mirror of
https://github.com/tc39/test262.git
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779 lines
26 KiB
JavaScript
779 lines
26 KiB
JavaScript
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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function MjsUnitAssertionError(message) {
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this.message = message;
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// Temporarily install a custom stack trace formatter and restore the
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// previous value.
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let prevPrepareStackTrace = Error.prepareStackTrace;
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try {
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Error.prepareStackTrace = MjsUnitAssertionError.prepareStackTrace;
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// This allows fetching the stack trace using TryCatch::StackTrace.
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this.stack = new Error("MjsUnitAssertionError").stack;
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} finally {
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Error.prepareStackTrace = prevPrepareStackTrace;
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}
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}
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/*
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* This file is included in all mini jsunit test cases. The test
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* framework expects lines that signal failed tests to start with
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* the f-word and ignore all other lines.
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*/
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MjsUnitAssertionError.prototype.toString = function () {
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return this.message + "\n\nStack: " + this.stack;
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};
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// Expected and found values the same objects, or the same primitive
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// values.
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// For known primitive values, please use assertEquals.
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var assertSame;
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// Inverse of assertSame.
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var assertNotSame;
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// Expected and found values are identical primitive values or functions
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// or similarly structured objects (checking internal properties
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// of, e.g., Number and Date objects, the elements of arrays
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// and the properties of non-Array objects).
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var assertEquals;
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// Deep equality predicate used by assertEquals.
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var deepEquals;
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// Expected and found values are not identical primitive values or functions
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// or similarly structured objects (checking internal properties
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// of, e.g., Number and Date objects, the elements of arrays
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// and the properties of non-Array objects).
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var assertNotEquals;
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// The difference between expected and found value is within certain tolerance.
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var assertEqualsDelta;
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// The found object is an Array with the same length and elements
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// as the expected object. The expected object doesn't need to be an Array,
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// as long as it's "array-ish".
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var assertArrayEquals;
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// The found object must have the same enumerable properties as the
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// expected object. The type of object isn't checked.
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var assertPropertiesEqual;
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// Assert that the string conversion of the found value is equal to
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// the expected string. Only kept for backwards compatibility, please
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// check the real structure of the found value.
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var assertToStringEquals;
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// Checks that the found value is true. Use with boolean expressions
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// for tests that doesn't have their own assertXXX function.
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var assertTrue;
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// Checks that the found value is false.
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var assertFalse;
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// Checks that the found value is null. Kept for historical compatibility,
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// please just use assertEquals(null, expected).
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var assertNull;
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// Checks that the found value is *not* null.
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var assertNotNull;
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// Assert that the passed function or eval code throws an exception.
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// The optional second argument is an exception constructor that the
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// thrown exception is checked against with "instanceof".
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// The optional third argument is a message type string that is compared
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// to the type property on the thrown exception.
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var assertThrows;
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// Assert that the passed function throws an exception.
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// The exception is checked against the second argument using assertEquals.
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var assertThrowsEquals;
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// Assert that the passed function or eval code does not throw an exception.
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var assertDoesNotThrow;
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// Asserts that the found value is an instance of the constructor passed
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// as the second argument.
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var assertInstanceof;
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// Assert that this code is never executed (i.e., always fails if executed).
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var assertUnreachable;
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// Assert that the function code is (not) optimized. If "no sync" is passed
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// as second argument, we do not wait for the concurrent optimization thread to
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// finish when polling for optimization status.
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// Only works with --allow-natives-syntax.
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var assertOptimized;
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var assertUnoptimized;
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// Assert that a string contains another expected substring.
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var assertContains;
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// Assert that a string matches a given regex.
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var assertMatches;
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// Assert that a promise resolves or rejects.
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// Parameters:
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// {promise} - the promise
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// {success} - optional - a callback which is called with the result of the
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// resolving promise.
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// {fail} - optional - a callback which is called with the result of the
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// rejecting promise. If the promise is rejected but no {fail}
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// callback is set, the error is propagated out of the promise
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// chain.
