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com.yahoo.searchlib.treenet.parser.TreeNetParser Maven / Gradle / Ivy
/* TreeNetParser.java */
/* Generated by: ParserGeneratorCC: Do not edit this line. TreeNetParser.java */
package com.yahoo.searchlib.treenet.parser;
import com.yahoo.searchlib.rankingexpression.parser.RankingExpressionParser;
import com.yahoo.searchlib.treenet.rule.*;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class TreeNetParser implements TreeNetParserConstants {
void verifyCategoricalVar(String expected, String actual) throws ParseException {
if (!expected.equals(actual)) {
throw new ParseException("Expected variable '" + expected + "', got '" + actual + "'.");
}
}
ComparisonCondition resolveCategoricalCondition(String var, Integer valA, Integer valB, String lblA, String lblB) {
if (valA < valB)
return new ComparisonCondition(var, valA + (valB - valA) / 2.0, lblA, lblB);
else
return new ComparisonCondition(var, valB + (valA - valB) / 2.0, lblB, lblA);
}
final public TreeNet treeNet() throws ParseException {String begin, label;
Tree tree;
Map trees = new HashMap();
label_1:
while (true) {
switch (jj_nt.kind) {
case INTEGER:
case FLOAT:
case STRING:
case COMMA:
case SEMICOLON:
case EQ:
case NL:
case LBRACE:
case RBRACE:
case LCURLY:
case RCURLY:
case RETURN:
case IDENTIFIER:{
break;
}
default:
jj_la1[0] = jj_gen;
break label_1;
}
ignoredCpp();
}
jj_consume_token(BEGIN);
jj_consume_token(COLON);
nl();
jj_consume_token(LINK);
jj_consume_token(IDENTIFIER);
begin = token.image;
eol();
jj_consume_token(PRED);
jj_consume_token(EQ);
jj_consume_token(TNSCORE);
eol();
jj_consume_token(RETURN);
eol();
label_2:
while (true) {
switch (jj_nt.kind) {
case TNSCORE:
case IDENTIFIER:{
break;
}
default:
jj_la1[1] = jj_gen;
break label_2;
}
tree = tree();
trees.put(tree.getName(), tree);
}
jj_consume_token(RETURN);
jj_consume_token(SEMICOLON);
label_3:
while (true) {
switch (jj_nt.kind) {
case INTEGER:
case FLOAT:
case STRING:
case COMMA:
case SEMICOLON:
case EQ:
case NL:
case LBRACE:
case RBRACE:
case LCURLY:
case RCURLY:
case RETURN:
case IDENTIFIER:{
break;
}
default:
jj_la1[2] = jj_gen;
break label_3;
}
ignoredCpp();
}
jj_consume_token(0);
{if ("" != null) return new TreeNet(begin, trees);}
throw new IllegalStateException ("Missing return statement in function");
}
/** C++ code outside the model which we can ignore */
final public void ignoredCpp() throws ParseException {
switch (jj_nt.kind) {
case RETURN:{
jj_consume_token(RETURN);
break;
}
case IDENTIFIER:{
jj_consume_token(IDENTIFIER);
break;
}
case FLOAT:{
jj_consume_token(FLOAT);
break;
}
case INTEGER:{
jj_consume_token(INTEGER);
break;
}
case STRING:{
jj_consume_token(STRING);
break;
}
case EQ:{
jj_consume_token(EQ);
break;
}
case COMMA:{
jj_consume_token(COMMA);
break;
}
case LBRACE:{
jj_consume_token(LBRACE);
break;
}
case RBRACE:{
jj_consume_token(RBRACE);
break;
}
case LCURLY:{
jj_consume_token(LCURLY);
break;
}
case RCURLY:{
jj_consume_token(RCURLY);
break;
}
case SEMICOLON:{
jj_consume_token(SEMICOLON);
break;
}
case NL:{
jj_consume_token(NL);
break;
}
default:
jj_la1[3] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final public Tree tree() throws ParseException {String name;
String begin = null, label;
Double value = null;
TreeNode node;
Map nodes = new HashMap();
switch (jj_nt.kind) {
case TNSCORE:{
value = tnScore();
name = label();
break;
}
case IDENTIFIER:{
name = label();
value = tnScore();
break;
}
default:
