ParseObjc.cpp revision 0fe5397b26695926a835fa99eceb7fc879b307af
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); 437f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_interface: { 447f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 457f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseObjCAtInterfaceDeclaration(AtLoc, attrs); 467f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 477f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall case tok::objc_protocol: { 487f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 497f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall return ParseObjCAtProtocolDeclaration(AtLoc, attrs); 507f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 515ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_implementation: 525ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtImplementationDeclaration(AtLoc); 535ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_end: 545ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtEndDeclaration(AtLoc); 555ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_compatibility_alias: 565ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCAtAliasDeclaration(AtLoc); 575ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_synthesize: 585ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertySynthesize(AtLoc); 595ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner case tok::objc_dynamic: 605ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner return ParseObjCPropertyDynamic(AtLoc); 615ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner default: 625ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Diag(AtLoc, diag::err_unexpected_at); 635ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner SkipUntil(tok::semi); 64d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-declaration: 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// '@' 'class' identifier-list ';' 711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 72d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); // the identifier "class" 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<IdentifierInfo *, 8> ClassNames; 75c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek llvm::SmallVector<SourceLocation, 8> ClassLocs; 76c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (1) { 79df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(Tok, diag::err_expected_ident); 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SkipUntil(tok::semi); 82d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ClassNames.push_back(Tok.getIdentifierInfo()); 85c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.push_back(Tok.getLocation()); 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConsumeToken(); 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Consume the ';'. 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) 96d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek return Actions.ActOnForwardClassDeclaration(atLoc, ClassNames.data(), 99c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassLocs.data(), 100c09cba67d0ad01e53e0fed07322e95dd281bcfd9Ted Kremenek ClassNames.size()); 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 103dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 104dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface: 105dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes[opt] objc-class-interface 106dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface 107dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 108dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface: 1091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier objc-superclass[opt] 110dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 1111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-class-instance-variables[opt] 112dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 113dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 114dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 115dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-interface: 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// '@' 'interface' identifier '(' identifier[opt] ')' 117dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs[opt] 118dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list 119dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 120dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 121dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-superclass: 122dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ':' identifier 123dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 124dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-interface-attributes: 125dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("default"))) 126dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((visibility("hidden"))) 127dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((deprecated)) 128dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((unavailable)) 129dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// __attribute__((objc_exception)) - used by NSException on 64-bit 130dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1317f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCallDecl *Parser::ParseObjCAtInterfaceDeclaration(SourceLocation atLoc, 1327f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 133861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_interface) && 134dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff "ParseObjCAtInterfaceDeclaration(): Expected @interface"); 135dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); // the "interface" identifier 1361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1373b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@interface'. 1383b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 13923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceDecl(getCurScope()); 140dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1413b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 1423b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 143df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 144dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing class or category name. 145d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 146dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 14763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 148dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // We have a class or category name - consume it. 1497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *nameId = Tok.getIdentifierInfo(); 150dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation nameLoc = ConsumeToken(); 1515512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::l_paren) && 1525512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian !isKnownToBeTypeSpecifier(GetLookAheadToken(1))) { // we have a category. 153dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation lparenLoc = ConsumeParen(); 154dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation categoryLoc, rparenLoc; 155dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *categoryId = 0; 15633ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 15723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCInterfaceCategory(getCurScope(), nameId, nameLoc); 158dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 15933ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 16033ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 161527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff // For ObjC2, the category name is optional (not an error). 162df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 163dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryId = Tok.getIdentifierInfo(); 164dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff categoryLoc = ConsumeToken(); 16505511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 16605511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian else if (!getLang().ObjC2) { 167527fe23f8cbc6a4da1737a547a2517bc92fa88c8Steve Naroff Diag(Tok, diag::err_expected_ident); // missing category name. 168d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 169dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 170df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 171dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_rparen); 172dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SkipUntil(tok::r_paren, false); // don't stop at ';' 173d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 174dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 175dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff rparenLoc = ConsumeParen(); 1765512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian // Next, we need to check for any protocol references. 1775512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian SourceLocation LAngleLoc, EndProtoLoc; 178d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> ProtocolRefs; 1795512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 1805512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::less) && 1815512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 18271b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 183d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 18405511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian 1857f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (!attrs.empty()) // categories don't support attributes. 1865512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian Diag(Tok, diag::err_objc_no_attributes_on_category); 1875512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian 188d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *CategoryType = 1895512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian Actions.ActOnStartCategoryInterface(atLoc, 1905512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian nameId, nameLoc, 1915512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian categoryId, categoryLoc, 1925512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.data(), 1935512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolRefs.size(), 1945512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ProtocolLocs.data(), 1955512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian EndProtoLoc); 1965512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian if (Tok.is(tok::l_brace)) 19783c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian ParseObjCClassInstanceVariables(CategoryType, tok::objc_private, 19883c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian atLoc); 19983c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian 2005512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); 2015512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return CategoryType; 202dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 203dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Parse a class interface. 204dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff IdentifierInfo *superClassId = 0; 205dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff SourceLocation superClassLoc; 2067ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 207df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { // a super class is specified. 208dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff ConsumeToken(); 2093b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 2103b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion of superclass names. 2113b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 21223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperclass(getCurScope(), nameId, nameLoc); 213dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 2143b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 2153b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 216df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 217dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff Diag(Tok, diag::err_expected_ident); // missing super class name. 218d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 219dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 220dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassId = Tok.getIdentifierInfo(); 221dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff superClassLoc = ConsumeToken(); 222dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff } 223dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff // Next, we need to check for any protocol references. 224d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> ProtocolRefs; 22571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 22671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 22706036d3709955a53297b4cbe14e20db88f321470Chris Lattner if (Tok.is(tok::less) && 22871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, true, 22971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 230d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 2311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 232d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ClsType = 2331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, 23406036d3709955a53297b4cbe14e20db88f321470Chris Lattner superClassId, superClassLoc, 235beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), ProtocolRefs.size(), 23618df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 2377f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 2381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 239df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_brace)) 24083c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian ParseObjCClassInstanceVariables(ClsType, tok::objc_protected, atLoc); 241dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 24225e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); 2435512ba538f3f6b0576623f680fa7d930fa085ccdFariborz Jahanian return ClsType; 244dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 245dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 246d0014540005f2a5ab837365db6bd40f479406758John McCall/// The Objective-C property callback. This should be defined where 247d0014540005f2a5ab837365db6bd40f479406758John McCall/// it's used, but instead it's been lifted to here to support VS2005. 248d0014540005f2a5ab837365db6bd40f479406758John McCallstruct Parser::ObjCPropertyCallback : FieldCallback { 249d0014540005f2a5ab837365db6bd40f479406758John McCall Parser &P; 250d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *IDecl; 251d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVectorImpl<Decl *> &Props; 252d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS; 253d0014540005f2a5ab837365db6bd40f479406758John McCall SourceLocation AtLoc; 254d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind; 255d0014540005f2a5ab837365db6bd40f479406758John McCall 256d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCPropertyCallback(Parser &P, Decl *IDecl, 257d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVectorImpl<Decl *> &Props, 258d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCDeclSpec &OCDS, SourceLocation AtLoc, 259d0014540005f2a5ab837365db6bd40f479406758John McCall tok::ObjCKeywordKind MethodImplKind) : 260d0014540005f2a5ab837365db6bd40f479406758John McCall P(P), IDecl(IDecl), Props(Props), OCDS(OCDS), AtLoc(AtLoc), 261d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind(MethodImplKind) { 262d0014540005f2a5ab837365db6bd40f479406758John McCall } 263d0014540005f2a5ab837365db6bd40f479406758John McCall 264d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 265d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.D.getIdentifier() == 0) { 266d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_requires_field_name) 267d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 268d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 269d0014540005f2a5ab837365db6bd40f479406758John McCall } 270d0014540005f2a5ab837365db6bd40f479406758John McCall if (FD.BitfieldSize) { 271d0014540005f2a5ab837365db6bd40f479406758John McCall P.Diag(AtLoc, diag::err_objc_property_bitfield) 272d0014540005f2a5ab837365db6bd40f479406758John McCall << FD.D.getSourceRange(); 273d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 274d0014540005f2a5ab837365db6bd40f479406758John McCall } 275d0014540005f2a5ab837365db6bd40f479406758John McCall 276d0014540005f2a5ab837365db6bd40f479406758John McCall // Install the property declarator into interfaceDecl. 277d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SelName = 278d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); 279d0014540005f2a5ab837365db6bd40f479406758John McCall 280d0014540005f2a5ab837365db6bd40f479406758John McCall Selector GetterSel = 281d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable().getNullarySelector(SelName); 282d0014540005f2a5ab837365db6bd40f479406758John McCall IdentifierInfo *SetterName = OCDS.getSetterName(); 283d0014540005f2a5ab837365db6bd40f479406758John McCall Selector SetterSel; 284d0014540005f2a5ab837365db6bd40f479406758John McCall if (SetterName) 285d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = P.PP.getSelectorTable().getSelector(1, &SetterName); 286d0014540005f2a5ab837365db6bd40f479406758John McCall else 287d0014540005f2a5ab837365db6bd40f479406758John McCall SetterSel = SelectorTable::constructSetterName(P.PP.getIdentifierTable(), 288d0014540005f2a5ab837365db6bd40f479406758John McCall P.PP.getSelectorTable(), 289d0014540005f2a5ab837365db6bd40f479406758John McCall FD.D.getIdentifier()); 290d0014540005f2a5ab837365db6bd40f479406758John McCall bool isOverridingProperty = false; 291d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Property = 29223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor P.Actions.ActOnProperty(P.getCurScope(), AtLoc, FD, OCDS, 293d0014540005f2a5ab837365db6bd40f479406758John McCall GetterSel, SetterSel, IDecl, 294d0014540005f2a5ab837365db6bd40f479406758John McCall &isOverridingProperty, 295d0014540005f2a5ab837365db6bd40f479406758John McCall MethodImplKind); 296d0014540005f2a5ab837365db6bd40f479406758John McCall if (!isOverridingProperty) 297d0014540005f2a5ab837365db6bd40f479406758John McCall Props.push_back(Property); 298d0014540005f2a5ab837365db6bd40f479406758John McCall 299d0014540005f2a5ab837365db6bd40f479406758John McCall return Property; 300d0014540005f2a5ab837365db6bd40f479406758John McCall } 301d0014540005f2a5ab837365db6bd40f479406758John McCall}; 302d0014540005f2a5ab837365db6bd40f479406758John McCall 303dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list: 304dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// empty 305dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list objc-property-decl [OBJC2] 306294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-interface-decl-list objc-method-requirement [OBJC2] 3073536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-interface-decl-list objc-method-proto ';' 308dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list declaration 309dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-interface-decl-list ';' 310dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 311294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-requirement: [OBJC2] 312294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @required 313294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// @optional 314294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 315d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCInterfaceDeclList(Decl *interfaceDecl, 316cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner tok::ObjCKeywordKind contextKey) { 317d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 32> allMethods; 318d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 16> allProperties; 319682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner llvm::SmallVector<DeclGroupPtrTy, 8> allTUVariables; 32000933591a2795d09dd1acff12a2d21bce7cb12c5Fariborz Jahanian tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; 3211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 322782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceRange AtEnd; 323bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 324294494e1cce92043562b4680c613df7fd028c02eSteve Naroff while (1) { 325e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If this is a method prototype, parse it. 326df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::minus) || Tok.is(tok::plus)) { 327d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *methodPrototype = 328df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); 32925e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian allMethods.push_back(methodPrototype); 3303536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for 3313536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // method definitions. 332b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_after_method_proto, 333b6d74a158a9c002e3c0fcbda8ad8d0ccbb2e5088Chris Lattner "", tok::semi); 334294494e1cce92043562b4680c613df7fd028c02eSteve Naroff continue; 335294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 33605511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian if (Tok.is(tok::l_paren)) { 33705511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian Diag(Tok, diag::err_expected_minus_or_plus); 338d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParseObjCMethodDecl(Tok.getLocation(), 339d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::minus, 340d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall interfaceDecl, 341d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall MethodImplKind); 34205511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian continue; 34305511fa6349ef0820a778f8c840d0b64e05e9aeeFariborz Jahanian } 344e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Ignore excess semicolons. 345e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::semi)) { 346294494e1cce92043562b4680c613df7fd028c02eSteve Naroff ConsumeToken(); 347e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 348e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 350bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // If we got to the end of the file, exit the loop. 351e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.is(tok::eof)) 352e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian break; 3531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 354b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor // Code completion within an Objective-C interface. 