| |
| /** this character denotes the end of file */ |
| final public static int YYEOF = -1; |
| |
| /** lexical states */ |
| --- lexical states, charmap |
| |
| /* error codes */ |
| final private static int YY_UNKNOWN_ERROR = 0; |
| final private static int YY_ILLEGAL_STATE = 1; |
| final private static int YY_NO_MATCH = 2; |
| final private static int YY_PUSHBACK_2BIG = 3; |
| |
| /* error messages for the codes above */ |
| final private static String YY_ERROR_MSG[] = { |
| "Unkown internal scanner error", |
| "Internal error: unknown state", |
| "Error: could not match input", |
| "Error: pushback value was too large" |
| }; |
| |
| --- isFinal list |
| /** the input device */ |
| private java.io.Reader yy_reader; |
| |
| /** the current state of the DFA */ |
| private int yy_state; |
| |
| /** the current lexical state */ |
| private int yy_lexical_state = YYINITIAL; |
| |
| /** this buffer contains the current text to be matched and is |
| the source of the yytext() string */ |
| private char yy_buffer[] = new char[16384]; |
| |
| /** the textposition at the last accepting state */ |
| private int yy_markedPos; |
| |
| /** the textposition at the last state to be included in yytext */ |
| private int yy_pushbackPos; |
| |
| /** the current text position in the buffer */ |
| private int yy_currentPos; |
| |
| /** startRead marks the beginning of the yytext() string in the buffer */ |
| private int yy_startRead; |
| |
| /** endRead marks the last character in the buffer, that has been read |
| from input */ |
| private int yy_endRead; |
| |
| /** number of newlines encountered up to the start of the matched text */ |
| //private int yyline; |
| |
| /** the number of characters up to the start of the matched text */ |
| private int yychar; |
| |
| /** |
| * the number of characters from the last newline up to the start of the |
| * matched text |
| */ |
| //private int yycolumn; |
| |
| /** |
| * yy_atBOL == true <=> the scanner is currently at the beginning of a line |
| */ |
| private boolean yy_atBOL; |
| |
| /** yy_atEOF == true <=> the scanner has returned a value for EOF */ |
| private boolean yy_atEOF; |
| |
| --- user class code |
| |
| /** |
| * Creates a new scanner |
| * There is also a java.io.InputStream version of this constructor. |
| * |
| * @param in the java.io.Reader to read input from. |
| */ |
| --- constructor declaration |
| |
| |
| /** |
| * Gets the next input character. |
| * |
| * @return the next character of the input stream, EOF if the |
| * end of the stream is reached. |
| * @exception IOException if any I/O-Error occurs |
| */ |
| private int yy_advance() throws java.io.IOException { |
| |
| /* standard case */ |
| if (yy_currentPos < yy_endRead) return yy_buffer[yy_currentPos++]; |
| |
| /* if the eof is reached, we don't need to work hard */ |
| if (yy_atEOF) return YYEOF; |
| |
| /* otherwise: need to refill the buffer */ |
| |
| /* first: make room (if you can) */ |
| if (yy_startRead > 0) { |
| System.arraycopy(yy_buffer, yy_startRead, |
| yy_buffer, 0, |
| yy_endRead-yy_startRead); |
| |
| /* translate stored positions */ |
| yy_endRead-= yy_startRead; |
| yy_currentPos-= yy_startRead; |
| yy_markedPos-= yy_startRead; |
| yy_pushbackPos-= yy_startRead; |
| yy_startRead = 0; |
| } |
| |
| /* is the buffer big enough? */ |
| if (yy_currentPos >= yy_buffer.length) { |
| /* if not: blow it up */ |
| char newBuffer[] = new char[yy_currentPos*2]; |
| System.arraycopy(yy_buffer, 0, newBuffer, 0, yy_buffer.length); |
| yy_buffer = newBuffer; |
| } |
| |
| /* finally: fill the buffer with new input */ |
| int numRead = yy_reader.read(yy_buffer, yy_endRead, |
| yy_buffer.length-yy_endRead); |
| |
| if ( numRead == -1 ) return YYEOF; |
| |
| yy_endRead+= numRead; |
| |
| return yy_buffer[yy_currentPos++]; |
| } |
| |
| |
| /** |
| * Closes the input stream. |
| */ |
| final public void yyclose() throws java.io.IOException { |
| yy_atEOF = true; /* indicate end of file */ |
| yy_endRead = yy_startRead; /* invalidate buffer */ |
| yy_reader.close(); |
| } |
| |
| |
| /** |
| * Returns the current lexical state. |
| */ |
| final public int yystate() { |
| return yy_lexical_state; |
| } |
| |
| /** |
| * Enters a new lexical state |
| * |
| * @param newState the new lexical state |
| */ |
| final public void yybegin(int newState) { |
| yy_lexical_state = newState; |
| } |
| |
| |
| /** |
| * Returns the text matched by the current regular expression. |
| */ |
| final public String yytext() { |
| return new String( yy_buffer, yy_startRead, yy_markedPos-yy_startRead ); |
| } |
| |
| /** |
| * Returns the length of the matched text region. |
| */ |
| final public int yylength() { |
| return yy_markedPos-yy_startRead; |
| } |
| |
| |
| /** |
| * Reports an error that occured while scanning. |
| * |
| * @param errorCode the code of the errormessage to display |
| */ |
| private void yy_ScanError(int errorCode) { |
| try { |
| IllegalStateException ise = new IllegalStateException("Instance: " + System.identityHashCode(this) + " offset:" + yychar + " state:" + yystate()); |
| System.out.println(YY_ERROR_MSG[errorCode] + "\n" + ise); |
| throw ise; |
| } |
| catch (ArrayIndexOutOfBoundsException e) { |
| System.out.println(YY_ERROR_MSG[YY_UNKNOWN_ERROR]); |
| } |
| |
| } |
| |
| |
| /** |
| * 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()! |
| */ |
| private void yypushback(int number) { |
| if ( number > yylength() ) |
| yy_ScanError(YY_PUSHBACK_2BIG); |
| |
| yy_markedPos -= number; |
| } |
| |
| |
| --- yy_doEof |
| /** |
| * 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 IOException if any I/O-Error occurs |
| */ |
| --- yylex declaration |
| int yy_input; |
| int yy_action; |
| |
| --- local declarations |
| |
| while (true) { |
| |
| --- start admin (line, char, col count) |
| yy_action = -1; |
| |
| yy_currentPos = yy_startRead = yy_markedPos; |
| |
| --- start admin (lexstate etc) |
| |
| yy_forAction: { |
| while (true) { |
| |
| yy_input = yy_advance(); |
| |
| if ( yy_input == YYEOF ) break yy_forAction; |
| |
| --- line, col, char count, next transition, isFinal action |
| yy_action = yy_state; |
| yy_markedPos = yy_currentPos; |
| --- line count update |
| } |
| |
| } |
| } |
| |
| --- char count update |
| |
| switch (yy_action) { |
| |
| --- actions |
| default: |
| if (yy_input == YYEOF && yy_startRead == yy_currentPos) { |
| yy_atEOF = true; |
| --- eofvalue |
| } |
| else { |
| --- no match |
| } |
| } |
| } |
| } |
| |
| --- main |
| |
| } |