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net.ripe.db.whois.common.generated.DefaultParser Maven / Gradle / Ivy
//### This file created by BYACC 1.8(/Java extension 1.15)
//### Java capabilities added 7 Jan 97, Bob Jamison
//### Updated : 27 Nov 97 -- Bob Jamison, Joe Nieten
//### 01 Jan 98 -- Bob Jamison -- fixed generic semantic constructor
//### 01 Jun 99 -- Bob Jamison -- added Runnable support
//### 06 Aug 00 -- Bob Jamison -- made state variables class-global
//### 03 Jan 01 -- Bob Jamison -- improved flags, tracing
//### 16 May 01 -- Bob Jamison -- added custom stack sizing
//### 04 Mar 02 -- Yuval Oren -- improved java performance, added options
//### 14 Mar 02 -- Tomas Hurka -- -d support, static initializer workaround
//### Please send bug reports to [email protected]
//### static char yysccsid[] = "@(#)yaccpar 1.8 (Berkeley) 01/20/90";
package net.ripe.db.whois.common.generated;
//#line 2 "src/main/parser/byacc/default.y"
import net.ripe.db.whois.common.rpsl.AttributeParser;
import net.ripe.db.whois.common.rpsl.ParserHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.StringReader;
/*
filename: default.y
description:
Defines the grammar for an RPSL default attribute. It was mostly
stolen from the IRRToolSet, simplified by removing ability to parse
things defined by a dictionary (we use XML for extensibility rather
than a dictionary).
notes:
Defines tokens for the associated lexer, default.l.
*/
//#line 37 "DefaultParser.java"
public class DefaultParser
implements AttributeParser
{
boolean yydebug; //do I want debug output?
int yynerrs; //number of errors so far
int yyerrflag; //was there an error?
int yychar; //the current working character
//########## MESSAGES ##########
//###############################################################
// method: debug
//###############################################################
void debug(String msg)
{
if (yydebug)
System.out.println(msg);
}
//########## STATE STACK ##########
final static int YYSTACKSIZE = 500; //maximum stack size
int statestk[] = new int[YYSTACKSIZE]; //state stack
int stateptr;
int stateptrmax; //highest index of stackptr
int statemax; //state when highest index reached
//###############################################################
// methods: state stack push,pop,drop,peek
//###############################################################
final void state_push(int state)
{
try {
stateptr++;
statestk[stateptr]=state;
}
catch (ArrayIndexOutOfBoundsException e) {
int oldsize = statestk.length;
int newsize = oldsize * 2;
int[] newstack = new int[newsize];
System.arraycopy(statestk,0,newstack,0,oldsize);
statestk = newstack;
statestk[stateptr]=state;
}
}
final int state_pop()
{
return statestk[stateptr--];
}
final void state_drop(int cnt)
{
stateptr -= cnt;
}
final int state_peek(int relative)
{
return statestk[stateptr-relative];
}
//###############################################################
// method: init_stacks : allocate and prepare stacks
//###############################################################
final boolean init_stacks()
{
stateptr = -1;
val_init();
return true;
}
//###############################################################
// method: dump_stacks : show n levels of the stacks
//###############################################################
void dump_stacks(int count)
{
int i;
