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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/paritycommand.h"
#include "include/message.h"
class LWCommandIf: public LWCommandSegment {
LWValue *execute1 (LWContext *context, guint argc, LWValue *args[])
{
g_return_val_if_fail (argc == 1, NULL);
g_return_val_if_fail (context->instrPtr->next != NULL, NULL);
if (0 == args[0]->toInt()) {
//if there is "else" for that "if"
if (TRUE == isAlreadyMatched())
context->instrPtr = context->instrPtr->next->next->next;
else
context->instrPtr = context->instrPtr->next->next;
}
return NULL;
}
const gchar *getName (void)
{
return "if";
}
gchar *getHint ()
{
return _("If");
}
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 != 1)
throw new LWMessage (LW_ERROR_WrongNumberOfArguments);
}
gboolean matchNextCondition (LWCommand *cmd)
{
// return (!g_ascii_strcasecmp (cmd->getName(), "else")); ||
// !g_ascii_strcasecmp (cmd->getName(), "end")) ? TRUE : FALSE;
return !g_ascii_strcasecmp (cmd->getName(), "else");
}
gboolean matchWith (LWCommand *cmd)
{
if (cmd != NULL) {
g_return_val_if_fail (!g_ascii_strcasecmp (cmd->getName(), "else"), FALSE);
match();
return TRUE;
}
return FALSE;
}
gboolean requiresLogicBlock ()
{
return TRUE;
}
};
LWSymbol *new_LWCommandIf()
{
return new LWCommandIf();
}
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