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 | |
| 18 | #include "clang/Parse/Action.h" |
Steve Naroff | 6649992 | 2007-11-12 03:44:46 +0000 | [diff] [blame] | 19 | #include "clang/Parse/DeclSpec.h" |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 20 | #include "llvm/ADT/SmallVector.h" |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 21 | #include "llvm/ADT/DenseSet.h" |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 22 | #include "llvm/ADT/SmallPtrSet.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 23 | #include <vector> |
| 24 | #include <string> |
| 25 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 26 | namespace llvm { |
| 27 | class APSInt; |
| 28 | } |
| 29 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 30 | namespace clang { |
| 31 | class ASTContext; |
| 32 | class Preprocessor; |
| 33 | class Decl; |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 34 | class ScopedDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 35 | class Expr; |
Steve Naroff | 6f9f307 | 2007-09-02 15:34:30 +0000 | [diff] [blame] | 36 | class InitListExpr; |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 37 | class CallExpr; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 38 | class VarDecl; |
| 39 | class ParmVarDecl; |
| 40 | class TypedefDecl; |
| 41 | class FunctionDecl; |
| 42 | class QualType; |
Chris Lattner | 701e5eb | 2007-09-04 02:45:27 +0000 | [diff] [blame] | 43 | struct LangOptions; |
Chris Lattner | d217773 | 2007-07-20 16:59:19 +0000 | [diff] [blame] | 44 | class Token; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 45 | class IntegerLiteral; |
| 46 | class ArrayType; |
| 47 | class LabelStmt; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 48 | class SwitchStmt; |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 49 | class OCUVectorType; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 50 | class TypedefDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 51 | class ObjCInterfaceDecl; |
| 52 | class ObjCProtocolDecl; |
| 53 | class ObjCImplementationDecl; |
| 54 | class ObjCCategoryImplDecl; |
| 55 | class ObjCCategoryDecl; |
| 56 | class ObjCIvarDecl; |
| 57 | class ObjCMethodDecl; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 58 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 59 | /// Sema - This implements semantic analysis and AST building for C. |
| 60 | class Sema : public Action { |
| 61 | Preprocessor &PP; |
| 62 | |
| 63 | ASTContext &Context; |
| 64 | |
| 65 | /// CurFunctionDecl - If inside of a function body, this contains a pointer to |
| 66 | /// the function decl for the function being parsed. |
| 67 | FunctionDecl *CurFunctionDecl; |
Steve Naroff | 0330071 | 2007-11-12 13:56:41 +0000 | [diff] [blame] | 68 | |
| 69 | /// CurMethodDecl - If inside of a method body, this contains a pointer to |
| 70 | /// the method decl for the method being parsed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 71 | ObjCMethodDecl *CurMethodDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 72 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 73 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 74 | /// it (which acts like the label decl in some ways). Forward referenced |
| 75 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 76 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 77 | |
| 78 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 79 | |
| 80 | /// OCUVectorDecls - This is a list all the OCU vector types. This allows |
| 81 | /// us to associate a raw vector type with one of the OCU type names. |
| 82 | /// This is only necessary for issuing pretty diagnostics. |
| 83 | llvm::SmallVector<TypedefDecl*, 24> OCUVectorDecls; |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 84 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 85 | /// ObjCImplementations - Keep track of all of the classes with |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 86 | /// @implementation's, so that we can emit errors on duplicates. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 87 | llvm::DenseMap<IdentifierInfo*, ObjCImplementationDecl*> ObjCImplementations; |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 88 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 89 | /// ObjCProtocols - Keep track of all protocol declarations declared |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 90 | /// with @protocol keyword, so that we can emit errors on duplicates and |
Chris Lattner | 4de884d | 2007-10-09 18:18:24 +0000 | [diff] [blame] | 91 | /// find the declarations when needed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 92 | llvm::DenseMap<IdentifierInfo*, ObjCProtocolDecl*> ObjCProtocols; |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 93 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 94 | // Enum values used by KnownFunctionIDs (see below). |
| 95 | enum { |
| 96 | id_printf, |
| 97 | id_fprintf, |
| 98 | id_sprintf, |
| 99 | id_snprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 100 | id_asprintf, |
Ted Kremenek | e0eb80a | 2007-08-10 21:13:51 +0000 | [diff] [blame] | 101 | id_vsnprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 102 | id_vasprintf, |
| 103 | id_vfprintf, |
| 104 | id_vsprintf, |
| 105 | id_vprintf, |
| 106 | id_num_known_functions |
| 107 | }; |
| 108 | |
| 109 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 110 | /// of known functions used by the semantic analysis to do various |
| 111 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 112 | /// This list is populated upon the creation of a Sema object. |
| 113 | IdentifierInfo* KnownFunctionIDs[ id_num_known_functions ]; |
| 114 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 115 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 116 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 117 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 118 | Scope *TUScope; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 119 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 120 | /// ObjCMethodList - a linked list of methods with different signatures. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 121 | struct ObjCMethodList { |
