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/*
Clif - A C-like Interpreter Framework
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997 T. Hruz, L. Koren
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* init_ch.c
*
* Initialization of the channel compiler and
* redefinition of its input function.
*/
#include<ctype.h>
#ifndef PROTO
#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined(__STDC__)
#define PROTO(ARGS) ARGS
#else
#define PROTO(ARGS) ()
#endif
#endif
int input_channel PROTO((void));
void init_ch PROTO((char *));
int buf_cnt;
char *inp_buf;
/*
* Redefinition of input for channel compiler.
*/
int
input_channel ()
{
yy_channeltchar = yy_channelsptr>yy_channelsbuf?U_channel(*--yy_channelsptr):inp_buf[buf_cnt++];
if (yy_channeltchar == 10)
yy_channellineno++;
if (yy_channeltchar == '\0')
return (0);
return (yy_channeltchar);
}
/*
* Initialization of the channel compiler.
*/
void
init_ch (input_buffer)
char *input_buffer;
{
buf_cnt = 0;
inp_buf = input_buffer;
}
/*
* Redefinition of internal yacc function yywrap.
*/
int
yy_channelwrap ()
{
return (1);
}
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