jsgfparsertokenmanager.java

It is the Speech recognition software. It is platform independent. To execute the source code,

   int j, kind = 0x7fffffff;
   for (;;)
   {
      if (++jjround == 0x7fffffff)
         ReInitRounds();
      if (curChar < 64)
      {
         long l = 1L << curChar;
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               case 0:
                  if ((0x2400L & l) != 0L)
                  {
                     if (kind > 9)
                        kind = 9;
                  }
                  if (curChar == 13)
                     jjstateSet[jjnewStateCnt++] = 1;
                  break;
               case 1:
                  if (curChar == 10 && kind > 9)
                     kind = 9;
                  break;
               case 2:
                  if (curChar == 13)
                     jjstateSet[jjnewStateCnt++] = 1;
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      else if (curChar < 128)
      {
         long l = 1L << (curChar & 077);
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               default : break;
            }
         } while(i != startsAt);
      }
      else
      {
         int hiByte = (int)(curChar >> 8);
         int i1 = hiByte >> 6;
         long l1 = 1L << (hiByte & 077);
         int i2 = (curChar & 0xff) >> 6;
         long l2 = 1L << (curChar & 077);
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               default : break;
            }
         } while(i != startsAt);
      }
      if (kind != 0x7fffffff)
      {
         jjmatchedKind = kind;
         jjmatchedPos = curPos;
         kind = 0x7fffffff;
      }
      ++curPos;
      if ((i = jjnewStateCnt) == (startsAt = 3 - (jjnewStateCnt = startsAt)))
         return curPos;
      try { curChar = input_stream.readChar(); }
      catch(java.io.IOException e) { return curPos; }
   }
}
private final int jjMoveStringLiteralDfa0_2()
{
   switch(curChar)
   {
      case 42:
         return jjMoveStringLiteralDfa1_2(0x400L);
      default :
         return 1;
   }
}
private final int jjMoveStringLiteralDfa1_2(long active0)
{
   try { curChar = input_stream.readChar(); }
   catch(java.io.IOException e) {
      return 1;
   }
   switch(curChar)
   {
      case 47:
         if ((active0 & 0x400L) != 0L)
            return jjStopAtPos(1, 10);
         break;
      default :
         return 2;
   }
   return 2;
}
static final int[] jjnextStates = {
   20, 21, 23, 39, 40, 41, 46, 47, 50, 51, 9, 11, 13, 5, 6, 9, 
   20, 21, 25, 23, 29, 30, 32, 29, 30, 34, 32, 42, 43, 9, 50, 51, 
   9, 7, 8, 14, 15, 17, 22, 24, 26, 31, 33, 35, 44, 45, 48, 49, 
   52, 53, 
};
private static final boolean jjCanMove_0(int hiByte, int i1, int i2, long l1, long l2)
{
   switch(hiByte)
   {
      case 0:
         return ((jjbitVec2[i2] & l2) != 0L);
      default : 
         if ((jjbitVec0[i1] & l1) != 0L)
            return true;
         return false;
   }
}
private static final boolean jjCanMove_1(int hiByte, int i1, int i2, long l1, long l2)
{
   switch(hiByte)
   {
      case 0:
         return ((jjbitVec4[i2] & l2) != 0L);
      case 48:
         return ((jjbitVec5[i2] & l2) != 0L);
      case 49:
         return ((jjbitVec6[i2] & l2) != 0L);
      case 51:
         return ((jjbitVec7[i2] & l2) != 0L);
      case 61:
         return ((jjbitVec8[i2] & l2) != 0L);
      default : 
         if ((jjbitVec3[i1] & l1) != 0L)
            return true;
         return false;
   }
}
public static final String[] jjstrLiteralImages = {
"", null, null, null, null, null, null, null, null, null, null, null, null, 
"\147\162\141\155\155\141\162", "\151\155\160\157\162\164", "\160\165\142\154\151\143", null, null, null, null, 
null, null, null, null, null, null, "\73", "\126\61\56\60", "\74", "\56", "\52", 
"\76", "\75", "\174", "\57", "\53", "\50", "\51", "\133", "\135", };
public static final String[] lexStateNames = {
   "DEFAULT", 
   "IN_SINGLE_LINE_COMMENT", 
   "IN_FORMAL_COMMENT", 
   "IN_MULTI_LINE_COMMENT", 
};
public static final int[] jjnewLexState = {
   -1, -1, -1, -1, -1, -1, 1, 2, 3, 0, 0, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
   -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
};
static final long[] jjtoToken = {
   0xfffcf5e001L, 
};
static final long[] jjtoSkip = {
   0xe3eL, 
};
static final long[] jjtoSpecial = {
   0xe00L, 
};
static final long[] jjtoMore = {
   0x11c0L, 
};
protected JavaCharStream input_stream;
private final int[] jjrounds = new int[54];
private final int[] jjstateSet = new int[108];
StringBuffer image;
int jjimageLen;
int lengthOfMatch;
protected char curChar;
public JSGFParserTokenManager(JavaCharStream stream)
{
   if (JavaCharStream.staticFlag)
      throw new Error("ERROR: Cannot use a static CharStream class with a non-static lexical analyzer.");
   input_stream = stream;
}
public JSGFParserTokenManager(JavaCharStream stream, int lexState)
{
   this(stream);
   SwitchTo(lexState);
}
public void ReInit(JavaCharStream stream)
{
   jjmatchedPos = jjnewStateCnt = 0;
   curLexState = defaultLexState;
   input_stream = stream;
   ReInitRounds();
}
private final void ReInitRounds()
{
   int i;
   jjround = 0x80000001;
   for (i = 54; i-- > 0;)
      jjrounds[i] = 0x80000000;
}
public void ReInit(JavaCharStream stream, int lexState)
{
   ReInit(stream);
   SwitchTo(lexState);
}
public void SwitchTo(int lexState)
{
   if (lexState >= 4 || lexState < 0)
      throw new TokenMgrError("Error: Ignoring invalid lexical state : " + lexState + ". State unchanged.", TokenMgrError.INVALID_LEXICAL_STATE);
   else
      curLexState = lexState;
}