| 122 | ObjCMethodDecl *Method; |
| 123 | ObjCMethodList *Next; |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 124 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 125 | ObjCMethodList() { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 126 | Method = 0; |
| 127 | Next = 0; |
| 128 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 129 | ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 130 | Method = M; |
| 131 | Next = C; |
| 132 | } |
| 133 | }; |
| 134 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 135 | /// messages to "id". We need to maintain a list, since selectors can have |
| 136 | /// differing signatures across classes. In Cocoa, this happens to be |
| 137 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 138 | llvm::DenseMap<Selector, ObjCMethodList> InstanceMethodPool; |
| 139 | llvm::DenseMap<Selector, ObjCMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 140 | public: |
Steve Naroff | 89307ff | 2007-11-29 23:05:20 +0000 | [diff] [blame] | 141 | Sema(Preprocessor &pp, ASTContext &ctxt); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 142 | |
| 143 | const LangOptions &getLangOptions() const; |
| 144 | |
| 145 | /// The primitive diagnostic helpers - always returns true, which simplifies |
| 146 | /// error handling (i.e. less code). |
| 147 | bool Diag(SourceLocation Loc, unsigned DiagID); |
| 148 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg); |
| 149 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 150 | const std::string &Msg2); |
| 151 | |
| 152 | /// More expressive diagnostic helpers for expressions (say that 6 times:-) |
| 153 | bool Diag(SourceLocation Loc, unsigned DiagID, SourceRange R1); |
| 154 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 155 | SourceRange R1, SourceRange R2); |
| 156 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 157 | SourceRange R1); |
| 158 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 159 | SourceRange R1, SourceRange R2); |
| 160 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 161 | const std::string &Msg2, SourceRange R1); |
Chris Lattner | 4667ac3 | 2008-01-03 23:38:43 +0000 | [diff] [blame] | 162 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 163 | const std::string &Msg2, const std::string &Msg3, SourceRange R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 164 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 165 | const std::string &Msg1, const std::string &Msg2, |
| 166 | SourceRange R1, SourceRange R2); |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 167 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 168 | virtual void DeleteExpr(ExprTy *E); |
| 169 | virtual void DeleteStmt(StmtTy *S); |
| 170 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 171 | //===--------------------------------------------------------------------===// |
| 172 | // Type Analysis / Processing: SemaType.cpp. |
| 173 | // |
| 174 | QualType GetTypeForDeclarator(Declarator &D, Scope *S); |
| 175 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 176 | QualType ObjCGetTypeForMethodDefinition(DeclTy *D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 177 | |
| 178 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 179 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 180 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 181 | virtual TypeResult ActOnParamDeclaratorType(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 182 | private: |
| 183 | //===--------------------------------------------------------------------===// |
| 184 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 185 | // |
| 186 | virtual DeclTy *isTypeName(const IdentifierInfo &II, Scope *S) const; |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 187 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup); |
Steve Naroff | bb20469 | 2007-09-12 14:07:44 +0000 | [diff] [blame] | 188 | void AddInitializerToDecl(DeclTy *dcl, ExprTy *init); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 189 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 190 | |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 191 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 192 | virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D); |
Steve Naroff | d6d054d | 2007-11-11 23:20:51 +0000 | [diff] [blame] | 193 | |
| 194 | virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtTy *Body); |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame^] | 195 | virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace, |
| 196 | SourceLocation RBrace, const char *Lang, |
| 197 | unsigned StrSize, DeclTy *D); |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 198 | |
| 199 | /// Scope actions. |
| 200 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 201 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 202 | |
| 203 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 204 | /// no declarator (e.g. "struct foo;") is parsed. |
| 205 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| 206 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 207 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 208 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 209 | SourceLocation NameLoc, AttributeList *Attr); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 210 | virtual DeclTy *ActOnField(Scope *S, DeclTy *TagDecl,SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 211 | Declarator &D, ExprTy *BitfieldWidth); |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 212 | |
| 213 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 214 | virtual void ActOnFields(Scope* S, |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 215 | SourceLocation RecLoc, DeclTy *TagDecl, |
| 216 | DeclTy **Fields, unsigned NumFields, |
| 217 | SourceLocation LBrac, SourceLocation RBrac, |
