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 | 7ff22b2 | 2008-06-16 18:00:42 +0000 | [diff] [blame] | 127 | id_NSLog, |
Ted Kremenek | e0eb80a | 2007-08-10 21:13:51 +0000 | [diff] [blame] | 128 | id_vsnprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 129 | id_vasprintf, |
| 130 | id_vfprintf, |
| 131 | id_vsprintf, |
| 132 | id_vprintf, |
| 133 | id_num_known_functions |
| 134 | }; |
| 135 | |
| 136 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 137 | /// of known functions used by the semantic analysis to do various |
| 138 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 139 | /// This list is populated upon the creation of a Sema object. |
| 140 | IdentifierInfo* KnownFunctionIDs[ id_num_known_functions ]; |
| 141 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 142 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 143 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 144 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 145 | Scope *TUScope; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 146 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 147 | /// ObjCMethodList - a linked list of methods with different signatures. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 148 | struct ObjCMethodList { |
| 149 | ObjCMethodDecl *Method; |
| 150 | ObjCMethodList *Next; |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 151 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 152 | ObjCMethodList() { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 153 | Method = 0; |
| 154 | Next = 0; |
| 155 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 156 | ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 157 | Method = M; |
| 158 | Next = C; |
| 159 | } |
| 160 | }; |
| 161 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 162 | /// messages to "id". We need to maintain a list, since selectors can have |
| 163 | /// differing signatures across classes. In Cocoa, this happens to be |
| 164 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 165 | llvm::DenseMap<Selector, ObjCMethodList> InstanceMethodPool; |
| 166 | llvm::DenseMap<Selector, ObjCMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 167 | public: |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 168 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 169 | |
| 170 | const LangOptions &getLangOptions() const; |
| 171 | |
| 172 | /// The primitive diagnostic helpers - always returns true, which simplifies |
| 173 | /// error handling (i.e. less code). |
| 174 | bool Diag(SourceLocation Loc, unsigned DiagID); |
| 175 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg); |
| 176 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 177 | const std::string &Msg2); |
| 178 | |
| 179 | /// More expressive diagnostic helpers for expressions (say that 6 times:-) |
| 180 | bool Diag(SourceLocation Loc, unsigned DiagID, SourceRange R1); |
| 181 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 182 | SourceRange R1, SourceRange R2); |
| 183 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 184 | SourceRange R1); |
| 185 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 186 | SourceRange R1, SourceRange R2); |
| 187 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 188 | const std::string &Msg2, SourceRange R1); |
Chris Lattner | 4667ac3 | 2008-01-03 23:38:43 +0000 | [diff] [blame] | 189 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 190 | const std::string &Msg2, const std::string &Msg3, SourceRange R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 191 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 192 | const std::string &Msg1, const std::string &Msg2, |
| 193 | SourceRange R1, SourceRange R2); |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 194 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 195 | virtual void DeleteExpr(ExprTy *E); |
| 196 | virtual void DeleteStmt(StmtTy *S); |
| 197 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 198 | //===--------------------------------------------------------------------===// |
| 199 | // Type Analysis / Processing: SemaType.cpp. |
| 200 | // |
Chris Lattner | fab5b45 | 2008-02-20 23:53:49 +0000 | [diff] [blame] | 201 | QualType ConvertDeclSpecToType(DeclSpec &DS); |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 202 | AttributeList *ProcessTypeAttributes(QualType &Result, AttributeList *AL); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 203 | QualType GetTypeForDeclarator(Declarator &D, Scope *S); |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 204 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 205 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 206 | QualType ObjCGetTypeForMethodDefinition(DeclTy *D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 207 | |
| 208 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 209 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 210 | private: |
| 211 | //===--------------------------------------------------------------------===// |
| 212 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 213 | // |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 214 | virtual DeclTy *isTypeName(const IdentifierInfo &II, Scope *S); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 215 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 216 | virtual DeclTy *ActOnParamDeclarator(Scope *S, Declarator &D); |
| 217 | virtual void ActOnParamDefaultArgument(DeclTy *param, |
| 218 | SourceLocation EqualLoc, |
| 219 | ExprTy *defarg); |
Steve Naroff | bb20469 | 2007-09-12 14:07:44 +0000 | [diff] [blame] | 220 | void AddInitializerToDecl(DeclTy *dcl, ExprTy *init); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 221 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 222 | |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 223 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 224 | virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D); |
Steve Naroff | d6d054d | 2007-11-11 23:20:51 +0000 | [diff] [blame] | 225 | |
| 226 | virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtTy *Body); |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame] | 227 | virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace, |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 228 | SourceLocation RBrace, const char *Lang, |
| 229 | unsigned StrSize, DeclTy *D); |
Anders Carlsson | dfab6cb | 2008-02-08 00:33:21 +0000 | [diff] [blame] | 230 | virtual DeclTy *ActOnFileScopeAsmDecl(SourceLocation Loc, ExprTy *expr); |
| 231 | |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 232 | /// Scope actions. |
