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net.ripe.db.whois.common.generated.ComponentsParser 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/components.y"
import net.ripe.db.whois.common.rpsl.ParserHelper;
import net.ripe.db.whois.common.rpsl.AttributeParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.StringReader;
/*
filename: components.y
description:
Defines the grammar for an RPSL component 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, components.l.
*/
//#line 37 "ComponentsParser.java"
public class ComponentsParser
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;
}
ComponentsParserVal val_pop()
{
if (valptr<0)
return new ComponentsParserVal();
return valstk[valptr--];
}
void val_drop(int cnt)
{
int ptr;
ptr=valptr-cnt;
if (ptr<0)
return;
valptr = ptr;
}
ComponentsParserVal val_peek(int relative)
{
int ptr;
ptr=valptr-relative;
if (ptr<0)
return new ComponentsParserVal();
return valstk[ptr];
}
final ComponentsParserVal dup_yyval(ComponentsParserVal val)
{
ComponentsParserVal dup = new ComponentsParserVal();
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 KEYW_ATOMIC=274;
public final static short KEYW_PROTOCOL=275;
public final static short TKN_PROTOCOL=276;
public final static short KEYW_IGP_COST=277;
public final static short KEYW_SELF=278;
public final static short KEYW_PREPEND=279;
public final static short KEYW_APPEND=280;
public final static short KEYW_DELETE=281;
public final static short KEYW_CONTAINS=282;
public final static short KEYW_INTERNET=283;
public final static short KEYW_NO_EXPORT=284;
public final static short KEYW_NO_ADVERTISE=285;
public final static short TKN_PREF=286;
public final static short TKN_MED=287;
public final static short TKN_DPA=288;
public final static short TKN_ASPATH=289;
public final static short TKN_COMMUNITY=290;
public final static short TKN_NEXT_HOP=291;
public final static short TKN_COST=292;
public final static short TKN_COMM_NO=293;
public final static short TKN_IPV4=294;
public final static short TKN_INT=295;
public final static short YYERRCODE=256;
final static short yylhs[] = { -1,
0, 1, 1, 2, 2, 2, 3, 3, 3, 4,
4, 5, 5, 5, 6, 6, 6, 6, 6, 9,
9, 10, 10, 10, 10, 10, 11, 11, 12, 12,
13, 13, 7, 7, 14, 14, 15, 15, 15, 15,
15, 16, 16, 16, 16, 17, 17, 17, 17, 17,
17, 18, 18, 18, 18, 18, 18, 18, 8, 8,
8, 8, 8, 8, 8, 19, 20, 20, 21, 22,
26, 26, 23, 23, 23, 23, 23, 23, 23, 27,
28, 28, 29, 29, 29, 29, 29, 24, 24, 25,
};
final static short yylen[] = { 2,
2, 0, 1, 0, 1, 4, 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, 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,
};
final static short yydefred[] = { 0,
3, 0, 0, 0, 15, 23, 18, 22, 25, 24,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 11, 14, 17, 19, 0, 59, 60,
61, 62, 63, 64, 65, 12, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 47, 46,