| 218 | tok::ObjCKeywordKind *visibility = 0); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 219 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 220 | DeclTy *LastEnumConstant, |
| 221 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 222 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 223 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 224 | DeclTy **Elements, unsigned NumElements); |
| 225 | private: |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 226 | /// Subroutines of ActOnDeclarator()... |
Chris Lattner | 41af093 | 2007-11-14 06:34:38 +0000 | [diff] [blame] | 227 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| 228 | ScopedDecl *LastDecl); |
Steve Naroff | 8e74c93 | 2007-09-13 21:41:19 +0000 | [diff] [blame] | 229 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, ScopedDecl *Old); |
| 230 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, ScopedDecl *Old); |
| 231 | VarDecl *MergeVarDecl(VarDecl *New, ScopedDecl *Old); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 232 | |
| 233 | /// More parsing and symbol table subroutines... |
Nate Begeman | bff5f5c | 2007-11-13 21:49:48 +0000 | [diff] [blame] | 234 | ParmVarDecl *ActOnParamDeclarator(struct DeclaratorChunk::ParamInfo &PI, |
Steve Naroff | 6649992 | 2007-11-12 03:44:46 +0000 | [diff] [blame] | 235 | Scope *FnBodyScope); |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 236 | ScopedDecl *LookupScopedDecl(IdentifierInfo *II, unsigned NSI, |
Fariborz Jahanian | 4cabdfc | 2007-10-12 19:38:20 +0000 | [diff] [blame] | 237 | SourceLocation IdLoc, Scope *S); |
| 238 | ScopedDecl *LookupInterfaceDecl(IdentifierInfo *II); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 239 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 240 | ScopedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, Scope *S); |
Steve Naroff | 8c9f13e | 2007-09-16 16:16:00 +0000 | [diff] [blame] | 241 | ScopedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 242 | Scope *S); |
| 243 | // Decl attributes - this routine is the top level dispatcher. |
| 244 | void HandleDeclAttributes(Decl *New, AttributeList *declspec_prefix, |
| 245 | AttributeList *declarator_postfix); |
| 246 | void HandleDeclAttribute(Decl *New, AttributeList *rawAttr); |
| 247 | |
| 248 | // HandleVectorTypeAttribute - this attribute is only applicable to |
| 249 | // integral and float scalars, although arrays, pointers, and function |
| 250 | // return values are allowed in conjunction with this construct. Aggregates |
| 251 | // with this attribute are invalid, even if they are of the same size as a |
| 252 | // corresponding scalar. |
| 253 | // The raw attribute should contain precisely 1 argument, the vector size |
| 254 | // for the variable, measured in bytes. If curType and rawAttr are well |
| 255 | // formed, this routine will return a new vector type. |
| 256 | QualType HandleVectorTypeAttribute(QualType curType, AttributeList *rawAttr); |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 257 | void HandleOCUVectorTypeAttribute(TypedefDecl *d, AttributeList *rawAttr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 258 | |
Anders Carlsson | 78aaae9 | 2007-12-19 07:19:40 +0000 | [diff] [blame] | 259 | void HandleAlignedAttribute(Decl *d, AttributeList *rawAttr); |
| 260 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 261 | /// CheckProtocolMethodDefs - This routine checks unimpletented methods |
| 262 | /// Declared in protocol, and those referenced by it. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 263 | void CheckProtocolMethodDefs(ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 264 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 265 | const llvm::DenseSet<Selector> &InsMap, |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 266 | const llvm::DenseSet<Selector> &ClsMap); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 267 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 268 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 269 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 270 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 271 | ObjCIvarDecl **Fields, unsigned nIvars, |
Fariborz Jahanian | 3a3ca1b | 2007-10-31 18:48:14 +0000 | [diff] [blame] | 272 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 273 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 274 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 275 | /// remains unimplemented in the @implementation class. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 276 | void ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl, |
| 277 | ObjCInterfaceDecl* IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 278 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 279 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 280 | /// category interface is implemented in the category @implementation. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 281 | void ImplCategoryMethodsVsIntfMethods(ObjCCategoryImplDecl *CatImplDecl, |
| 282 | ObjCCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 283 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 284 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 285 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
| 286 | const ObjCMethodDecl *PrevMethod); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 287 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 288 | /// isBuiltinObjCType - Returns true of the type is "id", "SEL", "Class" |
Fariborz Jahanian | 66c5dfc | 2007-12-07 00:18:54 +0000 | [diff] [blame] | 289 | /// or "Protocol". |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 290 | bool isBuiltinObjCType(TypedefDecl *TD); |
Fariborz Jahanian | 1f990d6 | 2008-01-04 00:27:46 +0000 | [diff] [blame] | 291 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 292 | /// isObjCObjectPointerType - Returns true if type is an objective-c pointer |
