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" |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 20 | #include "SemaOverload.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 21 | #include "clang/Parse/Action.h" |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 22 | #include "llvm/ADT/SmallVector.h" |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 23 | #include "llvm/ADT/DenseSet.h" |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 24 | #include "llvm/ADT/SmallPtrSet.h" |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 25 | #include "llvm/ADT/OwningPtr.h" |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 26 | #include <vector> |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 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; |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 68 | class BasePaths; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 69 | |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 70 | /// PragmaPackStack - Simple class to wrap the stack used by #pragma |
| 71 | /// pack. |
| 72 | class PragmaPackStack { |
Daniel Dunbar | 0655039 | 2008-11-19 10:32:38 +0000 | [diff] [blame] | 73 | typedef std::vector< std::pair<unsigned, IdentifierInfo*> > stack_ty; |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 74 | |
| 75 | /// Alignment - The current user specified alignment. |
| 76 | unsigned Alignment; |
| 77 | |
Daniel Dunbar | 0655039 | 2008-11-19 10:32:38 +0000 | [diff] [blame] | 78 | /// Stack - Entries in the #pragma pack stack, consisting of saved |
| 79 | /// alignments and optional names. |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 80 | stack_ty Stack; |
| 81 | |
| 82 | public: |
| 83 | PragmaPackStack(unsigned A) : Alignment(A) {} |
| 84 | |
| 85 | void setAlignment(unsigned A) { Alignment = A; } |
| 86 | unsigned getAlignment() { return Alignment; } |
| 87 | |
| 88 | /// push - Push the current alignment onto the stack, optionally |
Daniel Dunbar | 0655039 | 2008-11-19 10:32:38 +0000 | [diff] [blame] | 89 | /// using the given \arg Name for the record, if non-zero. |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 90 | void push(IdentifierInfo *Name) { |
Daniel Dunbar | 0655039 | 2008-11-19 10:32:38 +0000 | [diff] [blame] | 91 | Stack.push_back(std::make_pair(Alignment, Name)); |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | /// pop - Pop a record from the stack and restore the current |
| 95 | /// alignment to the previous value. If \arg Name is non-zero then |
| 96 | /// the first such named record is popped, otherwise the top record |
| 97 | /// is popped. Returns true if the pop succeeded. |
| 98 | bool pop(IdentifierInfo *Name); |
| 99 | }; |
| 100 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 101 | /// Sema - This implements semantic analysis and AST building for C. |
| 102 | class Sema : public Action { |
Chris Lattner | 0b2f4da | 2008-06-29 00:28:59 +0000 | [diff] [blame] | 103 | public: |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 104 | Preprocessor &PP; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 105 | ASTContext &Context; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 106 | ASTConsumer &Consumer; |
Steve Naroff | 0330071 | 2007-11-12 13:56:41 +0000 | [diff] [blame] | 107 | |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 108 | /// CurContext - This is the current declaration context of parsing. |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 109 | DeclContext *CurContext; |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 110 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 111 | /// PreDeclaratorDC - Keeps the declaration context before switching to the |
| 112 | /// context of a declarator's nested-name-specifier. |
| 113 | DeclContext *PreDeclaratorDC; |
| 114 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 115 | /// CurBlock - If inside of a block definition, this contains a pointer to |
| 116 | /// the active block object that represents it. |
| 117 | BlockSemaInfo *CurBlock; |
| 118 | |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 119 | /// PackContext - Manages the stack for #pragma pack. An alignment |
| 120 | /// of 0 indicates default alignment. |
| 121 | PragmaPackStack PackContext; |
| 122 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 123 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 124 | /// it (which acts like the label decl in some ways). Forward referenced |
| 125 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 126 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 127 | |
| 128 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 129 | |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 130 | /// ExtVectorDecls - This is a list all the extended vector types. This allows |
| 131 | /// 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] | 132 | /// This is only necessary for issuing pretty diagnostics. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 133 | llvm::SmallVector<TypedefDecl*, 24> ExtVectorDecls; |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 134 | |
Steve Naroff | e84a864 | 2008-09-28 14:55:53 +0000 | [diff] [blame] | 135 | /// ObjCImplementations - Keep track of all class @implementations |
| 136 | /// so we can emit errors on duplicates. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 137 | llvm::DenseMap<IdentifierInfo*, ObjCImplementationDecl*> ObjCImplementations; |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 138 | |
Steve Naroff | e84a864 | 2008-09-28 14:55:53 +0000 | [diff] [blame] | 139 | /// ObjCCategoryImpls - Maintain a list of category implementations so |
| 140 | /// we can check for duplicates and find local method declarations. |
| 141 | llvm::SmallVector<ObjCCategoryImplDecl*, 8> ObjCCategoryImpls; |
| 142 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 143 | /// ObjCProtocols - Keep track of all protocol declarations declared |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 144 | /// with @protocol keyword, so that we can emit errors on duplicates and |
Chris Lattner | 4de884d | 2007-10-09 18:18:24 +0000 | [diff] [blame] | 145 | /// find the declarations when needed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 146 | llvm::DenseMap<IdentifierInfo*, ObjCProtocolDecl*> ObjCProtocols; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 147 | |
| 148 | /// ObjCInterfaceDecls - Keep track of all class declarations declared |
| 149 | /// with @interface, so that we can emit errors on duplicates and |
| 150 | /// find the declarations when needed. |
| 151 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 152 | ObjCInterfaceDecl*> ObjCInterfaceDeclsTy; |
| 153 | ObjCInterfaceDeclsTy ObjCInterfaceDecls; |
| 154 | |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 155 | /// ObjCAliasDecls - Keep track of all class declarations declared |
| 156 | /// with @compatibility_alias, so that we can emit errors on duplicates and |
| 157 | /// find the declarations when needed. This construct is ancient and will |
| 158 | /// likely never be seen. Nevertheless, it is here for compatibility. |
Steve Naroff | c822ff4 | 2008-04-02 00:39:51 +0000 | [diff] [blame] | 159 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 160 | ObjCCompatibleAliasDecl*> ObjCAliasTy; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 161 | ObjCAliasTy ObjCAliasDecls; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 162 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 163 | /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. |
| 164 | llvm::OwningPtr<CXXFieldCollector> FieldCollector; |
| 165 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 166 | IdentifierResolver IdResolver; |
| 167 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 168 | // Enum values used by KnownFunctionIDs (see below). |
| 169 | enum { |
Ted Kremenek | 7ff22b2 | 2008-06-16 18:00:42 +0000 | [diff] [blame] | 170 | id_NSLog, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 171 | id_asprintf, |
| 172 | id_fprintf, |
| 173 | id_printf, |
| 174 | id_snprintf, |
| 175 | id_snprintf_chk, |
| 176 | id_sprintf, |
| 177 | id_sprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 178 | id_vasprintf, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 179 | id_vfprintf, |
| 180 | id_vsnprintf, |
| 181 | id_vsnprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 182 | id_vsprintf, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 183 | id_vsprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 184 | id_vprintf, |
| 185 | id_num_known_functions |
| 186 | }; |
| 187 | |
| 188 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 189 | /// of known functions used by the semantic analysis to do various |
| 190 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 191 | /// This list is populated upon the creation of a Sema object. |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 192 | IdentifierInfo* KnownFunctionIDs[id_num_known_functions]; |
Daniel Dunbar | 662e8b5 | 2008-08-14 22:04:54 +0000 | [diff] [blame] | 193 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 194 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 195 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 196 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 197 | Scope *TUScope; |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 198 | |
| 199 | /// The C++ "std" namespace, where the standard library resides. Cached here |
| 200 | /// by GetStdNamespace |
| 201 | NamespaceDecl *StdNamespace; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 202 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 203 | /// ObjCMethodList - a linked list of methods with different signatures. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 204 | struct ObjCMethodList { |
| 205 | ObjCMethodDecl *Method; |
| 206 | ObjCMethodList *Next; |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 207 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 208 | ObjCMethodList() { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 209 | Method = 0; |
| 210 | Next = 0; |
| 211 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 212 | ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 213 | Method = M; |
| 214 | Next = C; |
| 215 | } |
| 216 | }; |
| 217 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 218 | /// messages to "id". We need to maintain a list, since selectors can have |
| 219 | /// differing signatures across classes. In Cocoa, this happens to be |
| 220 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 221 | llvm::DenseMap<Selector, ObjCMethodList> InstanceMethodPool; |
| 222 | llvm::DenseMap<Selector, ObjCMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 223 | public: |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 224 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 225 | |
| 226 | const LangOptions &getLangOptions() const; |
