Examples with Node org.eclipse.n4js.flowgraphs.model.Node used on opensource projects

Example 26 with Node

use of org.eclipse.n4js.flowgraphs.model.Node in project n4js by eclipse.

the class SuccessorPredecessorAnalysis method getPredecessorsSkipInternal.

/**
 * see {@link N4JSFlowAnalyser#getPredecessorsSkipInternal(ControlFlowElement)}
 */
public Set<ControlFlowElement> getPredecessorsSkipInternal(ControlFlowElement cfe) {
    NextEdgesProvider nextEdgesProvider = new NextEdgesProvider.Backward();
    Node nextNode = getNextNode(cfe, true, nextEdgesProvider);
    Set<ControlFlowElement> predecessors = getNextCFEs(nextEdgesProvider, cfe, nextNode);
    return predecessors;
}

Example 27 with Node

use of org.eclipse.n4js.flowgraphs.model.Node in project n4js by eclipse.

the class GuardStructureFactory method getCondition.

/**
 * @return the top {@link Expression} of a {@link GuardStructure}, or null.
 */
private static Expression getCondition(ControlFlowEdge edge) {
    Expression condition = null;
    Node previousNode = edge.start;
    ControlFlowElement previousCFE = previousNode.getControlFlowElement();
    if (previousCFE instanceof ConditionalExpression) {
        ConditionalExpression ce = (ConditionalExpression) previousCFE;
        condition = ce.getExpression();
    } else if (previousCFE instanceof BinaryLogicalExpression) {
        BinaryLogicalExpression ble = (BinaryLogicalExpression) previousCFE;
        condition = ble.getLhs();
    } else if (previousCFE instanceof IfStatement) {
        IfStatement is = (IfStatement) previousCFE;
        condition = is.getExpression();
    } else if (previousCFE instanceof WhileStatement) {
        WhileStatement ws = (WhileStatement) previousCFE;
        condition = ws.getExpression();
    } else if (previousCFE instanceof DoStatement) {
        DoStatement ws = (DoStatement) previousCFE;
        condition = ws.getExpression();
    } else if (previousCFE instanceof ForStatement) {
        ForStatement ws = (ForStatement) previousCFE;
        condition = ws.getExpression();
    }
    return condition;
}

Example 28 with Node

use of org.eclipse.n4js.flowgraphs.model.Node in project n4js by eclipse.

the class EdgeGuideWorklist method getAllVisitedNodes.

/**
 * @return a set of all visited nodes
 */
Set<Node> getAllVisitedNodes(ComplexNode cn, NextEdgesProvider edgeProvider) {
    Set<Node> allVisitedNodes = new HashSet<>();
    for (ControlFlowEdge edge : allVisitedEdges) {
        allVisitedNodes.add(edge.start);
        allVisitedNodes.add(edge.end);
    }
    allVisitedNodes.add(edgeProvider.getStartNode(cn));
    return allVisitedNodes;
}

Example 29 with Node

use of org.eclipse.n4js.flowgraphs.model.Node in project n4js by eclipse.

the class EdgeGuideQueue method isJoinGroup.

private boolean isJoinGroup(EdgeGuide eg1, EdgeGuide eg2) {
    Node nextN1 = eg1.getNextNode();
    Node nextN2 = eg2.getNextNode();
    boolean isJoinGroup = nextN1 == nextN2 && eg1.finallyContext.equals(eg2.finallyContext);
    return isJoinGroup;
}

Example 30 with Node

use of org.eclipse.n4js.flowgraphs.model.Node in project n4js by eclipse.

the class EdgeGuideQueue method compareASTPosition.

private static int compareASTPosition(EdgeGuide eg1, EdgeGuide eg2) {
    Node nextNode1 = eg1.getNextNode();
    Node nextNode2 = eg2.getNextNode();
    int p2 = nextNode2.astPosition;
    int p1 = nextNode1.astPosition;
    boolean isForward = eg1.edgeProvider.isForward();
    int posDiff = (isForward) ? p1 - p2 : p2 - p1;
    return posDiff;
}