Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1 | //===--- Sema.h - Semantic Analysis & AST Building --------------*- C++ -*-===// |
| 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 defines the Sema class, which performs semantic analysis and |
| 11 | // builds ASTs. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #ifndef LLVM_CLANG_AST_SEMA_H |
| 16 | #define LLVM_CLANG_AST_SEMA_H |
| 17 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 18 | #include "IdentifierResolver.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 19 | #include "clang/Parse/Action.h" |
Steve Naroff | 6649992 | 2007-11-12 03:44:46 +0000 | [diff] [blame] | 20 | #include "clang/Parse/DeclSpec.h" |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 21 | #include "llvm/ADT/SmallVector.h" |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 22 | #include "llvm/ADT/DenseSet.h" |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 23 | #include "llvm/ADT/SmallPtrSet.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 24 | #include <vector> |
| 25 | #include <string> |
| 26 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 27 | namespace llvm { |
| 28 | class APSInt; |
| 29 | } |
| 30 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 31 | namespace clang { |
| 32 | class ASTContext; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 33 | class ASTConsumer; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 34 | class Preprocessor; |
| 35 | class Decl; |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 36 | class DeclContext; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 37 | class NamedDecl; |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 38 | class ScopedDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 39 | class Expr; |
Steve Naroff | 6f9f307 | 2007-09-02 15:34:30 +0000 | [diff] [blame] | 40 | class InitListExpr; |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 41 | class CallExpr; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 42 | class VarDecl; |
| 43 | class ParmVarDecl; |
| 44 | class TypedefDecl; |
| 45 | class FunctionDecl; |
| 46 | class QualType; |
Chris Lattner | 701e5eb | 2007-09-04 02:45:27 +0000 | [diff] [blame] | 47 | struct LangOptions; |
Chris Lattner | d217773 | 2007-07-20 16:59:19 +0000 | [diff] [blame] | 48 | class Token; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 49 | class IntegerLiteral; |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 50 | class StringLiteral; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 51 | class ArrayType; |
| 52 | class LabelStmt; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 53 | class SwitchStmt; |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 54 | class ExtVectorType; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 55 | class TypedefDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 56 | class ObjCInterfaceDecl; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 57 | class ObjCCompatibleAliasDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 58 | class ObjCProtocolDecl; |
| 59 | class ObjCImplementationDecl; |
| 60 | class ObjCCategoryImplDecl; |
| 61 | class ObjCCategoryDecl; |
| 62 | class ObjCIvarDecl; |
| 63 | class ObjCMethodDecl; |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 64 | class ObjCPropertyDecl; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 65 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 66 | /// Sema - This implements semantic analysis and AST building for C. |
| 67 | class Sema : public Action { |
| 68 | Preprocessor &PP; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 69 | ASTContext &Context; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 70 | ASTConsumer &Consumer; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 71 | |
| 72 | /// CurFunctionDecl - If inside of a function body, this contains a pointer to |
| 73 | /// the function decl for the function being parsed. |
| 74 | FunctionDecl *CurFunctionDecl; |
Steve Naroff | 0330071 | 2007-11-12 13:56:41 +0000 | [diff] [blame] | 75 | |
| 76 | /// CurMethodDecl - If inside of a method body, this contains a pointer to |
| 77 | /// the method decl for the method being parsed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 78 | ObjCMethodDecl *CurMethodDecl; |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 79 | |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 80 | DeclContext *CurContext; |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 81 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 82 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 83 | /// it (which acts like the label decl in some ways). Forward referenced |
| 84 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 85 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 86 | |
| 87 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 88 | |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 89 | /// ExtVectorDecls - This is a list all the extended vector types. This allows |
| 90 | /// us to associate a raw vector type with one of the ext_vector type names. |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 91 | /// This is only necessary for issuing pretty diagnostics. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 92 | llvm::SmallVector<TypedefDecl*, 24> ExtVectorDecls; |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 93 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 94 | /// ObjCImplementations - Keep track of all of the classes with |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 95 | /// @implementation's, so that we can emit errors on duplicates. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 96 | llvm::DenseMap<IdentifierInfo*, ObjCImplementationDecl*> ObjCImplementations; |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 97 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 98 | /// ObjCProtocols - Keep track of all protocol declarations declared |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 99 | /// with @protocol keyword, so that we can emit errors on duplicates and |
Chris Lattner | 4de884d | 2007-10-09 18:18:24 +0000 | [diff] [blame] | 100 | /// find the declarations when needed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 101 | llvm::DenseMap<IdentifierInfo*, ObjCProtocolDecl*> ObjCProtocols; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 102 | |
| 103 | /// ObjCInterfaceDecls - Keep track of all class declarations declared |
| 104 | /// with @interface, so that we can emit errors on duplicates and |
| 105 | /// find the declarations when needed. |
| 106 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 107 | ObjCInterfaceDecl*> ObjCInterfaceDeclsTy; |
| 108 | ObjCInterfaceDeclsTy ObjCInterfaceDecls; |
| 109 | |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 110 | /// ObjCAliasDecls - Keep track of all class declarations declared |
| 111 | /// with @compatibility_alias, so that we can emit errors on duplicates and |
| 112 | /// find the declarations when needed. This construct is ancient and will |
| 113 | /// likely never be seen. Nevertheless, it is here for compatibility. |
Steve Naroff | c822ff4 | 2008-04-02 00:39:51 +0000 | [diff] [blame] | 114 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 115 | ObjCCompatibleAliasDecl*> ObjCAliasTy; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 116 | ObjCAliasTy ObjCAliasDecls; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 117 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 118 | IdentifierResolver IdResolver; |