355b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor if (Tok.is(tok::code_completion)) { 35623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 357f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall ObjCImpDecl? Sema::PCC_ObjCImplementation 358f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall : Sema::PCC_ObjCInterface); 359dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 360b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor } 361b6ac2451bfed36206c5cec7217372c4299f67f2bDouglas Gregor 362e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // If we don't have an @ directive, parse it as a function definition. 363e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (Tok.isNot(tok::at)) { 3641fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // The code below does not consume '}'s because it is afraid of eating the 3651fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // end of a namespace. Because of the way this code is structured, an 3661fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner // erroneous r_brace would cause an infinite loop if not handled here. 3671fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner if (Tok.is(tok::r_brace)) 3681fd80116b49782c367ff5d5f50a8b76dd8a5d7f7Chris Lattner break; 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3704985aceceb9b9261b876b515d32726175c13a775Steve Naroff // FIXME: as the name implies, this rule allows function definitions. 3714985aceceb9b9261b876b515d32726175c13a775Steve Naroff // We could pass a flag or check for functions during semantic analysis. 3727f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 3737f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall allTUVariables.push_back(ParseDeclarationOrFunctionDefinition(attrs)); 374e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner continue; 375e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner } 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 377e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Otherwise, we have an @ directive, eat the @. 378e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner SourceLocation AtLoc = ConsumeToken(); // the "@" 379c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 38023c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtDirective(getCurScope(), ObjCImpDecl, true); 381dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 382c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor break; 383c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } 384c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor 385a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 387a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner if (DirectiveKind == tok::objc_end) { // @end -> terminate list 388782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setBegin(AtLoc); 389782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek AtEnd.setEnd(Tok.getLocation()); 390e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner break; 391c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor } else if (DirectiveKind == tok::objc_not_keyword) { 392c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor Diag(Tok, diag::err_objc_unknown_at); 393c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor SkipUntil(tok::semi); 394c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor continue; 395bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner } 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 397bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Eat the identifier. 398bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); 399bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 400a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner switch (DirectiveKind) { 401a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner default: 402bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: If someone forgets an @end on a protocol, this loop will 403bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // continue to eat up tons of stuff and spew lots of nonsense errors. It 404bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // would probably be better to bail out if we saw an @class or @interface 405bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // or something like that. 406f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner Diag(AtLoc, diag::err_objc_illegal_interface_qual); 407bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // Skip until we see an '@' or '}' or ';'. 408a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner SkipUntil(tok::r_brace, tok::at); 409a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 41046d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 41146d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian case tok::objc_implementation: 412df81c2c6ce37f4ae3c45dd01093b6274fa0b6692Fariborz Jahanian case tok::objc_interface: 41346d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian Diag(Tok, diag::err_objc_missing_end); 41446d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian ConsumeToken(); 41546d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian break; 41646d545e355a4fea2a201652c3c8bbf22a13187a6Fariborz Jahanian 417a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_required: 418a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_optional: 419a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // This is only valid on protocols. 420bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // FIXME: Should this check for ObjC2 being enabled? 421e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner if (contextKey != tok::objc_protocol) 422bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(AtLoc, diag::err_objc_directive_only_in_protocol); 423a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner else 424bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner MethodImplKind = DirectiveKind; 425a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 427a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner case tok::objc_property: 428f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (!getLang().ObjC2) 429b321c0c0ba957d78475e72cebde4028fdaa00f8fChris Lattner Diag(AtLoc, diag::err_objc_properties_require_objc2); 430f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner 431e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner ObjCDeclSpec OCDS; 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse property attribute list, if any. 4338ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner if (Tok.is(tok::l_paren)) 434bdb2d5056fd675c27307b34efd371bbba6839e92Douglas Gregor ParseObjCPropertyAttribute(OCDS, interfaceDecl); 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 436d0014540005f2a5ab837365db6bd40f479406758John McCall ObjCPropertyCallback Callback(*this, interfaceDecl, allProperties, 437d0014540005f2a5ab837365db6bd40f479406758John McCall OCDS, AtLoc, MethodImplKind); 438bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 439e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner // Parse all the comma separated declarators. 440e82a10fbba9e33b253119c7c1e0a9801caef486dChris Lattner DeclSpec DS; 441bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 4421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 443a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", 444a1fed7e3beebf9bb1bc85123f283be3eb631c120Chris Lattner tok::at); 445a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner break; 446f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff } 447294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 448bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner 449bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // We break out of the big loop in two cases: when we see @end or when we see 450bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // EOF. In the former case, eat the @end. In the later case, emit an error. 451c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor if (Tok.is(tok::code_completion)) { 45223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtDirective(getCurScope(), ObjCImpDecl, true); 453dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 454c464ae8444edb6d07ea49b7a0eae1674c0fa1bb8Douglas Gregor } else if (Tok.isObjCAtKeyword(tok::objc_end)) 455bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner ConsumeToken(); // the "end" identifier 456bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner else 457bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner Diag(Tok, diag::err_objc_missing_end); 4581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 459a2449b2bf739545494241e189b59587d5ca5c2c1Chris Lattner // Insert collected methods declarations into the @interface object. 460bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. 46123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnAtEnd(getCurScope(), AtEnd, interfaceDecl, 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump allMethods.data(), allMethods.size(), 463beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allProperties.data(), allProperties.size(), 464beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad allTUVariables.data(), allTUVariables.size()); 465294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 466294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 467d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// Parse property attribute declarations. 468d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 469d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attr-decl: '(' property-attrlist ')' 470d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist: 471d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute 472d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attrlist ',' property-attribute 473d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// property-attribute: 474d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// getter '=' identifier 475d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// setter '=' identifier ':' 476d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readonly 477d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// readwrite 478d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// assign 479d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// retain 480d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// copy 481d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// nonatomic 482d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian/// 483bdb2d5056fd675c27307b34efd371bbba6839e92Douglas Gregorvoid Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS, Decl *ClassDecl) { 4848ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner assert(Tok.getKind() == tok::l_paren); 485dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner SourceLocation LHSLoc = ConsumeParen(); // consume '(' 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 487cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner while (1) { 488ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff if (Tok.is(tok::code_completion)) { 48923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyFlags(getCurScope(), DS); 490dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 491ece8e71d12b6f4cb2dc501297afef126dab8ad74Steve Naroff } 492d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian const IdentifierInfo *II = Tok.getIdentifierInfo(); 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 494f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner // If this is not an identifier at all, bail out early. 495f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner if (II == 0) { 496f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 497f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner return; 498f6ed85533583dae18a44ddc4be6cfc4d68749e36Chris Lattner } 4991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 500156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner SourceLocation AttrName = ConsumeToken(); // consume last attribute name 5011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner if (II->isStr("readonly")) 503e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); 50492e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("assign")) 505e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); 50692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("readwrite")) 507e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); 50892e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("retain")) 509e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); 51092e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("copy")) 511e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); 51292e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("nonatomic")) 513e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); 514dd4430e596fac34e9ce44228a249f71e73effd4aFariborz Jahanian else if (II->isStr("atomic")) 515dd4430e596fac34e9ce44228a249f71e73effd4aFariborz Jahanian DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_atomic); 51692e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner else if (II->isStr("getter") || II->isStr("setter")) { 51742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson bool IsSetter = II->getNameStart()[0] == 's'; 51842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 519e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner // getter/setter require extra treatment. 52042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson unsigned DiagID = IsSetter ? diag::err_objc_expected_equal_for_setter : 52142499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson diag::err_objc_expected_equal_for_getter; 52242499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 52342499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (ExpectAndConsume(tok::equal, DiagID, "", tok::r_paren)) 524dd5b5f2bb73d037745940431b71eb98393d12d4fChris Lattner return; 5251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5264ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor if (Tok.is(tok::code_completion)) { 52742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) 528bdb2d5056fd675c27307b34efd371bbba6839e92Douglas Gregor Actions.CodeCompleteObjCPropertySetter(getCurScope(), ClassDecl); 5294ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor else 530bdb2d5056fd675c27307b34efd371bbba6839e92Douglas Gregor Actions.CodeCompleteObjCPropertyGetter(getCurScope(), ClassDecl); 531dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 5324ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor } 5334ad9685b3e2d5e2923c9cda7baaf7973ef0b1c62Douglas Gregor 53442499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 53542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson SourceLocation SelLoc; 53642499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson IdentifierInfo *SelIdent = ParseObjCSelectorPiece(SelLoc); 53742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson 53842499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (!SelIdent) { 53942499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson Diag(Tok, diag::err_objc_expected_selector_for_getter_setter) 54042499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson << IsSetter; 5418ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner SkipUntil(tok::r_paren); 5428ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5438ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 5441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson if (IsSetter) { 5468ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); 54742499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setSetterName(SelIdent); 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 549e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian if (ExpectAndConsume(tok::colon, 550e0097db2848c463a534c18c235c6d3e53f2f1b87Fariborz Jahanian diag::err_expected_colon_after_setter_name, "", 551156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner tok::r_paren)) 5528ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner return; 5538ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } else { 5548ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); 55542499be29b620d2eae34beb0f4d0f9da5a9584daAnders Carlsson DS.setGetterName(SelIdent); 5568ca329c00e72f301cbaaa42229b20a2f5bc793e5Chris Lattner } 557e00da7c2f47d4a3d9615c1056a8a65e459113de3Chris Lattner } else { 558a9500f05ba6c09bbd84d342236863833067cd816Chris Lattner Diag(AttrName, diag::err_objc_expected_property_attr) << II; 559cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner SkipUntil(tok::r_paren); 560cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner return; 561cd9f4b31c4fe5b77b5519cc17b4583fab912bad1Chris Lattner } 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 563156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner if (Tok.isNot(tok::comma)) 564156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner break; 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 566156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner ConsumeToken(); 567d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian } 5681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 569156b061e4918a5e7ecd8eb317975de0e6be2688bChris Lattner MatchRHSPunctuation(tok::r_paren, LHSLoc); 570d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian} 571d0f97d1716a138a8d9e0df8e5af77334663723d8Fariborz Jahanian 5723536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-proto: 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-instance-method objc-method-decl objc-method-attributes[opt] 5743536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-class-method objc-method-decl objc-method-attributes[opt] 575294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 576294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-instance-method: '-' 577294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-class-method: '+' 578294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 5794985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-method-attributes: [OBJC2] 5804985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// __attribute__((deprecated)) 5814985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// 582d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodPrototype(Decl *IDecl, 583d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall tok::ObjCKeywordKind MethodImplKind) { 584df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); 585294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 5861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump tok::TokenKind methodType = Tok.getKind(); 587bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation mLoc = ConsumeToken(); 588d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl,MethodImplKind); 5893536b443bc50d58a79f14fca9b6842541a434854Steve Naroff // Since this rule is used for both method declarations and definitions, 5902bd42fadafddc8acf744b57a970bdc96a077c617Steve Naroff // the caller is (optionally) responsible for consuming the ';'. 591f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return MDecl; 592294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 593294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 594294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector: 595294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// identifier 596294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// one of 597294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// enum struct union if else while do for switch case default 598294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// break continue return goto asm sizeof typeof __alignof 599294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// unsigned long const short volatile signed restrict _Complex 600294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// in out inout bycopy byref oneway int char float double void _Bool 601294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 6022fc5c2428ecb450a3256c8316b93b8655cb76a0fChris LattnerIdentifierInfo *Parser::ParseObjCSelectorPiece(SourceLocation &SelectorLoc) { 603be74740cc246ce08d42804a684385a42eb814edbFariborz Jahanian 604ff38491c18b060526d754765b952f4a497a89416Chris Lattner switch (Tok.getKind()) { 605ff38491c18b060526d754765b952f4a497a89416Chris Lattner default: 606ff38491c18b060526d754765b952f4a497a89416Chris Lattner return 0; 607afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampamp: 608afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::ampequal: 609afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::amp: 610afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipe: 611afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::tilde: 612afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaim: 613afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::exclaimequal: 614afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipepipe: 615afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::pipeequal: 616afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caret: 617afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian case tok::caretequal: { 6183846ca29a8cc1d376a4b695194c29952dbbfb544Fariborz Jahanian std::string ThisTok(PP.getSpelling(Tok)); 619afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian if (isalpha(ThisTok[0])) { 620afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian IdentifierInfo *II = &PP.getIdentifierTable().get(ThisTok.data()); 621afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian Tok.setKind(tok::identifier); 622afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian SelectorLoc = ConsumeToken(); 623afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return II; 624afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 625afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian return 0; 626afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian } 627afbc68177cc11b8bfa47464b20e15d5f8fb21d4eFariborz Jahanian 628ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::identifier: 629ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_asm: 630ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw_auto: 6319298d9655aed28b2d9f6cc65c81401b209f03fdcChris Lattner case tok::kw_bool: 632ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_break: 633ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_case: 634ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_catch: 635ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_char: 636ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_class: 637ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const: 638ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_const_cast: 639ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_continue: 640ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_default: 641ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_delete: 642ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_do: 643ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_double: 644ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_dynamic_cast: 645ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_else: 646ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_enum: 647ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_explicit: 648ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_export: 649ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_extern: 650ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_false: 651ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_float: 652ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_for: 653ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_friend: 654ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_goto: 655ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_if: 656ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_inline: 657ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_int: 658ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_long: 659ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_mutable: 660ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_namespace: 661ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_new: 662ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_operator: 663ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_private: 664ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_protected: 665ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_public: 666ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_register: 667ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_reinterpret_cast: 668ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_restrict: 669ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_return: 670ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_short: 671ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_signed: 672ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_sizeof: 673ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static: 674ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_static_cast: 675ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_struct: 676ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_switch: 677ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_template: 678ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_this: 679ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_throw: 680ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_true: 681ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_try: 682ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typedef: 683ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeid: 684ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typename: 685ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_typeof: 686ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_union: 687ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_unsigned: 688ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_using: 689ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_virtual: 690ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_void: 691ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_volatile: 692ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_wchar_t: 693ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw_while: 694ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Bool: 695ff38491c18b060526d754765b952f4a497a89416Chris Lattner case tok::kw__Complex: 696ef048ef393960728bdc82cd5c45035bde7013b6aAnders Carlsson case tok::kw___alignof: 697ff38491c18b060526d754765b952f4a497a89416Chris Lattner IdentifierInfo *II = Tok.getIdentifierInfo(); 6984b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SelectorLoc = ConsumeToken(); 699ff38491c18b060526d754765b952f4a497a89416Chris Lattner return II; 700d064951b0dcc95f8604d0d69ae82d9ecbd38c796Fariborz Jahanian } 701294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 702294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 7030196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// objc-for-collection-in: 'in' 7040196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian/// 705335a2d4122e41343fe11a775889b8bec5b14be60Fariborz Jahanianbool Parser::isTokIdentifier_in() const { 7063ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // FIXME: May have to do additional look-ahead to only allow for 7073ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // valid tokens following an 'in'; such as an identifier, unary operators, 7083ba5a0f90a03d5e13d02cbee9abd2a1ba01b18bcFariborz Jahanian // '[' etc. 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (getLang().ObjC2 && Tok.is(tok::identifier) && 7105ffb14b7e88e587cd2f78dcc3a966a64108920f0Chris Lattner Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); 7110196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian} 7120196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 713a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ParseObjCTypeQualifierList - This routine parses the objective-c's type 714e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// qualifier list and builds their bitmask representation in the input 715e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// argument. 716294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 717294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers: 718294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifier 719294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-qualifiers objc-type-qualifier 720294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 721d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregorvoid Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS, bool IsParameter) { 722e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner while (1) { 723d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor if (Tok.is(tok::code_completion)) { 724d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor Actions.CodeCompleteObjCPassingType(getCurScope(), DS); 725d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor ConsumeCodeCompletionToken(); 726d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor } 727d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor 728cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isNot(tok::identifier)) 729e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner return; 7301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 731e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner const IdentifierInfo *II = Tok.getIdentifierInfo(); 732e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner for (unsigned i = 0; i != objc_NumQuals; ++i) { 733a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (II != ObjCTypeQuals[i]) 734e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner continue; 7351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 736a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec::ObjCDeclQualifier Qual; 737e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner switch (i) { 738e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner default: assert(0 && "Unknown decl qualifier"); 739a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_in: Qual = ObjCDeclSpec::DQ_In; break; 740a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; 741a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; 742a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; 743a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; 744a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; 745e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 746a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek DS.setObjCDeclQualifier(Qual); 747e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner ConsumeToken(); 748e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner II = 0; 749e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner break; 750e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 752e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner // If this wasn't a recognized qualifier, bail out. 753e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner if (II) return; 754e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner } 755e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner} 756e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner 757e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// objc-type-name: 758e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] type-name ')' 759e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// '(' objc-type-qualifiers[opt] ')' 760e8b724d481c9547de2ee6f442be594b38ada452dChris Lattner/// 761b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCallParsedType Parser::ParseObjCTypeName(ObjCDeclSpec &DS, bool IsParameter) { 762df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_paren) && "expected ("); 7631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7644a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SourceLocation LParenLoc = ConsumeParen(); 765e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SourceLocation TypeStartLoc = Tok.getLocation(); 7661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76719d74e1494fe399f0e2a94e9419c095f8214851bFariborz Jahanian // Parse type qualifiers, in, inout, etc. 768d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor ParseObjCTypeQualifierList(DS, IsParameter); 7694fa7afd07421e7276d1717e4fdf43a5fdd65a622Steve Naroff 770b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType Ty; 771809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (isTypeSpecifierQualifier()) { 772809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult TypeSpec = ParseTypeName(); 773809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (!TypeSpec.isInvalid()) 774809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty = TypeSpec.get(); 775809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor } 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7774a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner if (Tok.is(tok::r_paren)) 7784a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner ConsumeParen(); 7794a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner else if (Tok.getLocation() == TypeStartLoc) { 780e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // If we didn't eat any tokens, then this isn't a type. 7811ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_type); 7824a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner SkipUntil(tok::r_paren); 7834a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner } else { 7844a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // Otherwise, we found *something*, but didn't get a ')' in the right 7854a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner // place. Emit an error then return what we have as the type. 7864a76b292c9c3f60a257636e21d76b6ce1c12f8c4Chris Lattner MatchRHSPunctuation(tok::r_paren, LParenLoc); 787294494e1cce92043562b4680c613df7fd028c02eSteve Naroff } 788f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff return Ty; 789294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 790294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 791294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-method-decl: 792294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-selector 7934985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-keyword-selector objc-parmlist[opt] 794294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-type-name objc-selector 7954985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-type-name objc-keyword-selector objc-parmlist[opt] 796294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 797294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector: 7981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keyword-decl 799294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-selector objc-keyword-decl 800294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 801294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// objc-keyword-decl: 8027ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier 8037ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-selector ':' objc-keyword-attributes[opt] identifier 8047ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-type-name objc-keyword-attributes[opt] identifier 8057ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// ':' objc-keyword-attributes[opt] identifier 806294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8074985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parmlist: 8084985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms objc-ellipsis[opt] 809294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8104985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms: 8114985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-parms , parameter-declaration 812294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8134985aceceb9b9261b876b515d32726175c13a775Steve Naroff/// objc-ellipsis: 814294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// , ... 815294494e1cce92043562b4680c613df7fd028c02eSteve Naroff/// 8167ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// objc-keyword-attributes: [OBJC2] 8177ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// __attribute__((unused)) 8187ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff/// 819d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDecl(SourceLocation mLoc, 8202ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::TokenKind mType, 8212ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor Decl *IDecl, 8222ccccb3ff40c64927817a7e1ddf1da8c188ed224Douglas Gregor tok::ObjCKeywordKind MethodImplKind) { 82354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall ParsingDeclRAIIObject PD(*this); 82454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall 825e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 82623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 827b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall /*ReturnType=*/ ParsedType(), IDecl); 828dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 829e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 830e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 831e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Parse the return type if present. 832b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReturnType; 833a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCDeclSpec DSRet; 834df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) 835d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor ReturnType = ParseObjCTypeName(DSRet, false); 8361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8379e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // If attributes exist before the method, parse them. 8387f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 8397f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 8407f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 8419e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek 842e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor if (Tok.is(tok::code_completion)) { 84323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMethodDecl(getCurScope(), mType == tok::minus, 844e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor ReturnType, IDecl); 845dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 846e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor } 847e8f5a1710a7738deff40e10efcd05b1bd6af184fDouglas Gregor 8489e0493576af77dba1c48858c03e31a2897d0681eTed Kremenek // Now parse the selector. 849bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff SourceLocation selLoc; 8502fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc); 851e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner 85284c431088693e216193094d1dbf327a01173f57fSteve Naroff // An unnamed colon is valid. 85384c431088693e216193094d1dbf327a01173f57fSteve Naroff if (!SelIdent && Tok.isNot(tok::colon)) { // missing selector name. 8541ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_selector_for_method) 8551ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << SourceRange(mLoc, Tok.getLocation()); 856e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner // Skip until we get a ; or {}. 857e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner SkipUntil(tok::r_brace); 858d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 859e8904e992ca5e821b199c4577e8b5e5b17a33b1dChris Lattner } 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8614f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian llvm::SmallVector<DeclaratorChunk::ParamInfo, 8> CParamInfo; 862df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 863ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist after the method, parse them. 8647f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 8657f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 8661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 867ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); 868d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 86954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 8701f7b6f88f18d7f6b10265acec5d41c4ed1897487Fariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 8714f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 0, 8724f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 8737f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList(), MethodImplKind); 87454abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 87554abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 876ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 877f28b264437053fb0deacc9ba02b18a0966f7290aSteve Naroff 87868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 879f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall llvm::SmallVector<Sema::ObjCArgInfo, 12> ArgInfos; 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 881ff38491c18b060526d754765b952f4a497a89416Chris Lattner while (1) { 882f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::ObjCArgInfo ArgInfo; 8831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 884ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Each iteration parses a single keyword argument. 885df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 886ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_colon); 887ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 888ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 889ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the ':'. 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 891b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ArgInfo.Type = ParsedType(); 892e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner if (Tok.is(tok::l_paren)) // Parse the argument type if present. 893d32b0225e29fcafb2b2b2a4b1c51dcb1518af9c6Douglas Gregor ArgInfo.Type = ParseObjCTypeName(ArgInfo.DeclSpec, true); 894e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 895ff38491c18b060526d754765b952f4a497a89416Chris Lattner // If attributes exist before the argument name, parse them. 896e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.ArgAttrs = 0; 8977f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) { 8987f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes attrs; 8997f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 9007f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ArgInfo.ArgAttrs = attrs.getList(); 9017f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall } 9027ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff 90340ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor // Code completion for the next piece of the selector. 90440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor if (Tok.is(tok::code_completion)) { 90540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor ConsumeCodeCompletionToken(); 90640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.push_back(SelIdent); 90740ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 90840ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor mType == tok::minus, 90940ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/true, 91040ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor ReturnType, 91140ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.data(), 91240ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.size()); 91340ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor KeyIdents.pop_back(); 91440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor break; 91540ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor } 91640ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor 917df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 918ff38491c18b060526d754765b952f4a497a89416Chris Lattner Diag(Tok, diag::err_expected_ident); // missing argument name. 919ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 9204985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 9211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 922e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.Name = Tok.getIdentifierInfo(); 923e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfo.NameLoc = Tok.getLocation(); 924ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); // Eat the identifier. 9251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 926e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner ArgInfos.push_back(ArgInfo); 927e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner KeyIdents.push_back(SelIdent); 928e294d3fbaffcbc0cf5f16067ab31d2b2763d25e9Chris Lattner 9291f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor // Code completion for the next piece of the selector. 9301f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor if (Tok.is(tok::code_completion)) { 9311f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor ConsumeCodeCompletionToken(); 9321f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor Actions.CodeCompleteObjCMethodDeclSelector(getCurScope(), 9331f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor mType == tok::minus, 93440ed9a13f5b67b2941f5a9521616e57e9e31ba97Douglas Gregor /*AtParameterName=*/false, 9351f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor ReturnType, 9361f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.data(), 9371f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor KeyIdents.size()); 9381f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor break; 9391f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor } 9401f5537aaac1e775aff1d523f2cc59a9a3bd6c946Douglas Gregor 941ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Check for another keyword selector. 