Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1 | //===--- ParseObjC.cpp - Objective C Parsing ------------------------------===// |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 0bc735f | 2007-12-29 19:59:25 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file implements the Objective-C portions of the Parser interface. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "clang/Parse/Parser.h" |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 15 | #include "clang/Parse/DeclSpec.h" |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 16 | #include "clang/Parse/Scope.h" |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 17 | #include "AstGuard.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 18 | #include "clang/Basic/Diagnostic.h" |
| 19 | #include "llvm/ADT/SmallVector.h" |
| 20 | using namespace clang; |
| 21 | |
| 22 | |
| 23 | /// ParseExternalDeclaration: |
| 24 | /// external-declaration: [C99 6.9] |
| 25 | /// [OBJC] objc-class-definition |
Steve Naroff | 91fa0b7 | 2007-10-29 21:39:29 +0000 | [diff] [blame] | 26 | /// [OBJC] objc-class-declaration |
| 27 | /// [OBJC] objc-alias-declaration |
| 28 | /// [OBJC] objc-protocol-definition |
| 29 | /// [OBJC] objc-method-definition |
| 30 | /// [OBJC] '@' 'end' |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 31 | Parser::DeclTy *Parser::ParseObjCAtDirectives() { |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 32 | SourceLocation AtLoc = ConsumeToken(); // the "@" |
| 33 | |
Steve Naroff | 861cf3e | 2007-08-23 18:16:40 +0000 | [diff] [blame] | 34 | switch (Tok.getObjCKeywordID()) { |
Chris Lattner | 5ffb14b | 2008-08-23 02:02:23 +0000 | [diff] [blame] | 35 | case tok::objc_class: |
| 36 | return ParseObjCAtClassDeclaration(AtLoc); |
| 37 | case tok::objc_interface: |
| 38 | return ParseObjCAtInterfaceDeclaration(AtLoc); |
| 39 | case tok::objc_protocol: |
| 40 | return ParseObjCAtProtocolDeclaration(AtLoc); |
| 41 | case tok::objc_implementation: |
| 42 | return ParseObjCAtImplementationDeclaration(AtLoc); |
| 43 | case tok::objc_end: |
| 44 | return ParseObjCAtEndDeclaration(AtLoc); |
| 45 | case tok::objc_compatibility_alias: |
| 46 | return ParseObjCAtAliasDeclaration(AtLoc); |
| 47 | case tok::objc_synthesize: |
| 48 | return ParseObjCPropertySynthesize(AtLoc); |
| 49 | case tok::objc_dynamic: |
| 50 | return ParseObjCPropertyDynamic(AtLoc); |
| 51 | default: |
| 52 | Diag(AtLoc, diag::err_unexpected_at); |
| 53 | SkipUntil(tok::semi); |
| 54 | return 0; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 55 | } |
| 56 | } |
| 57 | |
| 58 | /// |
| 59 | /// objc-class-declaration: |
| 60 | /// '@' 'class' identifier-list ';' |
| 61 | /// |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 62 | Parser::DeclTy *Parser::ParseObjCAtClassDeclaration(SourceLocation atLoc) { |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 63 | ConsumeToken(); // the identifier "class" |
| 64 | llvm::SmallVector<IdentifierInfo *, 8> ClassNames; |
| 65 | |
| 66 | while (1) { |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 67 | if (Tok.isNot(tok::identifier)) { |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 68 | Diag(Tok, diag::err_expected_ident); |
| 69 | SkipUntil(tok::semi); |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 70 | return 0; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 71 | } |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 72 | ClassNames.push_back(Tok.getIdentifierInfo()); |
| 73 | ConsumeToken(); |
| 74 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 75 | if (Tok.isNot(tok::comma)) |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 76 | break; |
| 77 | |
| 78 | ConsumeToken(); |
| 79 | } |
| 80 | |
| 81 | // Consume the ';'. |
| 82 | if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@class")) |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 83 | return 0; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 84 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 85 | return Actions.ActOnForwardClassDeclaration(atLoc, |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 86 | &ClassNames[0], ClassNames.size()); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 87 | } |
| 88 | |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 89 | /// |
| 90 | /// objc-interface: |
| 91 | /// objc-class-interface-attributes[opt] objc-class-interface |
| 92 | /// objc-category-interface |
| 93 | /// |
| 94 | /// objc-class-interface: |
| 95 | /// '@' 'interface' identifier objc-superclass[opt] |
| 96 | /// objc-protocol-refs[opt] |
| 97 | /// objc-class-instance-variables[opt] |
| 98 | /// objc-interface-decl-list |
| 99 | /// @end |
| 100 | /// |
| 101 | /// objc-category-interface: |
| 102 | /// '@' 'interface' identifier '(' identifier[opt] ')' |
| 103 | /// objc-protocol-refs[opt] |
| 104 | /// objc-interface-decl-list |
| 105 | /// @end |
| 106 | /// |
| 107 | /// objc-superclass: |
| 108 | /// ':' identifier |
| 109 | /// |
| 110 | /// objc-class-interface-attributes: |
| 111 | /// __attribute__((visibility("default"))) |
| 112 | /// __attribute__((visibility("hidden"))) |
| 113 | /// __attribute__((deprecated)) |
| 114 | /// __attribute__((unavailable)) |
| 115 | /// __attribute__((objc_exception)) - used by NSException on 64-bit |
| 116 | /// |
| 117 | Parser::DeclTy *Parser::ParseObjCAtInterfaceDeclaration( |
| 118 | SourceLocation atLoc, AttributeList *attrList) { |
Steve Naroff | 861cf3e | 2007-08-23 18:16:40 +0000 | [diff] [blame] | 119 | assert(Tok.isObjCAtKeyword(tok::objc_interface) && |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 120 | "ParseObjCAtInterfaceDeclaration(): Expected @interface"); |
| 121 | ConsumeToken(); // the "interface" identifier |
| 122 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 123 | if (Tok.isNot(tok::identifier)) { |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 124 | Diag(Tok, diag::err_expected_ident); // missing class or category name. |
| 125 | return 0; |
| 126 | } |
| 127 | // We have a class or category name - consume it. |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 128 | IdentifierInfo *nameId = Tok.getIdentifierInfo(); |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 129 | SourceLocation nameLoc = ConsumeToken(); |
| 130 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 131 | if (Tok.is(tok::l_paren)) { // we have a category. |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 132 | SourceLocation lparenLoc = ConsumeParen(); |
| 133 | SourceLocation categoryLoc, rparenLoc; |
| 134 | IdentifierInfo *categoryId = 0; |
| 135 | |
Steve Naroff | 527fe23 | 2007-08-23 19:56:30 +0000 | [diff] [blame] | 136 | // For ObjC2, the category name is optional (not an error). |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 137 | if (Tok.is(tok::identifier)) { |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 138 | categoryId = Tok.getIdentifierInfo(); |
| 139 | categoryLoc = ConsumeToken(); |
Steve Naroff | 527fe23 | 2007-08-23 19:56:30 +0000 | [diff] [blame] | 140 | } else if (!getLang().ObjC2) { |
| 141 | Diag(Tok, diag::err_expected_ident); // missing category name. |
| 142 | return 0; |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 143 | } |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 144 | if (Tok.isNot(tok::r_paren)) { |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 145 | Diag(Tok, diag::err_expected_rparen); |
| 146 | SkipUntil(tok::r_paren, false); // don't stop at ';' |
| 147 | return 0; |
| 148 | } |
| 149 | rparenLoc = ConsumeParen(); |
Chris Lattner | 6bd6d0b | 2008-07-26 04:07:02 +0000 | [diff] [blame] | 150 | |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 151 | // Next, we need to check for any protocol references. |
Chris Lattner | 6bd6d0b | 2008-07-26 04:07:02 +0000 | [diff] [blame] | 152 | SourceLocation EndProtoLoc; |
| 153 | llvm::SmallVector<DeclTy *, 8> ProtocolRefs; |
| 154 | if (Tok.is(tok::less) && |
| 155 | ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) |
| 156 | return 0; |
| 157 | |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 158 | if (attrList) // categories don't support attributes. |
| 159 | Diag(Tok, diag::err_objc_no_attributes_on_category); |
| 160 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 161 | DeclTy *CategoryType = Actions.ActOnStartCategoryInterface(atLoc, |
Steve Naroff | 3a165b0 | 2007-10-03 21:00:46 +0000 | [diff] [blame] | 162 | nameId, nameLoc, categoryId, categoryLoc, |
Steve Naroff | 423cb56 | 2007-10-30 13:30:57 +0000 | [diff] [blame] | 163 | &ProtocolRefs[0], ProtocolRefs.size(), |
Chris Lattner | 6bd6d0b | 2008-07-26 04:07:02 +0000 | [diff] [blame] | 164 | EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 165 | |
| 166 | ParseObjCInterfaceDeclList(CategoryType, tok::objc_not_keyword); |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 167 | return CategoryType; |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 168 | } |
| 169 | // Parse a class interface. |
| 170 | IdentifierInfo *superClassId = 0; |
| 171 | SourceLocation superClassLoc; |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 172 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 173 | if (Tok.is(tok::colon)) { // a super class is specified. |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 174 | ConsumeToken(); |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 175 | if (Tok.isNot(tok::identifier)) { |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 176 | Diag(Tok, diag::err_expected_ident); // missing super class name. |
| 177 | return 0; |
| 178 | } |
| 179 | superClassId = Tok.getIdentifierInfo(); |
| 180 | superClassLoc = ConsumeToken(); |
| 181 | } |
| 182 | // Next, we need to check for any protocol references. |
Chris Lattner | 06036d3 | 2008-07-26 04:13:19 +0000 | [diff] [blame] | 183 | llvm::SmallVector<Action::DeclTy*, 8> ProtocolRefs; |
| 184 | SourceLocation EndProtoLoc; |
| 185 | if (Tok.is(tok::less) && |
| 186 | ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) |
| 187 | return 0; |
| 188 | |
| 189 | DeclTy *ClsType = |
| 190 | Actions.ActOnStartClassInterface(atLoc, nameId, nameLoc, |
| 191 | superClassId, superClassLoc, |
| 192 | &ProtocolRefs[0], ProtocolRefs.size(), |
| 193 | EndProtoLoc, attrList); |
Steve Naroff | f28b264 | 2007-09-05 23:30:30 +0000 | [diff] [blame] | 194 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 195 | if (Tok.is(tok::l_brace)) |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 196 | ParseObjCClassInstanceVariables(ClsType, atLoc); |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 197 | |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 198 | ParseObjCInterfaceDeclList(ClsType, tok::objc_interface); |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 199 | return ClsType; |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 200 | } |
| 201 | |
Daniel Dunbar | 4d7da2f | 2008-08-26 02:32:45 +0000 | [diff] [blame] | 202 | /// constructSetterName - Return the setter name for the given |
| 203 | /// identifier, i.e. "set" + Name where the initial character of Name |
| 204 | /// has been capitalized. |
| 205 | static IdentifierInfo *constructSetterName(IdentifierTable &Idents, |
| 206 | const IdentifierInfo *Name) { |
Chris Lattner | edc66f3 | 2008-11-19 07:41:27 +0000 | [diff] [blame] | 207 | llvm::SmallString<100> SelectorName; |
Chris Lattner | 69d27b9 | 2008-11-20 07:09:32 +0000 | [diff] [blame] | 208 | SelectorName = "set"; |
Chris Lattner | edc66f3 | 2008-11-19 07:41:27 +0000 | [diff] [blame] | 209 | SelectorName.append(Name->getName(), Name->getName()+Name->getLength()); |
Daniel Dunbar | 4d7da2f | 2008-08-26 02:32:45 +0000 | [diff] [blame] | 210 | SelectorName[3] = toupper(SelectorName[3]); |
Chris Lattner | edc66f3 | 2008-11-19 07:41:27 +0000 | [diff] [blame] | 211 | return &Idents.get(&SelectorName[0], &SelectorName[SelectorName.size()]); |
Daniel Dunbar | 4d7da2f | 2008-08-26 02:32:45 +0000 | [diff] [blame] | 212 | } |
| 213 | |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 214 | /// objc-interface-decl-list: |
| 215 | /// empty |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 216 | /// objc-interface-decl-list objc-property-decl [OBJC2] |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 217 | /// objc-interface-decl-list objc-method-requirement [OBJC2] |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 218 | /// objc-interface-decl-list objc-method-proto ';' |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 219 | /// objc-interface-decl-list declaration |
| 220 | /// objc-interface-decl-list ';' |
| 221 | /// |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 222 | /// objc-method-requirement: [OBJC2] |
| 223 | /// @required |
| 224 | /// @optional |
| 225 | /// |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 226 | void Parser::ParseObjCInterfaceDeclList(DeclTy *interfaceDecl, |
Chris Lattner | cb53b36 | 2007-12-27 19:57:00 +0000 | [diff] [blame] | 227 | tok::ObjCKeywordKind contextKey) { |
Ted Kremenek | 8a77931 | 2008-06-06 16:45:15 +0000 | [diff] [blame] | 228 | llvm::SmallVector<DeclTy*, 32> allMethods; |
Fariborz Jahanian | 82a5fe3 | 2007-11-06 22:01:00 +0000 | [diff] [blame] | 229 | llvm::SmallVector<DeclTy*, 16> allProperties; |
Fariborz Jahanian | 0093359 | 2007-09-18 00:25:23 +0000 | [diff] [blame] | 230 | tok::ObjCKeywordKind MethodImplKind = tok::objc_not_keyword; |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 231 | |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 232 | SourceLocation AtEndLoc; |
