content: /* The following code was generated by JFlex 1.4.3 on 28/01/16 11:27 */
  
  package test;
  import com.intellij.lexer.*;
  import com.intellij.psi.tree.IElementType;
  import static org.intellij.grammar.psi.BnfTypes.*;
  
  
  /**
   * This class is a scanner generated by 
   * <a href="http://www.jflex.de/">JFlex</a> 1.4.3
   * on 28/01/16 11:27 from the specification file
   * <tt>/home/abigail/code/intellij-grammar-kit-test/src/test/_GrammarLexer.flex</tt>
   */
  public class _GrammarLexer implements FlexLexer {
    /** initial size of the lookahead buffer */
    private static final int ZZ_BUFFERSIZE = 16384;
  
    /** lexical states */
    public static final int YYINITIAL = 0;
  
    /**
     * ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
     * ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
     *                  at the beginning of a line
     * l is of the form l = 2*k, k a non negative integer
     */
    private static final int ZZ_LEXSTATE[] = { 
       0, 0
    };
  
    /** 
     * Translates characters to character classes
     */
    private static final String ZZ_CMAP_PACKED = 
      "\11\0\1\1\1\1\1\0\1\1\1\1\22\0\1\1\101\0\1\13"+
      "\1\0\1\3\1\14\1\0\1\10\1\0\1\2\3\0\1\12\1\7"+
      "\3\0\1\6\1\4\1\5\1\11\uff8a\0";
  
    /** 
     * Translates characters to character classes
     */
    private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);
  
    /** 
     * Translates DFA states to action switch labels.
     */
    private static final int [] ZZ_ACTION = zzUnpackAction();
  
    private static final String ZZ_ACTION_PACKED_0 =
      "\1\0\1\1\1\2\3\1\1\3\10\0\1\4\1\5";
  
    private static int [] zzUnpackAction() {
      int [] result = new int[17];
      int offset = 0;
      offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
      return result;
    }
  
    private static int zzUnpackAction(String packed, int offset, int [] result) {
      int i = 0;       /* index in packed string  */
      int j = offset;  /* index in unpacked array */
      int l = packed.length();
      while (i < l) {
        int count = packed.charAt(i++);
        int value = packed.charAt(i++);
        do result[j++] = value; while (--count > 0);
      }
      return j;
    }
  
  
    /** 
     * Translates a state to a row index in the transition table
     */
    private static final int [] ZZ_ROWMAP = zzUnpackRowMap();
  
    private static final String ZZ_ROWMAP_PACKED_0 =
      "\0\0\0\15\0\32\0\47\0\64\0\101\0\15\0\116"+
      "\0\133\0\150\0\165\0\202\0\217\0\234\0\251\0\15"+
      "\0\15";
  
    private static int [] zzUnpackRowMap() {
      int [] result = new int[17];
      int offset = 0;
      offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
      return result;
    }
  
    private static int zzUnpackRowMap(String packed, int offset, int [] result) {
      int i = 0;  /* index in packed string  */
      int j = offset;  /* index in unpacked array */
      int l = packed.length();
      while (i < l) {
        int high = packed.charAt(i++) << 16;
        result[j++] = high | packed.charAt(i++);
      }
      return j;
    }
  
    /** 
     * The transition table of the DFA
     */
    private static final int [] ZZ_TRANS = zzUnpackTrans();
  
    private static final String ZZ_TRANS_PACKED_0 =
      "\1\2\1\3\1\4\1\2\1\5\2\2\1\6\5\2"+
      "\16\0\1\3\16\0\1\7\16\0\1\10\20\0\1\11"+
      "\11\0\1\12\20\0\1\13\4\0\1\14\25\0\1\15"+
      "\10\0\1\16\21\0\1\17\10\0\1\20\12\0\1\21"+
      "\6\0";
  
    private static int [] zzUnpackTrans() {
      int [] result = new int[182];
      int offset = 0;
      offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
      return result;
    }
  
    private static int zzUnpackTrans(String packed, int offset, int [] result) {
      int i = 0;       /* index in packed string  */
      int j = offset;  /* index in unpacked array */
      int l = packed.length();
      while (i < l) {
        int count = packed.charAt(i++);
        int value = packed.charAt(i++);
        value--;
        do result[j++] = value; while (--count > 0);
      }
      return j;
    }
  
  
    /* error codes */
    private static final int ZZ_UNKNOWN_ERROR = 0;
    private static final int ZZ_NO_MATCH = 1;
    private static final int ZZ_PUSHBACK_2BIG = 2;
    private static final char[] EMPTY_BUFFER = new char[0];
    private static final int YYEOF = -1;
    private static java.io.Reader zzReader = null; // Fake
  
