mirror of
https://github.com/invoiceninja/invoiceninja.git
synced 2025-10-31 08:47:30 -04:00
486 lines
19 KiB
JavaScript
486 lines
19 KiB
JavaScript
// Domain Public by Eric Wendelin http://eriwen.com/ (2008)
|
|
// Luke Smith http://lucassmith.name/ (2008)
|
|
// Loic Dachary <loic@dachary.org> (2008)
|
|
// Johan Euphrosine <proppy@aminche.com> (2008)
|
|
// Oyvind Sean Kinsey http://kinsey.no/blog (2010)
|
|
// Victor Homyakov <victor-homyakov@users.sourceforge.net> (2010)
|
|
/*global module, exports, define, ActiveXObject*/
|
|
(function(global, factory) {
|
|
if (typeof exports === 'object') {
|
|
// Node
|
|
module.exports = factory();
|
|
} else if (typeof define === 'function' && define.amd) {
|
|
// AMD
|
|
define(factory);
|
|
} else {
|
|
// Browser globals
|
|
global.printStackTrace = factory();
|
|
}
|
|
}(this, function() {
|
|
/**
|
|
* Main function giving a function stack trace with a forced or passed in Error
|
|
*
|
|
* @cfg {Error} e The error to create a stacktrace from (optional)
|
|
* @cfg {Boolean} guess If we should try to resolve the names of anonymous functions
|
|
* @return {Array} of Strings with functions, lines, files, and arguments where possible
|
|
*/
|
|
function printStackTrace(options) {
|
|
options = options || {guess: true};
|
|
var ex = options.e || null, guess = !!options.guess;
|
|
var p = new printStackTrace.implementation(), result = p.run(ex);
|
|
return (guess) ? p.guessAnonymousFunctions(result) : result;
|
|
}
|
|
|
|
printStackTrace.implementation = function() {
|
|
};
|
|
|
|
printStackTrace.implementation.prototype = {
|
|
/**
|
|
* @param {Error} [ex] The error to create a stacktrace from (optional)
|
|
* @param {String} [mode] Forced mode (optional, mostly for unit tests)
|
|
*/
|
|
run: function(ex, mode) {
|
|
ex = ex || this.createException();
|
|
mode = mode || this.mode(ex);
|
|
if (mode === 'other') {
|
|
return this.other(arguments.callee);
|
|
} else {
|
|
return this[mode](ex);
|
|
}
|
|
},
|
|
|
|
createException: function() {
|
|
try {
|
|
this.undef();
|
|
} catch (e) {
|
|
return e;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Mode could differ for different exception, e.g.
|
|
* exceptions in Chrome may or may not have arguments or stack.
|
|
*
|
|
* @return {String} mode of operation for the exception
|
|
*/
|
|
mode: function(e) {
|
|
if (e['arguments'] && e.stack) {
|
|
return 'chrome';
|
|
}
|
|
|
|
if (e.stack && e.sourceURL) {
|
|
return 'safari';
|
|
}
|
|
|
|
if (e.stack && e.number) {
|
|
return 'ie';
|
|
}
|
|
|
|
if (e.stack && e.fileName) {
|
|
return 'firefox';
|
|
}
|
|
|
|
if (e.message && e['opera#sourceloc']) {
|
|
// e.message.indexOf("Backtrace:") > -1 -> opera9
|
|
// 'opera#sourceloc' in e -> opera9, opera10a
|
|
// !e.stacktrace -> opera9
|
|
if (!e.stacktrace) {
|
|
return 'opera9'; // use e.message
|
|
}
|
|
if (e.message.indexOf('\n') > -1 && e.message.split('\n').length > e.stacktrace.split('\n').length) {
|
|
// e.message may have more stack entries than e.stacktrace
|
|
return 'opera9'; // use e.message
|
|
}
|
|
return 'opera10a'; // use e.stacktrace
|
|
}
|
|
|
|
if (e.message && e.stack && e.stacktrace) {
|
|
// e.stacktrace && e.stack -> opera10b
|
|
if (e.stacktrace.indexOf("called from line") < 0) {
|
|
return 'opera10b'; // use e.stacktrace, format differs from 'opera10a'
|
|
}
|
|
// e.stacktrace && e.stack -> opera11
|
|
return 'opera11'; // use e.stacktrace, format differs from 'opera10a', 'opera10b'
|
|
}
|
|
|
|
if (e.stack && !e.fileName) {
|
|
// Chrome 27 does not have e.arguments as earlier versions,
|
|
// but still does not have e.fileName as Firefox
|
|
return 'chrome';
|
|
}
|
|
|
|
return 'other';
|
|
},
|
|
|
|
/**
|
|
* Given a context, function name, and callback function, overwrite it so that it calls
|
|
* printStackTrace() first with a callback and then runs the rest of the body.
