Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 1 | //===------- TreeTransform.h - Semantic Tree Transformation ---------------===/ |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | //===----------------------------------------------------------------------===/ |
| 8 | // |
| 9 | // This file implements a semantic tree transformation that takes a given |
| 10 | // AST and rebuilds it, possibly transforming some nodes in the process. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===/ |
| 13 | #ifndef LLVM_CLANG_SEMA_TREETRANSFORM_H |
| 14 | #define LLVM_CLANG_SEMA_TREETRANSFORM_H |
| 15 | |
| 16 | #include "Sema.h" |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 17 | #include "clang/Sema/SemaDiagnostic.h" |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 18 | #include "clang/AST/Decl.h" |
Douglas Gregor | 657c1ac | 2009-08-06 22:17:10 +0000 | [diff] [blame] | 19 | #include "clang/AST/Expr.h" |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 20 | #include "clang/AST/ExprCXX.h" |
| 21 | #include "clang/AST/ExprObjC.h" |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 22 | #include "clang/AST/Stmt.h" |
| 23 | #include "clang/AST/StmtCXX.h" |
| 24 | #include "clang/AST/StmtObjC.h" |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 25 | #include "clang/Parse/Ownership.h" |
| 26 | #include "clang/Parse/Designator.h" |
| 27 | #include "clang/Lex/Preprocessor.h" |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 28 | #include <algorithm> |
| 29 | |
| 30 | namespace clang { |
| 31 | |
| 32 | /// \brief A semantic tree transformation that allows one to transform one |
| 33 | /// abstract syntax tree into another. |
| 34 | /// |
| 35 | /// A new tree transformation is defined by creating a new subclass \c X of |
| 36 | /// \c TreeTransform<X> and then overriding certain operations to provide |
| 37 | /// behavior specific to that transformation. For example, template |
| 38 | /// instantiation is implemented as a tree transformation where the |
| 39 | /// transformation of TemplateTypeParmType nodes involves substituting the |
| 40 | /// template arguments for their corresponding template parameters; a similar |
| 41 | /// transformation is performed for non-type template parameters and |
| 42 | /// template template parameters. |
| 43 | /// |
| 44 | /// This tree-transformation template uses static polymorphism to allow |
| 45 | /// subclasses to customize any of its operations. Thus, a subclass can |
| 46 | /// override any of the transformation or rebuild operators by providing an |
| 47 | /// operation with the same signature as the default implementation. The |
| 48 | /// overridding function should not be virtual. |
| 49 | /// |
| 50 | /// Semantic tree transformations are split into two stages, either of which |
| 51 | /// can be replaced by a subclass. The "transform" step transforms an AST node |
| 52 | /// or the parts of an AST node using the various transformation functions, |
| 53 | /// then passes the pieces on to the "rebuild" step, which constructs a new AST |
| 54 | /// node of the appropriate kind from the pieces. The default transformation |
| 55 | /// routines recursively transform the operands to composite AST nodes (e.g., |
| 56 | /// the pointee type of a PointerType node) and, if any of those operand nodes |
| 57 | /// were changed by the transformation, invokes the rebuild operation to create |
| 58 | /// a new AST node. |
| 59 | /// |
| 60 | /// Subclasses can customize the transformation at various levels. The |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 61 | /// most coarse-grained transformations involve replacing TransformType(), |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 62 | /// TransformExpr(), TransformDecl(), TransformNestedNameSpecifier(), |
| 63 | /// TransformTemplateName(), or TransformTemplateArgument() with entirely |
| 64 | /// new implementations. |
| 65 | /// |
| 66 | /// For more fine-grained transformations, subclasses can replace any of the |
| 67 | /// \c TransformXXX functions (where XXX is the name of an AST node, e.g., |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 68 | /// PointerType, StmtExpr) to alter the transformation. As mentioned previously, |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 69 | /// replacing TransformTemplateTypeParmType() allows template instantiation |
| 70 | /// to substitute template arguments for their corresponding template |
| 71 | /// parameters. Additionally, subclasses can override the \c RebuildXXX |
| 72 | /// functions to control how AST nodes are rebuilt when their operands change. |
| 73 | /// By default, \c TreeTransform will invoke semantic analysis to rebuild |
| 74 | /// AST nodes. However, certain other tree transformations (e.g, cloning) may |
| 75 | /// be able to use more efficient rebuild steps. |
| 76 | /// |
| 77 | /// There are a handful of other functions that can be overridden, allowing one |
| 78 | /// to avoid traversing nodes that don't need any transformation |
| 79 | /// (\c AlreadyTransformed()), force rebuilding AST nodes even when their |
| 80 | /// operands have not changed (\c AlwaysRebuild()), and customize the |
| 81 | /// default locations and entity names used for type-checking |
| 82 | /// (\c getBaseLocation(), \c getBaseEntity()). |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 83 | template<typename Derived> |
| 84 | class TreeTransform { |
| 85 | protected: |
| 86 | Sema &SemaRef; |
| 87 | |
| 88 | public: |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 89 | typedef Sema::OwningStmtResult OwningStmtResult; |
| 90 | typedef Sema::OwningExprResult OwningExprResult; |
| 91 | typedef Sema::StmtArg StmtArg; |
| 92 | typedef Sema::ExprArg ExprArg; |
| 93 | typedef Sema::MultiExprArg MultiExprArg; |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 94 | typedef Sema::MultiStmtArg MultiStmtArg; |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 95 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 96 | /// \brief Initializes a new tree transformer. |
| 97 | TreeTransform(Sema &SemaRef) : SemaRef(SemaRef) { } |
| 98 | |
| 99 | /// \brief Retrieves a reference to the derived class. |
| 100 | Derived &getDerived() { return static_cast<Derived&>(*this); } |
| 101 | |
| 102 | /// \brief Retrieves a reference to the derived class. |
| 103 | const Derived &getDerived() const { |
| 104 | return static_cast<const Derived&>(*this); |
| 105 | } |
| 106 | |
| 107 | /// \brief Retrieves a reference to the semantic analysis object used for |
| 108 | /// this tree transform. |
| 109 | Sema &getSema() const { return SemaRef; } |
| 110 | |
| 111 | /// \brief Whether the transformation should always rebuild AST nodes, even |
| 112 | /// if none of the children have changed. |
| 113 | /// |
| 114 | /// Subclasses may override this function to specify when the transformation |
| 115 | /// should rebuild all AST nodes. |
| 116 | bool AlwaysRebuild() { return false; } |
| 117 | |
| 118 | /// \brief Returns the location of the entity being transformed, if that |
| 119 | /// information was not available elsewhere in the AST. |
| 120 | /// |
| 121 | /// By default, returns no source-location information. Subclasses can |
| 122 | /// provide an alternative implementation that provides better location |
| 123 | /// information. |
| 124 | SourceLocation getBaseLocation() { return SourceLocation(); } |
| 125 | |
| 126 | /// \brief Returns the name of the entity being transformed, if that |
| 127 | /// information was not available elsewhere in the AST. |
| 128 | /// |
| 129 | /// By default, returns an empty name. Subclasses can provide an alternative |
| 130 | /// implementation with a more precise name. |
| 131 | DeclarationName getBaseEntity() { return DeclarationName(); } |
| 132 | |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 133 | /// \brief Sets the "base" location and entity when that |
| 134 | /// information is known based on another transformation. |
| 135 | /// |
| 136 | /// By default, the source location and entity are ignored. Subclasses can |
| 137 | /// override this function to provide a customized implementation. |
| 138 | void setBase(SourceLocation Loc, DeclarationName Entity) { } |
| 139 | |
| 140 | /// \brief RAII object that temporarily sets the base location and entity |
| 141 | /// used for reporting diagnostics in types. |
| 142 | class TemporaryBase { |
| 143 | TreeTransform &Self; |
| 144 | SourceLocation OldLocation; |
| 145 | DeclarationName OldEntity; |
| 146 | |
| 147 | public: |
| 148 | TemporaryBase(TreeTransform &Self, SourceLocation Location, |
| 149 | DeclarationName Entity) : Self(Self) |
| 150 | { |
| 151 | OldLocation = Self.getDerived().getBaseLocation(); |
| 152 | OldEntity = Self.getDerived().getBaseEntity(); |
| 153 | Self.getDerived().setBase(Location, Entity); |
| 154 | } |
| 155 | |
| 156 | ~TemporaryBase() { |
| 157 | Self.getDerived().setBase(OldLocation, OldEntity); |
| 158 | } |
| 159 | }; |
| 160 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 161 | /// \brief Determine whether the given type \p T has already been |
| 162 | /// transformed. |
| 163 | /// |
| 164 | /// Subclasses can provide an alternative implementation of this routine |
| 165 | /// to short-circuit evaluation when it is known that a given type will |
| 166 | /// not change. For example, template instantiation need not traverse |
| 167 | /// non-dependent types. |
| 168 | bool AlreadyTransformed(QualType T) { |
| 169 | return T.isNull(); |
| 170 | } |
| 171 | |
| 172 | /// \brief Transforms the given type into another type. |
| 173 | /// |
| 174 | /// By default, this routine transforms a type by delegating to the |
| 175 | /// appropriate TransformXXXType to build a new type, then applying |
| 176 | /// the qualifiers on \p T to the resulting type with AddTypeQualifiers. |
| 177 | /// Subclasses may override this function (to take over all type |
| 178 | /// transformations), some set of the TransformXXXType functions, or |
| 179 | /// the AddTypeQualifiers function to alter the transformation. |
| 180 | /// |
| 181 | /// \returns the transformed type. |
| 182 | QualType TransformType(QualType T); |
| 183 | |
| 184 | /// \brief Transform the given type by adding the given set of qualifiers |
| 185 | /// and returning the result. |
| 186 | /// |
| 187 | /// FIXME: By default, this routine adds type qualifiers only to types that |
| 188 | /// can have qualifiers, and silently suppresses those qualifiers that are |
| 189 | /// not permitted (e.g., qualifiers on reference or function types). This |
| 190 | /// is the right thing for template instantiation, but probably not for |
| 191 | /// other clients. |
| 192 | QualType AddTypeQualifiers(QualType T, unsigned CVRQualifiers); |
| 193 | |
Douglas Gregor | 657c1ac | 2009-08-06 22:17:10 +0000 | [diff] [blame] | 194 | /// \brief Transform the given statement. |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 195 | /// |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 196 | /// By default, this routine transforms a statement by delegating to the |
| 197 | /// appropriate TransformXXXStmt function to transform a specific kind of |
| 198 | /// statement or the TransformExpr() function to transform an expression. |
| 199 | /// Subclasses may override this function to transform statements using some |
| 200 | /// other mechanism. |
| 201 | /// |
| 202 | /// \returns the transformed statement. |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 203 | OwningStmtResult TransformStmt(Stmt *S); |
Douglas Gregor | 657c1ac | 2009-08-06 22:17:10 +0000 | [diff] [blame] | 204 | |
| 205 | /// \brief Transform the given expression. |
| 206 | /// |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 207 | /// By default, this routine transforms an expression by delegating to the |
| 208 | /// appropriate TransformXXXExpr function to build a new expression. |
| 209 | /// Subclasses may override this function to transform expressions using some |
| 210 | /// other mechanism. |
| 211 | /// |
| 212 | /// \returns the transformed expression. |
| 213 | OwningExprResult TransformExpr(Expr *E) { |
| 214 | return getDerived().TransformExpr(E, /*isAddressOfOperand=*/false); |
| 215 | } |
| 216 | |
| 217 | /// \brief Transform the given expression. |
| 218 | /// |
| 219 | /// By default, this routine transforms an expression by delegating to the |
| 220 | /// appropriate TransformXXXExpr function to build a new expression. |
| 221 | /// Subclasses may override this function to transform expressions using some |
| 222 | /// other mechanism. |
| 223 | /// |
| 224 | /// \returns the transformed expression. |
| 225 | OwningExprResult TransformExpr(Expr *E, bool isAddressOfOperand); |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 226 | |
| 227 | /// \brief Transform the given declaration, which is referenced from a type |
| 228 | /// or expression. |
| 229 | /// |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 230 | /// By default, acts as the identity function on declarations. Subclasses |
| 231 | /// may override this function to provide alternate behavior. |
| 232 | Decl *TransformDecl(Decl *D) { return D; } |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 233 | |
| 234 | /// \brief Transform the definition of the given declaration. |
| 235 | /// |
| 236 | /// By default, invokes TransformDecl() to transform the declaration. |
| 237 | /// Subclasses may override this function to provide alternate behavior. |
| 238 | Decl *TransformDefinition(Decl *D) { return getDerived().TransformDecl(D); } |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 239 | |
| 240 | /// \brief Transform the given nested-name-specifier. |
| 241 | /// |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 242 | /// By default, transforms all of the types and declarations within the |
| 243 | /// nested-name-specifier. Subclasses may override this function to provide |
| 244 | /// alternate behavior. |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 245 | NestedNameSpecifier *TransformNestedNameSpecifier(NestedNameSpecifier *NNS, |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 246 | SourceRange Range, |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 247 | QualType ObjectType = QualType(), |
| 248 | NamedDecl *FirstQualifierInScope = 0); |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 249 | |
Douglas Gregor | 81499bb | 2009-09-03 22:13:48 +0000 | [diff] [blame] | 250 | /// \brief Transform the given declaration name. |
| 251 | /// |
| 252 | /// By default, transforms the types of conversion function, constructor, |
| 253 | /// and destructor names and then (if needed) rebuilds the declaration name. |
| 254 | /// Identifiers and selectors are returned unmodified. Sublcasses may |
| 255 | /// override this function to provide alternate behavior. |
| 256 | DeclarationName TransformDeclarationName(DeclarationName Name, |
| 257 | SourceLocation Loc); |
| 258 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 259 | /// \brief Transform the given template name. |
| 260 | /// |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 261 | /// By default, transforms the template name by transforming the declarations |
| 262 | /// and nested-name-specifiers that occur within the template name. |
| 263 | /// Subclasses may override this function to provide alternate behavior. |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 264 | TemplateName TransformTemplateName(TemplateName Name, |
| 265 | QualType ObjectType = QualType()); |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 266 | |
| 267 | /// \brief Transform the given template argument. |
| 268 | /// |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 269 | /// By default, this operation transforms the type, expression, or |
| 270 | /// declaration stored within the template argument and constructs a |
| 271 | /// new template argument from the transformed result. Subclasses may |
| 272 | /// override this function to provide alternate behavior. |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 273 | TemplateArgument TransformTemplateArgument(const TemplateArgument &Arg); |
| 274 | |
| 275 | #define ABSTRACT_TYPE(CLASS, PARENT) |
| 276 | #define TYPE(CLASS, PARENT) \ |
| 277 | QualType Transform##CLASS##Type(const CLASS##Type *T); |
| 278 | #include "clang/AST/TypeNodes.def" |
| 279 | |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 280 | OwningStmtResult TransformCompoundStmt(CompoundStmt *S, bool IsStmtExpr); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 281 | |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 282 | #define STMT(Node, Parent) \ |
| 283 | OwningStmtResult Transform##Node(Node *S); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 284 | #define EXPR(Node, Parent) \ |
| 285 | OwningExprResult Transform##Node(Node *E); |
| 286 | #define ABSTRACT_EXPR(Node, Parent) |
| 287 | #include "clang/AST/StmtNodes.def" |
| 288 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 289 | /// \brief Build a new pointer type given its pointee type. |
| 290 | /// |
| 291 | /// By default, performs semantic analysis when building the pointer type. |
| 292 | /// Subclasses may override this routine to provide different behavior. |
| 293 | QualType RebuildPointerType(QualType PointeeType); |
| 294 | |
| 295 | /// \brief Build a new block pointer type given its pointee type. |
| 296 | /// |
| 297 | /// By default, performs semantic analysis when building the block pointer |
| 298 | /// type. Subclasses may override this routine to provide different behavior. |
| 299 | QualType RebuildBlockPointerType(QualType PointeeType); |
| 300 | |
| 301 | /// \brief Build a new lvalue reference type given the type it references. |
| 302 | /// |
| 303 | /// By default, performs semantic analysis when building the lvalue reference |
| 304 | /// type. Subclasses may override this routine to provide different behavior. |
| 305 | QualType RebuildLValueReferenceType(QualType ReferentType); |
| 306 | |
| 307 | /// \brief Build a new rvalue reference type given the type it references. |
| 308 | /// |
| 309 | /// By default, performs semantic analysis when building the rvalue reference |
| 310 | /// type. Subclasses may override this routine to provide different behavior. |
| 311 | QualType RebuildRValueReferenceType(QualType ReferentType); |
| 312 | |
| 313 | /// \brief Build a new member pointer type given the pointee type and the |
| 314 | /// class type it refers into. |
| 315 | /// |
| 316 | /// By default, performs semantic analysis when building the member pointer |
| 317 | /// type. Subclasses may override this routine to provide different behavior. |
| 318 | QualType RebuildMemberPointerType(QualType PointeeType, QualType ClassType); |
| 319 | |
| 320 | /// \brief Build a new array type given the element type, size |
| 321 | /// modifier, size of the array (if known), size expression, and index type |
| 322 | /// qualifiers. |
| 323 | /// |
| 324 | /// By default, performs semantic analysis when building the array type. |
| 325 | /// Subclasses may override this routine to provide different behavior. |
| 326 | /// Also by default, all of the other Rebuild*Array |
| 327 | QualType RebuildArrayType(QualType ElementType, |
| 328 | ArrayType::ArraySizeModifier SizeMod, |
| 329 | const llvm::APInt *Size, |
| 330 | Expr *SizeExpr, |
| 331 | unsigned IndexTypeQuals, |
| 332 | SourceRange BracketsRange); |
| 333 | |
| 334 | /// \brief Build a new constant array type given the element type, size |
| 335 | /// modifier, (known) size of the array, and index type qualifiers. |
| 336 | /// |
| 337 | /// By default, performs semantic analysis when building the array type. |
| 338 | /// Subclasses may override this routine to provide different behavior. |
| 339 | QualType RebuildConstantArrayType(QualType ElementType, |
| 340 | ArrayType::ArraySizeModifier SizeMod, |
| 341 | const llvm::APInt &Size, |
| 342 | unsigned IndexTypeQuals); |
| 343 | |
| 344 | /// \brief Build a new constant array type given the element type, size |
| 345 | /// modifier, (known) size of the array, size expression, and index type |
| 346 | /// qualifiers. |
| 347 | /// |
| 348 | /// By default, performs semantic analysis when building the array type. |
| 349 | /// Subclasses may override this routine to provide different behavior. |
| 350 | QualType RebuildConstantArrayWithExprType(QualType ElementType, |
| 351 | ArrayType::ArraySizeModifier SizeMod, |
| 352 | const llvm::APInt &Size, |
| 353 | Expr *SizeExpr, |
| 354 | unsigned IndexTypeQuals, |
| 355 | SourceRange BracketsRange); |
| 356 | |
| 357 | /// \brief Build a new constant array type given the element type, size |
| 358 | /// modifier, (known) size of the array, and index type qualifiers. |
| 359 | /// |
| 360 | /// By default, performs semantic analysis when building the array type. |
| 361 | /// Subclasses may override this routine to provide different behavior. |
| 362 | QualType RebuildConstantArrayWithoutExprType(QualType ElementType, |
| 363 | ArrayType::ArraySizeModifier SizeMod, |
| 364 | const llvm::APInt &Size, |
| 365 | unsigned IndexTypeQuals); |
| 366 | |
| 367 | /// \brief Build a new incomplete array type given the element type, size |
| 368 | /// modifier, and index type qualifiers. |
| 369 | /// |
| 370 | /// By default, performs semantic analysis when building the array type. |
| 371 | /// Subclasses may override this routine to provide different behavior. |
| 372 | QualType RebuildIncompleteArrayType(QualType ElementType, |
| 373 | ArrayType::ArraySizeModifier SizeMod, |
| 374 | unsigned IndexTypeQuals); |
| 375 | |
| 376 | /// \brief Build a new variable-length array type given the element type, |
| 377 | /// size modifier, size expression, and index type qualifiers. |
| 378 | /// |
| 379 | /// By default, performs semantic analysis when building the array type. |
| 380 | /// Subclasses may override this routine to provide different behavior. |
| 381 | QualType RebuildVariableArrayType(QualType ElementType, |
| 382 | ArrayType::ArraySizeModifier SizeMod, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 383 | ExprArg SizeExpr, |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 384 | unsigned IndexTypeQuals, |
| 385 | SourceRange BracketsRange); |
| 386 | |
| 387 | /// \brief Build a new dependent-sized array type given the element type, |
| 388 | /// size modifier, size expression, and index type qualifiers. |
| 389 | /// |
| 390 | /// By default, performs semantic analysis when building the array type. |
| 391 | /// Subclasses may override this routine to provide different behavior. |
| 392 | QualType RebuildDependentSizedArrayType(QualType ElementType, |
| 393 | ArrayType::ArraySizeModifier SizeMod, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 394 | ExprArg SizeExpr, |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 395 | unsigned IndexTypeQuals, |
| 396 | SourceRange BracketsRange); |
| 397 | |
| 398 | /// \brief Build a new vector type given the element type and |
| 399 | /// number of elements. |
| 400 | /// |
| 401 | /// By default, performs semantic analysis when building the vector type. |
| 402 | /// Subclasses may override this routine to provide different behavior. |
| 403 | QualType RebuildVectorType(QualType ElementType, unsigned NumElements); |
| 404 | |
| 405 | /// \brief Build a new extended vector type given the element type and |
| 406 | /// number of elements. |
| 407 | /// |
| 408 | /// By default, performs semantic analysis when building the vector type. |
| 409 | /// Subclasses may override this routine to provide different behavior. |
| 410 | QualType RebuildExtVectorType(QualType ElementType, unsigned NumElements, |
| 411 | SourceLocation AttributeLoc); |
| 412 | |
| 413 | /// \brief Build a new potentially dependently-sized extended vector type |
| 414 | /// given the element type and number of elements. |
| 415 | /// |
| 416 | /// By default, performs semantic analysis when building the vector type. |
| 417 | /// Subclasses may override this routine to provide different behavior. |
| 418 | QualType RebuildDependentSizedExtVectorType(QualType ElementType, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 419 | ExprArg SizeExpr, |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 420 | SourceLocation AttributeLoc); |
| 421 | |
| 422 | /// \brief Build a new function type. |
| 423 | /// |
| 424 | /// By default, performs semantic analysis when building the function type. |
| 425 | /// Subclasses may override this routine to provide different behavior. |
| 426 | QualType RebuildFunctionProtoType(QualType T, |
| 427 | QualType *ParamTypes, |
| 428 | unsigned NumParamTypes, |
| 429 | bool Variadic, unsigned Quals); |
| 430 | |
| 431 | /// \brief Build a new typedef type. |
| 432 | QualType RebuildTypedefType(TypedefDecl *Typedef) { |
| 433 | return SemaRef.Context.getTypeDeclType(Typedef); |
| 434 | } |
| 435 | |
| 436 | /// \brief Build a new class/struct/union type. |
| 437 | QualType RebuildRecordType(RecordDecl *Record) { |
| 438 | return SemaRef.Context.getTypeDeclType(Record); |
| 439 | } |
| 440 | |
| 441 | /// \brief Build a new Enum type. |
| 442 | QualType RebuildEnumType(EnumDecl *Enum) { |
| 443 | return SemaRef.Context.getTypeDeclType(Enum); |
| 444 | } |
John McCall | 7da2431 | 2009-09-05 00:15:47 +0000 | [diff] [blame] | 445 | |
| 446 | /// \brief Build a new elaborated type. |
| 447 | QualType RebuildElaboratedType(QualType T, ElaboratedType::TagKind Tag) { |
| 448 | return SemaRef.Context.getElaboratedType(T, Tag); |
| 449 | } |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 450 | |
| 451 | /// \brief Build a new typeof(expr) type. |
| 452 | /// |
| 453 | /// By default, performs semantic analysis when building the typeof type. |
| 454 | /// Subclasses may override this routine to provide different behavior. |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 455 | QualType RebuildTypeOfExprType(ExprArg Underlying); |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 456 | |
| 457 | /// \brief Build a new typeof(type) type. |
| 458 | /// |
| 459 | /// By default, builds a new TypeOfType with the given underlying type. |
| 460 | QualType RebuildTypeOfType(QualType Underlying); |
| 461 | |
| 462 | /// \brief Build a new C++0x decltype type. |
| 463 | /// |
| 464 | /// By default, performs semantic analysis when building the decltype type. |
| 465 | /// Subclasses may override this routine to provide different behavior. |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 466 | QualType RebuildDecltypeType(ExprArg Underlying); |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 467 | |
| 468 | /// \brief Build a new template specialization type. |
| 469 | /// |
| 470 | /// By default, performs semantic analysis when building the template |
| 471 | /// specialization type. Subclasses may override this routine to provide |
