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" |
Douglas Gregor | e0762c9 | 2009-06-19 23:52:42 +0000 | [diff] [blame] | 21 | #include "clang/AST/Attr.h" |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 22 | #include "clang/AST/DeclBase.h" |
Douglas Gregor | e0762c9 | 2009-06-19 23:52:42 +0000 | [diff] [blame] | 23 | #include "clang/AST/Decl.h" |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 24 | #include "clang/AST/DeclObjC.h" |
Anders Carlsson | 1c5976e | 2009-06-05 03:43:12 +0000 | [diff] [blame] | 25 | #include "clang/AST/DeclTemplate.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 26 | #include "clang/Parse/Action.h" |
Chris Lattner | 500d329 | 2009-01-29 05:15:15 +0000 | [diff] [blame] | 27 | #include "clang/Sema/SemaDiagnostic.h" |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 28 | #include "llvm/ADT/SmallVector.h" |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 29 | #include "llvm/ADT/DenseSet.h" |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 30 | #include "llvm/ADT/SmallPtrSet.h" |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 31 | #include "llvm/ADT/OwningPtr.h" |
Douglas Gregor | b33fe2f | 2009-06-30 17:20:14 +0000 | [diff] [blame] | 32 | #include <deque> |
Douglas Gregor | ac7610d | 2009-06-22 20:57:11 +0000 | [diff] [blame] | 33 | #include <list> |
Douglas Gregor | 4dc6b1c | 2009-01-16 00:38:09 +0000 | [diff] [blame] | 34 | #include <string> |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 35 | #include <vector> |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 36 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 37 | namespace llvm { |
| 38 | class APSInt; |
| 39 | } |
| 40 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 41 | namespace clang { |
| 42 | class ASTContext; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 43 | class ASTConsumer; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 44 | class Preprocessor; |
| 45 | class Decl; |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 46 | class DeclContext; |
Daniel Dunbar | 12bc692 | 2008-08-11 03:27:53 +0000 | [diff] [blame] | 47 | class DeclSpec; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 48 | class ExternalSemaSource; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 49 | class NamedDecl; |
Sebastian Redl | 798d119 | 2008-12-13 16:23:55 +0000 | [diff] [blame] | 50 | class Stmt; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 51 | class Expr; |
Steve Naroff | 6f9f307 | 2007-09-02 15:34:30 +0000 | [diff] [blame] | 52 | class InitListExpr; |
Nate Begeman | 2ef13e5 | 2009-08-10 23:49:36 +0000 | [diff] [blame] | 53 | class ParenListExpr; |
Douglas Gregor | 05c13a3 | 2009-01-22 00:58:24 +0000 | [diff] [blame] | 54 | class DesignatedInitExpr; |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 55 | class CallExpr; |
Douglas Gregor | 1a49af9 | 2009-01-06 05:10:23 +0000 | [diff] [blame] | 56 | class DeclRefExpr; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 57 | class VarDecl; |
| 58 | class ParmVarDecl; |
| 59 | class TypedefDecl; |
| 60 | class FunctionDecl; |
| 61 | class QualType; |
Sebastian Redl | 43af76e | 2009-03-07 12:16:37 +0000 | [diff] [blame] | 62 | class LangOptions; |
Chris Lattner | d217773 | 2007-07-20 16:59:19 +0000 | [diff] [blame] | 63 | class Token; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 64 | class IntegerLiteral; |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 65 | class StringLiteral; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 66 | class ArrayType; |
| 67 | class LabelStmt; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 68 | class SwitchStmt; |
Sebastian Redl | 13e8854 | 2009-04-27 21:33:24 +0000 | [diff] [blame] | 69 | class CXXTryStmt; |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 70 | class ExtVectorType; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 71 | class TypedefDecl; |
Douglas Gregor | aaba5e3 | 2009-02-04 19:02:06 +0000 | [diff] [blame] | 72 | class TemplateDecl; |
Douglas Gregor | 3e00bad | 2009-02-17 01:05:43 +0000 | [diff] [blame] | 73 | class TemplateArgument; |
Douglas Gregor | 7e06390 | 2009-05-11 23:53:27 +0000 | [diff] [blame] | 74 | class TemplateArgumentList; |
Douglas Gregor | ddc29e1 | 2009-02-06 22:42:48 +0000 | [diff] [blame] | 75 | class TemplateParameterList; |
Douglas Gregor | c15cb38 | 2009-02-09 23:23:08 +0000 | [diff] [blame] | 76 | class TemplateTemplateParmDecl; |
Douglas Gregor | c8ab256 | 2009-05-31 09:31:02 +0000 | [diff] [blame] | 77 | class ClassTemplatePartialSpecializationDecl; |
Douglas Gregor | 88b7094 | 2009-02-25 22:02:03 +0000 | [diff] [blame] | 78 | class ClassTemplateDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 79 | class ObjCInterfaceDecl; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 80 | class ObjCCompatibleAliasDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 81 | class ObjCProtocolDecl; |
Chris Lattner | cddc888 | 2009-03-01 00:56:52 +0000 | [diff] [blame] | 82 | class ObjCImplDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 83 | class ObjCImplementationDecl; |
| 84 | class ObjCCategoryImplDecl; |
| 85 | class ObjCCategoryDecl; |
| 86 | class ObjCIvarDecl; |
| 87 | class ObjCMethodDecl; |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 88 | class ObjCPropertyDecl; |
Steve Naroff | 0701bbb | 2009-01-08 17:28:14 +0000 | [diff] [blame] | 89 | class ObjCContainerDecl; |
Sebastian Redl | 4994d2d | 2009-07-04 11:39:00 +0000 | [diff] [blame] | 90 | class FunctionProtoType; |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 91 | class BasePaths; |
Sebastian Redl | 43af76e | 2009-03-07 12:16:37 +0000 | [diff] [blame] | 92 | struct MemberLookupCriteria; |
Anders Carlsson | ff6b3d6 | 2009-05-30 21:05:25 +0000 | [diff] [blame] | 93 | class CXXTemporary; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 94 | |
Chris Lattner | ea29a3a | 2009-04-18 20:01:55 +0000 | [diff] [blame] | 95 | /// BlockSemaInfo - When a block is being parsed, this contains information |
| 96 | /// about the block. It is pointed to from Sema::CurBlock. |
| 97 | struct BlockSemaInfo { |
| 98 | llvm::SmallVector<ParmVarDecl*, 8> Params; |
| 99 | bool hasPrototype; |
| 100 | bool isVariadic; |
| 101 | bool hasBlockDeclRefExprs; |
| 102 | |
| 103 | BlockDecl *TheDecl; |
| 104 | |
| 105 | /// TheScope - This is the scope for the block itself, which contains |
| 106 | /// arguments etc. |
| 107 | Scope *TheScope; |
| 108 | |
| 109 | /// ReturnType - This will get set to block result type, by looking at |
| 110 | /// return types, if any, in the block body. |
Fariborz Jahanian | 7d5c74e | 2009-06-19 23:37:08 +0000 | [diff] [blame] | 111 | QualType ReturnType; |
Chris Lattner | ea29a3a | 2009-04-18 20:01:55 +0000 | [diff] [blame] | 112 | |
| 113 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 114 | /// it (which acts like the label decl in some ways). Forward referenced |
| 115 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 116 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
| 117 | |
Chris Lattner | bcfce66 | 2009-04-18 20:10:59 +0000 | [diff] [blame] | 118 | /// SwitchStack - This is the current set of active switch statements in the |
| 119 | /// block. |
| 120 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
| 121 | |
Chris Lattner | 17a7830 | 2009-04-19 05:28:12 +0000 | [diff] [blame] | 122 | /// SavedFunctionNeedsScopeChecking - This is the value of |
| 123 | /// CurFunctionNeedsScopeChecking at the point when the block started. |
| 124 | bool SavedFunctionNeedsScopeChecking; |
| 125 | |
Chris Lattner | ea29a3a | 2009-04-18 20:01:55 +0000 | [diff] [blame] | 126 | /// PrevBlockInfo - If this is nested inside another block, this points |
| 127 | /// to the outer block. |
| 128 | BlockSemaInfo *PrevBlockInfo; |
| 129 | }; |
| 130 | |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 131 | /// \brief Holds a QualType and a DeclaratorInfo* that came out of a declarator |
| 132 | /// parsing. |
| 133 | /// |
| 134 | /// LocInfoType is a "transient" type, only needed for passing to/from Parser |
| 135 | /// and Sema, when we want to preserve type source info for a parsed type. |
| 136 | /// It will not participate in the type system semantics in any way. |
| 137 | class LocInfoType : public Type { |
| 138 | enum { |
| 139 | // The last number that can fit in Type's TC. |
| 140 | // Avoids conflict with an existing Type class. |
| 141 | LocInfo = (1 << TypeClassBitSize) - 1 |
| 142 | }; |
| 143 | |
| 144 | DeclaratorInfo *DeclInfo; |
| 145 | |
| 146 | LocInfoType(QualType ty, DeclaratorInfo *DInfo) |
| 147 | : Type((TypeClass)LocInfo, ty, ty->isDependentType()), DeclInfo(DInfo) { |
| 148 | assert(getTypeClass() == (TypeClass)LocInfo && "LocInfo didn't fit in TC?"); |
| 149 | } |
| 150 | friend class Sema; |
| 151 | |
| 152 | public: |
| 153 | QualType getType() const { return getCanonicalTypeInternal(); } |
| 154 | DeclaratorInfo *getDeclaratorInfo() const { return DeclInfo; } |
| 155 | |
| 156 | virtual void getAsStringInternal(std::string &Str, |
| 157 | const PrintingPolicy &Policy) const; |
| 158 | |
| 159 | static bool classof(const Type *T) { |
| 160 | return T->getTypeClass() == (TypeClass)LocInfo; |
| 161 | } |
| 162 | static bool classof(const LocInfoType *) { return true; } |
| 163 | }; |
| 164 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 165 | /// Sema - This implements semantic analysis and AST building for C. |
| 166 | class Sema : public Action { |
Chris Lattner | f50adff | 2009-02-17 00:58:30 +0000 | [diff] [blame] | 167 | Sema(const Sema&); // DO NOT IMPLEMENT |
| 168 | void operator=(const Sema&); // DO NOT IMPLEMENT |
Chris Lattner | 0b2f4da | 2008-06-29 00:28:59 +0000 | [diff] [blame] | 169 | public: |
Chris Lattner | 53ebff3 | 2009-01-22 19:21:44 +0000 | [diff] [blame] | 170 | const LangOptions &LangOpts; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 171 | Preprocessor &PP; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 172 | ASTContext &Context; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 173 | ASTConsumer &Consumer; |
Chris Lattner | 3cfa928 | 2008-11-22 08:28:49 +0000 | [diff] [blame] | 174 | Diagnostic &Diags; |
| 175 | SourceManager &SourceMgr; |
Steve Naroff | 0330071 | 2007-11-12 13:56:41 +0000 | [diff] [blame] | 176 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 177 | /// \brief Source of additional semantic information. |
| 178 | ExternalSemaSource *ExternalSource; |
| 179 | |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 180 | /// CurContext - This is the current declaration context of parsing. |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 181 | DeclContext *CurContext; |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 182 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 183 | /// PreDeclaratorDC - Keeps the declaration context before switching to the |
| 184 | /// context of a declarator's nested-name-specifier. |
| 185 | DeclContext *PreDeclaratorDC; |
| 186 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 187 | /// CurBlock - If inside of a block definition, this contains a pointer to |
| 188 | /// the active block object that represents it. |
| 189 | BlockSemaInfo *CurBlock; |
| 190 | |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 191 | /// PackContext - Manages the stack for #pragma pack. An alignment |
| 192 | /// of 0 indicates default alignment. |
Chris Lattner | 574aa40 | 2009-02-17 01:09:29 +0000 | [diff] [blame] | 193 | void *PackContext; // Really a "PragmaPackStack*" |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 194 | |
Chris Lattner | ea29a3a | 2009-04-18 20:01:55 +0000 | [diff] [blame] | 195 | /// FunctionLabelMap - This is a mapping from label identifiers to the |
| 196 | /// LabelStmt for it (which acts like the label decl in some ways). Forward |
| 197 | /// referenced labels have a LabelStmt created for them with a null location & |
| 198 | /// SubStmt. |
| 199 | /// |
| 200 | /// Note that this should always be accessed through getLabelMap() in order |
| 201 | /// to handle blocks properly. |
| 202 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> FunctionLabelMap; |
Steve Naroff | caaacec | 2009-03-13 15:38:40 +0000 | [diff] [blame] | 203 | |
Chris Lattner | bcfce66 | 2009-04-18 20:10:59 +0000 | [diff] [blame] | 204 | /// FunctionSwitchStack - This is the current set of active switch statements |
| 205 | /// in the top level function. Clients should always use getSwitchStack() to |
| 206 | /// handle the case when they are in a block. |
| 207 | llvm::SmallVector<SwitchStmt*, 8> FunctionSwitchStack; |
Anders Carlsson | 165a0a0 | 2009-05-17 18:41:29 +0000 | [diff] [blame] | 208 | |
| 209 | /// ExprTemporaries - This is the stack of temporaries that are created by |
| 210 | /// the current full expression. |
Anders Carlsson | ff6b3d6 | 2009-05-30 21:05:25 +0000 | [diff] [blame] | 211 | llvm::SmallVector<CXXTemporary*, 8> ExprTemporaries; |
Anders Carlsson | 165a0a0 | 2009-05-17 18:41:29 +0000 | [diff] [blame] | 212 | |
Chris Lattner | 38c5ebd | 2009-04-19 05:21:20 +0000 | [diff] [blame] | 213 | /// CurFunctionNeedsScopeChecking - This is set to true when a function or |
| 214 | /// ObjC method body contains a VLA or an ObjC try block, which introduce |
| 215 | /// scopes that need to be checked for goto conditions. If a function does |
| 216 | /// not contain this, then it need not have the jump checker run on it. |
| 217 | bool CurFunctionNeedsScopeChecking; |
| 218 | |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 219 | /// ExtVectorDecls - This is a list all the extended vector types. This allows |
| 220 | /// 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] | 221 | /// This is only necessary for issuing pretty diagnostics. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 222 | llvm::SmallVector<TypedefDecl*, 24> ExtVectorDecls; |
Steve Naroff | e84a864 | 2008-09-28 14:55:53 +0000 | [diff] [blame] | 223 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 224 | /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. |
| 225 | llvm::OwningPtr<CXXFieldCollector> FieldCollector; |
| 226 | |
Anders Carlsson | 4681ebd | 2009-03-22 20:18:17 +0000 | [diff] [blame] | 227 | typedef llvm::SmallPtrSet<const CXXRecordDecl*, 8> RecordDeclSetTy; |
| 228 | |
| 229 | /// PureVirtualClassDiagSet - a set of class declarations which we have |
| 230 | /// emitted a list of pure virtual functions. Used to prevent emitting the |
| 231 | /// same list more than once. |
| 232 | llvm::OwningPtr<RecordDeclSetTy> PureVirtualClassDiagSet; |
| 233 | |
Douglas Gregor | 6393519 | 2009-03-02 00:19:53 +0000 | [diff] [blame] | 234 | /// \brief A mapping from external names to the most recent |
| 235 | /// locally-scoped external declaration with that name. |
| 236 | /// |
| 237 | /// This map contains external declarations introduced in local |
| 238 | /// scoped, e.g., |
| 239 | /// |
| 240 | /// \code |
| 241 | /// void f() { |
| 242 | /// void foo(int, int); |
| 243 | /// } |
| 244 | /// \endcode |
| 245 | /// |
| 246 | /// Here, the name "foo" will be associated with the declaration on |
| 247 | /// "foo" within f. This name is not visible outside of |
| 248 | /// "f". However, we still find it in two cases: |
| 249 | /// |
| 250 | /// - If we are declaring another external with the name "foo", we |
| 251 | /// can find "foo" as a previous declaration, so that the types |
| 252 | /// of this external declaration can be checked for |
| 253 | /// compatibility. |
| 254 | /// |
| 255 | /// - If we would implicitly declare "foo" (e.g., due to a call to |
| 256 | /// "foo" in C when no prototype or definition is visible), then |
| 257 | /// we find this declaration of "foo" and complain that it is |
| 258 | /// not visible. |
| 259 | llvm::DenseMap<DeclarationName, NamedDecl *> LocallyScopedExternalDecls; |
| 260 | |
Douglas Gregor | b6c8c8b | 2009-04-21 17:11:58 +0000 | [diff] [blame] | 261 | /// \brief The set of tentative declarations seen so far in this |
| 262 | /// translation unit for which no definition has been seen. |
| 263 | /// |
| 264 | /// The tentative declarations are indexed by the name of the |
| 265 | /// declaration, and only the most recent tentative declaration for |
| 266 | /// a given variable will be recorded here. |
| 267 | llvm::DenseMap<DeclarationName, VarDecl *> TentativeDefinitions; |
| 268 | |
Ryan Flynn | e25ff83 | 2009-07-30 03:15:39 +0000 | [diff] [blame] | 269 | /// WeakUndeclaredIdentifiers - Identifiers contained in |
| 270 | /// #pragma weak before declared. rare. may alias another |
| 271 | /// identifier, declared or undeclared |
| 272 | class WeakInfo { |
| 273 | IdentifierInfo *alias; // alias (optional) |
| 274 | SourceLocation loc; // for diagnostics |
| 275 | bool used; // identifier later declared? |
| 276 | public: |
| 277 | WeakInfo() |
| 278 | : alias(0), loc(SourceLocation()), used(false) {} |
| 279 | WeakInfo(IdentifierInfo *Alias, SourceLocation Loc) |
| 280 | : alias(Alias), loc(Loc), used(false) {} |
| 281 | inline IdentifierInfo * getAlias() const { return alias; } |
| 282 | inline SourceLocation getLocation() const { return loc; } |
| 283 | void setUsed(bool Used=true) { used = Used; } |
| 284 | inline bool getUsed() { return used; } |
| 285 | bool operator==(WeakInfo RHS) const { |
| 286 | return alias == RHS.getAlias() && loc == RHS.getLocation(); |
| 287 | } |
| 288 | bool operator!=(WeakInfo RHS) const { return !(*this == RHS); } |
| 289 | }; |
| 290 | llvm::DenseMap<IdentifierInfo*,WeakInfo> WeakUndeclaredIdentifiers; |
| 291 | |
Ryan Flynn | 7b1fdbd | 2009-07-31 02:52:19 +0000 | [diff] [blame] | 292 | /// WeakTopLevelDecl - Translation-unit scoped declarations generated by |
| 293 | /// #pragma weak during processing of other Decls. |
| 294 | /// I couldn't figure out a clean way to generate these in-line, so |
| 295 | /// we store them here and handle separately -- which is a hack. |
| 296 | /// It would be best to refactor this. |
| 297 | llvm::SmallVector<Decl*,2> WeakTopLevelDecl; |
| 298 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 299 | IdentifierResolver IdResolver; |
| 300 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 301 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 302 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 303 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 304 | Scope *TUScope; |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 305 | |
| 306 | /// The C++ "std" namespace, where the standard library resides. Cached here |
| 307 | /// by GetStdNamespace |
| 308 | NamespaceDecl *StdNamespace; |
Sebastian Redl | b5a57a6 | 2008-12-03 20:26:15 +0000 | [diff] [blame] | 309 | |
| 310 | /// A flag to remember whether the implicit forms of operator new and delete |
| 311 | /// have been declared. |
| 312 | bool GlobalNewDeleteDeclared; |
Douglas Gregor | f807fe0 | 2009-04-14 16:27:31 +0000 | [diff] [blame] | 313 | |
Douglas Gregor | ac7610d | 2009-06-22 20:57:11 +0000 | [diff] [blame] | 314 | /// The current expression evaluation context. |
| 315 | ExpressionEvaluationContext ExprEvalContext; |
| 316 | |
| 317 | typedef std::vector<std::pair<SourceLocation, Decl *> > |
| 318 | PotentiallyReferencedDecls; |
| 319 | |
| 320 | /// A stack of declarations, each element of which is a set of declarations |
| 321 | /// that will be marked as referenced if the corresponding potentially |
| 322 | /// potentially evaluated expression is potentially evaluated. Each element |
| 323 | /// in the stack corresponds to a PotentiallyPotentiallyEvaluated expression |
| 324 | /// evaluation context. |
| 325 | std::list<PotentiallyReferencedDecls> PotentiallyReferencedDeclStack; |
Douglas Gregor | e0762c9 | 2009-06-19 23:52:42 +0000 | [diff] [blame] | 326 | |
Douglas Gregor | f807fe0 | 2009-04-14 16:27:31 +0000 | [diff] [blame] | 327 | /// \brief Whether the code handled by Sema should be considered a |
| 328 | /// complete translation unit or not. |
| 329 | /// |
| 330 | /// When true (which is generally the case), Sema will perform |
| 331 | /// end-of-translation-unit semantic tasks (such as creating |
| 332 | /// initializers for tentative definitions in C) once parsing has |
| 333 | /// completed. This flag will be false when building PCH files, |
| 334 | /// since a PCH file is by definition not a complete translation |
| 335 | /// unit. |
| 336 | bool CompleteTranslationUnit; |
| 337 | |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 338 | llvm::BumpPtrAllocator BumpAlloc; |
| 339 | |
Douglas Gregor | bb26041 | 2009-06-14 08:02:22 +0000 | [diff] [blame] | 340 | /// \brief The number of SFINAE diagnostics that have been trapped. |
| 341 | unsigned NumSFINAEErrors; |
| 342 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 343 | typedef llvm::DenseMap<Selector, ObjCMethodList> MethodPool; |
| 344 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 345 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 346 | /// messages to "id". We need to maintain a list, since selectors can have |
| 347 | /// differing signatures across classes. In Cocoa, this happens to be |
| 348 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 349 | MethodPool InstanceMethodPool; |
| 350 | MethodPool FactoryMethodPool; |
Steve Naroff | 6b9dfd4 | 2009-03-04 15:11:40 +0000 | [diff] [blame] | 351 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 352 | MethodPool::iterator ReadMethodPool(Selector Sel, bool isInstance); |
| 353 | |
Steve Naroff | 6b9dfd4 | 2009-03-04 15:11:40 +0000 | [diff] [blame] | 354 | /// Private Helper predicate to check for 'self'. |
| 355 | bool isSelfExpr(Expr *RExpr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 356 | public: |
Douglas Gregor | f807fe0 | 2009-04-14 16:27:31 +0000 | [diff] [blame] | 357 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer, |
| 358 | bool CompleteTranslationUnit = true); |
Chris Lattner | 574aa40 | 2009-02-17 01:09:29 +0000 | [diff] [blame] | 359 | ~Sema() { |
| 360 | if (PackContext) FreePackedContext(); |
| 361 | } |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 362 | |
Chris Lattner | 53ebff3 | 2009-01-22 19:21:44 +0000 | [diff] [blame] | 363 | const LangOptions &getLangOptions() const { return LangOpts; } |
Chris Lattner | 3cfa928 | 2008-11-22 08:28:49 +0000 | [diff] [blame] | 364 | Diagnostic &getDiagnostics() const { return Diags; } |
| 365 | SourceManager &getSourceManager() const { return SourceMgr; } |
| 366 | |
Douglas Gregor | 25a88bb | 2009-03-20 22:48:49 +0000 | [diff] [blame] | 367 | /// \brief Helper class that creates diagnostics with optional |
| 368 | /// template instantiation stacks. |
| 369 | /// |
| 370 | /// This class provides a wrapper around the basic DiagnosticBuilder |
| 371 | /// class that emits diagnostics. SemaDiagnosticBuilder is |
| 372 | /// responsible for emitting the diagnostic (as DiagnosticBuilder |
| 373 | /// does) and, if the diagnostic comes from inside a template |
| 374 | /// instantiation, printing the template instantiation stack as |
| 375 | /// well. |
| 376 | class SemaDiagnosticBuilder : public DiagnosticBuilder { |
| 377 | Sema &SemaRef; |
| 378 | unsigned DiagID; |
| 379 | |
| 380 | public: |
| 381 | SemaDiagnosticBuilder(DiagnosticBuilder &DB, Sema &SemaRef, unsigned DiagID) |
| 382 | : DiagnosticBuilder(DB), SemaRef(SemaRef), DiagID(DiagID) { } |
| 383 | |
Douglas Gregor | 5e9f35c | 2009-06-14 07:33:30 +0000 | [diff] [blame] | 384 | explicit SemaDiagnosticBuilder(Sema &SemaRef) |
| 385 | : DiagnosticBuilder(DiagnosticBuilder::Suppress), SemaRef(SemaRef) { } |
| 386 | |
Douglas Gregor | 25a88bb | 2009-03-20 22:48:49 +0000 | [diff] [blame] | 387 | ~SemaDiagnosticBuilder(); |
| 388 | }; |
| 389 | |
| 390 | /// \brief Emit a diagnostic. |
| 391 | SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID) { |
Douglas Gregor | 5e9f35c | 2009-06-14 07:33:30 +0000 | [diff] [blame] | 392 | if (isSFINAEContext() && Diagnostic::isBuiltinSFINAEDiag(DiagID)) { |
| 393 | // If we encountered an error during template argument |
| 394 | // deduction, and that error is one of the SFINAE errors, |
Douglas Gregor | bb26041 | 2009-06-14 08:02:22 +0000 | [diff] [blame] | 395 | // suppress the diagnostic. |
Douglas Gregor | 8439fac | 2009-06-15 16:52:15 +0000 | [diff] [blame] | 396 | ++NumSFINAEErrors; |
| 397 | return SemaDiagnosticBuilder(*this); |
Douglas Gregor | 5e9f35c | 2009-06-14 07:33:30 +0000 | [diff] [blame] | 398 | } |
| 399 | |
Douglas Gregor | ee1828a | 2009-03-10 18:03:33 +0000 | [diff] [blame] | 400 | DiagnosticBuilder DB = Diags.Report(FullSourceLoc(Loc, SourceMgr), DiagID); |
Douglas Gregor | 25a88bb | 2009-03-20 22:48:49 +0000 | [diff] [blame] | 401 | return SemaDiagnosticBuilder(DB, *this, DiagID); |
Chris Lattner | 3cfa928 | 2008-11-22 08:28:49 +0000 | [diff] [blame] | 402 | } |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 403 | |
Anders Carlsson | 91a0cc9 | 2009-08-26 22:33:56 +0000 | [diff] [blame^] | 404 | /// \brief Emit a partial diagnostic. |
| 405 | SemaDiagnosticBuilder Diag(SourceLocation Loc, const PartialDiagnostic& PD); |
| 406 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 407 | virtual void DeleteExpr(ExprTy *E); |
| 408 | virtual void DeleteStmt(StmtTy *S); |
| 409 | |
Sebastian Redl | 798d119 | 2008-12-13 16:23:55 +0000 | [diff] [blame] | 410 | OwningExprResult Owned(Expr* E) { return OwningExprResult(*this, E); } |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 411 | OwningExprResult Owned(ExprResult R) { |
Douglas Gregor | 5ac8aff | 2009-01-26 22:44:13 +0000 | [diff] [blame] | 412 | if (R.isInvalid()) |
Steve Naroff | 872b9ac | 2009-01-21 22:32:33 +0000 | [diff] [blame] | 413 | return ExprError(); |
Douglas Gregor | 5ac8aff | 2009-01-26 22:44:13 +0000 | [diff] [blame] | 414 | return OwningExprResult(*this, R.get()); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 415 | } |
Sebastian Redl | 798d119 | 2008-12-13 16:23:55 +0000 | [diff] [blame] | 416 | OwningStmtResult Owned(Stmt* S) { return OwningStmtResult(*this, S); } |
| 417 | |
Chris Lattner | 9299f3f | 2008-08-23 03:19:52 +0000 | [diff] [blame] | 418 | virtual void ActOnEndOfTranslationUnit(); |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 419 | |
Chris Lattner | ea29a3a | 2009-04-18 20:01:55 +0000 | [diff] [blame] | 420 | /// getLabelMap() - Return the current label map. If we're in a block, we |
| 421 | /// return it. |
| 422 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> &getLabelMap() { |
| 423 | return CurBlock ? CurBlock->LabelMap : FunctionLabelMap; |
| 424 | } |
| 425 | |
Chris Lattner | bcfce66 | 2009-04-18 20:10:59 +0000 | [diff] [blame] | 426 | /// getSwitchStack - This is returns the switch stack for the current block or |
| 427 | /// function. |
| 428 | llvm::SmallVector<SwitchStmt*,8> &getSwitchStack() { |
| 429 | return CurBlock ? CurBlock->SwitchStack : FunctionSwitchStack; |
| 430 | } |
Ryan Flynn | 7b1fdbd | 2009-07-31 02:52:19 +0000 | [diff] [blame] | 431 | |
| 432 | /// WeakTopLevelDeclDecls - access to #pragma weak-generated Decls |
| 433 | llvm::SmallVector<Decl*,2> &WeakTopLevelDecls() { return WeakTopLevelDecl; } |
Chris Lattner | bcfce66 | 2009-04-18 20:10:59 +0000 | [diff] [blame] | 434 | |
Douglas Gregor | 2e22253 | 2009-07-02 17:08:52 +0000 | [diff] [blame] | 435 | virtual void ActOnComment(SourceRange Comment); |
| 436 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 437 | //===--------------------------------------------------------------------===// |
| 438 | // Type Analysis / Processing: SemaType.cpp. |
| 439 | // |
Douglas Gregor | 2dc0e64 | 2009-03-23 23:06:20 +0000 | [diff] [blame] | 440 | QualType adjustParameterType(QualType T); |
Chris Lattner | eaaebc7 | 2009-04-25 08:06:05 +0000 | [diff] [blame] | 441 | QualType ConvertDeclSpecToType(const DeclSpec &DS, SourceLocation DeclLoc, |
| 442 | bool &IsInvalid); |
Chris Lattner | c9b346d | 2008-06-29 00:50:08 +0000 | [diff] [blame] | 443 | void ProcessTypeAttributeList(QualType &Result, const AttributeList *AL); |
Douglas Gregor | cd281c3 | 2009-02-28 00:25:32 +0000 | [diff] [blame] | 444 | QualType BuildPointerType(QualType T, unsigned Quals, |
| 445 | SourceLocation Loc, DeclarationName Entity); |
Sebastian Redl | 7c80bd6 | 2009-03-16 23:22:08 +0000 | [diff] [blame] | 446 | QualType BuildReferenceType(QualType T, bool LValueRef, unsigned Quals, |
Douglas Gregor | cd281c3 | 2009-02-28 00:25:32 +0000 | [diff] [blame] | 447 | SourceLocation Loc, DeclarationName Entity); |
| 448 | QualType BuildArrayType(QualType T, ArrayType::ArraySizeModifier ASM, |
| 449 | Expr *ArraySize, unsigned Quals, |
Douglas Gregor | 7e7eb3d | 2009-07-06 15:59:29 +0000 | [diff] [blame] | 450 | SourceRange Brackets, DeclarationName Entity); |
Douglas Gregor | 9cdda0c | 2009-06-17 21:51:59 +0000 | [diff] [blame] | 451 | QualType BuildExtVectorType(QualType T, ExprArg ArraySize, |
| 452 | SourceLocation AttrLoc); |
Douglas Gregor | 724651c | 2009-02-28 01:04:19 +0000 | [diff] [blame] | 453 | QualType BuildFunctionType(QualType T, |
| 454 | QualType *ParamTypes, unsigned NumParamTypes, |
| 455 | bool Variadic, unsigned Quals, |
| 456 | SourceLocation Loc, DeclarationName Entity); |
Douglas Gregor | 949bf69 | 2009-06-09 22:17:39 +0000 | [diff] [blame] | 457 | QualType BuildMemberPointerType(QualType T, QualType Class, |
| 458 | unsigned Quals, SourceLocation Loc, |
| 459 | DeclarationName Entity); |
Anders Carlsson | 9a917e4 | 2009-06-12 22:56:54 +0000 | [diff] [blame] | 460 | QualType BuildBlockPointerType(QualType T, unsigned Quals, |
| 461 | SourceLocation Loc, DeclarationName Entity); |
Argyrios Kyrtzidis | a1d5662 | 2009-08-19 01:27:57 +0000 | [diff] [blame] | 462 | QualType GetTypeForDeclarator(Declarator &D, Scope *S, |
| 463 | DeclaratorInfo **DInfo = 0, |
| 464 | unsigned Skip = 0, TagDecl **OwnedDecl = 0); |
