xref: /illumos-gate/usr/src/common/ficl/main.c (revision 8aafd47d)
1afc2ba1dSToomas Soome /*
2afc2ba1dSToomas Soome  * stub main for testing Ficl
3afc2ba1dSToomas Soome  * $Id: main.c,v 1.2 2010/09/10 09:01:28 asau Exp $
4afc2ba1dSToomas Soome  */
5afc2ba1dSToomas Soome /*
6afc2ba1dSToomas Soome  * Copyright (c) 1997-2001 John Sadler (john_sadler@alum.mit.edu)
7afc2ba1dSToomas Soome  * All rights reserved.
8afc2ba1dSToomas Soome  *
9afc2ba1dSToomas Soome  * Get the latest Ficl release at http://ficl.sourceforge.net
10afc2ba1dSToomas Soome  *
11afc2ba1dSToomas Soome  * I am interested in hearing from anyone who uses Ficl. If you have
12afc2ba1dSToomas Soome  * a problem, a success story, a defect, an enhancement request, or
13afc2ba1dSToomas Soome  * if you would like to contribute to the Ficl release, please
14afc2ba1dSToomas Soome  * contact me by email at the address above.
15afc2ba1dSToomas Soome  *
16afc2ba1dSToomas Soome  * L I C E N S E  and  D I S C L A I M E R
17afc2ba1dSToomas Soome  *
18afc2ba1dSToomas Soome  * Redistribution and use in source and binary forms, with or without
19afc2ba1dSToomas Soome  * modification, are permitted provided that the following conditions
20afc2ba1dSToomas Soome  * are met:
21afc2ba1dSToomas Soome  * 1. Redistributions of source code must retain the above copyright
22afc2ba1dSToomas Soome  *    notice, this list of conditions and the following disclaimer.
23afc2ba1dSToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
24afc2ba1dSToomas Soome  *    notice, this list of conditions and the following disclaimer in the
25afc2ba1dSToomas Soome  *    documentation and/or other materials provided with the distribution.
26afc2ba1dSToomas Soome  *
27afc2ba1dSToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
28afc2ba1dSToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29afc2ba1dSToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30afc2ba1dSToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
31afc2ba1dSToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32afc2ba1dSToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33afc2ba1dSToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34afc2ba1dSToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35afc2ba1dSToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36afc2ba1dSToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37afc2ba1dSToomas Soome  * SUCH DAMAGE.
38afc2ba1dSToomas Soome  */
39afc2ba1dSToomas Soome 
40afc2ba1dSToomas Soome #include <stdio.h>
41afc2ba1dSToomas Soome #include <stdlib.h>
42afc2ba1dSToomas Soome #include <unistd.h>
43afc2ba1dSToomas Soome #include <termios.h>
44afc2ba1dSToomas Soome #include <sys/errno.h>
45*8aafd47dSToomas Soome #include <err.h>
46afc2ba1dSToomas Soome 
47afc2ba1dSToomas Soome #include <ficl.h>
48afc2ba1dSToomas Soome #include <ficlplatform/emu.h>
49afc2ba1dSToomas Soome #include <libtecla.h>
50afc2ba1dSToomas Soome 
51afc2ba1dSToomas Soome #define	LINELEN	1024
52afc2ba1dSToomas Soome #define	HISTORY	2048
53afc2ba1dSToomas Soome 
54afc2ba1dSToomas Soome static char *
prompt(void)55afc2ba1dSToomas Soome prompt(void)
56afc2ba1dSToomas Soome {
57afc2ba1dSToomas Soome 	static char prompt[20]; /* probably too large, but well... */
58afc2ba1dSToomas Soome 	char *pr, *p, *cp, *ev;
59afc2ba1dSToomas Soome 	int n = 0;
60afc2ba1dSToomas Soome 
61afc2ba1dSToomas Soome 	if ((cp = getenv("prompt")) == NULL)
62afc2ba1dSToomas Soome 		cp = ">";
63afc2ba1dSToomas Soome 	pr = p = strdup(cp);
64afc2ba1dSToomas Soome 
65afc2ba1dSToomas Soome 	while (*p != 0) {
66afc2ba1dSToomas Soome 		if ((*p == '$') && (*(p+1) == '{')) {
67afc2ba1dSToomas Soome 			for (cp = p + 2; (*cp != 0) && (*cp != '}'); cp++)
68afc2ba1dSToomas Soome 				;
