ParseObjc.cpp revision d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28
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" 17500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22891dca671a80c865c6def7259f170ba785e4faaaChris Lattner/// ParseObjCAtDirectives - Handle parts of the external-declaration production: 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 2591fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 2691fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 2791fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 2891fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 2991fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 30b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtDirectives() { 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 345ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 355ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 365ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_interface: 375ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtInterfaceDeclaration(AtLoc); 385ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_protocol: 395ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtProtocolDeclaration(AtLoc); 405ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 415ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtImplementationDeclaration(AtLoc); 425ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 435ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtEndDeclaration(AtLoc); 445ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 455ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtAliasDeclaration(AtLoc); 465ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 475ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertySynthesize(AtLoc); 485ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 495ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertyDynamic(AtLoc); 505ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 515ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 525ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 53b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 61b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<IdentifierInfo *, 8> ClassNames; 641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 66df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 69b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 74df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 82b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardClassDeclaration(atLoc, 853536b443bc50d58a79f14fca9b6842541a434854Steve Naroff &ClassNames[0], ClassNames.size()); 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 88dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 89dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 90dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 91dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 92dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 93dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 95dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 97dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 98dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 99dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 100dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 102dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 105dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 107dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 109dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 111dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 116b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtInterfaceDeclaration( 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation atLoc, AttributeList *attrList) { 118861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 122df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 124b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 125dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1277ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 128dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 1291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 130df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { // we have a category. 131dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation lparenLoc = ConsumeParen(); 132dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 133dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 1341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 135527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 136df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 137dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 138dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 139527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff } else if (!getLang().ObjC2) { 140527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 141b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 142dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 143df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 144dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_rparen); 145dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::r_paren, false); // don't stop at ';' 146b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 147dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 1491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 15171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 152b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 8> ProtocolRefs; 15371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 1546bd6d0b9d8944c5e192097bef24f2becb83af172Chris Lattner if (Tok.is(tok::less) && 15571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 15671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 157b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 159dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff if (attrList) // categories don't support attributes. 160dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_objc_no_attributes_on_category); 1611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad DeclPtrTy CategoryType = 1631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartCategoryInterface(atLoc, 164beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad nameId, nameLoc, 165beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad categoryId, categoryLoc, 166beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 167beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 168beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad EndProtoLoc); 1691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 170fd225cc227143553898f2d3902242d25db9a4902Fariborz Jahanian ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); 171bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return CategoryType; 172dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 173dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 1767ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 177df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 178dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 179df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 180dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 181b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 182dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 183dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 184dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 185dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 186dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 187b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<Action::DeclPtrTy, 8> ProtocolRefs; 18871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 18971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 19006036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 19171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 19271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 193b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy ClsType = 1961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 19706036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 198beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 19906036d3709955a53297b4cbe14e20db88f321470Chris Lattner EndProtoLoc, attrList); 2001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 20260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ClsType, atLoc); 203dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 20425e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 205bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ClsType; 206dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 207dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 208dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 209dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 210dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 211294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 2123536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 213dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 214dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 215dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 216294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 217294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 218294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 219294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 220b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseObjCInterfaceDeclList(DeclPtrTy interfaceDecl, 221cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 222b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 32> allMethods; 223b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 16> allProperties; 224682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclGroupPtrTy, 8> allTUVariables; 22500933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 2261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 227bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner SourceLocation AtEndLoc; 228bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 229294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 230e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 231df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 2321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclPtrTy methodPrototype = 233df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 23425e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 2353536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 2363536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 237b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_method_proto, 238b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner "", tok::semi); 239294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 240294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 2411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 242e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 243e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 244294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 245e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 246e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 2471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 248bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 249e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 250e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 252e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 253e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 2541fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 2551fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 2561fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 2571fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 2581fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 2591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2604985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 2614985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 262682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner allTUVariables.push_back(ParseDeclarationOrFunctionDefinition()); 263e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 264e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 2651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 266e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 267e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 268a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 2691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 270a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 271e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner AtEndLoc = AtLoc; 272e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 273bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 275bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 276bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 277bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 