/* $NetBSD: scanner.l,v 1.1.1.1 2009/10/26 00:29:12 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. */ /* The point of this test is to be sure our M4 madness does not * interfere with user code. I particular, we are looking * for instances of M4 quotes, [[ and ]], in here to make it through the flex * machinery unscathed. */ /* sect 1 [ 1 ] TEST_XXX */ /* sect 1 [[ 2 ]] TEST_XXX */ /* sect 1 [[[ 3 ]]] TEST_XXX */ /* sect 1 [[[[ 4 ]]]] TEST_XXX */ /* sect 1 ]] unmatched [[ TEST_XXX */ %{ /* A template scanner file to build "scanner.c". */ #include #include #include "config.h" /*#include "parser.h" */ /* sect 1 block [ 1 ] TEST_XXX */ /* sect 1 block [[ 2 ]] TEST_XXX */ /* sect 1 block [[[ 3 ]]] TEST_XXX */ /* sect 1 block [[[[ 4 ]]]] TEST_XXX */ /* sect 1 block ]] unmatched [[ TEST_XXX */ static int a[1] = {0}; static int b[1] = {0}; static int c[1] = {0}; static int foo (int i){ return a[b[c[i]]]; /* sect 1 code TEST_XXX */ } %} %option 8bit outfile="scanner.c" prefix="test" %option nounput nomain noyywrap %option warn %% a /* action comment [ 1 ] */ ; b /* action comment [[ 2 ]] */ ; c /* action comment [[[ 3 ]]] */ ; d /* action comment [[[[ 4 ]]]] */ ; e /* action comment ]] unmatched [[ */ ; f return 1+foo(a[b[c[0]]]); .|\n { /* action block [ 1 ] TEST_XXX */ /* action block [[ 2 ]] TEST_XXX */ /* action block [[[ 3 ]]] TEST_XXX */ /* action block [[[[ 4 ]]]] TEST_XXX */ /* action block ]] unmatched [[ TEST_XXX */ return 1+foo(a[b[c[0]]]); // TEST_XXX } %% /* sect 3 [ 1 ] TEST_XXX */ /* sect 3 [[ 2 ]] TEST_XXX */ /* sect 3 [[[ 3 ]]] TEST_XXX */ /* sect 3 [[[[ 4 ]]]] TEST_XXX */ /* sect 3 ]] unmatched [[ TEST_XXX */ static int bar (int i){ return c[b[a[i]]]; /* sect 3 code TEST_XXX */ } int main(void); int main () { yyin = stdin; yyout = stdout; while (yylex()) ; printf("TEST RETURNING OK.\n"); return bar(0); }