Java Code Examples for org.antlr.runtime.Token#getCharPositionInLine()

public static void debugNodeStream(BufferedTreeNodeStream nodes, PrintStream out) {
	Iterator<Object> iterator = nodes.iterator();
	int indent = 0;
	while (iterator.hasNext()) {
		Object object = iterator.next();
		CommonTree node = (CommonTree) object;
		Token token = node.token;
		if (token != null) {
			if (token.getType() == 2) {
				++indent;
				continue;
			}
			else if (token.getType() == 3) {
				--indent;
				continue;
			}
		}
		String line =
			token == null ? "no pos" : token.getLine() + ":" + token.getCharPositionInLine();
		out.println(indent(indent) + "'" + object + "'     (" + line + ")");
	}
}
 

void setEnd( BaseDescr descr ) {
    Token last = input.LT( -1 );
    if ( descr != null && last != null ) {
        int endLocation = last.getText() != null ? last.getCharPositionInLine() + last.getText().length() - 1 : last.getCharPositionInLine();
        descr.setEndCharacter( ((CommonToken) last).getStopIndex() + 1 );
        descr.setEndLocation( last.getLine(),
                              endLocation );
    }
}
 

void setEnd( DescrBuilder< ? , ? > db ) {
    Token last = input.LT( -1 );
    if ( db != null && last != null ) {
        int endLocation = last.getText() != null ? last.getCharPositionInLine() + last.getText().length() - 1 : last.getCharPositionInLine();
        db.endCharacter( ((CommonToken) last).getStopIndex() + 1 ).endLocation( last.getLine(),
                                                                                endLocation );
    }
}
 

SemanticException(IntStream input, Token token, String errorMessage, Object... messageArguments) {
    super();
    this.input = input;
    this.token = token;
    this.index = ((CommonToken)token).getStartIndex();
    this.line = token.getLine();
 this.charPositionInLine = token.getCharPositionInLine();
    this.errorMessage = String.format(errorMessage, messageArguments);
}
 

SemanticException(IntStream input, Token token, String errorMessage, Object... messageArguments) {
    super();
    this.input = input;
    this.token = token;
    this.index = ((CommonToken)token).getStartIndex();
    this.line = token.getLine();
 this.charPositionInLine = token.getCharPositionInLine();
    this.errorMessage = String.format(errorMessage, messageArguments);
}
 

public GrammarSyntaxMessage(ErrorType etype,
							String fileName,
							Token offendingToken,
							RecognitionException antlrException,
							Object... args)
{
	super(etype, antlrException, offendingToken, args);
	this.fileName = fileName;
	this.offendingToken = offendingToken;
	if ( offendingToken!=null ) {
		line = offendingToken.getLine();
		charPosition = offendingToken.getCharPositionInLine();
	}
}
 

public GrammarSemanticsMessage(ErrorType etype,
                                 String fileName,
                                 Token offendingToken,
                                 Object... args)
  {
      super(etype,offendingToken,args);
      this.fileName = fileName;
if ( offendingToken!=null ) {
          line = offendingToken.getLine();
          charPosition = offendingToken.getCharPositionInLine();
      }
  }
 

SemanticException(IntStream input, Token token, String errorMessage, Object... messageArguments) {
    super();
    this.input = input;
    this.token = token;
    this.index = ((CommonToken)token).getStartIndex();
    this.line = token.getLine();
 this.charPositionInLine = token.getCharPositionInLine();
    this.errorMessage = String.format(errorMessage, messageArguments);
}
 

SemanticException(IntStream input, Token token, String errorMessage, Object... messageArguments) {
    super();
    this.input = input;
    this.token = token;
    this.index = ((CommonToken)token).getStartIndex();
    this.line = token.getLine();
 this.charPositionInLine = token.getCharPositionInLine();
    this.errorMessage = String.format(errorMessage, messageArguments);
}
 

/**
 * Appends a query snippet to the message to help the user to understand the problem.
 *
 * @param from the first token to include within the snippet
 * @param to the last token to include within the snippet
 * @param offending the token which is responsible for the error
 */
final void appendSnippet(StringBuilder builder,
                         Token from,
                         Token to,
                         Token offending)
{
    if (!areTokensValid(from, to, offending))
        return;

    String[] lines = query.split("\n");

    boolean includeQueryStart = (from.getLine() == 1) && (from.getCharPositionInLine() == 0);
    boolean includeQueryEnd = (to.getLine() == lines.length)
            && (getLastCharPositionInLine(to) == lines[lines.length - 1].length());

    builder.append(" (");

    if (!includeQueryStart)
        builder.append("...");

    lines[lineIndex(to)] = lines[lineIndex(to)].substring(0, getLastCharPositionInLine(to));
    lines[lineIndex(offending)] = highlightToken(lines[lineIndex(offending)], offending);
    lines[lineIndex(from)] = lines[lineIndex(from)].substring(from.getCharPositionInLine());

    for (int i = lineIndex(from), m = lineIndex(to); i <= m; i++)
        builder.append(lines[i]);

    if (!includeQueryEnd)
        builder.append("...");

    builder.append(")");
}
 

SemanticException(IntStream input, Token token, String errorMessage, Object... messageArguments) {
    super();
    this.input = input;
    this.token = token;
    this.index = ((CommonToken)token).getStartIndex();
    this.line = token.getLine();
 this.charPositionInLine = token.getCharPositionInLine();
    this.errorMessage = String.format(errorMessage, messageArguments);
}
 

protected CFParsedStatement( Token t ) {
	this(t.getLine(), t.getCharPositionInLine());
}
 

public CFParsedStatement( Token t ) {
	this(t.getLine(), t.getCharPositionInLine());
}
 

/**
 * Checks that the specified token is valid.
 *
 * @param token the token to check
 * @return <code>true</code> if it is considered as valid, <code>false</code> otherwise.
 */
private static boolean isTokenValid(Token token)
{
    return token.getLine() > 0 && token.getCharPositionInLine() >= 0;
}
 

/**
 * Returns the index of the last character relative to the beginning of the line 0..n-1
 *
 * @param token the token
 * @return the index of the last character relative to the beginning of the line 0..n-1
 */
private static int getLastCharPositionInLine(Token token)
{
    return token.getCharPositionInLine() + getLength(token);
}