Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1 | //===--- Sema.h - Semantic Analysis & AST Building --------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 0bc735f | 2007-12-29 19:59:25 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file defines the Sema class, which performs semantic analysis and |
| 11 | // builds ASTs. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #ifndef LLVM_CLANG_AST_SEMA_H |
| 16 | #define LLVM_CLANG_AST_SEMA_H |
| 17 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 18 | #include "IdentifierResolver.h" |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 19 | #include "CXXFieldCollector.h" |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 20 | #include "SemaOverload.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 21 | #include "clang/Parse/Action.h" |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 22 | #include "llvm/ADT/SmallVector.h" |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 23 | #include "llvm/ADT/DenseSet.h" |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 24 | #include "llvm/ADT/SmallPtrSet.h" |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 25 | #include "llvm/ADT/OwningPtr.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 26 | #include <vector> |
| 27 | #include <string> |
| 28 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 29 | namespace llvm { |
| 30 | class APSInt; |
| 31 | } |
| 32 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 33 | namespace clang { |
| 34 | class ASTContext; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 35 | class ASTConsumer; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 36 | class Preprocessor; |
| 37 | class Decl; |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 38 | class DeclContext; |
Daniel Dunbar | 12bc692 | 2008-08-11 03:27:53 +0000 | [diff] [blame] | 39 | class DeclSpec; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 40 | class NamedDecl; |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 41 | class ScopedDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 42 | class Expr; |
Steve Naroff | 6f9f307 | 2007-09-02 15:34:30 +0000 | [diff] [blame] | 43 | class InitListExpr; |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 44 | class CallExpr; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 45 | class VarDecl; |
| 46 | class ParmVarDecl; |
| 47 | class TypedefDecl; |
| 48 | class FunctionDecl; |
| 49 | class QualType; |
Chris Lattner | 701e5eb | 2007-09-04 02:45:27 +0000 | [diff] [blame] | 50 | struct LangOptions; |
Chris Lattner | d217773 | 2007-07-20 16:59:19 +0000 | [diff] [blame] | 51 | class Token; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 52 | class IntegerLiteral; |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 53 | class StringLiteral; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 54 | class ArrayType; |
| 55 | class LabelStmt; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 56 | class SwitchStmt; |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 57 | class ExtVectorType; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 58 | class TypedefDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 59 | class ObjCInterfaceDecl; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 60 | class ObjCCompatibleAliasDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 61 | class ObjCProtocolDecl; |
| 62 | class ObjCImplementationDecl; |
| 63 | class ObjCCategoryImplDecl; |
| 64 | class ObjCCategoryDecl; |
| 65 | class ObjCIvarDecl; |
| 66 | class ObjCMethodDecl; |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 67 | class ObjCPropertyDecl; |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 68 | struct BlockSemaInfo; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 69 | |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 70 | /// PragmaPackStack - Simple class to wrap the stack used by #pragma |
| 71 | /// pack. |
| 72 | class PragmaPackStack { |
| 73 | typedef std::vector< std::pair<unsigned, std::string> > stack_ty; |
| 74 | |
| 75 | /// Alignment - The current user specified alignment. |
| 76 | unsigned Alignment; |
| 77 | |
| 78 | /// Stack - Entries in the #pragma pack stack. |
| 79 | stack_ty Stack; |
| 80 | |
| 81 | public: |
| 82 | PragmaPackStack(unsigned A) : Alignment(A) {} |
| 83 | |
| 84 | void setAlignment(unsigned A) { Alignment = A; } |
| 85 | unsigned getAlignment() { return Alignment; } |
| 86 | |
| 87 | /// push - Push the current alignment onto the stack, optionally |
| 88 | /// using the given \arg Name for the record, if non-zero, |
| 89 | void push(IdentifierInfo *Name) { |
| 90 | Stack.push_back(std::make_pair(Alignment, |
| 91 | std::string(Name ? Name->getName() : ""))); |
| 92 | } |
| 93 | |
| 94 | /// pop - Pop a record from the stack and restore the current |
| 95 | /// alignment to the previous value. If \arg Name is non-zero then |
| 96 | /// the first such named record is popped, otherwise the top record |
| 97 | /// is popped. Returns true if the pop succeeded. |
| 98 | bool pop(IdentifierInfo *Name); |
| 99 | }; |
| 100 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 101 | /// Sema - This implements semantic analysis and AST building for C. |
| 102 | class Sema : public Action { |
Chris Lattner | 0b2f4da | 2008-06-29 00:28:59 +0000 | [diff] [blame] | 103 | public: |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 104 | Preprocessor &PP; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 105 | ASTContext &Context; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 106 | ASTConsumer &Consumer; |
Steve Naroff | 0330071 | 2007-11-12 13:56:41 +0000 | [diff] [blame] | 107 | |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 108 | /// CurContext - This is the current declaration context of parsing. |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 109 | DeclContext *CurContext; |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 110 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 111 | /// CurBlock - If inside of a block definition, this contains a pointer to |
| 112 | /// the active block object that represents it. |
| 113 | BlockSemaInfo *CurBlock; |
| 114 | |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 115 | /// PackContext - Manages the stack for #pragma pack. An alignment |
| 116 | /// of 0 indicates default alignment. |
| 117 | PragmaPackStack PackContext; |
| 118 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 119 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 120 | /// it (which acts like the label decl in some ways). Forward referenced |
| 121 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 122 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 123 | |
| 124 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 125 | |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 126 | /// ExtVectorDecls - This is a list all the extended vector types. This allows |
| 127 | /// 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] | 128 | /// This is only necessary for issuing pretty diagnostics. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 129 | llvm::SmallVector<TypedefDecl*, 24> ExtVectorDecls; |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 130 | |
Steve Naroff | e84a864 | 2008-09-28 14:55:53 +0000 | [diff] [blame] | 131 | /// ObjCImplementations - Keep track of all class @implementations |
| 132 | /// so we can emit errors on duplicates. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 133 | llvm::DenseMap<IdentifierInfo*, ObjCImplementationDecl*> ObjCImplementations; |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 134 | |
Steve Naroff | e84a864 | 2008-09-28 14:55:53 +0000 | [diff] [blame] | 135 | /// ObjCCategoryImpls - Maintain a list of category implementations so |
| 136 | /// we can check for duplicates and find local method declarations. |
| 137 | llvm::SmallVector<ObjCCategoryImplDecl*, 8> ObjCCategoryImpls; |
| 138 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 139 | /// ObjCProtocols - Keep track of all protocol declarations declared |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 140 | /// with @protocol keyword, so that we can emit errors on duplicates and |
Chris Lattner | 4de884d | 2007-10-09 18:18:24 +0000 | [diff] [blame] | 141 | /// find the declarations when needed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 142 | llvm::DenseMap<IdentifierInfo*, ObjCProtocolDecl*> ObjCProtocols; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 143 | |
| 144 | /// ObjCInterfaceDecls - Keep track of all class declarations declared |
| 145 | /// with @interface, so that we can emit errors on duplicates and |
| 146 | /// find the declarations when needed. |
| 147 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 148 | ObjCInterfaceDecl*> ObjCInterfaceDeclsTy; |
| 149 | ObjCInterfaceDeclsTy ObjCInterfaceDecls; |
| 150 | |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 151 | /// ObjCAliasDecls - Keep track of all class declarations declared |
| 152 | /// with @compatibility_alias, so that we can emit errors on duplicates and |
| 153 | /// find the declarations when needed. This construct is ancient and will |
| 154 | /// likely never be seen. Nevertheless, it is here for compatibility. |
