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 | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 21 | #include "clang/AST/DeclBase.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 22 | #include "clang/Parse/Action.h" |
Chris Lattner | 20c6b3b | 2009-01-27 18:30:58 +0000 | [diff] [blame] | 23 | #include "clang/Basic/DiagnosticSema.h" |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 24 | #include "llvm/ADT/SmallVector.h" |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 25 | #include "llvm/ADT/DenseSet.h" |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 26 | #include "llvm/ADT/SmallPtrSet.h" |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 27 | #include "llvm/ADT/OwningPtr.h" |
Douglas Gregor | 4dc6b1c | 2009-01-16 00:38:09 +0000 | [diff] [blame] | 28 | #include <string> |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 29 | #include <vector> |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 30 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 31 | namespace llvm { |
| 32 | class APSInt; |
| 33 | } |
| 34 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 35 | namespace clang { |
| 36 | class ASTContext; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 37 | class ASTConsumer; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 38 | class Preprocessor; |
| 39 | class Decl; |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 40 | class DeclContext; |
Daniel Dunbar | 12bc692 | 2008-08-11 03:27:53 +0000 | [diff] [blame] | 41 | class DeclSpec; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 42 | class NamedDecl; |
Sebastian Redl | 798d119 | 2008-12-13 16:23:55 +0000 | [diff] [blame] | 43 | class Stmt; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 44 | class Expr; |
Steve Naroff | 6f9f307 | 2007-09-02 15:34:30 +0000 | [diff] [blame] | 45 | class InitListExpr; |
Douglas Gregor | 05c13a3 | 2009-01-22 00:58:24 +0000 | [diff] [blame] | 46 | class DesignatedInitExpr; |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 47 | class CallExpr; |
Douglas Gregor | 1a49af9 | 2009-01-06 05:10:23 +0000 | [diff] [blame] | 48 | class DeclRefExpr; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 49 | class VarDecl; |
| 50 | class ParmVarDecl; |
| 51 | class TypedefDecl; |
| 52 | class FunctionDecl; |
| 53 | class QualType; |
Chris Lattner | 701e5eb | 2007-09-04 02:45:27 +0000 | [diff] [blame] | 54 | struct LangOptions; |
Chris Lattner | d217773 | 2007-07-20 16:59:19 +0000 | [diff] [blame] | 55 | class Token; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 56 | class IntegerLiteral; |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 57 | class StringLiteral; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 58 | class ArrayType; |
| 59 | class LabelStmt; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 60 | class SwitchStmt; |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 61 | class ExtVectorType; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 62 | class TypedefDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 63 | class ObjCInterfaceDecl; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 64 | class ObjCCompatibleAliasDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 65 | class ObjCProtocolDecl; |
| 66 | class ObjCImplementationDecl; |
| 67 | class ObjCCategoryImplDecl; |
| 68 | class ObjCCategoryDecl; |
| 69 | class ObjCIvarDecl; |
| 70 | class ObjCMethodDecl; |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 71 | class ObjCPropertyDecl; |
Steve Naroff | 0701bbb | 2009-01-08 17:28:14 +0000 | [diff] [blame] | 72 | class ObjCContainerDecl; |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 73 | struct BlockSemaInfo; |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 74 | class BasePaths; |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 75 | class MemberLookupCriteria; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 76 | |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 77 | /// PragmaPackStack - Simple class to wrap the stack used by #pragma |
| 78 | /// pack. |
| 79 | class PragmaPackStack { |
Daniel Dunbar | 0655039 | 2008-11-19 10:32:38 +0000 | [diff] [blame] | 80 | typedef std::vector< std::pair<unsigned, IdentifierInfo*> > stack_ty; |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 81 | |
| 82 | /// Alignment - The current user specified alignment. |
| 83 | unsigned Alignment; |
| 84 | |
Daniel Dunbar | 0655039 | 2008-11-19 10:32:38 +0000 | [diff] [blame] | 85 | /// Stack - Entries in the #pragma pack stack, consisting of saved |
| 86 | /// alignments and optional names. |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 87 | stack_ty Stack; |
| 88 | |
| 89 | public: |
| 90 | PragmaPackStack(unsigned A) : Alignment(A) {} |
| 91 | |
| 92 | void setAlignment(unsigned A) { Alignment = A; } |
| 93 | unsigned getAlignment() { return Alignment; } |
| 94 | |
| 95 | /// push - Push the current alignment onto the stack, optionally |
Daniel Dunbar | 0655039 | 2008-11-19 10:32:38 +0000 | [diff] [blame] | 96 | /// using the given \arg Name for the record, if non-zero. |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 97 | void push(IdentifierInfo *Name) { |
Daniel Dunbar | 0655039 | 2008-11-19 10:32:38 +0000 | [diff] [blame] | 98 | Stack.push_back(std::make_pair(Alignment, Name)); |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | /// pop - Pop a record from the stack and restore the current |
| 102 | /// alignment to the previous value. If \arg Name is non-zero then |
| 103 | /// the first such named record is popped, otherwise the top record |
| 104 | /// is popped. Returns true if the pop succeeded. |
| 105 | bool pop(IdentifierInfo *Name); |
| 106 | }; |
| 107 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 108 | /// Sema - This implements semantic analysis and AST building for C. |
| 109 | class Sema : public Action { |
Chris Lattner | 0b2f4da | 2008-06-29 00:28:59 +0000 | [diff] [blame] | 110 | public: |
Chris Lattner | 53ebff3 | 2009-01-22 19:21:44 +0000 | [diff] [blame] | 111 | const LangOptions &LangOpts; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 112 | Preprocessor &PP; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 113 | ASTContext &Context; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 114 | ASTConsumer &Consumer; |
Chris Lattner | 3cfa928 | 2008-11-22 08:28:49 +0000 | [diff] [blame] | 115 | Diagnostic &Diags; |
| 116 | SourceManager &SourceMgr; |
Steve Naroff | 0330071 | 2007-11-12 13:56:41 +0000 | [diff] [blame] | 117 | |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 118 | /// CurContext - This is the current declaration context of parsing. |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 119 | DeclContext *CurContext; |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 120 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 121 | /// PreDeclaratorDC - Keeps the declaration context before switching to the |
| 122 | /// context of a declarator's nested-name-specifier. |
| 123 | DeclContext *PreDeclaratorDC; |
| 124 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 125 | /// CurBlock - If inside of a block definition, this contains a pointer to |
| 126 | /// the active block object that represents it. |
| 127 | BlockSemaInfo *CurBlock; |
| 128 | |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 129 | /// PackContext - Manages the stack for #pragma pack. An alignment |
| 130 | /// of 0 indicates default alignment. |
| 131 | PragmaPackStack PackContext; |
| 132 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 133 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 134 | /// it (which acts like the label decl in some ways). Forward referenced |
| 135 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 136 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 137 | |
| 138 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 139 | |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 140 | /// ExtVectorDecls - This is a list all the extended vector types. This allows |
| 141 | /// 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] | 142 | /// This is only necessary for issuing pretty diagnostics. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 143 | llvm::SmallVector<TypedefDecl*, 24> ExtVectorDecls; |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 144 | |
Steve Naroff | e84a864 | 2008-09-28 14:55:53 +0000 | [diff] [blame] | 145 | /// ObjCImplementations - Keep track of all class @implementations |
| 146 | /// so we can emit errors on duplicates. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 147 | llvm::DenseMap<IdentifierInfo*, ObjCImplementationDecl*> ObjCImplementations; |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 148 | |
Steve Naroff | e84a864 | 2008-09-28 14:55:53 +0000 | [diff] [blame] | 149 | /// ObjCCategoryImpls - Maintain a list of category implementations so |
| 150 | /// we can check for duplicates and find local method declarations. |
| 151 | llvm::SmallVector<ObjCCategoryImplDecl*, 8> ObjCCategoryImpls; |
| 152 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 153 | /// ObjCProtocols - Keep track of all protocol declarations declared |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 154 | /// with @protocol keyword, so that we can emit errors on duplicates and |
Chris Lattner | 4de884d | 2007-10-09 18:18:24 +0000 | [diff] [blame] | 155 | /// find the declarations when needed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 156 | llvm::DenseMap<IdentifierInfo*, ObjCProtocolDecl*> ObjCProtocols; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 157 | |
| 158 | /// ObjCInterfaceDecls - Keep track of all class declarations declared |
| 159 | /// with @interface, so that we can emit errors on duplicates and |
| 160 | /// find the declarations when needed. |
| 161 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 162 | ObjCInterfaceDecl*> ObjCInterfaceDeclsTy; |
| 163 | ObjCInterfaceDeclsTy ObjCInterfaceDecls; |
| 164 | |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 165 | /// ObjCAliasDecls - Keep track of all class declarations declared |
| 166 | /// with @compatibility_alias, so that we can emit errors on duplicates and |
| 167 | /// find the declarations when needed. This construct is ancient and will |
| 168 | /// likely never be seen. Nevertheless, it is here for compatibility. |
Steve Naroff | c822ff4 | 2008-04-02 00:39:51 +0000 | [diff] [blame] | 169 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 170 | ObjCCompatibleAliasDecl*> ObjCAliasTy; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 171 | ObjCAliasTy ObjCAliasDecls; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 172 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 173 | /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. |
| 174 | llvm::OwningPtr<CXXFieldCollector> FieldCollector; |
| 175 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 176 | IdentifierResolver IdResolver; |
| 177 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 178 | // Enum values used by KnownFunctionIDs (see below). |
| 179 | enum { |
Ted Kremenek | 7ff22b2 | 2008-06-16 18:00:42 +0000 | [diff] [blame] | 180 | id_NSLog, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 181 | id_asprintf, |
| 182 | id_fprintf, |
| 183 | id_printf, |
| 184 | id_snprintf, |
| 185 | id_snprintf_chk, |
| 186 | id_sprintf, |
| 187 | id_sprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 188 | id_vasprintf, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 189 | id_vfprintf, |
| 190 | id_vsnprintf, |
| 191 | id_vsnprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 192 | id_vsprintf, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 193 | id_vsprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 194 | id_vprintf, |
| 195 | id_num_known_functions |
| 196 | }; |
| 197 | |
| 198 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 199 | /// of known functions used by the semantic analysis to do various |
| 200 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 201 | /// This list is populated upon the creation of a Sema object. |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 202 | IdentifierInfo* KnownFunctionIDs[id_num_known_functions]; |
Daniel Dunbar | 662e8b5 | 2008-08-14 22:04:54 +0000 | [diff] [blame] | 203 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 204 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 205 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 206 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 207 | Scope *TUScope; |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 208 | |
| 209 | /// The C++ "std" namespace, where the standard library resides. Cached here |
| 210 | /// by GetStdNamespace |
| 211 | NamespaceDecl *StdNamespace; |
Sebastian Redl | b5a57a6 | 2008-12-03 20:26:15 +0000 | [diff] [blame] | 212 | |
| 213 | /// A flag to remember whether the implicit forms of operator new and delete |
| 214 | /// have been declared. |
| 215 | bool GlobalNewDeleteDeclared; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 216 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 217 | /// ObjCMethodList - a linked list of methods with different signatures. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 218 | struct ObjCMethodList { |
| 219 | ObjCMethodDecl *Method; |
| 220 | ObjCMethodList *Next; |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 221 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 222 | ObjCMethodList() { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 223 | Method = 0; |
| 224 | Next = 0; |
| 225 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 226 | ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 227 | Method = M; |
| 228 | Next = C; |
| 229 | } |
| 230 | }; |
| 231 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 232 | /// messages to "id". We need to maintain a list, since selectors can have |
| 233 | /// differing signatures across classes. In Cocoa, this happens to be |
| 234 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 235 | llvm::DenseMap<Selector, ObjCMethodList> InstanceMethodPool; |
| 236 | llvm::DenseMap<Selector, ObjCMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 237 | public: |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 238 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 239 | |
Chris Lattner | 53ebff3 | 2009-01-22 19:21:44 +0000 | [diff] [blame] | 240 | const LangOptions &getLangOptions() const { return LangOpts; } |
Chris Lattner | 3cfa928 | 2008-11-22 08:28:49 +0000 | [diff] [blame] | 241 | Diagnostic &getDiagnostics() const { return Diags; } |
| 242 | SourceManager &getSourceManager() const { return SourceMgr; } |
| 243 | |
Chris Lattner | ebf5ddf | 2008-11-18 21:53:24 +0000 | [diff] [blame] | 244 | /// The primitive diagnostic helpers. |
Chris Lattner | 3cfa928 | 2008-11-22 08:28:49 +0000 | [diff] [blame] | 245 | DiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID) { |
