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; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 32 | class ASTConsumer; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 33 | class Preprocessor; |
| 34 | class Decl; |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 35 | class ScopedDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 36 | class Expr; |
Steve Naroff | 6f9f307 | 2007-09-02 15:34:30 +0000 | [diff] [blame] | 37 | class InitListExpr; |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 38 | class CallExpr; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 39 | class VarDecl; |
| 40 | class ParmVarDecl; |
| 41 | class TypedefDecl; |
| 42 | class FunctionDecl; |
| 43 | class QualType; |
Chris Lattner | 701e5eb | 2007-09-04 02:45:27 +0000 | [diff] [blame] | 44 | struct LangOptions; |
Chris Lattner | d217773 | 2007-07-20 16:59:19 +0000 | [diff] [blame] | 45 | class Token; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 46 | class IntegerLiteral; |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 47 | class StringLiteral; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 48 | class ArrayType; |
| 49 | class LabelStmt; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 50 | class SwitchStmt; |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 51 | class OCUVectorType; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 52 | class TypedefDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 53 | class ObjCInterfaceDecl; |
| 54 | class ObjCProtocolDecl; |
| 55 | class ObjCImplementationDecl; |
| 56 | class ObjCCategoryImplDecl; |
| 57 | class ObjCCategoryDecl; |
| 58 | class ObjCIvarDecl; |
| 59 | class ObjCMethodDecl; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 60 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 61 | /// Sema - This implements semantic analysis and AST building for C. |
| 62 | class Sema : public Action { |
| 63 | Preprocessor &PP; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 64 | ASTContext &Context; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 65 | ASTConsumer &Consumer; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 66 | |
| 67 | /// CurFunctionDecl - If inside of a function body, this contains a pointer to |
| 68 | /// the function decl for the function being parsed. |
| 69 | FunctionDecl *CurFunctionDecl; |
Steve Naroff | 0330071 | 2007-11-12 13:56:41 +0000 | [diff] [blame] | 70 | |
| 71 | /// CurMethodDecl - If inside of a method body, this contains a pointer to |
| 72 | /// the method decl for the method being parsed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 73 | ObjCMethodDecl *CurMethodDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 74 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 75 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 76 | /// it (which acts like the label decl in some ways). Forward referenced |
| 77 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 78 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 79 | |
| 80 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 81 | |
| 82 | /// OCUVectorDecls - This is a list all the OCU vector types. This allows |
| 83 | /// us to associate a raw vector type with one of the OCU type names. |
| 84 | /// This is only necessary for issuing pretty diagnostics. |
| 85 | llvm::SmallVector<TypedefDecl*, 24> OCUVectorDecls; |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 86 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 87 | /// ObjCImplementations - Keep track of all of the classes with |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 88 | /// @implementation's, so that we can emit errors on duplicates. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 89 | llvm::DenseMap<IdentifierInfo*, ObjCImplementationDecl*> ObjCImplementations; |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 90 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 91 | /// ObjCProtocols - Keep track of all protocol declarations declared |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 92 | /// with @protocol keyword, so that we can emit errors on duplicates and |
Chris Lattner | 4de884d | 2007-10-09 18:18:24 +0000 | [diff] [blame] | 93 | /// find the declarations when needed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 94 | llvm::DenseMap<IdentifierInfo*, ObjCProtocolDecl*> ObjCProtocols; |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 95 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 96 | // Enum values used by KnownFunctionIDs (see below). |
| 97 | enum { |
| 98 | id_printf, |
| 99 | id_fprintf, |
| 100 | id_sprintf, |
| 101 | id_snprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 102 | id_asprintf, |
Ted Kremenek | e0eb80a | 2007-08-10 21:13:51 +0000 | [diff] [blame] | 103 | id_vsnprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 104 | id_vasprintf, |
| 105 | id_vfprintf, |
| 106 | id_vsprintf, |
| 107 | id_vprintf, |
| 108 | id_num_known_functions |
| 109 | }; |
| 110 | |
| 111 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 112 | /// of known functions used by the semantic analysis to do various |
| 113 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 114 | /// This list is populated upon the creation of a Sema object. |
| 115 | IdentifierInfo* KnownFunctionIDs[ id_num_known_functions ]; |
| 116 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 117 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 118 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 119 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 120 | Scope *TUScope; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 121 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 122 | /// ObjCMethodList - a linked list of methods with different signatures. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 123 | struct ObjCMethodList { |
| 124 | ObjCMethodDecl *Method; |
| 125 | ObjCMethodList *Next; |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 126 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 127 | ObjCMethodList() { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 128 | Method = 0; |