Argyrios Kyrtzidis | 4adab7f | 2009-08-19 01:28:06 +0000 | [diff] [blame] | 465 | DeclaratorInfo *GetDeclaratorInfoForDeclarator(Declarator &D, QualType T, |
| 466 | unsigned Skip); |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 467 | /// \brief Create a LocInfoType to hold the given QualType and DeclaratorInfo. |
| 468 | QualType CreateLocInfoType(QualType T, DeclaratorInfo *DInfo); |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 469 | DeclarationName GetNameForDeclarator(Declarator &D); |
Argyrios Kyrtzidis | e866190 | 2009-08-19 01:28:28 +0000 | [diff] [blame] | 470 | static QualType GetTypeFromParser(TypeTy *Ty, DeclaratorInfo **DInfo = 0); |
Sebastian Redl | ef65f06 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 471 | bool CheckSpecifiedExceptionType(QualType T, const SourceRange &Range); |
Sebastian Redl | 6a7330c | 2009-05-29 15:01:05 +0000 | [diff] [blame] | 472 | bool CheckDistantExceptionSpec(QualType T); |
Sebastian Redl | 4994d2d | 2009-07-04 11:39:00 +0000 | [diff] [blame] | 473 | bool CheckEquivalentExceptionSpec( |
| 474 | const FunctionProtoType *Old, SourceLocation OldLoc, |
| 475 | const FunctionProtoType *New, SourceLocation NewLoc); |
Sebastian Redl | 23c7d06 | 2009-07-07 20:29:57 +0000 | [diff] [blame] | 476 | bool CheckExceptionSpecSubset(unsigned DiagID, unsigned NoteID, |
| 477 | const FunctionProtoType *Superset, SourceLocation SuperLoc, |
| 478 | const FunctionProtoType *Subset, SourceLocation SubLoc); |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 479 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 480 | QualType ObjCGetTypeForMethodDefinition(DeclPtrTy D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 481 | |
Douglas Gregor | 5737326 | 2008-10-22 14:17:15 +0000 | [diff] [blame] | 482 | bool UnwrapSimilarPointerTypes(QualType& T1, QualType& T2); |
| 483 | |
Sebastian Redl | cee63fb | 2008-12-02 14:43:59 +0000 | [diff] [blame] | 484 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Sebastian Redl | 37d6de3 | 2008-11-08 13:00:26 +0000 | [diff] [blame] | 485 | |
Douglas Gregor | 86447ec | 2009-03-09 16:13:40 +0000 | [diff] [blame] | 486 | bool RequireCompleteType(SourceLocation Loc, QualType T, unsigned diag, |
Douglas Gregor | 4ec339f | 2009-01-19 19:26:10 +0000 | [diff] [blame] | 487 | SourceRange Range1 = SourceRange(), |
| 488 | SourceRange Range2 = SourceRange(), |
| 489 | QualType PrintType = QualType()); |
Anders Carlsson | 91a0cc9 | 2009-08-26 22:33:56 +0000 | [diff] [blame^] | 490 | bool RequireCompleteType(SourceLocation Loc, QualType T, |
| 491 | const PartialDiagnostic &PD); |
| 492 | |
Douglas Gregor | e625893 | 2009-03-19 00:39:20 +0000 | [diff] [blame] | 493 | QualType getQualifiedNameType(const CXXScopeSpec &SS, QualType T); |
| 494 | |
Anders Carlsson | af017e6 | 2009-06-29 22:58:55 +0000 | [diff] [blame] | 495 | QualType BuildTypeofExprType(Expr *E); |
| 496 | QualType BuildDecltypeType(Expr *E); |
| 497 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 498 | //===--------------------------------------------------------------------===// |
| 499 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 500 | // |
Chris Lattner | 21ff9c9 | 2009-03-05 01:25:28 +0000 | [diff] [blame] | 501 | |
| 502 | /// getDeclName - Return a pretty name for the specified decl if possible, or |
| 503 | /// an empty string if not. This is used for pretty crash reporting. |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 504 | virtual std::string getDeclName(DeclPtrTy D); |
Chris Lattner | 21ff9c9 | 2009-03-05 01:25:28 +0000 | [diff] [blame] | 505 | |
Chris Lattner | 682bf92 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 506 | DeclGroupPtrTy ConvertDeclToDeclGroup(DeclPtrTy Ptr); |
| 507 | |
Douglas Gregor | 1a51b4a | 2009-02-09 15:09:02 +0000 | [diff] [blame] | 508 | virtual TypeTy *getTypeName(IdentifierInfo &II, SourceLocation NameLoc, |
Douglas Gregor | 42c39f3 | 2009-08-26 18:27:52 +0000 | [diff] [blame] | 509 | Scope *S, const CXXScopeSpec *SS, |
| 510 | bool isClassName = false); |
Chris Lattner | 4c97d76 | 2009-04-12 21:49:30 +0000 | [diff] [blame] | 511 | virtual DeclSpec::TST isTagName(IdentifierInfo &II, Scope *S); |
| 512 | |
Chris Lattner | 682bf92 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 513 | virtual DeclPtrTy ActOnDeclarator(Scope *S, Declarator &D) { |
Douglas Gregor | e542c86 | 2009-06-23 23:11:28 +0000 | [diff] [blame] | 514 | return HandleDeclarator(S, D, MultiTemplateParamsArg(*this), false); |
Douglas Gregor | 584049d | 2008-12-15 23:53:10 +0000 | [diff] [blame] | 515 | } |
Douglas Gregor | e542c86 | 2009-06-23 23:11:28 +0000 | [diff] [blame] | 516 | |
| 517 | DeclPtrTy HandleDeclarator(Scope *S, Declarator &D, |
| 518 | MultiTemplateParamsArg TemplateParameterLists, |
| 519 | bool IsFunctionDefinition); |
Douglas Gregor | 6393519 | 2009-03-02 00:19:53 +0000 | [diff] [blame] | 520 | void RegisterLocallyScopedExternCDecl(NamedDecl *ND, NamedDecl *PrevDecl, |
| 521 | Scope *S); |
Eli Friedman | 85a5319 | 2009-04-07 19:37:57 +0000 | [diff] [blame] | 522 | void DiagnoseFunctionSpecifiers(Declarator& D); |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 523 | NamedDecl* ActOnTypedefDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
Argyrios Kyrtzidis | a1d5662 | 2009-08-19 01:27:57 +0000 | [diff] [blame] | 524 | QualType R, DeclaratorInfo *DInfo, |
| 525 | Decl* PrevDecl, bool &Redeclaration); |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 526 | NamedDecl* ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
Argyrios Kyrtzidis | a1d5662 | 2009-08-19 01:27:57 +0000 | [diff] [blame] | 527 | QualType R, DeclaratorInfo *DInfo, |
| 528 | NamedDecl* PrevDecl, |
Douglas Gregor | dfe3f2d | 2009-07-22 17:18:37 +0000 | [diff] [blame] | 529 | MultiTemplateParamsArg TemplateParamLists, |
Douglas Gregor | cda9c67 | 2009-02-16 17:45:42 +0000 | [diff] [blame] | 530 | bool &Redeclaration); |
Chris Lattner | eaaebc7 | 2009-04-25 08:06:05 +0000 | [diff] [blame] | 531 | void CheckVariableDeclaration(VarDecl *NewVD, NamedDecl *PrevDecl, |
Douglas Gregor | 3d7a12a | 2009-03-25 23:32:15 +0000 | [diff] [blame] | 532 | bool &Redeclaration); |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 533 | NamedDecl* ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
Argyrios Kyrtzidis | a1d5662 | 2009-08-19 01:27:57 +0000 | [diff] [blame] | 534 | QualType R, DeclaratorInfo *DInfo, |
| 535 | NamedDecl* PrevDecl, |
Douglas Gregor | e542c86 | 2009-06-23 23:11:28 +0000 | [diff] [blame] | 536 | MultiTemplateParamsArg TemplateParamLists, |
Douglas Gregor | 04495c8 | 2009-02-24 01:23:02 +0000 | [diff] [blame] | 537 | bool IsFunctionDefinition, |
Chris Lattner | eaaebc7 | 2009-04-25 08:06:05 +0000 | [diff] [blame] | 538 | bool &Redeclaration); |
| 539 | void CheckFunctionDeclaration(FunctionDecl *NewFD, NamedDecl *&PrevDecl, |
Douglas Gregor | 2dc0e64 | 2009-03-23 23:06:20 +0000 | [diff] [blame] | 540 | bool &Redeclaration, |
| 541 | bool &OverloadableAttrRequired); |
John McCall | 8c4859a | 2009-07-24 03:03:21 +0000 | [diff] [blame] | 542 | void CheckMain(FunctionDecl *FD); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 543 | virtual DeclPtrTy ActOnParamDeclarator(Scope *S, Declarator &D); |
| 544 | virtual void ActOnParamDefaultArgument(DeclPtrTy param, |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 545 | SourceLocation EqualLoc, |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 546 | ExprArg defarg); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 547 | virtual void ActOnParamUnparsedDefaultArgument(DeclPtrTy param, |
Anders Carlsson | 5e300d1 | 2009-06-12 16:51:40 +0000 | [diff] [blame] | 548 | SourceLocation EqualLoc, |
| 549 | SourceLocation ArgLoc); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 550 | virtual void ActOnParamDefaultArgumentError(DeclPtrTy param); |
Anders Carlsson | ed961f9 | 2009-08-25 02:29:20 +0000 | [diff] [blame] | 551 | bool SetParamDefaultArgument(ParmVarDecl *Param, ExprArg DefaultArg, |
| 552 | SourceLocation EqualLoc); |
| 553 | |
Anders Carlsson | 5e300d1 | 2009-06-12 16:51:40 +0000 | [diff] [blame] | 554 | |
| 555 | // Contains the locations of the beginning of unparsed default |
| 556 | // argument locations. |
| 557 | llvm::DenseMap<ParmVarDecl *,SourceLocation> UnparsedDefaultArgLocs; |
| 558 | |
Anders Carlsson | 9abf2ae | 2009-08-16 05:13:48 +0000 | [diff] [blame] | 559 | virtual void AddInitializerToDecl(DeclPtrTy dcl, ExprArg init); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 560 | void AddInitializerToDecl(DeclPtrTy dcl, ExprArg init, bool DirectInit); |
Anders Carlsson | 6a75cd9 | 2009-07-11 00:34:39 +0000 | [diff] [blame] | 561 | void ActOnUninitializedDecl(DeclPtrTy dcl, bool TypeContainsUndeducedAuto); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 562 | virtual void SetDeclDeleted(DeclPtrTy dcl, SourceLocation DelLoc); |
Eli Friedman | c1dc653 | 2009-05-29 01:49:24 +0000 | [diff] [blame] | 563 | virtual DeclGroupPtrTy FinalizeDeclaratorGroup(Scope *S, const DeclSpec &DS, |
| 564 | DeclPtrTy *Group, |
Chris Lattner | 682bf92 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 565 | unsigned NumDecls); |
Douglas Gregor | a3a8351 | 2009-04-01 23:51:29 +0000 | [diff] [blame] | 566 | virtual void ActOnFinishKNRParamDeclarations(Scope *S, Declarator &D, |
| 567 | SourceLocation LocAfterDecls); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 568 | virtual DeclPtrTy ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
| 569 | virtual DeclPtrTy ActOnStartOfFunctionDef(Scope *S, DeclPtrTy D); |
| 570 | virtual void ActOnStartOfObjCMethodDef(Scope *S, DeclPtrTy D); |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 571 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 572 | virtual DeclPtrTy ActOnFinishFunctionBody(DeclPtrTy Decl, StmtArg Body); |
Douglas Gregor | e2c31ff | 2009-05-15 17:59:04 +0000 | [diff] [blame] | 573 | DeclPtrTy ActOnFinishFunctionBody(DeclPtrTy Decl, StmtArg Body, |
| 574 | bool IsInstantiation); |
Douglas Gregor | e0762c9 | 2009-06-19 23:52:42 +0000 | [diff] [blame] | 575 | |
| 576 | /// \brief Diagnose any unused parameters in the given sequence of |
| 577 | /// ParmVarDecl pointers. |
| 578 | template<typename InputIterator> |
| 579 | void DiagnoseUnusedParameters(InputIterator Param, InputIterator ParamEnd) { |
| 580 | for (; Param != ParamEnd; ++Param) { |
| 581 | if (!(*Param)->isUsed() && (*Param)->getDeclName() && |
Argyrios Kyrtzidis | 40b598e | 2009-06-30 02:34:44 +0000 | [diff] [blame] | 582 | !(*Param)->template hasAttr<UnusedAttr>()) |
Douglas Gregor | e0762c9 | 2009-06-19 23:52:42 +0000 | [diff] [blame] | 583 | Diag((*Param)->getLocation(), diag::warn_unused_parameter) |
| 584 | << (*Param)->getDeclName(); |
| 585 | } |
| 586 | } |
| 587 | |
Chris Lattner | 5af280c | 2009-04-19 04:46:21 +0000 | [diff] [blame] | 588 | void DiagnoseInvalidJumps(Stmt *Body); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 589 | virtual DeclPtrTy ActOnFileScopeAsmDecl(SourceLocation Loc, ExprArg expr); |
Anders Carlsson | dfab6cb | 2008-02-08 00:33:21 +0000 | [diff] [blame] | 590 | |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 591 | /// Scope actions. |
| 592 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 593 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 594 | |
| 595 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 596 | /// no declarator (e.g. "struct foo;") is parsed. |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 597 | virtual DeclPtrTy ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 598 | |
Douglas Gregor | bcbffc4 | 2009-01-07 00:43:41 +0000 | [diff] [blame] | 599 | bool InjectAnonymousStructOrUnionMembers(Scope *S, DeclContext *Owner, |
| 600 | RecordDecl *AnonRecord); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 601 | virtual DeclPtrTy BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS, |
| 602 | RecordDecl *Record); |
Douglas Gregor | bcbffc4 | 2009-01-07 00:43:41 +0000 | [diff] [blame] | 603 | |
Douglas Gregor | 501c5ce | 2009-05-14 16:41:31 +0000 | [diff] [blame] | 604 | bool isAcceptableTagRedeclaration(const TagDecl *Previous, |
| 605 | TagDecl::TagKind NewTag, |
| 606 | SourceLocation NewTagLoc, |
| 607 | const IdentifierInfo &Name); |
Douglas Gregor | ed4ec8f | 2009-05-03 17:18:57 +0000 | [diff] [blame] | 608 | |
John McCall | 0f434ec | 2009-07-31 02:45:11 +0000 | [diff] [blame] | 609 | virtual DeclPtrTy ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 610 | SourceLocation KWLoc, const CXXScopeSpec &SS, |
| 611 | IdentifierInfo *Name, SourceLocation NameLoc, |
Douglas Gregor | 402abb5 | 2009-05-28 23:31:59 +0000 | [diff] [blame] | 612 | AttributeList *Attr, AccessSpecifier AS, |
Douglas Gregor | 7cdbc58 | 2009-07-22 23:48:44 +0000 | [diff] [blame] | 613 | MultiTemplateParamsArg TemplateParameterLists, |
Douglas Gregor | 402abb5 | 2009-05-28 23:31:59 +0000 | [diff] [blame] | 614 | bool &OwnedDecl); |
Ted Kremenek | 4b7c983 | 2008-09-05 17:16:31 +0000 | [diff] [blame] | 615 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 616 | virtual void ActOnDefs(Scope *S, DeclPtrTy TagD, SourceLocation DeclStart, |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 617 | IdentifierInfo *ClassName, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 618 | llvm::SmallVectorImpl<DeclPtrTy> &Decls); |
| 619 | virtual DeclPtrTy ActOnField(Scope *S, DeclPtrTy TagD, |
| 620 | SourceLocation DeclStart, |
| 621 | Declarator &D, ExprTy *BitfieldWidth); |
Chris Lattner | 2479366 | 2009-03-05 22:45:59 +0000 | [diff] [blame] | 622 | |
| 623 | FieldDecl *HandleField(Scope *S, RecordDecl *TagD, SourceLocation DeclStart, |
Douglas Gregor | 4dd55f5 | 2009-03-11 20:50:30 +0000 | [diff] [blame] | 624 | Declarator &D, Expr *BitfieldWidth, |
| 625 | AccessSpecifier AS); |
Chris Lattner | 2479366 | 2009-03-05 22:45:59 +0000 | [diff] [blame] | 626 | |
Argyrios Kyrtzidis | a1d5662 | 2009-08-19 01:27:57 +0000 | [diff] [blame] | 627 | FieldDecl *CheckFieldDecl(DeclarationName Name, QualType T, |
| 628 | DeclaratorInfo *DInfo, |
Douglas Gregor | 3cf538d | 2009-03-11 18:59:21 +0000 | [diff] [blame] | 629 | RecordDecl *Record, SourceLocation Loc, |
| 630 | bool Mutable, Expr *BitfieldWidth, |
Steve Naroff | ea218b8 | 2009-07-14 14:58:18 +0000 | [diff] [blame] | 631 | SourceLocation TSSL, |
Douglas Gregor | 4dd55f5 | 2009-03-11 20:50:30 +0000 | [diff] [blame] | 632 | AccessSpecifier AS, NamedDecl *PrevDecl, |
Douglas Gregor | 3cf538d | 2009-03-11 18:59:21 +0000 | [diff] [blame] | 633 | Declarator *D = 0); |
Douglas Gregor | 1f2023a | 2009-07-22 18:25:24 +0000 | [diff] [blame] | 634 | |
| 635 | enum CXXSpecialMember { |
| 636 | CXXDefaultConstructor = 0, |
| 637 | CXXCopyConstructor = 1, |
| 638 | CXXCopyAssignment = 2, |
| 639 | CXXDestructor = 3 |
| 640 | }; |
| 641 | void DiagnoseNontrivial(const RecordType* Record, CXXSpecialMember mem); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 642 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 643 | virtual DeclPtrTy ActOnIvar(Scope *S, SourceLocation DeclStart, |
Fariborz Jahanian | 496b5a8 | 2009-06-05 18:16:35 +0000 | [diff] [blame] | 644 | DeclPtrTy IntfDecl, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 645 | Declarator &D, ExprTy *BitfieldWidth, |
| 646 | tok::ObjCKeywordKind visibility); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 647 | |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 648 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 649 | virtual void ActOnFields(Scope* S, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 650 | SourceLocation RecLoc, DeclPtrTy TagDecl, |
| 651 | DeclPtrTy *Fields, unsigned NumFields, |
Daniel Dunbar | 1bfe1c2 | 2008-10-03 02:03:53 +0000 | [diff] [blame] | 652 | SourceLocation LBrac, SourceLocation RBrac, |
| 653 | AttributeList *AttrList); |
Douglas Gregor | 72de667 | 2009-01-08 20:45:30 +0000 | [diff] [blame] | 654 | |
| 655 | /// ActOnTagStartDefinition - Invoked when we have entered the |
| 656 | /// scope of a tag's definition (e.g., for an enumeration, class, |
| 657 | /// struct, or union). |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 658 | virtual void ActOnTagStartDefinition(Scope *S, DeclPtrTy TagDecl); |
Douglas Gregor | 72de667 | 2009-01-08 20:45:30 +0000 | [diff] [blame] | 659 | |
| 660 | /// ActOnTagFinishDefinition - Invoked once we have finished parsing |
| 661 | /// the definition of a tag (enumeration, class, struct, or union). |
Argyrios Kyrtzidis | 07a5b28 | 2009-07-14 03:17:52 +0000 | [diff] [blame] | 662 | virtual void ActOnTagFinishDefinition(Scope *S, DeclPtrTy TagDecl, |
| 663 | SourceLocation RBraceLoc); |
Douglas Gregor | 72de667 | 2009-01-08 20:45:30 +0000 | [diff] [blame] | 664 | |
Douglas Gregor | 879fd49 | 2009-03-17 19:05:46 +0000 | [diff] [blame] | 665 | EnumConstantDecl *CheckEnumConstant(EnumDecl *Enum, |
| 666 | EnumConstantDecl *LastEnumConst, |
| 667 | SourceLocation IdLoc, |
| 668 | IdentifierInfo *Id, |
| 669 | ExprArg val); |
| 670 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 671 | virtual DeclPtrTy ActOnEnumConstant(Scope *S, DeclPtrTy EnumDecl, |
| 672 | DeclPtrTy LastEnumConstant, |
| 673 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 674 | SourceLocation EqualLoc, ExprTy *Val); |
Mike Stump | c6e35aa | 2009-05-16 07:06:02 +0000 | [diff] [blame] | 675 | virtual void ActOnEnumBody(SourceLocation EnumLoc, SourceLocation LBraceLoc, |
| 676 | SourceLocation RBraceLoc, DeclPtrTy EnumDecl, |
Edward O'Callaghan | fee1381 | 2009-08-08 14:36:57 +0000 | [diff] [blame] | 677 | DeclPtrTy *Elements, unsigned NumElements, |
| 678 | Scope *S, AttributeList *Attr); |
Sebastian Redl | 37d6de3 | 2008-11-08 13:00:26 +0000 | [diff] [blame] | 679 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 680 | DeclContext *getContainingDC(DeclContext *DC); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 681 | |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 682 | /// Set the current declaration context until it gets popped. |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 683 | void PushDeclContext(Scope *S, DeclContext *DC); |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 684 | void PopDeclContext(); |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 685 | |
Argyrios Kyrtzidis | 1d17553 | 2009-06-17 23:15:40 +0000 | [diff] [blame] | 686 | /// EnterDeclaratorContext - Used when we must lookup names in the context |
| 687 | /// of a declarator's nested name specifier. |
| 688 | void EnterDeclaratorContext(Scope *S, DeclContext *DC); |
| 689 | void ExitDeclaratorContext(Scope *S); |
| 690 | |
Anders Carlsson | 8517d9b | 2009-08-08 17:45:02 +0000 | [diff] [blame] | 691 | DeclContext *getFunctionLevelDeclContext(); |
Argyrios Kyrtzidis | 1d17553 | 2009-06-17 23:15:40 +0000 | [diff] [blame] | 692 | |
Chris Lattner | 371f258 | 2008-12-04 23:50:19 +0000 | [diff] [blame] | 693 | /// getCurFunctionDecl - If inside of a function body, this returns a pointer |
| 694 | /// to the function decl for the function being parsed. If we're currently |
| 695 | /// in a 'block', this returns the containing context. |
| 696 | FunctionDecl *getCurFunctionDecl(); |
| 697 | |
| 698 | /// getCurMethodDecl - If inside of a method body, this returns a pointer to |
| 699 | /// the method decl for the method being parsed. If we're currently |
| 700 | /// in a 'block', this returns the containing context. |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 701 | ObjCMethodDecl *getCurMethodDecl(); |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 702 | |
Chris Lattner | 371f258 | 2008-12-04 23:50:19 +0000 | [diff] [blame] | 703 | /// getCurFunctionOrMethodDecl - Return the Decl for the current ObjC method |
| 704 | /// or C function we're in, otherwise return null. If we're currently |
| 705 | /// in a 'block', this returns the containing context. |
| 706 | NamedDecl *getCurFunctionOrMethodDecl(); |
| 707 | |
Argyrios Kyrtzidis | 87f3ff0 | 2008-04-12 00:47:19 +0000 | [diff] [blame] | 708 | /// Add this decl to the scope shadowed decl chains. |
| 709 | void PushOnScopeChains(NamedDecl *D, Scope *S); |
| 710 | |
Argyrios Kyrtzidis | 15a12d0 | 2008-09-09 21:18:04 +0000 | [diff] [blame] | 711 | /// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true |
| 712 | /// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns |
| 713 | /// true if 'D' belongs to the given declaration context. |
| 714 | bool isDeclInScope(Decl *D, DeclContext *Ctx, Scope *S = 0) { |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 715 | return IdResolver.isDeclInScope(D, Ctx, Context, S); |
Argyrios Kyrtzidis | 15a12d0 | 2008-09-09 21:18:04 +0000 | [diff] [blame] | 716 | } |
| 717 | |
Eli Friedman | 8f17b66 | 2009-02-28 05:41:13 +0000 | [diff] [blame] | 718 | |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 719 | /// Subroutines of ActOnDeclarator(). |
Chris Lattner | 682bf92 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 720 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T); |
Chris Lattner | eaaebc7 | 2009-04-25 08:06:05 +0000 | [diff] [blame] | 721 | void MergeTypeDefDecl(TypedefDecl *New, Decl *Old); |
Douglas Gregor | cda9c67 | 2009-02-16 17:45:42 +0000 | [diff] [blame] | 722 | bool MergeFunctionDecl(FunctionDecl *New, Decl *Old); |
Douglas Gregor | 04495c8 | 2009-02-24 01:23:02 +0000 | [diff] [blame] | 723 | bool MergeCompatibleFunctionDecls(FunctionDecl *New, FunctionDecl *Old); |
Chris Lattner | eaaebc7 | 2009-04-25 08:06:05 +0000 | [diff] [blame] | 724 | void MergeVarDecl(VarDecl *New, Decl *Old); |
Douglas Gregor | cda9c67 | 2009-02-16 17:45:42 +0000 | [diff] [blame] | 725 | bool MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 726 | |
| 727 | /// C++ Overloading. |
| 728 | bool IsOverload(FunctionDecl *New, Decl* OldD, |
| 729 | OverloadedFunctionDecl::function_iterator &MatchedDecl); |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 730 | ImplicitConversionSequence |
| 731 | TryImplicitConversion(Expr* From, QualType ToType, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 732 | bool SuppressUserConversions = false, |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 733 | bool AllowExplicit = false, |
| 734 | bool ForceRValue = false); |
Douglas Gregor | 60d62c2 | 2008-10-31 16:23:19 +0000 | [diff] [blame] | 735 | bool IsStandardConversion(Expr *From, QualType ToType, |
| 736 | StandardConversionSequence& SCS); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 737 | bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); |
| 738 | bool IsFloatingPointPromotion(QualType FromType, QualType ToType); |
Douglas Gregor | 5cdf821 | 2009-02-12 00:15:05 +0000 | [diff] [blame] | 739 | bool IsComplexPromotion(QualType FromType, QualType ToType); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 740 | bool IsPointerConversion(Expr *From, QualType FromType, QualType ToType, |
Douglas Gregor | 45920e8 | 2008-12-19 17:40:08 +0000 | [diff] [blame] | 741 | QualType& ConvertedType, bool &IncompatibleObjC); |
Douglas Gregor | c788751 | 2008-12-19 19:13:09 +0000 | [diff] [blame] | 742 | bool isObjCPointerConversion(QualType FromType, QualType ToType, |
| 743 | QualType& ConvertedType, bool &IncompatibleObjC); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 744 | bool CheckPointerConversion(Expr *From, QualType ToType); |
Sebastian Redl | 4433aaf | 2009-01-25 19:43:20 +0000 | [diff] [blame] | 745 | bool IsMemberPointerConversion(Expr *From, QualType FromType, QualType ToType, |
| 746 | QualType &ConvertedType); |
Anders Carlsson | 27a5b9b | 2009-08-22 23:33:40 +0000 | [diff] [blame] | 747 | bool CheckMemberPointerConversion(Expr *From, QualType ToType, |
| 748 | CastExpr::CastKind &Kind); |
Douglas Gregor | 98cd599 | 2008-10-21 23:43:52 +0000 | [diff] [blame] | 749 | bool IsQualificationConversion(QualType FromType, QualType ToType); |
Douglas Gregor | 60d62c2 | 2008-10-31 16:23:19 +0000 | [diff] [blame] | 750 | bool IsUserDefinedConversion(Expr *From, QualType ToType, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 751 | UserDefinedConversionSequence& User, |
Douglas Gregor | 734d986 | 2009-01-30 23:27:23 +0000 | [diff] [blame] | 752 | bool AllowConversionFunctions, |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 753 | bool AllowExplicit, bool ForceRValue); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 754 | |
| 755 | ImplicitConversionSequence::CompareKind |
| 756 | CompareImplicitConversionSequences(const ImplicitConversionSequence& ICS1, |
| 757 | const ImplicitConversionSequence& ICS2); |
| 758 | |
| 759 | ImplicitConversionSequence::CompareKind |
| 760 | CompareStandardConversionSequences(const StandardConversionSequence& SCS1, |
| 761 | const StandardConversionSequence& SCS2); |
| 762 | |
Douglas Gregor | 5737326 | 2008-10-22 14:17:15 +0000 | [diff] [blame] | 763 | ImplicitConversionSequence::CompareKind |
| 764 | CompareQualificationConversions(const StandardConversionSequence& SCS1, |
| 765 | const StandardConversionSequence& SCS2); |
| 766 | |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 767 | ImplicitConversionSequence::CompareKind |
| 768 | CompareDerivedToBaseConversions(const StandardConversionSequence& SCS1, |
| 769 | const StandardConversionSequence& SCS2); |
| 770 | |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 771 | ImplicitConversionSequence |
| 772 | TryCopyInitialization(Expr* From, QualType ToType, |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 773 | bool SuppressUserConversions = false, |
| 774 | bool ForceRValue = false); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 775 | bool PerformCopyInitialization(Expr *&From, QualType ToType, |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 776 | const char *Flavor, bool Elidable = false); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 777 | |
Douglas Gregor | 96176b3 | 2008-11-18 23:14:02 +0000 | [diff] [blame] | 778 | ImplicitConversionSequence |
| 779 | TryObjectArgumentInitialization(Expr *From, CXXMethodDecl *Method); |
| 780 | bool PerformObjectArgumentInitialization(Expr *&From, CXXMethodDecl *Method); |
| 781 | |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 782 | ImplicitConversionSequence TryContextuallyConvertToBool(Expr *From); |
| 783 | bool PerformContextuallyConvertToBool(Expr *&From); |
Fariborz Jahanian | 98a541e | 2009-07-29 18:40:24 +0000 | [diff] [blame] | 784 | |
Fariborz Jahanian | f3e53d3 | 2009-07-29 19:40:11 +0000 | [diff] [blame] | 785 | bool PerformObjectMemberConversion(Expr *&From, NamedDecl *Member); |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 786 | |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 787 | /// OverloadingResult - Capture the result of performing overload |
| 788 | /// resolution. |
| 789 | enum OverloadingResult { |
| 790 | OR_Success, ///< Overload resolution succeeded. |
| 791 | OR_No_Viable_Function, ///< No viable function found. |
Douglas Gregor | 48f3bb9 | 2009-02-18 21:56:37 +0000 | [diff] [blame] | 792 | OR_Ambiguous, ///< Ambiguous candidates found. |
| 793 | OR_Deleted ///< Overload resoltuion refers to a deleted function. |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 794 | }; |
| 795 | |
John McCall | 6ff0785 | 2009-08-07 22:18:02 +0000 | [diff] [blame] | 796 | // Members have to be NamespaceDecl* or TranslationUnitDecl*. |
| 797 | // TODO: make this is a typesafe union. |
| 798 | typedef llvm::SmallPtrSet<DeclContext *, 16> AssociatedNamespaceSet; |
| 799 | |
Douglas Gregor | 364e021 | 2009-06-27 21:05:07 +0000 | [diff] [blame] | 800 | typedef llvm::SmallPtrSet<AnyFunctionDecl, 16> FunctionSet; |
Douglas Gregor | 063daf6 | 2009-03-13 18:40:31 +0000 | [diff] [blame] | 801 | typedef llvm::SmallPtrSet<CXXRecordDecl *, 16> AssociatedClassSet; |
| 802 | |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 803 | void AddOverloadCandidate(FunctionDecl *Function, |
| 804 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 805 | OverloadCandidateSet& CandidateSet, |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 806 | bool SuppressUserConversions = false, |
| 807 | bool ForceRValue = false); |
Douglas Gregor | 063daf6 | 2009-03-13 18:40:31 +0000 | [diff] [blame] | 808 | void AddFunctionCandidates(const FunctionSet &Functions, |
| 809 | Expr **Args, unsigned NumArgs, |
| 810 | OverloadCandidateSet& CandidateSet, |
| 811 | bool SuppressUserConversions = false); |
Douglas Gregor | 96176b3 | 2008-11-18 23:14:02 +0000 | [diff] [blame] | 812 | void AddMethodCandidate(CXXMethodDecl *Method, |
| 813 | Expr *Object, Expr **Args, unsigned NumArgs, |
| 814 | OverloadCandidateSet& CandidateSet, |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 815 | bool SuppressUserConversions = false, |
| 816 | bool ForceRValue = false); |
Douglas Gregor | 6b90686 | 2009-08-21 00:16:32 +0000 | [diff] [blame] | 817 | void AddMethodTemplateCandidate(FunctionTemplateDecl *MethodTmpl, |
| 818 | bool HasExplicitTemplateArgs, |
| 819 | const TemplateArgument *ExplicitTemplateArgs, |
| 820 | unsigned NumExplicitTemplateArgs, |
| 821 | Expr *Object, Expr **Args, unsigned NumArgs, |
| 822 | OverloadCandidateSet& CandidateSet, |
| 823 | bool SuppressUserConversions = false, |
| 824 | bool ForceRValue = false); |
Douglas Gregor | e53060f | 2009-06-25 22:08:12 +0000 | [diff] [blame] | 825 | void AddTemplateOverloadCandidate(FunctionTemplateDecl *FunctionTemplate, |
Douglas Gregor | 6db8ed4 | 2009-06-30 23:57:56 +0000 | [diff] [blame] | 826 | bool HasExplicitTemplateArgs, |
| 827 | const TemplateArgument *ExplicitTemplateArgs, |
| 828 | unsigned NumExplicitTemplateArgs, |
Douglas Gregor | e53060f | 2009-06-25 22:08:12 +0000 | [diff] [blame] | 829 | Expr **Args, unsigned NumArgs, |
| 830 | OverloadCandidateSet& CandidateSet, |
| 831 | bool SuppressUserConversions = false, |
| 832 | bool ForceRValue = false); |
Douglas Gregor | f1991ea | 2008-11-07 22:36:19 +0000 | [diff] [blame] | 833 | void AddConversionCandidate(CXXConversionDecl *Conversion, |
