ParseObjc.cpp revision 9bd1d8d174a9d15ae343246c8322299248b9e92a
1a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek//===--- ParseObjC.cpp - Objective C Parsing ------------------------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the Objective-C portions of the Parser interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14500d3297d2a21edeac4d46cbcbe21bc2352c2a28Chris Lattner#include "clang/Parse/ParseDiagnostic.h" 1519510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Parse/Parser.h" 160fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor#include "RAIIObjectsForParser.h" 1719510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 18f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 1919510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/Scope.h" 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24891dca671a80c865c6def7259f170ba785e4faaaChris Lattner/// ParseObjCAtDirectives - Handle parts of the external-declaration production: 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// external-declaration: [C99 6.9] 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// [OBJC] objc-class-definition 2791fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-class-declaration 2891fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-alias-declaration 2991fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-protocol-definition 3091fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] objc-method-definition 3191fa0b7759b575045142abd6ee48c076297ad77bSteve Naroff/// [OBJC] '@' 'end' 32d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtDirectives() { 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AtLoc = ConsumeToken(); // the "@" 341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 3623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtDirective(getCurScope(), ObjCImpDecl, false); 37dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 38c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 39c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 40861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 415ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_class: 425ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtClassDeclaration(AtLoc); 435ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_interface: 445ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtInterfaceDeclaration(AtLoc); 455ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_protocol: 465ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtProtocolDeclaration(AtLoc); 475ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 485ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtImplementationDeclaration(AtLoc); 495ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 505ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtEndDeclaration(AtLoc); 515ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 525ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtAliasDeclaration(AtLoc); 535ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 545ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertySynthesize(AtLoc); 555ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 565ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertyDynamic(AtLoc); 575ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 585ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 595ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 60d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 68d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<IdentifierInfo *, 8> ClassNames; 71c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek llvm::SmallVector<SourceLocation, 8> ClassLocs; 72c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek 731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 75df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 78d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 81c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 92d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 94c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 95c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 96c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 99dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 100dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 101dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 102dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 1051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 109dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 111dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 116dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 118dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 122dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 125dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 127d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtInterfaceDeclaration( 128dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation atLoc, AttributeList *attrList) { 129861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 130dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 131dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1333b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@interface'. 1343b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 13523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceDecl(getCurScope()); 136dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1373b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 1383b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 139df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 140dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 141d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 142dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 14363e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 144dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1457ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 146dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 1475512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::l_paren) && 1485512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian !isKnownToBeTypeSpecifier(GetLookAheadToken(1))) { // we have a category. 149dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation lparenLoc = ConsumeParen(); 150dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 151dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 15233ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 15323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceCategory(getCurScope(), nameId, nameLoc); 154dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 15533ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 15633ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 157527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 158df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 159dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 160dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 16105511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 16205511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian else if (!getLang().ObjC2) { 163527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 164d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 165dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 166df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 167dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_rparen); 168dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::r_paren, false); // don't stop at ';' 169d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 170dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 171dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 1725512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian // Next, we need to check for any protocol references. 1735512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian SourceLocation LAngleLoc, EndProtoLoc; 174d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> ProtocolRefs; 1755512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 1765512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::less) && 1775512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 17871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 179d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 18005511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian 1815512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (attrList) // categories don't support attributes. 1825512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian Diag(Tok, diag::err_objc_no_attributes_on_category); 1835512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian 184d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *CategoryType = 1855512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian Actions.ActOnStartCategoryInterface(atLoc, 1865512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian nameId, nameLoc, 1875512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian categoryId, categoryLoc, 1885512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.data(), 1895512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.size(), 1905512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolLocs.data(), 1915512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian EndProtoLoc); 1925512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::l_brace)) 19383c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian ParseObjCClassInstanceVariables(CategoryType, tok::objc_private, 19483c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian atLoc); 19583c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian 1965512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); 1975512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return CategoryType; 198dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 199dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 200dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 201dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 2027ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 203df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 204dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 2053b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 2063b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion of superclass names. 2073b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 20823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperclass(getCurScope(), nameId, nameLoc); 209dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 2103b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 2113b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 212df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 213dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 214d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 215dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 216dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 217dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 218dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 219dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 220d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> ProtocolRefs; 22171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 22271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 22306036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 22471b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 22571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 226d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 2271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 228d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ClsType = 2291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 23006036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 231beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 23218df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 23306036d3709955a53297b4cbe14e20db88f321470Chris Lattner EndProtoLoc, attrList); 2341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 235df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 23683c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian ParseObjCClassInstanceVariables(ClsType, tok::objc_protected, atLoc); 237dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 23825e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 2395512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return ClsType; 240dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 241dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 242d0014540005f2a5ab837365db6bd40f479406758John McCall/// The Objective-C property callback. This should be defined where 243d0014540005f2a5ab837365db6bd40f479406758John McCall/// it's used, but instead it's been lifted to here to support VS2005. 244d0014540005f2a5ab837365db6bd40f479406758John McCallstruct Parser::ObjCPropertyCallback : FieldCallback { 245d0014540005f2a5ab837365db6bd40f479406758John McCall Parser &P; 246d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *IDecl; 247d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVectorImpl<Decl *> &Props; 248d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS; 249d0014540005f2a5ab837365db6bd40f479406758John McCall SourceLocation AtLoc; 250d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind; 251d0014540005f2a5ab837365db6bd40f479406758John McCall 252d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCPropertyCallback(Parser &P, Decl *IDecl, 253d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVectorImpl<Decl *> &Props, 254d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 255d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind) : 256d0014540005f2a5ab837365db6bd40f479406758John McCall P(P), IDecl(IDecl), Props(Props), OCDS(OCDS), AtLoc(AtLoc), 257d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind(MethodImplKind) { 258d0014540005f2a5ab837365db6bd40f479406758John McCall } 259d0014540005f2a5ab837365db6bd40f479406758John McCall 260d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 261d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.D.getIdentifier() == 0) { 262d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 263d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 264d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 265d0014540005f2a5ab837365db6bd40f479406758John McCall } 266d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.BitfieldSize) { 267d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 268d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 269d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 270d0014540005f2a5ab837365db6bd40f479406758John McCall } 271d0014540005f2a5ab837365db6bd40f479406758John McCall 272d0014540005f2a5ab837365db6bd40f479406758John McCall // Install the property declarator into interfaceDecl. 273d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SelName = 274d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 275d0014540005f2a5ab837365db6bd40f479406758John McCall 276d0014540005f2a5ab837365db6bd40f479406758John McCall Selector GetterSel = 277d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 278d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 279d0014540005f2a5ab837365db6bd40f479406758John McCall Selector SetterSel; 280d0014540005f2a5ab837365db6bd40f479406758John McCall if (SetterName) 281d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 282d0014540005f2a5ab837365db6bd40f479406758John McCall else 283d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = SelectorTable::constructSetterName(P.PP.getIdentifierTable(), 284d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable(), 285d0014540005f2a5ab837365db6bd40f479406758John McCall FD.D.getIdentifier()); 286d0014540005f2a5ab837365db6bd40f479406758John McCall bool isOverridingProperty = false; 287d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Property = 28823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor P.Actions.ActOnProperty(P.getCurScope(), AtLoc, FD, OCDS, 289d0014540005f2a5ab837365db6bd40f479406758John McCall GetterSel, SetterSel, IDecl, 290d0014540005f2a5ab837365db6bd40f479406758John McCall &isOverridingProperty, 291d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind); 292d0014540005f2a5ab837365db6bd40f479406758John McCall if (!isOverridingProperty) 293d0014540005f2a5ab837365db6bd40f479406758John McCall Props.push_back(Property); 294d0014540005f2a5ab837365db6bd40f479406758John McCall 295d0014540005f2a5ab837365db6bd40f479406758John McCall return Property; 296d0014540005f2a5ab837365db6bd40f479406758John McCall } 297d0014540005f2a5ab837365db6bd40f479406758John McCall}; 298d0014540005f2a5ab837365db6bd40f479406758John McCall 299dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 300dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 301dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 302294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 3033536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 304dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 305dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 306dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 307294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 308294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 309294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 310294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 311d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCInterfaceDeclList(Decl *interfaceDecl, 312cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 313d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 32> allMethods; 314d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 16> allProperties; 315682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclGroupPtrTy, 8> allTUVariables; 31600933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 3171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 318782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceRange AtEnd; 319bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 320294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 321e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 322df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 323d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *methodPrototype = 324df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 32525e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 3263536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 3273536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 328b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_method_proto, 329b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner "", tok::semi); 330294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 331294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 33205511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian if (Tok.is(tok::l_paren)) { 33305511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian Diag(Tok, diag::err_expected_minus_or_plus); 334d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParseObjCMethodDecl(Tok.getLocation(), 335d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::minus, 336d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall interfaceDecl, 337d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall MethodImplKind); 33805511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian continue; 33905511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 340e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 341e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 342294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 343e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 344e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 346bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 347e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 348e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 3491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 350b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor // Code completion within an Objective-C interface. 