flex/bison vs ragel

git-svn-id: https://svn.spreadspace.org/tcpproxy/trunk@38 e61f0598-a718-4e21-a8f0-0aadfa62ad6b

1 files changed, 0 insertions, 273 deletions

diff --git a/src/cfg_parse.y b/src/cfg_parse.y
deleted file mode 100644
index a18abd5..0000000
--- a/src/cfg_parse.y
+++ /dev/null
@@ -1,273 +0,0 @@
-%{
-/*
- *  tcpproxy
- *
- *  tcpproxy is a simple tcp connection proxy which combines the 
- *  features of rinetd and 6tunnel. tcpproxy supports IPv4 and 
- *  IPv6 and also supports connections from IPv6 to IPv4 
- *  endpoints and vice versa.
- *  
- *
- *  Copyright (C) 2010-2011 Christian Pointner <equinox@spreadspace.org>
- *                         
- *  This file is part of tcpproxy.
- *
- *  tcpproxy 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 3 of the License, or
- *  any later version.
- *
- *  tcpproxy 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 tcpproxy. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "datatypes.h"
-#include "log.h"
-#include "options.h"
-#include "tcp.h"
-#include "listener.h"
-
-void yyerror(const char *);
-int yylex(void);
-
-int line_cnt = 1;
-const char* config_file_;
-listeners_t* glisteners;
-
-struct listener {
-  char* la_;
-  resolv_type_t lrt_;
-  char* lp_;
-  char* ra_;
-  resolv_type_t rrt_;
-  char* rp_;
-  char* sa_;
-};
-
-static struct listener* new_listener_struct()
-{
-  struct listener* l = malloc(sizeof(struct listener));
-  l->la_ = NULL;
-  l->lrt_ = ANY;
-  l->lp_ = NULL;
-  l->ra_ = NULL;
-  l->rrt_ = ANY;
-  l->rp_ = NULL;
-  l->sa_ = NULL;
-}
-
-static void clear_listener_struct(struct listener* l)
-{
-  if(l->la_)
-    free(l->la_);
-  if(l->lp_)
-    free(l->lp_);
-  if(l->ra_)
-    free(l->ra_);
-  if(l->rp_)
-    free(l->rp_);
-  if(l->sa_)
-    free(l->sa_);
-
-  free(l);
-}
-
-static void merge_listener_struct(struct listener* dest, struct listener* src)
-{
-  if(src->la_) {
-    if(dest->la_)
-      free(dest->la_);
-    dest->la_ = src->la_;
-  }
-  
-  if(src->lrt_ != ANY)
-    dest->lrt_ = src->lrt_;
-
-  if(src->lp_) {
-    if(dest->lp_)
-      free(dest->lp_);
-    dest->lp_ = src->lp_;
-  }
-
-  if(src->ra_) {
-    if(dest->ra_)
-      free(dest->ra_);
-    dest->ra_ = src->ra_;
-  }
-
-  if(src->rrt_ != ANY)
-    dest->rrt_ = src->rrt_;
-
-  if(src->rp_) {
-    if(dest->rp_)
-      free(dest->rp_);
-    dest->rp_ = src->rp_;
-  }
-
-  if(src->sa_) {
-    if(dest->sa_)
-      free(dest->sa_);
-    dest->sa_ = src->sa_;
-  }
-
-  free(src);
-}
-
-
-void yyinit(const char* config_file, listeners_t* listeners)
-{
-  config_file_ = config_file;
-  glisteners = listeners;
-}
-
-%}
-
-%union 
-{
-  char null;
-  char *string;
-  int rtype;
-  struct listener* listener;
-}
-
-%token <null> TOK_OPEN;
-%token <null> TOK_CLOSE;
-%token <null> TOK_COLON;
-%token <null> TOK_SEMICOLON;
-%token <null> TOK_ASTERISK;
-%token <null> TOK_LISTEN;
-%token <null> TOK_RESOLV;
-%token <null> TOK_REMOTE;
-%token <null> TOK_REMOTE_RESOLV;
-%token <null> TOK_SOURCE;
-%token <rtype> TOK_IPV4;
-%token <rtype> TOK_IPV6;
-%token <string> TOK_NUMBER;
-%token <string> TOK_IPV4_ADDR;
-%token <string> TOK_IPV6_ADDR;
-%token <string> TOK_NAME;
-%token <string> TOK_HOSTNAME;
-
-%type <null> listen
-%type <listener> listen_head
-%type <listener> listen_body
-%type <listener> listen_body_element
-%type <listener> remote
-%type <listener> source
-%type <listener> resolv
-%type <listener> remote_resolv
-%type <rtype> resolv_type
-%type <string> service
-%type <string> host_or_addr
-
-%error-verbose
-
-%%
-cfg: 
-               | cfg listen
-               ;
-
-listen:          listen_head TOK_OPEN listen_body TOK_CLOSE TOK_SEMICOLON
-{
-  merge_listener_struct($1, $3);
-
-  int ret = listener_add(glisteners, $1->la_, $1->lrt_, $1->lp_, $1->ra_, $1->rrt_, $1->rp_, $1->sa_);
-  clear_listener_struct($1);
-  if(ret) {
-    YYABORT;
-  }
-}
-;
-
-listen_head:     TOK_LISTEN host_or_addr service
-{
-  struct listener* l = new_listener_struct();
-  l->la_ = $2;
-  l->lp_ = $3;
-  $$ = l;
-}
-               | TOK_LISTEN TOK_ASTERISK service
-{
-  struct listener* l = new_listener_struct();
-  l->lp_ = $3;
-  $$ = l;
-}
-;
-
-listen_body:     listen_body_element
-               | listen_body listen_body_element
-{
-  merge_listener_struct($1, $2);
-  $$ = $1;
-}
-;
-
-listen_body_element:    resolv TOK_SEMICOLON
-                      | remote TOK_SEMICOLON
-                      | remote_resolv TOK_SEMICOLON
-                      | source TOK_SEMICOLON
-                      ;
-
-remote:          TOK_REMOTE TOK_COLON host_or_addr service
-{
-  struct listener* l = new_listener_struct();
-  l->ra_ = $3;
-  l->rp_ = $4;
-  $$ = l;
-}
-;
-
-source:          TOK_SOURCE TOK_COLON host_or_addr
-{
-  struct listener* l = new_listener_struct();
-  l->sa_ = $3;
-  $$ = l;
-}
-;
-
-resolv:          TOK_RESOLV TOK_COLON resolv_type
-{
-  struct listener* l = new_listener_struct();
-  l->lrt_ = $3;
-  $$ = l;
-}
-;
-
-remote_resolv:   TOK_REMOTE_RESOLV TOK_COLON resolv_type
-{
-  struct listener* l = new_listener_struct();
-  l->rrt_ = $3;
-  $$ = l;
-}
-;
-
-
-resolv_type:     TOK_IPV4
-               | TOK_IPV6
-               ;
-
-service:         TOK_NUMBER
-               | TOK_NAME
-               ;
-
-host_or_addr:    TOK_NUMBER
-               | TOK_NAME
-               | TOK_HOSTNAME
-               | TOK_IPV4_ADDR
-               | TOK_IPV6_ADDR
-               ;
-%%
-
-void yyerror (const char *string)
-{
-  log_printf(ERROR, "%s:%d %s\n", config_file_, line_cnt, string);
-}
-