| 233 | |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 234 | while (1) { |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 235 | // If this is a method prototype, parse it. |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 236 | if (Tok.is(tok::minus) || Tok.is(tok::plus)) { |
| 237 | DeclTy *methodPrototype = |
| 238 | ParseObjCMethodPrototype(interfaceDecl, MethodImplKind); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 239 | allMethods.push_back(methodPrototype); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 240 | // Consume the ';' here, since ParseObjCMethodPrototype() is re-used for |
| 241 | // method definitions. |
Steve Naroff | d16245b | 2007-09-17 15:07:43 +0000 | [diff] [blame] | 242 | ExpectAndConsume(tok::semi, diag::err_expected_semi_after,"method proto"); |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 243 | continue; |
| 244 | } |
Fariborz Jahanian | f366b4c | 2007-12-11 18:34:51 +0000 | [diff] [blame] | 245 | |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 246 | // Ignore excess semicolons. |
| 247 | if (Tok.is(tok::semi)) { |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 248 | ConsumeToken(); |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 249 | continue; |
| 250 | } |
| 251 | |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 252 | // If we got to the end of the file, exit the loop. |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 253 | if (Tok.is(tok::eof)) |
Fariborz Jahanian | e3a2ca7 | 2007-09-10 20:33:04 +0000 | [diff] [blame] | 254 | break; |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 255 | |
| 256 | // If we don't have an @ directive, parse it as a function definition. |
| 257 | if (Tok.isNot(tok::at)) { |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 258 | // FIXME: as the name implies, this rule allows function definitions. |
| 259 | // We could pass a flag or check for functions during semantic analysis. |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 260 | ParseDeclarationOrFunctionDefinition(); |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 261 | continue; |
| 262 | } |
| 263 | |
| 264 | // Otherwise, we have an @ directive, eat the @. |
| 265 | SourceLocation AtLoc = ConsumeToken(); // the "@" |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 266 | tok::ObjCKeywordKind DirectiveKind = Tok.getObjCKeywordID(); |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 267 | |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 268 | if (DirectiveKind == tok::objc_end) { // @end -> terminate list |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 269 | AtEndLoc = AtLoc; |
| 270 | break; |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 271 | } |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 272 | |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 273 | // Eat the identifier. |
| 274 | ConsumeToken(); |
| 275 | |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 276 | switch (DirectiveKind) { |
| 277 | default: |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 278 | // FIXME: If someone forgets an @end on a protocol, this loop will |
| 279 | // continue to eat up tons of stuff and spew lots of nonsense errors. It |
| 280 | // would probably be better to bail out if we saw an @class or @interface |
| 281 | // or something like that. |
Chris Lattner | f6ed855 | 2008-10-20 07:22:18 +0000 | [diff] [blame] | 282 | Diag(AtLoc, diag::err_objc_illegal_interface_qual); |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 283 | // Skip until we see an '@' or '}' or ';'. |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 284 | SkipUntil(tok::r_brace, tok::at); |
| 285 | break; |
| 286 | |
| 287 | case tok::objc_required: |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 288 | case tok::objc_optional: |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 289 | // This is only valid on protocols. |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 290 | // FIXME: Should this check for ObjC2 being enabled? |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 291 | if (contextKey != tok::objc_protocol) |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 292 | Diag(AtLoc, diag::err_objc_directive_only_in_protocol); |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 293 | else |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 294 | MethodImplKind = DirectiveKind; |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 295 | break; |
| 296 | |
| 297 | case tok::objc_property: |
Chris Lattner | f6ed855 | 2008-10-20 07:22:18 +0000 | [diff] [blame] | 298 | if (!getLang().ObjC2) |
| 299 | Diag(AtLoc, diag::err_objc_propertoes_require_objc2); |
| 300 | |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 301 | ObjCDeclSpec OCDS; |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 302 | // Parse property attribute list, if any. |
Chris Lattner | 8ca329c | 2008-10-20 07:24:39 +0000 | [diff] [blame] | 303 | if (Tok.is(tok::l_paren)) |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 304 | ParseObjCPropertyAttribute(OCDS); |
Chris Lattner | dd5b5f2 | 2008-10-20 07:00:43 +0000 | [diff] [blame] | 305 | |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 306 | // Parse all the comma separated declarators. |
| 307 | DeclSpec DS; |
| 308 | llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; |
| 309 | ParseStructDeclaration(DS, FieldDeclarators); |
| 310 | |
Chris Lattner | a1fed7e | 2008-10-20 06:15:13 +0000 | [diff] [blame] | 311 | ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list, "", |
| 312 | tok::at); |
| 313 | |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 314 | // Convert them all to property declarations. |
| 315 | for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { |
| 316 | FieldDeclarator &FD = FieldDeclarators[i]; |
Chris Lattner | da3253d | 2008-10-20 06:33:53 +0000 | [diff] [blame] | 317 | if (FD.D.getIdentifier() == 0) { |
Chris Lattner | ef708fd | 2008-11-18 07:50:21 +0000 | [diff] [blame] | 318 | Diag(AtLoc, diag::err_objc_property_requires_field_name) |
| 319 | << FD.D.getSourceRange(); |
Chris Lattner | da3253d | 2008-10-20 06:33:53 +0000 | [diff] [blame] | 320 | continue; |
| 321 | } |
| 322 | |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 323 | // Install the property declarator into interfaceDecl. |
Chris Lattner | da3253d | 2008-10-20 06:33:53 +0000 | [diff] [blame] | 324 | IdentifierInfo *SelName = |
| 325 | OCDS.getGetterName() ? OCDS.getGetterName() : FD.D.getIdentifier(); |
| 326 | |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 327 | Selector GetterSel = |
Chris Lattner | da3253d | 2008-10-20 06:33:53 +0000 | [diff] [blame] | 328 | PP.getSelectorTable().getNullarySelector(SelName); |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 329 | IdentifierInfo *SetterName = OCDS.getSetterName(); |
| 330 | if (!SetterName) |
| 331 | SetterName = constructSetterName(PP.getIdentifierTable(), |
| 332 | FD.D.getIdentifier()); |
| 333 | Selector SetterSel = |
| 334 | PP.getSelectorTable().getUnarySelector(SetterName); |
Chris Lattner | da3253d | 2008-10-20 06:33:53 +0000 | [diff] [blame] | 335 | DeclTy *Property = Actions.ActOnProperty(CurScope, AtLoc, FD, OCDS, |
| 336 | GetterSel, SetterSel, |
| 337 | MethodImplKind); |
Chris Lattner | e82a10f | 2008-10-20 05:46:22 +0000 | [diff] [blame] | 338 | allProperties.push_back(Property); |
| 339 | } |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 340 | break; |
Steve Naroff | f28b264 | 2007-09-05 23:30:30 +0000 | [diff] [blame] | 341 | } |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 342 | } |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 343 | |
| 344 | // We break out of the big loop in two cases: when we see @end or when we see |
| 345 | // EOF. In the former case, eat the @end. In the later case, emit an error. |
| 346 | if (Tok.isObjCAtKeyword(tok::objc_end)) |
| 347 | ConsumeToken(); // the "end" identifier |
| 348 | else |
| 349 | Diag(Tok, diag::err_objc_missing_end); |
| 350 | |
Chris Lattner | a2449b2 | 2008-10-20 05:57:40 +0000 | [diff] [blame] | 351 | // Insert collected methods declarations into the @interface object. |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 352 | // This passes in an invalid SourceLocation for AtEndLoc when EOF is hit. |
Ted Kremenek | 8a77931 | 2008-06-06 16:45:15 +0000 | [diff] [blame] | 353 | Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, |
| 354 | allMethods.empty() ? 0 : &allMethods[0], |
| 355 | allMethods.size(), |
| 356 | allProperties.empty() ? 0 : &allProperties[0], |
| 357 | allProperties.size()); |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 358 | } |
| 359 | |
Fariborz Jahanian | d0f97d1 | 2007-08-31 16:11:31 +0000 | [diff] [blame] | 360 | /// Parse property attribute declarations. |
| 361 | /// |
| 362 | /// property-attr-decl: '(' property-attrlist ')' |
| 363 | /// property-attrlist: |
| 364 | /// property-attribute |
| 365 | /// property-attrlist ',' property-attribute |
| 366 | /// property-attribute: |
| 367 | /// getter '=' identifier |
| 368 | /// setter '=' identifier ':' |
| 369 | /// readonly |
| 370 | /// readwrite |
| 371 | /// assign |
| 372 | /// retain |
| 373 | /// copy |
| 374 | /// nonatomic |
| 375 | /// |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 376 | void Parser::ParseObjCPropertyAttribute(ObjCDeclSpec &DS) { |
Chris Lattner | 8ca329c | 2008-10-20 07:24:39 +0000 | [diff] [blame] | 377 | assert(Tok.getKind() == tok::l_paren); |
Chris Lattner | dd5b5f2 | 2008-10-20 07:00:43 +0000 | [diff] [blame] | 378 | SourceLocation LHSLoc = ConsumeParen(); // consume '(' |
| 379 | |
Chris Lattner | cd9f4b3 | 2008-10-20 07:15:22 +0000 | [diff] [blame] | 380 | while (1) { |
Fariborz Jahanian | d0f97d1 | 2007-08-31 16:11:31 +0000 | [diff] [blame] | 381 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
Chris Lattner | f6ed855 | 2008-10-20 07:22:18 +0000 | [diff] [blame] | 382 | |
| 383 | // If this is not an identifier at all, bail out early. |
| 384 | if (II == 0) { |
| 385 | MatchRHSPunctuation(tok::r_paren, LHSLoc); |
| 386 | return; |
| 387 | } |
| 388 | |
Chris Lattner | 156b061 | 2008-10-20 07:37:22 +0000 | [diff] [blame] | 389 | SourceLocation AttrName = ConsumeToken(); // consume last attribute name |
| 390 | |
Chris Lattner | 92e62b0 | 2008-11-20 04:42:34 +0000 | [diff] [blame] | 391 | if (II->isStr("readonly")) |
Chris Lattner | e00da7c | 2008-10-20 07:39:53 +0000 | [diff] [blame] | 392 | DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readonly); |
Chris Lattner | 92e62b0 | 2008-11-20 04:42:34 +0000 | [diff] [blame] | 393 | else if (II->isStr("assign")) |
Chris Lattner | e00da7c | 2008-10-20 07:39:53 +0000 | [diff] [blame] | 394 | DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_assign); |
Chris Lattner | 92e62b0 | 2008-11-20 04:42:34 +0000 | [diff] [blame] | 395 | else if (II->isStr("readwrite")) |
Chris Lattner | e00da7c | 2008-10-20 07:39:53 +0000 | [diff] [blame] | 396 | DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_readwrite); |
Chris Lattner | 92e62b0 | 2008-11-20 04:42:34 +0000 | [diff] [blame] | 397 | else if (II->isStr("retain")) |
Chris Lattner | e00da7c | 2008-10-20 07:39:53 +0000 | [diff] [blame] | 398 | DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_retain); |
Chris Lattner | 92e62b0 | 2008-11-20 04:42:34 +0000 | [diff] [blame] | 399 | else if (II->isStr("copy")) |
Chris Lattner | e00da7c | 2008-10-20 07:39:53 +0000 | [diff] [blame] | 400 | DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_copy); |
Chris Lattner | 92e62b0 | 2008-11-20 04:42:34 +0000 | [diff] [blame] | 401 | else if (II->isStr("nonatomic")) |
Chris Lattner | e00da7c | 2008-10-20 07:39:53 +0000 | [diff] [blame] | 402 | DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_nonatomic); |
Chris Lattner | 92e62b0 | 2008-11-20 04:42:34 +0000 | [diff] [blame] | 403 | else if (II->isStr("getter") || II->isStr("setter")) { |
Chris Lattner | e00da7c | 2008-10-20 07:39:53 +0000 | [diff] [blame] | 404 | // getter/setter require extra treatment. |
Chris Lattner | 156b061 | 2008-10-20 07:37:22 +0000 | [diff] [blame] | 405 | if (ExpectAndConsume(tok::equal, diag::err_objc_expected_equal, "", |
| 406 | tok::r_paren)) |
Chris Lattner | dd5b5f2 | 2008-10-20 07:00:43 +0000 | [diff] [blame] | 407 | return; |
Chris Lattner | 156b061 | 2008-10-20 07:37:22 +0000 | [diff] [blame] | 408 | |
Chris Lattner | 8ca329c | 2008-10-20 07:24:39 +0000 | [diff] [blame] | 409 | if (Tok.isNot(tok::identifier)) { |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 410 | Diag(Tok, diag::err_expected_ident); |
Chris Lattner | 8ca329c | 2008-10-20 07:24:39 +0000 | [diff] [blame] | 411 | SkipUntil(tok::r_paren); |
| 412 | return; |
| 413 | } |
| 414 | |
Chris Lattner | 5fd80fa | 2008-10-20 07:43:01 +0000 | [diff] [blame] | 415 | if (II->getName()[0] == 's') { |
Chris Lattner | 8ca329c | 2008-10-20 07:24:39 +0000 | [diff] [blame] | 416 | DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_setter); |
| 417 | DS.setSetterName(Tok.getIdentifierInfo()); |
Chris Lattner | 156b061 | 2008-10-20 07:37:22 +0000 | [diff] [blame] | 418 | ConsumeToken(); // consume method name |
| 419 | |
| 420 | if (ExpectAndConsume(tok::colon, diag::err_expected_colon, "", |
| 421 | tok::r_paren)) |
Chris Lattner | 8ca329c | 2008-10-20 07:24:39 +0000 | [diff] [blame] | 422 | return; |
Chris Lattner | 8ca329c | 2008-10-20 07:24:39 +0000 | [diff] [blame] | 423 | } else { |
| 424 | DS.setPropertyAttributes(ObjCDeclSpec::DQ_PR_getter); |
| 425 | DS.setGetterName(Tok.getIdentifierInfo()); |