| 233 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 234 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 235 | |
| 236 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 237 | /// no declarator (e.g. "struct foo;") is parsed. |
| 238 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| 239 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 240 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 241 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 242 | SourceLocation NameLoc, AttributeList *Attr); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 243 | virtual DeclTy *ActOnField(Scope *S, SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 244 | Declarator &D, ExprTy *BitfieldWidth); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 245 | |
| 246 | virtual DeclTy *ActOnIvar(Scope *S, SourceLocation DeclStart, |
| 247 | Declarator &D, ExprTy *BitfieldWidth, |
Fariborz Jahanian | 45bc03f | 2008-04-11 16:55:42 +0000 | [diff] [blame] | 248 | tok::ObjCKeywordKind visibility); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 249 | |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 250 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 251 | virtual void ActOnFields(Scope* S, |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 252 | SourceLocation RecLoc, DeclTy *TagDecl, |
| 253 | DeclTy **Fields, unsigned NumFields, |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 254 | SourceLocation LBrac, SourceLocation RBrac); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 255 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 256 | DeclTy *LastEnumConstant, |
| 257 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 258 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 259 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 260 | DeclTy **Elements, unsigned NumElements); |
| 261 | private: |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 262 | /// Set the current declaration context until it gets popped. |
Chris Lattner | 9fdf9c6 | 2008-04-22 18:39:57 +0000 | [diff] [blame] | 263 | void PushDeclContext(DeclContext *DC); |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 264 | void PopDeclContext(); |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 265 | |
Argyrios Kyrtzidis | 87f3ff0 | 2008-04-12 00:47:19 +0000 | [diff] [blame] | 266 | /// Add this decl to the scope shadowed decl chains. |
| 267 | void PushOnScopeChains(NamedDecl *D, Scope *S); |
| 268 | |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 269 | /// Subroutines of ActOnDeclarator(). |
Chris Lattner | 41af093 | 2007-11-14 06:34:38 +0000 | [diff] [blame] | 270 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| 271 | ScopedDecl *LastDecl); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 272 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, Decl *Old); |
Douglas Gregor | f009795 | 2008-04-21 02:02:58 +0000 | [diff] [blame] | 273 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, Decl *Old, |
| 274 | bool &Redeclaration); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 275 | VarDecl *MergeVarDecl(VarDecl *New, Decl *Old); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 276 | FunctionDecl *MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
| 277 | |
| 278 | /// Helpers for dealing with function parameters |
| 279 | bool CheckParmsForFunctionDef(FunctionDecl *FD); |
Chris Lattner | 4111024 | 2008-06-17 18:05:57 +0000 | [diff] [blame^] | 280 | ImplicitParamDecl *CreateImplicitParameter(Scope *S, IdentifierInfo *Id, |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 281 | SourceLocation IdLoc, QualType Type); |
| 282 | void CheckCXXDefaultArguments(FunctionDecl *FD); |
Douglas Gregor | 6d6eb57 | 2008-05-07 04:49:29 +0000 | [diff] [blame] | 283 | void CheckExtraCXXDefaultArguments(Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 284 | |
| 285 | /// More parsing and symbol table subroutines... |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 286 | Decl *LookupDecl(const IdentifierInfo *II, unsigned NSI, Scope *S, |
| 287 | bool enableLazyBuiltinCreation = true); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 288 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 289 | ScopedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
| 290 | Scope *S); |
Steve Naroff | 8c9f13e | 2007-09-16 16:16:00 +0000 | [diff] [blame] | 291 | ScopedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 292 | Scope *S); |
| 293 | // Decl attributes - this routine is the top level dispatcher. |
| 294 | void HandleDeclAttributes(Decl *New, AttributeList *declspec_prefix, |
| 295 | AttributeList *declarator_postfix); |
| 296 | void HandleDeclAttribute(Decl *New, AttributeList *rawAttr); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 297 | |
| 298 | /// HandleAddressSpaceTypeAttribute - this attribute is only applicable to |
| 299 | /// objects without automatic storage duration. |
| 300 | /// The raw attribute contains 1 argument, the id of the address space |
| 301 | /// for the type. |
| 302 | QualType HandleAddressSpaceTypeAttribute(QualType curType, |
Eli Friedman | 3c0eb16 | 2008-05-27 03:33:27 +0000 | [diff] [blame] | 303 | AttributeList *rawAttr); |
| 304 | |
| 305 | /// HandleModeTypeAttribute - this attribute modifies the width of a |
| 306 | /// primitive type. Note that this is a variable attribute, and not |
| 307 | /// a type attribute. |
| 308 | QualType HandleModeTypeAttribute(QualType curType, |
| 309 | AttributeList *rawAttr); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 310 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 311 | // HandleVectorTypeAttribute - this attribute is only applicable to |
| 312 | // integral and float scalars, although arrays, pointers, and function |
| 313 | // return values are allowed in conjunction with this construct. Aggregates |
| 314 | // with this attribute are invalid, even if they are of the same size as a |
| 315 | // corresponding scalar. |
| 316 | // The raw attribute should contain precisely 1 argument, the vector size |
| 317 | // for the variable, measured in bytes. If curType and rawAttr are well |
| 318 | // formed, this routine will return a new vector type. |
| 319 | QualType HandleVectorTypeAttribute(QualType curType, AttributeList *rawAttr); |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 320 | void HandleExtVectorTypeAttribute(TypedefDecl *d, AttributeList *rawAttr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 321 | |
Anders Carlsson | 78aaae9 | 2007-12-19 07:19:40 +0000 | [diff] [blame] | 322 | void HandleAlignedAttribute(Decl *d, AttributeList *rawAttr); |
Nuno Lopes | d4cbda6 | 2008-06-08 15:45:52 +0000 | [diff] [blame] | 323 | void HandleAliasAttribute(Decl *d, AttributeList *rawAttr); |