| 227 | |
Chris Lattner | ebf5ddf | 2008-11-18 21:53:24 +0000 | [diff] [blame] | 228 | /// The primitive diagnostic helpers. |
Chris Lattner | 3cbfe2c | 2008-11-22 00:59:29 +0000 | [diff] [blame^] | 229 | DiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 230 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 231 | virtual void DeleteExpr(ExprTy *E); |
| 232 | virtual void DeleteStmt(StmtTy *S); |
| 233 | |
Chris Lattner | 9299f3f | 2008-08-23 03:19:52 +0000 | [diff] [blame] | 234 | virtual void ActOnEndOfTranslationUnit(); |
| 235 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 236 | //===--------------------------------------------------------------------===// |
| 237 | // Type Analysis / Processing: SemaType.cpp. |
| 238 | // |
Chris Lattner | fca0ddd | 2008-06-26 06:27:57 +0000 | [diff] [blame] | 239 | QualType ConvertDeclSpecToType(const DeclSpec &DS); |
Chris Lattner | c9b346d | 2008-06-29 00:50:08 +0000 | [diff] [blame] | 240 | void ProcessTypeAttributeList(QualType &Result, const AttributeList *AL); |
Sebastian Redl | 4c5d320 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 241 | QualType GetTypeForDeclarator(Declarator &D, Scope *S, |
| 242 | bool CXXNewMode = false); |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 243 | DeclarationName GetNameForDeclarator(Declarator &D); |
| 244 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 245 | QualType ObjCGetTypeForMethodDefinition(DeclTy *D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 246 | |
Douglas Gregor | 5737326 | 2008-10-22 14:17:15 +0000 | [diff] [blame] | 247 | bool UnwrapSimilarPointerTypes(QualType& T1, QualType& T2); |
| 248 | |
Sebastian Redl | 4c5d320 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 249 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D, |
| 250 | bool CXXNewMode = false); |
Sebastian Redl | 37d6de3 | 2008-11-08 13:00:26 +0000 | [diff] [blame] | 251 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 252 | //===--------------------------------------------------------------------===// |
| 253 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 254 | // |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 255 | virtual TypeTy *isTypeName(IdentifierInfo &II, Scope *S, |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 256 | const CXXScopeSpec *SS); |
Daniel Dunbar | 914701e | 2008-08-05 16:28:08 +0000 | [diff] [blame] | 257 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 258 | virtual DeclTy *ActOnParamDeclarator(Scope *S, Declarator &D); |
| 259 | virtual void ActOnParamDefaultArgument(DeclTy *param, |
| 260 | SourceLocation EqualLoc, |
| 261 | ExprTy *defarg); |
Steve Naroff | bb20469 | 2007-09-12 14:07:44 +0000 | [diff] [blame] | 262 | void AddInitializerToDecl(DeclTy *dcl, ExprTy *init); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 263 | void ActOnUninitializedDecl(DeclTy *dcl); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 264 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 265 | |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 266 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 267 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, DeclTy *D); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 268 | virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D); |
Steve Naroff | d6d054d | 2007-11-11 23:20:51 +0000 | [diff] [blame] | 269 | |
| 270 | virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtTy *Body); |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame] | 271 | virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace, |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 272 | SourceLocation RBrace, const char *Lang, |
| 273 | unsigned StrSize, DeclTy *D); |
Anders Carlsson | dfab6cb | 2008-02-08 00:33:21 +0000 | [diff] [blame] | 274 | virtual DeclTy *ActOnFileScopeAsmDecl(SourceLocation Loc, ExprTy *expr); |
| 275 | |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 276 | /// Scope actions. |
| 277 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 278 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 279 | |
| 280 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 281 | /// no declarator (e.g. "struct foo;") is parsed. |
| 282 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| 283 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 284 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 285 | SourceLocation KWLoc, const CXXScopeSpec &SS, |
| 286 | IdentifierInfo *Name, SourceLocation NameLoc, |
| 287 | AttributeList *Attr); |
Ted Kremenek | 4b7c983 | 2008-09-05 17:16:31 +0000 | [diff] [blame] | 288 | |
| 289 | DeclTy* ActOnTagStruct(Scope *S, TagDecl::TagKind Kind, TagKind TK, |
Argyrios Kyrtzidis | 630c81b | 2008-11-09 22:09:58 +0000 | [diff] [blame] | 290 | SourceLocation KWLoc, const CXXScopeSpec &SS, |
| 291 | IdentifierInfo *Name, SourceLocation NameLoc, |
| 292 | AttributeList *Attr); |
Ted Kremenek | 4b7c983 | 2008-09-05 17:16:31 +0000 | [diff] [blame] | 293 | |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 294 | virtual void ActOnDefs(Scope *S, SourceLocation DeclStart, |
| 295 | IdentifierInfo *ClassName, |
| 296 | llvm::SmallVectorImpl<DeclTy*> &Decls); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 297 | virtual DeclTy *ActOnField(Scope *S, SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 298 | Declarator &D, ExprTy *BitfieldWidth); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 299 | |
| 300 | virtual DeclTy *ActOnIvar(Scope *S, SourceLocation DeclStart, |
| 301 | Declarator &D, ExprTy *BitfieldWidth, |
Fariborz Jahanian | 45bc03f | 2008-04-11 16:55:42 +0000 | [diff] [blame] | 302 | tok::ObjCKeywordKind visibility); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 303 | |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 304 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 305 | virtual void ActOnFields(Scope* S, |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 306 | SourceLocation RecLoc, DeclTy *TagDecl, |
| 307 | DeclTy **Fields, unsigned NumFields, |
Daniel Dunbar | 1bfe1c2 | 2008-10-03 02:03:53 +0000 | [diff] [blame] | 308 | SourceLocation LBrac, SourceLocation RBrac, |
| 309 | AttributeList *AttrList); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 310 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 311 | DeclTy *LastEnumConstant, |
| 312 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 313 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 314 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 315 | DeclTy **Elements, unsigned NumElements); |
Sebastian Redl | 37d6de3 | 2008-11-08 13:00:26 +0000 | [diff] [blame] | 316 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 317 | DeclContext *getContainingDC(DeclContext *DC); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 318 | |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 319 | /// Set the current declaration context until it gets popped. |
Chris Lattner | 9fdf9c6 | 2008-04-22 18:39:57 +0000 | [diff] [blame] | 320 | void PushDeclContext(DeclContext *DC); |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 321 | void PopDeclContext(); |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 322 | |
| 323 | /// CurFunctionDecl - If inside of a function body, this returns a pointer to |
| 324 | /// the function decl for the function being parsed. |
| 325 | FunctionDecl *getCurFunctionDecl() { |
| 326 | return dyn_cast<FunctionDecl>(CurContext); |
| 327 | } |
| 328 | |
| 329 | /// CurMethodDecl - If inside of a method body, this returns a pointer to |
| 330 | /// the method decl for the method being parsed. |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 331 | ObjCMethodDecl *getCurMethodDecl(); |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 332 | |
Argyrios Kyrtzidis | 87f3ff0 | 2008-04-12 00:47:19 +0000 | [diff] [blame] | 333 | /// Add this decl to the scope shadowed decl chains. |
| 334 | void PushOnScopeChains(NamedDecl *D, Scope *S); |
| 335 | |
Argyrios Kyrtzidis | 15a12d0 | 2008-09-09 21:18:04 +0000 | [diff] [blame] | 336 | /// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true |
| 337 | /// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns |
| 338 | /// true if 'D' belongs to the given declaration context. |
| 339 | bool isDeclInScope(Decl *D, DeclContext *Ctx, Scope *S = 0) { |
| 340 | return IdResolver.isDeclInScope(D, Ctx, S); |
| 341 | } |
| 342 | |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 343 | /// Subroutines of ActOnDeclarator(). |
Chris Lattner | 41af093 | 2007-11-14 06:34:38 +0000 | [diff] [blame] | 344 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| 345 | ScopedDecl *LastDecl); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 346 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, Decl *Old); |
Douglas Gregor | f009795 | 2008-04-21 02:02:58 +0000 | [diff] [blame] | 347 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, Decl *Old, |
| 348 | bool &Redeclaration); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 349 | VarDecl *MergeVarDecl(VarDecl *New, Decl *Old); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 350 | FunctionDecl *MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
Steve Naroff | ff9eb1f | 2008-08-08 17:50:35 +0000 | [diff] [blame] | 351 | void CheckForFileScopedRedefinitions(Scope *S, VarDecl *VD); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 352 | |
| 353 | /// C++ Overloading. |
| 354 | bool IsOverload(FunctionDecl *New, Decl* OldD, |
| 355 | OverloadedFunctionDecl::function_iterator &MatchedDecl); |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 356 | ImplicitConversionSequence |
| 357 | TryImplicitConversion(Expr* From, QualType ToType, |
| 358 | bool SuppressUserConversions = false); |
Douglas Gregor | 60d62c2 | 2008-10-31 16:23:19 +0000 | [diff] [blame] | 359 | bool IsStandardConversion(Expr *From, QualType ToType, |
| 360 | StandardConversionSequence& SCS); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 361 | bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); |
| 362 | bool IsFloatingPointPromotion(QualType FromType, QualType ToType); |
| 363 | bool IsPointerConversion(Expr *From, QualType FromType, QualType ToType, |
| 364 | QualType& ConvertedType); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 365 | bool CheckPointerConversion(Expr *From, QualType ToType); |
Douglas Gregor | 98cd599 | 2008-10-21 23:43:52 +0000 | [diff] [blame] | 366 | bool IsQualificationConversion(QualType FromType, QualType ToType); |
Douglas Gregor | 60d62c2 | 2008-10-31 16:23:19 +0000 | [diff] [blame] | 367 | bool IsUserDefinedConversion(Expr *From, QualType ToType, |
| 368 | UserDefinedConversionSequence& User); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 369 | |
| 370 | ImplicitConversionSequence::CompareKind |
| 371 | CompareImplicitConversionSequences(const ImplicitConversionSequence& ICS1, |
