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/*
* JavaTokenMarker.java - Java token marker
* Copyright (C) 1999 Slava Pestov
* Portions copyright (C)2002-2003 Romain GUY
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.gjt.sp.jedit.syntax;
import javax.swing.text.Segment;
/**
* Java token marker.
*
* @author Slava Pestov
* @version $Id: JavaTokenMarker.java,v 1.6 2003/06/30 17:31:10 blaisorblade Exp $
*/
public class JavaTokenMarker extends CTokenMarker
{
public static final byte META_DATA = Token.INTERNAL_FIRST + 1;
public JavaTokenMarker()
{
super(false, true, getKeywords());
}
public byte markTokensImpl(byte token, Segment line, int lineIndex)
{
char[] array = line.array;
int offset = line.offset;
lastOffset = offset;
lastKeyword = offset;
lastWhitespace = offset - 1;
int length = line.count + offset;
boolean backslash = false;
loop: for (int i = offset; i < length; i++)
{
int i1 = (i + 1);
char c = array[i];
if (c == '\\')
{
backslash = !backslash;
continue;
}
switch(token)
{
case Token.NULL:
switch(c)
{
case '(':
if (backslash)
{
doKeyword(line, i, c);
backslash = false;
} else {
if (doKeyword(line, i, c))
break;
addToken(lastWhitespace - lastOffset + 1, token);
addToken(i - lastWhitespace - 1, Token.METHOD);
addToken(1, Token.NULL);
token = Token.NULL;
lastOffset = lastKeyword = i1;
lastWhitespace = i;
}
break;
case '@':
doKeyword(line, i, c);
if(backslash)
backslash = false;
else
{
addToken(i - lastOffset, token);
token = META_DATA;
lastOffset = lastKeyword = i;
}
break;
case '"':
doKeyword(line, i, c);
if(backslash)
backslash = false;
else
{
addToken(i - lastOffset, token);
token = Token.LITERAL1;
lastOffset = lastKeyword = i;
}
break;
case '\'':
doKeyword(line, i, c);
if (backslash)
backslash = false;
else
{
addToken(i - lastOffset, token);
token = Token.LITERAL2;
lastOffset = lastKeyword = i;
}
break;
case ':':
if (lastKeyword == offset)
{
if (doKeyword(line, i, c))
break;
else if (i1 < array.length && array[i1] == ':')
addToken(i1 - lastOffset, Token.NULL);
else
addToken(i1 - lastOffset, Token.LABEL);
lastOffset = lastKeyword = i1;
lastWhitespace = i1;
backslash = false;
} else if (doKeyword(line, i, c))
break;
break;
case '/':
backslash = false;
doKeyword(line, i, c);
if(length - i > 1)
{
switch(array[i1])
{
case '*':
addToken(i - lastOffset, token);
lastOffset = lastKeyword = i;
if(javadoc && length - i > 2 && array[i+2] == '*')
token = Token.COMMENT2;
else
token = Token.COMMENT1;
break;
case '/':
addToken(i - lastOffset, token);
addToken(length - i, Token.COMMENT1);
lastOffset = lastKeyword = length;
break loop;
}
}
break;
default:
backslash = false;
if (!Character.isLetterOrDigit(c) && c != '_')
doKeyword(line, i, c);
if (METHOD_DELIMITERS.indexOf(c) != -1)
{
lastWhitespace = i;
}
break;
}
break;
case META_DATA:
if (!Character.isLetterOrDigit(c) && c != '_')
{
addToken(i - lastOffset, Token.LABEL);
token = Token.NULL;
lastOffset = lastKeyword = i;
lastWhitespace = i;
}
break;
case Token.COMMENT1:
case Token.COMMENT2:
backslash = false;
if (c == '*' && length - i > 1)
{
if (array[i1] == '/')
{
i++;
addToken((i + 1) - lastOffset, token);
token = Token.NULL;
lastOffset = lastKeyword = i + 1;
lastWhitespace = i;
}
}
break;
case Token.LITERAL1:
if (backslash)
backslash = false;
else if (c == '"')
{
addToken(i1 - lastOffset, token);
token = Token.NULL;
lastOffset = lastKeyword = i1;
lastWhitespace = i;
}
break;
case Token.LITERAL2:
if (backslash)
backslash = false;
else if (c == '\'')
{
addToken(i1 - lastOffset, token);
token = Token.NULL;
lastOffset = lastKeyword = i1;
lastWhitespace = i;
}
break;
default:
throw new InternalError("Invalid state: " + token);
}
}
if (token == Token.NULL)
doKeyword(line, length, '\0');
switch(token)
{
case META_DATA:
addToken(length - lastOffset, Token.LABEL);
token = Token.NULL;
break;
case Token.LITERAL1:
case Token.LITERAL2:
addToken(length - lastOffset, Token.INVALID);