Anders Carlsson | ad14806 | 2008-02-16 00:29:18 +0000 | [diff] [blame] | 324 | void HandlePackedAttribute(Decl *d, AttributeList *rawAttr); |
Nate Begeman | c398f0b | 2008-02-21 19:30:49 +0000 | [diff] [blame] | 325 | void HandleAnnotateAttribute(Decl *d, AttributeList *rawAttr); |
Ted Kremenek | aecb383 | 2008-02-27 20:43:06 +0000 | [diff] [blame] | 326 | void HandleNoReturnAttribute(Decl *d, AttributeList *rawAttr); |
Chris Lattner | ddee423 | 2008-03-03 03:28:21 +0000 | [diff] [blame] | 327 | void HandleDeprecatedAttribute(Decl *d, AttributeList *rawAttr); |
| 328 | void HandleWeakAttribute(Decl *d, AttributeList *rawAttr); |
| 329 | void HandleDLLImportAttribute(Decl *d, AttributeList *rawAttr); |
| 330 | void HandleDLLExportAttribute(Decl *d, AttributeList *rawAttr); |
| 331 | void HandleVisibilityAttribute(Decl *d, AttributeList *rawAttr); |
| 332 | void HandleNothrowAttribute(Decl *d, AttributeList *rawAttr); |
| 333 | void HandleFormatAttribute(Decl *d, AttributeList *rawAttr); |
Nate Begeman | 440b456 | 2008-03-07 20:04:22 +0000 | [diff] [blame] | 334 | void HandleStdCallAttribute(Decl *d, AttributeList *rawAttr); |
| 335 | void HandleFastCallAttribute(Decl *d, AttributeList *rawAttr); |
Nuno Lopes | 27ae6c6 | 2008-04-25 09:32:00 +0000 | [diff] [blame] | 336 | void HandleTransparentUnionAttribute(Decl *d, AttributeList *rawAttr); |
Anders Carlsson | ad14806 | 2008-02-16 00:29:18 +0000 | [diff] [blame] | 337 | |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 338 | void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| 339 | bool &IncompleteImpl); |
| 340 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 341 | /// CheckProtocolMethodDefs - This routine checks unimpletented methods |
| 342 | /// Declared in protocol, and those referenced by it. |
Steve Naroff | efe7f36 | 2008-02-08 22:06:17 +0000 | [diff] [blame] | 343 | void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| 344 | ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 345 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 346 | const llvm::DenseSet<Selector> &InsMap, |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 347 | const llvm::DenseSet<Selector> &ClsMap); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 348 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 349 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 350 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 351 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 352 | ObjCIvarDecl **Fields, unsigned nIvars, |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 353 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 354 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 355 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 356 | /// remains unimplemented in the @implementation class. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 357 | void ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl, |
| 358 | ObjCInterfaceDecl* IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 359 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 360 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 361 | /// category interface is implemented in the category @implementation. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 362 | void ImplCategoryMethodsVsIntfMethods(ObjCCategoryImplDecl *CatImplDecl, |
| 363 | ObjCCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 364 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 365 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 366 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
| 367 | const ObjCMethodDecl *PrevMethod); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 368 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 369 | /// isBuiltinObjCType - Returns true of the type is "id", "SEL", "Class" |
Fariborz Jahanian | 66c5dfc | 2007-12-07 00:18:54 +0000 | [diff] [blame] | 370 | /// or "Protocol". |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 371 | bool isBuiltinObjCType(TypedefDecl *TD); |
Fariborz Jahanian | 1f990d6 | 2008-01-04 00:27:46 +0000 | [diff] [blame] | 372 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 373 | /// isObjCObjectPointerType - Returns true if type is an objective-c pointer |
Fariborz Jahanian | 1f990d6 | 2008-01-04 00:27:46 +0000 | [diff] [blame] | 374 | /// to an object type; such as "id", "Class", Intf*, id<P>, etc. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 375 | bool isObjCObjectPointerType(QualType type) const; |
Anders Carlsson | 8baaca5 | 2007-10-31 02:53:19 +0000 | [diff] [blame] | 376 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 377 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 378 | /// unit are added to a global pool. This allows us to efficiently associate |
| 379 | /// a selector with a method declaraation for purposes of typechecking |
| 380 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 381 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 382 | |
| 383 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 384 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 385 | //===--------------------------------------------------------------------===// |
| 386 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 387 | public: |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 388 | virtual StmtResult ActOnExprStmt(ExprTy *Expr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 389 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 390 | virtual StmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 391 | virtual StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
Chris Lattner | 98414c1 | 2007-08-31 21:49:55 +0000 | [diff] [blame] | 392 | StmtTy **Elts, unsigned NumElts, |
| 393 | bool isStmtExpr); |
Chris Lattner | 81c018d | 2008-03-13 06:29:04 +0000 | [diff] [blame] | 394 | virtual StmtResult ActOnDeclStmt(DeclTy *Decl, SourceLocation StartLoc, |
| 395 | SourceLocation EndLoc); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 396 | virtual StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprTy *LHSVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 397 | SourceLocation DotDotDotLoc, ExprTy *RHSVal, |
| 398 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 399 | virtual StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
Chris Lattner | 6c36be5 | 2007-07-18 02:28:47 +0000 | [diff] [blame] | 400 | SourceLocation ColonLoc, StmtTy *SubStmt, |
| 401 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 402 | virtual StmtResult ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 403 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 404 | virtual StmtResult ActOnIfStmt(SourceLocation IfLoc, ExprTy *CondVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 405 | StmtTy *ThenVal, SourceLocation ElseLoc, |
