Method evaluate

src/ast.js:399–408

(scope, lookupFunctions, mustEvaluate)

  }

  evaluate(scope, lookupFunctions, mustEvaluate) {
    let func = this.func.evaluate(scope, lookupFunctions);
    if (typeof func === 'function') {
      return func.apply(null, evalList(scope, this.args, lookupFunctions));
    }
    if (!mustEvaluate && (func === null || func === undefined)) {
      return undefined;
    }
    throw new Error(`${this.func} is not a function`);
  }

  accept(visitor) {
    return visitor.visitCallFunction(this);