9424b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 9432fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 944df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!SelIdent && Tok.isNot(tok::colon)) 945ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 946ff38491c18b060526d754765b952f4a497a89416Chris Lattner // We have a selector or a colon, continue parsing. 947ff38491c18b060526d754765b952f4a497a89416Chris Lattner } 9481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 949335eafa5be51f6440672a74c73d588af72e96732Steve Naroff bool isVariadic = false; 9501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 951ff38491c18b060526d754765b952f4a497a89416Chris Lattner // Parse the (optional) parameter list. 952df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 953ff38491c18b060526d754765b952f4a497a89416Chris Lattner ConsumeToken(); 954df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::ellipsis)) { 955335eafa5be51f6440672a74c73d588af72e96732Steve Naroff isVariadic = true; 9564985aceceb9b9261b876b515d32726175c13a775Steve Naroff ConsumeToken(); 957ff38491c18b060526d754765b952f4a497a89416Chris Lattner break; 9584985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 959ff38491c18b060526d754765b952f4a497a89416Chris Lattner DeclSpec DS; 960ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarationSpecifiers(DS); 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parse the declarator. 962ff38491c18b060526d754765b952f4a497a89416Chris Lattner Declarator ParmDecl(DS, Declarator::PrototypeContext); 963ff38491c18b060526d754765b952f4a497a89416Chris Lattner ParseDeclarator(ParmDecl); 9644f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian IdentifierInfo *ParmII = ParmDecl.getIdentifier(); 965d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Param = Actions.ActOnParamDeclarator(getCurScope(), ParmDecl); 9664f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, 9674f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian ParmDecl.getIdentifierLoc(), 9684f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian Param, 9694f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 0)); 9704f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian 9714985aceceb9b9261b876b515d32726175c13a775Steve Naroff } 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9739c4bb2c08989265411925a04252fd4f93c26e3b1Cameron Esfahani // FIXME: Add support for optional parameter list... 974e3a2ca7e30601cdd31c77a830f4cc487851e8096Fariborz Jahanian // If attributes exist after the method, parse them. 9757f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (getLang().ObjC2) 9767f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall MaybeParseGNUAttributes(attrs); 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9783688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian if (KeyIdents.size() == 0) 979d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 980ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), 981ff38491c18b060526d754765b952f4a497a89416Chris Lattner &KeyIdents[0]); 982d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result 98354abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall = Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), 9843688fc679389d67b6755e62406998f9ea84d886aFariborz Jahanian mType, IDecl, DSRet, ReturnType, Sel, 9854f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian &ArgInfos[0], 9864f4fd92c6c64ecbc65507f63ddd09211f732622cFariborz Jahanian CParamInfo.data(), CParamInfo.size(), 9877f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList(), 988335eafa5be51f6440672a74c73d588af72e96732Steve Naroff MethodImplKind, isVariadic); 98954abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall PD.complete(Result); 99054abf7d4fa3123b8324c09d2a4dfb789fd818403John McCall return Result; 991294494e1cce92043562b4680c613df7fd028c02eSteve Naroff} 992294494e1cce92043562b4680c613df7fd028c02eSteve Naroff 993dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-refs: 994dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '<' identifier-list '>' 995dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 9967caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattnerbool Parser:: 997d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallParseObjCProtocolReferences(llvm::SmallVectorImpl<Decl *> &Protocols, 99871b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVectorImpl<SourceLocation> &ProtocolLocs, 99971b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis bool WarnOnDeclarations, 100071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation &LAngleLoc, SourceLocation &EndLoc) { 1001e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner assert(Tok.is(tok::less) && "expected <"); 10021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 100371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc = ConsumeToken(); // the "<" 10041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1005e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1007e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner while (1) { 100855385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor if (Tok.is(tok::code_completion)) { 100955385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(), 101055385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor ProtocolIdents.size()); 1011dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 101255385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor } 101355385fe3e723cd675001e45f42d61adde6b7f075Douglas Gregor 1014e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::identifier)) { 1015e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_ident); 1016e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner SkipUntil(tok::greater); 1017e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1018e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 1019e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), 1020e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Tok.getLocation())); 102171b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ProtocolLocs.push_back(Tok.getLocation()); 1022e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 10231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1024e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::comma)) 1025e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner break; 1026e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner ConsumeToken(); 1027e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1029e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Consume the '>'. 1030e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner if (Tok.isNot(tok::greater)) { 1031e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Diag(Tok, diag::err_expected_greater); 1032e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return true; 1033e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner } 10341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1035e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner EndLoc = ConsumeAnyToken(); 10361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1037e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner // Convert the list of protocols identifiers into a list of protocol decls. 1038e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.FindProtocolDeclaration(WarnOnDeclarations, 1039e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner &ProtocolIdents[0], ProtocolIdents.size(), 1040e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Protocols); 1041e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner return false; 1042e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner} 1043e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner 10449bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// \brief Parse the Objective-C protocol qualifiers that follow a typename 10459bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor/// in a decl-specifier-seq, starting at the '<'. 104646f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregorbool Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) { 10479bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(Tok.is(tok::less) && "Protocol qualifiers start with '<'"); 10489bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor assert(getLang().ObjC1 && "Protocol qualifiers only exist in Objective-C"); 10499bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor SourceLocation LAngleLoc, EndProtoLoc; 10509bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor llvm::SmallVector<Decl *, 8> ProtocolDecl; 10519bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 105246f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor bool Result = ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, 105346f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor LAngleLoc, EndProtoLoc); 10549bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), 10559bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor ProtocolLocs.data(), LAngleLoc); 10569bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor if (EndProtoLoc.isValid()) 10579bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor DS.SetRangeEnd(EndProtoLoc); 105846f936e055d763437accd1e5a1bc49e7e5dbc0a3Douglas Gregor return Result; 10599bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor} 10609bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 10619bd1d8d174a9d15ae343246c8322299248b9e92aDouglas Gregor 1062dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables: 1063dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// '{' objc-instance-variable-decl-list[opt] '}' 1064dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1065dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list: 1066dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec 1067dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl ';' 1068dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// ';' 1069dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-visibility-spec 1070dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list objc-instance-variable-decl ';' 1071dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl-list ';' 1072dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1073dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-visibility-spec: 1074dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @private 1075dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protected 1076dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @public 1077ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff/// @package [OBJC2] 1078dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1079dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-instance-variable-decl: 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// struct-declaration 1081dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1082d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallvoid Parser::ParseObjCClassInstanceVariables(Decl *interfaceDecl, 108383c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian tok::ObjCKeywordKind visibility, 108460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation atLoc) { 1085df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner assert(Tok.is(tok::l_brace) && "expected {"); 1086d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 32> AllIvarDecls; 1087e13594279a952537ac903325efff57e3edca79d9Chris Lattner 10881a0d31a3d7f14ddc6370ba912c778aece6c12cf0Douglas Gregor ParseScope ClassScope(this, Scope::DeclScope|Scope::ClassScope); 108972de6676bd30f9081ee4166bbe07b4c270258ce6Douglas Gregor 1090ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SourceLocation LBraceLoc = ConsumeBrace(); // the "{" 10911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1092ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // While we still have something to read, read the instance variables. 1093df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { 1094ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Each iteration of this loop reads one objc-instance-variable-decl. 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1096ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Check for extraneous top-level semicolon. 1097df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1098f13ca06e57ac094ed05ea08c26a499af1ba0ce88Douglas Gregor Diag(Tok, diag::ext_extra_ivar_semi) 1099849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1100ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1101ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1102ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 11031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1104ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Set the default visibility to private. 1105df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::at)) { // parse objc-visibility-spec 1106ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); // eat the @ sign 1107c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1108c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 110923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtVisibility(getCurScope()); 1110dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1111c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1112c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1113861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff switch (Tok.getObjCKeywordID()) { 1114ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_private: 1115ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_public: 1116ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_protected: 1117ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff case tok::objc_package: 1118861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff visibility = Tok.getObjCKeywordID(); 1119ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 11201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump continue; 1121ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff default: 1122ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_objc_illegal_visibility_spec); 1123ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff continue; 1124ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1125ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 11261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1127c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor if (Tok.is(tok::code_completion)) { 112823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteOrdinaryName(getCurScope(), 1129f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PCC_ObjCInstanceVariableList); 1130dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1131c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor } 1132c38c3e1e726630458154534227d74eda833d26a0Douglas Gregor 1133bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall struct ObjCIvarCallback : FieldCallback { 1134bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall Parser &P; 1135d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *IDecl; 1136bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall tok::ObjCKeywordKind visibility; 1137d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVectorImpl<Decl *> &AllIvarDecls; 1138bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1139d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCIvarCallback(Parser &P, Decl *IDecl, tok::ObjCKeywordKind V, 1140d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVectorImpl<Decl *> &AllIvarDecls) : 1141bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall P(P), IDecl(IDecl), visibility(V), AllIvarDecls(AllIvarDecls) { 1142bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1143bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall 1144d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *invoke(FieldDeclarator &FD) { 1145bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall // Install the declarator into the interface decl. 1146d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Field 114723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor = P.Actions.ActOnIvar(P.getCurScope(), 1148bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall FD.D.getDeclSpec().getSourceRange().getBegin(), 1149bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall IDecl, FD.D, FD.BitfieldSize, visibility); 11500bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian if (Field) 11510bd04596e4645ff145a046dfb3475f39674060d9Fariborz Jahanian AllIvarDecls.push_back(Field); 1152bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall return Field; 1153bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } 1154bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall } Callback(*this, interfaceDecl, visibility, AllIvarDecls); 1155d097be8f81fbf4ed96ac10bae18562dd8202666bFariborz Jahanian 1156e13594279a952537ac903325efff57e3edca79d9Chris Lattner // Parse all the comma separated declarators. 1157e13594279a952537ac903325efff57e3edca79d9Chris Lattner DeclSpec DS; 1158bdd563ec391b0a83fc6d04b8a8ea3022aa702f74John McCall ParseStructDeclaration(DS, Callback); 11591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1160df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { 1161ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff ConsumeToken(); 1162ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } else { 1163ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff Diag(Tok, diag::err_expected_semi_decl_list); 1164ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff // Skip to end of block or statement 1165ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff SkipUntil(tok::r_brace, true, true); 1166ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 1167ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff } 116860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); 1169d097be8f81fbf4ed96ac10bae18562dd8202666bFariborz Jahanian Actions.ActOnLastBitfield(RBraceLoc, interfaceDecl, AllIvarDecls); 11708749be53f53384e7846502791ceda6c657228d07Steve Naroff // Call ActOnFields() even if we don't have any decls. This is useful 11718749be53f53384e7846502791ceda6c657228d07Steve Naroff // for code rewriting tools that need to be aware of the empty list. 117223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnFields(getCurScope(), atLoc, interfaceDecl, 1173beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad AllIvarDecls.data(), AllIvarDecls.size(), 11741bfe1c2129771c06fb58ae5e8c079ae30e138309Daniel Dunbar LBraceLoc, RBraceLoc, 0); 1175ddbff78fb719a645b04bd27099fa6ec8c4693b3cSteve Naroff return; 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1177dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1178dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-declaration: 1179dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition 1180dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference 1181dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1182dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-definition: 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @protocol identifier 11841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-protocol-refs[opt] 11851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-interface-decl-list 1186dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @end 1187dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1188dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-protocol-forward-reference: 1189dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @protocol identifier-list ';' 1190dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1191dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// "@protocol identifier ;" should be resolved as "@protocol 11923536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// identifier-list ;": objc-interface-decl-list may not start with a 1193dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// semicolon in the first alternative if objc-protocol-refs are omitted. 1194d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, 11957f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall ParsedAttributes &attrs) { 1196861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_protocol) && 11977ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff "ParseObjCAtProtocolDeclaration(): Expected @protocol"); 11987ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the "protocol" identifier 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1200083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor if (Tok.is(tok::code_completion)) { 120123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCProtocolDecl(getCurScope()); 1202dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1203083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor } 1204083128f6b13dfa4fc615a838c49b516d901b1ac0Douglas Gregor 1205df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 12067ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); // missing protocol name. 1207d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12087ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12097ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Save the protocol name, then consume it. 12107ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff IdentifierInfo *protocolName = Tok.getIdentifierInfo(); 12117ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SourceLocation nameLoc = ConsumeToken(); 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1213df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::semi)) { // forward declaration of one protocol. 12147caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner IdentifierLocPair ProtoInfo(protocolName, nameLoc); 12157ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1, 12177f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 12187ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1220df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::comma)) { // list of forward declarations. 12217caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; 12227caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); 12237caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 12247ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Parse the list of forward declarations. 