| 472 | /// different behavior. |
| 473 | QualType RebuildTemplateSpecializationType(TemplateName Template, |
| 474 | const TemplateArgument *Args, |
| 475 | unsigned NumArgs); |
| 476 | |
| 477 | /// \brief Build a new qualified name type. |
| 478 | /// |
| 479 | /// By default, builds a new QualifiedNameType type from the |
| 480 | /// nested-name-specifier and the named type. Subclasses may override |
| 481 | /// this routine to provide different behavior. |
| 482 | QualType RebuildQualifiedNameType(NestedNameSpecifier *NNS, QualType Named) { |
| 483 | return SemaRef.Context.getQualifiedNameType(NNS, Named); |
| 484 | } |
| 485 | |
| 486 | /// \brief Build a new typename type that refers to a template-id. |
| 487 | /// |
| 488 | /// By default, builds a new TypenameType type from the nested-name-specifier |
| 489 | /// and the given type. Subclasses may override this routine to provide |
| 490 | /// different behavior. |
| 491 | QualType RebuildTypenameType(NestedNameSpecifier *NNS, QualType T) { |
| 492 | if (NNS->isDependent()) |
| 493 | return SemaRef.Context.getTypenameType(NNS, |
| 494 | cast<TemplateSpecializationType>(T)); |
| 495 | |
| 496 | return SemaRef.Context.getQualifiedNameType(NNS, T); |
| 497 | } |
| 498 | |
| 499 | /// \brief Build a new typename type that refers to an identifier. |
| 500 | /// |
| 501 | /// By default, performs semantic analysis when building the typename type |
| 502 | /// (or qualified name type). Subclasses may override this routine to provide |
| 503 | /// different behavior. |
| 504 | QualType RebuildTypenameType(NestedNameSpecifier *NNS, |
| 505 | const IdentifierInfo *Id) { |
| 506 | return SemaRef.CheckTypenameType(NNS, *Id, |
| 507 | SourceRange(getDerived().getBaseLocation())); |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 508 | } |
| 509 | |
| 510 | /// \brief Build a new nested-name-specifier given the prefix and an |
| 511 | /// identifier that names the next step in the nested-name-specifier. |
| 512 | /// |
| 513 | /// By default, performs semantic analysis when building the new |
| 514 | /// nested-name-specifier. Subclasses may override this routine to provide |
| 515 | /// different behavior. |
| 516 | NestedNameSpecifier *RebuildNestedNameSpecifier(NestedNameSpecifier *Prefix, |
| 517 | SourceRange Range, |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 518 | IdentifierInfo &II, |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 519 | QualType ObjectType, |
| 520 | NamedDecl *FirstQualifierInScope); |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 521 | |
| 522 | /// \brief Build a new nested-name-specifier given the prefix and the |
| 523 | /// namespace named in the next step in the nested-name-specifier. |
| 524 | /// |
| 525 | /// By default, performs semantic analysis when building the new |
| 526 | /// nested-name-specifier. Subclasses may override this routine to provide |
| 527 | /// different behavior. |
| 528 | NestedNameSpecifier *RebuildNestedNameSpecifier(NestedNameSpecifier *Prefix, |
| 529 | SourceRange Range, |
| 530 | NamespaceDecl *NS); |
| 531 | |
| 532 | /// \brief Build a new nested-name-specifier given the prefix and the |
| 533 | /// type named in the next step in the nested-name-specifier. |
| 534 | /// |
| 535 | /// By default, performs semantic analysis when building the new |
| 536 | /// nested-name-specifier. Subclasses may override this routine to provide |
| 537 | /// different behavior. |
| 538 | NestedNameSpecifier *RebuildNestedNameSpecifier(NestedNameSpecifier *Prefix, |
| 539 | SourceRange Range, |
| 540 | bool TemplateKW, |
| 541 | QualType T); |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 542 | |
| 543 | /// \brief Build a new template name given a nested name specifier, a flag |
| 544 | /// indicating whether the "template" keyword was provided, and the template |
| 545 | /// that the template name refers to. |
| 546 | /// |
| 547 | /// By default, builds the new template name directly. Subclasses may override |
| 548 | /// this routine to provide different behavior. |
| 549 | TemplateName RebuildTemplateName(NestedNameSpecifier *Qualifier, |
| 550 | bool TemplateKW, |
| 551 | TemplateDecl *Template); |
| 552 | |
| 553 | /// \brief Build a new template name given a nested name specifier, a flag |
| 554 | /// indicating whether the "template" keyword was provided, and a set of |
| 555 | /// overloaded function templates. |
| 556 | /// |
| 557 | /// By default, builds the new template name directly. Subclasses may override |
| 558 | /// this routine to provide different behavior. |
| 559 | TemplateName RebuildTemplateName(NestedNameSpecifier *Qualifier, |
| 560 | bool TemplateKW, |
| 561 | OverloadedFunctionDecl *Ovl); |
| 562 | |
| 563 | /// \brief Build a new template name given a nested name specifier and the |
| 564 | /// name that is referred to as a template. |
| 565 | /// |
| 566 | /// By default, performs semantic analysis to determine whether the name can |
| 567 | /// be resolved to a specific template, then builds the appropriate kind of |
| 568 | /// template name. Subclasses may override this routine to provide different |
| 569 | /// behavior. |
| 570 | TemplateName RebuildTemplateName(NestedNameSpecifier *Qualifier, |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 571 | const IdentifierInfo &II, |
| 572 | QualType ObjectType); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 573 | |
| 574 | |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 575 | /// \brief Build a new compound statement. |
| 576 | /// |
| 577 | /// By default, performs semantic analysis to build the new statement. |
| 578 | /// Subclasses may override this routine to provide different behavior. |
| 579 | OwningStmtResult RebuildCompoundStmt(SourceLocation LBraceLoc, |
| 580 | MultiStmtArg Statements, |
| 581 | SourceLocation RBraceLoc, |
| 582 | bool IsStmtExpr) { |
| 583 | return getSema().ActOnCompoundStmt(LBraceLoc, RBraceLoc, move(Statements), |
| 584 | IsStmtExpr); |
| 585 | } |
| 586 | |
| 587 | /// \brief Build a new case statement. |
| 588 | /// |
| 589 | /// By default, performs semantic analysis to build the new statement. |
| 590 | /// Subclasses may override this routine to provide different behavior. |
| 591 | OwningStmtResult RebuildCaseStmt(SourceLocation CaseLoc, |
| 592 | ExprArg LHS, |
| 593 | SourceLocation EllipsisLoc, |
| 594 | ExprArg RHS, |
| 595 | SourceLocation ColonLoc) { |
| 596 | return getSema().ActOnCaseStmt(CaseLoc, move(LHS), EllipsisLoc, move(RHS), |
| 597 | ColonLoc); |
| 598 | } |
| 599 | |
| 600 | /// \brief Attach the body to a new case statement. |
| 601 | /// |
| 602 | /// By default, performs semantic analysis to build the new statement. |
| 603 | /// Subclasses may override this routine to provide different behavior. |
| 604 | OwningStmtResult RebuildCaseStmtBody(StmtArg S, StmtArg Body) { |
| 605 | getSema().ActOnCaseStmtBody(S.get(), move(Body)); |
| 606 | return move(S); |
| 607 | } |
| 608 | |
| 609 | /// \brief Build a new default statement. |
| 610 | /// |
| 611 | /// By default, performs semantic analysis to build the new statement. |
| 612 | /// Subclasses may override this routine to provide different behavior. |
| 613 | OwningStmtResult RebuildDefaultStmt(SourceLocation DefaultLoc, |
| 614 | SourceLocation ColonLoc, |
| 615 | StmtArg SubStmt) { |
| 616 | return getSema().ActOnDefaultStmt(DefaultLoc, ColonLoc, move(SubStmt), |
| 617 | /*CurScope=*/0); |
| 618 | } |
| 619 | |
| 620 | /// \brief Build a new label statement. |
| 621 | /// |
| 622 | /// By default, performs semantic analysis to build the new statement. |
| 623 | /// Subclasses may override this routine to provide different behavior. |
| 624 | OwningStmtResult RebuildLabelStmt(SourceLocation IdentLoc, |
| 625 | IdentifierInfo *Id, |
| 626 | SourceLocation ColonLoc, |
| 627 | StmtArg SubStmt) { |
| 628 | return SemaRef.ActOnLabelStmt(IdentLoc, Id, ColonLoc, move(SubStmt)); |
| 629 | } |
| 630 | |
| 631 | /// \brief Build a new "if" statement. |
| 632 | /// |
| 633 | /// By default, performs semantic analysis to build the new statement. |
| 634 | /// Subclasses may override this routine to provide different behavior. |
| 635 | OwningStmtResult RebuildIfStmt(SourceLocation IfLoc, Sema::FullExprArg Cond, |
| 636 | StmtArg Then, SourceLocation ElseLoc, |
| 637 | StmtArg Else) { |
| 638 | return getSema().ActOnIfStmt(IfLoc, Cond, move(Then), ElseLoc, move(Else)); |
| 639 | } |
| 640 | |
| 641 | /// \brief Start building a new switch statement. |
| 642 | /// |
| 643 | /// By default, performs semantic analysis to build the new statement. |
| 644 | /// Subclasses may override this routine to provide different behavior. |
| 645 | OwningStmtResult RebuildSwitchStmtStart(ExprArg Cond) { |
| 646 | return getSema().ActOnStartOfSwitchStmt(move(Cond)); |
| 647 | } |
| 648 | |
| 649 | /// \brief Attach the body to the switch statement. |
| 650 | /// |
| 651 | /// By default, performs semantic analysis to build the new statement. |
| 652 | /// Subclasses may override this routine to provide different behavior. |
| 653 | OwningStmtResult RebuildSwitchStmtBody(SourceLocation SwitchLoc, |
| 654 | StmtArg Switch, StmtArg Body) { |
| 655 | return getSema().ActOnFinishSwitchStmt(SwitchLoc, move(Switch), |
| 656 | move(Body)); |
| 657 | } |
| 658 | |
| 659 | /// \brief Build a new while statement. |
| 660 | /// |
| 661 | /// By default, performs semantic analysis to build the new statement. |
| 662 | /// Subclasses may override this routine to provide different behavior. |
| 663 | OwningStmtResult RebuildWhileStmt(SourceLocation WhileLoc, |
| 664 | Sema::FullExprArg Cond, |
| 665 | StmtArg Body) { |
| 666 | return getSema().ActOnWhileStmt(WhileLoc, Cond, move(Body)); |
| 667 | } |
| 668 | |
| 669 | /// \brief Build a new do-while statement. |
| 670 | /// |
| 671 | /// By default, performs semantic analysis to build the new statement. |
| 672 | /// Subclasses may override this routine to provide different behavior. |
| 673 | OwningStmtResult RebuildDoStmt(SourceLocation DoLoc, StmtArg Body, |
| 674 | SourceLocation WhileLoc, |
| 675 | SourceLocation LParenLoc, |
| 676 | ExprArg Cond, |
| 677 | SourceLocation RParenLoc) { |
| 678 | return getSema().ActOnDoStmt(DoLoc, move(Body), WhileLoc, LParenLoc, |
| 679 | move(Cond), RParenLoc); |
| 680 | } |
| 681 | |
| 682 | /// \brief Build a new for statement. |
| 683 | /// |
| 684 | /// By default, performs semantic analysis to build the new statement. |
| 685 | /// Subclasses may override this routine to provide different behavior. |
| 686 | OwningStmtResult RebuildForStmt(SourceLocation ForLoc, |
| 687 | SourceLocation LParenLoc, |
| 688 | StmtArg Init, ExprArg Cond, ExprArg Inc, |
| 689 | SourceLocation RParenLoc, StmtArg Body) { |
| 690 | return getSema().ActOnForStmt(ForLoc, LParenLoc, move(Init), move(Cond), |
| 691 | move(Inc), RParenLoc, move(Body)); |
| 692 | } |
| 693 | |
| 694 | /// \brief Build a new goto statement. |
| 695 | /// |
| 696 | /// By default, performs semantic analysis to build the new statement. |
| 697 | /// Subclasses may override this routine to provide different behavior. |
| 698 | OwningStmtResult RebuildGotoStmt(SourceLocation GotoLoc, |
| 699 | SourceLocation LabelLoc, |
| 700 | LabelStmt *Label) { |
| 701 | return getSema().ActOnGotoStmt(GotoLoc, LabelLoc, Label->getID()); |
| 702 | } |
| 703 | |
| 704 | /// \brief Build a new indirect goto statement. |
| 705 | /// |
| 706 | /// By default, performs semantic analysis to build the new statement. |
| 707 | /// Subclasses may override this routine to provide different behavior. |
| 708 | OwningStmtResult RebuildIndirectGotoStmt(SourceLocation GotoLoc, |
| 709 | SourceLocation StarLoc, |
| 710 | ExprArg Target) { |
| 711 | return getSema().ActOnIndirectGotoStmt(GotoLoc, StarLoc, move(Target)); |
| 712 | } |
| 713 | |
| 714 | /// \brief Build a new return statement. |
| 715 | /// |
| 716 | /// By default, performs semantic analysis to build the new statement. |
| 717 | /// Subclasses may override this routine to provide different behavior. |
| 718 | OwningStmtResult RebuildReturnStmt(SourceLocation ReturnLoc, |
| 719 | ExprArg Result) { |
| 720 | |
| 721 | return getSema().ActOnReturnStmt(ReturnLoc, move(Result)); |
| 722 | } |
| 723 | |
| 724 | /// \brief Build a new declaration statement. |
| 725 | /// |
| 726 | /// By default, performs semantic analysis to build the new statement. |
| 727 | /// Subclasses may override this routine to provide different behavior. |
| 728 | OwningStmtResult RebuildDeclStmt(Decl **Decls, unsigned NumDecls, |
| 729 | SourceLocation StartLoc, |
| 730 | SourceLocation EndLoc) { |
| 731 | return getSema().Owned( |
| 732 | new (getSema().Context) DeclStmt( |
| 733 | DeclGroupRef::Create(getSema().Context, |
| 734 | Decls, NumDecls), |
| 735 | StartLoc, EndLoc)); |
| 736 | } |
| 737 | |
| 738 | /// \brief Build a new C++ exception declaration. |
| 739 | /// |
| 740 | /// By default, performs semantic analysis to build the new decaration. |
| 741 | /// Subclasses may override this routine to provide different behavior. |
| 742 | VarDecl *RebuildExceptionDecl(VarDecl *ExceptionDecl, QualType T, |
| 743 | DeclaratorInfo *Declarator, |
| 744 | IdentifierInfo *Name, |
| 745 | SourceLocation Loc, |
| 746 | SourceRange TypeRange) { |
| 747 | return getSema().BuildExceptionDeclaration(0, T, Declarator, Name, Loc, |
| 748 | TypeRange); |
| 749 | } |
| 750 | |
| 751 | /// \brief Build a new C++ catch statement. |
| 752 | /// |
| 753 | /// By default, performs semantic analysis to build the new statement. |
| 754 | /// Subclasses may override this routine to provide different behavior. |
| 755 | OwningStmtResult RebuildCXXCatchStmt(SourceLocation CatchLoc, |
| 756 | VarDecl *ExceptionDecl, |
| 757 | StmtArg Handler) { |
| 758 | return getSema().Owned( |
| 759 | new (getSema().Context) CXXCatchStmt(CatchLoc, ExceptionDecl, |
| 760 | Handler.takeAs<Stmt>())); |
| 761 | } |
| 762 | |
| 763 | /// \brief Build a new C++ try statement. |
| 764 | /// |
| 765 | /// By default, performs semantic analysis to build the new statement. |
| 766 | /// Subclasses may override this routine to provide different behavior. |
| 767 | OwningStmtResult RebuildCXXTryStmt(SourceLocation TryLoc, |
| 768 | StmtArg TryBlock, |
| 769 | MultiStmtArg Handlers) { |
| 770 | return getSema().ActOnCXXTryBlock(TryLoc, move(TryBlock), move(Handlers)); |
| 771 | } |
| 772 | |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 773 | /// \brief Build a new expression that references a declaration. |
| 774 | /// |
| 775 | /// By default, performs semantic analysis to build the new expression. |
| 776 | /// Subclasses may override this routine to provide different behavior. |
| 777 | OwningExprResult RebuildDeclRefExpr(NamedDecl *ND, SourceLocation Loc) { |
| 778 | return getSema().BuildDeclarationNameExpr(Loc, ND, |
| 779 | /*FIXME:*/false, |
| 780 | /*SS=*/0, |
| 781 | /*FIXME:*/false); |
| 782 | } |
| 783 | |
| 784 | /// \brief Build a new expression in parentheses. |
| 785 | /// |
| 786 | /// By default, performs semantic analysis to build the new expression. |
| 787 | /// Subclasses may override this routine to provide different behavior. |
| 788 | OwningExprResult RebuildParenExpr(ExprArg SubExpr, SourceLocation LParen, |
| 789 | SourceLocation RParen) { |
| 790 | return getSema().ActOnParenExpr(LParen, RParen, move(SubExpr)); |
| 791 | } |
| 792 | |
Douglas Gregor | a71d819 | 2009-09-04 17:36:40 +0000 | [diff] [blame] | 793 | /// \brief Build a new pseudo-destructor expression. |
| 794 | /// |
| 795 | /// By default, performs semantic analysis to build the new expression. |
| 796 | /// Subclasses may override this routine to provide different behavior. |
| 797 | OwningExprResult RebuildCXXPseudoDestructorExpr(ExprArg Base, |
| 798 | SourceLocation OperatorLoc, |
| 799 | bool isArrow, |
| 800 | SourceLocation DestroyedTypeLoc, |
| 801 | QualType DestroyedType, |
| 802 | NestedNameSpecifier *Qualifier, |
| 803 | SourceRange QualifierRange) { |
| 804 | CXXScopeSpec SS; |
| 805 | if (Qualifier) { |
| 806 | SS.setRange(QualifierRange); |
| 807 | SS.setScopeRep(Qualifier); |
| 808 | } |
| 809 | |
| 810 | DeclarationName Name |
| 811 | = SemaRef.Context.DeclarationNames.getCXXDestructorName( |
| 812 | SemaRef.Context.getCanonicalType(DestroyedType)); |
| 813 | |
| 814 | return getSema().BuildMemberReferenceExpr(/*Scope=*/0, move(Base), |
| 815 | OperatorLoc, |
| 816 | isArrow? tok::arrow : tok::period, |
| 817 | DestroyedTypeLoc, |
| 818 | Name, |
| 819 | Sema::DeclPtrTy::make((Decl *)0), |
| 820 | &SS); |
| 821 | } |
| 822 | |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 823 | /// \brief Build a new unary operator expression. |
| 824 | /// |
| 825 | /// By default, performs semantic analysis to build the new expression. |
| 826 | /// Subclasses may override this routine to provide different behavior. |
| 827 | OwningExprResult RebuildUnaryOperator(SourceLocation OpLoc, |
| 828 | UnaryOperator::Opcode Opc, |
| 829 | ExprArg SubExpr) { |
| 830 | return getSema().CreateBuiltinUnaryOp(OpLoc, Opc, move(SubExpr)); |
| 831 | } |
| 832 | |
| 833 | /// \brief Build a new sizeof or alignof expression with a type argument. |
| 834 | /// |
| 835 | /// By default, performs semantic analysis to build the new expression. |
| 836 | /// Subclasses may override this routine to provide different behavior. |
| 837 | OwningExprResult RebuildSizeOfAlignOf(QualType T, SourceLocation OpLoc, |
| 838 | bool isSizeOf, SourceRange R) { |
| 839 | return getSema().CreateSizeOfAlignOfExpr(T, OpLoc, isSizeOf, R); |
| 840 | } |
| 841 | |
| 842 | /// \brief Build a new sizeof or alignof expression with an expression |
| 843 | /// argument. |
| 844 | /// |
| 845 | /// By default, performs semantic analysis to build the new expression. |
| 846 | /// Subclasses may override this routine to provide different behavior. |
| 847 | OwningExprResult RebuildSizeOfAlignOf(ExprArg SubExpr, SourceLocation OpLoc, |
| 848 | bool isSizeOf, SourceRange R) { |
| 849 | OwningExprResult Result |
| 850 | = getSema().CreateSizeOfAlignOfExpr((Expr *)SubExpr.get(), |
| 851 | OpLoc, isSizeOf, R); |
| 852 | if (Result.isInvalid()) |
| 853 | return getSema().ExprError(); |
| 854 | |
| 855 | SubExpr.release(); |
| 856 | return move(Result); |
| 857 | } |
| 858 | |
| 859 | /// \brief Build a new array subscript expression. |
| 860 | /// |
| 861 | /// By default, performs semantic analysis to build the new expression. |
| 862 | /// Subclasses may override this routine to provide different behavior. |
| 863 | OwningExprResult RebuildArraySubscriptExpr(ExprArg LHS, |
| 864 | SourceLocation LBracketLoc, |
| 865 | ExprArg RHS, |
| 866 | SourceLocation RBracketLoc) { |
| 867 | return getSema().ActOnArraySubscriptExpr(/*Scope=*/0, move(LHS), |
| 868 | LBracketLoc, move(RHS), |
| 869 | RBracketLoc); |
| 870 | } |
| 871 | |
| 872 | /// \brief Build a new call expression. |
| 873 | /// |
| 874 | /// By default, performs semantic analysis to build the new expression. |
| 875 | /// Subclasses may override this routine to provide different behavior. |
| 876 | OwningExprResult RebuildCallExpr(ExprArg Callee, SourceLocation LParenLoc, |
| 877 | MultiExprArg Args, |
| 878 | SourceLocation *CommaLocs, |
| 879 | SourceLocation RParenLoc) { |
| 880 | return getSema().ActOnCallExpr(/*Scope=*/0, move(Callee), LParenLoc, |
| 881 | move(Args), CommaLocs, RParenLoc); |
| 882 | } |
| 883 | |
| 884 | /// \brief Build a new member access expression. |
| 885 | /// |
| 886 | /// By default, performs semantic analysis to build the new expression. |
| 887 | /// Subclasses may override this routine to provide different behavior. |
| 888 | OwningExprResult RebuildMemberExpr(ExprArg Base, SourceLocation OpLoc, |
Douglas Gregor | 83f6faf | 2009-08-31 23:41:50 +0000 | [diff] [blame] | 889 | bool isArrow, |
| 890 | NestedNameSpecifier *Qualifier, |
| 891 | SourceRange QualifierRange, |
| 892 | SourceLocation MemberLoc, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 893 | NamedDecl *Member) { |
Anders Carlsson | d8b285f | 2009-09-01 04:26:58 +0000 | [diff] [blame] | 894 | if (!Member->getDeclName()) { |
| 895 | // We have a reference to an unnamed field. |
| 896 | assert(!Qualifier && "Can't have an unnamed field with a qualifier!"); |
| 897 | |
| 898 | MemberExpr *ME = |
| 899 | new (getSema().Context) MemberExpr(Base.takeAs<Expr>(), isArrow, |
| 900 | Member, MemberLoc, |
| 901 | cast<FieldDecl>(Member)->getType()); |
| 902 | return getSema().Owned(ME); |
| 903 | } |
| 904 | |
Douglas Gregor | 83f6faf | 2009-08-31 23:41:50 +0000 | [diff] [blame] | 905 | CXXScopeSpec SS; |
| 906 | if (Qualifier) { |
| 907 | SS.setRange(QualifierRange); |
| 908 | SS.setScopeRep(Qualifier); |
| 909 | } |
| 910 | |
Douglas Gregor | 017dde5 | 2009-08-31 20:00:26 +0000 | [diff] [blame] | 911 | return getSema().BuildMemberReferenceExpr(/*Scope=*/0, move(Base), OpLoc, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 912 | isArrow? tok::arrow : tok::period, |
| 913 | MemberLoc, |
Douglas Gregor | 017dde5 | 2009-08-31 20:00:26 +0000 | [diff] [blame] | 914 | Member->getDeclName(), |
Douglas Gregor | 83f6faf | 2009-08-31 23:41:50 +0000 | [diff] [blame] | 915 | /*FIXME?*/Sema::DeclPtrTy::make((Decl*)0), |
| 916 | &SS); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | /// \brief Build a new binary operator expression. |
| 920 | /// |
| 921 | /// By default, performs semantic analysis to build the new expression. |
| 922 | /// Subclasses may override this routine to provide different behavior. |
| 923 | OwningExprResult RebuildBinaryOperator(SourceLocation OpLoc, |
| 924 | BinaryOperator::Opcode Opc, |
| 925 | ExprArg LHS, ExprArg RHS) { |
| 926 | OwningExprResult Result |
| 927 | = getSema().CreateBuiltinBinOp(OpLoc, Opc, (Expr *)LHS.get(), |
| 928 | (Expr *)RHS.get()); |
| 929 | if (Result.isInvalid()) |
| 930 | return SemaRef.ExprError(); |
| 931 | |
| 932 | LHS.release(); |
| 933 | RHS.release(); |
| 934 | return move(Result); |
| 935 | } |
| 936 | |
| 937 | /// \brief Build a new conditional operator expression. |
| 938 | /// |
| 939 | /// By default, performs semantic analysis to build the new expression. |
| 940 | /// Subclasses may override this routine to provide different behavior. |
| 941 | OwningExprResult RebuildConditionalOperator(ExprArg Cond, |
| 942 | SourceLocation QuestionLoc, |
| 943 | ExprArg LHS, |
| 944 | SourceLocation ColonLoc, |
| 945 | ExprArg RHS) { |
| 946 | return getSema().ActOnConditionalOp(QuestionLoc, ColonLoc, move(Cond), |
| 947 | move(LHS), move(RHS)); |
| 948 | } |
| 949 | |
| 950 | /// \brief Build a new implicit cast expression. |
| 951 | /// |
| 952 | /// By default, builds a new implicit cast without any semantic analysis. |
| 953 | /// Subclasses may override this routine to provide different behavior. |
| 954 | OwningExprResult RebuildImplicitCastExpr(QualType T, CastExpr::CastKind Kind, |
| 955 | ExprArg SubExpr, bool isLvalue) { |
| 956 | ImplicitCastExpr *ICE |
| 957 | = new (getSema().Context) ImplicitCastExpr(T, Kind, |
| 958 | (Expr *)SubExpr.release(), |
| 959 | isLvalue); |
| 960 | return getSema().Owned(ICE); |
| 961 | } |
| 962 | |
| 963 | /// \brief Build a new C-style cast expression. |
| 964 | /// |
| 965 | /// By default, performs semantic analysis to build the new expression. |
| 966 | /// Subclasses may override this routine to provide different behavior. |
| 967 | OwningExprResult RebuildCStyleCaseExpr(SourceLocation LParenLoc, |
| 968 | QualType ExplicitTy, |
| 969 | SourceLocation RParenLoc, |
| 970 | ExprArg SubExpr) { |
| 971 | return getSema().ActOnCastExpr(/*Scope=*/0, |
| 972 | LParenLoc, |
| 973 | ExplicitTy.getAsOpaquePtr(), |
| 974 | RParenLoc, |
| 975 | move(SubExpr)); |
| 976 | } |
| 977 | |
| 978 | /// \brief Build a new compound literal expression. |
| 979 | /// |
| 980 | /// By default, performs semantic analysis to build the new expression. |
| 981 | /// Subclasses may override this routine to provide different behavior. |
| 982 | OwningExprResult RebuildCompoundLiteralExpr(SourceLocation LParenLoc, |
| 983 | QualType T, |
| 984 | SourceLocation RParenLoc, |
| 985 | ExprArg Init) { |
| 986 | return getSema().ActOnCompoundLiteral(LParenLoc, T.getAsOpaquePtr(), |
| 987 | RParenLoc, move(Init)); |
| 988 | } |
| 989 | |
| 990 | /// \brief Build a new extended vector element access expression. |
| 991 | /// |
| 992 | /// By default, performs semantic analysis to build the new expression. |
| 993 | /// Subclasses may override this routine to provide different behavior. |
| 994 | OwningExprResult RebuildExtVectorElementExpr(ExprArg Base, |
| 995 | SourceLocation OpLoc, |
| 996 | SourceLocation AccessorLoc, |
| 997 | IdentifierInfo &Accessor) { |
| 998 | return getSema().ActOnMemberReferenceExpr(/*Scope=*/0, move(Base), OpLoc, |
| 999 | tok::period, AccessorLoc, |
| 1000 | Accessor, |
| 1001 | /*FIXME?*/Sema::DeclPtrTy::make((Decl*)0)); |
| 1002 | } |
| 1003 | |
| 1004 | /// \brief Build a new initializer list expression. |
| 1005 | /// |
| 1006 | /// By default, performs semantic analysis to build the new expression. |
| 1007 | /// Subclasses may override this routine to provide different behavior. |
| 1008 | OwningExprResult RebuildInitList(SourceLocation LBraceLoc, |
| 1009 | MultiExprArg Inits, |
| 1010 | SourceLocation RBraceLoc) { |
| 1011 | return SemaRef.ActOnInitList(LBraceLoc, move(Inits), RBraceLoc); |
| 1012 | } |
| 1013 | |
| 1014 | /// \brief Build a new designated initializer expression. |
| 1015 | /// |
| 1016 | /// By default, performs semantic analysis to build the new expression. |
| 1017 | /// Subclasses may override this routine to provide different behavior. |
| 1018 | OwningExprResult RebuildDesignatedInitExpr(Designation &Desig, |
| 1019 | MultiExprArg ArrayExprs, |
| 1020 | SourceLocation EqualOrColonLoc, |
| 1021 | bool GNUSyntax, |
| 1022 | ExprArg Init) { |
| 1023 | OwningExprResult Result |
| 1024 | = SemaRef.ActOnDesignatedInitializer(Desig, EqualOrColonLoc, GNUSyntax, |
| 1025 | move(Init)); |
| 1026 | if (Result.isInvalid()) |
| 1027 | return SemaRef.ExprError(); |
| 1028 | |
| 1029 | ArrayExprs.release(); |
| 1030 | return move(Result); |
| 1031 | } |
| 1032 | |
| 1033 | /// \brief Build a new value-initialized expression. |
| 1034 | /// |
| 1035 | /// By default, builds the implicit value initialization without performing |
| 1036 | /// any semantic analysis. Subclasses may override this routine to provide |
| 1037 | /// different behavior. |
| 1038 | OwningExprResult RebuildImplicitValueInitExpr(QualType T) { |
| 1039 | return SemaRef.Owned(new (SemaRef.Context) ImplicitValueInitExpr(T)); |
| 1040 | } |
| 1041 | |
| 1042 | /// \brief Build a new \c va_arg expression. |
| 1043 | /// |
| 1044 | /// By default, performs semantic analysis to build the new expression. |
