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Unified Diff: sdk/lib/_internal/lib/preambles/d8.js

Issue 538513002: Move js library back into compiler directory. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 3 months ago
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Index: sdk/lib/_internal/lib/preambles/d8.js
diff --git a/sdk/lib/_internal/lib/preambles/d8.js b/sdk/lib/_internal/lib/preambles/d8.js
deleted file mode 100644
index aed01611236ecf870687224cf08f78c8f0dc32fb..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/lib/preambles/d8.js
+++ /dev/null
@@ -1,283 +0,0 @@
-// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// Javascript preamble, that lets the output of dart2js run on V8's d8 shell.
-
-// Node wraps files and provides them with a different `this`. The global
-// `this` can be accessed through `global`.
-
-var self = this;
-if (typeof global != "undefined") self = global; // Node.js.
-
-(function(self) {
- // Using strict mode to avoid accidentally defining global variables.
- "use strict"; // Should be first statement of this function.
-
- // Location (Uri.base)
-
- var workingDirectory;
- // TODO(sgjesse): This does not work on Windows.
- if (typeof os == "object" && "system" in os) {
- // V8.
- workingDirectory = os.system("pwd");
- var length = workingDirectory.length;
- if (workingDirectory[length - 1] == '\n') {
- workingDirectory = workingDirectory.substring(0, length - 1);
- }
- } else if (typeof process != "undefined" &&
- typeof process.cwd == "function") {
- // Node.js.
- workingDirectory = process.cwd();
- }
- self.location = { href: "file://" + workingDirectory + "/" };
-
- // Event loop.
-
- // Task queue as cyclic list queue.
- var taskQueue = new Array(8); // Length is power of 2.
- var head = 0;
- var tail = 0;
- var mask = taskQueue.length - 1;
- function addTask(elem) {
- taskQueue[head] = elem;
- head = (head + 1) & mask;
- if (head == tail) _growTaskQueue();
- }
- function removeTask() {
- if (head == tail) return;
- var result = taskQueue[tail];
- taskQueue[tail] = undefined;
- tail = (tail + 1) & mask;
- return result;
- }
- function _growTaskQueue() {
- // head == tail.
- var length = taskQueue.length;
- var split = head;
- taskQueue.length = length * 2;
- if (split * 2 < length) { // split < length / 2
- for (var i = 0; i < split; i++) {
- taskQueue[length + i] = taskQueue[i];
- taskQueue[i] = undefined;
- }
- head += length;
- } else {
- for (var i = split; i < length; i++) {
- taskQueue[length + i] = taskQueue[i];
- taskQueue[i] = undefined;
- }
- tail += length;
- }
- mask = taskQueue.length - 1;
- }
-
- // Mapping from timer id to timer function.
- // The timer id is written on the function as .$timerId.
- // That field is cleared when the timer is cancelled, but it is not returned
- // from the queue until its time comes.
- var timerIds = {};
- var timerIdCounter = 1; // Counter used to assing ids.
-
- // Zero-timer queue as simple array queue using push/shift.
- var zeroTimerQueue = [];
-
- function addTimer(f, ms) {
- var id = timerIdCounter++;
- f.$timerId = id;
- timerIds[id] = f;
- if (ms == 0) {
- zeroTimerQueue.push(f);
- } else {
- addDelayedTimer(f, ms);
- }
- return id;
- }
-
- function nextZeroTimer() {
- while (zeroTimerQueue.length > 0) {
- var action = zeroTimerQueue.shift();
- if (action.$timerId !== undefined) return action;
- }
- }
-
- function nextEvent() {
- var action = removeTask();
- if (action) {
- return action;
- }
- do {
- action = nextZeroTimer();
- if (action) break;
- var nextList = nextDelayedTimerQueue();
- if (!nextList) {
- return;
- }
- var newTime = nextList.shift();
- advanceTimeTo(newTime);
- zeroTimerQueue = nextList;
- } while (true)
- var id = action.$timerId;
- clearTimerId(action, id);
- return action;
- }
-
- // Mocking time.
- var timeOffset = 0;
- var now = function() {
- // Install the mock Date object only once.
- // Following calls to "now" will just use the new (mocked) Date.now
- // method directly.
- installMockDate();
- now = Date.now;
- return Date.now();
- };
- var originalDate = Date;
- var originalNow = originalDate.now;
- function advanceTimeTo(time) {
- timeOffset = time - originalNow();
- }
- function installMockDate() {
- var NewDate = function Date(Y, M, D, h, m, s, ms) {
- if (this instanceof Date) {
- // Assume a construct call.
