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 | // |
| 5 | // This file was developed by Chris Lattner and is distributed under |
| 6 | // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| 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 | |
| 18 | #include "clang/Parse/Action.h" |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 19 | #include "llvm/ADT/SmallVector.h" |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 20 | #include "llvm/ADT/DenseSet.h" |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 21 | #include "llvm/ADT/SmallPtrSet.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 22 | #include <vector> |
| 23 | #include <string> |
| 24 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 25 | namespace llvm { |
| 26 | class APSInt; |
| 27 | } |
| 28 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 29 | namespace clang { |
| 30 | class ASTContext; |
| 31 | class Preprocessor; |
| 32 | class Decl; |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 33 | class ScopedDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 34 | class Expr; |
Steve Naroff | 6f9f307 | 2007-09-02 15:34:30 +0000 | [diff] [blame] | 35 | class InitListExpr; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 36 | class VarDecl; |
| 37 | class ParmVarDecl; |
| 38 | class TypedefDecl; |
| 39 | class FunctionDecl; |
| 40 | class QualType; |
Chris Lattner | 701e5eb | 2007-09-04 02:45:27 +0000 | [diff] [blame] | 41 | struct LangOptions; |
| 42 | struct DeclaratorChunk; |
Chris Lattner | d217773 | 2007-07-20 16:59:19 +0000 | [diff] [blame] | 43 | class Token; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 44 | class IntegerLiteral; |
| 45 | class ArrayType; |
| 46 | class LabelStmt; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 47 | class SwitchStmt; |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 48 | class OCUVectorType; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 49 | class TypedefDecl; |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 50 | class ObjcInterfaceDecl; |
Fariborz Jahanian | 1b6351f | 2007-09-29 17:04:06 +0000 | [diff] [blame] | 51 | class ObjcProtocolDecl; |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 52 | class ObjcImplementationDecl; |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 53 | class ObjcCategoryImplDecl; |
| 54 | class ObjcCategoryDecl; |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 55 | class ObjcIvarDecl; |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 56 | class ObjcMethodDecl; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 57 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 58 | /// Sema - This implements semantic analysis and AST building for C. |
| 59 | class Sema : public Action { |
| 60 | Preprocessor &PP; |
| 61 | |
| 62 | ASTContext &Context; |
| 63 | |
| 64 | /// CurFunctionDecl - If inside of a function body, this contains a pointer to |
| 65 | /// the function decl for the function being parsed. |
| 66 | FunctionDecl *CurFunctionDecl; |
| 67 | |
| 68 | /// LastInGroupList - This vector is populated when there are multiple |
| 69 | /// declarators in a single decl group (e.g. "int A, B, C"). In this case, |
| 70 | /// all but the last decl will be entered into this. This is used by the |
| 71 | /// ASTStreamer. |
| 72 | std::vector<Decl*> &LastInGroupList; |
| 73 | |
| 74 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 75 | /// it (which acts like the label decl in some ways). Forward referenced |
| 76 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 77 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 78 | |
| 79 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 80 | |
| 81 | /// OCUVectorDecls - This is a list all the OCU vector types. This allows |
| 82 | /// us to associate a raw vector type with one of the OCU type names. |
| 83 | /// This is only necessary for issuing pretty diagnostics. |
| 84 | llvm::SmallVector<TypedefDecl*, 24> OCUVectorDecls; |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 85 | |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 86 | /// ObjcImplementations - Keep track of all of the classes with |
| 87 | /// @implementation's, so that we can emit errors on duplicates. |
| 88 | llvm::SmallPtrSet<IdentifierInfo*, 8> ObjcImplementations; |
| 89 | |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 90 | /// ObjcProtocols - Keep track of all protocol declarations declared |
| 91 | /// with @protocol keyword, so that we can emit errors on duplicates and |
Chris Lattner | 4de884d | 2007-10-09 18:18:24 +0000 | [diff] [blame] | 92 | /// find the declarations when needed. |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 93 | llvm::DenseMap<IdentifierInfo*, ObjcProtocolDecl*> ObjcProtocols; |
| 94 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 95 | // Enum values used by KnownFunctionIDs (see below). |
| 96 | enum { |
| 97 | id_printf, |
| 98 | id_fprintf, |
| 99 | id_sprintf, |
| 100 | id_snprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 101 | id_asprintf, |
Ted Kremenek | e0eb80a | 2007-08-10 21:13:51 +0000 | [diff] [blame] | 102 | id_vsnprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 103 | id_vasprintf, |
| 104 | id_vfprintf, |