12257ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff while (1) { 12267ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the ',' 1227df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 12287ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff Diag(Tok, diag::err_expected_ident); 12297ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff SkipUntil(tok::semi); 1230d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12317ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12327caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), 12337caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner Tok.getLocation())); 12347ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff ConsumeToken(); // the identifier 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1236df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 12377ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff break; 12387ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff } 12397ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Consume the ';'. 12407ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) 1241d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1243e440eb8158e71deb1e4ab11618ae3d680aac6da1Steve Naroff return Actions.ActOnForwardProtocolDeclaration(AtLoc, 12441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &ProtocolRefs[0], 1245bc1c877fe28fb6a825f0b226a0a2da99e713ea03Fariborz Jahanian ProtocolRefs.size(), 12467f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall attrs.getList()); 12477caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner } 12481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12497ef58fdbefddf693910e6403a71b3d367444c897Steve Naroff // Last, and definitely not least, parse a protocol declaration. 125071b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis SourceLocation LAngleLoc, EndProtoLoc; 12517caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner 1252d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl *, 8> ProtocolRefs; 125371b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis llvm::SmallVector<SourceLocation, 8> ProtocolLocs; 12547caeabd868d46cf4e68478c6e9136dae4e735d21Chris Lattner if (Tok.is(tok::less) && 125571b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis ParseObjCProtocolReferences(ProtocolRefs, ProtocolLocs, false, 125671b0addffbdeed29cc062c962e236c34107755d6Argyrios Kyrtzidis LAngleLoc, EndProtoLoc)) 1257d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1259d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ProtoType = 1260e13b9595dc1e2f4288bec34f3412359f648e84a5Chris Lattner Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, 1261beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.data(), 1262beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad ProtocolRefs.size(), 126318df52bbb5d28ca082064d31ae7558dbdae52377Douglas Gregor ProtocolLocs.data(), 12647f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall EndProtoLoc, attrs.getList()); 126525e077d59a8e8e43b65882b69610a3d5e2aaf53cFariborz Jahanian ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); 1266bc662afa1cb9b61cb1e7808bb1463dd6291b8095Chris Lattner return ProtoType; 1267dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff} 1268dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff 1269dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-implementation: 1270dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue 1271dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue 1272dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1273dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-implementation-prologue: 1274dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier objc-superclass[opt] 1275dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-class-instance-variables[opt] 1276dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// 1277dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// objc-category-implementation-prologue: 1278dac269b65eed82182fc3e96566dedd6562dfe11eSteve Naroff/// @implementation identifier ( identifier ) 1279d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtImplementationDeclaration( 1280ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation atLoc) { 1281ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_implementation) && 1282ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtImplementationDeclaration(): Expected @implementation"); 1283ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "implementation" identifier 12841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12853b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor // Code completion after '@implementation'. 12863b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor if (Tok.is(tok::code_completion)) { 128723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationDecl(getCurScope()); 1288dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 12893b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor } 12903b49aca913dc0c1838321b9bb2dc9a4cb4681922Douglas Gregor 1291df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1292ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing class or category name. 1293d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1294ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1295ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class or category name - consume it. 1296ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *nameId = Tok.getIdentifierInfo(); 1297ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation nameLoc = ConsumeToken(); // consume class or category name 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Tok.is(tok::l_paren)) { 1300ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // we have a category implementation. 1301ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation lparenLoc = ConsumeParen(); 1302ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation categoryLoc, rparenLoc; 1303ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian IdentifierInfo *categoryId = 0; 13041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 130533ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor if (Tok.is(tok::code_completion)) { 130623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCImplementationCategory(getCurScope(), nameId, nameLoc); 1307dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 130833ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor } 130933ced0b8550f3e7169f326944731ee02e9338659Douglas Gregor 1310df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::identifier)) { 1311ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryId = Tok.getIdentifierInfo(); 1312ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian categoryLoc = ConsumeToken(); 1313ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } else { 1314ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing category name. 1315d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1317df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_paren)) { 1318ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_rparen); 1319ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SkipUntil(tok::r_paren, false); // don't stop at ';' 1320d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1321ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1322ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian rparenLoc = ConsumeParen(); 1323d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplCatType = Actions.ActOnStartCategoryImplementation( 13241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump atLoc, nameId, nameLoc, categoryId, 13258f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian categoryLoc); 1326a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplCatType; 132763e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 1328d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1329ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1330ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a class implementation 1331ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian SourceLocation superClassLoc; 1332ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian IdentifierInfo *superClassId = 0; 1333df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 1334ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // We have a super class 1335ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1336df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1337ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing super class name. 1338d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1339ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1340ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId = Tok.getIdentifierInfo(); 1341ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassLoc = ConsumeToken(); // Consume super class name 1342ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1343d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImplClsType = Actions.ActOnStartClassImplementation( 1344cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner atLoc, nameId, nameLoc, 1345ccb4f314248fb2202637d3290f2b17af5646da08Fariborz Jahanian superClassId, superClassLoc); 13461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 134760fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff if (Tok.is(tok::l_brace)) // we have ivars 134883c481ade785a919ba21a33f9a8b1b21c1212fb3Fariborz Jahanian ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, 134901f1bfc3284d5817517d35217885ea9ecb252817Fariborz Jahanian tok::objc_private, atLoc); 1350a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImpDecl = ImplClsType; 135163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.push_back(ObjCImpDecl); 135263e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1353d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 135560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 1356d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtEndDeclaration(SourceRange atEnd) { 1357ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_end) && 1358ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCAtEndDeclaration(): Expected @end"); 1359d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *Result = ObjCImpDecl; 1360ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // the "end" identifier 1361a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian if (ObjCImpDecl) { 136223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnAtEnd(getCurScope(), atEnd, ObjCImpDecl); 1363d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ObjCImpDecl = 0; 136463e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian PendingObjCImpDecl.pop_back(); 1365a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian } 1366782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek else { 1367782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek // missing @implementation 1368782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek Diag(atEnd.getBegin(), diag::warn_expected_implementation); 1369782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek } 1370a6e3ac514c924879699c6b0b1201028f0091044fFariborz Jahanian return Result; 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1372e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian 13733fe104154dd2e8ffb351142d74f308938b5c99bfFariborz JahanianParser::DeclGroupPtrTy Parser::FinishPendingObjCActions() { 13743fe104154dd2e8ffb351142d74f308938b5c99bfFariborz Jahanian Actions.DiagnoseUseOfUnimplementedSelectors(); 137563e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian if (PendingObjCImpDecl.empty()) 1376d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return Actions.ConvertDeclToDeclGroup(0); 1377d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *ImpDecl = PendingObjCImpDecl.pop_back_val(); 137823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnAtEnd(getCurScope(), SourceRange(), ImpDecl); 137963e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian return Actions.ConvertDeclToDeclGroup(ImpDecl); 138063e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian} 138163e963cdffca9530f920dbab58b9b4eecb2a582cFariborz Jahanian 1382e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// compatibility-alias-decl: 1383e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// @compatibility_alias alias-name class-name ';' 1384e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian/// 1385d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { 1386e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && 1387e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); 1388e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian ConsumeToken(); // consume compatibility_alias 1389df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1390e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1391d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1392e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1393243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *aliasId = Tok.getIdentifierInfo(); 1394243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation aliasLoc = ConsumeToken(); // consume alias-name 1395df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1396e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian Diag(Tok, diag::err_expected_ident); 1397d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1398e992af01d14e2e31037562c123af0a71ae1ed374Fariborz Jahanian } 1399243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian IdentifierInfo *classId = Tok.getIdentifierInfo(); 1400243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian SourceLocation classLoc = ConsumeToken(); // consume class-name; 1401243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian if (Tok.isNot(tok::semi)) { 14021ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@compatibility_alias"; 1403d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1404243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 1405b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner return Actions.ActOnCompatiblityAlias(atLoc, aliasId, aliasLoc, 1406b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner classId, classLoc); 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1409ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-synthesis: 1410ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @synthesize property-ivar-list ';' 1411ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1412ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list: 1413ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar 1414ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar-list ',' property-ivar 1415ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1416ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-ivar: 1417ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1418ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier '=' identifier 1419ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1420d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { 1421ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && 1422ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@synthesize'"); 1423f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume synthesize 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1425b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor while (true) { 1426322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 142723c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyDefinition(getCurScope(), ObjCImpDecl); 1428dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1429322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1430322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1431b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::identifier)) { 1432b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor Diag(Tok, diag::err_synthesized_property_name); 1433b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1434d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1435b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1436b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor 1437f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyIvar = 0; 1438f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1439f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 1440a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor SourceLocation propertyIvarLoc; 1441df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::equal)) { 1442ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // property '=' ivar-name 1443ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume '=' 1444322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1445322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor if (Tok.is(tok::code_completion)) { 144623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertySynthesizeIvar(getCurScope(), propertyId, 1447322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor ObjCImpDecl); 1448dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1449322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor } 1450322328b8a65ad2e45829eb06d245addb64037f6fDouglas Gregor 1451df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::identifier)) { 1452ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian Diag(Tok, diag::err_expected_ident); 1453ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1454ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1455f624f8186d8fe474350051c6d3f00b2c204fbeaeFariborz Jahanian propertyIvar = Tok.getIdentifierInfo(); 1456a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyIvarLoc = ConsumeToken(); // consume ivar-name 1457ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 145823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, true, ObjCImpDecl, 1459a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, propertyIvar, propertyIvarLoc); 1460df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1461ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1462ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1463ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1464b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor if (Tok.isNot(tok::semi)) { 14651ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@synthesize"; 1466b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor SkipUntil(tok::semi); 1467b328c4251a9d2db704b3bd46ec04884dc8e56332Douglas Gregor } 1468d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian else 1469d3fdcb5a1bf6bd5e54e18579c054ea3c292a0e28Fariborz Jahanian ConsumeToken(); // consume ';' 1470d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1471ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 1472ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1473ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-dynamic: 1474ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// @dynamic property-list 1475ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1476ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list: 1477ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// identifier 1478ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// property-list ',' identifier 1479ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1480d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { 1481ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && 1482ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian "ParseObjCPropertyDynamic(): Expected '@dynamic'"); 1483ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian SourceLocation loc = ConsumeToken(); // consume dynamic 1484424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor while (true) { 1485424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.is(tok::code_completion)) { 148623c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCPropertyDefinition(getCurScope(), ObjCImpDecl); 1487dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 1488424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1489424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1490424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor if (Tok.isNot(tok::identifier)) { 1491424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor Diag(Tok, diag::err_expected_ident); 1492424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor SkipUntil(tok::semi); 1493d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1494424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor } 1495424b2a546dbd09cf70d43087771c7fff851ca158Douglas Gregor 1496c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian IdentifierInfo *propertyId = Tok.getIdentifierInfo(); 1497c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian SourceLocation propertyLoc = ConsumeToken(); // consume property name 149823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnPropertyImplDecl(getCurScope(), atLoc, propertyLoc, false, ObjCImpDecl, 1499a4ffd85a6684e42f900aad5459e58ad91bb88755Douglas Gregor propertyId, 0, SourceLocation()); 1500c35b9e4e2efad727538c848cf30d4b0eb1031dc9Fariborz Jahanian 1501df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::comma)) 1502ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian break; 1503ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); // consume ',' 1504ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 150594b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian if (Tok.isNot(tok::semi)) { 15061ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_semi_after) << "@dynamic"; 150794b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian SkipUntil(tok::semi); 150894b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian } 150994b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian else 151094b24db37e80a75c4088e592d4150fb12b00bfb3Fariborz Jahanian ConsumeToken(); // consume ';' 1511d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1512ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian} 15131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1514397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-throw-statement: 1515397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// throw expression[opt]; 1516397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 151760d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { 151860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res; 1519397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume throw 1520df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::semi)) { 152139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Res = ParseExpression(); 15220e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1523397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian SkipUntil(tok::semi); 152443bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1525397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1526397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 152702418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek // consume ';' 152802418c7f0cb8bb83f1a1a1fad9bf6104efa83e0eTed Kremenek ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@throw"); 15299ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtThrowStmt(atLoc, Res.take(), getCurScope()); 1530397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1531397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian 1532c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// objc-synchronized-statement: 153378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// @synchronized '(' expression ')' compound-statement 1534c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 153560d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult 153643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian RedlParser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { 1537fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeToken(); // consume synchronized 1538fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::l_paren)) { 15391ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; 154043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1541fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1542fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // '(' 154360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpression()); 15440e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 1545fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SkipUntil(tok::semi); 154643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1547fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1548fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian if (Tok.isNot(tok::r_paren)) { 15491ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 155043bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1551fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian } 1552fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian ConsumeParen(); // ')' 155378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian if (Tok.isNot(tok::l_brace)) { 15541ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 155543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 155678a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 15573ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // Enter a scope to hold everything within the compound stmt. Compound 15583ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff // statements can always hold declarations. 