Steve Naroff | c822ff4 | 2008-04-02 00:39:51 +0000 | [diff] [blame] | 155 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 156 | ObjCCompatibleAliasDecl*> ObjCAliasTy; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 157 | ObjCAliasTy ObjCAliasDecls; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 158 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 159 | /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. |
| 160 | llvm::OwningPtr<CXXFieldCollector> FieldCollector; |
| 161 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 162 | IdentifierResolver IdResolver; |
| 163 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 164 | // Enum values used by KnownFunctionIDs (see below). |
| 165 | enum { |
Ted Kremenek | 7ff22b2 | 2008-06-16 18:00:42 +0000 | [diff] [blame] | 166 | id_NSLog, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 167 | id_asprintf, |
| 168 | id_fprintf, |
| 169 | id_printf, |
| 170 | id_snprintf, |
| 171 | id_snprintf_chk, |
| 172 | id_sprintf, |
| 173 | id_sprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 174 | id_vasprintf, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 175 | id_vfprintf, |
| 176 | id_vsnprintf, |
| 177 | id_vsnprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 178 | id_vsprintf, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 179 | id_vsprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 180 | id_vprintf, |
| 181 | id_num_known_functions |
| 182 | }; |
| 183 | |
| 184 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 185 | /// of known functions used by the semantic analysis to do various |
| 186 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 187 | /// This list is populated upon the creation of a Sema object. |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 188 | IdentifierInfo* KnownFunctionIDs[id_num_known_functions]; |
Daniel Dunbar | 662e8b5 | 2008-08-14 22:04:54 +0000 | [diff] [blame] | 189 | |
| 190 | /// SuperID - Identifier for "super" used for Objective-C checking. |
| 191 | IdentifierInfo* SuperID; |
| 192 | |
Steve Naroff | 2b255c4 | 2008-09-09 14:32:20 +0000 | [diff] [blame] | 193 | /// Identifiers for builtin ObjC typedef names. |
| 194 | IdentifierInfo *Ident_id, *Ident_Class; // "id", "Class" |
| 195 | IdentifierInfo *Ident_SEL, *Ident_Protocol; // "SEL", "Protocol" |
| 196 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 197 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 198 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 199 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 200 | Scope *TUScope; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 201 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 202 | /// ObjCMethodList - a linked list of methods with different signatures. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 203 | struct ObjCMethodList { |
| 204 | ObjCMethodDecl *Method; |
| 205 | ObjCMethodList *Next; |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 206 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 207 | ObjCMethodList() { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 208 | Method = 0; |
| 209 | Next = 0; |
| 210 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 211 | ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 212 | Method = M; |
| 213 | Next = C; |
| 214 | } |
| 215 | }; |
| 216 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 217 | /// messages to "id". We need to maintain a list, since selectors can have |
| 218 | /// differing signatures across classes. In Cocoa, this happens to be |
| 219 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 220 | llvm::DenseMap<Selector, ObjCMethodList> InstanceMethodPool; |
| 221 | llvm::DenseMap<Selector, ObjCMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 222 | public: |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 223 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 224 | |
| 225 | const LangOptions &getLangOptions() const; |
| 226 | |
| 227 | /// The primitive diagnostic helpers - always returns true, which simplifies |
| 228 | /// error handling (i.e. less code). |
| 229 | bool Diag(SourceLocation Loc, unsigned DiagID); |
| 230 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg); |
| 231 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 232 | const std::string &Msg2); |
| 233 | |
| 234 | /// More expressive diagnostic helpers for expressions (say that 6 times:-) |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 235 | bool Diag(SourceLocation Loc, unsigned DiagID, const SourceRange& R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 236 | bool Diag(SourceLocation Loc, unsigned DiagID, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 237 | const SourceRange& R1, const SourceRange& R2); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 238 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 239 | const SourceRange& R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 240 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 241 | const SourceRange& R1, const SourceRange& R2); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 242 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 243 | const std::string &Msg2, const SourceRange& R1); |
Chris Lattner | 4667ac3 | 2008-01-03 23:38:43 +0000 | [diff] [blame] | 244 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 245 | const std::string &Msg2, const std::string &Msg3, |
| 246 | const SourceRange& R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 247 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 248 | const std::string &Msg1, const std::string &Msg2, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 249 | const SourceRange& R1, const SourceRange& R2); |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 250 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 251 | virtual void DeleteExpr(ExprTy *E); |
| 252 | virtual void DeleteStmt(StmtTy *S); |
| 253 | |
Chris Lattner | 9299f3f | 2008-08-23 03:19:52 +0000 | [diff] [blame] | 254 | virtual void ActOnEndOfTranslationUnit(); |
| 255 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 256 | //===--------------------------------------------------------------------===// |
| 257 | // Type Analysis / Processing: SemaType.cpp. |
| 258 | // |
Chris Lattner | fca0ddd | 2008-06-26 06:27:57 +0000 | [diff] [blame] | 259 | QualType ConvertDeclSpecToType(const DeclSpec &DS); |
Chris Lattner | c9b346d | 2008-06-29 00:50:08 +0000 | [diff] [blame] | 260 | void ProcessTypeAttributeList(QualType &Result, const AttributeList *AL); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 261 | QualType GetTypeForDeclarator(Declarator &D, Scope *S); |
Douglas Gregor | 98cd599 | 2008-10-21 23:43:52 +0000 | [diff] [blame^] | 262 | QualType GetNonReferenceType(QualType Type); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 263 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 264 | QualType ObjCGetTypeForMethodDefinition(DeclTy *D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 265 | |
| 266 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 267 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 268 | private: |
| 269 | //===--------------------------------------------------------------------===// |
| 270 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 271 | // |
Argyrios Kyrtzidis | 39caa08 | 2008-08-01 10:35:27 +0000 | [diff] [blame] | 272 | virtual TypeTy *isTypeName(const IdentifierInfo &II, Scope *S); |
Daniel Dunbar | 914701e | 2008-08-05 16:28:08 +0000 | [diff] [blame] | 273 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 274 | virtual DeclTy *ActOnParamDeclarator(Scope *S, Declarator &D); |
| 275 | virtual void ActOnParamDefaultArgument(DeclTy *param, |
| 276 | SourceLocation EqualLoc, |
| 277 | ExprTy *defarg); |
Steve Naroff | bb20469 | 2007-09-12 14:07:44 +0000 | [diff] [blame] | 278 | void AddInitializerToDecl(DeclTy *dcl, ExprTy *init); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 279 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 280 | |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 281 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 282 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, DeclTy *D); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 283 | virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D); |
Steve Naroff | d6d054d | 2007-11-11 23:20:51 +0000 | [diff] [blame] | 284 | |
| 285 | virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtTy *Body); |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame] | 286 | virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace, |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 287 | SourceLocation RBrace, const char *Lang, |
| 288 | unsigned StrSize, DeclTy *D); |
Anders Carlsson | dfab6cb | 2008-02-08 00:33:21 +0000 | [diff] [blame] | 289 | virtual DeclTy *ActOnFileScopeAsmDecl(SourceLocation Loc, ExprTy *expr); |
| 290 | |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 291 | /// Scope actions. |
| 292 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 293 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 294 | |
| 295 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 296 | /// no declarator (e.g. "struct foo;") is parsed. |
