/* Generated By:JavaCC: Do not edit this line. JSGFParser.java */
package edu.cmu.sphinx.jsgf.parser;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.StringTokenizer;
import edu.cmu.sphinx.jsgf.rule.*;
import edu.cmu.sphinx.jsgf.JSGFRuleGrammar;
import edu.cmu.sphinx.jsgf.JSGFRuleGrammarFactory;
import edu.cmu.sphinx.jsgf.JSGFRuleGrammarManager;
import edu.cmu.sphinx.jsgf.JSGFGrammarParseException;
@SuppressWarnings("all")
class JSGFEncoding {
public String version;
public String encoding;
public String locale;
JSGFEncoding(String version, String encoding, String locale) {
this.version = version;
this.encoding = encoding;
this.locale = locale;
}
}
public class JSGFParser implements JSGFParserConstants {
// For now we create one global parser, if needed JavaCC can be set
// to allow the creation of multiple parser instances
//
static final String version = "1.0";
static JSGFParser parser = null;
// This main method simply checks the syntax of a jsgf Grammar
//
public static void main(String[] args) {
if (args.length == 0) {
System.out.println("JSGF Parser Version " + version + ": Reading from standard input . . .");
parser = new JSGFParser(System.in);
}
else if (args.length > 0) {
System.out.println("JSGF Parser Version " + version + ": Reading from file " + args[0] + " . . .");
try {
URL codeBase = null;
File f = new File(".");
String path = f.getAbsolutePath() + "/" + args[0];
try {
codeBase = new URL("file:" + path);
} catch (MalformedURLException e) {
System.out.println("Could not get URL for current directory " + e);
return;
}
BufferedInputStream i = new BufferedInputStream(codeBase.openStream(), 256);
JSGFEncoding encoding = getJSGFEncoding(i);
Reader rdr;
if ((encoding != null) && (encoding.encoding != null)) {
System.out.println("Grammar Character Encoding \u005c"" + encoding.encoding + "\u005c"");
rdr = new InputStreamReader(i, encoding.encoding);
} else {
if (encoding == null) System.out.println("WARNING: Grammar missing self identifying header");
rdr = new InputStreamReader(i);
}
parser = new JSGFParser(rdr);
} catch (Exception e) {
System.out.println("JSGF Parser Version " + version + ": File " + args[0] + " not found.");
return;
}
} else {
System.out.println("JSGF Parser Version " + version + ": Usage is one of:");
System.out.println(" java JSGFParser < inputfile");
System.out.println("OR");
System.out.println(" java JSGFParser inputfile");
return;
}
try {
parser.GrammarUnit(new JSGFRuleGrammarFactory (new JSGFRuleGrammarManager()));
System.out.println("JSGF Parser Version " + version + ": JSGF Grammar parsed successfully.");
} catch (ParseException e) {
System.out.println("JSGF Parser Version " + version + ": Encountered errors during parse." + e.getMessage());
}
}
public static JSGFRuleGrammar newGrammarFromJSGF(InputStream i, JSGFRuleGrammarFactory factory) throws JSGFGrammarParseException
{
JSGFRuleGrammar grammar = null;
if (parser == null) {
parser = new JSGFParser(i);
} else {
parser.ReInit(i);
}
try {
grammar = parser.GrammarUnit(factory);
return grammar;
} catch (ParseException e) {
Token etoken = e.currentToken;
JSGFGrammarParseException ge = new JSGFGrammarParseException(etoken.beginLine, etoken.beginColumn, "Grammar Error", e.getMessage());
throw ge;
}
}
public static JSGFRuleGrammar newGrammarFromJSGF(Reader i, JSGFRuleGrammarFactory factory) throws JSGFGrammarParseException
{
JSGFRuleGrammar grammar = null;
if (parser == null) {
parser = new JSGFParser(i);
} else {
parser.ReInit(i);
}
try {
grammar = parser.GrammarUnit(factory);
return grammar;
} catch (ParseException e) {
Token etoken = e.currentToken;
JSGFGrammarParseException ge = new JSGFGrammarParseException(etoken.beginLine, etoken.beginColumn, "Grammar Error", e.getMessage());
throw ge;
}
}
private static JSGFEncoding getJSGFEncoding(BufferedInputStream is) {
int i = 0;
byte[] b = new byte[2];
byte[] c = new byte[80];
is.mark(256);
/* read 2 bytes */
try {
if (is.read(b, 0, 2) != 2) {