| 1045 | /// Subclasses may override this routine to provide different behavior. |
| 1046 | OwningExprResult RebuildVAArgExpr(SourceLocation BuiltinLoc, ExprArg SubExpr, |
| 1047 | QualType T, SourceLocation RParenLoc) { |
| 1048 | return getSema().ActOnVAArg(BuiltinLoc, move(SubExpr), T.getAsOpaquePtr(), |
| 1049 | RParenLoc); |
| 1050 | } |
| 1051 | |
| 1052 | /// \brief Build a new expression list in parentheses. |
| 1053 | /// |
| 1054 | /// By default, performs semantic analysis to build the new expression. |
| 1055 | /// Subclasses may override this routine to provide different behavior. |
| 1056 | OwningExprResult RebuildParenListExpr(SourceLocation LParenLoc, |
| 1057 | MultiExprArg SubExprs, |
| 1058 | SourceLocation RParenLoc) { |
| 1059 | return getSema().ActOnParenListExpr(LParenLoc, RParenLoc, move(SubExprs)); |
| 1060 | } |
| 1061 | |
| 1062 | /// \brief Build a new address-of-label expression. |
| 1063 | /// |
| 1064 | /// By default, performs semantic analysis, using the name of the label |
| 1065 | /// rather than attempting to map the label statement itself. |
| 1066 | /// Subclasses may override this routine to provide different behavior. |
| 1067 | OwningExprResult RebuildAddrLabelExpr(SourceLocation AmpAmpLoc, |
| 1068 | SourceLocation LabelLoc, |
| 1069 | LabelStmt *Label) { |
| 1070 | return getSema().ActOnAddrLabel(AmpAmpLoc, LabelLoc, Label->getID()); |
| 1071 | } |
| 1072 | |
| 1073 | /// \brief Build a new GNU statement expression. |
| 1074 | /// |
| 1075 | /// By default, performs semantic analysis to build the new expression. |
| 1076 | /// Subclasses may override this routine to provide different behavior. |
| 1077 | OwningExprResult RebuildStmtExpr(SourceLocation LParenLoc, |
| 1078 | StmtArg SubStmt, |
| 1079 | SourceLocation RParenLoc) { |
| 1080 | return getSema().ActOnStmtExpr(LParenLoc, move(SubStmt), RParenLoc); |
| 1081 | } |
| 1082 | |
| 1083 | /// \brief Build a new __builtin_types_compatible_p expression. |
| 1084 | /// |
| 1085 | /// By default, performs semantic analysis to build the new expression. |
| 1086 | /// Subclasses may override this routine to provide different behavior. |
| 1087 | OwningExprResult RebuildTypesCompatibleExpr(SourceLocation BuiltinLoc, |
| 1088 | QualType T1, QualType T2, |
| 1089 | SourceLocation RParenLoc) { |
| 1090 | return getSema().ActOnTypesCompatibleExpr(BuiltinLoc, |
| 1091 | T1.getAsOpaquePtr(), |
| 1092 | T2.getAsOpaquePtr(), |
| 1093 | RParenLoc); |
| 1094 | } |
| 1095 | |
| 1096 | /// \brief Build a new __builtin_choose_expr expression. |
| 1097 | /// |
| 1098 | /// By default, performs semantic analysis to build the new expression. |
| 1099 | /// Subclasses may override this routine to provide different behavior. |
| 1100 | OwningExprResult RebuildChooseExpr(SourceLocation BuiltinLoc, |
| 1101 | ExprArg Cond, ExprArg LHS, ExprArg RHS, |
| 1102 | SourceLocation RParenLoc) { |
| 1103 | return SemaRef.ActOnChooseExpr(BuiltinLoc, |
| 1104 | move(Cond), move(LHS), move(RHS), |
| 1105 | RParenLoc); |
| 1106 | } |
| 1107 | |
| 1108 | /// \brief Build a new overloaded operator call expression. |
| 1109 | /// |
| 1110 | /// By default, performs semantic analysis to build the new expression. |
| 1111 | /// The semantic analysis provides the behavior of template instantiation, |
| 1112 | /// copying with transformations that turn what looks like an overloaded |
| 1113 | /// operator call into a use of a builtin operator, performing |
| 1114 | /// argument-dependent lookup, etc. Subclasses may override this routine to |
| 1115 | /// provide different behavior. |
| 1116 | OwningExprResult RebuildCXXOperatorCallExpr(OverloadedOperatorKind Op, |
| 1117 | SourceLocation OpLoc, |
| 1118 | ExprArg Callee, |
| 1119 | ExprArg First, |
| 1120 | ExprArg Second); |
| 1121 | |
| 1122 | /// \brief Build a new C++ "named" cast expression, such as static_cast or |
| 1123 | /// reinterpret_cast. |
| 1124 | /// |
| 1125 | /// By default, this routine dispatches to one of the more-specific routines |
| 1126 | /// for a particular named case, e.g., RebuildCXXStaticCastExpr(). |
| 1127 | /// Subclasses may override this routine to provide different behavior. |
| 1128 | OwningExprResult RebuildCXXNamedCastExpr(SourceLocation OpLoc, |
| 1129 | Stmt::StmtClass Class, |
| 1130 | SourceLocation LAngleLoc, |
| 1131 | QualType T, |
| 1132 | SourceLocation RAngleLoc, |
| 1133 | SourceLocation LParenLoc, |
| 1134 | ExprArg SubExpr, |
| 1135 | SourceLocation RParenLoc) { |
| 1136 | switch (Class) { |
| 1137 | case Stmt::CXXStaticCastExprClass: |
| 1138 | return getDerived().RebuildCXXStaticCastExpr(OpLoc, LAngleLoc, T, |
| 1139 | RAngleLoc, LParenLoc, |
| 1140 | move(SubExpr), RParenLoc); |
| 1141 | |
| 1142 | case Stmt::CXXDynamicCastExprClass: |
| 1143 | return getDerived().RebuildCXXDynamicCastExpr(OpLoc, LAngleLoc, T, |
| 1144 | RAngleLoc, LParenLoc, |
| 1145 | move(SubExpr), RParenLoc); |
| 1146 | |
| 1147 | case Stmt::CXXReinterpretCastExprClass: |
| 1148 | return getDerived().RebuildCXXReinterpretCastExpr(OpLoc, LAngleLoc, T, |
| 1149 | RAngleLoc, LParenLoc, |
| 1150 | move(SubExpr), |
| 1151 | RParenLoc); |
| 1152 | |
| 1153 | case Stmt::CXXConstCastExprClass: |
| 1154 | return getDerived().RebuildCXXConstCastExpr(OpLoc, LAngleLoc, T, |
| 1155 | RAngleLoc, LParenLoc, |
| 1156 | move(SubExpr), RParenLoc); |
| 1157 | |
| 1158 | default: |
| 1159 | assert(false && "Invalid C++ named cast"); |
| 1160 | break; |
| 1161 | } |
| 1162 | |
| 1163 | return getSema().ExprError(); |
| 1164 | } |
| 1165 | |
| 1166 | /// \brief Build a new C++ static_cast expression. |
| 1167 | /// |
| 1168 | /// By default, performs semantic analysis to build the new expression. |
| 1169 | /// Subclasses may override this routine to provide different behavior. |
| 1170 | OwningExprResult RebuildCXXStaticCastExpr(SourceLocation OpLoc, |
| 1171 | SourceLocation LAngleLoc, |
| 1172 | QualType T, |
| 1173 | SourceLocation RAngleLoc, |
| 1174 | SourceLocation LParenLoc, |
| 1175 | ExprArg SubExpr, |
| 1176 | SourceLocation RParenLoc) { |
| 1177 | return getSema().ActOnCXXNamedCast(OpLoc, tok::kw_static_cast, |
| 1178 | LAngleLoc, T.getAsOpaquePtr(), RAngleLoc, |
| 1179 | LParenLoc, move(SubExpr), RParenLoc); |
| 1180 | } |
| 1181 | |
| 1182 | /// \brief Build a new C++ dynamic_cast expression. |
| 1183 | /// |
| 1184 | /// By default, performs semantic analysis to build the new expression. |
| 1185 | /// Subclasses may override this routine to provide different behavior. |
| 1186 | OwningExprResult RebuildCXXDynamicCastExpr(SourceLocation OpLoc, |
| 1187 | SourceLocation LAngleLoc, |
| 1188 | QualType T, |
| 1189 | SourceLocation RAngleLoc, |
| 1190 | SourceLocation LParenLoc, |
| 1191 | ExprArg SubExpr, |
| 1192 | SourceLocation RParenLoc) { |
| 1193 | return getSema().ActOnCXXNamedCast(OpLoc, tok::kw_dynamic_cast, |
| 1194 | LAngleLoc, T.getAsOpaquePtr(), RAngleLoc, |
| 1195 | LParenLoc, move(SubExpr), RParenLoc); |
| 1196 | } |
| 1197 | |
| 1198 | /// \brief Build a new C++ reinterpret_cast expression. |
| 1199 | /// |
| 1200 | /// By default, performs semantic analysis to build the new expression. |
| 1201 | /// Subclasses may override this routine to provide different behavior. |
| 1202 | OwningExprResult RebuildCXXReinterpretCastExpr(SourceLocation OpLoc, |
| 1203 | SourceLocation LAngleLoc, |
| 1204 | QualType T, |
| 1205 | SourceLocation RAngleLoc, |
| 1206 | SourceLocation LParenLoc, |
| 1207 | ExprArg SubExpr, |
| 1208 | SourceLocation RParenLoc) { |
| 1209 | return getSema().ActOnCXXNamedCast(OpLoc, tok::kw_reinterpret_cast, |
| 1210 | LAngleLoc, T.getAsOpaquePtr(), RAngleLoc, |
| 1211 | LParenLoc, move(SubExpr), RParenLoc); |
| 1212 | } |
| 1213 | |
| 1214 | /// \brief Build a new C++ const_cast expression. |
| 1215 | /// |
| 1216 | /// By default, performs semantic analysis to build the new expression. |
| 1217 | /// Subclasses may override this routine to provide different behavior. |
| 1218 | OwningExprResult RebuildCXXConstCastExpr(SourceLocation OpLoc, |
| 1219 | SourceLocation LAngleLoc, |
| 1220 | QualType T, |
| 1221 | SourceLocation RAngleLoc, |
| 1222 | SourceLocation LParenLoc, |
| 1223 | ExprArg SubExpr, |
| 1224 | SourceLocation RParenLoc) { |
| 1225 | return getSema().ActOnCXXNamedCast(OpLoc, tok::kw_const_cast, |
| 1226 | LAngleLoc, T.getAsOpaquePtr(), RAngleLoc, |
| 1227 | LParenLoc, move(SubExpr), RParenLoc); |
| 1228 | } |
| 1229 | |
| 1230 | /// \brief Build a new C++ functional-style cast expression. |
| 1231 | /// |
| 1232 | /// By default, performs semantic analysis to build the new expression. |
| 1233 | /// Subclasses may override this routine to provide different behavior. |
| 1234 | OwningExprResult RebuildCXXFunctionalCastExpr(SourceRange TypeRange, |
| 1235 | QualType T, |
| 1236 | SourceLocation LParenLoc, |
| 1237 | ExprArg SubExpr, |
| 1238 | SourceLocation RParenLoc) { |
Chris Lattner | 88650c3 | 2009-08-24 05:19:01 +0000 | [diff] [blame] | 1239 | void *Sub = SubExpr.takeAs<Expr>(); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1240 | return getSema().ActOnCXXTypeConstructExpr(TypeRange, |
| 1241 | T.getAsOpaquePtr(), |
| 1242 | LParenLoc, |
Chris Lattner | 88650c3 | 2009-08-24 05:19:01 +0000 | [diff] [blame] | 1243 | Sema::MultiExprArg(getSema(), &Sub, 1), |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1244 | /*CommaLocs=*/0, |
| 1245 | RParenLoc); |
| 1246 | } |
| 1247 | |
| 1248 | /// \brief Build a new C++ typeid(type) expression. |
| 1249 | /// |
| 1250 | /// By default, performs semantic analysis to build the new expression. |
| 1251 | /// Subclasses may override this routine to provide different behavior. |
| 1252 | OwningExprResult RebuildCXXTypeidExpr(SourceLocation TypeidLoc, |
| 1253 | SourceLocation LParenLoc, |
| 1254 | QualType T, |
| 1255 | SourceLocation RParenLoc) { |
| 1256 | return getSema().ActOnCXXTypeid(TypeidLoc, LParenLoc, true, |
| 1257 | T.getAsOpaquePtr(), RParenLoc); |
| 1258 | } |
| 1259 | |
| 1260 | /// \brief Build a new C++ typeid(expr) expression. |
| 1261 | /// |
| 1262 | /// By default, performs semantic analysis to build the new expression. |
| 1263 | /// Subclasses may override this routine to provide different behavior. |
| 1264 | OwningExprResult RebuildCXXTypeidExpr(SourceLocation TypeidLoc, |
| 1265 | SourceLocation LParenLoc, |
| 1266 | ExprArg Operand, |
| 1267 | SourceLocation RParenLoc) { |
| 1268 | OwningExprResult Result |
| 1269 | = getSema().ActOnCXXTypeid(TypeidLoc, LParenLoc, false, Operand.get(), |
| 1270 | RParenLoc); |
| 1271 | if (Result.isInvalid()) |
| 1272 | return getSema().ExprError(); |
| 1273 | |
| 1274 | Operand.release(); // FIXME: since ActOnCXXTypeid silently took ownership |
| 1275 | return move(Result); |
| 1276 | } |
| 1277 | |
| 1278 | /// \brief Build a new C++ "this" expression. |
| 1279 | /// |
| 1280 | /// By default, builds a new "this" expression without performing any |
| 1281 | /// semantic analysis. Subclasses may override this routine to provide |
| 1282 | /// different behavior. |
| 1283 | OwningExprResult RebuildCXXThisExpr(SourceLocation ThisLoc, |
| 1284 | QualType ThisType) { |
| 1285 | return getSema().Owned( |
| 1286 | new (getSema().Context) CXXThisExpr(ThisLoc, ThisType)); |
| 1287 | } |
| 1288 | |
| 1289 | /// \brief Build a new C++ throw expression. |
| 1290 | /// |
| 1291 | /// By default, performs semantic analysis to build the new expression. |
| 1292 | /// Subclasses may override this routine to provide different behavior. |
| 1293 | OwningExprResult RebuildCXXThrowExpr(SourceLocation ThrowLoc, ExprArg Sub) { |
| 1294 | return getSema().ActOnCXXThrow(ThrowLoc, move(Sub)); |
| 1295 | } |
| 1296 | |
| 1297 | /// \brief Build a new C++ default-argument expression. |
| 1298 | /// |
| 1299 | /// By default, builds a new default-argument expression, which does not |
| 1300 | /// require any semantic analysis. Subclasses may override this routine to |
| 1301 | /// provide different behavior. |
| 1302 | OwningExprResult RebuildCXXDefaultArgExpr(ParmVarDecl *Param) { |
Anders Carlsson | f1480ee | 2009-08-14 18:30:22 +0000 | [diff] [blame] | 1303 | return getSema().Owned(CXXDefaultArgExpr::Create(getSema().Context, Param)); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1304 | } |
| 1305 | |
| 1306 | /// \brief Build a new C++ zero-initialization expression. |
| 1307 | /// |
| 1308 | /// By default, performs semantic analysis to build the new expression. |
| 1309 | /// Subclasses may override this routine to provide different behavior. |
| 1310 | OwningExprResult RebuildCXXZeroInitValueExpr(SourceLocation TypeStartLoc, |
| 1311 | SourceLocation LParenLoc, |
| 1312 | QualType T, |
| 1313 | SourceLocation RParenLoc) { |
| 1314 | return getSema().ActOnCXXTypeConstructExpr(SourceRange(TypeStartLoc), |
| 1315 | T.getAsOpaquePtr(), LParenLoc, |
| 1316 | MultiExprArg(getSema(), 0, 0), |
| 1317 | 0, RParenLoc); |
| 1318 | } |
| 1319 | |
| 1320 | /// \brief Build a new C++ conditional declaration expression. |
| 1321 | /// |
| 1322 | /// By default, performs semantic analysis to build the new expression. |
| 1323 | /// Subclasses may override this routine to provide different behavior. |
| 1324 | OwningExprResult RebuildCXXConditionDeclExpr(SourceLocation StartLoc, |
| 1325 | SourceLocation EqLoc, |
| 1326 | VarDecl *Var) { |
| 1327 | return SemaRef.Owned(new (SemaRef.Context) CXXConditionDeclExpr(StartLoc, |
| 1328 | EqLoc, |
| 1329 | Var)); |
| 1330 | } |
| 1331 | |
| 1332 | /// \brief Build a new C++ "new" expression. |
| 1333 | /// |
| 1334 | /// By default, performs semantic analysis to build the new expression. |
| 1335 | /// Subclasses may override this routine to provide different behavior. |
| 1336 | OwningExprResult RebuildCXXNewExpr(SourceLocation StartLoc, |
| 1337 | bool UseGlobal, |
| 1338 | SourceLocation PlacementLParen, |
| 1339 | MultiExprArg PlacementArgs, |
| 1340 | SourceLocation PlacementRParen, |
| 1341 | bool ParenTypeId, |
| 1342 | QualType AllocType, |
| 1343 | SourceLocation TypeLoc, |
| 1344 | SourceRange TypeRange, |
| 1345 | ExprArg ArraySize, |
| 1346 | SourceLocation ConstructorLParen, |
| 1347 | MultiExprArg ConstructorArgs, |
| 1348 | SourceLocation ConstructorRParen) { |
| 1349 | return getSema().BuildCXXNew(StartLoc, UseGlobal, |
| 1350 | PlacementLParen, |
| 1351 | move(PlacementArgs), |
| 1352 | PlacementRParen, |
| 1353 | ParenTypeId, |
| 1354 | AllocType, |
| 1355 | TypeLoc, |
| 1356 | TypeRange, |
| 1357 | move(ArraySize), |
| 1358 | ConstructorLParen, |
| 1359 | move(ConstructorArgs), |
| 1360 | ConstructorRParen); |
| 1361 | } |
| 1362 | |
| 1363 | /// \brief Build a new C++ "delete" expression. |
| 1364 | /// |
| 1365 | /// By default, performs semantic analysis to build the new expression. |
| 1366 | /// Subclasses may override this routine to provide different behavior. |
| 1367 | OwningExprResult RebuildCXXDeleteExpr(SourceLocation StartLoc, |
| 1368 | bool IsGlobalDelete, |
| 1369 | bool IsArrayForm, |
| 1370 | ExprArg Operand) { |
| 1371 | return getSema().ActOnCXXDelete(StartLoc, IsGlobalDelete, IsArrayForm, |
| 1372 | move(Operand)); |
| 1373 | } |
| 1374 | |
| 1375 | /// \brief Build a new unary type trait expression. |
| 1376 | /// |
| 1377 | /// By default, performs semantic analysis to build the new expression. |
| 1378 | /// Subclasses may override this routine to provide different behavior. |
| 1379 | OwningExprResult RebuildUnaryTypeTrait(UnaryTypeTrait Trait, |
| 1380 | SourceLocation StartLoc, |
| 1381 | SourceLocation LParenLoc, |
| 1382 | QualType T, |
| 1383 | SourceLocation RParenLoc) { |
| 1384 | return getSema().ActOnUnaryTypeTrait(Trait, StartLoc, LParenLoc, |
| 1385 | T.getAsOpaquePtr(), RParenLoc); |
| 1386 | } |
| 1387 | |
| 1388 | /// \brief Build a new qualified declaration reference expression. |
| 1389 | /// |
| 1390 | /// By default, performs semantic analysis to build the new expression. |
| 1391 | /// Subclasses may override this routine to provide different behavior. |
| 1392 | OwningExprResult RebuildQualifiedDeclRefExpr(NestedNameSpecifier *NNS, |
| 1393 | SourceRange QualifierRange, |
| 1394 | NamedDecl *ND, |
| 1395 | SourceLocation Location, |
| 1396 | bool IsAddressOfOperand) { |
| 1397 | CXXScopeSpec SS; |
| 1398 | SS.setRange(QualifierRange); |
| 1399 | SS.setScopeRep(NNS); |
| 1400 | return getSema().ActOnDeclarationNameExpr(/*Scope=*/0, |
| 1401 | Location, |
| 1402 | ND->getDeclName(), |
| 1403 | /*Trailing lparen=*/false, |
| 1404 | &SS, |
| 1405 | IsAddressOfOperand); |
| 1406 | } |
| 1407 | |
| 1408 | /// \brief Build a new (previously unresolved) declaration reference |
| 1409 | /// expression. |
| 1410 | /// |
| 1411 | /// By default, performs semantic analysis to build the new expression. |
| 1412 | /// Subclasses may override this routine to provide different behavior. |
| 1413 | OwningExprResult RebuildUnresolvedDeclRefExpr(NestedNameSpecifier *NNS, |
| 1414 | SourceRange QualifierRange, |
| 1415 | DeclarationName Name, |
| 1416 | SourceLocation Location, |
| 1417 | bool IsAddressOfOperand) { |
| 1418 | CXXScopeSpec SS; |
| 1419 | SS.setRange(QualifierRange); |
| 1420 | SS.setScopeRep(NNS); |
| 1421 | return getSema().ActOnDeclarationNameExpr(/*Scope=*/0, |
| 1422 | Location, |
| 1423 | Name, |
| 1424 | /*Trailing lparen=*/false, |
| 1425 | &SS, |
| 1426 | IsAddressOfOperand); |
| 1427 | } |
| 1428 | |
| 1429 | /// \brief Build a new template-id expression. |
| 1430 | /// |
| 1431 | /// By default, performs semantic analysis to build the new expression. |
| 1432 | /// Subclasses may override this routine to provide different behavior. |
| 1433 | OwningExprResult RebuildTemplateIdExpr(TemplateName Template, |
| 1434 | SourceLocation TemplateLoc, |
| 1435 | SourceLocation LAngleLoc, |
| 1436 | TemplateArgument *TemplateArgs, |
| 1437 | unsigned NumTemplateArgs, |
| 1438 | SourceLocation RAngleLoc) { |
| 1439 | return getSema().BuildTemplateIdExpr(Template, TemplateLoc, |
| 1440 | LAngleLoc, |
| 1441 | TemplateArgs, NumTemplateArgs, |
| 1442 | RAngleLoc); |
| 1443 | } |
| 1444 | |
| 1445 | /// \brief Build a new object-construction expression. |
| 1446 | /// |
| 1447 | /// By default, performs semantic analysis to build the new expression. |
| 1448 | /// Subclasses may override this routine to provide different behavior. |
| 1449 | OwningExprResult RebuildCXXConstructExpr(QualType T, |
| 1450 | CXXConstructorDecl *Constructor, |
| 1451 | bool IsElidable, |
| 1452 | MultiExprArg Args) { |
Anders Carlsson | ec8e5ea | 2009-09-05 07:40:38 +0000 | [diff] [blame] | 1453 | return getSema().BuildCXXConstructExpr(/*FIXME:ConstructLoc*/ |
| 1454 | SourceLocation(), |
| 1455 | T, Constructor, IsElidable, |
Anders Carlsson | f47511a | 2009-09-07 22:23:31 +0000 | [diff] [blame] | 1456 | move(Args)); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1457 | } |
| 1458 | |
| 1459 | /// \brief Build a new object-construction expression. |
| 1460 | /// |
| 1461 | /// By default, performs semantic analysis to build the new expression. |
| 1462 | /// Subclasses may override this routine to provide different behavior. |
| 1463 | OwningExprResult RebuildCXXTemporaryObjectExpr(SourceLocation TypeBeginLoc, |
| 1464 | QualType T, |
| 1465 | SourceLocation LParenLoc, |
| 1466 | MultiExprArg Args, |
| 1467 | SourceLocation *Commas, |
| 1468 | SourceLocation RParenLoc) { |
| 1469 | return getSema().ActOnCXXTypeConstructExpr(SourceRange(TypeBeginLoc), |
| 1470 | T.getAsOpaquePtr(), |
| 1471 | LParenLoc, |
| 1472 | move(Args), |
| 1473 | Commas, |
| 1474 | RParenLoc); |
| 1475 | } |
| 1476 | |
| 1477 | /// \brief Build a new object-construction expression. |
| 1478 | /// |
| 1479 | /// By default, performs semantic analysis to build the new expression. |
| 1480 | /// Subclasses may override this routine to provide different behavior. |
| 1481 | OwningExprResult RebuildCXXUnresolvedConstructExpr(SourceLocation TypeBeginLoc, |
| 1482 | QualType T, |
| 1483 | SourceLocation LParenLoc, |
| 1484 | MultiExprArg Args, |
| 1485 | SourceLocation *Commas, |
| 1486 | SourceLocation RParenLoc) { |
| 1487 | return getSema().ActOnCXXTypeConstructExpr(SourceRange(TypeBeginLoc, |
| 1488 | /*FIXME*/LParenLoc), |
| 1489 | T.getAsOpaquePtr(), |
| 1490 | LParenLoc, |
| 1491 | move(Args), |
| 1492 | Commas, |
| 1493 | RParenLoc); |
| 1494 | } |
| 1495 | |
| 1496 | /// \brief Build a new member reference expression. |
| 1497 | /// |
| 1498 | /// By default, performs semantic analysis to build the new expression. |
| 1499 | /// Subclasses may override this routine to provide different behavior. |
Douglas Gregor | 0dec56d | 2009-08-11 15:56:57 +0000 | [diff] [blame] | 1500 | OwningExprResult RebuildCXXUnresolvedMemberExpr(ExprArg BaseE, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1501 | bool IsArrow, |
| 1502 | SourceLocation OperatorLoc, |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1503 | NestedNameSpecifier *Qualifier, |
| 1504 | SourceRange QualifierRange, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1505 | DeclarationName Name, |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 1506 | SourceLocation MemberLoc, |
| 1507 | NamedDecl *FirstQualifierInScope) { |
Douglas Gregor | 0dec56d | 2009-08-11 15:56:57 +0000 | [diff] [blame] | 1508 | OwningExprResult Base = move(BaseE); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1509 | tok::TokenKind OpKind = IsArrow? tok::arrow : tok::period; |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1510 | |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1511 | CXXScopeSpec SS; |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1512 | SS.setRange(QualifierRange); |
| 1513 | SS.setScopeRep(Qualifier); |
| 1514 | |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 1515 | return SemaRef.BuildMemberReferenceExpr(/*Scope=*/0, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1516 | move(Base), OperatorLoc, OpKind, |
Douglas Gregor | 017dde5 | 2009-08-31 20:00:26 +0000 | [diff] [blame] | 1517 | MemberLoc, |
| 1518 | Name, |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1519 | /*FIXME?*/Sema::DeclPtrTy::make((Decl*)0), |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 1520 | &SS, |
| 1521 | FirstQualifierInScope); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1522 | } |
| 1523 | |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 1524 | /// \brief Build a new member reference expression with explicit template |
| 1525 | /// arguments. |
| 1526 | /// |
| 1527 | /// By default, performs semantic analysis to build the new expression. |
| 1528 | /// Subclasses may override this routine to provide different behavior. |
| 1529 | OwningExprResult RebuildCXXUnresolvedMemberExpr(ExprArg BaseE, |
| 1530 | bool IsArrow, |
| 1531 | SourceLocation OperatorLoc, |
| 1532 | NestedNameSpecifier *Qualifier, |
| 1533 | SourceRange QualifierRange, |
| 1534 | TemplateName Template, |
| 1535 | SourceLocation TemplateNameLoc, |
| 1536 | NamedDecl *FirstQualifierInScope, |
| 1537 | SourceLocation LAngleLoc, |
| 1538 | const TemplateArgument *TemplateArgs, |
| 1539 | unsigned NumTemplateArgs, |
| 1540 | SourceLocation RAngleLoc) { |
| 1541 | OwningExprResult Base = move(BaseE); |
| 1542 | tok::TokenKind OpKind = IsArrow? tok::arrow : tok::period; |
| 1543 | |
| 1544 | CXXScopeSpec SS; |
| 1545 | SS.setRange(QualifierRange); |
| 1546 | SS.setScopeRep(Qualifier); |
| 1547 | |
| 1548 | // FIXME: We're going to end up looking up the template based on its name, |
| 1549 | // twice! Also, duplicates part of Sema::ActOnMemberTemplateIdReferenceExpr. |
| 1550 | DeclarationName Name; |
| 1551 | if (TemplateDecl *ActualTemplate = Template.getAsTemplateDecl()) |
| 1552 | Name = ActualTemplate->getDeclName(); |
| 1553 | else if (OverloadedFunctionDecl *Ovl |
| 1554 | = Template.getAsOverloadedFunctionDecl()) |
| 1555 | Name = Ovl->getDeclName(); |
| 1556 | else |
| 1557 | Name = Template.getAsDependentTemplateName()->getName(); |
| 1558 | |
| 1559 | return SemaRef.BuildMemberReferenceExpr(/*Scope=*/0, move(Base), |
| 1560 | OperatorLoc, OpKind, |
| 1561 | TemplateNameLoc, Name, true, |
| 1562 | LAngleLoc, TemplateArgs, |
| 1563 | NumTemplateArgs, RAngleLoc, |
| 1564 | Sema::DeclPtrTy(), &SS); |
| 1565 | } |
| 1566 | |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1567 | /// \brief Build a new Objective-C @encode expression. |
| 1568 | /// |
| 1569 | /// By default, performs semantic analysis to build the new expression. |
| 1570 | /// Subclasses may override this routine to provide different behavior. |
| 1571 | OwningExprResult RebuildObjCEncodeExpr(SourceLocation AtLoc, |
| 1572 | QualType T, |
| 1573 | SourceLocation RParenLoc) { |
| 1574 | return SemaRef.Owned(SemaRef.BuildObjCEncodeExpression(AtLoc, T, |
| 1575 | RParenLoc)); |
| 1576 | } |
| 1577 | |
| 1578 | /// \brief Build a new Objective-C protocol expression. |
| 1579 | /// |
| 1580 | /// By default, performs semantic analysis to build the new expression. |
| 1581 | /// Subclasses may override this routine to provide different behavior. |
| 1582 | OwningExprResult RebuildObjCProtocolExpr(ObjCProtocolDecl *Protocol, |
| 1583 | SourceLocation AtLoc, |
| 1584 | SourceLocation ProtoLoc, |
| 1585 | SourceLocation LParenLoc, |
| 1586 | SourceLocation RParenLoc) { |
| 1587 | return SemaRef.Owned(SemaRef.ParseObjCProtocolExpression( |
| 1588 | Protocol->getIdentifier(), |
| 1589 | AtLoc, |
| 1590 | ProtoLoc, |
| 1591 | LParenLoc, |
| 1592 | RParenLoc)); |
| 1593 | } |
| 1594 | |
| 1595 | /// \brief Build a new shuffle vector expression. |
| 1596 | /// |
| 1597 | /// By default, performs semantic analysis to build the new expression. |
| 1598 | /// Subclasses may override this routine to provide different behavior. |
| 1599 | OwningExprResult RebuildShuffleVectorExpr(SourceLocation BuiltinLoc, |
| 1600 | MultiExprArg SubExprs, |
| 1601 | SourceLocation RParenLoc) { |
| 1602 | // Find the declaration for __builtin_shufflevector |
| 1603 | const IdentifierInfo &Name |
| 1604 | = SemaRef.Context.Idents.get("__builtin_shufflevector"); |
| 1605 | TranslationUnitDecl *TUDecl = SemaRef.Context.getTranslationUnitDecl(); |
| 1606 | DeclContext::lookup_result Lookup = TUDecl->lookup(DeclarationName(&Name)); |
| 1607 | assert(Lookup.first != Lookup.second && "No __builtin_shufflevector?"); |
| 1608 | |
| 1609 | // Build a reference to the __builtin_shufflevector builtin |
| 1610 | FunctionDecl *Builtin = cast<FunctionDecl>(*Lookup.first); |
| 1611 | Expr *Callee |
| 1612 | = new (SemaRef.Context) DeclRefExpr(Builtin, Builtin->getType(), |
| 1613 | BuiltinLoc, false, false); |
| 1614 | SemaRef.UsualUnaryConversions(Callee); |
| 1615 | |
| 1616 | // Build the CallExpr |
| 1617 | unsigned NumSubExprs = SubExprs.size(); |
| 1618 | Expr **Subs = (Expr **)SubExprs.release(); |
| 1619 | CallExpr *TheCall = new (SemaRef.Context) CallExpr(SemaRef.Context, Callee, |
| 1620 | Subs, NumSubExprs, |
| 1621 | Builtin->getResultType(), |
| 1622 | RParenLoc); |