| 297 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| 298 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 299 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 300 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 301 | SourceLocation NameLoc, AttributeList *Attr); |
Ted Kremenek | 4b7c983 | 2008-09-05 17:16:31 +0000 | [diff] [blame] | 302 | |
| 303 | DeclTy* ActOnTagStruct(Scope *S, TagDecl::TagKind Kind, TagKind TK, |
| 304 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 305 | SourceLocation NameLoc, AttributeList *Attr); |
| 306 | |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 307 | virtual void ActOnDefs(Scope *S, SourceLocation DeclStart, |
| 308 | IdentifierInfo *ClassName, |
| 309 | llvm::SmallVectorImpl<DeclTy*> &Decls); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 310 | virtual DeclTy *ActOnField(Scope *S, SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 311 | Declarator &D, ExprTy *BitfieldWidth); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 312 | |
| 313 | virtual DeclTy *ActOnIvar(Scope *S, SourceLocation DeclStart, |
| 314 | Declarator &D, ExprTy *BitfieldWidth, |
Fariborz Jahanian | 45bc03f | 2008-04-11 16:55:42 +0000 | [diff] [blame] | 315 | tok::ObjCKeywordKind visibility); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 316 | |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 317 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 318 | virtual void ActOnFields(Scope* S, |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 319 | SourceLocation RecLoc, DeclTy *TagDecl, |
| 320 | DeclTy **Fields, unsigned NumFields, |
Daniel Dunbar | 1bfe1c2 | 2008-10-03 02:03:53 +0000 | [diff] [blame] | 321 | SourceLocation LBrac, SourceLocation RBrac, |
| 322 | AttributeList *AttrList); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 323 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 324 | DeclTy *LastEnumConstant, |
| 325 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 326 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 327 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 328 | DeclTy **Elements, unsigned NumElements); |
| 329 | private: |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 330 | DeclContext *getDCParent(DeclContext *DC); |
| 331 | |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 332 | /// Set the current declaration context until it gets popped. |
Chris Lattner | 9fdf9c6 | 2008-04-22 18:39:57 +0000 | [diff] [blame] | 333 | void PushDeclContext(DeclContext *DC); |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 334 | void PopDeclContext(); |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 335 | |
| 336 | /// CurFunctionDecl - If inside of a function body, this returns a pointer to |
| 337 | /// the function decl for the function being parsed. |
| 338 | FunctionDecl *getCurFunctionDecl() { |
| 339 | return dyn_cast<FunctionDecl>(CurContext); |
| 340 | } |
| 341 | |
| 342 | /// CurMethodDecl - If inside of a method body, this returns a pointer to |
| 343 | /// the method decl for the method being parsed. |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 344 | ObjCMethodDecl *getCurMethodDecl(); |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 345 | |
Argyrios Kyrtzidis | 87f3ff0 | 2008-04-12 00:47:19 +0000 | [diff] [blame] | 346 | /// Add this decl to the scope shadowed decl chains. |
| 347 | void PushOnScopeChains(NamedDecl *D, Scope *S); |
| 348 | |
Argyrios Kyrtzidis | 15a12d0 | 2008-09-09 21:18:04 +0000 | [diff] [blame] | 349 | /// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true |
| 350 | /// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns |
| 351 | /// true if 'D' belongs to the given declaration context. |
| 352 | bool isDeclInScope(Decl *D, DeclContext *Ctx, Scope *S = 0) { |
| 353 | return IdResolver.isDeclInScope(D, Ctx, S); |
| 354 | } |
| 355 | |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 356 | /// Subroutines of ActOnDeclarator(). |
Chris Lattner | 41af093 | 2007-11-14 06:34:38 +0000 | [diff] [blame] | 357 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| 358 | ScopedDecl *LastDecl); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 359 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, Decl *Old); |
Douglas Gregor | f009795 | 2008-04-21 02:02:58 +0000 | [diff] [blame] | 360 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, Decl *Old, |
| 361 | bool &Redeclaration); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 362 | VarDecl *MergeVarDecl(VarDecl *New, Decl *Old); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 363 | FunctionDecl *MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
Steve Naroff | ff9eb1f | 2008-08-08 17:50:35 +0000 | [diff] [blame] | 364 | void CheckForFileScopedRedefinitions(Scope *S, VarDecl *VD); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 365 | |
| 366 | /// C++ Overloading. |
| 367 | bool IsOverload(FunctionDecl *New, Decl* OldD, |
| 368 | OverloadedFunctionDecl::function_iterator &MatchedDecl); |
| 369 | ImplicitConversionSequence TryCopyInitialization(Expr* From, QualType ToType); |
| 370 | bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); |
| 371 | bool IsFloatingPointPromotion(QualType FromType, QualType ToType); |
| 372 | bool IsPointerConversion(Expr *From, QualType FromType, QualType ToType, |
| 373 | QualType& ConvertedType); |
Douglas Gregor | 98cd599 | 2008-10-21 23:43:52 +0000 | [diff] [blame^] | 374 | bool IsQualificationConversion(QualType FromType, QualType ToType); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 375 | |
| 376 | ImplicitConversionSequence::CompareKind |
| 377 | CompareImplicitConversionSequences(const ImplicitConversionSequence& ICS1, |
| 378 | const ImplicitConversionSequence& ICS2); |
| 379 | |
| 380 | ImplicitConversionSequence::CompareKind |
| 381 | CompareStandardConversionSequences(const StandardConversionSequence& SCS1, |
| 382 | const StandardConversionSequence& SCS2); |
| 383 | |
| 384 | /// OverloadingResult - Capture the result of performing overload |
| 385 | /// resolution. |
| 386 | enum OverloadingResult { |
| 387 | OR_Success, ///< Overload resolution succeeded. |
| 388 | OR_No_Viable_Function, ///< No viable function found. |
| 389 | OR_Ambiguous ///< Ambiguous candidates found. |
| 390 | }; |
| 391 | |
| 392 | void AddOverloadCandidate(FunctionDecl *Function, |
| 393 | Expr **Args, unsigned NumArgs, |
| 394 | OverloadCandidateSet& CandidateSet); |
| 395 | void AddOverloadCandidates(OverloadedFunctionDecl *Ovl, |
| 396 | Expr **Args, unsigned NumArgs, |
| 397 | OverloadCandidateSet& CandidateSet); |
| 398 | bool isBetterOverloadCandidate(const OverloadCandidate& Cand1, |
| 399 | const OverloadCandidate& Cand2); |
| 400 | OverloadingResult BestViableFunction(OverloadCandidateSet& CandidateSet, |
| 401 | OverloadCandidateSet::iterator& Best); |
| 402 | void PrintOverloadCandidates(OverloadCandidateSet& CandidateSet, |
| 403 | bool OnlyViable); |
| 404 | |
| 405 | |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 406 | /// Helpers for dealing with function parameters |
| 407 | bool CheckParmsForFunctionDef(FunctionDecl *FD); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 408 | void CheckCXXDefaultArguments(FunctionDecl *FD); |
Douglas Gregor | 6d6eb57 | 2008-05-07 04:49:29 +0000 | [diff] [blame] | 409 | void CheckExtraCXXDefaultArguments(Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 410 | |
| 411 | /// More parsing and symbol table subroutines... |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 412 | Decl *LookupDecl(const IdentifierInfo *II, unsigned NSI, Scope *S, |
| 413 | bool enableLazyBuiltinCreation = true); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 414 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 415 | ScopedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
| 416 | Scope *S); |
Steve Naroff | 8c9f13e | 2007-09-16 16:16:00 +0000 | [diff] [blame] | 417 | ScopedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 418 | Scope *S); |
| 419 | // Decl attributes - this routine is the top level dispatcher. |
Chris Lattner | e5c5ee1 | 2008-06-29 00:16:31 +0000 | [diff] [blame] | 420 | void ProcessDeclAttributes(Decl *D, const Declarator &PD); |
Chris Lattner | f2e4bd5 | 2008-06-28 23:58:55 +0000 | [diff] [blame] | 421 | void ProcessDeclAttributeList(Decl *D, const AttributeList *AttrList); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 422 | |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 423 | void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| 424 | bool &IncompleteImpl); |
| 425 | |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 426 | /// CheckProtocolMethodDefs - This routine checks unimpletented |
| 427 | /// methods declared in protocol, and those referenced by it. |
| 428 | /// \param IDecl - Used for checking for methods which may have been |
| 429 | /// inherited. |
Steve Naroff | efe7f36 | 2008-02-08 22:06:17 +0000 | [diff] [blame] | 430 | void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| 431 | ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 432 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 433 | const llvm::DenseSet<Selector> &InsMap, |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 434 | const llvm::DenseSet<Selector> &ClsMap, |