69afc2ba1dSToomas Soome 			*cp = 0;
70afc2ba1dSToomas Soome 			ev = getenv(p + 2);
71afc2ba1dSToomas Soome 
72afc2ba1dSToomas Soome 			if (ev != NULL)
73afc2ba1dSToomas Soome 				n = sprintf(prompt+n, "%s", ev);
74afc2ba1dSToomas Soome 			p = cp + 1;
75afc2ba1dSToomas Soome 			continue;
76afc2ba1dSToomas Soome 		}
77afc2ba1dSToomas Soome 		prompt[n++] = *p;
78afc2ba1dSToomas Soome 		p++;
79afc2ba1dSToomas Soome 	}
80afc2ba1dSToomas Soome 	if (prompt[n - 1] != ' ')
81afc2ba1dSToomas Soome 		prompt[n++] = ' ';
82afc2ba1dSToomas Soome 	prompt[n] = '\0';
83afc2ba1dSToomas Soome 	free(pr);
84afc2ba1dSToomas Soome 	return (prompt);
85afc2ba1dSToomas Soome }
86afc2ba1dSToomas Soome 
87afc2ba1dSToomas Soome int
main(int argc,char ** argv)88afc2ba1dSToomas Soome main(int argc, char **argv)
89afc2ba1dSToomas Soome {
90afc2ba1dSToomas Soome 	int returnValue = 0;
91afc2ba1dSToomas Soome 	char *buffer;
92afc2ba1dSToomas Soome 	GetLine *gl;
93afc2ba1dSToomas Soome 	ficlVm *vm;
94afc2ba1dSToomas Soome 	struct winsize ws;
95afc2ba1dSToomas Soome 	int cols = 80, rows = 24;
96afc2ba1dSToomas Soome 
97afc2ba1dSToomas Soome 	if (ioctl(1, TIOCGWINSZ, &ws) != -1) {
98afc2ba1dSToomas Soome 		if (ws.ws_col)
99afc2ba1dSToomas Soome 			cols = ws.ws_col;
100afc2ba1dSToomas Soome 		if (ws.ws_row)
101afc2ba1dSToomas Soome 			rows = ws.ws_row;
102afc2ba1dSToomas Soome 	}
103afc2ba1dSToomas Soome 
104*8aafd47dSToomas Soome 	(void) clearenv();
105*8aafd47dSToomas Soome 	if (asprintf(&buffer, "%d", cols) < 0)
106*8aafd47dSToomas Soome 		err(EXIT_FAILURE, NULL);
107*8aafd47dSToomas Soome 	(void) setenv("screen-#cols", buffer, 1);
108afc2ba1dSToomas Soome 	free(buffer);
109*8aafd47dSToomas Soome 	if (asprintf(&buffer, "%d", rows) < 0)
110*8aafd47dSToomas Soome 		err(EXIT_FAILURE, NULL);
111*8aafd47dSToomas Soome 	(void) setenv("screen-#rows", buffer, 1);
112afc2ba1dSToomas Soome 	free(buffer);
113afc2ba1dSToomas Soome 
114afc2ba1dSToomas Soome 	if (getenv("prompt") == NULL)
115*8aafd47dSToomas Soome 		(void) setenv("prompt", "${interpret}", 1);
116afc2ba1dSToomas Soome 	if (getenv("interpret") == NULL)
117*8aafd47dSToomas Soome 		(void) setenv("interpret", "ok", 1);
118afc2ba1dSToomas Soome 
119afc2ba1dSToomas Soome 	if ((vm = bf_init("", NULL)) == NULL)
120*8aafd47dSToomas Soome 		err(EXIT_FAILURE, NULL);
121b66926aaSToomas Soome 	returnValue = ficlVmEvaluate(vm, ".ver cr quit");
122afc2ba1dSToomas Soome 
123afc2ba1dSToomas Soome 	/*
124afc2ba1dSToomas Soome 	 * load files specified on command-line
125afc2ba1dSToomas Soome 	 */
126afc2ba1dSToomas Soome 	if (argc  > 1) {
127*8aafd47dSToomas Soome 		if (asprintf(&buffer, ".( loading %s ) cr include %s\n cr",
128*8aafd47dSToomas Soome 		    argv[1], argv[1]) < 0)
129*8aafd47dSToomas Soome 			err(EXIT_FAILURE, NULL);
130afc2ba1dSToomas Soome 		returnValue = ficlVmEvaluate(vm, buffer);
131afc2ba1dSToomas Soome 		free(buffer);
132afc2ba1dSToomas Soome 	}
133afc2ba1dSToomas Soome 
134afc2ba1dSToomas Soome 	if ((gl = new_GetLine(LINELEN, HISTORY)) == NULL) {
135afc2ba1dSToomas Soome 		bf_fini();
136*8aafd47dSToomas Soome 		err(EXIT_FAILURE, NULL);
137afc2ba1dSToomas Soome 	}
138afc2ba1dSToomas Soome 
139afc2ba1dSToomas Soome 	while (returnValue != FICL_VM_STATUS_USER_EXIT) {
140afc2ba1dSToomas Soome 		if ((buffer = gl_get_line(gl, prompt(), NULL, -1)) == NULL)
141afc2ba1dSToomas Soome 			break;
142afc2ba1dSToomas Soome 		returnValue = bf_run(buffer);
143afc2ba1dSToomas Soome 	}
144afc2ba1dSToomas Soome 
145afc2ba1dSToomas Soome 	gl = del_GetLine(gl);
146afc2ba1dSToomas Soome 	bf_fini();
147*8aafd47dSToomas Soome 	if (returnValue != FICL_VM_STATUS_USER_EXIT)
148*8aafd47dSToomas Soome 		return (EXIT_FAILURE);
149*8aafd47dSToomas Soome 	return (EXIT_SUCCESS);
150afc2ba1dSToomas Soome }
151