1  #!/usr/bin/env node
 2  /*
 3    Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
 4  
 5    Redistribution and use in source and binary forms, with or without
 6    modification, are permitted provided that the following conditions are met:
 7  
 8      * Redistributions of source code must retain the above copyright
 9        notice, this list of conditions and the following disclaimer.
10      * Redistributions in binary form must reproduce the above copyright
11        notice, this list of conditions and the following disclaimer in the
12        documentation and/or other materials provided with the distribution.
13  
14    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17    ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
18    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25  
26  /*jslint sloppy:true node:true */
27  
28  var fs = require('fs'),
29      path = require('path'),
30      root = path.join(path.dirname(fs.realpathSync(__filename)), '..'),
31      esprima = require('esprima'),
32      escodegen = require(root),
33      optionator = require('optionator')({
34          prepend: 'Usage: escodegen [options] file...',
35          options: [
36              {
37                  option: 'config',
38                  alias: 'c',
39                  type: 'String',
40                  description: 'configuration json for escodegen'
41              }
42          ]
43      }),
44      args = optionator.parse(process.argv),
45      files = args._,
46      options,
47      esprimaOptions = {
48          raw: true,
49          tokens: true,
50          range: true,
51          comment: true
52      };
53  
54  if (files.length === 0) {
55      console.log(optionator.generateHelp());
56      process.exit(1);
57  }
58  
59  if (args.config) {
60      try {
61          options = JSON.parse(fs.readFileSync(args.config, 'utf-8'));
62      } catch (err) {
63          console.error('Error parsing config: ', err);
64      }
65  }
66  
67  files.forEach(function (filename) {
68      var content = fs.readFileSync(filename, 'utf-8'),
69          syntax = esprima.parse(content, esprimaOptions);
70  
71      if (options.comment) {
72          escodegen.attachComments(syntax, syntax.comments, syntax.tokens);
73      }
74  
75      console.log(escodegen.generate(syntax, options));
76  });
77  /* vim: set sw=4 ts=4 et tw=80 : */