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1.2 ! sobrado 1: /* $OpenBSD$ */
1.1 espie 2: /* $NetBSD: lex.l,v 1.13 2003/10/27 00:12:43 lukem Exp $ */
3:
4: %{
5: /*-
6: * Copyright (c) 1993
7: * The Regents of the University of California. All rights reserved.
8: *
9: * This code is derived from software contributed to Berkeley by
10: * Paul Borman at Krystal Technologies.
11: *
12: * Redistribution and use in source and binary forms, with or without
13: * modification, are permitted provided that the following conditions
14: * are met:
15: * 1. Redistributions of source code must retain the above copyright
16: * notice, this list of conditions and the following disclaimer.
17: * 2. Redistributions in binary form must reproduce the above copyright
18: * notice, this list of conditions and the following disclaimer in the
19: * documentation and/or other materials provided with the distribution.
20: * 3. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #include <sys/cdefs.h>
38:
39: #include "locale/runetype.h"
40: #include <stdio.h>
41: #include <stdlib.h>
42:
43: #include "ldef.h"
44: #include "yacc.h"
45:
46: int yylex(void);
47: %}
48:
49: ODIGIT [0-7]
50: DIGIT [0-9]
51: XDIGIT [0-9a-fA-F]
52: W [\t\n\r ]
53:
54: %%
55: \'.\' { yylval.rune = (unsigned char)yytext[1];
56: return(RUNE); }
57:
58: '\\a' { yylval.rune = '\a';
59: return(RUNE); }
60: '\\b' { yylval.rune = '\b';
61: return(RUNE); }
62: '\\f' { yylval.rune = '\f';
63: return(RUNE); }
64: '\\n' { yylval.rune = '\n';
65: return(RUNE); }
66: '\\r' { yylval.rune = '\r';
67: return(RUNE); }
68: '\\t' { yylval.rune = '\t';
69: return(RUNE); }
70: '\\v' { yylval.rune = '\v';
71: return(RUNE); }
72:
73: 0x{XDIGIT}+ { yylval.rune = strtoul(yytext, 0, 16);
74: return(RUNE); }
75: 0{ODIGIT}+ { yylval.rune = strtoul(yytext, 0, 8);
76: return(RUNE); }
77: {DIGIT}+ { yylval.rune = strtoul(yytext, 0, 10);
78: return(RUNE); }
79:
80:
81: MAPLOWER { return(MAPLOWER); }
82: MAPUPPER { return(MAPUPPER); }
83: TODIGIT { return(DIGITMAP); }
84: INVALID { return(INVALID); }
85:
86: ALPHA { yylval.i = _RUNETYPE_A|_RUNETYPE_R|_RUNETYPE_G;
87: return(LIST); }
88: CONTROL { yylval.i = _RUNETYPE_C;
89: return(LIST); }
90: DIGIT { yylval.i = _RUNETYPE_D|_RUNETYPE_R|_RUNETYPE_G;
91: return(LIST); }
92: GRAPH { yylval.i = _RUNETYPE_G|_RUNETYPE_R;
93: return(LIST); }
94: LOWER { yylval.i = _RUNETYPE_L|_RUNETYPE_R|_RUNETYPE_G;
95: return(LIST); }
96: PUNCT { yylval.i = _RUNETYPE_P|_RUNETYPE_R|_RUNETYPE_G;
97: return(LIST); }
98: SPACE { yylval.i = _RUNETYPE_S;
99: return(LIST); }
100: UPPER { yylval.i = _RUNETYPE_U|_RUNETYPE_R|_RUNETYPE_G;
101: return(LIST); }
102: XDIGIT { yylval.i = _RUNETYPE_X|_RUNETYPE_R|_RUNETYPE_G;
103: return(LIST); }
104: BLANK { yylval.i = _RUNETYPE_B;
105: return(LIST); }
106: PRINT { yylval.i = _RUNETYPE_R;
107: return(LIST); }
108: IDEOGRAM { yylval.i = _RUNETYPE_I|_RUNETYPE_R|_RUNETYPE_G;
109: return(LIST); }
110: SPECIAL { yylval.i = _RUNETYPE_T|_RUNETYPE_R|_RUNETYPE_G;
111: return(LIST); }
112: PHONOGRAM { yylval.i = _RUNETYPE_Q|_RUNETYPE_R|_RUNETYPE_G;
113: return(LIST); }
114: SWIDTH0 { yylval.i = _RUNETYPE_SW0; return(LIST); }
115: SWIDTH1 { yylval.i = _RUNETYPE_SW1; return(LIST); }
116: SWIDTH2 { yylval.i = _RUNETYPE_SW2; return(LIST); }
117: SWIDTH3 { yylval.i = _RUNETYPE_SW3; return(LIST); }
118:
119: VARIABLE[\t ] { static char vbuf[1024];
120: char *v = vbuf;
121: while ((*v = input()) && *v != '\n')
122: ++v;
123: if (*v) {
124: unput(*v);
125: *v = 0;
126: }
127: yylval.str = vbuf;
128: return(VARIABLE);
129: }
130:
131: CHARSET { return(CHARSET); }
132:
133: ENCODING { return(ENCODING); }
134:
135: \".*\" { char *e = yytext + 1;
136: yylval.str = e;
137: while (*e && *e != '"')
138: ++e;
139: *e = 0;
140: return(STRING); }
141:
142: \<|\(|\[ { return(LBRK); }
143:
144: \>|\)|\] { return(RBRK); }
145:
146: \- { return(THRU); }
147: \.\.\. { return(THRU); }
148:
149: \: { return(':'); }
150:
151: {W}+ ;
152:
153: ^\#.*\n ;
154: \/\* { char lc = 0;
155: do {
156: while ((lc) != '*')
157: if ((lc = input()) == 0)
158: break;
159: } while((lc = input()) != '/');
160: }
161:
162: \\$ ;
163: . { printf("Lex is skipping '%s'\n", yytext); }
164: %%
165:
166: #if !defined(yywrap)
167: int
168: yywrap()
169: {
170: return(1);
171: }
172: #endif