| 372 | const ImplicitConversionSequence& ICS2); |
| 373 | |
| 374 | ImplicitConversionSequence::CompareKind |
| 375 | CompareStandardConversionSequences(const StandardConversionSequence& SCS1, |
| 376 | const StandardConversionSequence& SCS2); |
| 377 | |
Douglas Gregor | 5737326 | 2008-10-22 14:17:15 +0000 | [diff] [blame] | 378 | ImplicitConversionSequence::CompareKind |
| 379 | CompareQualificationConversions(const StandardConversionSequence& SCS1, |
| 380 | const StandardConversionSequence& SCS2); |
| 381 | |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 382 | ImplicitConversionSequence::CompareKind |
| 383 | CompareDerivedToBaseConversions(const StandardConversionSequence& SCS1, |
| 384 | const StandardConversionSequence& SCS2); |
| 385 | |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 386 | ImplicitConversionSequence |
| 387 | TryCopyInitialization(Expr* From, QualType ToType, |
| 388 | bool SuppressUserConversions = false); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 389 | bool PerformCopyInitialization(Expr *&From, QualType ToType, |
| 390 | const char *Flavor); |
| 391 | |
Douglas Gregor | 96176b3 | 2008-11-18 23:14:02 +0000 | [diff] [blame] | 392 | ImplicitConversionSequence |
| 393 | TryObjectArgumentInitialization(Expr *From, CXXMethodDecl *Method); |
| 394 | bool PerformObjectArgumentInitialization(Expr *&From, CXXMethodDecl *Method); |
| 395 | |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 396 | /// OverloadingResult - Capture the result of performing overload |
| 397 | /// resolution. |
| 398 | enum OverloadingResult { |
| 399 | OR_Success, ///< Overload resolution succeeded. |
| 400 | OR_No_Viable_Function, ///< No viable function found. |
| 401 | OR_Ambiguous ///< Ambiguous candidates found. |
| 402 | }; |
| 403 | |
| 404 | void AddOverloadCandidate(FunctionDecl *Function, |
| 405 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 406 | OverloadCandidateSet& CandidateSet, |
| 407 | bool SuppressUserConversions = false); |
Douglas Gregor | 96176b3 | 2008-11-18 23:14:02 +0000 | [diff] [blame] | 408 | void AddMethodCandidate(CXXMethodDecl *Method, |
| 409 | Expr *Object, Expr **Args, unsigned NumArgs, |
| 410 | OverloadCandidateSet& CandidateSet, |
| 411 | bool SuppressUserConversions = true); |
Douglas Gregor | f1991ea | 2008-11-07 22:36:19 +0000 | [diff] [blame] | 412 | void AddConversionCandidate(CXXConversionDecl *Conversion, |
| 413 | Expr *From, QualType ToType, |
| 414 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 106c6eb | 2008-11-19 22:57:39 +0000 | [diff] [blame] | 415 | void AddSurrogateCandidate(CXXConversionDecl *Conversion, |
| 416 | const FunctionTypeProto *Proto, |
| 417 | Expr *Object, Expr **Args, unsigned NumArgs, |
| 418 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 96176b3 | 2008-11-18 23:14:02 +0000 | [diff] [blame] | 419 | void AddOperatorCandidates(OverloadedOperatorKind Op, Scope *S, |
| 420 | Expr **Args, unsigned NumArgs, |
| 421 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 422 | void AddBuiltinCandidate(QualType ResultTy, QualType *ParamTys, |
| 423 | Expr **Args, unsigned NumArgs, |
| 424 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 425 | void AddBuiltinOperatorCandidates(OverloadedOperatorKind Op, |
| 426 | Expr **Args, unsigned NumArgs, |
| 427 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 428 | void AddOverloadCandidates(const OverloadedFunctionDecl *Ovl, |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 429 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 430 | OverloadCandidateSet& CandidateSet, |
| 431 | bool SuppressUserConversions = false); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 432 | bool isBetterOverloadCandidate(const OverloadCandidate& Cand1, |
| 433 | const OverloadCandidate& Cand2); |
| 434 | OverloadingResult BestViableFunction(OverloadCandidateSet& CandidateSet, |
| 435 | OverloadCandidateSet::iterator& Best); |
| 436 | void PrintOverloadCandidates(OverloadCandidateSet& CandidateSet, |
| 437 | bool OnlyViable); |
| 438 | |
Douglas Gregor | 904eed3 | 2008-11-10 20:40:00 +0000 | [diff] [blame] | 439 | FunctionDecl *ResolveAddressOfOverloadedFunction(Expr *From, QualType ToType, |
| 440 | bool Complain); |
| 441 | void FixOverloadedFunctionReference(Expr *E, FunctionDecl *Fn); |
| 442 | |
Douglas Gregor | f9eb905 | 2008-11-19 21:05:33 +0000 | [diff] [blame] | 443 | ExprResult |
| 444 | BuildCallToObjectOfClassType(Expr *Object, SourceLocation LParenLoc, |
| 445 | Expr **Args, unsigned NumArgs, |
| 446 | SourceLocation *CommaLocs, |
| 447 | SourceLocation RParenLoc); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 448 | |
Douglas Gregor | 8ba1074 | 2008-11-20 16:27:02 +0000 | [diff] [blame] | 449 | ExprResult BuildOverloadedArrowExpr(Expr *Base, SourceLocation OpLoc, |
| 450 | SourceLocation MemberLoc, |
| 451 | IdentifierInfo &Member); |
| 452 | |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 453 | /// Helpers for dealing with function parameters |
| 454 | bool CheckParmsForFunctionDef(FunctionDecl *FD); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 455 | void CheckCXXDefaultArguments(FunctionDecl *FD); |
Douglas Gregor | 6d6eb57 | 2008-05-07 04:49:29 +0000 | [diff] [blame] | 456 | void CheckExtraCXXDefaultArguments(Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 457 | |
| 458 | /// More parsing and symbol table subroutines... |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 459 | Decl *LookupDecl(DeclarationName Name, unsigned NSI, Scope *S, |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 460 | const DeclContext *LookupCtx = 0, |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 461 | bool enableLazyBuiltinCreation = true); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 462 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 463 | ScopedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
| 464 | Scope *S); |
Steve Naroff | 8c9f13e | 2007-09-16 16:16:00 +0000 | [diff] [blame] | 465 | ScopedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 466 | Scope *S); |
| 467 | // Decl attributes - this routine is the top level dispatcher. |
Chris Lattner | e5c5ee1 | 2008-06-29 00:16:31 +0000 | [diff] [blame] | 468 | void ProcessDeclAttributes(Decl *D, const Declarator &PD); |
Chris Lattner | f2e4bd5 | 2008-06-28 23:58:55 +0000 | [diff] [blame] | 469 | void ProcessDeclAttributeList(Decl *D, const AttributeList *AttrList); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 470 | |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 471 | void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| 472 | bool &IncompleteImpl); |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 473 | |
| 474 | NamespaceDecl *GetStdNamespace(); |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 475 | |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 476 | /// CheckProtocolMethodDefs - This routine checks unimpletented |
| 477 | /// methods declared in protocol, and those referenced by it. |
| 478 | /// \param IDecl - Used for checking for methods which may have been |
| 479 | /// inherited. |
Steve Naroff | efe7f36 | 2008-02-08 22:06:17 +0000 | [diff] [blame] | 480 | void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| 481 | ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 482 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 483 | const llvm::DenseSet<Selector> &InsMap, |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 484 | const llvm::DenseSet<Selector> &ClsMap, |
| 485 | ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 486 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 487 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 488 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 489 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 490 | ObjCIvarDecl **Fields, unsigned nIvars, |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 491 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 492 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 493 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 494 | /// remains unimplemented in the @implementation class. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 495 | void ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl, |
| 496 | ObjCInterfaceDecl* IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 497 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 498 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 499 | /// category interface is implemented in the category @implementation. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 500 | void ImplCategoryMethodsVsIntfMethods(ObjCCategoryImplDecl *CatImplDecl, |
| 501 | ObjCCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 502 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 503 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 504 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
Steve Naroff | fe6b0dc | 2008-10-21 10:37:50 +0000 | [diff] [blame] | 505 | const ObjCMethodDecl *PrevMethod, |
| 506 | bool matchBasedOnSizeAndAlignment = false); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 507 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 508 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 509 | /// unit are added to a global pool. This allows us to efficiently associate |
| 510 | /// a selector with a method declaraation for purposes of typechecking |
| 511 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 512 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 513 | |
Steve Naroff | 037cda5 | 2008-09-30 14:38:43 +0000 | [diff] [blame] | 514 | /// LookupInstanceMethodInGlobalPool - Returns the method and warns if |
| 515 | /// there are multiple signatures. |
| 516 | ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R); |
| 517 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 518 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 519 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 520 | //===--------------------------------------------------------------------===// |
| 521 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 522 | public: |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 523 | virtual StmtResult ActOnExprStmt(ExprTy *Expr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 524 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 525 | virtual StmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 526 | virtual StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
Chris Lattner | 98414c1 | 2007-08-31 21:49:55 +0000 | [diff] [blame] | 527 | StmtTy **Elts, unsigned NumElts, |
| 528 | bool isStmtExpr); |
Chris Lattner | 81c018d | 2008-03-13 06:29:04 +0000 | [diff] [blame] | 529 | virtual StmtResult ActOnDeclStmt(DeclTy *Decl, SourceLocation StartLoc, |
| 530 | SourceLocation EndLoc); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 531 | virtual StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprTy *LHSVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 532 | SourceLocation DotDotDotLoc, ExprTy *RHSVal, |