| 435 | ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 436 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 437 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 438 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 439 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 440 | ObjCIvarDecl **Fields, unsigned nIvars, |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 441 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 442 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 443 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 444 | /// remains unimplemented in the @implementation class. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 445 | void ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl, |
| 446 | ObjCInterfaceDecl* IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 447 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 448 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 449 | /// category interface is implemented in the category @implementation. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 450 | void ImplCategoryMethodsVsIntfMethods(ObjCCategoryImplDecl *CatImplDecl, |
| 451 | ObjCCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 452 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 453 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 454 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
Steve Naroff | fe6b0dc | 2008-10-21 10:37:50 +0000 | [diff] [blame] | 455 | const ObjCMethodDecl *PrevMethod, |
| 456 | bool matchBasedOnSizeAndAlignment = false); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 457 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 458 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 459 | /// unit are added to a global pool. This allows us to efficiently associate |
| 460 | /// a selector with a method declaraation for purposes of typechecking |
| 461 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 462 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 463 | |
Steve Naroff | 037cda5 | 2008-09-30 14:38:43 +0000 | [diff] [blame] | 464 | /// LookupInstanceMethodInGlobalPool - Returns the method and warns if |
| 465 | /// there are multiple signatures. |
| 466 | ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R); |
| 467 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 468 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 469 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 470 | //===--------------------------------------------------------------------===// |
| 471 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 472 | public: |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 473 | virtual StmtResult ActOnExprStmt(ExprTy *Expr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 474 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 475 | virtual StmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 476 | virtual StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
Chris Lattner | 98414c1 | 2007-08-31 21:49:55 +0000 | [diff] [blame] | 477 | StmtTy **Elts, unsigned NumElts, |
| 478 | bool isStmtExpr); |
Chris Lattner | 81c018d | 2008-03-13 06:29:04 +0000 | [diff] [blame] | 479 | virtual StmtResult ActOnDeclStmt(DeclTy *Decl, SourceLocation StartLoc, |
| 480 | SourceLocation EndLoc); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 481 | virtual StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprTy *LHSVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 482 | SourceLocation DotDotDotLoc, ExprTy *RHSVal, |
| 483 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 484 | virtual StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
Chris Lattner | 6c36be5 | 2007-07-18 02:28:47 +0000 | [diff] [blame] | 485 | SourceLocation ColonLoc, StmtTy *SubStmt, |
| 486 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 487 | virtual StmtResult ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 488 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 489 | virtual StmtResult ActOnIfStmt(SourceLocation IfLoc, ExprTy *CondVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 490 | StmtTy *ThenVal, SourceLocation ElseLoc, |
| 491 | StmtTy *ElseVal); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 492 | virtual StmtResult ActOnStartOfSwitchStmt(ExprTy *Cond); |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 493 | virtual StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 494 | StmtTy *Switch, ExprTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 495 | virtual StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprTy *Cond, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 496 | StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 497 | virtual StmtResult ActOnDoStmt(SourceLocation DoLoc, StmtTy *Body, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 498 | SourceLocation WhileLoc, ExprTy *Cond); |
| 499 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 500 | virtual StmtResult ActOnForStmt(SourceLocation ForLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 501 | SourceLocation LParenLoc, |
| 502 | StmtTy *First, ExprTy *Second, ExprTy *Third, |
| 503 | SourceLocation RParenLoc, StmtTy *Body); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 504 | virtual StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
Fariborz Jahanian | 3ba5a0f | 2008-01-03 17:55:25 +0000 | [diff] [blame] | 505 | SourceLocation LParenLoc, |
| 506 | StmtTy *First, ExprTy *Second, |
| 507 | SourceLocation RParenLoc, StmtTy *Body); |
| 508 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 509 | virtual StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 510 | SourceLocation LabelLoc, |
| 511 | IdentifierInfo *LabelII); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 512 | virtual StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 513 | SourceLocation StarLoc, |
| 514 | ExprTy *DestExp); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 515 | virtual StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 516 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 517 | virtual StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 518 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 519 | virtual StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 520 | ExprTy *RetValExp); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 521 | StmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 522 | |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 523 | virtual StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
Anders Carlsson | dfab34a | 2008-02-05 23:03:50 +0000 | [diff] [blame] | 524 | bool IsSimple, |
Anders Carlsson | 39c47b5 | 2007-11-23 23:12:25 +0000 | [diff] [blame] | 525 | bool IsVolatile, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 526 | unsigned NumOutputs, |
| 527 | unsigned NumInputs, |
| 528 | std::string *Names, |
| 529 | ExprTy **Constraints, |
| 530 | ExprTy **Exprs, |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 531 | ExprTy *AsmString, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 532 | unsigned NumClobbers, |
| 533 | ExprTy **Clobbers, |
Chris Lattner | fe79595 | 2007-10-29 04:04:16 +0000 | [diff] [blame] | 534 | SourceLocation RParenLoc); |
| 535 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 536 | virtual StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 537 | SourceLocation RParen, StmtTy *Parm, |
| 538 | StmtTy *Body, StmtTy *CatchList); |
| 539 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 540 | virtual StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 541 | StmtTy *Body); |
| 542 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 543 | virtual StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 544 | StmtTy *Try, |
| 545 | StmtTy *Catch, StmtTy *Finally); |
| 546 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 547 | virtual StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 548 | StmtTy *Throw); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 549 | virtual StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| 550 | ExprTy *SynchExpr, |
| 551 | StmtTy *SynchBody); |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 552 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 553 | //===--------------------------------------------------------------------===// |
| 554 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 555 | |
| 556 | // Primary Expressions. |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 557 | virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 558 | IdentifierInfo &II, |
| 559 | bool HasTrailingLParen); |
Chris Lattner | d9f6910 | 2008-08-10 01:53:14 +0000 | [diff] [blame] | 560 | virtual ExprResult ActOnPredefinedExpr(SourceLocation Loc, |
| 561 | tok::TokenKind Kind); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 562 | virtual ExprResult ActOnNumericConstant(const Token &); |
| 563 | virtual ExprResult ActOnCharacterConstant(const Token &); |
| 564 | virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 565 | ExprTy *Val); |
| 566 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 567 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 568 | /// fragments (e.g. "foo" "bar" L"baz"). |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 569 | virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 570 | |
| 571 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 572 | virtual ExprResult ActOnUnaryOp(SourceLocation OpLoc, tok::TokenKind Op, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 573 | ExprTy *Input); |
