view netinstall/iniparse.y @ 5075:868a9ffcc37b

Normally return a compiled function if one argument, #'constantly. 2010-02-24 Aidan Kehoe <kehoea@parhasard.net> * cl-extra.el (constantly): Normally return a compiled function from #'constantly if we are handed a single argument. Shouldn't actually matter, the overhead for returning a single constant in a lambda form vs. in a compiled function is minuscule, but using compiled functions as much as possible is good style in XEmacs, our interpreter is not stellar (nor indeed should it need to be).
author Aidan Kehoe <kehoea@parhasard.net>
date Wed, 24 Feb 2010 17:17:13 +0000
parents 3078fd1074e8
children
line wrap: on
line source

%{
/*
 * 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;
}