Examples with FunExpr suite.jdk.gen.FunExpression.FunExpr used on opensource projects

Example 11 with FunExpr

use of suite.jdk.gen.FunExpression.FunExpr in project suite by stupidsing.

the class CompileExpressionImpl method evaluator.

public Evaluate_ evaluator(Node node) {
    FunCreator<Evaluate_> fc = FunCreator.of(Evaluate_.class, false);
    return fc.create(new Iterate<>() {

        private FunExpr env;

        public FunExpr apply(FunExpr env) {
            this.env = env;
            return compile_(node);
        }

        private FunExpr compile_(Node node) {
            return new // 
            SwitchNode<FunExpr>(// 
            node).match2(".0 + .1", (a, b) -> {
                return compileOperator(a, b, "+");
            }).match2(".0 - .1", (a, b) -> {
                return compileOperator(a, b, "-");
            }).match2(".0 * .1", (a, b) -> {
                return compileOperator(a, b, "*");
            }).match2(".0 / .1", (a, b) -> {
                return compileOperator(a, b, "/");
            }).match2(".0 and .1", (a, b) -> {
                return compileOperator(a, b, "&&");
            }).match2(".0 or .1", (a, b) -> {
                return compileOperator(a, b, "||");
            }).match2(".0 shl .1", (a, b) -> {
                return compileOperator(a, b, "<<");
            }).match2(".0 shr .1", (a, b) -> {
                return compileOperator(a, b, ">>");
            }).applyIf(Int.class, i -> {
                return f.int_(i.number);
            }).applyIf(Node.class, i -> {
                Clone_ n_ = clonerFactory.cloner(node);
                Evaluate_ evaluate = env -> TreeUtil.evaluate(n_.apply(env));
                return f.object(evaluate).invoke("evaluate", env);
            }).nonNullResult();
        }

        private FunExpr compileOperator(Node a, Node b, String op) {
            FunExpr fe0 = compile_(a);
            FunExpr fe1 = compile_(b);
            return f.bi(op, fe0, fe1);
        }
    }).apply(Map.ofEntries());
}