| 119 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 120 | // Enum values used by KnownFunctionIDs (see below). |
| 121 | enum { |
| 122 | id_printf, |
| 123 | id_fprintf, |
| 124 | id_sprintf, |
| 125 | id_snprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 126 | id_asprintf, |
Ted Kremenek | e0eb80a | 2007-08-10 21:13:51 +0000 | [diff] [blame] | 127 | id_vsnprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 128 | id_vasprintf, |
| 129 | id_vfprintf, |
| 130 | id_vsprintf, |
| 131 | id_vprintf, |
| 132 | id_num_known_functions |
| 133 | }; |
| 134 | |
| 135 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 136 | /// of known functions used by the semantic analysis to do various |
| 137 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 138 | /// This list is populated upon the creation of a Sema object. |
| 139 | IdentifierInfo* KnownFunctionIDs[ id_num_known_functions ]; |
| 140 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 141 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 142 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 143 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 144 | Scope *TUScope; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 145 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 146 | /// ObjCMethodList - a linked list of methods with different signatures. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 147 | struct ObjCMethodList { |
| 148 | ObjCMethodDecl *Method; |
| 149 | ObjCMethodList *Next; |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 150 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 151 | ObjCMethodList() { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 152 | Method = 0; |
| 153 | Next = 0; |
| 154 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 155 | ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 156 | Method = M; |
| 157 | Next = C; |
| 158 | } |
| 159 | }; |
| 160 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 161 | /// messages to "id". We need to maintain a list, since selectors can have |
| 162 | /// differing signatures across classes. In Cocoa, this happens to be |
| 163 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 164 | llvm::DenseMap<Selector, ObjCMethodList> InstanceMethodPool; |
| 165 | llvm::DenseMap<Selector, ObjCMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 166 | public: |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 167 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 168 | |
| 169 | const LangOptions &getLangOptions() const; |
| 170 | |
| 171 | /// The primitive diagnostic helpers - always returns true, which simplifies |
| 172 | /// error handling (i.e. less code). |
| 173 | bool Diag(SourceLocation Loc, unsigned DiagID); |
| 174 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg); |
| 175 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 176 | const std::string &Msg2); |
| 177 | |
| 178 | /// More expressive diagnostic helpers for expressions (say that 6 times:-) |
| 179 | bool Diag(SourceLocation Loc, unsigned DiagID, SourceRange R1); |
| 180 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 181 | SourceRange R1, SourceRange R2); |
| 182 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 183 | SourceRange R1); |
| 184 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 185 | SourceRange R1, SourceRange R2); |
| 186 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 187 | const std::string &Msg2, SourceRange R1); |
Chris Lattner | 4667ac3 | 2008-01-03 23:38:43 +0000 | [diff] [blame] | 188 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 189 | const std::string &Msg2, const std::string &Msg3, SourceRange R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 190 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 191 | const std::string &Msg1, const std::string &Msg2, |
| 192 | SourceRange R1, SourceRange R2); |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 193 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 194 | virtual void DeleteExpr(ExprTy *E); |
| 195 | virtual void DeleteStmt(StmtTy *S); |
| 196 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 197 | //===--------------------------------------------------------------------===// |
| 198 | // Type Analysis / Processing: SemaType.cpp. |
| 199 | // |
Chris Lattner | fab5b45 | 2008-02-20 23:53:49 +0000 | [diff] [blame] | 200 | QualType ConvertDeclSpecToType(DeclSpec &DS); |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 201 | AttributeList *ProcessTypeAttributes(QualType &Result, AttributeList *AL); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 202 | QualType GetTypeForDeclarator(Declarator &D, Scope *S); |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 203 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 204 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 205 | QualType ObjCGetTypeForMethodDefinition(DeclTy *D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 206 | |
| 207 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 208 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 209 | private: |
| 210 | //===--------------------------------------------------------------------===// |
| 211 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 212 | // |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 213 | virtual DeclTy *isTypeName(const IdentifierInfo &II, Scope *S); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 214 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 215 | virtual DeclTy *ActOnParamDeclarator(Scope *S, Declarator &D); |
| 216 | virtual void ActOnParamDefaultArgument(DeclTy *param, |
| 217 | SourceLocation EqualLoc, |
| 218 | ExprTy *defarg); |
Steve Naroff | bb20469 | 2007-09-12 14:07:44 +0000 | [diff] [blame] | 219 | void AddInitializerToDecl(DeclTy *dcl, ExprTy *init); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 220 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 221 | |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 222 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 223 | virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D); |
Steve Naroff | d6d054d | 2007-11-11 23:20:51 +0000 | [diff] [blame] | 224 | |
| 225 | virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtTy *Body); |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame] | 226 | virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace, |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 227 | SourceLocation RBrace, const char *Lang, |
| 228 | unsigned StrSize, DeclTy *D); |
Anders Carlsson | dfab6cb | 2008-02-08 00:33:21 +0000 | [diff] [blame] | 229 | virtual DeclTy *ActOnFileScopeAsmDecl(SourceLocation Loc, ExprTy *expr); |
| 230 | |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 231 | /// Scope actions. |
| 232 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 233 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 234 | |
| 235 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 236 | /// no declarator (e.g. "struct foo;") is parsed. |
| 237 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| 238 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 239 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 240 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 241 | SourceLocation NameLoc, AttributeList *Attr); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 242 | virtual DeclTy *ActOnField(Scope *S, SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 243 | Declarator &D, ExprTy *BitfieldWidth); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 244 | |
