public override String Print(int depth)
{
var str = LValue.Print(depth) + " = ";
if (Qualifier != null)
{
str += Qualifier.Print(depth);
}
else
{
str += (Expr == null ? Statement.Print(depth) : Expr.Print(depth));
}
return(str);
}
public override void VisitQualifier(Qualifier n)
{
n.Expression.Visit(this);
MethodInfo info = null;
switch (n.Type.ToLower())
{
case "date":
info = typeof (DateTime).GetMethod("Parse", BindingFlags.Public | BindingFlags.Static, null,
new[] { _lastWalkedType }, null);
break;
case "real":
info = typeof(Double).GetMethod("Parse", BindingFlags.Public | BindingFlags.Static, null,
new[] { _lastWalkedType }, null);
break;
case "integer":
info = typeof(Int32).GetMethod("Parse", BindingFlags.Public | BindingFlags.Static, null,
new[] { _lastWalkedType }, null);
break;
case "boolean":
info = typeof(Boolean).GetMethod("Parse", BindingFlags.Public | BindingFlags.Static, null,
new[] { _lastWalkedType }, null);
break;
default:
throw new Exception("Invalid type qualifier: (" + n.Type + ")");
}
_gen.Emit(OpCodes.Call, info);
}
public override void VisitQualifier(Qualifier n)
{
n.Expression.Visit(this);
switch(n.Type.ToLower())
{
case "date":
_lastSeenType = n.InternalType = new TypeDate();
break;
case "real":
_lastSeenType = n.InternalType = new TypeReal();
break;
case "integer":
_lastSeenType = n.InternalType = new TypeInteger();
break;
case "string":
_lastSeenType = n.InternalType = new TypeString();
break;
case "boolean":
_lastSeenType = n.InternalType = new TypeBoolean();
break;
default:
throw new Exception("Unknown type qualifier: (" + n.Type + ")");
}
}
public Assign(LValue lval, Qualifier qual)
{
lval.IsLeftHandSide = true;
LValue = lval;
Qualifier = qual;
}
public Assign(LValue lval, Qualifier qual)
{
lval.IsLeftHandSide = true;
LValue = lval;
Qualifier = qual;
}