351b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor if (Tok.is(tok::code_completion)) { 35223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 353f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall ObjCImpDecl? Sema::PCC_ObjCImplementation 354f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_ObjCInterface); 355dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 356b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor } 357b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor 358e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 359e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 3601fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 3611fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 3621fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 3631fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 3641fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3664985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 3674985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 368bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt allTUVariables.push_back(ParseDeclarationOrFunctionDefinition(0)); 369e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 370e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 372e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 373e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 374c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 37523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtDirective(getCurScope(), ObjCImpDecl, true); 376dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 377c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor break; 378c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 379c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 380a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 3811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 382a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 383782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setBegin(AtLoc); 384782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setEnd(Tok.getLocation()); 385e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 386c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor } else if (DirectiveKind == tok::objc_not_keyword) { 387c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor Diag(Tok, diag::err_objc_unknown_at); 388c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor SkipUntil(tok::semi); 389c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor continue; 390bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 392bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 393bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 394bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 395a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 396a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 397bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 398bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 399bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 400bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 401f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 402bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 403a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 404a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 406a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 407a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 408a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 409bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 410e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 411bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 412a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 413bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 414a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 416a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 417f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 418f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_propertoes_require_objc2); 419f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 420e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 4228ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 4234ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor ParseObjCPropertyAttribute(OCDS, interfaceDecl, 4244ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor allMethods.data(), allMethods.size()); 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 426d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCPropertyCallback Callback(*this, interfaceDecl, allProperties, 427d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS, AtLoc, MethodImplKind); 428bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 429e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 430e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclSpec DS; 431bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 433a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", 434a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner tok::at); 435a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 436f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 437294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 438bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 439bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 440bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 441c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 44223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtDirective(getCurScope(), ObjCImpDecl, true); 443dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 444c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } else if (Tok.isObjCAtKeyword(tok::objc_end)) 445bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 446bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 447bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 449a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 450bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 45123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnAtEnd(getCurScope(), AtEnd, interfaceDecl, 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump allMethods.data(), allMethods.size(), 453beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allProperties.data(), allProperties.size(), 454beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allTUVariables.data(), allTUVariables.size()); 455294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 456294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 457d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 458d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 459d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 460d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 461d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 462d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 463d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 464d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 465d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 466d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 467d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 468d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 469d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 470d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 471d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 472d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 473d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS, Decl *ClassDecl, 474d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl **Methods, 4754ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor unsigned NumMethods) { 4768ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 477dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 4781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 479cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 480ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 48123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyFlags(getCurScope(), DS); 482dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 483ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 484d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 486f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 487f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 488f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 489f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 490f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 4911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 492156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 495e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 49692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 497e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 49892e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 499e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 50092e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 501e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 50292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 503e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 50492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 505e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 50692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 50742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson bool IsSetter = II->getNameStart()[0] == 's'; 50842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 509e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 51042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson unsigned DiagID = IsSetter ? diag::err_objc_expected_equal_for_setter : 51142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson diag::err_objc_expected_equal_for_getter; 51242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 51342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (ExpectAndConsume(tok::equal, DiagID, "", tok::r_paren)) 514dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5164ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (Tok.is(tok::code_completion)) { 51742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) 51823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertySetter(getCurScope(), ClassDecl, 5194ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor Methods, NumMethods); 5204ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor else 52123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyGetter(getCurScope(), ClassDecl, 5224ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor Methods, NumMethods); 523dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 5244ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor } 5254ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor 52642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 52742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson SourceLocation SelLoc; 52842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson IdentifierInfo *SelIdent = ParseObjCSelectorPiece(SelLoc); 52942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 53042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (!SelIdent) { 53142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson Diag(Tok, diag::err_objc_expected_selector_for_getter_setter) 53242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson << IsSetter; 5338ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 5348ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5358ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 5361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) { 5388ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 53942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setSetterName(SelIdent); 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 541e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian if (ExpectAndConsume(tok::colon, 542e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian diag::err_expected_colon_after_setter_name, "", 543156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 5448ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5458ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 5468ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 54742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setGetterName(SelIdent); 5488ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 549e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 550a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 551cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 552cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 553cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 5541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 555156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 556156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 5571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 558156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 559d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 5601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 561156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 562d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 563d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 5643536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 5663536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 567294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 568294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 569294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 570294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5714985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 5724985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 5734985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 574d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodPrototype(Decl *IDecl, 575d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::ObjCKeywordKind MethodImplKind) { 576df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 577294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 5781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 579bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 580d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl,MethodImplKind); 5813536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 5822bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 583f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 584294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 585294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 586294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 587294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 588294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 589294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 590294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 591294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 592294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 593294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5942fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 595be74740cc246ce08d42804a684385a42eb814edbFariborz Jahanian 596ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 597ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 598ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 599afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampamp: 600afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampequal: 601afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::amp: 602afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipe: 603afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::tilde: 604afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaim: 605afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaimequal: 606afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipepipe: 607afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipeequal: 608afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caret: 609afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caretequal: { 6103846ca29a8cc1d376a4b695194c29952dbbfb544Fariborz Jahanian std::string ThisTok(PP.getSpelling(Tok)); 611afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian if (isalpha(ThisTok[0])) { 612afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian IdentifierInfo *II = &PP.getIdentifierTable().get(ThisTok.data()); 613afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian Tok.setKind(tok::identifier); 614afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian SelectorLoc = ConsumeToken(); 615afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return II; 616afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 617afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return 0; 618afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 619afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian 620ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 621ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 622ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 6239298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 624ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 625ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 626ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 627ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 628ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 629ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 630ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 631ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 632ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 633ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 634ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 635ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 636ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 637ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 638ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 639ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 640ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 641ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 642ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 643ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 644ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 645ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 646ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 647ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 648ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 649ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 650ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 651ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 652ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 653ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 654ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 655ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 656ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 657ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 658ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 659ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 660ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 661ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 662ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 663ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 664ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 665ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 666ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 667ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 668ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 669ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 670ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 671ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 672ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 673ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 674ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 675ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 676ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 677ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 678ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 679ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 680ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 681ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 682ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 683ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 684ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 685ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 686ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 687ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 688ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 689ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 6904b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 691ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 692d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 693294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 694294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 6950196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 6960196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 697335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 6983ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 6993ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 7003ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (getLang().ObjC2 && Tok.is(tok::identifier) && 7025ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 7030196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 7040196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 705a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 706e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 707e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 708294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 709294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 710294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 711294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 712294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 713d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregorvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS, bool IsParameter) { 714e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 715d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor if (Tok.is(tok::code_completion)) { 716d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor Actions.CodeCompleteObjCPassingType(getCurScope(), DS); 717d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor ConsumeCodeCompletionToken(); 718d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor } 719d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor 720cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 721e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 7221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 723e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 724e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 725a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 726e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 7271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 728a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 729e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 730e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 731a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 732a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 733a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 734a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 735a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 736a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 737e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 738a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 739e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 740e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 741e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 742e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 744e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 745e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 746e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 747e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 748e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 749e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 750e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 751e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 752e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 753b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCallParsedType Parser::ParseObjCTypeName(ObjCDeclSpec &DS, bool IsParameter) { 754df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7564a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 757e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 7581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75919d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 760d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor ParseObjCTypeQualifierList(DS, IsParameter); 7614fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 762b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty; 763809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 764809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult TypeSpec = ParseTypeName(); 765809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!TypeSpec.isInvalid()) 766809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty = TypeSpec.get(); 767809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 7681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7694a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 7704a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 7714a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 772e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 7731ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 7744a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 7754a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 7764a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 7774a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 7784a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 779294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 780f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 781294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 782294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 783294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 784294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 7854985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 786294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 7874985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 788294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 789294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 791294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 792294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 793294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 7947ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 7957ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 7967ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 7977ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 798294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 7994985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 8004985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 801294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8024985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 8034985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 804294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8054985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 806294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 807294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8087ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 8097ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 8107ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 811d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 8122ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::TokenKind mType, 8132ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor Decl *IDecl, 8142ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::ObjCKeywordKind MethodImplKind) { 81554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject PD(*this); 81654abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 817e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 81823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 819b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall /*ReturnType=*/ ParsedType(), IDecl); 820dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 821e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 822e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 823e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 824b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReturnType; 825a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 826df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 827d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor ReturnType = ParseObjCTypeName(DSRet, false); 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8299e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // If attributes exist before the method, parse them. 8309e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek llvm::OwningPtr<AttributeList> MethodAttrs; 8319e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 8329e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek MethodAttrs.reset(ParseGNUAttributes()); 8339e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek 834e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 83523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 836e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor ReturnType, IDecl); 837dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 838e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 839e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 8409e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // Now parse the selector. 841bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 8422fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 843e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 84484c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 84584c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 8461ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 8471ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 848e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 849e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 850d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 851e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8534f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian llvm::SmallVector<DeclaratorChunk::ParamInfo, 8> CParamInfo; 854df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 855ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 8561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 8579e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek MethodAttrs.reset(addAttributeLists(MethodAttrs.take(), 8589e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek ParseGNUAttributes())); 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 860ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 861d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 86254abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 8631f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 8644f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 0, 8654f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 8664f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian MethodAttrs.get(), 8671c6a3cc88177c67498fccdf14cfdf09959214e41Ted Kremenek MethodImplKind); 86854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 86954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 870ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 871f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 87268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 873f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall llvm::SmallVector<Sema::ObjCArgInfo, 12> ArgInfos; 8741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 875ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 876f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::ObjCArgInfo ArgInfo; 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 878ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 879df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 880ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 881ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 882ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 883ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 8841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 885b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ArgInfo.Type = ParsedType(); 886e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 887d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec, true); 888e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 889ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 890e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 891df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 892bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt ArgInfo.ArgAttrs = ParseGNUAttributes(); 8937ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 89440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor // Code completion for the next piece of the selector. 89540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor if (Tok.is(tok::code_completion)) { 89640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor ConsumeCodeCompletionToken(); 89740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.push_back(SelIdent); 89840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 89940ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor mType == tok::minus, 90040ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/true, 90140ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor ReturnType, 90240ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.data(), 90340ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.size()); 90440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.pop_back(); 90540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor break; 90640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor } 90740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor 908df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 909ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 910ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 9114985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 9121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 913e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 914e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 915ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 917e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 918e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 919e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 9201f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor // Code completion for the next piece of the selector. 