1// Copyright 2020 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5/**
6 * @fileoverview Collect JS nodes.
7 */
8
9const program = require('commander');
10
11const corpus = require('./corpus.js');
12const db = require('./db.js');
13const path = require('path');
14
15const sourceHelpers = require('./source_helpers.js');
16
17function main() {
18  Error.stackTraceLimit = Infinity;
19
20  program
21    .version('0.0.1')
22    .option('-i, --input_dir <path>', 'Input directory.')
23    .option('-o, --output_dir <path>', 'Output directory.')
24    .parse(process.argv);
25
26  if (!program.args.length) {
27    console.log('Need to specify corpora.');
28    return;
29  }
30
31  if (!program.output_dir) {
32    console.log('Need to specify output dir.');
33    return;
34  }
35
36  const mutateDb = new db.MutateDbWriter(program.output_dir);
37
38  const inputDir = path.resolve(program.input_dir);
39  for (const corpusName of program.args) {
40    const curCorpus = new corpus.Corpus(inputDir, corpusName);
41    for (const relPath of curCorpus.relFiles()) {
42      let source;
43      try {
44        source = sourceHelpers.loadSource(inputDir, relPath);
45      } catch (e) {
46        console.log(e);
47        continue;
48      }
49
50      if (!source) {
51        continue;
52      }
53
54      try{
55        mutateDb.process(source);
56      } catch (e) {
57        console.log(e);
58      }
59    }
60  }
61
62  mutateDb.writeIndex();
63}
64
65main();
66