Examples with Tree suite.node.Tree used on opensource projects

Example 46 with Tree

use of suite.node.Tree in project suite by stupidsing.

the class TreeUtil method evaluate.

public static int evaluate(Node node) {
    Tree tree = Tree.decompose(node);
    int result;
    if (tree != null) {
        Operator op = tree.getOperator();
        IntInt_Int fun;
        int lhs, rhs;
        if (op == TermOp.TUPLE_) {
            Tree rightTree = Tree.decompose(tree.getRight());
            lhs = evaluate(tree.getLeft());
            rhs = evaluate(rightTree.getRight());
            fun = evaluateOp(rightTree.getLeft());
        } else {
            lhs = evaluate(tree.getLeft());
            rhs = evaluate(tree.getRight());
            fun = evaluateOp(op);
        }
        result = fun.apply(lhs, rhs);
    } else if (node instanceof Int)
        result = ((Int) node).number;
    else
        result = Fail.t("cannot evaluate expression: " + node);
    return result;
}

Example 47 with Tree

use of suite.node.Tree in project suite by stupidsing.

the class TreeUtil method nElements.

public static int nElements(Node node) {
    int n = 1;
    Tree tree;
    while ((tree = Tree.decompose(node, TermOp.TUPLE_)) != null) {
        node = tree.getRight();
        n++;
    }
    return n;
}