| 406 | StmtTy *ElseVal); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 407 | virtual StmtResult ActOnStartOfSwitchStmt(ExprTy *Cond); |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 408 | virtual StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 409 | StmtTy *Switch, ExprTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 410 | virtual StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprTy *Cond, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 411 | StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 412 | virtual StmtResult ActOnDoStmt(SourceLocation DoLoc, StmtTy *Body, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 413 | SourceLocation WhileLoc, ExprTy *Cond); |
| 414 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 415 | virtual StmtResult ActOnForStmt(SourceLocation ForLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 416 | SourceLocation LParenLoc, |
| 417 | StmtTy *First, ExprTy *Second, ExprTy *Third, |
| 418 | SourceLocation RParenLoc, StmtTy *Body); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 419 | virtual StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
Fariborz Jahanian | 3ba5a0f | 2008-01-03 17:55:25 +0000 | [diff] [blame] | 420 | SourceLocation LParenLoc, |
| 421 | StmtTy *First, ExprTy *Second, |
| 422 | SourceLocation RParenLoc, StmtTy *Body); |
| 423 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 424 | virtual StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 425 | SourceLocation LabelLoc, |
| 426 | IdentifierInfo *LabelII); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 427 | virtual StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 428 | SourceLocation StarLoc, |
| 429 | ExprTy *DestExp); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 430 | virtual StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 431 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 432 | virtual StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 433 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 434 | virtual StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 435 | ExprTy *RetValExp); |
| 436 | |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 437 | virtual StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
Anders Carlsson | dfab34a | 2008-02-05 23:03:50 +0000 | [diff] [blame] | 438 | bool IsSimple, |
Anders Carlsson | 39c47b5 | 2007-11-23 23:12:25 +0000 | [diff] [blame] | 439 | bool IsVolatile, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 440 | unsigned NumOutputs, |
| 441 | unsigned NumInputs, |
| 442 | std::string *Names, |
| 443 | ExprTy **Constraints, |
| 444 | ExprTy **Exprs, |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 445 | ExprTy *AsmString, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 446 | unsigned NumClobbers, |
| 447 | ExprTy **Clobbers, |
Chris Lattner | fe79595 | 2007-10-29 04:04:16 +0000 | [diff] [blame] | 448 | SourceLocation RParenLoc); |
| 449 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 450 | virtual StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 451 | SourceLocation RParen, StmtTy *Parm, |
| 452 | StmtTy *Body, StmtTy *CatchList); |
| 453 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 454 | virtual StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 455 | StmtTy *Body); |
| 456 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 457 | virtual StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 458 | StmtTy *Try, |
| 459 | StmtTy *Catch, StmtTy *Finally); |
| 460 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 461 | virtual StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 462 | StmtTy *Throw); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 463 | virtual StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| 464 | ExprTy *SynchExpr, |
| 465 | StmtTy *SynchBody); |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 466 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 467 | //===--------------------------------------------------------------------===// |
| 468 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 469 | |
| 470 | // Primary Expressions. |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 471 | virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 472 | IdentifierInfo &II, |
| 473 | bool HasTrailingLParen); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 474 | virtual ExprResult ActOnPreDefinedExpr(SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 475 | tok::TokenKind Kind); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 476 | virtual ExprResult ActOnNumericConstant(const Token &); |
| 477 | virtual ExprResult ActOnCharacterConstant(const Token &); |
| 478 | virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 479 | ExprTy *Val); |
| 480 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 481 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 482 | /// fragments (e.g. "foo" "bar" L"baz"). |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 483 | virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 484 | |
| 485 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 486 | virtual ExprResult ActOnUnaryOp(SourceLocation OpLoc, tok::TokenKind Op, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 487 | ExprTy *Input); |
| 488 | virtual ExprResult |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 489 | ActOnSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 490 | SourceLocation LParenLoc, TypeTy *Ty, |
| 491 | SourceLocation RParenLoc); |
| 492 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 493 | virtual ExprResult ActOnPostfixUnaryOp(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 494 | tok::TokenKind Kind, ExprTy *Input); |
| 495 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 496 | virtual ExprResult ActOnArraySubscriptExpr(ExprTy *Base, SourceLocation LLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 497 | ExprTy *Idx, SourceLocation RLoc); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 498 | virtual ExprResult ActOnMemberReferenceExpr(ExprTy *Base,SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 499 | tok::TokenKind OpKind, |
| 500 | SourceLocation MemberLoc, |
| 501 | IdentifierInfo &Member); |
| 502 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 503 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 504 | /// This provides the location of the left/right parens and a list of comma |
