/* SSE_ParserCore.java */
/* Generated By:JavaCC: Do not edit this line. SSE_ParserCore.java */
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.sparql.sse.lang.parser ;

import org.apache.jena.sparql.sse.lang.ParserSSEBase ;
import static org.apache.jena.riot.lang.extra.LangParserLib.*;

public class SSE_ParserCore extends ParserSSEBase implements SSE_ParserCoreConstants {

// Now has explicit WS control in the grammar.
// Policy - eat trailing WS

// ---- Entry points : check for EOF.
  final public 
void parse() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case BOM:{
      jj_consume_token(BOM);
      break;
      }
    default:
      jj_la1[0] = jj_gen;
      ;
    }
parseStart() ;
    label_1:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case WS:{
        ;
        break;
        }
      default:
        jj_la1[1] = jj_gen;
        break label_1;
      }
      jj_consume_token(WS);
    }
    TermOrList();
    jj_consume_token(0);
parseFinish() ;
}

// Parse one atom  - non-compound RDF term.
  final public void atom() throws ParseException {
parseStart() ;
    TermAtom();
    jj_consume_token(0);
parseFinish() ;
}

// ----
  final public 
void TermOrList() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case IRIref:
    case PNAME:
    case BLANK_NODE_LABEL:
    case VAR_NAMED:
    case VAR_OTHER:
    case INTEGER:
    case DECIMAL:
    case DOUBLE:
    case STRING_LITERAL1:
    case STRING_LITERAL2:
    case STRING_LITERAL_LONG1:
    case STRING_LITERAL_LONG2:
    case L_TRIPLE:
    case SYMBOL:{
      TermAtom();
      label_2:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
        case WS:{
          ;
          break;
          }
        default:
          jj_la1[2] = jj_gen;
          break label_2;
        }
        jj_consume_token(WS);
      }
      break;
      }
    case LPAREN:
    case LBRACKET:{
      List();
      break;
      }
    default:
      jj_la1[3] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
}

  final public void List() throws ParseException {Token t ;
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case LPAREN:{
      t = jj_consume_token(LPAREN);
      label_3:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
        case WS:{
          ;
          break;
          }
        default:
          jj_la1[4] = jj_gen;
          break label_3;
        }
        jj_consume_token(WS);
      }
listStart(t.beginLine, t.beginColumn) ;
      BareList();
      t = jj_consume_token(RPAREN);
      label_4:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
        case WS:{
          ;
          break;
          }
        default:
          jj_la1[5] = jj_gen;
          break label_4;
        }
        jj_consume_token(WS);
      }
listFinish(t.beginLine, t.beginColumn) ;
      break;
      }
    case LBRACKET:{
      t = jj_consume_token(LBRACKET);
      label_5:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
        case WS:{
          ;
          break;
          }
        default:
          jj_la1[6] = jj_gen;
          break label_5;
        }
        jj_consume_token(WS);
      }
listStart(t.beginLine, t.beginColumn) ;
      BareList();
      t = jj_consume_token(RBRACKET);
      label_6:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
        case WS:{
          ;
          break;
          }
        default:
          jj_la1[7] = jj_gen;
          break label_6;
        }
        jj_consume_token(WS);
      }
listFinish(t.beginLine, t.beginColumn) ;
      break;
      }
    default:
      jj_la1[8] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
}

  final public void BareList() throws ParseException {
    label_7:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case IRIref:
      case PNAME:
      case BLANK_NODE_LABEL:
      case VAR_NAMED:
      case VAR_OTHER:
      case INTEGER:
      case DECIMAL:
      case DOUBLE:
      case STRING_LITERAL1:
      case STRING_LITERAL2:
      case STRING_LITERAL_LONG1:
      case STRING_LITERAL_LONG2:
      case LPAREN:
      case LBRACKET:
      case L_TRIPLE:
      case SYMBOL:{
        ;
        break;
        }
      default:
        jj_la1[9] = jj_gen;
        break label_7;
      }
      TermOrList();
    }
}

  final public void TermAtom() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case SYMBOL:{
      Symbol();
      break;
      }
    case IRIref:
    case PNAME:
    case BLANK_NODE_LABEL:
    case VAR_NAMED:
    case VAR_OTHER:
    case INTEGER:
    case DECIMAL:
    case DOUBLE:
    case STRING_LITERAL1:
    case STRING_LITERAL2:
    case STRING_LITERAL_LONG1:
    case STRING_LITERAL_LONG2:
    case L_TRIPLE:{
      RDFTermAtom();
      break;
      }
    default:
      jj_la1[10] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
}

