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0d5acd74 JM |
1 | /* $FreeBSD: head/usr.bin/mkcsmapper/lex.l 252582 2013-07-03 18:25:27Z peter $ */ |
2 | /* $NetBSD: lex.l,v 1.4 2006/02/09 22:03:15 dogcow Exp $ */ | |
30e4e410 JS |
3 | |
4 | %{ | |
5 | /*- | |
6 | * Copyright (c)2003 Citrus Project, | |
7 | * All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * 2. Redistributions in binary form must reproduce the above copyright | |
15 | * notice, this list of conditions and the following disclaimer in the | |
16 | * documentation and/or other materials provided with the distribution. | |
17 | * | |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
24 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
26 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
28 | * SUCH DAMAGE. | |
29 | */ | |
30 | ||
0d5acd74 JM |
31 | #include <sys/cdefs.h> |
32 | #include <sys/endian.h> | |
33 | ||
30e4e410 JS |
34 | #include <assert.h> |
35 | #include <errno.h> | |
36 | #include <limits.h> | |
37 | #include <stdio.h> | |
38 | #include <stdlib.h> | |
39 | #include <string.h> | |
40 | ||
41 | #include "ldef.h" | |
42 | #include "yacc.h" | |
43 | ||
0d5acd74 JM |
44 | int linenumber = 1; |
45 | %} | |
46 | %option noinput | |
47 | %option nounput | |
eb74dec6 | 48 | |
30e4e410 JS |
49 | %x COMMENT |
50 | ||
51 | %% | |
52 | ||
53 | [ \t]+ { } | |
0d5acd74 | 54 | #.*[\n]|"//".*[\n]|[\n] { linenumber++; return (R_LN); } |
30e4e410 JS |
55 | |
56 | "/*" { BEGIN COMMENT; } | |
57 | <COMMENT>"*/" { BEGIN 0; } | |
0d5acd74 | 58 | <COMMENT>[\n] { linenumber++; } |
30e4e410 JS |
59 | <COMMENT>. { } |
60 | <COMMENT><<EOF>> { | |
0d5acd74 | 61 | yyerror("unexpected file end (unterminated comment)\n"); |
30e4e410 JS |
62 | exit(1); |
63 | } | |
64 | ||
0d5acd74 | 65 | "="|"/"|"-" { return ((int)yytext[0]); } |
30e4e410 JS |
66 | |
67 | ([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+) { | |
68 | yylval.i_value = strtoul(yytext, NULL, 0); | |
0d5acd74 | 69 | return (L_IMM); |
30e4e410 JS |
70 | } |
71 | ||
72 | "TYPE" { return (R_TYPE); } | |
73 | "NAME" { return (R_NAME); } | |
74 | "SRC_ZONE" { return (R_SRC_ZONE); } | |
75 | "DST_INVALID" { return (R_DST_INVALID); } | |
76 | "DST_ILSEQ" { return (R_DST_ILSEQ); } | |
77 | "DST_UNIT_BITS" { return (R_DST_UNIT_BITS); } | |
78 | "BEGIN_MAP" { return (R_BEGIN_MAP); } | |
79 | "END_MAP" { return (R_END_MAP); } | |
80 | "INVALID" { return (R_INVALID); } | |
81 | "ILSEQ" { return (R_ILSEQ); } | |
82 | "OOB_MODE" { return (R_OOB_MODE); } | |
83 | "ROWCOL" { return (R_ROWCOL); } | |
84 | ||
85 | \"([^\"\n]*(\\\")?)*\"|\'([^\'\n]*(\\\')?)*\' { | |
86 | size_t len; | |
0d5acd74 | 87 | |
30e4e410 | 88 | len = strlen(yytext); |
0d5acd74 JM |
89 | yylval.s_value = malloc(len - 1); |
90 | strlcpy(yylval.s_value, yytext + 1, len - 1); | |
91 | return (L_STRING); | |
30e4e410 JS |
92 | } |
93 | [^ =/\-0-9\t\n][^ \t\n]* { | |
94 | yylval.s_value = strdup(yytext); | |
0d5acd74 | 95 | return (L_STRING); |
30e4e410 JS |
96 | } |
97 | ||
98 | %% | |
99 | ||
100 | #ifndef yywrap | |
101 | int | |
102 | yywrap(void) | |
103 | { | |
0d5acd74 | 104 | |
30e4e410 JS |
105 | return (1); |
106 | } | |
107 | #endif |