9211f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor if (Tok.is(tok::code_completion)) { 9221f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor ConsumeCodeCompletionToken(); 9231f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 9241f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor mType == tok::minus, 92540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/false, 9261f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor ReturnType, 9271f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.data(), 9281f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.size()); 9291f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor break; 9301f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor } 9311f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor 932ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 9334b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 9342fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 935df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 936ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 937ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 938ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 9391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 940335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 9411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 942ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 943df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 944ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 945df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 946335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 9474985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 948ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 9494985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 950ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 951ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 9521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 953ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 954ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 9554f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian IdentifierInfo *ParmII = ParmDecl.getIdentifier(); 956d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = Actions.ActOnParamDeclarator(getCurScope(), ParmDecl); 9574f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, 9584f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian ParmDecl.getIdentifierLoc(), 9594f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian Param, 9604f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 0)); 9614f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 9624985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 9631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9649c4bb2c08989265411925a04252fd4f93c26e3b1Cameron Esfahani // FIXME: Add support for optional parameter list... 965e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) 9679e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek MethodAttrs.reset(addAttributeLists(MethodAttrs.take(), 9689e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek ParseGNUAttributes())); 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9703688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian if (KeyIdents.size() == 0) 971d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 972ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 973ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 974d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 97554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 9763688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 9774f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian &ArgInfos[0], 9784f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 9791e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek MethodAttrs.get(), 980335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 98154abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 9821e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek 9831e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek // Delete referenced AttributeList objects. 984f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall for (llvm::SmallVectorImpl<Sema::ObjCArgInfo>::iterator 9851e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek I = ArgInfos.begin(), E = ArgInfos.end(); I != E; ++I) 9861e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek delete I->ArgAttrs; 9871e37765c9257ef1d051f54a674eaa964bdba9693Ted Kremenek 98854abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 989294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 990294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 991dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 992dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 993dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 9947caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 995d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParseObjCProtocolReferences(llvm::SmallVectorImpl<Decl *> &Protocols, 99671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVectorImpl<SourceLocation> &ProtocolLocs, 99771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 99871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 999e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 100171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 10021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1003e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 10041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1005e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 100655385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 100755385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 100855385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 1009dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 101055385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 101155385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 1012e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 1013e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 1014e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 1015e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1016e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 1017e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 1018e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 101971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 1020e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 10211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1022e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 1023e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 1024e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 1025e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 10261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1027e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 1028e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 1029e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 1030e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1031e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 10321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1033e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 10341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1035e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 1036e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 1037e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 1038e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 1039e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 1040e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 1041e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 10429bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// \brief Parse the Objective-C protocol qualifiers that follow a typename 10439bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// in a decl-specifier-seq, starting at the '<'. 10449bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregorvoid Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) { 10459bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(Tok.is(tok::less) && "Protocol qualifiers start with '<'"); 10469bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(getLang().ObjC1 && "Protocol qualifiers only exist in Objective-C"); 10479bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor SourceLocation LAngleLoc, EndProtoLoc; 10489bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor llvm::SmallVector<Decl *, 8> ProtocolDecl; 10499bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 10509bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, 10519bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor LAngleLoc, EndProtoLoc); 10529bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), 10539bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ProtocolLocs.data(), LAngleLoc); 10549bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (EndProtoLoc.isValid()) 10559bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(EndProtoLoc); 10569bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor} 10579bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10589bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 1059dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 1060dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 1061dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1062dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 1063dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 1064dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 1065dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 1066dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 1067dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 1068dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 1069dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1070dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 1071dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 1072dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 1073dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 1074ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 1075dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1076dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 1078dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1079d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCClassInstanceVariables(Decl *interfaceDecl, 108083c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian tok::ObjCKeywordKind visibility, 108160fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 1082df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 1083d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 32> AllIvarDecls; 1084e13594279a952537ac903325efff57e3edca79d9Chris Lattner 10851a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 108672de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 1087ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 10881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1089ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 1090df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1091ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 10921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1093ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 1094df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1095f13ca06e57ac094ed05ea08c26a499af1ba0ce88Douglas Gregor Diag(Tok, diag::ext_extra_ivar_semi) 1096849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1097ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1098ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1099ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 11001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1101ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 1102df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 1103ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 1104c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1105c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 110623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtVisibility(getCurScope()); 1107dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1108c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1109c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1110861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 1111ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 1112ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 1113ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 1114ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 1115861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 1116ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 11171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 1118ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 1119ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 1120ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1121ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1122ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 11231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1124c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 112523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 1126f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PCC_ObjCInstanceVariableList); 1127dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1128c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1129c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1130bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 1131bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 1132d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *IDecl; 1133bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 1134d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVectorImpl<Decl *> &AllIvarDecls; 1135bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1136d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCIvarCallback(Parser &P, Decl *IDecl, tok::ObjCKeywordKind V, 1137d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVectorImpl<Decl *> &AllIvarDecls) : 1138bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 1139bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1140bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1141d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 1142bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 1143d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Field 114423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = P.Actions.ActOnIvar(P.getCurScope(), 1145bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 1146bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall IDecl, FD.D, FD.BitfieldSize, visibility); 11470bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian if (Field) 11480bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian AllIvarDecls.push_back(Field); 1149bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Field; 1150bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1151bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 1152d097be8f81fbf4ed96ac10bae18562dd8202666bFariborz Jahanian 1153e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 1154e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 1155bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1157df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1158ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1159ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 1160ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 1161ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 1162ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 1163ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1164ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 116560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 1166d097be8f81fbf4ed96ac10bae18562dd8202666bFariborz Jahanian Actions.ActOnLastBitfield(RBraceLoc, interfaceDecl, AllIvarDecls); 11678749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 11688749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 116923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFields(getCurScope(), atLoc, interfaceDecl, 1170beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad AllIvarDecls.data(), AllIvarDecls.size(), 11711bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 1172ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 1176dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 1177dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 1178dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1179dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @protocol identifier 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 11821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 1183dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 1184dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1185dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 1186dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 1187dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1188dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 11893536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1190dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1191d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 1192b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner AttributeList *attrList) { 1193861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 11947ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 11957ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 11961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1197083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 119823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(getCurScope()); 1199dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1200083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1201083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1202df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 12037ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 1204d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12057ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12067ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 12077ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 12087ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1210df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 12117caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 12127ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 1214bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 12157ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1217df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 12187caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 12197caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 12207caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 12217ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 12227ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 12237ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1224df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 