| 505 | /// locations. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 506 | virtual ExprResult ActOnCallExpr(ExprTy *Fn, SourceLocation LParenLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 507 | ExprTy **Args, unsigned NumArgs, |
| 508 | SourceLocation *CommaLocs, |
| 509 | SourceLocation RParenLoc); |
| 510 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 511 | virtual ExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 512 | SourceLocation RParenLoc, ExprTy *Op); |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 513 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 514 | virtual ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, TypeTy *Ty, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 515 | SourceLocation RParenLoc, ExprTy *Op); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 516 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 517 | virtual ExprResult ActOnInitList(SourceLocation LParenLoc, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 518 | ExprTy **InitList, unsigned NumInit, |
| 519 | SourceLocation RParenLoc); |
| 520 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 521 | virtual ExprResult ActOnBinOp(SourceLocation TokLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 522 | ExprTy *LHS,ExprTy *RHS); |
| 523 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 524 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 525 | /// in the case of a the GNU conditional expr extension. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 526 | virtual ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 527 | SourceLocation ColonLoc, |
| 528 | ExprTy *Cond, ExprTy *LHS, ExprTy *RHS); |
| 529 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 530 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 531 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 532 | IdentifierInfo *LabelII); |
| 533 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 534 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 535 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 536 | |
| 537 | /// __builtin_offsetof(type, a.b[123][456].c) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 538 | virtual ExprResult ActOnBuiltinOffsetOf(SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 539 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 540 | OffsetOfComponent *CompPtr, |
| 541 | unsigned NumComponents, |
| 542 | SourceLocation RParenLoc); |
| 543 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 544 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 545 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 546 | TypeTy *arg1, TypeTy *arg2, |
| 547 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 548 | |
| 549 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 550 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 551 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 552 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 553 | |
Nate Begeman | e2ce1d9 | 2008-01-17 17:46:27 +0000 | [diff] [blame] | 554 | // __builtin_overload(...) |
| 555 | virtual ExprResult ActOnOverloadExpr(ExprTy **Args, unsigned NumArgs, |
| 556 | SourceLocation *CommaLocs, |
| 557 | SourceLocation BuiltinLoc, |
| 558 | SourceLocation RParenLoc); |
Nate Begeman | 440b456 | 2008-03-07 20:04:22 +0000 | [diff] [blame] | 559 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 560 | // __builtin_va_arg(expr, type) |
| 561 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 562 | ExprTy *expr, TypeTy *type, |
| 563 | SourceLocation RPLoc); |
| 564 | |
Argyrios Kyrtzidis | 2d1c5d3 | 2008-04-27 13:50:30 +0000 | [diff] [blame] | 565 | // Act on C++ namespaces |
| 566 | virtual DeclTy *ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc, |
| 567 | IdentifierInfo *Ident, |
| 568 | SourceLocation LBrace); |
| 569 | virtual void ActOnFinishNamespaceDef(DeclTy *Dcl, SourceLocation RBrace); |
| 570 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 571 | /// ActOnCXXCasts - Parse {dynamic,static,reinterpret,const}_cast's. |
| 572 | virtual ExprResult ActOnCXXCasts(SourceLocation OpLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 573 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 574 | SourceLocation RAngleBracketLoc, |
| 575 | SourceLocation LParenLoc, ExprTy *E, |
| 576 | SourceLocation RParenLoc); |
| 577 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 578 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 579 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 580 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 581 | |
Chris Lattner | 50dd289 | 2008-02-26 00:51:44 +0000 | [diff] [blame] | 582 | //// ActOnCXXThrow - Parse throw expressions. |
| 583 | virtual ExprResult ActOnCXXThrow(SourceLocation OpLoc, |
| 584 | ExprTy *expr); |
| 585 | |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 586 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 587 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 588 | ExprTy **Strings, |
| 589 | unsigned NumStrings); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 590 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 591 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 592 | SourceLocation LParenLoc, |
| 593 | TypeTy *Ty, |
| 594 | SourceLocation RParenLoc); |
| 595 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 596 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 597 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 598 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 599 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 600 | SourceLocation LParenLoc, |
| 601 | SourceLocation RParenLoc); |
| 602 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 603 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 604 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 605 | SourceLocation AtLoc, |
| 606 | SourceLocation ProtoLoc, |
| 607 | SourceLocation LParenLoc, |
| 608 | SourceLocation RParenLoc); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 609 | |
| 610 | //===--------------------------------------------------------------------===// |
| 611 | // C++ Classes |
| 612 | // |
| 613 | /// ActOnBaseSpecifier - Parsed a base specifier |
| 614 | virtual void ActOnBaseSpecifier(DeclTy *classdecl, SourceRange SpecifierRange, |
| 615 | bool Virtual, AccessSpecifier Access, |
| 616 | DeclTy *basetype, SourceLocation BaseLoc); |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 617 | |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 618 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 619 | // Objective-C declarations. |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 620 | virtual DeclTy *ActOnStartClassInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 621 | SourceLocation AtInterafceLoc, |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 622 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 623 | IdentifierInfo *SuperName, SourceLocation SuperLoc, |