Chris Lattner | 156b061 | 2008-10-20 07:37:22 +0000 | [diff] [blame] | 426 | ConsumeToken(); // consume method name |
Chris Lattner | 8ca329c | 2008-10-20 07:24:39 +0000 | [diff] [blame] | 427 | } |
Chris Lattner | e00da7c | 2008-10-20 07:39:53 +0000 | [diff] [blame] | 428 | } else { |
Chris Lattner | a9500f0 | 2008-11-19 07:49:38 +0000 | [diff] [blame] | 429 | Diag(AttrName, diag::err_objc_expected_property_attr) << II; |
Chris Lattner | cd9f4b3 | 2008-10-20 07:15:22 +0000 | [diff] [blame] | 430 | SkipUntil(tok::r_paren); |
| 431 | return; |
Chris Lattner | cd9f4b3 | 2008-10-20 07:15:22 +0000 | [diff] [blame] | 432 | } |
Fariborz Jahanian | 82a5fe3 | 2007-11-06 22:01:00 +0000 | [diff] [blame] | 433 | |
Chris Lattner | 156b061 | 2008-10-20 07:37:22 +0000 | [diff] [blame] | 434 | if (Tok.isNot(tok::comma)) |
| 435 | break; |
Chris Lattner | dd5b5f2 | 2008-10-20 07:00:43 +0000 | [diff] [blame] | 436 | |
Chris Lattner | 156b061 | 2008-10-20 07:37:22 +0000 | [diff] [blame] | 437 | ConsumeToken(); |
Fariborz Jahanian | d0f97d1 | 2007-08-31 16:11:31 +0000 | [diff] [blame] | 438 | } |
Chris Lattner | 156b061 | 2008-10-20 07:37:22 +0000 | [diff] [blame] | 439 | |
| 440 | MatchRHSPunctuation(tok::r_paren, LHSLoc); |
Fariborz Jahanian | d0f97d1 | 2007-08-31 16:11:31 +0000 | [diff] [blame] | 441 | } |
| 442 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 443 | /// objc-method-proto: |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 444 | /// objc-instance-method objc-method-decl objc-method-attributes[opt] |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 445 | /// objc-class-method objc-method-decl objc-method-attributes[opt] |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 446 | /// |
| 447 | /// objc-instance-method: '-' |
| 448 | /// objc-class-method: '+' |
| 449 | /// |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 450 | /// objc-method-attributes: [OBJC2] |
| 451 | /// __attribute__((deprecated)) |
| 452 | /// |
Fariborz Jahanian | 0093359 | 2007-09-18 00:25:23 +0000 | [diff] [blame] | 453 | Parser::DeclTy *Parser::ParseObjCMethodPrototype(DeclTy *IDecl, |
Chris Lattner | cb53b36 | 2007-12-27 19:57:00 +0000 | [diff] [blame] | 454 | tok::ObjCKeywordKind MethodImplKind) { |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 455 | assert((Tok.is(tok::minus) || Tok.is(tok::plus)) && "expected +/-"); |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 456 | |
| 457 | tok::TokenKind methodType = Tok.getKind(); |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 458 | SourceLocation mLoc = ConsumeToken(); |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 459 | |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 460 | DeclTy *MDecl = ParseObjCMethodDecl(mLoc, methodType, IDecl, MethodImplKind); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 461 | // Since this rule is used for both method declarations and definitions, |
Steve Naroff | 2bd42fa | 2007-09-10 20:51:04 +0000 | [diff] [blame] | 462 | // the caller is (optionally) responsible for consuming the ';'. |
Steve Naroff | f28b264 | 2007-09-05 23:30:30 +0000 | [diff] [blame] | 463 | return MDecl; |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 464 | } |
| 465 | |
| 466 | /// objc-selector: |
| 467 | /// identifier |
| 468 | /// one of |
| 469 | /// enum struct union if else while do for switch case default |
| 470 | /// break continue return goto asm sizeof typeof __alignof |
| 471 | /// unsigned long const short volatile signed restrict _Complex |
| 472 | /// in out inout bycopy byref oneway int char float double void _Bool |
| 473 | /// |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 474 | IdentifierInfo *Parser::ParseObjCSelector(SourceLocation &SelectorLoc) { |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 475 | switch (Tok.getKind()) { |
| 476 | default: |
| 477 | return 0; |
| 478 | case tok::identifier: |
Anders Carlsson | ef048ef | 2008-08-23 21:00:01 +0000 | [diff] [blame] | 479 | case tok::kw_asm: |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 480 | case tok::kw_auto: |
Chris Lattner | 9298d96 | 2007-11-15 05:25:19 +0000 | [diff] [blame] | 481 | case tok::kw_bool: |
Anders Carlsson | ef048ef | 2008-08-23 21:00:01 +0000 | [diff] [blame] | 482 | case tok::kw_break: |
| 483 | case tok::kw_case: |
| 484 | case tok::kw_catch: |
| 485 | case tok::kw_char: |
| 486 | case tok::kw_class: |
| 487 | case tok::kw_const: |
| 488 | case tok::kw_const_cast: |
| 489 | case tok::kw_continue: |
| 490 | case tok::kw_default: |
| 491 | case tok::kw_delete: |
| 492 | case tok::kw_do: |
| 493 | case tok::kw_double: |
| 494 | case tok::kw_dynamic_cast: |
| 495 | case tok::kw_else: |
| 496 | case tok::kw_enum: |
| 497 | case tok::kw_explicit: |
| 498 | case tok::kw_export: |
| 499 | case tok::kw_extern: |
| 500 | case tok::kw_false: |
| 501 | case tok::kw_float: |
| 502 | case tok::kw_for: |
| 503 | case tok::kw_friend: |
| 504 | case tok::kw_goto: |
| 505 | case tok::kw_if: |
| 506 | case tok::kw_inline: |
| 507 | case tok::kw_int: |
| 508 | case tok::kw_long: |
| 509 | case tok::kw_mutable: |
| 510 | case tok::kw_namespace: |
| 511 | case tok::kw_new: |
| 512 | case tok::kw_operator: |
| 513 | case tok::kw_private: |
| 514 | case tok::kw_protected: |
| 515 | case tok::kw_public: |
| 516 | case tok::kw_register: |
| 517 | case tok::kw_reinterpret_cast: |
| 518 | case tok::kw_restrict: |
| 519 | case tok::kw_return: |
| 520 | case tok::kw_short: |
| 521 | case tok::kw_signed: |
| 522 | case tok::kw_sizeof: |
| 523 | case tok::kw_static: |
| 524 | case tok::kw_static_cast: |
| 525 | case tok::kw_struct: |
| 526 | case tok::kw_switch: |
| 527 | case tok::kw_template: |
| 528 | case tok::kw_this: |
| 529 | case tok::kw_throw: |
| 530 | case tok::kw_true: |
| 531 | case tok::kw_try: |
| 532 | case tok::kw_typedef: |
| 533 | case tok::kw_typeid: |
| 534 | case tok::kw_typename: |
| 535 | case tok::kw_typeof: |
| 536 | case tok::kw_union: |
| 537 | case tok::kw_unsigned: |
| 538 | case tok::kw_using: |
| 539 | case tok::kw_virtual: |
| 540 | case tok::kw_void: |
| 541 | case tok::kw_volatile: |
| 542 | case tok::kw_wchar_t: |
| 543 | case tok::kw_while: |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 544 | case tok::kw__Bool: |
| 545 | case tok::kw__Complex: |
Anders Carlsson | ef048ef | 2008-08-23 21:00:01 +0000 | [diff] [blame] | 546 | case tok::kw___alignof: |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 547 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 548 | SelectorLoc = ConsumeToken(); |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 549 | return II; |
Fariborz Jahanian | d064951 | 2007-09-27 19:52:15 +0000 | [diff] [blame] | 550 | } |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 551 | } |
| 552 | |
Fariborz Jahanian | 0196cab | 2008-01-02 22:54:34 +0000 | [diff] [blame] | 553 | /// objc-for-collection-in: 'in' |
| 554 | /// |
Fariborz Jahanian | 335a2d4 | 2008-01-04 23:04:08 +0000 | [diff] [blame] | 555 | bool Parser::isTokIdentifier_in() const { |
Fariborz Jahanian | 3ba5a0f | 2008-01-03 17:55:25 +0000 | [diff] [blame] | 556 | // FIXME: May have to do additional look-ahead to only allow for |
| 557 | // valid tokens following an 'in'; such as an identifier, unary operators, |
| 558 | // '[' etc. |
Fariborz Jahanian | 335a2d4 | 2008-01-04 23:04:08 +0000 | [diff] [blame] | 559 | return (getLang().ObjC2 && Tok.is(tok::identifier) && |
Chris Lattner | 5ffb14b | 2008-08-23 02:02:23 +0000 | [diff] [blame] | 560 | Tok.getIdentifierInfo() == ObjCTypeQuals[objc_in]); |
Fariborz Jahanian | 0196cab | 2008-01-02 22:54:34 +0000 | [diff] [blame] | 561 | } |
| 562 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 563 | /// ParseObjCTypeQualifierList - This routine parses the objective-c's type |
Chris Lattner | e8b724d | 2007-12-12 06:56:32 +0000 | [diff] [blame] | 564 | /// qualifier list and builds their bitmask representation in the input |
| 565 | /// argument. |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 566 | /// |
| 567 | /// objc-type-qualifiers: |
| 568 | /// objc-type-qualifier |
| 569 | /// objc-type-qualifiers objc-type-qualifier |
| 570 | /// |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 571 | void Parser::ParseObjCTypeQualifierList(ObjCDeclSpec &DS) { |
Chris Lattner | e8b724d | 2007-12-12 06:56:32 +0000 | [diff] [blame] | 572 | while (1) { |
Chris Lattner | cb53b36 | 2007-12-27 19:57:00 +0000 | [diff] [blame] | 573 | if (Tok.isNot(tok::identifier)) |
Chris Lattner | e8b724d | 2007-12-12 06:56:32 +0000 | [diff] [blame] | 574 | return; |
| 575 | |
| 576 | const IdentifierInfo *II = Tok.getIdentifierInfo(); |
| 577 | for (unsigned i = 0; i != objc_NumQuals; ++i) { |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 578 | if (II != ObjCTypeQuals[i]) |
Chris Lattner | e8b724d | 2007-12-12 06:56:32 +0000 | [diff] [blame] | 579 | continue; |
| 580 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 581 | ObjCDeclSpec::ObjCDeclQualifier Qual; |
Chris Lattner | e8b724d | 2007-12-12 06:56:32 +0000 | [diff] [blame] | 582 | switch (i) { |
| 583 | default: assert(0 && "Unknown decl qualifier"); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 584 | case objc_in: Qual = ObjCDeclSpec::DQ_In; break; |
| 585 | case objc_out: Qual = ObjCDeclSpec::DQ_Out; break; |
| 586 | case objc_inout: Qual = ObjCDeclSpec::DQ_Inout; break; |
| 587 | case objc_oneway: Qual = ObjCDeclSpec::DQ_Oneway; break; |
| 588 | case objc_bycopy: Qual = ObjCDeclSpec::DQ_Bycopy; break; |
| 589 | case objc_byref: Qual = ObjCDeclSpec::DQ_Byref; break; |
Chris Lattner | e8b724d | 2007-12-12 06:56:32 +0000 | [diff] [blame] | 590 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 591 | DS.setObjCDeclQualifier(Qual); |
Chris Lattner | e8b724d | 2007-12-12 06:56:32 +0000 | [diff] [blame] | 592 | ConsumeToken(); |
| 593 | II = 0; |
| 594 | break; |
| 595 | } |
| 596 | |
| 597 | // If this wasn't a recognized qualifier, bail out. |
| 598 | if (II) return; |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | /// objc-type-name: |
| 603 | /// '(' objc-type-qualifiers[opt] type-name ')' |
| 604 | /// '(' objc-type-qualifiers[opt] ')' |
| 605 | /// |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 606 | Parser::TypeTy *Parser::ParseObjCTypeName(ObjCDeclSpec &DS) { |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 607 | assert(Tok.is(tok::l_paren) && "expected ("); |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 608 | |
Chris Lattner | 4a76b29 | 2008-10-22 03:52:06 +0000 | [diff] [blame] | 609 | SourceLocation LParenLoc = ConsumeParen(); |
Chris Lattner | e8904e9 | 2008-08-23 01:48:03 +0000 | [diff] [blame] | 610 | SourceLocation TypeStartLoc = Tok.getLocation(); |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 611 | |
Fariborz Jahanian | 19d74e1 | 2007-10-31 21:59:43 +0000 | [diff] [blame] | 612 | // Parse type qualifiers, in, inout, etc. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 613 | ParseObjCTypeQualifierList(DS); |
Steve Naroff | 4fa7afd | 2007-08-22 23:18:22 +0000 | [diff] [blame] | 614 | |
Chris Lattner | 4a76b29 | 2008-10-22 03:52:06 +0000 | [diff] [blame] | 615 | TypeTy *Ty = 0; |
| 616 | if (isTypeSpecifierQualifier()) |
Steve Naroff | f28b264 | 2007-09-05 23:30:30 +0000 | [diff] [blame] | 617 | Ty = ParseTypeName(); |
Chris Lattner | e8904e9 | 2008-08-23 01:48:03 +0000 | [diff] [blame] | 618 | |
Steve Naroff | d7333c2 | 2008-10-21 14:15:04 +0000 | [diff] [blame] | 619 | if (Tok.is(tok::r_paren)) |
Chris Lattner | 4a76b29 | 2008-10-22 03:52:06 +0000 | [diff] [blame] | 620 | ConsumeParen(); |
| 621 | else if (Tok.getLocation() == TypeStartLoc) { |
| 622 | // If we didn't eat any tokens, then this isn't a type. |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 623 | Diag(Tok, diag::err_expected_type); |
Chris Lattner | 4a76b29 | 2008-10-22 03:52:06 +0000 | [diff] [blame] | 624 | SkipUntil(tok::r_paren); |
| 625 | } else { |
| 626 | // Otherwise, we found *something*, but didn't get a ')' in the right |
| 627 | // place. Emit an error then return what we have as the type. |
| 628 | MatchRHSPunctuation(tok::r_paren, LParenLoc); |
| 629 | } |
Steve Naroff | f28b264 | 2007-09-05 23:30:30 +0000 | [diff] [blame] | 630 | return Ty; |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | /// objc-method-decl: |
| 634 | /// objc-selector |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 635 | /// objc-keyword-selector objc-parmlist[opt] |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 636 | /// objc-type-name objc-selector |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 637 | /// objc-type-name objc-keyword-selector objc-parmlist[opt] |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 638 | /// |
| 639 | /// objc-keyword-selector: |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 640 | /// objc-keyword-decl |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 641 | /// objc-keyword-selector objc-keyword-decl |
| 642 | /// |
| 643 | /// objc-keyword-decl: |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 644 | /// objc-selector ':' objc-type-name objc-keyword-attributes[opt] identifier |
| 645 | /// objc-selector ':' objc-keyword-attributes[opt] identifier |
| 646 | /// ':' objc-type-name objc-keyword-attributes[opt] identifier |
| 647 | /// ':' objc-keyword-attributes[opt] identifier |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 648 | /// |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 649 | /// objc-parmlist: |
| 650 | /// objc-parms objc-ellipsis[opt] |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 651 | /// |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 652 | /// objc-parms: |
