private BoundExpression VisitInitializer(BoundExpression node, out InitializerKind kind)
{
switch (node.Kind)
{
case BoundKind.ObjectInitializerExpression:
{
var oi = (BoundObjectInitializerExpression)node;
var builder = ArrayBuilder <BoundExpression> .GetInstance();
foreach (BoundAssignmentOperator a in oi.Initializers)
{
var sym = ((BoundObjectInitializerMember)a.Left).MemberSymbol;
// An error is reported in diagnostics pass when a dynamic object initializer is encountered in an ET:
Debug.Assert((object)sym != null);
InitializerKind elementKind;
var value = VisitInitializer(a.Right, out elementKind);
switch (elementKind)
{
case InitializerKind.CollectionInitializer:
{
var left = InitializerMemberGetter(sym);
builder.Add(ExprFactory("ListBind", left, value));
break;
}
case InitializerKind.Expression:
{
var left = InitializerMemberSetter(sym);
builder.Add(ExprFactory("Bind", left, value));
break;
}
case InitializerKind.MemberInitializer:
{
var left = InitializerMemberGetter(sym);
builder.Add(ExprFactory("MemberBind", left, value));
break;
}
default:
throw ExceptionUtilities.UnexpectedValue(elementKind);
}
}
kind = InitializerKind.MemberInitializer;
return(_bound.ArrayOrEmpty(MemberBindingType, builder.ToImmutableAndFree()));
}
case BoundKind.CollectionInitializerExpression:
{
var ci = (BoundCollectionInitializerExpression)node;
Debug.Assert(ci.Initializers.Length != 0);
kind = InitializerKind.CollectionInitializer;
var builder = ArrayBuilder <BoundExpression> .GetInstance();
// The method invocation must be a static call.
// Dynamic calls are not allowed in ETs, an error is reported in diagnostics pass.
foreach (BoundCollectionElementInitializer i in ci.Initializers)
{
BoundExpression elementInit = ExprFactory("ElementInit", _bound.MethodInfo(i.AddMethod), Expressions(i.Arguments));
builder.Add(elementInit);
}
return(_bound.ArrayOrEmpty(ElementInitType, builder.ToImmutableAndFree()));
}
default:
{
kind = InitializerKind.Expression;
return(Visit(node));
}
}
}
private BoundExpression VisitInitializer(BoundExpression node, out InitializerKind kind)
{
switch (node.Kind)
{
case BoundKind.ObjectInitializerExpression:
{
var oi = (BoundObjectInitializerExpression)node;
var builder = ArrayBuilder<BoundExpression>.GetInstance();
foreach (BoundAssignmentOperator a in oi.Initializers)
{
var sym = ((BoundObjectInitializerMember)a.Left).MemberSymbol;
// An error is reported in diagnostics pass when a dynamic object initializer is encountered in an ET:
Debug.Assert((object)sym != null);
InitializerKind elementKind;
var value = VisitInitializer(a.Right, out elementKind);
switch (elementKind)
{
case InitializerKind.CollectionInitializer:
{
var left = InitializerMemberGetter(sym);
builder.Add(ExprFactory("ListBind", left, value));
break;
}
case InitializerKind.Expression:
{
var left = InitializerMemberSetter(sym);
builder.Add(ExprFactory("Bind", left, value));
break;
}
case InitializerKind.MemberInitializer:
{
var left = InitializerMemberGetter(sym);
builder.Add(ExprFactory("MemberBind", left, value));
break;
}
default:
throw ExceptionUtilities.UnexpectedValue(elementKind);
}
}
kind = InitializerKind.MemberInitializer;
return _bound.Array(MemberBindingType, builder.ToImmutableAndFree());
}
case BoundKind.CollectionInitializerExpression:
{
var ci = (BoundCollectionInitializerExpression)node;
Debug.Assert(ci.Initializers.Length != 0);
kind = InitializerKind.CollectionInitializer;
var builder = ArrayBuilder<BoundExpression>.GetInstance();
// The method invocation must be a static call.
// Dynamic calls are not allowed in ETs, an error is reported in diagnostics pass.
foreach (BoundCollectionElementInitializer i in ci.Initializers)
{
BoundExpression elementInit = ExprFactory("ElementInit", _bound.MethodInfo(i.AddMethod), Expressions(i.Arguments));
builder.Add(elementInit);
}
return _bound.Array(ElementInitType, builder.ToImmutableAndFree());
}
default:
{
kind = InitializerKind.Expression;
return Visit(node);
}
}
}
public CodeConstructorInitializer(InitializerKind kind, IEnumerable <CodeExpression> arguments)
{
Kind = kind;
Arguments.AddRange(arguments);
}
