Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1 | //===--- Sema.h - Semantic Analysis & AST Building --------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 0bc735f | 2007-12-29 19:59:25 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file defines the Sema class, which performs semantic analysis and |
| 11 | // builds ASTs. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #ifndef LLVM_CLANG_AST_SEMA_H |
| 16 | #define LLVM_CLANG_AST_SEMA_H |
| 17 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 18 | #include "IdentifierResolver.h" |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 19 | #include "CXXFieldCollector.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 20 | #include "clang/Parse/Action.h" |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 21 | #include "llvm/ADT/SmallVector.h" |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 22 | #include "llvm/ADT/DenseSet.h" |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 23 | #include "llvm/ADT/SmallPtrSet.h" |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 24 | #include "llvm/ADT/OwningPtr.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 25 | #include <vector> |
| 26 | #include <string> |
| 27 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 28 | namespace llvm { |
| 29 | class APSInt; |
| 30 | } |
| 31 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 32 | namespace clang { |
| 33 | class ASTContext; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 34 | class ASTConsumer; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 35 | class Preprocessor; |
| 36 | class Decl; |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 37 | class DeclContext; |
Daniel Dunbar | 12bc692 | 2008-08-11 03:27:53 +0000 | [diff] [blame] | 38 | class DeclSpec; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 39 | class NamedDecl; |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 40 | class ScopedDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 41 | class Expr; |
Steve Naroff | 6f9f307 | 2007-09-02 15:34:30 +0000 | [diff] [blame] | 42 | class InitListExpr; |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 43 | class CallExpr; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 44 | class VarDecl; |
| 45 | class ParmVarDecl; |
| 46 | class TypedefDecl; |
| 47 | class FunctionDecl; |
| 48 | class QualType; |
Chris Lattner | 701e5eb | 2007-09-04 02:45:27 +0000 | [diff] [blame] | 49 | struct LangOptions; |
Chris Lattner | d217773 | 2007-07-20 16:59:19 +0000 | [diff] [blame] | 50 | class Token; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 51 | class IntegerLiteral; |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 52 | class StringLiteral; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 53 | class ArrayType; |
| 54 | class LabelStmt; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 55 | class SwitchStmt; |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 56 | class ExtVectorType; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 57 | class TypedefDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 58 | class ObjCInterfaceDecl; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 59 | class ObjCCompatibleAliasDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 60 | class ObjCProtocolDecl; |
| 61 | class ObjCImplementationDecl; |
| 62 | class ObjCCategoryImplDecl; |
| 63 | class ObjCCategoryDecl; |
| 64 | class ObjCIvarDecl; |
| 65 | class ObjCMethodDecl; |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 66 | class ObjCPropertyDecl; |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 67 | struct BlockSemaInfo; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 68 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 69 | /// Sema - This implements semantic analysis and AST building for C. |
| 70 | class Sema : public Action { |
Chris Lattner | 0b2f4da | 2008-06-29 00:28:59 +0000 | [diff] [blame] | 71 | public: |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 72 | Preprocessor &PP; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 73 | ASTContext &Context; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 74 | ASTConsumer &Consumer; |
Steve Naroff | 0330071 | 2007-11-12 13:56:41 +0000 | [diff] [blame] | 75 | |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 76 | /// CurContext - This is the current declaration context of parsing. |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 77 | DeclContext *CurContext; |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 78 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 79 | /// CurBlock - If inside of a block definition, this contains a pointer to |
| 80 | /// the active block object that represents it. |
| 81 | BlockSemaInfo *CurBlock; |
| 82 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 83 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 84 | /// it (which acts like the label decl in some ways). Forward referenced |
| 85 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 86 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 87 | |
| 88 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 89 | |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 90 | /// ExtVectorDecls - This is a list all the extended vector types. This allows |
| 91 | /// us to associate a raw vector type with one of the ext_vector type names. |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 92 | /// This is only necessary for issuing pretty diagnostics. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 93 | llvm::SmallVector<TypedefDecl*, 24> ExtVectorDecls; |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 94 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 95 | /// ObjCImplementations - Keep track of all of the classes with |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 96 | /// @implementation's, so that we can emit errors on duplicates. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 97 | llvm::DenseMap<IdentifierInfo*, ObjCImplementationDecl*> ObjCImplementations; |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 98 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 99 | /// ObjCProtocols - Keep track of all protocol declarations declared |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 100 | /// with @protocol keyword, so that we can emit errors on duplicates and |
Chris Lattner | 4de884d | 2007-10-09 18:18:24 +0000 | [diff] [blame] | 101 | /// find the declarations when needed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 102 | llvm::DenseMap<IdentifierInfo*, ObjCProtocolDecl*> ObjCProtocols; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 103 | |
| 104 | /// ObjCInterfaceDecls - Keep track of all class declarations declared |
| 105 | /// with @interface, so that we can emit errors on duplicates and |
| 106 | /// find the declarations when needed. |
| 107 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 108 | ObjCInterfaceDecl*> ObjCInterfaceDeclsTy; |
| 109 | ObjCInterfaceDeclsTy ObjCInterfaceDecls; |
| 110 | |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 111 | /// ObjCAliasDecls - Keep track of all class declarations declared |
| 112 | /// with @compatibility_alias, so that we can emit errors on duplicates and |
| 113 | /// find the declarations when needed. This construct is ancient and will |
| 114 | /// likely never be seen. Nevertheless, it is here for compatibility. |
Steve Naroff | c822ff4 | 2008-04-02 00:39:51 +0000 | [diff] [blame] | 115 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 116 | ObjCCompatibleAliasDecl*> ObjCAliasTy; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 117 | ObjCAliasTy ObjCAliasDecls; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 118 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 119 | /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. |
| 120 | llvm::OwningPtr<CXXFieldCollector> FieldCollector; |
| 121 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 122 | IdentifierResolver IdResolver; |
| 123 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 124 | // Enum values used by KnownFunctionIDs (see below). |
| 125 | enum { |
| 126 | id_printf, |
| 127 | id_fprintf, |
| 128 | id_sprintf, |
| 129 | id_snprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 130 | id_asprintf, |