| 246 | return Diags.Report(FullSourceLoc(Loc, SourceMgr), DiagID); |
| 247 | } |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 248 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 249 | virtual void DeleteExpr(ExprTy *E); |
| 250 | virtual void DeleteStmt(StmtTy *S); |
| 251 | |
Sebastian Redl | 798d119 | 2008-12-13 16:23:55 +0000 | [diff] [blame] | 252 | OwningExprResult Owned(Expr* E) { return OwningExprResult(*this, E); } |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 253 | OwningExprResult Owned(ExprResult R) { |
Douglas Gregor | 5ac8aff | 2009-01-26 22:44:13 +0000 | [diff] [blame] | 254 | if (R.isInvalid()) |
Steve Naroff | 872b9ac | 2009-01-21 22:32:33 +0000 | [diff] [blame] | 255 | return ExprError(); |
Douglas Gregor | 5ac8aff | 2009-01-26 22:44:13 +0000 | [diff] [blame] | 256 | return OwningExprResult(*this, R.get()); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 257 | } |
Sebastian Redl | 798d119 | 2008-12-13 16:23:55 +0000 | [diff] [blame] | 258 | OwningStmtResult Owned(Stmt* S) { return OwningStmtResult(*this, S); } |
| 259 | |
Chris Lattner | 9299f3f | 2008-08-23 03:19:52 +0000 | [diff] [blame] | 260 | virtual void ActOnEndOfTranslationUnit(); |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 261 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 262 | //===--------------------------------------------------------------------===// |
| 263 | // Type Analysis / Processing: SemaType.cpp. |
| 264 | // |
Chris Lattner | fca0ddd | 2008-06-26 06:27:57 +0000 | [diff] [blame] | 265 | QualType ConvertDeclSpecToType(const DeclSpec &DS); |
Chris Lattner | c9b346d | 2008-06-29 00:50:08 +0000 | [diff] [blame] | 266 | void ProcessTypeAttributeList(QualType &Result, const AttributeList *AL); |
Sebastian Redl | cee63fb | 2008-12-02 14:43:59 +0000 | [diff] [blame] | 267 | QualType GetTypeForDeclarator(Declarator &D, Scope *S, unsigned Skip = 0); |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 268 | DeclarationName GetNameForDeclarator(Declarator &D); |
| 269 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 270 | QualType ObjCGetTypeForMethodDefinition(DeclTy *D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 271 | |
Douglas Gregor | 5737326 | 2008-10-22 14:17:15 +0000 | [diff] [blame] | 272 | bool UnwrapSimilarPointerTypes(QualType& T1, QualType& T2); |
| 273 | |
Sebastian Redl | cee63fb | 2008-12-02 14:43:59 +0000 | [diff] [blame] | 274 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Sebastian Redl | 37d6de3 | 2008-11-08 13:00:26 +0000 | [diff] [blame] | 275 | |
Douglas Gregor | 4ec339f | 2009-01-19 19:26:10 +0000 | [diff] [blame] | 276 | bool DiagnoseIncompleteType(SourceLocation Loc, QualType T, unsigned diag, |
| 277 | SourceRange Range1 = SourceRange(), |
| 278 | SourceRange Range2 = SourceRange(), |
| 279 | QualType PrintType = QualType()); |
| 280 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 281 | //===--------------------------------------------------------------------===// |
| 282 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 283 | // |
Steve Naroff | b43a50f | 2009-01-28 19:39:02 +0000 | [diff] [blame] | 284 | virtual TypeTy *getTypeName(IdentifierInfo &II, Scope *S, |
| 285 | const CXXScopeSpec *SS); |
Douglas Gregor | 584049d | 2008-12-15 23:53:10 +0000 | [diff] [blame] | 286 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup) { |
| 287 | return ActOnDeclarator(S, D, LastInGroup, false); |
| 288 | } |
| 289 | DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup, |
| 290 | bool IsFunctionDefinition); |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 291 | NamedDecl* ActOnTypedefDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
| 292 | QualType R, Decl* LastDeclarator, |
| 293 | Decl* PrevDecl, bool& InvalidDecl); |
| 294 | NamedDecl* ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
| 295 | QualType R, Decl* LastDeclarator, |
Zhongxing Xu | cb8f4f1 | 2009-01-16 02:36:34 +0000 | [diff] [blame] | 296 | Decl* PrevDecl, bool& InvalidDecl); |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 297 | NamedDecl* ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
| 298 | QualType R, Decl *LastDeclarator, |
| 299 | Decl* PrevDecl, bool IsFunctionDefinition, |
| 300 | bool& InvalidDecl); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 301 | virtual DeclTy *ActOnParamDeclarator(Scope *S, Declarator &D); |
| 302 | virtual void ActOnParamDefaultArgument(DeclTy *param, |
| 303 | SourceLocation EqualLoc, |
| 304 | ExprTy *defarg); |
Douglas Gregor | 61366e9 | 2008-12-24 00:01:03 +0000 | [diff] [blame] | 305 | virtual void ActOnParamUnparsedDefaultArgument(DeclTy *param, |
| 306 | SourceLocation EqualLoc); |
Douglas Gregor | 72b505b | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 307 | virtual void ActOnParamDefaultArgumentError(DeclTy *param); |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 308 | virtual void AddInitializerToDecl(DeclTy *dcl, ExprArg init); |
| 309 | void AddInitializerToDecl(DeclTy *dcl, ExprArg init, bool DirectInit); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 310 | void ActOnUninitializedDecl(DeclTy *dcl); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 311 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 312 | |
Douglas Gregor | be109b3 | 2009-01-23 16:23:13 +0000 | [diff] [blame] | 313 | virtual void ActOnFinishKNRParamDeclarations(Scope *S, Declarator &D); |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 314 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 315 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, DeclTy *D); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 316 | virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D); |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 317 | |
Sebastian Redl | 798d119 | 2008-12-13 16:23:55 +0000 | [diff] [blame] | 318 | virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtArg Body); |
Sebastian Redl | 798d119 | 2008-12-13 16:23:55 +0000 | [diff] [blame] | 319 | virtual DeclTy *ActOnFileScopeAsmDecl(SourceLocation Loc, ExprArg expr); |
Anders Carlsson | dfab6cb | 2008-02-08 00:33:21 +0000 | [diff] [blame] | 320 | |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 321 | /// Scope actions. |
| 322 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 323 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 324 | |
| 325 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 326 | /// no declarator (e.g. "struct foo;") is parsed. |
Sebastian Redl | a4ed0d8 | 2008-12-28 15:28:59 +0000 | [diff] [blame] | 327 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 328 | |
Douglas Gregor | bcbffc4 | 2009-01-07 00:43:41 +0000 | [diff] [blame] | 329 | bool InjectAnonymousStructOrUnionMembers(Scope *S, DeclContext *Owner, |
| 330 | RecordDecl *AnonRecord); |
| 331 | virtual DeclTy *BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS, |
| 332 | RecordDecl *Record); |
| 333 | |
Douglas Gregor | 0b7a158 | 2009-01-17 00:42:38 +0000 | [diff] [blame] | 334 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagSpec, TagKind TK, |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 335 | SourceLocation KWLoc, const CXXScopeSpec &SS, |
| 336 | IdentifierInfo *Name, SourceLocation NameLoc, |
Douglas Gregor | c4b4e7b | 2008-12-24 02:52:09 +0000 | [diff] [blame] | 337 | AttributeList *Attr, |
| 338 | MultiTemplateParamsArg TemplateParameterLists); |
Ted Kremenek | 4b7c983 | 2008-09-05 17:16:31 +0000 | [diff] [blame] | 339 | |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 340 | virtual void ActOnDefs(Scope *S, DeclTy *TagD, SourceLocation DeclStart, |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 341 | IdentifierInfo *ClassName, |
| 342 | llvm::SmallVectorImpl<DeclTy*> &Decls); |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 343 | virtual DeclTy *ActOnField(Scope *S, DeclTy *TagD, SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 344 | Declarator &D, ExprTy *BitfieldWidth); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 345 | |
| 346 | virtual DeclTy *ActOnIvar(Scope *S, SourceLocation DeclStart, |
| 347 | Declarator &D, ExprTy *BitfieldWidth, |
Fariborz Jahanian | 45bc03f | 2008-04-11 16:55:42 +0000 | [diff] [blame] | 348 | tok::ObjCKeywordKind visibility); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 349 | |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 350 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 351 | virtual void ActOnFields(Scope* S, |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 352 | SourceLocation RecLoc, DeclTy *TagDecl, |
| 353 | DeclTy **Fields, unsigned NumFields, |
Daniel Dunbar | 1bfe1c2 | 2008-10-03 02:03:53 +0000 | [diff] [blame] | 354 | SourceLocation LBrac, SourceLocation RBrac, |
| 355 | AttributeList *AttrList); |
Douglas Gregor | 72de667 | 2009-01-08 20:45:30 +0000 | [diff] [blame] | 356 | |
| 357 | /// ActOnTagStartDefinition - Invoked when we have entered the |
| 358 | /// scope of a tag's definition (e.g., for an enumeration, class, |
| 359 | /// struct, or union). |
| 360 | virtual void ActOnTagStartDefinition(Scope *S, DeclTy *TagDecl); |
| 361 | |
| 362 | /// ActOnTagFinishDefinition - Invoked once we have finished parsing |
| 363 | /// the definition of a tag (enumeration, class, struct, or union). |
| 364 | virtual void ActOnTagFinishDefinition(Scope *S, DeclTy *TagDecl); |
| 365 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 366 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 367 | DeclTy *LastEnumConstant, |
| 368 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 369 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 370 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 371 | DeclTy **Elements, unsigned NumElements); |
Sebastian Redl | 37d6de3 | 2008-11-08 13:00:26 +0000 | [diff] [blame] | 372 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 373 | DeclContext *getContainingDC(DeclContext *DC); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 374 | |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 375 | /// Set the current declaration context until it gets popped. |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 376 | void PushDeclContext(Scope *S, DeclContext *DC); |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 377 | void PopDeclContext(); |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 378 | |
Chris Lattner | 371f258 | 2008-12-04 23:50:19 +0000 | [diff] [blame] | 379 | /// getCurFunctionDecl - If inside of a function body, this returns a pointer |
| 380 | /// to the function decl for the function being parsed. If we're currently |
| 381 | /// in a 'block', this returns the containing context. |
| 382 | FunctionDecl *getCurFunctionDecl(); |
| 383 | |
| 384 | /// getCurMethodDecl - If inside of a method body, this returns a pointer to |
| 385 | /// the method decl for the method being parsed. If we're currently |
| 386 | /// in a 'block', this returns the containing context. |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 387 | ObjCMethodDecl *getCurMethodDecl(); |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 388 | |
Chris Lattner | 371f258 | 2008-12-04 23:50:19 +0000 | [diff] [blame] | 389 | /// getCurFunctionOrMethodDecl - Return the Decl for the current ObjC method |
| 390 | /// or C function we're in, otherwise return null. If we're currently |
| 391 | /// in a 'block', this returns the containing context. |
| 392 | NamedDecl *getCurFunctionOrMethodDecl(); |
| 393 | |
Argyrios Kyrtzidis | 87f3ff0 | 2008-04-12 00:47:19 +0000 | [diff] [blame] | 394 | /// Add this decl to the scope shadowed decl chains. |
| 395 | void PushOnScopeChains(NamedDecl *D, Scope *S); |
| 396 | |
Argyrios Kyrtzidis | 15a12d0 | 2008-09-09 21:18:04 +0000 | [diff] [blame] | 397 | /// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true |
| 398 | /// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns |
| 399 | /// true if 'D' belongs to the given declaration context. |
| 400 | bool isDeclInScope(Decl *D, DeclContext *Ctx, Scope *S = 0) { |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 401 | return IdResolver.isDeclInScope(D, Ctx, Context, S); |
Argyrios Kyrtzidis | 15a12d0 | 2008-09-09 21:18:04 +0000 | [diff] [blame] | 402 | } |
| 403 | |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 404 | /// Subroutines of ActOnDeclarator(). |
Chris Lattner | 41af093 | 2007-11-14 06:34:38 +0000 | [diff] [blame] | 405 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 406 | Decl *LastDecl); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 407 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, Decl *Old); |
Douglas Gregor | f009795 | 2008-04-21 02:02:58 +0000 | [diff] [blame] | 408 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, Decl *Old, |
| 409 | bool &Redeclaration); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 410 | VarDecl *MergeVarDecl(VarDecl *New, Decl *Old); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 411 | FunctionDecl *MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
Steve Naroff | ff9eb1f | 2008-08-08 17:50:35 +0000 | [diff] [blame] | 412 | void CheckForFileScopedRedefinitions(Scope *S, VarDecl *VD); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 413 | |
| 414 | /// C++ Overloading. |
| 415 | bool IsOverload(FunctionDecl *New, Decl* OldD, |
| 416 | OverloadedFunctionDecl::function_iterator &MatchedDecl); |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 417 | ImplicitConversionSequence |
| 418 | TryImplicitConversion(Expr* From, QualType ToType, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 419 | bool SuppressUserConversions = false, |
| 420 | bool AllowExplicit = false); |
Douglas Gregor | 60d62c2 | 2008-10-31 16:23:19 +0000 | [diff] [blame] | 421 | bool IsStandardConversion(Expr *From, QualType ToType, |
| 422 | StandardConversionSequence& SCS); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 423 | bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); |
| 424 | bool IsFloatingPointPromotion(QualType FromType, QualType ToType); |
| 425 | bool IsPointerConversion(Expr *From, QualType FromType, QualType ToType, |
Douglas Gregor | 45920e8 | 2008-12-19 17:40:08 +0000 | [diff] [blame] | 426 | QualType& ConvertedType, bool &IncompatibleObjC); |
Douglas Gregor | c788751 | 2008-12-19 19:13:09 +0000 | [diff] [blame] | 427 | bool isObjCPointerConversion(QualType FromType, QualType ToType, |
| 428 | QualType& ConvertedType, bool &IncompatibleObjC); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 429 | bool CheckPointerConversion(Expr *From, QualType ToType); |
Sebastian Redl | 4433aaf | 2009-01-25 19:43:20 +0000 | [diff] [blame] | 430 | bool IsMemberPointerConversion(Expr *From, QualType FromType, QualType ToType, |
| 431 | QualType &ConvertedType); |
| 432 | bool CheckMemberPointerConversion(Expr *From, QualType ToType); |
Douglas Gregor | 98cd599 | 2008-10-21 23:43:52 +0000 | [diff] [blame] | 433 | bool IsQualificationConversion(QualType FromType, QualType ToType); |
