org.syntax.jedit.tokenmarker.EiffelTokenMarker Maven / Gradle / Ivy
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/*
* soapUI, copyright (C) 2004-2011 smartbear.com
*
* soapUI is free software; you can redistribute it and/or modify it under the
* terms of version 2.1 of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* soapUI 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 Lesser General Public License for more details at gnu.org.
*/
package org.syntax.jedit.tokenmarker;
import javax.swing.text.Segment;
import org.syntax.jedit.KeywordMap;
/**
* Eiffel token Marker.
*
* @author Artur Biesiadowski
*/
public class EiffelTokenMarker extends TokenMarker
{
public EiffelTokenMarker()
{
this.keywords = getKeywords();
}
public byte markTokensImpl( byte token, Segment line, int lineIndex )
{
char[] array = line.array;
int offset = line.offset;
lastOffset = offset;
lastKeyword = offset;
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 '"' :
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;
backslash = false;
addToken( i1 - lastOffset, Token.LABEL );
lastOffset = lastKeyword = i1;
}
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 );
addToken( length - i, Token.COMMENT1 );
lastOffset = lastKeyword = length;
break loop;
}
}
break;
default :
backslash = false;
if( !Character.isLetterOrDigit( c ) && c != '_' )
doKeyword( line, i, c );
break;
}
break;
case Token.COMMENT1 :
case Token.COMMENT2 :
throw new RuntimeException( "Wrong eiffel parser state" );
case Token.LITERAL1 :
if( backslash )
backslash = false;
else if( c == '"' )
{
addToken( i1 - lastOffset, token );
token = Token.NULL;
lastOffset = lastKeyword = i1;
}
break;
case Token.LITERAL2 :
if( backslash )
backslash = false;
else if( c == '\'' )
{
addToken( i1 - lastOffset, Token.LITERAL1 );
token = Token.NULL;
lastOffset = lastKeyword = i1;
}
break;
default :
throw new InternalError( "Invalid state: " + token );
}
}
if( token == Token.NULL )
doKeyword( line, length, '\0' );
switch( token )
{
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( eiffelKeywords == null )
{
eiffelKeywords = new KeywordMap( true );
eiffelKeywords.add( "alias", Token.KEYWORD1 );
eiffelKeywords.add( "all", Token.KEYWORD1 );
eiffelKeywords.add( "and", Token.KEYWORD1 );
eiffelKeywords.add( "as", Token.KEYWORD1 );
eiffelKeywords.add( "check", Token.KEYWORD1 );
eiffelKeywords.add( "class", Token.KEYWORD1 );
eiffelKeywords.add( "creation", Token.KEYWORD1 );
eiffelKeywords.add( "debug", Token.KEYWORD1 );
eiffelKeywords.add( "deferred", Token.KEYWORD1 );
eiffelKeywords.add( "do", Token.KEYWORD1 );
eiffelKeywords.add( "else", Token.KEYWORD1 );
eiffelKeywords.add( "elseif", Token.KEYWORD1 );
eiffelKeywords.add( "end", Token.KEYWORD1 );
eiffelKeywords.add( "ensure", Token.KEYWORD1 );
eiffelKeywords.add( "expanded", Token.KEYWORD1 );
eiffelKeywords.add( "export", Token.KEYWORD1 );
eiffelKeywords.add( "external", Token.KEYWORD1 );
eiffelKeywords.add( "feature", Token.KEYWORD1 );
eiffelKeywords.add( "from", Token.KEYWORD1 );
eiffelKeywords.add( "frozen", Token.KEYWORD1 );
eiffelKeywords.add( "if", Token.KEYWORD1 );
eiffelKeywords.add( "implies", Token.KEYWORD1 );
eiffelKeywords.add( "indexing", Token.KEYWORD1 );
eiffelKeywords.add( "infix", Token.KEYWORD1 );
eiffelKeywords.add( "inherit", Token.KEYWORD1 );
eiffelKeywords.add( "inspect", Token.KEYWORD1 );
eiffelKeywords.add( "invariant", Token.KEYWORD1 );
eiffelKeywords.add( "is", Token.KEYWORD1 );
eiffelKeywords.add( "like", Token.KEYWORD1 );
eiffelKeywords.add( "local", Token.KEYWORD1 );
eiffelKeywords.add( "loop", Token.KEYWORD1 );
eiffelKeywords.add( "not", Token.KEYWORD1 );
eiffelKeywords.add( "obsolete", Token.KEYWORD1 );
eiffelKeywords.add( "old", Token.KEYWORD1 );
eiffelKeywords.add( "once", Token.KEYWORD1 );
eiffelKeywords.add( "or", Token.KEYWORD1 );
eiffelKeywords.add( "prefix", Token.KEYWORD1 );
eiffelKeywords.add( "redefine", Token.KEYWORD1 );
eiffelKeywords.add( "rename", Token.KEYWORD1 );
eiffelKeywords.add( "require", Token.KEYWORD1 );
eiffelKeywords.add( "rescue", Token.KEYWORD1 );
eiffelKeywords.add( "retry", Token.KEYWORD1 );
eiffelKeywords.add( "select", Token.KEYWORD1 );
eiffelKeywords.add( "separate", Token.KEYWORD1 );
eiffelKeywords.add( "then", Token.KEYWORD1 );
eiffelKeywords.add( "undefine", Token.KEYWORD1 );
eiffelKeywords.add( "until", Token.KEYWORD1 );
eiffelKeywords.add( "variant", Token.KEYWORD1 );
eiffelKeywords.add( "when", Token.KEYWORD1 );
eiffelKeywords.add( "xor", Token.KEYWORD1 );
eiffelKeywords.add( "current", Token.LITERAL2 );
eiffelKeywords.add( "false", Token.LITERAL2 );
eiffelKeywords.add( "precursor", Token.LITERAL2 );
eiffelKeywords.add( "result", Token.LITERAL2 );
eiffelKeywords.add( "strip", Token.LITERAL2 );
eiffelKeywords.add( "true", Token.LITERAL2 );
eiffelKeywords.add( "unique", Token.LITERAL2 );
eiffelKeywords.add( "void", Token.LITERAL2 );
}
return eiffelKeywords;
}
// private members
private static KeywordMap eiffelKeywords;
private boolean cpp;
private KeywordMap keywords;
private int lastOffset;
private int lastKeyword;
private boolean doKeyword( Segment line, int i, char c )
{
int i1 = i + 1;
boolean klassname = false;
int len = i - lastKeyword;
byte id = keywords.lookup( line, lastKeyword, len );
if( id == Token.NULL )
{
klassname = true;
for( int at = lastKeyword; at < lastKeyword + len; at++ )
{
char ch = line.array[at];
if( ch != '_' && !Character.isUpperCase( ch ) )
{
klassname = false;
break;
}
}
if( klassname )
id = Token.KEYWORD3;
}
if( id != Token.NULL )
{
if( lastKeyword != lastOffset )
addToken( lastKeyword - lastOffset, Token.NULL );
addToken( len, id );
lastOffset = i;
}
lastKeyword = i1;
return false;
}
}