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author | Will Estes <wlestes@users.sourceforge.net> | 2001-05-18 17:22:22 +0000 |
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committer | Will Estes <wlestes@users.sourceforge.net> | 2001-05-18 17:22:22 +0000 |
commit | dc3a30a46cb3a42fc0a858dfa243a96112c8e551 (patch) | |
tree | 3bfc63b1584ca1f53f299b84d39b3ebe8ddc2811 /tests/test-bison-yylval/parser.y | |
parent | 756defa0610404257cb8a1c8ef513365a6674789 (diff) |
add john millaway's test directory
Diffstat (limited to 'tests/test-bison-yylval/parser.y')
-rw-r--r-- | tests/test-bison-yylval/parser.y | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/tests/test-bison-yylval/parser.y b/tests/test-bison-yylval/parser.y new file mode 100644 index 0000000..8dfebd8 --- /dev/null +++ b/tests/test-bison-yylval/parser.y @@ -0,0 +1,75 @@ +/* Accepts html-like input. + How to compile: + bison --defines --output-file="parser.c" --name-prefix="test" parser.y + */ +%{ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "config.h" + +#define YYERROR_VERBOSE 1 +#define YYPARSE_PARAM scanner +#define YYLEX_PARAM scanner + + +int yyerror(char* msg); +extern int testlex_init(void**); +extern int testlex_destroy(void**); +extern int testset_in(FILE*,void*); +extern int testlex(); + +/* 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(char* msg) { + fprintf(stderr,"%s\n",msg); + return 0; +} + + +int main ( int argc, char** argv ) +{ + void* scanner; + /*yydebug =1;*/ + testlex_init ( &scanner ); + testset_in(stdin,scanner); + testparse ( scanner ); + testlex_destroy ( scanner ); + return 0; +} + |