Douglas Gregor | 60d62c2 | 2008-10-31 16:23:19 +0000 | [diff] [blame] | 434 | bool IsUserDefinedConversion(Expr *From, QualType ToType, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 435 | UserDefinedConversionSequence& User, |
| 436 | bool AllowExplicit = false); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 437 | |
| 438 | ImplicitConversionSequence::CompareKind |
| 439 | CompareImplicitConversionSequences(const ImplicitConversionSequence& ICS1, |
| 440 | const ImplicitConversionSequence& ICS2); |
| 441 | |
| 442 | ImplicitConversionSequence::CompareKind |
| 443 | CompareStandardConversionSequences(const StandardConversionSequence& SCS1, |
| 444 | const StandardConversionSequence& SCS2); |
| 445 | |
Douglas Gregor | 5737326 | 2008-10-22 14:17:15 +0000 | [diff] [blame] | 446 | ImplicitConversionSequence::CompareKind |
| 447 | CompareQualificationConversions(const StandardConversionSequence& SCS1, |
| 448 | const StandardConversionSequence& SCS2); |
| 449 | |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 450 | ImplicitConversionSequence::CompareKind |
| 451 | CompareDerivedToBaseConversions(const StandardConversionSequence& SCS1, |
| 452 | const StandardConversionSequence& SCS2); |
| 453 | |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 454 | ImplicitConversionSequence |
| 455 | TryCopyInitialization(Expr* From, QualType ToType, |
| 456 | bool SuppressUserConversions = false); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 457 | bool PerformCopyInitialization(Expr *&From, QualType ToType, |
| 458 | const char *Flavor); |
| 459 | |
Douglas Gregor | 96176b3 | 2008-11-18 23:14:02 +0000 | [diff] [blame] | 460 | ImplicitConversionSequence |
| 461 | TryObjectArgumentInitialization(Expr *From, CXXMethodDecl *Method); |
| 462 | bool PerformObjectArgumentInitialization(Expr *&From, CXXMethodDecl *Method); |
| 463 | |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 464 | ImplicitConversionSequence TryContextuallyConvertToBool(Expr *From); |
| 465 | bool PerformContextuallyConvertToBool(Expr *&From); |
| 466 | |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 467 | /// OverloadingResult - Capture the result of performing overload |
| 468 | /// resolution. |
| 469 | enum OverloadingResult { |
| 470 | OR_Success, ///< Overload resolution succeeded. |
| 471 | OR_No_Viable_Function, ///< No viable function found. |
| 472 | OR_Ambiguous ///< Ambiguous candidates found. |
| 473 | }; |
| 474 | |
| 475 | void AddOverloadCandidate(FunctionDecl *Function, |
| 476 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 477 | OverloadCandidateSet& CandidateSet, |
| 478 | bool SuppressUserConversions = false); |
Douglas Gregor | 96176b3 | 2008-11-18 23:14:02 +0000 | [diff] [blame] | 479 | void AddMethodCandidate(CXXMethodDecl *Method, |
| 480 | Expr *Object, Expr **Args, unsigned NumArgs, |
| 481 | OverloadCandidateSet& CandidateSet, |
Douglas Gregor | 88a3514 | 2008-12-22 05:46:06 +0000 | [diff] [blame] | 482 | bool SuppressUserConversions = false); |
Douglas Gregor | f1991ea | 2008-11-07 22:36:19 +0000 | [diff] [blame] | 483 | void AddConversionCandidate(CXXConversionDecl *Conversion, |
| 484 | Expr *From, QualType ToType, |
| 485 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 106c6eb | 2008-11-19 22:57:39 +0000 | [diff] [blame] | 486 | void AddSurrogateCandidate(CXXConversionDecl *Conversion, |
| 487 | const FunctionTypeProto *Proto, |
| 488 | Expr *Object, Expr **Args, unsigned NumArgs, |
| 489 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 96176b3 | 2008-11-18 23:14:02 +0000 | [diff] [blame] | 490 | void AddOperatorCandidates(OverloadedOperatorKind Op, Scope *S, |
| 491 | Expr **Args, unsigned NumArgs, |
| 492 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 493 | void AddBuiltinCandidate(QualType ResultTy, QualType *ParamTys, |
| 494 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | 88b4bf2 | 2009-01-13 00:52:54 +0000 | [diff] [blame] | 495 | OverloadCandidateSet& CandidateSet, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 496 | bool IsAssignmentOperator = false, |
| 497 | unsigned NumContextualBoolArguments = 0); |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 498 | void AddBuiltinOperatorCandidates(OverloadedOperatorKind Op, |
| 499 | Expr **Args, unsigned NumArgs, |
| 500 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 501 | void AddOverloadCandidates(const OverloadedFunctionDecl *Ovl, |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 502 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 503 | OverloadCandidateSet& CandidateSet, |
| 504 | bool SuppressUserConversions = false); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 505 | bool isBetterOverloadCandidate(const OverloadCandidate& Cand1, |
| 506 | const OverloadCandidate& Cand2); |
| 507 | OverloadingResult BestViableFunction(OverloadCandidateSet& CandidateSet, |
| 508 | OverloadCandidateSet::iterator& Best); |
| 509 | void PrintOverloadCandidates(OverloadCandidateSet& CandidateSet, |
| 510 | bool OnlyViable); |
| 511 | |
Douglas Gregor | 904eed3 | 2008-11-10 20:40:00 +0000 | [diff] [blame] | 512 | FunctionDecl *ResolveAddressOfOverloadedFunction(Expr *From, QualType ToType, |
| 513 | bool Complain); |
| 514 | void FixOverloadedFunctionReference(Expr *E, FunctionDecl *Fn); |
| 515 | |
Douglas Gregor | 0a39668 | 2008-11-26 06:01:48 +0000 | [diff] [blame] | 516 | FunctionDecl *ResolveOverloadedCallFn(Expr *Fn, OverloadedFunctionDecl *Ovl, |
| 517 | SourceLocation LParenLoc, |
| 518 | Expr **Args, unsigned NumArgs, |
| 519 | SourceLocation *CommaLocs, |
| 520 | SourceLocation RParenLoc); |
Douglas Gregor | 88a3514 | 2008-12-22 05:46:06 +0000 | [diff] [blame] | 521 | ExprResult |
| 522 | BuildCallToMemberFunction(Scope *S, Expr *MemExpr, |
| 523 | SourceLocation LParenLoc, Expr **Args, |
| 524 | unsigned NumArgs, SourceLocation *CommaLocs, |
| 525 | SourceLocation RParenLoc); |
Douglas Gregor | f9eb905 | 2008-11-19 21:05:33 +0000 | [diff] [blame] | 526 | ExprResult |
Douglas Gregor | 5c37de7 | 2008-12-06 00:22:45 +0000 | [diff] [blame] | 527 | BuildCallToObjectOfClassType(Scope *S, Expr *Object, SourceLocation LParenLoc, |
Douglas Gregor | f9eb905 | 2008-11-19 21:05:33 +0000 | [diff] [blame] | 528 | Expr **Args, unsigned NumArgs, |
| 529 | SourceLocation *CommaLocs, |
| 530 | SourceLocation RParenLoc); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 531 | |
Douglas Gregor | 3fc749d | 2008-12-23 00:26:44 +0000 | [diff] [blame] | 532 | ExprResult BuildOverloadedArrowExpr(Scope *S, Expr *Base, SourceLocation OpLoc, |
Douglas Gregor | 8ba1074 | 2008-11-20 16:27:02 +0000 | [diff] [blame] | 533 | SourceLocation MemberLoc, |
| 534 | IdentifierInfo &Member); |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 535 | |
Chris Lattner | 823c44e | 2009-01-06 07:27:21 +0000 | [diff] [blame] | 536 | /// Helpers for dealing with function parameters. |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 537 | bool CheckParmsForFunctionDef(FunctionDecl *FD); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 538 | void CheckCXXDefaultArguments(FunctionDecl *FD); |
Douglas Gregor | 6d6eb57 | 2008-05-07 04:49:29 +0000 | [diff] [blame] | 539 | void CheckExtraCXXDefaultArguments(Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 540 | |
Douglas Gregor | f780abc | 2008-12-30 03:27:21 +0000 | [diff] [blame] | 541 | // FIXME: NamespaceNameOnly parameter is added temporarily |
| 542 | // we will need a better way to specify lookup criteria for things |
Chris Lattner | 823c44e | 2009-01-06 07:27:21 +0000 | [diff] [blame] | 543 | // like template specializations, explicit template instantiations, etc. |
Douglas Gregor | f780abc | 2008-12-30 03:27:21 +0000 | [diff] [blame] | 544 | |
Douglas Gregor | 1a0d31a | 2009-01-12 18:45:55 +0000 | [diff] [blame] | 545 | Scope *getNonFieldDeclScope(Scope *S); |
| 546 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 547 | /// \name Name lookup |
| 548 | /// |
| 549 | /// These routines provide name lookup that is used during semantic |
| 550 | /// analysis to resolve the various kinds of names (identifiers, |
| 551 | /// overloaded operator names, constructor names, etc.) into zero or |
| 552 | /// more declarations within a particular scope. The major entry |
| 553 | /// points are LookupName, which performs unqualified name lookup, |
| 554 | /// and LookupQualifiedName, which performs qualified name lookup. |
| 555 | /// |
| 556 | /// All name lookup is performed based on some specific criteria, |
| 557 | /// which specify what names will be visible to name lookup and how |
| 558 | /// far name lookup should work. These criteria are important both |
| 559 | /// for capturing language semantics (certain lookups will ignore |
| 560 | /// certain names, for example) and for performance, since name |
| 561 | /// lookup is often a bottleneck in the compilation of C++. Name |
| 562 | /// lookup criteria is specified via the LookupCriteria class. |
| 563 | /// |
| 564 | /// The results of name lookup can vary based on the kind of name |
| 565 | /// lookup performed, the current language, and the translation |
| 566 | /// unit. In C, for example, name lookup will either return nothing |
| 567 | /// (no entity found) or a single declaration. In C++, name lookup |
| 568 | /// can additionally refer to a set of overloaded functions or |
| 569 | /// result in an ambiguity. All of the possible results of name |
| 570 | /// lookup are captured by the LookupResult class, which provides |
| 571 | /// the ability to distinguish among them. |
| 572 | //@{ |
Douglas Gregor | f780abc | 2008-12-30 03:27:21 +0000 | [diff] [blame] | 573 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 574 | /// @brief Describes the criteria by which name lookup will |
| 575 | /// determine whether a given name will be found. |
| 576 | /// |
| 577 | /// The LookupCriteria class captures the information required to |
| 578 | /// direct name lookup to find the appropriate kind of name. It |
| 579 | /// includes information about which kinds of names to consider |
| 580 | /// (ordinary names, tag names, class/struct/union member names, |
| 581 | /// namespace names, etc.) and where to look for those |
| 582 | /// names. LookupCriteria is used throughout semantic analysis to |
| 583 | /// specify how to search for a name, e.g., with the LookupName and |
| 584 | /// LookupQualifiedName functions. |
| 585 | struct LookupCriteria { |
| 586 | /// NameKind - The kinds of names that we are looking for. |
| 587 | enum NameKind { |
| 588 | /// Ordinary - Ordinary name lookup, which finds ordinary names |
| 589 | /// (functions, variables, typedefs, etc.) in C and most kinds |
| 590 | /// of names (functions, variables, members, types, etc.) in |
| 591 | /// C++. |
| 592 | Ordinary, |
| 593 | /// Tag - Tag name lookup, which finds the names of enums, |
| 594 | /// classes, structs, and unions. |
| 595 | Tag, |
| 596 | /// Member - Member name lookup, which finds the names of |
| 597 | /// class/struct/union members. |
| 598 | Member, |
| 599 | /// NestedNameSpecifier - Look up of a name that precedes the |
| 600 | /// '::' scope resolution operator in C++. This lookup |
| 601 | /// completely ignores operator, function, and enumerator names |
| 602 | /// (C++ [basic.lookup.qual]p1). |
| 603 | NestedNameSpecifier, |
| 604 | /// Namespace - Look up a namespace name within a C++ |
| 605 | /// using directive or namespace alias definition, ignoring |
| 606 | /// non-namespace names (C++ [basic.lookup.udir]p1). |
| 607 | Namespace |
| 608 | } Kind; |
| 609 | |
| 610 | /// AllowLazyBuiltinCreation - If true, permits name lookup to |
| 611 | /// lazily build declarations for built-in names, e.g., |
| 612 | /// __builtin_expect. |
| 613 | bool AllowLazyBuiltinCreation; |
| 614 | |
| 615 | /// RedeclarationOnly - If true, the lookup will only |
| 616 | /// consider entities within the scope where the lookup |
| 617 | /// began. Entities that might otherwise meet the lookup criteria |
| 618 | /// but are not within the original lookup scope will be ignored. |
| 619 | bool RedeclarationOnly; |
| 620 | |
| 621 | /// IDNS - Bitwise OR of the appropriate Decl::IDNS_* flags that |
| 622 | /// describe the namespaces where we should look for names. This |
| 623 | /// field is determined by the kind of name we're searching for. |
| 624 | unsigned IDNS; |
| 625 | |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 626 | LookupCriteria() |
| 627 | : Kind(Ordinary), AllowLazyBuiltinCreation(true), |
| 628 | RedeclarationOnly(false), IDNS(Decl::IDNS_Ordinary) { } |
| 629 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 630 | LookupCriteria(NameKind K, bool RedeclarationOnly, bool CPlusPlus); |
| 631 | |
| 632 | bool isLookupResult(Decl *D) const; |
| 633 | }; |
| 634 | |
| 635 | /// @brief Represents the results of name lookup. |
| 636 | /// |
| 637 | /// An instance of the LookupResult class captures the results of a |
| 638 | /// single name lookup, which can return no result (nothing found), |
| 639 | /// a single declaration, a set of overloaded functions, or an |
| 640 | /// ambiguity. Use the getKind() method to determine which of these |
| 641 | /// results occurred for a given lookup. |
| 642 | /// |
| 643 | /// Any non-ambiguous lookup can be converted into a single |
| 644 | /// (possibly NULL) @c Decl* via a conversion function or the |
| 645 | /// getAsDecl() method. This conversion permits the common-case |
| 646 | /// usage in C and Objective-C where name lookup will always return |
| 647 | /// a single declaration. |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 648 | struct LookupResult { |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 649 | /// The kind of entity that is actually stored within the |
| 650 | /// LookupResult object. |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 651 | enum { |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 652 | /// First is a single declaration (a Decl*), which may be NULL. |
| 653 | SingleDecl, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 654 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 655 | /// [First, Last) is an iterator range represented as opaque |
| 656 | /// pointers used to reconstruct IdentifierResolver::iterators. |
| 657 | OverloadedDeclFromIdResolver, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 658 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 659 | /// [First, Last) is an iterator range represented as opaque |
| 660 | /// pointers used to reconstruct DeclContext::lookup_iterators. |
| 661 | OverloadedDeclFromDeclContext, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 662 | |
| 663 | /// First is a pointer to a BasePaths structure, which is owned |
| 664 | /// by the LookupResult. Last is non-zero to indicate that the |
| 665 | /// ambiguity is caused by two names found in base class |
| 666 | /// subobjects of different types. |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 667 | AmbiguousLookup |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 668 | } StoredKind; |
