common/ficl/main.c

afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome/*
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * stub main for testing Ficl
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * $Id: main.c,v 1.2 2010/09/10 09:01:28 asau Exp $
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome */
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome/*
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * Copyright (c) 1997-2001 John Sadler (john_sadler@alum.mit.edu)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * All rights reserved.
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome *
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * Get the latest Ficl release at http://ficl.sourceforge.net
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome *
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * I am interested in hearing from anyone who uses Ficl. If you have
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * a problem, a success story, a defect, an enhancement request, or
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * if you would like to contribute to the Ficl release, please
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * contact me by email at the address above.
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome *
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * L I C E N S E  and  D I S C L A I M E R
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome *
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * Redistribution and use in source and binary forms, with or without
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * modification, are permitted provided that the following conditions
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * are met:
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * 1. Redistributions of source code must retain the above copyright
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome *    notice, this list of conditions and the following disclaimer.
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome *    notice, this list of conditions and the following disclaimer in the
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome *    documentation and/or other materials provided with the distribution.
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome *
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome * SUCH DAMAGE.
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome */
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#include <stdio.h>
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#include <stdlib.h>
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#include <unistd.h>
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#include <termios.h>
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#include <sys/errno.h>
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#include <ficl.h>
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#include <ficlplatform/emu.h>
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#include <libtecla.h>
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#define LINELEN 1024
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome#define HISTORY 2048
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soomestatic char *
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soomeprompt(void)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome{
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    static char prompt[20]; /* probably too large, but well... */
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    char *pr, *p, *cp, *ev;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    int n = 0;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    if ((cp = getenv("prompt")) == NULL)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        cp = ">";
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    pr = p = strdup(cp);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    while (*p != 0) {
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        if ((*p == '$') && (*(p+1) == '{')) {
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            for (cp = p + 2; (*cp != 0) && (*cp != '}'); cp++)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome                ;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            *cp = 0;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            ev = getenv(p + 2);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            if (ev != NULL)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome                n = sprintf(prompt+n, "%s", ev);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            p = cp + 1;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            continue;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        }
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        prompt[n++] = *p;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        p++;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    }
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    if (prompt[n - 1] != ' ')
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        prompt[n++] = ' ';
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    prompt[n] = '\0';
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    free(pr);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    return (prompt);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome}
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soomeint
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soomemain(int argc, char **argv)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome{
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    int returnValue = 0;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    char *buffer;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    GetLine *gl;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    ficlVm *vm;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    struct winsize ws;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    int cols = 80, rows = 24;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    if (ioctl(1, TIOCGWINSZ, &ws) != -1) {
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        if (ws.ws_col)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            cols = ws.ws_col;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        if (ws.ws_row)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            rows = ws.ws_row;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    }
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    clearenv();
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    asprintf(&buffer, "%d", cols);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    setenv("COLUMNS", buffer, 1);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    free(buffer);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    asprintf(&buffer, "%d", rows);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    setenv("LINES", buffer, 1);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    free(buffer);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    if (getenv("prompt") == NULL)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        setenv("prompt", "${interpret}", 1);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    if (getenv("interpret") == NULL)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        setenv("interpret", "ok", 1);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    if ((vm = bf_init("", NULL)) == NULL)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        return (ENOMEM);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    returnValue = ficlVmEvaluate(vm, ".ver .( " __DATE__ " ) cr quit");
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    /*
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome     * load files specified on command-line
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome     */
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    if (argc  > 1) {
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        asprintf(&buffer, ".( loading %s ) cr include %s\n cr",
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            argv[1], argv[1]);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        returnValue = ficlVmEvaluate(vm, buffer);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        free(buffer);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    }
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    if ((gl = new_GetLine(LINELEN, HISTORY)) == NULL) {
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        bf_fini();
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        return (ENOMEM);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    }
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    while (returnValue != FICL_VM_STATUS_USER_EXIT) {
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        if ((buffer = gl_get_line(gl, prompt(), NULL, -1)) == NULL)
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome            break;
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome        returnValue = bf_run(buffer);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    }
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    gl = del_GetLine(gl);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    bf_fini();
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome    return (returnValue);
afc2ba1deb75b323afde536f2dd18bcafdaa308dToomas Soome}