System.out.println("=index==state====value= s:"+stateptr+" v:"+valptr);
for (i=0;i=YYSTACKSIZE)
return;
valstk[++valptr]=val;
}
DefaultParserVal val_pop()
{
if (valptr<0)
return new DefaultParserVal();
return valstk[valptr--];
}
void val_drop(int cnt)
{
int ptr;
ptr=valptr-cnt;
if (ptr<0)
return;
valptr = ptr;
}
DefaultParserVal val_peek(int relative)
{
int ptr;
ptr=valptr-relative;
if (ptr<0)
return new DefaultParserVal();
return valstk[ptr];
}
final DefaultParserVal dup_yyval(DefaultParserVal val)
{
DefaultParserVal dup = new DefaultParserVal();
dup.ival = val.ival;
dup.dval = val.dval;
dup.sval = val.sval;
dup.obj = val.obj;
return dup;
}
//#### end semantic value section ####
public final static short OP_OR=257;
public final static short OP_AND=258;
public final static short OP_NOT=259;
public final static short OP_MS=260;
public final static short OP_EQUAL=261;
public final static short OP_APPEND=262;
public final static short OP_COMPARE=263;
public final static short KEYW_ANY=264;
public final static short KEYW_PEERAS=265;
public final static short ASPATH_POSTFIX=266;
public final static short TKN_FLTRNAME=267;
public final static short TKN_ASNO=268;
public final static short TKN_ASRANGE=269;
public final static short TKN_RSNAME=270;
public final static short TKN_ASNAME=271;
public final static short TKN_PRFXV4=272;
public final static short TKN_PRFXV4RNG=273;
public final static short TKN_IPV4=274;
public final static short TKN_DNS=275;
public final static short TKN_RTRSNAME=276;
public final static short TKN_PRNGNAME=277;
public final static short KEYW_TO=278;
public final static short KEYW_ACTION=279;
public final static short KEYW_NETWORKS=280;
public final static short KEYW_EXCEPT=281;
public final static short TKN_PREF=282;
public final static short TKN_MED=283;
public final static short TKN_DPA=284;
public final static short TKN_ASPATH=285;
public final static short TKN_COMMUNITY=286;
public final static short TKN_NEXT_HOP=287;
public final static short TKN_COST=288;
public final static short TKN_COMM_NO=289;
public final static short KEYW_IGP_COST=290;
public final static short KEYW_SELF=291;
public final static short KEYW_PREPEND=292;
public final static short KEYW_APPEND=293;
public final static short KEYW_DELETE=294;
public final static short KEYW_CONTAINS=295;
public final static short KEYW_AT=296;
public final static short KEYW_INTERNET=297;
public final static short KEYW_NO_EXPORT=298;
public final static short KEYW_NO_ADVERTISE=299;
public final static short TKN_INT=300;
public final static short YYERRCODE=256;
final static short yylhs[] = { -1,
0, 2, 2, 3, 3, 4, 4, 5, 5, 10,
10, 10, 11, 11, 12, 12, 6, 6, 7, 7,
13, 13, 14, 14, 14, 15, 15, 16, 16, 16,
1, 1, 8, 8, 17, 17, 17, 17, 17, 17,
17, 18, 19, 19, 20, 21, 25, 25, 22, 22,
22, 22, 22, 22, 22, 26, 27, 27, 28, 28,
28, 28, 28, 23, 23, 24, 9, 9, 9, 29,
29, 30, 30, 30, 31, 31, 31, 31, 31, 33,
33, 34, 34, 34, 34, 34, 35, 35, 36, 36,
37, 37, 32, 32, 38, 38, 39, 39, 39, 39,
39, 40, 40, 40, 40, 41, 41, 41, 41, 41,
41, 42, 42, 42, 42, 42, 42, 42,
};
final static short yylen[] = { 2,
4, 3, 1, 0, 2, 0, 2, 3, 1, 3,
3, 1, 3, 1, 1, 1, 0, 1, 0, 2,
3, 1, 3, 3, 1, 3, 1, 1, 1, 1,
1, 3, 2, 3, 1, 1, 1, 1, 1, 1,
1, 3, 3, 3, 3, 6, 1, 3, 3, 3,
6, 6, 6, 4, 3, 3, 1, 3, 1, 1,
1, 1, 1, 3, 3, 3, 3, 2, 1, 3,
1, 2, 3, 1, 1, 3, 1, 1, 1, 2,
1, 1, 1, 1, 1, 3, 0, 1, 1, 3,
1, 1, 3, 1, 2, 1, 2, 2, 2, 2,