protected Token jjFillToken()
{
   Token t = Token.newToken(jjmatchedKind);
   t.kind = jjmatchedKind;
   String im = jjstrLiteralImages[jjmatchedKind];
   t.image = (im == null) ? input_stream.GetImage() : im;
   t.beginLine = input_stream.getBeginLine();
   t.beginColumn = input_stream.getBeginColumn();
   t.endLine = input_stream.getEndLine();
   t.endColumn = input_stream.getEndColumn();
   return t;
}

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

public Token getNextToken() 
{
  int kind;
  Token specialToken = null;
  Token matchedToken;
  int curPos = 0;

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

   for (;;)
   {
     switch(curLexState)
     {
       case 0:
         try { input_stream.backup(0);
            while (curChar <= 32 && (0x100003600L & (1L << curChar)) != 0L)
               curChar = input_stream.BeginToken();
         }
         catch (java.io.IOException e1) { continue EOFLoop; }
         jjmatchedKind = 0x7fffffff;
         jjmatchedPos = 0;
         curPos = jjMoveStringLiteralDfa0_0();
         break;
       case 1:
         jjmatchedKind = 0x7fffffff;
         jjmatchedPos = 0;
         curPos = jjMoveStringLiteralDfa0_1();
         if (jjmatchedPos == 0 && jjmatchedKind > 12)
         {
            jjmatchedKind = 12;
         }
         break;
       case 2:
         jjmatchedKind = 0x7fffffff;
         jjmatchedPos = 0;
         curPos = jjMoveStringLiteralDfa0_2();
         if (jjmatchedPos == 0 && jjmatchedKind > 12)
         {
            jjmatchedKind = 12;
         }
         break;
       case 3:
         jjmatchedKind = 0x7fffffff;
         jjmatchedPos = 0;
         curPos = jjMoveStringLiteralDfa0_3();
         if (jjmatchedPos == 0 && jjmatchedKind > 12)
         {
            jjmatchedKind = 12;
         }
         break;
     }
     if (jjmatchedKind != 0x7fffffff)
     {
        if (jjmatchedPos + 1 < curPos)
           input_stream.backup(curPos - jjmatchedPos - 1);
        if ((jjtoToken[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
        {
           matchedToken = jjFillToken();
           matchedToken.specialToken = specialToken;
       if (jjnewLexState[jjmatchedKind] != -1)
         curLexState = jjnewLexState[jjmatchedKind];
           return matchedToken;
        }
        else if ((jjtoSkip[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
        {
           if ((jjtoSpecial[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
           {
              matchedToken = jjFillToken();
              if (specialToken == null)
                 specialToken = matchedToken;
              else
              {
                 matchedToken.specialToken = specialToken;
                 specialToken = (specialToken.next = matchedToken);
              }
              SkipLexicalActions(matchedToken);
           }
           else 
              SkipLexicalActions(null);
         if (jjnewLexState[jjmatchedKind] != -1)
           curLexState = jjnewLexState[jjmatchedKind];
           continue EOFLoop;
        }
        MoreLexicalActions();
      if (jjnewLexState[jjmatchedKind] != -1)
        curLexState = jjnewLexState[jjmatchedKind];
        curPos = 0;
        jjmatchedKind = 0x7fffffff;
        try {
           curChar = input_stream.readChar();
           continue;
        }
        catch (java.io.IOException e1) { }
     }
     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);
   }
  }
}

void SkipLexicalActions(Token matchedToken)
{
   switch(jjmatchedKind)
   {
      default :
         break;
   }
}
void MoreLexicalActions()
{
   jjimageLen += (lengthOfMatch = jjmatchedPos + 1);
   switch(jjmatchedKind)
   {
      case 7 :
         if (image == null)
              image = new StringBuffer(new String(input_stream.GetSuffix(jjimageLen)));
         else
            image.append(input_stream.GetSuffix(jjimageLen));
         jjimageLen = 0;
                   input_stream.backup(1);
         break;
      default : 
         break;
   }
}
}