elparsertokenmanager.java

java属性邦定的（JSR-295）的一个实现

                  if (kind > 10)
                     kind = 10;
                  jjCheckNAdd(17);
                  break;
               case 18:
                  if ((0x3ff000000000000L & l) != 0L)
                     jjCheckNAddTwoStates(18, 19);
                  break;
               case 20:
                  if ((0x280000000000L & l) != 0L)
                     jjCheckNAdd(21);
                  break;
               case 21:
                  if ((0x3ff000000000000L & l) == 0L)
                     break;
                  if (kind > 10)
                     kind = 10;
                  jjCheckNAdd(21);
                  break;
               case 22:
                  if (curChar == 34)
                     jjCheckNAddStates(14, 18);
                  break;
               case 23:
                  if ((0xfffffffbffffffffL & l) != 0L)
                     jjCheckNAddStates(19, 21);
                  break;
               case 25:
                  if (curChar == 34)
                     jjCheckNAddStates(19, 21);
                  break;
               case 26:
                  if (curChar == 34 && kind > 12)
                     kind = 12;
                  break;
               case 27:
                  if ((0xfffffffbffffffffL & l) != 0L)
                     jjCheckNAddTwoStates(27, 28);
                  break;
               case 29:
                  if ((0xfffffffbffffffffL & l) != 0L && kind > 13)
                     kind = 13;
                  break;
               case 30:
                  if (curChar == 39)
                     jjCheckNAddStates(9, 13);
                  break;
               case 31:
                  if ((0xffffff7fffffffffL & l) != 0L)
                     jjCheckNAddStates(22, 24);
                  break;
               case 33:
                  if (curChar == 39)
                     jjCheckNAddStates(22, 24);
                  break;
               case 34:
                  if (curChar == 39 && kind > 12)
                     kind = 12;
                  break;
               case 35:
                  if ((0xffffff7fffffffffL & l) != 0L)
                     jjCheckNAddTwoStates(35, 36);
                  break;
               case 37:
                  if ((0xffffff7fffffffffL & l) != 0L && kind > 13)
                     kind = 13;
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      else if (curChar < 128)
      {
         long l = 1L << (curChar & 077);
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               case 0:
               case 6:
                  if ((0x7fffffe87fffffeL & l) == 0L)
                     break;
                  if (kind > 53)
                     kind = 53;
                  jjCheckNAdd(6);
                  break;
               case 2:
                  if ((0x2000000020L & l) != 0L)
                     jjAddStates(25, 26);
                  break;
               case 8:
               case 9:
                  if ((0x7fffffe87fffffeL & l) == 0L)
                     break;
                  if (kind > 54)
                     kind = 54;
                  jjCheckNAdd(9);
                  break;
               case 15:
                  if ((0x2000000020L & l) != 0L)
                     jjAddStates(27, 28);
                  break;
               case 19:
                  if ((0x2000000020L & l) != 0L)
                     jjAddStates(29, 30);
                  break;
               case 23:
                  if ((0xffffffffefffffffL & l) != 0L)
                     jjCheckNAddStates(19, 21);
                  break;
               case 24:
                  if (curChar == 92)
                     jjstateSet[jjnewStateCnt++] = 25;
                  break;
               case 25:
                  if (curChar == 92)
                     jjCheckNAddStates(19, 21);
                  break;
               case 27:
                  if ((0xffffffffefffffffL & l) != 0L)
                     jjAddStates(31, 32);
                  break;
               case 28:
                  if (curChar == 92)
                     jjstateSet[jjnewStateCnt++] = 29;
                  break;
               case 29:
               case 37:
                  if ((0xffffffffefffffffL & l) != 0L && kind > 13)
                     kind = 13;
                  break;
               case 31:
                  if ((0xffffffffefffffffL & l) != 0L)
                     jjCheckNAddStates(22, 24);
                  break;
               case 32:
                  if (curChar == 92)
                     jjstateSet[jjnewStateCnt++] = 33;
                  break;
               case 33:
                  if (curChar == 92)
                     jjCheckNAddStates(22, 24);
                  break;
               case 35:
                  if ((0xffffffffefffffffL & l) != 0L)
                     jjAddStates(33, 34);
                  break;
               case 36:
                  if (curChar == 92)
                     jjstateSet[jjnewStateCnt++] = 37;
                  break;
               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])
            {
               case 0:
               case 6:
                  if (!jjCanMove_1(hiByte, i1, i2, l1, l2))
                     break;
                  if (kind > 53)
                     kind = 53;
                  jjCheckNAdd(6);
                  break;
               case 8:
               case 9:
                  if (!jjCanMove_1(hiByte, i1, i2, l1, l2))
                     break;
                  if (kind > 54)
                     kind = 54;
                  jjCheckNAdd(9);
                  break;
               case 23:
                  if (jjCanMove_0(hiByte, i1, i2, l1, l2))
                     jjAddStates(19, 21);
                  break;
               case 27:
                  if (jjCanMove_0(hiByte, i1, i2, l1, l2))
                     jjAddStates(31, 32);
                  break;
               case 29:
               case 37:
                  if (jjCanMove_0(hiByte, i1, i2, l1, l2) && kind > 13)
                     kind = 13;
                  break;
               case 31:
                  if (jjCanMove_0(hiByte, i1, i2, l1, l2))
                     jjAddStates(22, 24);
                  break;
               case 35:
                  if (jjCanMove_0(hiByte, i1, i2, l1, l2))
                     jjAddStates(33, 34);
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      if (kind != 0x7fffffff)
      {
         jjmatchedKind = kind;
         jjmatchedPos = curPos;
         kind = 0x7fffffff;
      }
      ++curPos;
      if ((i = jjnewStateCnt) == (startsAt = 38 - (jjnewStateCnt = startsAt)))
         return curPos;
      try { curChar = input_stream.readChar(); }
      catch(java.io.IOException e) { return curPos; }
   }
}
static final int[] jjnextStates = {
   0, 1, 3, 5, 11, 12, 13, 18, 19, 31, 32, 34, 35, 36, 23, 24, 
   26, 27, 28, 23, 24, 26, 31, 32, 34, 3, 4, 16, 17, 20, 21, 27, 
   28, 35, 36, 
};
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, "\44\173", "\43\173", null, null, null, null, null, null, null, null, 
null, null, "\164\162\165\145", "\146\141\154\163\145", "\156\165\154\154", "\175", 
"\56", "\50", "\51", "\133", "\135", "\72", "\54", "\76", "\147\164", "\74", 
"\154\164", "\76\75", "\147\145", "\74\75", "\154\145", "\75\75", "\145\161", "\41\75", 
"\156\145", "\41", "\156\157\164", "\46\46", "\141\156\144", "\174\174", "\157\162", 
"\145\155\160\164\171", "\151\156\163\164\141\156\143\145\157\146", "\52", "\53", "\55", "\77", "\57", 
"\144\151\166", "\45", "\155\157\144", null, null, null, null, null, null, };
public static final String[] lexStateNames = {
   "DEFAULT", 
   "IN_EXPRESSION", 
};
public static final int[] jjnewLexState = {
   -1, -1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 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, -1, -1, -1, -1, 
   -1, -1, -1, -1, -1, -1, -1, -1, -1, 
};
static final long[] jjtoToken = {
   0x47ffffffffff60fL, 
};
static final long[] jjtoSkip = {
   0x1f0L, 
};
protected SimpleCharStream input_stream;
private final int[] jjrounds = new int[38];
private final int[] jjstateSet = new int[76];
protected char curChar;
public ELParserTokenManager(SimpleCharStream stream)
{
   if (SimpleCharStream.staticFlag)
      throw new Error("ERROR: Cannot use a static CharStream class with a non-static lexical analyzer.");
   input_stream = stream;
}
public ELParserTokenManager(SimpleCharStream stream, int lexState)
{
   this(stream);
   SwitchTo(lexState);
}
public void ReInit(SimpleCharStream stream)
{
   jjmatchedPos = jjnewStateCnt = 0;
   curLexState = defaultLexState;
   input_stream = stream;
   ReInitRounds();
}
private final void ReInitRounds()
{
   int i;
   jjround = 0x80000001;
   for (i = 38; i-- > 0;)
      jjrounds[i] = 0x80000000;
}
public void ReInit(SimpleCharStream stream, int lexState)
{
   ReInit(stream);
   SwitchTo(lexState);
}
public void SwitchTo(int lexState)
{
   if (lexState >= 2 || 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();
      return matchedToken;
   }

