diff options
author | Will Estes <westes575@gmail.com> | 2014-06-04 15:54:44 -0400 |
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committer | Will Estes <westes575@gmail.com> | 2014-11-12 05:14:26 -0500 |
commit | ea001b9938a38d2d09e1623f52a8b5162c281427 (patch) | |
tree | 49de7c33ffe8c594709470551c2fb584d38da786 /tests/bison_yylval_parser.y | |
parent | 120ce9c07d2aa933c3d02f08de535b0d450ba88a (diff) |
use underscores in test file names to silence automake warnings
Diffstat (limited to 'tests/bison_yylval_parser.y')
-rw-r--r-- | tests/bison_yylval_parser.y | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/tests/bison_yylval_parser.y b/tests/bison_yylval_parser.y new file mode 100644 index 0000000..626c5e7 --- /dev/null +++ b/tests/bison_yylval_parser.y @@ -0,0 +1,80 @@ +/* + * 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. + */ + +/* Accepts html-like input. + How to compile: + bison --defines --output-file="parser.c" --name-prefix="test" parser.y + */ +%parse-param { void* scanner } +%lex-param { void* scanner } +%{ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "config.h" + +#define YYERROR_VERBOSE 1 + + +/* A dummy function. A check against seg-faults in yylval->str. */ +int process_text(char* s) { + int total =0; + while(*s) { + total += (int) *s; + ++s; + } + return total; +} + + +%} + +%pure-parser + +%union { + long unused; + char * str; +} + +%token <str> TAGNAME TEXT +%token LT +%token GT +%token LTSLASH "</" + +%% + +html: + TEXT { process_text($1); free($1);} + | starttag html endtag + | html TEXT { process_text($2); free($2);} + | html starttag html endtag + ; + +starttag: LT TAGNAME GT { process_text($2); free($2);} ; +endtag: LTSLASH TAGNAME GT { process_text($2);free($2);} ; +%% + +int yyerror(void* scanner, char* msg) { + fprintf(stderr,"%s\n",msg); + return 0; +} |