| 669 | |
| 670 | /// The first lookup result, whose contents depend on the kind of |
| 671 | /// lookup result. This may be a Decl* (if StoredKind == |
| 672 | /// SingleDecl), the opaque pointer from an |
| 673 | /// IdentifierResolver::iterator (if StoredKind == |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 674 | /// OverloadedDeclFromIdResolver), a DeclContext::lookup_iterator |
| 675 | /// (if StoredKind == OverloadedDeclFromDeclContext), or a |
| 676 | /// BasePaths pointer (if StoredKind == AmbiguousLookup). |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 677 | mutable uintptr_t First; |
| 678 | |
| 679 | /// The last lookup result, whose contents depend on the kind of |
| 680 | /// lookup result. This may be unused (if StoredKind == |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 681 | /// SingleDecl), it may have the same type as First (for |
| 682 | /// overloaded function declarations), or is may be used as a |
| 683 | /// Boolean value (if StoredKind == AmbiguousLookup). |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 684 | mutable uintptr_t Last; |
| 685 | |
| 686 | /// Context - The context in which we will build any |
| 687 | /// OverloadedFunctionDecl nodes needed by the conversion to |
| 688 | /// Decl*. |
| 689 | ASTContext *Context; |
| 690 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 691 | /// @brief The kind of entity found by name lookup. |
| 692 | enum LookupKind { |
| 693 | /// @brief No entity found met the criteria. |
| 694 | NotFound = 0, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 695 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 696 | /// @brief Name lookup found a single declaration that met the |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 697 | /// criteria. getAsDecl will return this declaration. |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 698 | Found, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 699 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 700 | /// @brief Name lookup found a set of overloaded functions that |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 701 | /// met the criteria. getAsDecl will turn this set of overloaded |
| 702 | /// functions into an OverloadedFunctionDecl. |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 703 | FoundOverloaded, |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 704 | |
| 705 | /// Name lookup results in an ambiguity because multiple |
| 706 | /// entities that meet the lookup criteria were found in |
| 707 | /// subobjects of different types. For example: |
| 708 | /// @code |
| 709 | /// struct A { void f(int); } |
| 710 | /// struct B { void f(double); } |
| 711 | /// struct C : A, B { }; |
| 712 | /// void test(C c) { |
| 713 | /// c.f(0); // error: A::f and B::f come from subobjects of different |
| 714 | /// // types. overload resolution is not performed. |
| 715 | /// } |
| 716 | /// @endcode |
| 717 | AmbiguousBaseSubobjectTypes, |
| 718 | |
| 719 | /// Name lookup results in an ambiguity because multiple |
| 720 | /// nonstatic entities that meet the lookup criteria were found |
| 721 | /// in different subobjects of the same type. For example: |
| 722 | /// @code |
| 723 | /// struct A { int x; }; |
| 724 | /// struct B : A { }; |
| 725 | /// struct C : A { }; |
| 726 | /// struct D : B, C { }; |
| 727 | /// int test(D d) { |
| 728 | /// return d.x; // error: 'x' is found in two A subobjects (of B and C) |
| 729 | /// } |
| 730 | /// @endcode |
| 731 | AmbiguousBaseSubobjects |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 732 | }; |
| 733 | |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 734 | static LookupResult CreateLookupResult(ASTContext &Context, Decl *D) { |
| 735 | LookupResult Result; |
| 736 | Result.StoredKind = SingleDecl; |
| 737 | Result.First = reinterpret_cast<uintptr_t>(D); |
| 738 | Result.Last = 0; |
| 739 | Result.Context = &Context; |
| 740 | return Result; |
| 741 | } |
Douglas Gregor | 4bb64e7 | 2009-01-15 02:19:31 +0000 | [diff] [blame] | 742 | |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 743 | static LookupResult CreateLookupResult(ASTContext &Context, |
| 744 | IdentifierResolver::iterator F, |
| 745 | IdentifierResolver::iterator L); |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 746 | |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 747 | static LookupResult CreateLookupResult(ASTContext &Context, |
| 748 | DeclContext::lookup_iterator F, |
| 749 | DeclContext::lookup_iterator L); |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 750 | |
Douglas Gregor | 69d993a | 2009-01-17 01:13:24 +0000 | [diff] [blame] | 751 | static LookupResult CreateLookupResult(ASTContext &Context, BasePaths *Paths, |
| 752 | bool DifferentSubobjectTypes) { |
| 753 | LookupResult Result; |
| 754 | Result.StoredKind = AmbiguousLookup; |
| 755 | Result.First = reinterpret_cast<uintptr_t>(Paths); |
| 756 | Result.Last = DifferentSubobjectTypes? 1 : 0; |
| 757 | Result.Context = &Context; |
| 758 | return Result; |
| 759 | } |
Douglas Gregor | 4bb64e7 | 2009-01-15 02:19:31 +0000 | [diff] [blame] | 760 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 761 | LookupKind getKind() const; |
| 762 | |
| 763 | /// @brief Determine whether name look found something. |
| 764 | operator bool() const { return getKind() != NotFound; } |
| 765 | |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 766 | /// @brief Determines whether the lookup resulted in an ambiguity. |
| 767 | bool isAmbiguous() const { return StoredKind == AmbiguousLookup; } |
| 768 | |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 769 | /// @brief Allows conversion of a lookup result into a |
| 770 | /// declaration, with the same behavior as getAsDecl. |
| 771 | operator Decl*() const { return getAsDecl(); } |
| 772 | |
| 773 | Decl* getAsDecl() const; |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 774 | |
| 775 | BasePaths *getBasePaths() const; |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 776 | }; |
| 777 | |
| 778 | LookupResult LookupName(Scope *S, DeclarationName Name, |
| 779 | LookupCriteria Criteria); |
| 780 | LookupResult LookupQualifiedName(DeclContext *LookupCtx, DeclarationName Name, |
| 781 | LookupCriteria Criteria); |
| 782 | LookupResult LookupParsedName(Scope *S, const CXXScopeSpec &SS, |
| 783 | DeclarationName Name, LookupCriteria Criteria); |
Steve Naroff | 3e8ffd2 | 2009-01-29 00:07:50 +0000 | [diff] [blame] | 784 | LookupResult LookupDeclInScope(DeclarationName Name, unsigned NSI, Scope *S, |
| 785 | bool LookInParent = true); |
| 786 | LookupResult LookupDeclInContext(DeclarationName Name, unsigned NSI, |
| 787 | const DeclContext *LookupCtx, |
Steve Naroff | 133147d | 2009-01-28 16:09:22 +0000 | [diff] [blame] | 788 | bool LookInParent = true); |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 789 | |
| 790 | bool DiagnoseAmbiguousLookup(LookupResult &Result, DeclarationName Name, |
| 791 | SourceLocation NameLoc, |
| 792 | SourceRange LookupRange = SourceRange()); |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 793 | //@} |
| 794 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 795 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 796 | NamedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 797 | Scope *S); |
Douglas Gregor | 4afa39d | 2009-01-20 01:17:11 +0000 | [diff] [blame] | 798 | NamedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
| 799 | Scope *S); |
Douglas Gregor | eb11cd0 | 2009-01-14 22:20:51 +0000 | [diff] [blame] | 800 | |
| 801 | // More parsing and symbol table subroutines. |
| 802 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 803 | // Decl attributes - this routine is the top level dispatcher. |
Chris Lattner | e5c5ee1 | 2008-06-29 00:16:31 +0000 | [diff] [blame] | 804 | void ProcessDeclAttributes(Decl *D, const Declarator &PD); |
Chris Lattner | f2e4bd5 | 2008-06-28 23:58:55 +0000 | [diff] [blame] | 805 | void ProcessDeclAttributeList(Decl *D, const AttributeList *AttrList); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 806 | |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 807 | void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| 808 | bool &IncompleteImpl); |
Fariborz Jahanian | 8daab97 | 2008-12-05 18:18:52 +0000 | [diff] [blame] | 809 | void WarnConflictingTypedMethods(ObjCMethodDecl *ImpMethod, |
| 810 | ObjCMethodDecl *IntfMethod); |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 811 | |
| 812 | NamespaceDecl *GetStdNamespace(); |
Fariborz Jahanian | d1fa644 | 2009-01-12 19:55:42 +0000 | [diff] [blame] | 813 | |
| 814 | bool isPropertyReadonly(ObjCPropertyDecl *PropertyDecl, |
| 815 | ObjCInterfaceDecl *IDecl) const; |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 816 | |
Chris Lattner | 823c44e | 2009-01-06 07:27:21 +0000 | [diff] [blame] | 817 | /// CheckProtocolMethodDefs - This routine checks unimplemented |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 818 | /// methods declared in protocol, and those referenced by it. |
| 819 | /// \param IDecl - Used for checking for methods which may have been |
| 820 | /// inherited. |
Steve Naroff | efe7f36 | 2008-02-08 22:06:17 +0000 | [diff] [blame] | 821 | void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| 822 | ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 823 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 824 | const llvm::DenseSet<Selector> &InsMap, |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 825 | const llvm::DenseSet<Selector> &ClsMap, |
| 826 | ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 827 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 828 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 829 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 830 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 831 | ObjCIvarDecl **Fields, unsigned nIvars, |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 832 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 833 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 834 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 835 | /// remains unimplemented in the @implementation class. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 836 | void ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl, |
| 837 | ObjCInterfaceDecl* IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 838 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 839 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 840 | /// category interface is implemented in the category @implementation. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 841 | void ImplCategoryMethodsVsIntfMethods(ObjCCategoryImplDecl *CatImplDecl, |
| 842 | ObjCCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 843 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 844 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 845 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
Steve Naroff | fe6b0dc | 2008-10-21 10:37:50 +0000 | [diff] [blame] | 846 | const ObjCMethodDecl *PrevMethod, |
| 847 | bool matchBasedOnSizeAndAlignment = false); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 848 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 849 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 850 | /// unit are added to a global pool. This allows us to efficiently associate |
| 851 | /// a selector with a method declaraation for purposes of typechecking |
| 852 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 853 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 854 | |
Steve Naroff | 037cda5 | 2008-09-30 14:38:43 +0000 | [diff] [blame] | 855 | /// LookupInstanceMethodInGlobalPool - Returns the method and warns if |
| 856 | /// there are multiple signatures. |
| 857 | ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R); |
| 858 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 859 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 860 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 861 | //===--------------------------------------------------------------------===// |
| 862 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 863 | public: |
Sebastian Redl | a60528c | 2008-12-21 12:04:03 +0000 | [diff] [blame] | 864 | virtual OwningStmtResult ActOnExprStmt(ExprArg Expr); |
| 865 | |
| 866 | virtual OwningStmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 867 | virtual OwningStmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
| 868 | MultiStmtArg Elts, |
| 869 | bool isStmtExpr); |
| 870 | virtual OwningStmtResult ActOnDeclStmt(DeclTy *Decl, SourceLocation StartLoc, |
| 871 | SourceLocation EndLoc); |
Sebastian Redl | 117054a | 2008-12-28 16:13:43 +0000 | [diff] [blame] | 872 | virtual OwningStmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprArg LHSVal, |
| 873 | SourceLocation DotDotDotLoc, ExprArg RHSVal, |
| 874 | SourceLocation ColonLoc, StmtArg SubStmt); |
| 875 | virtual OwningStmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
| 876 | SourceLocation ColonLoc, |
| 877 | StmtArg SubStmt, Scope *CurScope); |
Sebastian Redl | de30747 | 2009-01-11 00:38:46 +0000 | [diff] [blame] | 878 | virtual OwningStmtResult ActOnLabelStmt(SourceLocation IdentLoc, |
| 879 | IdentifierInfo *II, |
| 880 | SourceLocation ColonLoc, |
| 881 | StmtArg SubStmt); |
| 882 | virtual OwningStmtResult ActOnIfStmt(SourceLocation IfLoc, ExprArg CondVal, |
| 883 | StmtArg ThenVal, SourceLocation ElseLoc, |
| 884 | StmtArg ElseVal); |
| 885 | virtual OwningStmtResult ActOnStartOfSwitchStmt(ExprArg Cond); |
| 886 | virtual OwningStmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 887 | StmtArg Switch, StmtArg Body); |
Sebastian Redl | f05b152 | 2009-01-16 23:28:06 +0000 | [diff] [blame] | 888 | virtual OwningStmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprArg Cond, |
| 889 | StmtArg Body); |
| 890 | virtual OwningStmtResult ActOnDoStmt(SourceLocation DoLoc, StmtArg Body, |
| 891 | SourceLocation WhileLoc, ExprArg Cond); |
| 892 | |
| 893 | virtual OwningStmtResult ActOnForStmt(SourceLocation ForLoc, |
| 894 | SourceLocation LParenLoc, |
| 895 | StmtArg First, ExprArg Second, |
| 896 | ExprArg Third, SourceLocation RParenLoc, |
| 897 | StmtArg Body); |
| 898 | virtual OwningStmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
| 899 | SourceLocation LParenLoc, |
| 900 | StmtArg First, ExprArg Second, |
| 901 | SourceLocation RParenLoc, StmtArg Body); |
Sebastian Redl | 4cffe2f | 2009-01-18 13:19:59 +0000 | [diff] [blame] | 902 | |
| 903 | virtual OwningStmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
| 904 | SourceLocation LabelLoc, |
| 905 | IdentifierInfo *LabelII); |
| 906 | virtual OwningStmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
| 907 | SourceLocation StarLoc, |
| 908 | ExprArg DestExp); |
| 909 | virtual OwningStmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