// Atomic RDF terms URI, literal, bnode, variable.
// Not quoted triple. unless <<>> support is active.
  final public void RDFTermAtom() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case IRIref:{
      IRIref();
      break;
      }
    case PNAME:{
      PrefixedName();
      break;
      }
    case VAR_NAMED:
    case VAR_OTHER:{
      Var();
      break;
      }
    case INTEGER:
    case DECIMAL:
    case DOUBLE:
    case STRING_LITERAL1:
    case STRING_LITERAL2:
    case STRING_LITERAL_LONG1:
    case STRING_LITERAL_LONG2:{
      Literal();
      break;
      }
    case BLANK_NODE_LABEL:{
      BlankNode();
      break;
      }
    case L_TRIPLE:{
      TripleTerm();
      break;
      }
    default:
      jj_la1[11] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
}

  final public void Symbol() throws ParseException {Token t ;
    t = jj_consume_token(SYMBOL);
emitSymbol(t.beginLine, t.beginColumn, t.image) ;
}

  final public void IRIref() throws ParseException {Token t ; String s ;
    t = jj_consume_token(IRIref);
s = t.image ;
      s = stripQuotes(s) ;
      s = unescapeStr(s, t.beginLine, t.beginColumn) ;
      emitIRI(t.beginLine, t.beginColumn, s) ;
}

  final public void PrefixedName() throws ParseException {Token t ;
    t = jj_consume_token(PNAME);
emitPName(t.beginLine, t.beginColumn, t.image) ;
}

  final public void Var() throws ParseException {Token t ;
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case VAR_NAMED:{
      t = jj_consume_token(VAR_NAMED);
      break;
      }
    case VAR_OTHER:{
      t = jj_consume_token(VAR_OTHER);
      break;
      }
    default:
      jj_la1[12] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
emitVar(t.beginLine, t.beginColumn, stripChars(t.image, 1)) ;
}

  final public void Literal() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case STRING_LITERAL1:
    case STRING_LITERAL2:
    case STRING_LITERAL_LONG1:
    case STRING_LITERAL_LONG2:{
      RDFLiteral();
      break;
      }
    case INTEGER:
    case DECIMAL:
    case DOUBLE:{
      NumericLiteral();
      break;
      }
    default:
      jj_la1[13] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
}

  final public void BlankNode() throws ParseException {Token t ;
    t = jj_consume_token(BLANK_NODE_LABEL);
emitBNode(t.beginLine, t.beginColumn, stripChars(t.image, 2)) ;
}

  final public void TripleTerm() throws ParseException {Token t1 = null ; Token t2 = null ;
    t1 = jj_consume_token(L_TRIPLE);
    label_8:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case WS:{
        ;
        break;
        }
      default:
        jj_la1[14] = jj_gen;
        break label_8;
      }
      jj_consume_token(WS);
    }
tripleTermStart(t1.beginLine, t1.beginColumn);
    RDFTermAtom();
    label_9:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case WS:{
        ;
        break;
        }
      default:
        jj_la1[15] = jj_gen;
        break label_9;
      }
      jj_consume_token(WS);
    }
    RDFTermAtom();
    label_10:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case WS:{
        ;
        break;
        }
      default:
        jj_la1[16] = jj_gen;
        break label_10;
      }
      jj_consume_token(WS);
    }
    RDFTermAtom();
    label_11:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case WS:{
        ;
        break;
        }
      default:
        jj_la1[17] = jj_gen;
        break label_11;
      }
      jj_consume_token(WS);
    }
    t2 = jj_consume_token(R_TRIPLE);
tripleTermFinish(t2.beginLine, t2.beginColumn);
}

  final public void RDFLiteral() throws ParseException {Token t = null ; int currLine ; int currColumn ;
                      String lex ; String lang = null ;
                      String dt_iri = null ; String dt_pn = null ;
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case STRING_LITERAL1:{
      t = jj_consume_token(STRING_LITERAL1);
lex = stripQuotes(t.image) ;
      break;
      }
    case STRING_LITERAL2:{
      t = jj_consume_token(STRING_LITERAL2);
lex = stripQuotes(t.image) ;
      break;
      }
    case STRING_LITERAL_LONG1:{
      t = jj_consume_token(STRING_LITERAL_LONG1);
lex = stripQuotes3(t.image) ;
      break;
      }
    case STRING_LITERAL_LONG2:{
      t = jj_consume_token(STRING_LITERAL_LONG2);
lex = stripQuotes3(t.image) ;
      break;
      }
    default:
      jj_la1[18] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
currLine = t.beginLine ; currColumn = t.beginColumn ;
    lex = unescapeStr(lex, currLine, currColumn) ;
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case DATATYPE:
    case LANG_DIR:{
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case LANG_DIR:{
        t = jj_consume_token(LANG_DIR);
lang = stripChars(t.image, 1) ;
        break;
        }
      case DATATYPE:{
        jj_consume_token(DATATYPE);
        switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
        case IRIref:{
          t = jj_consume_token(IRIref);
dt_iri  = stripQuotes(t.image) ;
          break;
          }
        case PNAME:{
          t = jj_consume_token(PNAME);
dt_pn = t.image ;
          break;
          }
        default:
          jj_la1[19] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        break;
        }
      default:
        jj_la1[20] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
      }
    default:
      jj_la1[21] = jj_gen;
      ;
    }
emitLiteral(currLine, currColumn, lex, lang, dt_iri, dt_pn) ;
}

