Example usage for org.eclipse.jdt.internal.compiler.ast LambdaExpression arrowPosition

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.ast LambdaExpression arrowPosition.

Prototype

int arrowPosition

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Usage

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

License:Open Source License

protected void reportMatching(LambdaExpression lambdaExpression, IJavaElement parent, int accuracy,
        MatchingNodeSet nodeSet, boolean typeInHierarchy) throws CoreException {
    IJavaElement enclosingElement = null;
    // Report the lambda declaration itself.
    if (accuracy > -1) {
        enclosingElement = createHandle(lambdaExpression, parent);
        if (enclosingElement != null) { // skip if unable to find method
            // compute source positions of the selector
            int nameSourceStart = lambdaExpression.sourceStart;
            if (encloses(enclosingElement)) {
                SearchMatch match = null;
                int length = lambdaExpression.arrowPosition() + 1 - nameSourceStart;
                match = this.patternLocator.newDeclarationMatch(lambdaExpression, enclosingElement, null,
                        accuracy, length, this);
                if (match != null) {
                    report(match);/*from ww w  .  j av  a 2  s.c  o  m*/
                }
            }
        }
    }
    if (enclosingElement == null) {
        enclosingElement = createHandle(lambdaExpression, parent);
    }
    // Traverse the lambda declaration to report matches inside, these matches if any should see the present lambda as the parent
    // model element.
    ASTNode[] nodes = typeInHierarchy
            ? nodeSet.matchingNodes(lambdaExpression.sourceStart, lambdaExpression.sourceEnd)
            : null;
    boolean report = (this.matchContainer & PatternLocator.METHOD_CONTAINER) != 0 && encloses(enclosingElement);
    MemberDeclarationVisitor declarationVisitor = new MemberDeclarationVisitor(enclosingElement,
            report ? nodes : null, nodeSet, this, typeInHierarchy);

    if (lambdaExpression.arguments != null) {
        int argumentsLength = lambdaExpression.arguments.length;
        for (int i = 0; i < argumentsLength; i++)
            lambdaExpression.arguments[i].traverse(declarationVisitor, (BlockScope) null);
    }

    if (lambdaExpression.body != null) {
        lambdaExpression.body.traverse(declarationVisitor, (BlockScope) null);
    }

    // Report all nodes and remove them
    if (nodes != null) {
        int length = nodes.length;
        for (int i = 0; i < length; i++) {
            Integer level = (Integer) nodeSet.matchingNodes.removeKey(nodes[i]);
            if (report && level != null) {
                this.patternLocator.matchReportReference(nodes[i], enclosingElement,
                        declarationVisitor.getLocalElement(i), declarationVisitor.getOtherElements(i),
                        lambdaExpression.binding, level.intValue(), this);
            }
        }
    }
}

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