Fariborz Jahanian | 1f990d6 | 2008-01-04 00:27:46 +0000 | [diff] [blame] | 293 | /// to an object type; such as "id", "Class", Intf*, id<P>, etc. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 294 | bool isObjCObjectPointerType(QualType type) const; |
Anders Carlsson | 8baaca5 | 2007-10-31 02:53:19 +0000 | [diff] [blame] | 295 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 296 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 297 | /// unit are added to a global pool. This allows us to efficiently associate |
| 298 | /// a selector with a method declaraation for purposes of typechecking |
| 299 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 300 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 301 | |
| 302 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 303 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 304 | //===--------------------------------------------------------------------===// |
| 305 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 306 | public: |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 307 | virtual StmtResult ActOnExprStmt(ExprTy *Expr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 308 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 309 | virtual StmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 310 | virtual StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
Chris Lattner | 98414c1 | 2007-08-31 21:49:55 +0000 | [diff] [blame] | 311 | StmtTy **Elts, unsigned NumElts, |
| 312 | bool isStmtExpr); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 313 | virtual StmtResult ActOnDeclStmt(DeclTy *Decl); |
| 314 | virtual StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprTy *LHSVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 315 | SourceLocation DotDotDotLoc, ExprTy *RHSVal, |
| 316 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 317 | virtual StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
Chris Lattner | 6c36be5 | 2007-07-18 02:28:47 +0000 | [diff] [blame] | 318 | SourceLocation ColonLoc, StmtTy *SubStmt, |
| 319 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 320 | virtual StmtResult ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 321 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 322 | virtual StmtResult ActOnIfStmt(SourceLocation IfLoc, ExprTy *CondVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 323 | StmtTy *ThenVal, SourceLocation ElseLoc, |
| 324 | StmtTy *ElseVal); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 325 | virtual StmtResult ActOnStartOfSwitchStmt(ExprTy *Cond); |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 326 | virtual StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 327 | StmtTy *Switch, ExprTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 328 | virtual StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprTy *Cond, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 329 | StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 330 | virtual StmtResult ActOnDoStmt(SourceLocation DoLoc, StmtTy *Body, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 331 | SourceLocation WhileLoc, ExprTy *Cond); |
| 332 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 333 | virtual StmtResult ActOnForStmt(SourceLocation ForLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 334 | SourceLocation LParenLoc, |
| 335 | StmtTy *First, ExprTy *Second, ExprTy *Third, |
| 336 | SourceLocation RParenLoc, StmtTy *Body); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 337 | virtual StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
Fariborz Jahanian | 3ba5a0f | 2008-01-03 17:55:25 +0000 | [diff] [blame] | 338 | SourceLocation LParenLoc, |
| 339 | StmtTy *First, ExprTy *Second, |
| 340 | SourceLocation RParenLoc, StmtTy *Body); |
| 341 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 342 | virtual StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 343 | SourceLocation LabelLoc, |
| 344 | IdentifierInfo *LabelII); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 345 | virtual StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 346 | SourceLocation StarLoc, |
| 347 | ExprTy *DestExp); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 348 | virtual StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 349 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 350 | virtual StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 351 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 352 | virtual StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 353 | ExprTy *RetValExp); |
| 354 | |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 355 | virtual StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
Anders Carlsson | 39c47b5 | 2007-11-23 23:12:25 +0000 | [diff] [blame] | 356 | bool IsVolatile, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 357 | unsigned NumOutputs, |
| 358 | unsigned NumInputs, |
| 359 | std::string *Names, |
| 360 | ExprTy **Constraints, |
| 361 | ExprTy **Exprs, |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 362 | ExprTy *AsmString, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 363 | unsigned NumClobbers, |
| 364 | ExprTy **Clobbers, |
Chris Lattner | fe79595 | 2007-10-29 04:04:16 +0000 | [diff] [blame] | 365 | SourceLocation RParenLoc); |
| 366 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 367 | virtual StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 368 | SourceLocation RParen, StmtTy *Parm, |
| 369 | StmtTy *Body, StmtTy *CatchList); |
| 370 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 371 | virtual StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 372 | StmtTy *Body); |
| 373 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 374 | virtual StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 375 | StmtTy *Try, |
| 376 | StmtTy *Catch, StmtTy *Finally); |
| 377 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 378 | virtual StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 379 | StmtTy *Throw); |
| 380 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 381 | //===--------------------------------------------------------------------===// |