jj_la1[4] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
label_4:
while (true) {
if (jj_2_1(2147483647)) {
} else {
break label_4;
}
label = label();
if (begin == null) { begin = label; }
switch (jj_nt.kind) {
case IF:{
node = condition();
nodes.put(label, node);
break;
}
case RESPONSE:{
node = response();
nodes.put(label, node);
break;
}
default:
jj_la1[5] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
{if ("" != null) return new Tree(name, value, begin, nodes);}
throw new IllegalStateException ("Missing return statement in function");
}
final public Double tnScore() throws ParseException {Double value = null;
jj_consume_token(TNSCORE);
jj_consume_token(EQ);
switch (jj_nt.kind) {
case INTEGER:
case FLOAT:{
value = floatVal();
break;
}
case TNSCORE:{
jj_consume_token(TNSCORE);
jj_consume_token(ADD);
jj_consume_token(RESPONSE);
break;
}
default:
jj_la1[6] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
eol();
{if ("" != null) return value;}
throw new IllegalStateException ("Missing return statement in function");
}
final public Condition condition() throws ParseException {String var;
Condition ret;
jj_consume_token(IF);
var = feature();
switch (jj_nt.kind) {
case LT:{
ret = continuousCondition(var);
break;
}
default:
jj_la1[7] = jj_gen;
if (jj_2_2(8)) {
ret = singleValueCategoricalCondition(var);
} else {
switch (jj_nt.kind) {
case IN:{
ret = setMembershipCondition(var);
break;
}
default:
jj_la1[8] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
}
{if ("" != null) return ret;}
throw new IllegalStateException ("Missing return statement in function");
}
final public ComparisonCondition continuousCondition(String left) throws ParseException {Double right;
String ift, iff;
jj_consume_token(LT);
right = floatVal();
jj_consume_token(THEN);
ift = jump();
eol();
jj_consume_token(ELSE);
iff = jump();
eol();
{if ("" != null) return new ComparisonCondition(left, right, ift, iff);}
throw new IllegalStateException ("Missing return statement in function");
}
// Handle single-value IN expression as a regular comparison.
// This special case may be removed when IN support is implemented in ranking expressions in both C++ and Java
final public ComparisonCondition singleValueCategoricalCondition(String varA) throws ParseException {Integer valA, valB;
String lblA, lblB, varB;
jj_consume_token(IN);
jj_consume_token(LBRACE);
valA = intVal();
nl();
jj_consume_token(RBRACE);
jj_consume_token(THEN);
lblA = jump();
eol();
jj_consume_token(ELSE);
jj_consume_token(IF);
varB = feature();
verifyCategoricalVar(varA, varB);
jj_consume_token(IN);
jj_consume_token(LBRACE);
valB = intVal();
nl();
jj_consume_token(RBRACE);
jj_consume_token(THEN);
lblB = jump();
eol();
{if ("" != null) return resolveCategoricalCondition(varA, valA, valB, lblA, lblB);}
throw new IllegalStateException ("Missing return statement in function");
}
final public SetMembershipCondition setMembershipCondition(String testValue) throws ParseException {List setValues;
String trueLabel, falseLabel;
jj_consume_token(IN);
jj_consume_token(LBRACE);
setValues = valueList();
jj_consume_token(RBRACE);
jj_consume_token(THEN);
trueLabel = jump();
eol();
jj_consume_token(ELSE);
falseLabel = jump();
eol();
{if ("" != null) return new SetMembershipCondition(testValue, setValues, trueLabel, falseLabel);}
throw new IllegalStateException ("Missing return statement in function");
}
final public Response response() throws ParseException {Double val;
String lbl;