| 910 | Scope *CurScope); |
| 911 | virtual OwningStmtResult ActOnBreakStmt(SourceLocation GotoLoc, |
| 912 | Scope *CurScope); |
| 913 | |
| 914 | virtual OwningStmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
| 915 | ExprArg RetValExp); |
| 916 | OwningStmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc, |
| 917 | Expr *RetValExp); |
| 918 | |
Sebastian Redl | 3037ed0 | 2009-01-18 16:53:17 +0000 | [diff] [blame] | 919 | virtual OwningStmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
| 920 | bool IsSimple, |
| 921 | bool IsVolatile, |
| 922 | unsigned NumOutputs, |
| 923 | unsigned NumInputs, |
| 924 | std::string *Names, |
| 925 | MultiExprArg Constraints, |
| 926 | MultiExprArg Exprs, |
| 927 | ExprArg AsmString, |
| 928 | MultiExprArg Clobbers, |
| 929 | SourceLocation RParenLoc); |
Sebastian Redl | 431e90e | 2009-01-18 17:43:11 +0000 | [diff] [blame] | 930 | |
| 931 | virtual OwningStmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
| 932 | SourceLocation RParen, |
| 933 | StmtArg Parm, StmtArg Body, |
| 934 | StmtArg CatchList); |
| 935 | |
| 936 | virtual OwningStmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
| 937 | StmtArg Body); |
| 938 | |
| 939 | virtual OwningStmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
| 940 | StmtArg Try, |
| 941 | StmtArg Catch, StmtArg Finally); |
| 942 | |
| 943 | virtual OwningStmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
| 944 | ExprArg Throw); |
| 945 | virtual OwningStmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| 946 | ExprArg SynchExpr, |
| 947 | StmtArg SynchBody); |
Sebastian Redl | a0fd865 | 2008-12-21 16:41:36 +0000 | [diff] [blame] | 948 | |
Sebastian Redl | 4b07b29 | 2008-12-22 19:15:10 +0000 | [diff] [blame] | 949 | virtual DeclTy *ActOnExceptionDeclarator(Scope *S, Declarator &D); |
| 950 | virtual OwningStmtResult ActOnCXXCatchBlock(SourceLocation CatchLoc, |
| 951 | DeclTy *ExDecl, |
| 952 | StmtArg HandlerBlock); |
Sebastian Redl | 8351da0 | 2008-12-22 21:35:02 +0000 | [diff] [blame] | 953 | virtual OwningStmtResult ActOnCXXTryBlock(SourceLocation TryLoc, |
| 954 | StmtArg TryBlock, |
| 955 | MultiStmtArg Handlers); |
Sebastian Redl | a0fd865 | 2008-12-21 16:41:36 +0000 | [diff] [blame] | 956 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 957 | //===--------------------------------------------------------------------===// |
| 958 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 959 | |
| 960 | // Primary Expressions. |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 961 | virtual OwningExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
| 962 | IdentifierInfo &II, |
| 963 | bool HasTrailingLParen, |
| 964 | const CXXScopeSpec *SS = 0); |
| 965 | virtual OwningExprResult ActOnCXXOperatorFunctionIdExpr(Scope *S, |
Douglas Gregor | 487a75a | 2008-11-19 19:09:45 +0000 | [diff] [blame] | 966 | SourceLocation OperatorLoc, |
| 967 | OverloadedOperatorKind Op, |
| 968 | bool HasTrailingLParen, |
| 969 | const CXXScopeSpec &SS); |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 970 | virtual OwningExprResult ActOnCXXConversionFunctionExpr(Scope *S, |
Douglas Gregor | 487a75a | 2008-11-19 19:09:45 +0000 | [diff] [blame] | 971 | SourceLocation OperatorLoc, |
| 972 | TypeTy *Ty, |
| 973 | bool HasTrailingLParen, |
| 974 | const CXXScopeSpec &SS); |
Douglas Gregor | 1a49af9 | 2009-01-06 05:10:23 +0000 | [diff] [blame] | 975 | DeclRefExpr *BuildDeclRefExpr(NamedDecl *D, QualType Ty, SourceLocation Loc, |
| 976 | bool TypeDependent, bool ValueDependent, |
| 977 | const CXXScopeSpec *SS = 0); |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 978 | OwningExprResult |
Douglas Gregor | bcbffc4 | 2009-01-07 00:43:41 +0000 | [diff] [blame] | 979 | BuildAnonymousStructUnionMemberReference(SourceLocation Loc, |
| 980 | FieldDecl *Field, |
| 981 | Expr *BaseObjectExpr = 0, |
| 982 | SourceLocation OpLoc = SourceLocation()); |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 983 | OwningExprResult ActOnDeclarationNameExpr(Scope *S, SourceLocation Loc, |
| 984 | DeclarationName Name, |
| 985 | bool HasTrailingLParen, |
| 986 | const CXXScopeSpec *SS, |
| 987 | bool ForceResolution = false); |
Douglas Gregor | 10c4262 | 2008-11-18 15:03:34 +0000 | [diff] [blame] | 988 | |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 989 | virtual OwningExprResult ActOnPredefinedExpr(SourceLocation Loc, |
| 990 | tok::TokenKind Kind); |
| 991 | virtual OwningExprResult ActOnNumericConstant(const Token &); |
| 992 | virtual OwningExprResult ActOnCharacterConstant(const Token &); |
| 993 | virtual OwningExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
| 994 | ExprArg Val); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 995 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 996 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 997 | /// fragments (e.g. "foo" "bar" L"baz"). |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 998 | virtual OwningExprResult ActOnStringLiteral(const Token *Toks, |
| 999 | unsigned NumToks); |
Sebastian Redl | cd965b9 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 1000 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1001 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1002 | virtual OwningExprResult ActOnUnaryOp(Scope *S, SourceLocation OpLoc, |
| 1003 | tok::TokenKind Op, ExprArg Input); |
| 1004 | virtual OwningExprResult |
Sebastian Redl | 0518999 | 2008-11-11 17:56:53 +0000 | [diff] [blame] | 1005 | ActOnSizeOfAlignOfExpr(SourceLocation OpLoc, bool isSizeof, bool isType, |
| 1006 | void *TyOrEx, const SourceRange &ArgRange); |
| 1007 | |
Chris Lattner | 31e21e0 | 2009-01-24 20:17:12 +0000 | [diff] [blame] | 1008 | bool CheckAlignOfExpr(Expr *E, SourceLocation OpLoc, const SourceRange &R); |
Sebastian Redl | 0518999 | 2008-11-11 17:56:53 +0000 | [diff] [blame] | 1009 | bool CheckSizeOfAlignOfOperand(QualType type, SourceLocation OpLoc, |
| 1010 | const SourceRange &R, bool isSizeof); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1011 | |
| 1012 | virtual OwningExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc, |
| 1013 | tok::TokenKind Kind, |
| 1014 | ExprArg Input); |
| 1015 | |
| 1016 | virtual OwningExprResult ActOnArraySubscriptExpr(Scope *S, ExprArg Base, |
| 1017 | SourceLocation LLoc, |
| 1018 | ExprArg Idx, |
| 1019 | SourceLocation RLoc); |
| 1020 | virtual OwningExprResult ActOnMemberReferenceExpr(Scope *S, ExprArg Base, |
| 1021 | SourceLocation OpLoc, |
| 1022 | tok::TokenKind OpKind, |
| 1023 | SourceLocation MemberLoc, |
| 1024 | IdentifierInfo &Member); |
| 1025 | bool ConvertArgumentsForCall(CallExpr *Call, Expr *Fn, |
Douglas Gregor | 88a3514 | 2008-12-22 05:46:06 +0000 | [diff] [blame] | 1026 | FunctionDecl *FDecl, |
| 1027 | const FunctionTypeProto *Proto, |
| 1028 | Expr **Args, unsigned NumArgs, |
| 1029 | SourceLocation RParenLoc); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1030 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1031 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1032 | /// This provides the location of the left/right parens and a list of comma |
| 1033 | /// locations. |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1034 | virtual OwningExprResult ActOnCallExpr(Scope *S, ExprArg Fn, |
| 1035 | SourceLocation LParenLoc, |
| 1036 | MultiExprArg Args, |
| 1037 | SourceLocation *CommaLocs, |
| 1038 | SourceLocation RParenLoc); |
| 1039 | |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 1040 | virtual OwningExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
| 1041 | SourceLocation RParenLoc, ExprArg Op); |
| 1042 | |
| 1043 | virtual OwningExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, |
| 1044 | TypeTy *Ty, |
| 1045 | SourceLocation RParenLoc, |
| 1046 | ExprArg Op); |
| 1047 | |
| 1048 | virtual OwningExprResult ActOnInitList(SourceLocation LParenLoc, |
| 1049 | MultiExprArg InitList, |
| 1050 | InitListDesignations &Designators, |
| 1051 | SourceLocation RParenLoc); |
| 1052 | |
Douglas Gregor | 05c13a3 | 2009-01-22 00:58:24 +0000 | [diff] [blame] | 1053 | virtual OwningExprResult ActOnDesignatedInitializer(Designation &Desig, |
| 1054 | SourceLocation Loc, |
| 1055 | bool UsedColonSyntax, |
| 1056 | OwningExprResult Init); |
| 1057 | |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 1058 | virtual OwningExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc, |
| 1059 | tok::TokenKind Kind, |
| 1060 | ExprArg LHS, ExprArg RHS); |
| 1061 | OwningExprResult CreateBuiltinBinOp(SourceLocation TokLoc, |
| 1062 | unsigned Opc, Expr *lhs, Expr *rhs); |
Douglas Gregor | eaebc75 | 2008-11-06 23:29:22 +0000 | [diff] [blame] | 1063 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1064 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1065 | /// in the case of a the GNU conditional expr extension. |
Sebastian Redl | b8a6aca | 2009-01-19 22:31:54 +0000 | [diff] [blame] | 1066 | virtual OwningExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
| 1067 | SourceLocation ColonLoc, |
| 1068 | ExprArg Cond, ExprArg LHS, |
| 1069 | ExprArg RHS); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1070 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1071 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 1072 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1073 | IdentifierInfo *LabelII); |
| 1074 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1075 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 1076 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 1077 | |
| 1078 | /// __builtin_offsetof(type, a.b[123][456].c) |
Douglas Gregor | 3fc749d | 2008-12-23 00:26:44 +0000 | [diff] [blame] | 1079 | virtual ExprResult ActOnBuiltinOffsetOf(Scope *S, |
| 1080 | SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 1081 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 1082 | OffsetOfComponent *CompPtr, |
| 1083 | unsigned NumComponents, |
| 1084 | SourceLocation RParenLoc); |
| 1085 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 1086 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1087 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 1088 | TypeTy *arg1, TypeTy *arg2, |
| 1089 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 1090 | |
| 1091 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1092 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 1093 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 1094 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 1095 | |
Nate Begeman | e2ce1d9 | 2008-01-17 17:46:27 +0000 | [diff] [blame] | 1096 | // __builtin_overload(...) |
| 1097 | virtual ExprResult ActOnOverloadExpr(ExprTy **Args, unsigned NumArgs, |
| 1098 | SourceLocation *CommaLocs, |
| 1099 | SourceLocation BuiltinLoc, |
| 1100 | SourceLocation RParenLoc); |
Nate Begeman | 440b456 | 2008-03-07 20:04:22 +0000 | [diff] [blame] | 1101 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 1102 | // __builtin_va_arg(expr, type) |
| 1103 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 1104 | ExprTy *expr, TypeTy *type, |
| 1105 | SourceLocation RPLoc); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1106 | |
Douglas Gregor | 2d8b273 | 2008-11-29 04:51:27 +0000 | [diff] [blame] | 1107 | // __null |
| 1108 | virtual ExprResult ActOnGNUNullExpr(SourceLocation TokenLoc); |
| 1109 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1110 | //===------------------------- "Block" Extension ------------------------===// |
| 1111 | |
| 1112 | /// ActOnBlockStart - This callback is invoked when a block literal is |
| 1113 | /// started. |
Steve Naroff | 090276f | 2008-10-10 01:28:17 +0000 | [diff] [blame] | 1114 | virtual void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope); |
| 1115 | |
| 1116 | /// ActOnBlockArguments - This callback allows processing of block arguments. |
| 1117 | /// If there are no arguments, this is still invoked. |
| 1118 | virtual void ActOnBlockArguments(Declarator &ParamInfo); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1119 | |
| 1120 | /// ActOnBlockError - If there is an error parsing a block, this callback |
| 1121 | /// is invoked to pop the information about the block from the action impl. |
| 1122 | virtual void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); |
| 1123 | |
| 1124 | /// ActOnBlockStmtExpr - This is called when the body of a block statement |
| 1125 | /// literal was successfully completed. ^(int x){...} |
| 1126 | virtual ExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, StmtTy *Body, |
| 1127 | Scope *CurScope); |
| 1128 | |
Argyrios Kyrtzidis | 2d1c5d3 | 2008-04-27 13:50:30 +0000 | [diff] [blame] | 1129 | // Act on C++ namespaces |
| 1130 | virtual DeclTy *ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc, |
| 1131 | IdentifierInfo *Ident, |
| 1132 | SourceLocation LBrace); |
| 1133 | virtual void ActOnFinishNamespaceDef(DeclTy *Dcl, SourceLocation RBrace); |
| 1134 | |
Douglas Gregor | f780abc | 2008-12-30 03:27:21 +0000 | [diff] [blame] | 1135 | virtual DeclTy *ActOnUsingDirective(Scope *CurScope, |
| 1136 | SourceLocation UsingLoc, |
| 1137 | SourceLocation NamespcLoc, |
| 1138 | const CXXScopeSpec &SS, |
| 1139 | SourceLocation IdentLoc, |
| 1140 | IdentifierInfo *NamespcName, |
| 1141 | AttributeList *AttrList); |
| 1142 | |
Argyrios Kyrtzidis | 73a0d88 | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 1143 | /// AddCXXDirectInitializerToDecl - This action is called immediately after |
| 1144 | /// ActOnDeclarator, when a C++ direct initializer is present. |
| 1145 | /// e.g: "int x(1);" |
| 1146 | virtual void AddCXXDirectInitializerToDecl(DeclTy *Dcl, |
| 1147 | SourceLocation LParenLoc, |
| 1148 | ExprTy **Exprs, unsigned NumExprs, |
| 1149 | SourceLocation *CommaLocs, |
| 1150 | SourceLocation RParenLoc); |
| 1151 | |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 1152 | /// InitializationKind - Represents which kind of C++ initialization |
| 1153 | /// [dcl.init] a routine is to perform. |
| 1154 | enum InitializationKind { |
| 1155 | IK_Direct, ///< Direct initialization |
| 1156 | IK_Copy, ///< Copy initialization |
| 1157 | IK_Default ///< Default initialization |
| 1158 | }; |
| 1159 | |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 1160 | CXXConstructorDecl * |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 1161 | PerformInitializationByConstructor(QualType ClassType, |
| 1162 | Expr **Args, unsigned NumArgs, |
| 1163 | SourceLocation Loc, SourceRange Range, |
Chris Lattner | d9d22dd | 2008-11-24 05:29:24 +0000 | [diff] [blame] | 1164 | DeclarationName InitEntity, |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 1165 | InitializationKind Kind); |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 1166 | |
Douglas Gregor | 49badde | 2008-10-27 19:41:14 +0000 | [diff] [blame] | 1167 | /// ActOnCXXNamedCast - Parse {dynamic,static,reinterpret,const}_cast's. |
| 1168 | virtual ExprResult ActOnCXXNamedCast(SourceLocation OpLoc, tok::TokenKind Kind, |