278a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 279a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 280bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 281bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 282bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 283bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 284f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 285bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 286a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 287a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 290a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 291a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 292bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 293e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 294bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 295a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 296bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 297a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 299a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 300f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 301f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_propertoes_require_objc2); 302f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 303e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 3058ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 306e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ParseObjCPropertyAttribute(OCDS); 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 308bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCPropertyCallback : FieldCallback { 309bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 310bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy IDecl; 311bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &Props; 312bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ObjCDeclSpec &OCDS; 313bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall SourceLocation AtLoc; 314bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind MethodImplKind; 315bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 316bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ObjCPropertyCallback(Parser &P, DeclPtrTy IDecl, 317bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &Props, 318bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 319bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind MethodImplKind) : 320bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), Props(Props), OCDS(OCDS), AtLoc(AtLoc), 321bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall MethodImplKind(MethodImplKind) { 322bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 323bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 324bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy invoke(FieldDeclarator &FD) { 325bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall if (FD.D.getIdentifier() == 0) { 326bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 327bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall << FD.D.getSourceRange(); 328bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return DeclPtrTy(); 329bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 330bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall if (FD.BitfieldSize) { 331bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 332bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall << FD.D.getSourceRange(); 333bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return DeclPtrTy(); 334bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 335bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 336bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the property declarator into interfaceDecl. 337bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall IdentifierInfo *SelName = 338bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 339bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 340bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Selector GetterSel = 341bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 342bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 343bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Selector SetterSel; 344bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall if (SetterName) 345bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 346bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall else 347bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall SetterSel = SelectorTable::constructSetterName(P.PP.getIdentifierTable(), 348bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.PP.getSelectorTable(), 349bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getIdentifier()); 350bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall bool isOverridingProperty = false; 351bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy Property = 352bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P.Actions.ActOnProperty(P.CurScope, AtLoc, FD, OCDS, 353bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall GetterSel, SetterSel, IDecl, 354bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall &isOverridingProperty, 355bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall MethodImplKind); 356bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall if (!isOverridingProperty) 357bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Props.push_back(Property); 358bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 359bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Property; 360bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 361bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, allProperties, 362bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall OCDS, AtLoc, MethodImplKind); 363bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 364e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 365e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclSpec DS; 366bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 368a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", 369a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner tok::at); 370a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 371f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 372294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 373bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 374bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 375bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 376bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_end)) 377bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 378bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 379bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 3801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 381a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 382bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 3838a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump allMethods.data(), allMethods.size(), 385beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allProperties.data(), allProperties.size(), 386beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allTUVariables.data(), allTUVariables.size()); 387294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 388294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 389d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 390d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 391d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 392d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 393d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 394d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 395d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 396d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 397d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 398d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 399d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 400d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 401d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 402d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 403d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 404d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 4057caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnervoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { 4068ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 407dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 409cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 410ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 411ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff Actions.CodeCompleteObjCProperty(CurScope, DS); 412ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff ConsumeToken(); 413ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 414d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 416f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 417f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 418f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 419f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 420f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 422156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 4231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 425e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 42692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 427e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 42892e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 429e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 43092e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 431e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 43292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 433e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 43492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 435e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 43692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 437e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 438156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::equal, diag::err_objc_expected_equal, "", 439156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 440dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4428ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.isNot(tok::identifier)) { 4431ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_ident); 4448ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 4458ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4468ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 4471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 448e013d685c6689ac7ae103ee88acf573422d1ed6aDaniel Dunbar if (II->getNameStart()[0] == 's') { 4498ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 4508ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setSetterName(Tok.getIdentifierInfo()); 451156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 453156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (ExpectAndConsume(tok::colon, diag::err_expected_colon, "", 454156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 4558ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 4568ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 4578ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 4588ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setGetterName(Tok.getIdentifierInfo()); 459156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); // consume method name 4608ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 461e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 462a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 463cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 464cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 465cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 467156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 468156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 4691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 470156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 471d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 473156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 474d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 475d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 4763536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 4783536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 479294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 480294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 481294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 482294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 4834985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 4844985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 4854985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpParser::DeclPtrTy Parser::ParseObjCMethodPrototype(DeclPtrTy IDecl, 487b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 488df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 