jj_consume_token(RESPONSE);
jj_consume_token(EQ);
val = floatVal();
eol();
lbl = jump();
eol();
{if ("" != null) return new Response(val, lbl);}
throw new IllegalStateException ("Missing return statement in function");
}
final public String feature() throws ParseException {String name;
String arguments = null;
String output = null;
name = identifier();
switch (jj_nt.kind) {
case LBRACE:{
jj_consume_token(LBRACE);
arguments = featureArguments();
jj_consume_token(RBRACE);
break;
}
default:
jj_la1[9] = jj_gen;
;
}
switch (jj_nt.kind) {
case DOT:{
jj_consume_token(DOT);
output = featureOutputs();
break;
}
default:
jj_la1[10] = jj_gen;
;
}
{if ("" != null) return name + (arguments != null ? "(" + arguments + ")" : "") + (output !=null ? "." + output : "");}
throw new IllegalStateException ("Missing return statement in function");
}
final public String featureArguments() throws ParseException {String argument;
StringBuilder arguments = new StringBuilder();
argument = featureArgument();
arguments.append(argument);
label_5:
while (true) {
switch (jj_nt.kind) {
case COMMA:{
break;
}
default:
jj_la1[11] = jj_gen;
break label_5;
}
jj_consume_token(COMMA);
argument = featureArgument();
arguments.append(",").append(argument);
}
{if ("" != null) return arguments.toString();}
throw new IllegalStateException ("Missing return statement in function");
}
final public String featureArgument() throws ParseException {String argument;
switch (jj_nt.kind) {
case STRING:{
argument = string();
break;
}
case INTEGER:
case FLOAT:{
argument = floatImage();
break;
}
case IDENTIFIER:{
argument = feature();
break;
}
default:
jj_la1[12] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{if ("" != null) return argument;}
throw new IllegalStateException ("Missing return statement in function");
}
final public String featureOutputs() throws ParseException {StringBuilder outputs = new StringBuilder();
String output;
output = featureOutput();
outputs.append(output);
label_6:
while (true) {
switch (jj_nt.kind) {
case DOT:{
break;
}
default:
jj_la1[13] = jj_gen;
break label_6;
}
jj_consume_token(DOT);
output = featureOutput();
outputs.append(output);
}
{if ("" != null) return outputs.toString();}
throw new IllegalStateException ("Missing return statement in function");
}
final public String featureOutput() throws ParseException {String name;
switch (jj_nt.kind) {
case INTEGER:{
jj_consume_token(INTEGER);
{if ("" != null) return token.image;}
break;
}
case FLOAT:{
jj_consume_token(FLOAT);
{if ("" != null) return token.image;}
break;
}
case IDENTIFIER:{
name = identifier();
{if ("" != null) return name;}
break;
}
default:
jj_la1[14] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
throw new IllegalStateException ("Missing return statement in function");
}
final public String label() throws ParseException {String ret;
ret = identifier();
jj_consume_token(COLON);
nl();
{if ("" != null) return ret;}
throw new IllegalStateException ("Missing return statement in function");
}
final public void eol() throws ParseException {
jj_consume_token(SEMICOLON);
nl();
}
final public void nl() throws ParseException {
label_7:
while (true) {
jj_consume_token(NL);
switch (jj_nt.kind) {
case NL:{
break;
}
default:
jj_la1[15] = jj_gen;
break label_7;
}
}
}
final public String jump() throws ParseException {
jj_consume_token(GOTO);
jj_consume_token(IDENTIFIER);
{if ("" != null) return token.image;}
throw new IllegalStateException ("Missing return statement in function");
