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Diffstat (limited to 'src/pmlogger/src/lex.l')
| -rw-r--r-- | src/pmlogger/src/lex.l | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/pmlogger/src/lex.l b/src/pmlogger/src/lex.l new file mode 100644 index 0000000..f57b3ca --- /dev/null +++ b/src/pmlogger/src/lex.l @@ -0,0 +1,144 @@ +/* + * Copyright (c) 2014 Red Hat. + * Copyright (c) 1995-2002 Silicon Graphics, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +%{ +#include "pmapi.h" +#include "impl.h" +#include "logger.h" + +int lineno=1; + +#include "gram.tab.h" + +static int +ctx(int type) +{ + extern int mystate; + if (mystate == GLOBAL) + return type; + else { + yylval.str = yytext; + return NAME; + } +} + +%} + +%option noinput +%option nounput + +%{ +#ifdef FLEX_SCANNER +#ifndef YY_NO_UNPUT +#define YY_NO_UNPUT +#endif +#else +#undef input +#define input() ((yytchar=fgetc(yyin)) == EOF ? 0 : yytchar) +#undef unput +#define unput(c) {yytchar=(c); ungetc(yytchar, yyin);} +#endif /* FLEX_SCANNER */ +%} + +%% +"[" { return LSQB; } +"]" { return RSQB; } +"," { return COMMA; } +"{" { return LBRACE; } +"}" { return RBRACE; } +":" { return COLON; } +";" { return SEMICOLON; } + +milliseconds? { return ctx(MSEC); } +mandatory { return ctx(MANDATORY); } +advisory { return ctx(ADVISORY); } +disallow { return ctx(DISALLOW); } +minutes? { return ctx(MINUTE); } +seconds? { return ctx(SECOND); } +default { return ctx(DEFAULT); } +enquire { return ctx(ENQUIRE); } +access { return ctx(ACCESS); } +except { return ctx(EXCEPT); } +allow { return ctx(ALLOW); } +every { return ctx(EVERY); } +maybe { return ctx(MAYBE); } +hours? { return ctx(HOUR); } +msecs? { return ctx(MSEC); } +mins? { return ctx(MINUTE); } +once { return ctx(ONCE); } +secs? { return ctx(SECOND); } +log { return ctx(LOG); } +all { return ctx(ALL); } +off { return ctx(OFF); } +on { return ctx(ON); } + +[A-Za-z][A-Za-z0-9_.]* { yylval.str = yytext; return NAME; } + +[A-Za-z][A-Za-z0-9_.-]* { yylval.str = yytext; return HOSTNAME; } + +\"[^\"\n][^\"\n]*\" { /* strip quotes before returing */ + yytext[strlen(yytext)-1] = '\0'; + yylval.str = yytext+1; + return STRING; + } + +[0-9]+ { yylval.lval = atol(yytext); return NUMBER; } + +[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+ { yylval.str = yytext; return IPSPEC; } +[0-9]+\.[0-9]+\.[0-9]+\.\* { yylval.str = yytext; return IPSPEC; } +[0-9]+\.[0-9]+\.\* { yylval.str = yytext; return IPSPEC; } +[0-9]+\.\* { yylval.str = yytext; return IPSPEC; } +\.\* { yylval.str = yytext; return IPSPEC; } + +([A-Fa-f0-9]+:)*[A-Fa-f0-9]+ { yylval.str = yytext; return IPSPEC; } +:: { yylval.str = yytext; return IPSPEC; } +::([A-Fa-f0-9]+:)*[A-Fa-f0-9]+ { yylval.str = yytext; return IPSPEC; } +([A-Fa-f0-9]+:)+:([A-Fa-f0-9]+:)*[A-Fa-f0-9]+ { yylval.str = yytext; return IPSPEC; } +([A-Fa-f0-9]+:)+: { yylval.str = yytext; return IPSPEC; } + +([A-Fa-f0-9]+:)+\* { yylval.str = yytext; return IPSPEC; } +::([A-Fa-f0-9]+:)*\* { yylval.str = yytext; return IPSPEC; } +([A-Fa-f0-9]+:)+:([A-Fa-f0-9]+:)*\* { yylval.str = yytext; return IPSPEC; } +:\* { yylval.str = yytext; return IPSPEC; } + +\* { yylval.str = yytext; return IPSPEC; } + +unix:[A-Za-z0-9_.-/]*\* { yylval.str = yytext; return URL; } +unix:[A-Za-z0-9_.-/]* { yylval.str = yytext; return URL; } +local:[A-Za-z0-9_.-/]*\* { yylval.str = yytext; return URL; } +local:[A-Za-z0-9_.-/]* { yylval.str = yytext; return URL; } + +\#.* { } + +[ \t\r]+ { } + +\n { lineno++; } + +. { + char emess[256]; + snprintf(emess, sizeof(emess), "Unexpected character '%c'", yytext[0]); + yyerror(emess); + } +%% + +int +yywrap (void) +{ + return 1; +} |