489294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 4901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 491bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 493b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl,MethodImplKind); 4943536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 4952bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 496f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 497294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 498294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 499294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 500294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 501294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 502294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 503294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 504294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 505294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 506294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5072fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 508ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 509ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 510ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 511ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 512ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 513ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 5149298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 515ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 516ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 517ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 518ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 519ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 520ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 521ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 522ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 523ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 524ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 525ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 526ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 527ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 528ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 529ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 530ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 531ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 532ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 533ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 534ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 535ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 536ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 537ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 538ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 539ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 540ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 541ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 542ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 543ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 544ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 545ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 546ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 547ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 548ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 549ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 550ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 551ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 552ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 553ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 554ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 555ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 556ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 557ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 558ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 559ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 560ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 561ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 562ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 563ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 564ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 565ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 566ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 567ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 568ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 569ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 570ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 571ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 572ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 573ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 574ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 575ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 576ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 577ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 578ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 579ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 580ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 5814b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 582ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 583d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 584294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 585294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 5860196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 5870196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 588335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 5893ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 5903ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 5913ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 5921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (getLang().ObjC2 && Tok.is(tok::identifier) && 5935ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 5940196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 5950196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 596a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 597e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 598e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 599294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 600294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 601294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 602294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 603294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 604a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { 605e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 606cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 607e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 609e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 610e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 611a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 612e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 614a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 615e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 616e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 617a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 618a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 619a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 620a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 621a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 622a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 623e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 624a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 625e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 626e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 627e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 628e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 630e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 631e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 632e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 633e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 634e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 635e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 636e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 637e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 638e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 639a526c5c67e5a0473c340903ee542ce570119665fTed KremenekParser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { 640df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 6411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6424a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 643e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 64519d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 646a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParseObjCTypeQualifierList(DS); 6474fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 6484a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner TypeTy *Ty = 0; 649809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 650809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult TypeSpec = ParseTypeName(); 651809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!TypeSpec.isInvalid()) 652809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty = TypeSpec.get(); 653809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6554a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 6564a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 6574a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 658e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 6591ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 6604a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 6614a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 6624a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 6634a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 6644a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 665294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 666f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 667294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 668294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 669294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 670294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 6714985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 672294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 6734985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 674294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 675294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 6761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 677294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 678294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 679294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 6807ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 6817ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 6827ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 6837ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 684294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6854985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 6864985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 687294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6884985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 6894985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 690294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6914985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 692294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 693294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6947ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 6957ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 6967ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 697b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCMethodDecl(SourceLocation mLoc, 698b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::TokenKind mType, 699b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy IDecl, 700b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner tok::ObjCKeywordKind MethodImplKind) { 70154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject PD(*this); 70254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 703e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 704ff38491c18b060526d754765b952f4a497a89416Chris Lattner TypeTy *ReturnType = 0; 705a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 706df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 707f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian ReturnType = ParseObjCTypeName(DSRet); 7081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 709bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 7102fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 711e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 