| 574 | virtual ExprResult |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 575 | ActOnSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 576 | SourceLocation LParenLoc, TypeTy *Ty, |
| 577 | SourceLocation RParenLoc); |
| 578 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 579 | virtual ExprResult ActOnPostfixUnaryOp(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 580 | tok::TokenKind Kind, ExprTy *Input); |
| 581 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 582 | virtual ExprResult ActOnArraySubscriptExpr(ExprTy *Base, SourceLocation LLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 583 | ExprTy *Idx, SourceLocation RLoc); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 584 | virtual ExprResult ActOnMemberReferenceExpr(ExprTy *Base,SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 585 | tok::TokenKind OpKind, |
| 586 | SourceLocation MemberLoc, |
| 587 | IdentifierInfo &Member); |
| 588 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 589 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 590 | /// This provides the location of the left/right parens and a list of comma |
| 591 | /// locations. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 592 | virtual ExprResult ActOnCallExpr(ExprTy *Fn, SourceLocation LParenLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 593 | ExprTy **Args, unsigned NumArgs, |
| 594 | SourceLocation *CommaLocs, |
| 595 | SourceLocation RParenLoc); |
| 596 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 597 | virtual ExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 598 | SourceLocation RParenLoc, ExprTy *Op); |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 599 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 600 | virtual ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, TypeTy *Ty, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 601 | SourceLocation RParenLoc, ExprTy *Op); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 602 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 603 | virtual ExprResult ActOnInitList(SourceLocation LParenLoc, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 604 | ExprTy **InitList, unsigned NumInit, |
| 605 | SourceLocation RParenLoc); |
| 606 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 607 | virtual ExprResult ActOnBinOp(SourceLocation TokLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 608 | ExprTy *LHS,ExprTy *RHS); |
| 609 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 610 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 611 | /// in the case of a the GNU conditional expr extension. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 612 | virtual ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 613 | SourceLocation ColonLoc, |
| 614 | ExprTy *Cond, ExprTy *LHS, ExprTy *RHS); |
| 615 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 616 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 617 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 618 | IdentifierInfo *LabelII); |
| 619 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 620 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 621 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 622 | |
| 623 | /// __builtin_offsetof(type, a.b[123][456].c) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 624 | virtual ExprResult ActOnBuiltinOffsetOf(SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 625 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 626 | OffsetOfComponent *CompPtr, |
| 627 | unsigned NumComponents, |
| 628 | SourceLocation RParenLoc); |
| 629 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 630 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 631 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 632 | TypeTy *arg1, TypeTy *arg2, |
| 633 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 634 | |
| 635 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 636 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 637 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 638 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 639 | |
Nate Begeman | e2ce1d9 | 2008-01-17 17:46:27 +0000 | [diff] [blame] | 640 | // __builtin_overload(...) |
| 641 | virtual ExprResult ActOnOverloadExpr(ExprTy **Args, unsigned NumArgs, |
| 642 | SourceLocation *CommaLocs, |
| 643 | SourceLocation BuiltinLoc, |
| 644 | SourceLocation RParenLoc); |
Nate Begeman | 440b456 | 2008-03-07 20:04:22 +0000 | [diff] [blame] | 645 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 646 | // __builtin_va_arg(expr, type) |
| 647 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 648 | ExprTy *expr, TypeTy *type, |
| 649 | SourceLocation RPLoc); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 650 | |
| 651 | //===------------------------- "Block" Extension ------------------------===// |
| 652 | |
| 653 | /// ActOnBlockStart - This callback is invoked when a block literal is |
| 654 | /// started. |
Steve Naroff | 090276f | 2008-10-10 01:28:17 +0000 | [diff] [blame] | 655 | virtual void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope); |
| 656 | |
| 657 | /// ActOnBlockArguments - This callback allows processing of block arguments. |
| 658 | /// If there are no arguments, this is still invoked. |
| 659 | virtual void ActOnBlockArguments(Declarator &ParamInfo); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 660 | |
| 661 | /// ActOnBlockError - If there is an error parsing a block, this callback |
| 662 | /// is invoked to pop the information about the block from the action impl. |
| 663 | virtual void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); |
| 664 | |
| 665 | /// ActOnBlockStmtExpr - This is called when the body of a block statement |
| 666 | /// literal was successfully completed. ^(int x){...} |
| 667 | virtual ExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, StmtTy *Body, |
| 668 | Scope *CurScope); |
| 669 | |
Argyrios Kyrtzidis | 2d1c5d3 | 2008-04-27 13:50:30 +0000 | [diff] [blame] | 670 | // Act on C++ namespaces |
| 671 | virtual DeclTy *ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc, |
| 672 | IdentifierInfo *Ident, |
| 673 | SourceLocation LBrace); |
| 674 | virtual void ActOnFinishNamespaceDef(DeclTy *Dcl, SourceLocation RBrace); |
| 675 | |
Argyrios Kyrtzidis | 73a0d88 | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 676 | /// AddCXXDirectInitializerToDecl - This action is called immediately after |
| 677 | /// ActOnDeclarator, when a C++ direct initializer is present. |
| 678 | /// e.g: "int x(1);" |
| 679 | virtual void AddCXXDirectInitializerToDecl(DeclTy *Dcl, |
| 680 | SourceLocation LParenLoc, |
| 681 | ExprTy **Exprs, unsigned NumExprs, |
| 682 | SourceLocation *CommaLocs, |
| 683 | SourceLocation RParenLoc); |
| 684 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 685 | /// ActOnCXXCasts - Parse {dynamic,static,reinterpret,const}_cast's. |
| 686 | virtual ExprResult ActOnCXXCasts(SourceLocation OpLoc, tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 687 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 688 | SourceLocation RAngleBracketLoc, |
| 689 | SourceLocation LParenLoc, ExprTy *E, |
| 690 | SourceLocation RParenLoc); |
| 691 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 692 | //// ActOnCXXThis - Parse 'this' pointer. |
| 693 | virtual ExprResult ActOnCXXThis(SourceLocation ThisLoc); |
| 694 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 695 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 696 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 697 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 698 | |
Chris Lattner | 50dd289 | 2008-02-26 00:51:44 +0000 | [diff] [blame] | 699 | //// ActOnCXXThrow - Parse throw expressions. |
| 700 | virtual ExprResult ActOnCXXThrow(SourceLocation OpLoc, |
| 701 | ExprTy *expr); |
| 702 | |
Argyrios Kyrtzidis | 987a14b | 2008-08-22 15:38:55 +0000 | [diff] [blame] | 703 | /// ActOnCXXTypeConstructExpr - Parse construction of a specified type. |
| 704 | /// Can be interpreted either as function-style casting ("int(x)") |
| 705 | /// or class type construction ("ClassType(x,y,z)") |
| 706 | /// or creation of a value-initialized type ("int()"). |
| 707 | virtual ExprResult ActOnCXXTypeConstructExpr(SourceRange TypeRange, |
| 708 | TypeTy *TypeRep, |
| 709 | SourceLocation LParenLoc, |
| 710 | ExprTy **Exprs, |
| 711 | unsigned NumExprs, |
| 712 | SourceLocation *CommaLocs, |
| 713 | SourceLocation RParenLoc); |
| 714 | |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 715 | /// ActOnCXXConditionDeclarationExpr - Parsed a condition declaration of a |
| 716 | /// C++ if/switch/while/for statement. |
| 717 | /// e.g: "if (int x = f()) {...}" |
| 718 | virtual ExprResult ActOnCXXConditionDeclarationExpr(Scope *S, |
| 719 | SourceLocation StartLoc, |
| 720 | Declarator &D, |
| 721 | SourceLocation EqualLoc, |
| 722 | ExprTy *AssignExprVal); |
| 723 | |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 724 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 725 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 726 | ExprTy **Strings, |