| 533 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 534 | virtual StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
Chris Lattner | 6c36be5 | 2007-07-18 02:28:47 +0000 | [diff] [blame] | 535 | SourceLocation ColonLoc, StmtTy *SubStmt, |
| 536 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 537 | virtual StmtResult ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 538 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 539 | virtual StmtResult ActOnIfStmt(SourceLocation IfLoc, ExprTy *CondVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 540 | StmtTy *ThenVal, SourceLocation ElseLoc, |
| 541 | StmtTy *ElseVal); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 542 | virtual StmtResult ActOnStartOfSwitchStmt(ExprTy *Cond); |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 543 | virtual StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 544 | StmtTy *Switch, ExprTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 545 | virtual StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprTy *Cond, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 546 | StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 547 | virtual StmtResult ActOnDoStmt(SourceLocation DoLoc, StmtTy *Body, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 548 | SourceLocation WhileLoc, ExprTy *Cond); |
| 549 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 550 | virtual StmtResult ActOnForStmt(SourceLocation ForLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 551 | SourceLocation LParenLoc, |
| 552 | StmtTy *First, ExprTy *Second, ExprTy *Third, |
| 553 | SourceLocation RParenLoc, StmtTy *Body); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 554 | virtual StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
Fariborz Jahanian | 3ba5a0f | 2008-01-03 17:55:25 +0000 | [diff] [blame] | 555 | SourceLocation LParenLoc, |
| 556 | StmtTy *First, ExprTy *Second, |
| 557 | SourceLocation RParenLoc, StmtTy *Body); |
| 558 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 559 | virtual StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 560 | SourceLocation LabelLoc, |
| 561 | IdentifierInfo *LabelII); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 562 | virtual StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 563 | SourceLocation StarLoc, |
| 564 | ExprTy *DestExp); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 565 | virtual StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 566 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 567 | virtual StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 568 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 569 | virtual StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 570 | ExprTy *RetValExp); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 571 | StmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 572 | |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 573 | virtual StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
Anders Carlsson | dfab34a | 2008-02-05 23:03:50 +0000 | [diff] [blame] | 574 | bool IsSimple, |
Anders Carlsson | 39c47b5 | 2007-11-23 23:12:25 +0000 | [diff] [blame] | 575 | bool IsVolatile, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 576 | unsigned NumOutputs, |
| 577 | unsigned NumInputs, |
| 578 | std::string *Names, |
| 579 | ExprTy **Constraints, |
| 580 | ExprTy **Exprs, |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 581 | ExprTy *AsmString, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 582 | unsigned NumClobbers, |
| 583 | ExprTy **Clobbers, |
Chris Lattner | fe79595 | 2007-10-29 04:04:16 +0000 | [diff] [blame] | 584 | SourceLocation RParenLoc); |
| 585 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 586 | virtual StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 587 | SourceLocation RParen, StmtTy *Parm, |
| 588 | StmtTy *Body, StmtTy *CatchList); |
| 589 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 590 | virtual StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 591 | StmtTy *Body); |
| 592 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 593 | virtual StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 594 | StmtTy *Try, |
| 595 | StmtTy *Catch, StmtTy *Finally); |
| 596 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 597 | virtual StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 598 | StmtTy *Throw); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 599 | virtual StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| 600 | ExprTy *SynchExpr, |
| 601 | StmtTy *SynchBody); |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 602 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 603 | //===--------------------------------------------------------------------===// |
| 604 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 605 | |
| 606 | // Primary Expressions. |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 607 | virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 608 | IdentifierInfo &II, |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 609 | bool HasTrailingLParen, |
| 610 | const CXXScopeSpec *SS = 0); |
Douglas Gregor | 487a75a | 2008-11-19 19:09:45 +0000 | [diff] [blame] | 611 | virtual ExprResult ActOnCXXOperatorFunctionIdExpr(Scope *S, |
| 612 | SourceLocation OperatorLoc, |
| 613 | OverloadedOperatorKind Op, |
| 614 | bool HasTrailingLParen, |
| 615 | const CXXScopeSpec &SS); |
| 616 | virtual ExprResult ActOnCXXConversionFunctionExpr(Scope *S, |
| 617 | SourceLocation OperatorLoc, |
| 618 | TypeTy *Ty, |
| 619 | bool HasTrailingLParen, |
| 620 | const CXXScopeSpec &SS); |
Douglas Gregor | 10c4262 | 2008-11-18 15:03:34 +0000 | [diff] [blame] | 621 | ExprResult ActOnDeclarationNameExpr(Scope *S, SourceLocation Loc, |
| 622 | DeclarationName Name, |
| 623 | bool HasTrailingLParen, |
| 624 | const CXXScopeSpec *SS); |
| 625 | |
| 626 | |
Chris Lattner | d9f6910 | 2008-08-10 01:53:14 +0000 | [diff] [blame] | 627 | virtual ExprResult ActOnPredefinedExpr(SourceLocation Loc, |
| 628 | tok::TokenKind Kind); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 629 | virtual ExprResult ActOnNumericConstant(const Token &); |
| 630 | virtual ExprResult ActOnCharacterConstant(const Token &); |
| 631 | virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 632 | ExprTy *Val); |
| 633 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 634 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 635 | /// fragments (e.g. "foo" "bar" L"baz"). |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 636 | virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 637 | |
| 638 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 639 | virtual ExprResult ActOnUnaryOp(Scope *S, SourceLocation OpLoc, |
| 640 | tok::TokenKind Op, ExprTy *Input); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 641 | virtual ExprResult |
Sebastian Redl | 0518999 | 2008-11-11 17:56:53 +0000 | [diff] [blame] | 642 | ActOnSizeOfAlignOfExpr(SourceLocation OpLoc, bool isSizeof, bool isType, |
| 643 | void *TyOrEx, const SourceRange &ArgRange); |
| 644 | |
| 645 | bool CheckSizeOfAlignOfOperand(QualType type, SourceLocation OpLoc, |
| 646 | const SourceRange &R, bool isSizeof); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 647 | |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 648 | virtual ExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 649 | tok::TokenKind Kind, ExprTy *Input); |
| 650 | |
Douglas Gregor | 337c6b9 | 2008-11-19 17:17:41 +0000 | [diff] [blame] | 651 | virtual ExprResult ActOnArraySubscriptExpr(Scope *S, ExprTy *Base, |
| 652 | SourceLocation LLoc, ExprTy *Idx, |
| 653 | SourceLocation RLoc); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 654 | virtual ExprResult ActOnMemberReferenceExpr(ExprTy *Base,SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 655 | tok::TokenKind OpKind, |
| 656 | SourceLocation MemberLoc, |
| 657 | IdentifierInfo &Member); |
| 658 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 659 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 660 | /// This provides the location of the left/right parens and a list of comma |
| 661 | /// locations. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 662 | virtual ExprResult ActOnCallExpr(ExprTy *Fn, SourceLocation LParenLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 663 | ExprTy **Args, unsigned NumArgs, |
| 664 | SourceLocation *CommaLocs, |
| 665 | SourceLocation RParenLoc); |
| 666 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 667 | virtual ExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 668 | SourceLocation RParenLoc, ExprTy *Op); |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 669 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 670 | virtual ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, TypeTy *Ty, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 671 | SourceLocation RParenLoc, ExprTy *Op); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 672 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 673 | virtual ExprResult ActOnInitList(SourceLocation LParenLoc, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 674 | ExprTy **InitList, unsigned NumInit, |
Chris Lattner | 220ad7c | 2008-10-26 23:35:51 +0000 | [diff] [blame] | 675 | InitListDesignations &Designators, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 676 | SourceLocation RParenLoc); |
| 677 | |
Douglas Gregor | eaebc75 | 2008-11-06 23:29:22 +0000 | [diff] [blame] | 678 | virtual ExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc, |
| 679 | tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 680 | ExprTy *LHS,ExprTy *RHS); |
Douglas Gregor | eaebc75 | 2008-11-06 23:29:22 +0000 | [diff] [blame] | 681 | ExprResult CreateBuiltinBinOp(SourceLocation TokLoc, |
| 682 | unsigned Opc, |
| 683 | Expr *lhs, Expr *rhs); |
| 684 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 685 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 686 | /// in the case of a the GNU conditional expr extension. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 687 | virtual ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 688 | SourceLocation ColonLoc, |
| 689 | ExprTy *Cond, ExprTy *LHS, ExprTy *RHS); |
| 690 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 691 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 692 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 693 | IdentifierInfo *LabelII); |
| 694 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 695 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 696 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 697 | |
