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1 | /*- |
2 | * Copyright (c) 1993 | |
3 | * The Regents of the University of California. All rights reserved. | |
4 | * Copyright (c) 2007 | |
5 | * Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved. | |
6 | * | |
7 | * This code is derived from software contributed to Berkeley by | |
8 | * Kenneth Almquist. | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or without | |
11 | * modification, are permitted provided that the following conditions | |
12 | * are met: | |
13 | * 1. Redistributions of source code must retain the above copyright | |
14 | * notice, this list of conditions and the following disclaimer. | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in the | |
17 | * documentation and/or other materials provided with the distribution. | |
18 | * 3. Neither the name of the University nor the names of its contributors | |
19 | * may be used to endorse or promote products derived from this software | |
20 | * without specific prior written permission. | |
21 | * | |
22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
32 | * SUCH DAMAGE. | |
33 | * | |
34 | * $FreeBSD$ | |
35 | */ | |
36 | ||
37 | #define ARITH_ASS 1 | |
38 | ||
39 | #define ARITH_OR 2 | |
40 | #define ARITH_AND 3 | |
41 | #define ARITH_BAD 4 | |
42 | #define ARITH_NUM 5 | |
43 | #define ARITH_VAR 6 | |
44 | #define ARITH_NOT 7 | |
45 | ||
46 | #define ARITH_BINOP_MIN 8 | |
47 | #define ARITH_LE 8 | |
48 | #define ARITH_GE 9 | |
49 | #define ARITH_LT 10 | |
50 | #define ARITH_GT 11 | |
51 | #define ARITH_EQ 12 | |
52 | #define ARITH_REM 13 | |
53 | #define ARITH_BAND 14 | |
54 | #define ARITH_LSHIFT 15 | |
55 | #define ARITH_RSHIFT 16 | |
56 | #define ARITH_MUL 17 | |
57 | #define ARITH_ADD 18 | |
58 | #define ARITH_BOR 19 | |
59 | #define ARITH_SUB 20 | |
60 | #define ARITH_BXOR 21 | |
61 | #define ARITH_DIV 22 | |
62 | #define ARITH_NE 23 | |
63 | #define ARITH_BINOP_MAX 24 | |
64 | ||
65 | #define ARITH_ASS_MIN 24 | |
66 | #define ARITH_REMASS 24 | |
67 | #define ARITH_BANDASS 25 | |
68 | #define ARITH_LSHIFTASS 26 | |
69 | #define ARITH_RSHIFTASS 27 | |
70 | #define ARITH_MULASS 28 | |
71 | #define ARITH_ADDASS 29 | |
72 | #define ARITH_BORASS 30 | |
73 | #define ARITH_SUBASS 31 | |
74 | #define ARITH_BXORASS 32 | |
75 | #define ARITH_DIVASS 33 | |
76 | #define ARITH_ASS_MAX 34 | |
77 | ||
78 | #define ARITH_LPAREN 34 | |
79 | #define ARITH_RPAREN 35 | |
80 | #define ARITH_BNOT 36 | |
81 | #define ARITH_QMARK 37 | |
82 | #define ARITH_COLON 38 | |
83 | ||
84 | extern const char *arith_buf; | |
85 | ||
86 | union yystype { | |
87 | arith_t val; | |
88 | char *name; | |
89 | }; | |
90 | ||
91 | extern union yystype yylval; | |
92 | ||
93 | int yylex(void); |