| 382 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 383 | |
| 384 | // Primary Expressions. |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 385 | virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 386 | IdentifierInfo &II, |
| 387 | bool HasTrailingLParen); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 388 | virtual ExprResult ActOnPreDefinedExpr(SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 389 | tok::TokenKind Kind); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 390 | virtual ExprResult ActOnNumericConstant(const Token &); |
| 391 | virtual ExprResult ActOnCharacterConstant(const Token &); |
| 392 | virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 393 | ExprTy *Val); |
| 394 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 395 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 396 | /// fragments (e.g. "foo" "bar" L"baz"). |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 397 | virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 398 | |
| 399 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 400 | virtual ExprResult ActOnUnaryOp(SourceLocation OpLoc, tok::TokenKind Op, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 401 | ExprTy *Input); |
| 402 | virtual ExprResult |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 403 | ActOnSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 404 | SourceLocation LParenLoc, TypeTy *Ty, |
| 405 | SourceLocation RParenLoc); |
| 406 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 407 | virtual ExprResult ActOnPostfixUnaryOp(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 408 | tok::TokenKind Kind, ExprTy *Input); |
| 409 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 410 | virtual ExprResult ActOnArraySubscriptExpr(ExprTy *Base, SourceLocation LLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 411 | ExprTy *Idx, SourceLocation RLoc); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 412 | virtual ExprResult ActOnMemberReferenceExpr(ExprTy *Base,SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 413 | tok::TokenKind OpKind, |
| 414 | SourceLocation MemberLoc, |
| 415 | IdentifierInfo &Member); |
| 416 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 417 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 418 | /// This provides the location of the left/right parens and a list of comma |
| 419 | /// locations. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 420 | virtual ExprResult ActOnCallExpr(ExprTy *Fn, SourceLocation LParenLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 421 | ExprTy **Args, unsigned NumArgs, |
| 422 | SourceLocation *CommaLocs, |
| 423 | SourceLocation RParenLoc); |
| 424 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 425 | virtual ExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 426 | SourceLocation RParenLoc, ExprTy *Op); |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 427 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 428 | virtual ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, TypeTy *Ty, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 429 | SourceLocation RParenLoc, ExprTy *Op); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 430 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 431 | virtual ExprResult ActOnInitList(SourceLocation LParenLoc, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 432 | ExprTy **InitList, unsigned NumInit, |
| 433 | SourceLocation RParenLoc); |
| 434 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 435 | virtual ExprResult ActOnBinOp(SourceLocation TokLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 436 | ExprTy *LHS,ExprTy *RHS); |
| 437 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 438 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 439 | /// in the case of a the GNU conditional expr extension. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 440 | virtual ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 441 | SourceLocation ColonLoc, |
| 442 | ExprTy *Cond, ExprTy *LHS, ExprTy *RHS); |
| 443 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 444 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 445 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 446 | IdentifierInfo *LabelII); |
| 447 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 448 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 449 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 450 | |
| 451 | /// __builtin_offsetof(type, a.b[123][456].c) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 452 | virtual ExprResult ActOnBuiltinOffsetOf(SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 453 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 454 | OffsetOfComponent *CompPtr, |
| 455 | unsigned NumComponents, |
| 456 | SourceLocation RParenLoc); |
| 457 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 458 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 459 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 460 | TypeTy *arg1, TypeTy *arg2, |
| 461 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 462 | |
| 463 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 464 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 465 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 466 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 467 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 468 | // __builtin_va_arg(expr, type) |
| 469 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 470 | ExprTy *expr, TypeTy *type, |
| 471 | SourceLocation RPLoc); |
| 472 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 473 | /// ActOnCXXCasts - Parse {dynamic,static,reinterpret,const}_cast's. |
| 474 | virtual ExprResult ActOnCXXCasts(SourceLocation OpLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 475 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 476 | SourceLocation RAngleBracketLoc, |
