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Diffstat (limited to 'tests/quotes.l')
| -rw-r--r-- | tests/quotes.l | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/tests/quotes.l b/tests/quotes.l new file mode 100644 index 0000000..d1b97eb --- /dev/null +++ b/tests/quotes.l @@ -0,0 +1,131 @@ +/* + * 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 <stdio.h> +#include <stdlib.h> +#include "config.h" +#include <assert.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 prefix="test" +%option nounput nomain noyywrap noinput +%option warn + + +%% + /* indented code [ 1 ] */ + /* indented code [[ 2 ]] */ + /* indented code [[[ 3 ]]] */ + /* indented code [[[[ 4 ]]]] */ + /* indented code ]] unmatched [[ */ +%{ +// non-indented code [ 1 ] +// non-indented code [[ 2 ]] +// non-indented code [[[ 3 ]]] +// non-indented code [[[[ 4 ]]]] +%} + +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 { + +#if 0 + action code [ 1 ] TEST_XXX + action code [[ 2 ]] TEST_XXX + action code [[[ 3 ]]] TEST_XXX + action code [[[[ 4 ]]]] TEST_XXX + action code ]] unmatched [[ TEST_XXX +#endif + /* 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 */ + assert(!strcmp("[[ 2 ]]", "[""[ 2 ]""]")); + assert(!strcmp("[[[ 3 ]]]", "[""[""[ 3 ]""]""]")); + assert(!strcmp("[[[[ 4 ]]]]", "[""[""[""[ 4 ]""]""]""]")); + assert(!strcmp("]] unmatched [[", "]""] unmatched [""[")); + assert(!strcmp("]]m4_define(alpha, beta)[[", + "]""]m4_""define(alpha, beta)[""[")); + 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); + +#define CONCAT_IDENTS(a, b) a##b +int +main (void) +{ + /* m4_m4exit(100) */ + FILE *M4_YY_NOT_IN_HEADER = stdin; + yyin = CONCAT_IDENTS(M4_, YY_NOT_IN_HEADER); + yyout = stdout; + while (yylex()) + ; + assert(!strcmp("YY_G( alpha)", "Y""Y_G( alpha)")); + printf("TEST RETURNING OK.\n"); + return bar(0); +} + |