112 lines
2.7 KiB
JavaScript
112 lines
2.7 KiB
JavaScript
exports.get = function(belowFn) {
|
|
var oldLimit = Error.stackTraceLimit;
|
|
Error.stackTraceLimit = Infinity;
|
|
|
|
var dummyObject = {};
|
|
|
|
var v8Handler = Error.prepareStackTrace;
|
|
Error.prepareStackTrace = function(dummyObject, v8StackTrace) {
|
|
return v8StackTrace;
|
|
};
|
|
Error.captureStackTrace(dummyObject, belowFn || exports.get);
|
|
|
|
var v8StackTrace = dummyObject.stack;
|
|
Error.prepareStackTrace = v8Handler;
|
|
Error.stackTraceLimit = oldLimit;
|
|
|
|
return v8StackTrace;
|
|
};
|
|
|
|
exports.parse = function(err) {
|
|
if (!err.stack) {
|
|
return [];
|
|
}
|
|
|
|
var self = this;
|
|
var lines = err.stack.split('\n').slice(1);
|
|
|
|
return lines
|
|
.map(function(line) {
|
|
if (line.match(/^\s*[-]{4,}$/)) {
|
|
return self._createParsedCallSite({
|
|
fileName: line,
|
|
lineNumber: null,
|
|
functionName: null,
|
|
typeName: null,
|
|
methodName: null,
|
|
columnNumber: null,
|
|
'native': null,
|
|
});
|
|
}
|
|
|
|
var lineMatch = line.match(/at (?:(.+)\s+)?\(?(?:(.+?):(\d+):(\d+)|([^)]+))\)?/);
|
|
if (!lineMatch) {
|
|
return;
|
|
}
|
|
|
|
var object = null;
|
|
var method = null;
|
|
var functionName = null;
|
|
var typeName = null;
|
|
var methodName = null;
|
|
var isNative = (lineMatch[5] === 'native');
|
|
|
|
if (lineMatch[1]) {
|
|
var methodMatch = lineMatch[1].match(/([^\.]+)(?:\.(.+))?/);
|
|
object = methodMatch[1];
|
|
method = methodMatch[2];
|
|
functionName = lineMatch[1];
|
|
typeName = 'Object';
|
|
}
|
|
|
|
if (method) {
|
|
typeName = object;
|
|
methodName = method;
|
|
}
|
|
|
|
if (method === '<anonymous>') {
|
|
methodName = null;
|
|
functionName = '';
|
|
}
|
|
|
|
var properties = {
|
|
fileName: lineMatch[2] || null,
|
|
lineNumber: parseInt(lineMatch[3], 10) || null,
|
|
functionName: functionName,
|
|
typeName: typeName,
|
|
methodName: methodName,
|
|
columnNumber: parseInt(lineMatch[4], 10) || null,
|
|
'native': isNative,
|
|
};
|
|
|
|
return self._createParsedCallSite(properties);
|
|
})
|
|
.filter(function(callSite) {
|
|
return !!callSite;
|
|
});
|
|
};
|
|
|
|
exports._createParsedCallSite = function(properties) {
|
|
var methods = {};
|
|
for (var property in properties) {
|
|
var prefix = 'get';
|
|
if (property === 'native') {
|
|
prefix = 'is';
|
|
}
|
|
var method = prefix + property.substr(0, 1).toUpperCase() + property.substr(1);
|
|
|
|
(function(property) {
|
|
methods[method] = function() {
|
|
return properties[property];
|
|
}
|
|
})(property);
|
|
}
|
|
|
|
var callSite = Object.create(methods);
|
|
for (var property in properties) {
|
|
callSite[property] = properties[property];
|
|
}
|
|
|
|
return callSite;
|
|
};
|