| 624 | IdentifierInfo **ProtocolNames, unsigned NumProtocols, |
Steve Naroff | f908a87 | 2007-10-30 02:23:23 +0000 | [diff] [blame] | 625 | SourceLocation EndProtoLoc, AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 626 | |
| 627 | virtual DeclTy *ActOnCompatiblityAlias( |
| 628 | SourceLocation AtCompatibilityAliasLoc, |
| 629 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 630 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 631 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 632 | virtual DeclTy *ActOnStartProtocolInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 633 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 634 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Steve Naroff | f908a87 | 2007-10-30 02:23:23 +0000 | [diff] [blame] | 635 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs, |
| 636 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 637 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 638 | virtual DeclTy *ActOnStartCategoryInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 639 | SourceLocation AtInterfaceLoc, |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 640 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 641 | IdentifierInfo *CategoryName, SourceLocation CategoryLoc, |
Steve Naroff | 423cb56 | 2007-10-30 13:30:57 +0000 | [diff] [blame] | 642 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs, |
| 643 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 644 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 645 | virtual DeclTy *ActOnStartClassImplementation( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 646 | SourceLocation AtClassImplLoc, |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 647 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 648 | IdentifierInfo *SuperClassname, |
| 649 | SourceLocation SuperClassLoc); |
| 650 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 651 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 652 | SourceLocation AtCatImplLoc, |
| 653 | IdentifierInfo *ClassName, |
| 654 | SourceLocation ClassLoc, |
| 655 | IdentifierInfo *CatName, |
| 656 | SourceLocation CatLoc); |
| 657 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 658 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 659 | IdentifierInfo **IdentList, |
| 660 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 661 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 662 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 663 | IdentifierInfo **IdentList, |
| 664 | unsigned NumElts); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 665 | |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 666 | virtual void FindProtocolDeclaration(SourceLocation TypeLoc, |
| 667 | IdentifierInfo **ProtocolId, |
| 668 | unsigned NumProtocols, |
| 669 | llvm::SmallVector<DeclTy *, 8> & |
| 670 | Protocols); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 671 | |
| 672 | void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| 673 | ObjCPropertyDecl *SuperProperty, |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 674 | const char *Name); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 675 | void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | b5e0224 | 2008-04-24 19:58:34 +0000 | [diff] [blame] | 676 | |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 677 | void MergeProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 678 | DeclTy *MergeProtocols); |
| 679 | |
| 680 | void MergeOneProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 681 | ObjCProtocolDecl *PDecl); |
| 682 | |
Steve Naroff | 0416fb9 | 2007-11-11 17:19:15 +0000 | [diff] [blame] | 683 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl, |
| 684 | DeclTy **allMethods = 0, unsigned allNum = 0, |
| 685 | DeclTy **allProperties = 0, unsigned pNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 686 | |
Fariborz Jahanian | 1de1e74 | 2008-04-14 23:36:35 +0000 | [diff] [blame] | 687 | virtual DeclTy *ActOnProperty(Scope *S, SourceLocation AtLoc, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 688 | FieldDeclarator &FD, ObjCDeclSpec &ODS, |
Fariborz Jahanian | 5251e13 | 2008-05-06 18:09:04 +0000 | [diff] [blame] | 689 | Selector GetterSel, Selector SetterSel, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 690 | tok::ObjCKeywordKind MethodImplKind); |
| 691 | |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 692 | virtual DeclTy *ActOnPropertyImplDecl(SourceLocation AtLoc, |
| 693 | SourceLocation PropertyLoc, |
| 694 | bool ImplKind, DeclTy *ClassImplDecl, |
| 695 | IdentifierInfo *PropertyId, |
| 696 | IdentifierInfo *PropertyIvar); |
| 697 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 698 | virtual DeclTy *ActOnMethodDeclaration( |
| 699 | SourceLocation BeginLoc, // location of the + or -. |
| 700 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 701 | tok::TokenKind MethodType, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 702 | DeclTy *ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 703 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 704 | // optional arguments. The number of types/arguments is obtained |
| 705 | // from the Sel.getNumArgs(). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 706 | ObjCDeclSpec *ArgQT, TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 707 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 708 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 709 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 710 | // ActOnClassMessage - used for both unary and keyword messages. |
| 711 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 712 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 713 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 714 | Scope *S, |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 715 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 716 | SourceLocation lbrac, SourceLocation rbrac, |
| 717 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 718 | |
| 719 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 720 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 721 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 722 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 723 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 724 | SourceLocation lbrac, SourceLocation rbrac, |
