/*
* @(#)file Parser.jjt
* @(#)author Sun Microsystems, Inc.
*
* Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
options {
MULTI=true;
STATIC=false;
NODE_PREFIX= "JDM";
NODE_PACKAGE="com.sun.jmx.snmp.IPAcl";
}
PARSER_BEGIN(Parser)
package com.sun.jmx.snmp.IPAcl;
import java.io.*;
public class Parser {
}
PARSER_END(Parser)
SKIP :
{
" "
| "\t"
| "\n"
| "\r"
| <"--" (~["\n","\r"])* ("\n"|"\r"|"\r\n")>
| <"#" (~["\n","\r"])* ("\n"|"\r"|"\r\n")>
}
/* RESERVED WORDS AND LITERALS */
TOKEN :
{
<ACCESS: "access">
| <ACL: "acl">
| <ASSIGN: "=">
| <COMMUNITIES: "communities">
| <ENTERPRISE: "enterprise">
| <HOSTS: "hosts">
| <LBRACE: "{">
| <MANAGERS: "managers">
| <RANGE: "-">
| <RBRACE: "}">
| <RO: "read-only">
| <RW: "read-write">
| <TRAP: "trap">
| <INFORM: "inform">
| <TRAPCOMMUNITY: "trap-community">
| <INFORMCOMMUNITY: "inform-community">
| <TRAPNUM: "trap-num">
}
TOKEN : /* LITERALS */
{
< INTEGER_LITERAL:
<DECIMAL_LITERAL> (["l","L"])?
| <HEX_LITERAL> (["l","L"])?
| <OCTAL_LITERAL> (["l","L"])?
>
|
< #DECIMAL_LITERAL: ["1"-"9"] (["0"-"9"])* >
|
< #HEX_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+ >
|
< #OCTAL_LITERAL: "0" (["0"-"7"])* >
}
TOKEN : /* V6 LITERALS */
{
< V6_ADDRESS: ((( ( (<H> ":")+ (":")?) | "::" ) (<H> ":")* (<H> | (<D> "." <D> "." <D> "." <D>))) | ("::")) | ( (<H> ":")+ ":") >
|
<#H: (["0"-"9","a"-"f","A"-"F"])+ >
|
<#D: (["0"-"9"])+ >
}
TOKEN : /* IDENTIFIERS */
{
< IDENTIFIER: ( (<DIGIT>|<LETTER>)+ (<SEPARATOR>|<LETTER>|<DIGIT>)* (<DIGIT>|<LETTER>)+ ) | (<DIGIT>|<LETTER>)+ >
|
< #LETTER: ["a"-"z","A"-"Z"] >
|
< #SEPARATOR: ["-", "_"] >
|
< #DIGIT: ["0"-"9"] >
|
<CSTRING: "\"" (~["\""])* "\"">
}
TOKEN: /* SEPARATOR */
{
< COMMA: "," >
| < DOT: "." >
| < MARK: "!" >
| < MASK: "/">
}
// A file can contain several acl definitions
//
JDMSecurityDefs SecurityDefs() : {}
{
[AclBlock()]
[TrapBlock()]
[InformBlock()]
<EOF>
{ return jjtThis;}
}
void AclBlock(): {}
{
"acl" "=" "{" (AclItem())+ "}"
}
void AclItem(): {}
{
"{" jjtThis.com= Communities() jjtThis.access= Access() Managers() "}"
}
JDMCommunities Communities(): {}
{
"communities" "=" Community() ( "," Community())*
{return jjtThis;}
}
void Community():
{
Token t;
}
{
t=<IDENTIFIER> {jjtThis.communityString= t.image;}
}
JDMAccess Access(): {}
{
"access" "=" ( <RO> {jjtThis.access= RO;}
|
<RW> {jjtThis.access= RW;}
)
{return jjtThis;}
}
void Managers() : { }
{
"managers" "=" Host() ( "," Host())*
}
void Host() :
{
Token t;
}
{
HostName()
|
LOOKAHEAD(<INTEGER_LITERAL> ( "." <INTEGER_LITERAL> )* "/" <INTEGER_LITERAL>)
NetMask()
|
LOOKAHEAD(<V6_ADDRESS> "/" <INTEGER_LITERAL>)
NetMaskV6()
|
LOOKAHEAD(<INTEGER_LITERAL> ".")
IpAddress()
|
IpV6Address()
|
IpMask()
}
void HostName():
{
Token t;
}
{
t=<IDENTIFIER> { jjtThis.name.append(t.image); }
(
"." t=<IDENTIFIER>
{jjtThis.name.append( "." + t.image); }
)*
}
void IpAddress():
{
Token t;
}
{
t= <INTEGER_LITERAL>
{jjtThis.address.append(t.image); }
(
"." t= <INTEGER_LITERAL>
{jjtThis.address.append( "." + t.image); }
)*
}
void IpV6Address():
{
Token t;
}
{
t= <V6_ADDRESS>
{jjtThis.address.append(t.image); }
}
void IpMask():
{
Token t;
}
{
t= <INTEGER_LITERAL>
{jjtThis.address.append(t.image); }
(
"!" t= <INTEGER_LITERAL>
{jjtThis.address.append( "." + t.image); }
)*
}
void NetMask():
{
Token t;
}
{
t= <INTEGER_LITERAL>
{jjtThis.address.append(t.image); }
(
"." t= <INTEGER_LITERAL>
{jjtThis.address.append( "." + t.image); }
)* "/" t= <INTEGER_LITERAL> {jjtThis.mask = t.image; }
}
void NetMaskV6():
{
Token t;
}
{
t= <V6_ADDRESS>
{jjtThis.address.append(t.image); }
"/" t= <INTEGER_LITERAL> {jjtThis.mask = t.image; }
}
void TrapBlock(): { }
{
"trap" "=" "{" (TrapItem())* "}"
}
void TrapItem(): { }
{
"{" jjtThis.comm= TrapCommunity() TrapInterestedHost() (Enterprise())* "}"
}
JDMTrapCommunity TrapCommunity():
{
Token t;
}
{
"trap-community" "=" t=<IDENTIFIER> { jjtThis.community= t.image; return jjtThis; }
}
void TrapInterestedHost(): { }
{
"hosts" "=" HostTrap() ("," HostTrap())*
}
void HostTrap() :
{
Token t;
}
{
HostName()
|
IpAddress()
|
IpV6Address()
}
void Enterprise():
{
Token t;
}
{
"{"
"enterprise" "=" t=<CSTRING> {jjtThis.enterprise= t.image;}
"trap-num" "=" TrapNum() ("," TrapNum())*
"}"
}
void TrapNum():
{
/**代码未完, 请加载全部代码(NowJava.com).**/