| 245 | virtual DeclTy *ActOnIvar(Scope *S, SourceLocation DeclStart, |
| 246 | Declarator &D, ExprTy *BitfieldWidth, |
Fariborz Jahanian | 45bc03f | 2008-04-11 16:55:42 +0000 | [diff] [blame] | 247 | tok::ObjCKeywordKind visibility); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 248 | |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 249 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 250 | virtual void ActOnFields(Scope* S, |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 251 | SourceLocation RecLoc, DeclTy *TagDecl, |
| 252 | DeclTy **Fields, unsigned NumFields, |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 253 | SourceLocation LBrac, SourceLocation RBrac); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 254 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 255 | DeclTy *LastEnumConstant, |
| 256 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 257 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 258 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 259 | DeclTy **Elements, unsigned NumElements); |
| 260 | private: |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 261 | /// Set the current declaration context until it gets popped. |
Chris Lattner | 9fdf9c6 | 2008-04-22 18:39:57 +0000 | [diff] [blame] | 262 | void PushDeclContext(DeclContext *DC); |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 263 | void PopDeclContext(); |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 264 | |
Argyrios Kyrtzidis | 87f3ff0 | 2008-04-12 00:47:19 +0000 | [diff] [blame] | 265 | /// Add this decl to the scope shadowed decl chains. |
| 266 | void PushOnScopeChains(NamedDecl *D, Scope *S); |
| 267 | |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 268 | /// Subroutines of ActOnDeclarator(). |
Chris Lattner | 41af093 | 2007-11-14 06:34:38 +0000 | [diff] [blame] | 269 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| 270 | ScopedDecl *LastDecl); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 271 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, Decl *Old); |
Douglas Gregor | f009795 | 2008-04-21 02:02:58 +0000 | [diff] [blame] | 272 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, Decl *Old, |
| 273 | bool &Redeclaration); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 274 | VarDecl *MergeVarDecl(VarDecl *New, Decl *Old); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 275 | FunctionDecl *MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
| 276 | |
| 277 | /// Helpers for dealing with function parameters |
| 278 | bool CheckParmsForFunctionDef(FunctionDecl *FD); |
| 279 | ParmVarDecl *CreateImplicitParameter(Scope *S, IdentifierInfo *Id, |
| 280 | SourceLocation IdLoc, QualType Type); |
| 281 | void CheckCXXDefaultArguments(FunctionDecl *FD); |
Douglas Gregor | 6d6eb57 | 2008-05-07 04:49:29 +0000 | [diff] [blame] | 282 | void CheckExtraCXXDefaultArguments(Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 283 | |
| 284 | /// More parsing and symbol table subroutines... |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 285 | Decl *LookupDecl(const IdentifierInfo *II, unsigned NSI, Scope *S, |
| 286 | bool enableLazyBuiltinCreation = true); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 287 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 288 | ScopedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
| 289 | Scope *S); |
Steve Naroff | 8c9f13e | 2007-09-16 16:16:00 +0000 | [diff] [blame] | 290 | ScopedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 291 | Scope *S); |
| 292 | // Decl attributes - this routine is the top level dispatcher. |
| 293 | void HandleDeclAttributes(Decl *New, AttributeList *declspec_prefix, |
| 294 | AttributeList *declarator_postfix); |
| 295 | void HandleDeclAttribute(Decl *New, AttributeList *rawAttr); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 296 | |
| 297 | /// HandleAddressSpaceTypeAttribute - this attribute is only applicable to |
| 298 | /// objects without automatic storage duration. |
| 299 | /// The raw attribute contains 1 argument, the id of the address space |
| 300 | /// for the type. |
| 301 | QualType HandleAddressSpaceTypeAttribute(QualType curType, |
| 302 | AttributeList *rawAttr); |
| 303 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 304 | // HandleVectorTypeAttribute - this attribute is only applicable to |
| 305 | // integral and float scalars, although arrays, pointers, and function |
| 306 | // return values are allowed in conjunction with this construct. Aggregates |
| 307 | // with this attribute are invalid, even if they are of the same size as a |
| 308 | // corresponding scalar. |
| 309 | // The raw attribute should contain precisely 1 argument, the vector size |
| 310 | // for the variable, measured in bytes. If curType and rawAttr are well |
| 311 | // formed, this routine will return a new vector type. |
| 312 | QualType HandleVectorTypeAttribute(QualType curType, AttributeList *rawAttr); |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 313 | void HandleExtVectorTypeAttribute(TypedefDecl *d, AttributeList *rawAttr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 314 | |
Anders Carlsson | 78aaae9 | 2007-12-19 07:19:40 +0000 | [diff] [blame] | 315 | void HandleAlignedAttribute(Decl *d, AttributeList *rawAttr); |
Anders Carlsson | ad14806 | 2008-02-16 00:29:18 +0000 | [diff] [blame] | 316 | void HandlePackedAttribute(Decl *d, AttributeList *rawAttr); |
Nate Begeman | c398f0b | 2008-02-21 19:30:49 +0000 | [diff] [blame] | 317 | void HandleAnnotateAttribute(Decl *d, AttributeList *rawAttr); |
Ted Kremenek | aecb383 | 2008-02-27 20:43:06 +0000 | [diff] [blame] | 318 | void HandleNoReturnAttribute(Decl *d, AttributeList *rawAttr); |
Chris Lattner | ddee423 | 2008-03-03 03:28:21 +0000 | [diff] [blame] | 319 | void HandleDeprecatedAttribute(Decl *d, AttributeList *rawAttr); |
| 320 | void HandleWeakAttribute(Decl *d, AttributeList *rawAttr); |
| 321 | void HandleDLLImportAttribute(Decl *d, AttributeList *rawAttr); |
| 322 | void HandleDLLExportAttribute(Decl *d, AttributeList *rawAttr); |
| 323 | void HandleVisibilityAttribute(Decl *d, AttributeList *rawAttr); |
| 324 | void HandleNothrowAttribute(Decl *d, AttributeList *rawAttr); |
| 325 | void HandleFormatAttribute(Decl *d, AttributeList *rawAttr); |
Nate Begeman | 440b456 | 2008-03-07 20:04:22 +0000 | [diff] [blame] | 326 | void HandleStdCallAttribute(Decl *d, AttributeList *rawAttr); |
| 327 | void HandleFastCallAttribute(Decl *d, AttributeList *rawAttr); |
Nuno Lopes | 27ae6c6 | 2008-04-25 09:32:00 +0000 | [diff] [blame] | 328 | void HandleTransparentUnionAttribute(Decl *d, AttributeList *rawAttr); |
Anders Carlsson | ad14806 | 2008-02-16 00:29:18 +0000 | [diff] [blame] | 329 | |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 330 | void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| 331 | bool &IncompleteImpl); |
| 332 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 333 | /// CheckProtocolMethodDefs - This routine checks unimpletented methods |
| 334 | /// Declared in protocol, and those referenced by it. |