|
|
*
|
|
* @param {Object} context of execution (e.g. window)
|
|
* @param {String} functionName to instrument
|
|
* @param {Function} callback function to call with a stack trace on invocation
|
|
*/
|
|
instrumentFunction: function(context, functionName, callback) {
|
|
context = context || window;
|
|
var original = context[functionName];
|
|
context[functionName] = function instrumented() {
|
|
callback.call(this, printStackTrace().slice(4));
|
|
return context[functionName]._instrumented.apply(this, arguments);
|
|
};
|
|
context[functionName]._instrumented = original;
|
|
},
|
|
|
|
/**
|
|
* Given a context and function name of a function that has been
|
|
* instrumented, revert the function to it's original (non-instrumented)
|
|
* state.
|
|
*
|
|
* @param {Object} context of execution (e.g. window)
|
|
* @param {String} functionName to de-instrument
|
|
*/
|
|
deinstrumentFunction: function(context, functionName) {
|
|
if (context[functionName].constructor === Function &&
|
|
context[functionName]._instrumented &&
|
|
context[functionName]._instrumented.constructor === Function) {
|
|
context[functionName] = context[functionName]._instrumented;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Given an Error object, return a formatted Array based on Chrome's stack string.
|
|
*
|
|
* @param e - Error object to inspect
|
|
* @return Array<String> of function calls, files and line numbers
|
|
*/
|
|
chrome: function(e) {
|
|
return (e.stack + '\n')
|
|
.replace(/^[\s\S]+?\s+at\s+/, ' at ') // remove message
|
|
.replace(/^\s+(at eval )?at\s+/gm, '') // remove 'at' and indentation
|
|
.replace(/^([^\(]+?)([\n$])/gm, '{anonymous}() ($1)$2')
|
|
.replace(/^Object.<anonymous>\s*\(([^\)]+)\)/gm, '{anonymous}() ($1)')
|
|
.replace(/^(.+) \((.+)\)$/gm, '$1@$2')
|
|
.split('\n')
|
|
.slice(0, -1);
|
|
},
|
|
|
|
/**
|
|
* Given an Error object, return a formatted Array based on Safari's stack string.
|
|
*
|
|
* @param e - Error object to inspect
|
|
* @return Array<String> of function calls, files and line numbers
|
|
*/
|
|
safari: function(e) {
|
|
return e.stack.replace(/\[native code\]\n/m, '')
|
|
.replace(/^(?=\w+Error\:).*$\n/m, '')
|
|
.replace(/^@/gm, '{anonymous}()@')
|
|
.split('\n');
|
|
},
|
|
|
|
/**
|
|
* Given an Error object, return a formatted Array based on IE's stack string.
|
|
*
|
|
* @param e - Error object to inspect
|
|
* @return Array<String> of function calls, files and line numbers
|
|
*/
|
|
ie: function(e) {
|
|
return e.stack
|
|
.replace(/^\s*at\s+(.*)$/gm, '$1')
|
|
.replace(/^Anonymous function\s+/gm, '{anonymous}() ')
|
|
.replace(/^(.+)\s+\((.+)\)$/gm, '$1@$2')
|
|
.split('\n')
|
|
.slice(1);
|
|
},
|
|
|
|
/**
|
|
* Given an Error object, return a formatted Array based on Firefox's stack string.
