1 //===--- LambdaMangleContext.cpp - Context for mangling lambdas -*- 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 LambdaMangleContext class, which keeps track of
11 // the Itanium C++ ABI mangling numbers for lambda expressions.
13 //===----------------------------------------------------------------------===//
15 #include "clang/AST/LambdaMangleContext.h"
16 #include "clang/AST/ASTContext.h"
17 #include "clang/AST/DeclCXX.h"
19 using namespace clang;
21 unsigned LambdaMangleContext::getManglingNumber(CXXMethodDecl *CallOperator) {
22 const FunctionProtoType *Proto
23 = CallOperator->getType()->getAs<FunctionProtoType>();
24 ASTContext &Context = CallOperator->getASTContext();
27 Context.getFunctionType(Context.VoidTy,
28 ArrayRef<QualType>(Proto->arg_type_begin(),
30 FunctionProtoType::ExtProtoInfo());
31 Key = Context.getCanonicalType(Key);
32 return ++ManglingNumbers[Key->castAs<FunctionProtoType>()];