GT2/GT2-iOS/node_modules/stack-trace/lib/stack-trace.js

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2018-02-12 17:26:06 +00:00
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;
};