- switch (arguments.length) {
- case 0: return new originalDate(originalNow() + timeOffset);
- case 1: return new originalDate(Y);
- case 2: return new originalDate(Y, M);
- case 3: return new originalDate(Y, M, D);
- case 4: return new originalDate(Y, M, D, h);
- case 5: return new originalDate(Y, M, D, h, m);
- case 6: return new originalDate(Y, M, D, h, m, s);
- default: return new originalDate(Y, M, D, h, m, s, ms);
- }
- }
- return new originalDate(originalNow() + timeOffset).toString();
- };
- NewDate.UTC = originalDate.UTC;
- NewDate.parse = originalDate.parse;
- NewDate.now = function now() { return originalNow() + timeOffset; };
- NewDate.prototype = originalDate.prototype;
- originalDate.prototype.constructor = NewDate;
- Date = NewDate;
- }
-
- // Heap priority queue with key index.
- // Each entry is list of [timeout, callback1 ... callbackn].
- var timerHeap = [];
- var timerIndex = {};
- function addDelayedTimer(f, ms) {
- var timeout = now() + ms;
- var timerList = timerIndex[timeout];
- if (timerList == null) {
- timerList = [timeout, f];
- timerIndex[timeout] = timerList;
- var index = timerHeap.length;
- timerHeap.length += 1;
- bubbleUp(index, timeout, timerList);
- } else {
- timerList.push(f);
- }
- }
-
- function nextDelayedTimerQueue() {
- if (timerHeap.length == 0) return null;
- var result = timerHeap[0];
- var last = timerHeap.pop();
- if (timerHeap.length > 0) {
- bubbleDown(0, last[0], last);
- }
- return result;
- }
-
- function bubbleUp(index, key, value) {
- while (index != 0) {
- var parentIndex = (index - 1) >> 1;
- var parent = timerHeap[parentIndex];
- var parentKey = parent[0];
- if (key > parentKey) break;
- timerHeap[index] = parent;
- index = parentIndex;
- }
- timerHeap[index] = value;
- }
-
- function bubbleDown(index, key, value) {
- while (true) {
- var leftChildIndex = index * 2 + 1;
- if (leftChildIndex >= timerHeap.length) break;
- var minChildIndex = leftChildIndex;
- var minChild = timerHeap[leftChildIndex];
- var minChildKey = minChild[0];
- var rightChildIndex = leftChildIndex + 1;
- if (rightChildIndex < timerHeap.length) {
- var rightChild = timerHeap[rightChildIndex];
- var rightKey = rightChild[0];
- if (rightKey < minChildKey) {
- minChildIndex = rightChildIndex;
- minChild = rightChild;
- minChildKey = rightKey;
- }
- }
- if (minChildKey > key) break;
- timerHeap[index] = minChild;
- index = minChildIndex;
- }
- timerHeap[index] = value;
- }
-
- function addInterval(f, ms) {
- var id = timerIdCounter++;
- function repeat() {
- // Reactivate with the same id.
- repeat.$timerId = id;
- timerIds[id] = repeat;
- addDelayedTimer(repeat, ms);
- f();
- }
- repeat.$timerId = id;
- timerIds[id] = repeat;
- addDelayedTimer(repeat, ms);
- return id;
- }
-
- function cancelTimer(id) {
- var f = timerIds[id];
- if (f == null) return;
- clearTimerId(f, id);
- }
-
- function clearTimerId(f, id) {
- f.$timerId = undefined;
- delete timerIds[id];
- }
-
- function eventLoop(action) {
- while (action) {
- try {
- action();
- } catch (e) {
- if (typeof onerror == "function") {
- onerror(e, null, -1);
- } else {
- throw e;
- }
- }
- action = nextEvent();
- }
- }
-
- // Global properties. "self" refers to the global object, so adding a
- // property to "self" defines a global variable.
- self.dartMainRunner = function(main, args) {
- // Initialize.
- var action = function() { main(args); }
- eventLoop(action);
- };
- self.setTimeout = addTimer;
- self.clearTimeout = cancelTimer;
- self.setInterval = addInterval;
- self.clearInterval = cancelTimer;
- self.scheduleImmediate = addTask;
- self.self = self;
-})(self);
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