| 834 | Expr *From, QualType ToType, |
| 835 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 65ec1fd | 2009-08-21 23:19:43 +0000 | [diff] [blame] | 836 | void AddTemplateConversionCandidate(FunctionTemplateDecl *FunctionTemplate, |
| 837 | Expr *From, QualType ToType, |
| 838 | OverloadCandidateSet &CandidateSet); |
Douglas Gregor | 106c6eb | 2008-11-19 22:57:39 +0000 | [diff] [blame] | 839 | void AddSurrogateCandidate(CXXConversionDecl *Conversion, |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 840 | const FunctionProtoType *Proto, |
Douglas Gregor | 106c6eb | 2008-11-19 22:57:39 +0000 | [diff] [blame] | 841 | Expr *Object, Expr **Args, unsigned NumArgs, |
| 842 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 063daf6 | 2009-03-13 18:40:31 +0000 | [diff] [blame] | 843 | void AddOperatorCandidates(OverloadedOperatorKind Op, Scope *S, |
Douglas Gregor | f680a0f | 2009-02-04 16:44:47 +0000 | [diff] [blame] | 844 | SourceLocation OpLoc, |
Douglas Gregor | 96176b3 | 2008-11-18 23:14:02 +0000 | [diff] [blame] | 845 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | f680a0f | 2009-02-04 16:44:47 +0000 | [diff] [blame] | 846 | OverloadCandidateSet& CandidateSet, |
| 847 | SourceRange OpRange = SourceRange()); |
Douglas Gregor | 063daf6 | 2009-03-13 18:40:31 +0000 | [diff] [blame] | 848 | void AddMemberOperatorCandidates(OverloadedOperatorKind Op, |
| 849 | SourceLocation OpLoc, |
| 850 | Expr **Args, unsigned NumArgs, |
| 851 | OverloadCandidateSet& CandidateSet, |
| 852 | SourceRange OpRange = SourceRange()); |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 853 | void AddBuiltinCandidate(QualType ResultTy, QualType *ParamTys, |
| 854 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | 88b4bf2 | 2009-01-13 00:52:54 +0000 | [diff] [blame] | 855 | OverloadCandidateSet& CandidateSet, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 856 | bool IsAssignmentOperator = false, |
| 857 | unsigned NumContextualBoolArguments = 0); |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 858 | void AddBuiltinOperatorCandidates(OverloadedOperatorKind Op, |
| 859 | Expr **Args, unsigned NumArgs, |
| 860 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | fa04764 | 2009-02-04 00:32:51 +0000 | [diff] [blame] | 861 | void AddArgumentDependentLookupCandidates(DeclarationName Name, |
| 862 | Expr **Args, unsigned NumArgs, |
| 863 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 864 | bool isBetterOverloadCandidate(const OverloadCandidate& Cand1, |
| 865 | const OverloadCandidate& Cand2); |
| 866 | OverloadingResult BestViableFunction(OverloadCandidateSet& CandidateSet, |
Douglas Gregor | e0762c9 | 2009-06-19 23:52:42 +0000 | [diff] [blame] | 867 | SourceLocation Loc, |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 868 | OverloadCandidateSet::iterator& Best); |
| 869 | void PrintOverloadCandidates(OverloadCandidateSet& CandidateSet, |
| 870 | bool OnlyViable); |
| 871 | |
Douglas Gregor | 904eed3 | 2008-11-10 20:40:00 +0000 | [diff] [blame] | 872 | FunctionDecl *ResolveAddressOfOverloadedFunction(Expr *From, QualType ToType, |
| 873 | bool Complain); |
| 874 | void FixOverloadedFunctionReference(Expr *E, FunctionDecl *Fn); |
| 875 | |
Douglas Gregor | 1733001 | 2009-02-04 15:01:18 +0000 | [diff] [blame] | 876 | FunctionDecl *ResolveOverloadedCallFn(Expr *Fn, NamedDecl *Callee, |
| 877 | DeclarationName UnqualifiedName, |
Douglas Gregor | 6db8ed4 | 2009-06-30 23:57:56 +0000 | [diff] [blame] | 878 | bool HasExplicitTemplateArgs, |
| 879 | const TemplateArgument *ExplicitTemplateArgs, |
| 880 | unsigned NumExplicitTemplateArgs, |
Douglas Gregor | 0a39668 | 2008-11-26 06:01:48 +0000 | [diff] [blame] | 881 | SourceLocation LParenLoc, |
| 882 | Expr **Args, unsigned NumArgs, |
| 883 | SourceLocation *CommaLocs, |
Douglas Gregor | fa04764 | 2009-02-04 00:32:51 +0000 | [diff] [blame] | 884 | SourceLocation RParenLoc, |
Douglas Gregor | 1733001 | 2009-02-04 15:01:18 +0000 | [diff] [blame] | 885 | bool &ArgumentDependentLookup); |
Douglas Gregor | 063daf6 | 2009-03-13 18:40:31 +0000 | [diff] [blame] | 886 | |
Douglas Gregor | bc736fc | 2009-03-13 23:49:33 +0000 | [diff] [blame] | 887 | OwningExprResult CreateOverloadedUnaryOp(SourceLocation OpLoc, |
| 888 | unsigned Opc, |
| 889 | FunctionSet &Functions, |
| 890 | ExprArg input); |
| 891 | |
Douglas Gregor | 063daf6 | 2009-03-13 18:40:31 +0000 | [diff] [blame] | 892 | OwningExprResult CreateOverloadedBinOp(SourceLocation OpLoc, |
| 893 | unsigned Opc, |
| 894 | FunctionSet &Functions, |
| 895 | Expr *LHS, Expr *RHS); |
| 896 | |
Douglas Gregor | 88a3514 | 2008-12-22 05:46:06 +0000 | [diff] [blame] | 897 | ExprResult |
| 898 | BuildCallToMemberFunction(Scope *S, Expr *MemExpr, |
| 899 | SourceLocation LParenLoc, Expr **Args, |
| 900 | unsigned NumArgs, SourceLocation *CommaLocs, |
| 901 | SourceLocation RParenLoc); |
Douglas Gregor | f9eb905 | 2008-11-19 21:05:33 +0000 | [diff] [blame] | 902 | ExprResult |
Douglas Gregor | 5c37de7 | 2008-12-06 00:22:45 +0000 | [diff] [blame] | 903 | BuildCallToObjectOfClassType(Scope *S, Expr *Object, SourceLocation LParenLoc, |
Douglas Gregor | f9eb905 | 2008-11-19 21:05:33 +0000 | [diff] [blame] | 904 | Expr **Args, unsigned NumArgs, |
| 905 | SourceLocation *CommaLocs, |
| 906 | SourceLocation RParenLoc); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 907 | |
Douglas Gregor | fe85ced | 2009-08-06 03:17:00 +0000 | [diff] [blame] | 908 | OwningExprResult BuildOverloadedArrowExpr(Scope *S, ExprArg Base, |
| 909 | SourceLocation OpLoc); |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 910 | |
Mike Stump | 5692586 | 2009-07-28 22:04:01 +0000 | [diff] [blame] | 911 | /// Helpers for dealing with blocks and functions. |
Mike Stump | b1682c5 | 2009-07-22 23:56:57 +0000 | [diff] [blame] | 912 | void CheckFallThroughForFunctionDef(Decl *D, Stmt *Body); |
Mike Stump | 5692586 | 2009-07-28 22:04:01 +0000 | [diff] [blame] | 913 | void CheckFallThroughForBlock(QualType BlockTy, Stmt *Body); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 914 | bool CheckParmsForFunctionDef(FunctionDecl *FD); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 915 | void CheckCXXDefaultArguments(FunctionDecl *FD); |
Douglas Gregor | 6d6eb57 | 2008-05-07 04:49:29 +0000 | [diff] [blame] | 916 | void CheckExtraCXXDefaultArguments(Declarator &D); |
Mike Stump | b1682c5 | 2009-07-22 23:56:57 +0000 | [diff] [blame] | 917 | enum ControlFlowKind { NeverFallThrough = 0, MaybeFallThrough = 1, |
| 918 | AlwaysFallThrough = 2 }; |
| 919 | ControlFlowKind CheckFallThrough(Stmt *); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 920 | |
Douglas Gregor | 1a0d31a | 2009-01-12 18:45:55 +0000 | [diff] [blame] | 921 | Scope *getNonFieldDeclScope(Scope *S); |
| 922 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 923 | /// \name Name lookup |
| 924 | /// |
| 925 | /// These routines provide name lookup that is used during semantic |
| 926 | /// analysis to resolve the various kinds of names (identifiers, |
| 927 | /// overloaded operator names, constructor names, etc.) into zero or |
| 928 | /// more declarations within a particular scope. The major entry |
| 929 | /// points are LookupName, which performs unqualified name lookup, |
| 930 | /// and LookupQualifiedName, which performs qualified name lookup. |
| 931 | /// |
| 932 | /// All name lookup is performed based on some specific criteria, |
| 933 | /// which specify what names will be visible to name lookup and how |
| 934 | /// far name lookup should work. These criteria are important both |
| 935 | /// for capturing language semantics (certain lookups will ignore |
| 936 | /// certain names, for example) and for performance, since name |
| 937 | /// lookup is often a bottleneck in the compilation of C++. Name |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 938 | /// lookup criteria is specified via the LookupCriteria enumeration. |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 939 | /// |
| 940 | /// The results of name lookup can vary based on the kind of name |
| 941 | /// lookup performed, the current language, and the translation |
| 942 | /// unit. In C, for example, name lookup will either return nothing |
| 943 | /// (no entity found) or a single declaration. In C++, name lookup |
| 944 | /// can additionally refer to a set of overloaded functions or |
| 945 | /// result in an ambiguity. All of the possible results of name |
| 946 | /// lookup are captured by the LookupResult class, which provides |
| 947 | /// the ability to distinguish among them. |
| 948 | //@{ |
Douglas Gregor | f780abc | 2008-12-30 03:27:21 +0000 | [diff] [blame] | 949 | |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 950 | /// @brief Describes the kind of name lookup to perform. |
| 951 | enum LookupNameKind { |
| 952 | /// Ordinary name lookup, which finds ordinary names (functions, |
| 953 | /// variables, typedefs, etc.) in C and most kinds of names |
| 954 | /// (functions, variables, members, types, etc.) in C++. |
| 955 | LookupOrdinaryName = 0, |
| 956 | /// Tag name lookup, which finds the names of enums, classes, |
| 957 | /// structs, and unions. |
| 958 | LookupTagName, |
| 959 | /// Member name lookup, which finds the names of |
| 960 | /// class/struct/union members. |
| 961 | LookupMemberName, |
Douglas Gregor | f680a0f | 2009-02-04 16:44:47 +0000 | [diff] [blame] | 962 | // Look up of an operator name (e.g., operator+) for use with |
| 963 | // operator overloading. This lookup is similar to ordinary name |
| 964 | // lookup, but will ignore any declarations that are class |
| 965 | // members. |
| 966 | LookupOperatorName, |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 967 | /// Look up of a name that precedes the '::' scope resolution |
| 968 | /// operator in C++. This lookup completely ignores operator, |
| 969 | /// function, and enumerator names (C++ [basic.lookup.qual]p1). |
| 970 | LookupNestedNameSpecifierName, |
| 971 | /// Look up a namespace name within a C++ using directive or |
| 972 | /// namespace alias definition, ignoring non-namespace names (C++ |
| 973 | /// [basic.lookup.udir]p1). |
Douglas Gregor | d6f7e9d | 2009-02-24 20:03:32 +0000 | [diff] [blame] | 974 | LookupNamespaceName, |
Douglas Gregor | 6e378de | 2009-04-23 23:18:26 +0000 | [diff] [blame] | 975 | /// Look up an ordinary name that is going to be redeclared as a |
| 976 | /// name with linkage. This lookup ignores any declarations that |
| 977 | /// are outside of the current scope unless they have linkage. See |
| 978 | /// C99 6.2.2p4-5 and C++ [basic.link]p6. |
| 979 | LookupRedeclarationWithLinkage, |
| 980 | /// Look up the name of an Objective-C protocol. |
Douglas Gregor | 8fc463a | 2009-04-24 00:11:27 +0000 | [diff] [blame] | 981 | LookupObjCProtocolName, |
| 982 | /// Look up the name of an Objective-C implementation |
| 983 | LookupObjCImplementationName, |
| 984 | /// Look up the name of an Objective-C category implementation |
| 985 | LookupObjCCategoryImplName |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 986 | }; |
| 987 | |
| 988 | /// @brief Represents the results of name lookup. |
| 989 | /// |
| 990 | /// An instance of the LookupResult class captures the results of a |
| 991 | /// single name lookup, which can return no result (nothing found), |
| 992 | /// a single declaration, a set of overloaded functions, or an |
| 993 | /// ambiguity. Use the getKind() method to determine which of these |
| 994 | /// results occurred for a given lookup. |
| 995 | /// |
| 996 | /// Any non-ambiguous lookup can be converted into a single |
Douglas Gregor | 47b9a1c | 2009-02-04 17:27:36 +0000 | [diff] [blame] | 997 | /// (possibly NULL) @c NamedDecl* via a conversion function or the |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 998 | /// getAsDecl() method. This conversion permits the common-case |
| 999 | /// usage in C and Objective-C where name lookup will always return |
| 1000 | /// a single declaration. |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 1001 | struct LookupResult { |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1002 | /// The kind of entity that is actually stored within the |
| 1003 | /// LookupResult object. |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 1004 | enum { |
Douglas Gregor | 47b9a1c | 2009-02-04 17:27:36 +0000 | [diff] [blame] | 1005 | /// First is a single declaration (a NamedDecl*), which may be NULL. |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1006 | SingleDecl, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1007 | |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1008 | /// First is a single declaration (an OverloadedFunctionDecl*). |
| 1009 | OverloadedDeclSingleDecl, |
| 1010 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1011 | /// [First, Last) is an iterator range represented as opaque |
| 1012 | /// pointers used to reconstruct IdentifierResolver::iterators. |
| 1013 | OverloadedDeclFromIdResolver, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1014 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1015 | /// [First, Last) is an iterator range represented as opaque |
| 1016 | /// pointers used to reconstruct DeclContext::lookup_iterators. |
| 1017 | OverloadedDeclFromDeclContext, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1018 | |
| 1019 | /// First is a pointer to a BasePaths structure, which is owned |
| 1020 | /// by the LookupResult. Last is non-zero to indicate that the |
| 1021 | /// ambiguity is caused by two names found in base class |
| 1022 | /// subobjects of different types. |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1023 | AmbiguousLookupStoresBasePaths, |
| 1024 | |
| 1025 | /// [First, Last) is an iterator range represented as opaque |
| 1026 | /// pointers used to reconstruct new'ed Decl*[] array containing |
| 1027 | /// found ambiguous decls. LookupResult is owner of this array. |
| 1028 | AmbiguousLookupStoresDecls |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1029 | } StoredKind; |
| 1030 | |
| 1031 | /// The first lookup result, whose contents depend on the kind of |
Douglas Gregor | 47b9a1c | 2009-02-04 17:27:36 +0000 | [diff] [blame] | 1032 | /// lookup result. This may be a NamedDecl* (if StoredKind == |
| 1033 | /// SingleDecl), OverloadedFunctionDecl* (if StoredKind == |
| 1034 | /// OverloadedDeclSingleDecl), the opaque pointer from an |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1035 | /// IdentifierResolver::iterator (if StoredKind == |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1036 | /// OverloadedDeclFromIdResolver), a DeclContext::lookup_iterator |
| 1037 | /// (if StoredKind == OverloadedDeclFromDeclContext), or a |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1038 | /// BasePaths pointer (if StoredKind == AmbiguousLookupStoresBasePaths). |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1039 | mutable uintptr_t First; |
| 1040 | |
| 1041 | /// The last lookup result, whose contents depend on the kind of |
| 1042 | /// lookup result. This may be unused (if StoredKind == |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1043 | /// SingleDecl), it may have the same type as First (for |
| 1044 | /// overloaded function declarations), or is may be used as a |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1045 | /// Boolean value (if StoredKind == AmbiguousLookupStoresBasePaths). |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1046 | mutable uintptr_t Last; |
| 1047 | |
| 1048 | /// Context - The context in which we will build any |
| 1049 | /// OverloadedFunctionDecl nodes needed by the conversion to |
| 1050 | /// Decl*. |
| 1051 | ASTContext *Context; |
| 1052 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1053 | /// @brief The kind of entity found by name lookup. |
| 1054 | enum LookupKind { |
| 1055 | /// @brief No entity found met the criteria. |
| 1056 | NotFound = 0, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1057 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1058 | /// @brief Name lookup found a single declaration that met the |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1059 | /// criteria. getAsDecl will return this declaration. |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1060 | Found, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1061 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1062 | /// @brief Name lookup found a set of overloaded functions that |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1063 | /// met the criteria. getAsDecl will turn this set of overloaded |
| 1064 | /// functions into an OverloadedFunctionDecl. |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1065 | FoundOverloaded, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1066 | |
| 1067 | /// Name lookup results in an ambiguity because multiple |
| 1068 | /// entities that meet the lookup criteria were found in |
| 1069 | /// subobjects of different types. For example: |
| 1070 | /// @code |
| 1071 | /// struct A { void f(int); } |
| 1072 | /// struct B { void f(double); } |
| 1073 | /// struct C : A, B { }; |
| 1074 | /// void test(C c) { |
| 1075 | /// c.f(0); // error: A::f and B::f come from subobjects of different |
| 1076 | /// // types. overload resolution is not performed. |
| 1077 | /// } |
| 1078 | /// @endcode |
| 1079 | AmbiguousBaseSubobjectTypes, |
| 1080 | |
| 1081 | /// Name lookup results in an ambiguity because multiple |
| 1082 | /// nonstatic entities that meet the lookup criteria were found |
| 1083 | /// in different subobjects of the same type. For example: |
| 1084 | /// @code |
| 1085 | /// struct A { int x; }; |
| 1086 | /// struct B : A { }; |
| 1087 | /// struct C : A { }; |
| 1088 | /// struct D : B, C { }; |
| 1089 | /// int test(D d) { |
| 1090 | /// return d.x; // error: 'x' is found in two A subobjects (of B and C) |
| 1091 | /// } |
| 1092 | /// @endcode |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1093 | AmbiguousBaseSubobjects, |
| 1094 | |
| 1095 | /// Name lookup results in an ambiguity because multiple definitions |
| 1096 | /// of entity that meet the lookup criteria were found in different |
| 1097 | /// declaration contexts. |
| 1098 | /// @code |
| 1099 | /// namespace A { |
| 1100 | /// int i; |
| 1101 | /// namespace B { int i; } |
| 1102 | /// int test() { |
| 1103 | /// using namespace B; |
| 1104 | /// return i; // error 'i' is found in namespace A and A::B |
| 1105 | /// } |
| 1106 | /// } |
| 1107 | /// @endcode |
| 1108 | AmbiguousReference |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1109 | }; |
| 1110 | |
Douglas Gregor | 47b9a1c | 2009-02-04 17:27:36 +0000 | [diff] [blame] | 1111 | static LookupResult CreateLookupResult(ASTContext &Context, NamedDecl *D); |
Douglas Gregor | 4bb64e7 | 2009-01-15 02:19:31 +0000 | [diff] [blame] | 1112 | |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 1113 | static LookupResult CreateLookupResult(ASTContext &Context, |
| 1114 | IdentifierResolver::iterator F, |
| 1115 | IdentifierResolver::iterator L); |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1116 | |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 1117 | static LookupResult CreateLookupResult(ASTContext &Context, |
| 1118 | DeclContext::lookup_iterator F, |
| 1119 | DeclContext::lookup_iterator L); |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1120 | |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 1121 | static LookupResult CreateLookupResult(ASTContext &Context, BasePaths *Paths, |
| 1122 | bool DifferentSubobjectTypes) { |
| 1123 | LookupResult Result; |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1124 | Result.StoredKind = AmbiguousLookupStoresBasePaths; |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 1125 | Result.First = reinterpret_cast<uintptr_t>(Paths); |
| 1126 | Result.Last = DifferentSubobjectTypes? 1 : 0; |
| 1127 | Result.Context = &Context; |
| 1128 | return Result; |
| 1129 | } |
Douglas Gregor | 4bb64e7 | 2009-01-15 02:19:31 +0000 | [diff] [blame] | 1130 | |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1131 | template <typename Iterator> |
| 1132 | static LookupResult CreateLookupResult(ASTContext &Context, |
| 1133 | Iterator B, std::size_t Len) { |
Douglas Gregor | 47b9a1c | 2009-02-04 17:27:36 +0000 | [diff] [blame] | 1134 | NamedDecl ** Array = new NamedDecl*[Len]; |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1135 | for (std::size_t Idx = 0; Idx < Len; ++Idx, ++B) |
| 1136 | Array[Idx] = *B; |
| 1137 | LookupResult Result; |
| 1138 | Result.StoredKind = AmbiguousLookupStoresDecls; |
| 1139 | Result.First = reinterpret_cast<uintptr_t>(Array); |
| 1140 | Result.Last = reinterpret_cast<uintptr_t>(Array + Len); |
| 1141 | Result.Context = &Context; |
| 1142 | return Result; |
| 1143 | } |
| 1144 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1145 | LookupKind getKind() const; |
| 1146 | |
| 1147 | /// @brief Determine whether name look found something. |
| 1148 | operator bool() const { return getKind() != NotFound; } |
| 1149 | |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1150 | /// @brief Determines whether the lookup resulted in an ambiguity. |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1151 | bool isAmbiguous() const { |
| 1152 | return StoredKind == AmbiguousLookupStoresBasePaths || |
| 1153 | StoredKind == AmbiguousLookupStoresDecls; |
| 1154 | } |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1155 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1156 | /// @brief Allows conversion of a lookup result into a |
| 1157 | /// declaration, with the same behavior as getAsDecl. |
Douglas Gregor | 47b9a1c | 2009-02-04 17:27:36 +0000 | [diff] [blame] | 1158 | operator NamedDecl*() const { return getAsDecl(); } |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1159 | |
Douglas Gregor | 47b9a1c | 2009-02-04 17:27:36 +0000 | [diff] [blame] | 1160 | NamedDecl* getAsDecl() const; |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1161 | |
| 1162 | BasePaths *getBasePaths() const; |
Douglas Gregor | d863517 | 2009-02-02 21:35:47 +0000 | [diff] [blame] | 1163 | |
| 1164 | /// \brief Iterate over the results of name lookup. |
| 1165 | /// |
| 1166 | /// The @c iterator class provides iteration over the results of a |
| 1167 | /// non-ambiguous name lookup. |
| 1168 | class iterator { |
| 1169 | /// The LookupResult structure we're iterating through. |
| 1170 | LookupResult *Result; |
| 1171 | |
| 1172 | /// The current position of this iterator within the sequence of |
| 1173 | /// results. This value will have the same representation as the |
| 1174 | /// @c First field in the LookupResult structure. |
| 1175 | mutable uintptr_t Current; |
| 1176 | |
| 1177 | public: |
Douglas Gregor | 47b9a1c | 2009-02-04 17:27:36 +0000 | [diff] [blame] | 1178 | typedef NamedDecl * value_type; |
| 1179 | typedef NamedDecl * reference; |
| 1180 | typedef NamedDecl * pointer; |
Douglas Gregor | d863517 | 2009-02-02 21:35:47 +0000 | [diff] [blame] | 1181 | typedef std::ptrdiff_t difference_type; |
| 1182 | typedef std::forward_iterator_tag iterator_category; |
| 1183 | |
| 1184 | iterator() : Result(0), Current(0) { } |
| 1185 | |
| 1186 | iterator(LookupResult *Res, uintptr_t Cur) : Result(Res), Current(Cur) { } |
| 1187 | |
| 1188 | reference operator*() const; |
| 1189 | |
| 1190 | pointer operator->() const { return **this; } |
| 1191 | |
| 1192 | iterator &operator++(); |
| 1193 | |
| 1194 | iterator operator++(int) { |
| 1195 | iterator tmp(*this); |
| 1196 | ++(*this); |
| 1197 | return tmp; |
| 1198 | } |
| 1199 | |
| 1200 | friend inline bool operator==(iterator const& x, iterator const& y) { |
| 1201 | return x.Current == y.Current; |
| 1202 | } |
| 1203 | |
| 1204 | friend inline bool operator!=(iterator const& x, iterator const& y) { |
| 1205 | return x.Current != y.Current; |
| 1206 | } |
| 1207 | }; |
| 1208 | friend class iterator; |
| 1209 | |
| 1210 | iterator begin(); |
| 1211 | iterator end(); |
Douglas Gregor | 31a19b6 | 2009-04-01 21:51:26 +0000 | [diff] [blame] | 1212 | |
| 1213 | /// \brief Free the memory associated with this lookup. |
| 1214 | void Destroy(); |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1215 | }; |
| 1216 | |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1217 | private: |
| 1218 | typedef llvm::SmallVector<LookupResult, 3> LookupResultsVecTy; |
| 1219 | |
| 1220 | std::pair<bool, LookupResult> CppLookupName(Scope *S, DeclarationName Name, |
| 1221 | LookupNameKind NameKind, |
| 1222 | bool RedeclarationOnly); |
Fariborz Jahanian | ef79bc9 | 2009-04-07 18:28:06 +0000 | [diff] [blame] | 1223 | ObjCMethodDecl *FindMethodInNestedImplementations( |
| 1224 | const ObjCInterfaceDecl *IFace, |
| 1225 | const Selector &Sel); |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1226 | |
| 1227 | public: |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 1228 | /// Determines whether D is a suitable lookup result according to the |
| 1229 | /// lookup criteria. |
Douglas Gregor | d6f7e9d | 2009-02-24 20:03:32 +0000 | [diff] [blame] | 1230 | static bool isAcceptableLookupResult(NamedDecl *D, LookupNameKind NameKind, |
Douglas Gregor | 7dda67d | 2009-02-05 19:25:20 +0000 | [diff] [blame] | 1231 | unsigned IDNS) { |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 1232 | switch (NameKind) { |
| 1233 | case Sema::LookupOrdinaryName: |
| 1234 | case Sema::LookupTagName: |
| 1235 | case Sema::LookupMemberName: |
Douglas Gregor | d6f7e9d | 2009-02-24 20:03:32 +0000 | [diff] [blame] | 1236 | case Sema::LookupRedeclarationWithLinkage: // FIXME: check linkage, scoping |
Douglas Gregor | 8fc463a | 2009-04-24 00:11:27 +0000 | [diff] [blame] | 1237 | case Sema::LookupObjCProtocolName: |
| 1238 | case Sema::LookupObjCImplementationName: |
| 1239 | case Sema::LookupObjCCategoryImplName: |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 1240 | return D->isInIdentifierNamespace(IDNS); |
| 1241 | |
Douglas Gregor | f680a0f | 2009-02-04 16:44:47 +0000 | [diff] [blame] | 1242 | case Sema::LookupOperatorName: |
| 1243 | return D->isInIdentifierNamespace(IDNS) && |
| 1244 | !D->getDeclContext()->isRecord(); |
| 1245 | |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 1246 | case Sema::LookupNestedNameSpecifierName: |
| 1247 | return isa<TypedefDecl>(D) || D->isInIdentifierNamespace(Decl::IDNS_Tag); |
| 1248 | |
| 1249 | case Sema::LookupNamespaceName: |
Anders Carlsson | 81c85c4 | 2009-03-28 23:53:49 +0000 | [diff] [blame] | 1250 | return isa<NamespaceDecl>(D) || isa<NamespaceAliasDecl>(D); |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 1251 | } |
| 1252 | |
| 1253 | assert(false && |
Douglas Gregor | 7dda67d | 2009-02-05 19:25:20 +0000 | [diff] [blame] | 1254 | "isAcceptableLookupResult always returns before this point"); |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 1255 | return false; |
| 1256 | } |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1257 | |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 1258 | LookupResult LookupName(Scope *S, DeclarationName Name, |
| 1259 | LookupNameKind NameKind, |
Douglas Gregor | 3e41d60 | 2009-02-13 23:20:09 +0000 | [diff] [blame] | 1260 | bool RedeclarationOnly = false, |
Eli Friedman | 6eb32f4 | 2009-06-06 02:08:44 +0000 | [diff] [blame] | 1261 | bool AllowBuiltinCreation = false, |
Douglas Gregor | 3e41d60 | 2009-02-13 23:20:09 +0000 | [diff] [blame] | 1262 | SourceLocation Loc = SourceLocation()); |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 1263 | LookupResult LookupQualifiedName(DeclContext *LookupCtx, DeclarationName Name, |
| 1264 | LookupNameKind NameKind, |
| 1265 | bool RedeclarationOnly = false); |
John McCall | 67d1a67 | 2009-08-06 02:15:43 +0000 | [diff] [blame] | 1266 | Decl *LookupQualifiedNameWithType(DeclContext *LookupCtx, |
| 1267 | DeclarationName Name, |
| 1268 | QualType T); |
Douglas Gregor | 4c921ae | 2009-01-30 01:04:22 +0000 | [diff] [blame] | 1269 | LookupResult LookupParsedName(Scope *S, const CXXScopeSpec *SS, |
| 1270 | DeclarationName Name, |
| 1271 | LookupNameKind NameKind, |
Douglas Gregor | 3e41d60 | 2009-02-13 23:20:09 +0000 | [diff] [blame] | 1272 | bool RedeclarationOnly = false, |
Eli Friedman | 6eb32f4 | 2009-06-06 02:08:44 +0000 | [diff] [blame] | 1273 | bool AllowBuiltinCreation = false, |
Douglas Gregor | 495c35d | 2009-08-25 22:51:20 +0000 | [diff] [blame] | 1274 | SourceLocation Loc = SourceLocation(), |
| 1275 | bool EnteringContext = false); |
Douglas Gregor | 3fd95ce | 2009-03-13 00:33:25 +0000 | [diff] [blame] | 1276 | |
Douglas Gregor | 6e378de | 2009-04-23 23:18:26 +0000 | [diff] [blame] | 1277 | ObjCProtocolDecl *LookupProtocol(IdentifierInfo *II); |
Douglas Gregor | 8fc463a | 2009-04-24 00:11:27 +0000 | [diff] [blame] | 1278 | ObjCCategoryImplDecl *LookupObjCCategoryImpl(IdentifierInfo *II); |
Douglas Gregor | 6e378de | 2009-04-23 23:18:26 +0000 | [diff] [blame] | 1279 | |
Douglas Gregor | 3fd95ce | 2009-03-13 00:33:25 +0000 | [diff] [blame] | 1280 | void LookupOverloadedOperatorName(OverloadedOperatorKind Op, Scope *S, |
| 1281 | QualType T1, QualType T2, |
| 1282 | FunctionSet &Functions); |
| 1283 | |
| 1284 | void ArgumentDependentLookup(DeclarationName Name, |
| 1285 | Expr **Args, unsigned NumArgs, |
| 1286 | FunctionSet &Functions); |
| 1287 | |
Douglas Gregor | fa04764 | 2009-02-04 00:32:51 +0000 | [diff] [blame] | 1288 | void FindAssociatedClassesAndNamespaces(Expr **Args, unsigned NumArgs, |
| 1289 | AssociatedNamespaceSet &AssociatedNamespaces, |
John McCall | 6ff0785 | 2009-08-07 22:18:02 +0000 | [diff] [blame] | 1290 | AssociatedClassSet &AssociatedClasses); |
Douglas Gregor | fa04764 | 2009-02-04 00:32:51 +0000 | [diff] [blame] | 1291 | |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1292 | bool DiagnoseAmbiguousLookup(LookupResult &Result, DeclarationName Name, |
