Add support for C++0x's range-based for loops, as specified by the C++11 draft standard (N3291).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129541 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 7317928..eea5394 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -2754,6 +2754,22 @@
return QualType(AT, 0);
}
+/// getAutoDeductType - Get type pattern for deducing against 'auto'.
+QualType ASTContext::getAutoDeductType() const {
+ if (AutoDeductTy.isNull())
+ AutoDeductTy = getAutoType(QualType());
+ assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern");
+ return AutoDeductTy;
+}
+
+/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'.
+QualType ASTContext::getAutoRRefDeductType() const {
+ if (AutoRRefDeductTy.isNull())
+ AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType());
+ assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern");
+ return AutoRRefDeductTy;
+}
+
/// getTagDeclType - Return the unique reference to the type for the
/// specified TagDecl (struct/union/class/enum) decl.
QualType ASTContext::getTagDeclType(const TagDecl *Decl) const {