| 129 | Next = 0; |
| 130 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 131 | ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 132 | Method = M; |
| 133 | Next = C; |
| 134 | } |
| 135 | }; |
| 136 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 137 | /// messages to "id". We need to maintain a list, since selectors can have |
| 138 | /// differing signatures across classes. In Cocoa, this happens to be |
| 139 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 140 | llvm::DenseMap<Selector, ObjCMethodList> InstanceMethodPool; |
| 141 | llvm::DenseMap<Selector, ObjCMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 142 | public: |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 143 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 144 | |
| 145 | const LangOptions &getLangOptions() const; |
| 146 | |
| 147 | /// The primitive diagnostic helpers - always returns true, which simplifies |
| 148 | /// error handling (i.e. less code). |
| 149 | bool Diag(SourceLocation Loc, unsigned DiagID); |
| 150 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg); |
| 151 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 152 | const std::string &Msg2); |
| 153 | |
| 154 | /// More expressive diagnostic helpers for expressions (say that 6 times:-) |
| 155 | bool Diag(SourceLocation Loc, unsigned DiagID, SourceRange R1); |
| 156 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 157 | SourceRange R1, SourceRange R2); |
| 158 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 159 | SourceRange R1); |
| 160 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| 161 | SourceRange R1, SourceRange R2); |
| 162 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 163 | const std::string &Msg2, SourceRange R1); |
Chris Lattner | 4667ac3 | 2008-01-03 23:38:43 +0000 | [diff] [blame] | 164 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 165 | const std::string &Msg2, const std::string &Msg3, SourceRange R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 166 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 167 | const std::string &Msg1, const std::string &Msg2, |
| 168 | SourceRange R1, SourceRange R2); |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 169 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 170 | virtual void DeleteExpr(ExprTy *E); |
| 171 | virtual void DeleteStmt(StmtTy *S); |
| 172 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 173 | //===--------------------------------------------------------------------===// |
| 174 | // Type Analysis / Processing: SemaType.cpp. |
| 175 | // |
| 176 | QualType GetTypeForDeclarator(Declarator &D, Scope *S); |
| 177 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 178 | QualType ObjCGetTypeForMethodDefinition(DeclTy *D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 179 | |
| 180 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 181 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 182 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 183 | virtual TypeResult ActOnParamDeclaratorType(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 184 | private: |
| 185 | //===--------------------------------------------------------------------===// |
| 186 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 187 | // |
| 188 | virtual DeclTy *isTypeName(const IdentifierInfo &II, Scope *S) const; |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 189 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup); |
Steve Naroff | bb20469 | 2007-09-12 14:07:44 +0000 | [diff] [blame] | 190 | void AddInitializerToDecl(DeclTy *dcl, ExprTy *init); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 191 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 192 | |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 193 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 194 | virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D); |
Steve Naroff | d6d054d | 2007-11-11 23:20:51 +0000 | [diff] [blame] | 195 | |
| 196 | virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtTy *Body); |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame] | 197 | virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace, |
| 198 | SourceLocation RBrace, const char *Lang, |
| 199 | unsigned StrSize, DeclTy *D); |
Anders Carlsson | dfab6cb | 2008-02-08 00:33:21 +0000 | [diff] [blame] | 200 | virtual DeclTy *ActOnFileScopeAsmDecl(SourceLocation Loc, ExprTy *expr); |
| 201 | |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 202 | /// Scope actions. |
| 203 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 204 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 205 | |
| 206 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 207 | /// no declarator (e.g. "struct foo;") is parsed. |
| 208 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| 209 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 210 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 211 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 212 | SourceLocation NameLoc, AttributeList *Attr); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 213 | virtual DeclTy *ActOnField(Scope *S, DeclTy *TagDecl,SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 214 | Declarator &D, ExprTy *BitfieldWidth); |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 215 | |
| 216 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 217 | virtual void ActOnFields(Scope* S, |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 218 | SourceLocation RecLoc, DeclTy *TagDecl, |
| 219 | DeclTy **Fields, unsigned NumFields, |
| 220 | SourceLocation LBrac, SourceLocation RBrac, |
| 221 | tok::ObjCKeywordKind *visibility = 0); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 222 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 223 | DeclTy *LastEnumConstant, |
| 224 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 225 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 226 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 227 | DeclTy **Elements, unsigned NumElements); |
