public UnifiedElement VisitPrimitiveExpression(
PrimitiveExpression prim, object data)
{
if (prim.Value == null)
{
return(UnifiedNullLiteral.Create());
}
if (prim.Value is bool)
{
return(UnifiedBooleanLiteral.Create((bool)prim.Value));
}
if (prim.Value is Int32)
{
return(UnifiedIntegerLiteral.CreateInt32((Int32)prim.Value));
}
if (prim.Value is UInt32)
{
return(UnifiedIntegerLiteral.CreateUInt32((UInt32)prim.Value));
}
if (prim.Value is Int64)
{
return(UnifiedIntegerLiteral.CreateInt64((Int64)prim.Value));
}
if (prim.Value is UInt64)
{
return(UnifiedIntegerLiteral.CreateUInt64((UInt64)prim.Value));
}
if (prim.Value is Single)
{
return(UnifiedFractionLiteral.Create(
(Single)prim.Value, UnifiedFractionLiteralKind.Single));
}
if (prim.Value is double)
{
return(UnifiedFractionLiteral.Create(
(double)prim.Value, UnifiedFractionLiteralKind.Double));
}
if (prim.Value is char)
{
return(UnifiedCharLiteral.Create(((char)prim.Value).ToString()));
}
if (prim.Value is string)
{
return(UnifiedStringLiteral.Create(prim.LiteralValue));
}
throw new NotImplementedException(
"value type is " + prim.Value.GetType());
}
public override bool Visit(
UnifiedNullLiteral element, VisitorArgument arg)
{
Writer.Write("null");
return false;
}
public UnifiedElement VisitNullReferenceExpression(
NullReferenceExpression expr, object data)
{
return(UnifiedNullLiteral.Create());
}
public override bool Visit(
UnifiedNullLiteral element, VisitorArgument arg)
{
Writer.Write("null");
return(false);
}