1, 1, 1, 3, 1, 1, 1, 1, 1, 3,
4, 0, 2, 2, 2, 4, 2, 2,
};
final static short yydefred[] = { 0,
0, 0, 15, 16, 3, 0, 0, 0, 0, 12,
14, 0, 0, 0, 0, 28, 31, 30, 0, 0,
0, 0, 0, 25, 27, 0, 0, 13, 0, 0,
0, 0, 0, 0, 0, 0, 0, 35, 36, 37,
38, 39, 40, 41, 0, 1, 0, 0, 0, 0,
2, 0, 0, 0, 10, 11, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 33, 0,
75, 83, 78, 82, 85, 84, 0, 0, 0, 0,
77, 0, 71, 74, 79, 0, 26, 32, 0, 0,
23, 24, 42, 44, 43, 45, 0, 0, 49, 50,
55, 63, 59, 60, 61, 62, 0, 57, 0, 0,
0, 64, 65, 66, 34, 72, 0, 91, 92, 0,
0, 89, 107, 106, 108, 0, 109, 102, 103, 0,
0, 0, 0, 101, 105, 0, 0, 0, 80, 0,
0, 54, 0, 0, 0, 0, 73, 86, 0, 0,
112, 0, 76, 0, 0, 100, 97, 98, 99, 0,
70, 47, 0, 56, 58, 0, 0, 0, 90, 104,
0, 114, 0, 117, 118, 115, 110, 0, 46, 0,
51, 52, 53, 111, 0, 48, 116,
};
final static short yydgoto[] = { 2,
20, 7, 14, 46, 8, 21, 51, 36, 80, 9,
10, 11, 22, 23, 24, 25, 81, 38, 39, 40,
41, 42, 43, 44, 163, 99, 107, 108, 82, 83,
84, 131, 85, 86, 120, 121, 122, 132, 133, 134,
135, 152,
};
final static short yysindex[] = { -242,
-40, 0, 0, 0, 0, -33, -241, -35, -225, 0,
0, -32, -207, -227, -33, 0, 0, 0, -23, 12,
-236, -186, -224, 0, 0, -33, -33, 0, -161, -159,
-156, 62, 86, -143, -139, -207, 64, 0, 0, 0,
0, 0, 0, 0, 270, 0, -225, -21, -151, -23,
0, -23, -23, -23, 0, 0, -171, -250, -169, -155,
18, 18, 18, -230, -183, -245, -167, 77, 0, 270,
0, 0, 0, 0, 0, 0, 270, -229, 126, 194,
0, -120, 0, 0, 0, -121, 0, 0, -186, -224,
0, 0, 0, 0, 0, 0, 102, -230, 0, 0,
0, 0, 0, 0, 0, 0, 42, 0, 103, 104,
105, 0, 0, 0, 0, 0, -38, 0, 0, 24,
106, 0, 0, 0, 0, 126, 0, 0, 0, 52,
-50, 126, -11, 0, 0, 270, -120, 270, 0, -116,
-19, 0, -230, -230, -230, -230, 0, 0, -229, -30,
0, -9, 0, 126, -11, 0, 0, 0, 0, -120,
0, 0, 47, 0, 0, 48, 49, 57, 0, 0,
178, 0, 108, 0, 0, 0, 0, 126, 0, -113,
0, 0, 0, 0, -110, 0, 0,
};
final static short yyrindex[] = { 0,
0, 0, 0, 0, 0, 0, 16, 15, 1, 0,
0, 0, 0, 148, 0, 0, 0, 0, 0, 10,
21, 19, 6, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 23, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 8, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 36, 0, 163,
0, 87, 0, 0, 0, 55, 0, 0, 28, 13,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
39, 0, 0, 0, 0, 0, 0, 0, 0, 223,
0, -27, 63, 0, 0, 0, 119, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 94, 0, 0, 0, 0, 151,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 299, 0, 0, 0, 0, -17, 0, 0,
0, 0, 0, 0, 0, 0, 0,
};
final static short yygindex[] = { 0,
0, 0, 0, 0, 159, 0, 0, 0, 91, 152,
90, 0, 11, 117, 60, 0, 26, 0, 0, 0,
0, 0, 0, 0, 0, 58, -80, 27, -54, -66,
0, 45, 0, 0, 0, 0, 25, 22, -105, 0,
0, 29,
};
final static int YYTABLESIZE=570;
static short yytable[];
static { yytable();}
static void yytable(){
yytable = new short[]{ 6,
9, 77, 147, 116, 19, 22, 6, 8, 28, 29,
170, 153, 21, 94, 17, 4, 19, 141, 18, 87,
19, 79, 5, 93, 143, 137, 155, 20, 112, 48,
157, 159, 26, 53, 94, 1, 176, 13, 37, 94,
9, 9, 118, 119, 93, 113, 22, 8, 8, 95,
29, 158, 45, 21, 81, 27, 54, 49, 102, 50,
89, 68, 137, 166, 167, 168, 103, 104, 105, 106,
52, 161, 155, 154, 29, 30, 31, 32, 33, 34,
35, 160, 142, 177, 78, 143, 69, 179, 181, 182,
180, 143, 143, 154, 81, 81, 94, 183, 96, 57,
143, 58, 96, 96, 59, 164, 93, 60, 96, 109,
110, 111, 91, 92, 81, 55, 56, 66, 68, 100,
101, 67, 69, 88, 96, 64, 69, 69, 93, 95,
96, 65, 114, 95, 95, 115, 97, 138, 139, 95,
98, 140, 144, 145, 146, 151, 69, 6, 148, 149,