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var assertPromiseResult;
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var promiseTestChain;
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var promiseTestCount = 0;
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// These bits must be in sync with bits defined in Runtime_GetOptimizationStatus
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var V8OptimizationStatus = {
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kIsFunction: 1 << 0,
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kNeverOptimize: 1 << 1,
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kAlwaysOptimize: 1 << 2,
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kMaybeDeopted: 1 << 3,
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kOptimized: 1 << 4,
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kTurboFanned: 1 << 5,
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kInterpreted: 1 << 6,
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kMarkedForOptimization: 1 << 7,
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kMarkedForConcurrentOptimization: 1 << 8,
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kOptimizingConcurrently: 1 << 9,
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kIsExecuting: 1 << 10,
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kTopmostFrameIsTurboFanned: 1 << 11,
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kLiteMode: 1 << 12,
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};
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// Returns true if --lite-mode is on and we can't ever turn on optimization.
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var isNeverOptimizeLiteMode;
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// Returns true if --no-opt mode is on.
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var isNeverOptimize;
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// Returns true if --always-opt mode is on.
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var isAlwaysOptimize;
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// Returns true if given function in interpreted.
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var isInterpreted;
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// Returns true if given function is optimized.
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var isOptimized;
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// Returns true if given function is compiled by TurboFan.
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var isTurboFanned;
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// Monkey-patchable all-purpose failure handler.
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var failWithMessage;
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// Returns the formatted failure text. Used by test-async.js.
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var formatFailureText;
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// Returns a pretty-printed string representation of the passed value.
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var prettyPrinted;
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(function () { // Scope for utility functions.
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var ObjectPrototypeToString = Object.prototype.toString;
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var NumberPrototypeValueOf = Number.prototype.valueOf;
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var BooleanPrototypeValueOf = Boolean.prototype.valueOf;
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var StringPrototypeValueOf = String.prototype.valueOf;
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var DatePrototypeValueOf = Date.prototype.valueOf;
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var RegExpPrototypeToString = RegExp.prototype.toString;
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var ArrayPrototypeForEach = Array.prototype.forEach;
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var ArrayPrototypeJoin = Array.prototype.join;
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var ArrayPrototypeMap = Array.prototype.map;
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var ArrayPrototypePush = Array.prototype.push;
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var BigIntPrototypeValueOf;
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// TODO(neis): Remove try-catch once BigInts are enabled by default.
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try {
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BigIntPrototypeValueOf = BigInt.prototype.valueOf;
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} catch(e) {}
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function classOf(object) {
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// Argument must not be null or undefined.
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var string = ObjectPrototypeToString.call(object);
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// String has format [object <ClassName>].
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return string.substring(8, string.length - 1);
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}
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function ValueOf(value) {
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switch (classOf(value)) {
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case "Number":
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return NumberPrototypeValueOf.call(value);
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case "BigInt":
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return BigIntPrototypeValueOf.call(value);
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case "String":
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return StringPrototypeValueOf.call(value);
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case "Boolean":
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return BooleanPrototypeValueOf.call(value);
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case "Date":
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return DatePrototypeValueOf.call(value);
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default:
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return value;
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}
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}
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prettyPrinted = function prettyPrinted(value) {
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switch (typeof value) {
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case "string":
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return JSON.stringify(value);
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case "bigint":
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return String(value) + "n";
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case "number":
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if (value === 0 && (1 / value) < 0) return "-0";
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// FALLTHROUGH.
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case "boolean":
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case "undefined":
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case "function":
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case "symbol":
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return String(value);
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case "object":
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if (value === null) return "null";
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var objectClass = classOf(value);
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switch (objectClass) {
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case "Number":
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case "BigInt":
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case "String":
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case "Boolean":
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case "Date":
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return objectClass + "(" + prettyPrinted(ValueOf(value)) + ")";
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case "RegExp":
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return RegExpPrototypeToString.call(value);
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case "Array":
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var mapped = ArrayPrototypeMap.call(
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value, prettyPrintedArrayElement);
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var joined = ArrayPrototypeJoin.call(mapped, ",");
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return "[" + joined + "]";
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case "Uint8Array":
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case "Int8Array":
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case "Int16Array":
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case "Uint16Array":
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case "Uint32Array":
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case "Int32Array":
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case "Float32Array":
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case "Float64Array":
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var joined = ArrayPrototypeJoin.call(value, ",");
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return objectClass + "([" + joined + "])";
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case "Object":
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break;
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default:
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return objectClass + "(" + String(value) + ")";
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}
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// [[Class]] is "Object".
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var name = value.constructor.name;
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if (name) return name + "()";
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return "Object()";
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default:
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return "-- unknown value --";
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}
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}
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function prettyPrintedArrayElement(value, index, array) {
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if (value === undefined && !(index in array)) return "";
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return prettyPrinted(value);
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}
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failWithMessage = function failWithMessage(message) {
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throw new MjsUnitAssertionError(message);
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}
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formatFailureText = function(expectedText, found, name_opt) {
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var message = "Fail" + "ure";
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if (name_opt) {
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// Fix this when we ditch the old test runner.
