1037ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1038ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1039df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1040ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1041ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1042df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1043ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1044ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1045ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1046ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1047ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1048ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1049e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff DeclTy *ImplClsType = Actions.ActOnStartClassImplementation( 1050cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1051ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 1052ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian 105360fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 105460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); 1055a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 1056ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1057db8f3d3bb96c75440f513c43ac73adace2aae5ffFariborz Jahanian return 0; 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 105960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1060ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) { 1061ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1062ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1063ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 106494cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian if (ObjCImpDecl) 1065a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Actions.ActOnAtEnd(atLoc, ObjCImpDecl); 106694cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian else 106794cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian Diag(atLoc, diag::warn_expected_implementation); // missing @implementation 1068a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCImpDecl; 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1070e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1071e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1072e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1073e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1074e992af01d14e2e31037562c123af0a71ae1ed374Fariborz JahanianParser::DeclTy *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1075e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1076e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1077e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1078df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1079e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1080e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1081e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1082243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1083243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1084df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1085e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1086e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian return 0; 1087e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1088243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1089243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1090243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 10911ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@compatibility_alias"; 1092243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return 0; 1093243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1094243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian DeclTy *ClsType = Actions.ActOnCompatiblityAlias(atLoc, 1095243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian aliasId, aliasLoc, 1096243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian classId, classLoc); 1097243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian return ClsType; 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1100ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1101ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1102ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1103ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1104ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1105ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1106ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1107ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1108ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1109ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1110ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1111ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1112ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1113ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1114f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 1115df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1116ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1117ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1118ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1119df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1120f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1121f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1122f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1123df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1124ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1125ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1126df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1127ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1128ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1129ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1130f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1131ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1132ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1133f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, 1134f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1135df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1136ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1137ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1138ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1139df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 11401ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@synthesize"; 1141ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1142ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1143ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1144ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1145ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1146ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1147ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1148ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1149ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1150ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1151ac00b7f4a933e60e2f0afd83092339160adc140cFariborz JahanianParser::DeclTy *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1152ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1153ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1154ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1155df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1156ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1157ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1158ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1159df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1160c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1161c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1162c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, 1163c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1164c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1165df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1166ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1167ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1168ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1169df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 11701ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@dynamic"; 1171ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian return 0; 1172ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1173397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1174397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1175397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1176397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 117743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 117815faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions); 1179397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1180df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 118139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 11820e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1183397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 118443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1185397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1186397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 118739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ConsumeToken(); // consume ';' 118843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return Owned(Actions.ActOnObjCAtThrowStmt(atLoc, Res.release())); 1189397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1190397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1191c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 119278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1193c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 119443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult 119543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1196fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1197fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 11981ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 119943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1200fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1201fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 120215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions, ParseExpression()); 12030e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1204fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 120543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1206fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1207fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 12081ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 120943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1210fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1211fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 121278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 12131ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 121443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 121578a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 12163ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 12173ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 12188935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::DeclScope); 12193ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 122061364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult SynchBody(ParseCompoundStatementBody()); 12210e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 12228935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 12230e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (SynchBody.isInvalid()) 1224fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 122543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return Owned(Actions.ActOnObjCAtSynchronizedStmt(atLoc, Res.release(), 122643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl SynchBody.release())); 1227c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1228c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1229397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1230397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1231397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1232397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1233397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1234397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1235397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1236397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1237397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1238397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1239397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 124043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1241397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 124243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1243397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1244df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 12451ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 124643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1247397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 124815faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchStmts(Actions); 124915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyStmt(Actions); 12508935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 125161364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult TryBody(ParseCompoundStatementBody()); 12528935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 12530e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1254bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1255a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1256df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 12576b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 12586b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 12596b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 12606b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 12616b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 12626b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 12636b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 12640e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1265161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1266cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 126715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FirstPart(Actions); 12683b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1269df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1270397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 12718935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope CatchScope(this, Scope::DeclScope); 1272df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1273397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1274397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 127543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl // For some odd reason, the name of the exception variable is 1276459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff // optional. As a result, we need to use PrototypeContext. 