| 477 | SourceLocation LParenLoc, ExprTy *E, |
| 478 | SourceLocation RParenLoc); |
| 479 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 480 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 481 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 482 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 483 | |
| 484 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 485 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 486 | ExprTy **Strings, |
| 487 | unsigned NumStrings); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 488 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 489 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 490 | SourceLocation LParenLoc, |
| 491 | TypeTy *Ty, |
| 492 | SourceLocation RParenLoc); |
| 493 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 494 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 495 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 496 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 497 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 498 | SourceLocation LParenLoc, |
| 499 | SourceLocation RParenLoc); |
| 500 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 501 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 502 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 503 | SourceLocation AtLoc, |
| 504 | SourceLocation ProtoLoc, |
| 505 | SourceLocation LParenLoc, |
| 506 | SourceLocation RParenLoc); |
| 507 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 508 | // Objective-C declarations. |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 509 | virtual DeclTy *ActOnStartClassInterface( |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 510 | SourceLocation AtInterafceLoc, |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 511 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 512 | IdentifierInfo *SuperName, SourceLocation SuperLoc, |
| 513 | IdentifierInfo **ProtocolNames, unsigned NumProtocols, |
Steve Naroff | f908a87 | 2007-10-30 02:23:23 +0000 | [diff] [blame] | 514 | SourceLocation EndProtoLoc, AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 515 | |
| 516 | virtual DeclTy *ActOnCompatiblityAlias( |
| 517 | SourceLocation AtCompatibilityAliasLoc, |
| 518 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 519 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 520 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 521 | virtual DeclTy *ActOnStartProtocolInterface( |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 522 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 523 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Steve Naroff | f908a87 | 2007-10-30 02:23:23 +0000 | [diff] [blame] | 524 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs, |
| 525 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 526 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 527 | virtual DeclTy *ActOnStartCategoryInterface( |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 528 | SourceLocation AtInterfaceLoc, |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 529 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 530 | IdentifierInfo *CategoryName, SourceLocation CategoryLoc, |
Steve Naroff | 423cb56 | 2007-10-30 13:30:57 +0000 | [diff] [blame] | 531 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs, |
| 532 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 533 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 534 | virtual DeclTy *ActOnStartClassImplementation( |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 535 | SourceLocation AtClassImplLoc, |
| 536 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 537 | IdentifierInfo *SuperClassname, |
| 538 | SourceLocation SuperClassLoc); |
| 539 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 540 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 541 | SourceLocation AtCatImplLoc, |
| 542 | IdentifierInfo *ClassName, |
| 543 | SourceLocation ClassLoc, |
| 544 | IdentifierInfo *CatName, |
| 545 | SourceLocation CatLoc); |
| 546 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 547 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 548 | IdentifierInfo **IdentList, |
| 549 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 550 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 551 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 552 | IdentifierInfo **IdentList, |
| 553 | unsigned NumElts); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 554 | |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 555 | virtual void FindProtocolDeclaration(SourceLocation TypeLoc, |
| 556 | IdentifierInfo **ProtocolId, |
| 557 | unsigned NumProtocols, |
| 558 | llvm::SmallVector<DeclTy *, 8> & |
| 559 | Protocols); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 560 | |
Steve Naroff | 0416fb9 | 2007-11-11 17:19:15 +0000 | [diff] [blame] | 561 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl, |
| 562 | DeclTy **allMethods = 0, unsigned allNum = 0, |
| 563 | DeclTy **allProperties = 0, unsigned pNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 564 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 565 | virtual DeclTy *ActOnAddObjCProperties(SourceLocation AtLoc, |
Fariborz Jahanian | 82a5fe3 | 2007-11-06 22:01:00 +0000 | [diff] [blame] | 566 | DeclTy **allProperties, |
| 567 | unsigned NumProperties, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 568 | ObjCDeclSpec &DS); |
Fariborz Jahanian | 82a5fe3 | 2007-11-06 22:01:00 +0000 | [diff] [blame] | 569 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 570 | virtual DeclTy *ActOnMethodDeclaration( |
| 571 | SourceLocation BeginLoc, // location of the + or -. |
| 572 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 573 | tok::TokenKind MethodType, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 574 | DeclTy *ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 575 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 576 | // optional arguments. The number of types/arguments is obtained |
