/* $NetBSD: scanner.l,v 1.1.1.1 2009/10/26 00:29:55 christos Exp $ */ /* * This file is part of flex. * * 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. * * 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE. */ /* TEST scanner. Basic non-reentrant scanner, but with non-ansi function defs. Compile with: flex scanner.l Sample Input: # this is a comment foo = true bar = "string value" integer = 43 */ %{ #include "config.h" %} %option prefix="test" outfile="scanner.c" %option nounput noyywrap noyylineno warn nodefault %option noansi-prototypes noansi-definitions IDENT [[:alnum:]_-] WS [[:blank:]] %% ^{IDENT}+{WS}*={WS}*(true|false){WS}*\r?\n { return 100;} ^{IDENT}+{WS}*={WS}*\"[^\"\n\r]*\"{WS}*\r?\n { return 101;} ^{IDENT}+{WS}*={WS}*[[:digit:]]+{WS}*\r?\n { return 102;} ^{WS}*#.*\r?\n { } ^{WS}*\r?\n { } .|\n { fprintf(stderr,"Invalid line.\n"); exit(-1);} %% int main(void); int main () { yyin = stdin; yyout = stdout; while( yylex() ) { } printf("TEST RETURNING OK.\n"); return 0; }