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

Example 31 with ComplexNode

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

the class StandardCFEFactory method buildComplexNode.

private static ComplexNode buildComplexNode(ReentrantASTIterator astpp, ControlFlowElement cfe, boolean isRepresenting) {
    ComplexNode cNode = new ComplexNode(astpp.container(), cfe);
    HelperNode entryNode = new HelperNode(NodeNames.ENTRY, astpp.pos(), cfe);
    List<Node> argumentNodes = CFEChildren.get(astpp, cfe);
    Node exitNode;
    String extName;
    if (argumentNodes.isEmpty()) {
        entryNode = null;
        extName = NodeNames.ENTRY_EXIT;
    } else {
        extName = NodeNames.EXIT;
    }
    if (isRepresenting) {
        exitNode = new RepresentingNode(extName, astpp.pos(), cfe);
    } else {
        exitNode = new HelperNode(extName, astpp.pos(), cfe);
    }
    cNode.addNode(entryNode);
    for (Node arg : argumentNodes) cNode.addNode(arg);
    cNode.addNode(exitNode);
    List<Node> nodes = new LinkedList<>();
    nodes.add(entryNode);
    nodes.addAll(argumentNodes);
    nodes.add(exitNode);
    cNode.connectInternalSucc(nodes);
    if (argumentNodes.isEmpty()) {
        cNode.setEntryNode(exitNode);
    } else {
        cNode.setEntryNode(entryNode);
    }
    cNode.setExitNode(exitNode);
    return cNode;
}

Example 32 with ComplexNode

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

the class GraphVisitorAnalysis method forwardAnalysis.

/**
 * see {@link N4JSFlowAnalyser#accept(GraphVisitor...)}
 */
public void forwardAnalysis(FlowAnalyser[] flowAnalysers) {
    if (forwardAnalysisDone) {
        throw new IllegalStateException("Forward analysis can be performed only once.");
    }
    List<GraphVisitorInternal> graphVisitors = getGraphVisitors(flowAnalysers, TraverseDirection.Forward);
    GraphVisitorGuideInternal guide = new GraphVisitorGuideInternal(flowAnalyzer, graphVisitors);
    guide.init();
    for (ControlFlowElement container : cfg.getAllContainers()) {
        ComplexNode cnContainer = cfg.getComplexNode(container);
        guide.walkthroughForward(cnContainer);
    }
    guide.terminate();
    forwardAnalysisDone = true;
}

Example 33 with ComplexNode

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

the class VariableDeclarationFactory method buildComplexNode.

static ComplexNode buildComplexNode(ReentrantASTIterator astpp, VariableDeclaration vd) {
    ComplexNode cNode = new ComplexNode(astpp.container(), vd);
    HelperNode entryNode = new HelperNode(NodeNames.ENTRY, astpp.pos(), vd);
    Node expressionNode = null;
    if (vd.getExpression() != null) {
        expressionNode = DelegatingNodeFactory.create(astpp, NodeNames.EXPRESSION, vd, vd.getExpression());
    }
    Node exitNode = new RepresentingNode(NodeNames.EXIT, astpp.pos(), vd);
    cNode.addNode(entryNode);
    cNode.addNode(expressionNode);
    cNode.addNode(exitNode);
    List<Node> nodes = new LinkedList<>();
    nodes.add(entryNode);
    nodes.add(expressionNode);
    nodes.add(exitNode);
    cNode.connectInternalSucc(nodes);
    if (vd.eContainer() instanceof BindingElement) {
        // In this case, the expression is the default value
        // TODO: improve this: find out if this is true or false
        cNode.connectInternalSucc(entryNode, exitNode);
    }
    cNode.setEntryNode(entryNode);
    cNode.setExitNode(exitNode);
    return cNode;
}