}
final public String identifier() throws ParseException {
jj_consume_token(IDENTIFIER);
{if ("" != null) return token.image;}
throw new IllegalStateException ("Missing return statement in function");
}
final public String spaceSeparatedIdentifiers() throws ParseException {StringBuilder identifiers = new StringBuilder();
String identifier;
identifier = identifier();
identifiers.append(identifier);
label_8:
while (true) {
switch (jj_nt.kind) {
case IDENTIFIER:{
break;
}
default:
jj_la1[16] = jj_gen;
break label_8;
}
identifier = identifier();
identifiers.append(identifier);
}
{if ("" != null) return identifiers.toString();}
throw new IllegalStateException ("Missing return statement in function");
}
final public List valueList() throws ParseException {List values = new ArrayList();
Object value;
value = value();
values.add(value);
label_9:
while (true) {
switch (jj_nt.kind) {
case COMMA:{
break;
}
default:
jj_la1[17] = jj_gen;
break label_9;
}
jj_consume_token(COMMA);
value = value();
values.add(value);
}
{if ("" != null) return values;}
throw new IllegalStateException ("Missing return statement in function");
}
final public Object value() throws ParseException {Object value;
switch (jj_nt.kind) {
case IDENTIFIER:{
value = spaceSeparatedIdentifiers();
break;
}
case INTEGER:{
value = intVal();
break;
}
case STRING:{
value = string();
break;
}
default:
jj_la1[18] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{if ("" != null) return value;}
throw new IllegalStateException ("Missing return statement in function");
}
final public String string() throws ParseException {
jj_consume_token(STRING);
{if ("" != null) return token.image;}
throw new IllegalStateException ("Missing return statement in function");
}
final public Integer intVal() throws ParseException {
jj_consume_token(INTEGER);
{if ("" != null) return Integer.valueOf(token.image);}
throw new IllegalStateException ("Missing return statement in function");
}
final public Double floatVal() throws ParseException {
switch (jj_nt.kind) {
case INTEGER:{
jj_consume_token(INTEGER);
break;
}
case FLOAT:{
jj_consume_token(FLOAT);
break;
}
default:
jj_la1[19] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{if ("" != null) return Double.valueOf(token.image);}
throw new IllegalStateException ("Missing return statement in function");
}
final public String floatImage() throws ParseException {
switch (jj_nt.kind) {
case INTEGER:{
jj_consume_token(INTEGER);
break;
}
case FLOAT:{
jj_consume_token(FLOAT);
break;
}
default:
jj_la1[20] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{if ("" != null) return token.image;}
throw new IllegalStateException ("Missing return statement in function");
}
private boolean jj_2_1(int xla)
{
jj_la = xla;
jj_scanpos = token;
jj_lastpos = token;
try { return (!jj_3_1()); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(0, xla); }
}
private boolean jj_2_2(int xla)
{
jj_la = xla;
jj_scanpos = token;
jj_lastpos = token;
try { return (!jj_3_2()); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(1, xla); }
}
private boolean jj_3R_25()
{
if (jj_scan_token(LBRACE)) return true;
if (jj_3R_29()) return true;
if (jj_scan_token(RBRACE)) return true;
return false;
}
private boolean jj_3R_45()
{
if (jj_3R_18()) return true;
return false;
}
private boolean jj_3R_49()
{
if (jj_3R_14()) return true;
Token xsp;
while (true) {
xsp = jj_scanpos;
if (jj_3R_50()) { jj_scanpos = xsp; break; }
}
return false;
}