12257ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 12267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1227d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12287ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12297caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 12307caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 12317ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 12321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1233df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 12347ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 12357ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12367ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 12377ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1238d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1240e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 12411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1242bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 1243bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian attrList); 12447caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 12451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12467ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 124771b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 12487caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 1249d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> ProtocolRefs; 125071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 12517caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 125271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 125371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1254d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1256d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ProtoType = 1257e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1258beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1259beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 126018df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 1261246e70f69cb8aeb67225c54690f1c6b25abd5a86Daniel Dunbar EndProtoLoc, attrList); 126225e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 1263bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 1264dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1265dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1266dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1267dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1268dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1269dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1270dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1271dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1272dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1273dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1274dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1275dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1276d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtImplementationDeclaration( 1277ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1278ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1279ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1280ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 12811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12823b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 12833b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 128423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(getCurScope()); 1285dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 12863b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 12873b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1288df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1289ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1290d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1291ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1292ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1293ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1294ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1297ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1298ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1299ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1300ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 130233ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 130323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(getCurScope(), nameId, nameLoc); 1304dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 130533ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 130633ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1307df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1308ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1309ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1310ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1311ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1312d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1314df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1315ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1316ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1317d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1318ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1319ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1320d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplCatType = Actions.ActOnStartCategoryImplementation( 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump atLoc, nameId, nameLoc, categoryId, 13228f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1323a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 132463e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1325d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1326ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1327ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1328ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1329ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1330df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1331ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1332ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1333df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1334ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1335d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1336ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1337ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1338ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1339ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1340d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplClsType = Actions.ActOnStartClassImplementation( 1341cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1342ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 134460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 134583c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, 134601f1bfc3284d5817517d35217885ea9ecb252817Fariborz Jahanian tok::objc_private, atLoc); 1347a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 134863e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 134963e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1350d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 135260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1353d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtEndDeclaration(SourceRange atEnd) { 1354ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1355ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1356d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result = ObjCImpDecl; 1357ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1358a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian if (ObjCImpDecl) { 135923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnAtEnd(getCurScope(), atEnd, ObjCImpDecl); 1360d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCImpDecl = 0; 136163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.pop_back(); 1362a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian } 1363782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek else { 1364782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek // missing @implementation 1365782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek Diag(atEnd.getBegin(), diag::warn_expected_implementation); 1366782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek } 1367a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian return Result; 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1369e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 13703fe104154dd2e8ffb351142d74f308938b5c99bfFariborz JahanianParser::DeclGroupPtrTy Parser::FinishPendingObjCActions() { 13713fe104154dd2e8ffb351142d74f308938b5c99bfFariborz Jahanian Actions.DiagnoseUseOfUnimplementedSelectors(); 137263e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian if (PendingObjCImpDecl.empty()) 1373d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return Actions.ConvertDeclToDeclGroup(0); 1374d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImpDecl = PendingObjCImpDecl.pop_back_val(); 137523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnAtEnd(getCurScope(), SourceRange(), ImpDecl); 137663e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian return Actions.ConvertDeclToDeclGroup(ImpDecl); 137763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian} 137863e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1379e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1380e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1381e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1382d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1383e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1384e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1385e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1386df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1387e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1388d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1389e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1390243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1391243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1392df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1393e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1394d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1395e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1396243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1397243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1398243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 13991ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@compatibility_alias"; 1400d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1401243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1402b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1403b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 14045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1406ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1407ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1408ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1409ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1410ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1411ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1412ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1413ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1414ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1415ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1416ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1417d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1418ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1419ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1420f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 14211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1422b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1423322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 142423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyDefinition(getCurScope(), ObjCImpDecl); 1425dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1426322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1427322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1428b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1429b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1430b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1431d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1432b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1433b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor 1434f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1435f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1436f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1437df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1438ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1439ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1440322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1441322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 144223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertySynthesizeIvar(getCurScope(), propertyId, 1443322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor ObjCImpDecl); 1444dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1445322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1446322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1447df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1448ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1449ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1450ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1451f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1452ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ivar-name 1453ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 145423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, true, ObjCImpDecl, 1455f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyId, propertyIvar); 1456df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1457ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1458ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1459ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1460b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::semi)) { 14611ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@synthesize"; 1462b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1463b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1464d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian else 1465d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian ConsumeToken(); // consume ';' 1466d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1467ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1468ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1469ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1470ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1471ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1472ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1473ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1474ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1475ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1476d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1477ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1478ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1479ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1480424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1481424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 148223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyDefinition(getCurScope(), ObjCImpDecl); 1483dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1484424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1485424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1486424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1487424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Diag(Tok, diag::err_expected_ident); 1488424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 1489d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1490424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1491424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1492c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1493c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 149423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, false, ObjCImpDecl, 1495c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian propertyId, 0); 1496c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1497df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1498ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1499ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1500ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 150194b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian if (Tok.isNot(tok::semi)) { 15021ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@dynamic"; 150394b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian SkipUntil(tok::semi); 150494b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian } 150594b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian else 150694b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian ConsumeToken(); // consume ';' 1507d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1508ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 15091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1510397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1511397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1512397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 151360d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 151460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res; 1515397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1516df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 151739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 15180e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1519397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 152043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1521397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1522397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 152302418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek // consume ';' 152402418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@throw"); 15259ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtThrowStmt(atLoc, Res.take(), getCurScope()); 1526397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1527397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1528c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 