Steve Naroff | efe7f36 | 2008-02-08 22:06:17 +0000 | [diff] [blame] | 335 | void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| 336 | ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 337 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 338 | const llvm::DenseSet<Selector> &InsMap, |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 339 | const llvm::DenseSet<Selector> &ClsMap); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 340 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 341 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 342 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 343 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 344 | ObjCIvarDecl **Fields, unsigned nIvars, |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 345 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 346 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 347 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 348 | /// remains unimplemented in the @implementation class. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 349 | void ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl, |
| 350 | ObjCInterfaceDecl* IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 351 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 352 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 353 | /// category interface is implemented in the category @implementation. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 354 | void ImplCategoryMethodsVsIntfMethods(ObjCCategoryImplDecl *CatImplDecl, |
| 355 | ObjCCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 356 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 357 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 358 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
| 359 | const ObjCMethodDecl *PrevMethod); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 360 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 361 | /// isBuiltinObjCType - Returns true of the type is "id", "SEL", "Class" |
Fariborz Jahanian | 66c5dfc | 2007-12-07 00:18:54 +0000 | [diff] [blame] | 362 | /// or "Protocol". |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 363 | bool isBuiltinObjCType(TypedefDecl *TD); |
Fariborz Jahanian | 1f990d6 | 2008-01-04 00:27:46 +0000 | [diff] [blame] | 364 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 365 | /// isObjCObjectPointerType - Returns true if type is an objective-c pointer |
Fariborz Jahanian | 1f990d6 | 2008-01-04 00:27:46 +0000 | [diff] [blame] | 366 | /// to an object type; such as "id", "Class", Intf*, id<P>, etc. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 367 | bool isObjCObjectPointerType(QualType type) const; |
Anders Carlsson | 8baaca5 | 2007-10-31 02:53:19 +0000 | [diff] [blame] | 368 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 369 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 370 | /// unit are added to a global pool. This allows us to efficiently associate |
| 371 | /// a selector with a method declaraation for purposes of typechecking |
| 372 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 373 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 374 | |
| 375 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 376 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 377 | //===--------------------------------------------------------------------===// |
| 378 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 379 | public: |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 380 | virtual StmtResult ActOnExprStmt(ExprTy *Expr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 381 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 382 | virtual StmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 383 | virtual StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
Chris Lattner | 98414c1 | 2007-08-31 21:49:55 +0000 | [diff] [blame] | 384 | StmtTy **Elts, unsigned NumElts, |
| 385 | bool isStmtExpr); |
Chris Lattner | 81c018d | 2008-03-13 06:29:04 +0000 | [diff] [blame] | 386 | virtual StmtResult ActOnDeclStmt(DeclTy *Decl, SourceLocation StartLoc, |
| 387 | SourceLocation EndLoc); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 388 | virtual StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprTy *LHSVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 389 | SourceLocation DotDotDotLoc, ExprTy *RHSVal, |
| 390 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 391 | virtual StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
Chris Lattner | 6c36be5 | 2007-07-18 02:28:47 +0000 | [diff] [blame] | 392 | SourceLocation ColonLoc, StmtTy *SubStmt, |
| 393 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 394 | virtual StmtResult ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 395 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 396 | virtual StmtResult ActOnIfStmt(SourceLocation IfLoc, ExprTy *CondVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 397 | StmtTy *ThenVal, SourceLocation ElseLoc, |
| 398 | StmtTy *ElseVal); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 399 | virtual StmtResult ActOnStartOfSwitchStmt(ExprTy *Cond); |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 400 | virtual StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 401 | StmtTy *Switch, ExprTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 402 | virtual StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprTy *Cond, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 403 | StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 404 | virtual StmtResult ActOnDoStmt(SourceLocation DoLoc, StmtTy *Body, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 405 | SourceLocation WhileLoc, ExprTy *Cond); |
| 406 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 407 | virtual StmtResult ActOnForStmt(SourceLocation ForLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 408 | SourceLocation LParenLoc, |
| 409 | StmtTy *First, ExprTy *Second, ExprTy *Third, |
| 410 | SourceLocation RParenLoc, StmtTy *Body); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 411 | virtual StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
Fariborz Jahanian | 3ba5a0f | 2008-01-03 17:55:25 +0000 | [diff] [blame] | 412 | SourceLocation LParenLoc, |
| 413 | StmtTy *First, ExprTy *Second, |
| 414 | SourceLocation RParenLoc, StmtTy *Body); |
| 415 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 416 | virtual StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 417 | SourceLocation LabelLoc, |
| 418 | IdentifierInfo *LabelII); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 419 | virtual StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 420 | SourceLocation StarLoc, |
| 421 | ExprTy *DestExp); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 422 | virtual StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 423 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 424 | virtual StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 425 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 426 | virtual StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 427 | ExprTy *RetValExp); |
| 428 | |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 429 | virtual StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
Anders Carlsson | dfab34a | 2008-02-05 23:03:50 +0000 | [diff] [blame] | 430 | bool IsSimple, |
Anders Carlsson | 39c47b5 | 2007-11-23 23:12:25 +0000 | [diff] [blame] | 431 | bool IsVolatile, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 432 | unsigned NumOutputs, |
| 433 | unsigned NumInputs, |
| 434 | std::string *Names, |
| 435 | ExprTy **Constraints, |
| 436 | ExprTy **Exprs, |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 437 | ExprTy *AsmString, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 438 | unsigned NumClobbers, |
| 439 | ExprTy **Clobbers, |
Chris Lattner | fe79595 | 2007-10-29 04:04:16 +0000 | [diff] [blame] | 440 | SourceLocation RParenLoc); |