| 725 | ExprTy **ArgExprs, unsigned NumArgs); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 726 | private: |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 727 | /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| 728 | /// cast. If there is already an implicit cast, merge into the existing one. |
| 729 | void ImpCastExprToType(Expr *&Expr, QualType Type); |
| 730 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 731 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 732 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 733 | Expr *UsualUnaryConversions(Expr *&expr); |
Eli Friedman | 3c0eb16 | 2008-05-27 03:33:27 +0000 | [diff] [blame] | 734 | |
| 735 | // UsualUnaryConversionType - Same as UsualUnaryConversions, but works |
| 736 | // on types instead of expressions |
| 737 | QualType UsualUnaryConversionType(QualType Ty); |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 738 | |
| 739 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 740 | // to their respective pointers (C99 6.3.2.1). |
| 741 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 742 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 743 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 744 | // do not have a prototype. Integer promotions are performed on each |
| 745 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 746 | void DefaultArgumentPromotion(Expr *&Expr); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 747 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 748 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 749 | // operands and then handles various conversions that are common to binary |
| 750 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 751 | // routine returns the first non-arithmetic type found. The client is |
| 752 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 753 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 754 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 755 | |
| 756 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 757 | /// enum to indicate whether the assignment was allowed. These checks are |
| 758 | /// done for simple assignments, as well as initialization, return from |
| 759 | /// function, argument passing, etc. The query is phrased in terms of a |
| 760 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 761 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 762 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 763 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 764 | |
| 765 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 766 | /// accept as an extension. |
| 767 | PointerToInt, |
| 768 | |
| 769 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 770 | /// accept as an extension. |
| 771 | IntToPointer, |
| 772 | |
| 773 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 774 | /// 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] | 775 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 776 | |
| 777 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 778 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 779 | IncompatiblePointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 780 | |
| 781 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 782 | /// c/v/r qualifiers, which we accept as an extension. |
| 783 | CompatiblePointerDiscardsQualifiers, |
| 784 | |
| 785 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 786 | /// represent it in the AST. |
| 787 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 788 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 789 | |
| 790 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 791 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 792 | /// conversion was invalid or false if the conversion was accepted. |
| 793 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 794 | SourceLocation Loc, |
| 795 | QualType DstType, QualType SrcType, |
| 796 | Expr *SrcExpr, const char *Flavor); |
| 797 | |
| 798 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 799 | /// argument passing, variable initialization, and function return values. |
| 800 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 801 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 802 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 803 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 804 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 805 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 806 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 807 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 808 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 809 | // conversions. For compound assignments, the "Check...Operands" methods |
| 810 | // perform the necessary conversions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 811 | AssignConvertType CheckCompoundAssignmentConstraints(QualType lhs, |
| 812 | QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 813 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 814 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 815 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 816 | QualType rhsType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 817 | |
| 818 | /// the following "Check" methods will return a valid/converted QualType |
| 819 | /// or a null QualType (indicating an error diagnostic was issued). |
| 820 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 821 | /// type checking binary operators (subroutines of ActOnBinOp). |
Chris Lattner | ca5eede | 2007-12-12 05:47:28 +0000 | [diff] [blame] | 822 | inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 823 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 824 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
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 CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 827 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 828 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 829 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 830 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 831 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 832 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 833 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 834 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 835 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 836 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 837 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 838 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 839 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 840 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 841 | // For simple assignment, pass both expressions and a null converted type. |
| 842 | // For compound assignment, pass both expressions and the converted type. |
