/* $OpenBSD: lex.l,v 1.2 2009/08/08 19:37:14 sobrado Exp $ */ /* $NetBSD: lex.l,v 1.13 2003/10/27 00:12:43 lukem Exp $ */ %{ /*- * Copyright (c) 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Paul Borman at Krystal Technologies. * * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 #include "locale/runetype.h" #include #include #include "ldef.h" #include "yacc.h" int yylex(void); %} ODIGIT [0-7] DIGIT [0-9] XDIGIT [0-9a-fA-F] W [\t\n\r ] %% \'.\' { yylval.rune = (unsigned char)yytext[1]; return(RUNE); } '\\a' { yylval.rune = '\a'; return(RUNE); } '\\b' { yylval.rune = '\b'; return(RUNE); } '\\f' { yylval.rune = '\f'; return(RUNE); } '\\n' { yylval.rune = '\n'; return(RUNE); } '\\r' { yylval.rune = '\r'; return(RUNE); } '\\t' { yylval.rune = '\t'; return(RUNE); } '\\v' { yylval.rune = '\v'; return(RUNE); } 0x{XDIGIT}+ { yylval.rune = strtoul(yytext, 0, 16); return(RUNE); } 0{ODIGIT}+ { yylval.rune = strtoul(yytext, 0, 8); return(RUNE); } {DIGIT}+ { yylval.rune = strtoul(yytext, 0, 10); return(RUNE); } MAPLOWER { return(MAPLOWER); } MAPUPPER { return(MAPUPPER); } TODIGIT { return(DIGITMAP); } INVALID { return(INVALID); } ALPHA { yylval.i = _RUNETYPE_A|_RUNETYPE_R|_RUNETYPE_G; return(LIST); } CONTROL { yylval.i = _RUNETYPE_C; return(LIST); } DIGIT { yylval.i = _RUNETYPE_D|_RUNETYPE_R|_RUNETYPE_G; return(LIST); } GRAPH { yylval.i = _RUNETYPE_G|_RUNETYPE_R; return(LIST); } LOWER { yylval.i = _RUNETYPE_L|_RUNETYPE_R|_RUNETYPE_G; return(LIST); } PUNCT { yylval.i = _RUNETYPE_P|_RUNETYPE_R|_RUNETYPE_G; return(LIST); } SPACE { yylval.i = _RUNETYPE_S; return(LIST); } UPPER { yylval.i = _RUNETYPE_U|_RUNETYPE_R|_RUNETYPE_G; return(LIST); } XDIGIT { yylval.i = _RUNETYPE_X|_RUNETYPE_R|_RUNETYPE_G; return(LIST); } BLANK { yylval.i = _RUNETYPE_B; return(LIST); } PRINT { yylval.i = _RUNETYPE_R; return(LIST); } IDEOGRAM { yylval.i = _RUNETYPE_I|_RUNETYPE_R|_RUNETYPE_G; return(LIST); } SPECIAL { yylval.i = _RUNETYPE_T|_RUNETYPE_R|_RUNETYPE_G; return(LIST); } PHONOGRAM { yylval.i = _RUNETYPE_Q|_RUNETYPE_R|_RUNETYPE_G; return(LIST); } SWIDTH0 { yylval.i = _RUNETYPE_SW0; return(LIST); } SWIDTH1 { yylval.i = _RUNETYPE_SW1; return(LIST); } SWIDTH2 { yylval.i = _RUNETYPE_SW2; return(LIST); } SWIDTH3 { yylval.i = _RUNETYPE_SW3; return(LIST); } VARIABLE[\t ] { static char vbuf[1024]; char *v = vbuf; while ((*v = input()) && *v != '\n') ++v; if (*v) { unput(*v); *v = 0; } yylval.str = vbuf; return(VARIABLE); } CHARSET { return(CHARSET); } ENCODING { return(ENCODING); } \".*\" { char *e = yytext + 1; yylval.str = e; while (*e && *e != '"') ++e; *e = 0; return(STRING); } \<|\(|\[ { return(LBRK); } \>|\)|\] { return(RBRK); } \- { return(THRU); } \.\.\. { return(THRU); } \: { return(':'); } {W}+ ; ^\#.*\n ; \/\* { char lc = 0; do { while ((lc) != '*') if ((lc = input()) == 0) break; } while((lc = input()) != '/'); } \\$ ; . { printf("Lex is skipping '%s'\n", yytext); } %% #if !defined(yywrap) int yywrap() { return(1); } #endif