67, 162, 185, 96, 186, 95, 96, 187, 68, 68,
87, 129, 7, 88, 12, 126, 47, 117, 90, 165,
150, 127, 0, 169, 0, 178, 0, 81, 68, 171,
0, 0, 0, 0, 95, 0, 96, 95, 0, 0,
67, 67, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 69,
67, 0, 0, 0, 0, 0, 130, 95, 136, 128,
70, 15, 0, 176, 15, 71, 72, 3, 73, 74,
4, 75, 76, 77, 3, 52, 5, 4, 16, 17,
18, 68, 0, 29, 30, 31, 32, 33, 34, 35,
16, 17, 18, 79, 156, 172, 0, 9, 173, 174,
0, 175, 22, 0, 8, 0, 29, 29, 112, 21,
184, 0, 0, 67, 9, 9, 9, 0, 0, 9,
9, 8, 8, 8, 22, 22, 8, 8, 29, 29,
29, 21, 21, 17, 17, 4, 9, 18, 18, 19,
19, 22, 5, 8, 0, 29, 20, 20, 21, 77,
17, 81, 81, 81, 18, 112, 78, 0, 81, 81,
0, 81, 81, 0, 81, 81, 0, 96, 0, 79,
96, 0, 0, 96, 0, 0, 81, 81, 81, 81,
81, 81, 81, 69, 113, 69, 61, 62, 63, 0,
69, 69, 0, 69, 69, 0, 69, 69, 95, 0,
0, 95, 0, 0, 95, 0, 0, 0, 69, 69,
69, 69, 69, 69, 69, 68, 0, 68, 0, 0,
0, 0, 68, 68, 0, 68, 68, 0, 68, 68,
123, 113, 78, 124, 0, 0, 125, 0, 0, 0,
68, 68, 68, 68, 68, 68, 68, 67, 0, 67,
0, 0, 0, 0, 67, 67, 0, 67, 67, 0,
67, 67, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 67, 67, 67, 67, 67, 67, 67, 0,
0, 0, 172, 0, 0, 173, 174, 0, 175, 0,
136, 0, 70, 0, 0, 0, 0, 71, 72, 0,
73, 74, 0, 75, 76, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 29, 30, 31, 32, 33,
34, 35, 0, 0, 0, 0, 0, 112, 0, 0,
112, 112, 0, 112, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 70, 0,
0, 0, 0, 71, 72, 0, 73, 74, 0, 75,
76, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 29, 30, 31, 32, 33, 34, 35, 0, 0,
0, 0, 0, 113, 0, 0, 113, 113, 0, 113,
};
}
static short yycheck[];
static { yycheck(); }
static void yycheck() {
yycheck = new short[] { 40,
0, 40, 41, 70, 40, 0, 40, 0, 41, 0,
41, 62, 0, 41, 0, 0, 40, 98, 0, 41,
0, 60, 0, 41, 44, 80, 132, 0, 274, 19,
42, 43, 258, 258, 62, 278, 46, 279, 13, 290,
40, 41, 272, 273, 62, 291, 41, 40, 41, 300,
41, 63, 280, 41, 0, 281, 281, 46, 289, 296,
50, 36, 117, 144, 145, 146, 297, 298, 299, 300,
257, 138, 178, 124, 282, 283, 284, 285, 286, 287,
288, 136, 41, 93, 123, 44, 0, 41, 41, 41,
44, 44, 44, 124, 40, 41, 124, 41, 36, 261,
44, 261, 40, 41, 261, 125, 124, 46, 46, 293,
294, 295, 53, 54, 60, 26, 27, 261, 0, 62,
63, 261, 59, 275, 62, 40, 40, 41, 300, 36,
300, 46, 300, 40, 41, 59, 292, 258, 260, 46,
123, 40, 40, 40, 40, 94, 60, 0, 125, 44,
0, 268, 45, 91, 268, 62, 94, 268, 40, 41,
125, 36, 0, 125, 6, 40, 15, 77, 52, 143,
126, 46, -1, 149, -1, 154, -1, 123, 60, 151,
-1, -1, -1, -1, 91, -1, 124, 94, -1, -1,
40, 41, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, 123,
60, -1, -1, -1, -1, -1, 91, 124, 257, 94,
259, 257, -1, 46, 257, 264, 265, 268, 267, 268,
271, 270, 271, 40, 268, 257, 277, 271, 274, 275,
276, 123, -1, 282, 283, 284, 285, 286, 287, 288,
274, 275, 276, 60, 266, 265, -1, 257, 268, 269,
-1, 271, 257, -1, 257, -1, 257, 258, 46, 257,
93, -1, -1, 123, 274, 275, 276, -1, -1, 279,
280, 274, 275, 276, 279, 280, 279, 280, 279, 280,
281, 279, 280, 279, 280, 280, 296, 279, 280, 279,
280, 296, 280, 296, -1, 296, 279, 280, 296, 40,
296, 257, 258, 259, 296, 93, 123, -1, 264, 265,
-1, 267, 268, -1, 270, 271, -1, 265, -1, 60,
268, -1, -1, 271, -1, -1, 282, 283, 284, 285,
286, 287, 288, 257, 46, 259, 261, 262, 263, -1,
264, 265, -1, 267, 268, -1, 270, 271, 265, -1,
-1, 268, -1, -1, 271, -1, -1, -1, 282, 283,
284, 285, 286, 287, 288, 257, -1, 259, -1, -1,
-1, -1, 264, 265, -1, 267, 268, -1, 270, 271,