Ted Kremenek | 7ff22b2 | 2008-06-16 18:00:42 +0000 | [diff] [blame] | 131 | id_NSLog, |
Ted Kremenek | e0eb80a | 2007-08-10 21:13:51 +0000 | [diff] [blame] | 132 | id_vsnprintf, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 133 | id_vasprintf, |
| 134 | id_vfprintf, |
| 135 | id_vsprintf, |
| 136 | id_vprintf, |
| 137 | id_num_known_functions |
| 138 | }; |
| 139 | |
| 140 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 141 | /// of known functions used by the semantic analysis to do various |
| 142 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 143 | /// This list is populated upon the creation of a Sema object. |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 144 | IdentifierInfo* KnownFunctionIDs[id_num_known_functions]; |
Daniel Dunbar | 662e8b5 | 2008-08-14 22:04:54 +0000 | [diff] [blame] | 145 | |
| 146 | /// SuperID - Identifier for "super" used for Objective-C checking. |
| 147 | IdentifierInfo* SuperID; |
| 148 | |
Steve Naroff | 2b255c4 | 2008-09-09 14:32:20 +0000 | [diff] [blame^] | 149 | /// Identifiers for builtin ObjC typedef names. |
| 150 | IdentifierInfo *Ident_id, *Ident_Class; // "id", "Class" |
| 151 | IdentifierInfo *Ident_SEL, *Ident_Protocol; // "SEL", "Protocol" |
| 152 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 153 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 154 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 155 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 156 | Scope *TUScope; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 157 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 158 | /// ObjCMethodList - a linked list of methods with different signatures. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 159 | struct ObjCMethodList { |
| 160 | ObjCMethodDecl *Method; |
| 161 | ObjCMethodList *Next; |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 162 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 163 | ObjCMethodList() { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 164 | Method = 0; |
| 165 | Next = 0; |
| 166 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 167 | ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 168 | Method = M; |
| 169 | Next = C; |
| 170 | } |
| 171 | }; |
| 172 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 173 | /// messages to "id". We need to maintain a list, since selectors can have |
| 174 | /// differing signatures across classes. In Cocoa, this happens to be |
| 175 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 176 | llvm::DenseMap<Selector, ObjCMethodList> InstanceMethodPool; |
| 177 | llvm::DenseMap<Selector, ObjCMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 178 | public: |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 179 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 180 | |
| 181 | const LangOptions &getLangOptions() const; |
| 182 | |
| 183 | /// The primitive diagnostic helpers - always returns true, which simplifies |
| 184 | /// error handling (i.e. less code). |
| 185 | bool Diag(SourceLocation Loc, unsigned DiagID); |
| 186 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg); |
| 187 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 188 | const std::string &Msg2); |
| 189 | |
| 190 | /// More expressive diagnostic helpers for expressions (say that 6 times:-) |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 191 | bool Diag(SourceLocation Loc, unsigned DiagID, const SourceRange& R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 192 | bool Diag(SourceLocation Loc, unsigned DiagID, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 193 | const SourceRange& R1, const SourceRange& R2); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 194 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 195 | const SourceRange& R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 196 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 197 | const SourceRange& R1, const SourceRange& R2); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 198 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 199 | const std::string &Msg2, const SourceRange& R1); |
Chris Lattner | 4667ac3 | 2008-01-03 23:38:43 +0000 | [diff] [blame] | 200 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 201 | const std::string &Msg2, const std::string &Msg3, |
| 202 | const SourceRange& R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 203 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 204 | const std::string &Msg1, const std::string &Msg2, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 205 | const SourceRange& R1, const SourceRange& R2); |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 206 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 207 | virtual void DeleteExpr(ExprTy *E); |
| 208 | virtual void DeleteStmt(StmtTy *S); |
| 209 | |
Chris Lattner | 9299f3f | 2008-08-23 03:19:52 +0000 | [diff] [blame] | 210 | virtual void ActOnEndOfTranslationUnit(); |
| 211 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 212 | //===--------------------------------------------------------------------===// |
| 213 | // Type Analysis / Processing: SemaType.cpp. |
| 214 | // |
Chris Lattner | fca0ddd | 2008-06-26 06:27:57 +0000 | [diff] [blame] | 215 | QualType ConvertDeclSpecToType(const DeclSpec &DS); |
Chris Lattner | c9b346d | 2008-06-29 00:50:08 +0000 | [diff] [blame] | 216 | void ProcessTypeAttributeList(QualType &Result, const AttributeList *AL); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 217 | QualType GetTypeForDeclarator(Declarator &D, Scope *S); |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 218 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 219 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 220 | QualType ObjCGetTypeForMethodDefinition(DeclTy *D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 221 | |
| 222 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 223 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 224 | private: |
| 225 | //===--------------------------------------------------------------------===// |
| 226 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 227 | // |
Argyrios Kyrtzidis | 39caa08 | 2008-08-01 10:35:27 +0000 | [diff] [blame] | 228 | virtual TypeTy *isTypeName(const IdentifierInfo &II, Scope *S); |
Daniel Dunbar | 914701e | 2008-08-05 16:28:08 +0000 | [diff] [blame] | 229 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 230 | virtual DeclTy *ActOnParamDeclarator(Scope *S, Declarator &D); |
| 231 | virtual void ActOnParamDefaultArgument(DeclTy *param, |
| 232 | SourceLocation EqualLoc, |
| 233 | ExprTy *defarg); |
Steve Naroff | bb20469 | 2007-09-12 14:07:44 +0000 | [diff] [blame] | 234 | void AddInitializerToDecl(DeclTy *dcl, ExprTy *init); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 235 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 236 | |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 237 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 238 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, DeclTy *D); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 239 | virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D); |
Steve Naroff | d6d054d | 2007-11-11 23:20:51 +0000 | [diff] [blame] | 240 | |
| 241 | virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtTy *Body); |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame] | 242 | virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace, |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 243 | SourceLocation RBrace, const char *Lang, |
| 244 | unsigned StrSize, DeclTy *D); |
Anders Carlsson | dfab6cb | 2008-02-08 00:33:21 +0000 | [diff] [blame] | 245 | virtual DeclTy *ActOnFileScopeAsmDecl(SourceLocation Loc, ExprTy *expr); |
| 246 | |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 247 | /// Scope actions. |
| 248 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 249 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 250 | |
| 251 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 252 | /// no declarator (e.g. "struct foo;") is parsed. |
| 253 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| 254 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 255 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 256 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 257 | SourceLocation NameLoc, AttributeList *Attr); |