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message += " (" + name_opt + ")";
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}
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var foundText = prettyPrinted(found);
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if (expectedText.length <= 40 && foundText.length <= 40) {
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message += ": expected <" + expectedText + "> found <" + foundText + ">";
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} else {
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message += ":\nexpected:\n" + expectedText + "\nfound:\n" + foundText;
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}
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return message;
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}
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function fail(expectedText, found, name_opt) {
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return failWithMessage(formatFailureText(expectedText, found, name_opt));
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}
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function deepObjectEquals(a, b) {
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var aProps = Object.keys(a);
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aProps.sort();
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var bProps = Object.keys(b);
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bProps.sort();
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if (!deepEquals(aProps, bProps)) {
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return false;
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}
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for (var i = 0; i < aProps.length; i++) {
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if (!deepEquals(a[aProps[i]], b[aProps[i]])) {
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return false;
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}
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}
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return true;
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}
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deepEquals = function deepEquals(a, b) {
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if (a === b) {
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// Check for -0.
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if (a === 0) return (1 / a) === (1 / b);
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return true;
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}
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if (typeof a !== typeof b) return false;
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if (typeof a === "number") return isNaN(a) && isNaN(b);
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if (typeof a !== "object" && typeof a !== "function") return false;
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// Neither a nor b is primitive.
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var objectClass = classOf(a);
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if (objectClass !== classOf(b)) return false;
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if (objectClass === "RegExp") {
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// For RegExp, just compare pattern and flags using its toString.
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return RegExpPrototypeToString.call(a) ===
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RegExpPrototypeToString.call(b);
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}
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// Functions are only identical to themselves.
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if (objectClass === "Function") return false;
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if (objectClass === "Array") {
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var elementCount = 0;
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if (a.length !== b.length) {
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return false;
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}
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for (var i = 0; i < a.length; i++) {
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if (!deepEquals(a[i], b[i])) return false;
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}
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return true;
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}
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if (objectClass === "String" || objectClass === "Number" ||
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objectClass === "BigInt" || objectClass === "Boolean" ||
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objectClass === "Date") {
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if (ValueOf(a) !== ValueOf(b)) return false;
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}
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return deepObjectEquals(a, b);
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}
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assertSame = function assertSame(expected, found, name_opt) {
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// TODO(mstarzinger): We should think about using Harmony's egal operator
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// or the function equivalent Object.is() here.
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if (found === expected) {
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if (expected !== 0 || (1 / expected) === (1 / found)) return;
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} else if ((expected !== expected) && (found !== found)) {
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return;
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}
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fail(prettyPrinted(expected), found, name_opt);
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};
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assertNotSame = function assertNotSame(expected, found, name_opt) {
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// TODO(mstarzinger): We should think about using Harmony's egal operator
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// or the function equivalent Object.is() here.
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if (found !== expected) {
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if (expected === 0 || (1 / expected) !== (1 / found)) return;
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} else if (!((expected !== expected) && (found !== found))) {
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return;
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}
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fail(prettyPrinted(expected), found, name_opt);
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}
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assertEquals = function assertEquals(expected, found, name_opt) {
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if (!deepEquals(found, expected)) {
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fail(prettyPrinted(expected), found, name_opt);
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}
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};
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assertNotEquals = function assertNotEquals(expected, found, name_opt) {
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if (deepEquals(found, expected)) {
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fail("not equals to " + prettyPrinted(expected), found, name_opt);
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}
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};
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assertEqualsDelta =
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function assertEqualsDelta(expected, found, delta, name_opt) {
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if (Math.abs(expected - found) > delta) {
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fail(prettyPrinted(expected) + " +- " + prettyPrinted(delta), found, name_opt);
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}
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};
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assertArrayEquals = function assertArrayEquals(expected, found, name_opt) {
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var start = "";
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if (name_opt) {
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start = name_opt + " - ";
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}
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assertEquals(expected.length, found.length, start + "array length");
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if (expected.length === found.length) {
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for (var i = 0; i < expected.length; ++i) {
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assertEquals(expected[i], found[i],
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start + "array element at index " + i);
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}
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}
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};
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assertPropertiesEqual = function assertPropertiesEqual(expected, found,
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name_opt) {
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// Check properties only.