    /* error messages for the codes above */
    private static final String ZZ_ERROR_MSG[] = {
      "Unkown internal scanner error",
      "Error: could not match input",
      "Error: pushback value was too large"
    };
  
    /**
     * ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code>
     */
    private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();
  
    private static final String ZZ_ATTRIBUTE_PACKED_0 =
      "\1\0\1\11\4\1\1\11\10\0\2\11";
  
    private static int [] zzUnpackAttribute() {
      int [] result = new int[17];
      int offset = 0;
      offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
      return result;
    }
  
    private static int zzUnpackAttribute(String packed, int offset, int [] result) {
      int i = 0;       /* index in packed string  */
      int j = offset;  /* index in unpacked array */
      int l = packed.length();
      while (i < l) {
        int count = packed.charAt(i++);
        int value = packed.charAt(i++);
        do result[j++] = value; while (--count > 0);
      }
      return j;
    }
  
    /** the current state of the DFA */
    private int zzState;
  
    /** the current lexical state */
    private int zzLexicalState = YYINITIAL;
  
    /** this buffer contains the current text to be matched and is
        the source of the yytext() string */
    private CharSequence zzBuffer = "";
  
    /** this buffer may contains the current text array to be matched when it is cheap to acquire it */
    private char[] zzBufferArray;
  
    /** the textposition at the last accepting state */
    private int zzMarkedPos;
  
    /** the textposition at the last state to be included in yytext */
    private int zzPushbackPos;
  
    /** the current text position in the buffer */
    private int zzCurrentPos;
  
    /** startRead marks the beginning of the yytext() string in the buffer */
    private int zzStartRead;
  
    /** endRead marks the last character in the buffer, that has been read
        from input */
    private int zzEndRead;
  
    /**
     * zzAtBOL == true <=> the scanner is currently at the beginning of a line
     */
    private boolean zzAtBOL = true;
  
    /** zzAtEOF == true <=> the scanner is at the EOF */
    private boolean zzAtEOF;
  
    /* user code: */
    public _GrammarLexer() {
      this((java.io.Reader)null);
    }
  
  
    /**
     * Creates a new scanner
     *
     * @param   in  the java.io.Reader to read input from.
     */
    public _GrammarLexer(java.io.Reader in) {
      this.zzReader = in;
    }
  
  
    /** 
     * Unpacks the compressed character translation table.
     *
     * @param packed   the packed character translation table
     * @return         the unpacked character translation table
     */
    private static char [] zzUnpackCMap(String packed) {
      char [] map = new char[0x10000];
      int i = 0;  /* index in packed string  */
      int j = 0;  /* index in unpacked array */
      while (i < 52) {
        int  count = packed.charAt(i++);
        char value = packed.charAt(i++);
        do map[j++] = value; while (--count > 0);
      }
      return map;
    }
  
    public final int getTokenStart(){
      return zzStartRead;
    }
  
    public final int getTokenEnd(){
      return getTokenStart() + yylength();
    }
  
    public void reset(CharSequence buffer, int start, int end,int initialState){
      zzBuffer = buffer;
      zzBufferArray = com.intellij.util.text.CharArrayUtil.fromSequenceWithoutCopying(buffer);
      zzCurrentPos = zzMarkedPos = zzStartRead = start;
      zzPushbackPos = 0;
      zzAtEOF  = false;
      zzAtBOL = true;
      zzEndRead = end;
      yybegin(initialState);
    }
  
    /**
     * Refills the input buffer.
     *
     * @return      <code>false</code>, iff there was new input.
     *
     * @exception   java.io.IOException  if any I/O-Error occurs
     */
    private boolean zzRefill() throws java.io.IOException {
      return true;
    }
  
  
    /**
     * Returns the current lexical state.
     */
    public final int yystate() {
      return zzLexicalState;
    }
  
  
    /**
     * Enters a new lexical state
     *
     * @param newState the new lexical state
     */
    public final void yybegin(int newState) {
      zzLexicalState = newState;
    }
  
  
    /**
     * Returns the text matched by the current regular expression.
     */
    public final CharSequence yytext() {
      return zzBuffer.subSequence(zzStartRead, zzMarkedPos);
    }
  
  
    /**
     * Returns the character at position <tt>pos</tt> from the
     * matched text.
     *
     * It is equivalent to yytext().charAt(pos), but faster
     *
     * @param pos the position of the character to fetch.
     *            A value from 0 to yylength()-1.
     *
     * @return the character at position pos
     */
    public final char yycharat(int pos) {
      return zzBufferArray != null ? zzBufferArray[zzStartRead+pos]:zzBuffer.charAt(zzStartRead+pos);
    }
  