| 441 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 442 | virtual StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 443 | SourceLocation RParen, StmtTy *Parm, |
| 444 | StmtTy *Body, StmtTy *CatchList); |
| 445 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 446 | virtual StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 447 | StmtTy *Body); |
| 448 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 449 | virtual StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 450 | StmtTy *Try, |
| 451 | StmtTy *Catch, StmtTy *Finally); |
| 452 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 453 | virtual StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 454 | StmtTy *Throw); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 455 | virtual StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| 456 | ExprTy *SynchExpr, |
| 457 | StmtTy *SynchBody); |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 458 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 459 | //===--------------------------------------------------------------------===// |
| 460 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 461 | |
| 462 | // Primary Expressions. |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 463 | virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 464 | IdentifierInfo &II, |
| 465 | bool HasTrailingLParen); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 466 | virtual ExprResult ActOnPreDefinedExpr(SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 467 | tok::TokenKind Kind); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 468 | virtual ExprResult ActOnNumericConstant(const Token &); |
| 469 | virtual ExprResult ActOnCharacterConstant(const Token &); |
| 470 | virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 471 | ExprTy *Val); |
| 472 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 473 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 474 | /// fragments (e.g. "foo" "bar" L"baz"). |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 475 | virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 476 | |
| 477 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 478 | virtual ExprResult ActOnUnaryOp(SourceLocation OpLoc, tok::TokenKind Op, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 479 | ExprTy *Input); |
| 480 | virtual ExprResult |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 481 | ActOnSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 482 | SourceLocation LParenLoc, TypeTy *Ty, |
| 483 | SourceLocation RParenLoc); |
| 484 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 485 | virtual ExprResult ActOnPostfixUnaryOp(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 486 | tok::TokenKind Kind, ExprTy *Input); |
| 487 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 488 | virtual ExprResult ActOnArraySubscriptExpr(ExprTy *Base, SourceLocation LLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 489 | ExprTy *Idx, SourceLocation RLoc); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 490 | virtual ExprResult ActOnMemberReferenceExpr(ExprTy *Base,SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 491 | tok::TokenKind OpKind, |
| 492 | SourceLocation MemberLoc, |
| 493 | IdentifierInfo &Member); |
| 494 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 495 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 496 | /// This provides the location of the left/right parens and a list of comma |
| 497 | /// locations. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 498 | virtual ExprResult ActOnCallExpr(ExprTy *Fn, SourceLocation LParenLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 499 | ExprTy **Args, unsigned NumArgs, |
| 500 | SourceLocation *CommaLocs, |
| 501 | SourceLocation RParenLoc); |
| 502 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 503 | virtual ExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 504 | SourceLocation RParenLoc, ExprTy *Op); |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 505 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 506 | virtual ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, TypeTy *Ty, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 507 | SourceLocation RParenLoc, ExprTy *Op); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 508 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 509 | virtual ExprResult ActOnInitList(SourceLocation LParenLoc, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 510 | ExprTy **InitList, unsigned NumInit, |
| 511 | SourceLocation RParenLoc); |
| 512 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 513 | virtual ExprResult ActOnBinOp(SourceLocation TokLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 514 | ExprTy *LHS,ExprTy *RHS); |
| 515 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 516 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 517 | /// in the case of a the GNU conditional expr extension. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 518 | virtual ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 519 | SourceLocation ColonLoc, |
| 520 | ExprTy *Cond, ExprTy *LHS, ExprTy *RHS); |
| 521 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 522 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 523 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 524 | IdentifierInfo *LabelII); |
| 525 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 526 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 527 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 528 | |
| 529 | /// __builtin_offsetof(type, a.b[123][456].c) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 530 | virtual ExprResult ActOnBuiltinOffsetOf(SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 531 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 532 | OffsetOfComponent *CompPtr, |
| 533 | unsigned NumComponents, |
| 534 | SourceLocation RParenLoc); |
| 535 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 536 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 537 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 538 | TypeTy *arg1, TypeTy *arg2, |
| 539 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 540 | |
| 541 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 542 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 543 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 544 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 545 | |
Nate Begeman | e2ce1d9 | 2008-01-17 17:46:27 +0000 | [diff] [blame] | 546 | // __builtin_overload(...) |
| 547 | virtual ExprResult ActOnOverloadExpr(ExprTy **Args, unsigned NumArgs, |
| 548 | SourceLocation *CommaLocs, |
| 549 | SourceLocation BuiltinLoc, |
| 550 | SourceLocation RParenLoc); |
Nate Begeman | 440b456 | 2008-03-07 20:04:22 +0000 | [diff] [blame] | 551 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 552 | // __builtin_va_arg(expr, type) |
| 553 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 554 | ExprTy *expr, TypeTy *type, |
| 555 | SourceLocation RPLoc); |
| 556 | |
Argyrios Kyrtzidis | 2d1c5d3 | 2008-04-27 13:50:30 +0000 | [diff] [blame] | 557 | // Act on C++ namespaces |
| 558 | virtual DeclTy *ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc, |
| 559 | IdentifierInfo *Ident, |
| 560 | SourceLocation LBrace); |
| 561 | virtual void ActOnFinishNamespaceDef(DeclTy *Dcl, SourceLocation RBrace); |
| 562 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 563 | /// ActOnCXXCasts - Parse {dynamic,static,reinterpret,const}_cast's. |