| 105 | id_vsprintf, |
| 106 | id_vprintf, |
| 107 | id_num_known_functions |
| 108 | }; |
| 109 | |
| 110 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 111 | /// of known functions used by the semantic analysis to do various |
| 112 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 113 | /// This list is populated upon the creation of a Sema object. |
| 114 | IdentifierInfo* KnownFunctionIDs[ id_num_known_functions ]; |
| 115 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 116 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 117 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 118 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 119 | Scope *TUScope; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 120 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 121 | /// ObjCMethodList - a linked list of methods with different signatures. |
| 122 | struct ObjcMethodList { |
| 123 | ObjcMethodDecl *Method; |
| 124 | ObjcMethodList *Next; |
| 125 | |
| 126 | ObjcMethodList() { |
| 127 | Method = 0; |
| 128 | Next = 0; |
| 129 | } |
| 130 | ObjcMethodList(ObjcMethodDecl *M, ObjcMethodList *C) { |
| 131 | Method = M; |
| 132 | Next = C; |
| 133 | } |
| 134 | }; |
| 135 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 136 | /// messages to "id". We need to maintain a list, since selectors can have |
| 137 | /// differing signatures across classes. In Cocoa, this happens to be |
| 138 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
| 139 | llvm::DenseMap<Selector, ObjcMethodList> InstanceMethodPool; |
| 140 | llvm::DenseMap<Selector, ObjcMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 141 | public: |
| 142 | Sema(Preprocessor &pp, ASTContext &ctxt, std::vector<Decl*> &prevInGroup); |
| 143 | |
| 144 | const LangOptions &getLangOptions() const; |
| 145 | |
| 146 | /// The primitive diagnostic helpers - always returns true, which simplifies |
| 147 | /// error handling (i.e. less code). |
| 148 | bool Diag(SourceLocation Loc, unsigned DiagID); |
| 149 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg); |
| 150 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 151 | const std::string &Msg2); |
| 152 | |
| 153 | /// More expressive diagnostic helpers for expressions (say that 6 times:-) |
| 154 | bool Diag(SourceLocation Loc, unsigned DiagID, SourceRange R1); |
| 155 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 156 | SourceRange R1, SourceRange R2); |
| 157 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 158 | SourceRange R1); |
| 159 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 160 | SourceRange R1, SourceRange R2); |
| 161 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 162 | const std::string &Msg2, SourceRange R1); |
| 163 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 164 | const std::string &Msg1, const std::string &Msg2, |
| 165 | SourceRange R1, SourceRange R2); |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 166 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 167 | virtual void DeleteExpr(ExprTy *E); |
| 168 | virtual void DeleteStmt(StmtTy *S); |
| 169 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 170 | //===--------------------------------------------------------------------===// |
| 171 | // Type Analysis / Processing: SemaType.cpp. |
| 172 | // |
| 173 | QualType GetTypeForDeclarator(Declarator &D, Scope *S); |
| 174 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 175 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 176 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 177 | virtual TypeResult ActOnParamDeclaratorType(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 178 | private: |
| 179 | //===--------------------------------------------------------------------===// |
| 180 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 181 | // |
| 182 | virtual DeclTy *isTypeName(const IdentifierInfo &II, Scope *S) const; |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 183 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup); |
Steve Naroff | bb20469 | 2007-09-12 14:07:44 +0000 | [diff] [blame] | 184 | void AddInitializerToDecl(DeclTy *dcl, ExprTy *init); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 185 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 186 | |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 187 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
| 188 | virtual DeclTy *ActOnFunctionDefBody(DeclTy *Decl, StmtTy *Body); |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 189 | |
| 190 | /// Scope actions. |
| 191 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 192 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 193 | |
| 194 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 195 | /// no declarator (e.g. "struct foo;") is parsed. |
| 196 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| 197 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 198 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 199 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 200 | SourceLocation NameLoc, AttributeList *Attr); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 201 | virtual DeclTy *ActOnField(Scope *S, DeclTy *TagDecl,SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 202 | Declarator &D, ExprTy *BitfieldWidth); |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 203 | |
