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author | Manoj Srivastava <srivasta@debian.org> | 2016-01-22 13:36:58 -0800 |
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committer | Manoj Srivastava <srivasta@debian.org> | 2016-01-22 13:36:58 -0800 |
commit | 426e91fa66c2a2341d46f977ee351bd24ef3331c (patch) | |
tree | b4d506125335b5e5d748ac284b7239e10df96d21 /tests/bison_nr_parser.y | |
parent | 26bb2525c89ecda0b0bc7b597ec8d1b792fc8662 (diff) | |
parent | 83d5d1695a2ab1d69ea4d8e7df27146c644876fc (diff) |
Merge tag 'v2.6.0' into upstream
flex v2.6.0 release
Signed-off-by: Manoj Srivastava <srivasta@debian.org>
# gpg: Signature made Sat 05 Dec 2015 11:42:31 AM PST using RSA key ID 4F8BC9A4
# gpg: requesting key 4F8BC9A4 from hkp server pool.sks-keyservers.net
# gpg: no valid OpenPGP data found.
# gpg: Total number processed: 0
# gpg: keyserver communications error: key not found
# gpg: keyserver communications error: bad public key
# gpg: Can't check signature: public key not found
# Conflicts:
# Makefile.am
# NEWS
# autogen.sh
# configure.ac
# doc/Makefile.am
# doc/flex.texi
# examples/fastwc/mywc.c
# lib/Makefile.am
# lib/malloc.c
# lib/realloc.c
# po/POTFILES.in
# po/ca.po
# po/da.po
# po/de.po
# po/eo.po
# po/es.po
# po/fi.po
# po/fr.po
# po/ga.po
# po/hr.po
# po/ko.po
# po/nl.po
# po/pl.po
# po/pt_BR.po
# po/ro.po
# po/ru.po
# po/sr.po
# po/sv.po
# po/tr.po
# po/vi.po
# po/zh_CN.po
# po/zh_TW.po
# tests/Makefile.am
# tests/README
Diffstat (limited to 'tests/bison_nr_parser.y')
-rw-r--r-- | tests/bison_nr_parser.y | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/tests/bison_nr_parser.y b/tests/bison_nr_parser.y new file mode 100644 index 0000000..3021048 --- /dev/null +++ b/tests/bison_nr_parser.y @@ -0,0 +1,98 @@ +/* + * 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. + */ + +/* + 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" +#include "bison_nr_parser.h" +#include "bison_nr_scanner.h" + +#define YYERROR_VERBOSE 1 +/* #define YYPARSE_PARAM scanner */ +/* #define YYLEX_PARAM scanner */ + +int yyerror(const char* msg); +extern int testget_lineno(void); + + +/* 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 { + int lineno; + char * str; +} +%token <str> IDENT +%token <lineno> LINENO +%token EQUAL "=" +%token COLON ":" +%token SPACE " " +%% + +file: + line + | file line + ; + +line: + LINENO COLON SPACE IDENT EQUAL IDENT + { + process_text($4); + process_text($6); + /* Check lineno. */ + if( $1 != @1.first_line || $1 != testget_lineno()) + { + yyerror("Parse failed: Line numbers do not match."); + YYABORT; + } + + /* Recreate the line to stdout. */ + printf ( "%04d: %s=%s\n", @1.first_line, $4, $6); + } + ; + +%% + +int yyerror(const char* msg) { + fprintf(stderr,"%s\n",msg); + return 0; +} + |