| 1623 | OwningExprResult OwnedCall(SemaRef.Owned(TheCall)); |
| 1624 | |
| 1625 | // Type-check the __builtin_shufflevector expression. |
| 1626 | OwningExprResult Result = SemaRef.SemaBuiltinShuffleVector(TheCall); |
| 1627 | if (Result.isInvalid()) |
| 1628 | return SemaRef.ExprError(); |
| 1629 | |
| 1630 | OwnedCall.release(); |
| 1631 | return move(Result); |
| 1632 | } |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 1633 | }; |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1634 | |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 1635 | template<typename Derived> |
| 1636 | Sema::OwningStmtResult TreeTransform<Derived>::TransformStmt(Stmt *S) { |
| 1637 | if (!S) |
| 1638 | return SemaRef.Owned(S); |
| 1639 | |
| 1640 | switch (S->getStmtClass()) { |
| 1641 | case Stmt::NoStmtClass: break; |
| 1642 | |
| 1643 | // Transform individual statement nodes |
| 1644 | #define STMT(Node, Parent) \ |
| 1645 | case Stmt::Node##Class: return getDerived().Transform##Node(cast<Node>(S)); |
| 1646 | #define EXPR(Node, Parent) |
| 1647 | #include "clang/AST/StmtNodes.def" |
| 1648 | |
| 1649 | // Transform expressions by calling TransformExpr. |
| 1650 | #define STMT(Node, Parent) |
| 1651 | #define EXPR(Node, Parent) case Stmt::Node##Class: |
| 1652 | #include "clang/AST/StmtNodes.def" |
| 1653 | { |
| 1654 | Sema::OwningExprResult E = getDerived().TransformExpr(cast<Expr>(S)); |
| 1655 | if (E.isInvalid()) |
| 1656 | return getSema().StmtError(); |
| 1657 | |
| 1658 | return getSema().Owned(E.takeAs<Stmt>()); |
| 1659 | } |
| 1660 | } |
| 1661 | |
| 1662 | return SemaRef.Owned(S->Retain()); |
| 1663 | } |
| 1664 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 1665 | |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 1666 | template<typename Derived> |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 1667 | Sema::OwningExprResult TreeTransform<Derived>::TransformExpr(Expr *E, |
| 1668 | bool isAddressOfOperand) { |
| 1669 | if (!E) |
| 1670 | return SemaRef.Owned(E); |
| 1671 | |
| 1672 | switch (E->getStmtClass()) { |
| 1673 | case Stmt::NoStmtClass: break; |
| 1674 | #define STMT(Node, Parent) case Stmt::Node##Class: break; |
| 1675 | #define EXPR(Node, Parent) \ |
| 1676 | case Stmt::Node##Class: return getDerived().Transform##Node(cast<Node>(E)); |
| 1677 | #include "clang/AST/StmtNodes.def" |
| 1678 | } |
| 1679 | |
| 1680 | return SemaRef.Owned(E->Retain()); |
Douglas Gregor | 657c1ac | 2009-08-06 22:17:10 +0000 | [diff] [blame] | 1681 | } |
| 1682 | |
| 1683 | template<typename Derived> |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 1684 | NestedNameSpecifier * |
| 1685 | TreeTransform<Derived>::TransformNestedNameSpecifier(NestedNameSpecifier *NNS, |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1686 | SourceRange Range, |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 1687 | QualType ObjectType, |
| 1688 | NamedDecl *FirstQualifierInScope) { |
Douglas Gregor | 0979c80 | 2009-08-31 21:41:48 +0000 | [diff] [blame] | 1689 | if (!NNS) |
| 1690 | return 0; |
| 1691 | |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 1692 | // Transform the prefix of this nested name specifier. |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 1693 | NestedNameSpecifier *Prefix = NNS->getPrefix(); |
| 1694 | if (Prefix) { |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1695 | Prefix = getDerived().TransformNestedNameSpecifier(Prefix, Range, |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 1696 | ObjectType, |
| 1697 | FirstQualifierInScope); |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 1698 | if (!Prefix) |
| 1699 | return 0; |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1700 | |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 1701 | // Clear out the object type and the first qualifier in scope; they only |
| 1702 | // apply to the first element in the nested-name-specifier. |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1703 | ObjectType = QualType(); |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 1704 | FirstQualifierInScope = 0; |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 1705 | } |
| 1706 | |
| 1707 | switch (NNS->getKind()) { |
| 1708 | case NestedNameSpecifier::Identifier: |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1709 | assert((Prefix || !ObjectType.isNull()) && |
| 1710 | "Identifier nested-name-specifier with no prefix or object type"); |
| 1711 | if (!getDerived().AlwaysRebuild() && Prefix == NNS->getPrefix() && |
| 1712 | ObjectType.isNull()) |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 1713 | return NNS; |
| 1714 | |
| 1715 | return getDerived().RebuildNestedNameSpecifier(Prefix, Range, |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 1716 | *NNS->getAsIdentifier(), |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 1717 | ObjectType, |
| 1718 | FirstQualifierInScope); |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 1719 | |
| 1720 | case NestedNameSpecifier::Namespace: { |
| 1721 | NamespaceDecl *NS |
| 1722 | = cast_or_null<NamespaceDecl>( |
| 1723 | getDerived().TransformDecl(NNS->getAsNamespace())); |
| 1724 | if (!getDerived().AlwaysRebuild() && |
| 1725 | Prefix == NNS->getPrefix() && |
| 1726 | NS == NNS->getAsNamespace()) |
| 1727 | return NNS; |
| 1728 | |
| 1729 | return getDerived().RebuildNestedNameSpecifier(Prefix, Range, NS); |
| 1730 | } |
| 1731 | |
| 1732 | case NestedNameSpecifier::Global: |
| 1733 | // There is no meaningful transformation that one could perform on the |
| 1734 | // global scope. |
| 1735 | return NNS; |
| 1736 | |
| 1737 | case NestedNameSpecifier::TypeSpecWithTemplate: |
| 1738 | case NestedNameSpecifier::TypeSpec: { |
| 1739 | QualType T = getDerived().TransformType(QualType(NNS->getAsType(), 0)); |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 1740 | if (T.isNull()) |
| 1741 | return 0; |
| 1742 | |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 1743 | if (!getDerived().AlwaysRebuild() && |
| 1744 | Prefix == NNS->getPrefix() && |
| 1745 | T == QualType(NNS->getAsType(), 0)) |
| 1746 | return NNS; |
| 1747 | |
| 1748 | return getDerived().RebuildNestedNameSpecifier(Prefix, Range, |
| 1749 | NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, |
| 1750 | T); |
| 1751 | } |
| 1752 | } |
| 1753 | |
| 1754 | // Required to silence a GCC warning |
| 1755 | return 0; |
| 1756 | } |
| 1757 | |
| 1758 | template<typename Derived> |
Douglas Gregor | 81499bb | 2009-09-03 22:13:48 +0000 | [diff] [blame] | 1759 | DeclarationName |
| 1760 | TreeTransform<Derived>::TransformDeclarationName(DeclarationName Name, |
| 1761 | SourceLocation Loc) { |
| 1762 | if (!Name) |
| 1763 | return Name; |
| 1764 | |
| 1765 | switch (Name.getNameKind()) { |
| 1766 | case DeclarationName::Identifier: |
| 1767 | case DeclarationName::ObjCZeroArgSelector: |
| 1768 | case DeclarationName::ObjCOneArgSelector: |
| 1769 | case DeclarationName::ObjCMultiArgSelector: |
| 1770 | case DeclarationName::CXXOperatorName: |
| 1771 | case DeclarationName::CXXUsingDirective: |
| 1772 | return Name; |
| 1773 | |
| 1774 | case DeclarationName::CXXConstructorName: |
| 1775 | case DeclarationName::CXXDestructorName: |
| 1776 | case DeclarationName::CXXConversionFunctionName: { |
| 1777 | TemporaryBase Rebase(*this, Loc, Name); |
| 1778 | QualType T = getDerived().TransformType(Name.getCXXNameType()); |
| 1779 | if (T.isNull()) |
| 1780 | return DeclarationName(); |
| 1781 | |
| 1782 | return SemaRef.Context.DeclarationNames.getCXXSpecialName( |
| 1783 | Name.getNameKind(), |
| 1784 | SemaRef.Context.getCanonicalType(T)); |
| 1785 | } |
| 1786 | } |
| 1787 | |
| 1788 | return DeclarationName(); |
| 1789 | } |
| 1790 | |
| 1791 | template<typename Derived> |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 1792 | TemplateName |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 1793 | TreeTransform<Derived>::TransformTemplateName(TemplateName Name, |
| 1794 | QualType ObjectType) { |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 1795 | if (QualifiedTemplateName *QTN = Name.getAsQualifiedTemplateName()) { |
| 1796 | NestedNameSpecifier *NNS |
| 1797 | = getDerived().TransformNestedNameSpecifier(QTN->getQualifier(), |
| 1798 | /*FIXME:*/SourceRange(getDerived().getBaseLocation())); |
| 1799 | if (!NNS) |
| 1800 | return TemplateName(); |
| 1801 | |
| 1802 | if (TemplateDecl *Template = QTN->getTemplateDecl()) { |
| 1803 | TemplateDecl *TransTemplate |
| 1804 | = cast_or_null<TemplateDecl>(getDerived().TransformDecl(Template)); |
| 1805 | if (!TransTemplate) |
| 1806 | return TemplateName(); |
| 1807 | |
| 1808 | if (!getDerived().AlwaysRebuild() && |
| 1809 | NNS == QTN->getQualifier() && |
| 1810 | TransTemplate == Template) |
| 1811 | return Name; |
| 1812 | |
| 1813 | return getDerived().RebuildTemplateName(NNS, QTN->hasTemplateKeyword(), |
| 1814 | TransTemplate); |
| 1815 | } |
| 1816 | |
| 1817 | OverloadedFunctionDecl *Ovl = QTN->getOverloadedFunctionDecl(); |
| 1818 | assert(Ovl && "Not a template name or an overload set?"); |
| 1819 | OverloadedFunctionDecl *TransOvl |
| 1820 | = cast_or_null<OverloadedFunctionDecl>(getDerived().TransformDecl(Ovl)); |
| 1821 | if (!TransOvl) |
| 1822 | return TemplateName(); |
| 1823 | |
| 1824 | if (!getDerived().AlwaysRebuild() && |
| 1825 | NNS == QTN->getQualifier() && |
| 1826 | TransOvl == Ovl) |
| 1827 | return Name; |
| 1828 | |
| 1829 | return getDerived().RebuildTemplateName(NNS, QTN->hasTemplateKeyword(), |
| 1830 | TransOvl); |
| 1831 | } |
| 1832 | |
| 1833 | if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { |
| 1834 | NestedNameSpecifier *NNS |
| 1835 | = getDerived().TransformNestedNameSpecifier(DTN->getQualifier(), |
| 1836 | /*FIXME:*/SourceRange(getDerived().getBaseLocation())); |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 1837 | if (!NNS && DTN->getQualifier()) |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 1838 | return TemplateName(); |
| 1839 | |
| 1840 | if (!getDerived().AlwaysRebuild() && |
| 1841 | NNS == DTN->getQualifier()) |
| 1842 | return Name; |
| 1843 | |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 1844 | return getDerived().RebuildTemplateName(NNS, *DTN->getName(), ObjectType); |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 1845 | } |
| 1846 | |
| 1847 | if (TemplateDecl *Template = Name.getAsTemplateDecl()) { |
| 1848 | TemplateDecl *TransTemplate |
| 1849 | = cast_or_null<TemplateDecl>(getDerived().TransformDecl(Template)); |
| 1850 | if (!TransTemplate) |
| 1851 | return TemplateName(); |
| 1852 | |
| 1853 | if (!getDerived().AlwaysRebuild() && |
| 1854 | TransTemplate == Template) |
| 1855 | return Name; |
| 1856 | |
| 1857 | return TemplateName(TransTemplate); |
| 1858 | } |
| 1859 | |
| 1860 | OverloadedFunctionDecl *Ovl = Name.getAsOverloadedFunctionDecl(); |
| 1861 | assert(Ovl && "Not a template name or an overload set?"); |
| 1862 | OverloadedFunctionDecl *TransOvl |
| 1863 | = cast_or_null<OverloadedFunctionDecl>(getDerived().TransformDecl(Ovl)); |
| 1864 | if (!TransOvl) |
| 1865 | return TemplateName(); |
| 1866 | |
| 1867 | if (!getDerived().AlwaysRebuild() && |
| 1868 | TransOvl == Ovl) |
| 1869 | return Name; |
| 1870 | |
| 1871 | return TemplateName(TransOvl); |
| 1872 | } |
| 1873 | |
| 1874 | template<typename Derived> |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 1875 | TemplateArgument |
| 1876 | TreeTransform<Derived>::TransformTemplateArgument(const TemplateArgument &Arg) { |
| 1877 | switch (Arg.getKind()) { |
| 1878 | case TemplateArgument::Null: |
| 1879 | case TemplateArgument::Integral: |
| 1880 | return Arg; |
| 1881 | |
| 1882 | case TemplateArgument::Type: { |
| 1883 | QualType T = getDerived().TransformType(Arg.getAsType()); |
| 1884 | if (T.isNull()) |
| 1885 | return TemplateArgument(); |
| 1886 | return TemplateArgument(Arg.getLocation(), T); |
| 1887 | } |
| 1888 | |
| 1889 | case TemplateArgument::Declaration: { |
| 1890 | Decl *D = getDerived().TransformDecl(Arg.getAsDecl()); |
| 1891 | if (!D) |
| 1892 | return TemplateArgument(); |
| 1893 | return TemplateArgument(Arg.getLocation(), D); |
| 1894 | } |
| 1895 | |
| 1896 | case TemplateArgument::Expression: { |
| 1897 | // Template argument expressions are not potentially evaluated. |
| 1898 | EnterExpressionEvaluationContext Unevaluated(getSema(), |
| 1899 | Action::Unevaluated); |
| 1900 | |
| 1901 | Sema::OwningExprResult E = getDerived().TransformExpr(Arg.getAsExpr()); |
| 1902 | if (E.isInvalid()) |
| 1903 | return TemplateArgument(); |
| 1904 | return TemplateArgument(E.takeAs<Expr>()); |
| 1905 | } |
| 1906 | |
| 1907 | case TemplateArgument::Pack: { |
| 1908 | llvm::SmallVector<TemplateArgument, 4> TransformedArgs; |
| 1909 | TransformedArgs.reserve(Arg.pack_size()); |
| 1910 | for (TemplateArgument::pack_iterator A = Arg.pack_begin(), |
| 1911 | AEnd = Arg.pack_end(); |
| 1912 | A != AEnd; ++A) { |
| 1913 | TemplateArgument TA = getDerived().TransformTemplateArgument(*A); |
| 1914 | if (TA.isNull()) |
| 1915 | return TA; |
| 1916 | |
| 1917 | TransformedArgs.push_back(TA); |
| 1918 | } |
| 1919 | TemplateArgument Result; |
| 1920 | Result.setArgumentPack(TransformedArgs.data(), TransformedArgs.size(), |
| 1921 | true); |
| 1922 | return Result; |
| 1923 | } |
| 1924 | } |
| 1925 | |
| 1926 | // Work around bogus GCC warning |
| 1927 | return TemplateArgument(); |
| 1928 | } |
| 1929 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 1930 | //===----------------------------------------------------------------------===// |
| 1931 | // Type transformation |
| 1932 | //===----------------------------------------------------------------------===// |
| 1933 | |
| 1934 | template<typename Derived> |
| 1935 | QualType TreeTransform<Derived>::TransformType(QualType T) { |
| 1936 | if (getDerived().AlreadyTransformed(T)) |
| 1937 | return T; |
| 1938 | |
| 1939 | QualType Result; |
| 1940 | switch (T->getTypeClass()) { |
| 1941 | #define ABSTRACT_TYPE(CLASS, PARENT) |
| 1942 | #define TYPE(CLASS, PARENT) \ |
| 1943 | case Type::CLASS: \ |
| 1944 | Result = getDerived().Transform##CLASS##Type( \ |
| 1945 | static_cast<CLASS##Type*>(T.getTypePtr())); \ |
| 1946 | break; |
| 1947 | #include "clang/AST/TypeNodes.def" |
| 1948 | } |
| 1949 | |
| 1950 | if (Result.isNull() || T == Result) |
| 1951 | return Result; |
| 1952 | |
| 1953 | return getDerived().AddTypeQualifiers(Result, T.getCVRQualifiers()); |
| 1954 | } |
| 1955 | |
| 1956 | template<typename Derived> |
| 1957 | QualType |
| 1958 | TreeTransform<Derived>::AddTypeQualifiers(QualType T, unsigned CVRQualifiers) { |
| 1959 | if (CVRQualifiers && !T->isFunctionType() && !T->isReferenceType()) |
| 1960 | return T.getWithAdditionalQualifiers(CVRQualifiers); |
| 1961 | |
| 1962 | return T; |
| 1963 | } |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 1964 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 1965 | template<typename Derived> |
| 1966 | QualType TreeTransform<Derived>::TransformExtQualType(const ExtQualType *T) { |
| 1967 | // FIXME: Implement |
| 1968 | return QualType(T, 0); |
| 1969 | } |
| 1970 | |
| 1971 | template<typename Derived> |
| 1972 | QualType TreeTransform<Derived>::TransformBuiltinType(const BuiltinType *T) { |
| 1973 | // Nothing to do |
| 1974 | return QualType(T, 0); |
| 1975 | } |
| 1976 | |
| 1977 | template<typename Derived> |
| 1978 | QualType TreeTransform<Derived>::TransformFixedWidthIntType( |
| 1979 | const FixedWidthIntType *T) { |
| 1980 | // FIXME: Implement |
| 1981 | return QualType(T, 0); |
| 1982 | } |
| 1983 | |
| 1984 | template<typename Derived> |
| 1985 | QualType TreeTransform<Derived>::TransformComplexType(const ComplexType *T) { |
| 1986 | // FIXME: Implement |
| 1987 | return QualType(T, 0); |
| 1988 | } |
| 1989 | |
| 1990 | template<typename Derived> |
| 1991 | QualType TreeTransform<Derived>::TransformPointerType(const PointerType *T) { |
| 1992 | QualType PointeeType = getDerived().TransformType(T->getPointeeType()); |
| 1993 | if (PointeeType.isNull()) |
| 1994 | return QualType(); |
| 1995 | |
| 1996 | if (!getDerived().AlwaysRebuild() && |
| 1997 | PointeeType == T->getPointeeType()) |
| 1998 | return QualType(T, 0); |
| 1999 | |
| 2000 | return getDerived().RebuildPointerType(PointeeType); |
| 2001 | } |
| 2002 | |
| 2003 | template<typename Derived> |
| 2004 | QualType |
| 2005 | TreeTransform<Derived>::TransformBlockPointerType(const BlockPointerType *T) { |
| 2006 | QualType PointeeType = getDerived().TransformType(T->getPointeeType()); |
| 2007 | if (PointeeType.isNull()) |
| 2008 | return QualType(); |
| 2009 | |
| 2010 | if (!getDerived().AlwaysRebuild() && |
| 2011 | PointeeType == T->getPointeeType()) |
| 2012 | return QualType(T, 0); |
| 2013 | |
| 2014 | return getDerived().RebuildBlockPointerType(PointeeType); |
| 2015 | } |
| 2016 | |
| 2017 | template<typename Derived> |
| 2018 | QualType |
| 2019 | TreeTransform<Derived>::TransformLValueReferenceType( |
| 2020 | const LValueReferenceType *T) { |
| 2021 | QualType PointeeType = getDerived().TransformType(T->getPointeeType()); |
| 2022 | if (PointeeType.isNull()) |
| 2023 | return QualType(); |
| 2024 | |
| 2025 | if (!getDerived().AlwaysRebuild() && |
| 2026 | PointeeType == T->getPointeeType()) |
| 2027 | return QualType(T, 0); |
| 2028 | |
| 2029 | return getDerived().RebuildLValueReferenceType(PointeeType); |
| 2030 | } |
| 2031 | |
| 2032 | template<typename Derived> |
| 2033 | QualType |
| 2034 | TreeTransform<Derived>::TransformRValueReferenceType( |
| 2035 | const RValueReferenceType *T) { |
| 2036 | QualType PointeeType = getDerived().TransformType(T->getPointeeType()); |
| 2037 | if (PointeeType.isNull()) |
| 2038 | return QualType(); |
| 2039 | |
| 2040 | if (!getDerived().AlwaysRebuild() && |
| 2041 | PointeeType == T->getPointeeType()) |
| 2042 | return QualType(T, 0); |
| 2043 | |
| 2044 | return getDerived().RebuildRValueReferenceType(PointeeType); |
| 2045 | } |
| 2046 | |
| 2047 | template<typename Derived> |
| 2048 | QualType |
| 2049 | TreeTransform<Derived>::TransformMemberPointerType(const MemberPointerType *T) { |
| 2050 | QualType PointeeType = getDerived().TransformType(T->getPointeeType()); |
| 2051 | if (PointeeType.isNull()) |
| 2052 | return QualType(); |
| 2053 | |
| 2054 | QualType ClassType = getDerived().TransformType(QualType(T->getClass(), 0)); |
| 2055 | if (ClassType.isNull()) |
| 2056 | return QualType(); |
| 2057 | |
| 2058 | if (!getDerived().AlwaysRebuild() && |
| 2059 | PointeeType == T->getPointeeType() && |
| 2060 | ClassType == QualType(T->getClass(), 0)) |
| 2061 | return QualType(T, 0); |
| 2062 | |
| 2063 | return getDerived().RebuildMemberPointerType(PointeeType, ClassType); |
| 2064 | } |
| 2065 | |
| 2066 | template<typename Derived> |
| 2067 | QualType |
| 2068 | TreeTransform<Derived>::TransformConstantArrayType(const ConstantArrayType *T) { |
| 2069 | QualType ElementType = getDerived().TransformType(T->getElementType()); |
| 2070 | if (ElementType.isNull()) |
| 2071 | return QualType(); |
| 2072 | |
| 2073 | if (!getDerived().AlwaysRebuild() && |
| 2074 | ElementType == T->getElementType()) |
| 2075 | return QualType(T, 0); |
| 2076 | |
| 2077 | return getDerived().RebuildConstantArrayType(ElementType, |
| 2078 | T->getSizeModifier(), |
| 2079 | T->getSize(), |
| 2080 | T->getIndexTypeQualifier()); |
| 2081 | } |
| 2082 | |
| 2083 | template<typename Derived> |
| 2084 | QualType |
| 2085 | TreeTransform<Derived>::TransformConstantArrayWithExprType( |
| 2086 | const ConstantArrayWithExprType *T) { |
| 2087 | QualType ElementType = getDerived().TransformType(T->getElementType()); |
| 2088 | if (ElementType.isNull()) |
| 2089 | return QualType(); |
| 2090 | |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 2091 | // Array bounds are not potentially evaluated contexts |
| 2092 | EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); |
| 2093 | |
| 2094 | Sema::OwningExprResult Size = getDerived().TransformExpr(T->getSizeExpr()); |
| 2095 | if (Size.isInvalid()) |
| 2096 | return QualType(); |
| 2097 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2098 | if (!getDerived().AlwaysRebuild() && |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 2099 | ElementType == T->getElementType() && |
| 2100 | Size.get() == T->getSizeExpr()) |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2101 | return QualType(T, 0); |
| 2102 | |
| 2103 | return getDerived().RebuildConstantArrayWithExprType(ElementType, |
| 2104 | T->getSizeModifier(), |
| 2105 | T->getSize(), |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 2106 | Size.takeAs<Expr>(), |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2107 | T->getIndexTypeQualifier(), |
| 2108 | T->getBracketsRange()); |
| 2109 | } |
| 2110 | |
| 2111 | template<typename Derived> |
| 2112 | QualType |
| 2113 | TreeTransform<Derived>::TransformConstantArrayWithoutExprType( |
| 2114 | const ConstantArrayWithoutExprType *T) { |
| 2115 | QualType ElementType = getDerived().TransformType(T->getElementType()); |
| 2116 | if (ElementType.isNull()) |
| 2117 | return QualType(); |
| 2118 | |
| 2119 | if (!getDerived().AlwaysRebuild() && |
| 2120 | ElementType == T->getElementType()) |
| 2121 | return QualType(T, 0); |
| 2122 | |
| 2123 | return getDerived().RebuildConstantArrayWithoutExprType(ElementType, |
| 2124 | T->getSizeModifier(), |
| 2125 | T->getSize(), |
| 2126 | T->getIndexTypeQualifier()); |
| 2127 | } |
| 2128 | |
| 2129 | template<typename Derived> |
| 2130 | QualType TreeTransform<Derived>::TransformIncompleteArrayType( |
| 2131 | const IncompleteArrayType *T) { |
| 2132 | QualType ElementType = getDerived().TransformType(T->getElementType()); |
| 2133 | if (ElementType.isNull()) |
| 2134 | return QualType(); |
| 2135 | |
| 2136 | if (!getDerived().AlwaysRebuild() && |
| 2137 | ElementType == T->getElementType()) |
| 2138 | return QualType(T, 0); |
| 2139 | |
| 2140 | return getDerived().RebuildIncompleteArrayType(ElementType, |
| 2141 | T->getSizeModifier(), |
| 2142 | T->getIndexTypeQualifier()); |
| 2143 | } |
| 2144 | |
| 2145 | template<typename Derived> |
| 2146 | QualType TreeTransform<Derived>::TransformVariableArrayType( |
| 2147 | const VariableArrayType *T) { |
| 2148 | QualType ElementType = getDerived().TransformType(T->getElementType()); |
| 2149 | if (ElementType.isNull()) |
| 2150 | return QualType(); |
| 2151 | |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 2152 | // Array bounds are not potentially evaluated contexts |
| 2153 | EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); |
| 2154 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2155 | Sema::OwningExprResult Size = getDerived().TransformExpr(T->getSizeExpr()); |
| 2156 | if (Size.isInvalid()) |
| 2157 | return QualType(); |
| 2158 | |
| 2159 | if (!getDerived().AlwaysRebuild() && |
| 2160 | ElementType == T->getElementType() && |
| 2161 | Size.get() == T->getSizeExpr()) { |
| 2162 | Size.take(); |
| 2163 | return QualType(T, 0); |
| 2164 | } |
| 2165 | |
| 2166 | return getDerived().RebuildVariableArrayType(ElementType, |
| 2167 | T->getSizeModifier(), |
| 2168 | move(Size), |
| 2169 | T->getIndexTypeQualifier(), |
| 2170 | T->getBracketsRange()); |
| 2171 | } |
| 2172 | |
| 2173 | template<typename Derived> |
| 2174 | QualType TreeTransform<Derived>::TransformDependentSizedArrayType( |
| 2175 | const DependentSizedArrayType *T) { |
| 2176 | QualType ElementType = getDerived().TransformType(T->getElementType()); |
| 2177 | if (ElementType.isNull()) |
| 2178 | return QualType(); |
| 2179 | |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 2180 | // Array bounds are not potentially evaluated contexts |
| 2181 | EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); |
| 2182 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2183 | Sema::OwningExprResult Size = getDerived().TransformExpr(T->getSizeExpr()); |
| 2184 | if (Size.isInvalid()) |
| 2185 | return QualType(); |
| 2186 | |
| 2187 | if (!getDerived().AlwaysRebuild() && |
| 2188 | ElementType == T->getElementType() && |
| 2189 | Size.get() == T->getSizeExpr()) { |
| 2190 | Size.take(); |
| 2191 | return QualType(T, 0); |
| 2192 | } |
| 2193 | |
| 2194 | return getDerived().RebuildDependentSizedArrayType(ElementType, |
| 2195 | T->getSizeModifier(), |
| 2196 | move(Size), |
| 2197 | T->getIndexTypeQualifier(), |
| 2198 | T->getBracketsRange()); |
| 2199 | } |
| 2200 | |
| 2201 | template<typename Derived> |
| 2202 | QualType TreeTransform<Derived>::TransformDependentSizedExtVectorType( |
| 2203 | const DependentSizedExtVectorType *T) { |
| 2204 | QualType ElementType = getDerived().TransformType(T->getElementType()); |
| 2205 | if (ElementType.isNull()) |
| 2206 | return QualType(); |
| 2207 | |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 2208 | // Vector sizes are not potentially evaluated contexts |
| 2209 | EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); |
| 2210 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2211 | Sema::OwningExprResult Size = getDerived().TransformExpr(T->getSizeExpr()); |
| 2212 | if (Size.isInvalid()) |
| 2213 | return QualType(); |
| 2214 | |
| 2215 | if (!getDerived().AlwaysRebuild() && |
| 2216 | ElementType == T->getElementType() && |
| 2217 | Size.get() == T->getSizeExpr()) { |
| 2218 | Size.take(); |
| 2219 | return QualType(T, 0); |
| 2220 | } |
| 2221 | |
| 2222 | return getDerived().RebuildDependentSizedExtVectorType(ElementType, |
| 2223 | move(Size), |
| 2224 | T->getAttributeLoc()); |
| 2225 | } |
| 2226 | |
| 2227 | template<typename Derived> |
| 2228 | QualType TreeTransform<Derived>::TransformVectorType(const VectorType *T) { |
| 2229 | QualType ElementType = getDerived().TransformType(T->getElementType()); |
| 2230 | if (ElementType.isNull()) |
| 2231 | return QualType(); |
| 2232 | |
| 2233 | if (!getDerived().AlwaysRebuild() && |
| 2234 | ElementType == T->getElementType()) |
| 2235 | return QualType(T, 0); |
| 2236 | |
| 2237 | return getDerived().RebuildVectorType(ElementType, T->getNumElements()); |
| 2238 | } |
| 2239 | |
| 2240 | template<typename Derived> |
| 2241 | QualType |
| 2242 | TreeTransform<Derived>::TransformExtVectorType(const ExtVectorType *T) { |
| 2243 | QualType ElementType = getDerived().TransformType(T->getElementType()); |
| 2244 | if (ElementType.isNull()) |
| 2245 | return QualType(); |
| 2246 | |
| 2247 | if (!getDerived().AlwaysRebuild() && |
| 2248 | ElementType == T->getElementType()) |
| 2249 | return QualType(T, 0); |
| 2250 | |
| 2251 | return getDerived().RebuildExtVectorType(ElementType, T->getNumElements(), |
| 2252 | /*FIXME*/SourceLocation()); |
| 2253 | } |
| 2254 | |
| 2255 | template<typename Derived> |
| 2256 | QualType TreeTransform<Derived>::TransformFunctionProtoType( |
| 2257 | const FunctionProtoType *T) { |
| 2258 | QualType ResultType = getDerived().TransformType(T->getResultType()); |