71284c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 71384c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 7141ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 7151ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 716e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 717e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 718b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 719e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 7201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 721439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian llvm::SmallVector<Declarator, 8> CargNames; 722df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 723ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 724ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 7251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 726ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 7271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 728ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 72954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclPtrTy Result 73054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 7311f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 7321c6a3cc88177c67498fccdf14cfdf09959214e41Ted Kremenek 0, CargNames, MethodAttrs, 7331c6a3cc88177c67498fccdf14cfdf09959214e41Ted Kremenek MethodImplKind); 73454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 73554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 736ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 737f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 73868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 739e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner llvm::SmallVector<Action::ObjCArgInfo, 12> ArgInfos; 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 741ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 742e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner Action::ObjCArgInfo ArgInfo; 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 744ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 745df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 746ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 747ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 748ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 749ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 751e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Type = 0; 752e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 753e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec); 754e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 755ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 756e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 757df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 758e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = ParseAttributes(); 7597ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 760df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 761ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 762ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7634985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 7641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 765e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 766e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 767ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 7681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 769e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 770e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 771e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 772ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 7734b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 7742fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 775df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 776ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 777ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 778ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 7791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 780335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 7811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 782ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 783df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 784ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 785df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 786335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 7874985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 788ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 7894985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 790ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 791ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 793ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 794ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 795439c65892cc8629bbf541e0b8bda6b64cbcc4e6bFariborz Jahanian CargNames.push_back(ParmDecl); 7964985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 798ff38491c18b060526d754765b952f4a497a89416Chris Lattner // FIXME: Add support for optional parmameter list... 799e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 800ff38491c18b060526d754765b952f4a497a89416Chris Lattner AttributeList *MethodAttrs = 0; 8011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 802ff38491c18b060526d754765b952f4a497a89416Chris Lattner MethodAttrs = ParseAttributes(); 8031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8043688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian if (KeyIdents.size() == 0) 8053688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian return DeclPtrTy(); 806ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 807ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 80854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall DeclPtrTy Result 80954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 8103688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 8111c6a3cc88177c67498fccdf14cfdf09959214e41Ted Kremenek &ArgInfos[0], CargNames, MethodAttrs, 812335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 81354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 81454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 815294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 816294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 817dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 818dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 819dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 8207caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 821b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclPtrTy> &Protocols, 82271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVectorImpl<SourceLocation> &ProtocolLocs, 82371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 82471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 825e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 8261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 82771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 829e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 8301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 831e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 832e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 833e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 834e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 835e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 836e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 837e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 838e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 83971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 840e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 8411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 842e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 843e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 844e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 845e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 8461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 847e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 848e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 849e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 850e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 851e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 853e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 8541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 855e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 856e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 857e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 858e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 859e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 860e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 861e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 862dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 863dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 864dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 865dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 866dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 867dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 868dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 869dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 870dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 871dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 872dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 873dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 874dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 875dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 876dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 877ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 878dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 879dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 881dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 882b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattnervoid Parser::ParseObjCClassInstanceVariables(DeclPtrTy interfaceDecl, 88360fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 884df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 885b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 32> AllIvarDecls; 886e13594279a952537ac903325efff57e3edca79d9Chris Lattner 8871a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 88872de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 889ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 891aa847fe3c88ee5e8d180e48537c58b805d48d95dFariborz Jahanian tok::ObjCKeywordKind visibility = tok::objc_protected; 892ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 893df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 894ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 8951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 896ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 897df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 898c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner Diag(Tok, diag::ext_extra_struct_semi) 899c2253f5ca170984fcd4f30f8823148e8cb71336bChris Lattner << CodeModificationHint::CreateRemoval(SourceRange(Tok.getLocation())); 900ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 901ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 902ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 904ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 905df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 906ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 907861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 908ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 909ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 910ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 911ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 912861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 913ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 915ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 916ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 917ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 918ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 919ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 921bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 922bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 923bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy IDecl; 924bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 925bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &AllIvarDecls; 926bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 927bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ObjCIvarCallback(Parser &P, DeclPtrTy IDecl, tok::ObjCKeywordKind V, 928bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall llvm::SmallVectorImpl<DeclPtrTy> &AllIvarDecls) : 929bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 930bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 931bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 932bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy invoke(FieldDeclarator &FD) { 933bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 934bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall DeclPtrTy Field 935bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall = P.Actions.ActOnIvar(P.CurScope, 936bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 937bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall IDecl, FD.D, FD.BitfieldSize, visibility); 938bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall AllIvarDecls.push_back(Field); 939bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Field; 940bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 941bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 942bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 943e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 944e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 945bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 9461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 947df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 948ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 949ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 950ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 951ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 952ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 953ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 954ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 95560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 9568749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 9578749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 9588749be53f53384e7846502791ceda6c657228d07Steve Naroff Actions.ActOnFields(CurScope, atLoc, interfaceDecl, 959beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad AllIvarDecls.data(), AllIvarDecls.size(), 9601bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 961ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 963dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 964dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 965dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 966dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 967dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 968dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @protocol identifier 9701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 9711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 972dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 973dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 974dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 975dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 976dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 977dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 9783536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 979dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 980b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 981b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner AttributeList *attrList) { 982861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 9837ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 9847ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 9851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 986df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 9877ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 988b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 9897ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 9907ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 9917ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 9927ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 9931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 994df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 9957caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 9967ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 998bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 9997ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1001df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 10027caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 10037caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 10047caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 10057ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 10067ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 10077ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1008df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 10097ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 10107ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1011b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10127ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 10137caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 10147caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 10157ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 10161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1017df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 10187ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 10197ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 10207ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 10217ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1022b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1024e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 10251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1026bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 1027bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 10287caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 10291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10307ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 103171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 10327caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 1033b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner llvm::SmallVector<DeclPtrTy, 8> ProtocolRefs; 103471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 10357caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 103671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 103771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1038b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1040b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ProtoType = 1041e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1042beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1043beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 1044246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar EndProtoLoc, attrList); 104525e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 1046bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 1047dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1048dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1049dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1050dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1051dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1052dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1053dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1054dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1055dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1056dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1057dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1058dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1059b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtImplementationDeclaration( 1060ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1061ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1062ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1063ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1065df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1066ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1067b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1068ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1069ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1070ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1071ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 10721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1074ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1075ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1076ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1077ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 10781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1079df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1080ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1081ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1082ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1083ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1084b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1086df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1087ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1088ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1089b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1090ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1091ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1092b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ImplCatType = Actions.ActOnStartCategoryImplementation( 10931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump atLoc, nameId, nameLoc, categoryId, 10948f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1095a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 1096b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1097ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1098ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1099ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1100ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1101df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1102ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1103ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1104df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1105ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1106b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1107ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1108ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1109ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1110ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1111b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy ImplClsType = Actions.ActOnStartClassImplementation( 1112cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1113ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 11141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 111560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 111660fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); 1117a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 11181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1119b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 112160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1122b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) { 1123ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1124ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1125b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy Result = ObjCImpDecl; 1126ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1127a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian if (ObjCImpDecl) { 1128a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Actions.ActOnAtEnd(atLoc, ObjCImpDecl); 1129b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner ObjCImpDecl = DeclPtrTy(); 1130a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian } 113194cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian else 113294cdb25a49bd3716ab56ef6de0ea57d29e686bf2Fariborz Jahanian Diag(atLoc, diag::warn_expected_implementation); // missing @implementation 1133a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian return Result; 11345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1135e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 1136e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1137e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1138e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1139b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1140e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1141e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1142e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1143df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1144e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1145b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1146e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1147243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1148243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1149df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1150e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1151b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1152e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1153243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1154243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1155243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 