| 564 | virtual ExprResult ActOnCXXCasts(SourceLocation OpLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 565 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 566 | SourceLocation RAngleBracketLoc, |
| 567 | SourceLocation LParenLoc, ExprTy *E, |
| 568 | SourceLocation RParenLoc); |
| 569 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 570 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 571 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 572 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 573 | |
Chris Lattner | 50dd289 | 2008-02-26 00:51:44 +0000 | [diff] [blame] | 574 | //// ActOnCXXThrow - Parse throw expressions. |
| 575 | virtual ExprResult ActOnCXXThrow(SourceLocation OpLoc, |
| 576 | ExprTy *expr); |
| 577 | |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 578 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 579 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 580 | ExprTy **Strings, |
| 581 | unsigned NumStrings); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 582 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 583 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 584 | SourceLocation LParenLoc, |
| 585 | TypeTy *Ty, |
| 586 | SourceLocation RParenLoc); |
| 587 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 588 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 589 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 590 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 591 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 592 | SourceLocation LParenLoc, |
| 593 | SourceLocation RParenLoc); |
| 594 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 595 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 596 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 597 | SourceLocation AtLoc, |
| 598 | SourceLocation ProtoLoc, |
| 599 | SourceLocation LParenLoc, |
| 600 | SourceLocation RParenLoc); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 601 | |
| 602 | //===--------------------------------------------------------------------===// |
| 603 | // C++ Classes |
| 604 | // |
| 605 | /// ActOnBaseSpecifier - Parsed a base specifier |
| 606 | virtual void ActOnBaseSpecifier(DeclTy *classdecl, SourceRange SpecifierRange, |
| 607 | bool Virtual, AccessSpecifier Access, |
| 608 | DeclTy *basetype, SourceLocation BaseLoc); |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 609 | |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 610 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 611 | // Objective-C declarations. |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 612 | virtual DeclTy *ActOnStartClassInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 613 | SourceLocation AtInterafceLoc, |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 614 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 615 | IdentifierInfo *SuperName, SourceLocation SuperLoc, |
| 616 | IdentifierInfo **ProtocolNames, unsigned NumProtocols, |
Steve Naroff | f908a87 | 2007-10-30 02:23:23 +0000 | [diff] [blame] | 617 | SourceLocation EndProtoLoc, AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 618 | |
| 619 | virtual DeclTy *ActOnCompatiblityAlias( |
| 620 | SourceLocation AtCompatibilityAliasLoc, |
| 621 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 622 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 623 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 624 | virtual DeclTy *ActOnStartProtocolInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 625 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 626 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Steve Naroff | f908a87 | 2007-10-30 02:23:23 +0000 | [diff] [blame] | 627 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs, |
| 628 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 629 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 630 | virtual DeclTy *ActOnStartCategoryInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 631 | SourceLocation AtInterfaceLoc, |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 632 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 633 | IdentifierInfo *CategoryName, SourceLocation CategoryLoc, |
Steve Naroff | 423cb56 | 2007-10-30 13:30:57 +0000 | [diff] [blame] | 634 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs, |
| 635 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 636 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 637 | virtual DeclTy *ActOnStartClassImplementation( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 638 | SourceLocation AtClassImplLoc, |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 639 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 640 | IdentifierInfo *SuperClassname, |
| 641 | SourceLocation SuperClassLoc); |
| 642 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 643 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 644 | SourceLocation AtCatImplLoc, |
| 645 | IdentifierInfo *ClassName, |
| 646 | SourceLocation ClassLoc, |
| 647 | IdentifierInfo *CatName, |
| 648 | SourceLocation CatLoc); |
| 649 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 650 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 651 | IdentifierInfo **IdentList, |
| 652 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 653 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 654 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 655 | IdentifierInfo **IdentList, |
| 656 | unsigned NumElts); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 657 | |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 658 | virtual void FindProtocolDeclaration(SourceLocation TypeLoc, |
| 659 | IdentifierInfo **ProtocolId, |
| 660 | unsigned NumProtocols, |
| 661 | llvm::SmallVector<DeclTy *, 8> & |
| 662 | Protocols); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 663 | |
| 664 | void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| 665 | ObjCPropertyDecl *SuperProperty, |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 666 | const char *Name); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 667 | void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | b5e0224 | 2008-04-24 19:58:34 +0000 | [diff] [blame] | 668 | |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 669 | void MergeProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 670 | DeclTy *MergeProtocols); |
| 671 | |
| 672 | void MergeOneProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 673 | ObjCProtocolDecl *PDecl); |
| 674 | |
Steve Naroff | 0416fb9 | 2007-11-11 17:19:15 +0000 | [diff] [blame] | 675 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl, |
| 676 | DeclTy **allMethods = 0, unsigned allNum = 0, |
| 677 | DeclTy **allProperties = 0, unsigned pNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 678 | |
Fariborz Jahanian | 1de1e74 | 2008-04-14 23:36:35 +0000 | [diff] [blame] | 679 | virtual DeclTy *ActOnProperty(Scope *S, SourceLocation AtLoc, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 680 | FieldDeclarator &FD, ObjCDeclSpec &ODS, |
Fariborz Jahanian | 5251e13 | 2008-05-06 18:09:04 +0000 | [diff] [blame] | 681 | Selector GetterSel, Selector SetterSel, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 682 | tok::ObjCKeywordKind MethodImplKind); |
| 683 | |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 684 | virtual DeclTy *ActOnPropertyImplDecl(SourceLocation AtLoc, |
| 685 | SourceLocation PropertyLoc, |
| 686 | bool ImplKind, DeclTy *ClassImplDecl, |
| 687 | IdentifierInfo *PropertyId, |
| 688 | IdentifierInfo *PropertyIvar); |
| 689 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 690 | virtual DeclTy *ActOnMethodDeclaration( |