| 2259 | if (ResultType.isNull()) |
| 2260 | return QualType(); |
| 2261 | |
| 2262 | llvm::SmallVector<QualType, 4> ParamTypes; |
| 2263 | for (FunctionProtoType::arg_type_iterator Param = T->arg_type_begin(), |
| 2264 | ParamEnd = T->arg_type_end(); |
| 2265 | Param != ParamEnd; ++Param) { |
| 2266 | QualType P = getDerived().TransformType(*Param); |
| 2267 | if (P.isNull()) |
| 2268 | return QualType(); |
| 2269 | |
| 2270 | ParamTypes.push_back(P); |
| 2271 | } |
| 2272 | |
| 2273 | if (!getDerived().AlwaysRebuild() && |
| 2274 | ResultType == T->getResultType() && |
| 2275 | std::equal(T->arg_type_begin(), T->arg_type_end(), ParamTypes.begin())) |
| 2276 | return QualType(T, 0); |
| 2277 | |
| 2278 | return getDerived().RebuildFunctionProtoType(ResultType, ParamTypes.data(), |
| 2279 | ParamTypes.size(), T->isVariadic(), |
| 2280 | T->getTypeQuals()); |
| 2281 | } |
| 2282 | |
| 2283 | template<typename Derived> |
| 2284 | QualType TreeTransform<Derived>::TransformFunctionNoProtoType( |
| 2285 | const FunctionNoProtoType *T) { |
| 2286 | // FIXME: Implement |
| 2287 | return QualType(T, 0); |
| 2288 | } |
| 2289 | |
| 2290 | template<typename Derived> |
| 2291 | QualType TreeTransform<Derived>::TransformTypedefType(const TypedefType *T) { |
| 2292 | TypedefDecl *Typedef |
| 2293 | = cast_or_null<TypedefDecl>(getDerived().TransformDecl(T->getDecl())); |
| 2294 | if (!Typedef) |
| 2295 | return QualType(); |
| 2296 | |
| 2297 | if (!getDerived().AlwaysRebuild() && |
| 2298 | Typedef == T->getDecl()) |
| 2299 | return QualType(T, 0); |
| 2300 | |
| 2301 | return getDerived().RebuildTypedefType(Typedef); |
| 2302 | } |
| 2303 | |
| 2304 | template<typename Derived> |
| 2305 | QualType TreeTransform<Derived>::TransformTypeOfExprType( |
| 2306 | const TypeOfExprType *T) { |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 2307 | // typeof expressions are not potentially evaluated contexts |
| 2308 | EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); |
| 2309 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2310 | Sema::OwningExprResult E = getDerived().TransformExpr(T->getUnderlyingExpr()); |
| 2311 | if (E.isInvalid()) |
| 2312 | return QualType(); |
| 2313 | |
| 2314 | if (!getDerived().AlwaysRebuild() && |
| 2315 | E.get() == T->getUnderlyingExpr()) { |
| 2316 | E.take(); |
| 2317 | return QualType(T, 0); |
| 2318 | } |
| 2319 | |
| 2320 | return getDerived().RebuildTypeOfExprType(move(E)); |
| 2321 | } |
| 2322 | |
| 2323 | template<typename Derived> |
| 2324 | QualType TreeTransform<Derived>::TransformTypeOfType(const TypeOfType *T) { |
| 2325 | QualType Underlying = getDerived().TransformType(T->getUnderlyingType()); |
| 2326 | if (Underlying.isNull()) |
| 2327 | return QualType(); |
| 2328 | |
| 2329 | if (!getDerived().AlwaysRebuild() && |
| 2330 | Underlying == T->getUnderlyingType()) |
| 2331 | return QualType(T, 0); |
| 2332 | |
| 2333 | return getDerived().RebuildTypeOfType(Underlying); |
| 2334 | } |
| 2335 | |
| 2336 | template<typename Derived> |
| 2337 | QualType TreeTransform<Derived>::TransformDecltypeType(const DecltypeType *T) { |
Douglas Gregor | 670444e | 2009-08-04 22:27:00 +0000 | [diff] [blame] | 2338 | // decltype expressions are not potentially evaluated contexts |
| 2339 | EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); |
| 2340 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2341 | Sema::OwningExprResult E = getDerived().TransformExpr(T->getUnderlyingExpr()); |
| 2342 | if (E.isInvalid()) |
| 2343 | return QualType(); |
| 2344 | |
| 2345 | if (!getDerived().AlwaysRebuild() && |
| 2346 | E.get() == T->getUnderlyingExpr()) { |
| 2347 | E.take(); |
| 2348 | return QualType(T, 0); |
| 2349 | } |
| 2350 | |
| 2351 | return getDerived().RebuildDecltypeType(move(E)); |
| 2352 | } |
| 2353 | |
| 2354 | template<typename Derived> |
| 2355 | QualType TreeTransform<Derived>::TransformRecordType(const RecordType *T) { |
| 2356 | RecordDecl *Record |
| 2357 | = cast_or_null<RecordDecl>(getDerived().TransformDecl(T->getDecl())); |
| 2358 | if (!Record) |
| 2359 | return QualType(); |
| 2360 | |
| 2361 | if (!getDerived().AlwaysRebuild() && |
| 2362 | Record == T->getDecl()) |
| 2363 | return QualType(T, 0); |
| 2364 | |
| 2365 | return getDerived().RebuildRecordType(Record); |
| 2366 | } |
| 2367 | |
| 2368 | template<typename Derived> |
| 2369 | QualType TreeTransform<Derived>::TransformEnumType(const EnumType *T) { |
| 2370 | EnumDecl *Enum |
| 2371 | = cast_or_null<EnumDecl>(getDerived().TransformDecl(T->getDecl())); |
| 2372 | if (!Enum) |
| 2373 | return QualType(); |
| 2374 | |
| 2375 | if (!getDerived().AlwaysRebuild() && |
| 2376 | Enum == T->getDecl()) |
| 2377 | return QualType(T, 0); |
| 2378 | |
| 2379 | return getDerived().RebuildEnumType(Enum); |
| 2380 | } |
John McCall | 7da2431 | 2009-09-05 00:15:47 +0000 | [diff] [blame] | 2381 | |
| 2382 | template <typename Derived> |
| 2383 | QualType TreeTransform<Derived>::TransformElaboratedType( |
| 2384 | const ElaboratedType *T) { |
| 2385 | QualType Underlying = getDerived().TransformType(T->getUnderlyingType()); |
| 2386 | if (Underlying.isNull()) |
| 2387 | return QualType(); |
| 2388 | |
| 2389 | if (!getDerived().AlwaysRebuild() && |
| 2390 | Underlying == T->getUnderlyingType()) |
| 2391 | return QualType(T, 0); |
| 2392 | |
| 2393 | return getDerived().RebuildElaboratedType(Underlying, T->getTagKind()); |
| 2394 | } |
| 2395 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2396 | |
| 2397 | template<typename Derived> |
| 2398 | QualType TreeTransform<Derived>::TransformTemplateTypeParmType( |
| 2399 | const TemplateTypeParmType *T) { |
| 2400 | // Nothing to do |
| 2401 | return QualType(T, 0); |
| 2402 | } |
| 2403 | |
| 2404 | template<typename Derived> |
| 2405 | QualType TreeTransform<Derived>::TransformTemplateSpecializationType( |
| 2406 | const TemplateSpecializationType *T) { |
| 2407 | TemplateName Template |
| 2408 | = getDerived().TransformTemplateName(T->getTemplateName()); |
| 2409 | if (Template.isNull()) |
| 2410 | return QualType(); |
| 2411 | |
| 2412 | llvm::SmallVector<TemplateArgument, 4> NewTemplateArgs; |
| 2413 | NewTemplateArgs.reserve(T->getNumArgs()); |
| 2414 | for (TemplateSpecializationType::iterator Arg = T->begin(), ArgEnd = T->end(); |
| 2415 | Arg != ArgEnd; ++Arg) { |
| 2416 | TemplateArgument NewArg = getDerived().TransformTemplateArgument(*Arg); |
| 2417 | if (NewArg.isNull()) |
| 2418 | return QualType(); |
| 2419 | |
| 2420 | NewTemplateArgs.push_back(NewArg); |
| 2421 | } |
| 2422 | |
| 2423 | // FIXME: early abort if all of the template arguments and such are the |
| 2424 | // same. |
| 2425 | |
| 2426 | // FIXME: We're missing the locations of the template name, '<', and '>'. |
| 2427 | return getDerived().RebuildTemplateSpecializationType(Template, |
| 2428 | NewTemplateArgs.data(), |
| 2429 | NewTemplateArgs.size()); |
| 2430 | } |
| 2431 | |
| 2432 | template<typename Derived> |
| 2433 | QualType TreeTransform<Derived>::TransformQualifiedNameType( |
| 2434 | const QualifiedNameType *T) { |
| 2435 | NestedNameSpecifier *NNS |
| 2436 | = getDerived().TransformNestedNameSpecifier(T->getQualifier(), |
| 2437 | SourceRange()); |
| 2438 | if (!NNS) |
| 2439 | return QualType(); |
| 2440 | |
| 2441 | QualType Named = getDerived().TransformType(T->getNamedType()); |
| 2442 | if (Named.isNull()) |
| 2443 | return QualType(); |
| 2444 | |
| 2445 | if (!getDerived().AlwaysRebuild() && |
| 2446 | NNS == T->getQualifier() && |
| 2447 | Named == T->getNamedType()) |
| 2448 | return QualType(T, 0); |
| 2449 | |
| 2450 | return getDerived().RebuildQualifiedNameType(NNS, Named); |
| 2451 | } |
| 2452 | |
| 2453 | template<typename Derived> |
| 2454 | QualType TreeTransform<Derived>::TransformTypenameType(const TypenameType *T) { |
| 2455 | NestedNameSpecifier *NNS |
| 2456 | = getDerived().TransformNestedNameSpecifier(T->getQualifier(), |
Douglas Gregor | 4a959d8 | 2009-08-06 16:20:37 +0000 | [diff] [blame] | 2457 | SourceRange(/*FIXME:*/getDerived().getBaseLocation())); |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 2458 | if (!NNS) |
| 2459 | return QualType(); |
| 2460 | |
| 2461 | if (const TemplateSpecializationType *TemplateId = T->getTemplateId()) { |
| 2462 | QualType NewTemplateId |
| 2463 | = getDerived().TransformType(QualType(TemplateId, 0)); |
| 2464 | if (NewTemplateId.isNull()) |
| 2465 | return QualType(); |
| 2466 | |
| 2467 | if (!getDerived().AlwaysRebuild() && |
| 2468 | NNS == T->getQualifier() && |
| 2469 | NewTemplateId == QualType(TemplateId, 0)) |
| 2470 | return QualType(T, 0); |
| 2471 | |
| 2472 | return getDerived().RebuildTypenameType(NNS, NewTemplateId); |
| 2473 | } |
| 2474 | |
| 2475 | return getDerived().RebuildTypenameType(NNS, T->getIdentifier()); |
| 2476 | } |
| 2477 | |
| 2478 | template<typename Derived> |
| 2479 | QualType TreeTransform<Derived>::TransformObjCInterfaceType( |
| 2480 | const ObjCInterfaceType *T) { |
| 2481 | // FIXME: Implement |
| 2482 | return QualType(T, 0); |
| 2483 | } |
| 2484 | |
| 2485 | template<typename Derived> |
| 2486 | QualType TreeTransform<Derived>::TransformObjCObjectPointerType( |
| 2487 | const ObjCObjectPointerType *T) { |
| 2488 | // FIXME: Implement |
| 2489 | return QualType(T, 0); |
| 2490 | } |
| 2491 | |
| 2492 | //===----------------------------------------------------------------------===// |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 2493 | // Statement transformation |
| 2494 | //===----------------------------------------------------------------------===// |
| 2495 | template<typename Derived> |
| 2496 | Sema::OwningStmtResult |
| 2497 | TreeTransform<Derived>::TransformNullStmt(NullStmt *S) { |
| 2498 | return SemaRef.Owned(S->Retain()); |
| 2499 | } |
| 2500 | |
| 2501 | template<typename Derived> |
| 2502 | Sema::OwningStmtResult |
| 2503 | TreeTransform<Derived>::TransformCompoundStmt(CompoundStmt *S) { |
| 2504 | return getDerived().TransformCompoundStmt(S, false); |
| 2505 | } |
| 2506 | |
| 2507 | template<typename Derived> |
| 2508 | Sema::OwningStmtResult |
| 2509 | TreeTransform<Derived>::TransformCompoundStmt(CompoundStmt *S, |
| 2510 | bool IsStmtExpr) { |
| 2511 | bool SubStmtChanged = false; |
| 2512 | ASTOwningVector<&ActionBase::DeleteStmt> Statements(getSema()); |
| 2513 | for (CompoundStmt::body_iterator B = S->body_begin(), BEnd = S->body_end(); |
| 2514 | B != BEnd; ++B) { |
| 2515 | OwningStmtResult Result = getDerived().TransformStmt(*B); |
| 2516 | if (Result.isInvalid()) |
| 2517 | return getSema().StmtError(); |
| 2518 | |
| 2519 | SubStmtChanged = SubStmtChanged || Result.get() != *B; |
| 2520 | Statements.push_back(Result.takeAs<Stmt>()); |
| 2521 | } |
| 2522 | |
| 2523 | if (!getDerived().AlwaysRebuild() && |
| 2524 | !SubStmtChanged) |
| 2525 | return SemaRef.Owned(S->Retain()); |
| 2526 | |
| 2527 | return getDerived().RebuildCompoundStmt(S->getLBracLoc(), |
| 2528 | move_arg(Statements), |
| 2529 | S->getRBracLoc(), |
| 2530 | IsStmtExpr); |
| 2531 | } |
| 2532 | |
| 2533 | template<typename Derived> |
| 2534 | Sema::OwningStmtResult |
| 2535 | TreeTransform<Derived>::TransformCaseStmt(CaseStmt *S) { |
| 2536 | // The case value expressions are not potentially evaluated. |
| 2537 | EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); |
| 2538 | |
| 2539 | // Transform the left-hand case value. |
| 2540 | OwningExprResult LHS = getDerived().TransformExpr(S->getLHS()); |
| 2541 | if (LHS.isInvalid()) |
| 2542 | return SemaRef.StmtError(); |
| 2543 | |
| 2544 | // Transform the right-hand case value (for the GNU case-range extension). |
| 2545 | OwningExprResult RHS = getDerived().TransformExpr(S->getRHS()); |
| 2546 | if (RHS.isInvalid()) |
| 2547 | return SemaRef.StmtError(); |
| 2548 | |
| 2549 | // Build the case statement. |
| 2550 | // Case statements are always rebuilt so that they will attached to their |
| 2551 | // transformed switch statement. |
| 2552 | OwningStmtResult Case = getDerived().RebuildCaseStmt(S->getCaseLoc(), |
| 2553 | move(LHS), |
| 2554 | S->getEllipsisLoc(), |
| 2555 | move(RHS), |
| 2556 | S->getColonLoc()); |
| 2557 | if (Case.isInvalid()) |
| 2558 | return SemaRef.StmtError(); |
| 2559 | |
| 2560 | // Transform the statement following the case |
| 2561 | OwningStmtResult SubStmt = getDerived().TransformStmt(S->getSubStmt()); |
| 2562 | if (SubStmt.isInvalid()) |
| 2563 | return SemaRef.StmtError(); |
| 2564 | |
| 2565 | // Attach the body to the case statement |
| 2566 | return getDerived().RebuildCaseStmtBody(move(Case), move(SubStmt)); |
| 2567 | } |
| 2568 | |
| 2569 | template<typename Derived> |
| 2570 | Sema::OwningStmtResult |
| 2571 | TreeTransform<Derived>::TransformDefaultStmt(DefaultStmt *S) { |
| 2572 | // Transform the statement following the default case |
| 2573 | OwningStmtResult SubStmt = getDerived().TransformStmt(S->getSubStmt()); |
| 2574 | if (SubStmt.isInvalid()) |
| 2575 | return SemaRef.StmtError(); |
| 2576 | |
| 2577 | // Default statements are always rebuilt |
| 2578 | return getDerived().RebuildDefaultStmt(S->getDefaultLoc(), S->getColonLoc(), |
| 2579 | move(SubStmt)); |
| 2580 | } |
| 2581 | |
| 2582 | template<typename Derived> |
| 2583 | Sema::OwningStmtResult |
| 2584 | TreeTransform<Derived>::TransformLabelStmt(LabelStmt *S) { |
| 2585 | OwningStmtResult SubStmt = getDerived().TransformStmt(S->getSubStmt()); |
| 2586 | if (SubStmt.isInvalid()) |
| 2587 | return SemaRef.StmtError(); |
| 2588 | |
| 2589 | // FIXME: Pass the real colon location in. |
| 2590 | SourceLocation ColonLoc = SemaRef.PP.getLocForEndOfToken(S->getIdentLoc()); |
| 2591 | return getDerived().RebuildLabelStmt(S->getIdentLoc(), S->getID(), ColonLoc, |
| 2592 | move(SubStmt)); |
| 2593 | } |
| 2594 | |
| 2595 | template<typename Derived> |
| 2596 | Sema::OwningStmtResult |
| 2597 | TreeTransform<Derived>::TransformIfStmt(IfStmt *S) { |
| 2598 | // Transform the condition |
| 2599 | OwningExprResult Cond = getDerived().TransformExpr(S->getCond()); |
| 2600 | if (Cond.isInvalid()) |
| 2601 | return SemaRef.StmtError(); |
| 2602 | |
| 2603 | Sema::FullExprArg FullCond(getSema().FullExpr(Cond)); |
| 2604 | |
| 2605 | // Transform the "then" branch. |
| 2606 | OwningStmtResult Then = getDerived().TransformStmt(S->getThen()); |
| 2607 | if (Then.isInvalid()) |
| 2608 | return SemaRef.StmtError(); |
| 2609 | |
| 2610 | // Transform the "else" branch. |
| 2611 | OwningStmtResult Else = getDerived().TransformStmt(S->getElse()); |
| 2612 | if (Else.isInvalid()) |
| 2613 | return SemaRef.StmtError(); |
| 2614 | |
| 2615 | if (!getDerived().AlwaysRebuild() && |
| 2616 | FullCond->get() == S->getCond() && |
| 2617 | Then.get() == S->getThen() && |
| 2618 | Else.get() == S->getElse()) |
| 2619 | return SemaRef.Owned(S->Retain()); |
| 2620 | |
| 2621 | return getDerived().RebuildIfStmt(S->getIfLoc(), FullCond, move(Then), |
| 2622 | S->getElseLoc(), move(Else)); |
| 2623 | } |
| 2624 | |
| 2625 | template<typename Derived> |
| 2626 | Sema::OwningStmtResult |
| 2627 | TreeTransform<Derived>::TransformSwitchStmt(SwitchStmt *S) { |
| 2628 | // Transform the condition. |
| 2629 | OwningExprResult Cond = getDerived().TransformExpr(S->getCond()); |
| 2630 | if (Cond.isInvalid()) |
| 2631 | return SemaRef.StmtError(); |
| 2632 | |
| 2633 | // Rebuild the switch statement. |
| 2634 | OwningStmtResult Switch = getDerived().RebuildSwitchStmtStart(move(Cond)); |
| 2635 | if (Switch.isInvalid()) |
| 2636 | return SemaRef.StmtError(); |
| 2637 | |
| 2638 | // Transform the body of the switch statement. |
| 2639 | OwningStmtResult Body = getDerived().TransformStmt(S->getBody()); |
| 2640 | if (Body.isInvalid()) |
| 2641 | return SemaRef.StmtError(); |
| 2642 | |
| 2643 | // Complete the switch statement. |
| 2644 | return getDerived().RebuildSwitchStmtBody(S->getSwitchLoc(), move(Switch), |
| 2645 | move(Body)); |
| 2646 | } |
| 2647 | |
| 2648 | template<typename Derived> |
| 2649 | Sema::OwningStmtResult |
| 2650 | TreeTransform<Derived>::TransformWhileStmt(WhileStmt *S) { |
| 2651 | // Transform the condition |
| 2652 | OwningExprResult Cond = getDerived().TransformExpr(S->getCond()); |
| 2653 | if (Cond.isInvalid()) |
| 2654 | return SemaRef.StmtError(); |
| 2655 | |
| 2656 | Sema::FullExprArg FullCond(getSema().FullExpr(Cond)); |
| 2657 | |
| 2658 | // Transform the body |
| 2659 | OwningStmtResult Body = getDerived().TransformStmt(S->getBody()); |
| 2660 | if (Body.isInvalid()) |
| 2661 | return SemaRef.StmtError(); |
| 2662 | |
| 2663 | if (!getDerived().AlwaysRebuild() && |
| 2664 | FullCond->get() == S->getCond() && |
| 2665 | Body.get() == S->getBody()) |
| 2666 | return SemaRef.Owned(S->Retain()); |
| 2667 | |
| 2668 | return getDerived().RebuildWhileStmt(S->getWhileLoc(), FullCond, move(Body)); |
| 2669 | } |
| 2670 | |
| 2671 | template<typename Derived> |
| 2672 | Sema::OwningStmtResult |
| 2673 | TreeTransform<Derived>::TransformDoStmt(DoStmt *S) { |
| 2674 | // Transform the condition |
| 2675 | OwningExprResult Cond = getDerived().TransformExpr(S->getCond()); |
| 2676 | if (Cond.isInvalid()) |
| 2677 | return SemaRef.StmtError(); |
| 2678 | |
| 2679 | // Transform the body |
| 2680 | OwningStmtResult Body = getDerived().TransformStmt(S->getBody()); |
| 2681 | if (Body.isInvalid()) |
| 2682 | return SemaRef.StmtError(); |
| 2683 | |
| 2684 | if (!getDerived().AlwaysRebuild() && |
| 2685 | Cond.get() == S->getCond() && |
| 2686 | Body.get() == S->getBody()) |
| 2687 | return SemaRef.Owned(S->Retain()); |
| 2688 | |
| 2689 | return getDerived().RebuildDoStmt(S->getDoLoc(), move(Body), S->getWhileLoc(), |
| 2690 | /*FIXME:*/S->getWhileLoc(), move(Cond), |
| 2691 | S->getRParenLoc()); |
| 2692 | } |
| 2693 | |
| 2694 | template<typename Derived> |
| 2695 | Sema::OwningStmtResult |
| 2696 | TreeTransform<Derived>::TransformForStmt(ForStmt *S) { |
| 2697 | // Transform the initialization statement |
| 2698 | OwningStmtResult Init = getDerived().TransformStmt(S->getInit()); |
| 2699 | if (Init.isInvalid()) |
| 2700 | return SemaRef.StmtError(); |
| 2701 | |
| 2702 | // Transform the condition |
| 2703 | OwningExprResult Cond = getDerived().TransformExpr(S->getCond()); |
| 2704 | if (Cond.isInvalid()) |
| 2705 | return SemaRef.StmtError(); |
| 2706 | |
| 2707 | // Transform the increment |
| 2708 | OwningExprResult Inc = getDerived().TransformExpr(S->getInc()); |
| 2709 | if (Inc.isInvalid()) |
| 2710 | return SemaRef.StmtError(); |
| 2711 | |
| 2712 | // Transform the body |
| 2713 | OwningStmtResult Body = getDerived().TransformStmt(S->getBody()); |
| 2714 | if (Body.isInvalid()) |
| 2715 | return SemaRef.StmtError(); |
| 2716 | |
| 2717 | if (!getDerived().AlwaysRebuild() && |
| 2718 | Init.get() == S->getInit() && |
| 2719 | Cond.get() == S->getCond() && |
| 2720 | Inc.get() == S->getInc() && |
| 2721 | Body.get() == S->getBody()) |
| 2722 | return SemaRef.Owned(S->Retain()); |
| 2723 | |
| 2724 | return getDerived().RebuildForStmt(S->getForLoc(), S->getLParenLoc(), |
| 2725 | move(Init), move(Cond), move(Inc), |
| 2726 | S->getRParenLoc(), move(Body)); |
| 2727 | } |
| 2728 | |
| 2729 | template<typename Derived> |
| 2730 | Sema::OwningStmtResult |
| 2731 | TreeTransform<Derived>::TransformGotoStmt(GotoStmt *S) { |
| 2732 | // Goto statements must always be rebuilt, to resolve the label. |
| 2733 | return getDerived().RebuildGotoStmt(S->getGotoLoc(), S->getLabelLoc(), |
| 2734 | S->getLabel()); |
| 2735 | } |
| 2736 | |
| 2737 | template<typename Derived> |
| 2738 | Sema::OwningStmtResult |
| 2739 | TreeTransform<Derived>::TransformIndirectGotoStmt(IndirectGotoStmt *S) { |
| 2740 | OwningExprResult Target = getDerived().TransformExpr(S->getTarget()); |
| 2741 | if (Target.isInvalid()) |
| 2742 | return SemaRef.StmtError(); |
| 2743 | |
| 2744 | if (!getDerived().AlwaysRebuild() && |
| 2745 | Target.get() == S->getTarget()) |
| 2746 | return SemaRef.Owned(S->Retain()); |
| 2747 | |
| 2748 | return getDerived().RebuildIndirectGotoStmt(S->getGotoLoc(), S->getStarLoc(), |
| 2749 | move(Target)); |
| 2750 | } |
| 2751 | |
| 2752 | template<typename Derived> |
| 2753 | Sema::OwningStmtResult |
| 2754 | TreeTransform<Derived>::TransformContinueStmt(ContinueStmt *S) { |
| 2755 | return SemaRef.Owned(S->Retain()); |
| 2756 | } |
| 2757 | |
| 2758 | template<typename Derived> |
| 2759 | Sema::OwningStmtResult |
| 2760 | TreeTransform<Derived>::TransformBreakStmt(BreakStmt *S) { |
| 2761 | return SemaRef.Owned(S->Retain()); |
| 2762 | } |
| 2763 | |
| 2764 | template<typename Derived> |
| 2765 | Sema::OwningStmtResult |
| 2766 | TreeTransform<Derived>::TransformReturnStmt(ReturnStmt *S) { |
| 2767 | Sema::OwningExprResult Result = getDerived().TransformExpr(S->getRetValue()); |
| 2768 | if (Result.isInvalid()) |
| 2769 | return SemaRef.StmtError(); |
| 2770 | |
| 2771 | // FIXME: We always rebuild the return statement because there is no way |
| 2772 | // to tell whether the return type of the function has changed. |
| 2773 | return getDerived().RebuildReturnStmt(S->getReturnLoc(), move(Result)); |
| 2774 | } |
| 2775 | |
| 2776 | template<typename Derived> |
| 2777 | Sema::OwningStmtResult |
| 2778 | TreeTransform<Derived>::TransformDeclStmt(DeclStmt *S) { |
| 2779 | bool DeclChanged = false; |
| 2780 | llvm::SmallVector<Decl *, 4> Decls; |
| 2781 | for (DeclStmt::decl_iterator D = S->decl_begin(), DEnd = S->decl_end(); |
| 2782 | D != DEnd; ++D) { |
| 2783 | Decl *Transformed = getDerived().TransformDefinition(*D); |
| 2784 | if (!Transformed) |
| 2785 | return SemaRef.StmtError(); |
| 2786 | |
| 2787 | if (Transformed != *D) |
| 2788 | DeclChanged = true; |
| 2789 | |
| 2790 | Decls.push_back(Transformed); |
| 2791 | } |
| 2792 | |
| 2793 | if (!getDerived().AlwaysRebuild() && !DeclChanged) |
| 2794 | return SemaRef.Owned(S->Retain()); |
| 2795 | |
| 2796 | return getDerived().RebuildDeclStmt(Decls.data(), Decls.size(), |
| 2797 | S->getStartLoc(), S->getEndLoc()); |
| 2798 | } |
| 2799 | |
| 2800 | template<typename Derived> |
| 2801 | Sema::OwningStmtResult |
| 2802 | TreeTransform<Derived>::TransformSwitchCase(SwitchCase *S) { |
| 2803 | assert(false && "SwitchCase is abstract and cannot be transformed"); |
| 2804 | return SemaRef.Owned(S->Retain()); |
| 2805 | } |
| 2806 | |
| 2807 | template<typename Derived> |
| 2808 | Sema::OwningStmtResult |
| 2809 | TreeTransform<Derived>::TransformAsmStmt(AsmStmt *S) { |
| 2810 | // FIXME: Implement! |
| 2811 | assert(false && "Inline assembly cannot be transformed"); |
| 2812 | return SemaRef.Owned(S->Retain()); |
| 2813 | } |
| 2814 | |
| 2815 | |
| 2816 | template<typename Derived> |
| 2817 | Sema::OwningStmtResult |
| 2818 | TreeTransform<Derived>::TransformObjCAtTryStmt(ObjCAtTryStmt *S) { |
| 2819 | // FIXME: Implement this |
| 2820 | assert(false && "Cannot transform an Objective-C @try statement"); |
| 2821 | return SemaRef.Owned(S->Retain()); |
| 2822 | } |
| 2823 | |
| 2824 | template<typename Derived> |
| 2825 | Sema::OwningStmtResult |
| 2826 | TreeTransform<Derived>::TransformObjCAtCatchStmt(ObjCAtCatchStmt *S) { |
| 2827 | // FIXME: Implement this |
| 2828 | assert(false && "Cannot transform an Objective-C @catch statement"); |
| 2829 | return SemaRef.Owned(S->Retain()); |
| 2830 | } |
| 2831 | |
| 2832 | template<typename Derived> |
| 2833 | Sema::OwningStmtResult |
| 2834 | TreeTransform<Derived>::TransformObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { |
| 2835 | // FIXME: Implement this |
| 2836 | assert(false && "Cannot transform an Objective-C @finally statement"); |
| 2837 | return SemaRef.Owned(S->Retain()); |
| 2838 | } |
| 2839 | |
| 2840 | template<typename Derived> |
| 2841 | Sema::OwningStmtResult |
| 2842 | TreeTransform<Derived>::TransformObjCAtThrowStmt(ObjCAtThrowStmt *S) { |
| 2843 | // FIXME: Implement this |
| 2844 | assert(false && "Cannot transform an Objective-C @throw statement"); |
| 2845 | return SemaRef.Owned(S->Retain()); |
| 2846 | } |
| 2847 | |
| 2848 | template<typename Derived> |
| 2849 | Sema::OwningStmtResult |
| 2850 | TreeTransform<Derived>::TransformObjCAtSynchronizedStmt( |
| 2851 | ObjCAtSynchronizedStmt *S) { |
| 2852 | // FIXME: Implement this |
| 2853 | assert(false && "Cannot transform an Objective-C @synchronized statement"); |
| 2854 | return SemaRef.Owned(S->Retain()); |
| 2855 | } |
| 2856 | |
| 2857 | template<typename Derived> |
| 2858 | Sema::OwningStmtResult |
| 2859 | TreeTransform<Derived>::TransformObjCForCollectionStmt( |
| 2860 | ObjCForCollectionStmt *S) { |
| 2861 | // FIXME: Implement this |
| 2862 | assert(false && "Cannot transform an Objective-C for-each statement"); |
| 2863 | return SemaRef.Owned(S->Retain()); |
| 2864 | } |
| 2865 | |
| 2866 | |
| 2867 | template<typename Derived> |
| 2868 | Sema::OwningStmtResult |
| 2869 | TreeTransform<Derived>::TransformCXXCatchStmt(CXXCatchStmt *S) { |
| 2870 | // Transform the exception declaration, if any. |
| 2871 | VarDecl *Var = 0; |
| 2872 | if (S->getExceptionDecl()) { |
| 2873 | VarDecl *ExceptionDecl = S->getExceptionDecl(); |
| 2874 | TemporaryBase Rebase(*this, ExceptionDecl->getLocation(), |
| 2875 | ExceptionDecl->getDeclName()); |
| 2876 | |
| 2877 | QualType T = getDerived().TransformType(ExceptionDecl->getType()); |
| 2878 | if (T.isNull()) |
| 2879 | return SemaRef.StmtError(); |
| 2880 | |
| 2881 | Var = getDerived().RebuildExceptionDecl(ExceptionDecl, |
| 2882 | T, |
| 2883 | ExceptionDecl->getDeclaratorInfo(), |
| 2884 | ExceptionDecl->getIdentifier(), |
| 2885 | ExceptionDecl->getLocation(), |
| 2886 | /*FIXME: Inaccurate*/ |
| 2887 | SourceRange(ExceptionDecl->getLocation())); |
| 2888 | if (!Var || Var->isInvalidDecl()) { |
| 2889 | if (Var) |
| 2890 | Var->Destroy(SemaRef.Context); |
| 2891 | return SemaRef.StmtError(); |
| 2892 | } |
| 2893 | } |
| 2894 | |
| 2895 | // Transform the actual exception handler. |
| 2896 | OwningStmtResult Handler = getDerived().TransformStmt(S->getHandlerBlock()); |
| 2897 | if (Handler.isInvalid()) { |
| 2898 | if (Var) |
| 2899 | Var->Destroy(SemaRef.Context); |
| 2900 | return SemaRef.StmtError(); |
| 2901 | } |
| 2902 | |
| 2903 | if (!getDerived().AlwaysRebuild() && |
| 2904 | !Var && |
| 2905 | Handler.get() == S->getHandlerBlock()) |
| 2906 | return SemaRef.Owned(S->Retain()); |
| 2907 | |
| 2908 | return getDerived().RebuildCXXCatchStmt(S->getCatchLoc(), |
| 2909 | Var, |
| 2910 | move(Handler)); |
| 2911 | } |
| 2912 | |
| 2913 | template<typename Derived> |
| 2914 | Sema::OwningStmtResult |
| 2915 | TreeTransform<Derived>::TransformCXXTryStmt(CXXTryStmt *S) { |
| 2916 | // Transform the try block itself. |
| 2917 | OwningStmtResult TryBlock |
| 2918 | = getDerived().TransformCompoundStmt(S->getTryBlock()); |
| 2919 | if (TryBlock.isInvalid()) |
| 2920 | return SemaRef.StmtError(); |
| 2921 | |
| 2922 | // Transform the handlers. |
| 2923 | bool HandlerChanged = false; |