| 653 | /// objc-parms , parameter-declaration |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 654 | /// |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 655 | /// objc-ellipsis: |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 656 | /// , ... |
| 657 | /// |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 658 | /// objc-keyword-attributes: [OBJC2] |
| 659 | /// __attribute__((unused)) |
| 660 | /// |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 661 | Parser::DeclTy *Parser::ParseObjCMethodDecl(SourceLocation mLoc, |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 662 | tok::TokenKind mType, |
| 663 | DeclTy *IDecl, |
Chris Lattner | cb53b36 | 2007-12-27 19:57:00 +0000 | [diff] [blame] | 664 | tok::ObjCKeywordKind MethodImplKind) |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 665 | { |
Chris Lattner | e8904e9 | 2008-08-23 01:48:03 +0000 | [diff] [blame] | 666 | // Parse the return type if present. |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 667 | TypeTy *ReturnType = 0; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 668 | ObjCDeclSpec DSRet; |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 669 | if (Tok.is(tok::l_paren)) |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 670 | ReturnType = ParseObjCTypeName(DSRet); |
Chris Lattner | e8904e9 | 2008-08-23 01:48:03 +0000 | [diff] [blame] | 671 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 672 | SourceLocation selLoc; |
| 673 | IdentifierInfo *SelIdent = ParseObjCSelector(selLoc); |
Chris Lattner | e8904e9 | 2008-08-23 01:48:03 +0000 | [diff] [blame] | 674 | |
| 675 | if (!SelIdent) { // missing selector name. |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 676 | Diag(Tok, diag::err_expected_selector_for_method) |
| 677 | << SourceRange(mLoc, Tok.getLocation()); |
Chris Lattner | e8904e9 | 2008-08-23 01:48:03 +0000 | [diff] [blame] | 678 | // Skip until we get a ; or {}. |
| 679 | SkipUntil(tok::r_brace); |
| 680 | return 0; |
| 681 | } |
| 682 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 683 | if (Tok.isNot(tok::colon)) { |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 684 | // If attributes exist after the method, parse them. |
| 685 | AttributeList *MethodAttrs = 0; |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 686 | if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 687 | MethodAttrs = ParseAttributes(); |
| 688 | |
| 689 | Selector Sel = PP.getSelectorTable().getNullarySelector(SelIdent); |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 690 | return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 691 | mType, IDecl, DSRet, ReturnType, Sel, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 692 | 0, 0, 0, MethodAttrs, MethodImplKind); |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 693 | } |
Steve Naroff | f28b264 | 2007-09-05 23:30:30 +0000 | [diff] [blame] | 694 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 695 | llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; |
| 696 | llvm::SmallVector<Action::TypeTy *, 12> KeyTypes; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 697 | llvm::SmallVector<ObjCDeclSpec, 12> ArgTypeQuals; |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 698 | llvm::SmallVector<IdentifierInfo *, 12> ArgNames; |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 699 | |
| 700 | Action::TypeTy *TypeInfo; |
| 701 | while (1) { |
| 702 | KeyIdents.push_back(SelIdent); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 703 | |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 704 | // Each iteration parses a single keyword argument. |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 705 | if (Tok.isNot(tok::colon)) { |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 706 | Diag(Tok, diag::err_expected_colon); |
| 707 | break; |
| 708 | } |
| 709 | ConsumeToken(); // Eat the ':'. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 710 | ObjCDeclSpec DSType; |
Chris Lattner | e8904e9 | 2008-08-23 01:48:03 +0000 | [diff] [blame] | 711 | if (Tok.is(tok::l_paren)) // Parse the argument type. |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 712 | TypeInfo = ParseObjCTypeName(DSType); |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 713 | else |
| 714 | TypeInfo = 0; |
| 715 | KeyTypes.push_back(TypeInfo); |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 716 | ArgTypeQuals.push_back(DSType); |
Steve Naroff | f28b264 | 2007-09-05 23:30:30 +0000 | [diff] [blame] | 717 | |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 718 | // If attributes exist before the argument name, parse them. |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 719 | if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 720 | ParseAttributes(); // FIXME: pass attributes through. |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 721 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 722 | if (Tok.isNot(tok::identifier)) { |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 723 | Diag(Tok, diag::err_expected_ident); // missing argument name. |
| 724 | break; |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 725 | } |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 726 | ArgNames.push_back(Tok.getIdentifierInfo()); |
| 727 | ConsumeToken(); // Eat the identifier. |
Steve Naroff | 29238a0 | 2007-10-05 18:42:47 +0000 | [diff] [blame] | 728 | |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 729 | // Check for another keyword selector. |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 730 | SourceLocation Loc; |
| 731 | SelIdent = ParseObjCSelector(Loc); |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 732 | if (!SelIdent && Tok.isNot(tok::colon)) |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 733 | break; |
| 734 | // We have a selector or a colon, continue parsing. |
Steve Naroff | 4985ace | 2007-08-22 18:35:33 +0000 | [diff] [blame] | 735 | } |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 736 | |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 737 | bool isVariadic = false; |
| 738 | |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 739 | // Parse the (optional) parameter list. |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 740 | while (Tok.is(tok::comma)) { |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 741 | ConsumeToken(); |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 742 | if (Tok.is(tok::ellipsis)) { |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 743 | isVariadic = true; |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 744 | ConsumeToken(); |
| 745 | break; |
| 746 | } |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 747 | // FIXME: implement this... |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 748 | // Parse the c-style argument declaration-specifier. |
| 749 | DeclSpec DS; |
| 750 | ParseDeclarationSpecifiers(DS); |
| 751 | // Parse the declarator. |
| 752 | Declarator ParmDecl(DS, Declarator::PrototypeContext); |
| 753 | ParseDeclarator(ParmDecl); |
| 754 | } |
| 755 | |
| 756 | // FIXME: Add support for optional parmameter list... |
Fariborz Jahanian | e3a2ca7 | 2007-09-10 20:33:04 +0000 | [diff] [blame] | 757 | // If attributes exist after the method, parse them. |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 758 | AttributeList *MethodAttrs = 0; |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 759 | if (getLang().ObjC2 && Tok.is(tok::kw___attribute)) |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 760 | MethodAttrs = ParseAttributes(); |
| 761 | |
| 762 | Selector Sel = PP.getSelectorTable().getSelector(KeyIdents.size(), |
| 763 | &KeyIdents[0]); |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 764 | return Actions.ActOnMethodDeclaration(mLoc, Tok.getLocation(), |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 765 | mType, IDecl, DSRet, ReturnType, Sel, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 766 | &ArgTypeQuals[0], &KeyTypes[0], |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 767 | &ArgNames[0], MethodAttrs, |
| 768 | MethodImplKind, isVariadic); |
Steve Naroff | 294494e | 2007-08-22 16:35:03 +0000 | [diff] [blame] | 769 | } |
| 770 | |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 771 | /// objc-protocol-refs: |
| 772 | /// '<' identifier-list '>' |
| 773 | /// |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 774 | bool Parser:: |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 775 | ParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclTy*> &Protocols, |
| 776 | bool WarnOnDeclarations, SourceLocation &EndLoc) { |
| 777 | assert(Tok.is(tok::less) && "expected <"); |
| 778 | |
| 779 | ConsumeToken(); // the "<" |
| 780 | |
| 781 | llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents; |
| 782 | |
| 783 | while (1) { |
| 784 | if (Tok.isNot(tok::identifier)) { |
| 785 | Diag(Tok, diag::err_expected_ident); |
| 786 | SkipUntil(tok::greater); |
| 787 | return true; |
| 788 | } |
| 789 | ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(), |
| 790 | Tok.getLocation())); |
| 791 | ConsumeToken(); |
| 792 | |
| 793 | if (Tok.isNot(tok::comma)) |
| 794 | break; |
| 795 | ConsumeToken(); |
| 796 | } |
| 797 | |
| 798 | // Consume the '>'. |
| 799 | if (Tok.isNot(tok::greater)) { |
| 800 | Diag(Tok, diag::err_expected_greater); |
| 801 | return true; |
| 802 | } |
| 803 | |
| 804 | EndLoc = ConsumeAnyToken(); |
| 805 | |
| 806 | // Convert the list of protocols identifiers into a list of protocol decls. |
| 807 | Actions.FindProtocolDeclaration(WarnOnDeclarations, |
| 808 | &ProtocolIdents[0], ProtocolIdents.size(), |
| 809 | Protocols); |
| 810 | return false; |
| 811 | } |
| 812 | |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 813 | /// objc-class-instance-variables: |
| 814 | /// '{' objc-instance-variable-decl-list[opt] '}' |
| 815 | /// |
| 816 | /// objc-instance-variable-decl-list: |
| 817 | /// objc-visibility-spec |
| 818 | /// objc-instance-variable-decl ';' |
| 819 | /// ';' |
| 820 | /// objc-instance-variable-decl-list objc-visibility-spec |
| 821 | /// objc-instance-variable-decl-list objc-instance-variable-decl ';' |
| 822 | /// objc-instance-variable-decl-list ';' |
| 823 | /// |
| 824 | /// objc-visibility-spec: |
| 825 | /// @private |
| 826 | /// @protected |
| 827 | /// @public |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 828 | /// @package [OBJC2] |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 829 | /// |
| 830 | /// objc-instance-variable-decl: |
| 831 | /// struct-declaration |
| 832 | /// |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 833 | void Parser::ParseObjCClassInstanceVariables(DeclTy *interfaceDecl, |
| 834 | SourceLocation atLoc) { |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 835 | assert(Tok.is(tok::l_brace) && "expected {"); |
Fariborz Jahanian | 7d6402f | 2007-09-13 20:56:13 +0000 | [diff] [blame] | 836 | llvm::SmallVector<DeclTy*, 32> AllIvarDecls; |
Chris Lattner | e135942 | 2008-04-10 06:46:29 +0000 | [diff] [blame] | 837 | llvm::SmallVector<FieldDeclarator, 8> FieldDeclarators; |
| 838 | |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 839 | SourceLocation LBraceLoc = ConsumeBrace(); // the "{" |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 840 | |
Fariborz Jahanian | aa847fe | 2008-04-29 23:03:51 +0000 | [diff] [blame] | 841 | tok::ObjCKeywordKind visibility = tok::objc_protected; |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 842 | // While we still have something to read, read the instance variables. |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 843 | while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 844 | // Each iteration of this loop reads one objc-instance-variable-decl. |
| 845 | |
| 846 | // Check for extraneous top-level semicolon. |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 847 | if (Tok.is(tok::semi)) { |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 848 | Diag(Tok, diag::ext_extra_struct_semi); |
| 849 | ConsumeToken(); |
| 850 | continue; |
| 851 | } |
Chris Lattner | e135942 | 2008-04-10 06:46:29 +0000 | [diff] [blame] | 852 | |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 853 | // Set the default visibility to private. |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 854 | if (Tok.is(tok::at)) { // parse objc-visibility-spec |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 855 | ConsumeToken(); // eat the @ sign |
Steve Naroff | 861cf3e | 2007-08-23 18:16:40 +0000 | [diff] [blame] | 856 | switch (Tok.getObjCKeywordID()) { |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 857 | case tok::objc_private: |
| 858 | case tok::objc_public: |
| 859 | case tok::objc_protected: |
| 860 | case tok::objc_package: |
Steve Naroff | 861cf3e | 2007-08-23 18:16:40 +0000 | [diff] [blame] | 861 | visibility = Tok.getObjCKeywordID(); |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 862 | ConsumeToken(); |
| 863 | continue; |
| 864 | default: |
| 865 | Diag(Tok, diag::err_objc_illegal_visibility_spec); |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 866 | continue; |
| 867 | } |
| 868 | } |
Chris Lattner | e135942 | 2008-04-10 06:46:29 +0000 | [diff] [blame] | 869 | |
| 870 | // Parse all the comma separated declarators. |
| 871 | DeclSpec DS; |
| 872 | FieldDeclarators.clear(); |
| 873 | ParseStructDeclaration(DS, FieldDeclarators); |
| 874 | |
| 875 | // Convert them all to fields. |
| 876 | for (unsigned i = 0, e = FieldDeclarators.size(); i != e; ++i) { |