| 691 | SourceLocation BeginLoc, // location of the + or -. |
| 692 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 693 | tok::TokenKind MethodType, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 694 | DeclTy *ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 695 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 696 | // optional arguments. The number of types/arguments is obtained |
| 697 | // from the Sel.getNumArgs(). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 698 | ObjCDeclSpec *ArgQT, TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 699 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 700 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 701 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 702 | // ActOnClassMessage - used for both unary and keyword messages. |
| 703 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 704 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 705 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 706 | Scope *S, |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 707 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 708 | SourceLocation lbrac, SourceLocation rbrac, |
| 709 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 710 | |
| 711 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 712 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 713 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 714 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 715 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 716 | SourceLocation lbrac, SourceLocation rbrac, |
| 717 | ExprTy **ArgExprs, unsigned NumArgs); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 718 | private: |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 719 | /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| 720 | /// cast. If there is already an implicit cast, merge into the existing one. |
| 721 | void ImpCastExprToType(Expr *&Expr, QualType Type); |
| 722 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 723 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 724 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 725 | Expr *UsualUnaryConversions(Expr *&expr); |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 726 | |
| 727 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 728 | // to their respective pointers (C99 6.3.2.1). |
| 729 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 730 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 731 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 732 | // do not have a prototype. Integer promotions are performed on each |
| 733 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 734 | void DefaultArgumentPromotion(Expr *&Expr); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 735 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 736 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 737 | // operands and then handles various conversions that are common to binary |
| 738 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 739 | // routine returns the first non-arithmetic type found. The client is |
| 740 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 741 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 742 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 743 | |
| 744 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 745 | /// enum to indicate whether the assignment was allowed. These checks are |
| 746 | /// done for simple assignments, as well as initialization, return from |
| 747 | /// function, argument passing, etc. The query is phrased in terms of a |
| 748 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 749 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 750 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 751 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 752 | |
| 753 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 754 | /// accept as an extension. |
| 755 | PointerToInt, |
| 756 | |
| 757 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 758 | /// accept as an extension. |
| 759 | IntToPointer, |
| 760 | |
| 761 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 762 | /// void*, which the standard doesn't allow, but we accept as an extension. |
Chris Lattner | bfe639e | 2008-01-03 22:56:36 +0000 | [diff] [blame] | 763 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 764 | |
| 765 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 766 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 767 | IncompatiblePointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 768 | |
| 769 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 770 | /// c/v/r qualifiers, which we accept as an extension. |
| 771 | CompatiblePointerDiscardsQualifiers, |
| 772 | |
| 773 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 774 | /// represent it in the AST. |
| 775 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 776 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 777 | |
| 778 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 779 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 780 | /// conversion was invalid or false if the conversion was accepted. |
| 781 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 782 | SourceLocation Loc, |
| 783 | QualType DstType, QualType SrcType, |
| 784 | Expr *SrcExpr, const char *Flavor); |
| 785 | |
| 786 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 787 | /// argument passing, variable initialization, and function return values. |
| 788 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 789 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 790 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 791 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 792 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 793 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 794 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 795 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 796 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 797 | // conversions. For compound assignments, the "Check...Operands" methods |
| 798 | // perform the necessary conversions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 799 | AssignConvertType CheckCompoundAssignmentConstraints(QualType lhs, |
| 800 | QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 801 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 802 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 803 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 804 | QualType rhsType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 805 | |
| 806 | /// the following "Check" methods will return a valid/converted QualType |
| 807 | /// or a null QualType (indicating an error diagnostic was issued). |
| 808 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 809 | /// type checking binary operators (subroutines of ActOnBinOp). |