| 1169 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 1170 | SourceLocation RAngleBracketLoc, |
| 1171 | SourceLocation LParenLoc, ExprTy *E, |
| 1172 | SourceLocation RParenLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1173 | |
Sebastian Redl | c42e118 | 2008-11-11 11:37:55 +0000 | [diff] [blame] | 1174 | /// ActOnCXXTypeidOfType - Parse typeid( type-id ). |
| 1175 | virtual ExprResult ActOnCXXTypeid(SourceLocation OpLoc, |
| 1176 | SourceLocation LParenLoc, bool isType, |
| 1177 | void *TyOrExpr, SourceLocation RParenLoc); |
| 1178 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 1179 | //// ActOnCXXThis - Parse 'this' pointer. |
| 1180 | virtual ExprResult ActOnCXXThis(SourceLocation ThisLoc); |
| 1181 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1182 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 1183 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1184 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1185 | |
Chris Lattner | 50dd289 | 2008-02-26 00:51:44 +0000 | [diff] [blame] | 1186 | //// ActOnCXXThrow - Parse throw expressions. |
| 1187 | virtual ExprResult ActOnCXXThrow(SourceLocation OpLoc, |
| 1188 | ExprTy *expr); |
| 1189 | |
Argyrios Kyrtzidis | 987a14b | 2008-08-22 15:38:55 +0000 | [diff] [blame] | 1190 | /// ActOnCXXTypeConstructExpr - Parse construction of a specified type. |
| 1191 | /// Can be interpreted either as function-style casting ("int(x)") |
| 1192 | /// or class type construction ("ClassType(x,y,z)") |
| 1193 | /// or creation of a value-initialized type ("int()"). |
| 1194 | virtual ExprResult ActOnCXXTypeConstructExpr(SourceRange TypeRange, |
| 1195 | TypeTy *TypeRep, |
| 1196 | SourceLocation LParenLoc, |
| 1197 | ExprTy **Exprs, |
| 1198 | unsigned NumExprs, |
| 1199 | SourceLocation *CommaLocs, |
| 1200 | SourceLocation RParenLoc); |
| 1201 | |
Sebastian Redl | 4c5d320 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 1202 | /// ActOnCXXNew - Parsed a C++ 'new' expression. |
| 1203 | virtual ExprResult ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, |
| 1204 | SourceLocation PlacementLParen, |
| 1205 | ExprTy **PlacementArgs, unsigned NumPlaceArgs, |
| 1206 | SourceLocation PlacementRParen, |
Sebastian Redl | cee63fb | 2008-12-02 14:43:59 +0000 | [diff] [blame] | 1207 | bool ParenTypeId, Declarator &D, |
Sebastian Redl | 4c5d320 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 1208 | SourceLocation ConstructorLParen, |
| 1209 | ExprTy **ConstructorArgs, unsigned NumConsArgs, |
| 1210 | SourceLocation ConstructorRParen); |
Sebastian Redl | cee63fb | 2008-12-02 14:43:59 +0000 | [diff] [blame] | 1211 | bool CheckAllocatedType(QualType AllocType, const Declarator &D); |
Sebastian Redl | b5a57a6 | 2008-12-03 20:26:15 +0000 | [diff] [blame] | 1212 | bool FindAllocationFunctions(SourceLocation StartLoc, bool UseGlobal, |
| 1213 | QualType AllocType, bool IsArray, |
| 1214 | Expr **PlaceArgs, unsigned NumPlaceArgs, |
| 1215 | FunctionDecl *&OperatorNew, |
| 1216 | FunctionDecl *&OperatorDelete); |
Sebastian Redl | 7f66239 | 2008-12-04 22:20:51 +0000 | [diff] [blame] | 1217 | bool FindAllocationOverload(SourceLocation StartLoc, DeclarationName Name, |
| 1218 | Expr** Args, unsigned NumArgs, DeclContext *Ctx, |
| 1219 | bool AllowMissing, FunctionDecl *&Operator); |
Sebastian Redl | b5a57a6 | 2008-12-03 20:26:15 +0000 | [diff] [blame] | 1220 | void DeclareGlobalNewDelete(); |
| 1221 | void DeclareGlobalAllocationFunction(DeclarationName Name, QualType Return, |
| 1222 | QualType Argument); |
Sebastian Redl | 4c5d320 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 1223 | |
| 1224 | /// ActOnCXXDelete - Parsed a C++ 'delete' expression |
| 1225 | virtual ExprResult ActOnCXXDelete(SourceLocation StartLoc, bool UseGlobal, |
| 1226 | bool ArrayForm, ExprTy *Operand); |
| 1227 | |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 1228 | /// ActOnCXXConditionDeclarationExpr - Parsed a condition declaration of a |
| 1229 | /// C++ if/switch/while/for statement. |
| 1230 | /// e.g: "if (int x = f()) {...}" |
| 1231 | virtual ExprResult ActOnCXXConditionDeclarationExpr(Scope *S, |
| 1232 | SourceLocation StartLoc, |
| 1233 | Declarator &D, |
| 1234 | SourceLocation EqualLoc, |
| 1235 | ExprTy *AssignExprVal); |
| 1236 | |
Sebastian Redl | 64b45f7 | 2009-01-05 20:52:13 +0000 | [diff] [blame] | 1237 | /// ActOnUnaryTypeTrait - Parsed one of the unary type trait support |
| 1238 | /// pseudo-functions. |
| 1239 | virtual OwningExprResult ActOnUnaryTypeTrait(UnaryTypeTrait OTT, |
| 1240 | SourceLocation KWLoc, |
| 1241 | SourceLocation LParen, |
| 1242 | TypeTy *Ty, |
| 1243 | SourceLocation RParen); |
| 1244 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 1245 | /// ActOnCXXGlobalScopeSpecifier - Return the object that represents the |
| 1246 | /// global scope ('::'). |
| 1247 | virtual CXXScopeTy *ActOnCXXGlobalScopeSpecifier(Scope *S, |
| 1248 | SourceLocation CCLoc); |
| 1249 | |
| 1250 | /// ActOnCXXNestedNameSpecifier - Called during parsing of a |
| 1251 | /// nested-name-specifier. e.g. for "foo::bar::" we parsed "foo::" and now |
| 1252 | /// we want to resolve "bar::". 'SS' is empty or the previously parsed |
| 1253 | /// nested-name part ("foo::"), 'IdLoc' is the source location of 'bar', |
| 1254 | /// 'CCLoc' is the location of '::' and 'II' is the identifier for 'bar'. |
| 1255 | /// Returns a CXXScopeTy* object representing the C++ scope. |
| 1256 | virtual CXXScopeTy *ActOnCXXNestedNameSpecifier(Scope *S, |
| 1257 | const CXXScopeSpec &SS, |
| 1258 | SourceLocation IdLoc, |
| 1259 | SourceLocation CCLoc, |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 1260 | IdentifierInfo &II); |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 1261 | |
| 1262 | /// ActOnCXXEnterDeclaratorScope - Called when a C++ scope specifier (global |
| 1263 | /// scope or nested-name-specifier) is parsed, part of a declarator-id. |
| 1264 | /// After this method is called, according to [C++ 3.4.3p3], names should be |
| 1265 | /// looked up in the declarator-id's scope, until the declarator is parsed and |
| 1266 | /// ActOnCXXExitDeclaratorScope is called. |
| 1267 | /// The 'SS' should be a non-empty valid CXXScopeSpec. |
| 1268 | virtual void ActOnCXXEnterDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
| 1269 | |
| 1270 | /// ActOnCXXExitDeclaratorScope - Called when a declarator that previously |
| 1271 | /// invoked ActOnCXXEnterDeclaratorScope(), is finished. 'SS' is the same |
| 1272 | /// CXXScopeSpec that was passed to ActOnCXXEnterDeclaratorScope as well. |
| 1273 | /// Used to indicate that names should revert to being looked up in the |
| 1274 | /// defining scope. |
Douglas Gregor | 0a59acb | 2008-12-16 00:38:16 +0000 | [diff] [blame] | 1275 | virtual void ActOnCXXExitDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame] | 1276 | |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 1277 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 1278 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 1279 | ExprTy **Strings, |
| 1280 | unsigned NumStrings); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 1281 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 1282 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 1283 | SourceLocation LParenLoc, |
| 1284 | TypeTy *Ty, |
| 1285 | SourceLocation RParenLoc); |
| 1286 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 1287 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 1288 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 1289 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 1290 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 1291 | SourceLocation LParenLoc, |
| 1292 | SourceLocation RParenLoc); |
| 1293 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 1294 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 1295 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 1296 | SourceLocation AtLoc, |
| 1297 | SourceLocation ProtoLoc, |
| 1298 | SourceLocation LParenLoc, |
| 1299 | SourceLocation RParenLoc); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 1300 | |
| 1301 | //===--------------------------------------------------------------------===// |
Douglas Gregor | 074149e | 2009-01-05 19:45:36 +0000 | [diff] [blame] | 1302 | // C++ Declarations |
| 1303 | // |
| 1304 | virtual DeclTy *ActOnStartLinkageSpecification(Scope *S, |
| 1305 | SourceLocation ExternLoc, |
| 1306 | SourceLocation LangLoc, |
| 1307 | const char *Lang, |
| 1308 | unsigned StrSize, |
| 1309 | SourceLocation LBraceLoc); |
| 1310 | virtual DeclTy *ActOnFinishLinkageSpecification(Scope *S, |
| 1311 | DeclTy *LinkageSpec, |
| 1312 | SourceLocation RBraceLoc); |
| 1313 | |
| 1314 | |
| 1315 | //===--------------------------------------------------------------------===// |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 1316 | // C++ Classes |
| 1317 | // |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1318 | virtual bool isCurrentClassName(const IdentifierInfo &II, Scope *S, |
| 1319 | const CXXScopeSpec *SS); |
Douglas Gregor | b48fe38 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 1320 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 1321 | virtual DeclTy *ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, |
| 1322 | Declarator &D, ExprTy *BitfieldWidth, |
| 1323 | ExprTy *Init, DeclTy *LastInGroup); |
| 1324 | |
Douglas Gregor | 7ad8390 | 2008-11-05 04:29:56 +0000 | [diff] [blame] | 1325 | virtual MemInitResult ActOnMemInitializer(DeclTy *ConstructorD, |
| 1326 | Scope *S, |
| 1327 | IdentifierInfo *MemberOrBase, |
| 1328 | SourceLocation IdLoc, |
| 1329 | SourceLocation LParenLoc, |
| 1330 | ExprTy **Args, unsigned NumArgs, |
| 1331 | SourceLocation *CommaLocs, |
| 1332 | SourceLocation RParenLoc); |
| 1333 | |
Douglas Gregor | 396b7cd | 2008-11-03 17:51:48 +0000 | [diff] [blame] | 1334 | void AddImplicitlyDeclaredMembersToClass(CXXRecordDecl *ClassDecl); |
| 1335 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 1336 | virtual void ActOnFinishCXXMemberSpecification(Scope* S, SourceLocation RLoc, |
| 1337 | DeclTy *TagDecl, |
| 1338 | SourceLocation LBrac, |
| 1339 | SourceLocation RBrac); |
| 1340 | |
Douglas Gregor | 72b505b | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 1341 | virtual void ActOnStartDelayedCXXMethodDeclaration(Scope *S, DeclTy *Method); |
| 1342 | virtual void ActOnDelayedCXXMethodParameter(Scope *S, DeclTy *Param); |
| 1343 | virtual void ActOnFinishDelayedCXXMethodDeclaration(Scope *S, DeclTy *Method); |
| 1344 | |
Douglas Gregor | 42a552f | 2008-11-05 20:51:48 +0000 | [diff] [blame] | 1345 | bool CheckConstructorDeclarator(Declarator &D, QualType &R, |
| 1346 | FunctionDecl::StorageClass& SC); |
Douglas Gregor | 72b505b | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 1347 | bool CheckConstructor(CXXConstructorDecl *Constructor); |
Douglas Gregor | 42a552f | 2008-11-05 20:51:48 +0000 | [diff] [blame] | 1348 | bool CheckDestructorDeclarator(Declarator &D, QualType &R, |
| 1349 | FunctionDecl::StorageClass& SC); |
Douglas Gregor | 2f1bc52 | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 1350 | bool CheckConversionDeclarator(Declarator &D, QualType &R, |
| 1351 | FunctionDecl::StorageClass& SC); |
Douglas Gregor | 2f1bc52 | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 1352 | DeclTy *ActOnConversionDeclarator(CXXConversionDecl *Conversion); |
Douglas Gregor | b48fe38 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 1353 | |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 1354 | //===--------------------------------------------------------------------===// |
| 1355 | // C++ Derived Classes |
| 1356 | // |
| 1357 | |
| 1358 | /// ActOnBaseSpecifier - Parsed a base specifier |
| 1359 | virtual BaseResult ActOnBaseSpecifier(DeclTy *classdecl, |
| 1360 | SourceRange SpecifierRange, |
| 1361 | bool Virtual, AccessSpecifier Access, |
| 1362 | TypeTy *basetype, SourceLocation BaseLoc); |
| 1363 | |
| 1364 | virtual void ActOnBaseSpecifiers(DeclTy *ClassDecl, BaseTy **Bases, |
| 1365 | unsigned NumBases); |
| 1366 | |
| 1367 | bool IsDerivedFrom(QualType Derived, QualType Base); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 1368 | bool IsDerivedFrom(QualType Derived, QualType Base, BasePaths &Paths); |
Douglas Gregor | 7176fff | 2009-01-15 00:26:24 +0000 | [diff] [blame] | 1369 | bool LookupInBases(CXXRecordDecl *Class, const MemberLookupCriteria& Criteria, |
| 1370 | BasePaths &Paths); |
Douglas Gregor | 0575d4a | 2008-10-24 16:17:19 +0000 | [diff] [blame] | 1371 | bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
| 1372 | SourceLocation Loc, SourceRange Range); |
Douglas Gregor | 4dc6b1c | 2009-01-16 00:38:09 +0000 | [diff] [blame] | 1373 | std::string getAmbiguousPathsDisplayString(BasePaths &Paths); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 1374 | |
Douglas Gregor | 1cd1b1e | 2008-11-06 22:13:31 +0000 | [diff] [blame] | 1375 | //===--------------------------------------------------------------------===// |
| 1376 | // C++ Overloaded Operators [C++ 13.5] |
| 1377 | // |
| 1378 | |
| 1379 | bool CheckOverloadedOperatorDeclaration(FunctionDecl *FnDecl); |
| 1380 | |
Douglas Gregor | 72c3f31 | 2008-12-05 18:15:24 +0000 | [diff] [blame] | 1381 | //===--------------------------------------------------------------------===// |
| 1382 | // C++ Templates [C++ 14] |
| 1383 | // |
Douglas Gregor | d6fb7ef | 2008-12-18 19:37:40 +0000 | [diff] [blame] | 1384 | virtual DeclTy *isTemplateName(IdentifierInfo &II, Scope *S, |
| 1385 | const CXXScopeSpec *SS = 0); |
Douglas Gregor | 72c3f31 | 2008-12-05 18:15:24 +0000 | [diff] [blame] | 1386 | bool DiagnoseTemplateParameterShadow(SourceLocation Loc, Decl *PrevDecl); |
| 1387 | virtual DeclTy *ActOnTypeParameter(Scope *S, bool Typename, |
| 1388 | SourceLocation KeyLoc, |
| 1389 | IdentifierInfo *ParamName, |
Douglas Gregor | c4b4e7b | 2008-12-24 02:52:09 +0000 | [diff] [blame] | 1390 | SourceLocation ParamNameLoc, |
| 1391 | unsigned Depth, unsigned Position); |
| 1392 | virtual DeclTy *ActOnNonTypeTemplateParameter(Scope *S, Declarator &D, |
| 1393 | unsigned Depth, |
| 1394 | unsigned Position); |
| 1395 | virtual TemplateParamsTy * |
| 1396 | ActOnTemplateParameterList(unsigned Depth, |
| 1397 | SourceLocation ExportLoc, |
| 1398 | SourceLocation TemplateLoc, |
| 1399 | SourceLocation LAngleLoc, |
| 1400 | DeclTy **Params, unsigned NumParams, |
| 1401 | SourceLocation RAngleLoc); |
| 1402 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 1403 | // Objective-C declarations. |
Chris Lattner | 06036d3 | 2008-07-26 04:13:19 +0000 | [diff] [blame] | 1404 | virtual DeclTy *ActOnStartClassInterface(SourceLocation AtInterfaceLoc, |
| 1405 | IdentifierInfo *ClassName, |
| 1406 | SourceLocation ClassLoc, |
| 1407 | IdentifierInfo *SuperName, |
| 1408 | SourceLocation SuperLoc, |
| 1409 | DeclTy * const *ProtoRefs, |
| 1410 | unsigned NumProtoRefs, |
| 1411 | SourceLocation EndProtoLoc, |