| 698 | /// __builtin_offsetof(type, a.b[123][456].c) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 699 | virtual ExprResult ActOnBuiltinOffsetOf(SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 700 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 701 | OffsetOfComponent *CompPtr, |
| 702 | unsigned NumComponents, |
| 703 | SourceLocation RParenLoc); |
| 704 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 705 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 706 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 707 | TypeTy *arg1, TypeTy *arg2, |
| 708 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 709 | |
| 710 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 711 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 712 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 713 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 714 | |
Nate Begeman | e2ce1d9 | 2008-01-17 17:46:27 +0000 | [diff] [blame] | 715 | // __builtin_overload(...) |
| 716 | virtual ExprResult ActOnOverloadExpr(ExprTy **Args, unsigned NumArgs, |
| 717 | SourceLocation *CommaLocs, |
| 718 | SourceLocation BuiltinLoc, |
| 719 | SourceLocation RParenLoc); |
Nate Begeman | 440b456 | 2008-03-07 20:04:22 +0000 | [diff] [blame] | 720 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 721 | // __builtin_va_arg(expr, type) |
| 722 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 723 | ExprTy *expr, TypeTy *type, |
| 724 | SourceLocation RPLoc); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 725 | |
| 726 | //===------------------------- "Block" Extension ------------------------===// |
| 727 | |
| 728 | /// ActOnBlockStart - This callback is invoked when a block literal is |
| 729 | /// started. |
Steve Naroff | 090276f | 2008-10-10 01:28:17 +0000 | [diff] [blame] | 730 | virtual void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope); |
| 731 | |
| 732 | /// ActOnBlockArguments - This callback allows processing of block arguments. |
| 733 | /// If there are no arguments, this is still invoked. |
| 734 | virtual void ActOnBlockArguments(Declarator &ParamInfo); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 735 | |
| 736 | /// ActOnBlockError - If there is an error parsing a block, this callback |
| 737 | /// is invoked to pop the information about the block from the action impl. |
| 738 | virtual void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); |
| 739 | |
| 740 | /// ActOnBlockStmtExpr - This is called when the body of a block statement |
| 741 | /// literal was successfully completed. ^(int x){...} |
| 742 | virtual ExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, StmtTy *Body, |
| 743 | Scope *CurScope); |
| 744 | |
Argyrios Kyrtzidis | 2d1c5d3 | 2008-04-27 13:50:30 +0000 | [diff] [blame] | 745 | // Act on C++ namespaces |
| 746 | virtual DeclTy *ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc, |
| 747 | IdentifierInfo *Ident, |
| 748 | SourceLocation LBrace); |
| 749 | virtual void ActOnFinishNamespaceDef(DeclTy *Dcl, SourceLocation RBrace); |
| 750 | |
Argyrios Kyrtzidis | 73a0d88 | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 751 | /// AddCXXDirectInitializerToDecl - This action is called immediately after |
| 752 | /// ActOnDeclarator, when a C++ direct initializer is present. |
| 753 | /// e.g: "int x(1);" |
| 754 | virtual void AddCXXDirectInitializerToDecl(DeclTy *Dcl, |
| 755 | SourceLocation LParenLoc, |
| 756 | ExprTy **Exprs, unsigned NumExprs, |
| 757 | SourceLocation *CommaLocs, |
| 758 | SourceLocation RParenLoc); |
| 759 | |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 760 | /// InitializationKind - Represents which kind of C++ initialization |
| 761 | /// [dcl.init] a routine is to perform. |
| 762 | enum InitializationKind { |
| 763 | IK_Direct, ///< Direct initialization |
| 764 | IK_Copy, ///< Copy initialization |
| 765 | IK_Default ///< Default initialization |
| 766 | }; |
| 767 | |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 768 | CXXConstructorDecl * |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 769 | PerformInitializationByConstructor(QualType ClassType, |
| 770 | Expr **Args, unsigned NumArgs, |
| 771 | SourceLocation Loc, SourceRange Range, |
| 772 | std::string InitEntity, |
| 773 | InitializationKind Kind); |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 774 | |
Douglas Gregor | 49badde | 2008-10-27 19:41:14 +0000 | [diff] [blame] | 775 | /// ActOnCXXNamedCast - Parse {dynamic,static,reinterpret,const}_cast's. |
| 776 | virtual ExprResult ActOnCXXNamedCast(SourceLocation OpLoc, tok::TokenKind Kind, |
| 777 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 778 | SourceLocation RAngleBracketLoc, |
| 779 | SourceLocation LParenLoc, ExprTy *E, |
| 780 | SourceLocation RParenLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 781 | |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 782 | /// ActOnCXXTypeidOfType - Parse typeid( type-id ). |
| 783 | virtual ExprResult ActOnCXXTypeid(SourceLocation OpLoc, |
| 784 | SourceLocation LParenLoc, bool isType, |
| 785 | void *TyOrExpr, SourceLocation RParenLoc); |
| 786 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 787 | //// ActOnCXXThis - Parse 'this' pointer. |
| 788 | virtual ExprResult ActOnCXXThis(SourceLocation ThisLoc); |
| 789 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 790 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 791 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 792 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 793 | |
Chris Lattner | 50dd289 | 2008-02-26 00:51:44 +0000 | [diff] [blame] | 794 | //// ActOnCXXThrow - Parse throw expressions. |
| 795 | virtual ExprResult ActOnCXXThrow(SourceLocation OpLoc, |
| 796 | ExprTy *expr); |
| 797 | |
Argyrios Kyrtzidis | 987a14b | 2008-08-22 15:38:55 +0000 | [diff] [blame] | 798 | /// ActOnCXXTypeConstructExpr - Parse construction of a specified type. |
| 799 | /// Can be interpreted either as function-style casting ("int(x)") |
| 800 | /// or class type construction ("ClassType(x,y,z)") |
| 801 | /// or creation of a value-initialized type ("int()"). |
| 802 | virtual ExprResult ActOnCXXTypeConstructExpr(SourceRange TypeRange, |
| 803 | TypeTy *TypeRep, |
| 804 | SourceLocation LParenLoc, |
| 805 | ExprTy **Exprs, |
| 806 | unsigned NumExprs, |
| 807 | SourceLocation *CommaLocs, |
| 808 | SourceLocation RParenLoc); |
| 809 | |
Sebastian Redl | 4c5d320 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 810 | /// ActOnCXXNew - Parsed a C++ 'new' expression. |
| 811 | virtual ExprResult ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, |
| 812 | SourceLocation PlacementLParen, |
| 813 | ExprTy **PlacementArgs, unsigned NumPlaceArgs, |
| 814 | SourceLocation PlacementRParen, |
| 815 | bool ParenTypeId, SourceLocation TyStart, |
| 816 | TypeTy *Ty, SourceLocation TyEnd, |
| 817 | SourceLocation ConstructorLParen, |
| 818 | ExprTy **ConstructorArgs, unsigned NumConsArgs, |
| 819 | SourceLocation ConstructorRParen); |
| 820 | bool CheckAllocatedType(QualType AllocType, SourceLocation StartLoc, |
| 821 | const SourceRange &TyR); |
| 822 | |
| 823 | /// ActOnCXXDelete - Parsed a C++ 'delete' expression |
| 824 | virtual ExprResult ActOnCXXDelete(SourceLocation StartLoc, bool UseGlobal, |
| 825 | bool ArrayForm, ExprTy *Operand); |
| 826 | |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 827 | /// ActOnCXXConditionDeclarationExpr - Parsed a condition declaration of a |
| 828 | /// C++ if/switch/while/for statement. |
| 829 | /// e.g: "if (int x = f()) {...}" |
| 830 | virtual ExprResult ActOnCXXConditionDeclarationExpr(Scope *S, |
| 831 | SourceLocation StartLoc, |
| 832 | Declarator &D, |
| 833 | SourceLocation EqualLoc, |
| 834 | ExprTy *AssignExprVal); |
| 835 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 836 | /// ActOnCXXGlobalScopeSpecifier - Return the object that represents the |
| 837 | /// global scope ('::'). |
| 838 | virtual CXXScopeTy *ActOnCXXGlobalScopeSpecifier(Scope *S, |
| 839 | SourceLocation CCLoc); |
| 840 | |
| 841 | /// ActOnCXXNestedNameSpecifier - Called during parsing of a |
| 842 | /// nested-name-specifier. e.g. for "foo::bar::" we parsed "foo::" and now |
| 843 | /// we want to resolve "bar::". 'SS' is empty or the previously parsed |
| 844 | /// nested-name part ("foo::"), 'IdLoc' is the source location of 'bar', |
| 845 | /// 'CCLoc' is the location of '::' and 'II' is the identifier for 'bar'. |
| 846 | /// Returns a CXXScopeTy* object representing the C++ scope. |
| 847 | virtual CXXScopeTy *ActOnCXXNestedNameSpecifier(Scope *S, |
| 848 | const CXXScopeSpec &SS, |
| 849 | SourceLocation IdLoc, |
| 850 | SourceLocation CCLoc, |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 851 | IdentifierInfo &II); |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 852 | |
| 853 | /// ActOnCXXEnterDeclaratorScope - Called when a C++ scope specifier (global |
| 854 | /// scope or nested-name-specifier) is parsed, part of a declarator-id. |
| 855 | /// After this method is called, according to [C++ 3.4.3p3], names should be |
| 856 | /// looked up in the declarator-id's scope, until the declarator is parsed and |
| 857 | /// ActOnCXXExitDeclaratorScope is called. |
| 858 | /// The 'SS' should be a non-empty valid CXXScopeSpec. |
| 859 | virtual void ActOnCXXEnterDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
| 860 | |
| 861 | /// ActOnCXXExitDeclaratorScope - Called when a declarator that previously |
| 862 | /// invoked ActOnCXXEnterDeclaratorScope(), is finished. 'SS' is the same |
| 863 | /// CXXScopeSpec that was passed to ActOnCXXEnterDeclaratorScope as well. |
| 864 | /// Used to indicate that names should revert to being looked up in the |
| 865 | /// defining scope. |
| 866 | virtual void ActOnCXXExitDeclaratorScope(const CXXScopeSpec &SS); |
| 867 | |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 868 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 869 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 870 | ExprTy **Strings, |
| 871 | unsigned NumStrings); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 872 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 873 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 874 | SourceLocation LParenLoc, |
| 875 | TypeTy *Ty, |
| 876 | SourceLocation RParenLoc); |
| 877 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 878 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 879 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 880 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 881 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 882 | SourceLocation LParenLoc, |
| 883 | SourceLocation RParenLoc); |
| 884 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 885 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 886 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 887 | SourceLocation AtLoc, |
| 888 | SourceLocation ProtoLoc, |
| 889 | SourceLocation LParenLoc, |
| 890 | SourceLocation RParenLoc); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 891 | |