15598935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope BodyScope(this, Scope::DeclScope); 15603ac438c383a4a9a73c76a05c76ec5d02f10a3c52Steve Naroff 156160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult SynchBody(ParseCompoundStatementBody()); 15620e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 15638935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 15640e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (SynchBody.isInvalid()) 1565fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); 15669ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtSynchronizedStmt(atLoc, Res.take(), SynchBody.take()); 1567c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian} 1568c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1569397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-try-catch-statement: 1570397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] 1571397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @try compound-statement objc-catch-list[opt] @finally compound-statement 1572397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 1573397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list: 1574397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// @catch ( parameter-declaration ) compound-statement 1575397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement 1576397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// catch-parameter-declaration: 1577397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// parameter-declaration 1578397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// '...' [OBJC2] 1579397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian/// 158060d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { 1581397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian bool catch_or_finally_seen = false; 158243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl 1583397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume try 1584df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 15851ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(Tok, diag::err_expected_lbrace); 158643bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1587397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 15888f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor StmtVector CatchStmts(Actions); 158960d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyStmt; 15908935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope TryScope(this, Scope::DeclScope); 159160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult TryBody(ParseCompoundStatementBody()); 15928935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor TryScope.Exit(); 15930e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (TryBody.isInvalid()) 1594bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian TryBody = Actions.ActOnNullStmt(Tok.getLocation()); 1595a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl 1596df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::at)) { 15976b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // At this point, we need to lookahead to determine if this @ is the start 15986b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // of an @catch or @finally. We don't want to consume the @ token if this 15996b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner // is an @try or @encode or something else. 16006b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner Token AfterAt = GetLookAheadToken(1); 16016b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && 16026b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner !AfterAt.isObjCAtKeyword(tok::objc_finally)) 16036b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner break; 16040e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 1605161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian SourceLocation AtCatchFinallyLoc = ConsumeToken(); 1606cb53b361bce341c8591333c6997f62e480acc0b4Chris Lattner if (Tok.isObjCAtKeyword(tok::objc_catch)) { 1607d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *FirstPart = 0; 16083b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian ConsumeToken(); // consume catch 1609df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::l_paren)) { 1610397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeParen(); 1611e21dd6ffef4585fa43cd3586ed971217d65bf56cSteve Naroff ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope); 1612df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::ellipsis)) { 1613397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian DeclSpec DS; 1614397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ParseDeclarationSpecifiers(DS); 161543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl // For some odd reason, the name of the exception variable is 16161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // optional. As a result, we need to use "PrototypeContext", because 16177ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // we must accept either 'declarator' or 'abstract-declarator' here. 16187ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff Declarator ParmDecl(DS, Declarator::PrototypeContext); 16197ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParseDeclarator(ParmDecl); 16207ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff 16214e6c0d19b7c072758922cf80525a81aeefc6e64bDouglas Gregor // Inform the actions module about the declarator, so it 16227ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff // gets added to the current scope. 162323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor FirstPart = Actions.ActOnObjCExceptionDecl(getCurScope(), ParmDecl); 162464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else 1625397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian ConsumeToken(); // consume '...' 16261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162793a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SourceLocation RParenLoc; 16281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162993a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff if (Tok.is(tok::r_paren)) 163093a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff RParenLoc = ConsumeParen(); 163193a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff else // Skip over garbage, until we get to ')'. Eat the ')'. 163293a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff SkipUntil(tok::r_paren, true, false); 163393a259500186fa7270f66cb460c5f5728e5680aeSteve Naroff 163460d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult CatchBody(true); 1635c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1636c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner CatchBody = ParseCompoundStatementBody(); 1637c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1638c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 16390e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (CatchBody.isInvalid()) 16403b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); 16418f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 164260d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Catch = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, 16438f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor RParenLoc, 16448f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor FirstPart, 16459ae2f076ca5ab1feb3ba95629099ec2319833701John McCall CatchBody.take()); 16468f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (!Catch.isInvalid()) 16478f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor CatchStmts.push_back(Catch.release()); 16488f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 164964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } else { 16501ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) 16511ab3b96de160e4fbffec2a776e284a48a3bb543dChris Lattner << "@catch clause"; 165243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1653397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1654397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 16556b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner } else { 16566b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); 165764515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff ConsumeToken(); // consume finally 16588935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor ParseScope FinallyScope(this, Scope::DeclScope); 16590e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 166060d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FinallyBody(true); 1661c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner if (Tok.is(tok::l_brace)) 1662c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner FinallyBody = ParseCompoundStatementBody(); 1663c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner else 1664c1b3ba5ae08316fe43e541c4fb02921fc3e80b21Chris Lattner Diag(Tok, diag::err_expected_lbrace); 16650e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FinallyBody.isInvalid()) 1666161a9c5afaafb4d527b7efba9675a8b2cbbe32e0Fariborz Jahanian FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); 16670e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, 16689ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyBody.take()); 1669397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian catch_or_finally_seen = true; 1670397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian break; 1671397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1672397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian } 1673bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian if (!catch_or_finally_seen) { 1674397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian Diag(atLoc, diag::err_missing_catch_finally); 167543bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 1676bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian } 16778f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor 16789ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnObjCAtTryStmt(atLoc, TryBody.take(), 16798f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor move_arg(CatchStmts), 16809ae2f076ca5ab1feb3ba95629099ec2319833701John McCall FinallyStmt.take()); 1681397fcc117e5631db53879fbfcca66966088f3f07Fariborz Jahanian} 1682ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 16833536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// objc-method-def: objc-method-proto ';'[opt] '{' body '}' 1684ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian/// 1685d226f65006733ed7f709c3174f22ce33391cb58fJohn McCallDecl *Parser::ParseObjCMethodDefinition() { 1686d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Decl *MDecl = ParseObjCMethodPrototype(ObjCImpDecl); 16871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1688f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(Actions, MDecl, Tok.getLocation(), 1689f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "parsing Objective-C method"); 16901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1691ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian // parse optional ';' 1692209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian if (Tok.is(tok::semi)) { 1693496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek if (ObjCImpDecl) { 1694496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek Diag(Tok, diag::warn_semicolon_before_method_body) 1695849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateRemoval(Tok.getLocation()); 1696496e45ef3350fabc312c5a807d308c65c50af4dbTed Kremenek } 1697ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian ConsumeToken(); 1698209a8c2fa23636f6d065d618e7078e164903f5cdFariborz Jahanian } 1699ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian 1700409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // We should have an opening brace now. 1701df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::l_brace)) { 1702da323adbb99cee19a203ead852d5d9bfebb23fb7Steve Naroff Diag(Tok, diag::err_expected_method_body); 17031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1704409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Skip over garbage, until we get to '{'. Don't eat the '{'. 1705409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SkipUntil(tok::l_brace, true, true); 17061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1707409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If we didn't find the '{', bail out. 1708409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff if (Tok.isNot(tok::l_brace)) 1709d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return 0; 1710ac00b7f4a933e60e2f0afd83092339160adc140cFariborz Jahanian } 1711409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff SourceLocation BraceLoc = Tok.getLocation(); 17121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1713409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Enter a scope for the method body. 171415faee19fdb9017dd6d08a690427b18c3b062c2dChris Lattner ParseScope BodyScope(this, 171515faee19fdb9017dd6d08a690427b18c3b062c2dChris Lattner Scope::ObjCMethodScope|Scope::FnScope|Scope::DeclScope); 17161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1717409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Tell the actions module that we have entered a method definition with the 1718394f3f483fa4e7b472630cfcd03f7840520958c5Steve Naroff // specified Declarator for the method. 171923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.ActOnStartOfObjCMethodDef(getCurScope(), MDecl); 172061364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 17210fe5397b26695926a835fa99eceb7fc879b307afArgyrios Kyrtzidis if (MaybeSkipFunctionBodyForCodeCompletion()) 17220fe5397b26695926a835fa99eceb7fc879b307afArgyrios Kyrtzidis return Actions.ActOnFinishFunctionBody(MDecl, 0); 17230fe5397b26695926a835fa99eceb7fc879b307afArgyrios Kyrtzidis 172460d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult FnBody(ParseCompoundStatementBody()); 172561364dddc33383e62cfe3b841dbc0f471280d95bSebastian Redl 1726409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // If the function body could not be parsed, make a bogus compoundstmt. 17270e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (FnBody.isInvalid()) 1728a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 1729a60528cdac7deee3991c2b48af4df4f315e49e9dSebastian Redl MultiStmtArg(Actions), false); 1730798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 173132ce8376efb7e0d70e5f7e8fcf685130293f412bSteve Naroff // TODO: Pass argument information. 17329ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.ActOnFinishFunctionBody(MDecl, FnBody.take()); 17331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1734409be835b68344e0de56f99ef9a1e12760bc69eeSteve Naroff // Leave the function body scope. 17358935b8b49053122ddd3ab4cd59af0fe5eb9c23cfDouglas Gregor BodyScope.Exit(); 1736798d119415323ebcd029ffe1e0fb442a4ca8adbbSebastian Redl 173771c0a951d08dc7a2a057df8c15f22b36f6aa47c7Steve Naroff return MDecl; 17385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17395508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 174060d7b3a319d84d688752be3870615ac0f111fb16John McCallStmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { 17419a0c85e640a08174569a303db22981612f05d385Douglas Gregor if (Tok.is(tok::code_completion)) { 174223c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtStatement(getCurScope()); 1743dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 17449a0c85e640a08174569a303db22981612f05d385Douglas Gregor return StmtError(); 17455d8031687d086701b4dadaab3e0de1def448da9dChris Lattner } 17465d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 17475d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_try)) 17486b884508c3bc97cc9df9516adb92fbf88dd0a2e4Chris Lattner return ParseObjCTryStmt(AtLoc); 17495d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 17505d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_throw)) 175164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCThrowStmt(AtLoc); 17525d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 17535d8031687d086701b4dadaab3e0de1def448da9dChris Lattner if (Tok.isObjCAtKeyword(tok::objc_synchronized)) 175464515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff return ParseObjCSynchronizedStmt(AtLoc); 17555d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 175660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpressionWithLeadingAt(AtLoc)); 17570e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 175864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // If the expression is invalid, skip ahead to the next semicolon. Not 175964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // doing this opens us up to the possibility of infinite loops if 176064515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // ParseExpression does not consume any tokens. 176164515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff SkipUntil(tok::semi); 176243bc2a0973ffe404fabba6f8280cd6bad2c69fcbSebastian Redl return StmtError(); 176364515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff } 17645d8031687d086701b4dadaab3e0de1def448da9dChris Lattner 176564515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff // Otherwise, eat the semicolon. 17669ba23b4ceacd77cd264501690a7a9e94184ef71bDouglas Gregor ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); 17679ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnExprStmt(Actions.MakeFullExpr(Res.take())); 176864515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff} 176964515f31850024a263e8f55f81e9ea4b39925cfaSteve Naroff 177060d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { 17715508518a2702b00be3b15a26d772bde968972f54Anders Carlsson switch (Tok.getKind()) { 17729a0c85e640a08174569a303db22981612f05d385Douglas Gregor case tok::code_completion: 177323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCAtExpression(getCurScope()); 1774dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 17759a0c85e640a08174569a303db22981612f05d385Douglas Gregor return ExprError(); 17769a0c85e640a08174569a303db22981612f05d385Douglas Gregor 1777b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::string_literal: // primary-expression: string-literal 1778b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner case tok::wide_string_literal: 17791d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); 1780b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner default: 17814fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.getIdentifierInfo() == 0) 17821d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 17832f7ece7c77eb17e24e8f0f4e1b7fb01aa5111f96Sebastian Redl 17844fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { 17854fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_encode: 17861d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); 17874fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_protocol: 17881d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); 17894fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner case tok::objc_selector: 17901d922960e083906a586609ac6978678147250177Sebastian Redl return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); 17914fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner default: 17921d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(AtLoc, diag::err_unexpected_at)); 17934fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner } 17945508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 17955508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 17965508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 17976aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \brirg Parse the receiver of an Objective-C++ message send. 17986aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 17996aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// This routine parses the receiver of a message send in 18006aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// Objective-C++ either as a type or as an expression. Note that this 18016aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// routine must not be called to parse a send to 'super', since it 18026aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// has no way to return such a result. 