1 //===--- ObjCMethodList.h - A singly linked list of methods -----*- 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 ObjCMethodList, a singly-linked list of methods.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_CLANG_SEMA_OBJCMETHODLIST_H
15 #define LLVM_CLANG_SEMA_OBJCMETHODLIST_H
17 #include "llvm/ADT/PointerIntPair.h"
23 /// \brief a linked list of methods with the same selector name but different
25 struct ObjCMethodList {
26 // NOTE: If you add any members to this struct, make sure to serialize them.
27 /// \brief If there is more than one decl with this signature.
28 llvm::PointerIntPair<ObjCMethodDecl *, 1> MethodAndHasMoreThanOneDecl;
29 /// \brief The next list object and 2 bits for extra info.
30 llvm::PointerIntPair<ObjCMethodList *, 2> NextAndExtraBits;
33 ObjCMethodList(ObjCMethodDecl *M)
34 : MethodAndHasMoreThanOneDecl(M, 0) {}
36 ObjCMethodList *getNext() const { return NextAndExtraBits.getPointer(); }
37 unsigned getBits() const { return NextAndExtraBits.getInt(); }
38 void setNext(ObjCMethodList *L) { NextAndExtraBits.setPointer(L); }
39 void setBits(unsigned B) { NextAndExtraBits.setInt(B); }
41 ObjCMethodDecl *getMethod() const {
42 return MethodAndHasMoreThanOneDecl.getPointer();
44 void setMethod(ObjCMethodDecl *M) {
45 return MethodAndHasMoreThanOneDecl.setPointer(M);
48 bool hasMoreThanOneDecl() const {
49 return MethodAndHasMoreThanOneDecl.getInt();
51 void setHasMoreThanOneDecl(bool B) {
52 return MethodAndHasMoreThanOneDecl.setInt(B);