11561ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@compatibility_alias"; 1157b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1158243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1159b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1160b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1163ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1164ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1165ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1166ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1167ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1168ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1169ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1170ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1171ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1172ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1173ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1174b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1175ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1176ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1177f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 1178df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1179ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1180b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1181ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 11821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1183df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1184f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1185f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1186f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1187df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1188ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1189ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1190df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1191ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1192ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1193ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1194f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1195ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1196ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1197f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, 1198f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1199df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1200ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1201ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1202ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1203df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 12041ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@synthesize"; 1205d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian else 1206d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian ConsumeToken(); // consume ';' 1207b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1208ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1209ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1210ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1211ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1212ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1213ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1214ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1215ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1216ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1217b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1218ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1219ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1220ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1221df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1222ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1223b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1224ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1225df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::identifier)) { 1226c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1227c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1228c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, 1229c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1230c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1231df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1232ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1233ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1234ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1235df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) 12361ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@dynamic"; 1237b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1238ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1240397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1241397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1242397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 124343bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 124415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningExprResult Res(Actions); 1245397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1246df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 124739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 12480e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1249397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 125043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1251397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1252397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 125339f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian ConsumeToken(); // consume ';' 1254e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff return Actions.ActOnObjCAtThrowStmt(atLoc, move(Res), CurScope); 1255397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1256397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1257c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 125878a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1259c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 126043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult 126143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1262fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1263fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 12641ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 126543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1266fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1267fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 12682f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseExpression()); 12690e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1270fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 127143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1272fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1273fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 12741ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 127543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1276fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1277fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 127878a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 12791ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 128043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 128178a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 12823ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 12833ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 12848935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::DeclScope); 12853ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 128661364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult SynchBody(ParseCompoundStatementBody()); 12870e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 12888935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 12890e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (SynchBody.isInvalid()) 1290fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 129176ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl return Actions.ActOnObjCAtSynchronizedStmt(atLoc, move(Res), move(SynchBody)); 1292c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1293c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1294397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1295397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1296397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1297397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1298397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1299397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1300397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1301397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1302397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1303397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1304397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 130543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1306397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 130743bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1308397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1309df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 13101ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 131143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1312397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 131315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchStmts(Actions); 131415faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyStmt(Actions); 13158935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 131661364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult TryBody(ParseCompoundStatementBody()); 13178935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 13180e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1319bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1320a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1321df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 13226b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 13236b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 13246b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 13256b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 13266b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 13276b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 13286b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 13290e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1330161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1331cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1332b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy FirstPart; 13333b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1334df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1335397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1336e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1337df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1338397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1339397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 134043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl // For some odd reason, the name of the exception variable is 13411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // optional. As a result, we need to use "PrototypeContext", because 13427ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // we must accept either 'declarator' or 'abstract-declarator' here. 13437ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff Declarator ParmDecl(DS, Declarator::PrototypeContext); 13447ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 13457ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 13467ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // Inform the actions module about the parameter declarator, so it 13477ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 13487ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff FirstPart = Actions.ActOnParamDeclarator(CurScope, ParmDecl); 134964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1350397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 135293a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 135493a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 135593a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 135693a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 135793a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 135893a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 135915faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult CatchBody(Actions, true); 