| 727 | unsigned NumStrings); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 728 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 729 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 730 | SourceLocation LParenLoc, |
| 731 | TypeTy *Ty, |
| 732 | SourceLocation RParenLoc); |
| 733 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 734 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 735 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 736 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 737 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 738 | SourceLocation LParenLoc, |
| 739 | SourceLocation RParenLoc); |
| 740 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 741 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 742 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 743 | SourceLocation AtLoc, |
| 744 | SourceLocation ProtoLoc, |
| 745 | SourceLocation LParenLoc, |
| 746 | SourceLocation RParenLoc); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 747 | |
| 748 | //===--------------------------------------------------------------------===// |
| 749 | // C++ Classes |
| 750 | // |
| 751 | /// ActOnBaseSpecifier - Parsed a base specifier |
| 752 | virtual void ActOnBaseSpecifier(DeclTy *classdecl, SourceRange SpecifierRange, |
| 753 | bool Virtual, AccessSpecifier Access, |
Argyrios Kyrtzidis | 39caa08 | 2008-08-01 10:35:27 +0000 | [diff] [blame] | 754 | TypeTy *basetype, SourceLocation BaseLoc); |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 755 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 756 | virtual void ActOnStartCXXClassDef(Scope *S, DeclTy *TagDecl, |
| 757 | SourceLocation LBrace); |
| 758 | |
| 759 | virtual DeclTy *ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, |
| 760 | Declarator &D, ExprTy *BitfieldWidth, |
| 761 | ExprTy *Init, DeclTy *LastInGroup); |
| 762 | |
| 763 | virtual void ActOnFinishCXXMemberSpecification(Scope* S, SourceLocation RLoc, |
| 764 | DeclTy *TagDecl, |
| 765 | SourceLocation LBrac, |
| 766 | SourceLocation RBrac); |
| 767 | |
Argyrios Kyrtzidis | 5b7f0c8 | 2008-08-09 00:39:29 +0000 | [diff] [blame] | 768 | virtual void ActOnFinishCXXClassDef(DeclTy *TagDecl); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 769 | |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 770 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 771 | // Objective-C declarations. |
Chris Lattner | 06036d3 | 2008-07-26 04:13:19 +0000 | [diff] [blame] | 772 | virtual DeclTy *ActOnStartClassInterface(SourceLocation AtInterfaceLoc, |
| 773 | IdentifierInfo *ClassName, |
| 774 | SourceLocation ClassLoc, |
| 775 | IdentifierInfo *SuperName, |
| 776 | SourceLocation SuperLoc, |
| 777 | DeclTy * const *ProtoRefs, |
| 778 | unsigned NumProtoRefs, |
| 779 | SourceLocation EndProtoLoc, |
| 780 | AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 781 | |
| 782 | virtual DeclTy *ActOnCompatiblityAlias( |
| 783 | SourceLocation AtCompatibilityAliasLoc, |
| 784 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 785 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 786 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 787 | virtual DeclTy *ActOnStartProtocolInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 788 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 789 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 790 | DeclTy * const *ProtoRefNames, unsigned NumProtoRefs, |
Daniel Dunbar | 246e70f | 2008-09-26 04:48:09 +0000 | [diff] [blame] | 791 | SourceLocation EndProtoLoc, |
| 792 | AttributeList *AttrList); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 793 | |
Chris Lattner | 6bd6d0b | 2008-07-26 04:07:02 +0000 | [diff] [blame] | 794 | virtual DeclTy *ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc, |
| 795 | IdentifierInfo *ClassName, |
| 796 | SourceLocation ClassLoc, |
| 797 | IdentifierInfo *CategoryName, |
| 798 | SourceLocation CategoryLoc, |
| 799 | DeclTy * const *ProtoRefs, |
| 800 | unsigned NumProtoRefs, |
| 801 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 802 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 803 | virtual DeclTy *ActOnStartClassImplementation( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 804 | SourceLocation AtClassImplLoc, |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 805 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 806 | IdentifierInfo *SuperClassname, |
| 807 | SourceLocation SuperClassLoc); |
| 808 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 809 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 810 | SourceLocation AtCatImplLoc, |
| 811 | IdentifierInfo *ClassName, |
| 812 | SourceLocation ClassLoc, |
| 813 | IdentifierInfo *CatName, |
| 814 | SourceLocation CatLoc); |
| 815 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 816 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 817 | IdentifierInfo **IdentList, |
| 818 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 819 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 820 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 821 | const IdentifierLocPair *IdentList, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 822 | unsigned NumElts); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 823 | |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 824 | virtual void FindProtocolDeclaration(bool WarnOnDeclarations, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 825 | const IdentifierLocPair *ProtocolId, |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 826 | unsigned NumProtocols, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 827 | llvm::SmallVectorImpl<DeclTy *> &Protocols); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 828 | |
Daniel Dunbar | 95e61fb | 2008-09-23 21:53:23 +0000 | [diff] [blame] | 829 | /// Ensure attributes are consistent with type. |
| 830 | /// \param [in, out] Attributes The attributes to check; they will |
| 831 | /// be modified to be consistent with \arg PropertyTy. |
| 832 | void CheckObjCPropertyAttributes(QualType PropertyTy, |
| 833 | SourceLocation Loc, |
| 834 | unsigned &Attributes); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 835 | void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| 836 | ObjCPropertyDecl *SuperProperty, |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 837 | const char *Name); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 838 | void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | b5e0224 | 2008-04-24 19:58:34 +0000 | [diff] [blame] | 839 | |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 840 | void MergeProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 841 | DeclTy *MergeProtocols); |
| 842 | |
| 843 | void MergeOneProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 844 | ObjCProtocolDecl *PDecl); |
| 845 | |
Steve Naroff | 0416fb9 | 2007-11-11 17:19:15 +0000 | [diff] [blame] | 846 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl, |
| 847 | DeclTy **allMethods = 0, unsigned allNum = 0, |
| 848 | DeclTy **allProperties = 0, unsigned pNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 849 | |
Fariborz Jahanian | 1de1e74 | 2008-04-14 23:36:35 +0000 | [diff] [blame] | 850 | virtual DeclTy *ActOnProperty(Scope *S, SourceLocation AtLoc, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 851 | FieldDeclarator &FD, ObjCDeclSpec &ODS, |
Fariborz Jahanian | 5251e13 | 2008-05-06 18:09:04 +0000 | [diff] [blame] | 852 | Selector GetterSel, Selector SetterSel, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 853 | tok::ObjCKeywordKind MethodImplKind); |
| 854 | |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 855 | virtual DeclTy *ActOnPropertyImplDecl(SourceLocation AtLoc, |
| 856 | SourceLocation PropertyLoc, |
| 857 | bool ImplKind, DeclTy *ClassImplDecl, |
| 858 | IdentifierInfo *PropertyId, |
| 859 | IdentifierInfo *PropertyIvar); |
| 860 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 861 | virtual DeclTy *ActOnMethodDeclaration( |
| 862 | SourceLocation BeginLoc, // location of the + or -. |
| 863 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 864 | tok::TokenKind MethodType, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 865 | DeclTy *ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 866 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 867 | // optional arguments. The number of types/arguments is obtained |
| 868 | // from the Sel.getNumArgs(). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 869 | ObjCDeclSpec *ArgQT, TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 870 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 871 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 872 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 873 | // ActOnClassMessage - used for both unary and keyword messages. |
| 874 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 875 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 876 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 877 | Scope *S, |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 878 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 879 | SourceLocation lbrac, SourceLocation rbrac, |
| 880 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 881 | |
