root/branches/2.10/src/iniparse.y

%{
/*
 * Copyright (c) 2000, Red Hat, Inc.
 *
 *     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.
 *
 *     A copy of the GNU General Public License can be found at
 *     http://www.gnu.org/
 *
 * Written by DJ Delorie <dj@cygnus.com>
 *
 */

/* Parse the setup.ini files.  inilex.l provides the tokens for this. */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "win32.h"

#include "ini.h"
#include "iniparse.h"

#include "port.h"

#define YYERROR_VERBOSE 1
/*#define YYDEBUG 1*/

static Package *cp;
static int trust;
extern unsigned int setup_timestamp;
extern char *setup_version;
extern int yylineno;
extern int CDECL yyerror (char *s, ...);

#define cpt (cp->info+trust)

%}

%token STRING
%token SETUP_TIMESTAMP SETUP_VERSION VERSION INSTALL SOURCE SDESC LDESC TYPE
%token T_PREV T_CURR T_TEST T_UNKNOWN

%%

whole_file
 : setup_headers packages
 ;

setup_headers
 : setup_header setup_headers
 | /* empty */
 ;

setup_header
 : SETUP_TIMESTAMP STRING '\n' { setup_timestamp = strtoul ($2, 0, 0); }
 | SETUP_VERSION STRING '\n' { setup_version = strdup ($2); }
 | '\n'
 | error { yyerror ("unrecognized line in setup.ini headers (do you have the latest setup?)"); } '\n'
 ;

packages
 : package packages
 | /* empty */
 ;

package
 : '@' STRING '\n'              { new_package($2); }
   lines
 ;

lines
 : simple_line '\n' lines
 | simple_line
 ;

simple_line
 : VERSION STRING               { cpt->version = $2; }
 | SDESC STRING                 { cp->sdesc = $2; }
 | LDESC STRING                 { cp->ldesc = $2; }
 | INSTALL STRING STRING        { cpt->install = $2;
                                  cpt->install_size = atoi($3); }
 | SOURCE STRING STRING         { cpt->source = $2;
                                  cpt->source_size = atoi($3); }
 | TYPE STRING          { if (!strcmp ($2, "cygwin"))
                                        cp->type = TY_CYGWIN;
                                  else if (!strcmp ($2, "native"))
                                        cp->type = TY_NATIVE;
                                  else 
                                        cp->type = TY_GENERIC; }
 | T_PREV                       { trust = TRUST_PREV; }
 | T_CURR                       { trust = TRUST_CURR; }
 | T_TEST                       { trust = TRUST_TEST; }
 | T_UNKNOWN                    { trust = TRUST_UNKNOWN; }
 | /* empty */
 | error '\n' { yylineno --;
                yyerror ("unrecognized line in package %s (do you have the latest setup?)", cp->name);
                yylineno ++;
              }
 ;

%%

Package *package = 0;
Package *xemacs_package = 0;
int npackages = 0;
static int maxpackages = 0;

Package *
new_package (char *name)
{
  if (package == 0)
    maxpackages = npackages = 0;
  if (npackages >= maxpackages)
    {
      maxpackages += 10;
      if (package)
        package = (Package *) realloc (package, maxpackages * sizeof (Package));
      else
        package = (Package *) malloc (maxpackages * sizeof (Package));
    }
  cp = package + npackages;
  npackages ++;

  memset (cp, 0, sizeof (Package));
  cp->name = name;

  trust = TRUST_CURR;

  return cp;
}