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if (!deepObjectEquals(expected, found)) {
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fail(expected, found, name_opt);
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}
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};
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assertToStringEquals = function assertToStringEquals(expected, found,
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name_opt) {
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if (expected !== String(found)) {
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fail(expected, found, name_opt);
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}
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};
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assertTrue = function assertTrue(value, name_opt) {
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assertEquals(true, value, name_opt);
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};
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assertFalse = function assertFalse(value, name_opt) {
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assertEquals(false, value, name_opt);
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};
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assertNull = function assertNull(value, name_opt) {
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if (value !== null) {
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fail("null", value, name_opt);
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}
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};
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assertNotNull = function assertNotNull(value, name_opt) {
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if (value === null) {
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fail("not null", value, name_opt);
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}
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};
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assertThrows = function assertThrows(code, type_opt, cause_opt) {
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try {
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if (typeof code === 'function') {
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code();
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} else {
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eval(code);
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}
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} catch (e) {
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if (typeof type_opt === 'function') {
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assertInstanceof(e, type_opt);
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} else if (type_opt !== void 0) {
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failWithMessage(
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'invalid use of assertThrows, maybe you want assertThrowsEquals');
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}
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if (arguments.length >= 3) {
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if (cause_opt instanceof RegExp) {
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assertMatches(cause_opt, e.message, "Error message");
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} else {
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assertEquals(cause_opt, e.message, "Error message");
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}
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}
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// Success.
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return;
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}
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failWithMessage("Did not throw exception");
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};
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assertThrowsEquals = function assertThrowsEquals(fun, val) {
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try {
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fun();
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} catch(e) {
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assertSame(val, e);
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return;
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}
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failWithMessage("Did not throw exception");
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};
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assertInstanceof = function assertInstanceof(obj, type) {
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if (!(obj instanceof type)) {
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var actualTypeName = null;
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var actualConstructor = Object.getPrototypeOf(obj).constructor;
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if (typeof actualConstructor === "function") {
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actualTypeName = actualConstructor.name || String(actualConstructor);
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}
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failWithMessage("Object <" + prettyPrinted(obj) + "> is not an instance of <" +
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(type.name || type) + ">" +
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(actualTypeName ? " but of <" + actualTypeName + ">" : ""));
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}
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};
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assertDoesNotThrow = function assertDoesNotThrow(code, name_opt) {
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try {
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if (typeof code === 'function') {
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return code();
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} else {
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|
return eval(code);
|
|
}
|
|
} catch (e) {
|
|
failWithMessage("threw an exception: " + (e.message || e));
|
|
}
|
|
};
|
|
|
|
assertUnreachable = function assertUnreachable(name_opt) {
|
|
// Fix this when we ditch the old test runner.
|
|
var message = "Fail" + "ure: unreachable";
|
|
if (name_opt) {
|
|
message += " - " + name_opt;
|
|
}
|
|
failWithMessage(message);
|
|
};
|
|
|
|
assertContains = function(sub, value, name_opt) {
|
|
if (value == null ? (sub != null) : value.indexOf(sub) == -1) {
|
|
fail("contains '" + String(sub) + "'", value, name_opt);
|
|
}
|
|
};
|
|
|
|
assertMatches = function(regexp, str, name_opt) {
|
|
if (!(regexp instanceof RegExp)) {
|
|
regexp = new RegExp(regexp);
|
|
}
|
|
if (!str.match(regexp)) {
|
|
fail("should match '" + regexp + "'", str, name_opt);
|
|
}
|
|
};
|
|
|
|
function concatenateErrors(stack, exception) {
|
|
// If the exception does not contain a stack trace, wrap it in a new Error.
|
|
if (!exception.stack) exception = new Error(exception);
|
|
|
|
// If the exception already provides a special stack trace, we do not modify
|
|
// it.
|
|
if (typeof exception.stack !== 'string') {
|
|
return exception;
|
|
}
|
|
exception.stack = stack + '\n\n' + exception.stack;
|
|
return exception;
|
|
}
|
|
|
|
assertPromiseResult = function(promise, success, fail) {
|
|
const stack = (new Error()).stack;
|
|
|
|
var test_promise = promise.then(
|
|
result => {
|
|
try {
|
|
if (--promiseTestCount == 0) testRunner.notifyDone();
|
|
if (success) success(result);
|
|
} catch (e) {
|
|
// Use setTimeout to throw the error again to get out of the promise
|
|
// chain.