| 877 | FieldDeclarator &FD = FieldDeclarators[i]; |
| 878 | // Install the declarator into interfaceDecl. |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 879 | DeclTy *Field = Actions.ActOnIvar(CurScope, |
Chris Lattner | e135942 | 2008-04-10 06:46:29 +0000 | [diff] [blame] | 880 | DS.getSourceRange().getBegin(), |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 881 | FD.D, FD.BitfieldSize, visibility); |
Chris Lattner | e135942 | 2008-04-10 06:46:29 +0000 | [diff] [blame] | 882 | AllIvarDecls.push_back(Field); |
Fariborz Jahanian | 7d6402f | 2007-09-13 20:56:13 +0000 | [diff] [blame] | 883 | } |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 884 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 885 | if (Tok.is(tok::semi)) { |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 886 | ConsumeToken(); |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 887 | } else { |
| 888 | Diag(Tok, diag::err_expected_semi_decl_list); |
| 889 | // Skip to end of block or statement |
| 890 | SkipUntil(tok::r_brace, true, true); |
| 891 | } |
| 892 | } |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 893 | SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); |
Steve Naroff | 8749be5 | 2007-10-31 22:11:35 +0000 | [diff] [blame] | 894 | // Call ActOnFields() even if we don't have any decls. This is useful |
| 895 | // for code rewriting tools that need to be aware of the empty list. |
| 896 | Actions.ActOnFields(CurScope, atLoc, interfaceDecl, |
| 897 | &AllIvarDecls[0], AllIvarDecls.size(), |
Daniel Dunbar | 1bfe1c2 | 2008-10-03 02:03:53 +0000 | [diff] [blame] | 898 | LBraceLoc, RBraceLoc, 0); |
Steve Naroff | ddbff78 | 2007-08-21 21:17:12 +0000 | [diff] [blame] | 899 | return; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 900 | } |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 901 | |
| 902 | /// objc-protocol-declaration: |
| 903 | /// objc-protocol-definition |
| 904 | /// objc-protocol-forward-reference |
| 905 | /// |
| 906 | /// objc-protocol-definition: |
| 907 | /// @protocol identifier |
| 908 | /// objc-protocol-refs[opt] |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 909 | /// objc-interface-decl-list |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 910 | /// @end |
| 911 | /// |
| 912 | /// objc-protocol-forward-reference: |
| 913 | /// @protocol identifier-list ';' |
| 914 | /// |
| 915 | /// "@protocol identifier ;" should be resolved as "@protocol |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 916 | /// identifier-list ;": objc-interface-decl-list may not start with a |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 917 | /// semicolon in the first alternative if objc-protocol-refs are omitted. |
Daniel Dunbar | 246e70f | 2008-09-26 04:48:09 +0000 | [diff] [blame] | 918 | Parser::DeclTy *Parser::ParseObjCAtProtocolDeclaration(SourceLocation AtLoc, |
| 919 | AttributeList *attrList) { |
Steve Naroff | 861cf3e | 2007-08-23 18:16:40 +0000 | [diff] [blame] | 920 | assert(Tok.isObjCAtKeyword(tok::objc_protocol) && |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 921 | "ParseObjCAtProtocolDeclaration(): Expected @protocol"); |
| 922 | ConsumeToken(); // the "protocol" identifier |
| 923 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 924 | if (Tok.isNot(tok::identifier)) { |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 925 | Diag(Tok, diag::err_expected_ident); // missing protocol name. |
| 926 | return 0; |
| 927 | } |
| 928 | // Save the protocol name, then consume it. |
| 929 | IdentifierInfo *protocolName = Tok.getIdentifierInfo(); |
| 930 | SourceLocation nameLoc = ConsumeToken(); |
| 931 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 932 | if (Tok.is(tok::semi)) { // forward declaration of one protocol. |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 933 | IdentifierLocPair ProtoInfo(protocolName, nameLoc); |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 934 | ConsumeToken(); |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 935 | return Actions.ActOnForwardProtocolDeclaration(AtLoc, &ProtoInfo, 1); |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 936 | } |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 937 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 938 | if (Tok.is(tok::comma)) { // list of forward declarations. |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 939 | llvm::SmallVector<IdentifierLocPair, 8> ProtocolRefs; |
| 940 | ProtocolRefs.push_back(std::make_pair(protocolName, nameLoc)); |
| 941 | |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 942 | // Parse the list of forward declarations. |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 943 | while (1) { |
| 944 | ConsumeToken(); // the ',' |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 945 | if (Tok.isNot(tok::identifier)) { |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 946 | Diag(Tok, diag::err_expected_ident); |
| 947 | SkipUntil(tok::semi); |
| 948 | return 0; |
| 949 | } |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 950 | ProtocolRefs.push_back(IdentifierLocPair(Tok.getIdentifierInfo(), |
| 951 | Tok.getLocation())); |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 952 | ConsumeToken(); // the identifier |
| 953 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 954 | if (Tok.isNot(tok::comma)) |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 955 | break; |
| 956 | } |
| 957 | // Consume the ';'. |
| 958 | if (ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@protocol")) |
| 959 | return 0; |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 960 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 961 | return Actions.ActOnForwardProtocolDeclaration(AtLoc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 962 | &ProtocolRefs[0], |
| 963 | ProtocolRefs.size()); |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 964 | } |
| 965 | |
Steve Naroff | 7ef58fd | 2007-08-22 22:17:26 +0000 | [diff] [blame] | 966 | // Last, and definitely not least, parse a protocol declaration. |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 967 | SourceLocation EndProtoLoc; |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 968 | |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 969 | llvm::SmallVector<DeclTy *, 8> ProtocolRefs; |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 970 | if (Tok.is(tok::less) && |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 971 | ParseObjCProtocolReferences(ProtocolRefs, true, EndProtoLoc)) |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 972 | return 0; |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 973 | |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 974 | DeclTy *ProtoType = |
| 975 | Actions.ActOnStartProtocolInterface(AtLoc, protocolName, nameLoc, |
| 976 | &ProtocolRefs[0], ProtocolRefs.size(), |
Daniel Dunbar | 246e70f | 2008-09-26 04:48:09 +0000 | [diff] [blame] | 977 | EndProtoLoc, attrList); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 978 | ParseObjCInterfaceDeclList(ProtoType, tok::objc_protocol); |
Chris Lattner | bc662af | 2008-10-20 06:10:06 +0000 | [diff] [blame] | 979 | return ProtoType; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 980 | } |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 981 | |
| 982 | /// objc-implementation: |
| 983 | /// objc-class-implementation-prologue |
| 984 | /// objc-category-implementation-prologue |
| 985 | /// |
| 986 | /// objc-class-implementation-prologue: |
| 987 | /// @implementation identifier objc-superclass[opt] |
| 988 | /// objc-class-instance-variables[opt] |
| 989 | /// |
| 990 | /// objc-category-implementation-prologue: |
| 991 | /// @implementation identifier ( identifier ) |
| 992 | |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 993 | Parser::DeclTy *Parser::ParseObjCAtImplementationDeclaration( |
| 994 | SourceLocation atLoc) { |
| 995 | assert(Tok.isObjCAtKeyword(tok::objc_implementation) && |
| 996 | "ParseObjCAtImplementationDeclaration(): Expected @implementation"); |
| 997 | ConsumeToken(); // the "implementation" identifier |
| 998 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 999 | if (Tok.isNot(tok::identifier)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1000 | Diag(Tok, diag::err_expected_ident); // missing class or category name. |
| 1001 | return 0; |
| 1002 | } |
| 1003 | // We have a class or category name - consume it. |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 1004 | IdentifierInfo *nameId = Tok.getIdentifierInfo(); |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1005 | SourceLocation nameLoc = ConsumeToken(); // consume class or category name |
| 1006 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1007 | if (Tok.is(tok::l_paren)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1008 | // we have a category implementation. |
| 1009 | SourceLocation lparenLoc = ConsumeParen(); |
| 1010 | SourceLocation categoryLoc, rparenLoc; |
| 1011 | IdentifierInfo *categoryId = 0; |
| 1012 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1013 | if (Tok.is(tok::identifier)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1014 | categoryId = Tok.getIdentifierInfo(); |
| 1015 | categoryLoc = ConsumeToken(); |
| 1016 | } else { |
| 1017 | Diag(Tok, diag::err_expected_ident); // missing category name. |
| 1018 | return 0; |
| 1019 | } |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1020 | if (Tok.isNot(tok::r_paren)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1021 | Diag(Tok, diag::err_expected_rparen); |
| 1022 | SkipUntil(tok::r_paren, false); // don't stop at ';' |
| 1023 | return 0; |
| 1024 | } |
| 1025 | rparenLoc = ConsumeParen(); |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 1026 | DeclTy *ImplCatType = Actions.ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 1027 | atLoc, nameId, nameLoc, categoryId, |
| 1028 | categoryLoc); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1029 | ObjCImpDecl = ImplCatType; |
Fariborz Jahanian | db8f3d3 | 2007-11-10 20:59:13 +0000 | [diff] [blame] | 1030 | return 0; |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1031 | } |
| 1032 | // We have a class implementation |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 1033 | SourceLocation superClassLoc; |
| 1034 | IdentifierInfo *superClassId = 0; |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1035 | if (Tok.is(tok::colon)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1036 | // We have a super class |
| 1037 | ConsumeToken(); |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1038 | if (Tok.isNot(tok::identifier)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1039 | Diag(Tok, diag::err_expected_ident); // missing super class name. |
| 1040 | return 0; |
| 1041 | } |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 1042 | superClassId = Tok.getIdentifierInfo(); |
| 1043 | superClassLoc = ConsumeToken(); // Consume super class name |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1044 | } |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 1045 | DeclTy *ImplClsType = Actions.ActOnStartClassImplementation( |
Chris Lattner | cb53b36 | 2007-12-27 19:57:00 +0000 | [diff] [blame] | 1046 | atLoc, nameId, nameLoc, |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 1047 | superClassId, superClassLoc); |
| 1048 | |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 1049 | if (Tok.is(tok::l_brace)) // we have ivars |
| 1050 | ParseObjCClassInstanceVariables(ImplClsType/*FIXME*/, atLoc); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1051 | ObjCImpDecl = ImplClsType; |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1052 | |
Fariborz Jahanian | db8f3d3 | 2007-11-10 20:59:13 +0000 | [diff] [blame] | 1053 | return 0; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1054 | } |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 1055 | |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1056 | Parser::DeclTy *Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) { |
| 1057 | assert(Tok.isObjCAtKeyword(tok::objc_end) && |
| 1058 | "ParseObjCAtEndDeclaration(): Expected @end"); |
| 1059 | ConsumeToken(); // the "end" identifier |
Fariborz Jahanian | 94cdb25 | 2008-01-10 17:58:07 +0000 | [diff] [blame] | 1060 | if (ObjCImpDecl) |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1061 | Actions.ActOnAtEnd(atLoc, ObjCImpDecl); |
Fariborz Jahanian | 94cdb25 | 2008-01-10 17:58:07 +0000 | [diff] [blame] | 1062 | else |
| 1063 | Diag(atLoc, diag::warn_expected_implementation); // missing @implementation |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1064 | return ObjCImpDecl; |
Steve Naroff | dac269b | 2007-08-20 21:31:48 +0000 | [diff] [blame] | 1065 | } |
Fariborz Jahanian | e992af0 | 2007-09-04 19:26:51 +0000 | [diff] [blame] | 1066 | |
| 1067 | /// compatibility-alias-decl: |
| 1068 | /// @compatibility_alias alias-name class-name ';' |
| 1069 | /// |
| 1070 | Parser::DeclTy *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) { |
| 1071 | assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) && |
| 1072 | "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias"); |
| 1073 | ConsumeToken(); // consume compatibility_alias |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1074 | if (Tok.isNot(tok::identifier)) { |
Fariborz Jahanian | e992af0 | 2007-09-04 19:26:51 +0000 | [diff] [blame] | 1075 | Diag(Tok, diag::err_expected_ident); |
| 1076 | return 0; |
| 1077 | } |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 1078 | IdentifierInfo *aliasId = Tok.getIdentifierInfo(); |