| 1293 | SourceLocation NameLoc, |
| 1294 | SourceRange LookupRange = SourceRange()); |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1295 | //@} |
| 1296 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1297 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 1298 | NamedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
Douglas Gregor | 3e41d60 | 2009-02-13 23:20:09 +0000 | [diff] [blame] | 1299 | Scope *S, bool ForRedeclaration, |
| 1300 | SourceLocation Loc); |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 1301 | NamedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
| 1302 | Scope *S); |
Douglas Gregor | 3c385e5 | 2009-02-14 18:57:46 +0000 | [diff] [blame] | 1303 | void AddKnownFunctionAttributes(FunctionDecl *FD); |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 1304 | |
| 1305 | // More parsing and symbol table subroutines. |
| 1306 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1307 | // Decl attributes - this routine is the top level dispatcher. |
Douglas Gregor | 9cdda0c | 2009-06-17 21:51:59 +0000 | [diff] [blame] | 1308 | void ProcessDeclAttributes(Scope *S, Decl *D, const Declarator &PD); |
| 1309 | void ProcessDeclAttributeList(Scope *S, Decl *D, const AttributeList *AttrList); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 1310 | |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 1311 | void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| 1312 | bool &IncompleteImpl); |
Fariborz Jahanian | 8daab97 | 2008-12-05 18:18:52 +0000 | [diff] [blame] | 1313 | void WarnConflictingTypedMethods(ObjCMethodDecl *ImpMethod, |
| 1314 | ObjCMethodDecl *IntfMethod); |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 1315 | |
| 1316 | NamespaceDecl *GetStdNamespace(); |
Fariborz Jahanian | d1fa644 | 2009-01-12 19:55:42 +0000 | [diff] [blame] | 1317 | |
| 1318 | bool isPropertyReadonly(ObjCPropertyDecl *PropertyDecl, |
Steve Naroff | 22dc0b0 | 2009-02-26 19:11:32 +0000 | [diff] [blame] | 1319 | ObjCInterfaceDecl *IDecl); |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 1320 | |
Chris Lattner | 823c44e | 2009-01-06 07:27:21 +0000 | [diff] [blame] | 1321 | /// CheckProtocolMethodDefs - This routine checks unimplemented |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 1322 | /// methods declared in protocol, and those referenced by it. |
| 1323 | /// \param IDecl - Used for checking for methods which may have been |
| 1324 | /// inherited. |
Steve Naroff | efe7f36 | 2008-02-08 22:06:17 +0000 | [diff] [blame] | 1325 | void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| 1326 | ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 1327 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 1328 | const llvm::DenseSet<Selector> &InsMap, |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 1329 | const llvm::DenseSet<Selector> &ClsMap, |
| 1330 | ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 1331 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 1332 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 1333 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1334 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 1335 | ObjCIvarDecl **Fields, unsigned nIvars, |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 1336 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 1337 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 1338 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
Chris Lattner | cddc888 | 2009-03-01 00:56:52 +0000 | [diff] [blame] | 1339 | /// remains unimplemented in the class or category @implementation. |
| 1340 | void ImplMethodsVsClassMethods(ObjCImplDecl* IMPDecl, |
| 1341 | ObjCContainerDecl* IDecl, |
| 1342 | bool IncompleteImpl = false); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 1343 | |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 1344 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 1345 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1346 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
Steve Naroff | fe6b0dc | 2008-10-21 10:37:50 +0000 | [diff] [blame] | 1347 | const ObjCMethodDecl *PrevMethod, |
| 1348 | bool matchBasedOnSizeAndAlignment = false); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 1349 | |
Fariborz Jahanian | b33f3ad | 2009-05-01 20:07:12 +0000 | [diff] [blame] | 1350 | /// MatchAllMethodDeclarations - Check methods declaraed in interface or |
| 1351 | /// or protocol against those declared in their implementations. |
| 1352 | void MatchAllMethodDeclarations(const llvm::DenseSet<Selector> &InsMap, |
| 1353 | const llvm::DenseSet<Selector> &ClsMap, |
| 1354 | llvm::DenseSet<Selector> &InsMapSeen, |
| 1355 | llvm::DenseSet<Selector> &ClsMapSeen, |
| 1356 | ObjCImplDecl* IMPDecl, |
| 1357 | ObjCContainerDecl* IDecl, |
| 1358 | bool &IncompleteImpl, |
| 1359 | bool ImmediateClass); |
| 1360 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 1361 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 1362 | /// unit are added to a global pool. This allows us to efficiently associate |
| 1363 | /// a selector with a method declaraation for purposes of typechecking |
| 1364 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1365 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 1366 | |
Steve Naroff | 037cda5 | 2008-09-30 14:38:43 +0000 | [diff] [blame] | 1367 | /// LookupInstanceMethodInGlobalPool - Returns the method and warns if |
| 1368 | /// there are multiple signatures. |
Fariborz Jahanian | 835ed7f | 2009-08-22 21:13:55 +0000 | [diff] [blame] | 1369 | ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R, |
| 1370 | bool warn=true); |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 1371 | |
| 1372 | /// LookupFactoryMethodInGlobalPool - Returns the method and warns if |
| 1373 | /// there are multiple signatures. |
| 1374 | ObjCMethodDecl *LookupFactoryMethodInGlobalPool(Selector Sel, SourceRange R); |
Steve Naroff | 037cda5 | 2008-09-30 14:38:43 +0000 | [diff] [blame] | 1375 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 1376 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1377 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1378 | //===--------------------------------------------------------------------===// |
| 1379 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 1380 | public: |
Anders Carlsson | 6b1d283 | 2009-05-17 21:11:30 +0000 | [diff] [blame] | 1381 | virtual OwningStmtResult ActOnExprStmt(FullExprArg Expr); |
Sebastian Redl | a60528c | 2008-12-21 12:04:03 +0000 | [diff] [blame] | 1382 | |
| 1383 | virtual OwningStmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 1384 | virtual OwningStmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
| 1385 | MultiStmtArg Elts, |
| 1386 | bool isStmtExpr); |
Chris Lattner | 682bf92 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 1387 | virtual OwningStmtResult ActOnDeclStmt(DeclGroupPtrTy Decl, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 1388 | SourceLocation StartLoc, |
Sebastian Redl | a60528c | 2008-12-21 12:04:03 +0000 | [diff] [blame] | 1389 | SourceLocation EndLoc); |
Sebastian Redl | 117054a | 2008-12-28 16:13:43 +0000 | [diff] [blame] | 1390 | virtual OwningStmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprArg LHSVal, |
| 1391 | SourceLocation DotDotDotLoc, ExprArg RHSVal, |
Chris Lattner | 24e1e70 | 2009-03-04 04:23:07 +0000 | [diff] [blame] | 1392 | SourceLocation ColonLoc); |
| 1393 | virtual void ActOnCaseStmtBody(StmtTy *CaseStmt, StmtArg SubStmt); |
| 1394 | |
Sebastian Redl | 117054a | 2008-12-28 16:13:43 +0000 | [diff] [blame] | 1395 | virtual OwningStmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
| 1396 | SourceLocation ColonLoc, |
| 1397 | StmtArg SubStmt, Scope *CurScope); |
Sebastian Redl | de30747 | 2009-01-11 00:38:46 +0000 | [diff] [blame] | 1398 | virtual OwningStmtResult ActOnLabelStmt(SourceLocation IdentLoc, |
| 1399 | IdentifierInfo *II, |
| 1400 | SourceLocation ColonLoc, |
| 1401 | StmtArg SubStmt); |
Anders Carlsson | a99fad8 | 2009-05-17 18:26:53 +0000 | [diff] [blame] | 1402 | virtual OwningStmtResult ActOnIfStmt(SourceLocation IfLoc, |
| 1403 | FullExprArg CondVal, StmtArg ThenVal, |
| 1404 | SourceLocation ElseLoc, StmtArg ElseVal); |
Sebastian Redl | de30747 | 2009-01-11 00:38:46 +0000 | [diff] [blame] | 1405 | virtual OwningStmtResult ActOnStartOfSwitchStmt(ExprArg Cond); |
| 1406 | virtual OwningStmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 1407 | StmtArg Switch, StmtArg Body); |
Anders Carlsson | 7f537c1 | 2009-05-17 21:22:26 +0000 | [diff] [blame] | 1408 | virtual OwningStmtResult ActOnWhileStmt(SourceLocation WhileLoc, |
| 1409 | FullExprArg Cond, StmtArg Body); |
Sebastian Redl | f05b152 | 2009-01-16 23:28:06 +0000 | [diff] [blame] | 1410 | virtual OwningStmtResult ActOnDoStmt(SourceLocation DoLoc, StmtArg Body, |
Chris Lattner | 9891359 | 2009-06-12 23:04:47 +0000 | [diff] [blame] | 1411 | SourceLocation WhileLoc, |
| 1412 | SourceLocation CondLParen, ExprArg Cond, |
| 1413 | SourceLocation CondRParen); |
Sebastian Redl | f05b152 | 2009-01-16 23:28:06 +0000 | [diff] [blame] | 1414 | |
| 1415 | virtual OwningStmtResult ActOnForStmt(SourceLocation ForLoc, |
| 1416 | SourceLocation LParenLoc, |
| 1417 | StmtArg First, ExprArg Second, |
| 1418 | ExprArg Third, SourceLocation RParenLoc, |
| 1419 | StmtArg Body); |
| 1420 | virtual OwningStmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
| 1421 | SourceLocation LParenLoc, |
| 1422 | StmtArg First, ExprArg Second, |
| 1423 | SourceLocation RParenLoc, StmtArg Body); |
Sebastian Redl | 4cffe2f | 2009-01-18 13:19:59 +0000 | [diff] [blame] | 1424 | |
| 1425 | virtual OwningStmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
| 1426 | SourceLocation LabelLoc, |
| 1427 | IdentifierInfo *LabelII); |
| 1428 | virtual OwningStmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
| 1429 | SourceLocation StarLoc, |
| 1430 | ExprArg DestExp); |
| 1431 | virtual OwningStmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
| 1432 | Scope *CurScope); |
| 1433 | virtual OwningStmtResult ActOnBreakStmt(SourceLocation GotoLoc, |
| 1434 | Scope *CurScope); |
| 1435 | |
| 1436 | virtual OwningStmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Anders Carlsson | f53b443 | 2009-08-18 16:11:00 +0000 | [diff] [blame] | 1437 | ExprArg RetValExp); |
Sebastian Redl | 4cffe2f | 2009-01-18 13:19:59 +0000 | [diff] [blame] | 1438 | OwningStmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc, |
| 1439 | Expr *RetValExp); |
| 1440 | |
Sebastian Redl | 3037ed0 | 2009-01-18 16:53:17 +0000 | [diff] [blame] | 1441 | virtual OwningStmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
| 1442 | bool IsSimple, |
| 1443 | bool IsVolatile, |
| 1444 | unsigned NumOutputs, |
| 1445 | unsigned NumInputs, |
| 1446 | std::string *Names, |
| 1447 | MultiExprArg Constraints, |
| 1448 | MultiExprArg Exprs, |
| 1449 | ExprArg AsmString, |
| 1450 | MultiExprArg Clobbers, |
| 1451 | SourceLocation RParenLoc); |
Sebastian Redl | 431e90e | 2009-01-18 17:43:11 +0000 | [diff] [blame] | 1452 | |
| 1453 | virtual OwningStmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
| 1454 | SourceLocation RParen, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 1455 | DeclPtrTy Parm, StmtArg Body, |
Sebastian Redl | 431e90e | 2009-01-18 17:43:11 +0000 | [diff] [blame] | 1456 | StmtArg CatchList); |
| 1457 | |
| 1458 | virtual OwningStmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
| 1459 | StmtArg Body); |
| 1460 | |
| 1461 | virtual OwningStmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
| 1462 | StmtArg Try, |
| 1463 | StmtArg Catch, StmtArg Finally); |
| 1464 | |
| 1465 | virtual OwningStmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
Steve Naroff | e21dd6f | 2009-02-11 20:05:44 +0000 | [diff] [blame] | 1466 | ExprArg Throw, |
| 1467 | Scope *CurScope); |
Sebastian Redl | 431e90e | 2009-01-18 17:43:11 +0000 | [diff] [blame] | 1468 | virtual OwningStmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| 1469 | ExprArg SynchExpr, |
| 1470 | StmtArg SynchBody); |
Sebastian Redl | a0fd865 | 2008-12-21 16:41:36 +0000 | [diff] [blame] | 1471 | |
Douglas Gregor | d308e62 | 2009-05-18 20:51:54 +0000 | [diff] [blame] | 1472 | VarDecl *BuildExceptionDeclaration(Scope *S, QualType ExDeclType, |
Argyrios Kyrtzidis | a1d5662 | 2009-08-19 01:27:57 +0000 | [diff] [blame] | 1473 | DeclaratorInfo *DInfo, |
Douglas Gregor | d308e62 | 2009-05-18 20:51:54 +0000 | [diff] [blame] | 1474 | IdentifierInfo *Name, |
| 1475 | SourceLocation Loc, |
| 1476 | SourceRange Range); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 1477 | virtual DeclPtrTy ActOnExceptionDeclarator(Scope *S, Declarator &D); |
Douglas Gregor | d308e62 | 2009-05-18 20:51:54 +0000 | [diff] [blame] | 1478 | |
Sebastian Redl | 4b07b29 | 2008-12-22 19:15:10 +0000 | [diff] [blame] | 1479 | virtual OwningStmtResult ActOnCXXCatchBlock(SourceLocation CatchLoc, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 1480 | DeclPtrTy ExDecl, |
Sebastian Redl | 4b07b29 | 2008-12-22 19:15:10 +0000 | [diff] [blame] | 1481 | StmtArg HandlerBlock); |
Sebastian Redl | 8351da0 | 2008-12-22 21:35:02 +0000 | [diff] [blame] | 1482 | virtual OwningStmtResult ActOnCXXTryBlock(SourceLocation TryLoc, |
| 1483 | StmtArg TryBlock, |
| 1484 | MultiStmtArg Handlers); |
Sebastian Redl | 13e8854 | 2009-04-27 21:33:24 +0000 | [diff] [blame] | 1485 | void DiagnoseReturnInConstructorExceptionHandler(CXXTryStmt *TryBlock); |
Sebastian Redl | a0fd865 | 2008-12-21 16:41:36 +0000 | [diff] [blame] | 1486 | |
Anders Carlsson | 636463e | 2009-07-30 22:17:18 +0000 | [diff] [blame] | 1487 | /// DiagnoseUnusedExprResult - If the statement passed in is an expression |
| 1488 | /// whose result is unused, warn. |
| 1489 | void DiagnoseUnusedExprResult(const Stmt *S); |
| 1490 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1491 | //===--------------------------------------------------------------------===// |
| 1492 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 1493 | |
Douglas Gregor | 48f3bb9 | 2009-02-18 21:56:37 +0000 | [diff] [blame] | 1494 | bool DiagnoseUseOfDecl(NamedDecl *D, SourceLocation Loc); |
Fariborz Jahanian | c001e89 | 2009-05-08 20:20:55 +0000 | [diff] [blame] | 1495 | bool DiagnosePropertyAccessorMismatch(ObjCPropertyDecl *PD, |
| 1496 | ObjCMethodDecl *Getter, |
| 1497 | SourceLocation Loc); |
Fariborz Jahanian | 5b53005 | 2009-05-13 18:09:35 +0000 | [diff] [blame] | 1498 | void DiagnoseSentinelCalls(NamedDecl *D, SourceLocation Loc, |
| 1499 | Expr **Args, unsigned NumArgs); |
Chris Lattner | 76a642f | 2009-02-15 22:43:40 +0000 | [diff] [blame] | 1500 | |
Douglas Gregor | ac7610d | 2009-06-22 20:57:11 +0000 | [diff] [blame] | 1501 | virtual ExpressionEvaluationContext |
| 1502 | PushExpressionEvaluationContext(ExpressionEvaluationContext NewContext); |
| 1503 | |
| 1504 | virtual void |
| 1505 | PopExpressionEvaluationContext(ExpressionEvaluationContext OldContext, |
| 1506 | ExpressionEvaluationContext NewContext); |
| 1507 | |
Douglas Gregor | e0762c9 | 2009-06-19 23:52:42 +0000 | [diff] [blame] | 1508 | void MarkDeclarationReferenced(SourceLocation Loc, Decl *D); |
| 1509 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1510 | // Primary Expressions. |
Douglas Gregor | 4b2d3f7 | 2009-02-26 21:00:50 +0000 | [diff] [blame] | 1511 | virtual SourceRange getExprRange(ExprTy *E) const; |
| 1512 | |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 1513 | virtual OwningExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
| 1514 | IdentifierInfo &II, |
| 1515 | bool HasTrailingLParen, |
Sebastian Redl | ebc07d5 | 2009-02-03 20:19:35 +0000 | [diff] [blame] | 1516 | const CXXScopeSpec *SS = 0, |
| 1517 | bool isAddressOfOperand = false); |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 1518 | virtual OwningExprResult ActOnCXXOperatorFunctionIdExpr(Scope *S, |
Douglas Gregor | 487a75a | 2008-11-19 19:09:45 +0000 | [diff] [blame] | 1519 | SourceLocation OperatorLoc, |
| 1520 | OverloadedOperatorKind Op, |
| 1521 | bool HasTrailingLParen, |
Sebastian Redl | ebc07d5 | 2009-02-03 20:19:35 +0000 | [diff] [blame] | 1522 | const CXXScopeSpec &SS, |
| 1523 | bool isAddressOfOperand); |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 1524 | virtual OwningExprResult ActOnCXXConversionFunctionExpr(Scope *S, |
Douglas Gregor | 487a75a | 2008-11-19 19:09:45 +0000 | [diff] [blame] | 1525 | SourceLocation OperatorLoc, |
| 1526 | TypeTy *Ty, |
| 1527 | bool HasTrailingLParen, |
Sebastian Redl | ebc07d5 | 2009-02-03 20:19:35 +0000 | [diff] [blame] | 1528 | const CXXScopeSpec &SS, |
| 1529 | bool isAddressOfOperand); |
Anders Carlsson | e41590d | 2009-06-24 00:10:43 +0000 | [diff] [blame] | 1530 | OwningExprResult BuildDeclRefExpr(NamedDecl *D, QualType Ty, |
| 1531 | SourceLocation Loc, bool TypeDependent, |
| 1532 | bool ValueDependent, |
| 1533 | const CXXScopeSpec *SS = 0); |
Douglas Gregor | ffb4b6e | 2009-04-15 06:41:24 +0000 | [diff] [blame] | 1534 | VarDecl *BuildAnonymousStructUnionMemberPath(FieldDecl *Field, |
| 1535 | llvm::SmallVectorImpl<FieldDecl *> &Path); |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 1536 | OwningExprResult |
Douglas Gregor | bcbffc4 | 2009-01-07 00:43:41 +0000 | [diff] [blame] | 1537 | BuildAnonymousStructUnionMemberReference(SourceLocation Loc, |
| 1538 | FieldDecl *Field, |
| 1539 | Expr *BaseObjectExpr = 0, |
| 1540 | SourceLocation OpLoc = SourceLocation()); |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 1541 | OwningExprResult ActOnDeclarationNameExpr(Scope *S, SourceLocation Loc, |
| 1542 | DeclarationName Name, |
| 1543 | bool HasTrailingLParen, |
| 1544 | const CXXScopeSpec *SS, |
Sebastian Redl | ebc07d5 | 2009-02-03 20:19:35 +0000 | [diff] [blame] | 1545 | bool isAddressOfOperand = false); |
Douglas Gregor | 751f9a4 | 2009-06-30 15:47:41 +0000 | [diff] [blame] | 1546 | OwningExprResult BuildDeclarationNameExpr(SourceLocation Loc, NamedDecl *D, |
| 1547 | bool HasTrailingLParen, |
| 1548 | const CXXScopeSpec *SS, |
| 1549 | bool isAddressOfOperand); |
| 1550 | |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 1551 | virtual OwningExprResult ActOnPredefinedExpr(SourceLocation Loc, |
| 1552 | tok::TokenKind Kind); |
| 1553 | virtual OwningExprResult ActOnNumericConstant(const Token &); |
| 1554 | virtual OwningExprResult ActOnCharacterConstant(const Token &); |
| 1555 | virtual OwningExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
| 1556 | ExprArg Val); |
Nate Begeman | 2ef13e5 | 2009-08-10 23:49:36 +0000 | [diff] [blame] | 1557 | virtual OwningExprResult ActOnParenListExpr(SourceLocation L, |
| 1558 | SourceLocation R, |
| 1559 | MultiExprArg Val); |
| 1560 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1561 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1562 | /// fragments (e.g. "foo" "bar" L"baz"). |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1563 | virtual OwningExprResult ActOnStringLiteral(const Token *Toks, |
| 1564 | unsigned NumToks); |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 1565 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1566 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Douglas Gregor | bc736fc | 2009-03-13 23:49:33 +0000 | [diff] [blame] | 1567 | OwningExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc, |
| 1568 | unsigned OpcIn, |
| 1569 | ExprArg InputArg); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1570 | virtual OwningExprResult ActOnUnaryOp(Scope *S, SourceLocation OpLoc, |
| 1571 | tok::TokenKind Op, ExprArg Input); |
Sebastian Redl | 0518999 | 2008-11-11 17:56:53 +0000 | [diff] [blame] | 1572 | |
Douglas Gregor | ba49817 | 2009-03-13 21:01:28 +0000 | [diff] [blame] | 1573 | OwningExprResult CreateSizeOfAlignOfExpr(QualType T, SourceLocation OpLoc, |
| 1574 | bool isSizeOf, SourceRange R); |
| 1575 | OwningExprResult CreateSizeOfAlignOfExpr(Expr *E, SourceLocation OpLoc, |
| 1576 | bool isSizeOf, SourceRange R); |
Douglas Gregor | bc736fc | 2009-03-13 23:49:33 +0000 | [diff] [blame] | 1577 | virtual OwningExprResult |
| 1578 | ActOnSizeOfAlignOfExpr(SourceLocation OpLoc, bool isSizeof, bool isType, |
| 1579 | void *TyOrEx, const SourceRange &ArgRange); |
Douglas Gregor | ba49817 | 2009-03-13 21:01:28 +0000 | [diff] [blame] | 1580 | |
Chris Lattner | 31e21e0 | 2009-01-24 20:17:12 +0000 | [diff] [blame] | 1581 | bool CheckAlignOfExpr(Expr *E, SourceLocation OpLoc, const SourceRange &R); |
Sebastian Redl | 0518999 | 2008-11-11 17:56:53 +0000 | [diff] [blame] | 1582 | bool CheckSizeOfAlignOfOperand(QualType type, SourceLocation OpLoc, |
| 1583 | const SourceRange &R, bool isSizeof); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1584 | |
| 1585 | virtual OwningExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc, |
| 1586 | tok::TokenKind Kind, |
| 1587 | ExprArg Input); |
| 1588 | |
| 1589 | virtual OwningExprResult ActOnArraySubscriptExpr(Scope *S, ExprArg Base, |
| 1590 | SourceLocation LLoc, |
| 1591 | ExprArg Idx, |
| 1592 | SourceLocation RLoc); |
Anders Carlsson | 8f28f99 | 2009-08-26 18:25:21 +0000 | [diff] [blame] | 1593 | |
| 1594 | OwningExprResult BuildMemberReferenceExpr(Scope *S, ExprArg Base, |
| 1595 | SourceLocation OpLoc, |
| 1596 | tok::TokenKind OpKind, |
| 1597 | SourceLocation MemberLoc, |
| 1598 | DeclarationName MemberName, |
| 1599 | DeclPtrTy ImplDecl, |
| 1600 | const CXXScopeSpec *SS = 0); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1601 | virtual OwningExprResult ActOnMemberReferenceExpr(Scope *S, ExprArg Base, |
| 1602 | SourceLocation OpLoc, |
| 1603 | tok::TokenKind OpKind, |
| 1604 | SourceLocation MemberLoc, |
Fariborz Jahanian | a6e3ac5 | 2009-03-04 22:30:12 +0000 | [diff] [blame] | 1605 | IdentifierInfo &Member, |
Douglas Gregor | fe85ced | 2009-08-06 03:17:00 +0000 | [diff] [blame] | 1606 | DeclPtrTy ImplDecl, |
| 1607 | const CXXScopeSpec *SS = 0); |
Fariborz Jahanian | 393612e | 2009-07-21 22:36:06 +0000 | [diff] [blame] | 1608 | virtual void ActOnDefaultCtorInitializers(DeclPtrTy CDtorDecl); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1609 | bool ConvertArgumentsForCall(CallExpr *Call, Expr *Fn, |
Douglas Gregor | 88a3514 | 2008-12-22 05:46:06 +0000 | [diff] [blame] | 1610 | FunctionDecl *FDecl, |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1611 | const FunctionProtoType *Proto, |
Douglas Gregor | 88a3514 | 2008-12-22 05:46:06 +0000 | [diff] [blame] | 1612 | Expr **Args, unsigned NumArgs, |
| 1613 | SourceLocation RParenLoc); |
Fariborz Jahanian | 87595e4 | 2009-07-23 23:32:59 +0000 | [diff] [blame] | 1614 | void BuildBaseOrMemberInitializers(ASTContext &C, |
| 1615 | CXXConstructorDecl *Constructor, |
| 1616 | CXXBaseOrMemberInitializer **Initializers, |
| 1617 | unsigned NumInitializers |
| 1618 | ); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1619 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1620 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1621 | /// This provides the location of the left/right parens and a list of comma |
| 1622 | /// locations. |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1623 | virtual OwningExprResult ActOnCallExpr(Scope *S, ExprArg Fn, |
| 1624 | SourceLocation LParenLoc, |
| 1625 | MultiExprArg Args, |
| 1626 | SourceLocation *CommaLocs, |
| 1627 | SourceLocation RParenLoc); |
| 1628 | |
Nate Begeman | 2ef13e5 | 2009-08-10 23:49:36 +0000 | [diff] [blame] | 1629 | virtual OwningExprResult ActOnCastExpr(Scope *S, SourceLocation LParenLoc, |
| 1630 | TypeTy *Ty, SourceLocation RParenLoc, |
| 1631 | ExprArg Op); |
| 1632 | |
| 1633 | OwningExprResult MaybeConvertParenListExprToParenExpr(Scope *S, ExprArg ME); |
| 1634 | OwningExprResult ActOnCastOfParenListExpr(Scope *S, SourceLocation LParenLoc, |
| 1635 | SourceLocation RParenLoc, ExprArg E, |
| 1636 | QualType Ty); |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 1637 | |
| 1638 | virtual OwningExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, |
| 1639 | TypeTy *Ty, |
| 1640 | SourceLocation RParenLoc, |
| 1641 | ExprArg Op); |
| 1642 | |
| 1643 | virtual OwningExprResult ActOnInitList(SourceLocation LParenLoc, |
| 1644 | MultiExprArg InitList, |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 1645 | SourceLocation RParenLoc); |
| 1646 | |
Douglas Gregor | 05c13a3 | 2009-01-22 00:58:24 +0000 | [diff] [blame] | 1647 | virtual OwningExprResult ActOnDesignatedInitializer(Designation &Desig, |
| 1648 | SourceLocation Loc, |
Douglas Gregor | eeae8f0 | 2009-03-28 00:41:23 +0000 | [diff] [blame] | 1649 | bool GNUSyntax, |
Douglas Gregor | 05c13a3 | 2009-01-22 00:58:24 +0000 | [diff] [blame] | 1650 | OwningExprResult Init); |
| 1651 | |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 1652 | virtual OwningExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc, |
| 1653 | tok::TokenKind Kind, |
| 1654 | ExprArg LHS, ExprArg RHS); |
| 1655 | OwningExprResult CreateBuiltinBinOp(SourceLocation TokLoc, |
| 1656 | unsigned Opc, Expr *lhs, Expr *rhs); |
Douglas Gregor | eaebc75 | 2008-11-06 23:29:22 +0000 | [diff] [blame] | 1657 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1658 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1659 | /// in the case of a the GNU conditional expr extension. |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 1660 | virtual OwningExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
| 1661 | SourceLocation ColonLoc, |
| 1662 | ExprArg Cond, ExprArg LHS, |
| 1663 | ExprArg RHS); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1664 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1665 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1666 | virtual OwningExprResult ActOnAddrLabel(SourceLocation OpLoc, |
| 1667 | SourceLocation LabLoc, |
| 1668 | IdentifierInfo *LabelII); |
| 1669 | |
| 1670 | virtual OwningExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtArg SubStmt, |
| 1671 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 1672 | |
| 1673 | /// __builtin_offsetof(type, a.b[123][456].c) |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1674 | virtual OwningExprResult ActOnBuiltinOffsetOf(Scope *S, |
| 1675 | SourceLocation BuiltinLoc, |
| 1676 | SourceLocation TypeLoc, |
| 1677 | TypeTy *Arg1, |
| 1678 | OffsetOfComponent *CompPtr, |
| 1679 | unsigned NumComponents, |
| 1680 | SourceLocation RParenLoc); |
| 1681 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 1682 | // __builtin_types_compatible_p(type1, type2) |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1683 | virtual OwningExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
| 1684 | TypeTy *arg1, TypeTy *arg2, |
| 1685 | SourceLocation RPLoc); |
| 1686 | |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 1687 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1688 | virtual OwningExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
| 1689 | ExprArg cond, ExprArg expr1, |
| 1690 | ExprArg expr2, SourceLocation RPLoc); |
| 1691 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 1692 | // __builtin_va_arg(expr, type) |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1693 | virtual OwningExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 1694 | ExprArg expr, TypeTy *type, |
| 1695 | SourceLocation RPLoc); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1696 | |
Douglas Gregor | 2d8b273 | 2008-11-29 04:51:27 +0000 | [diff] [blame] | 1697 | // __null |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1698 | virtual OwningExprResult ActOnGNUNullExpr(SourceLocation TokenLoc); |
Douglas Gregor | 2d8b273 | 2008-11-29 04:51:27 +0000 | [diff] [blame] | 1699 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1700 | //===------------------------- "Block" Extension ------------------------===// |
| 1701 | |
| 1702 | /// ActOnBlockStart - This callback is invoked when a block literal is |
| 1703 | /// started. |
Steve Naroff | 090276f | 2008-10-10 01:28:17 +0000 | [diff] [blame] | 1704 | virtual void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope); |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1705 | |
Steve Naroff | 090276f | 2008-10-10 01:28:17 +0000 | [diff] [blame] | 1706 | /// ActOnBlockArguments - This callback allows processing of block arguments. |
| 1707 | /// If there are no arguments, this is still invoked. |
Mike Stump | 98eb8a7 | 2009-02-04 22:31:32 +0000 | [diff] [blame] | 1708 | virtual void ActOnBlockArguments(Declarator &ParamInfo, Scope *CurScope); |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1709 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1710 | /// ActOnBlockError - If there is an error parsing a block, this callback |
| 1711 | /// is invoked to pop the information about the block from the action impl. |
| 1712 | virtual void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1713 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1714 | /// ActOnBlockStmtExpr - This is called when the body of a block statement |
| 1715 | /// literal was successfully completed. ^(int x){...} |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1716 | virtual OwningExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, |
| 1717 | StmtArg Body, Scope *CurScope); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1718 | |
Chris Lattner | 76a642f | 2009-02-15 22:43:40 +0000 | [diff] [blame] | 1719 | //===---------------------------- C++ Features --------------------------===// |
| 1720 | |
Argyrios Kyrtzidis | 2d1c5d3 | 2008-04-27 13:50:30 +0000 | [diff] [blame] | 1721 | // Act on C++ namespaces |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 1722 | virtual DeclPtrTy ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc, |
| 1723 | IdentifierInfo *Ident, |
| 1724 | SourceLocation LBrace); |
| 1725 | virtual void ActOnFinishNamespaceDef(DeclPtrTy Dcl, SourceLocation RBrace); |
