| /* |
| [The "BSD licence"] |
| Copyright (c) 2005-2008 Terence Parr |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions |
| are met: |
| 1. Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| 3. The name of the author may not be used to endorse or promote products |
| derived from this software without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.eclipse.persistence.internal.libraries.antlr.runtime; |
| |
| import java.io.Serializable; |
| |
| public class CommonToken implements Token, Serializable { |
| protected int type; |
| protected int line; |
| protected int charPositionInLine = -1; // set to invalid position |
| protected int channel=DEFAULT_CHANNEL; |
| protected transient CharStream input; |
| |
| /** We need to be able to change the text once in a while. If |
| * this is non-null, then getText should return this. Note that |
| * start/stop are not affected by changing this. |
| */ |
| protected String text; |
| |
| /** What token number is this from 0..n-1 tokens; < 0 implies invalid index */ |
| protected int index = -1; |
| |
| /** The char position into the input buffer where this token starts */ |
| protected int start; |
| |
| /** The char position into the input buffer where this token stops */ |
| protected int stop; |
| |
| public CommonToken(int type) { |
| this.type = type; |
| } |
| |
| public CommonToken(CharStream input, int type, int channel, int start, int stop) { |
| this.input = input; |
| this.type = type; |
| this.channel = channel; |
| this.start = start; |
| this.stop = stop; |
| } |
| |
| public CommonToken(int type, String text) { |
| this.type = type; |
| this.channel = DEFAULT_CHANNEL; |
| this.text = text; |
| } |
| |
| public CommonToken(Token oldToken) { |
| text = oldToken.getText(); |
| type = oldToken.getType(); |
| line = oldToken.getLine(); |
| index = oldToken.getTokenIndex(); |
| charPositionInLine = oldToken.getCharPositionInLine(); |
| channel = oldToken.getChannel(); |
| if ( oldToken instanceof CommonToken ) { |
| start = ((CommonToken)oldToken).start; |
| stop = ((CommonToken)oldToken).stop; |
| } |
| } |
| |
| public int getType() { |
| return type; |
| } |
| |
| public void setLine(int line) { |
| this.line = line; |
| } |
| |
| public String getText() { |
| if ( text!=null ) { |
| return text; |
| } |
| if ( input==null ) { |
| return null; |
| } |
| text = input.substring(start,stop); |
| return text; |
| } |
| |
| /** Override the text for this token. getText() will return this text |
| * rather than pulling from the buffer. Note that this does not mean |
| * that start/stop indexes are not valid. It means that that input |
| * was converted to a new string in the token object. |
| */ |
| public void setText(String text) { |
| this.text = text; |
| } |
| |
| public int getLine() { |
| return line; |
| } |
| |
| public int getCharPositionInLine() { |
| return charPositionInLine; |
| } |
| |
| public void setCharPositionInLine(int charPositionInLine) { |
| this.charPositionInLine = charPositionInLine; |
| } |
| |
| public int getChannel() { |
| return channel; |
| } |
| |
| public void setChannel(int channel) { |
| this.channel = channel; |
| } |
| |
| public void setType(int type) { |
| this.type = type; |
| } |
| |
| public int getStartIndex() { |
| return start; |
| } |
| |
| public void setStartIndex(int start) { |
| this.start = start; |
| } |
| |
| public int getStopIndex() { |
| return stop; |
| } |
| |
| public void setStopIndex(int stop) { |
| this.stop = stop; |
| } |
| |
| public int getTokenIndex() { |
| return index; |
| } |
| |
| public void setTokenIndex(int index) { |
| this.index = index; |
| } |
| |
| public CharStream getInputStream() { |
| return input; |
| } |
| |
| public void setInputStream(CharStream input) { |
| this.input = input; |
| } |
| |
| public String toString() { |
| String channelStr = ""; |
| if ( channel>0 ) { |
| channelStr=",channel="+channel; |
| } |
| String txt = getText(); |
| if ( txt!=null ) { |
| txt = txt.replaceAll("\n","\\\\n"); |
| txt = txt.replaceAll("\r","\\\\r"); |
| txt = txt.replaceAll("\t","\\\\t"); |
| } |
| else { |
| txt = "<no text>"; |
| } |
| return "[@"+getTokenIndex()+","+start+":"+stop+"='"+txt+"',<"+type+">"+channelStr+","+line+":"+getCharPositionInLine()+"]"; |
| } |
| } |