| 228 | private: |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 229 | /// Subroutines of ActOnDeclarator()... |
Chris Lattner | 41af093 | 2007-11-14 06:34:38 +0000 | [diff] [blame] | 230 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| 231 | ScopedDecl *LastDecl); |
Steve Naroff | 8e74c93 | 2007-09-13 21:41:19 +0000 | [diff] [blame] | 232 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, ScopedDecl *Old); |
| 233 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, ScopedDecl *Old); |
| 234 | VarDecl *MergeVarDecl(VarDecl *New, ScopedDecl *Old); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 235 | |
| 236 | /// More parsing and symbol table subroutines... |
Nate Begeman | bff5f5c | 2007-11-13 21:49:48 +0000 | [diff] [blame] | 237 | ParmVarDecl *ActOnParamDeclarator(struct DeclaratorChunk::ParamInfo &PI, |
Steve Naroff | 6649992 | 2007-11-12 03:44:46 +0000 | [diff] [blame] | 238 | Scope *FnBodyScope); |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 239 | ScopedDecl *LookupScopedDecl(IdentifierInfo *II, unsigned NSI, |
Fariborz Jahanian | 4cabdfc | 2007-10-12 19:38:20 +0000 | [diff] [blame] | 240 | SourceLocation IdLoc, Scope *S); |
| 241 | ScopedDecl *LookupInterfaceDecl(IdentifierInfo *II); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 242 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 243 | ScopedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, Scope *S); |
Steve Naroff | 8c9f13e | 2007-09-16 16:16:00 +0000 | [diff] [blame] | 244 | ScopedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 245 | Scope *S); |
| 246 | // Decl attributes - this routine is the top level dispatcher. |
| 247 | void HandleDeclAttributes(Decl *New, AttributeList *declspec_prefix, |
| 248 | AttributeList *declarator_postfix); |
| 249 | void HandleDeclAttribute(Decl *New, AttributeList *rawAttr); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 250 | |
| 251 | /// HandleAddressSpaceTypeAttribute - this attribute is only applicable to |
| 252 | /// objects without automatic storage duration. |
| 253 | /// The raw attribute contains 1 argument, the id of the address space |
| 254 | /// for the type. |
| 255 | QualType HandleAddressSpaceTypeAttribute(QualType curType, |
| 256 | AttributeList *rawAttr); |
| 257 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 258 | // HandleVectorTypeAttribute - this attribute is only applicable to |
| 259 | // integral and float scalars, although arrays, pointers, and function |
| 260 | // return values are allowed in conjunction with this construct. Aggregates |
| 261 | // with this attribute are invalid, even if they are of the same size as a |
| 262 | // corresponding scalar. |
| 263 | // The raw attribute should contain precisely 1 argument, the vector size |
| 264 | // for the variable, measured in bytes. If curType and rawAttr are well |
| 265 | // formed, this routine will return a new vector type. |
| 266 | QualType HandleVectorTypeAttribute(QualType curType, AttributeList *rawAttr); |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 267 | void HandleOCUVectorTypeAttribute(TypedefDecl *d, AttributeList *rawAttr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 268 | |
Anders Carlsson | 78aaae9 | 2007-12-19 07:19:40 +0000 | [diff] [blame] | 269 | void HandleAlignedAttribute(Decl *d, AttributeList *rawAttr); |
| 270 | |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 271 | void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| 272 | bool &IncompleteImpl); |
| 273 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 274 | /// CheckProtocolMethodDefs - This routine checks unimpletented methods |
| 275 | /// Declared in protocol, and those referenced by it. |
Steve Naroff | efe7f36 | 2008-02-08 22:06:17 +0000 | [diff] [blame] | 276 | void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| 277 | ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 278 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 279 | const llvm::DenseSet<Selector> &InsMap, |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 280 | const llvm::DenseSet<Selector> &ClsMap); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 281 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 282 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 283 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 284 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 285 | ObjCIvarDecl **Fields, unsigned nIvars, |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 286 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 287 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 288 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 289 | /// remains unimplemented in the @implementation class. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 290 | void ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl, |
| 291 | ObjCInterfaceDecl* IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 292 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 293 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 294 | /// category interface is implemented in the category @implementation. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 295 | void ImplCategoryMethodsVsIntfMethods(ObjCCategoryImplDecl *CatImplDecl, |
| 296 | ObjCCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 297 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 298 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 299 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
| 300 | const ObjCMethodDecl *PrevMethod); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 301 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 302 | /// isBuiltinObjCType - Returns true of the type is "id", "SEL", "Class" |
Fariborz Jahanian | 66c5dfc | 2007-12-07 00:18:54 +0000 | [diff] [blame] | 303 | /// or "Protocol". |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 304 | bool isBuiltinObjCType(TypedefDecl *TD); |
Fariborz Jahanian | 1f990d6 | 2008-01-04 00:27:46 +0000 | [diff] [blame] | 305 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 306 | /// isObjCObjectPointerType - Returns true if type is an objective-c pointer |