Argyrios Kyrtzidis | 2d1c5d3 | 2008-04-27 13:50:30 +0000 | [diff] [blame] | 1726 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 1727 | virtual DeclPtrTy ActOnUsingDirective(Scope *CurScope, |
| 1728 | SourceLocation UsingLoc, |
| 1729 | SourceLocation NamespcLoc, |
| 1730 | const CXXScopeSpec &SS, |
| 1731 | SourceLocation IdentLoc, |
| 1732 | IdentifierInfo *NamespcName, |
| 1733 | AttributeList *AttrList); |
Anders Carlsson | dbb0094 | 2009-03-28 05:27:17 +0000 | [diff] [blame] | 1734 | |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 1735 | void PushUsingDirective(Scope *S, UsingDirectiveDecl *UDir); |
| 1736 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 1737 | virtual DeclPtrTy ActOnNamespaceAliasDef(Scope *CurScope, |
Anders Carlsson | 03bd5a1 | 2009-03-28 22:53:22 +0000 | [diff] [blame] | 1738 | SourceLocation NamespaceLoc, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 1739 | SourceLocation AliasLoc, |
| 1740 | IdentifierInfo *Alias, |
| 1741 | const CXXScopeSpec &SS, |
Anders Carlsson | 03bd5a1 | 2009-03-28 22:53:22 +0000 | [diff] [blame] | 1742 | SourceLocation IdentLoc, |
| 1743 | IdentifierInfo *Ident); |
Douglas Gregor | 9cfbe48 | 2009-06-20 00:51:54 +0000 | [diff] [blame] | 1744 | |
| 1745 | virtual DeclPtrTy ActOnUsingDeclaration(Scope *CurScope, |
| 1746 | SourceLocation UsingLoc, |
| 1747 | const CXXScopeSpec &SS, |
| 1748 | SourceLocation IdentLoc, |
| 1749 | IdentifierInfo *TargetName, |
Anders Carlsson | 0c6139d | 2009-06-27 00:27:47 +0000 | [diff] [blame] | 1750 | OverloadedOperatorKind Op, |
Douglas Gregor | 9cfbe48 | 2009-06-20 00:51:54 +0000 | [diff] [blame] | 1751 | AttributeList *AttrList, |
| 1752 | bool IsTypeName); |
Anders Carlsson | dbb0094 | 2009-03-28 05:27:17 +0000 | [diff] [blame] | 1753 | |
Argyrios Kyrtzidis | 73a0d88 | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 1754 | /// AddCXXDirectInitializerToDecl - This action is called immediately after |
| 1755 | /// ActOnDeclarator, when a C++ direct initializer is present. |
| 1756 | /// e.g: "int x(1);" |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 1757 | virtual void AddCXXDirectInitializerToDecl(DeclPtrTy Dcl, |
Argyrios Kyrtzidis | 73a0d88 | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 1758 | SourceLocation LParenLoc, |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1759 | MultiExprArg Exprs, |
Argyrios Kyrtzidis | 73a0d88 | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 1760 | SourceLocation *CommaLocs, |
| 1761 | SourceLocation RParenLoc); |
| 1762 | |
Anders Carlsson | 49d4401 | 2009-04-24 05:16:06 +0000 | [diff] [blame] | 1763 | /// InitializeVarWithConstructor - Creates an CXXConstructExpr |
| 1764 | /// and sets it as the initializer for the the passed in VarDecl. |
Anders Carlsson | fe2de49 | 2009-08-25 05:18:00 +0000 | [diff] [blame] | 1765 | bool InitializeVarWithConstructor(VarDecl *VD, |
Anders Carlsson | 930e8d0 | 2009-04-16 23:50:50 +0000 | [diff] [blame] | 1766 | CXXConstructorDecl *Constructor, |
| 1767 | QualType DeclInitType, |
| 1768 | Expr **Exprs, unsigned NumExprs); |
Anders Carlsson | 9abf2ae | 2009-08-16 05:13:48 +0000 | [diff] [blame] | 1769 | |
Anders Carlsson | da3f4e2 | 2009-08-25 05:12:04 +0000 | [diff] [blame] | 1770 | OwningExprResult BuildCXXConstructExpr(QualType DeclInitType, |
| 1771 | CXXConstructorDecl *Constructor, |
| 1772 | Expr **Exprs, unsigned NumExprs); |
Anders Carlsson | 9abf2ae | 2009-08-16 05:13:48 +0000 | [diff] [blame] | 1773 | |
Fariborz Jahanian | b2c352e | 2009-08-05 17:03:54 +0000 | [diff] [blame] | 1774 | /// BuildCXXConstructExpr - Creates a complete call to a constructor, |
| 1775 | /// including handling of its default argument expressions. |
Anders Carlsson | da3f4e2 | 2009-08-25 05:12:04 +0000 | [diff] [blame] | 1776 | OwningExprResult BuildCXXConstructExpr(QualType DeclInitType, |
| 1777 | CXXConstructorDecl *Constructor, |
| 1778 | bool Elidable, |
| 1779 | Expr **Exprs, unsigned NumExprs); |
Anders Carlsson | 089c260 | 2009-08-15 23:41:35 +0000 | [diff] [blame] | 1780 | |
Anders Carlsson | 56c5e33 | 2009-08-25 03:49:14 +0000 | [diff] [blame] | 1781 | /// BuildCXXDefaultArgExpr - Creates a CXXDefaultArgExpr, instantiating |
| 1782 | /// the default expr if needed. |
| 1783 | OwningExprResult BuildCXXDefaultArgExpr(SourceLocation CallLoc, |
| 1784 | FunctionDecl *FD, |
| 1785 | ParmVarDecl *Param); |
| 1786 | |
Fariborz Jahanian | a83f7ed | 2009-08-03 19:13:25 +0000 | [diff] [blame] | 1787 | /// FinalizeVarWithDestructor - Prepare for calling destructor on the |
| 1788 | /// constructed variable. |
| 1789 | void FinalizeVarWithDestructor(VarDecl *VD, QualType DeclInitType); |
Fariborz Jahanian | f8dcb86 | 2009-06-19 19:55:27 +0000 | [diff] [blame] | 1790 | |
Fariborz Jahanian | 485f087 | 2009-06-22 23:34:40 +0000 | [diff] [blame] | 1791 | /// DefineImplicitDefaultConstructor - Checks for feasibility of |
Fariborz Jahanian | f8dcb86 | 2009-06-19 19:55:27 +0000 | [diff] [blame] | 1792 | /// defining this constructor as the default constructor. |
| 1793 | void DefineImplicitDefaultConstructor(SourceLocation CurrentLocation, |
| 1794 | CXXConstructorDecl *Constructor); |
Fariborz Jahanian | 485f087 | 2009-06-22 23:34:40 +0000 | [diff] [blame] | 1795 | |
Fariborz Jahanian | 8d2b356 | 2009-06-26 23:49:16 +0000 | [diff] [blame] | 1796 | /// DefineImplicitDestructor - Checks for feasibility of |
| 1797 | /// defining this destructor as the default destructor. |
| 1798 | void DefineImplicitDestructor(SourceLocation CurrentLocation, |
| 1799 | CXXDestructorDecl *Destructor); |
| 1800 | |
Fariborz Jahanian | 485f087 | 2009-06-22 23:34:40 +0000 | [diff] [blame] | 1801 | /// DefineImplicitCopyConstructor - Checks for feasibility of |
| 1802 | /// defining this constructor as the copy constructor. |
| 1803 | void DefineImplicitCopyConstructor(SourceLocation CurrentLocation, |
| 1804 | CXXConstructorDecl *Constructor, |
| 1805 | unsigned TypeQuals); |
Fariborz Jahanian | c75bc2d | 2009-06-25 21:45:19 +0000 | [diff] [blame] | 1806 | |
| 1807 | /// DefineImplicitOverloadedAssign - Checks for feasibility of |
| 1808 | /// defining implicit this overloaded assignment operator. |
| 1809 | void DefineImplicitOverloadedAssign(SourceLocation CurrentLocation, |
| 1810 | CXXMethodDecl *MethodDecl); |
| 1811 | |
| 1812 | /// getAssignOperatorMethod - Returns the default copy assignmment operator |
| 1813 | /// for the class. |
| 1814 | CXXMethodDecl *getAssignOperatorMethod(ParmVarDecl *Decl, |
| 1815 | CXXRecordDecl *ClassDecl); |
Anders Carlsson | def1199 | 2009-05-30 20:36:53 +0000 | [diff] [blame] | 1816 | |
| 1817 | /// MaybeBindToTemporary - If the passed in expression has a record type with |
| 1818 | /// a non-trivial destructor, this will return CXXBindTemporaryExpr. Otherwise |
| 1819 | /// it simply returns the passed in expression. |
| 1820 | OwningExprResult MaybeBindToTemporary(Expr *E); |
Anders Carlsson | b27615a | 2009-05-30 22:47:03 +0000 | [diff] [blame] | 1821 | |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 1822 | /// InitializationKind - Represents which kind of C++ initialization |
| 1823 | /// [dcl.init] a routine is to perform. |
| 1824 | enum InitializationKind { |
| 1825 | IK_Direct, ///< Direct initialization |
| 1826 | IK_Copy, ///< Copy initialization |
| 1827 | IK_Default ///< Default initialization |
| 1828 | }; |
| 1829 | |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 1830 | CXXConstructorDecl * |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 1831 | PerformInitializationByConstructor(QualType ClassType, |
| 1832 | Expr **Args, unsigned NumArgs, |
| 1833 | SourceLocation Loc, SourceRange Range, |
Chris Lattner | d9d22dd | 2008-11-24 05:29:24 +0000 | [diff] [blame] | 1834 | DeclarationName InitEntity, |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 1835 | InitializationKind Kind); |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 1836 | |
Douglas Gregor | 49badde | 2008-10-27 19:41:14 +0000 | [diff] [blame] | 1837 | /// ActOnCXXNamedCast - Parse {dynamic,static,reinterpret,const}_cast's. |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1838 | virtual OwningExprResult ActOnCXXNamedCast(SourceLocation OpLoc, |
| 1839 | tok::TokenKind Kind, |
| 1840 | SourceLocation LAngleBracketLoc, |
| 1841 | TypeTy *Ty, |
| 1842 | SourceLocation RAngleBracketLoc, |
| 1843 | SourceLocation LParenLoc, |
| 1844 | ExprArg E, |
| 1845 | SourceLocation RParenLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1846 | |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1847 | /// ActOnCXXTypeid - Parse typeid( something ). |
| 1848 | virtual OwningExprResult ActOnCXXTypeid(SourceLocation OpLoc, |
| 1849 | SourceLocation LParenLoc, bool isType, |
| 1850 | void *TyOrExpr, |
| 1851 | SourceLocation RParenLoc); |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 1852 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 1853 | //// ActOnCXXThis - Parse 'this' pointer. |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1854 | virtual OwningExprResult ActOnCXXThis(SourceLocation ThisLoc); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 1855 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1856 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1857 | virtual OwningExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
| 1858 | tok::TokenKind Kind); |
| 1859 | |
Sebastian Redl | 6e8ed16 | 2009-05-10 18:38:11 +0000 | [diff] [blame] | 1860 | /// ActOnCXXNullPtrLiteral - Parse 'nullptr'. |
| 1861 | virtual OwningExprResult ActOnCXXNullPtrLiteral(SourceLocation Loc); |
| 1862 | |
Chris Lattner | 50dd289 | 2008-02-26 00:51:44 +0000 | [diff] [blame] | 1863 | //// ActOnCXXThrow - Parse throw expressions. |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1864 | virtual OwningExprResult ActOnCXXThrow(SourceLocation OpLoc, |
| 1865 | ExprArg expr); |
Sebastian Redl | 972041f | 2009-04-27 20:27:31 +0000 | [diff] [blame] | 1866 | bool CheckCXXThrowOperand(SourceLocation ThrowLoc, Expr *&E); |
Chris Lattner | 50dd289 | 2008-02-26 00:51:44 +0000 | [diff] [blame] | 1867 | |
Argyrios Kyrtzidis | 987a14b | 2008-08-22 15:38:55 +0000 | [diff] [blame] | 1868 | /// ActOnCXXTypeConstructExpr - Parse construction of a specified type. |
| 1869 | /// Can be interpreted either as function-style casting ("int(x)") |
| 1870 | /// or class type construction ("ClassType(x,y,z)") |
| 1871 | /// or creation of a value-initialized type ("int()"). |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1872 | virtual OwningExprResult ActOnCXXTypeConstructExpr(SourceRange TypeRange, |
| 1873 | TypeTy *TypeRep, |
| 1874 | SourceLocation LParenLoc, |
| 1875 | MultiExprArg Exprs, |
| 1876 | SourceLocation *CommaLocs, |
| 1877 | SourceLocation RParenLoc); |
Argyrios Kyrtzidis | 987a14b | 2008-08-22 15:38:55 +0000 | [diff] [blame] | 1878 | |
Sebastian Redl | 4c5d320 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 1879 | /// ActOnCXXNew - Parsed a C++ 'new' expression. |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1880 | virtual OwningExprResult ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, |
| 1881 | SourceLocation PlacementLParen, |
| 1882 | MultiExprArg PlacementArgs, |
| 1883 | SourceLocation PlacementRParen, |
| 1884 | bool ParenTypeId, Declarator &D, |
| 1885 | SourceLocation ConstructorLParen, |
| 1886 | MultiExprArg ConstructorArgs, |
| 1887 | SourceLocation ConstructorRParen); |
Douglas Gregor | 3433cf7 | 2009-05-21 00:00:09 +0000 | [diff] [blame] | 1888 | OwningExprResult BuildCXXNew(SourceLocation StartLoc, bool UseGlobal, |
| 1889 | SourceLocation PlacementLParen, |
| 1890 | MultiExprArg PlacementArgs, |
| 1891 | SourceLocation PlacementRParen, |
| 1892 | bool ParenTypeId, |
| 1893 | QualType AllocType, |
| 1894 | SourceLocation TypeLoc, |
| 1895 | SourceRange TypeRange, |
| 1896 | ExprArg ArraySize, |
| 1897 | SourceLocation ConstructorLParen, |
| 1898 | MultiExprArg ConstructorArgs, |
| 1899 | SourceLocation ConstructorRParen); |
| 1900 | |
| 1901 | bool CheckAllocatedType(QualType AllocType, SourceLocation Loc, |
| 1902 | SourceRange R); |
Sebastian Redl | 00e68e2 | 2009-02-09 18:24:27 +0000 | [diff] [blame] | 1903 | bool FindAllocationFunctions(SourceLocation StartLoc, SourceRange Range, |
| 1904 | bool UseGlobal, QualType AllocType, bool IsArray, |
Sebastian Redl | b5a57a6 | 2008-12-03 20:26:15 +0000 | [diff] [blame] | 1905 | Expr **PlaceArgs, unsigned NumPlaceArgs, |
| 1906 | FunctionDecl *&OperatorNew, |
| 1907 | FunctionDecl *&OperatorDelete); |
Sebastian Redl | 00e68e2 | 2009-02-09 18:24:27 +0000 | [diff] [blame] | 1908 | bool FindAllocationOverload(SourceLocation StartLoc, SourceRange Range, |
| 1909 | DeclarationName Name, Expr** Args, |
| 1910 | unsigned NumArgs, DeclContext *Ctx, |
Sebastian Redl | 7f66239 | 2008-12-04 22:20:51 +0000 | [diff] [blame] | 1911 | bool AllowMissing, FunctionDecl *&Operator); |
Sebastian Redl | b5a57a6 | 2008-12-03 20:26:15 +0000 | [diff] [blame] | 1912 | void DeclareGlobalNewDelete(); |
| 1913 | void DeclareGlobalAllocationFunction(DeclarationName Name, QualType Return, |
| 1914 | QualType Argument); |
Sebastian Redl | 4c5d320 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 1915 | |
| 1916 | /// ActOnCXXDelete - Parsed a C++ 'delete' expression |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1917 | virtual OwningExprResult ActOnCXXDelete(SourceLocation StartLoc, |
| 1918 | bool UseGlobal, bool ArrayForm, |
| 1919 | ExprArg Operand); |
Sebastian Redl | 4c5d320 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 1920 | |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 1921 | /// ActOnCXXConditionDeclarationExpr - Parsed a condition declaration of a |
| 1922 | /// C++ if/switch/while/for statement. |
| 1923 | /// e.g: "if (int x = f()) {...}" |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1924 | virtual OwningExprResult ActOnCXXConditionDeclarationExpr(Scope *S, |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 1925 | SourceLocation StartLoc, |
| 1926 | Declarator &D, |
| 1927 | SourceLocation EqualLoc, |
Sebastian Redl | f53597f | 2009-03-15 17:47:39 +0000 | [diff] [blame] | 1928 | ExprArg AssignExprVal); |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 1929 | |
Sebastian Redl | 64b45f7 | 2009-01-05 20:52:13 +0000 | [diff] [blame] | 1930 | /// ActOnUnaryTypeTrait - Parsed one of the unary type trait support |
| 1931 | /// pseudo-functions. |
| 1932 | virtual OwningExprResult ActOnUnaryTypeTrait(UnaryTypeTrait OTT, |
| 1933 | SourceLocation KWLoc, |
| 1934 | SourceLocation LParen, |
| 1935 | TypeTy *Ty, |
| 1936 | SourceLocation RParen); |
Anders Carlsson | 3aa4ca4 | 2009-08-26 17:36:19 +0000 | [diff] [blame] | 1937 | |
Anders Carlsson | ec77387 | 2009-08-25 23:46:41 +0000 | [diff] [blame] | 1938 | virtual OwningExprResult |
Anders Carlsson | 3aa4ca4 | 2009-08-26 17:36:19 +0000 | [diff] [blame] | 1939 | ActOnDestructorReferenceExpr(Scope *S, ExprArg Base, |
Anders Carlsson | ec77387 | 2009-08-25 23:46:41 +0000 | [diff] [blame] | 1940 | SourceLocation OpLoc, |
| 1941 | tok::TokenKind OpKind, |
| 1942 | SourceLocation ClassNameLoc, |
| 1943 | IdentifierInfo *ClassName, |
| 1944 | const CXXScopeSpec *SS = 0); |
| 1945 | |
Anders Carlsson | 99ba36d | 2009-06-05 15:38:08 +0000 | [diff] [blame] | 1946 | /// MaybeCreateCXXExprWithTemporaries - If the list of temporaries is |
| 1947 | /// non-empty, will create a new CXXExprWithTemporaries expression. |
| 1948 | /// Otherwise, just returs the passed in expression. |
Anders Carlsson | f54741e | 2009-06-16 03:37:31 +0000 | [diff] [blame] | 1949 | Expr *MaybeCreateCXXExprWithTemporaries(Expr *SubExpr, |
| 1950 | bool ShouldDestroyTemporaries); |
Anders Carlsson | 99ba36d | 2009-06-05 15:38:08 +0000 | [diff] [blame] | 1951 | |
Anders Carlsson | 165a0a0 | 2009-05-17 18:41:29 +0000 | [diff] [blame] | 1952 | virtual OwningExprResult ActOnFinishFullExpr(ExprArg Expr); |
| 1953 | |
Douglas Gregor | 4fdf1fa | 2009-03-11 16:48:53 +0000 | [diff] [blame] | 1954 | bool RequireCompleteDeclContext(const CXXScopeSpec &SS); |
Douglas Gregor | e4e5b05 | 2009-03-19 00:18:19 +0000 | [diff] [blame] | 1955 | |
Douglas Gregor | f59a56e | 2009-07-21 23:53:31 +0000 | [diff] [blame] | 1956 | DeclContext *computeDeclContext(const CXXScopeSpec &SS, |
| 1957 | bool EnteringContext = false); |
Douglas Gregor | 5953d8b | 2009-03-19 17:26:29 +0000 | [diff] [blame] | 1958 | bool isDependentScopeSpecifier(const CXXScopeSpec &SS); |
Douglas Gregor | 42af25f | 2009-05-11 19:58:34 +0000 | [diff] [blame] | 1959 | CXXRecordDecl *getCurrentInstantiationOf(NestedNameSpecifier *NNS); |
| 1960 | bool isUnknownSpecialization(const CXXScopeSpec &SS); |
Douglas Gregor | ca5e77f | 2009-03-18 00:36:05 +0000 | [diff] [blame] | 1961 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 1962 | /// ActOnCXXGlobalScopeSpecifier - Return the object that represents the |
| 1963 | /// global scope ('::'). |
| 1964 | virtual CXXScopeTy *ActOnCXXGlobalScopeSpecifier(Scope *S, |
| 1965 | SourceLocation CCLoc); |
| 1966 | |
| 1967 | /// ActOnCXXNestedNameSpecifier - Called during parsing of a |
| 1968 | /// nested-name-specifier. e.g. for "foo::bar::" we parsed "foo::" and now |
| 1969 | /// we want to resolve "bar::". 'SS' is empty or the previously parsed |
| 1970 | /// nested-name part ("foo::"), 'IdLoc' is the source location of 'bar', |
| 1971 | /// 'CCLoc' is the location of '::' and 'II' is the identifier for 'bar'. |
| 1972 | /// Returns a CXXScopeTy* object representing the C++ scope. |
| 1973 | virtual CXXScopeTy *ActOnCXXNestedNameSpecifier(Scope *S, |
| 1974 | const CXXScopeSpec &SS, |
| 1975 | SourceLocation IdLoc, |
| 1976 | SourceLocation CCLoc, |
Douglas Gregor | 495c35d | 2009-08-25 22:51:20 +0000 | [diff] [blame] | 1977 | IdentifierInfo &II, |
| 1978 | bool EnteringContext); |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 1979 | |
Douglas Gregor | 39a8de1 | 2009-02-25 19:37:18 +0000 | [diff] [blame] | 1980 | /// ActOnCXXNestedNameSpecifier - Called during parsing of a |
| 1981 | /// nested-name-specifier that involves a template-id, e.g., |
| 1982 | /// "foo::bar<int, float>::", and now we need to build a scope |
| 1983 | /// specifier. \p SS is empty or the previously parsed nested-name |
| 1984 | /// part ("foo::"), \p Type is the already-parsed class template |
| 1985 | /// specialization (or other template-id that names a type), \p |
| 1986 | /// TypeRange is the source range where the type is located, and \p |
| 1987 | /// CCLoc is the location of the trailing '::'. |
| 1988 | virtual CXXScopeTy *ActOnCXXNestedNameSpecifier(Scope *S, |
| 1989 | const CXXScopeSpec &SS, |
| 1990 | TypeTy *Type, |
| 1991 | SourceRange TypeRange, |
| 1992 | SourceLocation CCLoc); |
| 1993 | |
Douglas Gregor | fe85ced | 2009-08-06 03:17:00 +0000 | [diff] [blame] | 1994 | /// ActOnCXXEnterMemberScope - Called when a C++ class member accessor ('.' |
| 1995 | /// or '->') is parsed. After this method is called, according to |
| 1996 | /// [C++ 3.4.5p4], qualified-ids should be looked up in the contexts of both |
| 1997 | /// the entire postfix-expression and the scope of the class of the object |
| 1998 | /// expression. |
| 1999 | /// 'SS' should be an empty CXXScopeSpec to be filled with the class's scope. |
| 2000 | virtual OwningExprResult ActOnCXXEnterMemberScope(Scope *S, CXXScopeSpec &SS, |
| 2001 | ExprArg Base, |
| 2002 | tok::TokenKind OpKind); |
| 2003 | |
| 2004 | /// ActOnCXXExitMemberScope - Called when a postfix-expression that previously |
| 2005 | /// invoked ActOnCXXEnterMemberScope() is finished. 'SS' is the same |
| 2006 | /// CXXScopeSpec that was passed to ActOnCXXEnterMemberScope. Used to |
| 2007 | /// indicate that names should revert to being looked up in the defining |
| 2008 | /// scope. |
| 2009 | virtual void ActOnCXXExitMemberScope(Scope *S, const CXXScopeSpec &SS); |
| 2010 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 2011 | /// ActOnCXXEnterDeclaratorScope - Called when a C++ scope specifier (global |
| 2012 | /// scope or nested-name-specifier) is parsed, part of a declarator-id. |
| 2013 | /// After this method is called, according to [C++ 3.4.3p3], names should be |
| 2014 | /// looked up in the declarator-id's scope, until the declarator is parsed and |
| 2015 | /// ActOnCXXExitDeclaratorScope is called. |
| 2016 | /// The 'SS' should be a non-empty valid CXXScopeSpec. |
| 2017 | virtual void ActOnCXXEnterDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
| 2018 | |
| 2019 | /// ActOnCXXExitDeclaratorScope - Called when a declarator that previously |
| 2020 | /// invoked ActOnCXXEnterDeclaratorScope(), is finished. 'SS' is the same |
| 2021 | /// CXXScopeSpec that was passed to ActOnCXXEnterDeclaratorScope as well. |
| 2022 | /// Used to indicate that names should revert to being looked up in the |
| 2023 | /// defining scope. |
Douglas Gregor | 0a59acb | 2008-12-16 00:38:16 +0000 | [diff] [blame] | 2024 | virtual void ActOnCXXExitDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 2025 | |
Argyrios Kyrtzidis | 0ffd9ff | 2009-06-17 22:50:06 +0000 | [diff] [blame] | 2026 | /// ActOnCXXEnterDeclInitializer - Invoked when we are about to parse an |
| 2027 | /// initializer for the declaration 'Dcl'. |
| 2028 | /// After this method is called, according to [C++ 3.4.1p13], if 'Dcl' is a |
| 2029 | /// static data member of class X, names should be looked up in the scope of |
| 2030 | /// class X. |
| 2031 | virtual void ActOnCXXEnterDeclInitializer(Scope *S, DeclPtrTy Dcl); |
| 2032 | |
| 2033 | /// ActOnCXXExitDeclInitializer - Invoked after we are finished parsing an |
| 2034 | /// initializer for the declaration 'Dcl'. |
| 2035 | virtual void ActOnCXXExitDeclInitializer(Scope *S, DeclPtrTy Dcl); |
| 2036 | |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 2037 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 2038 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 2039 | ExprTy **Strings, |
| 2040 | unsigned NumStrings); |
Anders Carlsson | fc0f021 | 2009-06-07 18:45:35 +0000 | [diff] [blame] | 2041 | |
| 2042 | Expr *BuildObjCEncodeExpression(SourceLocation AtLoc, |
| 2043 | QualType EncodedType, |
| 2044 | SourceLocation RParenLoc); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 2045 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 2046 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 2047 | SourceLocation LParenLoc, |
| 2048 | TypeTy *Ty, |
| 2049 | SourceLocation RParenLoc); |
| 2050 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 2051 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 2052 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 2053 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 2054 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 2055 | SourceLocation LParenLoc, |
| 2056 | SourceLocation RParenLoc); |
| 2057 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 2058 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 2059 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 2060 | SourceLocation AtLoc, |
| 2061 | SourceLocation ProtoLoc, |
| 2062 | SourceLocation LParenLoc, |
| 2063 | SourceLocation RParenLoc); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 2064 | |
| 2065 | //===--------------------------------------------------------------------===// |
Douglas Gregor | 074149e | 2009-01-05 19:45:36 +0000 | [diff] [blame] | 2066 | // C++ Declarations |
| 2067 | // |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2068 | virtual DeclPtrTy ActOnStartLinkageSpecification(Scope *S, |
| 2069 | SourceLocation ExternLoc, |
| 2070 | SourceLocation LangLoc, |
| 2071 | const char *Lang, |
| 2072 | unsigned StrSize, |
| 2073 | SourceLocation LBraceLoc); |
| 2074 | virtual DeclPtrTy ActOnFinishLinkageSpecification(Scope *S, |
| 2075 | DeclPtrTy LinkageSpec, |
| 2076 | SourceLocation RBraceLoc); |
Douglas Gregor | 074149e | 2009-01-05 19:45:36 +0000 | [diff] [blame] | 2077 | |
| 2078 | |
| 2079 | //===--------------------------------------------------------------------===// |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 2080 | // C++ Classes |
| 2081 | // |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 2082 | virtual bool isCurrentClassName(const IdentifierInfo &II, Scope *S, |
| 2083 | const CXXScopeSpec *SS); |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 2084 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2085 | virtual DeclPtrTy ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, |
| 2086 | Declarator &D, |
Douglas Gregor | 37b372b | 2009-08-20 22:52:58 +0000 | [diff] [blame] | 2087 | MultiTemplateParamsArg TemplateParameterLists, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2088 | ExprTy *BitfieldWidth, |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 2089 | ExprTy *Init, |
| 2090 | bool Deleted = false); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 2091 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2092 | virtual MemInitResult ActOnMemInitializer(DeclPtrTy ConstructorD, |
Douglas Gregor | 7ad8390 | 2008-11-05 04:29:56 +0000 | [diff] [blame] | 2093 | Scope *S, |
Fariborz Jahanian | bcfad54 | 2009-06-30 23:26:25 +0000 | [diff] [blame] | 2094 | const CXXScopeSpec &SS, |
Douglas Gregor | 7ad8390 | 2008-11-05 04:29:56 +0000 | [diff] [blame] | 2095 | IdentifierInfo *MemberOrBase, |
Fariborz Jahanian | 9617433 | 2009-07-01 19:21:19 +0000 | [diff] [blame] | 2096 | TypeTy *TemplateTypeTy, |
Douglas Gregor | 7ad8390 | 2008-11-05 04:29:56 +0000 | [diff] [blame] | 2097 | SourceLocation IdLoc, |
| 2098 | SourceLocation LParenLoc, |
| 2099 | ExprTy **Args, unsigned NumArgs, |
| 2100 | SourceLocation *CommaLocs, |
| 2101 | SourceLocation RParenLoc); |
| 2102 | |
Eli Friedman | 59c0437 | 2009-07-29 19:44:27 +0000 | [diff] [blame] | 2103 | MemInitResult BuildMemberInitializer(FieldDecl *Member, Expr **Args, |
| 2104 | unsigned NumArgs, SourceLocation IdLoc, |
| 2105 | SourceLocation RParenLoc); |
| 2106 | |
| 2107 | MemInitResult BuildBaseInitializer(QualType BaseType, Expr **Args, |
| 2108 | unsigned NumArgs, SourceLocation IdLoc, |
| 2109 | SourceLocation RParenLoc, |
| 2110 | CXXRecordDecl *ClassDecl); |
| 2111 | |
Douglas Gregor | 396b7cd | 2008-11-03 17:51:48 +0000 | [diff] [blame] | 2112 | void AddImplicitlyDeclaredMembersToClass(CXXRecordDecl *ClassDecl); |
| 2113 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2114 | virtual void ActOnMemInitializers(DeclPtrTy ConstructorDecl, |
Anders Carlsson | a7b3521 | 2009-03-25 02:58:17 +0000 | [diff] [blame] | 2115 | SourceLocation ColonLoc, |
| 2116 | MemInitTy **MemInits, unsigned NumMemInits); |
| 2117 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 2118 | virtual void ActOnFinishCXXMemberSpecification(Scope* S, SourceLocation RLoc, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2119 | DeclPtrTy TagDecl, |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 2120 | SourceLocation LBrac, |
| 2121 | SourceLocation RBrac); |
| 2122 | |
Douglas Gregor | 6569d68 | 2009-05-27 23:11:45 +0000 | [diff] [blame] | 2123 | virtual void ActOnReenterTemplateScope(Scope *S, DeclPtrTy Template); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2124 | virtual void ActOnStartDelayedCXXMethodDeclaration(Scope *S, |
| 2125 | DeclPtrTy Method); |
| 2126 | virtual void ActOnDelayedCXXMethodParameter(Scope *S, DeclPtrTy Param); |
| 2127 | virtual void ActOnFinishDelayedCXXMethodDeclaration(Scope *S, |
| 2128 | DeclPtrTy Method); |
Douglas Gregor | 72b505b | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 2129 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2130 | virtual DeclPtrTy ActOnStaticAssertDeclaration(SourceLocation AssertLoc, |
| 2131 | ExprArg AssertExpr, |
| 2132 | ExprArg AssertMessageExpr); |
Anders Carlsson | fb31176 | 2009-03-14 00:25:26 +0000 | [diff] [blame] | 2133 | |
John McCall | 67d1a67 | 2009-08-06 02:15:43 +0000 | [diff] [blame] | 2134 | virtual DeclPtrTy ActOnFriendDecl(Scope *S, |
John McCall | 3f9a8a6 | 2009-08-11 06:59:38 +0000 | [diff] [blame] | 2135 | llvm::PointerUnion<const DeclSpec*,Declarator*> D, |
| 2136 | bool IsDefinition); |
Anders Carlsson | 0033836 | 2009-05-11 22:55:49 +0000 | [diff] [blame] | 2137 | |
Chris Lattner | 6540180 | 2009-04-25 08:28:21 +0000 | [diff] [blame] | 2138 | QualType CheckConstructorDeclarator(Declarator &D, QualType R, |
| 2139 | FunctionDecl::StorageClass& SC); |
Chris Lattner | 6e47501 | 2009-04-25 08:35:12 +0000 | [diff] [blame] | 2140 | void CheckConstructor(CXXConstructorDecl *Constructor); |
Chris Lattner | 6540180 | 2009-04-25 08:28:21 +0000 | [diff] [blame] | 2141 | QualType CheckDestructorDeclarator(Declarator &D, |
| 2142 | FunctionDecl::StorageClass& SC); |
Chris Lattner | 6e47501 | 2009-04-25 08:35:12 +0000 | [diff] [blame] | 2143 | void CheckConversionDeclarator(Declarator &D, QualType &R, |
Douglas Gregor | 2f1bc52 | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 2144 | FunctionDecl::StorageClass& SC); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2145 | DeclPtrTy ActOnConversionDeclarator(CXXConversionDecl *Conversion); |
Douglas Gregor | b48fe38 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 2146 | |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 2147 | //===--------------------------------------------------------------------===// |
| 2148 | // C++ Derived Classes |
| 2149 | // |
| 2150 | |
| 2151 | /// ActOnBaseSpecifier - Parsed a base specifier |
Douglas Gregor | 2943aed | 2009-03-03 04:44:36 +0000 | [diff] [blame] | 2152 | CXXBaseSpecifier *CheckBaseSpecifier(CXXRecordDecl *Class, |
| 2153 | SourceRange SpecifierRange, |
| 2154 | bool Virtual, AccessSpecifier Access, |
| 2155 | QualType BaseType, |
| 2156 | SourceLocation BaseLoc); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2157 | virtual BaseResult ActOnBaseSpecifier(DeclPtrTy classdecl, |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 2158 | SourceRange SpecifierRange, |