|
|
setTimeout(_ => {
|
|
throw concatenateErrors(stack, e);
|
|
}, 0);
|
|
}
|
|
},
|
|
result => {
|
|
try {
|
|
if (--promiseTestCount == 0) testRunner.notifyDone();
|
|
if (!fail) throw result;
|
|
fail(result);
|
|
} catch (e) {
|
|
// Use setTimeout to throw the error again to get out of the promise
|
|
// chain.
|
|
setTimeout(_ => {
|
|
throw concatenateErrors(stack, e);
|
|
}, 0);
|
|
}
|
|
});
|
|
|
|
if (!promiseTestChain) promiseTestChain = Promise.resolve();
|
|
// waitUntilDone is idempotent.
|
|
testRunner.waitUntilDone();
|
|
++promiseTestCount;
|
|
return promiseTestChain.then(test_promise);
|
|
};
|
|
|
|
var OptimizationStatusImpl = undefined;
|
|
|
|
var OptimizationStatus = function(fun, sync_opt) {
|
|
if (OptimizationStatusImpl === undefined) {
|
|
try {
|
|
OptimizationStatusImpl = new Function(
|
|
"fun", "sync", "return %GetOptimizationStatus(fun, sync);");
|
|
} catch (e) {
|
|
throw new Error("natives syntax not allowed");
|
|
}
|
|
}
|
|
return OptimizationStatusImpl(fun, sync_opt);
|
|
}
|
|
|
|
assertUnoptimized = function assertUnoptimized(
|
|
fun, sync_opt, name_opt, skip_if_maybe_deopted = true) {
|
|
if (sync_opt === undefined) sync_opt = "";
|
|
var opt_status = OptimizationStatus(fun, sync_opt);
|
|
// Tests that use assertUnoptimized() do not make sense if --always-opt
|
|
// option is provided. Such tests must add --no-always-opt to flags comment.
|
|
assertFalse((opt_status & V8OptimizationStatus.kAlwaysOptimize) !== 0,
|
|
"test does not make sense with --always-opt");
|
|
assertTrue((opt_status & V8OptimizationStatus.kIsFunction) !== 0, name_opt);
|
|
if (skip_if_maybe_deopted &&
|
|
(opt_status & V8OptimizationStatus.kMaybeDeopted) !== 0) {
|
|
// When --deopt-every-n-times flag is specified it's no longer guaranteed
|
|
// that particular function is still deoptimized, so keep running the test
|
|
// to stress test the deoptimizer.
|
|
return;
|
|
}
|
|
assertFalse((opt_status & V8OptimizationStatus.kOptimized) !== 0, name_opt);
|
|
}
|
|
|
|
assertOptimized = function assertOptimized(
|
|
fun, sync_opt, name_opt, skip_if_maybe_deopted = true) {
|
|
if (sync_opt === undefined) sync_opt = "";
|
|
var opt_status = OptimizationStatus(fun, sync_opt);
|
|
// Tests that use assertOptimized() do not make sense for Lite mode where
|
|
// optimization is always disabled, explicitly exit the test with a warning.
|
|
if (opt_status & V8OptimizationStatus.kLiteMode) {
|
|
print("Warning: Test uses assertOptimized in Lite mode, skipping test.");
|
|
quit(0);
|
|
}
|
|
// Tests that use assertOptimized() do not make sense if --no-opt
|
|
// option is provided. Such tests must add --opt to flags comment.
|
|
assertFalse((opt_status & V8OptimizationStatus.kNeverOptimize) !== 0,
|
|
"test does not make sense with --no-opt");
|
|
assertTrue((opt_status & V8OptimizationStatus.kIsFunction) !== 0, name_opt);
|
|
if (skip_if_maybe_deopted &&
|
|
(opt_status & V8OptimizationStatus.kMaybeDeopted) !== 0) {
|
|
// When --deopt-every-n-times flag is specified it's no longer guaranteed
|
|
// that particular function is still optimized, so keep running the test
|
|
// to stress test the deoptimizer.