| 204 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 205 | virtual void ActOnFields(Scope* S, |
| 206 | SourceLocation RecLoc, DeclTy *TagDecl, |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 207 | DeclTy **Fields, unsigned NumFields, |
| 208 | tok::ObjCKeywordKind *visibility = 0); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 209 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 210 | DeclTy *LastEnumConstant, |
| 211 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 212 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 213 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 214 | DeclTy **Elements, unsigned NumElements); |
| 215 | private: |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 216 | /// Subroutines of ActOnDeclarator()... |
Steve Naroff | 9474504 | 2007-09-13 23:52:58 +0000 | [diff] [blame] | 217 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, ScopedDecl *LastDecl); |
Steve Naroff | 8e74c93 | 2007-09-13 21:41:19 +0000 | [diff] [blame] | 218 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, ScopedDecl *Old); |
| 219 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, ScopedDecl *Old); |
| 220 | VarDecl *MergeVarDecl(VarDecl *New, ScopedDecl *Old); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 221 | /// AddTopLevelDecl - called after the decl has been fully processed. |
| 222 | /// Allows for bookkeeping and post-processing of each declaration. |
| 223 | void AddTopLevelDecl(Decl *current, Decl *last); |
| 224 | |
| 225 | /// More parsing and symbol table subroutines... |
| 226 | ParmVarDecl *ParseParamDeclarator(DeclaratorChunk &FI, unsigned ArgNo, |
| 227 | Scope *FnBodyScope); |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 228 | ScopedDecl *LookupScopedDecl(IdentifierInfo *II, unsigned NSI, |
Fariborz Jahanian | 4cabdfc | 2007-10-12 19:38:20 +0000 | [diff] [blame] | 229 | SourceLocation IdLoc, Scope *S); |
| 230 | ScopedDecl *LookupInterfaceDecl(IdentifierInfo *II); |
Steve Naroff | 6a8a9a4 | 2007-10-02 20:01:56 +0000 | [diff] [blame] | 231 | ObjcInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 232 | ScopedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, Scope *S); |
Steve Naroff | 8c9f13e | 2007-09-16 16:16:00 +0000 | [diff] [blame] | 233 | ScopedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 234 | Scope *S); |
| 235 | // Decl attributes - this routine is the top level dispatcher. |
| 236 | void HandleDeclAttributes(Decl *New, AttributeList *declspec_prefix, |
| 237 | AttributeList *declarator_postfix); |
| 238 | void HandleDeclAttribute(Decl *New, AttributeList *rawAttr); |
| 239 | |
| 240 | // HandleVectorTypeAttribute - this attribute is only applicable to |
| 241 | // integral and float scalars, although arrays, pointers, and function |
| 242 | // return values are allowed in conjunction with this construct. Aggregates |
| 243 | // with this attribute are invalid, even if they are of the same size as a |
| 244 | // corresponding scalar. |
| 245 | // The raw attribute should contain precisely 1 argument, the vector size |
| 246 | // for the variable, measured in bytes. If curType and rawAttr are well |
| 247 | // formed, this routine will return a new vector type. |
| 248 | QualType HandleVectorTypeAttribute(QualType curType, AttributeList *rawAttr); |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 249 | void HandleOCUVectorTypeAttribute(TypedefDecl *d, AttributeList *rawAttr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 250 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 251 | /// CheckProtocolMethodDefs - This routine checks unimpletented methods |
| 252 | /// Declared in protocol, and those referenced by it. |
| 253 | void CheckProtocolMethodDefs(ObjcProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 254 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 255 | const llvm::DenseSet<Selector> &InsMap, |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 256 | const llvm::DenseSet<Selector> &ClsMap); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 257 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 258 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 259 | /// listed in the implelementation match those listed in the interface. |
| 260 | void CheckImplementationIvars(ObjcImplementationDecl *ImpDecl, |
| 261 | ObjcIvarDecl **Fields, unsigned nIvars); |
| 262 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 263 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 264 | /// remains unimplemented in the @implementation class. |
| 265 | void ImplMethodsVsClassMethods(ObjcImplementationDecl* IMPDecl, |
| 266 | ObjcInterfaceDecl* IDecl); |
| 267 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 268 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 269 | /// category interface is implemented in the category @implementation. |
| 270 | void ImplCategoryMethodsVsIntfMethods(ObjcCategoryImplDecl *CatImplDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 271 | ObjcCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 272 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 273 | /// true, or false, accordingly. |