| 892 | //===--------------------------------------------------------------------===// |
| 893 | // C++ Classes |
| 894 | // |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 895 | virtual bool isCurrentClassName(const IdentifierInfo &II, Scope *S, |
| 896 | const CXXScopeSpec *SS); |
Douglas Gregor | b48fe38 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 897 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 898 | virtual void ActOnStartCXXClassDef(Scope *S, DeclTy *TagDecl, |
| 899 | SourceLocation LBrace); |
| 900 | |
| 901 | virtual DeclTy *ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, |
| 902 | Declarator &D, ExprTy *BitfieldWidth, |
| 903 | ExprTy *Init, DeclTy *LastInGroup); |
| 904 | |
Douglas Gregor | 7ad8390 | 2008-11-05 04:29:56 +0000 | [diff] [blame] | 905 | virtual MemInitResult ActOnMemInitializer(DeclTy *ConstructorD, |
| 906 | Scope *S, |
| 907 | IdentifierInfo *MemberOrBase, |
| 908 | SourceLocation IdLoc, |
| 909 | SourceLocation LParenLoc, |
| 910 | ExprTy **Args, unsigned NumArgs, |
| 911 | SourceLocation *CommaLocs, |
| 912 | SourceLocation RParenLoc); |
| 913 | |
Douglas Gregor | 396b7cd | 2008-11-03 17:51:48 +0000 | [diff] [blame] | 914 | void AddImplicitlyDeclaredMembersToClass(CXXRecordDecl *ClassDecl); |
| 915 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 916 | virtual void ActOnFinishCXXMemberSpecification(Scope* S, SourceLocation RLoc, |
| 917 | DeclTy *TagDecl, |
| 918 | SourceLocation LBrac, |
| 919 | SourceLocation RBrac); |
| 920 | |
Argyrios Kyrtzidis | 5b7f0c8 | 2008-08-09 00:39:29 +0000 | [diff] [blame] | 921 | virtual void ActOnFinishCXXClassDef(DeclTy *TagDecl); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 922 | |
Douglas Gregor | 42a552f | 2008-11-05 20:51:48 +0000 | [diff] [blame] | 923 | |
| 924 | bool CheckConstructorDeclarator(Declarator &D, QualType &R, |
| 925 | FunctionDecl::StorageClass& SC); |
| 926 | bool CheckDestructorDeclarator(Declarator &D, QualType &R, |
| 927 | FunctionDecl::StorageClass& SC); |
Douglas Gregor | 2f1bc52 | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 928 | bool CheckConversionDeclarator(Declarator &D, QualType &R, |
| 929 | FunctionDecl::StorageClass& SC); |
Douglas Gregor | 42a552f | 2008-11-05 20:51:48 +0000 | [diff] [blame] | 930 | DeclTy *ActOnConstructorDeclarator(CXXConstructorDecl *Constructor); |
| 931 | DeclTy *ActOnDestructorDeclarator(CXXDestructorDecl *Destructor); |
Douglas Gregor | 2f1bc52 | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 932 | DeclTy *ActOnConversionDeclarator(CXXConversionDecl *Conversion); |
Douglas Gregor | b48fe38 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 933 | |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 934 | //===--------------------------------------------------------------------===// |
| 935 | // C++ Derived Classes |
| 936 | // |
| 937 | |
| 938 | /// ActOnBaseSpecifier - Parsed a base specifier |
| 939 | virtual BaseResult ActOnBaseSpecifier(DeclTy *classdecl, |
| 940 | SourceRange SpecifierRange, |
| 941 | bool Virtual, AccessSpecifier Access, |
| 942 | TypeTy *basetype, SourceLocation BaseLoc); |
| 943 | |
| 944 | virtual void ActOnBaseSpecifiers(DeclTy *ClassDecl, BaseTy **Bases, |
| 945 | unsigned NumBases); |
| 946 | |
| 947 | bool IsDerivedFrom(QualType Derived, QualType Base); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 948 | bool IsDerivedFrom(QualType Derived, QualType Base, BasePaths &Paths); |
| 949 | |
Douglas Gregor | 0575d4a | 2008-10-24 16:17:19 +0000 | [diff] [blame] | 950 | bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
| 951 | SourceLocation Loc, SourceRange Range); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 952 | |
Douglas Gregor | 1cd1b1e | 2008-11-06 22:13:31 +0000 | [diff] [blame] | 953 | //===--------------------------------------------------------------------===// |
| 954 | // C++ Overloaded Operators [C++ 13.5] |
| 955 | // |
| 956 | |
| 957 | bool CheckOverloadedOperatorDeclaration(FunctionDecl *FnDecl); |
| 958 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 959 | // Objective-C declarations. |
Chris Lattner | 06036d3 | 2008-07-26 04:13:19 +0000 | [diff] [blame] | 960 | virtual DeclTy *ActOnStartClassInterface(SourceLocation AtInterfaceLoc, |
| 961 | IdentifierInfo *ClassName, |
| 962 | SourceLocation ClassLoc, |
| 963 | IdentifierInfo *SuperName, |
| 964 | SourceLocation SuperLoc, |
| 965 | DeclTy * const *ProtoRefs, |
| 966 | unsigned NumProtoRefs, |
| 967 | SourceLocation EndProtoLoc, |
| 968 | AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 969 | |
| 970 | virtual DeclTy *ActOnCompatiblityAlias( |
| 971 | SourceLocation AtCompatibilityAliasLoc, |
| 972 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 973 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 974 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 975 | virtual DeclTy *ActOnStartProtocolInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 976 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 977 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 978 | DeclTy * const *ProtoRefNames, unsigned NumProtoRefs, |
Daniel Dunbar | 246e70f | 2008-09-26 04:48:09 +0000 | [diff] [blame] | 979 | SourceLocation EndProtoLoc, |
| 980 | AttributeList *AttrList); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 981 | |
Chris Lattner | 6bd6d0b | 2008-07-26 04:07:02 +0000 | [diff] [blame] | 982 | virtual DeclTy *ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc, |
| 983 | IdentifierInfo *ClassName, |
| 984 | SourceLocation ClassLoc, |
| 985 | IdentifierInfo *CategoryName, |
| 986 | SourceLocation CategoryLoc, |
| 987 | DeclTy * const *ProtoRefs, |
| 988 | unsigned NumProtoRefs, |
| 989 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 990 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 991 | virtual DeclTy *ActOnStartClassImplementation( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 992 | SourceLocation AtClassImplLoc, |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 993 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 994 | IdentifierInfo *SuperClassname, |
| 995 | SourceLocation SuperClassLoc); |
| 996 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 997 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 998 | SourceLocation AtCatImplLoc, |
| 999 | IdentifierInfo *ClassName, |
| 1000 | SourceLocation ClassLoc, |
| 1001 | IdentifierInfo *CatName, |
| 1002 | SourceLocation CatLoc); |
| 1003 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 1004 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 1005 | IdentifierInfo **IdentList, |
| 1006 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 1007 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 1008 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 1009 | const IdentifierLocPair *IdentList, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 1010 | unsigned NumElts); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 1011 | |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 1012 | virtual void FindProtocolDeclaration(bool WarnOnDeclarations, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 1013 | const IdentifierLocPair *ProtocolId, |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 1014 | unsigned NumProtocols, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 1015 | llvm::SmallVectorImpl<DeclTy *> &Protocols); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 1016 | |
Daniel Dunbar | 95e61fb | 2008-09-23 21:53:23 +0000 | [diff] [blame] | 1017 | /// Ensure attributes are consistent with type. |
| 1018 | /// \param [in, out] Attributes The attributes to check; they will |
| 1019 | /// be modified to be consistent with \arg PropertyTy. |
| 1020 | void CheckObjCPropertyAttributes(QualType PropertyTy, |
| 1021 | SourceLocation Loc, |
| 1022 | unsigned &Attributes); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 1023 | void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| 1024 | ObjCPropertyDecl *SuperProperty, |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 1025 | const char *Name); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 1026 | void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | b5e0224 | 2008-04-24 19:58:34 +0000 | [diff] [blame] | 1027 | |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 1028 | void MergeProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 1029 | DeclTy *MergeProtocols); |
| 1030 | |
| 1031 | void MergeOneProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 1032 | ObjCProtocolDecl *PDecl); |
| 1033 | |
Steve Naroff | 0416fb9 | 2007-11-11 17:19:15 +0000 | [diff] [blame] | 1034 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl, |
| 1035 | DeclTy **allMethods = 0, unsigned allNum = 0, |
| 1036 | DeclTy **allProperties = 0, unsigned pNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 1037 | |
Fariborz Jahanian | 1de1e74 | 2008-04-14 23:36:35 +0000 | [diff] [blame] | 1038 | virtual DeclTy *ActOnProperty(Scope *S, SourceLocation AtLoc, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 1039 | FieldDeclarator &FD, ObjCDeclSpec &ODS, |
Fariborz Jahanian | 5251e13 | 2008-05-06 18:09:04 +0000 | [diff] [blame] | 1040 | Selector GetterSel, Selector SetterSel, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 1041 | tok::ObjCKeywordKind MethodImplKind); |
| 1042 | |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 1043 | virtual DeclTy *ActOnPropertyImplDecl(SourceLocation AtLoc, |
| 1044 | SourceLocation PropertyLoc, |
| 1045 | bool ImplKind, DeclTy *ClassImplDecl, |
| 1046 | IdentifierInfo *PropertyId, |
| 1047 | IdentifierInfo *PropertyIvar); |
| 1048 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 1049 | virtual DeclTy *ActOnMethodDeclaration( |
| 1050 | SourceLocation BeginLoc, // location of the + or -. |
| 1051 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 1052 | tok::TokenKind MethodType, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1053 | DeclTy *ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 1054 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1055 | // optional arguments. The number of types/arguments is obtained |
| 1056 | // from the Sel.getNumArgs(). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1057 | ObjCDeclSpec *ArgQT, TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 1058 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 1059 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 1060 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1061 | // ActOnClassMessage - used for both unary and keyword messages. |