| 2159 | bool Virtual, AccessSpecifier Access, |
Douglas Gregor | 2943aed | 2009-03-03 04:44:36 +0000 | [diff] [blame] | 2160 | TypeTy *basetype, SourceLocation |
| 2161 | BaseLoc); |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 2162 | |
Douglas Gregor | 2943aed | 2009-03-03 04:44:36 +0000 | [diff] [blame] | 2163 | bool AttachBaseSpecifiers(CXXRecordDecl *Class, CXXBaseSpecifier **Bases, |
| 2164 | unsigned NumBases); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2165 | virtual void ActOnBaseSpecifiers(DeclPtrTy ClassDecl, BaseTy **Bases, |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 2166 | unsigned NumBases); |
| 2167 | |
| 2168 | bool IsDerivedFrom(QualType Derived, QualType Base); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 2169 | bool IsDerivedFrom(QualType Derived, QualType Base, BasePaths &Paths); |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 2170 | bool LookupInBases(CXXRecordDecl *Class, const MemberLookupCriteria& Criteria, |
| 2171 | BasePaths &Paths); |
Douglas Gregor | 0575d4a | 2008-10-24 16:17:19 +0000 | [diff] [blame] | 2172 | bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
| 2173 | SourceLocation Loc, SourceRange Range); |
Anders Carlsson | d8f9cb0 | 2009-05-13 21:11:42 +0000 | [diff] [blame] | 2174 | bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
| 2175 | unsigned InaccessibleBaseID, |
| 2176 | unsigned AmbigiousBaseConvID, |
| 2177 | SourceLocation Loc, SourceRange Range, |
| 2178 | DeclarationName Name); |
| 2179 | |
Douglas Gregor | 4dc6b1c | 2009-01-16 00:38:09 +0000 | [diff] [blame] | 2180 | std::string getAmbiguousPathsDisplayString(BasePaths &Paths); |
Anders Carlsson | d7ba27d | 2009-05-14 01:09:04 +0000 | [diff] [blame] | 2181 | |
Sebastian Redl | 23c7d06 | 2009-07-07 20:29:57 +0000 | [diff] [blame] | 2182 | /// CheckOverridingFunctionReturnType - Checks whether the return types are |
| 2183 | /// covariant, according to C++ [class.virtual]p5. |
| 2184 | bool CheckOverridingFunctionReturnType(const CXXMethodDecl *New, |
Anders Carlsson | d7ba27d | 2009-05-14 01:09:04 +0000 | [diff] [blame] | 2185 | const CXXMethodDecl *Old); |
Sebastian Redl | 23c7d06 | 2009-07-07 20:29:57 +0000 | [diff] [blame] | 2186 | |
| 2187 | /// CheckOverridingFunctionExceptionSpec - Checks whether the exception |
| 2188 | /// spec is a subset of base spec. |
| 2189 | bool CheckOverridingFunctionExceptionSpec(const CXXMethodDecl *New, |
| 2190 | const CXXMethodDecl *Old); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 2191 | |
Anders Carlsson | 29f006b | 2009-03-27 05:05:05 +0000 | [diff] [blame] | 2192 | //===--------------------------------------------------------------------===// |
| 2193 | // C++ Access Control |
| 2194 | // |
Sebastian Redl | 726212f | 2009-07-18 14:32:15 +0000 | [diff] [blame] | 2195 | |
Anders Carlsson | 29f006b | 2009-03-27 05:05:05 +0000 | [diff] [blame] | 2196 | bool SetMemberAccessSpecifier(NamedDecl *MemberDecl, |
| 2197 | NamedDecl *PrevMemberDecl, |
| 2198 | AccessSpecifier LexicalAS); |
Sebastian Redl | 726212f | 2009-07-18 14:32:15 +0000 | [diff] [blame] | 2199 | |
| 2200 | const CXXBaseSpecifier *FindInaccessibleBase(QualType Derived, QualType Base, |
| 2201 | BasePaths &Paths, |
| 2202 | bool NoPrivileges = false); |
| 2203 | |
| 2204 | bool CheckBaseClassAccess(QualType Derived, QualType Base, |
Anders Carlsson | d8f9cb0 | 2009-05-13 21:11:42 +0000 | [diff] [blame] | 2205 | unsigned InaccessibleBaseID, |
| 2206 | BasePaths& Paths, SourceLocation AccessLoc, |
| 2207 | DeclarationName Name); |
Sebastian Redl | 726212f | 2009-07-18 14:32:15 +0000 | [diff] [blame] | 2208 | |
| 2209 | |
Anders Carlsson | 8211eff | 2009-03-24 01:19:16 +0000 | [diff] [blame] | 2210 | enum AbstractDiagSelID { |
| 2211 | AbstractNone = -1, |
| 2212 | AbstractReturnType, |
| 2213 | AbstractParamType, |
| 2214 | AbstractVariableType, |
| 2215 | AbstractFieldType |
| 2216 | }; |
| 2217 | |
| 2218 | bool RequireNonAbstractType(SourceLocation Loc, QualType T, unsigned DiagID, |
Anders Carlsson | e65a3c8 | 2009-03-24 17:23:42 +0000 | [diff] [blame] | 2219 | AbstractDiagSelID SelID = AbstractNone, |
| 2220 | const CXXRecordDecl *CurrentRD = 0); |
Anders Carlsson | 4681ebd | 2009-03-22 20:18:17 +0000 | [diff] [blame] | 2221 | |
Douglas Gregor | 1cd1b1e | 2008-11-06 22:13:31 +0000 | [diff] [blame] | 2222 | //===--------------------------------------------------------------------===// |
| 2223 | // C++ Overloaded Operators [C++ 13.5] |
| 2224 | // |
| 2225 | |
| 2226 | bool CheckOverloadedOperatorDeclaration(FunctionDecl *FnDecl); |
| 2227 | |
Douglas Gregor | 72c3f31 | 2008-12-05 18:15:24 +0000 | [diff] [blame] | 2228 | //===--------------------------------------------------------------------===// |
| 2229 | // C++ Templates [C++ 14] |
| 2230 | // |
Douglas Gregor | c45c232 | 2009-03-31 00:43:58 +0000 | [diff] [blame] | 2231 | virtual TemplateNameKind isTemplateName(const IdentifierInfo &II, Scope *S, |
Douglas Gregor | 495c35d | 2009-08-25 22:51:20 +0000 | [diff] [blame] | 2232 | const CXXScopeSpec *SS, |
| 2233 | bool EnteringContext, |
| 2234 | TemplateTy &Template); |
Douglas Gregor | 72c3f31 | 2008-12-05 18:15:24 +0000 | [diff] [blame] | 2235 | bool DiagnoseTemplateParameterShadow(SourceLocation Loc, Decl *PrevDecl); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2236 | TemplateDecl *AdjustDeclIfTemplate(DeclPtrTy &Decl); |
Douglas Gregor | aaba5e3 | 2009-02-04 19:02:06 +0000 | [diff] [blame] | 2237 | |
Anders Carlsson | 941df7d | 2009-06-12 19:58:00 +0000 | [diff] [blame] | 2238 | virtual DeclPtrTy ActOnTypeParameter(Scope *S, bool Typename, bool Ellipsis, |
| 2239 | SourceLocation EllipsisLoc, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2240 | SourceLocation KeyLoc, |
| 2241 | IdentifierInfo *ParamName, |
| 2242 | SourceLocation ParamNameLoc, |
| 2243 | unsigned Depth, unsigned Position); |
| 2244 | virtual void ActOnTypeParameterDefault(DeclPtrTy TypeParam, |
Douglas Gregor | d684b00 | 2009-02-10 19:49:53 +0000 | [diff] [blame] | 2245 | SourceLocation EqualLoc, |
| 2246 | SourceLocation DefaultLoc, |
| 2247 | TypeTy *Default); |
| 2248 | |
Douglas Gregor | 2943aed | 2009-03-03 04:44:36 +0000 | [diff] [blame] | 2249 | QualType CheckNonTypeTemplateParameterType(QualType T, SourceLocation Loc); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2250 | virtual DeclPtrTy ActOnNonTypeTemplateParameter(Scope *S, Declarator &D, |
| 2251 | unsigned Depth, |
| 2252 | unsigned Position); |
| 2253 | virtual void ActOnNonTypeTemplateParameterDefault(DeclPtrTy TemplateParam, |
Douglas Gregor | d684b00 | 2009-02-10 19:49:53 +0000 | [diff] [blame] | 2254 | SourceLocation EqualLoc, |
| 2255 | ExprArg Default); |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2256 | virtual DeclPtrTy ActOnTemplateTemplateParameter(Scope *S, |
| 2257 | SourceLocation TmpLoc, |
| 2258 | TemplateParamsTy *Params, |
| 2259 | IdentifierInfo *ParamName, |
| 2260 | SourceLocation ParamNameLoc, |
| 2261 | unsigned Depth, |
| 2262 | unsigned Position); |
| 2263 | virtual void ActOnTemplateTemplateParameterDefault(DeclPtrTy TemplateParam, |
Douglas Gregor | d684b00 | 2009-02-10 19:49:53 +0000 | [diff] [blame] | 2264 | SourceLocation EqualLoc, |
| 2265 | ExprArg Default); |
| 2266 | |
Douglas Gregor | c4b4e7b | 2008-12-24 02:52:09 +0000 | [diff] [blame] | 2267 | virtual TemplateParamsTy * |
| 2268 | ActOnTemplateParameterList(unsigned Depth, |
| 2269 | SourceLocation ExportLoc, |
| 2270 | SourceLocation TemplateLoc, |
| 2271 | SourceLocation LAngleLoc, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2272 | DeclPtrTy *Params, unsigned NumParams, |
Douglas Gregor | c4b4e7b | 2008-12-24 02:52:09 +0000 | [diff] [blame] | 2273 | SourceLocation RAngleLoc); |
Douglas Gregor | d684b00 | 2009-02-10 19:49:53 +0000 | [diff] [blame] | 2274 | bool CheckTemplateParameterList(TemplateParameterList *NewParams, |
| 2275 | TemplateParameterList *OldParams); |
Douglas Gregor | f59a56e | 2009-07-21 23:53:31 +0000 | [diff] [blame] | 2276 | TemplateParameterList * |
| 2277 | MatchTemplateParametersToScopeSpecifier(SourceLocation DeclStartLoc, |
| 2278 | const CXXScopeSpec &SS, |
| 2279 | TemplateParameterList **ParamLists, |
| 2280 | unsigned NumParamLists); |
| 2281 | |
John McCall | 0f434ec | 2009-07-31 02:45:11 +0000 | [diff] [blame] | 2282 | DeclResult CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK, |
Douglas Gregor | bd1099e | 2009-07-23 16:36:45 +0000 | [diff] [blame] | 2283 | SourceLocation KWLoc, const CXXScopeSpec &SS, |
| 2284 | IdentifierInfo *Name, SourceLocation NameLoc, |
| 2285 | AttributeList *Attr, |
Douglas Gregor | 05396e2 | 2009-08-25 17:23:04 +0000 | [diff] [blame] | 2286 | TemplateParameterList *TemplateParams, |
Douglas Gregor | bd1099e | 2009-07-23 16:36:45 +0000 | [diff] [blame] | 2287 | AccessSpecifier AS); |
Douglas Gregor | ddc29e1 | 2009-02-06 22:42:48 +0000 | [diff] [blame] | 2288 | |
Douglas Gregor | 7532dc6 | 2009-03-30 22:58:21 +0000 | [diff] [blame] | 2289 | QualType CheckTemplateIdType(TemplateName Template, |
| 2290 | SourceLocation TemplateLoc, |
| 2291 | SourceLocation LAngleLoc, |
| 2292 | const TemplateArgument *TemplateArgs, |
| 2293 | unsigned NumTemplateArgs, |
| 2294 | SourceLocation RAngleLoc); |
Douglas Gregor | 40808ce | 2009-03-09 23:48:35 +0000 | [diff] [blame] | 2295 | |
Douglas Gregor | cc63668 | 2009-02-17 23:15:12 +0000 | [diff] [blame] | 2296 | virtual TypeResult |
Douglas Gregor | 7532dc6 | 2009-03-30 22:58:21 +0000 | [diff] [blame] | 2297 | ActOnTemplateIdType(TemplateTy Template, SourceLocation TemplateLoc, |
| 2298 | SourceLocation LAngleLoc, |
| 2299 | ASTTemplateArgsPtr TemplateArgs, |
| 2300 | SourceLocation *TemplateArgLocs, |
| 2301 | SourceLocation RAngleLoc); |
Douglas Gregor | cc63668 | 2009-02-17 23:15:12 +0000 | [diff] [blame] | 2302 | |
Douglas Gregor | edce4dd | 2009-06-30 22:34:41 +0000 | [diff] [blame] | 2303 | OwningExprResult BuildTemplateIdExpr(TemplateName Template, |
| 2304 | SourceLocation TemplateNameLoc, |
| 2305 | SourceLocation LAngleLoc, |
| 2306 | const TemplateArgument *TemplateArgs, |
| 2307 | unsigned NumTemplateArgs, |
| 2308 | SourceLocation RAngleLoc); |
| 2309 | |
| 2310 | virtual OwningExprResult ActOnTemplateIdExpr(TemplateTy Template, |
| 2311 | SourceLocation TemplateNameLoc, |
| 2312 | SourceLocation LAngleLoc, |
| 2313 | ASTTemplateArgsPtr TemplateArgs, |
| 2314 | SourceLocation *TemplateArgLocs, |
| 2315 | SourceLocation RAngleLoc); |
| 2316 | |
Douglas Gregor | c45c232 | 2009-03-31 00:43:58 +0000 | [diff] [blame] | 2317 | virtual TemplateTy ActOnDependentTemplateName(SourceLocation TemplateKWLoc, |
| 2318 | const IdentifierInfo &Name, |
| 2319 | SourceLocation NameLoc, |
| 2320 | const CXXScopeSpec &SS); |
| 2321 | |
Douglas Gregor | 88b7094 | 2009-02-25 22:02:03 +0000 | [diff] [blame] | 2322 | bool CheckClassTemplateSpecializationScope(ClassTemplateDecl *ClassTemplate, |
| 2323 | ClassTemplateSpecializationDecl *PrevDecl, |
| 2324 | SourceLocation TemplateNameLoc, |
Douglas Gregor | ff66803 | 2009-05-13 18:28:20 +0000 | [diff] [blame] | 2325 | SourceRange ScopeSpecifierRange, |
Douglas Gregor | 16df850 | 2009-06-12 22:21:45 +0000 | [diff] [blame] | 2326 | bool PartialSpecialization, |
Douglas Gregor | ff66803 | 2009-05-13 18:28:20 +0000 | [diff] [blame] | 2327 | bool ExplicitInstantiation); |
Douglas Gregor | 88b7094 | 2009-02-25 22:02:03 +0000 | [diff] [blame] | 2328 | |
Douglas Gregor | e94866f | 2009-06-12 21:21:02 +0000 | [diff] [blame] | 2329 | bool CheckClassTemplatePartialSpecializationArgs( |
| 2330 | TemplateParameterList *TemplateParams, |
Anders Carlsson | 6360be7 | 2009-06-13 18:20:51 +0000 | [diff] [blame] | 2331 | const TemplateArgumentListBuilder &TemplateArgs, |
Douglas Gregor | 6aa75cf | 2009-06-12 22:08:06 +0000 | [diff] [blame] | 2332 | bool &MirrorsPrimaryTemplate); |
Douglas Gregor | e94866f | 2009-06-12 21:21:02 +0000 | [diff] [blame] | 2333 | |
Douglas Gregor | 212e81c | 2009-03-25 00:13:59 +0000 | [diff] [blame] | 2334 | virtual DeclResult |
John McCall | 0f434ec | 2009-07-31 02:45:11 +0000 | [diff] [blame] | 2335 | ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec, TagUseKind TUK, |
Douglas Gregor | cc63668 | 2009-02-17 23:15:12 +0000 | [diff] [blame] | 2336 | SourceLocation KWLoc, |
| 2337 | const CXXScopeSpec &SS, |
Douglas Gregor | 7532dc6 | 2009-03-30 22:58:21 +0000 | [diff] [blame] | 2338 | TemplateTy Template, |
Douglas Gregor | cc63668 | 2009-02-17 23:15:12 +0000 | [diff] [blame] | 2339 | SourceLocation TemplateNameLoc, |
Douglas Gregor | 55f6b14 | 2009-02-09 18:46:07 +0000 | [diff] [blame] | 2340 | SourceLocation LAngleLoc, |
Douglas Gregor | 5908e9f | 2009-02-09 19:34:22 +0000 | [diff] [blame] | 2341 | ASTTemplateArgsPtr TemplateArgs, |
Douglas Gregor | c15cb38 | 2009-02-09 23:23:08 +0000 | [diff] [blame] | 2342 | SourceLocation *TemplateArgLocs, |
Douglas Gregor | 55f6b14 | 2009-02-09 18:46:07 +0000 | [diff] [blame] | 2343 | SourceLocation RAngleLoc, |
Douglas Gregor | cc63668 | 2009-02-17 23:15:12 +0000 | [diff] [blame] | 2344 | AttributeList *Attr, |
| 2345 | MultiTemplateParamsArg TemplateParameterLists); |
Douglas Gregor | 55f6b14 | 2009-02-09 18:46:07 +0000 | [diff] [blame] | 2346 | |
Douglas Gregor | e542c86 | 2009-06-23 23:11:28 +0000 | [diff] [blame] | 2347 | virtual DeclPtrTy ActOnTemplateDeclarator(Scope *S, |
| 2348 | MultiTemplateParamsArg TemplateParameterLists, |
| 2349 | Declarator &D); |
| 2350 | |
Douglas Gregor | 52591bf | 2009-06-24 00:54:41 +0000 | [diff] [blame] | 2351 | virtual DeclPtrTy ActOnStartOfFunctionTemplateDef(Scope *FnBodyScope, |
| 2352 | MultiTemplateParamsArg TemplateParameterLists, |
| 2353 | Declarator &D); |
| 2354 | |
Douglas Gregor | 93dfdb1 | 2009-05-13 00:25:59 +0000 | [diff] [blame] | 2355 | virtual DeclResult |
| 2356 | ActOnExplicitInstantiation(Scope *S, SourceLocation TemplateLoc, |
| 2357 | unsigned TagSpec, |
| 2358 | SourceLocation KWLoc, |
| 2359 | const CXXScopeSpec &SS, |
| 2360 | TemplateTy Template, |
| 2361 | SourceLocation TemplateNameLoc, |
| 2362 | SourceLocation LAngleLoc, |
| 2363 | ASTTemplateArgsPtr TemplateArgs, |
| 2364 | SourceLocation *TemplateArgLocs, |
| 2365 | SourceLocation RAngleLoc, |
| 2366 | AttributeList *Attr); |
| 2367 | |
Douglas Gregor | 3f5b61c | 2009-05-14 00:28:11 +0000 | [diff] [blame] | 2368 | virtual DeclResult |
| 2369 | ActOnExplicitInstantiation(Scope *S, SourceLocation TemplateLoc, |
| 2370 | unsigned TagSpec, |
| 2371 | SourceLocation KWLoc, |
| 2372 | const CXXScopeSpec &SS, |
| 2373 | IdentifierInfo *Name, |
| 2374 | SourceLocation NameLoc, |
| 2375 | AttributeList *Attr); |
| 2376 | |
Douglas Gregor | c15cb38 | 2009-02-09 23:23:08 +0000 | [diff] [blame] | 2377 | bool CheckTemplateArgumentList(TemplateDecl *Template, |
| 2378 | SourceLocation TemplateLoc, |
| 2379 | SourceLocation LAngleLoc, |
Douglas Gregor | 40808ce | 2009-03-09 23:48:35 +0000 | [diff] [blame] | 2380 | const TemplateArgument *TemplateArgs, |
| 2381 | unsigned NumTemplateArgs, |
Douglas Gregor | 3e00bad | 2009-02-17 01:05:43 +0000 | [diff] [blame] | 2382 | SourceLocation RAngleLoc, |
Douglas Gregor | 16134c6 | 2009-07-01 00:28:38 +0000 | [diff] [blame] | 2383 | bool PartialTemplateArgs, |
Anders Carlsson | 1c5976e | 2009-06-05 03:43:12 +0000 | [diff] [blame] | 2384 | TemplateArgumentListBuilder &Converted); |
Douglas Gregor | c15cb38 | 2009-02-09 23:23:08 +0000 | [diff] [blame] | 2385 | |
Anders Carlsson | 436b156 | 2009-06-13 00:33:33 +0000 | [diff] [blame] | 2386 | bool CheckTemplateTypeArgument(TemplateTypeParmDecl *Param, |
| 2387 | const TemplateArgument &Arg, |
| 2388 | TemplateArgumentListBuilder &Converted); |
| 2389 | |
Douglas Gregor | c15cb38 | 2009-02-09 23:23:08 +0000 | [diff] [blame] | 2390 | bool CheckTemplateArgument(TemplateTypeParmDecl *Param, QualType Arg, |
| 2391 | SourceLocation ArgLoc); |
Douglas Gregor | 3e00bad | 2009-02-17 01:05:43 +0000 | [diff] [blame] | 2392 | bool CheckTemplateArgumentAddressOfObjectOrFunction(Expr *Arg, |
| 2393 | NamedDecl *&Entity); |
| 2394 | bool CheckTemplateArgumentPointerToMember(Expr *Arg, NamedDecl *&Member); |
Douglas Gregor | 2943aed | 2009-03-03 04:44:36 +0000 | [diff] [blame] | 2395 | bool CheckTemplateArgument(NonTypeTemplateParmDecl *Param, |
| 2396 | QualType InstantiatedParamType, Expr *&Arg, |
Douglas Gregor | 02cbbd2 | 2009-06-11 18:10:32 +0000 | [diff] [blame] | 2397 | TemplateArgument &Converted); |
Douglas Gregor | c15cb38 | 2009-02-09 23:23:08 +0000 | [diff] [blame] | 2398 | bool CheckTemplateArgument(TemplateTemplateParmDecl *Param, DeclRefExpr *Arg); |
Douglas Gregor | ddc29e1 | 2009-02-06 22:42:48 +0000 | [diff] [blame] | 2399 | bool TemplateParameterListsAreEqual(TemplateParameterList *New, |
| 2400 | TemplateParameterList *Old, |
| 2401 | bool Complain, |
Douglas Gregor | dd0574e | 2009-02-10 00:24:35 +0000 | [diff] [blame] | 2402 | bool IsTemplateTemplateParm = false, |
| 2403 | SourceLocation TemplateArgLoc |
| 2404 | = SourceLocation()); |
Douglas Gregor | ddc29e1 | 2009-02-06 22:42:48 +0000 | [diff] [blame] | 2405 | |
Douglas Gregor | 05396e2 | 2009-08-25 17:23:04 +0000 | [diff] [blame] | 2406 | bool CheckTemplateDeclScope(Scope *S, TemplateParameterList *TemplateParams); |
Douglas Gregor | aaba5e3 | 2009-02-04 19:02:06 +0000 | [diff] [blame] | 2407 | |
Douglas Gregor | d57959a | 2009-03-27 23:10:48 +0000 | [diff] [blame] | 2408 | /// \brief Called when the parser has parsed a C++ typename |
| 2409 | /// specifier, e.g., "typename T::type". |
| 2410 | /// |
| 2411 | /// \param TypenameLoc the location of the 'typename' keyword |
| 2412 | /// \param SS the nested-name-specifier following the typename (e.g., 'T::'). |
| 2413 | /// \param II the identifier we're retrieving (e.g., 'type' in the example). |
| 2414 | /// \param IdLoc the location of the identifier. |
| 2415 | virtual TypeResult |
| 2416 | ActOnTypenameType(SourceLocation TypenameLoc, const CXXScopeSpec &SS, |
| 2417 | const IdentifierInfo &II, SourceLocation IdLoc); |
Douglas Gregor | 1734317 | 2009-04-01 00:28:59 +0000 | [diff] [blame] | 2418 | |
| 2419 | /// \brief Called when the parser has parsed a C++ typename |
| 2420 | /// specifier that ends in a template-id, e.g., |
| 2421 | /// "typename MetaFun::template apply<T1, T2>". |
| 2422 | /// |
| 2423 | /// \param TypenameLoc the location of the 'typename' keyword |
| 2424 | /// \param SS the nested-name-specifier following the typename (e.g., 'T::'). |
| 2425 | /// \param TemplateLoc the location of the 'template' keyword, if any. |
| 2426 | /// \param Ty the type that the typename specifier refers to. |
| 2427 | virtual TypeResult |
| 2428 | ActOnTypenameType(SourceLocation TypenameLoc, const CXXScopeSpec &SS, |
| 2429 | SourceLocation TemplateLoc, TypeTy *Ty); |
| 2430 | |
Douglas Gregor | d57959a | 2009-03-27 23:10:48 +0000 | [diff] [blame] | 2431 | QualType CheckTypenameType(NestedNameSpecifier *NNS, |
| 2432 | const IdentifierInfo &II, |
| 2433 | SourceRange Range); |
Douglas Gregor | c8ab256 | 2009-05-31 09:31:02 +0000 | [diff] [blame] | 2434 | |
Douglas Gregor | 4a959d8 | 2009-08-06 16:20:37 +0000 | [diff] [blame] | 2435 | QualType RebuildTypeInCurrentInstantiation(QualType T, SourceLocation Loc, |
| 2436 | DeclarationName Name); |
| 2437 | |
Douglas Gregor | f67875d | 2009-06-12 18:26:56 +0000 | [diff] [blame] | 2438 | /// \brief Describes the result of template argument deduction. |
| 2439 | /// |
| 2440 | /// The TemplateDeductionResult enumeration describes the result of |
| 2441 | /// template argument deduction, as returned from |
| 2442 | /// DeduceTemplateArguments(). The separate TemplateDeductionInfo |
| 2443 | /// structure provides additional information about the results of |
| 2444 | /// template argument deduction, e.g., the deduced template argument |
| 2445 | /// list (if successful) or the specific template parameters or |
| 2446 | /// deduced arguments that were involved in the failure. |
| 2447 | enum TemplateDeductionResult { |
| 2448 | /// \brief Template argument deduction was successful. |
| 2449 | TDK_Success = 0, |
| 2450 | /// \brief Template argument deduction exceeded the maximum template |
| 2451 | /// instantiation depth (which has already been diagnosed). |
| 2452 | TDK_InstantiationDepth, |
| 2453 | /// \brief Template argument deduction did not deduce a value |
| 2454 | /// for every template parameter. |
| 2455 | TDK_Incomplete, |
| 2456 | /// \brief Template argument deduction produced inconsistent |
| 2457 | /// deduced values for the given template parameter. |
| 2458 | TDK_Inconsistent, |
| 2459 | /// \brief Template argument deduction failed due to inconsistent |
| 2460 | /// cv-qualifiers on a template parameter type that would |
| 2461 | /// otherwise be deduced, e.g., we tried to deduce T in "const T" |
| 2462 | /// but were given a non-const "X". |
| 2463 | TDK_InconsistentQuals, |
| 2464 | /// \brief Substitution of the deduced template argument values |
| 2465 | /// resulted in an error. |
| 2466 | TDK_SubstitutionFailure, |
| 2467 | /// \brief Substitution of the deduced template argument values |
| 2468 | /// into a non-deduced context produced a type or value that |
| 2469 | /// produces a type that does not match the original template |
| 2470 | /// arguments provided. |
Douglas Gregor | e53060f | 2009-06-25 22:08:12 +0000 | [diff] [blame] | 2471 | TDK_NonDeducedMismatch, |
| 2472 | /// \brief When performing template argument deduction for a function |
| 2473 | /// template, there were too many call arguments. |
| 2474 | TDK_TooManyArguments, |
Douglas Gregor | de0cb8b | 2009-07-07 23:09:34 +0000 | [diff] [blame] | 2475 | /// \brief When performing template argument deduction for a function |
Douglas Gregor | e53060f | 2009-06-25 22:08:12 +0000 | [diff] [blame] | 2476 | /// template, there were too few call arguments. |
Douglas Gregor | 6db8ed4 | 2009-06-30 23:57:56 +0000 | [diff] [blame] | 2477 | TDK_TooFewArguments, |
| 2478 | /// \brief The explicitly-specified template arguments were not valid |
| 2479 | /// template arguments for the given template. |
| 2480 | TDK_InvalidExplicitArguments |
Douglas Gregor | f67875d | 2009-06-12 18:26:56 +0000 | [diff] [blame] | 2481 | }; |
| 2482 | |
| 2483 | /// \brief Provides information about an attempted template argument |
| 2484 | /// deduction, whose success or failure was described by a |
| 2485 | /// TemplateDeductionResult value. |
| 2486 | class TemplateDeductionInfo { |
| 2487 | /// \brief The context in which the template arguments are stored. |
| 2488 | ASTContext &Context; |
| 2489 | |
| 2490 | /// \brief The deduced template argument list. |
| 2491 | /// |
| 2492 | TemplateArgumentList *Deduced; |
| 2493 | |
| 2494 | // do not implement these |
| 2495 | TemplateDeductionInfo(const TemplateDeductionInfo&); |
| 2496 | TemplateDeductionInfo &operator=(const TemplateDeductionInfo&); |
| 2497 | |
| 2498 | public: |
| 2499 | TemplateDeductionInfo(ASTContext &Context) : Context(Context), Deduced(0) { } |
| 2500 | |
| 2501 | ~TemplateDeductionInfo() { |
| 2502 | // FIXME: if (Deduced) Deduced->Destroy(Context); |
| 2503 | } |
| 2504 | |
| 2505 | /// \brief Take ownership of the deduced template argument list. |
| 2506 | TemplateArgumentList *take() { |
| 2507 | TemplateArgumentList *Result = Deduced; |
| 2508 | Deduced = 0; |
| 2509 | return Result; |
| 2510 | } |
| 2511 | |
| 2512 | /// \brief Provide a new template argument list that contains the |
| 2513 | /// results of template argument deduction. |
| 2514 | void reset(TemplateArgumentList *NewDeduced) { |
| 2515 | // FIXME: if (Deduced) Deduced->Destroy(Context); |
| 2516 | Deduced = NewDeduced; |
| 2517 | } |
| 2518 | |
| 2519 | /// \brief The template parameter to which a template argument |
| 2520 | /// deduction failure refers. |
| 2521 | /// |
| 2522 | /// Depending on the result of template argument deduction, this |
| 2523 | /// template parameter may have different meanings: |
| 2524 | /// |
| 2525 | /// TDK_Incomplete: this is the first template parameter whose |
| 2526 | /// corresponding template argument was not deduced. |
| 2527 | /// |
| 2528 | /// TDK_Inconsistent: this is the template parameter for which |
| 2529 | /// two different template argument values were deduced. |
| 2530 | TemplateParameter Param; |
| 2531 | |
| 2532 | /// \brief The first template argument to which the template |
| 2533 | /// argument deduction failure refers. |
| 2534 | /// |
| 2535 | /// Depending on the result of the template argument deduction, |
| 2536 | /// this template argument may have different meanings: |
| 2537 | /// |
| 2538 | /// TDK_Inconsistent: this argument is the first value deduced |
| 2539 | /// for the corresponding template parameter. |
| 2540 | /// |
| 2541 | /// TDK_SubstitutionFailure: this argument is the template |
| 2542 | /// argument we were instantiating when we encountered an error. |
| 2543 | /// |
| 2544 | /// TDK_NonDeducedMismatch: this is the template argument |
| 2545 | /// provided in the source code. |
| 2546 | TemplateArgument FirstArg; |
| 2547 | |
| 2548 | /// \brief The second template argument to which the template |
| 2549 | /// argument deduction failure refers. |
| 2550 | /// |
| 2551 | /// FIXME: Finish documenting this. |
| 2552 | TemplateArgument SecondArg; |
| 2553 | }; |
| 2554 | |
| 2555 | TemplateDeductionResult |
Douglas Gregor | 199d991 | 2009-06-05 00:53:49 +0000 | [diff] [blame] | 2556 | DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial, |
Douglas Gregor | f67875d | 2009-06-12 18:26:56 +0000 | [diff] [blame] | 2557 | const TemplateArgumentList &TemplateArgs, |
| 2558 | TemplateDeductionInfo &Info); |
Douglas Gregor | 83314aa | 2009-07-08 20:55:45 +0000 | [diff] [blame] | 2559 | |
| 2560 | TemplateDeductionResult |
| 2561 | SubstituteExplicitTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| 2562 | const TemplateArgument *ExplicitTemplateArgs, |
| 2563 | unsigned NumExplicitTemplateArgs, |
| 2564 | llvm::SmallVectorImpl<TemplateArgument> &Deduced, |
| 2565 | llvm::SmallVectorImpl<QualType> &ParamTypes, |
| 2566 | QualType *FunctionType, |
| 2567 | TemplateDeductionInfo &Info); |
| 2568 | |
| 2569 | TemplateDeductionResult |
| 2570 | FinishTemplateArgumentDeduction(FunctionTemplateDecl *FunctionTemplate, |
| 2571 | llvm::SmallVectorImpl<TemplateArgument> &Deduced, |
| 2572 | FunctionDecl *&Specialization, |
| 2573 | TemplateDeductionInfo &Info); |
| 2574 | |
Douglas Gregor | e53060f | 2009-06-25 22:08:12 +0000 | [diff] [blame] | 2575 | TemplateDeductionResult |
| 2576 | DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
Douglas Gregor | 6db8ed4 | 2009-06-30 23:57:56 +0000 | [diff] [blame] | 2577 | bool HasExplicitTemplateArgs, |
| 2578 | const TemplateArgument *ExplicitTemplateArgs, |
| 2579 | unsigned NumExplicitTemplateArgs, |
Douglas Gregor | e53060f | 2009-06-25 22:08:12 +0000 | [diff] [blame] | 2580 | Expr **Args, unsigned NumArgs, |
| 2581 | FunctionDecl *&Specialization, |
| 2582 | TemplateDeductionInfo &Info); |
Douglas Gregor | 83314aa | 2009-07-08 20:55:45 +0000 | [diff] [blame] | 2583 | |
| 2584 | TemplateDeductionResult |
| 2585 | DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| 2586 | bool HasExplicitTemplateArgs, |
| 2587 | const TemplateArgument *ExplicitTemplateArgs, |
| 2588 | unsigned NumExplicitTemplateArgs, |
| 2589 | QualType ArgFunctionType, |
| 2590 | FunctionDecl *&Specialization, |
| 2591 | TemplateDeductionInfo &Info); |
Douglas Gregor | e53060f | 2009-06-25 22:08:12 +0000 | [diff] [blame] | 2592 | |
Douglas Gregor | 65ec1fd | 2009-08-21 23:19:43 +0000 | [diff] [blame] | 2593 | TemplateDeductionResult |
| 2594 | DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| 2595 | QualType ToType, |
| 2596 | CXXConversionDecl *&Specialization, |
| 2597 | TemplateDeductionInfo &Info); |
| 2598 | |
| 2599 | FunctionTemplateDecl *getMoreSpecializedTemplate(FunctionTemplateDecl *FT1, |
| 2600 | FunctionTemplateDecl *FT2, |
| 2601 | bool isCallContext); |
| 2602 | |
Douglas Gregor | 031a588 | 2009-06-13 00:26:55 +0000 | [diff] [blame] | 2603 | void MarkDeducedTemplateParameters(const TemplateArgumentList &TemplateArgs, |
| 2604 | llvm::SmallVectorImpl<bool> &Deduced); |
| 2605 | |
Douglas Gregor | 99ebf65 | 2009-02-27 19:31:52 +0000 | [diff] [blame] | 2606 | //===--------------------------------------------------------------------===// |
| 2607 | // C++ Template Instantiation |
| 2608 | // |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2609 | |
Douglas Gregor | 54dabfc | 2009-05-14 23:26:13 +0000 | [diff] [blame] | 2610 | const TemplateArgumentList &getTemplateInstantiationArgs(NamedDecl *D); |
| 2611 | |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2612 | /// \brief A template instantiation that is currently in progress. |
| 2613 | struct ActiveTemplateInstantiation { |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2614 | /// \brief The kind of template instantiation we are performing |
Douglas Gregor | cca9e96 | 2009-07-01 22:01:06 +0000 | [diff] [blame] | 2615 | enum InstantiationKind { |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2616 | /// We are instantiating a template declaration. The entity is |
Douglas Gregor | b9f1b8d | 2009-05-15 00:01:03 +0000 | [diff] [blame] | 2617 | /// the declaration we're instantiating (e.g., a CXXRecordDecl). |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2618 | TemplateInstantiation, |
| 2619 | |
| 2620 | /// We are instantiating a default argument for a template |
| 2621 | /// parameter. The Entity is the template, and |
| 2622 | /// TemplateArgs/NumTemplateArguments provides the template |
| 2623 | /// arguments as specified. |
Douglas Gregor | 637a409 | 2009-06-10 23:47:09 +0000 | [diff] [blame] | 2624 | /// FIXME: Use a TemplateArgumentList |
| 2625 | DefaultTemplateArgumentInstantiation, |