| 274 | bool MatchTwoMethodDeclarations(const ObjcMethodDecl *Method, |
| 275 | const ObjcMethodDecl *PrevMethod); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 276 | |
| 277 | /// GetObjcIdType - Getter for the build-in "id" type. |
Steve Naroff | e21b573 | 2007-10-10 23:24:43 +0000 | [diff] [blame] | 278 | QualType GetObjcIdType(SourceLocation Loc = SourceLocation()); |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 279 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 280 | /// GetObjcSelType - Getter for the build-in "SEL" type. |
| 281 | QualType GetObjcSelType(SourceLocation Loc = SourceLocation()); |
| 282 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 283 | /// GetObjcSelType - Getter for the build-in "Protocol *" type. |
| 284 | QualType GetObjcProtoType(SourceLocation Loc = SourceLocation()); |
| 285 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 286 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 287 | /// unit are added to a global pool. This allows us to efficiently associate |
| 288 | /// a selector with a method declaraation for purposes of typechecking |
| 289 | /// messages sent to "id" (where the class of the object is unknown). |
| 290 | void AddInstanceMethodToGlobalPool(ObjcMethodDecl *Method); |
| 291 | |
| 292 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
| 293 | void AddFactoryMethodToGlobalPool(ObjcMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 294 | //===--------------------------------------------------------------------===// |
| 295 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 296 | public: |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 297 | virtual StmtResult ActOnExprStmt(ExprTy *Expr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 298 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 299 | virtual StmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 300 | virtual StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
Chris Lattner | 98414c1 | 2007-08-31 21:49:55 +0000 | [diff] [blame] | 301 | StmtTy **Elts, unsigned NumElts, |
| 302 | bool isStmtExpr); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 303 | virtual StmtResult ActOnDeclStmt(DeclTy *Decl); |
| 304 | virtual StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprTy *LHSVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 305 | SourceLocation DotDotDotLoc, ExprTy *RHSVal, |
| 306 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 307 | virtual StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
Chris Lattner | 6c36be5 | 2007-07-18 02:28:47 +0000 | [diff] [blame] | 308 | SourceLocation ColonLoc, StmtTy *SubStmt, |
| 309 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 310 | virtual StmtResult ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 311 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 312 | virtual StmtResult ActOnIfStmt(SourceLocation IfLoc, ExprTy *CondVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 313 | StmtTy *ThenVal, SourceLocation ElseLoc, |
| 314 | StmtTy *ElseVal); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 315 | virtual StmtResult ActOnStartOfSwitchStmt(ExprTy *Cond); |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 316 | virtual StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 317 | StmtTy *Switch, ExprTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 318 | virtual StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprTy *Cond, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 319 | StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 320 | virtual StmtResult ActOnDoStmt(SourceLocation DoLoc, StmtTy *Body, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 321 | SourceLocation WhileLoc, ExprTy *Cond); |
| 322 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 323 | virtual StmtResult ActOnForStmt(SourceLocation ForLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 324 | SourceLocation LParenLoc, |
| 325 | StmtTy *First, ExprTy *Second, ExprTy *Third, |
| 326 | SourceLocation RParenLoc, StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 327 | virtual StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 328 | SourceLocation LabelLoc, |
| 329 | IdentifierInfo *LabelII); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 330 | virtual StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 331 | SourceLocation StarLoc, |
| 332 | ExprTy *DestExp); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 333 | virtual StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 334 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 335 | virtual StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 336 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 337 | virtual StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 338 | ExprTy *RetValExp); |
| 339 | |
Chris Lattner | fe79595 | 2007-10-29 04:04:16 +0000 | [diff] [blame^] | 340 | virtual StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
| 341 | SourceLocation RParenLoc); |
| 342 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 343 | //===--------------------------------------------------------------------===// |
