1 /* @(#)parser4.c 8.1 (Berkeley) 6/6/93 */
2 /* $NetBSD: parser4.c,v 1.9 2009/04/14 08:50:06 lukem Exp $ */
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
9 * Edward Wang at The University of California, Berkeley.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 p_expr3_10(int level
, struct value
*v
, char flag
)
55 const char *opname
= NULL
;
57 if ((level
== 10 ? p_expr11(v
, flag
)
58 : p_expr3_10(level
+ 1, v
, flag
)) < 0)
80 else if (token
== T_NE
)
106 else if (token
== T_RS
)
114 else if (token
== T_MINUS
)
136 if (l
.v_type
== V_ERR
)
141 if ((level
== 10 ? p_expr11(&r
, flag
)
142 : p_expr3_10(level
+ 1, &r
, flag
)) < 0) {
148 if (r
.v_type
== V_ERR
)
158 if (l
.v_type
== V_STR
) {
159 if (r
.v_type
== V_NUM
)
160 if (p_convstr(&r
) < 0)
163 if (r
.v_type
== V_STR
)
164 if (p_convstr(&l
) < 0)
169 if (r
.v_type
== V_STR
) {
184 if (l
.v_type
== V_STR
|| r
.v_type
== V_STR
) {
185 p_error("%s: Numeric operands required.",
207 if (l
.v_type
== V_STR
) {
208 int tmp
= strcmp(l
.v_str
, r
.v_str
);
220 v
->v_num
= l
.v_num
| r
.v_num
;
223 v
->v_num
= l
.v_num
^ r
.v_num
;
226 v
->v_num
= l
.v_num
& r
.v_num
;
229 v
->v_num
= l
.v_num
== r
.v_num
;
232 v
->v_num
= l
.v_num
!= r
.v_num
;
235 v
->v_num
= l
.v_num
< r
.v_num
;
238 v
->v_num
= l
.v_num
<= r
.v_num
;
241 v
->v_num
= l
.v_num
> r
.v_num
;
244 v
->v_num
= l
.v_num
>= r
.v_num
;
247 if (l
.v_type
== V_STR
) {
249 if ((i
= strlen(l
.v_str
)) > r
.v_num
)
251 v
->v_str
= str_ncpy(l
.v_str
, i
);
254 v
->v_num
= l
.v_num
<< r
.v_num
;
257 if (l
.v_type
== V_STR
) {
259 if ((i
= strlen(l
.v_str
)) > r
.v_num
)
263 v
->v_str
= str_cpy(l
.v_str
+ i
);
266 v
->v_num
= l
.v_num
>> r
.v_num
;
269 if (l
.v_type
== V_STR
) {
270 v
->v_str
= str_cat(l
.v_str
, r
.v_str
);
273 v
->v_num
= l
.v_num
+ r
.v_num
;
276 v
->v_num
= l
.v_num
- r
.v_num
;
279 v
->v_num
= l
.v_num
* r
.v_num
;
282 v
->v_num
= l
.v_num
/ r
.v_num
;
285 v
->v_num
= l
.v_num
% r
.v_num
;