| 2626 | |
Douglas Gregor | cca9e96 | 2009-07-01 22:01:06 +0000 | [diff] [blame] | 2627 | /// We are substituting explicit template arguments provided for |
| 2628 | /// a function template. The entity is a FunctionTemplateDecl. |
| 2629 | ExplicitTemplateArgumentSubstitution, |
| 2630 | |
| 2631 | /// We are substituting template argument determined as part of |
| 2632 | /// template argument deduction for either a class template |
| 2633 | /// partial specialization or a function template. The |
| 2634 | /// Entity is either a ClassTemplatePartialSpecializationDecl or |
| 2635 | /// a FunctionTemplateDecl. |
| 2636 | DeducedTemplateArgumentSubstitution |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2637 | } Kind; |
| 2638 | |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2639 | /// \brief The point of instantiation within the source code. |
| 2640 | SourceLocation PointOfInstantiation; |
| 2641 | |
| 2642 | /// \brief The entity that is being instantiated. |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2643 | uintptr_t Entity; |
| 2644 | |
| 2645 | // \brief If this the instantiation of a default template |
Douglas Gregor | 7e06390 | 2009-05-11 23:53:27 +0000 | [diff] [blame] | 2646 | // argument, the list of template arguments. |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2647 | const TemplateArgument *TemplateArgs; |
| 2648 | |
| 2649 | /// \brief The number of template arguments in TemplateArgs. |
| 2650 | unsigned NumTemplateArgs; |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2651 | |
| 2652 | /// \brief The source range that covers the construct that cause |
| 2653 | /// the instantiation, e.g., the template-id that causes a class |
| 2654 | /// template instantiation. |
| 2655 | SourceRange InstantiationRange; |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2656 | |
Eli Friedman | 2ebcc6b | 2009-08-15 22:50:33 +0000 | [diff] [blame] | 2657 | ActiveTemplateInstantiation() : Kind(TemplateInstantiation), Entity(0), |
| 2658 | TemplateArgs(0), NumTemplateArgs(0) {} |
| 2659 | |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2660 | friend bool operator==(const ActiveTemplateInstantiation &X, |
| 2661 | const ActiveTemplateInstantiation &Y) { |
| 2662 | if (X.Kind != Y.Kind) |
| 2663 | return false; |
| 2664 | |
| 2665 | if (X.Entity != Y.Entity) |
| 2666 | return false; |
| 2667 | |
| 2668 | switch (X.Kind) { |
| 2669 | case TemplateInstantiation: |
| 2670 | return true; |
| 2671 | |
| 2672 | case DefaultTemplateArgumentInstantiation: |
Douglas Gregor | cca9e96 | 2009-07-01 22:01:06 +0000 | [diff] [blame] | 2673 | case ExplicitTemplateArgumentSubstitution: |
| 2674 | case DeducedTemplateArgumentSubstitution: |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2675 | return X.TemplateArgs == Y.TemplateArgs; |
| 2676 | } |
| 2677 | |
| 2678 | return true; |
| 2679 | } |
| 2680 | |
| 2681 | friend bool operator!=(const ActiveTemplateInstantiation &X, |
| 2682 | const ActiveTemplateInstantiation &Y) { |
| 2683 | return !(X == Y); |
| 2684 | } |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2685 | }; |
| 2686 | |
| 2687 | /// \brief List of active template instantiations. |
| 2688 | /// |
| 2689 | /// This vector is treated as a stack. As one template instantiation |
| 2690 | /// requires another template instantiation, additional |
| 2691 | /// instantiations are pushed onto the stack up to a |
| 2692 | /// user-configurable limit LangOptions::InstantiationDepth. |
| 2693 | llvm::SmallVector<ActiveTemplateInstantiation, 16> |
| 2694 | ActiveTemplateInstantiations; |
| 2695 | |
Douglas Gregor | 27b152f | 2009-03-10 18:52:44 +0000 | [diff] [blame] | 2696 | /// \brief The last template from which a template instantiation |
| 2697 | /// error or warning was produced. |
| 2698 | /// |
| 2699 | /// This value is used to suppress printing of redundant template |
| 2700 | /// instantiation backtraces when there are multiple errors in the |
| 2701 | /// same instantiation. FIXME: Does this belong in Sema? It's tough |
| 2702 | /// to implement it anywhere else. |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2703 | ActiveTemplateInstantiation LastTemplateInstantiationErrorContext; |
Douglas Gregor | 27b152f | 2009-03-10 18:52:44 +0000 | [diff] [blame] | 2704 | |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2705 | /// \brief A stack object to be created when performing template |
| 2706 | /// instantiation. |
| 2707 | /// |
| 2708 | /// Construction of an object of type \c InstantiatingTemplate |
| 2709 | /// pushes the current instantiation onto the stack of active |
| 2710 | /// instantiations. If the size of this stack exceeds the maximum |
| 2711 | /// number of recursive template instantiations, construction |
| 2712 | /// produces an error and evaluates true. |
| 2713 | /// |
| 2714 | /// Destruction of this object will pop the named instantiation off |
| 2715 | /// the stack. |
| 2716 | struct InstantiatingTemplate { |
Douglas Gregor | f3e7ce4 | 2009-05-18 17:01:57 +0000 | [diff] [blame] | 2717 | /// \brief Note that we are instantiating a class template, |
| 2718 | /// function template, or a member thereof. |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2719 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
Douglas Gregor | f3e7ce4 | 2009-05-18 17:01:57 +0000 | [diff] [blame] | 2720 | Decl *Entity, |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2721 | SourceRange InstantiationRange = SourceRange()); |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2722 | |
| 2723 | /// \brief Note that we are instantiating a default argument in a |
| 2724 | /// template-id. |
| 2725 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| 2726 | TemplateDecl *Template, |
| 2727 | const TemplateArgument *TemplateArgs, |
| 2728 | unsigned NumTemplateArgs, |
| 2729 | SourceRange InstantiationRange = SourceRange()); |
| 2730 | |
Douglas Gregor | cca9e96 | 2009-07-01 22:01:06 +0000 | [diff] [blame] | 2731 | /// \brief Note that we are instantiating a default argument in a |
| 2732 | /// template-id. |
| 2733 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| 2734 | FunctionTemplateDecl *FunctionTemplate, |
| 2735 | const TemplateArgument *TemplateArgs, |
| 2736 | unsigned NumTemplateArgs, |
| 2737 | ActiveTemplateInstantiation::InstantiationKind Kind, |
| 2738 | SourceRange InstantiationRange = SourceRange()); |
| 2739 | |
Douglas Gregor | 637a409 | 2009-06-10 23:47:09 +0000 | [diff] [blame] | 2740 | /// \brief Note that we are instantiating as part of template |
| 2741 | /// argument deduction for a class template partial |
| 2742 | /// specialization. |
| 2743 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| 2744 | ClassTemplatePartialSpecializationDecl *PartialSpec, |
| 2745 | const TemplateArgument *TemplateArgs, |
| 2746 | unsigned NumTemplateArgs, |
| 2747 | SourceRange InstantiationRange = SourceRange()); |
| 2748 | |
Douglas Gregor | f3e7ce4 | 2009-05-18 17:01:57 +0000 | [diff] [blame] | 2749 | /// \brief Note that we have finished instantiating this template. |
| 2750 | void Clear(); |
| 2751 | |
| 2752 | ~InstantiatingTemplate() { Clear(); } |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2753 | |
| 2754 | /// \brief Determines whether we have exceeded the maximum |
| 2755 | /// recursive template instantiations. |
| 2756 | operator bool() const { return Invalid; } |
| 2757 | |
| 2758 | private: |
| 2759 | Sema &SemaRef; |
| 2760 | bool Invalid; |
| 2761 | |
Douglas Gregor | df667e7 | 2009-03-10 20:44:00 +0000 | [diff] [blame] | 2762 | bool CheckInstantiationDepth(SourceLocation PointOfInstantiation, |
| 2763 | SourceRange InstantiationRange); |
| 2764 | |
Douglas Gregor | 26dce44 | 2009-03-10 00:06:19 +0000 | [diff] [blame] | 2765 | InstantiatingTemplate(const InstantiatingTemplate&); // not implemented |
| 2766 | |
| 2767 | InstantiatingTemplate& |
| 2768 | operator=(const InstantiatingTemplate&); // not implemented |
| 2769 | }; |
| 2770 | |
Douglas Gregor | ee1828a | 2009-03-10 18:03:33 +0000 | [diff] [blame] | 2771 | void PrintInstantiationStack(); |
| 2772 | |
Douglas Gregor | 5e9f35c | 2009-06-14 07:33:30 +0000 | [diff] [blame] | 2773 | /// \brief Determines whether we are currently in a context where |
| 2774 | /// template argument substitution failures are not considered |
| 2775 | /// errors. |
| 2776 | /// |
| 2777 | /// When this routine returns true, the emission of most diagnostics |
| 2778 | /// will be suppressed and there will be no local error recovery. |
| 2779 | bool isSFINAEContext() const; |
| 2780 | |
Douglas Gregor | bb26041 | 2009-06-14 08:02:22 +0000 | [diff] [blame] | 2781 | /// \brief RAII class used to determine whether SFINAE has |
| 2782 | /// trapped any errors that occur during template argument |
| 2783 | /// deduction. |
| 2784 | class SFINAETrap { |
| 2785 | Sema &SemaRef; |
| 2786 | unsigned PrevSFINAEErrors; |
| 2787 | public: |
| 2788 | explicit SFINAETrap(Sema &SemaRef) |
| 2789 | : SemaRef(SemaRef), PrevSFINAEErrors(SemaRef.NumSFINAEErrors) { } |
| 2790 | |
| 2791 | ~SFINAETrap() { SemaRef.NumSFINAEErrors = PrevSFINAEErrors; } |
| 2792 | |
| 2793 | /// \brief Determine whether any SFINAE errors have been trapped. |
| 2794 | bool hasErrorOccurred() const { |
| 2795 | return SemaRef.NumSFINAEErrors > PrevSFINAEErrors; |
| 2796 | } |
| 2797 | }; |
| 2798 | |
Douglas Gregor | 48dd19b | 2009-05-14 21:44:34 +0000 | [diff] [blame] | 2799 | /// \brief A stack-allocated class that identifies which local |
| 2800 | /// variable declaration instantiations are present in this scope. |
| 2801 | /// |
| 2802 | /// A new instance of this class type will be created whenever we |
| 2803 | /// instantiate a new function declaration, which will have its own |
| 2804 | /// set of parameter declarations. |
| 2805 | class LocalInstantiationScope { |
| 2806 | /// \brief Reference to the semantic analysis that is performing |
| 2807 | /// this template instantiation. |
| 2808 | Sema &SemaRef; |
| 2809 | |
Douglas Gregor | 815215d | 2009-05-27 05:35:12 +0000 | [diff] [blame] | 2810 | /// \brief A mapping from local declarations that occur |
Douglas Gregor | 48dd19b | 2009-05-14 21:44:34 +0000 | [diff] [blame] | 2811 | /// within a template to their instantiations. |
| 2812 | /// |
| 2813 | /// This mapping is used during instantiation to keep track of, |
| 2814 | /// e.g., function parameter and variable declarations. For example, |
| 2815 | /// given: |
| 2816 | /// |
| 2817 | /// \code |
| 2818 | /// template<typename T> T add(T x, T y) { return x + y; } |
| 2819 | /// \endcode |
| 2820 | /// |
| 2821 | /// when we instantiate add<int>, we will introduce a mapping from |
| 2822 | /// the ParmVarDecl for 'x' that occurs in the template to the |
| 2823 | /// instantiated ParmVarDecl for 'x'. |
Douglas Gregor | 815215d | 2009-05-27 05:35:12 +0000 | [diff] [blame] | 2824 | llvm::DenseMap<const Decl *, Decl *> LocalDecls; |
Douglas Gregor | 48dd19b | 2009-05-14 21:44:34 +0000 | [diff] [blame] | 2825 | |
| 2826 | /// \brief The outer scope, in which contains local variable |
| 2827 | /// definitions from some other instantiation (that is not |
| 2828 | /// relevant to this particular scope). |
| 2829 | LocalInstantiationScope *Outer; |
| 2830 | |
| 2831 | // This class is non-copyable |
| 2832 | LocalInstantiationScope(const LocalInstantiationScope &); |
| 2833 | LocalInstantiationScope &operator=(const LocalInstantiationScope &); |
| 2834 | |
| 2835 | public: |
| 2836 | LocalInstantiationScope(Sema &SemaRef) |
| 2837 | : SemaRef(SemaRef), Outer(SemaRef.CurrentInstantiationScope) { |
| 2838 | SemaRef.CurrentInstantiationScope = this; |
| 2839 | } |
| 2840 | |
| 2841 | ~LocalInstantiationScope() { |
| 2842 | SemaRef.CurrentInstantiationScope = Outer; |
| 2843 | } |
| 2844 | |
Douglas Gregor | 815215d | 2009-05-27 05:35:12 +0000 | [diff] [blame] | 2845 | Decl *getInstantiationOf(const Decl *D) { |
| 2846 | Decl *Result = LocalDecls[D]; |
| 2847 | assert(Result && "declaration was not instantiated in this scope!"); |
Douglas Gregor | 48dd19b | 2009-05-14 21:44:34 +0000 | [diff] [blame] | 2848 | return Result; |
| 2849 | } |
| 2850 | |
Douglas Gregor | 815215d | 2009-05-27 05:35:12 +0000 | [diff] [blame] | 2851 | VarDecl *getInstantiationOf(const VarDecl *Var) { |
| 2852 | return cast<VarDecl>(getInstantiationOf(cast<Decl>(Var))); |
Douglas Gregor | 48dd19b | 2009-05-14 21:44:34 +0000 | [diff] [blame] | 2853 | } |
| 2854 | |
Douglas Gregor | 815215d | 2009-05-27 05:35:12 +0000 | [diff] [blame] | 2855 | ParmVarDecl *getInstantiationOf(const ParmVarDecl *Var) { |
| 2856 | return cast<ParmVarDecl>(getInstantiationOf(cast<Decl>(Var))); |
| 2857 | } |
| 2858 | |
| 2859 | void InstantiatedLocal(const Decl *D, Decl *Inst) { |
| 2860 | Decl *&Stored = LocalDecls[D]; |
| 2861 | assert(!Stored && "Already instantiated this local"); |
| 2862 | Stored = Inst; |
Douglas Gregor | 48dd19b | 2009-05-14 21:44:34 +0000 | [diff] [blame] | 2863 | } |
| 2864 | }; |
| 2865 | |
| 2866 | /// \brief The current instantiation scope used to store local |
| 2867 | /// variables. |
| 2868 | LocalInstantiationScope *CurrentInstantiationScope; |
| 2869 | |
Douglas Gregor | d7f37bf | 2009-06-22 23:06:13 +0000 | [diff] [blame] | 2870 | /// \brief An entity for which implicit template instantiation is required. |
| 2871 | /// |
| 2872 | /// The source location associated with the declaration is the first place in |
| 2873 | /// the source code where the declaration was "used". It is not necessarily |
| 2874 | /// the point of instantiation (which will be either before or after the |
| 2875 | /// namespace-scope declaration that triggered this implicit instantiation), |
| 2876 | /// However, it is the location that diagnostics should generally refer to, |
| 2877 | /// because users will need to know what code triggered the instantiation. |
| 2878 | typedef std::pair<ValueDecl *, SourceLocation> PendingImplicitInstantiation; |
| 2879 | |
| 2880 | /// \brief The queue of implicit template instantiations that are required |
| 2881 | /// but have not yet been performed. |
Douglas Gregor | b33fe2f | 2009-06-30 17:20:14 +0000 | [diff] [blame] | 2882 | std::deque<PendingImplicitInstantiation> PendingImplicitInstantiations; |
Douglas Gregor | d7f37bf | 2009-06-22 23:06:13 +0000 | [diff] [blame] | 2883 | |
| 2884 | void PerformPendingImplicitInstantiations(); |
| 2885 | |
John McCall | ce3ff2b | 2009-08-25 22:02:44 +0000 | [diff] [blame] | 2886 | QualType SubstType(QualType T, const TemplateArgumentList &TemplateArgs, |
| 2887 | SourceLocation Loc, DeclarationName Entity); |
Douglas Gregor | 199d991 | 2009-06-05 00:53:49 +0000 | [diff] [blame] | 2888 | |
John McCall | ce3ff2b | 2009-08-25 22:02:44 +0000 | [diff] [blame] | 2889 | OwningExprResult SubstExpr(Expr *E, const TemplateArgumentList &TemplateArgs); |
Douglas Gregor | a0e500d | 2009-03-12 16:53:44 +0000 | [diff] [blame] | 2890 | |
John McCall | ce3ff2b | 2009-08-25 22:02:44 +0000 | [diff] [blame] | 2891 | OwningStmtResult SubstStmt(Stmt *S, const TemplateArgumentList &TemplateArgs); |
Douglas Gregor | 54dabfc | 2009-05-14 23:26:13 +0000 | [diff] [blame] | 2892 | |
John McCall | ce3ff2b | 2009-08-25 22:02:44 +0000 | [diff] [blame] | 2893 | Decl *SubstDecl(Decl *D, DeclContext *Owner, |
| 2894 | const TemplateArgumentList &TemplateArgs); |
Douglas Gregor | 8dbc269 | 2009-03-17 21:15:40 +0000 | [diff] [blame] | 2895 | |
Douglas Gregor | 2943aed | 2009-03-03 04:44:36 +0000 | [diff] [blame] | 2896 | bool |
John McCall | ce3ff2b | 2009-08-25 22:02:44 +0000 | [diff] [blame] | 2897 | SubstBaseSpecifiers(CXXRecordDecl *Instantiation, |
| 2898 | CXXRecordDecl *Pattern, |
| 2899 | const TemplateArgumentList &TemplateArgs); |
Douglas Gregor | d475b8d | 2009-03-25 21:17:03 +0000 | [diff] [blame] | 2900 | |
| 2901 | bool |
John McCall | e29ba20 | 2009-08-20 01:44:21 +0000 | [diff] [blame] | 2902 | InstantiateTemplatePattern(SourceLocation PointOfInstantiation, |
| 2903 | CXXRecordDecl *Pattern); |
| 2904 | |
| 2905 | bool |
Douglas Gregor | d475b8d | 2009-03-25 21:17:03 +0000 | [diff] [blame] | 2906 | InstantiateClass(SourceLocation PointOfInstantiation, |
| 2907 | CXXRecordDecl *Instantiation, CXXRecordDecl *Pattern, |
Douglas Gregor | 93dfdb1 | 2009-05-13 00:25:59 +0000 | [diff] [blame] | 2908 | const TemplateArgumentList &TemplateArgs, |
Douglas Gregor | 5842ba9 | 2009-08-24 15:23:48 +0000 | [diff] [blame] | 2909 | bool ExplicitInstantiation, |
| 2910 | bool Complain = true); |
Douglas Gregor | d475b8d | 2009-03-25 21:17:03 +0000 | [diff] [blame] | 2911 | |
Douglas Gregor | 2943aed | 2009-03-03 04:44:36 +0000 | [diff] [blame] | 2912 | bool |
| 2913 | InstantiateClassTemplateSpecialization( |
| 2914 | ClassTemplateSpecializationDecl *ClassTemplateSpec, |
Douglas Gregor | 5842ba9 | 2009-08-24 15:23:48 +0000 | [diff] [blame] | 2915 | bool ExplicitInstantiation, bool Complain = true); |
Douglas Gregor | 99ebf65 | 2009-02-27 19:31:52 +0000 | [diff] [blame] | 2916 | |
Douglas Gregor | a58861f | 2009-05-13 20:28:22 +0000 | [diff] [blame] | 2917 | void InstantiateClassMembers(SourceLocation PointOfInstantiation, |
| 2918 | CXXRecordDecl *Instantiation, |
| 2919 | const TemplateArgumentList &TemplateArgs); |
| 2920 | |
| 2921 | void InstantiateClassTemplateSpecializationMembers( |
| 2922 | SourceLocation PointOfInstantiation, |
| 2923 | ClassTemplateSpecializationDecl *ClassTemplateSpec); |
| 2924 | |
Douglas Gregor | ab452ba | 2009-03-26 23:50:42 +0000 | [diff] [blame] | 2925 | NestedNameSpecifier * |
John McCall | ce3ff2b | 2009-08-25 22:02:44 +0000 | [diff] [blame] | 2926 | SubstNestedNameSpecifier(NestedNameSpecifier *NNS, |
| 2927 | SourceRange Range, |
| 2928 | const TemplateArgumentList &TemplateArgs); |
Douglas Gregor | 5953d8b | 2009-03-19 17:26:29 +0000 | [diff] [blame] | 2929 | |
Douglas Gregor | de650ae | 2009-03-31 18:38:02 +0000 | [diff] [blame] | 2930 | TemplateName |
John McCall | ce3ff2b | 2009-08-25 22:02:44 +0000 | [diff] [blame] | 2931 | SubstTemplateName(TemplateName Name, SourceLocation Loc, |
| 2932 | const TemplateArgumentList &TemplateArgs); |
| 2933 | TemplateArgument Subst(TemplateArgument Arg, |
| 2934 | const TemplateArgumentList &TemplateArgs); |
Douglas Gregor | de650ae | 2009-03-31 18:38:02 +0000 | [diff] [blame] | 2935 | |
Douglas Gregor | f3e7ce4 | 2009-05-18 17:01:57 +0000 | [diff] [blame] | 2936 | void InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, |
Douglas Gregor | b33fe2f | 2009-06-30 17:20:14 +0000 | [diff] [blame] | 2937 | FunctionDecl *Function, |
| 2938 | bool Recursive = false); |
Douglas Gregor | 7caa682 | 2009-07-24 20:34:43 +0000 | [diff] [blame] | 2939 | void InstantiateStaticDataMemberDefinition( |
John McCall | ce3ff2b | 2009-08-25 22:02:44 +0000 | [diff] [blame] | 2940 | SourceLocation PointOfInstantiation, |
| 2941 | VarDecl *Var, |
| 2942 | bool Recursive = false); |
Douglas Gregor | a58861f | 2009-05-13 20:28:22 +0000 | [diff] [blame] | 2943 | |
John McCall | ce3ff2b | 2009-08-25 22:02:44 +0000 | [diff] [blame] | 2944 | NamedDecl *FindInstantiatedDecl(NamedDecl *D); |
Douglas Gregor | d7f37bf | 2009-06-22 23:06:13 +0000 | [diff] [blame] | 2945 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 2946 | // Objective-C declarations. |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2947 | virtual DeclPtrTy ActOnStartClassInterface(SourceLocation AtInterfaceLoc, |
| 2948 | IdentifierInfo *ClassName, |
| 2949 | SourceLocation ClassLoc, |
| 2950 | IdentifierInfo *SuperName, |
| 2951 | SourceLocation SuperLoc, |
| 2952 | const DeclPtrTy *ProtoRefs, |
| 2953 | unsigned NumProtoRefs, |
| 2954 | SourceLocation EndProtoLoc, |
| 2955 | AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 2956 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2957 | virtual DeclPtrTy ActOnCompatiblityAlias( |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 2958 | SourceLocation AtCompatibilityAliasLoc, |
| 2959 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 2960 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 61d6852 | 2009-03-05 15:22:01 +0000 | [diff] [blame] | 2961 | |
| 2962 | void CheckForwardProtocolDeclarationForCircularDependency( |
| 2963 | IdentifierInfo *PName, |
| 2964 | SourceLocation &PLoc, SourceLocation PrevLoc, |
| 2965 | const ObjCList<ObjCProtocolDecl> &PList); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 2966 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2967 | virtual DeclPtrTy ActOnStartProtocolInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 2968 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 2969 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2970 | const DeclPtrTy *ProtoRefNames, unsigned NumProtoRefs, |
Daniel Dunbar | 246e70f | 2008-09-26 04:48:09 +0000 | [diff] [blame] | 2971 | SourceLocation EndProtoLoc, |
| 2972 | AttributeList *AttrList); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 2973 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2974 | virtual DeclPtrTy ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc, |
| 2975 | IdentifierInfo *ClassName, |
| 2976 | SourceLocation ClassLoc, |
| 2977 | IdentifierInfo *CategoryName, |
| 2978 | SourceLocation CategoryLoc, |
| 2979 | const DeclPtrTy *ProtoRefs, |
| 2980 | unsigned NumProtoRefs, |
| 2981 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 2982 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2983 | virtual DeclPtrTy ActOnStartClassImplementation( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 2984 | SourceLocation AtClassImplLoc, |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 2985 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 2986 | IdentifierInfo *SuperClassname, |
| 2987 | SourceLocation SuperClassLoc); |
| 2988 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2989 | virtual DeclPtrTy ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 2990 | SourceLocation AtCatImplLoc, |
| 2991 | IdentifierInfo *ClassName, |
| 2992 | SourceLocation ClassLoc, |
| 2993 | IdentifierInfo *CatName, |
| 2994 | SourceLocation CatLoc); |
| 2995 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 2996 | virtual DeclPtrTy ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 2997 | IdentifierInfo **IdentList, |
| 2998 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 2999 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 3000 | virtual DeclPtrTy ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 3001 | const IdentifierLocPair *IdentList, |
Fariborz Jahanian | bc1c877 | 2008-12-17 01:07:27 +0000 | [diff] [blame] | 3002 | unsigned NumElts, |
| 3003 | AttributeList *attrList); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 3004 | |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 3005 | virtual void FindProtocolDeclaration(bool WarnOnDeclarations, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 3006 | const IdentifierLocPair *ProtocolId, |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 3007 | unsigned NumProtocols, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 3008 | llvm::SmallVectorImpl<DeclPtrTy> &Protocols); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 3009 | |
Daniel Dunbar | 95e61fb | 2008-09-23 21:53:23 +0000 | [diff] [blame] | 3010 | /// Ensure attributes are consistent with type. |
| 3011 | /// \param [in, out] Attributes The attributes to check; they will |
| 3012 | /// be modified to be consistent with \arg PropertyTy. |
| 3013 | void CheckObjCPropertyAttributes(QualType PropertyTy, |
| 3014 | SourceLocation Loc, |
| 3015 | unsigned &Attributes); |
Steve Naroff | 0701bbb | 2009-01-08 17:28:14 +0000 | [diff] [blame] | 3016 | void ProcessPropertyDecl(ObjCPropertyDecl *property, ObjCContainerDecl *DC); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 3017 | void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| 3018 | ObjCPropertyDecl *SuperProperty, |
Chris Lattner | 8ec03f5 | 2008-11-24 03:54:41 +0000 | [diff] [blame] | 3019 | const IdentifierInfo *Name); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 3020 | void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | b5e0224 | 2008-04-24 19:58:34 +0000 | [diff] [blame] | 3021 | |
Fariborz Jahanian | dbdec8b | 2009-08-04 01:07:16 +0000 | [diff] [blame] | 3022 | void CompareMethodParamsInBaseAndSuper(Decl *IDecl, |
| 3023 | ObjCMethodDecl *MethodDecl, |
| 3024 | bool IsInstance); |
| 3025 | |
Fariborz Jahanian | 1ac2bc4 | 2008-12-06 23:03:39 +0000 | [diff] [blame] | 3026 | void MergeProtocolPropertiesIntoClass(Decl *CDecl, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 3027 | DeclPtrTy MergeProtocols); |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 3028 | |
Fariborz Jahanian | b7f95f5 | 2009-03-02 19:05:07 +0000 | [diff] [blame] | 3029 | void DiagnoseClassExtensionDupMethods(ObjCCategoryDecl *CAT, |
| 3030 | ObjCInterfaceDecl *ID); |
| 3031 | |
Fariborz Jahanian | 1ac2bc4 | 2008-12-06 23:03:39 +0000 | [diff] [blame] | 3032 | void MergeOneProtocolPropertiesIntoClass(Decl *CDecl, |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 3033 | ObjCProtocolDecl *PDecl); |
| 3034 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 3035 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclPtrTy classDecl, |
| 3036 | DeclPtrTy *allMethods = 0, unsigned allNum = 0, |
| 3037 | DeclPtrTy *allProperties = 0, unsigned pNum = 0, |
Chris Lattner | 682bf92 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 3038 | DeclGroupPtrTy *allTUVars = 0, unsigned tuvNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 3039 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 3040 | virtual DeclPtrTy ActOnProperty(Scope *S, SourceLocation AtLoc, |
| 3041 | FieldDeclarator &FD, ObjCDeclSpec &ODS, |
| 3042 | Selector GetterSel, Selector SetterSel, |
| 3043 | DeclPtrTy ClassCategory, |
| 3044 | bool *OverridingProperty, |
| 3045 | tok::ObjCKeywordKind MethodImplKind); |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 3046 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 3047 | virtual DeclPtrTy ActOnPropertyImplDecl(SourceLocation AtLoc, |
| 3048 | SourceLocation PropertyLoc, |
| 3049 | bool ImplKind,DeclPtrTy ClassImplDecl, |
| 3050 | IdentifierInfo *PropertyId, |
| 3051 | IdentifierInfo *PropertyIvar); |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 3052 | |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 3053 | virtual DeclPtrTy ActOnMethodDeclaration( |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 3054 | SourceLocation BeginLoc, // location of the + or -. |
| 3055 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 3056 | tok::TokenKind MethodType, |
Chris Lattner | b28317a | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 3057 | DeclPtrTy ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 3058 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 3059 | // optional arguments. The number of types/arguments is obtained |
| 3060 | // from the Sel.getNumArgs(). |
Chris Lattner | e294d3f | 2009-04-11 18:57:04 +0000 | [diff] [blame] | 3061 | ObjCArgInfo *ArgInfo, |
Fariborz Jahanian | 439c658 | 2009-01-09 00:38:19 +0000 | [diff] [blame] | 3062 | llvm::SmallVectorImpl<Declarator> &Cdecls, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 3063 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 3064 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 3065 | |
Steve Naroff | f1afaf6 | 2009-02-26 15:55:06 +0000 | [diff] [blame] | 3066 | // Helper method for ActOnClassMethod/ActOnInstanceMethod. |
| 3067 | // Will search "local" class/category implementations for a method decl. |
Fariborz Jahanian | 175ba1e | 2009-03-04 18:15:57 +0000 | [diff] [blame] | 3068 | // Will also search in class's root looking for instance method. |
Steve Naroff | f1afaf6 | 2009-02-26 15:55:06 +0000 | [diff] [blame] | 3069 | // Returns 0 if no method is found. |
Steve Naroff | 5609ec0 | 2009-03-08 18:56:13 +0000 | [diff] [blame] | 3070 | ObjCMethodDecl *LookupPrivateClassMethod(Selector Sel, |
| 3071 | ObjCInterfaceDecl *CDecl); |
| 3072 | ObjCMethodDecl *LookupPrivateInstanceMethod(Selector Sel, |
| 3073 | ObjCInterfaceDecl *ClassDecl); |
Steve Naroff | f1afaf6 | 2009-02-26 15:55:06 +0000 | [diff] [blame] | 3074 | |
Steve Naroff | 61f72cb | 2009-03-09 21:12:44 +0000 | [diff] [blame] | 3075 | virtual OwningExprResult ActOnClassPropertyRefExpr( |
| 3076 | IdentifierInfo &receiverName, |
| 3077 | IdentifierInfo &propertyName, |
| 3078 | SourceLocation &receiverNameLoc, |
| 3079 | SourceLocation &propertyNameLoc); |
| 3080 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 3081 | // ActOnClassMessage - used for both unary and keyword messages. |
| 3082 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 3083 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 3084 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 3085 | Scope *S, |
Anders Carlsson | ff975cf | 2009-02-14 18:21:46 +0000 | [diff] [blame] | 3086 | IdentifierInfo *receivingClassName, Selector Sel, SourceLocation lbrac, |
| 3087 | SourceLocation receiverLoc, SourceLocation selectorLoc,SourceLocation rbrac, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 3088 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 3089 | |
| 3090 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 3091 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 3092 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 3093 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 3094 | ExprTy *receiver, Selector Sel, |
Anders Carlsson | ff975cf | 2009-02-14 18:21:46 +0000 | [diff] [blame] | 3095 | SourceLocation lbrac, SourceLocation receiverLoc, SourceLocation rbrac, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 3096 | ExprTy **ArgExprs, unsigned NumArgs); |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 3097 | |
| 3098 | /// ActOnPragmaPack - Called on well formed #pragma pack(...). |