152978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1530c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 153160d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult 153243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1533fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1534fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 15351ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 153643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1537fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1538fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 153960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpression()); 15400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1541fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 154243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1543fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1544fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 15451ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 154643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1547fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1548fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 154978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 15501ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 155143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 155278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 15533ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 15543ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 15558935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::DeclScope); 15563ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 155760d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult SynchBody(ParseCompoundStatementBody()); 15580e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 15598935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 15600e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (SynchBody.isInvalid()) 1561fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 15629ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtSynchronizedStmt(atLoc, Res.take(), SynchBody.take()); 1563c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1564c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1565397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1566397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1567397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1568397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1569397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1570397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1571397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1572397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1573397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1574397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1575397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 157660d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1577397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 157843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1579397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1580df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 15811ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 158243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1583397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 15848f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor StmtVector CatchStmts(Actions); 158560d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyStmt; 15868935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 158760d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult TryBody(ParseCompoundStatementBody()); 15888935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 15890e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1590bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1591a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1592df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 15936b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 15946b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 15956b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 15966b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 15976b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 15986b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 15996b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 16000e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1601161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1602cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1603d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *FirstPart = 0; 16043b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1605df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1606397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1607e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1608df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1609397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1610397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 161143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl // For some odd reason, the name of the exception variable is 16121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // optional. As a result, we need to use "PrototypeContext", because 16137ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // we must accept either 'declarator' or 'abstract-declarator' here. 16147ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff Declarator ParmDecl(DS, Declarator::PrototypeContext); 16157ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 16167ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 16174e6c0d19b7c072758922cf80525a81aeefc6e64bDouglas Gregor // Inform the actions module about the declarator, so it 16187ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 161923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor FirstPart = Actions.ActOnObjCExceptionDecl(getCurScope(), ParmDecl); 162064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1621397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 16221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162393a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 16241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162593a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 162693a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 162793a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 162893a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 162993a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 163060d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult CatchBody(true); 1631c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1632c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1633c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1634c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 16350e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 16363b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 16378f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 163860d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Catch = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 16398f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor RParenLoc, 16408f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor FirstPart, 16419ae2f076ca5ab1feb3ba95629099ec2319833701John McCall CatchBody.take()); 16428f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (!Catch.isInvalid()) 16438f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor CatchStmts.push_back(Catch.release()); 16448f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 164564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 16461ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 16471ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 164843bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1649397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1650397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 16516b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 16526b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 165364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 16548935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 16550e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 165660d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyBody(true); 1657c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1658c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1659c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1660c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 16610e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1662161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 16630e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 16649ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyBody.take()); 1665397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1666397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1667397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1668397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1669bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1670397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 167143bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1672bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 16738f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 16749ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.take(), 16758f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor move_arg(CatchStmts), 16769ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyStmt.take()); 1677397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1678ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 16793536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1680ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1681d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDefinition() { 1682d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 16831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1684f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, MDecl, Tok.getLocation(), 1685f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing Objective-C method"); 16861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1687ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1688209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1689496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek if (ObjCImpDecl) { 1690496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 1691849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1692496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 1693ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1694209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1695ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1696409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1697df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1698da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 16991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1700409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1701409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 17021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1703409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1704409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1705d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1706ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1707409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 17081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1709409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 171015faee19fdb9017dd6d08a690427b18c3b062c2dChris Lattner ParseScope BodyScope(this, 171115faee19fdb9017dd6d08a690427b18c3b062c2dChris Lattner Scope::ObjCMethodScope|Scope::FnScope|Scope::DeclScope); 17121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1713409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1714394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 171523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnStartOfObjCMethodDef(getCurScope(), MDecl); 171661364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 171760d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FnBody(ParseCompoundStatementBody()); 171861364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1719409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 17200e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FnBody.isInvalid()) 1721a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 1722a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl MultiStmtArg(Actions), false); 1723798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 172432ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff // TODO: Pass argument information. 17259ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.ActOnFinishFunctionBody(MDecl, FnBody.take()); 17261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1727409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 17288935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 1729798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 173071c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 17315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17325508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 173360d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 17349a0c85e640a08174569a303db22981612f05d385Douglas Gregor if (Tok.is(tok::code_completion)) { 173523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtStatement(getCurScope()); 1736dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 17379a0c85e640a08174569a303db22981612f05d385Douglas Gregor return StmtError(); 17385d8031687d086701b4dadaab3e0de1def448da9dChris Lattner } 17395d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 17405d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_try)) 17416b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 17425d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 17435d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_throw)) 174464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 17455d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 17465d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 174764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 17485d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 174960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 17500e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 175164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 175264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 175364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 175464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 175543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 175664515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 17575d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 175864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 17599ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); 17609ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnExprStmt(Actions.MakeFullExpr(Res.take())); 176164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 176264515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 176360d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 17645508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 17659a0c85e640a08174569a303db22981612f05d385Douglas Gregor case tok::code_completion: 176623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtExpression(getCurScope()); 1767dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 17689a0c85e640a08174569a303db22981612f05d385Douglas Gregor return ExprError(); 17699a0c85e640a08174569a303db22981612f05d385Douglas Gregor 1770b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1771b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 17721d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1773b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 17744fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 17751d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 17762f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 17774fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 17784fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 17791d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 17804fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 17811d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 17824fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 17831d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 17844fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 17851d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 17864fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 17875508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 17885508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 17895508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 17906aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brirg Parse the receiver of an Objective-C++ message send. 17916aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 17926aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// This routine parses the receiver of a message send in 17936aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// Objective-C++ either as a type or as an expression. Note that this 17946aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// routine must not be called to parse a send to 'super', since it 17956aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// has no way to return such a result. 17966aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 17976aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param IsExpr Whether the receiver was parsed as an expression. 17986aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 17996aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param TypeOrExpr If the receiver was parsed as an expression (\c 18006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// IsExpr is true), the parsed expression. If the receiver was parsed 18016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// as a type (\c IsExpr is false), the parsed type. 18026aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18036aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \returns True if an error occurred during parsing or semantic 18046aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// analysis, in which case the arguments do not have valid 18056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// values. Otherwise, returns false for a successful parse. 