18036aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18046aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param IsExpr Whether the receiver was parsed as an expression. 18056aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18066aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \param TypeOrExpr If the receiver was parsed as an expression (\c 18076aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// IsExpr is true), the parsed expression. If the receiver was parsed 18086aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// as a type (\c IsExpr is false), the parsed type. 18096aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18106aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// \returns True if an error occurred during parsing or semantic 18116aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// analysis, in which case the arguments do not have valid 18126aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// values. Otherwise, returns false for a successful parse. 18136aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 18146aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// objc-receiver: [C++] 18156aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 'super' [not parsed here] 18166aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// expression 18176aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// simple-type-specifier 18186aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// typename-specifier 18196aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregorbool Parser::ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr) { 18200fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 18210fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 18226aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || 18236aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope)) 18246aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TryAnnotateTypeOrScopeToken(); 18256aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18266aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!isCXXSimpleTypeSpecifier()) { 18276aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 18286aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression 182960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseExpression(); 18306aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 18316aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 18326aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18336aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 18346aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 18356aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 18366aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 18376aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18386aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // objc-receiver: 18396aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier 18406aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier 18416aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // expression (that starts with one of the above) 18426aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor DeclSpec DS; 18436aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor ParseCXXSimpleTypeSpecifier(DS); 18446aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18456aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::l_paren)) { 18466aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // If we see an opening parentheses at this point, we are 18476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // actually parsing an expression that starts with a 18486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // function-style cast, e.g., 18496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 18506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression: 18516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // simple-type-specifier ( expression-list [opt] ) 18526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier ( expression-list [opt] ) 18536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // 18546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the remainder of this case, then the (optional) 18556aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // postfix-expression suffix, followed by the (optional) 18566aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // right-hand side of the binary expression. We have an 18576aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // instance method. 185860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Receiver = ParseCXXTypeConstructExpression(DS); 18596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 18609ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParsePostfixExpressionSuffix(Receiver.take()); 18616aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (!Receiver.isInvalid()) 18629ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Receiver = ParseRHSOfBinaryExpression(Receiver.take(), prec::Comma); 18636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Receiver.isInvalid()) 18646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 18656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = true; 18676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor TypeOrExpr = Receiver.take(); 18686aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 18696aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 18706aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We have a class message. Turn the simple-type-specifier or 18726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // typename-specifier we parsed into a type and parse the 18736aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // remainder of the class message. 18746aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); 187523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor TypeResult Type = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); 18766aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Type.isInvalid()) 18776aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return true; 18786aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18796aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor IsExpr = false; 1880b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TypeOrExpr = Type.get().getAsOpaquePtr(); 18816aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return false; 18826aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor} 18836aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 18841b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// \brief Determine whether the parser is currently referring to a an 18851b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// Objective-C message send, using a simplified heuristic to avoid overhead. 18861b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// 18871b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// This routine will only return true for a subset of valid message-send 18881b730e847ded503f2e615154035c083c4f94a067Douglas Gregor/// expressions. 18891b730e847ded503f2e615154035c083c4f94a067Douglas Gregorbool Parser::isSimpleObjCMessageExpression() { 1890c59cb38810c63a806270385f79ea84e0203754eaChris Lattner assert(Tok.is(tok::l_square) && getLang().ObjC1 && 18911b730e847ded503f2e615154035c083c4f94a067Douglas Gregor "Incorrect start for isSimpleObjCMessageExpression"); 18921b730e847ded503f2e615154035c083c4f94a067Douglas Gregor return GetLookAheadToken(1).is(tok::identifier) && 18931b730e847ded503f2e615154035c083c4f94a067Douglas Gregor GetLookAheadToken(2).is(tok::identifier); 18941b730e847ded503f2e615154035c083c4f94a067Douglas Gregor} 18951b730e847ded503f2e615154035c083c4f94a067Douglas Gregor 18969497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregorbool Parser::isStartOfObjCClassMessageMissingOpenBracket() { 18979497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!getLang().ObjC1 || !NextToken().is(tok::identifier) || 18989497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor InMessageExpression) 18999497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19009497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19019497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19029497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor ParsedType Type; 19039497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19049497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::annot_typename)) 19059497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = getTypeAnnotation(Tok); 19069497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else if (Tok.is(tok::identifier)) 19079497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor Type = Actions.getTypeName(*Tok.getIdentifierInfo(), Tok.getLocation(), 19089497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor getCurScope()); 19099497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor else 19109497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19119497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19129497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (!Type.get().isNull() && Type.get()->isObjCObjectOrInterfaceType()) { 19139497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor const Token &AfterNext = GetLookAheadToken(2); 19149497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (AfterNext.is(tok::colon) || AfterNext.is(tok::r_square)) { 19159497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor if (Tok.is(tok::identifier)) 19169497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor TryAnnotateTypeOrScopeToken(); 19179497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19189497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return Tok.is(tok::annot_typename); 19199497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 19209497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor } 19219497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19229497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor return false; 19239497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor} 19249497a73ad0d54859edbf48beb93ebb19a7ae50c9Douglas Gregor 19251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-message-expr: 19260ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// '[' objc-receiver objc-message-args ']' 19270ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 19282725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// objc-receiver: [C] 1929eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner/// 'super' 19300ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// expression 19310ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// class-name 19320ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// type-name 19336aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor/// 193460d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCMessageExpression() { 1935699b66138ac307a32e238463e0eff513ff17d337Chris Lattner assert(Tok.is(tok::l_square) && "'[' expected"); 1936699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation LBracLoc = ConsumeBracket(); // consume '[' 1937699b66138ac307a32e238463e0eff513ff17d337Chris Lattner 19388e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor if (Tok.is(tok::code_completion)) { 193923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCMessageReceiver(getCurScope()); 19408e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor ConsumeCodeCompletionToken(); 19418e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor SkipUntil(tok::r_square); 19428e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor return ExprError(); 19438e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor } 19448e254cfe5a6ab4202c7fcc4b64bdd1ca0fe071acDouglas Gregor 19450fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 19460fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 19476aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (getLang().CPlusPlus) { 19486aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // We completely separate the C and C++ cases because C++ requires 19496aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // more complicated (read: slower) parsing. 19506aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19516aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Handle send to super. 19526aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // FIXME: This doesn't benefit from the same typo-correction we 19536aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // get in Objective-C. 19546aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (Tok.is(tok::identifier) && Tok.getIdentifierInfo() == Ident_super && 195523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor NextToken().isNot(tok::period) && getCurScope()->isInObjcMethodScope()) 1956b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 1957b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 19586aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19596aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor // Parse the receiver, which is either a type or an expression. 19606aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor bool IsExpr; 1961304b752a450c0fc5968c20ba25446d0bb7c6f68dNick Lewycky void *TypeOrExpr = NULL; 19626aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) { 19636aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor SkipUntil(tok::r_square); 19646aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ExprError(); 19656aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor } 19666aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19676aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor if (IsExpr) 1968b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 1969b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 19709ae2f076ca5ab1feb3ba95629099ec2319833701John McCall static_cast<Expr*>(TypeOrExpr)); 19716aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor 19726aa14d832704ae176c92d4e0f22dfb3f3d83a70aDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 1973b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType::getFromOpaquePtr(TypeOrExpr), 1974b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall 0); 1975c59cb38810c63a806270385f79ea84e0203754eaChris Lattner } 1976c59cb38810c63a806270385f79ea84e0203754eaChris Lattner 1977c59cb38810c63a806270385f79ea84e0203754eaChris Lattner if (Tok.is(tok::identifier)) { 19781dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor IdentifierInfo *Name = Tok.getIdentifierInfo(); 19791dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor SourceLocation NameLoc = Tok.getLocation(); 1980b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType; 198123c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor switch (Actions.getObjCMessageKind(getCurScope(), Name, NameLoc, 19821dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor Name == Ident_super, 19831569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor NextToken().is(tok::period), 19841569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ReceiverType)) { 1985f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCSuperMessage: 1986b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, ConsumeToken(), 1987b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), 0); 19882725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 1989f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCClassMessage: 19901569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor if (!ReceiverType) { 19912725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SkipUntil(tok::r_square); 19922725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor return ExprError(); 19932725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor } 19942725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor 19951569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor ConsumeToken(); // the type name 19961569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor 19971569f95831a8c99e9f664137bf8f40e47ee3d90fDouglas Gregor return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 19989ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ReceiverType, 0); 19991dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor 2000f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall case Sema::ObjCInstanceMessage: 20012725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor // Fall through to parse an expression. 20021dbca6ea983231b4cab1a8f1edda8f6e13c21f12Douglas Gregor break; 2003d2869925b5f10e00b13fbf3f41bbb17e4c9adbe0Fariborz Jahanian } 2004699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 2005eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner 2006eb483eb3ee80300f15d6d13573d82493c2194461Chris Lattner // Otherwise, an arbitrary expression can be the receiver of a send. 200760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseExpression()); 20080e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 20095c749428a9938d5e2e9564b1c9b7a9252c30ee27Chris Lattner SkipUntil(tok::r_square); 20101d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 2011699b66138ac307a32e238463e0eff513ff17d337Chris Lattner } 20121d922960e083906a586609ac6978678147250177Sebastian Redl 2013b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 2014b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType(), Res.take()); 2015699b66138ac307a32e238463e0eff513ff17d337Chris Lattner} 20161d922960e083906a586609ac6978678147250177Sebastian Redl 20172725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \brief Parse the remainder of an Objective-C message following the 20182725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// '[' objc-receiver. 20192725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20202725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// This routine handles sends to super, class messages (sent to a 20212725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class name), and instance messages (sent to an object), and the 20222725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// target is represented by \p SuperLoc, \p ReceiverType, or \p 20232725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// ReceiverExpr, respectively. Only one of these parameters may have 20242725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// a valid value. 20252725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20262725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param LBracLoc The location of the opening '['. 20272725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20282725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param SuperLoc If this is a send to 'super', the location of the 20292725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 'super' keyword that indicates a send to the superclass. 20302725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20312725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverType If this is a class message, the type of the 20322725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// class we are sending a message to. 20332725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// 20342725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// \param ReceiverExpr If this is an instance message, the expression 20352725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor/// used to compute the receiver object. 20361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 20370ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-message-args: 20380ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-selector 20390ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list 20400ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 20410ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list: 20420ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg 20430ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordarg-list objc-keywordarg 20440ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 20451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// objc-keywordarg: 20460ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// selector-name[opt] ':' objc-keywordexpr 20470ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 20480ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// objc-keywordexpr: 20490ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list 20500ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// 20510ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list: 20520ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// assignment-expression 20530ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian/// nonempty-expr-list , assignment-expression 20541d922960e083906a586609ac6978678147250177Sebastian Redl/// 205560d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 2056699b66138ac307a32e238463e0eff513ff17d337Chris LattnerParser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, 20572725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor SourceLocation SuperLoc, 2058b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall ParsedType ReceiverType, 20591d922960e083906a586609ac6978678147250177Sebastian Redl ExprArg ReceiverExpr) { 20600fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor InMessageExpressionRAIIObject InMessage(*this, true); 20610fbda68b50ce17d7ad36ef7a5ed77518a5cd272eDouglas Gregor 2062c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff if (Tok.is(tok::code_completion)) { 20632725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 206470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 0, 0, 206570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 20662725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 206770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 0, 0, 206870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor false); 2069c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff else 20709ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 207170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 0, 0, false); 2072dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 2073c4df6d2c05c647a6a5770ba0c749782b6c023a3aSteve Naroff } 2074d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 2075a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse objc-selector 20764b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian SourceLocation Loc; 20772fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *selIdent = ParseObjCSelectorPiece(Loc); 207868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2079ff975cfab9ada27df86038286d1678084aeb3428Anders Carlsson SourceLocation SelectorLoc = Loc; 20801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 208168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 2082a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector KeyExprs(Actions); 208368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 2084df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.is(tok::colon)) { 2085a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian while (1) { 2086a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Each iteration parses a single keyword argument. 