internal ElaValue GetField(ElaValue index, ExecutionContext ctx)
{
if (vm != null)
{
if (index.TypeId != ElaMachine.STR)
{
ctx.InvalidType(TCF.GetShortForm(ElaTypeCode.String), index);
return(Default());
}
var field = index.DirectGetString();
var frame = vm.Assembly.GetModule(Handle);
ScopeVar sc;
if (!frame.GlobalScope.Locals.TryGetValue(field, out sc))
{
ctx.UnknownField(index.DirectGetString(), new ElaValue(this));
return(Default());
}
if ((sc.Flags & ElaVariableFlags.Private) == ElaVariableFlags.Private)
{
ctx.Fail(new ElaError(ElaRuntimeError.PrivateVariable, field));
return(Default());
}
return(vm.modules[Handle][sc.Address]);
}
ctx.Fail(ElaRuntimeError.Unknown, "VM is non present");
return(Default());
}
internal bool HasField(ElaValue key, ExecutionContext ctx)
{
var idx = key.I4;
if (key.TypeId != ElaMachine.STR)
{
ctx.InvalidType(TCF.GetShortForm(ElaTypeCode.String), key);
return(false);
}
return(GetOrdinal(key.DirectGetString()) != -1);
}
internal bool HasField(ElaValue index, ExecutionContext ctx)
{
if (vm != null)
{
if (index.TypeId != ElaMachine.STR)
{
ctx.InvalidType(TCF.GetShortForm(ElaTypeCode.String), index);
return(false);
}
var frame = vm.Assembly.GetModule(Handle);
return(frame.GlobalScope.Locals.ContainsKey(index.DirectGetString()));
}
ctx.Fail(ElaRuntimeError.Unknown, "VM is non present");
return(false);
}
internal ElaValue GetField(ElaValue key, ExecutionContext ctx)
{
if (key.TypeId != ElaMachine.STR)
{
ctx.InvalidType(TCF.GetShortForm(ElaTypeCode.String), key);
return(Default());
}
var idx = GetOrdinal(key.DirectGetString());
if (idx == -1)
{
ctx.UnknownField(key.DirectGetString(), new ElaValue(this));
return(Default());
}
return(values[idx]);
}
private static Exception InvalidCast(ElaValue val, System.Type target)
{
return(new InvalidCastException(Strings.GetMessage("InvalidCast", TCF.GetShortForm(val.TypeCode),
target.Name)));
}
private static Exception InvalidCast(ElaValue val, ElaTypeCode type)
{
return(new ElaRuntimeException(ElaRuntimeError.InvalidType, TCF.GetShortForm(type), val.GetTypeName()));
}
public TypeData(ElaTypeCode typeCode) : this((Int32)typeCode, TCF.GetShortForm(typeCode))
{
}
protected internal virtual string GetTypeName()
{
return(TCF.GetShortForm((ElaTypeCode)TypeId));
}
public static TreeNode Literal(this TreeNode par, ElaExpression exp, ElaTypeCode typeCode, object data)
{
return(Element(par, exp, TCF.GetShortForm(typeCode), data, "Literal", "{1} ({0})"));
}