Fariborz Jahanian | 1f990d6 | 2008-01-04 00:27:46 +0000 | [diff] [blame] | 307 | /// to an object type; such as "id", "Class", Intf*, id<P>, etc. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 308 | bool isObjCObjectPointerType(QualType type) const; |
Anders Carlsson | 8baaca5 | 2007-10-31 02:53:19 +0000 | [diff] [blame] | 309 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 310 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 311 | /// unit are added to a global pool. This allows us to efficiently associate |
| 312 | /// a selector with a method declaraation for purposes of typechecking |
| 313 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 314 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 315 | |
| 316 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 317 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 318 | //===--------------------------------------------------------------------===// |
| 319 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 320 | public: |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 321 | virtual StmtResult ActOnExprStmt(ExprTy *Expr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 322 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 323 | virtual StmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 324 | virtual StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
Chris Lattner | 98414c1 | 2007-08-31 21:49:55 +0000 | [diff] [blame] | 325 | StmtTy **Elts, unsigned NumElts, |
| 326 | bool isStmtExpr); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 327 | virtual StmtResult ActOnDeclStmt(DeclTy *Decl); |
| 328 | virtual StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprTy *LHSVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 329 | SourceLocation DotDotDotLoc, ExprTy *RHSVal, |
| 330 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 331 | virtual StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
Chris Lattner | 6c36be5 | 2007-07-18 02:28:47 +0000 | [diff] [blame] | 332 | SourceLocation ColonLoc, StmtTy *SubStmt, |
| 333 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 334 | virtual StmtResult ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 335 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 336 | virtual StmtResult ActOnIfStmt(SourceLocation IfLoc, ExprTy *CondVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 337 | StmtTy *ThenVal, SourceLocation ElseLoc, |
| 338 | StmtTy *ElseVal); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 339 | virtual StmtResult ActOnStartOfSwitchStmt(ExprTy *Cond); |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 340 | virtual StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 341 | StmtTy *Switch, ExprTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 342 | virtual StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprTy *Cond, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 343 | StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 344 | virtual StmtResult ActOnDoStmt(SourceLocation DoLoc, StmtTy *Body, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 345 | SourceLocation WhileLoc, ExprTy *Cond); |
| 346 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 347 | virtual StmtResult ActOnForStmt(SourceLocation ForLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 348 | SourceLocation LParenLoc, |
| 349 | StmtTy *First, ExprTy *Second, ExprTy *Third, |
| 350 | SourceLocation RParenLoc, StmtTy *Body); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 351 | virtual StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
Fariborz Jahanian | 3ba5a0f | 2008-01-03 17:55:25 +0000 | [diff] [blame] | 352 | SourceLocation LParenLoc, |
| 353 | StmtTy *First, ExprTy *Second, |
| 354 | SourceLocation RParenLoc, StmtTy *Body); |
| 355 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 356 | virtual StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 357 | SourceLocation LabelLoc, |
| 358 | IdentifierInfo *LabelII); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 359 | virtual StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 360 | SourceLocation StarLoc, |
| 361 | ExprTy *DestExp); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 362 | virtual StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 363 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 364 | virtual StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 365 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 366 | virtual StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 367 | ExprTy *RetValExp); |
| 368 | |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 369 | virtual StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
Anders Carlsson | dfab34a | 2008-02-05 23:03:50 +0000 | [diff] [blame] | 370 | bool IsSimple, |
Anders Carlsson | 39c47b5 | 2007-11-23 23:12:25 +0000 | [diff] [blame] | 371 | bool IsVolatile, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 372 | unsigned NumOutputs, |
| 373 | unsigned NumInputs, |
| 374 | std::string *Names, |
| 375 | ExprTy **Constraints, |
| 376 | ExprTy **Exprs, |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 377 | ExprTy *AsmString, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 378 | unsigned NumClobbers, |
| 379 | ExprTy **Clobbers, |
Chris Lattner | fe79595 | 2007-10-29 04:04:16 +0000 | [diff] [blame] | 380 | SourceLocation RParenLoc); |
| 381 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 382 | virtual StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 383 | SourceLocation RParen, StmtTy *Parm, |
| 384 | StmtTy *Body, StmtTy *CatchList); |
| 385 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 386 | virtual StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 387 | StmtTy *Body); |
| 388 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 389 | virtual StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 390 | StmtTy *Try, |
| 391 | StmtTy *Catch, StmtTy *Finally); |
| 392 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 393 | virtual StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 394 | StmtTy *Throw); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 395 | virtual StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| 396 | ExprTy *SynchExpr, |