   switch(curLexState)
   {
     case 0:
       jjmatchedKind = 0x7fffffff;
       jjmatchedPos = 0;
       curPos = jjMoveStringLiteralDfa0_0();
       break;
     case 1:
       try { input_stream.backup(0);
          while (curChar <= 32 && (0x100002600L & (1L << curChar)) != 0L)
             curChar = input_stream.BeginToken();
       }
       catch (java.io.IOException e1) { continue EOFLoop; }
       jjmatchedKind = 0x7fffffff;
       jjmatchedPos = 0;
       curPos = jjMoveStringLiteralDfa0_1();
       if (jjmatchedPos == 0 && jjmatchedKind > 58)
       {
          jjmatchedKind = 58;
       }
       break;
   }
     if (jjmatchedKind != 0x7fffffff)
     {
        if (jjmatchedPos + 1 < curPos)
           input_stream.backup(curPos - jjmatchedPos - 1);
        if ((jjtoToken[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
        {
           matchedToken = jjFillToken();
       if (jjnewLexState[jjmatchedKind] != -1)
         curLexState = jjnewLexState[jjmatchedKind];
           return matchedToken;
        }
        else
        {
         if (jjnewLexState[jjmatchedKind] != -1)
           curLexState = jjnewLexState[jjmatchedKind];
           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);
  }
}

}