1 //===--- ExternalSemaSource.h - External Sema Interface ---------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the ExternalSemaSource interface.
12 //===----------------------------------------------------------------------===//
13 #ifndef LLVM_CLANG_SEMA_EXTERNAL_SEMA_SOURCE_H
14 #define LLVM_CLANG_SEMA_EXTERNAL_SEMA_SOURCE_H
16 #include "clang/AST/DeclObjC.h"
17 #include "clang/AST/ExternalASTSource.h"
23 /// \brief An abstract interface that should be implemented by
24 /// external AST sources that also provide information for semantic
26 class ExternalSemaSource : public ExternalASTSource {
28 ExternalSemaSource() {
29 ExternalASTSource::SemaSource = true;
32 /// \brief Initialize the semantic source with the Sema instance
33 /// being used to perform semantic analysis on the abstract syntax
35 virtual void InitializeSema(Sema &S) {}
37 /// \brief Inform the semantic consumer that Sema is no longer available.
38 virtual void ForgetSema() {}
40 /// \brief Load the contents of the global method pool for a given
43 /// \returns a pair of Objective-C methods lists containing the
44 /// instance and factory methods, respectively, with this selector.
45 virtual std::pair<ObjCMethodList, ObjCMethodList>
46 ReadMethodPool(Selector Sel) {
47 return std::pair<ObjCMethodList, ObjCMethodList>();
50 // isa/cast/dyn_cast support
51 static bool classof(const ExternalASTSource *Source) {
52 return Source->SemaSource;
54 static bool classof(const ExternalSemaSource *) { return true; }
57 } // end namespace clang