Ted Kremenek | 4b7c983 | 2008-09-05 17:16:31 +0000 | [diff] [blame] | 258 | |
| 259 | DeclTy* ActOnTagStruct(Scope *S, TagDecl::TagKind Kind, TagKind TK, |
| 260 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 261 | SourceLocation NameLoc, AttributeList *Attr); |
| 262 | |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 263 | virtual void ActOnDefs(Scope *S, SourceLocation DeclStart, |
| 264 | IdentifierInfo *ClassName, |
| 265 | llvm::SmallVectorImpl<DeclTy*> &Decls); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 266 | virtual DeclTy *ActOnField(Scope *S, SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 267 | Declarator &D, ExprTy *BitfieldWidth); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 268 | |
| 269 | virtual DeclTy *ActOnIvar(Scope *S, SourceLocation DeclStart, |
| 270 | Declarator &D, ExprTy *BitfieldWidth, |
Fariborz Jahanian | 45bc03f | 2008-04-11 16:55:42 +0000 | [diff] [blame] | 271 | tok::ObjCKeywordKind visibility); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 272 | |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 273 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 274 | virtual void ActOnFields(Scope* S, |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 275 | SourceLocation RecLoc, DeclTy *TagDecl, |
| 276 | DeclTy **Fields, unsigned NumFields, |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 277 | SourceLocation LBrac, SourceLocation RBrac); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 278 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 279 | DeclTy *LastEnumConstant, |
| 280 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 281 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 282 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 283 | DeclTy **Elements, unsigned NumElements); |
| 284 | private: |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 285 | DeclContext *getDCParent(DeclContext *DC); |
| 286 | |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 287 | /// Set the current declaration context until it gets popped. |
Chris Lattner | 9fdf9c6 | 2008-04-22 18:39:57 +0000 | [diff] [blame] | 288 | void PushDeclContext(DeclContext *DC); |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 289 | void PopDeclContext(); |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 290 | |
| 291 | /// CurFunctionDecl - If inside of a function body, this returns a pointer to |
| 292 | /// the function decl for the function being parsed. |
| 293 | FunctionDecl *getCurFunctionDecl() { |
| 294 | return dyn_cast<FunctionDecl>(CurContext); |
| 295 | } |
| 296 | |
| 297 | /// CurMethodDecl - If inside of a method body, this returns a pointer to |
| 298 | /// the method decl for the method being parsed. |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 299 | ObjCMethodDecl *getCurMethodDecl(); |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 300 | |
Argyrios Kyrtzidis | 87f3ff0 | 2008-04-12 00:47:19 +0000 | [diff] [blame] | 301 | /// Add this decl to the scope shadowed decl chains. |
| 302 | void PushOnScopeChains(NamedDecl *D, Scope *S); |
| 303 | |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 304 | /// Subroutines of ActOnDeclarator(). |
Chris Lattner | 41af093 | 2007-11-14 06:34:38 +0000 | [diff] [blame] | 305 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| 306 | ScopedDecl *LastDecl); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 307 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, Decl *Old); |
Douglas Gregor | f009795 | 2008-04-21 02:02:58 +0000 | [diff] [blame] | 308 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, Decl *Old, |
| 309 | bool &Redeclaration); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 310 | VarDecl *MergeVarDecl(VarDecl *New, Decl *Old); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 311 | FunctionDecl *MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
Steve Naroff | ff9eb1f | 2008-08-08 17:50:35 +0000 | [diff] [blame] | 312 | void CheckForFileScopedRedefinitions(Scope *S, VarDecl *VD); |
| 313 | |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 314 | /// Helpers for dealing with function parameters |
| 315 | bool CheckParmsForFunctionDef(FunctionDecl *FD); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 316 | void CheckCXXDefaultArguments(FunctionDecl *FD); |
Douglas Gregor | 6d6eb57 | 2008-05-07 04:49:29 +0000 | [diff] [blame] | 317 | void CheckExtraCXXDefaultArguments(Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 318 | |
| 319 | /// More parsing and symbol table subroutines... |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 320 | Decl *LookupDecl(const IdentifierInfo *II, unsigned NSI, Scope *S, |
| 321 | bool enableLazyBuiltinCreation = true); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 322 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 323 | ScopedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
| 324 | Scope *S); |
Steve Naroff | 8c9f13e | 2007-09-16 16:16:00 +0000 | [diff] [blame] | 325 | ScopedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 326 | Scope *S); |
| 327 | // Decl attributes - this routine is the top level dispatcher. |
Chris Lattner | e5c5ee1 | 2008-06-29 00:16:31 +0000 | [diff] [blame] | 328 | void ProcessDeclAttributes(Decl *D, const Declarator &PD); |
Chris Lattner | f2e4bd5 | 2008-06-28 23:58:55 +0000 | [diff] [blame] | 329 | void ProcessDeclAttributeList(Decl *D, const AttributeList *AttrList); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 330 | |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 331 | void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| 332 | bool &IncompleteImpl); |
| 333 | |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 334 | /// CheckProtocolMethodDefs - This routine checks unimpletented |
| 335 | /// methods declared in protocol, and those referenced by it. |
| 336 | /// \param IDecl - Used for checking for methods which may have been |
| 337 | /// inherited. |
Steve Naroff | efe7f36 | 2008-02-08 22:06:17 +0000 | [diff] [blame] | 338 | void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| 339 | ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 340 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 341 | const llvm::DenseSet<Selector> &InsMap, |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 342 | const llvm::DenseSet<Selector> &ClsMap, |
| 343 | ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 344 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 345 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 346 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 347 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 348 | ObjCIvarDecl **Fields, unsigned nIvars, |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 349 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 350 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 351 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 352 | /// remains unimplemented in the @implementation class. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 353 | void ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl, |
| 354 | ObjCInterfaceDecl* IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 355 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 356 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 357 | /// category interface is implemented in the category @implementation. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 358 | void ImplCategoryMethodsVsIntfMethods(ObjCCategoryImplDecl *CatImplDecl, |
| 359 | ObjCCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 360 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 361 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 362 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
| 363 | const ObjCMethodDecl *PrevMethod); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 364 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 365 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 366 | /// unit are added to a global pool. This allows us to efficiently associate |
| 367 | /// a selector with a method declaraation for purposes of typechecking |
