Example usage for org.aspectj.weaver.patterns NamePattern ELLIPSIS

Introduction

In this page you can find the example usage for org.aspectj.weaver.patterns NamePattern ELLIPSIS.

Prototype

NamePattern ELLIPSIS

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Usage

From source file:org.caesarj.compiler.aspectj.CaesarWrapperPatternParser.java

License:Open Source License

public List<NamePattern> parseDottedNamePattern() {
    List<NamePattern> names = new ArrayList<NamePattern>();
    StringBuffer buf = new StringBuffer();
    IToken previous = null;//from  w  ww .j  ava2s  .  co m
    boolean justProcessedEllipsis = false; // Remember if we just dealt with an ellipsis (PR61536)
    boolean justProcessedDot = false;
    boolean onADot = false;
    while (true) {
        IToken tok = null;
        int startPos = tokenSource.peek().getStart();
        String afterDot = null;
        while (true) {
            if (previous != null && previous.getString().equals("."))
                justProcessedDot = true;
            tok = tokenSource.peek();
            onADot = (tok.getString().equals("."));
            if (previous != null) {
                if (!isAdjacent(previous, tok))
                    break;
            }
            if (tok.getString() == "*" || tok.isIdentifier()) {
                buf.append(tok.getString());
            } else if (tok.getLiteralKind() != null) {
                //System.err.println("literal kind: " + tok.getString());
                String s = tok.getString();
                int dot = s.indexOf('.');
                if (dot != -1) {
                    buf.append(s.substring(0, dot));
                    afterDot = s.substring(dot + 1);
                    previous = tokenSource.next();
                    break;
                }
                buf.append(s); // ??? so-so
            } else {
                break;
            }
            previous = tokenSource.next();
            //XXX need to handle floats and other fun stuff
        }
        int endPos = tokenSource.peek(-1).getEnd();
        if (buf.length() == 0 && names.isEmpty()) {
            throw new ParserException("expected name pattern", tok);
        }

        if (buf.length() == 0 && justProcessedEllipsis) {
            throw new ParserException("name pattern cannot finish with ..", tok);
        }
        if (buf.length() == 0 && justProcessedDot && !onADot) {
            throw new ParserException("name pattern cannot finish with .", tok);
        }

        if (buf.length() == 0) {
            names.add(NamePattern.ELLIPSIS);
            justProcessedEllipsis = true;
        } else {
            checkLegalName(buf.toString(), previous);
            NamePattern ret = new NamePattern(buf.toString());
            ret.setLocation(sourceContext, startPos, endPos);
            names.add(ret);
            justProcessedEllipsis = false;
        }

        if (afterDot == null) {
            buf.setLength(0);
            if (!maybeEat("."))
                break;
            else
                previous = tokenSource.peek(-1);
        } else {
            buf.setLength(0);
            buf.append(afterDot);
            afterDot = null;
        }
    }
    //System.err.println("parsed: " + names);
    return names;
}

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