| 344 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 345 | |
| 346 | // Primary Expressions. |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 347 | virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 348 | IdentifierInfo &II, |
| 349 | bool HasTrailingLParen); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 350 | virtual ExprResult ActOnPreDefinedExpr(SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 351 | tok::TokenKind Kind); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 352 | virtual ExprResult ActOnNumericConstant(const Token &); |
| 353 | virtual ExprResult ActOnCharacterConstant(const Token &); |
| 354 | virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 355 | ExprTy *Val); |
| 356 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 357 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 358 | /// fragments (e.g. "foo" "bar" L"baz"). |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 359 | virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 360 | |
| 361 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 362 | virtual ExprResult ActOnUnaryOp(SourceLocation OpLoc, tok::TokenKind Op, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 363 | ExprTy *Input); |
| 364 | virtual ExprResult |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 365 | ActOnSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 366 | SourceLocation LParenLoc, TypeTy *Ty, |
| 367 | SourceLocation RParenLoc); |
| 368 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 369 | virtual ExprResult ActOnPostfixUnaryOp(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 370 | tok::TokenKind Kind, ExprTy *Input); |
| 371 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 372 | virtual ExprResult ActOnArraySubscriptExpr(ExprTy *Base, SourceLocation LLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 373 | ExprTy *Idx, SourceLocation RLoc); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 374 | virtual ExprResult ActOnMemberReferenceExpr(ExprTy *Base,SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 375 | tok::TokenKind OpKind, |
| 376 | SourceLocation MemberLoc, |
| 377 | IdentifierInfo &Member); |
| 378 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 379 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 380 | /// This provides the location of the left/right parens and a list of comma |
| 381 | /// locations. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 382 | virtual ExprResult ActOnCallExpr(ExprTy *Fn, SourceLocation LParenLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 383 | ExprTy **Args, unsigned NumArgs, |
| 384 | SourceLocation *CommaLocs, |
| 385 | SourceLocation RParenLoc); |
| 386 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 387 | virtual ExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 388 | SourceLocation RParenLoc, ExprTy *Op); |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 389 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 390 | virtual ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, TypeTy *Ty, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 391 | SourceLocation RParenLoc, ExprTy *Op); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 392 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 393 | virtual ExprResult ActOnInitList(SourceLocation LParenLoc, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 394 | ExprTy **InitList, unsigned NumInit, |
| 395 | SourceLocation RParenLoc); |
| 396 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 397 | virtual ExprResult ActOnBinOp(SourceLocation TokLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 398 | ExprTy *LHS,ExprTy *RHS); |
| 399 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 400 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 401 | /// in the case of a the GNU conditional expr extension. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 402 | virtual ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 403 | SourceLocation ColonLoc, |
| 404 | ExprTy *Cond, ExprTy *LHS, ExprTy *RHS); |
| 405 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 406 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 407 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 408 | IdentifierInfo *LabelII); |
| 409 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 410 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 411 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 412 | |
| 413 | /// __builtin_offsetof(type, a.b[123][456].c) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 414 | virtual ExprResult ActOnBuiltinOffsetOf(SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 415 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 416 | OffsetOfComponent *CompPtr, |
| 417 | unsigned NumComponents, |
| 418 | SourceLocation RParenLoc); |
| 419 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 420 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 421 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 422 | TypeTy *arg1, TypeTy *arg2, |
| 423 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 424 | |