token = Token.NULL;
break;
case Token.KEYWORD2:
addToken(length - lastOffset, token);
if (!backslash)
token = Token.NULL;
default:
addToken(length - lastOffset, token);
break;
}
return token;
}
public static KeywordMap getKeywords()
{
if (javaKeywords == null)
{
javaKeywords = new KeywordMap(false);
javaKeywords.add("goto", Token.INVALID);
javaKeywords.add("const", Token.INVALID);
javaKeywords.add("package", Token.KEYWORD2);
javaKeywords.add("import", Token.KEYWORD2);
javaKeywords.add("byte", Token.KEYWORD3);
javaKeywords.add("char", Token.KEYWORD3);
javaKeywords.add("short", Token.KEYWORD3);
javaKeywords.add("int", Token.KEYWORD3);
javaKeywords.add("long", Token.KEYWORD3);
javaKeywords.add("float", Token.KEYWORD3);
javaKeywords.add("double", Token.KEYWORD3);
javaKeywords.add("boolean", Token.KEYWORD3);
javaKeywords.add("void", Token.KEYWORD3);
javaKeywords.add("enum", Token.KEYWORD3);
javaKeywords.add("class", Token.KEYWORD3);
javaKeywords.add("interface", Token.KEYWORD3);
javaKeywords.add("abstract", Token.KEYWORD1);
javaKeywords.add("assert", Token.KEYWORD1);
javaKeywords.add("final", Token.KEYWORD1);
javaKeywords.add("strictfp", Token.KEYWORD1);
javaKeywords.add("private", Token.KEYWORD1);
javaKeywords.add("protected", Token.KEYWORD1);
javaKeywords.add("public", Token.KEYWORD1);
javaKeywords.add("static", Token.KEYWORD1);
javaKeywords.add("synchronized", Token.KEYWORD1);
javaKeywords.add("native", Token.KEYWORD1);
javaKeywords.add("volatile", Token.KEYWORD1);
javaKeywords.add("transient", Token.KEYWORD1);
javaKeywords.add("break", Token.KEYWORD1);
javaKeywords.add("case", Token.KEYWORD1);
javaKeywords.add("continue", Token.KEYWORD1);
javaKeywords.add("default", Token.KEYWORD1);
javaKeywords.add("do", Token.KEYWORD1);
javaKeywords.add("else", Token.KEYWORD1);
javaKeywords.add("for", Token.KEYWORD1);
javaKeywords.add("if", Token.KEYWORD1);
javaKeywords.add("instanceof", Token.KEYWORD1);
javaKeywords.add("new", Token.KEYWORD1);
javaKeywords.add("return", Token.KEYWORD1);
javaKeywords.add("switch", Token.KEYWORD1);
javaKeywords.add("while", Token.KEYWORD1);
javaKeywords.add("throw", Token.KEYWORD1);
javaKeywords.add("try", Token.KEYWORD1);
javaKeywords.add("catch", Token.KEYWORD1);
javaKeywords.add("extends", Token.KEYWORD1);
javaKeywords.add("finally", Token.KEYWORD1);
javaKeywords.add("implements", Token.KEYWORD1);
javaKeywords.add("throws", Token.KEYWORD1);
javaKeywords.add("this", Token.LITERAL2);
javaKeywords.add("null", Token.LITERAL2);
javaKeywords.add("super", Token.LITERAL2);
javaKeywords.add("true", Token.LITERAL2);
javaKeywords.add("false", Token.LITERAL2);
}
return javaKeywords;
}
// private members
private static KeywordMap javaKeywords;
}
/*
* ChangeLog:
* $Log: JavaTokenMarker.java,v $
* Revision 1.6 2003/06/30 17:31:10 blaisorblade
* Fix for line-ends.
*
* Revision 1.5 2003/06/29 13:37:27 gfx
* Support of JDK 1.4.2
*
* Revision 1.4 2003/03/13 22:52:48 gfx
* Improved focus gain
*
* Revision 1.3 2003/01/05 00:09:37 gfx
* New strictfp keyword
*
* Revision 1.2 2001/12/01 18:54:31 gfx
* Various bug fixes
*
* Revision 1.1.1.1 2001/08/20 22:31:56 gfx
* Jext 3.0pre5
*
* Revision 1.2 2001/08/04 22:11:45 gfx
* Methods colorizing, new Python 2.2 keyword
*
* Revision 1.1.1.1 2001/04/11 14:22:32 gfx
*
* Jext 2.11: GUI customization, bug fixes
*
* Revision 1.6 2000/01/29 10:12:43 sp
* BeanShell edit mode, bug fixes
*
* Revision 1.5 1999/12/13 03:40:30 sp
* Bug fixes, syntax is now mostly GPL'd
*
* Revision 1.4 1999/11/09 10:14:34 sp
* Macro code cleanups, menu item and tool bar clicks are recorded now, delete
* word commands, check box menu item support
*
* Revision 1.3 1999/06/05 00:22:58 sp
* LGPL'd syntax package
*
* Revision 1.2 1999/04/22 06:03:26 sp
* Syntax colorizing change
*
* Revision 1.1 1999/03/13 09:11:46 sp
* Syntax code updates, code cleanups
*
*/
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