265, 93, 123, 268, -1, -1, 271, -1, -1, -1,
282, 283, 284, 285, 286, 287, 288, 257, -1, 259,
-1, -1, -1, -1, 264, 265, -1, 267, 268, -1,
270, 271, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, 282, 283, 284, 285, 286, 287, 288, -1,
-1, -1, 265, -1, -1, 268, 269, -1, 271, -1,
257, -1, 259, -1, -1, -1, -1, 264, 265, -1,
267, 268, -1, 270, 271, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, 282, 283, 284, 285, 286,
287, 288, -1, -1, -1, -1, -1, 265, -1, -1,
268, 269, -1, 271, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, 259, -1,
-1, -1, -1, 264, 265, -1, 267, 268, -1, 270,
271, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 282, 283, 284, 285, 286, 287, 288, -1, -1,
-1, -1, -1, 265, -1, -1, 268, 269, -1, 271,
};
}
final static short YYFINAL=2;
final static short YYMAXTOKEN=300;
final static String yyname[] = {
"end-of-file",null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,"'$'",null,null,null,"'('","')'","'*'","'+'",
"','","'-'","'.'",null,null,null,null,null,null,null,null,null,null,null,null,
"';'","'<'",null,"'>'","'?'",null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,"'['",null,"']'","'^'",null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,"'{'","'|'","'}'",null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,"OP_OR","OP_AND","OP_NOT","OP_MS",
"OP_EQUAL","OP_APPEND","OP_COMPARE","KEYW_ANY","KEYW_PEERAS","ASPATH_POSTFIX",
"TKN_FLTRNAME","TKN_ASNO","TKN_ASRANGE","TKN_RSNAME","TKN_ASNAME","TKN_PRFXV4",
"TKN_PRFXV4RNG","TKN_IPV4","TKN_DNS","TKN_RTRSNAME","TKN_PRNGNAME","KEYW_TO",
"KEYW_ACTION","KEYW_NETWORKS","KEYW_EXCEPT","TKN_PREF","TKN_MED","TKN_DPA",
"TKN_ASPATH","TKN_COMMUNITY","TKN_NEXT_HOP","TKN_COST","TKN_COMM_NO",
"KEYW_IGP_COST","KEYW_SELF","KEYW_PREPEND","KEYW_APPEND","KEYW_DELETE",
"KEYW_CONTAINS","KEYW_AT","KEYW_INTERNET","KEYW_NO_EXPORT","KEYW_NO_ADVERTISE",
"TKN_INT",
};
final static String yyrule[] = {
"$accept : default_rule",
"default_rule : KEYW_TO peering opt_action opt_default_filter",
"peering : as_expr opt_router_expr opt_router_expr_with_at",
"peering : TKN_PRNGNAME",
"opt_action :",
"opt_action : KEYW_ACTION action",
"opt_default_filter :",
"opt_default_filter : KEYW_NETWORKS filter",
"as_expr : as_expr OP_OR as_expr_term",
"as_expr : as_expr_term",
"as_expr_term : as_expr_term OP_AND as_expr_factor",
"as_expr_term : as_expr_term KEYW_EXCEPT as_expr_factor",
"as_expr_term : as_expr_factor",
"as_expr_factor : '(' as_expr ')'",
"as_expr_factor : as_expr_operand",
"as_expr_operand : TKN_ASNO",
"as_expr_operand : TKN_ASNAME",
"opt_router_expr :",
"opt_router_expr : router_expr",
"opt_router_expr_with_at :",
"opt_router_expr_with_at : KEYW_AT router_expr",
"router_expr : router_expr OP_OR router_expr_term",
"router_expr : router_expr_term",
"router_expr_term : router_expr_term OP_AND router_expr_factor",
"router_expr_term : router_expr_term KEYW_EXCEPT router_expr_factor",
"router_expr_term : router_expr_factor",
"router_expr_factor : '(' router_expr ')'",
"router_expr_factor : router_expr_operand",
"router_expr_operand : TKN_IPV4",
"router_expr_operand : domain_name",
"router_expr_operand : TKN_RTRSNAME",
"domain_name : TKN_DNS",
"domain_name : domain_name '.' TKN_DNS",
"action : rp_attribute ';'",
"action : action rp_attribute ';'",
"rp_attribute : pref",
"rp_attribute : med",
"rp_attribute : dpa",
"rp_attribute : aspath",
