Your message dated Fri, 07 Mar 2008 17:26:04 +0100
with message-id <[EMAIL PROTECTED]>
and subject line Re: Bug#469862: 'no input grammar'
has caused the Debian Bug report #469862,
regarding 'no input grammar'
to be marked as done.
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--
469862: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=469862
Debian Bug Tracking System
Contact [EMAIL PROTECTED] with problems
--- Begin Message ---
Package: bison++
Version: 1.21.11-3
hi!
bison-call simply fails. i have to admit, i don't know much about bison.
i checked the input file and to me it looks good. i then tried
bison-1:2.3.dfsg-5, which worked.
the grammar input file is (from iproute-2.6.20-070313):
----- snip -----
%{
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <string.h>
#include "m_ematch.h"
%}
%locations
%token-table
%error-verbose
%name-prefix="ematch_"
%union {
unsigned int i;
struct bstr *b;
struct ematch *e;
}
%{
extern int ematch_lex(void);
extern void yyerror(char *s);
extern struct ematch *ematch_root;
extern char *ematch_err;
%}
%token <i> ERROR
%token <b> ATTRIBUTE
%token <i> AND OR NOT
%type <i> invert relation
%type <e> match expr
%type <b> args
%right AND OR
%start input
%%
input:
/* empty */
| expr
{ ematch_root = $1; }
| expr error
{
ematch_root = $1;
YYACCEPT;
}
;
expr:
match
{ $$ = $1; }
| match relation expr
{
$1->relation = $2;
$1->next = $3;
$$ = $1;
}
;
match:
invert ATTRIBUTE '(' args ')'
{
$2->next = $4;
$$ = new_ematch($2, $1);
if ($$ == NULL)
YYABORT;
}
| invert '(' expr ')'
{
$$ = new_ematch(NULL, $1);
if ($$ == NULL)
YYABORT;
$$->child = $3;
}
;
args:
ATTRIBUTE
{ $$ = $1; }
| ATTRIBUTE args
{ $1->next = $2; }
;
relation:
AND
{ $$ = TCF_EM_REL_AND; }
| OR
{ $$ = TCF_EM_REL_OR; }
;
invert:
/* empty */
{ $$ = 0; }
| NOT
{ $$ = 1; }
;
%%
void yyerror(char *s)
{
ematch_err = strdup(s);
}
----- snap -----
the bison call is:
bison -d -t -v -o emp_ematch.yacc.c emp_ematch.y
distribution is: debian lenny x86_64
Chris
--- End Message ---
--- Begin Message ---
[EMAIL PROTECTED] wrote:
> Package: bison++
> Version: 1.21.11-3
>
> hi!
>
> bison-call simply fails. i have to admit, i don't know much about
> bison. i checked the input file and to me it looks good. i then tried
> bison-1:2.3.dfsg-5, which worked.
Bison++ is not meant to be a drop-in replacement for bison.
It indeed is, for bison v1.19., but only incidentally.
I assume bison has evolved, allowing this grammar. Bison++ is there for
compatibility only, right now.
Regards,
--- End Message ---