| 843 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 844 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 845 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 846 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 847 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 848 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 849 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 850 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 851 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| 852 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc); |
| 853 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 854 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
| 855 | QualType CheckSizeOfAlignOfOperand(QualType type, SourceLocation loc, |
| 856 | bool isSizeof); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 857 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 858 | |
| 859 | /// type checking primary expressions. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 860 | QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc, |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 861 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 862 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 863 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 864 | friend class InitListChecker; |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 865 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType); |
| 866 | bool CheckSingleInitializer(Expr *&simpleInit, QualType declType); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 867 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Eli Friedman | c594b32 | 2008-05-20 13:48:25 +0000 | [diff] [blame] | 868 | bool CheckArithmeticConstantExpression(const Expr* e); |
| 869 | bool CheckAddressConstantExpression(const Expr* e); |
| 870 | bool CheckAddressConstantExpressionLValue(const Expr* e); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 871 | |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 872 | StringLiteral *IsStringLiteralInit(Expr *Init, QualType DeclType); |
| 873 | bool CheckStringLiteralInit(StringLiteral *strLiteral, QualType &DeclT); |
| 874 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 875 | // CheckVectorCast - check type constraints for vectors. |
| 876 | // Since vectors are an extension, there are no C standard reference for this. |
| 877 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 878 | // returns true if the cast is invalid |
| 879 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 880 | |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 881 | // returns true if there were any incompatible arguments. |
| 882 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 883 | ObjCMethodDecl *Method); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 884 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 885 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 886 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 887 | /// the specified diagnostic. |
| 888 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 889 | unsigned NewWidth, bool NewSign, |
| 890 | SourceLocation Loc, unsigned DiagID); |
| 891 | |
Chris Lattner | eca7be6 | 2008-04-07 05:30:13 +0000 | [diff] [blame] | 892 | bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, |
| 893 | bool ForCompare); |
| 894 | |
| 895 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 896 | void InitBuiltinVaListType(); |
Eli Friedman | 1b76ada | 2008-06-03 21:01:11 +0000 | [diff] [blame] | 897 | |
| 898 | // Helper method to turn variable array types into |
| 899 | // constant array types in certain situations which would otherwise |
| 900 | // be errors |
| 901 | QualType TryFixInvalidVariablyModifiedType(QualType T); |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 902 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 903 | //===--------------------------------------------------------------------===// |
| 904 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 905 | private: |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 906 | Action::ExprResult CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 907 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
| 908 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 909 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
Eli Friedman | 6cfda23 | 2008-05-20 08:23:37 +0000 | [diff] [blame] | 910 | bool SemaBuiltinStackAddress(CallExpr *TheCall); |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 911 | Action::ExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 912 | void CheckPrintfArguments(CallExpr *TheCall, |
| 913 | bool HasVAListArg, unsigned format_idx); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 914 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 915 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 916 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 917 | }; |
| 918 | |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 919 | class InitListChecker { |
| 920 | Sema *SemaRef; |
| 921 | bool hadError; |
| 922 | |
| 923 | void CheckImplicitInitList(InitListExpr *ParentIList, QualType T, |
| 924 | unsigned &Index); |
Steve Naroff | a647caa | 2008-05-06 00:23:44 +0000 | [diff] [blame] | 925 | void CheckExplicitInitList(InitListExpr *IList, QualType &T, |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 926 | unsigned &Index); |
| 927 | |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 928 | void CheckListElementTypes(InitListExpr *IList, QualType &DeclType, |
| 929 | unsigned &Index); |
| 930 | void CheckSubElementType(InitListExpr *IList, QualType ElemType, |
| 931 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 932 | // FIXME: Does DeclType need to be a reference type? |
| 933 | void CheckScalarType(InitListExpr *IList, QualType &DeclType, |
| 934 | unsigned &Index); |
| 935 | void CheckVectorType(InitListExpr *IList, QualType DeclType, unsigned &Index); |
| 936 | void CheckStructUnionTypes(InitListExpr *IList, QualType DeclType, |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 937 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 938 | void CheckArrayType(InitListExpr *IList, QualType &DeclType, unsigned &Index); |
| 939 | |
| 940 | int numArrayElements(QualType DeclType); |
| 941 | int numStructUnionElements(QualType DeclType); |
| 942 | public: |
| 943 | InitListChecker(Sema *S, InitListExpr *IL, QualType &T); |
| 944 | bool HadError() { return hadError; } |
| 945 | }; |
| 946 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 947 | |
| 948 | } // end namespace clang |
| 949 | |
| 950 | #endif |