| 1062 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1063 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1064 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 1065 | Scope *S, |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 1066 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | 5cb93b8 | 2008-11-19 15:54:23 +0000 | [diff] [blame] | 1067 | SourceLocation lbrac, SourceLocation receiverLoc, SourceLocation rbrac, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1068 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1069 | |
| 1070 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 1071 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1072 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1073 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 1074 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1075 | SourceLocation lbrac, SourceLocation rbrac, |
| 1076 | ExprTy **ArgExprs, unsigned NumArgs); |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 1077 | |
| 1078 | /// ActOnPragmaPack - Called on well formed #pragma pack(...). |
| 1079 | virtual void ActOnPragmaPack(PragmaPackKind Kind, |
| 1080 | IdentifierInfo *Name, |
| 1081 | ExprTy *Alignment, |
| 1082 | SourceLocation PragmaLoc, |
| 1083 | SourceLocation LParenLoc, |
| 1084 | SourceLocation RParenLoc); |
| 1085 | |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 1086 | /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| 1087 | /// cast. If there is already an implicit cast, merge into the existing one. |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 1088 | /// If isLvalue, the result of the cast is an lvalue. |
| 1089 | void ImpCastExprToType(Expr *&Expr, QualType Type, bool isLvalue = false); |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 1090 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1091 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1092 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 1093 | Expr *UsualUnaryConversions(Expr *&expr); |
Eli Friedman | 3c0eb16 | 2008-05-27 03:33:27 +0000 | [diff] [blame] | 1094 | |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 1095 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 1096 | // to their respective pointers (C99 6.3.2.1). |
| 1097 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1098 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 1099 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 1100 | // do not have a prototype. Integer promotions are performed on each |
| 1101 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1102 | void DefaultArgumentPromotion(Expr *&Expr); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 1103 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1104 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 1105 | // operands and then handles various conversions that are common to binary |
| 1106 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 1107 | // routine returns the first non-arithmetic type found. The client is |
| 1108 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1109 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 1110 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1111 | |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 1112 | /// UsualArithmeticConversionsType - handles the various conversions |
| 1113 | /// that are common to binary operators (C99 6.3.1.8, C++ [expr]p9) |
| 1114 | /// and returns the result type of that conversion. |
| 1115 | QualType UsualArithmeticConversionsType(QualType lhs, QualType rhs); |
| 1116 | |
| 1117 | |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1118 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 1119 | /// enum to indicate whether the assignment was allowed. These checks are |
| 1120 | /// done for simple assignments, as well as initialization, return from |
| 1121 | /// function, argument passing, etc. The query is phrased in terms of a |
| 1122 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1123 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1124 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1125 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1126 | |
| 1127 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 1128 | /// accept as an extension. |
| 1129 | PointerToInt, |
| 1130 | |
| 1131 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 1132 | /// accept as an extension. |
| 1133 | IntToPointer, |
| 1134 | |
| 1135 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 1136 | /// 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] | 1137 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1138 | |
| 1139 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 1140 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1141 | IncompatiblePointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1142 | |
| 1143 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 1144 | /// c/v/r qualifiers, which we accept as an extension. |
| 1145 | CompatiblePointerDiscardsQualifiers, |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1146 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 1147 | /// IntToBlockPointer - The assignment converts an int to a block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1148 | /// pointer. We disallow this. |
| 1149 | IntToBlockPointer, |
| 1150 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 1151 | /// IncompatibleBlockPointer - The assignment is between two block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1152 | /// pointers types that are not compatible. |
| 1153 | IncompatibleBlockPointer, |
| 1154 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 1155 | /// BlockVoidPointer - The assignment is between a block pointer and |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1156 | /// void*, we accept for now. |
| 1157 | BlockVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1158 | |
Steve Naroff | 3957907 | 2008-10-14 22:18:38 +0000 | [diff] [blame] | 1159 | /// IncompatibleObjCQualifiedId - The assignment is between a qualified |
| 1160 | /// id type and something else (that is incompatible with it). For example, |
| 1161 | /// "id <XXX>" = "Foo *", where "Foo *" doesn't implement the XXX protocol. |
| 1162 | IncompatibleObjCQualifiedId, |
| 1163 | |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1164 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 1165 | /// represent it in the AST. |
| 1166 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1167 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1168 | |
| 1169 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 1170 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 1171 | /// conversion was invalid or false if the conversion was accepted. |
| 1172 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 1173 | SourceLocation Loc, |
| 1174 | QualType DstType, QualType SrcType, |
| 1175 | Expr *SrcExpr, const char *Flavor); |
| 1176 | |
| 1177 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 1178 | /// argument passing, variable initialization, and function return values. |
| 1179 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 1180 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1181 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1182 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1183 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1184 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1185 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 1186 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1187 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 1188 | // conversions. For compound assignments, the "Check...Operands" methods |
| 1189 | // perform the necessary conversions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1190 | AssignConvertType CheckCompoundAssignmentConstraints(QualType lhs, |
| 1191 | QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1192 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1193 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1194 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 1195 | QualType rhsType); |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1196 | |
| 1197 | // Helper function for CheckAssignmentConstraints involving two |
| 1198 | // blcok pointer types. |
| 1199 | AssignConvertType CheckBlockPointerTypesForAssignment(QualType lhsType, |
| 1200 | QualType rhsType); |
Douglas Gregor | 77a5223 | 2008-09-12 00:47:35 +0000 | [diff] [blame] | 1201 | |
| 1202 | bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 1203 | |
| 1204 | bool PerformImplicitConversion(Expr *&From, QualType ToType); |
| 1205 | bool PerformImplicitConversion(Expr *&From, QualType ToType, |
| 1206 | const StandardConversionSequence& SCS); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1207 | |
| 1208 | /// the following "Check" methods will return a valid/converted QualType |
| 1209 | /// or a null QualType (indicating an error diagnostic was issued). |
| 1210 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1211 | /// type checking binary operators (subroutines of ActOnBinOp). |
Chris Lattner | ca5eede | 2007-12-12 05:47:28 +0000 | [diff] [blame] | 1212 | inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1213 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1214 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1215 | inline QualType CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1216 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1217 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1218 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1219 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1220 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1221 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1222 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 1223 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 1224 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1225 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1226 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1227 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1228 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1229 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 1230 | // For simple assignment, pass both expressions and a null converted type. |
| 1231 | // For compound assignment, pass both expressions and the converted type. |
| 1232 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 1233 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1234 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Chris Lattner | 29a1cfb | 2008-11-18 01:30:42 +0000 | [diff] [blame] | 1235 | Expr *lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1236 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1237 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Nate Begeman | be2341d | 2008-07-14 18:02:46 +0000 | [diff] [blame] | 1238 | |
| 1239 | /// type checking for vector binary operators. |
| 1240 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
| 1241 | inline QualType CheckVectorCompareOperands(Expr *&lex, Expr *&rx, |
