Updating the Chromium reference build for Windows. The continuous...

resources/inspector/profile_view.js

-// Copyright 2009 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Initlialize namespaces
-var devtools = devtools || {};
-devtools.profiler = devtools.profiler || {};
-
-
-/**
- * Creates a Profile View builder object.
- *
- * @param {number} samplingRate Number of ms between profiler ticks.
- * @constructor
- */
-devtools.profiler.ViewBuilder = function(samplingRate) {
-  this.samplingRate = samplingRate;
-};
-
-
-/**
- * Builds a profile view for the specified call tree.
- *
- * @param {devtools.profiler.CallTree} callTree A call tree.
- * @param {boolean} opt_bottomUpViewWeights Whether remapping
- *     of self weights for a bottom up view is needed.
- */
-devtools.profiler.ViewBuilder.prototype.buildView = function(
-    callTree, opt_bottomUpViewWeights) {
-  var head;
-  var samplingRate = this.samplingRate;
-  var createViewNode = this.createViewNode;
-  callTree.traverse(function(node, viewParent) {
-    var totalWeight = node.totalWeight * samplingRate;
-    var selfWeight = node.selfWeight * samplingRate;
-    if (opt_bottomUpViewWeights === true) {
-      if (viewParent === head) {
-        selfWeight = totalWeight;
-      } else {
-        selfWeight = 0;
-      }
-    }
-    var viewNode = createViewNode(node.label, totalWeight, selfWeight, head);
-    if (viewParent) {
-      viewParent.addChild(viewNode);
-    } else {
-      head = viewNode;
-    }
-    return viewNode;
-  });
-  var view = this.createView(head);
-  return view;
-};
-
-
-/**
- * Factory method for a profile view.
- *
- * @param {devtools.profiler.ProfileView.Node} head View head node.
- * @return {devtools.profiler.ProfileView} Profile view.
- */
-devtools.profiler.ViewBuilder.prototype.createView = function(head) {
-  return new devtools.profiler.ProfileView(head);
-};
-
-
-/**
- * Factory method for a profile view node.
- *
- * @param {string} internalFuncName A fully qualified function name.
- * @param {number} totalTime Amount of time that application spent in the
- *     corresponding function and its descendants (not that depending on
- *     profile they can be either callees or callers.)
- * @param {number} selfTime Amount of time that application spent in the
- *     corresponding function only.
- * @param {devtools.profiler.ProfileView.Node} head Profile view head.
- * @return {devtools.profiler.ProfileView.Node} Profile view node.
- */
-devtools.profiler.ViewBuilder.prototype.createViewNode = function(
-    funcName, totalTime, selfTime, head) {
-  return new devtools.profiler.ProfileView.Node(
-      funcName, totalTime, selfTime, head);
-};
-
-
-/**
- * Creates a Profile View object. It allows to perform sorting
- * and filtering actions on the profile.
- *
- * @param {devtools.profiler.ProfileView.Node} head Head (root) node.
- * @constructor
- */
-devtools.profiler.ProfileView = function(head) {
-  this.head = head;
-};
-
-
-/**
- * Sorts the profile view using the specified sort function.
- *
- * @param {function(devtools.profiler.ProfileView.Node,
- *     devtools.profiler.ProfileView.Node):number} sortFunc A sorting
- *     functions. Must comply with Array.sort sorting function requirements.
- */
-devtools.profiler.ProfileView.prototype.sort = function(sortFunc) {
-  this.traverse(function (node) {
-    node.sortChildren(sortFunc);
-  });
-};
-
-
-/**
- * Traverses profile view nodes in preorder.
- *
- * @param {function(devtools.profiler.ProfileView.Node)} f Visitor function.
- */
-devtools.profiler.ProfileView.prototype.traverse = function(f) {
-  var nodesToTraverse = new ConsArray();
-  nodesToTraverse.concat([this.head]);
-  while (!nodesToTraverse.atEnd()) {
-    var node = nodesToTraverse.next();
-    f(node);
-    nodesToTraverse.concat(node.children);
-  }
-};
-
-
-/**
- * Constructs a Profile View node object. Each node object corresponds to
- * a function call.
- *
- * @param {string} internalFuncName A fully qualified function name.
- * @param {number} totalTime Amount of time that application spent in the
- *     corresponding function and its descendants (not that depending on
- *     profile they can be either callees or callers.)
- * @param {number} selfTime Amount of time that application spent in the
- *     corresponding function only.
- * @param {devtools.profiler.ProfileView.Node} head Profile view head.
- * @constructor
- */
-devtools.profiler.ProfileView.Node = function(
-    internalFuncName, totalTime, selfTime, head) {
-  this.internalFuncName = internalFuncName;
-  this.totalTime = totalTime;
-  this.selfTime = selfTime;
-  this.head = head;
-  this.parent = null;
-  this.children = [];
-};
-
-
-/**
- * Returns a share of the function's total time in application's total time.
- */
-devtools.profiler.ProfileView.Node.prototype.__defineGetter__(
-    'totalPercent',
-    function() { return this.totalTime /
-      (this.head ? this.head.totalTime : this.totalTime) * 100.0; });
-
-
-/**
- * Returns a share of the function's self time in application's total time.
- */
-devtools.profiler.ProfileView.Node.prototype.__defineGetter__(
-    'selfPercent',
-    function() { return this.selfTime /
-      (this.head ? this.head.totalTime : this.totalTime) * 100.0; });
-
-
-/**
- * Returns a share of the function's total time in its parent's total time.
- */
-devtools.profiler.ProfileView.Node.prototype.__defineGetter__(
-    'parentTotalPercent',
-    function() { return this.totalTime /
-      (this.parent ? this.parent.totalTime : this.totalTime) * 100.0; });
-
-
-/**
- * Adds a child to the node.
- *
- * @param {devtools.profiler.ProfileView.Node} node Child node.
- */
-devtools.profiler.ProfileView.Node.prototype.addChild = function(node) {
-  node.parent = this;
-  this.children.push(node);
-};
-
-
-/**
- * Sorts all the node's children recursively.
- *
- * @param {function(devtools.profiler.ProfileView.Node,
- *     devtools.profiler.ProfileView.Node):number} sortFunc A sorting
- *     functions. Must comply with Array.sort sorting function requirements.
- */
-devtools.profiler.ProfileView.Node.prototype.sortChildren = function(
-    sortFunc) {
-  this.children.sort(sortFunc);
-};