| 368 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 369 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 370 | |
| 371 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 372 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 373 | //===--------------------------------------------------------------------===// |
| 374 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 375 | public: |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 376 | virtual StmtResult ActOnExprStmt(ExprTy *Expr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 377 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 378 | virtual StmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 379 | virtual StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
Chris Lattner | 98414c1 | 2007-08-31 21:49:55 +0000 | [diff] [blame] | 380 | StmtTy **Elts, unsigned NumElts, |
| 381 | bool isStmtExpr); |
Chris Lattner | 81c018d | 2008-03-13 06:29:04 +0000 | [diff] [blame] | 382 | virtual StmtResult ActOnDeclStmt(DeclTy *Decl, SourceLocation StartLoc, |
| 383 | SourceLocation EndLoc); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 384 | virtual StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprTy *LHSVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 385 | SourceLocation DotDotDotLoc, ExprTy *RHSVal, |
| 386 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 387 | virtual StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
Chris Lattner | 6c36be5 | 2007-07-18 02:28:47 +0000 | [diff] [blame] | 388 | SourceLocation ColonLoc, StmtTy *SubStmt, |
| 389 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 390 | virtual StmtResult ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 391 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 392 | virtual StmtResult ActOnIfStmt(SourceLocation IfLoc, ExprTy *CondVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 393 | StmtTy *ThenVal, SourceLocation ElseLoc, |
| 394 | StmtTy *ElseVal); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 395 | virtual StmtResult ActOnStartOfSwitchStmt(ExprTy *Cond); |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 396 | virtual StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 397 | StmtTy *Switch, ExprTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 398 | virtual StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprTy *Cond, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 399 | StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 400 | virtual StmtResult ActOnDoStmt(SourceLocation DoLoc, StmtTy *Body, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 401 | SourceLocation WhileLoc, ExprTy *Cond); |
| 402 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 403 | virtual StmtResult ActOnForStmt(SourceLocation ForLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 404 | SourceLocation LParenLoc, |
| 405 | StmtTy *First, ExprTy *Second, ExprTy *Third, |
| 406 | SourceLocation RParenLoc, StmtTy *Body); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 407 | virtual StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
Fariborz Jahanian | 3ba5a0f | 2008-01-03 17:55:25 +0000 | [diff] [blame] | 408 | SourceLocation LParenLoc, |
| 409 | StmtTy *First, ExprTy *Second, |
| 410 | SourceLocation RParenLoc, StmtTy *Body); |
| 411 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 412 | virtual StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 413 | SourceLocation LabelLoc, |
| 414 | IdentifierInfo *LabelII); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 415 | virtual StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 416 | SourceLocation StarLoc, |
| 417 | ExprTy *DestExp); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 418 | virtual StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 419 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 420 | virtual StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 421 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 422 | virtual StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 423 | ExprTy *RetValExp); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 424 | StmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 425 | |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 426 | virtual StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
Anders Carlsson | dfab34a | 2008-02-05 23:03:50 +0000 | [diff] [blame] | 427 | bool IsSimple, |
Anders Carlsson | 39c47b5 | 2007-11-23 23:12:25 +0000 | [diff] [blame] | 428 | bool IsVolatile, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 429 | unsigned NumOutputs, |
| 430 | unsigned NumInputs, |
| 431 | std::string *Names, |
| 432 | ExprTy **Constraints, |
| 433 | ExprTy **Exprs, |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 434 | ExprTy *AsmString, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 435 | unsigned NumClobbers, |
| 436 | ExprTy **Clobbers, |
Chris Lattner | fe79595 | 2007-10-29 04:04:16 +0000 | [diff] [blame] | 437 | SourceLocation RParenLoc); |
| 438 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 439 | virtual StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 440 | SourceLocation RParen, StmtTy *Parm, |
| 441 | StmtTy *Body, StmtTy *CatchList); |
| 442 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 443 | virtual StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 444 | StmtTy *Body); |
| 445 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 446 | virtual StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 447 | StmtTy *Try, |
| 448 | StmtTy *Catch, StmtTy *Finally); |
| 449 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 450 | virtual StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 451 | StmtTy *Throw); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 452 | virtual StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| 453 | ExprTy *SynchExpr, |
| 454 | StmtTy *SynchBody); |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 455 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 456 | //===--------------------------------------------------------------------===// |
| 457 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 458 | |
| 459 | // Primary Expressions. |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 460 | virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 461 | IdentifierInfo &II, |
| 462 | bool HasTrailingLParen); |
Chris Lattner | d9f6910 | 2008-08-10 01:53:14 +0000 | [diff] [blame] | 463 | virtual ExprResult ActOnPredefinedExpr(SourceLocation Loc, |
| 464 | tok::TokenKind Kind); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 465 | virtual ExprResult ActOnNumericConstant(const Token &); |
| 466 | virtual ExprResult ActOnCharacterConstant(const Token &); |
| 467 | virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 468 | ExprTy *Val); |
| 469 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 470 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 471 | /// fragments (e.g. "foo" "bar" L"baz"). |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 472 | virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 473 | |
| 474 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 475 | virtual ExprResult ActOnUnaryOp(SourceLocation OpLoc, tok::TokenKind Op, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 476 | ExprTy *Input); |
| 477 | virtual ExprResult |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 478 | ActOnSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 479 | SourceLocation LParenLoc, TypeTy *Ty, |
| 480 | SourceLocation RParenLoc); |
| 481 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 482 | virtual ExprResult ActOnPostfixUnaryOp(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 483 | tok::TokenKind Kind, ExprTy *Input); |
| 484 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 485 | virtual ExprResult ActOnArraySubscriptExpr(ExprTy *Base, SourceLocation LLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 486 | ExprTy *Idx, SourceLocation RLoc); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 487 | virtual ExprResult ActOnMemberReferenceExpr(ExprTy *Base,SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 488 | tok::TokenKind OpKind, |
| 489 | SourceLocation MemberLoc, |