"rp_attribute : community",
"rp_attribute : next_hop",
"rp_attribute : cost",
"pref : TKN_PREF OP_EQUAL TKN_INT",
"med : TKN_MED OP_EQUAL TKN_INT",
"med : TKN_MED OP_EQUAL KEYW_IGP_COST",
"dpa : TKN_DPA OP_EQUAL TKN_INT",
"aspath : TKN_ASPATH '.' KEYW_PREPEND '(' asno_list ')'",
"asno_list : TKN_ASNO",
"asno_list : asno_list ',' TKN_ASNO",
"community : TKN_COMMUNITY OP_EQUAL community_list",
"community : TKN_COMMUNITY OP_APPEND community_list",
"community : TKN_COMMUNITY '.' KEYW_APPEND '(' community_elm_list ')'",
"community : TKN_COMMUNITY '.' KEYW_DELETE '(' community_elm_list ')'",
"community : TKN_COMMUNITY '.' KEYW_CONTAINS '(' community_elm_list ')'",
"community : TKN_COMMUNITY '(' community_elm_list ')'",
"community : TKN_COMMUNITY OP_COMPARE community_list",
"community_list : '{' community_elm_list '}'",
"community_elm_list : community_elm",
"community_elm_list : community_elm_list ',' community_elm",
"community_elm : KEYW_INTERNET",
"community_elm : KEYW_NO_EXPORT",
"community_elm : KEYW_NO_ADVERTISE",
"community_elm : TKN_INT",
"community_elm : TKN_COMM_NO",
"next_hop : TKN_NEXT_HOP OP_EQUAL TKN_IPV4",
"next_hop : TKN_NEXT_HOP OP_EQUAL KEYW_SELF",
"cost : TKN_COST OP_EQUAL TKN_INT",
"filter : filter OP_OR filter_term",
"filter : filter filter_term",
"filter : filter_term",
"filter_term : filter_term OP_AND filter_factor",
"filter_term : filter_factor",
"filter_factor : OP_NOT filter_factor",
"filter_factor : '(' filter ')'",
"filter_factor : filter_operand",
"filter_operand : KEYW_ANY",
"filter_operand : '<' filter_aspath '>'",
"filter_operand : rp_attribute",
"filter_operand : TKN_FLTRNAME",
"filter_operand : filter_prefix",
"filter_prefix : filter_prefix_operand OP_MS",
"filter_prefix : filter_prefix_operand",
"filter_prefix_operand : TKN_ASNO",
"filter_prefix_operand : KEYW_PEERAS",
"filter_prefix_operand : TKN_ASNAME",
"filter_prefix_operand : TKN_RSNAME",
"filter_prefix_operand : '{' opt_filter_prefix_list '}'",
"opt_filter_prefix_list :",
"opt_filter_prefix_list : filter_prefix_list",
"filter_prefix_list : filter_prefix_list_prefix",
"filter_prefix_list : filter_prefix_list ',' filter_prefix_list_prefix",
"filter_prefix_list_prefix : TKN_PRFXV4",
"filter_prefix_list_prefix : TKN_PRFXV4RNG",
"filter_aspath : filter_aspath '|' filter_aspath_term",
"filter_aspath : filter_aspath_term",
"filter_aspath_term : filter_aspath_term filter_aspath_closure",
"filter_aspath_term : filter_aspath_closure",
"filter_aspath_closure : filter_aspath_closure '*'",
"filter_aspath_closure : filter_aspath_closure '?'",
"filter_aspath_closure : filter_aspath_closure '+'",
"filter_aspath_closure : filter_aspath_closure ASPATH_POSTFIX",
"filter_aspath_closure : filter_aspath_factor",
"filter_aspath_factor : '^'",
"filter_aspath_factor : '$'",
"filter_aspath_factor : '(' filter_aspath ')'",
"filter_aspath_factor : filter_aspath_no",
"filter_aspath_no : TKN_ASNO",
"filter_aspath_no : KEYW_PEERAS",
"filter_aspath_no : TKN_ASNAME",
"filter_aspath_no : '.'",
"filter_aspath_no : '[' filter_aspath_range ']'",
"filter_aspath_no : '[' '^' filter_aspath_range ']'",
"filter_aspath_range :",
"filter_aspath_range : filter_aspath_range TKN_ASNO",
"filter_aspath_range : filter_aspath_range KEYW_PEERAS",
"filter_aspath_range : filter_aspath_range '.'",
"filter_aspath_range : filter_aspath_range TKN_ASNO '-' TKN_ASNO",
"filter_aspath_range : filter_aspath_range TKN_ASRANGE",