| 397 | StmtTy *SynchBody); |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 398 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 399 | //===--------------------------------------------------------------------===// |
| 400 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 401 | |
| 402 | // Primary Expressions. |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 403 | virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 404 | IdentifierInfo &II, |
| 405 | bool HasTrailingLParen); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 406 | virtual ExprResult ActOnPreDefinedExpr(SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 407 | tok::TokenKind Kind); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 408 | virtual ExprResult ActOnNumericConstant(const Token &); |
| 409 | virtual ExprResult ActOnCharacterConstant(const Token &); |
| 410 | virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 411 | ExprTy *Val); |
| 412 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 413 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 414 | /// fragments (e.g. "foo" "bar" L"baz"). |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 415 | virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 416 | |
| 417 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 418 | virtual ExprResult ActOnUnaryOp(SourceLocation OpLoc, tok::TokenKind Op, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 419 | ExprTy *Input); |
| 420 | virtual ExprResult |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 421 | ActOnSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 422 | SourceLocation LParenLoc, TypeTy *Ty, |
| 423 | SourceLocation RParenLoc); |
| 424 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 425 | virtual ExprResult ActOnPostfixUnaryOp(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 426 | tok::TokenKind Kind, ExprTy *Input); |
| 427 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 428 | virtual ExprResult ActOnArraySubscriptExpr(ExprTy *Base, SourceLocation LLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 429 | ExprTy *Idx, SourceLocation RLoc); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 430 | virtual ExprResult ActOnMemberReferenceExpr(ExprTy *Base,SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 431 | tok::TokenKind OpKind, |
| 432 | SourceLocation MemberLoc, |
| 433 | IdentifierInfo &Member); |
| 434 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 435 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 436 | /// This provides the location of the left/right parens and a list of comma |
| 437 | /// locations. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 438 | virtual ExprResult ActOnCallExpr(ExprTy *Fn, SourceLocation LParenLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 439 | ExprTy **Args, unsigned NumArgs, |
| 440 | SourceLocation *CommaLocs, |
| 441 | SourceLocation RParenLoc); |
| 442 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 443 | virtual ExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 444 | SourceLocation RParenLoc, ExprTy *Op); |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 445 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 446 | virtual ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, TypeTy *Ty, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 447 | SourceLocation RParenLoc, ExprTy *Op); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 448 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 449 | virtual ExprResult ActOnInitList(SourceLocation LParenLoc, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 450 | ExprTy **InitList, unsigned NumInit, |
| 451 | SourceLocation RParenLoc); |
| 452 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 453 | virtual ExprResult ActOnBinOp(SourceLocation TokLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 454 | ExprTy *LHS,ExprTy *RHS); |
| 455 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 456 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 457 | /// in the case of a the GNU conditional expr extension. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 458 | virtual ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 459 | SourceLocation ColonLoc, |
| 460 | ExprTy *Cond, ExprTy *LHS, ExprTy *RHS); |
| 461 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 462 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 463 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 464 | IdentifierInfo *LabelII); |
| 465 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 466 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 467 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 468 | |
| 469 | /// __builtin_offsetof(type, a.b[123][456].c) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 470 | virtual ExprResult ActOnBuiltinOffsetOf(SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 471 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 472 | OffsetOfComponent *CompPtr, |
| 473 | unsigned NumComponents, |
| 474 | SourceLocation RParenLoc); |
| 475 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 476 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 477 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 478 | TypeTy *arg1, TypeTy *arg2, |
| 479 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 480 | |
| 481 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 482 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 483 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 484 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 485 | |
Nate Begeman | e2ce1d9 | 2008-01-17 17:46:27 +0000 | [diff] [blame] | 486 | // __builtin_overload(...) |
| 487 | virtual ExprResult ActOnOverloadExpr(ExprTy **Args, unsigned NumArgs, |
| 488 | SourceLocation *CommaLocs, |
| 489 | SourceLocation BuiltinLoc, |
| 490 | SourceLocation RParenLoc); |
| 491 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 492 | // __builtin_va_arg(expr, type) |