208768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff KeyIdents.push_back(selIdent); 208837387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff 2089df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::colon)) { 2090a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_colon); 20914fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 20924fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 20934fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 20944fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 20951d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2096a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 20971d922960e083906a586609ac6978678147250177Sebastian Redl 209868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ConsumeToken(); // Eat the ':'. 20991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ':' 210070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 210170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (Tok.is(tok::code_completion)) { 210270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor if (SuperLoc.isValid()) 210370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 210470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 210570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 210670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 210770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else if (ReceiverType) 210870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 210970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 211070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 211170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 211270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor else 211370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 211470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.data(), 211570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 211670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/true); 211770c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 211870c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor ConsumeCodeCompletionToken(); 211970c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor SkipUntil(tok::r_square); 212070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 212170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor } 212270c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor 212360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 21240e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 21254fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21264fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21274fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21284fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21291d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 213037387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff } 21311d922960e083906a586609ac6978678147250177Sebastian Redl 213237387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // We have a valid expression. 2133effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 21341d922960e083906a586609ac6978678147250177Sebastian Redl 2135d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor // Code completion after each argument. 2136d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor if (Tok.is(tok::code_completion)) { 21372725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 213823c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCSuperMessage(getCurScope(), SuperLoc, 21392725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor KeyIdents.data(), 214070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 214170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 21422725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 214323c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor Actions.CodeCompleteObjCClassMessage(getCurScope(), ReceiverType, 2144d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 214570c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 214670c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2147d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor else 21489ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Actions.CodeCompleteObjCInstanceMessage(getCurScope(), ReceiverExpr, 2149d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor KeyIdents.data(), 215070c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor KeyIdents.size(), 215170c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor /*AtArgumentEpression=*/false); 2152dc8453422bec3bbf70c03920e01498d75783d122Douglas Gregor ConsumeCodeCompletionToken(); 215370c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor SkipUntil(tok::r_square); 215470c5ac70ace21b011dc2d4001bae26cdcf62ff8dDouglas Gregor return ExprError(); 2155d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor } 2156d3c6854153fd6bc6a412a29e4491dbd0a47bdb14Douglas Gregor 215737387c932855c6d58d70bdd705cd3a9fdcd2a931Steve Naroff // Check for another keyword selector. 21582fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner selIdent = ParseObjCSelectorPiece(Loc); 2159df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (!selIdent && Tok.isNot(tok::colon)) 2160a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian break; 2161a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // We have a selector or a colon, continue parsing. 2162a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2163a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian // Parse the, optional, argument list, comma separated. 2164df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner while (Tok.is(tok::comma)) { 216549f109c786f99eb7468dac3976db083a65493444Steve Naroff ConsumeToken(); // Eat the ','. 21661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Parse the expression after ',' 216760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseAssignmentExpression()); 21680e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Res.isInvalid()) { 21694fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21704fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21714fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21724fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21731d922960e083906a586609ac6978678147250177Sebastian Redl return move(Res); 217449f109c786f99eb7468dac3976db083a65493444Steve Naroff } 21750e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 217649f109c786f99eb7468dac3976db083a65493444Steve Naroff // We have a valid expression. 2177effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl KeyExprs.push_back(Res.release()); 2178a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2179a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } else if (!selIdent) { 2180a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian Diag(Tok, diag::err_expected_ident); // missing selector name. 21811d922960e083906a586609ac6978678147250177Sebastian Redl 21824fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21834fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21844fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21854fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21861d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2187a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 2188809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian 2189df19526177bc6d0a3ea4d1ae97497869f60563dbChris Lattner if (Tok.isNot(tok::r_square)) { 2190809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian if (Tok.is(tok::identifier)) 2191809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_colon); 2192809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian else 2193809872eca7f6c024e2ab41ddffbbeeae807bf5dcFariborz Jahanian Diag(Tok, diag::err_expected_rsquare); 21944fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // We must manually skip to a ']', otherwise the expression skipper will 21954fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // stop at the ']' when it skips to the ';'. We want it to skip beyond 21964fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner // the enclosing expression. 21974fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner SkipUntil(tok::r_square); 21981d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(); 2199a65ff6c81f5b278000839988bb532114fd8c6797Fariborz Jahanian } 22001d922960e083906a586609ac6978678147250177Sebastian Redl 2201699b66138ac307a32e238463e0eff513ff17d337Chris Lattner SourceLocation RBracLoc = ConsumeBracket(); // consume ']' 22021d922960e083906a586609ac6978678147250177Sebastian Redl 220329238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff unsigned nKeys = KeyIdents.size(); 2204ff38491c18b060526d754765b952f4a497a89416Chris Lattner if (nKeys == 0) 2205ff38491c18b060526d754765b952f4a497a89416Chris Lattner KeyIdents.push_back(selIdent); 2206ff38491c18b060526d754765b952f4a497a89416Chris Lattner Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); 22071d922960e083906a586609ac6978678147250177Sebastian Redl 22082725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor if (SuperLoc.isValid()) 220923c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnSuperMessage(getCurScope(), SuperLoc, Sel, 22102725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2211f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2212f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2213f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22142725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor else if (ReceiverType) 221523c94dbb6631fecdb55ba401aa93722803d980c6Douglas Gregor return Actions.ActOnClassMessage(getCurScope(), ReceiverType, Sel, 22162725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2217f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2218f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2219f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22209ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Actions.ActOnInstanceMessage(getCurScope(), ReceiverExpr, Sel, 22212725ca8eb3354975ca77ed4b88ede7b60b216b9aDouglas Gregor LBracLoc, SelectorLoc, RBracLoc, 2222f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall MultiExprArg(Actions, 2223f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.take(), 2224f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall KeyExprs.size())); 22250ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian} 22260ccb27ded12fd03eb6818a880f50901bb70254feFariborz Jahanian 222760d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { 222860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Res(ParseStringLiteralExpression()); 22291d922960e083906a586609ac6978678147250177Sebastian Redl if (Res.isInvalid()) return move(Res); 22301d922960e083906a586609ac6978678147250177Sebastian Redl 2231b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string 2232b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // expressions. At this point, we know that the only valid thing that starts 2233b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner // with '@' is an @"". 2234b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner llvm::SmallVector<SourceLocation, 4> AtLocs; 2235a55e52c0802cae3b7c366a05c461d3d15074c1a3Sebastian Redl ExprVector AtStrings(Actions); 2236b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(AtLoc); 2237effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Res.release()); 22380e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2239b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner while (Tok.is(tok::at)) { 2240b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner AtLocs.push_back(ConsumeToken()); // eat the @. 2241b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 224215faa7fdfb496489dec9470aa5eb699b29ecdaccSebastian Redl // Invalid unless there is a string literal. 224397cf6eb380016db868866faf27a086cd55a316d4Chris Lattner if (!isTokenStringLiteral()) 224497cf6eb380016db868866faf27a086cd55a316d4Chris Lattner return ExprError(Diag(Tok, diag::err_objc_concat_string)); 2245b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner 224660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Lit(ParseStringLiteralExpression()); 22470e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl if (Lit.isInvalid()) 22481d922960e083906a586609ac6978678147250177Sebastian Redl return move(Lit); 22490e9eabca263e8922bec0e2b38c8670eba9a39a1fSebastian Redl 2250effa8d1c97b00a3f53e972b0e61d9aade5ea1c57Sebastian Redl AtStrings.push_back(Lit.release()); 2251b3a99cd5bcaeff0c5ff6a60788b5eb68e52a3953Chris Lattner } 22521d922960e083906a586609ac6978678147250177Sebastian Redl 22531d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), 22541d922960e083906a586609ac6978678147250177Sebastian Redl AtStrings.size())); 22555508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 2256f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 2257f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// objc-encode-expression: 2258f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// @encode ( type-name ) 225960d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 22601d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCEncodeExpression(SourceLocation AtLoc) { 2261861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); 22621d922960e083906a586609ac6978678147250177Sebastian Redl 2263f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc = ConsumeToken(); 22641d922960e083906a586609ac6978678147250177Sebastian Redl 22654fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 22661d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@encode"); 22671d922960e083906a586609ac6978678147250177Sebastian Redl 2268f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation LParenLoc = ConsumeParen(); 22691d922960e083906a586609ac6978678147250177Sebastian Redl 2270809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor TypeResult Ty = ParseTypeName(); 22711d922960e083906a586609ac6978678147250177Sebastian Redl 22724988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 22731d922960e083906a586609ac6978678147250177Sebastian Redl 2274809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor if (Ty.isInvalid()) 2275809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return ExprError(); 2276809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor 22771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Owned(Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, 2278809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor Ty.get(), RParenLoc)); 2279f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson} 228029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 228129b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// objc-protocol-expression 228229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson/// @protocol ( protocol-name ) 228360d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult 22841d922960e083906a586609ac6978678147250177Sebastian RedlParser::ParseObjCProtocolExpression(SourceLocation AtLoc) { 228529b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation ProtoLoc = ConsumeToken(); 22861d922960e083906a586609ac6978678147250177Sebastian Redl 22874fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 22881d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@protocol"); 22891d922960e083906a586609ac6978678147250177Sebastian Redl 229029b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson SourceLocation LParenLoc = ConsumeParen(); 22911d922960e083906a586609ac6978678147250177Sebastian Redl 22924fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::identifier)) 22931d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 22941d922960e083906a586609ac6978678147250177Sebastian Redl 2295390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian IdentifierInfo *protocolId = Tok.getIdentifierInfo(); 229629b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson ConsumeToken(); 22971d922960e083906a586609ac6978678147250177Sebastian Redl 22984988ae3fda10743c8ed8a98cdcb5a783362587b4Anders Carlsson SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 229929b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson 23001d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, 23011d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 230229b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3cAnders Carlsson} 2303a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian 2304a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// objc-selector-expression 2305a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian/// @selector '(' objc-keyword-selector ')' 230660d7b3a319d84d688752be3870615ac0f111fb16John McCallExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { 2307a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation SelectorLoc = ConsumeToken(); 23081d922960e083906a586609ac6978678147250177Sebastian Redl 23094fef81d718ca1b91ce2adef52db91a35f86e9bbdChris Lattner if (Tok.isNot(tok::l_paren)) 23101d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_lparen_after) << "@selector"); 23111d922960e083906a586609ac6978678147250177Sebastian Redl 2312b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; 2313a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation LParenLoc = ConsumeParen(); 2314a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation sLoc; 2315458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2316458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2317458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2318458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 2319458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor ConsumeCodeCompletionToken(); 2320458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor MatchRHSPunctuation(tok::r_paren, LParenLoc); 2321458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2322458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2323458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 23242fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner IdentifierInfo *SelIdent = ParseObjCSelectorPiece(sLoc); 23255add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (!SelIdent && // missing selector name. 23265add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner Tok.isNot(tok::colon) && Tok.isNot(tok::coloncolon)) 23271d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_ident)); 23281d922960e083906a586609ac6978678147250177Sebastian Redl 2329b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2330887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff unsigned nColons = 0; 2331887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff if (Tok.isNot(tok::r_paren)) { 2332a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian while (1) { 23335add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner if (Tok.is(tok::coloncolon)) { // Handle :: in C++. 23345add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 23355add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner KeyIdents.push_back(0); 23365add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner } else if (Tok.isNot(tok::colon)) 23371d922960e083906a586609ac6978678147250177Sebastian Redl return ExprError(Diag(Tok, diag::err_expected_colon)); 23381d922960e083906a586609ac6978678147250177Sebastian Redl 23395add7541726348b9d1c8e96ac5031b87c41acff0Chris Lattner ++nColons; 2340a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian ConsumeToken(); // Eat the ':'. 2341a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (Tok.is(tok::r_paren)) 2342a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2343458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2344458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor if (Tok.is(tok::code_completion)) { 2345458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor Actions.CodeCompleteObjCSelector(getCurScope(), KeyIdents.data(), 2346458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor KeyIdents.size()); 2347458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor ConsumeCodeCompletionToken(); 2348458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor MatchRHSPunctuation(tok::r_paren, LParenLoc); 2349458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor return ExprError(); 2350458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor } 2351458433d2f0f5c96a9e0d21decdd44bebccf20b11Douglas Gregor 2352a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian // Check for another keyword selector. 2353a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation Loc; 23542fc5c2428ecb450a3256c8316b93b8655cb76a0fChris Lattner SelIdent = ParseObjCSelectorPiece(Loc); 2355b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian KeyIdents.push_back(SelIdent); 2356a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian if (!SelIdent && Tok.isNot(tok::colon)) 2357a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian break; 2358a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian } 2359887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff } 2360a0818e3cd7d59d05e6da41015033b5574c3d7893Fariborz Jahanian SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); 2361887407e71fd58de452361b77d72970e32b20ebe0Steve Naroff Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); 23621d922960e083906a586609ac6978678147250177Sebastian Redl return Owned(Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, 23631d922960e083906a586609ac6978678147250177Sebastian Redl LParenLoc, RParenLoc)); 236458065b2d8038a4e9a91ea4813bd1774c0f6efacbGabor Greif } 2365