1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/**
* @license
* Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
*
* This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt
* The complete set of authors may be found at polymer.github.io/AUTHORS.txt
* The complete set of contributors may be found at polymer.github.io/CONTRIBUTORS.txt
* Code distributed by Google as part of the polymer project is also subject to
* an additional IP rights grant found at polymer.github.io/PATENTS.txt
*/
(function(scope) {
'use strict';
function parse(stack) {
var rawLines = stack.split('\n');
var stackyLines = compact(rawLines.map(parseStackyLine));
if (stackyLines.length === rawLines.length) return stackyLines;
var v8Lines = compact(rawLines.map(parseV8Line));
if (v8Lines.length > 0) return v8Lines;
var geckoLines = compact(rawLines.map(parseGeckoLine));
if (geckoLines.length > 0) return geckoLines;
throw new Error('Unknown stack format: ' + stack);
}
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/Stack
var GECKO_LINE = /^(?:([^@]*)@)?(.*?):(\d+)(?::(\d+))?$/;
function parseGeckoLine(line) {
var match = line.match(GECKO_LINE);
if (!match) return null;
return {
method: match[1] || '',
location: match[2] || '',
line: parseInt(match[3]) || 0,
column: parseInt(match[4]) || 0,
};
}
// https://code.google.com/p/v8/wiki/JavaScriptStackTraceApi
var V8_OUTER1 = /^\s*(eval )?at (.*) \((.*)\)$/;
var V8_OUTER2 = /^\s*at()() (\S+)$/;
var V8_INNER = /^\(?([^\(]+):(\d+):(\d+)\)?$/;
function parseV8Line(line) {
var outer = line.match(V8_OUTER1) || line.match(V8_OUTER2);
if (!outer) return null;
var inner = outer[3].match(V8_INNER);
if (!inner) return null;
var method = outer[2] || '';
if (outer[1]) method = 'eval at ' + method;
return {
method: method,
location: inner[1] || '',
line: parseInt(inner[2]) || 0,
column: parseInt(inner[3]) || 0,
};
}
// Stacky.formatting.pretty
var STACKY_LINE = /^\s*(.+) at (.+):(\d+):(\d+)$/;
function parseStackyLine(line) {
var match = line.match(STACKY_LINE);
if (!match) return null;
return {
method: match[1] || '',
location: match[2] || '',
line: parseInt(match[3]) || 0,
column: parseInt(match[4]) || 0,
};
}
// Helpers
function compact(array) {
var result = [];
array.forEach(function(value) {
if (value) {
result.push(value);
}
});
return result;
}
scope.parse = parse;
scope.parseGeckoLine = parseGeckoLine;
scope.parseV8Line = parseV8Line;
scope.parseStackyLine = parseStackyLine;
})(typeof module !== 'undefined' ? module.exports : (this.Stacky = this.Stacky || {}));
|
