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|
/* -*-c-*-
Clif - A C-like Interpreter Framework
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997 T. Hruz, L. Koren
1998 L. Koren
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* run_str_y
*
* grammar for run string parsing (yacc specification)
*/
%union {
int myyint;
char *myystring;
}
%token <myyint> NUMBER /* integer constant */
%token <myystring> STRING
%token BGC HELP
%token COMPILE WARNING
%token WARRANTY COPYING
%token VERBOSE VERSION
%token '='
%token WARNING_INHIBIT
%token WARNING_COMMENT WARNING_FORMAT WARNING_IMPLICIT WARNING_RETURN_TYPE
%token WARNING_TRIGRAPHS
%token WARNING_UNUSED WARNING_UNINITIALIZED
%token WARNING_EXTRA WARNING_AGGREGATE_RETURN
%token WARNING_ERROR
%token HANDLE_MAIN
%token CALL_BY_REFERENCE CALL_BY_VALUE
%token NO_CALL_BY_REFERENCE NO_CALL_BY_VALUE
%token DUMP_YACC DBG_INFO
%start list_stat_0
%{
#include <stdio.h>
#include "flags.h"
int argc_counter = 0;
extern int bc;
char *argvv[100];
#ifndef PROTO
#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined(__STDC__)
#define PROTO(ARGS) ARGS
#else
#define PROTO(ARGS) ()
#endif
#endif
extern int help PROTO((int));
int yylex PROTO((void));
void error_message PROTO((int));
int yyerror PROTO((char *));
int
yyerror (s)
char *s;
{
return (0);
}
%}
%% /* beginnig of rules section */
list_stat_0 : list_stat_0 stat_0
|
;
stat_0 : BGC '=' NUMBER
{bc = $3;}
| CALL_BY_REFERENCE
{call_by_reference = 1;}
| NO_CALL_BY_REFERENCE
{call_by_reference = 0;}
| CALL_BY_VALUE
{call_by_value = 1;}
| NO_CALL_BY_VALUE
{call_by_value = 0;}
| COMPILE
{no_compile_only = 0;}
| COPYING
{
if (help (2) == -1)
return (-1);
}
| DUMP_YACC
{
extern void dump_yacc PROTO((void));
dump_yacc ();
}
| DBG_INFO
{dbg_symbols = 1;}
| HANDLE_MAIN
{handle_main = 1;}
| HELP
{
if (help (1) == -1)
return (-1);
}
| STRING
{argvv[++argc_counter] = $1;}
| VERBOSE
{
if (help (4) == -1)
return (-1);
}
| VERSION
{
if (help (5) == -1)
return (-1);
}
| WARNING
{warning_yes = 1;}
| WARNING_AGGREGATE_RETURN
{warning_aggregate_return = 1;}
| WARNING_COMMENT
{warning_comment = 1;}
| WARNING_ERROR
{warnings_are_errors = 1;}
| WARNING_EXTRA
{warning_extra = 1;}
| WARNING_FORMAT
{warning_format = 1;}
| WARNING_IMPLICIT
{warning_implicit = 1;}
| WARNING_INHIBIT
{warning_inhibit = 1;}
| WARNING_RETURN_TYPE
{warning_return_type = 1;}
| WARNING_TRIGRAPHS
{warning_trigraphs = 1;}
| WARNING_UNINITIALIZED
{warning_uninitialized = 1;}
| WARNING_UNUSED
{warning_unused = 1;}
| WARRANTY
{
if (help (3) == -1)
return (-1);
}
| error
{
error_message (7000); return (-1);
}
;
%%
|