Chris Lattner | ca5eede | 2007-12-12 05:47:28 +0000 | [diff] [blame] | 810 | inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 811 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 812 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 813 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 814 | inline QualType CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 815 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 816 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 817 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 818 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 819 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 820 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 821 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 822 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 823 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 824 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 825 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 826 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 827 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 828 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 829 | // For simple assignment, pass both expressions and a null converted type. |
| 830 | // For compound assignment, pass both expressions and the converted type. |
| 831 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 832 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 833 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 834 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 835 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 836 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 837 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 838 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 839 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| 840 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc); |
| 841 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 842 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
| 843 | QualType CheckSizeOfAlignOfOperand(QualType type, SourceLocation loc, |
| 844 | bool isSizeof); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 845 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 846 | |
| 847 | /// type checking primary expressions. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 848 | QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc, |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 849 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 850 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 851 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 852 | friend class InitListChecker; |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 853 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType); |
| 854 | bool CheckSingleInitializer(Expr *&simpleInit, QualType declType); |
Steve Naroff | 9e8925e | 2007-09-04 14:36:54 +0000 | [diff] [blame] | 855 | bool CheckInitExpr(Expr *expr, InitListExpr *IList, unsigned slot, |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 856 | QualType ElementType); |
Steve Naroff | a996033 | 2008-01-25 00:51:06 +0000 | [diff] [blame] | 857 | bool CheckInitializerListTypes(InitListExpr*& IList, QualType &DeclType, |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 858 | bool topLevel, unsigned& startIndex); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 859 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Eli Friedman | c594b32 | 2008-05-20 13:48:25 +0000 | [diff] [blame^] | 860 | bool CheckArithmeticConstantExpression(const Expr* e); |
| 861 | bool CheckAddressConstantExpression(const Expr* e); |
| 862 | bool CheckAddressConstantExpressionLValue(const Expr* e); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 863 | |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 864 | StringLiteral *IsStringLiteralInit(Expr *Init, QualType DeclType); |
| 865 | bool CheckStringLiteralInit(StringLiteral *strLiteral, QualType &DeclT); |
| 866 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 867 | // CheckVectorCast - check type constraints for vectors. |
| 868 | // Since vectors are an extension, there are no C standard reference for this. |
| 869 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 870 | // returns true if the cast is invalid |
| 871 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 872 | |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 873 | // returns true if there were any incompatible arguments. |
| 874 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 875 | ObjCMethodDecl *Method); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 876 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 877 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 878 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 879 | /// the specified diagnostic. |
| 880 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 881 | unsigned NewWidth, bool NewSign, |
| 882 | SourceLocation Loc, unsigned DiagID); |
| 883 | |
Chris Lattner | eca7be6 | 2008-04-07 05:30:13 +0000 | [diff] [blame] | 884 | bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, |
| 885 | bool ForCompare); |
| 886 | |
| 887 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 888 | void InitBuiltinVaListType(); |
| 889 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 890 | //===--------------------------------------------------------------------===// |
| 891 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 892 | private: |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 893 | Action::ExprResult CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 894 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
| 895 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 896 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
Eli Friedman | 6cfda23 | 2008-05-20 08:23:37 +0000 | [diff] [blame] | 897 | bool SemaBuiltinStackAddress(CallExpr *TheCall); |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 898 | Action::ExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 899 | void CheckPrintfArguments(CallExpr *TheCall, |
| 900 | bool HasVAListArg, unsigned format_idx); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 901 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 902 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 903 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 904 | }; |
| 905 | |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 906 | class InitListChecker { |
| 907 | Sema *SemaRef; |
| 908 | bool hadError; |
| 909 | |
| 910 | void CheckImplicitInitList(InitListExpr *ParentIList, QualType T, |
| 911 | unsigned &Index); |
Steve Naroff | a647caa | 2008-05-06 00:23:44 +0000 | [diff] [blame] | 912 | void CheckExplicitInitList(InitListExpr *IList, QualType &T, |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 913 | unsigned &Index); |
| 914 | |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 915 | void CheckListElementTypes(InitListExpr *IList, QualType &DeclType, |
| 916 | unsigned &Index); |
| 917 | void CheckSubElementType(InitListExpr *IList, QualType ElemType, |
| 918 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 919 | // FIXME: Does DeclType need to be a reference type? |
| 920 | void CheckScalarType(InitListExpr *IList, QualType &DeclType, |
| 921 | unsigned &Index); |
| 922 | void CheckVectorType(InitListExpr *IList, QualType DeclType, unsigned &Index); |
| 923 | void CheckStructUnionTypes(InitListExpr *IList, QualType DeclType, |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 924 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 925 | void CheckArrayType(InitListExpr *IList, QualType &DeclType, unsigned &Index); |
| 926 | |
| 927 | int numArrayElements(QualType DeclType); |
| 928 | int numStructUnionElements(QualType DeclType); |
| 929 | public: |
| 930 | InitListChecker(Sema *S, InitListExpr *IL, QualType &T); |
| 931 | bool HadError() { return hadError; } |
| 932 | }; |
| 933 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 934 | |
| 935 | } // end namespace clang |
| 936 | |
| 937 | #endif |