|
|
*
|
|
* @param e - Error object to inspect
|
|
* @return Array<String> of function calls, files and line numbers
|
|
*/
|
|
firefox: function(e) {
|
|
return e.stack.replace(/(?:\n@:0)?\s+$/m, '')
|
|
.replace(/^(?:\((\S*)\))?@/gm, '{anonymous}($1)@')
|
|
.split('\n');
|
|
},
|
|
|
|
opera11: function(e) {
|
|
var ANON = '{anonymous}', lineRE = /^.*line (\d+), column (\d+)(?: in (.+))? in (\S+):$/;
|
|
var lines = e.stacktrace.split('\n'), result = [];
|
|
|
|
for (var i = 0, len = lines.length; i < len; i += 2) {
|
|
var match = lineRE.exec(lines[i]);
|
|
if (match) {
|
|
var location = match[4] + ':' + match[1] + ':' + match[2];
|
|
var fnName = match[3] || "global code";
|
|
fnName = fnName.replace(/<anonymous function: (\S+)>/, "$1").replace(/<anonymous function>/, ANON);
|
|
result.push(fnName + '@' + location + ' -- ' + lines[i + 1].replace(/^\s+/, ''));
|
|
}
|
|
}
|
|
|
|
return result;
|
|
},
|
|
|
|
opera10b: function(e) {
|
|
// "<anonymous function: run>([arguments not available])@file://localhost/G:/js/stacktrace.js:27\n" +
|
|
// "printStackTrace([arguments not available])@file://localhost/G:/js/stacktrace.js:18\n" +
|
|
// "@file://localhost/G:/js/test/functional/testcase1.html:15"
|
|
var lineRE = /^(.*)@(.+):(\d+)$/;
|
|
var lines = e.stacktrace.split('\n'), result = [];
|
|
|
|
for (var i = 0, len = lines.length; i < len; i++) {
|
|
var match = lineRE.exec(lines[i]);
|
|
if (match) {
|
|
var fnName = match[1] ? (match[1] + '()') : "global code";
|
|
result.push(fnName + '@' + match[2] + ':' + match[3]);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Given an Error object, return a formatted Array based on Opera 10's stacktrace string.
|
|
*
|
|
* @param e - Error object to inspect
|
|
* @return Array<String> of function calls, files and line numbers
|
|
*/
|
|
opera10a: function(e) {
|
|
// " Line 27 of linked script file://localhost/G:/js/stacktrace.js\n"
|
|
// " Line 11 of inline#1 script in file://localhost/G:/js/test/functional/testcase1.html: In function foo\n"
|
|
var ANON = '{anonymous}', lineRE = /Line (\d+).*script (?:in )?(\S+)(?:: In function (\S+))?$/i;
|
|
var lines = e.stacktrace.split('\n'), result = [];
|
|
|
|
for (var i = 0, len = lines.length; i < len; i += 2) {
|
|
var match = lineRE.exec(lines[i]);
|
|
if (match) {
|
|
var fnName = match[3] || ANON;
|
|
result.push(fnName + '()@' + match[2] + ':' + match[1] + ' -- ' + lines[i + 1].replace(/^\s+/, ''));
|
|
}
|
|
}
|
|
|
|
return result;
|
|
},
|
|
|
|
// Opera 7.x-9.2x only!
|
|
opera9: function(e) {
|
|
// " Line 43 of linked script file://localhost/G:/js/stacktrace.js\n"
|
|
// " Line 7 of inline#1 script in file://localhost/G:/js/test/functional/testcase1.html\n"
|
|
var ANON = '{anonymous}', lineRE = /Line (\d+).*script (?:in )?(\S+)/i;
|
|
var lines = e.message.split('\n'), result = [];
|
|
|
|
for (var i = 2, len = lines.length; i < len; i += 2) {
|
|
var match = lineRE.exec(lines[i]);
|
|
if (match) {
|
|
result.push(ANON + '()@' + match[2] + ':' + match[1] + ' -- ' + lines[i + 1].replace(/^\s+/, ''));
|
|
}
|
|
}
|
|
|
|
return result;
|
|
},
|
|
|
|
// Safari 5-, IE 9-, and others
|
|
other: function(curr) {
|
|
var ANON = '{anonymous}', fnRE = /function\s*([\w\-$]+)?\s*\(/i, stack = [], fn, args, maxStackSize = 10;
|
|
var slice = Array.prototype.slice;
|
|
while (curr && curr['arguments'] && stack.length < maxStackSize) {
|
|
fn = fnRE.test(curr.toString()) ? RegExp.$1 || ANON : ANON;
|
|
args = slice.call(curr['arguments'] || []);
|
|
stack[stack.length] = fn + '(' + this.stringifyArguments(args) + ')';
|
|
try {
|
|
curr = curr.caller;
|
|
} catch (e) {
|
|
stack[stack.length] = '' + e;
|
|
break;
|
|
}
|
|
}
|
|
return stack;
|
|
},
|
|
|
|
/**
|
|
* Given arguments array as a String, substituting type names for non-string types.