| 1079 | SourceLocation aliasLoc = ConsumeToken(); // consume alias-name |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1080 | if (Tok.isNot(tok::identifier)) { |
Fariborz Jahanian | e992af0 | 2007-09-04 19:26:51 +0000 | [diff] [blame] | 1081 | Diag(Tok, diag::err_expected_ident); |
| 1082 | return 0; |
| 1083 | } |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 1084 | IdentifierInfo *classId = Tok.getIdentifierInfo(); |
| 1085 | SourceLocation classLoc = ConsumeToken(); // consume class-name; |
| 1086 | if (Tok.isNot(tok::semi)) { |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1087 | Diag(Tok, diag::err_expected_semi_after) << "@compatibility_alias"; |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 1088 | return 0; |
| 1089 | } |
| 1090 | DeclTy *ClsType = Actions.ActOnCompatiblityAlias(atLoc, |
| 1091 | aliasId, aliasLoc, |
| 1092 | classId, classLoc); |
| 1093 | return ClsType; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1094 | } |
| 1095 | |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1096 | /// property-synthesis: |
| 1097 | /// @synthesize property-ivar-list ';' |
| 1098 | /// |
| 1099 | /// property-ivar-list: |
| 1100 | /// property-ivar |
| 1101 | /// property-ivar-list ',' property-ivar |
| 1102 | /// |
| 1103 | /// property-ivar: |
| 1104 | /// identifier |
| 1105 | /// identifier '=' identifier |
| 1106 | /// |
| 1107 | Parser::DeclTy *Parser::ParseObjCPropertySynthesize(SourceLocation atLoc) { |
| 1108 | assert(Tok.isObjCAtKeyword(tok::objc_synthesize) && |
| 1109 | "ParseObjCPropertyDynamic(): Expected '@synthesize'"); |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 1110 | SourceLocation loc = ConsumeToken(); // consume synthesize |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1111 | if (Tok.isNot(tok::identifier)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1112 | Diag(Tok, diag::err_expected_ident); |
| 1113 | return 0; |
| 1114 | } |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1115 | while (Tok.is(tok::identifier)) { |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 1116 | IdentifierInfo *propertyIvar = 0; |
| 1117 | IdentifierInfo *propertyId = Tok.getIdentifierInfo(); |
| 1118 | SourceLocation propertyLoc = ConsumeToken(); // consume property name |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1119 | if (Tok.is(tok::equal)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1120 | // property '=' ivar-name |
| 1121 | ConsumeToken(); // consume '=' |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1122 | if (Tok.isNot(tok::identifier)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1123 | Diag(Tok, diag::err_expected_ident); |
| 1124 | break; |
| 1125 | } |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 1126 | propertyIvar = Tok.getIdentifierInfo(); |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1127 | ConsumeToken(); // consume ivar-name |
| 1128 | } |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 1129 | Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, true, ObjCImpDecl, |
| 1130 | propertyId, propertyIvar); |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1131 | if (Tok.isNot(tok::comma)) |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1132 | break; |
| 1133 | ConsumeToken(); // consume ',' |
| 1134 | } |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1135 | if (Tok.isNot(tok::semi)) |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1136 | Diag(Tok, diag::err_expected_semi_after) << "@synthesize"; |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1137 | return 0; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1138 | } |
| 1139 | |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1140 | /// property-dynamic: |
| 1141 | /// @dynamic property-list |
| 1142 | /// |
| 1143 | /// property-list: |
| 1144 | /// identifier |
| 1145 | /// property-list ',' identifier |
| 1146 | /// |
| 1147 | Parser::DeclTy *Parser::ParseObjCPropertyDynamic(SourceLocation atLoc) { |
| 1148 | assert(Tok.isObjCAtKeyword(tok::objc_dynamic) && |
| 1149 | "ParseObjCPropertyDynamic(): Expected '@dynamic'"); |
| 1150 | SourceLocation loc = ConsumeToken(); // consume dynamic |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1151 | if (Tok.isNot(tok::identifier)) { |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1152 | Diag(Tok, diag::err_expected_ident); |
| 1153 | return 0; |
| 1154 | } |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1155 | while (Tok.is(tok::identifier)) { |
Fariborz Jahanian | c35b9e4 | 2008-04-21 21:05:54 +0000 | [diff] [blame] | 1156 | IdentifierInfo *propertyId = Tok.getIdentifierInfo(); |
| 1157 | SourceLocation propertyLoc = ConsumeToken(); // consume property name |
| 1158 | Actions.ActOnPropertyImplDecl(atLoc, propertyLoc, false, ObjCImpDecl, |
| 1159 | propertyId, 0); |
| 1160 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1161 | if (Tok.isNot(tok::comma)) |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1162 | break; |
| 1163 | ConsumeToken(); // consume ',' |
| 1164 | } |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1165 | if (Tok.isNot(tok::semi)) |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1166 | Diag(Tok, diag::err_expected_semi_after) << "@dynamic"; |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1167 | return 0; |
| 1168 | } |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1169 | |
| 1170 | /// objc-throw-statement: |
| 1171 | /// throw expression[opt]; |
| 1172 | /// |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 1173 | Parser::StmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) { |
| 1174 | ExprResult Res; |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1175 | ConsumeToken(); // consume throw |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1176 | if (Tok.isNot(tok::semi)) { |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 1177 | Res = ParseExpression(); |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1178 | if (Res.isInvalid) { |
| 1179 | SkipUntil(tok::semi); |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 1180 | return true; |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1181 | } |
| 1182 | } |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 1183 | ConsumeToken(); // consume ';' |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1184 | return Actions.ActOnObjCAtThrowStmt(atLoc, Res.Val); |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1185 | } |
| 1186 | |
Fariborz Jahanian | c385c90 | 2008-01-29 18:21:32 +0000 | [diff] [blame] | 1187 | /// objc-synchronized-statement: |
Fariborz Jahanian | 78a677b | 2008-01-30 17:38:29 +0000 | [diff] [blame] | 1188 | /// @synchronized '(' expression ')' compound-statement |
Fariborz Jahanian | c385c90 | 2008-01-29 18:21:32 +0000 | [diff] [blame] | 1189 | /// |
| 1190 | Parser::StmtResult Parser::ParseObjCSynchronizedStmt(SourceLocation atLoc) { |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 1191 | ConsumeToken(); // consume synchronized |
| 1192 | if (Tok.isNot(tok::l_paren)) { |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1193 | Diag(Tok, diag::err_expected_lparen_after) << "@synchronized"; |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 1194 | return true; |
| 1195 | } |
| 1196 | ConsumeParen(); // '(' |
Fariborz Jahanian | 78a677b | 2008-01-30 17:38:29 +0000 | [diff] [blame] | 1197 | ExprResult Res = ParseExpression(); |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1198 | ExprGuard ResGuard(Actions, Res); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 1199 | if (Res.isInvalid) { |
| 1200 | SkipUntil(tok::semi); |
| 1201 | return true; |
| 1202 | } |
| 1203 | if (Tok.isNot(tok::r_paren)) { |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1204 | Diag(Tok, diag::err_expected_lbrace); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 1205 | return true; |
| 1206 | } |
| 1207 | ConsumeParen(); // ')' |
Fariborz Jahanian | 78a677b | 2008-01-30 17:38:29 +0000 | [diff] [blame] | 1208 | if (Tok.isNot(tok::l_brace)) { |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1209 | Diag(Tok, diag::err_expected_lbrace); |
Fariborz Jahanian | 78a677b | 2008-01-30 17:38:29 +0000 | [diff] [blame] | 1210 | return true; |
| 1211 | } |
Steve Naroff | 3ac438c | 2008-06-04 20:36:13 +0000 | [diff] [blame] | 1212 | // Enter a scope to hold everything within the compound stmt. Compound |
| 1213 | // statements can always hold declarations. |
| 1214 | EnterScope(Scope::DeclScope); |
| 1215 | |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 1216 | StmtResult SynchBody = ParseCompoundStatementBody(); |
Steve Naroff | 3ac438c | 2008-06-04 20:36:13 +0000 | [diff] [blame] | 1217 | |
| 1218 | ExitScope(); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 1219 | if (SynchBody.isInvalid) |
| 1220 | SynchBody = Actions.ActOnNullStmt(Tok.getLocation()); |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1221 | return Actions.ActOnObjCAtSynchronizedStmt(atLoc, ResGuard.take(), |
| 1222 | SynchBody.Val); |
Fariborz Jahanian | c385c90 | 2008-01-29 18:21:32 +0000 | [diff] [blame] | 1223 | } |
| 1224 | |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1225 | /// objc-try-catch-statement: |
| 1226 | /// @try compound-statement objc-catch-list[opt] |
| 1227 | /// @try compound-statement objc-catch-list[opt] @finally compound-statement |
| 1228 | /// |
| 1229 | /// objc-catch-list: |
| 1230 | /// @catch ( parameter-declaration ) compound-statement |
| 1231 | /// objc-catch-list @catch ( catch-parameter-declaration ) compound-statement |
| 1232 | /// catch-parameter-declaration: |
| 1233 | /// parameter-declaration |
| 1234 | /// '...' [OBJC2] |
| 1235 | /// |
Chris Lattner | 6b88450 | 2008-03-10 06:06:04 +0000 | [diff] [blame] | 1236 | Parser::StmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) { |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1237 | bool catch_or_finally_seen = false; |
Steve Naroff | 64515f3 | 2008-02-05 21:27:35 +0000 | [diff] [blame] | 1238 | |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1239 | ConsumeToken(); // consume try |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1240 | if (Tok.isNot(tok::l_brace)) { |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1241 | Diag(Tok, diag::err_expected_lbrace); |
Fariborz Jahanian | b210bd0 | 2007-11-01 21:12:44 +0000 | [diff] [blame] | 1242 | return true; |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1243 | } |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 1244 | StmtResult CatchStmts; |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 1245 | StmtResult FinallyStmt; |
Ted Kremenek | 3527b59 | 2008-09-26 17:32:47 +0000 | [diff] [blame] | 1246 | EnterScope(Scope::DeclScope); |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1247 | StmtResult TryBody = ParseCompoundStatementBody(); |
Ted Kremenek | 3527b59 | 2008-09-26 17:32:47 +0000 | [diff] [blame] | 1248 | ExitScope(); |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 1249 | if (TryBody.isInvalid) |
| 1250 | TryBody = Actions.ActOnNullStmt(Tok.getLocation()); |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1251 | ExprGuard TryGuard(Actions, TryBody); |
| 1252 | ExprGuard CatchGuard(Actions), FinallyGuard(Actions); |
| 1253 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1254 | while (Tok.is(tok::at)) { |
Chris Lattner | 6b88450 | 2008-03-10 06:06:04 +0000 | [diff] [blame] | 1255 | // At this point, we need to lookahead to determine if this @ is the start |
| 1256 | // of an @catch or @finally. We don't want to consume the @ token if this |
| 1257 | // is an @try or @encode or something else. |
| 1258 | Token AfterAt = GetLookAheadToken(1); |
| 1259 | if (!AfterAt.isObjCAtKeyword(tok::objc_catch) && |
| 1260 | !AfterAt.isObjCAtKeyword(tok::objc_finally)) |
| 1261 | break; |
| 1262 | |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 1263 | SourceLocation AtCatchFinallyLoc = ConsumeToken(); |
Chris Lattner | cb53b36 | 2007-12-27 19:57:00 +0000 | [diff] [blame] | 1264 | if (Tok.isObjCAtKeyword(tok::objc_catch)) { |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 1265 | StmtTy *FirstPart = 0; |
| 1266 | ConsumeToken(); // consume catch |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1267 | if (Tok.is(tok::l_paren)) { |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1268 | ConsumeParen(); |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 1269 | EnterScope(Scope::DeclScope); |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1270 | if (Tok.isNot(tok::ellipsis)) { |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1271 | DeclSpec DS; |
| 1272 | ParseDeclarationSpecifiers(DS); |
Steve Naroff | 459a1e2 | 2008-06-03 05:36:54 +0000 | [diff] [blame] | 1273 | // For some odd reason, the name of the exception variable is |
| 1274 | // optional. As a result, we need to use PrototypeContext. |
| 1275 | Declarator DeclaratorInfo(DS, Declarator::PrototypeContext); |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 1276 | ParseDeclarator(DeclaratorInfo); |
Steve Naroff | 459a1e2 | 2008-06-03 05:36:54 +0000 | [diff] [blame] | 1277 | if (DeclaratorInfo.getIdentifier()) { |
| 1278 | DeclTy *aBlockVarDecl = Actions.ActOnDeclarator(CurScope, |
Daniel Dunbar | 914701e | 2008-08-05 16:28:08 +0000 | [diff] [blame] | 1279 | DeclaratorInfo, 0); |
Steve Naroff | 459a1e2 | 2008-06-03 05:36:54 +0000 | [diff] [blame] | 1280 | StmtResult stmtResult = |
| 1281 | Actions.ActOnDeclStmt(aBlockVarDecl, |
| 1282 | DS.getSourceRange().getBegin(), |
| 1283 | DeclaratorInfo.getSourceRange().getEnd()); |
