kcasmtokenmanager.java

来自「和picoblaze完全兼容的mcu ip core」· Java 代码 · 共 577 行 · 第 1/2 页

                  if ((jjbitVec0[i2] & l2) != 0L)
                     jjstateSet[jjnewStateCnt++] = 17;
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      if (kind != 0x7fffffff)
      {
         jjmatchedKind = kind;
         jjmatchedPos = curPos;
         kind = 0x7fffffff;
      }
      ++curPos;
      if ((i = jjnewStateCnt) == (startsAt = 22 - (jjnewStateCnt = startsAt)))
         return curPos;
      try { curChar = input_stream.readChar(); }
      catch(java.io.IOException e) { return curPos; }
   }
}
private final int jjMoveStringLiteralDfa0_1()
{
   return jjMoveNfa_1(0, 0);
}
private final int jjMoveNfa_1(int startState, int curPos)
{
   int[] nextStates;
   int startsAt = 0;
   jjnewStateCnt = 1;
   int i = 1;
   jjstateSet[0] = startState;
   int j, kind = 0x7fffffff;
   for (;;)
   {
      if (++jjround == 0x7fffffff)
         ReInitRounds();
      if (curChar < 64)
      {
         long l = 1L << curChar;
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               case 0:
                  if ((0xffffffffffffdbffL & l) == 0L)
                     break;
                  kind = 14;
                  jjstateSet[jjnewStateCnt++] = 0;
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      else if (curChar < 128)
      {
         long l = 1L << (curChar & 077);
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               case 0:
                  kind = 14;
                  jjstateSet[jjnewStateCnt++] = 0;
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      else
      {
         int i2 = (curChar & 0xff) >> 6;
         long l2 = 1L << (curChar & 077);
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               case 0:
                  if ((jjbitVec0[i2] & l2) == 0L)
                     break;
                  if (kind > 14)
                     kind = 14;
                  jjstateSet[jjnewStateCnt++] = 0;
                  break;
               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 = {
   5, 6, 20, 21, 19, 20, 21, 
};
public static final String[] jjstrLiteralImages = {
"", null, null, null, null, null, null, null, null, null, null, null, null, 
"\73", null, "\54", };
public static final String[] lexStateNames = {
   "DEFAULT", 
   "IN_COMMENT", 
};
public static final int[] jjnewLexState = {
   -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 0, -1, 
};
static final long[] jjtoToken = {
   0xfff1L, 
};
static final long[] jjtoSkip = {
   0x6L, 
};
protected SimpleCharStream input_stream;
private final int[] jjrounds = new int[22];
private final int[] jjstateSet = new int[44];
StringBuffer image;
int jjimageLen;
int lengthOfMatch;
protected char curChar;
public KCAsmTokenManager(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 KCAsmTokenManager(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 = 22; 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;
   if (jjmatchedPos < 0)
   {
      if (image == null)
         t.image = "";
      else
         t.image = image.toString();
      t.beginLine = t.endLine = input_stream.getBeginLine();
      t.beginColumn = t.endColumn = input_stream.getBeginColumn();
   }
   else
   {
      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;
   }
   image = null;
   jjimageLen = 0;

   switch(curLexState)
   {
     case 0:
       try { input_stream.backup(0);
          while (curChar <= 32 && (0x100000200L & (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 = 14;
       jjmatchedPos = -1;
       curPos = 0;
       curPos = jjMoveStringLiteralDfa0_1();
       break;
   }
     if (jjmatchedKind != 0x7fffffff)
     {
        if (jjmatchedPos + 1 < curPos)
           input_stream.backup(curPos - jjmatchedPos - 1);
        if ((jjtoToken[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
        {
           matchedToken = jjFillToken();
           TokenLexicalActions(matchedToken);
       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);
  }
}

void TokenLexicalActions(Token matchedToken)
{
   switch(jjmatchedKind)
   {
      default : 
         break;
   }
}
}