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%{
/* Copyright 1993-95 by Carl Harris, Jr. Copyright 1996 by Eric S. Raymond
 * All rights reserved.
 * For license terms, see the file COPYING in this directory.
 */

/***********************************************************************
  module:       rcfile_y.y
  project:      fetchmail
  programmer:   Carl Harris, ceharris@mal.com
		Extensively hacked and fixed by esr.
  description:  configuration file parser

 ***********************************************************************/

#include <config.h>
#include <stdio.h>
extern char *rcfile;
extern int prc_lineno;
extern int prc_errflag;
extern char *yytext;

int yydebug;	/* in case we didn't generate with -- debug */
%}

%union {
  int proto;
  int flag;
  char *sval;
}

%token KW_SERVER KW_PROTOCOL KW_LOCALNAME KW_REMOTENAME KW_PASSWORD
%token KW_MAILBOX KW_SMTPHOST KW_MDA KW_DEFAULTS
%token <proto> KW_PROTO
%token <sval>  PARAM_STRING
%token <flag>  KW_KEEP KW_FLUSH KW_FETCHALL KW_REWRITE KW_PORT KW_SKIP

/* these are actually used by the lexer */
%token FLAG_TRUE	2
%token FLAG_FALSE	1

%%

rcfile:		rcline
	|	rcfile rcline
  ;

rcline:		statement
  ;

statement:
	|	define_server			{prc_register(); prc_reset();}
  ;

define_server:	KW_SERVER PARAM_STRING server_options 	{prc_setserver($2);}
	|	KW_SERVER PARAM_STRING			{prc_setserver($2);}
	|	KW_DEFAULTS server_options	{prc_setserver("defaults");}
  ;

server_options:	serv_option_clause
	|	server_options serv_option_clause
  ;

serv_option_clause: 
		KW_PROTOCOL KW_PROTO	     {prc_setproto($2);}
	|	KW_LOCALNAME PARAM_STRING    {prc_localname($2);}
	|	KW_REMOTENAME PARAM_STRING   {prc_remotename($2);}
	|	KW_PASSWORD PARAM_STRING     {prc_setpassword($2);}
	|	KW_MAILBOX PARAM_STRING      {prc_setmailbox($2);}
	|	KW_SMTPHOST PARAM_STRING     {prc_setsmtphost($2);}
	|	KW_MDA PARAM_STRING          {prc_setmda($2);}
	|	KW_KEEP			     {prc_setkeep($1==FLAG_TRUE);}
	|	KW_FLUSH		     {prc_setflush($1==FLAG_TRUE);}
	|	KW_FETCHALL		     {prc_setfetchall($1==FLAG_TRUE);}
	|	KW_REWRITE		     {prc_setrewrite($1==FLAG_TRUE);}
	|	KW_SKIP			     {prc_setskip($1==FLAG_TRUE);}
	|	KW_PORT PARAM_STRING	     {prc_setport($2);}
  ;

%%

yyerror (s)
char *s;
{
  fprintf(stderr,"%s line %d: %s at %s\n", rcfile, prc_lineno, s, yytext);
  prc_errflag++;
}