  
    /**
     * Returns the length of the matched text region.
     */
    public final int yylength() {
      return zzMarkedPos-zzStartRead;
    }
  
  
    /**
     * Reports an error that occured while scanning.
     *
     * In a wellformed scanner (no or only correct usage of
     * yypushback(int) and a match-all fallback rule) this method
     * will only be called with things that "Can't Possibly Happen".
     * If this method is called, something is seriously wrong
     * (e.g. a JFlex bug producing a faulty scanner etc.).
     *
     * Usual syntax/scanner level error handling should be done
     * in error fallback rules.
     *
     * @param   errorCode  the code of the errormessage to display
     */
    private void zzScanError(int errorCode) {
      String message;
      try {
        message = ZZ_ERROR_MSG[errorCode];
      }
      catch (ArrayIndexOutOfBoundsException e) {
        message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
      }
  
      throw new Error(message);
    }
  
  
    /**
     * Pushes the specified amount of characters back into the input stream.
     *
     * They will be read again by then next call of the scanning method
     *
     * @param number  the number of characters to be read again.
     *                This number must not be greater than yylength()!
     */
    public void yypushback(int number)  {
      if ( number > yylength() )
        zzScanError(ZZ_PUSHBACK_2BIG);
  
      zzMarkedPos -= number;
    }
  
  
    /**
     * Resumes scanning until the next regular expression is matched,
     * the end of input is encountered or an I/O-Error occurs.
     *
     * @return      the next token
     * @exception   java.io.IOException  if any I/O-Error occurs
     */
    public IElementType advance() throws java.io.IOException {
      int zzInput;
      int zzAction;
  
      // cached fields:
      int zzCurrentPosL;
      int zzMarkedPosL;
      int zzEndReadL = zzEndRead;
      CharSequence zzBufferL = zzBuffer;
      char[] zzBufferArrayL = zzBufferArray;
      char [] zzCMapL = ZZ_CMAP;
  
      int [] zzTransL = ZZ_TRANS;
      int [] zzRowMapL = ZZ_ROWMAP;
      int [] zzAttrL = ZZ_ATTRIBUTE;
  
      while (true) {
        zzMarkedPosL = zzMarkedPos;
  
        zzAction = -1;
  
        zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
  
        zzState = ZZ_LEXSTATE[zzLexicalState];
  
  
        zzForAction: {
          while (true) {
  
            if (zzCurrentPosL < zzEndReadL)
              zzInput = (zzBufferArrayL != null ? zzBufferArrayL[zzCurrentPosL++] : zzBufferL.charAt(zzCurrentPosL++));
            else if (zzAtEOF) {
              zzInput = YYEOF;
              break zzForAction;
            }
            else {
              // store back cached positions
              zzCurrentPos  = zzCurrentPosL;
              zzMarkedPos   = zzMarkedPosL;
              boolean eof = zzRefill();
              // get translated positions and possibly new buffer
              zzCurrentPosL  = zzCurrentPos;
              zzMarkedPosL   = zzMarkedPos;
              zzBufferL      = zzBuffer;
              zzEndReadL     = zzEndRead;
              if (eof) {
                zzInput = YYEOF;
                break zzForAction;
              }
              else {
                zzInput = (zzBufferArrayL != null ? zzBufferArrayL[zzCurrentPosL++] : zzBufferL.charAt(zzCurrentPosL++));
              }
            }
            int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ];
            if (zzNext == -1) break zzForAction;
            zzState = zzNext;
  
            int zzAttributes = zzAttrL[zzState];
            if ( (zzAttributes & 1) == 1 ) {
              zzAction = zzState;
              zzMarkedPosL = zzCurrentPosL;
              if ( (zzAttributes & 8) == 8 ) break zzForAction;
            }
  
          }
        }
  
        // store back cached position
        zzMarkedPos = zzMarkedPosL;
  
        switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
          case 1: 
            { return com.intellij.psi.TokenType.BAD_CHARACTER;
            }
          case 6: break;
          case 4: 
            { return BNF_STRING;
            }
          case 7: break;
          case 5: 
            { return BNF_NUMBER;
            }
          case 8: break;
          case 3: 
            { return BNF_ID;
            }
          case 9: break;
          case 2: 
            { return com.intellij.psi.TokenType.WHITE_SPACE;
            }
          case 10: break;
          default:
            if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
              zzAtEOF = true;
              return null;
            }
            else {
              zzScanError(ZZ_NO_MATCH);
            }
        }
      }
    }
  
  
  }
  