| 2924 | ASTOwningVector<&ActionBase::DeleteStmt> Handlers(SemaRef); |
| 2925 | for (unsigned I = 0, N = S->getNumHandlers(); I != N; ++I) { |
| 2926 | OwningStmtResult Handler |
| 2927 | = getDerived().TransformCXXCatchStmt(S->getHandler(I)); |
| 2928 | if (Handler.isInvalid()) |
| 2929 | return SemaRef.StmtError(); |
| 2930 | |
| 2931 | HandlerChanged = HandlerChanged || Handler.get() != S->getHandler(I); |
| 2932 | Handlers.push_back(Handler.takeAs<Stmt>()); |
| 2933 | } |
| 2934 | |
| 2935 | if (!getDerived().AlwaysRebuild() && |
| 2936 | TryBlock.get() == S->getTryBlock() && |
| 2937 | !HandlerChanged) |
| 2938 | return SemaRef.Owned(S->Retain()); |
| 2939 | |
| 2940 | return getDerived().RebuildCXXTryStmt(S->getTryLoc(), move(TryBlock), |
| 2941 | move_arg(Handlers)); |
| 2942 | } |
| 2943 | |
| 2944 | //===----------------------------------------------------------------------===// |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 2945 | // Expression transformation |
| 2946 | //===----------------------------------------------------------------------===// |
| 2947 | template<typename Derived> |
| 2948 | Sema::OwningExprResult |
| 2949 | TreeTransform<Derived>::TransformPredefinedExpr(PredefinedExpr *E) { |
| 2950 | return SemaRef.Owned(E->Retain()); |
| 2951 | } |
| 2952 | |
| 2953 | template<typename Derived> |
| 2954 | Sema::OwningExprResult |
| 2955 | TreeTransform<Derived>::TransformDeclRefExpr(DeclRefExpr *E) { |
| 2956 | NamedDecl *ND |
| 2957 | = dyn_cast_or_null<NamedDecl>(getDerived().TransformDecl(E->getDecl())); |
| 2958 | if (!ND) |
| 2959 | return SemaRef.ExprError(); |
| 2960 | |
| 2961 | if (!getDerived().AlwaysRebuild() && ND == E->getDecl()) |
| 2962 | return SemaRef.Owned(E->Retain()); |
| 2963 | |
| 2964 | return getDerived().RebuildDeclRefExpr(ND, E->getLocation()); |
| 2965 | } |
| 2966 | |
| 2967 | template<typename Derived> |
| 2968 | Sema::OwningExprResult |
| 2969 | TreeTransform<Derived>::TransformIntegerLiteral(IntegerLiteral *E) { |
| 2970 | return SemaRef.Owned(E->Retain()); |
| 2971 | } |
| 2972 | |
| 2973 | template<typename Derived> |
| 2974 | Sema::OwningExprResult |
| 2975 | TreeTransform<Derived>::TransformFloatingLiteral(FloatingLiteral *E) { |
| 2976 | return SemaRef.Owned(E->Retain()); |
| 2977 | } |
| 2978 | |
| 2979 | template<typename Derived> |
| 2980 | Sema::OwningExprResult |
| 2981 | TreeTransform<Derived>::TransformImaginaryLiteral(ImaginaryLiteral *E) { |
| 2982 | return SemaRef.Owned(E->Retain()); |
| 2983 | } |
| 2984 | |
| 2985 | template<typename Derived> |
| 2986 | Sema::OwningExprResult |
| 2987 | TreeTransform<Derived>::TransformStringLiteral(StringLiteral *E) { |
| 2988 | return SemaRef.Owned(E->Retain()); |
| 2989 | } |
| 2990 | |
| 2991 | template<typename Derived> |
| 2992 | Sema::OwningExprResult |
| 2993 | TreeTransform<Derived>::TransformCharacterLiteral(CharacterLiteral *E) { |
| 2994 | return SemaRef.Owned(E->Retain()); |
| 2995 | } |
| 2996 | |
| 2997 | template<typename Derived> |
| 2998 | Sema::OwningExprResult |
| 2999 | TreeTransform<Derived>::TransformParenExpr(ParenExpr *E) { |
| 3000 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 3001 | if (SubExpr.isInvalid()) |
| 3002 | return SemaRef.ExprError(); |
| 3003 | |
| 3004 | if (!getDerived().AlwaysRebuild() && SubExpr.get() == E->getSubExpr()) |
| 3005 | return SemaRef.Owned(E->Retain()); |
| 3006 | |
| 3007 | return getDerived().RebuildParenExpr(move(SubExpr), E->getLParen(), |
| 3008 | E->getRParen()); |
| 3009 | } |
| 3010 | |
| 3011 | template<typename Derived> |
| 3012 | Sema::OwningExprResult |
| 3013 | TreeTransform<Derived>::TransformUnaryOperator(UnaryOperator *E) { |
| 3014 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 3015 | if (SubExpr.isInvalid()) |
| 3016 | return SemaRef.ExprError(); |
| 3017 | |
| 3018 | if (!getDerived().AlwaysRebuild() && SubExpr.get() == E->getSubExpr()) |
| 3019 | return SemaRef.Owned(E->Retain()); |
| 3020 | |
| 3021 | return getDerived().RebuildUnaryOperator(E->getOperatorLoc(), |
| 3022 | E->getOpcode(), |
| 3023 | move(SubExpr)); |
| 3024 | } |
| 3025 | |
| 3026 | template<typename Derived> |
| 3027 | Sema::OwningExprResult |
| 3028 | TreeTransform<Derived>::TransformSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) { |
| 3029 | if (E->isArgumentType()) { |
| 3030 | QualType T = getDerived().TransformType(E->getArgumentType()); |
| 3031 | if (T.isNull()) |
| 3032 | return SemaRef.ExprError(); |
| 3033 | |
| 3034 | if (!getDerived().AlwaysRebuild() && T == E->getArgumentType()) |
| 3035 | return SemaRef.Owned(E->Retain()); |
| 3036 | |
| 3037 | return getDerived().RebuildSizeOfAlignOf(T, E->getOperatorLoc(), |
| 3038 | E->isSizeOf(), |
| 3039 | E->getSourceRange()); |
| 3040 | } |
| 3041 | |
| 3042 | Sema::OwningExprResult SubExpr(SemaRef); |
| 3043 | { |
| 3044 | // C++0x [expr.sizeof]p1: |
| 3045 | // The operand is either an expression, which is an unevaluated operand |
| 3046 | // [...] |
| 3047 | EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); |
| 3048 | |
| 3049 | SubExpr = getDerived().TransformExpr(E->getArgumentExpr()); |
| 3050 | if (SubExpr.isInvalid()) |
| 3051 | return SemaRef.ExprError(); |
| 3052 | |
| 3053 | if (!getDerived().AlwaysRebuild() && SubExpr.get() == E->getArgumentExpr()) |
| 3054 | return SemaRef.Owned(E->Retain()); |
| 3055 | } |
| 3056 | |
| 3057 | return getDerived().RebuildSizeOfAlignOf(move(SubExpr), E->getOperatorLoc(), |
| 3058 | E->isSizeOf(), |
| 3059 | E->getSourceRange()); |
| 3060 | } |
| 3061 | |
| 3062 | template<typename Derived> |
| 3063 | Sema::OwningExprResult |
| 3064 | TreeTransform<Derived>::TransformArraySubscriptExpr(ArraySubscriptExpr *E) { |
| 3065 | OwningExprResult LHS = getDerived().TransformExpr(E->getLHS()); |
| 3066 | if (LHS.isInvalid()) |
| 3067 | return SemaRef.ExprError(); |
| 3068 | |
| 3069 | OwningExprResult RHS = getDerived().TransformExpr(E->getRHS()); |
| 3070 | if (RHS.isInvalid()) |
| 3071 | return SemaRef.ExprError(); |
| 3072 | |
| 3073 | |
| 3074 | if (!getDerived().AlwaysRebuild() && |
| 3075 | LHS.get() == E->getLHS() && |
| 3076 | RHS.get() == E->getRHS()) |
| 3077 | return SemaRef.Owned(E->Retain()); |
| 3078 | |
| 3079 | return getDerived().RebuildArraySubscriptExpr(move(LHS), |
| 3080 | /*FIXME:*/E->getLHS()->getLocStart(), |
| 3081 | move(RHS), |
| 3082 | E->getRBracketLoc()); |
| 3083 | } |
| 3084 | |
| 3085 | template<typename Derived> |
| 3086 | Sema::OwningExprResult |
| 3087 | TreeTransform<Derived>::TransformCallExpr(CallExpr *E) { |
| 3088 | // Transform the callee. |
| 3089 | OwningExprResult Callee = getDerived().TransformExpr(E->getCallee()); |
| 3090 | if (Callee.isInvalid()) |
| 3091 | return SemaRef.ExprError(); |
| 3092 | |
| 3093 | // Transform arguments. |
| 3094 | bool ArgChanged = false; |
| 3095 | ASTOwningVector<&ActionBase::DeleteExpr> Args(SemaRef); |
| 3096 | llvm::SmallVector<SourceLocation, 4> FakeCommaLocs; |
| 3097 | for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) { |
| 3098 | OwningExprResult Arg = getDerived().TransformExpr(E->getArg(I)); |
| 3099 | if (Arg.isInvalid()) |
| 3100 | return SemaRef.ExprError(); |
| 3101 | |
| 3102 | // FIXME: Wrong source location information for the ','. |
| 3103 | FakeCommaLocs.push_back( |
| 3104 | SemaRef.PP.getLocForEndOfToken(E->getArg(I)->getSourceRange().getEnd())); |
| 3105 | |
| 3106 | ArgChanged = ArgChanged || Arg.get() != E->getArg(I); |
| 3107 | Args.push_back(Arg.takeAs<Expr>()); |
| 3108 | } |
| 3109 | |
| 3110 | if (!getDerived().AlwaysRebuild() && |
| 3111 | Callee.get() == E->getCallee() && |
| 3112 | !ArgChanged) |
| 3113 | return SemaRef.Owned(E->Retain()); |
| 3114 | |
| 3115 | // FIXME: Wrong source location information for the '('. |
| 3116 | SourceLocation FakeLParenLoc |
| 3117 | = ((Expr *)Callee.get())->getSourceRange().getBegin(); |
| 3118 | return getDerived().RebuildCallExpr(move(Callee), FakeLParenLoc, |
| 3119 | move_arg(Args), |
| 3120 | FakeCommaLocs.data(), |
| 3121 | E->getRParenLoc()); |
| 3122 | } |
| 3123 | |
| 3124 | template<typename Derived> |
| 3125 | Sema::OwningExprResult |
| 3126 | TreeTransform<Derived>::TransformMemberExpr(MemberExpr *E) { |
| 3127 | OwningExprResult Base = getDerived().TransformExpr(E->getBase()); |
| 3128 | if (Base.isInvalid()) |
| 3129 | return SemaRef.ExprError(); |
| 3130 | |
Douglas Gregor | 83f6faf | 2009-08-31 23:41:50 +0000 | [diff] [blame] | 3131 | NestedNameSpecifier *Qualifier = 0; |
| 3132 | if (E->hasQualifier()) { |
| 3133 | Qualifier |
| 3134 | = getDerived().TransformNestedNameSpecifier(E->getQualifier(), |
| 3135 | E->getQualifierRange()); |
Douglas Gregor | c4bf26f | 2009-09-01 00:37:14 +0000 | [diff] [blame] | 3136 | if (Qualifier == 0) |
Douglas Gregor | 83f6faf | 2009-08-31 23:41:50 +0000 | [diff] [blame] | 3137 | return SemaRef.ExprError(); |
| 3138 | } |
| 3139 | |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3140 | NamedDecl *Member |
| 3141 | = cast_or_null<NamedDecl>(getDerived().TransformDecl(E->getMemberDecl())); |
| 3142 | if (!Member) |
| 3143 | return SemaRef.ExprError(); |
| 3144 | |
| 3145 | if (!getDerived().AlwaysRebuild() && |
| 3146 | Base.get() == E->getBase() && |
Douglas Gregor | 83f6faf | 2009-08-31 23:41:50 +0000 | [diff] [blame] | 3147 | Qualifier == E->getQualifier() && |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3148 | Member == E->getMemberDecl()) |
| 3149 | return SemaRef.Owned(E->Retain()); |
| 3150 | |
| 3151 | // FIXME: Bogus source location for the operator |
| 3152 | SourceLocation FakeOperatorLoc |
| 3153 | = SemaRef.PP.getLocForEndOfToken(E->getBase()->getSourceRange().getEnd()); |
| 3154 | |
| 3155 | return getDerived().RebuildMemberExpr(move(Base), FakeOperatorLoc, |
| 3156 | E->isArrow(), |
Douglas Gregor | 83f6faf | 2009-08-31 23:41:50 +0000 | [diff] [blame] | 3157 | Qualifier, |
| 3158 | E->getQualifierRange(), |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3159 | E->getMemberLoc(), |
| 3160 | Member); |
| 3161 | } |
| 3162 | |
| 3163 | template<typename Derived> |
| 3164 | Sema::OwningExprResult |
| 3165 | TreeTransform<Derived>::TransformCastExpr(CastExpr *E) { |
| 3166 | assert(false && "Cannot transform abstract class"); |
| 3167 | return SemaRef.Owned(E->Retain()); |
| 3168 | } |
| 3169 | |
| 3170 | template<typename Derived> |
| 3171 | Sema::OwningExprResult |
| 3172 | TreeTransform<Derived>::TransformBinaryOperator(BinaryOperator *E) { |
| 3173 | OwningExprResult LHS = getDerived().TransformExpr(E->getLHS()); |
| 3174 | if (LHS.isInvalid()) |
| 3175 | return SemaRef.ExprError(); |
| 3176 | |
| 3177 | OwningExprResult RHS = getDerived().TransformExpr(E->getRHS()); |
| 3178 | if (RHS.isInvalid()) |
| 3179 | return SemaRef.ExprError(); |
| 3180 | |
| 3181 | if (!getDerived().AlwaysRebuild() && |
| 3182 | LHS.get() == E->getLHS() && |
| 3183 | RHS.get() == E->getRHS()) |
| 3184 | return SemaRef.Owned(E->Retain()); |
| 3185 | |
| 3186 | return getDerived().RebuildBinaryOperator(E->getOperatorLoc(), E->getOpcode(), |
| 3187 | move(LHS), move(RHS)); |
| 3188 | } |
| 3189 | |
| 3190 | template<typename Derived> |
| 3191 | Sema::OwningExprResult |
| 3192 | TreeTransform<Derived>::TransformCompoundAssignOperator( |
| 3193 | CompoundAssignOperator *E) { |
| 3194 | return getDerived().TransformBinaryOperator(E); |
| 3195 | } |
| 3196 | |
| 3197 | template<typename Derived> |
| 3198 | Sema::OwningExprResult |
| 3199 | TreeTransform<Derived>::TransformConditionalOperator(ConditionalOperator *E) { |
| 3200 | OwningExprResult Cond = getDerived().TransformExpr(E->getCond()); |
| 3201 | if (Cond.isInvalid()) |
| 3202 | return SemaRef.ExprError(); |
| 3203 | |
| 3204 | OwningExprResult LHS = getDerived().TransformExpr(E->getLHS()); |
| 3205 | if (LHS.isInvalid()) |
| 3206 | return SemaRef.ExprError(); |
| 3207 | |
| 3208 | OwningExprResult RHS = getDerived().TransformExpr(E->getRHS()); |
| 3209 | if (RHS.isInvalid()) |
| 3210 | return SemaRef.ExprError(); |
| 3211 | |
| 3212 | if (!getDerived().AlwaysRebuild() && |
| 3213 | Cond.get() == E->getCond() && |
| 3214 | LHS.get() == E->getLHS() && |
| 3215 | RHS.get() == E->getRHS()) |
| 3216 | return SemaRef.Owned(E->Retain()); |
| 3217 | |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3218 | return getDerived().RebuildConditionalOperator(move(Cond), |
Douglas Gregor | 47e1f7c | 2009-08-26 14:37:04 +0000 | [diff] [blame] | 3219 | E->getQuestionLoc(), |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3220 | move(LHS), |
Douglas Gregor | 47e1f7c | 2009-08-26 14:37:04 +0000 | [diff] [blame] | 3221 | E->getColonLoc(), |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3222 | move(RHS)); |
| 3223 | } |
| 3224 | |
| 3225 | template<typename Derived> |
| 3226 | Sema::OwningExprResult |
| 3227 | TreeTransform<Derived>::TransformImplicitCastExpr(ImplicitCastExpr *E) { |
| 3228 | QualType T = getDerived().TransformType(E->getType()); |
| 3229 | if (T.isNull()) |
| 3230 | return SemaRef.ExprError(); |
| 3231 | |
| 3232 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 3233 | if (SubExpr.isInvalid()) |
| 3234 | return SemaRef.ExprError(); |
| 3235 | |
| 3236 | if (!getDerived().AlwaysRebuild() && |
| 3237 | T == E->getType() && |
| 3238 | SubExpr.get() == E->getSubExpr()) |
| 3239 | return SemaRef.Owned(E->Retain()); |
| 3240 | |
| 3241 | return getDerived().RebuildImplicitCastExpr(T, E->getCastKind(), |
| 3242 | move(SubExpr), |
| 3243 | E->isLvalueCast()); |
| 3244 | } |
| 3245 | |
| 3246 | template<typename Derived> |
| 3247 | Sema::OwningExprResult |
| 3248 | TreeTransform<Derived>::TransformExplicitCastExpr(ExplicitCastExpr *E) { |
| 3249 | assert(false && "Cannot transform abstract class"); |
| 3250 | return SemaRef.Owned(E->Retain()); |
| 3251 | } |
| 3252 | |
| 3253 | template<typename Derived> |
| 3254 | Sema::OwningExprResult |
| 3255 | TreeTransform<Derived>::TransformCStyleCastExpr(CStyleCastExpr *E) { |
| 3256 | QualType T; |
| 3257 | { |
| 3258 | // FIXME: Source location isn't quite accurate. |
| 3259 | SourceLocation TypeStartLoc |
| 3260 | = SemaRef.PP.getLocForEndOfToken(E->getLParenLoc()); |
| 3261 | TemporaryBase Rebase(*this, TypeStartLoc, DeclarationName()); |
| 3262 | |
| 3263 | T = getDerived().TransformType(E->getTypeAsWritten()); |
| 3264 | if (T.isNull()) |
| 3265 | return SemaRef.ExprError(); |
| 3266 | } |
| 3267 | |
| 3268 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 3269 | if (SubExpr.isInvalid()) |
| 3270 | return SemaRef.ExprError(); |
| 3271 | |
| 3272 | if (!getDerived().AlwaysRebuild() && |
| 3273 | T == E->getTypeAsWritten() && |
| 3274 | SubExpr.get() == E->getSubExpr()) |
| 3275 | return SemaRef.Owned(E->Retain()); |
| 3276 | |
| 3277 | return getDerived().RebuildCStyleCaseExpr(E->getLParenLoc(), T, |
| 3278 | E->getRParenLoc(), |
| 3279 | move(SubExpr)); |
| 3280 | } |
| 3281 | |
| 3282 | template<typename Derived> |
| 3283 | Sema::OwningExprResult |
| 3284 | TreeTransform<Derived>::TransformCompoundLiteralExpr(CompoundLiteralExpr *E) { |
| 3285 | QualType T; |
| 3286 | { |
| 3287 | // FIXME: Source location isn't quite accurate. |
| 3288 | SourceLocation FakeTypeLoc |
| 3289 | = SemaRef.PP.getLocForEndOfToken(E->getLParenLoc()); |
| 3290 | TemporaryBase Rebase(*this, FakeTypeLoc, DeclarationName()); |
| 3291 | |
| 3292 | T = getDerived().TransformType(E->getType()); |
| 3293 | if (T.isNull()) |
| 3294 | return SemaRef.ExprError(); |
| 3295 | } |
| 3296 | |
| 3297 | OwningExprResult Init = getDerived().TransformExpr(E->getInitializer()); |
| 3298 | if (Init.isInvalid()) |
| 3299 | return SemaRef.ExprError(); |
| 3300 | |
| 3301 | if (!getDerived().AlwaysRebuild() && |
| 3302 | T == E->getType() && |
| 3303 | Init.get() == E->getInitializer()) |
| 3304 | return SemaRef.Owned(E->Retain()); |
| 3305 | |
| 3306 | return getDerived().RebuildCompoundLiteralExpr(E->getLParenLoc(), T, |
| 3307 | /*FIXME:*/E->getInitializer()->getLocEnd(), |
| 3308 | move(Init)); |
| 3309 | } |
| 3310 | |
| 3311 | template<typename Derived> |
| 3312 | Sema::OwningExprResult |
| 3313 | TreeTransform<Derived>::TransformExtVectorElementExpr(ExtVectorElementExpr *E) { |
| 3314 | OwningExprResult Base = getDerived().TransformExpr(E->getBase()); |
| 3315 | if (Base.isInvalid()) |
| 3316 | return SemaRef.ExprError(); |
| 3317 | |
| 3318 | if (!getDerived().AlwaysRebuild() && |
| 3319 | Base.get() == E->getBase()) |
| 3320 | return SemaRef.Owned(E->Retain()); |
| 3321 | |
| 3322 | // FIXME: Bad source location |
| 3323 | SourceLocation FakeOperatorLoc |
| 3324 | = SemaRef.PP.getLocForEndOfToken(E->getBase()->getLocEnd()); |
| 3325 | return getDerived().RebuildExtVectorElementExpr(move(Base), FakeOperatorLoc, |
| 3326 | E->getAccessorLoc(), |
| 3327 | E->getAccessor()); |
| 3328 | } |
| 3329 | |
| 3330 | template<typename Derived> |
| 3331 | Sema::OwningExprResult |
| 3332 | TreeTransform<Derived>::TransformInitListExpr(InitListExpr *E) { |
| 3333 | bool InitChanged = false; |
| 3334 | |
| 3335 | ASTOwningVector<&ActionBase::DeleteExpr, 4> Inits(SemaRef); |
| 3336 | for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) { |
| 3337 | OwningExprResult Init = getDerived().TransformExpr(E->getInit(I)); |
| 3338 | if (Init.isInvalid()) |
| 3339 | return SemaRef.ExprError(); |
| 3340 | |
| 3341 | InitChanged = InitChanged || Init.get() != E->getInit(I); |
| 3342 | Inits.push_back(Init.takeAs<Expr>()); |
| 3343 | } |
| 3344 | |
| 3345 | if (!getDerived().AlwaysRebuild() && !InitChanged) |
| 3346 | return SemaRef.Owned(E->Retain()); |
| 3347 | |
| 3348 | return getDerived().RebuildInitList(E->getLBraceLoc(), move_arg(Inits), |
| 3349 | E->getRBraceLoc()); |
| 3350 | } |
| 3351 | |
| 3352 | template<typename Derived> |
| 3353 | Sema::OwningExprResult |
| 3354 | TreeTransform<Derived>::TransformDesignatedInitExpr(DesignatedInitExpr *E) { |
| 3355 | Designation Desig; |
| 3356 | |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 3357 | // transform the initializer value |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3358 | OwningExprResult Init = getDerived().TransformExpr(E->getInit()); |
| 3359 | if (Init.isInvalid()) |
| 3360 | return SemaRef.ExprError(); |
| 3361 | |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 3362 | // transform the designators. |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3363 | ASTOwningVector<&ActionBase::DeleteExpr, 4> ArrayExprs(SemaRef); |
| 3364 | bool ExprChanged = false; |
| 3365 | for (DesignatedInitExpr::designators_iterator D = E->designators_begin(), |
| 3366 | DEnd = E->designators_end(); |
| 3367 | D != DEnd; ++D) { |
| 3368 | if (D->isFieldDesignator()) { |
| 3369 | Desig.AddDesignator(Designator::getField(D->getFieldName(), |
| 3370 | D->getDotLoc(), |
| 3371 | D->getFieldLoc())); |
| 3372 | continue; |
| 3373 | } |
| 3374 | |
| 3375 | if (D->isArrayDesignator()) { |
| 3376 | OwningExprResult Index = getDerived().TransformExpr(E->getArrayIndex(*D)); |
| 3377 | if (Index.isInvalid()) |
| 3378 | return SemaRef.ExprError(); |
| 3379 | |
| 3380 | Desig.AddDesignator(Designator::getArray(Index.get(), |
| 3381 | D->getLBracketLoc())); |
| 3382 | |
| 3383 | ExprChanged = ExprChanged || Init.get() != E->getArrayIndex(*D); |
| 3384 | ArrayExprs.push_back(Index.release()); |
| 3385 | continue; |
| 3386 | } |
| 3387 | |
| 3388 | assert(D->isArrayRangeDesignator() && "New kind of designator?"); |
| 3389 | OwningExprResult Start |
| 3390 | = getDerived().TransformExpr(E->getArrayRangeStart(*D)); |
| 3391 | if (Start.isInvalid()) |
| 3392 | return SemaRef.ExprError(); |
| 3393 | |
| 3394 | OwningExprResult End = getDerived().TransformExpr(E->getArrayRangeEnd(*D)); |
| 3395 | if (End.isInvalid()) |
| 3396 | return SemaRef.ExprError(); |
| 3397 | |
| 3398 | Desig.AddDesignator(Designator::getArrayRange(Start.get(), |
| 3399 | End.get(), |
| 3400 | D->getLBracketLoc(), |
| 3401 | D->getEllipsisLoc())); |
| 3402 | |
| 3403 | ExprChanged = ExprChanged || Start.get() != E->getArrayRangeStart(*D) || |
| 3404 | End.get() != E->getArrayRangeEnd(*D); |
| 3405 | |
| 3406 | ArrayExprs.push_back(Start.release()); |
| 3407 | ArrayExprs.push_back(End.release()); |
| 3408 | } |
| 3409 | |
| 3410 | if (!getDerived().AlwaysRebuild() && |
| 3411 | Init.get() == E->getInit() && |
| 3412 | !ExprChanged) |
| 3413 | return SemaRef.Owned(E->Retain()); |
| 3414 | |
| 3415 | return getDerived().RebuildDesignatedInitExpr(Desig, move_arg(ArrayExprs), |
| 3416 | E->getEqualOrColonLoc(), |
| 3417 | E->usesGNUSyntax(), move(Init)); |
| 3418 | } |
| 3419 | |
| 3420 | template<typename Derived> |
| 3421 | Sema::OwningExprResult |
| 3422 | TreeTransform<Derived>::TransformImplicitValueInitExpr( |
| 3423 | ImplicitValueInitExpr *E) { |
| 3424 | QualType T = getDerived().TransformType(E->getType()); |
| 3425 | if (T.isNull()) |
| 3426 | return SemaRef.ExprError(); |
| 3427 | |
| 3428 | if (!getDerived().AlwaysRebuild() && |
| 3429 | T == E->getType()) |
| 3430 | return SemaRef.Owned(E->Retain()); |
| 3431 | |
| 3432 | return getDerived().RebuildImplicitValueInitExpr(T); |
| 3433 | } |
| 3434 | |
| 3435 | template<typename Derived> |
| 3436 | Sema::OwningExprResult |
| 3437 | TreeTransform<Derived>::TransformVAArgExpr(VAArgExpr *E) { |
| 3438 | // FIXME: Do we want the type as written? |
| 3439 | QualType T; |
| 3440 | |
| 3441 | { |
| 3442 | // FIXME: Source location isn't quite accurate. |
| 3443 | TemporaryBase Rebase(*this, E->getBuiltinLoc(), DeclarationName()); |
| 3444 | T = getDerived().TransformType(E->getType()); |
| 3445 | if (T.isNull()) |
| 3446 | return SemaRef.ExprError(); |
| 3447 | } |
| 3448 | |
| 3449 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 3450 | if (SubExpr.isInvalid()) |
| 3451 | return SemaRef.ExprError(); |
| 3452 | |
| 3453 | if (!getDerived().AlwaysRebuild() && |
| 3454 | T == E->getType() && |
| 3455 | SubExpr.get() == E->getSubExpr()) |
| 3456 | return SemaRef.Owned(E->Retain()); |
| 3457 | |
| 3458 | return getDerived().RebuildVAArgExpr(E->getBuiltinLoc(), move(SubExpr), |
| 3459 | T, E->getRParenLoc()); |
| 3460 | } |
| 3461 | |
| 3462 | template<typename Derived> |
| 3463 | Sema::OwningExprResult |
| 3464 | TreeTransform<Derived>::TransformParenListExpr(ParenListExpr *E) { |
| 3465 | bool ArgumentChanged = false; |
| 3466 | ASTOwningVector<&ActionBase::DeleteExpr, 4> Inits(SemaRef); |
| 3467 | for (unsigned I = 0, N = E->getNumExprs(); I != N; ++I) { |
| 3468 | OwningExprResult Init = getDerived().TransformExpr(E->getExpr(I)); |
| 3469 | if (Init.isInvalid()) |
| 3470 | return SemaRef.ExprError(); |
| 3471 | |
| 3472 | ArgumentChanged = ArgumentChanged || Init.get() != E->getExpr(I); |
| 3473 | Inits.push_back(Init.takeAs<Expr>()); |
| 3474 | } |
| 3475 | |
| 3476 | return getDerived().RebuildParenListExpr(E->getLParenLoc(), |
| 3477 | move_arg(Inits), |
| 3478 | E->getRParenLoc()); |
| 3479 | } |
| 3480 | |
| 3481 | /// \brief Transform an address-of-label expression. |
| 3482 | /// |
| 3483 | /// By default, the transformation of an address-of-label expression always |
| 3484 | /// rebuilds the expression, so that the label identifier can be resolved to |
| 3485 | /// the corresponding label statement by semantic analysis. |
| 3486 | template<typename Derived> |
| 3487 | Sema::OwningExprResult |
| 3488 | TreeTransform<Derived>::TransformAddrLabelExpr(AddrLabelExpr *E) { |
| 3489 | return getDerived().RebuildAddrLabelExpr(E->getAmpAmpLoc(), E->getLabelLoc(), |
| 3490 | E->getLabel()); |
| 3491 | } |
| 3492 | |
| 3493 | template<typename Derived> |
| 3494 | Sema::OwningExprResult TreeTransform<Derived>::TransformStmtExpr(StmtExpr *E) { |
| 3495 | OwningStmtResult SubStmt |
| 3496 | = getDerived().TransformCompoundStmt(E->getSubStmt(), true); |
| 3497 | if (SubStmt.isInvalid()) |
| 3498 | return SemaRef.ExprError(); |
| 3499 | |
| 3500 | if (!getDerived().AlwaysRebuild() && |
| 3501 | SubStmt.get() == E->getSubStmt()) |
| 3502 | return SemaRef.Owned(E->Retain()); |
| 3503 | |
| 3504 | return getDerived().RebuildStmtExpr(E->getLParenLoc(), |
| 3505 | move(SubStmt), |
| 3506 | E->getRParenLoc()); |
| 3507 | } |
| 3508 | |
| 3509 | template<typename Derived> |
| 3510 | Sema::OwningExprResult |
| 3511 | TreeTransform<Derived>::TransformTypesCompatibleExpr(TypesCompatibleExpr *E) { |
| 3512 | QualType T1, T2; |
| 3513 | { |
| 3514 | // FIXME: Source location isn't quite accurate. |
| 3515 | TemporaryBase Rebase(*this, E->getBuiltinLoc(), DeclarationName()); |
| 3516 | |
| 3517 | T1 = getDerived().TransformType(E->getArgType1()); |
| 3518 | if (T1.isNull()) |
| 3519 | return SemaRef.ExprError(); |
| 3520 | |
| 3521 | T2 = getDerived().TransformType(E->getArgType2()); |
| 3522 | if (T2.isNull()) |
| 3523 | return SemaRef.ExprError(); |
| 3524 | } |
| 3525 | |
| 3526 | if (!getDerived().AlwaysRebuild() && |
| 3527 | T1 == E->getArgType1() && |
| 3528 | T2 == E->getArgType2()) |
| 3529 | return SemaRef.Owned(E->Retain()); |
| 3530 | |
| 3531 | return getDerived().RebuildTypesCompatibleExpr(E->getBuiltinLoc(), |
| 3532 | T1, T2, E->getRParenLoc()); |
| 3533 | } |
| 3534 | |
| 3535 | template<typename Derived> |
| 3536 | Sema::OwningExprResult |
| 3537 | TreeTransform<Derived>::TransformChooseExpr(ChooseExpr *E) { |
| 3538 | OwningExprResult Cond = getDerived().TransformExpr(E->getCond()); |
| 3539 | if (Cond.isInvalid()) |
| 3540 | return SemaRef.ExprError(); |
| 3541 | |
| 3542 | OwningExprResult LHS = getDerived().TransformExpr(E->getLHS()); |
| 3543 | if (LHS.isInvalid()) |
| 3544 | return SemaRef.ExprError(); |
| 3545 | |
| 3546 | OwningExprResult RHS = getDerived().TransformExpr(E->getRHS()); |
| 3547 | if (RHS.isInvalid()) |
| 3548 | return SemaRef.ExprError(); |
| 3549 | |
| 3550 | if (!getDerived().AlwaysRebuild() && |
| 3551 | Cond.get() == E->getCond() && |
| 3552 | LHS.get() == E->getLHS() && |
| 3553 | RHS.get() == E->getRHS()) |
| 3554 | return SemaRef.Owned(E->Retain()); |
| 3555 | |
| 3556 | return getDerived().RebuildChooseExpr(E->getBuiltinLoc(), |
| 3557 | move(Cond), move(LHS), move(RHS), |
| 3558 | E->getRParenLoc()); |
| 3559 | } |
| 3560 | |
| 3561 | template<typename Derived> |
| 3562 | Sema::OwningExprResult |
| 3563 | TreeTransform<Derived>::TransformGNUNullExpr(GNUNullExpr *E) { |
| 3564 | return SemaRef.Owned(E->Retain()); |
| 3565 | } |
| 3566 | |
| 3567 | template<typename Derived> |
| 3568 | Sema::OwningExprResult |
| 3569 | TreeTransform<Derived>::TransformCXXOperatorCallExpr(CXXOperatorCallExpr *E) { |
| 3570 | OwningExprResult Callee = getDerived().TransformExpr(E->getCallee()); |
| 3571 | if (Callee.isInvalid()) |
| 3572 | return SemaRef.ExprError(); |
| 3573 | |
| 3574 | OwningExprResult First = getDerived().TransformExpr(E->getArg(0)); |
| 3575 | if (First.isInvalid()) |
| 3576 | return SemaRef.ExprError(); |
| 3577 | |
| 3578 | OwningExprResult Second(SemaRef); |
| 3579 | if (E->getNumArgs() == 2) { |
| 3580 | Second = getDerived().TransformExpr(E->getArg(1)); |
| 3581 | if (Second.isInvalid()) |
| 3582 | return SemaRef.ExprError(); |