private boolean jj_3R_13()
{
if (jj_scan_token(IN)) return true;
if (jj_scan_token(LBRACE)) return true;
if (jj_3R_18()) return true;
if (jj_3R_15()) return true;
if (jj_scan_token(RBRACE)) return true;
if (jj_scan_token(THEN)) return true;
if (jj_3R_19()) return true;
if (jj_3R_24()) return true;
if (jj_scan_token(ELSE)) return true;
if (jj_scan_token(IF)) return true;
if (jj_3R_20()) return true;
if (jj_scan_token(IN)) return true;
if (jj_scan_token(LBRACE)) return true;
if (jj_3R_18()) return true;
if (jj_3R_15()) return true;
if (jj_scan_token(RBRACE)) return true;
if (jj_scan_token(THEN)) return true;
if (jj_3R_19()) return true;
if (jj_3R_24()) return true;
return false;
}
private boolean jj_3R_21()
{
if (jj_3R_27()) return true;
return false;
}
private boolean jj_3_2()
{
if (jj_3R_13()) return true;
return false;
}
private boolean jj_3R_30()
{
if (jj_3R_34()) return true;
Token xsp;
while (true) {
xsp = jj_scanpos;
if (jj_3R_35()) { jj_scanpos = xsp; break; }
}
return false;
}
private boolean jj_3R_22()
{
if (jj_3R_28()) return true;
return false;
}
private boolean jj_3R_50()
{
if (jj_3R_14()) return true;
return false;
}
private boolean jj_3R_35()
{
if (jj_scan_token(DOT)) return true;
if (jj_3R_34()) return true;
return false;
}
private boolean jj_3R_31()
{
if (jj_3R_36()) return true;
Token xsp;
while (true) {
xsp = jj_scanpos;
if (jj_3R_37()) { jj_scanpos = xsp; break; }
}
return false;
}
private boolean jj_3R_34()
{
Token xsp;
xsp = jj_scanpos;
if (jj_3R_41()) {
jj_scanpos = xsp;
if (jj_3R_42()) {
jj_scanpos = xsp;
if (jj_3R_43()) return true;
}
}
return false;
}
private boolean jj_3R_41()
{
if (jj_scan_token(INTEGER)) return true;
return false;
}
private boolean jj_3R_28()
{
if (jj_scan_token(IN)) return true;
if (jj_scan_token(LBRACE)) return true;
if (jj_3R_31()) return true;
if (jj_scan_token(RBRACE)) return true;
if (jj_scan_token(THEN)) return true;
if (jj_3R_19()) return true;
if (jj_3R_24()) return true;
if (jj_scan_token(ELSE)) return true;
if (jj_3R_19()) return true;
if (jj_3R_24()) return true;
return false;
}
private boolean jj_3R_42()
{
if (jj_scan_token(FLOAT)) return true;
return false;
}
private boolean jj_3R_37()
{
if (jj_scan_token(COMMA)) return true;
if (jj_3R_36()) return true;
return false;
}
private boolean jj_3R_43()
{
if (jj_3R_14()) return true;
return false;
}
private boolean jj_3R_39()
{
if (jj_3R_48()) return true;
return false;
}
private boolean jj_3R_46()
{
if (jj_3R_47()) return true;
return false;
}
private boolean jj_3R_36()
{
Token xsp;
xsp = jj_scanpos;
if (jj_3R_44()) {
jj_scanpos = xsp;
if (jj_3R_45()) {
jj_scanpos = xsp;
if (jj_3R_46()) return true;
}
}
return false;
}
private boolean jj_3R_10()
{
if (jj_3R_14()) return true;
if (jj_scan_token(COLON)) return true;
if (jj_3R_15()) return true;
return false;
}
private boolean jj_3R_44()
{
if (jj_3R_49()) return true;
return false;
}
private boolean jj_3R_17()
{
if (jj_scan_token(RESPONSE)) return true;
if (jj_scan_token(EQ)) return true;
if (jj_3R_23()) return true;
if (jj_3R_24()) return true;
if (jj_3R_19()) return true;
if (jj_3R_24()) return true;
return false;
}
private boolean jj_3R_47()
{
if (jj_scan_token(STRING)) return true;
return false;
}
private boolean jj_3R_24()
{
if (jj_scan_token(SEMICOLON)) return true;
if (jj_3R_15()) return true;
return false;
}
private boolean jj_3_1()
{
if (jj_3R_10()) return true;
Token xsp;
xsp = jj_scanpos;
if (jj_3R_11()) {
jj_scanpos = xsp;
if (jj_3R_12()) return true;