is.reset();
return null;
}
if ((b[0] == 0x23) && (b[1] == 0x4A)) {
// UTF-8
i = 0;
c[i++] = b[0];
c[i++] = b[1];
while (i < 80) {
if (is.read(b, 0, 1) != 1) {
is.reset();
return null;
}
if ((b[0] == 0x0A) || (b[0] == 0x0D)) break;
c[i++] = b[0];
}
} else if ((b[0] == 0x23) && (b[1] == 0x00)) {
// UTF-16 BE
i = 0;
c[i++] = b[0];
while (i < 80) {
if (is.read(b, 0, 2) != 2) {
is.reset();
return null;
}
if (b[1] != 0) return null;
if ((b[0] == 0x0A) || (b[0] == 0x0D)) break;
c[i++] = b[0];
}
} else if ((b[0] == 0x00) && (b[1] == 0x23)) {
// UTF-16 LE
i = 0;
c[i++] = b[1];
while (i < 80) {
if (is.read(b, 0, 2) != 2) {
is.reset();
return null;
}
if (b[0] != 0) return null;
if ((b[1] == 0x0A) || (b[1] == 0x0D)) break;
c[i++] = b[1];
}
}
}
catch (IOException ioe) {
try {
is.reset();
} catch (IOException ioe2) {
}
return null;
}
if (i == 0) {
try {
is.reset();
} catch (IOException ioe2) {
}
return null;
}
//
// Now c[] should have first line of text in UTF-8 format
//
String estr = new String(c, 0, i);
StringTokenizer st = new StringTokenizer(estr, " \u005ct\u005cn\u005cr\u005cf;");
String id = null;
String ver = null;
String enc = null;
String loc = null;
if (st.hasMoreTokens()) id = st.nextToken();
if (!id.equals("#JSGF")) {
try {
is.reset();
} catch (IOException ioe2) {
}
return null;
}
if (st.hasMoreTokens()) ver = st.nextToken();
if (st.hasMoreTokens()) enc = st.nextToken();
if (st.hasMoreTokens()) loc = st.nextToken();
return new JSGFEncoding(ver, enc, loc);
}
public static JSGFRuleGrammar newGrammarFromJSGF(URL url, JSGFRuleGrammarFactory factory) throws JSGFGrammarParseException, IOException
{
Reader reader;
BufferedInputStream stream = new BufferedInputStream(url.openStream(), 256);
JSGFEncoding encoding = getJSGFEncoding(stream);
if ((encoding != null) && (encoding.encoding != null)) {
System.out.println("Grammar Character Encoding \u005c"" + encoding.encoding + "\u005c"");
reader = new InputStreamReader(stream, encoding.encoding);
} else {
if (encoding == null) System.out.println("WARNING: Grammar missing self identifying header");
reader = new InputStreamReader(stream);
}
return newGrammarFromJSGF(reader, factory);
}
public static JSGFRule ruleForJSGF(String text) {
JSGFRule r = null;
try {
StringReader sread = new StringReader(text);
if (parser == null) parser = new JSGFParser(sread);
else parser.ReInit(sread);
r = parser.alternatives();
// System.out.println("JSGF Parser Version " + version
// + ": JSGF RHS parsed successfully.");
} catch (ParseException e) {
System.out.println("JSGF Parser Version " + version + ": Encountered errors during parse.");
}
return r;
}
static void extractKeywords(JSGFRuleGrammar grammar, String rname, String comment) {
int i = 0;
while ((i = comment.indexOf("@example ", i) + 9) > 9) {
int j = Math.max(comment.indexOf('\u005cr', i), comment.indexOf('\u005cn', i));
if (j < 0) {
j = comment.length();
if (comment.endsWith(("*/")))
j -= 2;
}
grammar.addSampleSentence(rname, comment.substring(i, j).trim());
i = j + 1;
}
}
@SuppressWarnings("unused")
final public JSGFRuleGrammar GrammarUnit(JSGFRuleGrammarFactory factory) throws ParseException {
JSGFRuleGrammar grammar = null;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IDENTIFIER:
IdentHeader();
break;
default:
jj_la1[0] = jj_gen;
;
}
grammar = GrammarDeclaration(factory);
label_1:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IMPORT:
;
break;
default:
jj_la1[1] = jj_gen;
break label_1;
}
ImportDeclaration(grammar);
}
label_2:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case PUBLIC:
case 28:
;
break;
default:
jj_la1[2] = jj_gen;
break label_2;
}
RuleDeclaration(grammar);
}
jj_consume_token(0);
{if (true) return grammar;}
throw new Error("Missing return statement in function");
}
@SuppressWarnings("unused")
final public JSGFRuleGrammar GrammarDeclaration(JSGFRuleGrammarFactory factory) throws ParseException {
String s;
JSGFRuleGrammar grammar = null;
Token t = null;
t = jj_consume_token(GRAMMAR);