| 3583 | } |
| 3584 | |
| 3585 | if (!getDerived().AlwaysRebuild() && |
| 3586 | Callee.get() == E->getCallee() && |
| 3587 | First.get() == E->getArg(0) && |
| 3588 | (E->getNumArgs() != 2 || Second.get() == E->getArg(1))) |
| 3589 | return SemaRef.Owned(E->Retain()); |
| 3590 | |
| 3591 | return getDerived().RebuildCXXOperatorCallExpr(E->getOperator(), |
| 3592 | E->getOperatorLoc(), |
| 3593 | move(Callee), |
| 3594 | move(First), |
| 3595 | move(Second)); |
| 3596 | } |
| 3597 | |
| 3598 | template<typename Derived> |
| 3599 | Sema::OwningExprResult |
| 3600 | TreeTransform<Derived>::TransformCXXMemberCallExpr(CXXMemberCallExpr *E) { |
| 3601 | return getDerived().TransformCallExpr(E); |
| 3602 | } |
| 3603 | |
| 3604 | template<typename Derived> |
| 3605 | Sema::OwningExprResult |
| 3606 | TreeTransform<Derived>::TransformCXXNamedCastExpr(CXXNamedCastExpr *E) { |
| 3607 | QualType ExplicitTy; |
| 3608 | { |
| 3609 | // FIXME: Source location isn't quite accurate. |
| 3610 | SourceLocation TypeStartLoc |
| 3611 | = SemaRef.PP.getLocForEndOfToken(E->getOperatorLoc()); |
| 3612 | TemporaryBase Rebase(*this, TypeStartLoc, DeclarationName()); |
| 3613 | |
| 3614 | ExplicitTy = getDerived().TransformType(E->getTypeAsWritten()); |
| 3615 | if (ExplicitTy.isNull()) |
| 3616 | return SemaRef.ExprError(); |
| 3617 | } |
| 3618 | |
| 3619 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 3620 | if (SubExpr.isInvalid()) |
| 3621 | return SemaRef.ExprError(); |
| 3622 | |
| 3623 | if (!getDerived().AlwaysRebuild() && |
| 3624 | ExplicitTy == E->getTypeAsWritten() && |
| 3625 | SubExpr.get() == E->getSubExpr()) |
| 3626 | return SemaRef.Owned(E->Retain()); |
| 3627 | |
| 3628 | // FIXME: Poor source location information here. |
| 3629 | SourceLocation FakeLAngleLoc |
| 3630 | = SemaRef.PP.getLocForEndOfToken(E->getOperatorLoc()); |
| 3631 | SourceLocation FakeRAngleLoc = E->getSubExpr()->getSourceRange().getBegin(); |
| 3632 | SourceLocation FakeRParenLoc |
| 3633 | = SemaRef.PP.getLocForEndOfToken( |
| 3634 | E->getSubExpr()->getSourceRange().getEnd()); |
| 3635 | return getDerived().RebuildCXXNamedCastExpr(E->getOperatorLoc(), |
| 3636 | E->getStmtClass(), |
| 3637 | FakeLAngleLoc, |
| 3638 | ExplicitTy, |
| 3639 | FakeRAngleLoc, |
| 3640 | FakeRAngleLoc, |
| 3641 | move(SubExpr), |
| 3642 | FakeRParenLoc); |
| 3643 | } |
| 3644 | |
| 3645 | template<typename Derived> |
| 3646 | Sema::OwningExprResult |
| 3647 | TreeTransform<Derived>::TransformCXXStaticCastExpr(CXXStaticCastExpr *E) { |
| 3648 | return getDerived().TransformCXXNamedCastExpr(E); |
| 3649 | } |
| 3650 | |
| 3651 | template<typename Derived> |
| 3652 | Sema::OwningExprResult |
| 3653 | TreeTransform<Derived>::TransformCXXDynamicCastExpr(CXXDynamicCastExpr *E) { |
| 3654 | return getDerived().TransformCXXNamedCastExpr(E); |
| 3655 | } |
| 3656 | |
| 3657 | template<typename Derived> |
| 3658 | Sema::OwningExprResult |
| 3659 | TreeTransform<Derived>::TransformCXXReinterpretCastExpr( |
| 3660 | CXXReinterpretCastExpr *E) { |
| 3661 | return getDerived().TransformCXXNamedCastExpr(E); |
| 3662 | } |
| 3663 | |
| 3664 | template<typename Derived> |
| 3665 | Sema::OwningExprResult |
| 3666 | TreeTransform<Derived>::TransformCXXConstCastExpr(CXXConstCastExpr *E) { |
| 3667 | return getDerived().TransformCXXNamedCastExpr(E); |
| 3668 | } |
| 3669 | |
| 3670 | template<typename Derived> |
| 3671 | Sema::OwningExprResult |
| 3672 | TreeTransform<Derived>::TransformCXXFunctionalCastExpr( |
| 3673 | CXXFunctionalCastExpr *E) { |
| 3674 | QualType ExplicitTy; |
| 3675 | { |
| 3676 | TemporaryBase Rebase(*this, E->getTypeBeginLoc(), DeclarationName()); |
| 3677 | |
| 3678 | ExplicitTy = getDerived().TransformType(E->getTypeAsWritten()); |
| 3679 | if (ExplicitTy.isNull()) |
| 3680 | return SemaRef.ExprError(); |
| 3681 | } |
| 3682 | |
| 3683 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 3684 | if (SubExpr.isInvalid()) |
| 3685 | return SemaRef.ExprError(); |
| 3686 | |
| 3687 | if (!getDerived().AlwaysRebuild() && |
| 3688 | ExplicitTy == E->getTypeAsWritten() && |
| 3689 | SubExpr.get() == E->getSubExpr()) |
| 3690 | return SemaRef.Owned(E->Retain()); |
| 3691 | |
| 3692 | // FIXME: The end of the type's source range is wrong |
| 3693 | return getDerived().RebuildCXXFunctionalCastExpr( |
| 3694 | /*FIXME:*/SourceRange(E->getTypeBeginLoc()), |
| 3695 | ExplicitTy, |
| 3696 | /*FIXME:*/E->getSubExpr()->getLocStart(), |
| 3697 | move(SubExpr), |
| 3698 | E->getRParenLoc()); |
| 3699 | } |
| 3700 | |
| 3701 | template<typename Derived> |
| 3702 | Sema::OwningExprResult |
| 3703 | TreeTransform<Derived>::TransformCXXTypeidExpr(CXXTypeidExpr *E) { |
| 3704 | if (E->isTypeOperand()) { |
| 3705 | TemporaryBase Rebase(*this, /*FIXME*/E->getLocStart(), DeclarationName()); |
| 3706 | |
| 3707 | QualType T = getDerived().TransformType(E->getTypeOperand()); |
| 3708 | if (T.isNull()) |
| 3709 | return SemaRef.ExprError(); |
| 3710 | |
| 3711 | if (!getDerived().AlwaysRebuild() && |
| 3712 | T == E->getTypeOperand()) |
| 3713 | return SemaRef.Owned(E->Retain()); |
| 3714 | |
| 3715 | return getDerived().RebuildCXXTypeidExpr(E->getLocStart(), |
| 3716 | /*FIXME:*/E->getLocStart(), |
| 3717 | T, |
| 3718 | E->getLocEnd()); |
| 3719 | } |
| 3720 | |
| 3721 | // We don't know whether the expression is potentially evaluated until |
| 3722 | // after we perform semantic analysis, so the expression is potentially |
| 3723 | // potentially evaluated. |
| 3724 | EnterExpressionEvaluationContext Unevaluated(SemaRef, |
| 3725 | Action::PotentiallyPotentiallyEvaluated); |
| 3726 | |
| 3727 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getExprOperand()); |
| 3728 | if (SubExpr.isInvalid()) |
| 3729 | return SemaRef.ExprError(); |
| 3730 | |
| 3731 | if (!getDerived().AlwaysRebuild() && |
| 3732 | SubExpr.get() == E->getExprOperand()) |
| 3733 | return SemaRef.Owned(E->Retain()); |
| 3734 | |
| 3735 | return getDerived().RebuildCXXTypeidExpr(E->getLocStart(), |
| 3736 | /*FIXME:*/E->getLocStart(), |
| 3737 | move(SubExpr), |
| 3738 | E->getLocEnd()); |
| 3739 | } |
| 3740 | |
| 3741 | template<typename Derived> |
| 3742 | Sema::OwningExprResult |
| 3743 | TreeTransform<Derived>::TransformCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { |
| 3744 | return SemaRef.Owned(E->Retain()); |
| 3745 | } |
| 3746 | |
| 3747 | template<typename Derived> |
| 3748 | Sema::OwningExprResult |
| 3749 | TreeTransform<Derived>::TransformCXXNullPtrLiteralExpr( |
| 3750 | CXXNullPtrLiteralExpr *E) { |
| 3751 | return SemaRef.Owned(E->Retain()); |
| 3752 | } |
| 3753 | |
| 3754 | template<typename Derived> |
| 3755 | Sema::OwningExprResult |
| 3756 | TreeTransform<Derived>::TransformCXXThisExpr(CXXThisExpr *E) { |
| 3757 | TemporaryBase Rebase(*this, E->getLocStart(), DeclarationName()); |
| 3758 | |
| 3759 | QualType T = getDerived().TransformType(E->getType()); |
| 3760 | if (T.isNull()) |
| 3761 | return SemaRef.ExprError(); |
| 3762 | |
| 3763 | if (!getDerived().AlwaysRebuild() && |
| 3764 | T == E->getType()) |
| 3765 | return SemaRef.Owned(E->Retain()); |
| 3766 | |
| 3767 | return getDerived().RebuildCXXThisExpr(E->getLocStart(), T); |
| 3768 | } |
| 3769 | |
| 3770 | template<typename Derived> |
| 3771 | Sema::OwningExprResult |
| 3772 | TreeTransform<Derived>::TransformCXXThrowExpr(CXXThrowExpr *E) { |
| 3773 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 3774 | if (SubExpr.isInvalid()) |
| 3775 | return SemaRef.ExprError(); |
| 3776 | |
| 3777 | if (!getDerived().AlwaysRebuild() && |
| 3778 | SubExpr.get() == E->getSubExpr()) |
| 3779 | return SemaRef.Owned(E->Retain()); |
| 3780 | |
| 3781 | return getDerived().RebuildCXXThrowExpr(E->getThrowLoc(), move(SubExpr)); |
| 3782 | } |
| 3783 | |
| 3784 | template<typename Derived> |
| 3785 | Sema::OwningExprResult |
| 3786 | TreeTransform<Derived>::TransformCXXDefaultArgExpr(CXXDefaultArgExpr *E) { |
| 3787 | ParmVarDecl *Param |
| 3788 | = cast_or_null<ParmVarDecl>(getDerived().TransformDecl(E->getParam())); |
| 3789 | if (!Param) |
| 3790 | return SemaRef.ExprError(); |
| 3791 | |
| 3792 | if (getDerived().AlwaysRebuild() && |
| 3793 | Param == E->getParam()) |
| 3794 | return SemaRef.Owned(E->Retain()); |
| 3795 | |
| 3796 | return getDerived().RebuildCXXDefaultArgExpr(Param); |
| 3797 | } |
| 3798 | |
| 3799 | template<typename Derived> |
| 3800 | Sema::OwningExprResult |
| 3801 | TreeTransform<Derived>::TransformCXXZeroInitValueExpr(CXXZeroInitValueExpr *E) { |
| 3802 | TemporaryBase Rebase(*this, E->getTypeBeginLoc(), DeclarationName()); |
| 3803 | |
| 3804 | QualType T = getDerived().TransformType(E->getType()); |
| 3805 | if (T.isNull()) |
| 3806 | return SemaRef.ExprError(); |
| 3807 | |
| 3808 | if (!getDerived().AlwaysRebuild() && |
| 3809 | T == E->getType()) |
| 3810 | return SemaRef.Owned(E->Retain()); |
| 3811 | |
| 3812 | return getDerived().RebuildCXXZeroInitValueExpr(E->getTypeBeginLoc(), |
| 3813 | /*FIXME:*/E->getTypeBeginLoc(), |
| 3814 | T, |
| 3815 | E->getRParenLoc()); |
| 3816 | } |
| 3817 | |
| 3818 | template<typename Derived> |
| 3819 | Sema::OwningExprResult |
| 3820 | TreeTransform<Derived>::TransformCXXConditionDeclExpr(CXXConditionDeclExpr *E) { |
| 3821 | VarDecl *Var |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 3822 | = cast_or_null<VarDecl>(getDerived().TransformDefinition(E->getVarDecl())); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3823 | if (!Var) |
| 3824 | return SemaRef.ExprError(); |
| 3825 | |
| 3826 | if (!getDerived().AlwaysRebuild() && |
| 3827 | Var == E->getVarDecl()) |
| 3828 | return SemaRef.Owned(E->Retain()); |
| 3829 | |
| 3830 | return getDerived().RebuildCXXConditionDeclExpr(E->getStartLoc(), |
| 3831 | /*FIXME:*/E->getStartLoc(), |
| 3832 | Var); |
| 3833 | } |
| 3834 | |
| 3835 | template<typename Derived> |
| 3836 | Sema::OwningExprResult |
| 3837 | TreeTransform<Derived>::TransformCXXNewExpr(CXXNewExpr *E) { |
| 3838 | // Transform the type that we're allocating |
| 3839 | TemporaryBase Rebase(*this, E->getLocStart(), DeclarationName()); |
| 3840 | QualType AllocType = getDerived().TransformType(E->getAllocatedType()); |
| 3841 | if (AllocType.isNull()) |
| 3842 | return SemaRef.ExprError(); |
| 3843 | |
| 3844 | // Transform the size of the array we're allocating (if any). |
| 3845 | OwningExprResult ArraySize = getDerived().TransformExpr(E->getArraySize()); |
| 3846 | if (ArraySize.isInvalid()) |
| 3847 | return SemaRef.ExprError(); |
| 3848 | |
| 3849 | // Transform the placement arguments (if any). |
| 3850 | bool ArgumentChanged = false; |
| 3851 | ASTOwningVector<&ActionBase::DeleteExpr> PlacementArgs(SemaRef); |
| 3852 | for (unsigned I = 0, N = E->getNumPlacementArgs(); I != N; ++I) { |
| 3853 | OwningExprResult Arg = getDerived().TransformExpr(E->getPlacementArg(I)); |
| 3854 | if (Arg.isInvalid()) |
| 3855 | return SemaRef.ExprError(); |
| 3856 | |
| 3857 | ArgumentChanged = ArgumentChanged || Arg.get() != E->getPlacementArg(I); |
| 3858 | PlacementArgs.push_back(Arg.take()); |
| 3859 | } |
| 3860 | |
Douglas Gregor | 43959a9 | 2009-08-20 07:17:43 +0000 | [diff] [blame] | 3861 | // transform the constructor arguments (if any). |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3862 | ASTOwningVector<&ActionBase::DeleteExpr> ConstructorArgs(SemaRef); |
| 3863 | for (unsigned I = 0, N = E->getNumConstructorArgs(); I != N; ++I) { |
| 3864 | OwningExprResult Arg = getDerived().TransformExpr(E->getConstructorArg(I)); |
| 3865 | if (Arg.isInvalid()) |
| 3866 | return SemaRef.ExprError(); |
| 3867 | |
| 3868 | ArgumentChanged = ArgumentChanged || Arg.get() != E->getConstructorArg(I); |
| 3869 | ConstructorArgs.push_back(Arg.take()); |
| 3870 | } |
| 3871 | |
| 3872 | if (!getDerived().AlwaysRebuild() && |
| 3873 | AllocType == E->getAllocatedType() && |
| 3874 | ArraySize.get() == E->getArraySize() && |
| 3875 | !ArgumentChanged) |
| 3876 | return SemaRef.Owned(E->Retain()); |
| 3877 | |
| 3878 | return getDerived().RebuildCXXNewExpr(E->getLocStart(), |
| 3879 | E->isGlobalNew(), |
| 3880 | /*FIXME:*/E->getLocStart(), |
| 3881 | move_arg(PlacementArgs), |
| 3882 | /*FIXME:*/E->getLocStart(), |
| 3883 | E->isParenTypeId(), |
| 3884 | AllocType, |
| 3885 | /*FIXME:*/E->getLocStart(), |
| 3886 | /*FIXME:*/SourceRange(), |
| 3887 | move(ArraySize), |
| 3888 | /*FIXME:*/E->getLocStart(), |
| 3889 | move_arg(ConstructorArgs), |
| 3890 | E->getLocEnd()); |
| 3891 | } |
| 3892 | |
| 3893 | template<typename Derived> |
| 3894 | Sema::OwningExprResult |
| 3895 | TreeTransform<Derived>::TransformCXXDeleteExpr(CXXDeleteExpr *E) { |
| 3896 | OwningExprResult Operand = getDerived().TransformExpr(E->getArgument()); |
| 3897 | if (Operand.isInvalid()) |
| 3898 | return SemaRef.ExprError(); |
| 3899 | |
| 3900 | if (!getDerived().AlwaysRebuild() && |
| 3901 | Operand.get() == E->getArgument()) |
| 3902 | return SemaRef.Owned(E->Retain()); |
| 3903 | |
| 3904 | return getDerived().RebuildCXXDeleteExpr(E->getLocStart(), |
| 3905 | E->isGlobalDelete(), |
| 3906 | E->isArrayForm(), |
| 3907 | move(Operand)); |
| 3908 | } |
| 3909 | |
| 3910 | template<typename Derived> |
| 3911 | Sema::OwningExprResult |
Douglas Gregor | a71d819 | 2009-09-04 17:36:40 +0000 | [diff] [blame] | 3912 | TreeTransform<Derived>::TransformCXXPseudoDestructorExpr( |
| 3913 | CXXPseudoDestructorExpr *E) { |
| 3914 | OwningExprResult Base = getDerived().TransformExpr(E->getBase()); |
| 3915 | if (Base.isInvalid()) |
| 3916 | return SemaRef.ExprError(); |
| 3917 | |
| 3918 | NestedNameSpecifier *Qualifier |
| 3919 | = getDerived().TransformNestedNameSpecifier(E->getQualifier(), |
| 3920 | E->getQualifierRange()); |
| 3921 | if (E->getQualifier() && !Qualifier) |
| 3922 | return SemaRef.ExprError(); |
| 3923 | |
| 3924 | QualType DestroyedType; |
| 3925 | { |
| 3926 | TemporaryBase Rebase(*this, E->getDestroyedTypeLoc(), DeclarationName()); |
| 3927 | DestroyedType = getDerived().TransformType(E->getDestroyedType()); |
| 3928 | if (DestroyedType.isNull()) |
| 3929 | return SemaRef.ExprError(); |
| 3930 | } |
| 3931 | |
| 3932 | if (!getDerived().AlwaysRebuild() && |
| 3933 | Base.get() == E->getBase() && |
| 3934 | Qualifier == E->getQualifier() && |
| 3935 | DestroyedType == E->getDestroyedType()) |
| 3936 | return SemaRef.Owned(E->Retain()); |
| 3937 | |
| 3938 | return getDerived().RebuildCXXPseudoDestructorExpr(move(Base), |
| 3939 | E->getOperatorLoc(), |
| 3940 | E->isArrow(), |
| 3941 | E->getDestroyedTypeLoc(), |
| 3942 | DestroyedType, |
| 3943 | Qualifier, |
| 3944 | E->getQualifierRange()); |
| 3945 | } |
| 3946 | |
| 3947 | template<typename Derived> |
| 3948 | Sema::OwningExprResult |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 3949 | TreeTransform<Derived>::TransformUnresolvedFunctionNameExpr( |
| 3950 | UnresolvedFunctionNameExpr *E) { |
| 3951 | // There is no transformation we can apply to an unresolved function name. |
| 3952 | return SemaRef.Owned(E->Retain()); |
| 3953 | } |
| 3954 | |
| 3955 | template<typename Derived> |
| 3956 | Sema::OwningExprResult |
| 3957 | TreeTransform<Derived>::TransformUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) { |
| 3958 | TemporaryBase Rebase(*this, /*FIXME*/E->getLocStart(), DeclarationName()); |
| 3959 | |
| 3960 | QualType T = getDerived().TransformType(E->getQueriedType()); |
| 3961 | if (T.isNull()) |
| 3962 | return SemaRef.ExprError(); |
| 3963 | |
| 3964 | if (!getDerived().AlwaysRebuild() && |
| 3965 | T == E->getQueriedType()) |
| 3966 | return SemaRef.Owned(E->Retain()); |
| 3967 | |
| 3968 | // FIXME: Bad location information |
| 3969 | SourceLocation FakeLParenLoc |
| 3970 | = SemaRef.PP.getLocForEndOfToken(E->getLocStart()); |
| 3971 | |
| 3972 | return getDerived().RebuildUnaryTypeTrait(E->getTrait(), |
| 3973 | E->getLocStart(), |
| 3974 | /*FIXME:*/FakeLParenLoc, |
| 3975 | T, |
| 3976 | E->getLocEnd()); |
| 3977 | } |
| 3978 | |
| 3979 | template<typename Derived> |
| 3980 | Sema::OwningExprResult |
| 3981 | TreeTransform<Derived>::TransformQualifiedDeclRefExpr(QualifiedDeclRefExpr *E) { |
| 3982 | NestedNameSpecifier *NNS |
| 3983 | = getDerived().TransformNestedNameSpecifier(E->getQualifier(), |
| 3984 | E->getQualifierRange()); |
| 3985 | if (!NNS) |
| 3986 | return SemaRef.ExprError(); |
| 3987 | |
| 3988 | NamedDecl *ND |
| 3989 | = dyn_cast_or_null<NamedDecl>(getDerived().TransformDecl(E->getDecl())); |
| 3990 | if (!ND) |
| 3991 | return SemaRef.ExprError(); |
| 3992 | |
| 3993 | if (!getDerived().AlwaysRebuild() && |
| 3994 | NNS == E->getQualifier() && |
| 3995 | ND == E->getDecl()) |
| 3996 | return SemaRef.Owned(E->Retain()); |
| 3997 | |
| 3998 | return getDerived().RebuildQualifiedDeclRefExpr(NNS, |
| 3999 | E->getQualifierRange(), |
| 4000 | ND, |
| 4001 | E->getLocation(), |
| 4002 | /*FIXME:*/false); |
| 4003 | } |
| 4004 | |
| 4005 | template<typename Derived> |
| 4006 | Sema::OwningExprResult |
| 4007 | TreeTransform<Derived>::TransformUnresolvedDeclRefExpr( |
| 4008 | UnresolvedDeclRefExpr *E) { |
| 4009 | NestedNameSpecifier *NNS |
| 4010 | = getDerived().TransformNestedNameSpecifier(E->getQualifier(), |
| 4011 | E->getQualifierRange()); |
| 4012 | if (!NNS) |
| 4013 | return SemaRef.ExprError(); |
| 4014 | |
Douglas Gregor | 81499bb | 2009-09-03 22:13:48 +0000 | [diff] [blame] | 4015 | DeclarationName Name |
| 4016 | = getDerived().TransformDeclarationName(E->getDeclName(), E->getLocation()); |
| 4017 | if (!Name) |
| 4018 | return SemaRef.ExprError(); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4019 | |
| 4020 | if (!getDerived().AlwaysRebuild() && |
| 4021 | NNS == E->getQualifier() && |
| 4022 | Name == E->getDeclName()) |
| 4023 | return SemaRef.Owned(E->Retain()); |
| 4024 | |
| 4025 | return getDerived().RebuildUnresolvedDeclRefExpr(NNS, |
| 4026 | E->getQualifierRange(), |
| 4027 | Name, |
| 4028 | E->getLocation(), |
| 4029 | /*FIXME:*/false); |
| 4030 | } |
| 4031 | |
| 4032 | template<typename Derived> |
| 4033 | Sema::OwningExprResult |
| 4034 | TreeTransform<Derived>::TransformTemplateIdRefExpr(TemplateIdRefExpr *E) { |
| 4035 | TemplateName Template |
| 4036 | = getDerived().TransformTemplateName(E->getTemplateName()); |
| 4037 | if (Template.isNull()) |
| 4038 | return SemaRef.ExprError(); |
| 4039 | |
| 4040 | llvm::SmallVector<TemplateArgument, 4> TransArgs; |
| 4041 | for (unsigned I = 0, N = E->getNumTemplateArgs(); I != N; ++I) { |
| 4042 | TemplateArgument TransArg |
| 4043 | = getDerived().TransformTemplateArgument(E->getTemplateArgs()[I]); |
| 4044 | if (TransArg.isNull()) |
| 4045 | return SemaRef.ExprError(); |
| 4046 | |
| 4047 | TransArgs.push_back(TransArg); |
| 4048 | } |
| 4049 | |
| 4050 | // FIXME: Would like to avoid rebuilding if nothing changed, but we can't |
| 4051 | // compare template arguments (yet). |
| 4052 | |
| 4053 | // FIXME: It's possible that we'll find out now that the template name |
| 4054 | // actually refers to a type, in which case the caller is actually dealing |
| 4055 | // with a functional cast. Give a reasonable error message! |
| 4056 | return getDerived().RebuildTemplateIdExpr(Template, E->getTemplateNameLoc(), |
| 4057 | E->getLAngleLoc(), |
| 4058 | TransArgs.data(), |
| 4059 | TransArgs.size(), |
| 4060 | E->getRAngleLoc()); |
| 4061 | } |
| 4062 | |
| 4063 | template<typename Derived> |
| 4064 | Sema::OwningExprResult |
| 4065 | TreeTransform<Derived>::TransformCXXConstructExpr(CXXConstructExpr *E) { |
| 4066 | TemporaryBase Rebase(*this, /*FIXME*/E->getLocStart(), DeclarationName()); |
| 4067 | |
| 4068 | QualType T = getDerived().TransformType(E->getType()); |
| 4069 | if (T.isNull()) |
| 4070 | return SemaRef.ExprError(); |
| 4071 | |
| 4072 | CXXConstructorDecl *Constructor |
| 4073 | = cast_or_null<CXXConstructorDecl>( |
| 4074 | getDerived().TransformDecl(E->getConstructor())); |
| 4075 | if (!Constructor) |
| 4076 | return SemaRef.ExprError(); |
| 4077 | |
| 4078 | bool ArgumentChanged = false; |
| 4079 | ASTOwningVector<&ActionBase::DeleteExpr> Args(SemaRef); |
| 4080 | for (CXXConstructExpr::arg_iterator Arg = E->arg_begin(), |
| 4081 | ArgEnd = E->arg_end(); |
| 4082 | Arg != ArgEnd; ++Arg) { |
| 4083 | OwningExprResult TransArg = getDerived().TransformExpr(*Arg); |
| 4084 | if (TransArg.isInvalid()) |
| 4085 | return SemaRef.ExprError(); |
| 4086 | |
| 4087 | ArgumentChanged = ArgumentChanged || TransArg.get() != *Arg; |
| 4088 | Args.push_back(TransArg.takeAs<Expr>()); |
| 4089 | } |
| 4090 | |
| 4091 | if (!getDerived().AlwaysRebuild() && |
| 4092 | T == E->getType() && |
| 4093 | Constructor == E->getConstructor() && |
| 4094 | !ArgumentChanged) |
| 4095 | return SemaRef.Owned(E->Retain()); |
| 4096 | |
| 4097 | return getDerived().RebuildCXXConstructExpr(T, Constructor, E->isElidable(), |
| 4098 | move_arg(Args)); |
| 4099 | } |
| 4100 | |
| 4101 | /// \brief Transform a C++ temporary-binding expression. |
| 4102 | /// |
| 4103 | /// The transformation of a temporary-binding expression always attempts to |
| 4104 | /// bind a new temporary variable to its subexpression, even if the |
| 4105 | /// subexpression itself did not change, because the temporary variable itself |
| 4106 | /// must be unique. |
| 4107 | template<typename Derived> |
| 4108 | Sema::OwningExprResult |
| 4109 | TreeTransform<Derived>::TransformCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { |
| 4110 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 4111 | if (SubExpr.isInvalid()) |
| 4112 | return SemaRef.ExprError(); |
| 4113 | |
| 4114 | return SemaRef.MaybeBindToTemporary(SubExpr.takeAs<Expr>()); |
| 4115 | } |
| 4116 | |
| 4117 | /// \brief Transform a C++ expression that contains temporaries that should |
| 4118 | /// be destroyed after the expression is evaluated. |
| 4119 | /// |
| 4120 | /// The transformation of a full expression always attempts to build a new |
| 4121 | /// CXXExprWithTemporaries expression, even if the |
| 4122 | /// subexpression itself did not change, because it will need to capture the |
| 4123 | /// the new temporary variables introduced in the subexpression. |
| 4124 | template<typename Derived> |
| 4125 | Sema::OwningExprResult |
| 4126 | TreeTransform<Derived>::TransformCXXExprWithTemporaries( |
| 4127 | CXXExprWithTemporaries *E) { |
| 4128 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); |
| 4129 | if (SubExpr.isInvalid()) |
| 4130 | return SemaRef.ExprError(); |
| 4131 | |
| 4132 | return SemaRef.Owned( |
| 4133 | SemaRef.MaybeCreateCXXExprWithTemporaries(SubExpr.takeAs<Expr>(), |
| 4134 | E->shouldDestroyTemporaries())); |
| 4135 | } |
| 4136 | |
| 4137 | template<typename Derived> |
| 4138 | Sema::OwningExprResult |
| 4139 | TreeTransform<Derived>::TransformCXXTemporaryObjectExpr( |
| 4140 | CXXTemporaryObjectExpr *E) { |
| 4141 | TemporaryBase Rebase(*this, E->getTypeBeginLoc(), DeclarationName()); |
| 4142 | QualType T = getDerived().TransformType(E->getType()); |
| 4143 | if (T.isNull()) |
| 4144 | return SemaRef.ExprError(); |
| 4145 | |
| 4146 | CXXConstructorDecl *Constructor |
| 4147 | = cast_or_null<CXXConstructorDecl>( |
| 4148 | getDerived().TransformDecl(E->getConstructor())); |
| 4149 | if (!Constructor) |
| 4150 | return SemaRef.ExprError(); |
| 4151 | |
| 4152 | bool ArgumentChanged = false; |
| 4153 | ASTOwningVector<&ActionBase::DeleteExpr> Args(SemaRef); |
| 4154 | Args.reserve(E->getNumArgs()); |
| 4155 | for (CXXTemporaryObjectExpr::arg_iterator Arg = E->arg_begin(), |
| 4156 | ArgEnd = E->arg_end(); |
| 4157 | Arg != ArgEnd; ++Arg) { |
| 4158 | OwningExprResult TransArg = getDerived().TransformExpr(*Arg); |
| 4159 | if (TransArg.isInvalid()) |
| 4160 | return SemaRef.ExprError(); |
| 4161 | |
| 4162 | ArgumentChanged = ArgumentChanged || TransArg.get() != *Arg; |
| 4163 | Args.push_back((Expr *)TransArg.release()); |
| 4164 | } |
| 4165 | |
| 4166 | if (!getDerived().AlwaysRebuild() && |
| 4167 | T == E->getType() && |
| 4168 | Constructor == E->getConstructor() && |
| 4169 | !ArgumentChanged) |
| 4170 | return SemaRef.Owned(E->Retain()); |
| 4171 | |
| 4172 | // FIXME: Bogus location information |
| 4173 | SourceLocation CommaLoc; |
| 4174 | if (Args.size() > 1) { |
| 4175 | Expr *First = (Expr *)Args[0]; |
| 4176 | CommaLoc |
| 4177 | = SemaRef.PP.getLocForEndOfToken(First->getSourceRange().getEnd()); |
| 4178 | } |
| 4179 | return getDerived().RebuildCXXTemporaryObjectExpr(E->getTypeBeginLoc(), |
| 4180 | T, |
| 4181 | /*FIXME:*/E->getTypeBeginLoc(), |
| 4182 | move_arg(Args), |
| 4183 | &CommaLoc, |
| 4184 | E->getLocEnd()); |
| 4185 | } |
| 4186 | |
| 4187 | template<typename Derived> |
| 4188 | Sema::OwningExprResult |
| 4189 | TreeTransform<Derived>::TransformCXXUnresolvedConstructExpr( |
| 4190 | CXXUnresolvedConstructExpr *E) { |
| 4191 | TemporaryBase Rebase(*this, E->getTypeBeginLoc(), DeclarationName()); |
| 4192 | QualType T = getDerived().TransformType(E->getTypeAsWritten()); |
| 4193 | if (T.isNull()) |
| 4194 | return SemaRef.ExprError(); |
| 4195 | |
| 4196 | bool ArgumentChanged = false; |
| 4197 | ASTOwningVector<&ActionBase::DeleteExpr> Args(SemaRef); |
| 4198 | llvm::SmallVector<SourceLocation, 8> FakeCommaLocs; |
| 4199 | for (CXXUnresolvedConstructExpr::arg_iterator Arg = E->arg_begin(), |
| 4200 | ArgEnd = E->arg_end(); |
| 4201 | Arg != ArgEnd; ++Arg) { |
| 4202 | OwningExprResult TransArg = getDerived().TransformExpr(*Arg); |
| 4203 | if (TransArg.isInvalid()) |
| 4204 | return SemaRef.ExprError(); |
| 4205 | |
| 4206 | ArgumentChanged = ArgumentChanged || TransArg.get() != *Arg; |
| 4207 | FakeCommaLocs.push_back( |
| 4208 | SemaRef.PP.getLocForEndOfToken((*Arg)->getLocEnd())); |
| 4209 | Args.push_back(TransArg.takeAs<Expr>()); |
| 4210 | } |
| 4211 | |
| 4212 | if (!getDerived().AlwaysRebuild() && |
| 4213 | T == E->getTypeAsWritten() && |
| 4214 | !ArgumentChanged) |
| 4215 | return SemaRef.Owned(E->Retain()); |
| 4216 | |
| 4217 | // FIXME: we're faking the locations of the commas |
| 4218 | return getDerived().RebuildCXXUnresolvedConstructExpr(E->getTypeBeginLoc(), |
| 4219 | T, |
| 4220 | E->getLParenLoc(), |
| 4221 | move_arg(Args), |
| 4222 | FakeCommaLocs.data(), |
| 4223 | E->getRParenLoc()); |
| 4224 | } |
Douglas Gregor | bd4c4ae | 2009-08-26 22:36:53 +0000 | [diff] [blame] | 4225 | |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4226 | template<typename Derived> |
| 4227 | Sema::OwningExprResult |
| 4228 | TreeTransform<Derived>::TransformCXXUnresolvedMemberExpr( |
| 4229 | CXXUnresolvedMemberExpr *E) { |
| 4230 | // Transform the base of the expression. |
| 4231 | OwningExprResult Base = getDerived().TransformExpr(E->getBase()); |
| 4232 | if (Base.isInvalid()) |
| 4233 | return SemaRef.ExprError(); |
| 4234 | |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 4235 | Sema::TypeTy *ObjectType = 0; |
| 4236 | Base = SemaRef.ActOnStartCXXMemberReference(0, move(Base), |
| 4237 | E->getOperatorLoc(), |