| 1284 | FirstPart = stmtResult.isInvalid ? 0 : stmtResult.Val; |
| 1285 | } |
Steve Naroff | 64515f3 | 2008-02-05 21:27:35 +0000 | [diff] [blame] | 1286 | } else |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1287 | ConsumeToken(); // consume '...' |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 1288 | SourceLocation RParenLoc = ConsumeParen(); |
Chris Lattner | c1b3ba5 | 2008-02-14 19:27:54 +0000 | [diff] [blame] | 1289 | |
| 1290 | StmtResult CatchBody(true); |
| 1291 | if (Tok.is(tok::l_brace)) |
| 1292 | CatchBody = ParseCompoundStatementBody(); |
| 1293 | else |
| 1294 | Diag(Tok, diag::err_expected_lbrace); |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 1295 | if (CatchBody.isInvalid) |
| 1296 | CatchBody = Actions.ActOnNullStmt(Tok.getLocation()); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1297 | CatchStmts = Actions.ActOnObjCAtCatchStmt(AtCatchFinallyLoc, RParenLoc, |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1298 | FirstPart, CatchBody.Val, CatchGuard.take()); |
| 1299 | CatchGuard.reset(CatchStmts); |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 1300 | ExitScope(); |
Steve Naroff | 64515f3 | 2008-02-05 21:27:35 +0000 | [diff] [blame] | 1301 | } else { |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1302 | Diag(AtCatchFinallyLoc, diag::err_expected_lparen_after) |
| 1303 | << "@catch clause"; |
Fariborz Jahanian | b210bd0 | 2007-11-01 21:12:44 +0000 | [diff] [blame] | 1304 | return true; |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1305 | } |
| 1306 | catch_or_finally_seen = true; |
Chris Lattner | 6b88450 | 2008-03-10 06:06:04 +0000 | [diff] [blame] | 1307 | } else { |
| 1308 | assert(Tok.isObjCAtKeyword(tok::objc_finally) && "Lookahead confused?"); |
Steve Naroff | 64515f3 | 2008-02-05 21:27:35 +0000 | [diff] [blame] | 1309 | ConsumeToken(); // consume finally |
Ted Kremenek | aefc366 | 2008-09-26 00:31:16 +0000 | [diff] [blame] | 1310 | EnterScope(Scope::DeclScope); |
| 1311 | |
Chris Lattner | c1b3ba5 | 2008-02-14 19:27:54 +0000 | [diff] [blame] | 1312 | |
| 1313 | StmtResult FinallyBody(true); |
| 1314 | if (Tok.is(tok::l_brace)) |
| 1315 | FinallyBody = ParseCompoundStatementBody(); |
| 1316 | else |
| 1317 | Diag(Tok, diag::err_expected_lbrace); |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 1318 | if (FinallyBody.isInvalid) |
| 1319 | FinallyBody = Actions.ActOnNullStmt(Tok.getLocation()); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1320 | FinallyStmt = Actions.ActOnObjCAtFinallyStmt(AtCatchFinallyLoc, |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 1321 | FinallyBody.Val); |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1322 | FinallyGuard.reset(FinallyStmt); |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1323 | catch_or_finally_seen = true; |
Ted Kremenek | aefc366 | 2008-09-26 00:31:16 +0000 | [diff] [blame] | 1324 | ExitScope(); |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1325 | break; |
| 1326 | } |
| 1327 | } |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 1328 | if (!catch_or_finally_seen) { |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1329 | Diag(atLoc, diag::err_missing_catch_finally); |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 1330 | return true; |
| 1331 | } |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1332 | return Actions.ActOnObjCAtTryStmt(atLoc, TryGuard.take(), CatchGuard.take(), |
| 1333 | FinallyGuard.take()); |
Fariborz Jahanian | 397fcc1 | 2007-09-19 19:14:32 +0000 | [diff] [blame] | 1334 | } |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1335 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 1336 | /// objc-method-def: objc-method-proto ';'[opt] '{' body '}' |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1337 | /// |
Steve Naroff | 71c0a95 | 2007-11-13 23:01:27 +0000 | [diff] [blame] | 1338 | Parser::DeclTy *Parser::ParseObjCMethodDefinition() { |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1339 | DeclTy *MDecl = ParseObjCMethodPrototype(ObjCImpDecl); |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1340 | // parse optional ';' |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1341 | if (Tok.is(tok::semi)) |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1342 | ConsumeToken(); |
| 1343 | |
Steve Naroff | 409be83 | 2007-11-11 19:54:21 +0000 | [diff] [blame] | 1344 | // We should have an opening brace now. |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1345 | if (Tok.isNot(tok::l_brace)) { |
Steve Naroff | da323ad | 2008-02-29 21:48:07 +0000 | [diff] [blame] | 1346 | Diag(Tok, diag::err_expected_method_body); |
Steve Naroff | 409be83 | 2007-11-11 19:54:21 +0000 | [diff] [blame] | 1347 | |
| 1348 | // Skip over garbage, until we get to '{'. Don't eat the '{'. |
| 1349 | SkipUntil(tok::l_brace, true, true); |
| 1350 | |
| 1351 | // If we didn't find the '{', bail out. |
| 1352 | if (Tok.isNot(tok::l_brace)) |
Steve Naroff | 71c0a95 | 2007-11-13 23:01:27 +0000 | [diff] [blame] | 1353 | return 0; |
Fariborz Jahanian | ac00b7f | 2007-09-01 00:26:16 +0000 | [diff] [blame] | 1354 | } |
Steve Naroff | 409be83 | 2007-11-11 19:54:21 +0000 | [diff] [blame] | 1355 | SourceLocation BraceLoc = Tok.getLocation(); |
| 1356 | |
| 1357 | // Enter a scope for the method body. |
| 1358 | EnterScope(Scope::FnScope|Scope::DeclScope); |
| 1359 | |
| 1360 | // Tell the actions module that we have entered a method definition with the |
Steve Naroff | 394f3f4 | 2008-07-25 17:57:26 +0000 | [diff] [blame] | 1361 | // specified Declarator for the method. |
| 1362 | Actions.ObjCActOnStartOfMethodDef(CurScope, MDecl); |
Steve Naroff | 409be83 | 2007-11-11 19:54:21 +0000 | [diff] [blame] | 1363 | |
| 1364 | StmtResult FnBody = ParseCompoundStatementBody(); |
| 1365 | |
| 1366 | // If the function body could not be parsed, make a bogus compoundstmt. |
| 1367 | if (FnBody.isInvalid) |
| 1368 | FnBody = Actions.ActOnCompoundStmt(BraceLoc, BraceLoc, 0, 0, false); |
| 1369 | |
| 1370 | // Leave the function body scope. |
| 1371 | ExitScope(); |
| 1372 | |
| 1373 | // TODO: Pass argument information. |
Steve Naroff | 394f3f4 | 2008-07-25 17:57:26 +0000 | [diff] [blame] | 1374 | Actions.ActOnFinishFunctionBody(MDecl, FnBody.Val); |
Steve Naroff | 71c0a95 | 2007-11-13 23:01:27 +0000 | [diff] [blame] | 1375 | return MDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1376 | } |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1377 | |
Steve Naroff | 64515f3 | 2008-02-05 21:27:35 +0000 | [diff] [blame] | 1378 | Parser::StmtResult Parser::ParseObjCAtStatement(SourceLocation AtLoc) { |
| 1379 | if (Tok.isObjCAtKeyword(tok::objc_try)) { |
Chris Lattner | 6b88450 | 2008-03-10 06:06:04 +0000 | [diff] [blame] | 1380 | return ParseObjCTryStmt(AtLoc); |
Steve Naroff | 64515f3 | 2008-02-05 21:27:35 +0000 | [diff] [blame] | 1381 | } else if (Tok.isObjCAtKeyword(tok::objc_throw)) |
| 1382 | return ParseObjCThrowStmt(AtLoc); |
| 1383 | else if (Tok.isObjCAtKeyword(tok::objc_synchronized)) |
| 1384 | return ParseObjCSynchronizedStmt(AtLoc); |
| 1385 | ExprResult Res = ParseExpressionWithLeadingAt(AtLoc); |
| 1386 | if (Res.isInvalid) { |
| 1387 | // If the expression is invalid, skip ahead to the next semicolon. Not |
| 1388 | // doing this opens us up to the possibility of infinite loops if |
| 1389 | // ParseExpression does not consume any tokens. |
| 1390 | SkipUntil(tok::semi); |
| 1391 | return true; |
| 1392 | } |
| 1393 | // Otherwise, eat the semicolon. |
| 1394 | ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr); |
| 1395 | return Actions.ActOnExprStmt(Res.Val); |
| 1396 | } |
| 1397 | |
Steve Naroff | a642beb | 2007-10-15 20:55:58 +0000 | [diff] [blame] | 1398 | Parser::ExprResult Parser::ParseObjCAtExpression(SourceLocation AtLoc) { |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1399 | switch (Tok.getKind()) { |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 1400 | case tok::string_literal: // primary-expression: string-literal |
| 1401 | case tok::wide_string_literal: |
| 1402 | return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc)); |
| 1403 | default: |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1404 | if (Tok.getIdentifierInfo() == 0) |
| 1405 | return Diag(AtLoc, diag::err_unexpected_at); |
| 1406 | |
| 1407 | switch (Tok.getIdentifierInfo()->getObjCKeywordID()) { |
| 1408 | case tok::objc_encode: |
| 1409 | return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression(AtLoc)); |
| 1410 | case tok::objc_protocol: |
| 1411 | return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression(AtLoc)); |
| 1412 | case tok::objc_selector: |
| 1413 | return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression(AtLoc)); |
| 1414 | default: |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1415 | return Diag(AtLoc, diag::err_unexpected_at); |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1416 | } |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1417 | } |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1418 | } |
| 1419 | |
Fariborz Jahanian | 0ccb27d | 2007-09-05 19:52:07 +0000 | [diff] [blame] | 1420 | /// objc-message-expr: |
| 1421 | /// '[' objc-receiver objc-message-args ']' |
| 1422 | /// |
| 1423 | /// objc-receiver: |
| 1424 | /// expression |
| 1425 | /// class-name |
| 1426 | /// type-name |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1427 | Parser::ExprResult Parser::ParseObjCMessageExpression() { |
| 1428 | assert(Tok.is(tok::l_square) && "'[' expected"); |
| 1429 | SourceLocation LBracLoc = ConsumeBracket(); // consume '[' |
| 1430 | |
| 1431 | // Parse receiver |
Chris Lattner | 14dd98a | 2008-01-25 19:25:00 +0000 | [diff] [blame] | 1432 | if (isTokObjCMessageIdentifierReceiver()) { |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1433 | IdentifierInfo *ReceiverName = Tok.getIdentifierInfo(); |
Steve Naroff | 5cb93b8 | 2008-11-19 15:54:23 +0000 | [diff] [blame] | 1434 | SourceLocation NameLoc = ConsumeToken(); |
| 1435 | return ParseObjCMessageExpressionBody(LBracLoc, NameLoc, ReceiverName, 0); |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1436 | } |
| 1437 | |
Chris Lattner | 69d349a | 2008-09-19 17:44:00 +0000 | [diff] [blame] | 1438 | ExprResult Res = ParseExpression(); |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1439 | if (Res.isInvalid) { |
Chris Lattner | 5c74942 | 2008-01-25 19:43:26 +0000 | [diff] [blame] | 1440 | SkipUntil(tok::r_square); |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1441 | return Res; |
| 1442 | } |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1443 | |
Steve Naroff | 5cb93b8 | 2008-11-19 15:54:23 +0000 | [diff] [blame] | 1444 | return ParseObjCMessageExpressionBody(LBracLoc, SourceLocation(), 0, Res.Val); |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1445 | } |
| 1446 | |
| 1447 | /// ParseObjCMessageExpressionBody - Having parsed "'[' objc-receiver", parse |
| 1448 | /// the rest of a message expression. |
Fariborz Jahanian | 0ccb27d | 2007-09-05 19:52:07 +0000 | [diff] [blame] | 1449 | /// |
| 1450 | /// objc-message-args: |
| 1451 | /// objc-selector |
| 1452 | /// objc-keywordarg-list |
| 1453 | /// |
| 1454 | /// objc-keywordarg-list: |
| 1455 | /// objc-keywordarg |
| 1456 | /// objc-keywordarg-list objc-keywordarg |
| 1457 | /// |
| 1458 | /// objc-keywordarg: |
| 1459 | /// selector-name[opt] ':' objc-keywordexpr |
| 1460 | /// |
| 1461 | /// objc-keywordexpr: |
| 1462 | /// nonempty-expr-list |
| 1463 | /// |
| 1464 | /// nonempty-expr-list: |
| 1465 | /// assignment-expression |
| 1466 | /// nonempty-expr-list , assignment-expression |
| 1467 | /// |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1468 | Parser::ExprResult |
| 1469 | Parser::ParseObjCMessageExpressionBody(SourceLocation LBracLoc, |
Steve Naroff | 5cb93b8 | 2008-11-19 15:54:23 +0000 | [diff] [blame] | 1470 | SourceLocation NameLoc, |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1471 | IdentifierInfo *ReceiverName, |
| 1472 | ExprTy *ReceiverExpr) { |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1473 | // Parse objc-selector |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 1474 | SourceLocation Loc; |
| 1475 | IdentifierInfo *selIdent = ParseObjCSelector(Loc); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1476 | |
| 1477 | llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1478 | ExprVector KeyExprs(Actions); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1479 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1480 | if (Tok.is(tok::colon)) { |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1481 | while (1) { |
| 1482 | // Each iteration parses a single keyword argument. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1483 | KeyIdents.push_back(selIdent); |
Steve Naroff | 37387c9 | 2007-09-17 20:25:27 +0000 | [diff] [blame] | 1484 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1485 | if (Tok.isNot(tok::colon)) { |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1486 | Diag(Tok, diag::err_expected_colon); |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1487 | // We must manually skip to a ']', otherwise the expression skipper will |
| 1488 | // stop at the ']' when it skips to the ';'. We want it to skip beyond |
| 1489 | // the enclosing expression. |
| 1490 | SkipUntil(tok::r_square); |
Steve Naroff | 37387c9 | 2007-09-17 20:25:27 +0000 | [diff] [blame] | 1491 | return true; |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1492 | } |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1493 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1494 | ConsumeToken(); // Eat the ':'. |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1495 | /// Parse the expression after ':' |