48, 0, 42, 43, 49, 0, 0, 0, 0, 41,
45, 31, 32, 0, 0, 29, 0, 0, 0, 0,
20, 66, 68, 67, 69, 0, 0, 73, 74, 79,
83, 84, 85, 87, 86, 0, 81, 0, 0, 0,
89, 88, 90, 13, 0, 52, 0, 16, 0, 0,
40, 37, 38, 39, 26, 0, 0, 0, 10, 0,
0, 78, 0, 0, 0, 0, 44, 0, 54, 0,
57, 58, 55, 50, 0, 30, 0, 71, 0, 80,
82, 0, 0, 0, 51, 0, 70, 0, 75, 76,
77, 56, 72,
};
final static short yydgoto[] = { 2,
3, 21, 22, 23, 24, 25, 57, 26, 27, 28,
64, 65, 66, 58, 59, 60, 61, 97, 29, 30,
31, 32, 33, 34, 35, 129, 78, 86, 87,
};
final static short yysindex[] = { -253,
0, 0, 193, 193, 0, 0, 0, 0, 0, 0,
-223, -203, -191, 26, -6, -185, -182, 193, -27, -227,
-195, -40, -177, 0, 0, 0, 0, -176, 0, 0,
0, 0, 0, 0, 0, 0, -210, -252, -207, -180,
-18, -18, -18, -236, -230, -250, -201, 180, 0, 0,
0, -27, 0, 0, 0, 6, -31, -27, -37, 0,
0, 0, 0, -19, 58, 0, -169, 193, -177, 193,
0, 0, 0, 0, 0, 70, -236, 0, 0, 0,
0, 0, 0, 0, 0, -14, 0, 71, 72, 76,
0, 0, 0, 0, -26, 0, 50, 0, -27, -37,
0, 0, 0, 0, 0, -227, 193, -177, 0, -151,
-21, 0, -236, -236, -236, -236, 0, 81, 0, 74,
0, 0, 0, 0, -27, 0, -40, 0, -9, 0,
0, 19, 25, 27, 0, -150, 0, -148, 0, 0,
0, 0, 0,
};
final static short yyrindex[] = { 144,
0, 0, 2, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, -3,
121, 3, 37, 0, 0, 0, 0, 1, 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, 86, 0, -33, -29, 0,
0, 0, 0, 0, -2, 0, 0, 0, 73, 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, 46,
0, 0, 0, 0, 0, 0, 0, 109, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 117,
0, 0, 0, 0, -23, 0, 4, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0,
};
final static short yygindex[] = { 0,
0, 0, -4, -12, 20, 0, 77, 0, 0, 0,
0, 0, 22, 31, -36, 0, 0, 29, 0, 0,
0, 0, 0, 0, 0, 0, 32, -61, 13,
};
final static int YYTABLESIZE=485;
static short yytable[];
static { yytable();}
static void yytable(){
yytable = new short[]{ 18,
21, 4, 5, 6, 102, 104, 36, 34, 54, 69,
36, 36, 52, 48, 117, 111, 36, 33, 55, 19,
1, 100, 113, 36, 73, 103, 112, 91, 34, 113,
98, 137, 36, 44, 138, 69, 9, 37, 33, 45,
21, 21, 74, 92, 62, 63, 81, 82, 83, 88,
89, 90, 132, 133, 134, 108, 84, 38, 85, 139,
21, 36, 113, 56, 36, 140, 53, 141, 113, 39,
113, 40, 8, 79, 80, 46, 9, 9, 47, 67,
70, 35, 20, 71, 72, 35, 35, 75, 100, 109,
34, 35, 99, 93, 36, 123, 9, 99, 76, 96,
33, 106, 127, 130, 77, 105, 107, 35, 7, 110,
114, 115, 8, 8, 69, 116, 128, 142, 136, 143,
1, 27, 28, 21, 118, 131, 123, 126, 95, 125,
0, 52, 8, 0, 0, 0, 35, 0, 0, 35,
0, 0, 124, 2, 0, 0, 0, 0, 7, 7,
0, 0, 0, 0, 0, 0, 0, 0, 0, 9,
0, 0, 53, 0, 0, 0, 0, 0, 7, 35,
0, 0, 0, 135, 0, 0, 0, 0, 52, 0,
0, 0, 0, 2, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 8, 0, 0, 0, 0,
0, 0, 0, 2, 0, 0, 0, 0, 0, 53,
0, 0, 0, 0, 0, 0, 68, 0, 4, 18,
94, 0, 0, 5, 6, 0, 7, 8, 101, 9,
10, 7, 18, 0, 0, 36, 0, 49, 36, 19,
50, 36, 0, 51, 0, 11, 12, 13, 14, 15,