| 4238 | E->isArrow()? tok::arrow : tok::period, |
| 4239 | ObjectType); |
| 4240 | if (Base.isInvalid()) |
| 4241 | return SemaRef.ExprError(); |
| 4242 | |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 4243 | // FIXME: The first qualifier found might be a template type parameter, |
| 4244 | // in which case there is no transformed declaration to refer to (it might |
| 4245 | // refer to a built-in type!). |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 4246 | NamedDecl *FirstQualifierInScope |
| 4247 | = cast_or_null<NamedDecl>( |
| 4248 | getDerived().TransformDecl(E->getFirstQualifierFoundInScope())); |
| 4249 | |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 4250 | NestedNameSpecifier *Qualifier = 0; |
| 4251 | if (E->getQualifier()) { |
| 4252 | Qualifier = getDerived().TransformNestedNameSpecifier(E->getQualifier(), |
| 4253 | E->getQualifierRange(), |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 4254 | QualType::getFromOpaquePtr(ObjectType), |
| 4255 | FirstQualifierInScope); |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 4256 | if (!Qualifier) |
| 4257 | return SemaRef.ExprError(); |
| 4258 | } |
| 4259 | |
Douglas Gregor | 81499bb | 2009-09-03 22:13:48 +0000 | [diff] [blame] | 4260 | DeclarationName Name |
| 4261 | = getDerived().TransformDeclarationName(E->getMember(), E->getMemberLoc()); |
| 4262 | if (!Name) |
| 4263 | return SemaRef.ExprError(); |
| 4264 | |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 4265 | if (!E->hasExplicitTemplateArgumentList()) { |
| 4266 | // This is a reference to a member without an explicitly-specified |
| 4267 | // template argument list. Optimize for this common case. |
| 4268 | if (!getDerived().AlwaysRebuild() && |
| 4269 | Base.get() == E->getBase() && |
| 4270 | Qualifier == E->getQualifier() && |
| 4271 | Name == E->getMember() && |
| 4272 | FirstQualifierInScope == E->getFirstQualifierFoundInScope()) |
| 4273 | return SemaRef.Owned(E->Retain()); |
| 4274 | |
| 4275 | return getDerived().RebuildCXXUnresolvedMemberExpr(move(Base), |
| 4276 | E->isArrow(), |
| 4277 | E->getOperatorLoc(), |
| 4278 | Qualifier, |
| 4279 | E->getQualifierRange(), |
| 4280 | Name, |
| 4281 | E->getMemberLoc(), |
| 4282 | FirstQualifierInScope); |
| 4283 | } |
| 4284 | |
| 4285 | // FIXME: This is an ugly hack, which forces the same template name to |
| 4286 | // be looked up multiple times. Yuck! |
| 4287 | // FIXME: This also won't work for, e.g., x->template operator+<int> |
| 4288 | TemplateName OrigTemplateName |
| 4289 | = SemaRef.Context.getDependentTemplateName(0, Name.getAsIdentifierInfo()); |
| 4290 | |
| 4291 | TemplateName Template |
| 4292 | = getDerived().TransformTemplateName(OrigTemplateName, |
| 4293 | QualType::getFromOpaquePtr(ObjectType)); |
| 4294 | if (Template.isNull()) |
| 4295 | return SemaRef.ExprError(); |
| 4296 | |
| 4297 | llvm::SmallVector<TemplateArgument, 4> TransArgs; |
| 4298 | for (unsigned I = 0, N = E->getNumTemplateArgs(); I != N; ++I) { |
| 4299 | TemplateArgument TransArg |
| 4300 | = getDerived().TransformTemplateArgument(E->getTemplateArgs()[I]); |
| 4301 | if (TransArg.isNull()) |
| 4302 | return SemaRef.ExprError(); |
| 4303 | |
| 4304 | TransArgs.push_back(TransArg); |
| 4305 | } |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 4306 | |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4307 | return getDerived().RebuildCXXUnresolvedMemberExpr(move(Base), |
| 4308 | E->isArrow(), |
| 4309 | E->getOperatorLoc(), |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 4310 | Qualifier, |
| 4311 | E->getQualifierRange(), |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 4312 | Template, |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 4313 | E->getMemberLoc(), |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 4314 | FirstQualifierInScope, |
| 4315 | E->getLAngleLoc(), |
| 4316 | TransArgs.data(), |
| 4317 | TransArgs.size(), |
| 4318 | E->getRAngleLoc()); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4319 | } |
| 4320 | |
| 4321 | template<typename Derived> |
| 4322 | Sema::OwningExprResult |
| 4323 | TreeTransform<Derived>::TransformObjCStringLiteral(ObjCStringLiteral *E) { |
| 4324 | return SemaRef.Owned(E->Retain()); |
| 4325 | } |
| 4326 | |
| 4327 | template<typename Derived> |
| 4328 | Sema::OwningExprResult |
| 4329 | TreeTransform<Derived>::TransformObjCEncodeExpr(ObjCEncodeExpr *E) { |
| 4330 | // FIXME: poor source location |
| 4331 | TemporaryBase Rebase(*this, E->getAtLoc(), DeclarationName()); |
| 4332 | QualType EncodedType = getDerived().TransformType(E->getEncodedType()); |
| 4333 | if (EncodedType.isNull()) |
| 4334 | return SemaRef.ExprError(); |
| 4335 | |
| 4336 | if (!getDerived().AlwaysRebuild() && |
| 4337 | EncodedType == E->getEncodedType()) |
| 4338 | return SemaRef.Owned(E->Retain()); |
| 4339 | |
| 4340 | return getDerived().RebuildObjCEncodeExpr(E->getAtLoc(), |
| 4341 | EncodedType, |
| 4342 | E->getRParenLoc()); |
| 4343 | } |
| 4344 | |
| 4345 | template<typename Derived> |
| 4346 | Sema::OwningExprResult |
| 4347 | TreeTransform<Derived>::TransformObjCMessageExpr(ObjCMessageExpr *E) { |
| 4348 | // FIXME: Implement this! |
| 4349 | assert(false && "Cannot transform Objective-C expressions yet"); |
| 4350 | return SemaRef.Owned(E->Retain()); |
| 4351 | } |
| 4352 | |
| 4353 | template<typename Derived> |
| 4354 | Sema::OwningExprResult |
| 4355 | TreeTransform<Derived>::TransformObjCSelectorExpr(ObjCSelectorExpr *E) { |
| 4356 | return SemaRef.Owned(E->Retain()); |
| 4357 | } |
| 4358 | |
| 4359 | template<typename Derived> |
| 4360 | Sema::OwningExprResult |
| 4361 | TreeTransform<Derived>::TransformObjCProtocolExpr(ObjCProtocolExpr *E) { |
| 4362 | ObjCProtocolDecl *Protocol |
| 4363 | = cast_or_null<ObjCProtocolDecl>( |
| 4364 | getDerived().TransformDecl(E->getProtocol())); |
| 4365 | if (!Protocol) |
| 4366 | return SemaRef.ExprError(); |
| 4367 | |
| 4368 | if (!getDerived().AlwaysRebuild() && |
| 4369 | Protocol == E->getProtocol()) |
| 4370 | return SemaRef.Owned(E->Retain()); |
| 4371 | |
| 4372 | return getDerived().RebuildObjCProtocolExpr(Protocol, |
| 4373 | E->getAtLoc(), |
| 4374 | /*FIXME:*/E->getAtLoc(), |
| 4375 | /*FIXME:*/E->getAtLoc(), |
| 4376 | E->getRParenLoc()); |
| 4377 | |
| 4378 | } |
| 4379 | |
| 4380 | template<typename Derived> |
| 4381 | Sema::OwningExprResult |
| 4382 | TreeTransform<Derived>::TransformObjCIvarRefExpr(ObjCIvarRefExpr *E) { |
| 4383 | // FIXME: Implement this! |
| 4384 | assert(false && "Cannot transform Objective-C expressions yet"); |
| 4385 | return SemaRef.Owned(E->Retain()); |
| 4386 | } |
| 4387 | |
| 4388 | template<typename Derived> |
| 4389 | Sema::OwningExprResult |
| 4390 | TreeTransform<Derived>::TransformObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { |
| 4391 | // FIXME: Implement this! |
| 4392 | assert(false && "Cannot transform Objective-C expressions yet"); |
| 4393 | return SemaRef.Owned(E->Retain()); |
| 4394 | } |
| 4395 | |
| 4396 | template<typename Derived> |
| 4397 | Sema::OwningExprResult |
Fariborz Jahanian | 09105f5 | 2009-08-20 17:02:02 +0000 | [diff] [blame] | 4398 | TreeTransform<Derived>::TransformObjCImplicitSetterGetterRefExpr( |
| 4399 | ObjCImplicitSetterGetterRefExpr *E) { |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4400 | // FIXME: Implement this! |
| 4401 | assert(false && "Cannot transform Objective-C expressions yet"); |
| 4402 | return SemaRef.Owned(E->Retain()); |
| 4403 | } |
| 4404 | |
| 4405 | template<typename Derived> |
| 4406 | Sema::OwningExprResult |
| 4407 | TreeTransform<Derived>::TransformObjCSuperExpr(ObjCSuperExpr *E) { |
| 4408 | // FIXME: Implement this! |
| 4409 | assert(false && "Cannot transform Objective-C expressions yet"); |
| 4410 | return SemaRef.Owned(E->Retain()); |
| 4411 | } |
| 4412 | |
| 4413 | template<typename Derived> |
| 4414 | Sema::OwningExprResult |
| 4415 | TreeTransform<Derived>::TransformObjCIsaExpr(ObjCIsaExpr *E) { |
| 4416 | // FIXME: Implement this! |
| 4417 | assert(false && "Cannot transform Objective-C expressions yet"); |
| 4418 | return SemaRef.Owned(E->Retain()); |
| 4419 | } |
| 4420 | |
| 4421 | template<typename Derived> |
| 4422 | Sema::OwningExprResult |
| 4423 | TreeTransform<Derived>::TransformShuffleVectorExpr(ShuffleVectorExpr *E) { |
| 4424 | bool ArgumentChanged = false; |
| 4425 | ASTOwningVector<&ActionBase::DeleteExpr> SubExprs(SemaRef); |
| 4426 | for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) { |
| 4427 | OwningExprResult SubExpr = getDerived().TransformExpr(E->getExpr(I)); |
| 4428 | if (SubExpr.isInvalid()) |
| 4429 | return SemaRef.ExprError(); |
| 4430 | |
| 4431 | ArgumentChanged = ArgumentChanged || SubExpr.get() != E->getExpr(I); |
| 4432 | SubExprs.push_back(SubExpr.takeAs<Expr>()); |
| 4433 | } |
| 4434 | |
| 4435 | if (!getDerived().AlwaysRebuild() && |
| 4436 | !ArgumentChanged) |
| 4437 | return SemaRef.Owned(E->Retain()); |
| 4438 | |
| 4439 | return getDerived().RebuildShuffleVectorExpr(E->getBuiltinLoc(), |
| 4440 | move_arg(SubExprs), |
| 4441 | E->getRParenLoc()); |
| 4442 | } |
| 4443 | |
| 4444 | template<typename Derived> |
| 4445 | Sema::OwningExprResult |
| 4446 | TreeTransform<Derived>::TransformBlockExpr(BlockExpr *E) { |
| 4447 | // FIXME: Implement this! |
| 4448 | assert(false && "Cannot transform block expressions yet"); |
| 4449 | return SemaRef.Owned(E->Retain()); |
| 4450 | } |
| 4451 | |
| 4452 | template<typename Derived> |
| 4453 | Sema::OwningExprResult |
| 4454 | TreeTransform<Derived>::TransformBlockDeclRefExpr(BlockDeclRefExpr *E) { |
| 4455 | // FIXME: Implement this! |
| 4456 | assert(false && "Cannot transform block-related expressions yet"); |
| 4457 | return SemaRef.Owned(E->Retain()); |
| 4458 | } |
| 4459 | |
| 4460 | //===----------------------------------------------------------------------===// |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 4461 | // Type reconstruction |
| 4462 | //===----------------------------------------------------------------------===// |
| 4463 | |
| 4464 | template<typename Derived> |
| 4465 | QualType TreeTransform<Derived>::RebuildPointerType(QualType PointeeType) { |
| 4466 | return SemaRef.BuildPointerType(PointeeType, 0, |
| 4467 | getDerived().getBaseLocation(), |
| 4468 | getDerived().getBaseEntity()); |
| 4469 | } |
| 4470 | |
| 4471 | template<typename Derived> |
| 4472 | QualType TreeTransform<Derived>::RebuildBlockPointerType(QualType PointeeType) { |
| 4473 | return SemaRef.BuildBlockPointerType(PointeeType, 0, |
| 4474 | getDerived().getBaseLocation(), |
| 4475 | getDerived().getBaseEntity()); |
| 4476 | } |
| 4477 | |
| 4478 | template<typename Derived> |
| 4479 | QualType |
| 4480 | TreeTransform<Derived>::RebuildLValueReferenceType(QualType ReferentType) { |
| 4481 | return SemaRef.BuildReferenceType(ReferentType, true, 0, |
| 4482 | getDerived().getBaseLocation(), |
| 4483 | getDerived().getBaseEntity()); |
| 4484 | } |
| 4485 | |
| 4486 | template<typename Derived> |
| 4487 | QualType |
| 4488 | TreeTransform<Derived>::RebuildRValueReferenceType(QualType ReferentType) { |
| 4489 | return SemaRef.BuildReferenceType(ReferentType, false, 0, |
| 4490 | getDerived().getBaseLocation(), |
| 4491 | getDerived().getBaseEntity()); |
| 4492 | } |
| 4493 | |
| 4494 | template<typename Derived> |
| 4495 | QualType TreeTransform<Derived>::RebuildMemberPointerType(QualType PointeeType, |
| 4496 | QualType ClassType) { |
| 4497 | return SemaRef.BuildMemberPointerType(PointeeType, ClassType, 0, |
| 4498 | getDerived().getBaseLocation(), |
| 4499 | getDerived().getBaseEntity()); |
| 4500 | } |
| 4501 | |
| 4502 | template<typename Derived> |
| 4503 | QualType |
| 4504 | TreeTransform<Derived>::RebuildArrayType(QualType ElementType, |
| 4505 | ArrayType::ArraySizeModifier SizeMod, |
| 4506 | const llvm::APInt *Size, |
| 4507 | Expr *SizeExpr, |
| 4508 | unsigned IndexTypeQuals, |
| 4509 | SourceRange BracketsRange) { |
| 4510 | if (SizeExpr || !Size) |
| 4511 | return SemaRef.BuildArrayType(ElementType, SizeMod, SizeExpr, |
| 4512 | IndexTypeQuals, BracketsRange, |
| 4513 | getDerived().getBaseEntity()); |
| 4514 | |
| 4515 | QualType Types[] = { |
| 4516 | SemaRef.Context.UnsignedCharTy, SemaRef.Context.UnsignedShortTy, |
| 4517 | SemaRef.Context.UnsignedIntTy, SemaRef.Context.UnsignedLongTy, |
| 4518 | SemaRef.Context.UnsignedLongLongTy, SemaRef.Context.UnsignedInt128Ty |
| 4519 | }; |
| 4520 | const unsigned NumTypes = sizeof(Types) / sizeof(QualType); |
| 4521 | QualType SizeType; |
| 4522 | for (unsigned I = 0; I != NumTypes; ++I) |
| 4523 | if (Size->getBitWidth() == SemaRef.Context.getIntWidth(Types[I])) { |
| 4524 | SizeType = Types[I]; |
| 4525 | break; |
| 4526 | } |
| 4527 | |
| 4528 | if (SizeType.isNull()) |
| 4529 | SizeType = SemaRef.Context.getFixedWidthIntType(Size->getBitWidth(), false); |
| 4530 | |
| 4531 | IntegerLiteral ArraySize(*Size, SizeType, /*FIXME*/BracketsRange.getBegin()); |
| 4532 | return SemaRef.BuildArrayType(ElementType, SizeMod, &ArraySize, |
| 4533 | IndexTypeQuals, BracketsRange, |
| 4534 | getDerived().getBaseEntity()); |
| 4535 | } |
| 4536 | |
| 4537 | template<typename Derived> |
| 4538 | QualType |
| 4539 | TreeTransform<Derived>::RebuildConstantArrayType(QualType ElementType, |
| 4540 | ArrayType::ArraySizeModifier SizeMod, |
| 4541 | const llvm::APInt &Size, |
| 4542 | unsigned IndexTypeQuals) { |
| 4543 | return getDerived().RebuildArrayType(ElementType, SizeMod, &Size, 0, |
| 4544 | IndexTypeQuals, SourceRange()); |
| 4545 | } |
| 4546 | |
| 4547 | template<typename Derived> |
| 4548 | QualType |
| 4549 | TreeTransform<Derived>::RebuildConstantArrayWithExprType(QualType ElementType, |
| 4550 | ArrayType::ArraySizeModifier SizeMod, |
| 4551 | const llvm::APInt &Size, |
| 4552 | Expr *SizeExpr, |
| 4553 | unsigned IndexTypeQuals, |
| 4554 | SourceRange BracketsRange) { |
| 4555 | return getDerived().RebuildArrayType(ElementType, SizeMod, &Size, SizeExpr, |
| 4556 | IndexTypeQuals, BracketsRange); |
| 4557 | } |
| 4558 | |
| 4559 | template<typename Derived> |
| 4560 | QualType |
| 4561 | TreeTransform<Derived>::RebuildConstantArrayWithoutExprType( |
| 4562 | QualType ElementType, |
| 4563 | ArrayType::ArraySizeModifier SizeMod, |
| 4564 | const llvm::APInt &Size, |
| 4565 | unsigned IndexTypeQuals) { |
| 4566 | return getDerived().RebuildArrayType(ElementType, SizeMod, &Size, 0, |
| 4567 | IndexTypeQuals, SourceRange()); |
| 4568 | } |
| 4569 | |
| 4570 | template<typename Derived> |
| 4571 | QualType |
| 4572 | TreeTransform<Derived>::RebuildIncompleteArrayType(QualType ElementType, |
| 4573 | ArrayType::ArraySizeModifier SizeMod, |
| 4574 | unsigned IndexTypeQuals) { |
| 4575 | return getDerived().RebuildArrayType(ElementType, SizeMod, 0, 0, |
| 4576 | IndexTypeQuals, SourceRange()); |
| 4577 | } |
| 4578 | |
| 4579 | template<typename Derived> |
| 4580 | QualType |
| 4581 | TreeTransform<Derived>::RebuildVariableArrayType(QualType ElementType, |
| 4582 | ArrayType::ArraySizeModifier SizeMod, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4583 | ExprArg SizeExpr, |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 4584 | unsigned IndexTypeQuals, |
| 4585 | SourceRange BracketsRange) { |
| 4586 | return getDerived().RebuildArrayType(ElementType, SizeMod, 0, |
| 4587 | SizeExpr.takeAs<Expr>(), |
| 4588 | IndexTypeQuals, BracketsRange); |
| 4589 | } |
| 4590 | |
| 4591 | template<typename Derived> |
| 4592 | QualType |
| 4593 | TreeTransform<Derived>::RebuildDependentSizedArrayType(QualType ElementType, |
| 4594 | ArrayType::ArraySizeModifier SizeMod, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4595 | ExprArg SizeExpr, |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 4596 | unsigned IndexTypeQuals, |
| 4597 | SourceRange BracketsRange) { |
| 4598 | return getDerived().RebuildArrayType(ElementType, SizeMod, 0, |
| 4599 | SizeExpr.takeAs<Expr>(), |
| 4600 | IndexTypeQuals, BracketsRange); |
| 4601 | } |
| 4602 | |
| 4603 | template<typename Derived> |
| 4604 | QualType TreeTransform<Derived>::RebuildVectorType(QualType ElementType, |
| 4605 | unsigned NumElements) { |
| 4606 | // FIXME: semantic checking! |
| 4607 | return SemaRef.Context.getVectorType(ElementType, NumElements); |
| 4608 | } |
| 4609 | |
| 4610 | template<typename Derived> |
| 4611 | QualType TreeTransform<Derived>::RebuildExtVectorType(QualType ElementType, |
| 4612 | unsigned NumElements, |
| 4613 | SourceLocation AttributeLoc) { |
| 4614 | llvm::APInt numElements(SemaRef.Context.getIntWidth(SemaRef.Context.IntTy), |
| 4615 | NumElements, true); |
| 4616 | IntegerLiteral *VectorSize |
| 4617 | = new (SemaRef.Context) IntegerLiteral(numElements, SemaRef.Context.IntTy, |
| 4618 | AttributeLoc); |
| 4619 | return SemaRef.BuildExtVectorType(ElementType, SemaRef.Owned(VectorSize), |
| 4620 | AttributeLoc); |
| 4621 | } |
| 4622 | |
| 4623 | template<typename Derived> |
| 4624 | QualType |
| 4625 | TreeTransform<Derived>::RebuildDependentSizedExtVectorType(QualType ElementType, |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4626 | ExprArg SizeExpr, |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 4627 | SourceLocation AttributeLoc) { |
| 4628 | return SemaRef.BuildExtVectorType(ElementType, move(SizeExpr), AttributeLoc); |
| 4629 | } |
| 4630 | |
| 4631 | template<typename Derived> |
| 4632 | QualType TreeTransform<Derived>::RebuildFunctionProtoType(QualType T, |
| 4633 | QualType *ParamTypes, |
| 4634 | unsigned NumParamTypes, |
| 4635 | bool Variadic, |
| 4636 | unsigned Quals) { |
| 4637 | return SemaRef.BuildFunctionType(T, ParamTypes, NumParamTypes, Variadic, |
| 4638 | Quals, |
| 4639 | getDerived().getBaseLocation(), |
| 4640 | getDerived().getBaseEntity()); |
| 4641 | } |
| 4642 | |
| 4643 | template<typename Derived> |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4644 | QualType TreeTransform<Derived>::RebuildTypeOfExprType(ExprArg E) { |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 4645 | return SemaRef.BuildTypeofExprType(E.takeAs<Expr>()); |
| 4646 | } |
| 4647 | |
| 4648 | template<typename Derived> |
| 4649 | QualType TreeTransform<Derived>::RebuildTypeOfType(QualType Underlying) { |
| 4650 | return SemaRef.Context.getTypeOfType(Underlying); |
| 4651 | } |
| 4652 | |
| 4653 | template<typename Derived> |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4654 | QualType TreeTransform<Derived>::RebuildDecltypeType(ExprArg E) { |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 4655 | return SemaRef.BuildDecltypeType(E.takeAs<Expr>()); |
| 4656 | } |
| 4657 | |
| 4658 | template<typename Derived> |
| 4659 | QualType TreeTransform<Derived>::RebuildTemplateSpecializationType( |
| 4660 | TemplateName Template, |
| 4661 | const TemplateArgument *Args, |
| 4662 | unsigned NumArgs) { |
| 4663 | // FIXME: Missing source locations for the template name, <, >. |
| 4664 | return SemaRef.CheckTemplateIdType(Template, getDerived().getBaseLocation(), |
| 4665 | SourceLocation(), Args, NumArgs, |
| 4666 | SourceLocation()); |
| 4667 | } |
| 4668 | |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 4669 | template<typename Derived> |
| 4670 | NestedNameSpecifier * |
| 4671 | TreeTransform<Derived>::RebuildNestedNameSpecifier(NestedNameSpecifier *Prefix, |
| 4672 | SourceRange Range, |
Douglas Gregor | a38c687 | 2009-09-03 16:14:30 +0000 | [diff] [blame] | 4673 | IdentifierInfo &II, |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 4674 | QualType ObjectType, |
| 4675 | NamedDecl *FirstQualifierInScope) { |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 4676 | CXXScopeSpec SS; |
| 4677 | // FIXME: The source location information is all wrong. |
| 4678 | SS.setRange(Range); |
| 4679 | SS.setScopeRep(Prefix); |
| 4680 | return static_cast<NestedNameSpecifier *>( |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 4681 | SemaRef.BuildCXXNestedNameSpecifier(0, SS, Range.getEnd(), |
Douglas Gregor | 495c35d | 2009-08-25 22:51:20 +0000 | [diff] [blame] | 4682 | Range.getEnd(), II, |
Douglas Gregor | c68afe2 | 2009-09-03 21:38:09 +0000 | [diff] [blame] | 4683 | ObjectType, |
| 4684 | FirstQualifierInScope, |
Douglas Gregor | 495c35d | 2009-08-25 22:51:20 +0000 | [diff] [blame] | 4685 | false)); |
Douglas Gregor | dcee1a1 | 2009-08-06 05:28:30 +0000 | [diff] [blame] | 4686 | } |
| 4687 | |
| 4688 | template<typename Derived> |
| 4689 | NestedNameSpecifier * |
| 4690 | TreeTransform<Derived>::RebuildNestedNameSpecifier(NestedNameSpecifier *Prefix, |
| 4691 | SourceRange Range, |
| 4692 | NamespaceDecl *NS) { |
| 4693 | return NestedNameSpecifier::Create(SemaRef.Context, Prefix, NS); |
| 4694 | } |
| 4695 | |
| 4696 | template<typename Derived> |
| 4697 | NestedNameSpecifier * |
| 4698 | TreeTransform<Derived>::RebuildNestedNameSpecifier(NestedNameSpecifier *Prefix, |
| 4699 | SourceRange Range, |
| 4700 | bool TemplateKW, |
| 4701 | QualType T) { |
| 4702 | if (T->isDependentType() || T->isRecordType() || |
| 4703 | (SemaRef.getLangOptions().CPlusPlus0x && T->isEnumeralType())) { |
| 4704 | assert(T.getCVRQualifiers() == 0 && "Can't get cv-qualifiers here"); |
| 4705 | return NestedNameSpecifier::Create(SemaRef.Context, Prefix, TemplateKW, |
| 4706 | T.getTypePtr()); |
| 4707 | } |
| 4708 | |
| 4709 | SemaRef.Diag(Range.getBegin(), diag::err_nested_name_spec_non_tag) << T; |
| 4710 | return 0; |
| 4711 | } |
| 4712 | |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 4713 | template<typename Derived> |
| 4714 | TemplateName |
| 4715 | TreeTransform<Derived>::RebuildTemplateName(NestedNameSpecifier *Qualifier, |
| 4716 | bool TemplateKW, |
| 4717 | TemplateDecl *Template) { |
| 4718 | return SemaRef.Context.getQualifiedTemplateName(Qualifier, TemplateKW, |
| 4719 | Template); |
| 4720 | } |
| 4721 | |
| 4722 | template<typename Derived> |
| 4723 | TemplateName |
| 4724 | TreeTransform<Derived>::RebuildTemplateName(NestedNameSpecifier *Qualifier, |
| 4725 | bool TemplateKW, |
| 4726 | OverloadedFunctionDecl *Ovl) { |
| 4727 | return SemaRef.Context.getQualifiedTemplateName(Qualifier, TemplateKW, Ovl); |
| 4728 | } |
| 4729 | |
| 4730 | template<typename Derived> |
| 4731 | TemplateName |
| 4732 | TreeTransform<Derived>::RebuildTemplateName(NestedNameSpecifier *Qualifier, |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 4733 | const IdentifierInfo &II, |
| 4734 | QualType ObjectType) { |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 4735 | CXXScopeSpec SS; |
| 4736 | SS.setRange(SourceRange(getDerived().getBaseLocation())); |
Douglas Gregor | 3b6afbb | 2009-09-09 00:23:06 +0000 | [diff] [blame^] | 4737 | SS.setScopeRep(Qualifier); |
| 4738 | return getSema().ActOnDependentTemplateName( |
| 4739 | /*FIXME:*/getDerived().getBaseLocation(), |
| 4740 | II, |
| 4741 | /*FIXME:*/getDerived().getBaseLocation(), |
| 4742 | SS, |
| 4743 | ObjectType.getAsOpaquePtr()) |
| 4744 | .template getAsVal<TemplateName>(); |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 4745 | } |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4746 | |
| 4747 | template<typename Derived> |
| 4748 | Sema::OwningExprResult |
| 4749 | TreeTransform<Derived>::RebuildCXXOperatorCallExpr(OverloadedOperatorKind Op, |
| 4750 | SourceLocation OpLoc, |
| 4751 | ExprArg Callee, |
| 4752 | ExprArg First, |
| 4753 | ExprArg Second) { |
| 4754 | Expr *FirstExpr = (Expr *)First.get(); |
| 4755 | Expr *SecondExpr = (Expr *)Second.get(); |
| 4756 | bool isPostIncDec = SecondExpr && (Op == OO_PlusPlus || Op == OO_MinusMinus); |
| 4757 | |
| 4758 | // Determine whether this should be a builtin operation. |
| 4759 | if (SecondExpr == 0 || isPostIncDec) { |
| 4760 | if (!FirstExpr->getType()->isOverloadableType()) { |
| 4761 | // The argument is not of overloadable type, so try to create a |
| 4762 | // built-in unary operation. |
| 4763 | UnaryOperator::Opcode Opc |
| 4764 | = UnaryOperator::getOverloadedOpcode(Op, isPostIncDec); |
| 4765 | |
| 4766 | return getSema().CreateBuiltinUnaryOp(OpLoc, Opc, move(First)); |
| 4767 | } |
| 4768 | } else { |
| 4769 | if (!FirstExpr->getType()->isOverloadableType() && |
| 4770 | !SecondExpr->getType()->isOverloadableType()) { |
| 4771 | // Neither of the arguments is an overloadable type, so try to |
| 4772 | // create a built-in binary operation. |
| 4773 | BinaryOperator::Opcode Opc = BinaryOperator::getOverloadedOpcode(Op); |
| 4774 | OwningExprResult Result |
| 4775 | = SemaRef.CreateBuiltinBinOp(OpLoc, Opc, FirstExpr, SecondExpr); |
| 4776 | if (Result.isInvalid()) |
| 4777 | return SemaRef.ExprError(); |
| 4778 | |
| 4779 | First.release(); |
| 4780 | Second.release(); |
| 4781 | return move(Result); |
| 4782 | } |
| 4783 | } |
| 4784 | |
| 4785 | // Compute the transformed set of functions (and function templates) to be |
| 4786 | // used during overload resolution. |
| 4787 | Sema::FunctionSet Functions; |
| 4788 | |
Douglas Gregor | 8f1d89e | 2009-09-01 16:58:52 +0000 | [diff] [blame] | 4789 | DeclRefExpr *DRE |
| 4790 | = cast<DeclRefExpr>(((Expr *)Callee.get())->IgnoreParenCasts()); |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4791 | |
| 4792 | // FIXME: Do we have to check |
| 4793 | // IsAcceptableNonMemberOperatorCandidate for each of these? |
Douglas Gregor | 8f1d89e | 2009-09-01 16:58:52 +0000 | [diff] [blame] | 4794 | for (OverloadIterator F(DRE->getDecl()), FEnd; F != FEnd; ++F) |
Douglas Gregor | b98b199 | 2009-08-11 05:31:07 +0000 | [diff] [blame] | 4795 | Functions.insert(*F); |
| 4796 | |
| 4797 | // Add any functions found via argument-dependent lookup. |
| 4798 | Expr *Args[2] = { FirstExpr, SecondExpr }; |
| 4799 | unsigned NumArgs = 1 + (SecondExpr != 0); |
| 4800 | DeclarationName OpName |
| 4801 | = SemaRef.Context.DeclarationNames.getCXXOperatorName(Op); |
| 4802 | SemaRef.ArgumentDependentLookup(OpName, Args, NumArgs, Functions); |
| 4803 | |
| 4804 | // Create the overloaded operator invocation for unary operators. |
| 4805 | if (NumArgs == 1 || isPostIncDec) { |
| 4806 | UnaryOperator::Opcode Opc |
| 4807 | = UnaryOperator::getOverloadedOpcode(Op, isPostIncDec); |
| 4808 | return SemaRef.CreateOverloadedUnaryOp(OpLoc, Opc, Functions, move(First)); |
| 4809 | } |
| 4810 | |
| 4811 | // Create the overloaded operator invocation for binary operators. |
| 4812 | BinaryOperator::Opcode Opc = |
| 4813 | BinaryOperator::getOverloadedOpcode(Op); |
| 4814 | OwningExprResult Result |
| 4815 | = SemaRef.CreateOverloadedBinOp(OpLoc, Opc, Functions, Args[0], Args[1]); |
| 4816 | if (Result.isInvalid()) |
| 4817 | return SemaRef.ExprError(); |
| 4818 | |
| 4819 | First.release(); |
| 4820 | Second.release(); |
| 4821 | return move(Result); |
| 4822 | } |
Douglas Gregor | d1067e5 | 2009-08-06 06:41:21 +0000 | [diff] [blame] | 4823 | |
Douglas Gregor | 577f75a | 2009-08-04 16:50:30 +0000 | [diff] [blame] | 4824 | } // end namespace clang |
| 4825 | |
| 4826 | #endif // LLVM_CLANG_SEMA_TREETRANSFORM_H |