s = Name();
jj_consume_token(26);
grammar = factory.newGrammar (s);
if (grammar != null && t != null && t.specialToken != null) {
if (t.specialToken.image != null && t.specialToken.image.startsWith("/**")) {
JSGFRuleGrammar JG = grammar;
JG.addGrammarDocComment(t.specialToken.image);
}
}
{if (true) return grammar;}
throw new Error("Missing return statement in function");
}
final public void IdentHeader() throws ParseException {
jj_consume_token(IDENTIFIER);
jj_consume_token(27);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IDENTIFIER:
jj_consume_token(IDENTIFIER);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IDENTIFIER:
jj_consume_token(IDENTIFIER);
break;
default:
jj_la1[3] = jj_gen;
;
}
break;
default:
jj_la1[4] = jj_gen;
;
}
jj_consume_token(26);
}
final public void ImportDeclaration(JSGFRuleGrammar grammar) throws ParseException {
boolean all = false;
String name;
Token t = null;
t = jj_consume_token(IMPORT);
jj_consume_token(28);
name = Name();
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 29:
jj_consume_token(29);
jj_consume_token(30);
all = true;
break;
default:
jj_la1[5] = jj_gen;
;
}
jj_consume_token(31);
jj_consume_token(26);
// import all rules if .*
if (all) name = name + ".*";
JSGFRuleName r = new JSGFRuleName(name);
if (grammar != null) {
grammar.addImport(r);
if (grammar instanceof JSGFRuleGrammar && t != null && t.specialToken != null) {
if (t.specialToken.image != null && t.specialToken.image.startsWith("/**")) {
JSGFRuleGrammar JG = grammar;
JG.addImportDocComment(r, t.specialToken.image);
}
}
}
}
@SuppressWarnings("unused")
final public String Name() throws ParseException {
Token t1, t2;
StringBuilder sb = new StringBuilder();
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IDENTIFIER:
t1 = jj_consume_token(IDENTIFIER);
break;
case PUBLIC:
t1 = jj_consume_token(PUBLIC);
break;
case IMPORT:
t1 = jj_consume_token(IMPORT);
break;
case GRAMMAR:
t1 = jj_consume_token(GRAMMAR);
break;
default:
jj_la1[6] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
sb.append(t1.image);
label_3:
while (true) {
if (jj_2_1(2)) {
;
} else {
break label_3;
}
jj_consume_token(29);
t2 = jj_consume_token(IDENTIFIER);
sb.append('.');
sb.append(t2.image);
}
{if (true) return sb.toString();}
throw new Error("Missing return statement in function");
}
final public void RuleDeclaration(JSGFRuleGrammar grammar) throws ParseException {
boolean pub = false;
String s;
JSGFRule r;
Token t = null;
Token t1 = null;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case PUBLIC:
t = jj_consume_token(PUBLIC);
pub = true;
break;
default:
jj_la1[7] = jj_gen;
;
}
t1 = jj_consume_token(28);
s = ruleDef();
jj_consume_token(31);
jj_consume_token(32);
r = alternatives();
jj_consume_token(26);
try {
if (grammar != null) {
grammar.setRule(s, r, pub);
String docComment = null;
if ((t != null) && (t.specialToken != null) && (t.specialToken.image != null)) docComment = t.specialToken.image;
else if ((t1 != null) && (t1.specialToken != null) && (t1.specialToken.image != null)) docComment = t1.specialToken.image;
if (docComment != null && docComment.startsWith("/**")) {
extractKeywords(grammar, s, docComment);
grammar.addRuleDocComment(s, docComment);
}
}
} catch (IllegalArgumentException e) {
System.out.println("ERROR SETTING JSGFRule " + s);
}
}
@SuppressWarnings("unused")
final public JSGFRuleAlternatives alternatives() throws ParseException {
ArrayList<JSGFRule> ruleList = new ArrayList<JSGFRule>();
JSGFRule r;
float w;
ArrayList<Float>weights = new ArrayList<Float>();
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case GRAMMAR:
case IMPORT:
case PUBLIC:
case INTEGER_LITERAL:
case FLOATING_POINT_LITERAL:
case STRING_LITERAL:
case IDENTIFIER:
case 28:
case 36:
case 38:
r = sequence();
ruleList.add(r);
label_4:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 33:
;
break;
default:
jj_la1[8] = jj_gen;
break label_4;
}
jj_consume_token(33);
r = sequence();