| 882 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 883 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 884 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 885 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 886 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 887 | SourceLocation lbrac, SourceLocation rbrac, |
| 888 | ExprTy **ArgExprs, unsigned NumArgs); |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 889 | |
| 890 | /// ActOnPragmaPack - Called on well formed #pragma pack(...). |
| 891 | virtual void ActOnPragmaPack(PragmaPackKind Kind, |
| 892 | IdentifierInfo *Name, |
| 893 | ExprTy *Alignment, |
| 894 | SourceLocation PragmaLoc, |
| 895 | SourceLocation LParenLoc, |
| 896 | SourceLocation RParenLoc); |
| 897 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 898 | private: |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 899 | /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| 900 | /// cast. If there is already an implicit cast, merge into the existing one. |
| 901 | void ImpCastExprToType(Expr *&Expr, QualType Type); |
| 902 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 903 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 904 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 905 | Expr *UsualUnaryConversions(Expr *&expr); |
Eli Friedman | 3c0eb16 | 2008-05-27 03:33:27 +0000 | [diff] [blame] | 906 | |
| 907 | // UsualUnaryConversionType - Same as UsualUnaryConversions, but works |
| 908 | // on types instead of expressions |
| 909 | QualType UsualUnaryConversionType(QualType Ty); |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 910 | |
| 911 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 912 | // to their respective pointers (C99 6.3.2.1). |
| 913 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 914 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 915 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 916 | // do not have a prototype. Integer promotions are performed on each |
| 917 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 918 | void DefaultArgumentPromotion(Expr *&Expr); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 919 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 920 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 921 | // operands and then handles various conversions that are common to binary |
| 922 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 923 | // routine returns the first non-arithmetic type found. The client is |
| 924 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 925 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 926 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 927 | |
| 928 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 929 | /// enum to indicate whether the assignment was allowed. These checks are |
| 930 | /// done for simple assignments, as well as initialization, return from |
| 931 | /// function, argument passing, etc. The query is phrased in terms of a |
| 932 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 933 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 934 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 935 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 936 | |
| 937 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 938 | /// accept as an extension. |
| 939 | PointerToInt, |
| 940 | |
| 941 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 942 | /// accept as an extension. |
| 943 | IntToPointer, |
| 944 | |
| 945 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 946 | /// 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] | 947 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 948 | |
| 949 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 950 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 951 | IncompatiblePointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 952 | |
| 953 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 954 | /// c/v/r qualifiers, which we accept as an extension. |
| 955 | CompatiblePointerDiscardsQualifiers, |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 956 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 957 | /// IntToBlockPointer - The assignment converts an int to a block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 958 | /// pointer. We disallow this. |
| 959 | IntToBlockPointer, |
| 960 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 961 | /// IncompatibleBlockPointer - The assignment is between two block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 962 | /// pointers types that are not compatible. |
| 963 | IncompatibleBlockPointer, |
| 964 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 965 | /// BlockVoidPointer - The assignment is between a block pointer and |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 966 | /// void*, we accept for now. |
| 967 | BlockVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 968 | |
Steve Naroff | 3957907 | 2008-10-14 22:18:38 +0000 | [diff] [blame] | 969 | /// IncompatibleObjCQualifiedId - The assignment is between a qualified |
| 970 | /// id type and something else (that is incompatible with it). For example, |
| 971 | /// "id <XXX>" = "Foo *", where "Foo *" doesn't implement the XXX protocol. |
| 972 | IncompatibleObjCQualifiedId, |
| 973 | |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 974 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 975 | /// represent it in the AST. |
| 976 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 977 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 978 | |
| 979 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 980 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 981 | /// conversion was invalid or false if the conversion was accepted. |
| 982 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 983 | SourceLocation Loc, |
| 984 | QualType DstType, QualType SrcType, |
| 985 | Expr *SrcExpr, const char *Flavor); |
| 986 | |
| 987 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 988 | /// argument passing, variable initialization, and function return values. |
| 989 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 990 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 991 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 992 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 993 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 994 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 995 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 996 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 997 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 998 | // conversions. For compound assignments, the "Check...Operands" methods |
| 999 | // perform the necessary conversions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1000 | AssignConvertType CheckCompoundAssignmentConstraints(QualType lhs, |
| 1001 | QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1002 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1003 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1004 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 1005 | QualType rhsType); |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1006 | |
| 1007 | // Helper function for CheckAssignmentConstraints involving two |
| 1008 | // blcok pointer types. |
| 1009 | AssignConvertType CheckBlockPointerTypesForAssignment(QualType lhsType, |
| 1010 | QualType rhsType); |
Douglas Gregor | 77a5223 | 2008-09-12 00:47:35 +0000 | [diff] [blame] | 1011 | |
| 1012 | bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1013 | |
| 1014 | /// the following "Check" methods will return a valid/converted QualType |
| 1015 | /// or a null QualType (indicating an error diagnostic was issued). |
| 1016 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1017 | /// type checking binary operators (subroutines of ActOnBinOp). |
Chris Lattner | ca5eede | 2007-12-12 05:47:28 +0000 | [diff] [blame] | 1018 | inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1019 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1020 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1021 | inline QualType CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1022 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1023 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1024 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1025 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1026 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1027 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1028 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 1029 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 1030 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1031 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1032 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1033 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1034 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1035 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 1036 | // For simple assignment, pass both expressions and a null converted type. |
| 1037 | // For compound assignment, pass both expressions and the converted type. |
| 1038 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 1039 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1040 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1041 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1042 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1043 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Nate Begeman | be2341d | 2008-07-14 18:02:46 +0000 | [diff] [blame] | 1044 | |
