Add Jump

src/core/lib/FlowControl.mjs

@@ -0,0 +1,13 @@
+/**
+ * Returns the index of a label.
+ *
+ * @private
+ * @param {Object} state
+ * @param {string} name
+ * @returns {number}
+ */
+export function getLabelIndex(name, state) {
+    return state.opList.findIndex((operation) => {
+        return (operation.name === "Label") && (name === operation.ingValues[0]);
+    });
+}