| 490 | IdentifierInfo &Member); |
| 491 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 492 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 493 | /// This provides the location of the left/right parens and a list of comma |
| 494 | /// locations. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 495 | virtual ExprResult ActOnCallExpr(ExprTy *Fn, SourceLocation LParenLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 496 | ExprTy **Args, unsigned NumArgs, |
| 497 | SourceLocation *CommaLocs, |
| 498 | SourceLocation RParenLoc); |
| 499 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 500 | virtual ExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 501 | SourceLocation RParenLoc, ExprTy *Op); |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 502 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 503 | virtual ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, TypeTy *Ty, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 504 | SourceLocation RParenLoc, ExprTy *Op); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 505 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 506 | virtual ExprResult ActOnInitList(SourceLocation LParenLoc, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 507 | ExprTy **InitList, unsigned NumInit, |
| 508 | SourceLocation RParenLoc); |
| 509 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 510 | virtual ExprResult ActOnBinOp(SourceLocation TokLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 511 | ExprTy *LHS,ExprTy *RHS); |
| 512 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 513 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 514 | /// in the case of a the GNU conditional expr extension. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 515 | virtual ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 516 | SourceLocation ColonLoc, |
| 517 | ExprTy *Cond, ExprTy *LHS, ExprTy *RHS); |
| 518 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 519 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 520 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 521 | IdentifierInfo *LabelII); |
| 522 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 523 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 524 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 525 | |
| 526 | /// __builtin_offsetof(type, a.b[123][456].c) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 527 | virtual ExprResult ActOnBuiltinOffsetOf(SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 528 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 529 | OffsetOfComponent *CompPtr, |
| 530 | unsigned NumComponents, |
| 531 | SourceLocation RParenLoc); |
| 532 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 533 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 534 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 535 | TypeTy *arg1, TypeTy *arg2, |
| 536 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 537 | |
| 538 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 539 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 540 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 541 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 542 | |
Nate Begeman | e2ce1d9 | 2008-01-17 17:46:27 +0000 | [diff] [blame] | 543 | // __builtin_overload(...) |
| 544 | virtual ExprResult ActOnOverloadExpr(ExprTy **Args, unsigned NumArgs, |
| 545 | SourceLocation *CommaLocs, |
| 546 | SourceLocation BuiltinLoc, |
| 547 | SourceLocation RParenLoc); |
Nate Begeman | 440b456 | 2008-03-07 20:04:22 +0000 | [diff] [blame] | 548 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 549 | // __builtin_va_arg(expr, type) |
| 550 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 551 | ExprTy *expr, TypeTy *type, |
| 552 | SourceLocation RPLoc); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 553 | |
| 554 | //===------------------------- "Block" Extension ------------------------===// |
| 555 | |
| 556 | /// ActOnBlockStart - This callback is invoked when a block literal is |
| 557 | /// started. |
| 558 | virtual void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope, |
| 559 | Declarator &ParamInfo); |
| 560 | |
| 561 | /// ActOnBlockError - If there is an error parsing a block, this callback |
| 562 | /// is invoked to pop the information about the block from the action impl. |
| 563 | virtual void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); |
| 564 | |
| 565 | /// ActOnBlockStmtExpr - This is called when the body of a block statement |
| 566 | /// literal was successfully completed. ^(int x){...} |
| 567 | virtual ExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, StmtTy *Body, |
| 568 | Scope *CurScope); |
| 569 | |
| 570 | /// ActOnBlockExprExpr - This is called when the body of a block |
| 571 | /// expression literal was successfully completed. ^(int x)[foo bar: x] |
| 572 | virtual ExprResult ActOnBlockExprExpr(SourceLocation CaretLoc, ExprTy *Body, |
| 573 | Scope *CurScope); |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 574 | |
Argyrios Kyrtzidis | 2d1c5d3 | 2008-04-27 13:50:30 +0000 | [diff] [blame] | 575 | // Act on C++ namespaces |
| 576 | virtual DeclTy *ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc, |
| 577 | IdentifierInfo *Ident, |
| 578 | SourceLocation LBrace); |
| 579 | virtual void ActOnFinishNamespaceDef(DeclTy *Dcl, SourceLocation RBrace); |
| 580 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 581 | /// ActOnCXXCasts - Parse {dynamic,static,reinterpret,const}_cast's. |
| 582 | virtual ExprResult ActOnCXXCasts(SourceLocation OpLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 583 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 584 | SourceLocation RAngleBracketLoc, |
| 585 | SourceLocation LParenLoc, ExprTy *E, |
| 586 | SourceLocation RParenLoc); |
| 587 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 588 | //// ActOnCXXThis - Parse 'this' pointer. |
| 589 | virtual ExprResult ActOnCXXThis(SourceLocation ThisLoc); |
| 590 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 591 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 592 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 593 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 594 | |
Chris Lattner | 50dd289 | 2008-02-26 00:51:44 +0000 | [diff] [blame] | 595 | //// ActOnCXXThrow - Parse throw expressions. |
| 596 | virtual ExprResult ActOnCXXThrow(SourceLocation OpLoc, |
| 597 | ExprTy *expr); |
| 598 | |
Argyrios Kyrtzidis | 987a14b | 2008-08-22 15:38:55 +0000 | [diff] [blame] | 599 | /// ActOnCXXTypeConstructExpr - Parse construction of a specified type. |
| 600 | /// Can be interpreted either as function-style casting ("int(x)") |
| 601 | /// or class type construction ("ClassType(x,y,z)") |
| 602 | /// or creation of a value-initialized type ("int()"). |
| 603 | virtual ExprResult ActOnCXXTypeConstructExpr(SourceRange TypeRange, |
| 604 | TypeTy *TypeRep, |
| 605 | SourceLocation LParenLoc, |
| 606 | ExprTy **Exprs, |
| 607 | unsigned NumExprs, |
| 608 | SourceLocation *CommaLocs, |
| 609 | SourceLocation RParenLoc); |
| 610 | |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 611 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 612 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 613 | ExprTy **Strings, |
| 614 | unsigned NumStrings); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 615 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 616 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 617 | SourceLocation LParenLoc, |
| 618 | TypeTy *Ty, |
| 619 | SourceLocation RParenLoc); |
| 620 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 621 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 622 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 623 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 624 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 625 | SourceLocation LParenLoc, |
| 626 | SourceLocation RParenLoc); |
| 627 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 628 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 629 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 630 | SourceLocation AtLoc, |
| 631 | SourceLocation ProtoLoc, |
| 632 | SourceLocation LParenLoc, |