| 1045 | /// type checking for vector binary operators. |
| 1046 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
| 1047 | inline QualType CheckVectorCompareOperands(Expr *&lex, Expr *&rx, |
| 1048 | SourceLocation l, bool isRel); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1049 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1050 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1051 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| 1052 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc); |
| 1053 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 1054 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
Chris Lattner | bb280a4 | 2008-07-25 21:45:37 +0000 | [diff] [blame] | 1055 | QualType CheckSizeOfAlignOfOperand(QualType type, SourceLocation OpLoc, |
| 1056 | const SourceRange &R, bool isSizeof); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 1057 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 1058 | |
| 1059 | /// type checking primary expressions. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 1060 | QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc, |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 1061 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 1062 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 1063 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1064 | friend class InitListChecker; |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 1065 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType); |
| 1066 | bool CheckSingleInitializer(Expr *&simpleInit, QualType declType); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 1067 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Eli Friedman | c594b32 | 2008-05-20 13:48:25 +0000 | [diff] [blame] | 1068 | bool CheckArithmeticConstantExpression(const Expr* e); |
| 1069 | bool CheckAddressConstantExpression(const Expr* e); |
| 1070 | bool CheckAddressConstantExpressionLValue(const Expr* e); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 1071 | |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 1072 | StringLiteral *IsStringLiteralInit(Expr *Init, QualType DeclType); |
| 1073 | bool CheckStringLiteralInit(StringLiteral *strLiteral, QualType &DeclT); |
Argyrios Kyrtzidis | 6c2dc4d | 2008-08-16 20:27:34 +0000 | [diff] [blame] | 1074 | |
| 1075 | /// CheckCastTypes - Check type constraints for casting between types. |
Daniel Dunbar | 58d5ebb | 2008-08-20 03:55:42 +0000 | [diff] [blame] | 1076 | bool CheckCastTypes(SourceRange TyRange, QualType CastTy, Expr *&CastExpr); |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 1077 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 1078 | // CheckVectorCast - check type constraints for vectors. |
| 1079 | // Since vectors are an extension, there are no C standard reference for this. |
| 1080 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 1081 | // returns true if the cast is invalid |
| 1082 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 1083 | |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 1084 | /// CheckMessageArgumentTypes - Check types in an Obj-C message send. |
| 1085 | /// \param Method - May be null. |
| 1086 | /// \param [out] ReturnType - The return type of the send. |
| 1087 | /// \return true iff there were any incompatible types. |
Daniel Dunbar | 91e19b2 | 2008-09-11 00:50:25 +0000 | [diff] [blame] | 1088 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, Selector Sel, |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 1089 | ObjCMethodDecl *Method, const char *PrefixStr, |
| 1090 | SourceLocation lbrac, SourceLocation rbrac, |
| 1091 | QualType &ReturnType); |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 1092 | |
| 1093 | /// CheckCXXBooleanCondition - Returns true if conversion to bool is invalid. |
| 1094 | bool CheckCXXBooleanCondition(Expr *&CondExpr); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 1095 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 1096 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 1097 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 1098 | /// the specified diagnostic. |
| 1099 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 1100 | unsigned NewWidth, bool NewSign, |
| 1101 | SourceLocation Loc, unsigned DiagID); |
| 1102 | |
Chris Lattner | eca7be6 | 2008-04-07 05:30:13 +0000 | [diff] [blame] | 1103 | bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, |
| 1104 | bool ForCompare); |
| 1105 | |
| 1106 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 1107 | void InitBuiltinVaListType(); |
Eli Friedman | 1b76ada | 2008-06-03 21:01:11 +0000 | [diff] [blame] | 1108 | |
| 1109 | // Helper method to turn variable array types into |
| 1110 | // constant array types in certain situations which would otherwise |
| 1111 | // be errors |
| 1112 | QualType TryFixInvalidVariablyModifiedType(QualType T); |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 1113 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 1114 | //===--------------------------------------------------------------------===// |
| 1115 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1116 | private: |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 1117 | Action::ExprResult CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1118 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
| 1119 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 1120 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
Eli Friedman | 6cfda23 | 2008-05-20 08:23:37 +0000 | [diff] [blame] | 1121 | bool SemaBuiltinStackAddress(CallExpr *TheCall); |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 1122 | Action::ExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
Daniel Dunbar | 4493f79 | 2008-07-21 22:59:13 +0000 | [diff] [blame] | 1123 | bool SemaBuiltinPrefetch(CallExpr *TheCall); |
Daniel Dunbar | d5f8a4f | 2008-09-03 21:13:56 +0000 | [diff] [blame] | 1124 | bool SemaBuiltinObjectSize(CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1125 | void CheckPrintfArguments(CallExpr *TheCall, |
| 1126 | bool HasVAListArg, unsigned format_idx); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 1127 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 1128 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 1129 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1130 | }; |
| 1131 | |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1132 | class InitListChecker { |
| 1133 | Sema *SemaRef; |
| 1134 | bool hadError; |
| 1135 | |
| 1136 | void CheckImplicitInitList(InitListExpr *ParentIList, QualType T, |
| 1137 | unsigned &Index); |
Steve Naroff | a647caa | 2008-05-06 00:23:44 +0000 | [diff] [blame] | 1138 | void CheckExplicitInitList(InitListExpr *IList, QualType &T, |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1139 | unsigned &Index); |
| 1140 | |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 1141 | void CheckListElementTypes(InitListExpr *IList, QualType &DeclType, |
| 1142 | unsigned &Index); |
| 1143 | void CheckSubElementType(InitListExpr *IList, QualType ElemType, |
| 1144 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1145 | // FIXME: Does DeclType need to be a reference type? |
| 1146 | void CheckScalarType(InitListExpr *IList, QualType &DeclType, |
| 1147 | unsigned &Index); |
| 1148 | void CheckVectorType(InitListExpr *IList, QualType DeclType, unsigned &Index); |
| 1149 | void CheckStructUnionTypes(InitListExpr *IList, QualType DeclType, |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 1150 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1151 | void CheckArrayType(InitListExpr *IList, QualType &DeclType, unsigned &Index); |
| 1152 | |
| 1153 | int numArrayElements(QualType DeclType); |
| 1154 | int numStructUnionElements(QualType DeclType); |
| 1155 | public: |
| 1156 | InitListChecker(Sema *S, InitListExpr *IL, QualType &T); |
| 1157 | bool HadError() { return hadError; } |
| 1158 | }; |
| 1159 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1160 | /// BlockSemaInfo - When a block is being parsed, this contains information |
| 1161 | /// about the block. It is pointed to from Sema::CurBlock. |
| 1162 | struct BlockSemaInfo { |
| 1163 | llvm::SmallVector<ParmVarDecl*, 8> Params; |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1164 | bool hasPrototype; |
| 1165 | bool isVariadic; |
| 1166 | |
Steve Naroff | 1c90bfc | 2008-10-08 18:44:00 +0000 | [diff] [blame] | 1167 | BlockDecl *TheDecl; |
| 1168 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1169 | /// TheScope - This is the scope for the block itself, which contains |
| 1170 | /// arguments etc. |
| 1171 | Scope *TheScope; |
| 1172 | |
| 1173 | /// ReturnType - This will get set to block result type, by looking at |
| 1174 | /// return types, if any, in the block body. |
| 1175 | Type *ReturnType; |
| 1176 | |
| 1177 | /// PrevBlockInfo - If this is nested inside another block, this points |
| 1178 | /// to the outer block. |
| 1179 | BlockSemaInfo *PrevBlockInfo; |
| 1180 | }; |
| 1181 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1182 | |
| 1183 | } // end namespace clang |
| 1184 | |
| 1185 | #endif |