ruleList.add(r);
}
break;
case 34:
w = weight();
r = sequence();
ruleList.add(r);
weights.add(w);
label_5:
while (true) {
jj_consume_token(33);
w = weight();
r = sequence();
ruleList.add(r);
weights.add(w);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 33:
;
break;
default:
jj_la1[9] = jj_gen;
break label_5;
}
}
break;
default:
jj_la1[10] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
JSGFRuleAlternatives ra = new JSGFRuleAlternatives(ruleList);
if (weights.size() > 0) {
ra.setWeights(weights);
}
{if (true) return ra;}
throw new Error("Missing return statement in function");
}
@SuppressWarnings("unused")
final public String ruleDef() throws ParseException {
Token t;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IDENTIFIER:
t = jj_consume_token(IDENTIFIER);
break;
case INTEGER_LITERAL:
t = jj_consume_token(INTEGER_LITERAL);
break;
case PUBLIC:
t = jj_consume_token(PUBLIC);
break;
case IMPORT:
t = jj_consume_token(IMPORT);
break;
case GRAMMAR:
t = jj_consume_token(GRAMMAR);
break;
default:
jj_la1[11] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{if (true) return t.image;}
throw new Error("Missing return statement in function");
}
@SuppressWarnings("unused")
final public JSGFRuleSequence sequence() throws ParseException {
JSGFRule JSGFRule;
ArrayList<JSGFRule> ruleList = new ArrayList<JSGFRule>();
label_6:
while (true) {
JSGFRule = item();
ruleList.add(JSGFRule);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case GRAMMAR:
case IMPORT:
case PUBLIC:
case INTEGER_LITERAL:
case FLOATING_POINT_LITERAL:
case STRING_LITERAL:
case IDENTIFIER:
case 28:
case 36:
case 38:
;
break;
default:
jj_la1[12] = jj_gen;
break label_6;
}
}
{if (true) return new JSGFRuleSequence(ruleList);}
throw new Error("Missing return statement in function");
}
@SuppressWarnings("unused")
final public float weight() throws ParseException {
Token t;
jj_consume_token(34);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case FLOATING_POINT_LITERAL:
t = jj_consume_token(FLOATING_POINT_LITERAL);
break;
case INTEGER_LITERAL:
t = jj_consume_token(INTEGER_LITERAL);
break;
default:
jj_la1[13] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
jj_consume_token(34);
{if (true) return Float.valueOf(t.image).floatValue();}
throw new Error("Missing return statement in function");
}
@SuppressWarnings("unused")
final public JSGFRule item() throws ParseException {
JSGFRule r;
ArrayList<String> tags = null;
int count =-1;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case GRAMMAR:
case IMPORT:
case PUBLIC:
case INTEGER_LITERAL:
case FLOATING_POINT_LITERAL:
case STRING_LITERAL:
case IDENTIFIER:
case 28:
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case GRAMMAR:
case IMPORT:
case PUBLIC:
case INTEGER_LITERAL:
case FLOATING_POINT_LITERAL:
case STRING_LITERAL:
case IDENTIFIER:
r = terminal();
break;
case 28:
r = ruleRef();
break;
default:
jj_la1[14] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 30:
case 35:
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 30:
jj_consume_token(30);
count = JSGFRuleCount.ZERO_OR_MORE;
break;
case 35:
jj_consume_token(35);
count = JSGFRuleCount.ONCE_OR_MORE;
break;
default:
jj_la1[15] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
break;
default:
jj_la1[16] = jj_gen;
;
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case TAG:
tags = tags();
break;
default:
jj_la1[17] = jj_gen;
;
}
break;
case 36:
jj_consume_token(36);
r = alternatives();
jj_consume_token(37);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 30:
case 35:
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 30:
jj_consume_token(30);
count = JSGFRuleCount.ZERO_OR_MORE;
break;
case 35:
jj_consume_token(35);
count = JSGFRuleCount.ONCE_OR_MORE;
break;
default:
jj_la1[18] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
break;
default:
jj_la1[19] = jj_gen;
;
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case TAG:
tags = tags();
break;
default:
jj_la1[20] = jj_gen;