1277459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff Declarator DeclaratorInfo(DS, Declarator::PrototypeContext); 12783b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ParseDeclarator(DeclaratorInfo); 1279459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff if (DeclaratorInfo.getIdentifier()) { 128043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl DeclTy *aBlockVarDecl = Actions.ActOnDeclarator(CurScope, 1281914701ed49f31323176a784b49df05a0d177d1adDaniel Dunbar DeclaratorInfo, 0); 12820e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FirstPart = 128343bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl Actions.ActOnDeclStmt(aBlockVarDecl, 1284459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DS.getSourceRange().getBegin(), 1285459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff DeclaratorInfo.getSourceRange().getEnd()); 1286459a1e2212115f4ff89db7f444df5af41792b18aSteve Naroff } 128764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1288397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 12893b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian SourceLocation RParenLoc = ConsumeParen(); 1290c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner 129115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchBody(Actions, true); 1292c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1293c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1294c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1295c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 12960e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 12973b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 12980e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 1299effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl RParenLoc, FirstPart.release(), CatchBody.release(), 1300effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl CatchStmts.release()); 130164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 13021ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 13031ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 130443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1305397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1306397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 13076b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 13086b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 130964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 13108935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 13110e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 131215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyBody(Actions, true); 1313c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1314c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1315c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1316c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 13170e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1318161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 13190e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 1320effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl FinallyBody.release()); 1321397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1322397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1323397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1324397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1325bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1326397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 132743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1328bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 132943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return Owned(Actions.ActOnObjCAtTryStmt(atLoc, TryBody.release(), 133043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl CatchStmts.release(), 133143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl FinallyStmt.release())); 1332397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1333ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 13343536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1335ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 133671c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve NaroffParser::DeclTy *Parser::ParseObjCMethodDefinition() { 1337a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DeclTy *MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 1338ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1339df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) 1340ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1341ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1342409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1343df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1344da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 1345409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1346409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1347409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 1348409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1349409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1350409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 135171c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return 0; 1352ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1353409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 1354409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1355409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 13568935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::FnScope|Scope::DeclScope); 1357409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1358409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1359394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 1360394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff Actions.ObjCActOnStartOfMethodDef(CurScope, MDecl); 136161364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 136261364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult FnBody(ParseCompoundStatementBody()); 136361364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1364409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 13650e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FnBody.isInvalid()) 1366409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 0, 0, false); 1367409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1368409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 13698935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 1370409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff 1371409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // TODO: Pass argument information. 1372effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl Actions.ActOnFinishFunctionBody(MDecl, FnBody.release()); 137371c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 13745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13755508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 137643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 137764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_try)) { 13786b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 137964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else if (Tok.isObjCAtKeyword(tok::objc_throw)) 138064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 138164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff else if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 138264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 138315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions, ParseExpressionWithLeadingAt(AtLoc)); 13840e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 138564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 138664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 138764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 138864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 138943bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 139064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 139164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 139264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); 139343bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return Owned(Actions.ActOnExprStmt(Res.release())); 139464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 139564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 1396a642beb9f143130588dcf622f5f7020832b22707Steve NaroffParser::ExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 13975508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 1398b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1399b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 1400b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1401b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 14024fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 14034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(AtLoc, diag::err_unexpected_at); 14044fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 14054fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 14064fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 14074fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 14084fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 14094fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 14104fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 14114fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 14124fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 14131ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(AtLoc, diag::err_unexpected_at); 14144fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 14155508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 14165508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 14175508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 14180ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-expr: 14190ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 14200ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14210ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-receiver: 14220ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 14230ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 14240ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 1425699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult Parser::ParseObjCMessageExpression() { 1426699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1427699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1428699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1429699b66138ac307a32e238463e0eff513ff17d337Chris Lattner // Parse receiver 143014dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (isTokObjCMessageIdentifierReceiver()) { 1431699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); 14325cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff SourceLocation NameLoc = ConsumeToken(); 14335cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff return ParseObjCMessageExpressionBody(LBracLoc, NameLoc, ReceiverName, 0); 1434699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1435699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 143615faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions, ParseExpression()); 14370e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 14385c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 1439effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl return Res.result(); 1440699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 14414fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 14420e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 1443effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl 0, Res.release()); 1444699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 1445699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1446699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse 1447699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// the rest of a message expression. 