1360c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1361c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1362c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1363c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 13640e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 13653b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 13660e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 13677ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff RParenLoc, FirstPart, move(CatchBody), 136876ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(CatchStmts)); 136964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 13701ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 13711ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 137243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1373397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1374397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 13756b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 13766b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 137764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 13788935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 13790e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 138015faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl OwningStmtResult FinallyBody(Actions, true); 1381c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1382c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1383c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1384c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 13850e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1386161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 13870e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 138876ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(FinallyBody)); 1389397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1390397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1391397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1392397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1393bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1394397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 139543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1396bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 139776ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl return Actions.ActOnObjCAtTryStmt(atLoc, move(TryBody), move(CatchStmts), 139876ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl move(FinallyStmt)); 1399397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1400ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 14013536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1402ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1403b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris LattnerParser::DeclPtrTy Parser::ParseObjCMethodDefinition() { 1404b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner DeclPtrTy MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 14051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 140649f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PrettyStackTraceActionsDecl CrashInfo(MDecl, Tok.getLocation(), Actions, 140749f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner PP.getSourceManager(), 140849f28ca787d8db7cac3c8898334f70ea55374c98Chris Lattner "parsing Objective-C method"); 14091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1410ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1411209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1412209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (ObjCImpDecl) 1413209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian Diag(Tok, diag::warn_semicolon_before_method_nody); 1414ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1415209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1416ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1417409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1418df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1419da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 14201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1421409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1422409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1424409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1425409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1426b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return DeclPtrTy(); 1427ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1428409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1430409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 14318935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::FnScope|Scope::DeclScope); 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1433409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1434394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 1435ebf6443a4f493233f7e8d92b3a991848c8b1c00dSteve Naroff Actions.ActOnStartOfObjCMethodDef(CurScope, MDecl); 143661364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 143761364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl OwningStmtResult FnBody(ParseCompoundStatementBody()); 143861364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1439409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 14400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FnBody.isInvalid()) 1441a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 1442a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl MultiStmtArg(Actions), false); 1443798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 144432ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff // TODO: Pass argument information. 144532ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff Actions.ActOnFinishFunctionBody(MDecl, move(FnBody)); 14461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1447409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 14488935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 1449798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 145071c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14525508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 145343bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::OwningStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 145464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff if (Tok.isObjCAtKeyword(tok::objc_try)) { 14556b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 145664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else if (Tok.isObjCAtKeyword(tok::objc_throw)) 145764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 145864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff else if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 145964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 1460d8c4e15138e69a51754cc259c8a592cc47950c8eSebastian Redl OwningExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 14610e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 146264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 146364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 146464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 146564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 146643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 146764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 146864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 146964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); 14706b1d283fe879fb11d7ce7a69feecf66e77b0eaf3Anders Carlsson return Actions.ActOnExprStmt(Actions.FullExpr(Res)); 147164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 147264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 14731d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 14745508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 1475b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1476b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 14771d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1478b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 14794fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 14801d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 14812f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 14824fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 14834fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 14841d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 14854fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 14861d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 14874fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 14881d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 14894fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 14901d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 14914fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 14925508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 14935508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 14945508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 14951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 14960ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 14970ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 14980ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-receiver: 14990ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 15000ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 15010ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 15021d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCMessageExpression() { 1503699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1504699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1505699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 1506699b66138ac307a32e238463e0eff513ff17d337Chris Lattner // Parse receiver 150714dd98a7952c9559e0d17fff8272bf3be67135afChris Lattner if (isTokObjCMessageIdentifierReceiver()) { 1508699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); 1509d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian if (ReceiverName != Ident_super || GetLookAheadToken(1).isNot(tok::period)) { 1510d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian SourceLocation NameLoc = ConsumeToken(); 1511d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian return ParseObjCMessageExpressionBody(LBracLoc, NameLoc, ReceiverName, 1512d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian ExprArg(Actions)); 1513d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 1514699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1515699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 15162f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseExpression()); 15170e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 15185c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 15191d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 1520699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 15211d922960e083906a586609ac6978678147250177Sebastian Redl 15220e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 152376ad2e85575722e8a38a2bd4648ab4304d9fcd24Sebastian Redl 0, move(Res)); 1524699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 15251d922960e083906a586609ac6978678147250177Sebastian Redl 1526699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse 1527699b66138ac307a32e238463e0eff513ff17d337Chris Lattner/// the rest of a message expression. 