| 633 | SourceLocation RParenLoc); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 634 | |
| 635 | //===--------------------------------------------------------------------===// |
| 636 | // C++ Classes |
| 637 | // |
| 638 | /// ActOnBaseSpecifier - Parsed a base specifier |
| 639 | virtual void ActOnBaseSpecifier(DeclTy *classdecl, SourceRange SpecifierRange, |
| 640 | bool Virtual, AccessSpecifier Access, |
Argyrios Kyrtzidis | 39caa08 | 2008-08-01 10:35:27 +0000 | [diff] [blame] | 641 | TypeTy *basetype, SourceLocation BaseLoc); |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 642 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 643 | virtual void ActOnStartCXXClassDef(Scope *S, DeclTy *TagDecl, |
| 644 | SourceLocation LBrace); |
| 645 | |
| 646 | virtual DeclTy *ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, |
| 647 | Declarator &D, ExprTy *BitfieldWidth, |
| 648 | ExprTy *Init, DeclTy *LastInGroup); |
| 649 | |
| 650 | virtual void ActOnFinishCXXMemberSpecification(Scope* S, SourceLocation RLoc, |
| 651 | DeclTy *TagDecl, |
| 652 | SourceLocation LBrac, |
| 653 | SourceLocation RBrac); |
| 654 | |
Argyrios Kyrtzidis | 5b7f0c8 | 2008-08-09 00:39:29 +0000 | [diff] [blame] | 655 | virtual void ActOnFinishCXXClassDef(DeclTy *TagDecl); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 656 | |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 657 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 658 | // Objective-C declarations. |
Chris Lattner | 06036d3 | 2008-07-26 04:13:19 +0000 | [diff] [blame] | 659 | virtual DeclTy *ActOnStartClassInterface(SourceLocation AtInterfaceLoc, |
| 660 | IdentifierInfo *ClassName, |
| 661 | SourceLocation ClassLoc, |
| 662 | IdentifierInfo *SuperName, |
| 663 | SourceLocation SuperLoc, |
| 664 | DeclTy * const *ProtoRefs, |
| 665 | unsigned NumProtoRefs, |
| 666 | SourceLocation EndProtoLoc, |
| 667 | AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 668 | |
| 669 | virtual DeclTy *ActOnCompatiblityAlias( |
| 670 | SourceLocation AtCompatibilityAliasLoc, |
| 671 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 672 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 673 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 674 | virtual DeclTy *ActOnStartProtocolInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 675 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 676 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 677 | DeclTy * const *ProtoRefNames, unsigned NumProtoRefs, |
Steve Naroff | f908a87 | 2007-10-30 02:23:23 +0000 | [diff] [blame] | 678 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 679 | |
Chris Lattner | 6bd6d0b | 2008-07-26 04:07:02 +0000 | [diff] [blame] | 680 | virtual DeclTy *ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc, |
| 681 | IdentifierInfo *ClassName, |
| 682 | SourceLocation ClassLoc, |
| 683 | IdentifierInfo *CategoryName, |
| 684 | SourceLocation CategoryLoc, |
| 685 | DeclTy * const *ProtoRefs, |
| 686 | unsigned NumProtoRefs, |
| 687 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 688 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 689 | virtual DeclTy *ActOnStartClassImplementation( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 690 | SourceLocation AtClassImplLoc, |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 691 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 692 | IdentifierInfo *SuperClassname, |
| 693 | SourceLocation SuperClassLoc); |
| 694 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 695 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 696 | SourceLocation AtCatImplLoc, |
| 697 | IdentifierInfo *ClassName, |
| 698 | SourceLocation ClassLoc, |
| 699 | IdentifierInfo *CatName, |
| 700 | SourceLocation CatLoc); |
| 701 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 702 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 703 | IdentifierInfo **IdentList, |
| 704 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 705 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 706 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 707 | const IdentifierLocPair *IdentList, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 708 | unsigned NumElts); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 709 | |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 710 | virtual void FindProtocolDeclaration(bool WarnOnDeclarations, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 711 | const IdentifierLocPair *ProtocolId, |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 712 | unsigned NumProtocols, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 713 | llvm::SmallVectorImpl<DeclTy *> &Protocols); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 714 | |
| 715 | void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| 716 | ObjCPropertyDecl *SuperProperty, |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 717 | const char *Name); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 718 | void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | b5e0224 | 2008-04-24 19:58:34 +0000 | [diff] [blame] | 719 | |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 720 | void MergeProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 721 | DeclTy *MergeProtocols); |
| 722 | |
| 723 | void MergeOneProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 724 | ObjCProtocolDecl *PDecl); |
| 725 | |
Steve Naroff | 0416fb9 | 2007-11-11 17:19:15 +0000 | [diff] [blame] | 726 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl, |
| 727 | DeclTy **allMethods = 0, unsigned allNum = 0, |
| 728 | DeclTy **allProperties = 0, unsigned pNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 729 | |
Fariborz Jahanian | 1de1e74 | 2008-04-14 23:36:35 +0000 | [diff] [blame] | 730 | virtual DeclTy *ActOnProperty(Scope *S, SourceLocation AtLoc, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 731 | FieldDeclarator &FD, ObjCDeclSpec &ODS, |
Fariborz Jahanian | 5251e13 | 2008-05-06 18:09:04 +0000 | [diff] [blame] | 732 | Selector GetterSel, Selector SetterSel, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 733 | tok::ObjCKeywordKind MethodImplKind); |
| 734 | |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 735 | virtual DeclTy *ActOnPropertyImplDecl(SourceLocation AtLoc, |
| 736 | SourceLocation PropertyLoc, |
| 737 | bool ImplKind, DeclTy *ClassImplDecl, |
| 738 | IdentifierInfo *PropertyId, |
| 739 | IdentifierInfo *PropertyIvar); |
| 740 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 741 | virtual DeclTy *ActOnMethodDeclaration( |
| 742 | SourceLocation BeginLoc, // location of the + or -. |
| 743 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 744 | tok::TokenKind MethodType, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 745 | DeclTy *ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 746 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 747 | // optional arguments. The number of types/arguments is obtained |
| 748 | // from the Sel.getNumArgs(). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 749 | ObjCDeclSpec *ArgQT, TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 750 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 751 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 752 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 753 | // ActOnClassMessage - used for both unary and keyword messages. |
| 754 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 755 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 756 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 757 | Scope *S, |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 758 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 759 | SourceLocation lbrac, SourceLocation rbrac, |
| 760 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 761 | |
| 762 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 763 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 764 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 765 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 766 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 767 | SourceLocation lbrac, SourceLocation rbrac, |