| 493 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 494 | ExprTy *expr, TypeTy *type, |
| 495 | SourceLocation RPLoc); |
| 496 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 497 | /// ActOnCXXCasts - Parse {dynamic,static,reinterpret,const}_cast's. |
| 498 | virtual ExprResult ActOnCXXCasts(SourceLocation OpLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 499 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 500 | SourceLocation RAngleBracketLoc, |
| 501 | SourceLocation LParenLoc, ExprTy *E, |
| 502 | SourceLocation RParenLoc); |
| 503 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 504 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 505 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 506 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 507 | |
| 508 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 509 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 510 | ExprTy **Strings, |
| 511 | unsigned NumStrings); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 512 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 513 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 514 | SourceLocation LParenLoc, |
| 515 | TypeTy *Ty, |
| 516 | SourceLocation RParenLoc); |
| 517 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 518 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 519 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 520 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 521 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 522 | SourceLocation LParenLoc, |
| 523 | SourceLocation RParenLoc); |
| 524 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 525 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 526 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 527 | SourceLocation AtLoc, |
| 528 | SourceLocation ProtoLoc, |
| 529 | SourceLocation LParenLoc, |
| 530 | SourceLocation RParenLoc); |
| 531 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 532 | // Objective-C declarations. |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 533 | virtual DeclTy *ActOnStartClassInterface( |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 534 | SourceLocation AtInterafceLoc, |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 535 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 536 | IdentifierInfo *SuperName, SourceLocation SuperLoc, |
| 537 | IdentifierInfo **ProtocolNames, unsigned NumProtocols, |
Steve Naroff | f908a87 | 2007-10-30 02:23:23 +0000 | [diff] [blame] | 538 | SourceLocation EndProtoLoc, AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 539 | |
| 540 | virtual DeclTy *ActOnCompatiblityAlias( |
| 541 | SourceLocation AtCompatibilityAliasLoc, |
| 542 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 543 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 544 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 545 | virtual DeclTy *ActOnStartProtocolInterface( |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 546 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 547 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Steve Naroff | f908a87 | 2007-10-30 02:23:23 +0000 | [diff] [blame] | 548 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs, |
| 549 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 550 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 551 | virtual DeclTy *ActOnStartCategoryInterface( |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 552 | SourceLocation AtInterfaceLoc, |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 553 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 554 | IdentifierInfo *CategoryName, SourceLocation CategoryLoc, |
Steve Naroff | 423cb56 | 2007-10-30 13:30:57 +0000 | [diff] [blame] | 555 | IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs, |
| 556 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 557 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 558 | virtual DeclTy *ActOnStartClassImplementation( |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 559 | SourceLocation AtClassImplLoc, |
| 560 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 561 | IdentifierInfo *SuperClassname, |
| 562 | SourceLocation SuperClassLoc); |
| 563 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 564 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 565 | SourceLocation AtCatImplLoc, |
| 566 | IdentifierInfo *ClassName, |
| 567 | SourceLocation ClassLoc, |
| 568 | IdentifierInfo *CatName, |
| 569 | SourceLocation CatLoc); |
| 570 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 571 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 572 | IdentifierInfo **IdentList, |
| 573 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 574 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 575 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 576 | IdentifierInfo **IdentList, |
| 577 | unsigned NumElts); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 578 | |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 579 | virtual void FindProtocolDeclaration(SourceLocation TypeLoc, |
| 580 | IdentifierInfo **ProtocolId, |
| 581 | unsigned NumProtocols, |
| 582 | llvm::SmallVector<DeclTy *, 8> & |
| 583 | Protocols); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 584 | |
Steve Naroff | 0416fb9 | 2007-11-11 17:19:15 +0000 | [diff] [blame] | 585 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl, |
| 586 | DeclTy **allMethods = 0, unsigned allNum = 0, |
| 587 | DeclTy **allProperties = 0, unsigned pNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 588 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 589 | virtual DeclTy *ActOnAddObjCProperties(SourceLocation AtLoc, |
Fariborz Jahanian | 82a5fe3 | 2007-11-06 22:01:00 +0000 | [diff] [blame] | 590 | DeclTy **allProperties, |
| 591 | unsigned NumProperties, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 592 | ObjCDeclSpec &DS); |
Fariborz Jahanian | 82a5fe3 | 2007-11-06 22:01:00 +0000 | [diff] [blame] | 593 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 594 | virtual DeclTy *ActOnMethodDeclaration( |
| 595 | SourceLocation BeginLoc, // location of the + or -. |