|
|
*
|
|
* @param {Arguments,Array} args
|
|
* @return {String} stringified arguments
|
|
*/
|
|
stringifyArguments: function(args) {
|
|
var result = [];
|
|
var slice = Array.prototype.slice;
|
|
for (var i = 0; i < args.length; ++i) {
|
|
var arg = args[i];
|
|
if (arg === undefined) {
|
|
result[i] = 'undefined';
|
|
} else if (arg === null) {
|
|
result[i] = 'null';
|
|
} else if (arg.constructor) {
|
|
// TODO constructor comparison does not work for iframes
|
|
if (arg.constructor === Array) {
|
|
if (arg.length < 3) {
|
|
result[i] = '[' + this.stringifyArguments(arg) + ']';
|
|
} else {
|
|
result[i] = '[' + this.stringifyArguments(slice.call(arg, 0, 1)) + '...' + this.stringifyArguments(slice.call(arg, -1)) + ']';
|
|
}
|
|
} else if (arg.constructor === Object) {
|
|
result[i] = '#object';
|
|
} else if (arg.constructor === Function) {
|
|
result[i] = '#function';
|
|
} else if (arg.constructor === String) {
|
|
result[i] = '"' + arg + '"';
|
|
} else if (arg.constructor === Number) {
|
|
result[i] = arg;
|
|
} else {
|
|
result[i] = '?';
|
|
}
|
|
}
|
|
}
|
|
return result.join(',');
|
|
},
|
|
|
|
sourceCache: {},
|
|
|
|
/**
|
|
* @return the text from a given URL
|
|
*/
|
|
ajax: function(url) {
|
|
var req = this.createXMLHTTPObject();
|
|
if (req) {
|
|
try {
|
|
req.open('GET', url, false);
|
|
//req.overrideMimeType('text/plain');
|
|
//req.overrideMimeType('text/javascript');
|
|
req.send(null);
|
|
//return req.status == 200 ? req.responseText : '';
|
|
return req.responseText;
|
|
} catch (e) {
|
|
}
|
|
}
|
|
return '';
|
|
},
|
|
|
|
/**
|
|
* Try XHR methods in order and store XHR factory.
|
|
*
|
|
* @return <Function> XHR function or equivalent
|
|
*/
|
|
createXMLHTTPObject: function() {
|
|
var xmlhttp, XMLHttpFactories = [
|
|
function() {
|
|
return new XMLHttpRequest();
|
|
}, function() {
|
|
return new ActiveXObject('Msxml2.XMLHTTP');
|
|
}, function() {
|
|
return new ActiveXObject('Msxml3.XMLHTTP');
|
|
}, function() {
|
|
return new ActiveXObject('Microsoft.XMLHTTP');
|
|
}
|
|
];
|
|
for (var i = 0; i < XMLHttpFactories.length; i++) {
|
|
try {
|
|
xmlhttp = XMLHttpFactories[i]();
|
|
// Use memoization to cache the factory
|
|
this.createXMLHTTPObject = XMLHttpFactories[i];
|
|
return xmlhttp;
|
|
} catch (e) {
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Given a URL, check if it is in the same domain (so we can get the source
|
|
* via Ajax).
