Example usage for org.eclipse.jdt.internal.compiler.parser Scanner getCurrentTokenStartPosition

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.parser Scanner getCurrentTokenStartPosition.

Prototype

public int getCurrentTokenStartPosition() 

Source Link

Usage

From source file:com.bsiag.eclipse.jdt.java.formatter.Token.java

License:Open Source License

public static Token fromCurrent(Scanner scanner, int currentToken) {
    int start = scanner.getCurrentTokenStartPosition();
    int end = scanner.getCurrentTokenEndPosition();
    if (currentToken == TokenNameCOMMENT_LINE) {
        // don't include line separator
        while (end >= start) {
            char c = scanner.source[end];
            if (c != '\r' && c != '\n')
                break;
            end--;/*from  ww  w.ja v a  2  s.  c om*/
        }
    }
    Token token = new Token(start, end, currentToken);
    return token;
}

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From source file:com.codenvy.ide.ext.java.server.internal.core.search.matching.MatchLocator.java

License:Open Source License

/**
 * Finds the accurate positions of the sequence of tokens given by qualifiedName
 * in the source and reports a reference to this parameterized type name
 * to the search requestor.//  w  w w .j  a v  a2s.c o  m
 * @since 3.1
 */
protected void reportAccurateParameterizedMethodReference(SearchMatch match, ASTNode statement,
        TypeReference[] typeArguments) throws CoreException {

    if (match.getRule() == 0)
        return;
    if (!encloses((IJavaElement) match.getElement()))
        return;

    // If there's type arguments, look for end (i.e. char '>') of last one.
    int start = match.getOffset();
    if (typeArguments != null && typeArguments.length > 0) {
        boolean isErasureMatch = (this.pattern instanceof OrPattern)
                ? ((OrPattern) this.pattern).isErasureMatch()
                : ((JavaSearchPattern) this.pattern).isErasureMatch();
        if (!isErasureMatch) {

            // Initialize scanner
            Scanner scanner = this.parser.scanner;
            char[] source = this.currentPossibleMatch.getContents();
            scanner.setSource(source);

            // Search previous opening '<'
            start = typeArguments[0].sourceStart;
            int end = statement.sourceEnd;
            scanner.resetTo(start, end);
            int lineStart = start;
            try {
                linesUp: while (true) {
                    while (scanner.source[scanner.currentPosition] != '\n') {
                        scanner.currentPosition--;
                        if (scanner.currentPosition == 0)
                            break linesUp;
                    }
                    lineStart = scanner.currentPosition + 1;
                    scanner.resetTo(lineStart, end);
                    while (!scanner.atEnd()) {
                        if (scanner.getNextToken() == TerminalTokens.TokenNameLESS) {
                            start = scanner.getCurrentTokenStartPosition();
                            break linesUp;
                        }
                    }
                    end = lineStart - 2;
                    scanner.currentPosition = end;
                }
            } catch (InvalidInputException ex) {
                // give up
            }
        }
    }

    // Report match
    match.setOffset(start);
    match.setLength(statement.sourceEnd - start + 1);
    report(match);
}

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From source file:org.eclipse.che.jdt.internal.core.search.matching.MatchLocator.java

License:Open Source License

/**
 * Finds the accurate positions of the sequence of tokens given by qualifiedName
 * in the source and reports a reference to this parameterized type name
 * to the search requestor.//from  w  w w. j  a  v  a 2s.  c o  m
 * @since 3.1
 */
protected void reportAccurateParameterizedMethodReference(SearchMatch match, ASTNode statement,
        TypeReference[] typeArguments) throws CoreException {
    if (match.getRule() == 0)
        return;
    if (!encloses((IJavaElement) match.getElement()))
        return;

    // If there's type arguments, look for end (i.e. char '>') of last one.
    int start = match.getOffset();
    if (typeArguments != null && typeArguments.length > 0) {
        boolean isErasureMatch = (this.pattern instanceof OrPattern)
                ? ((OrPattern) this.pattern).isErasureMatch()
                : ((JavaSearchPattern) this.pattern).isErasureMatch();
        if (!isErasureMatch) {

            // Initialize scanner
            Scanner scanner = this.parser.scanner;
            char[] source = this.currentPossibleMatch.getContents();
            scanner.setSource(source);

            // Search previous opening '<'
            start = typeArguments[0].sourceStart;
            int end = statement.sourceEnd;
            scanner.resetTo(start, end);
            int lineStart = start;
            try {
                linesUp: while (true) {
                    while (scanner.source[scanner.currentPosition] != '\n') {
                        scanner.currentPosition--;
                        if (scanner.currentPosition == 0)
                            break linesUp;
                    }
                    lineStart = scanner.currentPosition + 1;
                    scanner.resetTo(lineStart, end);
                    while (!scanner.atEnd()) {
                        if (scanner.getNextToken() == TerminalTokens.TokenNameLESS) {
                            start = scanner.getCurrentTokenStartPosition();
                            break linesUp;
                        }
                    }
                    end = lineStart - 2;
                    scanner.currentPosition = end;
                }
            } catch (InvalidInputException ex) {
                // give up
            }
        }
    }

    // Report match
    match.setOffset(start);
    match.setLength(statement.sourceEnd - start + 1);
    report(match);
}

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