18066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18076aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// objc-receiver: [C++] 18086aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 'super' [not parsed here] 18096aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// expression 18106aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier 18116aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// typename-specifier 18126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr) { 18130fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 18140fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 18156aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 18166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope)) 18176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TryAnnotateTypeOrScopeToken(); 18186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!isCXXSimpleTypeSpecifier()) { 18206aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 18216aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression 182260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseExpression(); 18236aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 18246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 18256aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18266aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 18276aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 18286aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 18296aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 18306aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18316aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 18326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier 18336aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier 18346aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression (that starts with one of the above) 18356aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor DeclSpec DS; 18366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor ParseCXXSimpleTypeSpecifier(DS); 18376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18386aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::l_paren)) { 18396aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // If we see an opening parentheses at this point, we are 18406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // actually parsing an expression that starts with a 18416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // function-style cast, e.g., 18426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 18436aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression: 18446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier ( expression-list [opt] ) 18456aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier ( expression-list [opt] ) 18466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 18476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the remainder of this case, then the (optional) 18486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression suffix, followed by the (optional) 18496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // right-hand side of the binary expression. We have an 18506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // instance method. 185160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseCXXTypeConstructExpression(DS); 18526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 18539ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParsePostfixExpressionSuffix(Receiver.take()); 18546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 18559ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParseRHSOfBinaryExpression(Receiver.take(), prec::Comma); 18566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 18576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 18586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 18606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 18616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 18626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 18636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We have a class message. Turn the simple-type-specifier or 18656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier we parsed into a type and parse the 18666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // remainder of the class message. 18676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 186823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult Type = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 18696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Type.isInvalid()) 18706aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 18716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = false; 1873b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TypeOrExpr = Type.get().getAsOpaquePtr(); 18746aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 18756aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 18766aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18771b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// \brief Determine whether the parser is currently referring to a an 18781b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// Objective-C message send, using a simplified heuristic to avoid overhead. 18791b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// 18801b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// This routine will only return true for a subset of valid message-send 18811b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// expressions. 18821b730e847ded503f2e615154035c083c4f94a067Douglas Gregorbool Parser::isSimpleObjCMessageExpression() { 1883c59cb38810c63a806270385f79ea84e0203754eaChris Lattner assert(Tok.is(tok::l_square) && getLang().ObjC1 && 18841b730e847ded503f2e615154035c083c4f94a067Douglas Gregor "Incorrect start for isSimpleObjCMessageExpression"); 18851b730e847ded503f2e615154035c083c4f94a067Douglas Gregor return GetLookAheadToken(1).is(tok::identifier) && 18861b730e847ded503f2e615154035c083c4f94a067Douglas Gregor GetLookAheadToken(2).is(tok::identifier); 18871b730e847ded503f2e615154035c083c4f94a067Douglas Gregor} 18881b730e847ded503f2e615154035c083c4f94a067Douglas Gregor 18899497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregorbool Parser::isStartOfObjCClassMessageMissingOpenBracket() { 18909497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!getLang().ObjC1 || !NextToken().is(tok::identifier) || 18919497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor InMessageExpression) 18929497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 18939497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 18949497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 18959497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor ParsedType Type; 18969497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 18979497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::annot_typename)) 18989497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = getTypeAnnotation(Tok); 18999497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else if (Tok.is(tok::identifier)) 19009497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = Actions.getTypeName(*Tok.getIdentifierInfo(), Tok.getLocation(), 19019497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor getCurScope()); 19029497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else 19039497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19049497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19059497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!Type.get().isNull() && Type.get()->isObjCObjectOrInterfaceType()) { 19069497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor const Token &AfterNext = GetLookAheadToken(2); 19079497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (AfterNext.is(tok::colon) || AfterNext.is(tok::r_square)) { 19089497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::identifier)) 19099497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor TryAnnotateTypeOrScopeToken(); 19109497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19119497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return Tok.is(tok::annot_typename); 19129497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 19139497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 19149497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19159497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19169497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor} 19179497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 19190ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 19200ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 19212725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// objc-receiver: [C] 1922eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner/// 'super' 19230ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 19240ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 19250ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 19266aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 192760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCMessageExpression() { 1928699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1929699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1930699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 19318e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor if (Tok.is(tok::code_completion)) { 193223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMessageReceiver(getCurScope()); 19338e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor ConsumeCodeCompletionToken(); 19348e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor SkipUntil(tok::r_square); 19358e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor return ExprError(); 19368e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor } 19378e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor 19380fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 19390fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 19406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (getLang().CPlusPlus) { 19416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We completely separate the C and C++ cases because C++ requires 19426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // more complicated (read: slower) parsing. 19436aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Handle send to super. 19456aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: This doesn't benefit from the same typo-correction we 19466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // get in Objective-C. 19476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) && Tok.getIdentifierInfo() == Ident_super && 194823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor NextToken().isNot(tok::period) && getCurScope()->isInObjcMethodScope()) 1949b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 1950b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 19516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the receiver, which is either a type or an expression. 19536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool IsExpr; 1954304b752a450c0fc5968c20ba25446d0bb7c6f68dNick Lewycky void *TypeOrExpr = NULL; 19556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) { 19566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor SkipUntil(tok::r_square); 19576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ExprError(); 19586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 19596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (IsExpr) 1961b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 1962b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 19639ae2f076ca5ab1feb3ba95629099ec2319833701John McCall static_cast<Expr*>(TypeOrExpr)); 19646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 1966b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType::getFromOpaquePtr(TypeOrExpr), 1967b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 0); 1968c59cb38810c63a806270385f79ea84e0203754eaChris Lattner } 1969c59cb38810c63a806270385f79ea84e0203754eaChris Lattner 1970c59cb38810c63a806270385f79ea84e0203754eaChris Lattner if (Tok.is(tok::identifier)) { 19711dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 19721dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor SourceLocation NameLoc = Tok.getLocation(); 1973b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType; 197423c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor switch (Actions.getObjCMessageKind(getCurScope(), Name, NameLoc, 19751dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor Name == Ident_super, 19761569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor NextToken().is(tok::period), 19771569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ReceiverType)) { 1978f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCSuperMessage: 1979b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 1980b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 19812725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 1982f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCClassMessage: 19831569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor if (!ReceiverType) { 19842725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SkipUntil(tok::r_square); 19852725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor return ExprError(); 19862725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor } 19872725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 19881569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ConsumeToken(); // the type name 19891569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor 19901569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 19919ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ReceiverType, 0); 19921dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor 1993f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCInstanceMessage: 19942725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor // Fall through to parse an expression. 19951dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor break; 1996d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 1997699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 1998eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner 1999eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner // Otherwise, an arbitrary expression can be the receiver of a send. 200060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpression()); 20010e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 20025c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 20031d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 2004699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 20051d922960e083906a586609ac6978678147250177Sebastian Redl 2006b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2007b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), Res.take()); 2008699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 20091d922960e083906a586609ac6978678147250177Sebastian Redl 20102725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \brief Parse the remainder of an Objective-C message following the 20112725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// '[' objc-receiver. 20122725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20132725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// This routine handles sends to super, class messages (sent to a 20142725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class name), and instance messages (sent to an object), and the 20152725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// target is represented by \p SuperLoc, \p ReceiverType, or \p 20162725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// ReceiverExpr, respectively. Only one of these parameters may have 20172725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// a valid value. 20182725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20192725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param LBracLoc The location of the opening '['. 20202725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20212725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param SuperLoc If this is a send to 'super', the location of the 20222725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 'super' keyword that indicates a send to the superclass. 20232725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20242725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverType If this is a class message, the type of the 20252725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class we are sending a message to. 20262725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20272725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverExpr If this is an instance message, the expression 20282725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// used to compute the receiver object. 