14480ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14490ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 14500ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 14510ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 14520ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14530ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 14540ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 14550ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 14560ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14570ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg: 14580ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 14590ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14600ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 14610ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 14620ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14630ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 14640ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 14650ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 14660ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 1467699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ExprResult 1468699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 14695cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff SourceLocation NameLoc, 1470699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName, 1471699b66138ac307a32e238463e0eff513ff17d337Chris Lattner ExprTy *ReceiverExpr) { 1472a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 14734b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 14744b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian IdentifierInfo *selIdent = ParseObjCSelector(Loc); 147568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 147668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1477a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 147868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1479df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1480a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 1481a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 148268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 148337387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 1484df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1485a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 14864fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 14874fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 14884fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 14894fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 149037387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff return true; 1491a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 14924fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 149368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 1494a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian /// Parse the expression after ':' 149515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions, ParseAssignmentExpression()); 14960e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 14974fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 14984fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 14994fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15004fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 1501effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl return Res.result(); 150237387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 15034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 150437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 1505effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 1506a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian 150737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 15084b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian selIdent = ParseObjCSelector(Loc); 1509df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 1510a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 1511a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 1512a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1513a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 1514df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 151549f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 151649f109c786f99eb7468dac3976db083a65493444Steve Naroff /// Parse the expression after ',' 151715faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions, ParseAssignmentExpression()); 15180e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 15194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15204fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15214fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15224fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 1523effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl return Res.result(); 152449f109c786f99eb7468dac3976db083a65493444Steve Naroff } 15250e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 152649f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 1527effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 1528a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1529a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 1530a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 15314fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 15324fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15334fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15344fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15354fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15360ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1537a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1538ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1539df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 1540a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 15414fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15424fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15434fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15444fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15450ba0aa1460ae234423609c09da1b6ad11fae24f3Fariborz Jahanian return true; 1546a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 15474fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1548699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 154937387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 155029238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 1551ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 1552ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 1553ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 1554ff38491c18b060526d754765b952f4a497a89416Chris Lattner 1555ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We've just parsed a keyword message. 155637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff if (ReceiverName) 15570523aaf9759cd9524956f0930558737458849743Fariborz Jahanian return Actions.ActOnClassMessage(CurScope, 15585cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff ReceiverName, Sel, 15595cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff LBracLoc, NameLoc, RBracLoc, 1560a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl KeyExprs.take(), KeyExprs.size()); 1561699b66138ac307a32e238463e0eff513ff17d337Chris Lattner return Actions.ActOnInstanceMessage(ReceiverExpr, Sel, LBracLoc, RBracLoc, 1562a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl KeyExprs.take(), KeyExprs.size()); 15630ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 15640ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 1565beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve NaroffParser::ExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 156615faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions, ParseStringLiteralExpression()); 1567effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl if (Res.isInvalid()) return Res.result(); 1568b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 1569b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 1570b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 1571b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 1572b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 1573a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 1574b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 1575effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 15760e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1577b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 1578b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 1579b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 158015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 158115faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Lit(Actions, true); 1582b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner if (isTokenStringLiteral()) 1583a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl Lit = ParseStringLiteralExpression(); 1584b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner else 1585b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner Diag(Tok, diag::err_objc_concat_string); 1586b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 15870e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 1588effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl return Lit.result(); 15890e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1590effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 1591b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 159279a99f2c063ce7cd9b18852a39bf4c937fc1faf8Fariborz Jahanian 1593a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl return Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 1594b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtStrings.size()); 15955508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1596f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1597f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 1598f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 1599674af9541256dc3ef803e3723027a8b028f1f7a2Chris LattnerParser::ExprResult Parser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 1600861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 1601f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1602f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 1603f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 16044fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16051ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(Tok, diag::err_expected_lparen_after) << "@encode"; 1606f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1607f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 1608f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1609f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson TypeTy *Ty = ParseTypeName(); 1610f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 16114988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1612f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1613674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner return Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, Ty, 16144988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson RParenLoc); 1615f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 161629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 161729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 161829b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 16191ab3b96de160e4fbffec2a776e284a48a3bb543dChris LattnerParser::ExprResult Parser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 162029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 162129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16224fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16231ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(Tok, diag::err_expected_lparen_after) << "@protocol"; 162429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 162529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 162629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 16284fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_ident); 16294fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1630390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 163129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 163229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 16334988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 163429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 1635390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 1636390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian LParenLoc, RParenLoc); 163729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 1638a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1639a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 1640a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 16411ab3b96de160e4fbffec2a776e284a48a3bb543dChris LattnerParser::ExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 1642a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 1643a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 16444fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16451ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner return Diag(Tok, diag::err_expected_lparen_after) << "@selector"; 1646a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1647b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1648a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 1649a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 1650a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian IdentifierInfo *SelIdent = ParseObjCSelector(sLoc); 16514fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 16524fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_ident); // missing selector name. 16534fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1654b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1655887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 1656887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 1657a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 16584fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::colon)) 16594fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner return Diag(Tok, diag::err_expected_colon); 16604fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner 1661cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner nColons++; 1662a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 1663a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 1664a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1665a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 1666a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 1667a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SelIdent = ParseObjCSelector(Loc); 1668b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1669a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 1670a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1671a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1672887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 1673a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1674887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 16752a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian return Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, LParenLoc, 1676b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian RParenLoc); 167758065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 1678