| 768 | ExprTy **ArgExprs, unsigned NumArgs); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 769 | private: |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 770 | /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| 771 | /// cast. If there is already an implicit cast, merge into the existing one. |
| 772 | void ImpCastExprToType(Expr *&Expr, QualType Type); |
| 773 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 774 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 775 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 776 | Expr *UsualUnaryConversions(Expr *&expr); |
Eli Friedman | 3c0eb16 | 2008-05-27 03:33:27 +0000 | [diff] [blame] | 777 | |
| 778 | // UsualUnaryConversionType - Same as UsualUnaryConversions, but works |
| 779 | // on types instead of expressions |
| 780 | QualType UsualUnaryConversionType(QualType Ty); |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 781 | |
| 782 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 783 | // to their respective pointers (C99 6.3.2.1). |
| 784 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 785 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 786 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 787 | // do not have a prototype. Integer promotions are performed on each |
| 788 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 789 | void DefaultArgumentPromotion(Expr *&Expr); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 790 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 791 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 792 | // operands and then handles various conversions that are common to binary |
| 793 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 794 | // routine returns the first non-arithmetic type found. The client is |
| 795 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 796 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 797 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 798 | |
| 799 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 800 | /// enum to indicate whether the assignment was allowed. These checks are |
| 801 | /// done for simple assignments, as well as initialization, return from |
| 802 | /// function, argument passing, etc. The query is phrased in terms of a |
| 803 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 804 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 805 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 806 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 807 | |
| 808 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 809 | /// accept as an extension. |
| 810 | PointerToInt, |
| 811 | |
| 812 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 813 | /// accept as an extension. |
| 814 | IntToPointer, |
| 815 | |
| 816 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 817 | /// 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] | 818 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 819 | |
| 820 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 821 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 822 | IncompatiblePointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 823 | |
| 824 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 825 | /// c/v/r qualifiers, which we accept as an extension. |
| 826 | CompatiblePointerDiscardsQualifiers, |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 827 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 828 | /// IntToBlockPointer - The assignment converts an int to a block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 829 | /// pointer. We disallow this. |
| 830 | IntToBlockPointer, |
| 831 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 832 | /// IncompatibleBlockPointer - The assignment is between two block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 833 | /// pointers types that are not compatible. |
| 834 | IncompatibleBlockPointer, |
| 835 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 836 | /// BlockVoidPointer - The assignment is between a block pointer and |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 837 | /// void*, we accept for now. |
| 838 | BlockVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 839 | |
| 840 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 841 | /// represent it in the AST. |
| 842 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 843 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 844 | |
| 845 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 846 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 847 | /// conversion was invalid or false if the conversion was accepted. |
| 848 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 849 | SourceLocation Loc, |
| 850 | QualType DstType, QualType SrcType, |
| 851 | Expr *SrcExpr, const char *Flavor); |
| 852 | |
| 853 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 854 | /// argument passing, variable initialization, and function return values. |
| 855 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 856 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 857 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 858 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 859 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 860 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 861 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 862 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 863 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 864 | // conversions. For compound assignments, the "Check...Operands" methods |
| 865 | // perform the necessary conversions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 866 | AssignConvertType CheckCompoundAssignmentConstraints(QualType lhs, |
| 867 | QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 868 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 869 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 870 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 871 | QualType rhsType); |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 872 | |
| 873 | // Helper function for CheckAssignmentConstraints involving two |
| 874 | // blcok pointer types. |
| 875 | AssignConvertType CheckBlockPointerTypesForAssignment(QualType lhsType, |
| 876 | QualType rhsType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 877 | |
| 878 | /// the following "Check" methods will return a valid/converted QualType |
| 879 | /// or a null QualType (indicating an error diagnostic was issued). |
| 880 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 881 | /// type checking binary operators (subroutines of ActOnBinOp). |
Chris Lattner | ca5eede | 2007-12-12 05:47:28 +0000 | [diff] [blame] | 882 | inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 883 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 884 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 885 | inline QualType CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 886 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 887 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 888 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 889 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 890 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 891 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 892 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 893 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 894 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 895 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 896 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 897 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 898 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 899 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 900 | // For simple assignment, pass both expressions and a null converted type. |
| 901 | // For compound assignment, pass both expressions and the converted type. |
| 902 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 903 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 904 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 905 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 906 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 907 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Nate Begeman | be2341d | 2008-07-14 18:02:46 +0000 | [diff] [blame] | 908 | |