|
|
return;
|
|
}
|
|
assertTrue((opt_status & V8OptimizationStatus.kOptimized) !== 0, name_opt);
|
|
}
|
|
|
|
isNeverOptimizeLiteMode = function isNeverOptimizeLiteMode() {
|
|
var opt_status = OptimizationStatus(undefined, "");
|
|
return (opt_status & V8OptimizationStatus.kLiteMode) !== 0;
|
|
}
|
|
|
|
isNeverOptimize = function isNeverOptimize() {
|
|
var opt_status = OptimizationStatus(undefined, "");
|
|
return (opt_status & V8OptimizationStatus.kNeverOptimize) !== 0;
|
|
}
|
|
|
|
isAlwaysOptimize = function isAlwaysOptimize() {
|
|
var opt_status = OptimizationStatus(undefined, "");
|
|
return (opt_status & V8OptimizationStatus.kAlwaysOptimize) !== 0;
|
|
}
|
|
|
|
isInterpreted = function isInterpreted(fun) {
|
|
var opt_status = OptimizationStatus(fun, "");
|
|
assertTrue((opt_status & V8OptimizationStatus.kIsFunction) !== 0,
|
|
"not a function");
|
|
return (opt_status & V8OptimizationStatus.kOptimized) === 0 &&
|
|
(opt_status & V8OptimizationStatus.kInterpreted) !== 0;
|
|
}
|
|
|
|
isOptimized = function isOptimized(fun) {
|
|
var opt_status = OptimizationStatus(fun, "");
|
|
assertTrue((opt_status & V8OptimizationStatus.kIsFunction) !== 0,
|
|
"not a function");
|
|
return (opt_status & V8OptimizationStatus.kOptimized) !== 0;
|
|
}
|
|
|
|
isTurboFanned = function isTurboFanned(fun) {
|
|
var opt_status = OptimizationStatus(fun, "");
|
|
assertTrue((opt_status & V8OptimizationStatus.kIsFunction) !== 0,
|
|
"not a function");
|
|
return (opt_status & V8OptimizationStatus.kOptimized) !== 0 &&
|
|
(opt_status & V8OptimizationStatus.kTurboFanned) !== 0;
|
|
}
|
|
|
|
// Custom V8-specific stack trace formatter that is temporarily installed on
|
|
// the Error object.
|
|
MjsUnitAssertionError.prepareStackTrace = function(error, stack) {
|
|
// Trigger default formatting with recursion.
|
|
try {
|
|
// Filter-out all but the first mjsunit frame.
|
|
let filteredStack = [];
|
|
let inMjsunit = true;
|
|
for (let i = 0; i < stack.length; i++) {
|
|
let frame = stack[i];
|
|
if (inMjsunit) {
|
|
let file = frame.getFileName();
|
|
if (!file || !file.endsWith("mjsunit.js")) {
|
|
inMjsunit = false;
|
|
// Push the last mjsunit frame, typically containing the assertion
|
|
// function.
|
|
if (i > 0) ArrayPrototypePush.call(filteredStack, stack[i-1]);
|
|
ArrayPrototypePush.call(filteredStack, stack[i]);
|
|
}
|
|
continue;
|
|
}
|
|
ArrayPrototypePush.call(filteredStack, frame);
|
|
}
|
|
stack = filteredStack;
|
|
|
|
// Infer function names and calculate {max_name_length}
|
|
let max_name_length = 0;
|
|
ArrayPrototypeForEach.call(stack, each => {
|
|
let name = each.getFunctionName();
|
|
if (name == null) name = "";
|
|
if (each.isEval()) {
|
|
name = name;
|
|
} else if (each.isConstructor()) {
|
|
name = "new " + name;
|
|
} else if (each.isNative()) {
|
|
name = "native " + name;
|
|
} else if (!each.isToplevel()) {
|
|
name = each.getTypeName() + "." + name;
|
|
}
|
|
each.name = name;
|
|
max_name_length = Math.max(name.length, max_name_length)
|
|
});
|
|
|
|
// Format stack frames.
|
|
stack = ArrayPrototypeMap.call(stack, each => {
|
|
let frame = " at " + each.name.padEnd(max_name_length);
|
|
let fileName = each.getFileName();
|
|
if (each.isEval()) return frame + " " + each.getEvalOrigin();
|
|
frame += " " + (fileName ? fileName : "");
|
|
let line= each.getLineNumber();
|
|
frame += " " + (line ? line : "");
|
|
let column = each.getColumnNumber();
|
|
frame += (column ? ":" + column : "");
|
|
return frame;
|
|
});
|
|
return "" + error.message + "\n" + ArrayPrototypeJoin.call(stack, "\n");
|
|
} catch(e) {};
|
|
return error.stack;
|
|
}
|
|
})();
|