16, 17, 19, 0, 41, 42, 43, 21, 21, 21,
0, 0, 0, 0, 21, 21, 2, 21, 21, 0,
21, 21, 0, 0, 0, 21, 4, 5, 6, 0,
0, 0, 0, 0, 0, 0, 21, 21, 21, 21,
21, 21, 21, 9, 0, 9, 0, 0, 0, 0,
9, 9, 20, 9, 9, 0, 9, 9, 0, 0,
35, 9, 0, 35, 119, 20, 35, 120, 121, 0,
122, 0, 9, 9, 9, 9, 9, 9, 9, 8,
0, 8, 0, 0, 0, 0, 8, 8, 0, 8,
8, 0, 8, 8, 0, 119, 0, 8, 120, 121,
52, 122, 0, 52, 52, 0, 52, 0, 8, 8,
8, 8, 8, 8, 8, 7, 0, 7, 0, 0,
0, 0, 7, 7, 0, 7, 7, 0, 7, 7,
0, 53, 0, 7, 53, 53, 0, 53, 0, 0,
0, 0, 0, 0, 7, 7, 7, 7, 7, 7,
7, 0, 2, 0, 0, 0, 0, 2, 2, 0,
2, 2, 0, 2, 2, 0, 0, 0, 2, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 2,
2, 2, 2, 2, 2, 2, 68, 0, 4, 0,
0, 0, 0, 5, 6, 0, 7, 8, 0, 9,
10, 4, 0, 0, 0, 0, 5, 6, 0, 7,
8, 0, 9, 10, 0, 11, 12, 13, 14, 15,
16, 17, 0, 0, 0, 0, 0, 0, 11, 12,
13, 14, 15, 16, 17,
};
}
static short yycheck[];
static { yycheck(); }
static void yycheck() {
yycheck = new short[] { 40,
0, 0, 0, 0, 42, 43, 36, 41, 36, 22,
40, 41, 40, 18, 41, 77, 46, 41, 46, 60,
274, 58, 44, 4, 277, 63, 41, 278, 62, 44,
62, 41, 62, 40, 44, 48, 0, 261, 62, 46,
40, 41, 295, 294, 272, 273, 283, 284, 285, 280,
281, 282, 114, 115, 116, 68, 293, 261, 295, 41,
60, 91, 44, 91, 94, 41, 94, 41, 44, 261,
44, 46, 0, 42, 43, 261, 40, 41, 261, 275,
258, 36, 123, 260, 295, 40, 41, 295, 125, 70,
124, 46, 124, 295, 124, 46, 60, 124, 279, 94,
124, 44, 107, 125, 123, 125, 276, 62, 0, 40,
40, 40, 40, 41, 127, 40, 268, 268, 45, 268,
0, 125, 125, 123, 96, 113, 46, 106, 52, 99,
-1, 46, 60, -1, -1, -1, 91, -1, -1, 94,
-1, -1, 93, 0, -1, -1, -1, -1, 40, 41,
-1, -1, -1, -1, -1, -1, -1, -1, -1, 123,
-1, -1, 46, -1, -1, -1, -1, -1, 60, 124,
-1, -1, -1, 93, -1, -1, -1, -1, 93, -1,
-1, -1, -1, 40, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, 123, -1, -1, -1, -1,
-1, -1, -1, 60, -1, -1, -1, -1, -1, 93,
-1, -1, -1, -1, -1, -1, 257, -1, 259, 40,
41, -1, -1, 264, 265, -1, 267, 268, 266, 270,
271, 123, 40, -1, -1, 265, -1, 265, 268, 60,
268, 271, -1, 271, -1, 286, 287, 288, 289, 290,
291, 292, 60, -1, 261, 262, 263, 257, 258, 259,
-1, -1, -1, -1, 264, 265, 123, 267, 268, -1,
270, 271, -1, -1, -1, 275, 275, 275, 275, -1,
-1, -1, -1, -1, -1, -1, 286, 287, 288, 289,
290, 291, 292, 257, -1, 259, -1, -1, -1, -1,
264, 265, 123, 267, 268, -1, 270, 271, -1, -1,
265, 275, -1, 268, 265, 123, 271, 268, 269, -1,
271, -1, 286, 287, 288, 289, 290, 291, 292, 257,
-1, 259, -1, -1, -1, -1, 264, 265, -1, 267,
268, -1, 270, 271, -1, 265, -1, 275, 268, 269,
265, 271, -1, 268, 269, -1, 271, -1, 286, 287,
288, 289, 290, 291, 292, 257, -1, 259, -1, -1,
-1, -1, 264, 265, -1, 267, 268, -1, 270, 271,
-1, 265, -1, 275, 268, 269, -1, 271, -1, -1,
-1, -1, -1, -1, 286, 287, 288, 289, 290, 291,
292, -1, 259, -1, -1, -1, -1, 264, 265, -1,
267, 268, -1, 270, 271, -1, -1, -1, 275, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, 286,
287, 288, 289, 290, 291, 292, 257, -1, 259, -1,