| 577 | // from the Sel.getNumArgs(). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 578 | ObjCDeclSpec *ArgQT, TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 579 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 580 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 581 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 582 | // ActOnClassMessage - used for both unary and keyword messages. |
| 583 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 584 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 585 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 586 | Scope *S, |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 587 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 588 | SourceLocation lbrac, SourceLocation rbrac, |
| 589 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 590 | |
| 591 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 592 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 593 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 594 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 595 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 596 | SourceLocation lbrac, SourceLocation rbrac, |
| 597 | ExprTy **ArgExprs, unsigned NumArgs); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 598 | private: |
| 599 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 600 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 601 | Expr *UsualUnaryConversions(Expr *&expr); |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 602 | |
| 603 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 604 | // to their respective pointers (C99 6.3.2.1). |
| 605 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 606 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 607 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 608 | // do not have a prototype. Integer promotions are performed on each |
| 609 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 610 | void DefaultArgumentPromotion(Expr *&Expr); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 611 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 612 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 613 | // operands and then handles various conversions that are common to binary |
| 614 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 615 | // routine returns the first non-arithmetic type found. The client is |
| 616 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 617 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 618 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 619 | |
| 620 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 621 | /// enum to indicate whether the assignment was allowed. These checks are |
| 622 | /// done for simple assignments, as well as initialization, return from |
| 623 | /// function, argument passing, etc. The query is phrased in terms of a |
| 624 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 625 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 626 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 627 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 628 | |
| 629 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 630 | /// accept as an extension. |
| 631 | PointerToInt, |
| 632 | |
| 633 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 634 | /// accept as an extension. |
| 635 | IntToPointer, |
| 636 | |
| 637 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 638 | /// 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] | 639 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 640 | |
| 641 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 642 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 643 | IncompatiblePointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 644 | |
| 645 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 646 | /// c/v/r qualifiers, which we accept as an extension. |
| 647 | CompatiblePointerDiscardsQualifiers, |
| 648 | |
| 649 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 650 | /// represent it in the AST. |
| 651 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 652 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 653 | |
| 654 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 655 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 656 | /// conversion was invalid or false if the conversion was accepted. |
| 657 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 658 | SourceLocation Loc, |
| 659 | QualType DstType, QualType SrcType, |
| 660 | Expr *SrcExpr, const char *Flavor); |
| 661 | |
| 662 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 663 | /// argument passing, variable initialization, and function return values. |
| 664 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 665 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 666 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 667 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 668 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 669 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 670 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 671 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 672 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 673 | // conversions. For compound assignments, the "Check...Operands" methods |
| 674 | // perform the necessary conversions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 675 | AssignConvertType CheckCompoundAssignmentConstraints(QualType lhs, |
| 676 | QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 677 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 678 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 679 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 680 | QualType rhsType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 681 | |
| 682 | /// the following "Check" methods will return a valid/converted QualType |
| 683 | /// or a null QualType (indicating an error diagnostic was issued). |
