Fix bobbylight#225: C++: line continuation char '\' should work even in EOL comments

Author: bobbylight

src/main/java/org/fife/ui/rsyntaxtextarea/modes/CPlusPlusTokenMaker.flex

@@ -145,20 +145,25 @@ import org.fife.ui.rsyntaxtextarea.*;
 	 * @return The first <code>Token</code> in a linked list representing
 	 *         the syntax highlighted text.
 	 */
+	@Override
 	public Token getTokenList(Segment text, int initialTokenType, int startOffset) {
 
 		resetTokenList();
 		this.offsetShift = -text.offset + startOffset;
 
 		// Start off in the proper state.
-		int state = Token.NULL;
+		int state = YYINITIAL;
 		switch (initialTokenType) {
+			case Token.COMMENT_EOL:
+				state = EOL_COMMENT;
+				start = text.offset;
+				break;
 			case Token.COMMENT_MULTILINE:
 				state = MLC;
 				start = text.offset;
 				break;
 			default:
-				state = Token.NULL;
+				state = YYINITIAL;
 		}
 
 		s = text;
@@ -195,7 +200,7 @@ import org.fife.ui.rsyntaxtextarea.*;
 	 *
 	 * @param reader   the new input stream 
 	 */
-	public final void yyreset(java.io.Reader reader) {
+	public final void yyreset(Reader reader) {
 		// 's' has been updated.
 		zzBuffer = s.array;
 		/*
@@ -666,10 +671,15 @@ URL						= (((https?|f(tp|ile))"://"|"www.")({URLCharacters}{URLEndCharacter})?)
 }
 
 <EOL_COMMENT> {
-	[^hwf\n]+				{}
+	[^hwf\\\n]+				{}
 	{URL}					{ int temp=zzStartRead; addToken(start,zzStartRead-1, Token.COMMENT_EOL); addHyperlinkToken(temp,zzMarkedPos-1, Token.COMMENT_EOL); start = zzMarkedPos; }
 	[hwf]					{}
-	\n						{ addToken(start,zzStartRead-1, Token.COMMENT_EOL); addNullToken(); return firstToken; }
+	\\.						{ /* Skip all escaped chars. */ }
+	\\						{ /* Line ending in '\' => continue to next line. */
+								addToken(start,zzStartRead, Token.COMMENT_EOL);
+								return firstToken;
+							}
+	\n |
 	<<EOF>>					{ addToken(start,zzStartRead-1, Token.COMMENT_EOL); addNullToken(); return firstToken; }
 
 }