jhm-ciberman/docs_gm

import DocScript from "../doc_models/DocScript";
import GMLParser from "./GMLParser";
import IValidableScript from "./interfaces/IValidableScript";

/**
 * This class represents a script to be validated.
 * It contains a reference to the associated DocScript object and
 * properties with features of the GMLcode (like number of arguments, etc).
 */
export default class ValidableScript implements IValidableScript {
    /**
     * The number of arguments
     */
    public readonly argumentCount: number;

    /**
     * Does this script have optional arguments?
     */
    public readonly optionalArguments: boolean;

    /**
     * Does this script have a return statement
     */
    public readonly hasReturn: boolean;

    /**
     * The DocScript object associated to this ValidableScript
     */
    public readonly doc: DocScript;

    /**
     * Creates an instance of ValidableScript.
     * @param docScript The Associated DocScript object
     * @param gmlText The GML text of the script
     * @memberof ValidableScript
     */
    constructor(docScript: DocScript, gmlText: string) {
        this.doc = docScript;

        const parser = new GMLParser(gmlText);
        const fixedArgsN = parser.countFixedArguments();
        const optArgsN = parser.countOptionalArguments();

        this.argumentCount = Math.max(fixedArgsN, optArgsN);
        this.optionalArguments = (optArgsN !== 0);
        this.hasReturn = parser.hasReturn();
    }
}