;
}
break;
case 38:
jj_consume_token(38);
r = alternatives();
jj_consume_token(39);
count = JSGFRuleCount.OPTIONAL;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case TAG:
tags = tags();
break;
default:
jj_la1[21] = jj_gen;
;
}
break;
default:
jj_la1[22] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
if (count != - 1) r = new JSGFRuleCount(r, count);
if (tags != null) {
for (String tag : tags) {
if (tag.charAt(0) == '{') {
tag = tag.substring(1, tag.length() - 1);
tag = tag.replace('\u005c\u005c', ' ');
}
r = new JSGFRuleTag(r, tag);
}
}
{if (true) return r;}
throw new Error("Missing return statement in function");
}
@SuppressWarnings("unused")
final public ArrayList<String> tags() throws ParseException {
Token token;
ArrayList<String> tags = new ArrayList<String>();
label_7:
while (true) {
token = jj_consume_token(TAG);
tags.add(token.image);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case TAG:
;
break;
default:
jj_la1[23] = jj_gen;
break label_7;
}
}
{if (true) return tags;}
throw new Error("Missing return statement in function");
}
@SuppressWarnings("unused")
final public JSGFRule terminal() throws ParseException {
Token t;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IDENTIFIER:
t = jj_consume_token(IDENTIFIER);
break;
case STRING_LITERAL:
t = jj_consume_token(STRING_LITERAL);
break;
case INTEGER_LITERAL:
t = jj_consume_token(INTEGER_LITERAL);
break;
case FLOATING_POINT_LITERAL:
t = jj_consume_token(FLOATING_POINT_LITERAL);
break;
case PUBLIC:
t = jj_consume_token(PUBLIC);
break;
case IMPORT:
t = jj_consume_token(IMPORT);
break;
case GRAMMAR:
t = jj_consume_token(GRAMMAR);
break;
default:
jj_la1[24] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
String tn = t.image;
if (tn.startsWith("\u005c"") && tn.endsWith("\u005c"")) tn = tn.substring(1, tn.length() - 1);
JSGFRuleToken rt = new JSGFRuleToken(tn);
{if (true) return rt;}
throw new Error("Missing return statement in function");
}
@SuppressWarnings("unused")
final public JSGFRuleName ruleRef() throws ParseException {
String s;
jj_consume_token(28);
s = Name();
jj_consume_token(31);
JSGFRuleName rn = new JSGFRuleName(s);
{if (true) return rn;}
throw new Error("Missing return statement in function");
}
@SuppressWarnings("unused")
final public JSGFRuleName importRef() throws ParseException {
String s;
boolean all = false;
jj_consume_token(28);
s = Name();
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 29:
jj_consume_token(29);
jj_consume_token(30);
all = true;
break;
default:
jj_la1[25] = jj_gen;
;
}
jj_consume_token(31);
if (all) s = s + ".*";
JSGFRuleName rn = new JSGFRuleName(s);
{if (true) return rn;}
throw new Error("Missing return statement in function");
}
private boolean jj_2_1(int xla) {
jj_la = xla; jj_lastpos = jj_scanpos = token;
try { return !jj_3_1(); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(0, xla); }
}
private boolean jj_3_1() {
if (jj_scan_token(29)) return true;
if (jj_scan_token(IDENTIFIER)) return true;
return false;
}
public JSGFParserTokenManager token_source;
JavaCharStream jj_input_stream;
public Token token;
public Token jj_nt;
private int jj_ntk;
private Token jj_scanpos, jj_lastpos;
private int jj_la;
private int jj_gen;
final private int[] jj_la1 = new int[26];
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[] {0x800000,0x4000,0x10008000,0x800000,0x800000,0x20000000,0x80e000,0x8000,0x0,0x0,0x10a5e000,0x81e000,0x10a5e000,0x50000,0x10a5e000,0x40000000,0x40000000,0x400000,0x40000000,0x40000000,0x400000,0x400000,0x10a5e000,0x400000,0xa5e000,0x20000000,};
}
private static void jj_la1_init_1() {
jj_la1_1 = new int[] {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x2,0x2,0x54,0x0,0x50,0x0,0x0,0x8,0x8,0x0,0x8,0x8,0x0,0x0,0x50,0x0,0x0,0x0,};
}
final private JJCalls[] jj_2_rtns = new JJCalls[1];
private boolean jj_rescan = false;
private int jj_gc = 0;
public JSGFParser(java.io.InputStream stream) {
this(stream, null);
}
