Add command-line parser for Node.js.

http://code.google.com/p/esprima/issues/detail?id=18

Author: ariya

bin/esparse.js

@@ -0,0 +1,41 @@
+#!/usr/bin/env node
+/*
+  Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*jslint sloppy:true node:true */
+
+var fs = require('fs'),
+    esprima = require('esprima'),
+    files = process.argv.splice(2);
+
+if (files.length === 0) {
+    console.log('Usage:');
+    console.log('   esparse file.js');
+    process.exit(1);
+}
+
+files.forEach(function (filename) {
+    var content = fs.readFileSync(filename, 'utf-8');
+    console.log(JSON.stringify(esprima.parse(content), null, 4));
+});

package.json

@@ -3,6 +3,9 @@
     "description": "ECMAScript parsing infrastructure for multipurpose analysis tool",
     "homepage": "http://esprima.org",
     "main": "esprima.js",
+    "bin": {
+        "esparse": "./bin/esparse.js"
+    },
     "version": "0.0.0",
     "maintainers": [{
         "name": "Ariya Hidayat",