js-analyzer/src/ast/process.js

'use strict';

const createAstWalker = require("./walker");

let processors = [
	require("./processors/add-parent"),
	require("./processors/mark-scopes"),
	require("./processors/add-variable-declarator-kind"),
	require("./processors/utility-methods"),
];

module.exports = function processAst(ast) {
	let initializedProcessors = processors.map((processor) => {
		return processor();
	});

	let walker = createAstWalker(ast);
	let finishedWalking = false;

	walker.on("enterNode", function processNode(node) {
		for (let processor of initializedProcessors) {
			if (processor.onEnter != null) {
				processor.onEnter(node);
			}
		}
	});

	walker.on("exitNode", function processNode(node) {
		for (let processor of initializedProcessors) {
			if (processor.onExit != null) {
				processor.onExit(node);
			}
		}
	});

	while (finishedWalking === false) {
		walker.step();
		finishedWalking = walker.done;
	}

	return;
};