  final public void NumericLiteral() throws ParseException {Token t ;
    switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
    case INTEGER:{
      t = jj_consume_token(INTEGER);
emitLiteralInteger(t.beginLine, t.beginColumn, t.image) ;
      break;
      }
    case DECIMAL:{
      t = jj_consume_token(DECIMAL);
emitLiteralDecimal(t.beginLine, t.beginColumn, t.image) ;
      break;
      }
    case DOUBLE:{
      t = jj_consume_token(DOUBLE);
emitLiteralDouble(t.beginLine, t.beginColumn, t.image) ;
      break;
      }
    default:
      jj_la1[22] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
}

  /** Generated Token Manager. */
  public SSE_ParserCoreTokenManager token_source;
  SimpleCharStream jj_input_stream;
  /** Current token. */
  public Token token;
  /** Next token. */
  public Token jj_nt;
  private int jj_ntk;
  private int jj_gen;
  final private int[] jj_la1 = new int[23];
  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[] {0x200,0x2,0x2,0xa3e039f0,0x2,0x2,0x2,0x2,0x22000000,0xa3e039f0,0x81e039f0,0x81e039f0,0x180,0x1e03800,0x2,0x2,0x2,0x2,0x1e00000,0x30,0x0,0x0,0x3800,};
	}
	private static void jj_la1_init_1() {
	   jj_la1_1 = new int[] {0x0,0x0,0x0,0x80000,0x0,0x0,0x0,0x0,0x0,0x80000,0x80000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6,0x6,0x0,};
	}

  /** Constructor with InputStream. */
  public SSE_ParserCore(java.io.InputStream stream) {
	  this(stream, null);
  }
  /** Constructor with InputStream and supplied encoding */
  public SSE_ParserCore(java.io.InputStream stream, String encoding) {
	 try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
	 token_source = new SSE_ParserCoreTokenManager(jj_input_stream);
	 token = new Token();
	 jj_ntk = -1;
	 jj_gen = 0;
	 for (int i = 0; i < 23; i++) jj_la1[i] = -1;
  }

  /** Reinitialise. */
  public void ReInit(java.io.InputStream stream) {
	  ReInit(stream, null);
  }
  /** Reinitialise. */
  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 < 23; i++) jj_la1[i] = -1;
  }

  /** Constructor. */
  public SSE_ParserCore(java.io.Reader stream) {
	 jj_input_stream = new SimpleCharStream(stream, 1, 1);
	 token_source = new SSE_ParserCoreTokenManager(jj_input_stream);
	 token = new Token();
	 jj_ntk = -1;
	 jj_gen = 0;
	 for (int i = 0; i < 23; i++) jj_la1[i] = -1;
  }

  /** Reinitialise. */
  public void ReInit(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 SSE_ParserCoreTokenManager(jj_input_stream);
	}

	 token_source.ReInit(jj_input_stream);
	 token = new Token();
	 jj_ntk = -1;
	 jj_gen = 0;
	 for (int i = 0; i < 23; i++) jj_la1[i] = -1;
  }

  /** Constructor with generated Token Manager. */
  public SSE_ParserCore(SSE_ParserCoreTokenManager tm) {
	 token_source = tm;
	 token = new Token();
	 jj_ntk = -1;
	 jj_gen = 0;
	 for (int i = 0; i < 23; i++) jj_la1[i] = -1;
  }

  /** Reinitialise. */
  public void ReInit(SSE_ParserCoreTokenManager tm) {
	 token_source = tm;
	 token = new Token();
	 jj_ntk = -1;
	 jj_gen = 0;
	 for (int i = 0; i < 23; i++) jj_la1[i] = -1;
  }

  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++;
	   return token;
	 }
	 token = oldToken;
	 jj_kind = kind;
	 throw generateParseException();
  }


/** Get the next Token. */
  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;
  }

/** Get the specific 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_f() {
	 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;

  /** Generate ParseException. */
  public ParseException generateParseException() {
	 jj_expentries.clear();
	 boolean[] la1tokens = new boolean[53];
	 if (jj_kind >= 0) {
	   la1tokens[jj_kind] = true;
	   jj_kind = -1;
	 }
	 for (int i = 0; i < 23; 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 < 53; i++) {
	   if (la1tokens[i]) {
		 jj_expentry = new int[1];
		 jj_expentry[0] = i;
		 jj_expentries.add(jj_expentry);
	   }
	 }
	 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);
  }

  private boolean trace_enabled;

/** Trace enabled. */
  final public boolean trace_enabled() {
	 return trace_enabled;
  }

  /** Enable tracing. */
  final public void enable_tracing() {
  }

  /** Disable tracing. */
  final public void disable_tracing() {
  }

}