-1, -1, -1, 264, 265, -1, 267, 268, -1, 270,
271, 259, -1, -1, -1, -1, 264, 265, -1, 267,
268, -1, 270, 271, -1, 286, 287, 288, 289, 290,
291, 292, -1, -1, -1, -1, -1, -1, 286, 287,
288, 289, 290, 291, 292,
};
}
final static short YYFINAL=2;
final static short YYMAXTOKEN=295;
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,"'$'",null,null,null,"'('","')'","'*'","'+'",
"','","'-'","'.'",null,null,null,null,null,null,null,null,null,null,null,null,
null,"'<'",null,"'>'","'?'",null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,"'['",null,"']'","'^'",null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,"'{'","'|'","'}'",null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,
null,null,null,null,null,null,null,null,null,"OP_OR","OP_AND","OP_NOT","OP_MS",
"OP_EQUAL","OP_APPEND","OP_COMPARE","KEYW_ANY","KEYW_PEERAS","ASPATH_POSTFIX",
"TKN_FLTRNAME","TKN_ASNO","TKN_ASRANGE","TKN_RSNAME","TKN_ASNAME","TKN_PRFXV4",
"TKN_PRFXV4RNG","KEYW_ATOMIC","KEYW_PROTOCOL","TKN_PROTOCOL","KEYW_IGP_COST",
"KEYW_SELF","KEYW_PREPEND","KEYW_APPEND","KEYW_DELETE","KEYW_CONTAINS",
"KEYW_INTERNET","KEYW_NO_EXPORT","KEYW_NO_ADVERTISE","TKN_PREF","TKN_MED",
"TKN_DPA","TKN_ASPATH","TKN_COMMUNITY","TKN_NEXT_HOP","TKN_COST","TKN_COMM_NO",
"TKN_IPV4","TKN_INT",
};
final static String yyrule[] = {
"$accept : components",
"components : opt_atomic components_list",
"opt_atomic :",
"opt_atomic : KEYW_ATOMIC",
"components_list :",
"components_list : filter",
"components_list : components_list KEYW_PROTOCOL TKN_PROTOCOL filter",
"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",
"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",
};
//#line 203 "src/main/parser/byacc/components.y"
protected final Logger LOGGER = LoggerFactory.getLogger(ComponentsParser.class);
private ComponentsLexer 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 ComponentsLexer(new StringReader(attributeValue), this);
final int result = yyparse();
if (result > 0) {
throw new IllegalArgumentException("Unexpected parse result: " + result);
}
return null;
}
//#line 494 "ComponentsParser.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 66:
//#line 145 "src/main/parser/byacc/components.y"
{
ParserHelper.check16bit(val_peek(0).sval);
}
break;
case 67:
//#line 150 "src/main/parser/byacc/components.y"
{
ParserHelper.check16bit(val_peek(0).sval);
}
break;
case 69:
//#line 156 "src/main/parser/byacc/components.y"
{
ParserHelper.check16bit(val_peek(0).sval);
}
break;
case 86:
//#line 187 "src/main/parser/byacc/components.y"
{
ParserHelper.check32bit(val_peek(0).sval);
}
break;
case 90:
//#line 197 "src/main/parser/byacc/components.y"
{
ParserHelper.check16bit(val_peek(0).sval);
}
break;
//#line 673 "ComponentsParser.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 ##############################