| 1412 | AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 1413 | |
| 1414 | virtual DeclTy *ActOnCompatiblityAlias( |
| 1415 | SourceLocation AtCompatibilityAliasLoc, |
| 1416 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 1417 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 1418 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 1419 | virtual DeclTy *ActOnStartProtocolInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 1420 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 1421 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 1422 | DeclTy * const *ProtoRefNames, unsigned NumProtoRefs, |
Daniel Dunbar | 246e70f | 2008-09-26 04:48:09 +0000 | [diff] [blame] | 1423 | SourceLocation EndProtoLoc, |
| 1424 | AttributeList *AttrList); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 1425 | |
Chris Lattner | 6bd6d0b | 2008-07-26 04:07:02 +0000 | [diff] [blame] | 1426 | virtual DeclTy *ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc, |
| 1427 | IdentifierInfo *ClassName, |
| 1428 | SourceLocation ClassLoc, |
| 1429 | IdentifierInfo *CategoryName, |
| 1430 | SourceLocation CategoryLoc, |
| 1431 | DeclTy * const *ProtoRefs, |
| 1432 | unsigned NumProtoRefs, |
| 1433 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 1434 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 1435 | virtual DeclTy *ActOnStartClassImplementation( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 1436 | SourceLocation AtClassImplLoc, |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 1437 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 1438 | IdentifierInfo *SuperClassname, |
| 1439 | SourceLocation SuperClassLoc); |
| 1440 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 1441 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 1442 | SourceLocation AtCatImplLoc, |
| 1443 | IdentifierInfo *ClassName, |
| 1444 | SourceLocation ClassLoc, |
| 1445 | IdentifierInfo *CatName, |
| 1446 | SourceLocation CatLoc); |
| 1447 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 1448 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 1449 | IdentifierInfo **IdentList, |
| 1450 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 1451 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 1452 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 1453 | const IdentifierLocPair *IdentList, |
Fariborz Jahanian | bc1c877 | 2008-12-17 01:07:27 +0000 | [diff] [blame] | 1454 | unsigned NumElts, |
| 1455 | AttributeList *attrList); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 1456 | |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 1457 | virtual void FindProtocolDeclaration(bool WarnOnDeclarations, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 1458 | const IdentifierLocPair *ProtocolId, |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 1459 | unsigned NumProtocols, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 1460 | llvm::SmallVectorImpl<DeclTy *> &Protocols); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 1461 | |
Daniel Dunbar | 95e61fb | 2008-09-23 21:53:23 +0000 | [diff] [blame] | 1462 | /// Ensure attributes are consistent with type. |
| 1463 | /// \param [in, out] Attributes The attributes to check; they will |
| 1464 | /// be modified to be consistent with \arg PropertyTy. |
| 1465 | void CheckObjCPropertyAttributes(QualType PropertyTy, |
| 1466 | SourceLocation Loc, |
| 1467 | unsigned &Attributes); |
Steve Naroff | 0701bbb | 2009-01-08 17:28:14 +0000 | [diff] [blame] | 1468 | void ProcessPropertyDecl(ObjCPropertyDecl *property, ObjCContainerDecl *DC); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 1469 | void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| 1470 | ObjCPropertyDecl *SuperProperty, |
Chris Lattner | 8ec03f5 | 2008-11-24 03:54:41 +0000 | [diff] [blame] | 1471 | const IdentifierInfo *Name); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 1472 | void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | b5e0224 | 2008-04-24 19:58:34 +0000 | [diff] [blame] | 1473 | |
Fariborz Jahanian | 1ac2bc4 | 2008-12-06 23:03:39 +0000 | [diff] [blame] | 1474 | void MergeProtocolPropertiesIntoClass(Decl *CDecl, |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 1475 | DeclTy *MergeProtocols); |
| 1476 | |
Fariborz Jahanian | 1ac2bc4 | 2008-12-06 23:03:39 +0000 | [diff] [blame] | 1477 | void MergeOneProtocolPropertiesIntoClass(Decl *CDecl, |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 1478 | ObjCProtocolDecl *PDecl); |
| 1479 | |
Steve Naroff | 0416fb9 | 2007-11-11 17:19:15 +0000 | [diff] [blame] | 1480 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl, |
| 1481 | DeclTy **allMethods = 0, unsigned allNum = 0, |
| 1482 | DeclTy **allProperties = 0, unsigned pNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 1483 | |
Fariborz Jahanian | 1de1e74 | 2008-04-14 23:36:35 +0000 | [diff] [blame] | 1484 | virtual DeclTy *ActOnProperty(Scope *S, SourceLocation AtLoc, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 1485 | FieldDeclarator &FD, ObjCDeclSpec &ODS, |
Fariborz Jahanian | 5251e13 | 2008-05-06 18:09:04 +0000 | [diff] [blame] | 1486 | Selector GetterSel, Selector SetterSel, |
Fariborz Jahanian | 8cf0bb3 | 2008-11-26 20:01:34 +0000 | [diff] [blame] | 1487 | DeclTy *ClassCategory, bool *OverridingProperty, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 1488 | tok::ObjCKeywordKind MethodImplKind); |
| 1489 | |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 1490 | virtual DeclTy *ActOnPropertyImplDecl(SourceLocation AtLoc, |
| 1491 | SourceLocation PropertyLoc, |
| 1492 | bool ImplKind, DeclTy *ClassImplDecl, |
| 1493 | IdentifierInfo *PropertyId, |
| 1494 | IdentifierInfo *PropertyIvar); |
| 1495 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 1496 | virtual DeclTy *ActOnMethodDeclaration( |
| 1497 | SourceLocation BeginLoc, // location of the + or -. |
| 1498 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 1499 | tok::TokenKind MethodType, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1500 | DeclTy *ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 1501 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1502 | // optional arguments. The number of types/arguments is obtained |
| 1503 | // from the Sel.getNumArgs(). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1504 | ObjCDeclSpec *ArgQT, TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
Fariborz Jahanian | 439c658 | 2009-01-09 00:38:19 +0000 | [diff] [blame] | 1505 | llvm::SmallVectorImpl<Declarator> &Cdecls, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 1506 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 1507 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 1508 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1509 | // ActOnClassMessage - used for both unary and keyword messages. |
| 1510 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1511 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1512 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 1513 | Scope *S, |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 1514 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | 5cb93b8 | 2008-11-19 15:54:23 +0000 | [diff] [blame] | 1515 | SourceLocation lbrac, SourceLocation receiverLoc, SourceLocation rbrac, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1516 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1517 | |
| 1518 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 1519 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1520 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1521 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 1522 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1523 | SourceLocation lbrac, SourceLocation rbrac, |
| 1524 | ExprTy **ArgExprs, unsigned NumArgs); |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 1525 | |
| 1526 | /// ActOnPragmaPack - Called on well formed #pragma pack(...). |
| 1527 | virtual void ActOnPragmaPack(PragmaPackKind Kind, |
| 1528 | IdentifierInfo *Name, |
| 1529 | ExprTy *Alignment, |
| 1530 | SourceLocation PragmaLoc, |
| 1531 | SourceLocation LParenLoc, |
| 1532 | SourceLocation RParenLoc); |
| 1533 | |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 1534 | /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| 1535 | /// 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] | 1536 | /// If isLvalue, the result of the cast is an lvalue. |
| 1537 | void ImpCastExprToType(Expr *&Expr, QualType Type, bool isLvalue = false); |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 1538 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1539 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1540 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 1541 | Expr *UsualUnaryConversions(Expr *&expr); |
Eli Friedman | 3c0eb16 | 2008-05-27 03:33:27 +0000 | [diff] [blame] | 1542 | |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 1543 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 1544 | // to their respective pointers (C99 6.3.2.1). |
| 1545 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1546 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 1547 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 1548 | // do not have a prototype. Integer promotions are performed on each |
| 1549 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1550 | void DefaultArgumentPromotion(Expr *&Expr); |
Anders Carlsson | dce5e2c | 2009-01-16 16:48:51 +0000 | [diff] [blame] | 1551 | |
| 1552 | // Used for emitting the right warning by DefaultVariadicArgumentPromotion |
| 1553 | enum VariadicCallType { |
| 1554 | VariadicFunction, |
| 1555 | VariadicBlock, |
| 1556 | VariadicMethod |
| 1557 | }; |
| 1558 | |
| 1559 | // DefaultVariadicArgumentPromotion - Like DefaultArgumentPromotion, but |
| 1560 | // will warn if the resulting type is not a POD type. |
| 1561 | void DefaultVariadicArgumentPromotion(Expr *&Expr, VariadicCallType CT); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 1562 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1563 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 1564 | // operands and then handles various conversions that are common to binary |
| 1565 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 1566 | // routine returns the first non-arithmetic type found. The client is |
| 1567 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1568 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 1569 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1570 | |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 1571 | /// UsualArithmeticConversionsType - handles the various conversions |
| 1572 | /// that are common to binary operators (C99 6.3.1.8, C++ [expr]p9) |
| 1573 | /// and returns the result type of that conversion. |
| 1574 | QualType UsualArithmeticConversionsType(QualType lhs, QualType rhs); |
| 1575 | |
| 1576 | |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1577 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 1578 | /// enum to indicate whether the assignment was allowed. These checks are |
| 1579 | /// done for simple assignments, as well as initialization, return from |
| 1580 | /// function, argument passing, etc. The query is phrased in terms of a |
| 1581 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1582 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1583 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1584 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1585 | |
| 1586 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 1587 | /// accept as an extension. |
| 1588 | PointerToInt, |
| 1589 | |
| 1590 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 1591 | /// accept as an extension. |
| 1592 | IntToPointer, |
| 1593 | |
| 1594 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 1595 | /// 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] | 1596 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1597 | |
| 1598 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 1599 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1600 | IncompatiblePointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1601 | |
| 1602 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 1603 | /// c/v/r qualifiers, which we accept as an extension. |
| 1604 | CompatiblePointerDiscardsQualifiers, |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1605 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 1606 | /// IntToBlockPointer - The assignment converts an int to a block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1607 | /// pointer. We disallow this. |
| 1608 | IntToBlockPointer, |
| 1609 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 1610 | /// IncompatibleBlockPointer - The assignment is between two block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1611 | /// pointers types that are not compatible. |
| 1612 | IncompatibleBlockPointer, |
| 1613 | |
Steve Naroff | 3957907 | 2008-10-14 22:18:38 +0000 | [diff] [blame] | 1614 | /// IncompatibleObjCQualifiedId - The assignment is between a qualified |
| 1615 | /// id type and something else (that is incompatible with it). For example, |
| 1616 | /// "id <XXX>" = "Foo *", where "Foo *" doesn't implement the XXX protocol. |
| 1617 | IncompatibleObjCQualifiedId, |
| 1618 | |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1619 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 1620 | /// represent it in the AST. |
| 1621 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1622 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1623 | |
| 1624 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 1625 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 1626 | /// conversion was invalid or false if the conversion was accepted. |
| 1627 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 1628 | SourceLocation Loc, |
| 1629 | QualType DstType, QualType SrcType, |
| 1630 | Expr *SrcExpr, const char *Flavor); |
| 1631 | |
| 1632 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 1633 | /// argument passing, variable initialization, and function return values. |
| 1634 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 1635 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1636 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1637 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1638 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1639 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1640 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 1641 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1642 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 1643 | // conversions. For compound assignments, the "Check...Operands" methods |
| 1644 | // perform the necessary conversions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1645 | AssignConvertType CheckCompoundAssignmentConstraints(QualType lhs, |