}
return false;
}
private boolean jj_3R_18()
{
if (jj_scan_token(INTEGER)) return true;
return false;
}
private boolean jj_3R_15()
{
Token xsp;
if (jj_scan_token(25)) return true;
while (true) {
xsp = jj_scanpos;
if (jj_scan_token(25)) { jj_scanpos = xsp; break; }
}
return false;
}
private boolean jj_3R_20()
{
if (jj_3R_14()) return true;
Token xsp;
xsp = jj_scanpos;
if (jj_3R_25()) jj_scanpos = xsp;
xsp = jj_scanpos;
if (jj_3R_26()) jj_scanpos = xsp;
return false;
}
private boolean jj_3R_23()
{
Token xsp;
xsp = jj_scanpos;
if (jj_scan_token(5)) {
jj_scanpos = xsp;
if (jj_scan_token(9)) return true;
}
return false;
}
private boolean jj_3R_19()
{
if (jj_scan_token(GOTO)) return true;
if (jj_scan_token(IDENTIFIER)) return true;
return false;
}
private boolean jj_3R_11()
{
if (jj_3R_16()) return true;
return false;
}
private boolean jj_3R_16()
{
if (jj_scan_token(IF)) return true;
if (jj_3R_20()) return true;
Token xsp;
xsp = jj_scanpos;
if (jj_3R_21()) {
jj_scanpos = xsp;
if (jj_3_2()) {
jj_scanpos = xsp;
if (jj_3R_22()) return true;
}
}
return false;
}
private boolean jj_3R_40()
{
if (jj_3R_20()) return true;
return false;
}
private boolean jj_3R_48()
{
Token xsp;
xsp = jj_scanpos;
if (jj_scan_token(5)) {
jj_scanpos = xsp;
if (jj_scan_token(9)) return true;
}
return false;
}
private boolean jj_3R_14()
{
if (jj_scan_token(IDENTIFIER)) return true;
return false;
}
private boolean jj_3R_29()
{
if (jj_3R_32()) return true;
Token xsp;
while (true) {
xsp = jj_scanpos;
if (jj_3R_33()) { jj_scanpos = xsp; break; }
}
return false;
}
private boolean jj_3R_26()
{
if (jj_scan_token(DOT)) return true;
if (jj_3R_30()) return true;
return false;
}
private boolean jj_3R_33()
{
if (jj_scan_token(COMMA)) return true;
if (jj_3R_32()) return true;
return false;
}
private boolean jj_3R_27()
{
if (jj_scan_token(LT)) return true;
if (jj_3R_23()) return true;
if (jj_scan_token(THEN)) return true;
if (jj_3R_19()) return true;
if (jj_3R_24()) return true;
if (jj_scan_token(ELSE)) return true;
if (jj_3R_19()) return true;
if (jj_3R_24()) return true;
return false;
}
private boolean jj_3R_12()
{
if (jj_3R_17()) return true;
return false;
}
private boolean jj_3R_32()
{
Token xsp;
xsp = jj_scanpos;
if (jj_3R_38()) {
jj_scanpos = xsp;
if (jj_3R_39()) {
jj_scanpos = xsp;
if (jj_3R_40()) return true;
}
}
return false;
}
private boolean jj_3R_38()
{
if (jj_3R_47()) return true;
return false;
}
/** Generated Token Manager. */
public TreeNetParserTokenManager token_source;
SimpleCharStream jj_input_stream;
/** Current token. */
public Token token;
/** Next token. */
public Token jj_nt;
private Token jj_scanpos, jj_lastpos;
private int jj_la;
private int jj_gen;
final private int[] jj_la1 = new int[21];
static private int[] jj_la1_0;
static private int[] jj_la1_1;
static {
jj_la1_init_0();
jj_la1_init_1();
}
private static void jj_la1_init_0() {
jj_la1_0 = new int[] {0x7a0d0a20,0x0,0x7a0d0a20,0x7a0d0a20,0x0,0x80200000,0x220,0x1000000,0x400000,0x8000000,0x20000,0x10000,0xa20,0x20000,0x220,0x2000000,0x0,0x10000,0x820,0x220,0x220,};
}
private static void jj_la1_init_1() {
jj_la1_1 = new int[] {0x9,0xc,0x9,0x9,0xc,0x0,0x4,0x0,0x0,0x0,0x0,0x0,0x8,0x0,0x8,0x0,0x8,0x0,0x8,0x0,0x0,};
}
private final JJCalls[] jj_2_rtns = new JJCalls[2];
private boolean jj_rescan = false;
private int jj_gc = 0;
/**
* Constructor with InputStream and supplied encoding
* @param stream input stream
* @param encoding charset to be used. May not be null.