Steve Naroff | 37387c9 | 2007-09-17 20:25:27 +0000 | [diff] [blame] | 1496 | ExprResult Res = ParseAssignmentExpression(); |
| 1497 | if (Res.isInvalid) { |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1498 | // We must manually skip to a ']', otherwise the expression skipper will |
| 1499 | // stop at the ']' when it skips to the ';'. We want it to skip beyond |
| 1500 | // the enclosing expression. |
| 1501 | SkipUntil(tok::r_square); |
Steve Naroff | 37387c9 | 2007-09-17 20:25:27 +0000 | [diff] [blame] | 1502 | return Res; |
| 1503 | } |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1504 | |
Steve Naroff | 37387c9 | 2007-09-17 20:25:27 +0000 | [diff] [blame] | 1505 | // We have a valid expression. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1506 | KeyExprs.push_back(Res.Val); |
Steve Naroff | 37387c9 | 2007-09-17 20:25:27 +0000 | [diff] [blame] | 1507 | |
| 1508 | // Check for another keyword selector. |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 1509 | selIdent = ParseObjCSelector(Loc); |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1510 | if (!selIdent && Tok.isNot(tok::colon)) |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1511 | break; |
| 1512 | // We have a selector or a colon, continue parsing. |
| 1513 | } |
| 1514 | // Parse the, optional, argument list, comma separated. |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1515 | while (Tok.is(tok::comma)) { |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1516 | ConsumeToken(); // Eat the ','. |
| 1517 | /// Parse the expression after ',' |
| 1518 | ExprResult Res = ParseAssignmentExpression(); |
| 1519 | if (Res.isInvalid) { |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1520 | // We must manually skip to a ']', otherwise the expression skipper will |
| 1521 | // stop at the ']' when it skips to the ';'. We want it to skip beyond |
| 1522 | // the enclosing expression. |
| 1523 | SkipUntil(tok::r_square); |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1524 | return Res; |
| 1525 | } |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1526 | |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1527 | // We have a valid expression. |
| 1528 | KeyExprs.push_back(Res.Val); |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1529 | } |
| 1530 | } else if (!selIdent) { |
| 1531 | Diag(Tok, diag::err_expected_ident); // missing selector name. |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1532 | |
| 1533 | // We must manually skip to a ']', otherwise the expression skipper will |
| 1534 | // stop at the ']' when it skips to the ';'. We want it to skip beyond |
| 1535 | // the enclosing expression. |
| 1536 | SkipUntil(tok::r_square); |
Fariborz Jahanian | 0ba0aa1 | 2008-01-02 18:09:46 +0000 | [diff] [blame] | 1537 | return true; |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1538 | } |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 1539 | |
Chris Lattner | df19526 | 2007-10-09 17:51:17 +0000 | [diff] [blame] | 1540 | if (Tok.isNot(tok::r_square)) { |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1541 | Diag(Tok, diag::err_expected_rsquare); |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1542 | // We must manually skip to a ']', otherwise the expression skipper will |
| 1543 | // stop at the ']' when it skips to the ';'. We want it to skip beyond |
| 1544 | // the enclosing expression. |
| 1545 | SkipUntil(tok::r_square); |
Fariborz Jahanian | 0ba0aa1 | 2008-01-02 18:09:46 +0000 | [diff] [blame] | 1546 | return true; |
Fariborz Jahanian | a65ff6c | 2007-09-05 23:08:20 +0000 | [diff] [blame] | 1547 | } |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1548 | |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1549 | SourceLocation RBracLoc = ConsumeBracket(); // consume ']' |
Steve Naroff | 37387c9 | 2007-09-17 20:25:27 +0000 | [diff] [blame] | 1550 | |
Steve Naroff | 29238a0 | 2007-10-05 18:42:47 +0000 | [diff] [blame] | 1551 | unsigned nKeys = KeyIdents.size(); |
Chris Lattner | ff38491 | 2007-10-07 02:00:24 +0000 | [diff] [blame] | 1552 | if (nKeys == 0) |
| 1553 | KeyIdents.push_back(selIdent); |
| 1554 | Selector Sel = PP.getSelectorTable().getSelector(nKeys, &KeyIdents[0]); |
| 1555 | |
| 1556 | // We've just parsed a keyword message. |
Steve Naroff | 37387c9 | 2007-09-17 20:25:27 +0000 | [diff] [blame] | 1557 | if (ReceiverName) |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 1558 | return Actions.ActOnClassMessage(CurScope, |
Steve Naroff | 5cb93b8 | 2008-11-19 15:54:23 +0000 | [diff] [blame] | 1559 | ReceiverName, Sel, |
| 1560 | LBracLoc, NameLoc, RBracLoc, |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1561 | KeyExprs.take(), KeyExprs.size()); |
Chris Lattner | 699b661 | 2008-01-25 18:59:06 +0000 | [diff] [blame] | 1562 | return Actions.ActOnInstanceMessage(ReceiverExpr, Sel, LBracLoc, RBracLoc, |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1563 | KeyExprs.take(), KeyExprs.size()); |
Fariborz Jahanian | 0ccb27d | 2007-09-05 19:52:07 +0000 | [diff] [blame] | 1564 | } |
| 1565 | |
Steve Naroff | beaf299 | 2007-11-03 11:27:19 +0000 | [diff] [blame] | 1566 | Parser::ExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) { |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1567 | ExprResult Res = ParseStringLiteralExpression(); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1568 | if (Res.isInvalid) return Res; |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 1569 | |
| 1570 | // @"foo" @"bar" is a valid concatenated string. Eat any subsequent string |
| 1571 | // expressions. At this point, we know that the only valid thing that starts |
| 1572 | // with '@' is an @"". |
| 1573 | llvm::SmallVector<SourceLocation, 4> AtLocs; |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1574 | ExprVector AtStrings(Actions); |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 1575 | AtLocs.push_back(AtLoc); |
| 1576 | AtStrings.push_back(Res.Val); |
| 1577 | |
| 1578 | while (Tok.is(tok::at)) { |
| 1579 | AtLocs.push_back(ConsumeToken()); // eat the @. |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1580 | |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1581 | ExprResult Lit(true); // Invalid unless there is a string literal. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 1582 | if (isTokenStringLiteral()) |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1583 | Lit = ParseStringLiteralExpression(); |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 1584 | else |
| 1585 | Diag(Tok, diag::err_objc_concat_string); |
| 1586 | |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1587 | if (Lit.isInvalid) |
| 1588 | return Lit; |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 1589 | |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1590 | AtStrings.push_back(Lit.Val); |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 1591 | } |
Fariborz Jahanian | 79a99f2 | 2007-12-12 23:55:49 +0000 | [diff] [blame] | 1592 | |
Sebastian Redl | a55e52c | 2008-11-25 22:21:31 +0000 | [diff] [blame^] | 1593 | return Actions.ParseObjCStringLiteral(&AtLocs[0], AtStrings.take(), |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 1594 | AtStrings.size()); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1595 | } |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 1596 | |
| 1597 | /// objc-encode-expression: |
| 1598 | /// @encode ( type-name ) |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 1599 | Parser::ExprResult Parser::ParseObjCEncodeExpression(SourceLocation AtLoc) { |
Steve Naroff | 861cf3e | 2007-08-23 18:16:40 +0000 | [diff] [blame] | 1600 | assert(Tok.isObjCAtKeyword(tok::objc_encode) && "Not an @encode expression!"); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 1601 | |
| 1602 | SourceLocation EncLoc = ConsumeToken(); |
| 1603 | |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1604 | if (Tok.isNot(tok::l_paren)) |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1605 | return Diag(Tok, diag::err_expected_lparen_after) << "@encode"; |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 1606 | |
| 1607 | SourceLocation LParenLoc = ConsumeParen(); |
| 1608 | |
| 1609 | TypeTy *Ty = ParseTypeName(); |
| 1610 | |
Anders Carlsson | 4988ae3 | 2007-08-23 15:31:37 +0000 | [diff] [blame] | 1611 | SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 1612 | |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 1613 | return Actions.ParseObjCEncodeExpression(AtLoc, EncLoc, LParenLoc, Ty, |
Anders Carlsson | 4988ae3 | 2007-08-23 15:31:37 +0000 | [diff] [blame] | 1614 | RParenLoc); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 1615 | } |
Anders Carlsson | 29b2cb1 | 2007-08-23 15:25:28 +0000 | [diff] [blame] | 1616 | |
| 1617 | /// objc-protocol-expression |
| 1618 | /// @protocol ( protocol-name ) |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1619 | Parser::ExprResult Parser::ParseObjCProtocolExpression(SourceLocation AtLoc) { |
Anders Carlsson | 29b2cb1 | 2007-08-23 15:25:28 +0000 | [diff] [blame] | 1620 | SourceLocation ProtoLoc = ConsumeToken(); |
| 1621 | |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1622 | if (Tok.isNot(tok::l_paren)) |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1623 | return Diag(Tok, diag::err_expected_lparen_after) << "@protocol"; |
Anders Carlsson | 29b2cb1 | 2007-08-23 15:25:28 +0000 | [diff] [blame] | 1624 | |
| 1625 | SourceLocation LParenLoc = ConsumeParen(); |
| 1626 | |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1627 | if (Tok.isNot(tok::identifier)) |
| 1628 | return Diag(Tok, diag::err_expected_ident); |
| 1629 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 1630 | IdentifierInfo *protocolId = Tok.getIdentifierInfo(); |
Anders Carlsson | 29b2cb1 | 2007-08-23 15:25:28 +0000 | [diff] [blame] | 1631 | ConsumeToken(); |
| 1632 | |
Anders Carlsson | 4988ae3 | 2007-08-23 15:31:37 +0000 | [diff] [blame] | 1633 | SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); |
Anders Carlsson | 29b2cb1 | 2007-08-23 15:25:28 +0000 | [diff] [blame] | 1634 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 1635 | return Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc, |
| 1636 | LParenLoc, RParenLoc); |
Anders Carlsson | 29b2cb1 | 2007-08-23 15:25:28 +0000 | [diff] [blame] | 1637 | } |
Fariborz Jahanian | a0818e3 | 2007-10-15 23:39:13 +0000 | [diff] [blame] | 1638 | |
| 1639 | /// objc-selector-expression |
| 1640 | /// @selector '(' objc-keyword-selector ')' |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1641 | Parser::ExprResult Parser::ParseObjCSelectorExpression(SourceLocation AtLoc) { |
Fariborz Jahanian | a0818e3 | 2007-10-15 23:39:13 +0000 | [diff] [blame] | 1642 | SourceLocation SelectorLoc = ConsumeToken(); |
| 1643 | |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1644 | if (Tok.isNot(tok::l_paren)) |
Chris Lattner | 1ab3b96 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1645 | return Diag(Tok, diag::err_expected_lparen_after) << "@selector"; |
Fariborz Jahanian | a0818e3 | 2007-10-15 23:39:13 +0000 | [diff] [blame] | 1646 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 1647 | llvm::SmallVector<IdentifierInfo *, 12> KeyIdents; |
Fariborz Jahanian | a0818e3 | 2007-10-15 23:39:13 +0000 | [diff] [blame] | 1648 | SourceLocation LParenLoc = ConsumeParen(); |
| 1649 | SourceLocation sLoc; |
| 1650 | IdentifierInfo *SelIdent = ParseObjCSelector(sLoc); |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1651 | if (!SelIdent && Tok.isNot(tok::colon)) |
| 1652 | return Diag(Tok, diag::err_expected_ident); // missing selector name. |
| 1653 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 1654 | KeyIdents.push_back(SelIdent); |
Steve Naroff | 887407e | 2007-12-05 22:21:29 +0000 | [diff] [blame] | 1655 | unsigned nColons = 0; |
| 1656 | if (Tok.isNot(tok::r_paren)) { |
Fariborz Jahanian | a0818e3 | 2007-10-15 23:39:13 +0000 | [diff] [blame] | 1657 | while (1) { |
Chris Lattner | 4fef81d | 2008-08-05 06:19:09 +0000 | [diff] [blame] | 1658 | if (Tok.isNot(tok::colon)) |
| 1659 | return Diag(Tok, diag::err_expected_colon); |
| 1660 | |
Chris Lattner | cb53b36 | 2007-12-27 19:57:00 +0000 | [diff] [blame] | 1661 | nColons++; |
Fariborz Jahanian | a0818e3 | 2007-10-15 23:39:13 +0000 | [diff] [blame] | 1662 | ConsumeToken(); // Eat the ':'. |
| 1663 | if (Tok.is(tok::r_paren)) |
| 1664 | break; |
| 1665 | // Check for another keyword selector. |
| 1666 | SourceLocation Loc; |
| 1667 | SelIdent = ParseObjCSelector(Loc); |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 1668 | KeyIdents.push_back(SelIdent); |
Fariborz Jahanian | a0818e3 | 2007-10-15 23:39:13 +0000 | [diff] [blame] | 1669 | if (!SelIdent && Tok.isNot(tok::colon)) |
| 1670 | break; |
| 1671 | } |
Steve Naroff | 887407e | 2007-12-05 22:21:29 +0000 | [diff] [blame] | 1672 | } |
Fariborz Jahanian | a0818e3 | 2007-10-15 23:39:13 +0000 | [diff] [blame] | 1673 | SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); |
Steve Naroff | 887407e | 2007-12-05 22:21:29 +0000 | [diff] [blame] | 1674 | Selector Sel = PP.getSelectorTable().getSelector(nColons, &KeyIdents[0]); |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 1675 | return Actions.ParseObjCSelectorExpression(Sel, AtLoc, SelectorLoc, LParenLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 1676 | RParenLoc); |
Gabor Greif | 58065b2 | 2007-10-19 15:38:32 +0000 | [diff] [blame] | 1677 | } |