| 3099 | virtual void ActOnPragmaPack(PragmaPackKind Kind, |
| 3100 | IdentifierInfo *Name, |
| 3101 | ExprTy *Alignment, |
| 3102 | SourceLocation PragmaLoc, |
| 3103 | SourceLocation LParenLoc, |
| 3104 | SourceLocation RParenLoc); |
Chris Lattner | 574aa40 | 2009-02-17 01:09:29 +0000 | [diff] [blame] | 3105 | |
Ted Kremenek | 4726d03 | 2009-03-23 22:28:25 +0000 | [diff] [blame] | 3106 | /// ActOnPragmaUnused - Called on well-formed '#pragma unused'. |
Ted Kremenek | 7a02a37 | 2009-08-03 23:24:57 +0000 | [diff] [blame] | 3107 | virtual void ActOnPragmaUnused(const Token *Identifiers, |
| 3108 | unsigned NumIdentifiers, Scope *curScope, |
Ted Kremenek | 4726d03 | 2009-03-23 22:28:25 +0000 | [diff] [blame] | 3109 | SourceLocation PragmaLoc, |
| 3110 | SourceLocation LParenLoc, |
| 3111 | SourceLocation RParenLoc); |
Eli Friedman | c49f19b | 2009-06-05 02:44:36 +0000 | [diff] [blame] | 3112 | |
Ryan Flynn | 7b1fdbd | 2009-07-31 02:52:19 +0000 | [diff] [blame] | 3113 | NamedDecl *DeclClonePragmaWeak(NamedDecl *ND, IdentifierInfo *II); |
| 3114 | void DeclApplyPragmaWeak(Scope *S, NamedDecl *ND, WeakInfo &W); |
Ryan Flynn | e25ff83 | 2009-07-30 03:15:39 +0000 | [diff] [blame] | 3115 | |
Eli Friedman | dec7c76 | 2009-06-05 06:28:29 +0000 | [diff] [blame] | 3116 | /// ActOnPragmaWeakID - Called on well formed #pragma weak ident. |
Eli Friedman | c49f19b | 2009-06-05 02:44:36 +0000 | [diff] [blame] | 3117 | virtual void ActOnPragmaWeakID(IdentifierInfo* WeakName, |
| 3118 | SourceLocation PragmaLoc, |
| 3119 | SourceLocation WeakNameLoc); |
| 3120 | |
Eli Friedman | dec7c76 | 2009-06-05 06:28:29 +0000 | [diff] [blame] | 3121 | /// ActOnPragmaWeakAlias - Called on well formed #pragma weak ident = ident. |
Eli Friedman | c49f19b | 2009-06-05 02:44:36 +0000 | [diff] [blame] | 3122 | virtual void ActOnPragmaWeakAlias(IdentifierInfo* WeakName, |
| 3123 | IdentifierInfo* AliasName, |
| 3124 | SourceLocation PragmaLoc, |
| 3125 | SourceLocation WeakNameLoc, |
| 3126 | SourceLocation AliasNameLoc); |
| 3127 | |
Chris Lattner | 574aa40 | 2009-02-17 01:09:29 +0000 | [diff] [blame] | 3128 | /// getPragmaPackAlignment() - Return the current alignment as specified by |
| 3129 | /// the current #pragma pack directive, or 0 if none is currently active. |
| 3130 | unsigned getPragmaPackAlignment() const; |
| 3131 | |
| 3132 | /// FreePackedContext - Deallocate and null out PackContext. |
| 3133 | void FreePackedContext(); |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 3134 | |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 3135 | /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| 3136 | /// 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] | 3137 | /// If isLvalue, the result of the cast is an lvalue. |
Anders Carlsson | 3503d04 | 2009-07-31 01:23:52 +0000 | [diff] [blame] | 3138 | void ImpCastExprToType(Expr *&Expr, QualType Type, |
Anders Carlsson | bd0fb30 | 2009-08-10 21:30:22 +0000 | [diff] [blame] | 3139 | const CastExpr::CastInfo &Info = |
| 3140 | CastExpr::CastInfo(CastExpr::CK_Unknown), |
Anders Carlsson | 3503d04 | 2009-07-31 01:23:52 +0000 | [diff] [blame] | 3141 | bool isLvalue = false); |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 3142 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3143 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 3144 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 3145 | Expr *UsualUnaryConversions(Expr *&expr); |
Eli Friedman | 3c0eb16 | 2008-05-27 03:33:27 +0000 | [diff] [blame] | 3146 | |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 3147 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 3148 | // to their respective pointers (C99 6.3.2.1). |
| 3149 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 3150 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 3151 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 3152 | // do not have a prototype. Integer promotions are performed on each |
| 3153 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 3154 | void DefaultArgumentPromotion(Expr *&Expr); |
Anders Carlsson | dce5e2c | 2009-01-16 16:48:51 +0000 | [diff] [blame] | 3155 | |
| 3156 | // Used for emitting the right warning by DefaultVariadicArgumentPromotion |
| 3157 | enum VariadicCallType { |
| 3158 | VariadicFunction, |
| 3159 | VariadicBlock, |
| 3160 | VariadicMethod |
| 3161 | }; |
| 3162 | |
| 3163 | // DefaultVariadicArgumentPromotion - Like DefaultArgumentPromotion, but |
| 3164 | // will warn if the resulting type is not a POD type. |
Chris Lattner | 312531a | 2009-04-12 08:11:20 +0000 | [diff] [blame] | 3165 | bool DefaultVariadicArgumentPromotion(Expr *&Expr, VariadicCallType CT); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 3166 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3167 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 3168 | // operands and then handles various conversions that are common to binary |
| 3169 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 3170 | // routine returns the first non-arithmetic type found. The client is |
| 3171 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 3172 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 3173 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 3174 | |
| 3175 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 3176 | /// enum to indicate whether the assignment was allowed. These checks are |
| 3177 | /// done for simple assignments, as well as initialization, return from |
| 3178 | /// function, argument passing, etc. The query is phrased in terms of a |
| 3179 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 3180 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 3181 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3182 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 3183 | |
| 3184 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 3185 | /// accept as an extension. |
| 3186 | PointerToInt, |
| 3187 | |
| 3188 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 3189 | /// accept as an extension. |
| 3190 | IntToPointer, |
| 3191 | |
| 3192 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 3193 | /// 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] | 3194 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 3195 | |
| 3196 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 3197 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3198 | IncompatiblePointer, |
Eli Friedman | f05c05d | 2009-03-22 23:59:44 +0000 | [diff] [blame] | 3199 | |
| 3200 | /// IncompatiblePointer - The assignment is between two pointers types which |
| 3201 | /// point to integers which have a different sign, but are otherwise identical. |
| 3202 | /// This is a subset of the above, but broken out because it's by far the most |
| 3203 | /// common case of incompatible pointers. |
| 3204 | IncompatiblePointerSign, |
| 3205 | |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 3206 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 3207 | /// c/v/r qualifiers, which we accept as an extension. |
| 3208 | CompatiblePointerDiscardsQualifiers, |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 3209 | |
Anders Carlsson | b0f90cc | 2009-01-30 23:17:46 +0000 | [diff] [blame] | 3210 | /// IncompatibleVectors - The assignment is between two vector types that |
| 3211 | /// have the same size, which we accept as an extension. |
| 3212 | IncompatibleVectors, |
| 3213 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 3214 | /// IntToBlockPointer - The assignment converts an int to a block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 3215 | /// pointer. We disallow this. |
| 3216 | IntToBlockPointer, |
| 3217 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 3218 | /// IncompatibleBlockPointer - The assignment is between two block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 3219 | /// pointers types that are not compatible. |
| 3220 | IncompatibleBlockPointer, |
| 3221 | |
Steve Naroff | 3957907 | 2008-10-14 22:18:38 +0000 | [diff] [blame] | 3222 | /// IncompatibleObjCQualifiedId - The assignment is between a qualified |
| 3223 | /// id type and something else (that is incompatible with it). For example, |
| 3224 | /// "id <XXX>" = "Foo *", where "Foo *" doesn't implement the XXX protocol. |
| 3225 | IncompatibleObjCQualifiedId, |
| 3226 | |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 3227 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 3228 | /// represent it in the AST. |
| 3229 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3230 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 3231 | |
| 3232 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 3233 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 3234 | /// conversion was invalid or false if the conversion was accepted. |
| 3235 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 3236 | SourceLocation Loc, |
| 3237 | QualType DstType, QualType SrcType, |
| 3238 | Expr *SrcExpr, const char *Flavor); |
| 3239 | |
| 3240 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 3241 | /// argument passing, variable initialization, and function return values. |
| 3242 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 3243 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 3244 | |
Douglas Gregor | 0c74e8a | 2009-04-29 22:16:16 +0000 | [diff] [blame] | 3245 | // CheckSingleAssignmentConstraints - Currently used by |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 3246 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 3247 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 3248 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 3249 | Expr *&rExpr); |
Douglas Gregor | 0c74e8a | 2009-04-29 22:16:16 +0000 | [diff] [blame] | 3250 | |
| 3251 | // \brief If the lhs type is a transparent union, check whether we |
| 3252 | // can initialize the transparent union with the given expression. |
| 3253 | AssignConvertType CheckTransparentUnionArgumentConstraints(QualType lhs, |
| 3254 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 3255 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3256 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 3257 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 3258 | QualType rhsType); |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 3259 | |
| 3260 | // Helper function for CheckAssignmentConstraints involving two |
Sebastian Redl | d1bd7fc | 2009-04-19 19:26:31 +0000 | [diff] [blame] | 3261 | // block pointer types. |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 3262 | AssignConvertType CheckBlockPointerTypesForAssignment(QualType lhsType, |
| 3263 | QualType rhsType); |
Douglas Gregor | 77a5223 | 2008-09-12 00:47:35 +0000 | [diff] [blame] | 3264 | |
| 3265 | bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 3266 | |
Douglas Gregor | 45920e8 | 2008-12-19 17:40:08 +0000 | [diff] [blame] | 3267 | bool PerformImplicitConversion(Expr *&From, QualType ToType, |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 3268 | const char *Flavor, |
| 3269 | bool AllowExplicit = false, |
| 3270 | bool Elidable = false); |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 3271 | bool PerformImplicitConversion(Expr *&From, QualType ToType, |
| 3272 | const ImplicitConversionSequence& ICS, |
Douglas Gregor | 45920e8 | 2008-12-19 17:40:08 +0000 | [diff] [blame] | 3273 | const char *Flavor); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 3274 | bool PerformImplicitConversion(Expr *&From, QualType ToType, |
Douglas Gregor | 45920e8 | 2008-12-19 17:40:08 +0000 | [diff] [blame] | 3275 | const StandardConversionSequence& SCS, |
| 3276 | const char *Flavor); |
Sebastian Redl | 2246050 | 2009-02-07 00:15:38 +0000 | [diff] [blame] | 3277 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3278 | /// the following "Check" methods will return a valid/converted QualType |
| 3279 | /// or a null QualType (indicating an error diagnostic was issued). |
Sebastian Redl | 2246050 | 2009-02-07 00:15:38 +0000 | [diff] [blame] | 3280 | |
| 3281 | /// type checking binary operators (subroutines of CreateBuiltinBinOp). |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3282 | QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Sebastian Redl | 7c8bd60 | 2009-02-07 20:10:22 +0000 | [diff] [blame] | 3283 | QualType CheckPointerToMemberOperands( // C++ 5.5 |
Sebastian Redl | 2246050 | 2009-02-07 00:15:38 +0000 | [diff] [blame] | 3284 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isIndirect); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3285 | QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Sebastian Redl | 2246050 | 2009-02-07 00:15:38 +0000 | [diff] [blame] | 3286 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3287 | QualType CheckRemainderOperands( // C99 6.5.5 |
Sebastian Redl | 2246050 | 2009-02-07 00:15:38 +0000 | [diff] [blame] | 3288 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3289 | QualType CheckAdditionOperands( // C99 6.5.6 |
Eli Friedman | ab3a852 | 2009-03-28 01:22:36 +0000 | [diff] [blame] | 3290 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, QualType* CompLHSTy = 0); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3291 | QualType CheckSubtractionOperands( // C99 6.5.6 |
Eli Friedman | ab3a852 | 2009-03-28 01:22:36 +0000 | [diff] [blame] | 3292 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, QualType* CompLHSTy = 0); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3293 | QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 3294 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3295 | QualType CheckCompareOperands( // C99 6.5.8/9 |
Douglas Gregor | a86b832 | 2009-04-06 18:45:53 +0000 | [diff] [blame] | 3296 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, unsigned Opc, bool isRelational); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3297 | QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Sebastian Redl | 2246050 | 2009-02-07 00:15:38 +0000 | [diff] [blame] | 3298 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3299 | QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 3300 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3301 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 3302 | // For simple assignment, pass both expressions and a null converted type. |
| 3303 | // For compound assignment, pass both expressions and the converted type. |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3304 | QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 3305 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3306 | QualType CheckCommaOperands( // C99 6.5.17 |
Chris Lattner | 29a1cfb | 2008-11-18 01:30:42 +0000 | [diff] [blame] | 3307 | Expr *lex, Expr *&rex, SourceLocation OpLoc); |
Douglas Gregor | df03251 | 2009-03-12 22:46:12 +0000 | [diff] [blame] | 3308 | QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 3309 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Sebastian Redl | 3201f6b | 2009-04-16 17:51:27 +0000 | [diff] [blame] | 3310 | QualType CXXCheckConditionalOperands( // C++ 5.16 |
| 3311 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Sebastian Redl | d1bd7fc | 2009-04-19 19:26:31 +0000 | [diff] [blame] | 3312 | QualType FindCompositePointerType(Expr *&E1, Expr *&E2); // C++ 5.9 |
Nate Begeman | be2341d | 2008-07-14 18:02:46 +0000 | [diff] [blame] | 3313 | |
| 3314 | /// type checking for vector binary operators. |
| 3315 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
| 3316 | inline QualType CheckVectorCompareOperands(Expr *&lex, Expr *&rx, |
| 3317 | SourceLocation l, bool isRel); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3318 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 3319 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3320 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
Sebastian Redl | e6d5a4a | 2008-12-20 09:35:34 +0000 | [diff] [blame] | 3321 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc, |
| 3322 | bool isInc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3323 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 3324 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
Chris Lattner | ba27e2a | 2009-02-17 08:12:06 +0000 | [diff] [blame] | 3325 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc, bool isReal); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 3326 | |
| 3327 | /// type checking primary expressions. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 3328 | QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc, |
Anders Carlsson | 8f28f99 | 2009-08-26 18:25:21 +0000 | [diff] [blame] | 3329 | const IdentifierInfo *Comp, |
| 3330 | SourceLocation CmpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 3331 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 3332 | /// type checking declaration initializers (C99 6.7.8) |
Anders Carlsson | 2078bb9 | 2009-05-27 16:10:08 +0000 | [diff] [blame] | 3333 | |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 3334 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 3335 | SourceLocation InitLoc,DeclarationName InitEntity, |
Anders Carlsson | 0f5f2c6 | 2009-05-30 20:41:30 +0000 | [diff] [blame] | 3336 | bool DirectInit); |
Douglas Gregor | c34ee5e | 2009-01-29 00:45:39 +0000 | [diff] [blame] | 3337 | bool CheckInitList(InitListExpr *&InitList, QualType &DeclType); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 3338 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 3339 | |
Douglas Gregor | 87fd703 | 2009-02-02 17:43:21 +0000 | [diff] [blame] | 3340 | bool CheckValueInitialization(QualType Type, SourceLocation Loc); |
Argyrios Kyrtzidis | 6c2dc4d | 2008-08-16 20:27:34 +0000 | [diff] [blame] | 3341 | |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 3342 | // type checking C++ declaration initializers (C++ [dcl.init]). |
| 3343 | |
| 3344 | /// ReferenceCompareResult - Expresses the result of comparing two |
| 3345 | /// types (cv1 T1 and cv2 T2) to determine their compatibility for the |
| 3346 | /// purposes of initialization by reference (C++ [dcl.init.ref]p4). |
| 3347 | enum ReferenceCompareResult { |
| 3348 | /// Ref_Incompatible - The two types are incompatible, so direct |
| 3349 | /// reference binding is not possible. |
| 3350 | Ref_Incompatible = 0, |
| 3351 | /// Ref_Related - The two types are reference-related, which means |
| 3352 | /// that their unqualified forms (T1 and T2) are either the same |
| 3353 | /// or T1 is a base class of T2. |
| 3354 | Ref_Related, |
| 3355 | /// Ref_Compatible_With_Added_Qualification - The two types are |
| 3356 | /// reference-compatible with added qualification, meaning that |
| 3357 | /// they are reference-compatible and the qualifiers on T1 (cv1) |
| 3358 | /// are greater than the qualifiers on T2 (cv2). |
| 3359 | Ref_Compatible_With_Added_Qualification, |
| 3360 | /// Ref_Compatible - The two types are reference-compatible and |
| 3361 | /// have equivalent qualifiers (cv1 == cv2). |
| 3362 | Ref_Compatible |
| 3363 | }; |
| 3364 | |
Douglas Gregor | 15da57e | 2008-10-29 02:00:59 +0000 | [diff] [blame] | 3365 | ReferenceCompareResult CompareReferenceRelationship(QualType T1, QualType T2, |
| 3366 | bool& DerivedToBase); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 3367 | |
Sebastian Redl | 3201f6b | 2009-04-16 17:51:27 +0000 | [diff] [blame] | 3368 | bool CheckReferenceInit(Expr *&simpleInit_or_initList, QualType declType, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 3369 | ImplicitConversionSequence *ICS = 0, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 3370 | bool SuppressUserConversions = false, |
Sebastian Redl | e2b6833 | 2009-04-12 17:16:29 +0000 | [diff] [blame] | 3371 | bool AllowExplicit = false, |
| 3372 | bool ForceRValue = false); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 3373 | |
Sebastian Redl | 9cc11e7 | 2009-07-25 15:41:38 +0000 | [diff] [blame] | 3374 | /// CheckCastTypes - Check type constraints for casting between types under |
Sebastian Redl | ef0cb8e | 2009-07-29 13:50:23 +0000 | [diff] [blame] | 3375 | /// C semantics, or forward to CXXCheckCStyleCast in C++. |
| 3376 | bool CheckCastTypes(SourceRange TyRange, QualType CastTy, Expr *&CastExpr, |
Fariborz Jahanian | e9f4208 | 2009-08-26 18:55:36 +0000 | [diff] [blame] | 3377 | CastExpr::CastKind &Kind, |
| 3378 | CXXMethodDecl *& ConversionDecl, |
| 3379 | bool FunctionalStyle = false); |
Sebastian Redl | 9cc11e7 | 2009-07-25 15:41:38 +0000 | [diff] [blame] | 3380 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 3381 | // CheckVectorCast - check type constraints for vectors. |
| 3382 | // Since vectors are an extension, there are no C standard reference for this. |
| 3383 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 3384 | // returns true if the cast is invalid |
| 3385 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 3386 | |
Nate Begeman | 58d29a4 | 2009-06-26 00:50:28 +0000 | [diff] [blame] | 3387 | // CheckExtVectorCast - check type constraints for extended vectors. |
| 3388 | // Since vectors are an extension, there are no C standard reference for this. |
| 3389 | // We allow casting between vectors and integer datatypes of the same size, |
| 3390 | // or vectors and the element type of that vector. |
| 3391 | // returns true if the cast is invalid |
| 3392 | bool CheckExtVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
Sebastian Redl | 9cc11e7 | 2009-07-25 15:41:38 +0000 | [diff] [blame] | 3393 | |
| 3394 | /// CXXCheckCStyleCast - Check constraints of a C-style or function-style |
| 3395 | /// cast under C++ semantics. |
Sebastian Redl | ef0cb8e | 2009-07-29 13:50:23 +0000 | [diff] [blame] | 3396 | bool CXXCheckCStyleCast(SourceRange R, QualType CastTy, Expr *&CastExpr, |
Fariborz Jahanian | e9f4208 | 2009-08-26 18:55:36 +0000 | [diff] [blame] | 3397 | CastExpr::CastKind &Kind, bool FunctionalStyle, |
| 3398 | CXXMethodDecl *&ConversionDecl); |
Sebastian Redl | 9cc11e7 | 2009-07-25 15:41:38 +0000 | [diff] [blame] | 3399 | |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 3400 | /// CheckMessageArgumentTypes - Check types in an Obj-C message send. |
| 3401 | /// \param Method - May be null. |
| 3402 | /// \param [out] ReturnType - The return type of the send. |
| 3403 | /// \return true iff there were any incompatible types. |
Daniel Dunbar | 91e19b2 | 2008-09-11 00:50:25 +0000 | [diff] [blame] | 3404 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, Selector Sel, |
Chris Lattner | 077bf5e | 2008-11-24 03:33:13 +0000 | [diff] [blame] | 3405 | ObjCMethodDecl *Method, bool isClassMessage, |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 3406 | SourceLocation lbrac, SourceLocation rbrac, |
| 3407 | QualType &ReturnType); |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 3408 | |
| 3409 | /// CheckCXXBooleanCondition - Returns true if conversion to bool is invalid. |
| 3410 | bool CheckCXXBooleanCondition(Expr *&CondExpr); |
Sebastian Redl | 9cc11e7 | 2009-07-25 15:41:38 +0000 | [diff] [blame] | 3411 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 3412 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 3413 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 3414 | /// the specified diagnostic. |
| 3415 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 3416 | unsigned NewWidth, bool NewSign, |
| 3417 | SourceLocation Loc, unsigned DiagID); |
| 3418 | |
Anders Carlsson | 1528145 | 2008-11-04 16:57:32 +0000 | [diff] [blame] | 3419 | /// Checks that the Objective-C declaration is declared in the global scope. |
| 3420 | /// Emits an error and marks the declaration as invalid if it's not declared |
| 3421 | /// in the global scope. |
| 3422 | bool CheckObjCDeclScope(Decl *D); |
| 3423 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 3424 | void InitBuiltinVaListType(); |
Eli Friedman | 1b76ada | 2008-06-03 21:01:11 +0000 | [diff] [blame] | 3425 | |
Anders Carlsson | e21555e | 2008-11-30 19:50:32 +0000 | [diff] [blame] | 3426 | /// VerifyIntegerConstantExpression - verifies that an expression is an ICE, |
| 3427 | /// and reports the appropriate diagnostics. Returns false on success. |
| 3428 | /// Can optionally return the value of the expression. |
Anders Carlsson | 9f1e572 | 2008-12-06 20:33:04 +0000 | [diff] [blame] | 3429 | bool VerifyIntegerConstantExpression(const Expr *E, llvm::APSInt *Result = 0); |
Anders Carlsson | 4000ea6 | 2008-12-01 02:17:22 +0000 | [diff] [blame] | 3430 | |
Anders Carlsson | 9f1e572 | 2008-12-06 20:33:04 +0000 | [diff] [blame] | 3431 | /// VerifyBitField - verifies that a bit field expression is an ICE and has |
| 3432 | /// the correct width, and that the field type is valid. |
| 3433 | /// Returns false on success. |
Eli Friedman | 1d954f6 | 2009-08-15 21:55:26 +0000 | [diff] [blame] | 3434 | /// Can optionally return whether the bit-field is of width 0 |
Anders Carlsson | 9f1e572 | 2008-12-06 20:33:04 +0000 | [diff] [blame] | 3435 | bool VerifyBitField(SourceLocation FieldLoc, IdentifierInfo *FieldName, |
Eli Friedman | 1d954f6 | 2009-08-15 21:55:26 +0000 | [diff] [blame] | 3436 | QualType FieldTy, const Expr *BitWidth, |
| 3437 | bool *ZeroWidth = 0); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 3438 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 3439 | //===--------------------------------------------------------------------===// |
| 3440 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 3441 | private: |
Anders Carlsson | d406bf0 | 2009-08-16 01:56:34 +0000 | [diff] [blame] | 3442 | bool CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
| 3443 | bool CheckBlockCall(NamedDecl *NDecl, CallExpr *TheCall); |
Fariborz Jahanian | 725165f | 2009-05-18 21:05:18 +0000 | [diff] [blame] | 3444 | |
Chris Lattner | 6080008 | 2009-02-18 17:49:48 +0000 | [diff] [blame] | 3445 | SourceLocation getLocationOfStringLiteralByte(const StringLiteral *SL, |
| 3446 | unsigned ByteNo) const; |
Ryan Flynn | 4403a5e | 2009-08-06 03:00:50 +0000 | [diff] [blame] | 3447 | bool CheckablePrintfAttr(const FormatAttr *Format, CallExpr *TheCall); |
Chris Lattner | 6903981 | 2009-02-18 06:01:06 +0000 | [diff] [blame] | 3448 | bool CheckObjCString(Expr *Arg); |
Anders Carlsson | d406bf0 | 2009-08-16 01:56:34 +0000 | [diff] [blame] | 3449 | |
| 3450 | Action::OwningExprResult CheckBuiltinFunctionCall(unsigned BuiltinID, |
| 3451 | CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 3452 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 3453 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
Eli Friedman | 6cfda23 | 2008-05-20 08:23:37 +0000 | [diff] [blame] | 3454 | bool SemaBuiltinStackAddress(CallExpr *TheCall); |
Douglas Gregor | cde0173 | 2009-05-19 22:10:17 +0000 | [diff] [blame] | 3455 | |
| 3456 | public: |
| 3457 | // Used by C++ template instantiation. |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 3458 | Action::OwningExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
Douglas Gregor | cde0173 | 2009-05-19 22:10:17 +0000 | [diff] [blame] | 3459 | |
| 3460 | private: |
Daniel Dunbar | 4493f79 | 2008-07-21 22:59:13 +0000 | [diff] [blame] | 3461 | bool SemaBuiltinPrefetch(CallExpr *TheCall); |
Eli Friedman | d875fed | 2009-05-03 04:46:36 +0000 | [diff] [blame] | 3462 | bool SemaBuiltinObjectSize(CallExpr *TheCall); |
| 3463 | bool SemaBuiltinLongjmp(CallExpr *TheCall); |
Chris Lattner | 5caa370 | 2009-05-08 06:58:22 +0000 | [diff] [blame] | 3464 | bool SemaBuiltinAtomicOverloaded(CallExpr *TheCall); |
Ted Kremenek | 082d936 | 2009-03-20 21:35:28 +0000 | [diff] [blame] | 3465 | bool SemaCheckStringLiteral(const Expr *E, const CallExpr *TheCall, |
| 3466 | bool HasVAListArg, unsigned format_idx, |
| 3467 | unsigned firstDataArg); |
| 3468 | void CheckPrintfString(const StringLiteral *FExpr, const Expr *OrigFormatExpr, |
| 3469 | const CallExpr *TheCall, bool HasVAListArg, |
Douglas Gregor | 3c385e5 | 2009-02-14 18:57:46 +0000 | [diff] [blame] | 3470 | unsigned format_idx, unsigned firstDataArg); |
Fariborz Jahanian | e898f8a | 2009-05-21 18:48:51 +0000 | [diff] [blame] | 3471 | void CheckNonNullArguments(const NonNullAttr *NonNull, |
| 3472 | const CallExpr *TheCall); |
Ted Kremenek | 082d936 | 2009-03-20 21:35:28 +0000 | [diff] [blame] | 3473 | void CheckPrintfArguments(const CallExpr *TheCall, bool HasVAListArg, |
Douglas Gregor | 3c385e5 | 2009-02-14 18:57:46 +0000 | [diff] [blame] | 3474 | unsigned format_idx, unsigned firstDataArg); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 3475 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 3476 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 3477 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3478 | }; |
| 3479 | |
Mike Stump | b83d287 | 2009-02-19 22:01:56 +0000 | [diff] [blame] | 3480 | |
Ted Kremenek | 8189cde | 2009-02-07 01:47:29 +0000 | [diff] [blame] | 3481 | //===--------------------------------------------------------------------===// |
| 3482 | // Typed version of Parser::ExprArg (smart pointer for wrapping Expr pointers). |
| 3483 | template <typename T> |
| 3484 | class ExprOwningPtr : public Action::ExprArg { |
| 3485 | public: |
Douglas Gregor | a0e500d | 2009-03-12 16:53:44 +0000 | [diff] [blame] | 3486 | ExprOwningPtr(Sema *S, T *expr) : Action::ExprArg(*S, expr) {} |
Ted Kremenek | 8189cde | 2009-02-07 01:47:29 +0000 | [diff] [blame] | 3487 | |
| 3488 | void reset(T* p) { Action::ExprArg::operator=(p); } |
| 3489 | T* get() const { return static_cast<T*>(Action::ExprArg::get()); } |
| 3490 | T* take() { return static_cast<T*>(Action::ExprArg::take()); } |
| 3491 | T* release() { return take(); } |
| 3492 | |
| 3493 | T& operator*() const { return *get(); } |
| 3494 | T* operator->() const { return get(); } |
| 3495 | }; |
Douglas Gregor | d7e2705 | 2009-05-20 22:33:37 +0000 | [diff] [blame] | 3496 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 3497 | } // end namespace clang |
| 3498 | |
| 3499 | #endif |