| 1242 | SourceLocation l, bool isRel); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1243 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1244 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1245 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| 1246 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc); |
| 1247 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 1248 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 1249 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 1250 | |
| 1251 | /// type checking primary expressions. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 1252 | QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc, |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 1253 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 1254 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 1255 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1256 | friend class InitListChecker; |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 1257 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType, |
| 1258 | SourceLocation InitLoc, std::string InitEntity); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 1259 | bool CheckSingleInitializer(Expr *&simpleInit, QualType declType); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 1260 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Eli Friedman | c594b32 | 2008-05-20 13:48:25 +0000 | [diff] [blame] | 1261 | bool CheckArithmeticConstantExpression(const Expr* e); |
| 1262 | bool CheckAddressConstantExpression(const Expr* e); |
| 1263 | bool CheckAddressConstantExpressionLValue(const Expr* e); |
Steve Naroff | 6594a70 | 2008-10-27 11:34:16 +0000 | [diff] [blame] | 1264 | void InitializerElementNotConstant(const Expr *e); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 1265 | |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 1266 | StringLiteral *IsStringLiteralInit(Expr *Init, QualType DeclType); |
| 1267 | bool CheckStringLiteralInit(StringLiteral *strLiteral, QualType &DeclT); |
Argyrios Kyrtzidis | 6c2dc4d | 2008-08-16 20:27:34 +0000 | [diff] [blame] | 1268 | |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 1269 | // type checking C++ declaration initializers (C++ [dcl.init]). |
| 1270 | |
| 1271 | /// ReferenceCompareResult - Expresses the result of comparing two |
| 1272 | /// types (cv1 T1 and cv2 T2) to determine their compatibility for the |
| 1273 | /// purposes of initialization by reference (C++ [dcl.init.ref]p4). |
| 1274 | enum ReferenceCompareResult { |
| 1275 | /// Ref_Incompatible - The two types are incompatible, so direct |
| 1276 | /// reference binding is not possible. |
| 1277 | Ref_Incompatible = 0, |
| 1278 | /// Ref_Related - The two types are reference-related, which means |
| 1279 | /// that their unqualified forms (T1 and T2) are either the same |
| 1280 | /// or T1 is a base class of T2. |
| 1281 | Ref_Related, |
| 1282 | /// Ref_Compatible_With_Added_Qualification - The two types are |
| 1283 | /// reference-compatible with added qualification, meaning that |
| 1284 | /// they are reference-compatible and the qualifiers on T1 (cv1) |
| 1285 | /// are greater than the qualifiers on T2 (cv2). |
| 1286 | Ref_Compatible_With_Added_Qualification, |
| 1287 | /// Ref_Compatible - The two types are reference-compatible and |
| 1288 | /// have equivalent qualifiers (cv1 == cv2). |
| 1289 | Ref_Compatible |
| 1290 | }; |
| 1291 | |
Douglas Gregor | 15da57e | 2008-10-29 02:00:59 +0000 | [diff] [blame] | 1292 | ReferenceCompareResult CompareReferenceRelationship(QualType T1, QualType T2, |
| 1293 | bool& DerivedToBase); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 1294 | |
| 1295 | bool CheckReferenceInit(Expr *&simpleInit_or_initList, QualType &declType, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 1296 | ImplicitConversionSequence *ICS = 0, |
| 1297 | bool SuppressUserConversions = false); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 1298 | |
Argyrios Kyrtzidis | 6c2dc4d | 2008-08-16 20:27:34 +0000 | [diff] [blame] | 1299 | /// CheckCastTypes - Check type constraints for casting between types. |
Daniel Dunbar | 58d5ebb | 2008-08-20 03:55:42 +0000 | [diff] [blame] | 1300 | bool CheckCastTypes(SourceRange TyRange, QualType CastTy, Expr *&CastExpr); |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 1301 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 1302 | // CheckVectorCast - check type constraints for vectors. |
| 1303 | // Since vectors are an extension, there are no C standard reference for this. |
| 1304 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 1305 | // returns true if the cast is invalid |
| 1306 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 1307 | |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 1308 | /// CheckMessageArgumentTypes - Check types in an Obj-C message send. |
| 1309 | /// \param Method - May be null. |
| 1310 | /// \param [out] ReturnType - The return type of the send. |
| 1311 | /// \return true iff there were any incompatible types. |
Daniel Dunbar | 91e19b2 | 2008-09-11 00:50:25 +0000 | [diff] [blame] | 1312 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, Selector Sel, |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 1313 | ObjCMethodDecl *Method, const char *PrefixStr, |
| 1314 | SourceLocation lbrac, SourceLocation rbrac, |
| 1315 | QualType &ReturnType); |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 1316 | |
| 1317 | /// CheckCXXBooleanCondition - Returns true if conversion to bool is invalid. |
| 1318 | bool CheckCXXBooleanCondition(Expr *&CondExpr); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 1319 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 1320 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 1321 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 1322 | /// the specified diagnostic. |
| 1323 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 1324 | unsigned NewWidth, bool NewSign, |
| 1325 | SourceLocation Loc, unsigned DiagID); |
| 1326 | |
Chris Lattner | eca7be6 | 2008-04-07 05:30:13 +0000 | [diff] [blame] | 1327 | bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, |
| 1328 | bool ForCompare); |
| 1329 | |
Anders Carlsson | 1528145 | 2008-11-04 16:57:32 +0000 | [diff] [blame] | 1330 | /// Checks that the Objective-C declaration is declared in the global scope. |
| 1331 | /// Emits an error and marks the declaration as invalid if it's not declared |
| 1332 | /// in the global scope. |
| 1333 | bool CheckObjCDeclScope(Decl *D); |
| 1334 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 1335 | void InitBuiltinVaListType(); |
Eli Friedman | 1b76ada | 2008-06-03 21:01:11 +0000 | [diff] [blame] | 1336 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 1337 | //===--------------------------------------------------------------------===// |
| 1338 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1339 | private: |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 1340 | Action::ExprResult CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1341 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
| 1342 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 1343 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
Eli Friedman | 6cfda23 | 2008-05-20 08:23:37 +0000 | [diff] [blame] | 1344 | bool SemaBuiltinStackAddress(CallExpr *TheCall); |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 1345 | Action::ExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
Daniel Dunbar | 4493f79 | 2008-07-21 22:59:13 +0000 | [diff] [blame] | 1346 | bool SemaBuiltinPrefetch(CallExpr *TheCall); |
Daniel Dunbar | d5f8a4f | 2008-09-03 21:13:56 +0000 | [diff] [blame] | 1347 | bool SemaBuiltinObjectSize(CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1348 | void CheckPrintfArguments(CallExpr *TheCall, |
| 1349 | bool HasVAListArg, unsigned format_idx); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 1350 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 1351 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 1352 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1353 | }; |
| 1354 | |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1355 | class InitListChecker { |
| 1356 | Sema *SemaRef; |
| 1357 | bool hadError; |
| 1358 | |
| 1359 | void CheckImplicitInitList(InitListExpr *ParentIList, QualType T, |
| 1360 | unsigned &Index); |
Steve Naroff | a647caa | 2008-05-06 00:23:44 +0000 | [diff] [blame] | 1361 | void CheckExplicitInitList(InitListExpr *IList, QualType &T, |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1362 | unsigned &Index); |
| 1363 | |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 1364 | void CheckListElementTypes(InitListExpr *IList, QualType &DeclType, |
| 1365 | unsigned &Index); |
| 1366 | void CheckSubElementType(InitListExpr *IList, QualType ElemType, |
| 1367 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1368 | // FIXME: Does DeclType need to be a reference type? |
| 1369 | void CheckScalarType(InitListExpr *IList, QualType &DeclType, |
| 1370 | unsigned &Index); |
| 1371 | void CheckVectorType(InitListExpr *IList, QualType DeclType, unsigned &Index); |
| 1372 | void CheckStructUnionTypes(InitListExpr *IList, QualType DeclType, |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 1373 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1374 | void CheckArrayType(InitListExpr *IList, QualType &DeclType, unsigned &Index); |
| 1375 | |
| 1376 | int numArrayElements(QualType DeclType); |
| 1377 | int numStructUnionElements(QualType DeclType); |
| 1378 | public: |
| 1379 | InitListChecker(Sema *S, InitListExpr *IL, QualType &T); |
| 1380 | bool HadError() { return hadError; } |
| 1381 | }; |
| 1382 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1383 | /// BlockSemaInfo - When a block is being parsed, this contains information |
| 1384 | /// about the block. It is pointed to from Sema::CurBlock. |
| 1385 | struct BlockSemaInfo { |
| 1386 | llvm::SmallVector<ParmVarDecl*, 8> Params; |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1387 | bool hasPrototype; |
| 1388 | bool isVariadic; |
| 1389 | |
Steve Naroff | 1c90bfc | 2008-10-08 18:44:00 +0000 | [diff] [blame] | 1390 | BlockDecl *TheDecl; |
| 1391 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1392 | /// TheScope - This is the scope for the block itself, which contains |
| 1393 | /// arguments etc. |
| 1394 | Scope *TheScope; |
| 1395 | |
| 1396 | /// ReturnType - This will get set to block result type, by looking at |
| 1397 | /// return types, if any, in the block body. |
| 1398 | Type *ReturnType; |
| 1399 | |
| 1400 | /// PrevBlockInfo - If this is nested inside another block, this points |
| 1401 | /// to the outer block. |
| 1402 | BlockSemaInfo *PrevBlockInfo; |
| 1403 | }; |
| 1404 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1405 | |
| 1406 | } // end namespace clang |
| 1407 | |
| 1408 | #endif |