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143 lines (126 loc) · 4.83 KB
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(function(root, factory) {
'use strict';
// Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers.
/* istanbul ignore next */
if (typeof define === 'function' && define.amd) {
define('stackframe', [], factory);
} else if (typeof exports === 'object') {
module.exports = factory();
} else {
root.StackFrame = factory();
}
}(this, function() {
'use strict';
function _isNumber(n) {
return !isNaN(parseFloat(n)) && isFinite(n);
}
function _capitalize(str) {
return str.charAt(0).toUpperCase() + str.substring(1);
}
function _getter(p) {
return function() {
return this[p];
};
}
var booleanProps = ['isConstructor', 'isEval', 'isNative', 'isToplevel'];
var numericProps = ['columnNumber', 'lineNumber'];
var stringProps = ['fileName', 'functionName', 'source'];
var arrayProps = ['args'];
var objectProps = ['evalOrigin'];
var props = booleanProps.concat(numericProps, stringProps, arrayProps, objectProps);
function StackFrame(obj) {
if (!obj) return;
for (var i = 0; i < props.length; i++) {
if (obj[props[i]] !== undefined) {
this['set' + _capitalize(props[i])](obj[props[i]]);
}
}
}
StackFrame.prototype = {
getArgs: function() {
return this.args;
},
setArgs: function(v) {
if (Object.prototype.toString.call(v) !== '[object Array]') {
throw new TypeError('Args must be an Array');
}
this.args = v;
},
getEvalOrigin: function() {
return this.evalOrigin;
},
setEvalOrigin: function(v) {
if (v instanceof StackFrame) {
this.evalOrigin = v;
} else if (v instanceof Object) {
this.evalOrigin = new StackFrame(v);
} else {
throw new TypeError('Eval Origin must be an Object or StackFrame');
}
},
toString: function() {
var fileName = this.getFileName() || '';
var lineNumber = this.getLineNumber() || '';
var columnNumber = this.getColumnNumber() || '';
var functionName = this.getFunctionName() || '';
if (this.getIsEval()) {
if (fileName) {
return '[eval] (' + fileName + ':' + lineNumber + ':' + columnNumber + ')';
}
return '[eval]:' + lineNumber + ':' + columnNumber;
}
if (functionName) {
return functionName + ' (' + fileName + ':' + lineNumber + ':' + columnNumber + ')';
}
return fileName + ':' + lineNumber + ':' + columnNumber;
}
};
StackFrame.fromString = function StackFrame$$fromString(str) {
var argsStartIndex = str.indexOf('(');
var argsEndIndex = str.lastIndexOf(')');
var functionName = str.substring(0, argsStartIndex);
var args = str.substring(argsStartIndex + 1, argsEndIndex).split(',');
var locationString = str.substring(argsEndIndex + 1);
if (locationString.indexOf('@') === 0) {
var parts = /@(.+?)(?::(\d+))?(?::(\d+))?$/.exec(locationString, '');
var fileName = parts[1];
var lineNumber = parts[2];
var columnNumber = parts[3];
}
return new StackFrame({
functionName: functionName,
args: args || undefined,
fileName: fileName,
lineNumber: lineNumber || undefined,
columnNumber: columnNumber || undefined
});
};
for (var i = 0; i < booleanProps.length; i++) {
StackFrame.prototype['get' + _capitalize(booleanProps[i])] = _getter(booleanProps[i]);
StackFrame.prototype['set' + _capitalize(booleanProps[i])] = (function(p) {
return function(v) {
this[p] = Boolean(v);
};
})(booleanProps[i]);
}
for (var j = 0; j < numericProps.length; j++) {
StackFrame.prototype['get' + _capitalize(numericProps[j])] = _getter(numericProps[j]);
StackFrame.prototype['set' + _capitalize(numericProps[j])] = (function(p) {
return function(v) {
if (!_isNumber(v)) {
throw new TypeError(p + ' must be a Number');
}
this[p] = Number(v);
};
})(numericProps[j]);
}
for (var k = 0; k < stringProps.length; k++) {
StackFrame.prototype['get' + _capitalize(stringProps[k])] = _getter(stringProps[k]);
StackFrame.prototype['set' + _capitalize(stringProps[k])] = (function(p) {
return function(v) {
this[p] = String(v);
};
})(stringProps[k]);
}
return StackFrame;
}));