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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/* (C) Marcin Kwadrans <quarter@users.sourceforge.net> */
#include "include/support.h"
#include "include/command.h"
#include "include/message.h"
class LWCommandAdd: public LWCommand {
LWValue *execute1 (LWContext *context, guint argc, LWValue *args[])
{
(void) context;
g_return_val_if_fail (argc == 2, NULL);
gint r = args[0]->toInt() + args[1]->toInt();
return new LWValue (r);
}
const gchar *getName ()
{
return "add";
}
gchar *getHint ()
{
return _("Add");
}
guint getPriority ()
{
return 12;
}
LWLink getLinkType ()
{
return LW_LINK_LEFT;
}
gboolean hasReturn()
{
return TRUE;
}
void checkArgument (guint n, LWValue *value)
{
(void) n;
if (FALSE == value->isVariable() && FALSE == value->checkRange())
throw new LWMessage (LW_ERROR_NumberOutOfRange);
}
void checkArgc (guint n)
{
if (n != 2)
throw new LWMessage (LW_ERROR_WrongNumberOfArguments);
}
};
LWSymbol *new_LWCommandAdd()
{
return new LWCommandAdd();
}
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