*/
public TreeNetParser(final java.io.InputStream stream, final String encoding) {
try {
jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1);
} catch(final java.io.UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
token_source = new TreeNetParserTokenManager(jj_input_stream);
token = new Token();
jj_nt = token_source.getNextToken();
token.next = jj_nt;
jj_gen = 0;
for (int i = 0; i < 21; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/**
* Reinitialise
* @param stream input stream
* @param encoding charset to be used. May not be null.
*/
public void ReInit(final java.io.InputStream stream, final String encoding) {
try {
jj_input_stream.reInit(stream, encoding, 1, 1);
} catch(final java.io.UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
token_source.ReInit(jj_input_stream);
token = new Token();
jj_nt = token_source.getNextToken();
token.next = jj_nt;
jj_gen = 0;
for (int i = 0; i < 21; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/**
* Constructor with InputStream.
* @param stream char stream
*/
public TreeNetParser(final java.io.Reader stream) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new TreeNetParserTokenManager(jj_input_stream);
token = new Token();
token.next = jj_nt = token_source.getNextToken();
jj_gen = 0;
for (int i = 0; i < 21; i++)
jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++)
jj_2_rtns[i] = new JJCalls();
}
/**
* Reinitialise
* @param stream char stream
*/
public void ReInit(final java.io.Reader stream) {
if (jj_input_stream == null) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
} else {
jj_input_stream.reInit(stream, 1, 1);
}
if (token_source == null) {
token_source = new TreeNetParserTokenManager(jj_input_stream);
}
token_source.ReInit(jj_input_stream);
token = new Token();
token.next = jj_nt = token_source.getNextToken();
jj_gen = 0;
for (int i = 0; i < 21; i++)
jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++)
jj_2_rtns[i] = new JJCalls();
}
/**
* Constructor with generated Token Manager.
* @param tm Token manager to use
*/
public TreeNetParser(final TreeNetParserTokenManager tm) {
token_source = tm;
token = new Token();
token.next = jj_nt = token_source.getNextToken();
jj_gen = 0;
for (int i = 0; i < 21; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/**
* Reinitialise
* @param tm Token manager to use
*/
public void ReInit(final TreeNetParserTokenManager tm) {
token_source = tm;
token = new Token();
token.next = jj_nt = token_source.getNextToken();
jj_gen = 0;
for (int i = 0; i < 21; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
private Token jj_consume_token(final int kind) throws ParseException {
final Token oldToken = token;
token = jj_nt;
if (token.next != null)
jj_nt = jj_nt.next;
else {
jj_nt.next = token_source.getNextToken();
jj_nt = jj_nt.next;
}
if (token.kind == kind) {
jj_gen++;
if (++jj_gc > 100) {
jj_gc = 0;
for (int i = 0; i < jj_2_rtns.length; i++) {
JJCalls c = jj_2_rtns[i];
while (c != null) {
if (c.gen < jj_gen)
c.first = null;
c = c.next;
}
}
}
return token;
}
jj_nt = token;
token = oldToken;
jj_kind = kind;
throw generateParseException();
}
private static final class LookaheadSuccess extends IllegalStateException {}
private final LookaheadSuccess jj_ls = new LookaheadSuccess();
private boolean jj_scan_token(int kind) {
if (jj_scanpos == jj_lastpos) {
jj_la--;
if (jj_scanpos.next == null) {
jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
} else {
jj_lastpos = jj_scanpos = jj_scanpos.next;
}
} else {
jj_scanpos = jj_scanpos.next;
}
if (jj_rescan) {
int i = 0; Token tok = token;
while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
if (tok != null) jj_add_error_token(kind, i);
}
if (jj_scanpos.kind != kind) return true;
if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
return false;
}
/**
* @return the next Token.