| 596 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 597 | tok::TokenKind MethodType, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 598 | DeclTy *ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 599 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 600 | // optional arguments. The number of types/arguments is obtained |
| 601 | // from the Sel.getNumArgs(). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 602 | ObjCDeclSpec *ArgQT, TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 603 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 604 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 605 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 606 | // ActOnClassMessage - used for both unary and keyword messages. |
| 607 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 608 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 609 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 610 | Scope *S, |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 611 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 612 | SourceLocation lbrac, SourceLocation rbrac, |
| 613 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 614 | |
| 615 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 616 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 617 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 618 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 619 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 620 | SourceLocation lbrac, SourceLocation rbrac, |
| 621 | ExprTy **ArgExprs, unsigned NumArgs); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 622 | private: |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 623 | /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| 624 | /// cast. If there is already an implicit cast, merge into the existing one. |
| 625 | void ImpCastExprToType(Expr *&Expr, QualType Type); |
| 626 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 627 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 628 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 629 | Expr *UsualUnaryConversions(Expr *&expr); |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 630 | |
| 631 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 632 | // to their respective pointers (C99 6.3.2.1). |
| 633 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 634 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 635 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 636 | // do not have a prototype. Integer promotions are performed on each |
| 637 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 638 | void DefaultArgumentPromotion(Expr *&Expr); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 639 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 640 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 641 | // operands and then handles various conversions that are common to binary |
| 642 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 643 | // routine returns the first non-arithmetic type found. The client is |
| 644 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 645 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 646 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 647 | |
| 648 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 649 | /// enum to indicate whether the assignment was allowed. These checks are |
| 650 | /// done for simple assignments, as well as initialization, return from |
| 651 | /// function, argument passing, etc. The query is phrased in terms of a |
| 652 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 653 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 654 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 655 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 656 | |
| 657 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 658 | /// accept as an extension. |
| 659 | PointerToInt, |
| 660 | |
| 661 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 662 | /// accept as an extension. |
| 663 | IntToPointer, |
| 664 | |
| 665 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 666 | /// 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] | 667 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 668 | |
| 669 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 670 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 671 | IncompatiblePointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 672 | |
| 673 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 674 | /// c/v/r qualifiers, which we accept as an extension. |
| 675 | CompatiblePointerDiscardsQualifiers, |
| 676 | |
| 677 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 678 | /// represent it in the AST. |
| 679 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 680 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 681 | |
| 682 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 683 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 684 | /// conversion was invalid or false if the conversion was accepted. |
| 685 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 686 | SourceLocation Loc, |
| 687 | QualType DstType, QualType SrcType, |
| 688 | Expr *SrcExpr, const char *Flavor); |
| 689 | |
| 690 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 691 | /// argument passing, variable initialization, and function return values. |
| 692 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 693 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 694 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 695 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 696 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 697 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 698 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 699 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 700 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 701 | // conversions. For compound assignments, the "Check...Operands" methods |
| 702 | // perform the necessary conversions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 703 | AssignConvertType CheckCompoundAssignmentConstraints(QualType lhs, |