| 425 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 426 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 427 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 428 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 429 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 430 | // __builtin_va_arg(expr, type) |
| 431 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 432 | ExprTy *expr, TypeTy *type, |
| 433 | SourceLocation RPLoc); |
| 434 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 435 | /// ActOnCXXCasts - Parse {dynamic,static,reinterpret,const}_cast's. |
| 436 | virtual ExprResult ActOnCXXCasts(SourceLocation OpLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 437 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 438 | SourceLocation RAngleBracketLoc, |
| 439 | SourceLocation LParenLoc, ExprTy *E, |
| 440 | SourceLocation RParenLoc); |
| 441 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 442 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 443 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 444 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 445 | |
| 446 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
| 447 | virtual ExprResult ParseObjCStringLiteral(ExprTy *string); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 448 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 449 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 450 | SourceLocation LParenLoc, |
| 451 | TypeTy *Ty, |
| 452 | SourceLocation RParenLoc); |
| 453 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 454 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 455 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 456 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 457 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 458 | SourceLocation LParenLoc, |
| 459 | SourceLocation RParenLoc); |
| 460 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 461 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 462 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 463 | SourceLocation AtLoc, |
| 464 | SourceLocation ProtoLoc, |
| 465 | SourceLocation LParenLoc, |
| 466 | SourceLocation RParenLoc); |
| 467 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 468 | // Objective-C declarations. |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 469 | virtual DeclTy *ActOnStartClassInterface( |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 470 | SourceLocation AtInterafceLoc, |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 471 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 472 | IdentifierInfo *SuperName, SourceLocation SuperLoc, |
| 473 | IdentifierInfo **ProtocolNames, unsigned NumProtocols, |
| 474 | AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 475 | |
| 476 | virtual DeclTy *ActOnCompatiblityAlias( |
| 477 | SourceLocation AtCompatibilityAliasLoc, |
| 478 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 479 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 480 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 481 | virtual DeclTy *ActOnStartProtocolInterface( |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 482 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 483 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
| 484 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs); |
| 485 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 486 | virtual DeclTy *ActOnStartCategoryInterface( |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 487 | SourceLocation AtInterfaceLoc, |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 488 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 489 | IdentifierInfo *CategoryName, SourceLocation CategoryLoc, |
| 490 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs); |
| 491 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 492 | virtual DeclTy *ActOnStartClassImplementation( |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 493 | SourceLocation AtClassImplLoc, |
| 494 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 495 | IdentifierInfo *SuperClassname, |
| 496 | SourceLocation SuperClassLoc); |
| 497 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 498 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 499 | SourceLocation AtCatImplLoc, |
| 500 | IdentifierInfo *ClassName, |
| 501 | SourceLocation ClassLoc, |
| 502 | IdentifierInfo *CatName, |
| 503 | SourceLocation CatLoc); |
| 504 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 505 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 506 | IdentifierInfo **IdentList, |
| 507 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 508 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 509 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 510 | IdentifierInfo **IdentList, |
| 511 | unsigned NumElts); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 512 | |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 513 | virtual void FindProtocolDeclaration(SourceLocation TypeLoc, |
| 514 | IdentifierInfo **ProtocolId, |
| 515 | unsigned NumProtocols, |
| 516 | llvm::SmallVector<DeclTy *, 8> & |
| 517 | Protocols); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 518 | |
Steve Naroff | 3a165b0 | 2007-10-03 21:00:46 +0000 | [diff] [blame] | 519 | virtual void ActOnAddMethodsToObjcDecl(Scope* S, DeclTy *ClassDecl, |