15281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 15290ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 15300ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 15310ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 15320ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 15330ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 15340ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 15350ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 15360ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 15371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 15380ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 15390ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 15400ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 15410ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 15420ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 15430ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 15440ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 15450ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 15461d922960e083906a586609ac6978678147250177Sebastian Redl/// 15471d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 1548699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 15495cb93b8bf009c4b0ae09b71ba85f54b2a7ea8022Steve Naroff SourceLocation NameLoc, 1550699b66138ac307a32e238463e0eff513ff17d337Chris Lattner IdentifierInfo *ReceiverName, 15511d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 1552a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 15534b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 15542fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 155568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1556ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson SourceLocation SelectorLoc = Loc; 15571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 155868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1559a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 156068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1561df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1562a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 1563a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 156468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 156537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 1566df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 1567a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 15684fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15694fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15704fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15714fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15721d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1573a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 15741d922960e083906a586609ac6978678147250177Sebastian Redl 157568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 15761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 15772f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseAssignmentExpression()); 15780e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 15794fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 15804fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 15814fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 15824fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 15831d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 158437387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 15851d922960e083906a586609ac6978678147250177Sebastian Redl 158637387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 1587effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 15881d922960e083906a586609ac6978678147250177Sebastian Redl 158937387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 15902fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 1591df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 1592a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 1593a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 1594a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1595a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 1596df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 159749f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 15981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 15992f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl OwningExprResult Res(ParseAssignmentExpression()); 16000e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 16014fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 16024fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 16034fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 16044fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 16051d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 160649f109c786f99eb7468dac3976db083a65493444Steve Naroff } 16070e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 160849f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 1609effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 1610a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 1611a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 1612a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 16131d922960e083906a586609ac6978678147250177Sebastian Redl 16144fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 16154fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 16164fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 16174fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 16181d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1619a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 16201d922960e083906a586609ac6978678147250177Sebastian Redl 1621df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 1622a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 16234fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 16244fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 16254fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 16264fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 16271d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 1628a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 16291d922960e083906a586609ac6978678147250177Sebastian Redl 1630699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 16311d922960e083906a586609ac6978678147250177Sebastian Redl 163229238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 1633ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 1634ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 1635ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 16361d922960e083906a586609ac6978678147250177Sebastian Redl 1637ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We've just parsed a keyword message. 16381d922960e083906a586609ac6978678147250177Sebastian Redl if (ReceiverName) 16391d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ActOnClassMessage(CurScope, ReceiverName, Sel, 16401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LBracLoc, NameLoc, SelectorLoc, 1641ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson RBracLoc, 16421d922960e083906a586609ac6978678147250177Sebastian Redl KeyExprs.take(), KeyExprs.size())); 16431d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ActOnInstanceMessage(ReceiverExpr.release(), Sel, 1644ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson LBracLoc, SelectorLoc, RBracLoc, 16451d922960e083906a586609ac6978678147250177Sebastian Redl KeyExprs.take(), KeyExprs.size())); 16460ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 16470ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 16481d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 164920df9b7ab9388b2a488c5b1293cd196b1e073b4eSebastian Redl OwningExprResult Res(ParseStringLiteralExpression()); 16501d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 16511d922960e083906a586609ac6978678147250177Sebastian Redl 1652b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 1653b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 1654b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 1655b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 1656a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 1657b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 1658effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 16590e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1660b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 1661b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 1662b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 166315faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 166497cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 166597cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 1666b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 166797cf6eb380016db868866faf27a086cd55a316d4Chris Lattner OwningExprResult Lit(ParseStringLiteralExpression()); 16680e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 16691d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 16700e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1671effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 1672b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 16731d922960e083906a586609ac6978678147250177Sebastian Redl 16741d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 16751d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 16765508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1677f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1678f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 1679f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 16801d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 16811d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 1682861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 16831d922960e083906a586609ac6978678147250177Sebastian Redl 1684f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 16851d922960e083906a586609ac6978678147250177Sebastian Redl 16864fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 16871d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 16881d922960e083906a586609ac6978678147250177Sebastian Redl 1689f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 16901d922960e083906a586609ac6978678147250177Sebastian Redl 1691809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 16921d922960e083906a586609ac6978678147250177Sebastian Redl 16934988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 16941d922960e083906a586609ac6978678147250177Sebastian Redl 1695809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 1696809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 1697809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 16981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, 1699809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc)); 1700f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 170129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 170229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 170329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 17041d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 17051d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 170629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 17071d922960e083906a586609ac6978678147250177Sebastian Redl 17084fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 17091d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 17101d922960e083906a586609ac6978678147250177Sebastian Redl 171129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 17121d922960e083906a586609ac6978678147250177Sebastian Redl 17134fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 17141d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 17151d922960e083906a586609ac6978678147250177Sebastian Redl 1716390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 171729b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 17181d922960e083906a586609ac6978678147250177Sebastian Redl 17194988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 172029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 17211d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 17221d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 172329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 1724a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 1725a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 1726a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 17271d922960e083906a586609ac6978678147250177Sebastian RedlParser::OwningExprResult 17281d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 1729a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 17301d922960e083906a586609ac6978678147250177Sebastian Redl 17314fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 17321d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 17331d922960e083906a586609ac6978678147250177Sebastian Redl 1734b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 1735a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 1736a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 17372fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 17381d922960e083906a586609ac6978678147250177Sebastian Redl if (!SelIdent && Tok.isNot(tok::colon)) // missing selector name. 17391d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 17401d922960e083906a586609ac6978678147250177Sebastian Redl 1741b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1742887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 1743887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 1744a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 17454fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::colon)) 17461d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 17471d922960e083906a586609ac6978678147250177Sebastian Redl 1748cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner nColons++; 1749a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 1750a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 1751a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1752a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 1753a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 17542fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 1755b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 1756a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 1757a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 1758a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 1759887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 1760a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 1761887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 17621d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 17631d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 176458065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 1765