| 704 | QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 705 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 706 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 707 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 708 | QualType rhsType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 709 | |
| 710 | /// the following "Check" methods will return a valid/converted QualType |
| 711 | /// or a null QualType (indicating an error diagnostic was issued). |
| 712 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 713 | /// type checking binary operators (subroutines of ActOnBinOp). |
Chris Lattner | ca5eede | 2007-12-12 05:47:28 +0000 | [diff] [blame] | 714 | inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 715 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 716 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 717 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 718 | inline QualType CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 719 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 720 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 721 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 722 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 723 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 724 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 725 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 726 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 727 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 728 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 729 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 730 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 731 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 732 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 733 | // For simple assignment, pass both expressions and a null converted type. |
| 734 | // For compound assignment, pass both expressions and the converted type. |
| 735 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 736 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 737 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 738 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 739 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 740 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 741 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 742 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 743 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| 744 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc); |
| 745 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 746 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
| 747 | QualType CheckSizeOfAlignOfOperand(QualType type, SourceLocation loc, |
| 748 | bool isSizeof); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 749 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 750 | |
| 751 | /// type checking primary expressions. |
| 752 | QualType CheckOCUVectorComponent(QualType baseType, SourceLocation OpLoc, |
| 753 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 754 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 755 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 756 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType); |
| 757 | bool CheckSingleInitializer(Expr *&simpleInit, QualType declType); |
Steve Naroff | 9e8925e | 2007-09-04 14:36:54 +0000 | [diff] [blame] | 758 | bool CheckInitExpr(Expr *expr, InitListExpr *IList, unsigned slot, |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 759 | QualType ElementType); |
Steve Naroff | a996033 | 2008-01-25 00:51:06 +0000 | [diff] [blame] | 760 | bool CheckInitializerListTypes(InitListExpr*& IList, QualType &DeclType, |
| 761 | bool topLevel, unsigned& startIndex); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 762 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 763 | |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 764 | StringLiteral *IsStringLiteralInit(Expr *Init, QualType DeclType); |
| 765 | bool CheckStringLiteralInit(StringLiteral *strLiteral, QualType &DeclT); |
| 766 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 767 | // CheckVectorCast - check type constraints for vectors. |
| 768 | // Since vectors are an extension, there are no C standard reference for this. |
| 769 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 770 | // returns true if the cast is invalid |
| 771 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 772 | |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 773 | // returns true if there were any incompatible arguments. |
| 774 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 775 | ObjCMethodDecl *Method); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 776 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 777 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 778 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 779 | /// the specified diagnostic. |
| 780 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 781 | unsigned NewWidth, bool NewSign, |
| 782 | SourceLocation Loc, unsigned DiagID); |
| 783 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 784 | void InitBuiltinVaListType(); |
| 785 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 786 | //===--------------------------------------------------------------------===// |
| 787 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 788 | private: |
| 789 | bool CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
| 790 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
| 791 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 792 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
| 793 | void CheckPrintfArguments(CallExpr *TheCall, |
| 794 | bool HasVAListArg, unsigned format_idx); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 795 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 796 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 797 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 798 | }; |
| 799 | |
| 800 | |
| 801 | } // end namespace clang |
| 802 | |
| 803 | #endif |