/* Generated By:JavaCC: Do not edit this line. EXPRTokenManager.java */
package org.turtleshell.cmd;
import java.io.Closeable;
import java.io.Reader;
import java.io.StringReader;
import org.turtleshell.TEnv;

/** Token Manager. */
public class EXPRTokenManager implements EXPRConstants
{

  /** Debug output. */
  public  java.io.PrintStream debugStream = System.out;
  /** Set debug output. */
  public  void setDebugStream(java.io.PrintStream ds) { debugStream = ds; }
private final int jjStopStringLiteralDfa_0(int pos, long active0)
{
   switch (pos)
   {
      default :
         return -1;
   }
}
private final int jjStartNfa_0(int pos, long active0)
{
   return jjMoveNfa_0(jjStopStringLiteralDfa_0(pos, active0), pos + 1);
}
private int jjStopAtPos(int pos, int kind)
{
   jjmatchedKind = kind;
   jjmatchedPos = pos;
   return pos + 1;
}
private int jjMoveStringLiteralDfa0_0()
{
   switch(curChar)
   {
      case 37:
         return jjStopAtPos(0, 6);
      case 38:
         return jjStopAtPos(0, 13);
      case 40:
         return jjStopAtPos(0, 14);
      case 41:
         return jjStopAtPos(0, 15);
      case 42:
         return jjStopAtPos(0, 4);
      case 43:
         return jjStopAtPos(0, 2);
      case 45:
         return jjStopAtPos(0, 3);
      case 47:
         return jjStopAtPos(0, 5);
      case 60:
         jjmatchedKind = 9;
         return jjMoveStringLiteralDfa1_0(0x80L);
      case 61:
         return jjStopAtPos(0, 11);
      case 62:
         jjmatchedKind = 10;
         return jjMoveStringLiteralDfa1_0(0x100L);
      case 91:
         return jjStopAtPos(0, 16);
      case 93:
         return jjStopAtPos(0, 17);
      case 124:
         return jjStopAtPos(0, 12);
      default :
         return jjMoveNfa_0(0, 0);
   }
}
private int jjMoveStringLiteralDfa1_0(long active0)
{
   try { curChar = input_stream.readChar(); }
   catch(java.io.IOException e) {
      jjStopStringLiteralDfa_0(0, active0);
      return 1;
   }
   switch(curChar)
   {
      case 61:
         if ((active0 & 0x80L) != 0L)
            return jjStopAtPos(1, 7);
         else if ((active0 & 0x100L) != 0L)
            return jjStopAtPos(1, 8);
         break;
      default :
         break;
   }
   return jjStartNfa_0(0, active0);
}
private int jjMoveNfa_0(int startState, int curPos)
{
   int startsAt = 0;
   jjnewStateCnt = 1;
   int i = 1;
   jjstateSet[0] = startState;
   int kind = 0x7fffffff;
   for (;;)
   {
      if (++jjround == 0x7fffffff)
         ReInitRounds();
      if (curChar < 64)
      {
         long l = 1L << curChar;
         do
         {
            switch(jjstateSet[--i])
            {
               case 0:
                  if ((0x3ff000000000000L & l) == 0L)
                     break;
                  kind = 1;
                  jjstateSet[jjnewStateCnt++] = 0;
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      else if (curChar < 128)
      {
         long l = 1L << (curChar & 077);
         do
         {
            switch(jjstateSet[--i])
            {
               default : break;
            }
         } while(i != startsAt);
      }
      else
      {
         int i2 = (curChar & 0xff) >> 6;
         long l2 = 1L << (curChar & 077);
         do
         {
            switch(jjstateSet[--i])
            {
               default : break;
            }
         } while(i != startsAt);
      }
      if (kind != 0x7fffffff)
      {
         jjmatchedKind = kind;
         jjmatchedPos = curPos;
         kind = 0x7fffffff;
      }
      ++curPos;
      if ((i = jjnewStateCnt) == (startsAt = 1 - (jjnewStateCnt = startsAt)))
         return curPos;
      try { curChar = input_stream.readChar(); }
      catch(java.io.IOException e) { return curPos; }
   }
}
static final int[] jjnextStates = {
};

/** Token literal values. */
public static final String[] jjstrLiteralImages = {
"", null, "\53", "\55", "\52", "\57", "\45", "\74\75", "\76\75", "\74", "\76", 
"\75", "\174", "\46", "\50", "\51", "\133", "\135", null, };