20291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 20300ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 20310ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 20320ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 20330ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 20340ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 20350ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 20360ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 20370ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 20381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 20390ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 20400ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 20410ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 20420ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 20430ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 20440ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 20450ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 20460ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 20471d922960e083906a586609ac6978678147250177Sebastian Redl/// 204860d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2049699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 20502725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation SuperLoc, 2051b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, 20521d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 20530fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 20540fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 2055c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 20562725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 205770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 0, 0, 205870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 20592725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 206070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 0, 0, 206170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 2062c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 20639ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 206470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 0, 0, false); 2065dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 2066c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 2067d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 2068a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 20694b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 20702fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 207168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2072ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson SourceLocation SelectorLoc = Loc; 20731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 207468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 2075a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 207668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2077df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 2078a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 2079a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 208068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 208137387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 2082df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 2083a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 20844fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 20854fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 20864fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 20874fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 20881d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2089a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 20901d922960e083906a586609ac6978678147250177Sebastian Redl 209168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 20921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 209370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 209470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (Tok.is(tok::code_completion)) { 209570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (SuperLoc.isValid()) 209670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 209770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 209870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 209970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 210070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else if (ReceiverType) 210170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 210270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 210370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 210470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 210570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else 210670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 210770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 210870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 210970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 211070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 211170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor ConsumeCodeCompletionToken(); 211270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor SkipUntil(tok::r_square); 211370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 211470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor } 211570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 211660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 21170e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 21184fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21194fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21204fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21214fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21221d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 212337387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 21241d922960e083906a586609ac6978678147250177Sebastian Redl 212537387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 2126effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 21271d922960e083906a586609ac6978678147250177Sebastian Redl 2128d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor // Code completion after each argument. 2129d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (Tok.is(tok::code_completion)) { 21302725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 213123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 21322725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor KeyIdents.data(), 213370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 213470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 21352725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 213623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2137d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 213870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 213970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2140d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor else 21419ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2142d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 214370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 214470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2145dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 214670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor SkipUntil(tok::r_square); 214770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 2148d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor } 2149d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 215037387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 21512fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 2152df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 2153a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 2154a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 2155a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2156a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 2157df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 215849f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 21591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 216060d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 21610e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 21624fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21634fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21644fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21654fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21661d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 216749f109c786f99eb7468dac3976db083a65493444Steve Naroff } 21680e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 216949f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 2170effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 2171a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2172a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 2173a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 21741d922960e083906a586609ac6978678147250177Sebastian Redl 21754fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21764fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21774fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21784fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21791d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2180a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2181809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian 2182df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 2183809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian if (Tok.is(tok::identifier)) 2184809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_colon); 2185809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian else 2186809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 21874fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21884fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21894fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21904fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21911d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2192a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 21931d922960e083906a586609ac6978678147250177Sebastian Redl 2194699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 21951d922960e083906a586609ac6978678147250177Sebastian Redl 219629238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 2197ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 2198ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 2199ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 22001d922960e083906a586609ac6978678147250177Sebastian Redl 22012725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 220223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnSuperMessage(getCurScope(), SuperLoc, Sel, 22032725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2204f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2205f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2206f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22072725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 220823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnClassMessage(getCurScope(), ReceiverType, Sel, 22092725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2210f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2211f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2212f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22139ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnInstanceMessage(getCurScope(), ReceiverExpr, Sel, 22142725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2215f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2216f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2217f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22180ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 22190ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 222060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 222160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseStringLiteralExpression()); 22221d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 22231d922960e083906a586609ac6978678147250177Sebastian Redl 2224b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 2225b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 2226b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 2227b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 2228a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 2229b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 2230effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 22310e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2232b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 2233b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 2234b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 223515faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 223697cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 223797cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 2238b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 223960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Lit(ParseStringLiteralExpression()); 22400e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 22411d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 22420e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2243effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 2244b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 22451d922960e083906a586609ac6978678147250177Sebastian Redl 22461d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 22471d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 22485508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 2249f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 2250f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 2251f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 225260d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 22531d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 2254861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 22551d922960e083906a586609ac6978678147250177Sebastian Redl 2256f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 22571d922960e083906a586609ac6978678147250177Sebastian Redl 22584fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 22591d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 22601d922960e083906a586609ac6978678147250177Sebastian Redl 2261f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 22621d922960e083906a586609ac6978678147250177Sebastian Redl 2263809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 22641d922960e083906a586609ac6978678147250177Sebastian Redl 22654988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 22661d922960e083906a586609ac6978678147250177Sebastian Redl 2267809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2268809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2269809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 22701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, 2271809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc)); 2272f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 227329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 227429b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 227529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 227660d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 22771d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 227829b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 22791d922960e083906a586609ac6978678147250177Sebastian Redl 22804fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 22811d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 22821d922960e083906a586609ac6978678147250177Sebastian Redl 228329b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 22841d922960e083906a586609ac6978678147250177Sebastian Redl 22854fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 22861d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 22871d922960e083906a586609ac6978678147250177Sebastian Redl 2288390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 228929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 22901d922960e083906a586609ac6978678147250177Sebastian Redl 22914988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 229229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 22931d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 22941d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 229529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 2296a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 2297a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 2298a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 229960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 2300a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 23011d922960e083906a586609ac6978678147250177Sebastian Redl 23024fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 23031d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 23041d922960e083906a586609ac6978678147250177Sebastian Redl 2305b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 2306a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 2307a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 2308458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2309458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2310458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2311458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 2312458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor ConsumeCodeCompletionToken(); 2313458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor MatchRHSPunctuation(tok::r_paren, LParenLoc); 2314458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2315458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2316458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 23172fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 23185add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (!SelIdent && // missing selector name. 23195add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 23201d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 23211d922960e083906a586609ac6978678147250177Sebastian Redl 2322b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2323887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 2324887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 2325a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 23265add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (Tok.is(tok::coloncolon)) { // Handle :: in C++. 23275add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 23285add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner KeyIdents.push_back(0); 23295add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner } else if (Tok.isNot(tok::colon)) 23301d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 23311d922960e083906a586609ac6978678147250177Sebastian Redl 23325add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 2333a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 2334a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 2335a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2336458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2337458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2338458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2339458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 2340458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor ConsumeCodeCompletionToken(); 2341458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor MatchRHSPunctuation(tok::r_paren, LParenLoc); 2342458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2343458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2344458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2345a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 2346a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 23472fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 2348b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2349a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 2350a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2351a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 2352887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 2353a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 2354887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 23551d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 23561d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 235758065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 2358