"filter_aspath_range : filter_aspath_range TKN_ASNAME",
};
//#line 257 "src/main/parser/byacc/default.y"
protected final Logger LOGGER = LoggerFactory.getLogger(DefaultParser.class);
private DefaultLexer lexer;
private int yylex () {
int yyl_return = -1;
try {
yyl_return = lexer.yylex();
}
catch (IOException e) {
LOGGER.error(e.getMessage(), e);
}
return yyl_return;
}
public void yyerror (final String error) {
String errorMessage = (yylval.sval == null ? error : yylval.sval);
ParserHelper.parserError(errorMessage);
}
@Override
public Void parse(final String attributeValue) {
lexer = new DefaultLexer(new StringReader(attributeValue), this);
final int result = yyparse();
if (result > 0) {
throw new IllegalArgumentException("Unexpected parse result: " + result);
}
return null;
}
//#line 565 "DefaultParser.java"
//###############################################################
// method: yylexdebug : check lexer state
//###############################################################
void yylexdebug(int state,int ch)
{
String s=null;
if (ch < 0) ch=0;
if (ch <= YYMAXTOKEN) //check index bounds
s = yyname[ch]; //now get it
if (s==null)
s = "illegal-symbol";
debug("state "+state+", reading "+ch+" ("+s+")");
}
//The following are now global, to aid in error reporting
int yyn; //next next thing to do
int yym; //
int yystate; //current parsing state from state table
String yys; //current token string
//###############################################################
// method: yyparse : parse input and execute indicated items
//###############################################################
int yyparse()
{
boolean doaction;
init_stacks();
yynerrs = 0;
yyerrflag = 0;
yychar = -1; //impossible char forces a read
yystate=0; //initial state
state_push(yystate); //save it
val_push(yylval); //save empty value
while (true) //until parsing is done, either correctly, or w/error
{
doaction=true;
//if (yydebug) debug("loop");
//#### NEXT ACTION (from reduction table)
for (yyn=yydefred[yystate];yyn==0;yyn=yydefred[yystate])
{
//if (yydebug) debug("yyn:"+yyn+" state:"+yystate+" yychar:"+yychar);
if (yychar < 0) //we want a char?
{
yychar = yylex(); //get next token
//if (yydebug) debug(" next yychar:"+yychar);
//#### ERROR CHECK ####
if (yychar < 0) //it it didn't work/error
{
yychar = 0; //change it to default string (no -1!)
//if (yydebug)
// yylexdebug(yystate,yychar);
}
}//yychar<0
yyn = yysindex[yystate]; //get amount to shift by (shift index)
if ((yyn != 0) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
//if (yydebug)
//debug("state "+yystate+", shifting to state "+yytable[yyn]);
//#### NEXT STATE ####
yystate = yytable[yyn];//we are in a new state
state_push(yystate); //save it
val_push(yylval); //push our lval as the input for next rule
yychar = -1; //since we have 'eaten' a token, say we need another
if (yyerrflag > 0) //have we recovered an error?
--yyerrflag; //give ourselves credit
doaction=false; //but don't process yet
break; //quit the yyn=0 loop
}
yyn = yyrindex[yystate]; //reduce
if ((yyn !=0 ) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{ //we reduced!
//if (yydebug) debug("reduce");
yyn = yytable[yyn];
doaction=true; //get ready to execute
break; //drop down to actions
}
else //ERROR RECOVERY
{
if (yyerrflag==0)
{
yyerror("syntax error");
yynerrs++;
}
if (yyerrflag < 3) //low error count?