| 684 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 685 | /// type checking binary operators (subroutines of ActOnBinOp). |
Chris Lattner | ca5eede | 2007-12-12 05:47:28 +0000 | [diff] [blame] | 686 | inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 687 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 688 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 689 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 690 | inline QualType CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 691 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 692 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 693 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 694 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 695 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 696 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 697 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 698 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 699 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 700 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 701 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 702 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 703 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 704 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 705 | // For simple assignment, pass both expressions and a null converted type. |
| 706 | // For compound assignment, pass both expressions and the converted type. |
| 707 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 708 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 709 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 710 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 711 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 712 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 713 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 714 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 715 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| 716 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc); |
| 717 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 718 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
| 719 | QualType CheckSizeOfAlignOfOperand(QualType type, SourceLocation loc, |
| 720 | bool isSizeof); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 721 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 722 | |
| 723 | /// type checking primary expressions. |
| 724 | QualType CheckOCUVectorComponent(QualType baseType, SourceLocation OpLoc, |
| 725 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 726 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 727 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 728 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType); |
| 729 | bool CheckSingleInitializer(Expr *&simpleInit, QualType declType); |
Steve Naroff | 9e8925e | 2007-09-04 14:36:54 +0000 | [diff] [blame] | 730 | bool CheckInitExpr(Expr *expr, InitListExpr *IList, unsigned slot, |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 731 | QualType ElementType); |
| 732 | |
Steve Naroff | 371227d | 2007-09-04 02:20:04 +0000 | [diff] [blame] | 733 | void CheckVariableInitList(QualType DeclType, InitListExpr *IList, |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 734 | QualType ElementType, |
Steve Naroff | 371227d | 2007-09-04 02:20:04 +0000 | [diff] [blame] | 735 | int &nInitializers, bool &hadError); |
| 736 | void CheckConstantInitList(QualType DeclType, InitListExpr *IList, |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 737 | QualType ElementType, |
Steve Naroff | 371227d | 2007-09-04 02:20:04 +0000 | [diff] [blame] | 738 | int &nInitializers, bool &hadError); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 739 | bool CheckForCharArrayInitializer(InitListExpr *IList, QualType ElementType, |
| 740 | int &nInitializers, bool isConstant, |
| 741 | bool &hadError); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 742 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 743 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 744 | // CheckVectorCast - check type constraints for vectors. |
| 745 | // Since vectors are an extension, there are no C standard reference for this. |
| 746 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 747 | // returns true if the cast is invalid |
| 748 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 749 | |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 750 | // returns true if there were any incompatible arguments. |
| 751 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 752 | ObjCMethodDecl *Method); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 753 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 754 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 755 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 756 | /// the specified diagnostic. |
| 757 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 758 | unsigned NewWidth, bool NewSign, |
| 759 | SourceLocation Loc, unsigned DiagID); |
| 760 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 761 | void InitBuiltinVaListType(); |
| 762 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 763 | //===--------------------------------------------------------------------===// |
| 764 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 765 | private: |
| 766 | bool CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
| 767 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
| 768 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 769 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
| 770 | void CheckPrintfArguments(CallExpr *TheCall, |
| 771 | bool HasVAListArg, unsigned format_idx); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 772 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 773 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 774 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 775 | }; |
| 776 | |
| 777 | |
| 778 | } // end namespace clang |
| 779 | |
| 780 | #endif |