*/
public final Token getNextToken() {
token = jj_nt;
if (token.next != null)
jj_nt = jj_nt.next;
else
jj_nt = jj_nt.next = token_source.getNextToken();
jj_gen++;
return token;
}
/**
* @param index index to be retrieved
* @return the specific Token.
*/
public final Token getToken(final int index) {
Token t = token;
for (int i = 0; i < index; i++) {
if (t.next == null)
t.next = token_source.getNextToken();
t = t.next;
}
return t;
}
private java.util.List jj_expentries = new java.util.ArrayList();
private int[] jj_expentry;
private int jj_kind = -1;
private int[] jj_lasttokens = new int[100];
private int jj_endpos;
private void jj_add_error_token(int kind, int pos) {
if (pos >= 100) {
return;
}
if (pos == jj_endpos + 1) {
jj_lasttokens[jj_endpos++] = kind;
} else if (jj_endpos != 0) {
jj_expentry = new int[jj_endpos];
for (int i = 0; i < jj_endpos; i++) {
jj_expentry[i] = jj_lasttokens[i];
}
for (final int[] oldentry : jj_expentries) {
if (oldentry.length == jj_expentry.length) {
boolean isMatched = true;
for (int i = 0; i < jj_expentry.length; i++) {
if (oldentry[i] != jj_expentry[i]) {
isMatched = false;
break;
}
}
if (isMatched) {
jj_expentries.add(jj_expentry);
break;
}
}
}
if (pos != 0) {
jj_endpos = pos;
jj_lasttokens[jj_endpos - 1] = kind;
}
}
}
/**
* Generate ParseException.
* @return new Exception object. Never null
*/
public ParseException generateParseException() {
jj_expentries.clear();
boolean[] la1tokens = new boolean[36];
if (jj_kind >= 0) {
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 21; i++) {
if (jj_la1[i] == jj_gen) {
for (int j = 0; j < 32; j++) {
if ((jj_la1_0[i] & (1<false .
*/
public final boolean trace_enabled() {
return false;
}
/** Enable tracing. */
public final void enable_tracing() {}
/** Disable tracing. */
public final void disable_tracing() {}
private void jj_rescan_token() {
jj_rescan = true;
for (int i = 0; i < 2; i++) {
try {
JJCalls p = jj_2_rtns[i];
do {
if (p.gen > jj_gen) {
jj_la = p.arg;
jj_scanpos = p.first;
jj_lastpos = p.first;
switch (i) {
case 0: jj_3_1(); break;
case 1: jj_3_2(); break;
}
}
p = p.next;
} while (p != null);
} catch(LookaheadSuccess ls) { /* ignore */ }
}
jj_rescan = false;
}
private void jj_save(int index, int xla) {
JJCalls p = jj_2_rtns[index];
while (p.gen > jj_gen) {
if (p.next == null) {
p.next = new JJCalls();
p = p.next;
break;
}
p = p.next;
}
p.gen = jj_gen + xla - jj_la;
p.first = token;
p.arg = xla;
}
static final class JJCalls {
int gen;
Token first;
int arg;
JJCalls next;
}
}
