#fixed code
                             protected void registerRuleOverrides(Context context, final Token functionToken) {
		final String mlText = PrecedingCommentReader.getMultiLine(context, functionToken);
		if(mlText != null && !mlText.isEmpty()){
			final Pattern pattern = Pattern.compile(".*\\s*@CFLintIgnore\\s+([\\w,_]+)\\s*.*", Pattern.DOTALL);
			final Matcher matcher = pattern.matcher(mlText);
			if (matcher.matches()) {
				String ignoreCodes = matcher.group(1);
				context.ignore(Arrays.asList(ignoreCodes.split(",\\s*")));
			}
		}
	}
#vulnerable code 
                             protected void registerRuleOverrides(Context context, final Token functionToken) {
		Iterable<Token> tokens = context.beforeTokens(functionToken);
		for (Token currentTok : tokens) {
			if (currentTok.getChannel() == Token.HIDDEN_CHANNEL && currentTok.getType() == CFSCRIPTLexer.ML_COMMENT) {
				String mlText = currentTok.getText();
				Pattern pattern = Pattern.compile(".*\\s*@CFLintIgnore\\s+([\\w,_]+)\\s*.*", Pattern.DOTALL);
				Matcher matcher = pattern.matcher(mlText);
				if (matcher.matches()) {
					String ignoreCodes = matcher.group(1);
					context.ignore(Arrays.asList(ignoreCodes.split(",\\s*")));
				}
			} else if (currentTok.getLine() < functionToken.getLine()) {
				break;
			}
		}
	} 
                            #location 4 
                            #vulnerability type NULL_DEREFERENCE