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Diffstat (limited to 'include/clang/AST/ASTImporter.h')
| -rw-r--r-- | include/clang/AST/ASTImporter.h | 295 |
1 files changed, 0 insertions, 295 deletions
diff --git a/include/clang/AST/ASTImporter.h b/include/clang/AST/ASTImporter.h deleted file mode 100644 index ee48955..0000000 --- a/include/clang/AST/ASTImporter.h +++ /dev/null @@ -1,295 +0,0 @@ -//===--- ASTImporter.h - Importing ASTs from other Contexts -----*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines the ASTImporter class which imports AST nodes from one -// context into another context. -// -//===----------------------------------------------------------------------===// -#ifndef LLVM_CLANG_AST_ASTIMPORTER_H -#define LLVM_CLANG_AST_ASTIMPORTER_H - -#include "clang/AST/DeclarationName.h" -#include "clang/AST/Type.h" -#include "clang/Basic/SourceLocation.h" -#include "llvm/ADT/DenseMap.h" -#include "llvm/ADT/DenseSet.h" -#include "llvm/ADT/SmallVector.h" - -namespace clang { - class ASTContext; - class Decl; - class DeclContext; - class DiagnosticsEngine; - class Expr; - class FileManager; - class IdentifierInfo; - class NestedNameSpecifier; - class Stmt; - class TypeSourceInfo; - - /// \brief Imports selected nodes from one AST context into another context, - /// merging AST nodes where appropriate. - class ASTImporter { - public: - typedef llvm::DenseSet<std::pair<Decl *, Decl *> > NonEquivalentDeclSet; - - private: - /// \brief The contexts we're importing to and from. - ASTContext &ToContext, &FromContext; - - /// \brief The file managers we're importing to and from. - FileManager &ToFileManager, &FromFileManager; - - /// \brief Whether to perform a minimal import. - bool Minimal; - - /// \brief Whether the last diagnostic came from the "from" context. - bool LastDiagFromFrom; - - /// \brief Mapping from the already-imported types in the "from" context - /// to the corresponding types in the "to" context. - llvm::DenseMap<const Type *, const Type *> ImportedTypes; - - /// \brief Mapping from the already-imported declarations in the "from" - /// context to the corresponding declarations in the "to" context. - llvm::DenseMap<Decl *, Decl *> ImportedDecls; - - /// \brief Mapping from the already-imported statements in the "from" - /// context to the corresponding statements in the "to" context. - llvm::DenseMap<Stmt *, Stmt *> ImportedStmts; - - /// \brief Mapping from the already-imported FileIDs in the "from" source - /// manager to the corresponding FileIDs in the "to" source manager. - llvm::DenseMap<FileID, FileID> ImportedFileIDs; - - /// \brief Imported, anonymous tag declarations that are missing their - /// corresponding typedefs. - SmallVector<TagDecl *, 4> AnonTagsWithPendingTypedefs; - - /// \brief Declaration (from, to) pairs that are known not to be equivalent - /// (which we have already complained about). - NonEquivalentDeclSet NonEquivalentDecls; - - public: - /// \brief Create a new AST importer. - /// - /// \param ToContext The context we'll be importing into. - /// - /// \param ToFileManager The file manager we'll be importing into. - /// - /// \param FromContext The context we'll be importing from. - /// - /// \param FromFileManager The file manager we'll be importing into. - /// - /// \param MinimalImport If true, the importer will attempt to import - /// as little as it can, e.g., by importing declarations as forward - /// declarations that can be completed at a later point. - ASTImporter(ASTContext &ToContext, FileManager &ToFileManager, - ASTContext &FromContext, FileManager &FromFileManager, - bool MinimalImport); - - virtual ~ASTImporter(); - - /// \brief Whether the importer will perform a minimal import, creating - /// to-be-completed forward declarations when possible. - bool isMinimalImport() const { return Minimal; } - - /// \brief Import the given type from the "from" context into the "to" - /// context. - /// - /// \returns the equivalent type in the "to" context, or a NULL type if - /// an error occurred. - QualType Import(QualType FromT); - - /// \brief Import the given type source information from the - /// "from" context into the "to" context. - /// - /// \returns the equivalent type source information in the "to" - /// context, or NULL if an error occurred. - TypeSourceInfo *Import(TypeSourceInfo *FromTSI); - - /// \brief Import the given declaration from the "from" context into the - /// "to" context. - /// - /// \returns the equivalent declaration in the "to" context, or a NULL type - /// if an error occurred. - Decl *Import(Decl *FromD); - - /// \brief Return the copy of the given declaration in the "to" context if - /// it has already been imported from the "from" context. Otherwise return - /// NULL. - Decl *GetAlreadyImportedOrNull(Decl *FromD); - - /// \brief Import the given declaration context from the "from" - /// AST context into the "to" AST context. - /// - /// \returns the equivalent declaration context in the "to" - /// context, or a NULL type if an error occurred. - DeclContext *ImportContext(DeclContext *FromDC); - - /// \brief Import the given expression from the "from" context into the - /// "to" context. - /// - /// \returns the equivalent expression in the "to" context, or NULL if - /// an error occurred. - Expr *Import(Expr *FromE); - - /// \brief Import the given statement from the "from" context into the - /// "to" context. - /// - /// \returns the equivalent statement in the "to" context, or NULL if - /// an error occurred. - Stmt *Import(Stmt *FromS); - - /// \brief Import the given nested-name-specifier from the "from" - /// context into the "to" context. - /// - /// \returns the equivalent nested-name-specifier in the "to" - /// context, or