pkg/compiler/tool/status_files/log_parser.dart

// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

library status_files.log_parser;

import 'record.dart';

/// Extracts test records from a test.py [log].
List<Record> parse(String log) {
  var records = [];
  var suite;
  var test;
  var config;
  var expected;
  var actual;
  var reason;
  bool reproIsNext = false;
  for (var line in log.split('\n')) {
    if (line.startsWith("FAILED: ")) {
      int space = line.lastIndexOf(' ');
      test = line.substring(space + 1).trim();
      suite = '';
      var slash = test.indexOf('/');
      if (slash > 0) {
        suite = test.substring(0, slash).trim();
        test = test.substring(slash + 1).trim();
      }
      config = line
          .substring("FAILED: ".length, space)
          .replaceAll('release_ia32', '')
          .replaceAll('release_x64', '');
    }
    if (line.startsWith("Expected: ")) {
      expected = line.substring("Expected: ".length).trim();
    }
    if (line.startsWith("Actual: ")) {
      actual = line.substring("Actual: ".length).trim();
    }
    if (line.startsWith("The compiler crashed:")) {
      reason = line.substring("The compiler crashed:".length).trim();
    }
    if (reproIsNext) {
      records.add(new Record(
          suite, test, config, expected, actual, reason, line.trim()));
      suite = test = config = expected = actual = reason = null;
      reproIsNext = false;
    }
    if (line.startsWith("Short reproduction command (experimental):")) {
      reproIsNext = true;
    }
  }
  return records;
}