| 520 | DeclTy **allMethods, unsigned allNum); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 521 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 522 | virtual DeclTy *ActOnMethodDeclaration( |
| 523 | SourceLocation BeginLoc, // location of the + or -. |
| 524 | SourceLocation EndLoc, // location of the ; or {. |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 525 | tok::TokenKind MethodType, TypeTy *ReturnType, Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 526 | // optional arguments. The number of types/arguments is obtained |
| 527 | // from the Sel.getNumArgs(). |
| 528 | TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
| 529 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 530 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 531 | // ActOnClassMessage - used for both unary and keyword messages. |
| 532 | // ArgExprs is optional - if it is present, the number of expressions |
| 533 | // is obtained from Sel.getNumArgs(). |
| 534 | virtual ExprResult ActOnClassMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 535 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 536 | SourceLocation lbrac, SourceLocation rbrac, ExprTy **ArgExprs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 537 | |
| 538 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 539 | // ArgExprs is optional - if it is present, the number of expressions |
| 540 | // is obtained from Sel.getNumArgs(). |
| 541 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 542 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 543 | SourceLocation lbrac, SourceLocation rbrac, ExprTy **ArgExprs); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 544 | private: |
| 545 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 546 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 547 | void UsualUnaryConversions(Expr *&expr); |
| 548 | |
| 549 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 550 | // to their respective pointers (C99 6.3.2.1). |
| 551 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 552 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 553 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 554 | // do not have a prototype. Integer promotions are performed on each |
| 555 | // argument, and arguments that have type float are promoted to double. |
| 556 | void DefaultArgumentPromotion(Expr *&expr); |
| 557 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 558 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 559 | // operands and then handles various conversions that are common to binary |
| 560 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 561 | // routine returns the first non-arithmetic type found. The client is |
| 562 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 563 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 564 | bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 565 | enum AssignmentCheckResult { |
| 566 | Compatible, |
| 567 | Incompatible, |
| 568 | PointerFromInt, |
| 569 | IntFromPointer, |
| 570 | IncompatiblePointer, |
| 571 | CompatiblePointerDiscardsQualifiers |
| 572 | }; |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 573 | // CheckAssignmentConstraints - Perform type checking for assignment, |
| 574 | // argument passing, variable initialization, and function return values. |
| 575 | // This routine is only used by the following two methods. C99 6.5.16. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 576 | AssignmentCheckResult CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 577 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 578 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 579 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 580 | // this routine performs the default function/array converions. |
| 581 | AssignmentCheckResult CheckSingleAssignmentConstraints(QualType lhs, |
| 582 | Expr *&rExpr); |
| 583 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 584 | // conversions. For compound assignments, the "Check...Operands" methods |
| 585 | // perform the necessary conversions. |
| 586 | AssignmentCheckResult CheckCompoundAssignmentConstraints(QualType lhs, |
| 587 | QualType rhs); |
| 588 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 589 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
| 590 | AssignmentCheckResult CheckPointerTypesForAssignment(QualType lhsType, |
| 591 | QualType rhsType); |
| 592 | |
| 593 | /// the following "Check" methods will return a valid/converted QualType |
| 594 | /// or a null QualType (indicating an error diagnostic was issued). |
| 595 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 596 | /// type checking binary operators (subroutines of ActOnBinOp). |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 597 | inline void InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
