1259701Sdim//===--- MangleNumberingContext.cpp - Context for mangling numbers --------===//
2259701Sdim//
3259701Sdim//                     The LLVM Compiler Infrastructure
4259701Sdim//
5259701Sdim// This file is distributed under the University of Illinois Open Source
6259701Sdim// License. See LICENSE.TXT for details.
7259701Sdim//
8259701Sdim//===----------------------------------------------------------------------===//
9259701Sdim//
10259701Sdim//  This file defines the LambdaMangleContext class, which keeps track of
11259701Sdim//  the Itanium C++ ABI mangling numbers for lambda expressions.
12259701Sdim//
13259701Sdim//===----------------------------------------------------------------------===//
14259701Sdim
15259701Sdim#include "clang/AST/MangleNumberingContext.h"
16259701Sdim#include "clang/AST/ASTContext.h"
17259701Sdim#include "clang/AST/DeclCXX.h"
18259701Sdim
19259701Sdimusing namespace clang;
20259701Sdim
21259701Sdimunsigned
22259701SdimMangleNumberingContext::getManglingNumber(const CXXMethodDecl *CallOperator) {
23259701Sdim  const FunctionProtoType *Proto
24259701Sdim    = CallOperator->getType()->getAs<FunctionProtoType>();
25259701Sdim  ASTContext &Context = CallOperator->getASTContext();
26259701Sdim
27259701Sdim  QualType Key = Context.getFunctionType(Context.VoidTy, Proto->getArgTypes(),
28259701Sdim                                         FunctionProtoType::ExtProtoInfo());
29259701Sdim  Key = Context.getCanonicalType(Key);
30259701Sdim  return ++ManglingNumbers[Key->castAs<FunctionProtoType>()];
31259701Sdim}
32259701Sdim
33259701Sdimunsigned
34259701SdimMangleNumberingContext::getManglingNumber(const BlockDecl *BD) {
35259701Sdim  // FIXME: Compute a BlockPointerType?  Not obvious how.
36259701Sdim  const Type *Ty = 0;
37259701Sdim  return ++ManglingNumbers[Ty];
38259701Sdim}
39259701Sdim
40259701Sdimunsigned
41259701SdimMangleNumberingContext::getManglingNumber(const TagDecl *TD) {
42259701Sdim  return ++TagManglingNumbers[TD->getIdentifier()];
43259701Sdim}
44