/** Lexer state names. */
public static final String[] lexStateNames = {
   "DEFAULT",
};
static final long[] jjtoToken = {
   0x3ffffL, 
};
static final long[] jjtoSkip = {
   0x40000L, 
};
protected SimpleCharStream input_stream;
private final int[] jjrounds = new int[1];
private final int[] jjstateSet = new int[2];
protected char curChar;
/** Constructor. */
public EXPRTokenManager(SimpleCharStream stream){
   if (SimpleCharStream.staticFlag)
      throw new Error("ERROR: Cannot use a static CharStream class with a non-static lexical analyzer.");
   input_stream = stream;
}

/** Constructor. */
public EXPRTokenManager(SimpleCharStream stream, int lexState){
   this(stream);
   SwitchTo(lexState);
}

/** Reinitialise parser. */
public void ReInit(SimpleCharStream stream)
{
   jjmatchedPos = jjnewStateCnt = 0;
   curLexState = defaultLexState;
   input_stream = stream;
   ReInitRounds();
}
private void ReInitRounds()
{
   int i;
   jjround = 0x80000001;
   for (i = 1; i-- > 0;)
      jjrounds[i] = 0x80000000;
}

/** Reinitialise parser. */
public void ReInit(SimpleCharStream stream, int lexState)
{
   ReInit(stream);
   SwitchTo(lexState);
}

/** Switch to specified lex state. */
public void SwitchTo(int lexState)
{
   if (lexState >= 1 || lexState < 0)
      throw new TokenMgrError("Error: Ignoring invalid lexical state : " + lexState + ". State unchanged.", TokenMgrError.INVALID_LEXICAL_STATE);
   else
      curLexState = lexState;
}

protected Token jjFillToken()
{
   final Token t;
   final String curTokenImage;
   final int beginLine;
   final int endLine;
   final int beginColumn;
   final int endColumn;
   String im = jjstrLiteralImages[jjmatchedKind];
   curTokenImage = (im == null) ? input_stream.GetImage() : im;
   beginLine = input_stream.getBeginLine();
   beginColumn = input_stream.getBeginColumn();
   endLine = input_stream.getEndLine();
   endColumn = input_stream.getEndColumn();
   t = Token.newToken(jjmatchedKind, curTokenImage);

   t.beginLine = beginLine;
   t.endLine = endLine;
   t.beginColumn = beginColumn;
   t.endColumn = endColumn;

   return t;
}

int curLexState = 0;
int defaultLexState = 0;
int jjnewStateCnt;
int jjround;
int jjmatchedPos;
int jjmatchedKind;

/** Get the next Token. */
public Token getNextToken() 
{
  Token matchedToken;
  int curPos = 0;

  EOFLoop :
  for (;;)
  {
   try
   {
      curChar = input_stream.BeginToken();
   }
   catch(java.io.IOException e)
   {
      jjmatchedKind = 0;
      matchedToken = jjFillToken();
      return matchedToken;
   }

   jjmatchedKind = 0x7fffffff;
   jjmatchedPos = 0;
   curPos = jjMoveStringLiteralDfa0_0();
   if (jjmatchedPos == 0 && jjmatchedKind > 18)
   {
      jjmatchedKind = 18;
   }
   if (jjmatchedKind != 0x7fffffff)
   {
      if (jjmatchedPos + 1 < curPos)
         input_stream.backup(curPos - jjmatchedPos - 1);
      if ((jjtoToken[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
      {
         matchedToken = jjFillToken();
         return matchedToken;
      }
      else
      {
         continue EOFLoop;
      }
   }
   int error_line = input_stream.getEndLine();
   int error_column = input_stream.getEndColumn();
   String error_after = null;
   boolean EOFSeen = false;
   try { input_stream.readChar(); input_stream.backup(1); }
   catch (java.io.IOException e1) {
      EOFSeen = true;
      error_after = curPos <= 1 ? "" : input_stream.GetImage();
      if (curChar == '\n' || curChar == '\r') {
         error_line++;
         error_column = 0;
      }
      else
         error_column++;
   }
   if (!EOFSeen) {
      input_stream.backup(1);
      error_after = curPos <= 1 ? "" : input_stream.GetImage();
   }
   throw new TokenMgrError(EOFSeen, curLexState, error_line, error_column, error_after, curChar, TokenMgrError.LEXICAL_ERROR);
  }
}

private void jjCheckNAdd(int state)
{
   if (jjrounds[state] != jjround)
   {
      jjstateSet[jjnewStateCnt++] = state;
      jjrounds[state] = jjround;
   }
}
private void jjAddStates(int start, int end)
{
   do {
      jjstateSet[jjnewStateCnt++] = jjnextStates[start];
   } while (start++ != end);
}
private void jjCheckNAddTwoStates(int state1, int state2)
{
   jjCheckNAdd(state1);
   jjCheckNAdd(state2);
}

}