NULL if an error occurred. - NestedNameSpecifier *Import(NestedNameSpecifier *FromNNS); - - /// \brief Import the given nested-name-specifier from the "from" - /// context into the "to" context. - /// - /// \returns the equivalent nested-name-specifier in the "to" - /// context. - NestedNameSpecifierLoc Import(NestedNameSpecifierLoc FromNNS); - - /// \brief Import the goven template name from the "from" context into the - /// "to" context. - TemplateName Import(TemplateName From); - - /// \brief Import the given source location from the "from" context into - /// the "to" context. - /// - /// \returns the equivalent source location in the "to" context, or an - /// invalid source location if an error occurred. - SourceLocation Import(SourceLocation FromLoc); - - /// \brief Import the given source range from the "from" context into - /// the "to" context. - /// - /// \returns the equivalent source range in the "to" context, or an - /// invalid source location if an error occurred. - SourceRange Import(SourceRange FromRange); - - /// \brief Import the given declaration name from the "from" - /// context into the "to" context. - /// - /// \returns the equivalent declaration name in the "to" context, - /// or an empty declaration name if an error occurred. - DeclarationName Import(DeclarationName FromName); - - /// \brief Import the given identifier from the "from" context - /// into the "to" context. - /// - /// \returns the equivalent identifier in the "to" context. - IdentifierInfo *Import(const IdentifierInfo *FromId); - - /// \brief Import the given Objective-C selector from the "from" - /// context into the "to" context. - /// - /// \returns the equivalent selector in the "to" context. - Selector Import(Selector FromSel); - - /// \brief Import the given file ID from the "from" context into the - /// "to" context. - /// - /// \returns the equivalent file ID in the source manager of the "to" - /// context. - FileID Import(FileID); - - /// \brief Import the definition of the given declaration, including all of - /// the declarations it contains. - /// - /// This routine is intended to be used - void ImportDefinition(Decl *From); - - /// \brief Cope with a name conflict when importing a declaration into the - /// given context. - /// - /// This routine is invoked whenever there is a name conflict while - /// importing a declaration. The returned name will become the name of the - /// imported declaration. By default, the returned name is the same as the - /// original name, leaving the conflict unresolve such that name lookup - /// for this name is likely to find an ambiguity later. - /// - /// Subclasses may override this routine to resolve the conflict, e.g., by - /// renaming the declaration being imported. - /// - /// \param Name the name of the declaration being imported, which conflicts - /// with other declarations. - /// - /// \param DC the declaration context (in the "to" AST context) in which - /// the name is being imported. - /// - /// \param IDNS the identifier namespace in which the name will be found. - /// - /// \param Decls the set of declarations with the same name as the - /// declaration being imported. - /// - /// \param NumDecls the number of conflicting declarations in \p Decls. - /// - /// \returns the name that the newly-imported declaration should have. - virtual DeclarationName HandleNameConflict(DeclarationName Name, - DeclContext *DC, - unsigned IDNS, - NamedDecl **Decls, - unsigned NumDecls); - - /// \brief Retrieve the context that AST nodes are being imported into. - ASTContext &getToContext() const { return ToContext; } - - /// \brief Retrieve the context that AST nodes are being imported from. - ASTContext &getFromContext() const { return FromContext; } - - /// \brief Retrieve the file manager that AST nodes are being imported into. - FileManager &getToFileManager() const { return ToFileManager; } - - /// \brief Retrieve the file manager that AST nodes are being imported from. - FileManager &getFromFileManager() const { return FromFileManager; } - - /// \brief Report a diagnostic in the "to" context. - DiagnosticBuilder ToDiag(SourceLocation Loc, unsigned DiagID); - - /// \brief Report a diagnostic in the "from" context. - DiagnosticBuilder FromDiag(SourceLocation Loc, unsigned DiagID); - - /// \brief Return the set of declarations that we know are not equivalent. - NonEquivalentDeclSet &getNonEquivalentDecls() { return NonEquivalentDecls; } - - /// \brief Called for ObjCInterfaceDecl, ObjCProtocolDecl, and TagDecl. - /// Mark the Decl as complete, filling it in as much as possible. - /// - /// \param D A declaration in the "to" context. - virtual void CompleteDecl(Decl* D); - - /// \brief Note that we have imported the "from" declaration by mapping it - /// to the (potentially-newly-created) "to" declaration. - /// - /// Subclasses can override this function to observe all of the \c From -> - /// \c To declaration mappings as they are imported. - virtual Decl *Imported(Decl *From, Decl *To); - - /// \brief Called by StructuralEquivalenceContext. If a RecordDecl is - /// being compared to another RecordDecl as part of import, completing the - /// other RecordDecl may trigger importation of the first RecordDecl. This - /// happens especially for anonymous structs. If the original of the second - /// RecordDecl can be found, we can complete it without the need for - /// importation, eliminating this loop. - virtual Decl *GetOriginalDecl(Decl *To) { return nullptr; } - - /// \brief Determine whether the given types are structurally - /// equivalent. - bool IsStructurallyEquivalent(QualType From, QualType To, - bool Complain = true); - }; -} - -#endif // LLVM_CLANG_AST_ASTIMPORTER_H |