| 909 | /// type checking for vector binary operators. |
| 910 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
| 911 | inline QualType CheckVectorCompareOperands(Expr *&lex, Expr *&rx, |
| 912 | SourceLocation l, bool isRel); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 913 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 914 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 915 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| 916 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc); |
| 917 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 918 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
Chris Lattner | bb280a4 | 2008-07-25 21:45:37 +0000 | [diff] [blame] | 919 | QualType CheckSizeOfAlignOfOperand(QualType type, SourceLocation OpLoc, |
| 920 | const SourceRange &R, bool isSizeof); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 921 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 922 | |
| 923 | /// type checking primary expressions. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 924 | QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc, |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 925 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 926 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 927 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 928 | friend class InitListChecker; |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 929 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType); |
| 930 | bool CheckSingleInitializer(Expr *&simpleInit, QualType declType); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 931 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Eli Friedman | c594b32 | 2008-05-20 13:48:25 +0000 | [diff] [blame] | 932 | bool CheckArithmeticConstantExpression(const Expr* e); |
| 933 | bool CheckAddressConstantExpression(const Expr* e); |
| 934 | bool CheckAddressConstantExpressionLValue(const Expr* e); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 935 | |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 936 | StringLiteral *IsStringLiteralInit(Expr *Init, QualType DeclType); |
| 937 | bool CheckStringLiteralInit(StringLiteral *strLiteral, QualType &DeclT); |
Argyrios Kyrtzidis | 6c2dc4d | 2008-08-16 20:27:34 +0000 | [diff] [blame] | 938 | |
| 939 | /// CheckCastTypes - Check type constraints for casting between types. |
Daniel Dunbar | 58d5ebb | 2008-08-20 03:55:42 +0000 | [diff] [blame] | 940 | bool CheckCastTypes(SourceRange TyRange, QualType CastTy, Expr *&CastExpr); |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 941 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 942 | // CheckVectorCast - check type constraints for vectors. |
| 943 | // Since vectors are an extension, there are no C standard reference for this. |
| 944 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 945 | // returns true if the cast is invalid |
| 946 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 947 | |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 948 | // returns true if there were any incompatible arguments. |
| 949 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 950 | ObjCMethodDecl *Method); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 951 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 952 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 953 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 954 | /// the specified diagnostic. |
| 955 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 956 | unsigned NewWidth, bool NewSign, |
| 957 | SourceLocation Loc, unsigned DiagID); |
| 958 | |
Chris Lattner | eca7be6 | 2008-04-07 05:30:13 +0000 | [diff] [blame] | 959 | bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, |
| 960 | bool ForCompare); |
| 961 | |
| 962 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 963 | void InitBuiltinVaListType(); |
Eli Friedman | 1b76ada | 2008-06-03 21:01:11 +0000 | [diff] [blame] | 964 | |
| 965 | // Helper method to turn variable array types into |
| 966 | // constant array types in certain situations which would otherwise |
| 967 | // be errors |
| 968 | QualType TryFixInvalidVariablyModifiedType(QualType T); |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 969 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 970 | //===--------------------------------------------------------------------===// |
| 971 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 972 | private: |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 973 | Action::ExprResult CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 974 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
| 975 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 976 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
Eli Friedman | 6cfda23 | 2008-05-20 08:23:37 +0000 | [diff] [blame] | 977 | bool SemaBuiltinStackAddress(CallExpr *TheCall); |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 978 | Action::ExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
Daniel Dunbar | 4493f79 | 2008-07-21 22:59:13 +0000 | [diff] [blame] | 979 | bool SemaBuiltinPrefetch(CallExpr *TheCall); |
Daniel Dunbar | d5f8a4f | 2008-09-03 21:13:56 +0000 | [diff] [blame] | 980 | bool SemaBuiltinObjectSize(CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 981 | void CheckPrintfArguments(CallExpr *TheCall, |
| 982 | bool HasVAListArg, unsigned format_idx); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 983 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 984 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 985 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 986 | }; |
| 987 | |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 988 | class InitListChecker { |
| 989 | Sema *SemaRef; |
| 990 | bool hadError; |
| 991 | |
| 992 | void CheckImplicitInitList(InitListExpr *ParentIList, QualType T, |
| 993 | unsigned &Index); |
Steve Naroff | a647caa | 2008-05-06 00:23:44 +0000 | [diff] [blame] | 994 | void CheckExplicitInitList(InitListExpr *IList, QualType &T, |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 995 | unsigned &Index); |
| 996 | |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 997 | void CheckListElementTypes(InitListExpr *IList, QualType &DeclType, |
| 998 | unsigned &Index); |
| 999 | void CheckSubElementType(InitListExpr *IList, QualType ElemType, |
| 1000 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1001 | // FIXME: Does DeclType need to be a reference type? |
| 1002 | void CheckScalarType(InitListExpr *IList, QualType &DeclType, |
| 1003 | unsigned &Index); |
| 1004 | void CheckVectorType(InitListExpr *IList, QualType DeclType, unsigned &Index); |
| 1005 | void CheckStructUnionTypes(InitListExpr *IList, QualType DeclType, |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 1006 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1007 | void CheckArrayType(InitListExpr *IList, QualType &DeclType, unsigned &Index); |
| 1008 | |
| 1009 | int numArrayElements(QualType DeclType); |
| 1010 | int numStructUnionElements(QualType DeclType); |
| 1011 | public: |
| 1012 | InitListChecker(Sema *S, InitListExpr *IL, QualType &T); |
| 1013 | bool HadError() { return hadError; } |
| 1014 | }; |
| 1015 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1016 | /// BlockSemaInfo - When a block is being parsed, this contains information |
| 1017 | /// about the block. It is pointed to from Sema::CurBlock. |
| 1018 | struct BlockSemaInfo { |
| 1019 | llvm::SmallVector<ParmVarDecl*, 8> Params; |
| 1020 | llvm::SmallPtrSet<Decl*, 4> ByRefVars; |
| 1021 | bool hasPrototype; |
| 1022 | bool isVariadic; |
| 1023 | |
| 1024 | /// TheScope - This is the scope for the block itself, which contains |
| 1025 | /// arguments etc. |
| 1026 | Scope *TheScope; |
| 1027 | |
| 1028 | /// ReturnType - This will get set to block result type, by looking at |
| 1029 | /// return types, if any, in the block body. |
| 1030 | Type *ReturnType; |
| 1031 | |
| 1032 | /// PrevBlockInfo - If this is nested inside another block, this points |
| 1033 | /// to the outer block. |
| 1034 | BlockSemaInfo *PrevBlockInfo; |
| 1035 | }; |
| 1036 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1037 | |
| 1038 | } // end namespace clang |
| 1039 | |
| 1040 | #endif |