@atomist/rug/ast/AstHelper.js

TypeScript model for Atomist Rugs, see http://docs.atomist.com/

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var treeHelper = require("../tree/TreeHelper");
/**
 * Superclass for working with ASTs
 */
var AstHelper = (function () {
    function AstHelper(pexe) {
        this.pexe = pexe;
    }
    /**
     * Reparse this file, given the type and return the top level node.
     */
    AstHelper.prototype.reparseNodeUnderFile = function (languageNode, type) {
        var f = treeHelper.findAncestorWithTag(languageNode, "File");
        if (f) {
            var pathExpression = "/" + type + "()";
            var r = this.pexe.scalar(f, pathExpression);
            return r;
        }
        else {
            throw new Error("Cannot find File parent");
        }
    };
    return AstHelper;
}());
exports.AstHelper = AstHelper;