|
|
*
|
|
* @param url <String> source url
|
|
* @return <Boolean> False if we need a cross-domain request
|
|
*/
|
|
isSameDomain: function(url) {
|
|
return typeof location !== "undefined" && url.indexOf(location.hostname) !== -1; // location may not be defined, e.g. when running from nodejs.
|
|
},
|
|
|
|
/**
|
|
* Get source code from given URL if in the same domain.
|
|
*
|
|
* @param url <String> JS source URL
|
|
* @return <Array> Array of source code lines
|
|
*/
|
|
getSource: function(url) {
|
|
// TODO reuse source from script tags?
|
|
if (!(url in this.sourceCache)) {
|
|
this.sourceCache[url] = this.ajax(url).split('\n');
|
|
}
|
|
return this.sourceCache[url];
|
|
},
|
|
|
|
guessAnonymousFunctions: function(stack) {
|
|
for (var i = 0; i < stack.length; ++i) {
|
|
var reStack = /\{anonymous\}\(.*\)@(.*)/,
|
|
reRef = /^(.*?)(?::(\d+))(?::(\d+))?(?: -- .+)?$/,
|
|
frame = stack[i], ref = reStack.exec(frame);
|
|
|
|
if (ref) {
|
|
var m = reRef.exec(ref[1]);
|
|
if (m) { // If falsey, we did not get any file/line information
|
|
var file = m[1], lineno = m[2], charno = m[3] || 0;
|
|
if (file && this.isSameDomain(file) && lineno) {
|
|
var functionName = this.guessAnonymousFunction(file, lineno, charno);
|
|
stack[i] = frame.replace('{anonymous}', functionName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return stack;
|
|
},
|
|
|
|
guessAnonymousFunction: function(url, lineNo, charNo) {
|
|
var ret;
|
|
try {
|
|
ret = this.findFunctionName(this.getSource(url), lineNo);
|
|
} catch (e) {
|
|
ret = 'getSource failed with url: ' + url + ', exception: ' + e.toString();
|
|
}
|
|
return ret;
|
|
},
|
|
|
|
findFunctionName: function(source, lineNo) {
|
|
// FIXME findFunctionName fails for compressed source
|
|
// (more than one function on the same line)
|
|
// function {name}({args}) m[1]=name m[2]=args
|
|
var reFunctionDeclaration = /function\s+([^(]*?)\s*\(([^)]*)\)/;
|
|
// {name} = function ({args}) TODO args capture
|
|
// /['"]?([0-9A-Za-z_]+)['"]?\s*[:=]\s*function(?:[^(]*)/
|
|
var reFunctionExpression = /['"]?([$_A-Za-z][$_A-Za-z0-9]*)['"]?\s*[:=]\s*function\b/;
|
|
// {name} = eval()
|
|
var reFunctionEvaluation = /['"]?([$_A-Za-z][$_A-Za-z0-9]*)['"]?\s*[:=]\s*(?:eval|new Function)\b/;
|
|
// Walk backwards in the source lines until we find
|
|
// the line which matches one of the patterns above
|
|
var code = "", line, maxLines = Math.min(lineNo, 20), m, commentPos;
|
|
for (var i = 0; i < maxLines; ++i) {
|
|
// lineNo is 1-based, source[] is 0-based
|
|
line = source[lineNo - i - 1];
|
|
commentPos = line.indexOf('//');
|
|
if (commentPos >= 0) {
|
|
line = line.substr(0, commentPos);
|
|
}
|
|
// TODO check other types of comments? Commented code may lead to false positive
|
|
if (line) {
|
|
code = line + code;
|
|
m = reFunctionExpression.exec(code);
|
|
if (m && m[1]) {
|
|
return m[1];
|
|
}
|
|
m = reFunctionDeclaration.exec(code);
|
|
if (m && m[1]) {
|
|
//return m[1] + "(" + (m[2] || "") + ")";
|
|
return m[1];
|
|
}
|
|
m = reFunctionEvaluation.exec(code);
|
|
if (m && m[1]) {
|
|
return m[1];
|
|
}
|
|
}
|
|
}
|
|
return '(?)';
|
|
}
|
|
};
|
|
|
|
return printStackTrace;
|
|
}));
|