public JSGFParser(java.io.InputStream stream, String encoding) {
try { jj_input_stream = new JavaCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source = new JSGFParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 26; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
public void ReInit(java.io.InputStream stream) {
ReInit(stream, null);
}
public void ReInit(java.io.InputStream stream, String encoding) {
try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 26; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
public JSGFParser(java.io.Reader stream) {
jj_input_stream = new JavaCharStream(stream, 1, 1);
token_source = new JSGFParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 26; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
public void ReInit(java.io.Reader stream) {
jj_input_stream.ReInit(stream, 1, 1);
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 26; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
public JSGFParser(JSGFParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 26; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
public void ReInit(JSGFParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 26; 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(int kind) throws ParseException {
Token oldToken;
if ((oldToken = token).next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
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;
}
token = oldToken;
jj_kind = kind;
throw generateParseException();
}
@SuppressWarnings("serial")
static private final class LookaheadSuccess extends java.lang.Error { }
final private 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;
}
final public Token getNextToken() {
if (token.next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
jj_gen++;
return token;
}
final public Token getToken(int index) {
Token t = token;
for (int i = 0; i < index; i++) {
if (t.next != null) t = t.next;
else t = t.next = token_source.getNextToken();
}
return t;
}
private int jj_ntk() {
if ((jj_nt=token.next) == null)
return (jj_ntk = (token.next=token_source.getNextToken()).kind);
else
return (jj_ntk = jj_nt.kind);
}
private java.util.List<int[]> jj_expentries = new java.util.ArrayList<int[]>();
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];
}
jj_entries_loop: for (java.util.Iterator<?> it = jj_expentries.iterator(); it.hasNext();) {
int[] oldentry = (int[])(it.next());
if (oldentry.length == jj_expentry.length) {
for (int i = 0; i < jj_expentry.length; i++) {
if (oldentry[i] != jj_expentry[i]) {
continue jj_entries_loop;
}
}
jj_expentries.add(jj_expentry);
break jj_entries_loop;
}
}
if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
}
}
public ParseException generateParseException() {
jj_expentries.clear();
boolean[] la1tokens = new boolean[40];
if (jj_kind >= 0) {
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 26; i++) {
if (jj_la1[i] == jj_gen) {
for (int j = 0; j < 32; j++) {
if ((jj_la1_0[i] & (1<<j)) != 0) {
la1tokens[j] = true;
}
if ((jj_la1_1[i] & (1<<j)) != 0) {
la1tokens[32+j] = true;
}
}
}
}
for (int i = 0; i < 40; i++) {
if (la1tokens[i]) {
jj_expentry = new int[1];
jj_expentry[0] = i;
jj_expentries.add(jj_expentry);
}
}
jj_endpos = 0;
jj_rescan_token();
jj_add_error_token(0, 0);
int[][] exptokseq = new int[jj_expentries.size()][];
for (int i = 0; i < jj_expentries.size(); i++) {
exptokseq[i] = jj_expentries.get(i);
}
return new ParseException(token, exptokseq, tokenImage);
}
final public void enable_tracing() {
}
final public void disable_tracing() {
}
private void jj_rescan_token() {
jj_rescan = true;
for (int i = 0; i < 1; i++) {
try {
JJCalls p = jj_2_rtns[i];
do {
if (p.gen > jj_gen) {
jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
switch (i) {
case 0: jj_3_1(); break;
}
}
p = p.next;
} while (p != null);
} catch(LookaheadSuccess ls) { }
}
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 = p.next = new JJCalls(); 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;
}
}