Extend CXXRecordDecl with a function that determines the mapping from

the variables captured by a lambda to the fields that store the
captured values. To be used in IRgen.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150235 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 1 deletions

diff --git a/include/clang/AST/ASTContext.h b/include/clang/AST/ASTContext.h
index 3236977030..82570f594d 100644
--- a/include/clang/AST/ASTContext.h
+++ b/include/clang/AST/ASTContext.h
@@ -59,6 +59,7 @@ namespace clang {
   class CXXRecordDecl;
   class Decl;
   class FieldDecl;
+  class LambdaExpr;
   class MangleContext;
   class ObjCIvarDecl;
   class ObjCIvarRefExpr;
@@ -163,6 +164,10 @@ class ASTContext : public llvm::RefCountedBase<ASTContext> {
   llvm::DenseMap<const FunctionDecl*, FunctionDecl*>
     ClassScopeSpecializationPattern;
 
+  /// \brief Mapping from closure types to the lambda expressions that
+  /// create instances of them.
+  llvm::DenseMap<const CXXRecordDecl *, LambdaExpr *> Lambdas;
+
   /// \brief Representation of a "canonical" template template parameter that
   /// is used in canonical template names.
   class CanonicalTemplateTemplateParm : public llvm::FoldingSetNode {
@@ -358,7 +363,8 @@ class ASTContext : public llvm::RefCountedBase<ASTContext> {
   friend class ASTDeclReader;
   friend class ASTReader;
   friend class ASTWriter;
-  
+  friend class CXXRecordDecl;
+
   const TargetInfo *Target;
   clang::PrintingPolicy PrintingPolicy;