| 598 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 599 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 600 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 601 | inline QualType CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 602 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 603 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 604 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 605 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 606 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 607 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 608 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 609 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 610 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 611 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 612 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 613 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 614 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 615 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 616 | // For simple assignment, pass both expressions and a null converted type. |
| 617 | // For compound assignment, pass both expressions and the converted type. |
| 618 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 619 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 620 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 621 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 622 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 623 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 624 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 625 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 626 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| 627 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc); |
| 628 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 629 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
| 630 | QualType CheckSizeOfAlignOfOperand(QualType type, SourceLocation loc, |
| 631 | bool isSizeof); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 632 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 633 | |
| 634 | /// type checking primary expressions. |
| 635 | QualType CheckOCUVectorComponent(QualType baseType, SourceLocation OpLoc, |
| 636 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 637 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 638 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | 9e8925e | 2007-09-04 14:36:54 +0000 | [diff] [blame] | 639 | bool CheckInitializer(Expr *&simpleInit_or_initList, QualType &declType, |
Steve Naroff | d35005e | 2007-09-03 01:24:23 +0000 | [diff] [blame] | 640 | bool isStatic); |
Anders Carlsson | 1a86b33 | 2007-10-17 00:52:43 +0000 | [diff] [blame] | 641 | bool CheckSingleInitializer(Expr *&simpleInit, bool isStatic, |
| 642 | QualType declType); |
Steve Naroff | 9e8925e | 2007-09-04 14:36:54 +0000 | [diff] [blame] | 643 | bool CheckInitExpr(Expr *expr, InitListExpr *IList, unsigned slot, |
| 644 | bool isStatic, QualType ElementType); |
Steve Naroff | 371227d | 2007-09-04 02:20:04 +0000 | [diff] [blame] | 645 | void CheckVariableInitList(QualType DeclType, InitListExpr *IList, |
| 646 | QualType ElementType, bool isStatic, |
| 647 | int &nInitializers, bool &hadError); |
| 648 | void CheckConstantInitList(QualType DeclType, InitListExpr *IList, |
| 649 | QualType ElementType, bool isStatic, |
| 650 | int &nInitializers, bool &hadError); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 651 | |
| 652 | // returns true if there were any incompatible arguments. |
| 653 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, |
| 654 | ObjcMethodDecl *Method); |
| 655 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 656 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 657 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 658 | /// the specified diagnostic. |
| 659 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 660 | unsigned NewWidth, bool NewSign, |
| 661 | SourceLocation Loc, unsigned DiagID); |
| 662 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 663 | void InitBuiltinVaListType(); |
| 664 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 665 | //===--------------------------------------------------------------------===// |
| 666 | // Extra semantic analysis beyond the C type system |
| 667 | private: |
| 668 | |
Anders Carlsson | 71993dd | 2007-08-17 05:31:46 +0000 | [diff] [blame] | 669 | bool CheckFunctionCall(Expr *Fn, |
Ted Kremenek | 71895b9 | 2007-08-14 17:39:48 +0000 | [diff] [blame] | 670 | SourceLocation LParenLoc, SourceLocation RParenLoc, |
| 671 | FunctionDecl *FDecl, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 672 | Expr** Args, unsigned NumArgsInCall); |
| 673 | |
Ted Kremenek | 71895b9 | 2007-08-14 17:39:48 +0000 | [diff] [blame] | 674 | void CheckPrintfArguments(Expr *Fn, |
| 675 | SourceLocation LParenLoc, SourceLocation RParenLoc, |
| 676 | bool HasVAListArg, FunctionDecl *FDecl, |
Ted Kremenek | 8207710 | 2007-08-10 21:21:05 +0000 | [diff] [blame] | 677 | unsigned format_idx, Expr** Args, |
| 678 | unsigned NumArgsInCall); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 679 | |
| 680 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 681 | SourceLocation ReturnLoc); |
| 682 | |
Anders Carlsson | 71993dd | 2007-08-17 05:31:46 +0000 | [diff] [blame] | 683 | |
| 684 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 685 | }; |
| 686 | |
| 687 | |
| 688 | } // end namespace clang |
| 689 | |
| 690 | #endif |