{
yyerrflag = 3;
while (true) //do until break
{
if (stateptr<0) //check for under & overflow here
{
yyerror("stack underflow. aborting..."); //note lower case 's'
return 1;
}
yyn = yysindex[state_peek(0)];
if ((yyn != 0) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
{
//if (yydebug)
//debug("state "+state_peek(0)+", error recovery shifting to state "+yytable[yyn]+" ");
yystate = yytable[yyn];
state_push(yystate);
val_push(yylval);
doaction=false;
break;
}
else
{
//if (yydebug)
//debug("error recovery discarding state "+state_peek(0)+" ");
if (stateptr<0) //check for under & overflow here
{
yyerror("Stack underflow. aborting..."); //capital 'S'
return 1;
}
state_pop();
val_pop();
}
}
}
else //discard this token
{
if (yychar == 0)
return 1; //yyabort
//if (yydebug)
//{
//yys = null;
//if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
//if (yys == null) yys = "illegal-symbol";
//debug("state "+yystate+", error recovery discards token "+yychar+" ("+yys+")");
//}
yychar = -1; //read another
}
}//end error recovery
}//yyn=0 loop
if (!doaction) //any reason not to proceed?
continue; //skip action
yym = yylen[yyn]; //get count of terminals on rhs
//if (yydebug)
//debug("state "+yystate+", reducing "+yym+" by rule "+yyn+" ("+yyrule[yyn]+")");
if (yym>0) //if count of rhs not 'nil'
yyval = val_peek(yym-1); //get current semantic value
yyval = dup_yyval(yyval); //duplicate yyval if ParserVal is used as semantic value
switch(yyn)
{
//########## USER-SUPPLIED ACTIONS ##########
case 29:
//#line 94 "src/main/parser/byacc/default.y"
{
ParserHelper.checkStringLength(val_peek(0).sval, 255);
}
break;
case 42:
//#line 117 "src/main/parser/byacc/default.y"
{
ParserHelper.check16bit(val_peek(0).sval);
}
break;
case 43:
//#line 122 "src/main/parser/byacc/default.y"
{
ParserHelper.check16bit(val_peek(0).sval);
}
break;
case 45:
//#line 128 "src/main/parser/byacc/default.y"
{
ParserHelper.check16bit(val_peek(0).sval);
}
break;
case 62:
//#line 159 "src/main/parser/byacc/default.y"
{
ParserHelper.check32bit(val_peek(0).sval);
}
break;
case 66:
//#line 169 "src/main/parser/byacc/default.y"
{
ParserHelper.check16bit(val_peek(0).sval);
}
break;
//#line 750 "DefaultParser.java"
//########## END OF USER-SUPPLIED ACTIONS ##########
}//switch
//#### Now let's reduce... ####
//if (yydebug) debug("reduce");
state_drop(yym); //we just reduced yylen states
yystate = state_peek(0); //get new state
val_drop(yym); //corresponding value drop
yym = yylhs[yyn]; //select next TERMINAL(on lhs)
if (yystate == 0 && yym == 0)//done? 'rest' state and at first TERMINAL
{
//if (yydebug) debug("After reduction, shifting from state 0 to state "+YYFINAL+"");
yystate = YYFINAL; //explicitly say we're done
state_push(YYFINAL); //and save it
val_push(yyval); //also save the semantic value of parsing
if (yychar < 0) //we want another character?
{
yychar = yylex(); //get next character
if (yychar<0) yychar=0; //clean, if necessary
//if (yydebug)
//yylexdebug(yystate,yychar);
}
if (yychar == 0) //Good exit (if lex returns 0 ;-)
break; //quit the loop--all DONE
}//if yystate
else //else not done yet
{ //get next state and push, for next yydefred[]
yyn = yygindex[yym]; //find out where to go
if ((yyn != 0) && (yyn += yystate) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
yystate = yytable[yyn]; //get new state
else
yystate = yydgoto[yym]; //else go to new defred
//if (yydebug) debug("after reduction, shifting from state "+state_peek(0)+" to state "+yystate+"");
state_push(yystate); //going again, so push state & val...
val_push(yyval); //for next action
}
}//main loop
return 0;//yyaccept!!
}
//## end of method parse() ######################################
//## run() --- for Thread #######################################
//## The -Jnorun option was used ##
//## end of method run() ########################################
//## Constructors ###############################################
//## The -Jnoconstruct option was used ##
//###############################################################
}
//################### END OF CLASS ##############################
