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Diffstat (limited to 'usr.bin/mkcsmapper/lex.l')
| -rw-r--r-- | usr.bin/mkcsmapper/lex.l | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/usr.bin/mkcsmapper/lex.l b/usr.bin/mkcsmapper/lex.l new file mode 100644 index 0000000..dd46caf --- /dev/null +++ b/usr.bin/mkcsmapper/lex.l @@ -0,0 +1,106 @@ +/* $FreeBSD$ */ +/* $NetBSD: lex.l,v 1.4 2006/02/09 22:03:15 dogcow Exp $ */ + +%{ +/*- + * Copyright (c)2003 Citrus Project, + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#include <sys/endian.h> + +#include <assert.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "ldef.h" +#include "yacc.h" + +int line_number = 1; +%} +%option nounput + +%x COMMENT + +%% + +[ \t]+ { } +#.*[\n]|"//".*[\n]|[\n] { line_number++; return (R_LN); } + +"/*" { BEGIN COMMENT; } +<COMMENT>"*/" { BEGIN 0; } +<COMMENT>[\n] { line_number++; } +<COMMENT>. { } +<COMMENT><<EOF>> { + yyerror("unexpected file end (unterminate comment)\n"); + exit(1); + } + +"="|"/"|"-" { return ((int)yytext[0]); } + +([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+) { + yylval.i_value = strtoul(yytext, NULL, 0); + return (L_IMM); + } + +"TYPE" { return (R_TYPE); } +"NAME" { return (R_NAME); } +"SRC_ZONE" { return (R_SRC_ZONE); } +"DST_INVALID" { return (R_DST_INVALID); } +"DST_ILSEQ" { return (R_DST_ILSEQ); } +"DST_UNIT_BITS" { return (R_DST_UNIT_BITS); } +"BEGIN_MAP" { return (R_BEGIN_MAP); } +"END_MAP" { return (R_END_MAP); } +"INVALID" { return (R_INVALID); } +"ILSEQ" { return (R_ILSEQ); } +"OOB_MODE" { return (R_OOB_MODE); } +"ROWCOL" { return (R_ROWCOL); } + +\"([^\"\n]*(\\\")?)*\"|\'([^\'\n]*(\\\')?)*\' { + size_t len; + + len = strlen(yytext); + yylval.s_value = malloc(len - 1); + strlcpy(yylval.s_value, yytext + 1, len - 1); + return (L_STRING); + } +[^ =/\-0-9\t\n][^ \t\n]* { + yylval.s_value = strdup(yytext); + return (L_STRING); + } + +%% + +#ifndef yywrap +int +yywrap(void) +{ + + return (1); +} +#endif |