| 1646 | QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1647 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1648 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1649 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 1650 | QualType rhsType); |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1651 | |
| 1652 | // Helper function for CheckAssignmentConstraints involving two |
| 1653 | // blcok pointer types. |
| 1654 | AssignConvertType CheckBlockPointerTypesForAssignment(QualType lhsType, |
| 1655 | QualType rhsType); |
Douglas Gregor | 77a5223 | 2008-09-12 00:47:35 +0000 | [diff] [blame] | 1656 | |
| 1657 | bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 1658 | |
Douglas Gregor | 45920e8 | 2008-12-19 17:40:08 +0000 | [diff] [blame] | 1659 | bool PerformImplicitConversion(Expr *&From, QualType ToType, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 1660 | const char *Flavor, bool AllowExplicit = false); |
| 1661 | bool PerformImplicitConversion(Expr *&From, QualType ToType, |
| 1662 | const ImplicitConversionSequence& ICS, |
Douglas Gregor | 45920e8 | 2008-12-19 17:40:08 +0000 | [diff] [blame] | 1663 | const char *Flavor); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 1664 | bool PerformImplicitConversion(Expr *&From, QualType ToType, |
Douglas Gregor | 45920e8 | 2008-12-19 17:40:08 +0000 | [diff] [blame] | 1665 | const StandardConversionSequence& SCS, |
| 1666 | const char *Flavor); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1667 | |
| 1668 | /// the following "Check" methods will return a valid/converted QualType |
| 1669 | /// or a null QualType (indicating an error diagnostic was issued). |
| 1670 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1671 | /// type checking binary operators (subroutines of ActOnBinOp). |
Chris Lattner | ca5eede | 2007-12-12 05:47:28 +0000 | [diff] [blame] | 1672 | inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1673 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1674 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1675 | inline QualType CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1676 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1677 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1678 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1679 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1680 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1681 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1682 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 1683 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 1684 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1685 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1686 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1687 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1688 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1689 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 1690 | // For simple assignment, pass both expressions and a null converted type. |
| 1691 | // For compound assignment, pass both expressions and the converted type. |
| 1692 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 1693 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1694 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Chris Lattner | 29a1cfb | 2008-11-18 01:30:42 +0000 | [diff] [blame] | 1695 | Expr *lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1696 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1697 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Nate Begeman | be2341d | 2008-07-14 18:02:46 +0000 | [diff] [blame] | 1698 | |
| 1699 | /// type checking for vector binary operators. |
| 1700 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
| 1701 | inline QualType CheckVectorCompareOperands(Expr *&lex, Expr *&rx, |
| 1702 | SourceLocation l, bool isRel); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1703 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1704 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1705 | /// 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] | 1706 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc, |
| 1707 | bool isInc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1708 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 1709 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 1710 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 1711 | |
| 1712 | /// type checking primary expressions. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 1713 | QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc, |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 1714 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 1715 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 1716 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1717 | friend class InitListChecker; |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 1718 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 1719 | SourceLocation InitLoc,DeclarationName InitEntity, |
| 1720 | bool DirectInit); |
Douglas Gregor | c34ee5e | 2009-01-29 00:45:39 +0000 | [diff] [blame^] | 1721 | bool CheckInitList(InitListExpr *&InitList, QualType &DeclType); |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 1722 | bool CheckSingleInitializer(Expr *&simpleInit, QualType declType, |
| 1723 | bool DirectInit); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 1724 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Eli Friedman | c594b32 | 2008-05-20 13:48:25 +0000 | [diff] [blame] | 1725 | bool CheckArithmeticConstantExpression(const Expr* e); |
| 1726 | bool CheckAddressConstantExpression(const Expr* e); |
| 1727 | bool CheckAddressConstantExpressionLValue(const Expr* e); |
Steve Naroff | 6594a70 | 2008-10-27 11:34:16 +0000 | [diff] [blame] | 1728 | void InitializerElementNotConstant(const Expr *e); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 1729 | |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 1730 | StringLiteral *IsStringLiteralInit(Expr *Init, QualType DeclType); |
| 1731 | bool CheckStringLiteralInit(StringLiteral *strLiteral, QualType &DeclT); |
Argyrios Kyrtzidis | 6c2dc4d | 2008-08-16 20:27:34 +0000 | [diff] [blame] | 1732 | |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 1733 | // type checking C++ declaration initializers (C++ [dcl.init]). |
| 1734 | |
| 1735 | /// ReferenceCompareResult - Expresses the result of comparing two |
| 1736 | /// types (cv1 T1 and cv2 T2) to determine their compatibility for the |
| 1737 | /// purposes of initialization by reference (C++ [dcl.init.ref]p4). |
| 1738 | enum ReferenceCompareResult { |
| 1739 | /// Ref_Incompatible - The two types are incompatible, so direct |
| 1740 | /// reference binding is not possible. |
| 1741 | Ref_Incompatible = 0, |
| 1742 | /// Ref_Related - The two types are reference-related, which means |
| 1743 | /// that their unqualified forms (T1 and T2) are either the same |
| 1744 | /// or T1 is a base class of T2. |
| 1745 | Ref_Related, |
| 1746 | /// Ref_Compatible_With_Added_Qualification - The two types are |
| 1747 | /// reference-compatible with added qualification, meaning that |
| 1748 | /// they are reference-compatible and the qualifiers on T1 (cv1) |
| 1749 | /// are greater than the qualifiers on T2 (cv2). |
| 1750 | Ref_Compatible_With_Added_Qualification, |
| 1751 | /// Ref_Compatible - The two types are reference-compatible and |
| 1752 | /// have equivalent qualifiers (cv1 == cv2). |
| 1753 | Ref_Compatible |
| 1754 | }; |
| 1755 | |
Douglas Gregor | 15da57e | 2008-10-29 02:00:59 +0000 | [diff] [blame] | 1756 | ReferenceCompareResult CompareReferenceRelationship(QualType T1, QualType T2, |
| 1757 | bool& DerivedToBase); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 1758 | |
| 1759 | bool CheckReferenceInit(Expr *&simpleInit_or_initList, QualType &declType, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 1760 | ImplicitConversionSequence *ICS = 0, |
Douglas Gregor | 09f41cf | 2009-01-14 15:45:31 +0000 | [diff] [blame] | 1761 | bool SuppressUserConversions = false, |
| 1762 | bool AllowExplicit = false); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 1763 | |
Argyrios Kyrtzidis | 6c2dc4d | 2008-08-16 20:27:34 +0000 | [diff] [blame] | 1764 | /// CheckCastTypes - Check type constraints for casting between types. |
Daniel Dunbar | 58d5ebb | 2008-08-20 03:55:42 +0000 | [diff] [blame] | 1765 | bool CheckCastTypes(SourceRange TyRange, QualType CastTy, Expr *&CastExpr); |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 1766 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 1767 | // CheckVectorCast - check type constraints for vectors. |
| 1768 | // Since vectors are an extension, there are no C standard reference for this. |
| 1769 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 1770 | // returns true if the cast is invalid |
| 1771 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 1772 | |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 1773 | /// CheckMessageArgumentTypes - Check types in an Obj-C message send. |
| 1774 | /// \param Method - May be null. |
| 1775 | /// \param [out] ReturnType - The return type of the send. |
| 1776 | /// \return true iff there were any incompatible types. |
Daniel Dunbar | 91e19b2 | 2008-09-11 00:50:25 +0000 | [diff] [blame] | 1777 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, Selector Sel, |
Chris Lattner | 077bf5e | 2008-11-24 03:33:13 +0000 | [diff] [blame] | 1778 | ObjCMethodDecl *Method, bool isClassMessage, |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 1779 | SourceLocation lbrac, SourceLocation rbrac, |
| 1780 | QualType &ReturnType); |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 1781 | |
| 1782 | /// CheckCXXBooleanCondition - Returns true if conversion to bool is invalid. |
| 1783 | bool CheckCXXBooleanCondition(Expr *&CondExpr); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 1784 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 1785 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 1786 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 1787 | /// the specified diagnostic. |
| 1788 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 1789 | unsigned NewWidth, bool NewSign, |
| 1790 | SourceLocation Loc, unsigned DiagID); |
| 1791 | |
Chris Lattner | eca7be6 | 2008-04-07 05:30:13 +0000 | [diff] [blame] | 1792 | bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, |
| 1793 | bool ForCompare); |
| 1794 | |
Anders Carlsson | 1528145 | 2008-11-04 16:57:32 +0000 | [diff] [blame] | 1795 | /// Checks that the Objective-C declaration is declared in the global scope. |
| 1796 | /// Emits an error and marks the declaration as invalid if it's not declared |
| 1797 | /// in the global scope. |
| 1798 | bool CheckObjCDeclScope(Decl *D); |
| 1799 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 1800 | void InitBuiltinVaListType(); |
Eli Friedman | 1b76ada | 2008-06-03 21:01:11 +0000 | [diff] [blame] | 1801 | |
Anders Carlsson | e21555e | 2008-11-30 19:50:32 +0000 | [diff] [blame] | 1802 | /// VerifyIntegerConstantExpression - verifies that an expression is an ICE, |
| 1803 | /// and reports the appropriate diagnostics. Returns false on success. |
| 1804 | /// Can optionally return the value of the expression. |
Anders Carlsson | 9f1e572 | 2008-12-06 20:33:04 +0000 | [diff] [blame] | 1805 | bool VerifyIntegerConstantExpression(const Expr *E, llvm::APSInt *Result = 0); |
Anders Carlsson | 4000ea6 | 2008-12-01 02:17:22 +0000 | [diff] [blame] | 1806 | |
Anders Carlsson | 9f1e572 | 2008-12-06 20:33:04 +0000 | [diff] [blame] | 1807 | /// VerifyBitField - verifies that a bit field expression is an ICE and has |
| 1808 | /// the correct width, and that the field type is valid. |
| 1809 | /// Returns false on success. |
| 1810 | bool VerifyBitField(SourceLocation FieldLoc, IdentifierInfo *FieldName, |
| 1811 | QualType FieldTy, const Expr *BitWidth); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1812 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 1813 | //===--------------------------------------------------------------------===// |
| 1814 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1815 | private: |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1816 | Action::OwningExprResult CheckFunctionCall(FunctionDecl *FDecl, |
| 1817 | CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1818 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
| 1819 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 1820 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
Eli Friedman | 6cfda23 | 2008-05-20 08:23:37 +0000 | [diff] [blame] | 1821 | bool SemaBuiltinStackAddress(CallExpr *TheCall); |
Sebastian Redl | 0eb2330 | 2009-01-19 00:08:26 +0000 | [diff] [blame] | 1822 | Action::OwningExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
Daniel Dunbar | 4493f79 | 2008-07-21 22:59:13 +0000 | [diff] [blame] | 1823 | bool SemaBuiltinPrefetch(CallExpr *TheCall); |
Daniel Dunbar | d5f8a4f | 2008-09-03 21:13:56 +0000 | [diff] [blame] | 1824 | bool SemaBuiltinObjectSize(CallExpr *TheCall); |
Ted Kremenek | d30ef87 | 2009-01-12 23:09:09 +0000 | [diff] [blame] | 1825 | bool SemaCheckStringLiteral(Expr *E, CallExpr *TheCall, bool HasVAListArg, |
| 1826 | unsigned format_idx); |
| 1827 | void CheckPrintfString(StringLiteral *FExpr, Expr *OrigFormatExpr, |
| 1828 | CallExpr *TheCall, bool HasVAListArg, |
| 1829 | unsigned format_idx); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1830 | void CheckPrintfArguments(CallExpr *TheCall, |
| 1831 | bool HasVAListArg, unsigned format_idx); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 1832 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 1833 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 1834 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1835 | }; |
| 1836 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1837 | /// BlockSemaInfo - When a block is being parsed, this contains information |
| 1838 | /// about the block. It is pointed to from Sema::CurBlock. |
| 1839 | struct BlockSemaInfo { |
| 1840 | llvm::SmallVector<ParmVarDecl*, 8> Params; |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1841 | bool hasPrototype; |
| 1842 | bool isVariadic; |
| 1843 | |
Steve Naroff | 1c90bfc | 2008-10-08 18:44:00 +0000 | [diff] [blame] | 1844 | BlockDecl *TheDecl; |
| 1845 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1846 | /// TheScope - This is the scope for the block itself, which contains |
| 1847 | /// arguments etc. |
| 1848 | Scope *TheScope; |
| 1849 | |
| 1850 | /// ReturnType - This will get set to block result type, by looking at |
| 1851 | /// return types, if any, in the block body. |
| 1852 | Type *ReturnType; |
| 1853 | |
| 1854 | /// PrevBlockInfo - If this is nested inside another block, this points |
| 1855 | /// to the outer block. |
| 1856 | BlockSemaInfo *PrevBlockInfo; |
| 1857 | }; |
| 1858 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1859 | |
| 1860 | } // end namespace clang |
| 1861 | |
| 1862 | #endif |