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ec02b811a8
Pick up latest commit from the 5.4-lkgr branch. deps: edit V8 gitignore to allow trace event copy deps: update V8 trace event to 315bf1e2d45be7d53346c31cfcc37424a32c30c8 deps: edit V8 gitignore to allow gtest_prod.h copy deps: update V8 gtest to 6f8a66431cb592dad629028a50b3dd418a408c87 PR-URL: https://github.com/nodejs/node/pull/8317 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
100 lines
3.0 KiB
JavaScript
100 lines
3.0 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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var SelectionBroker = function() {
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this.brokers = [];
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this.dispatching = false;
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this.lastDispatchingHandler = null;
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this.nodePositionMap = [];
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this.sortedPositionList = [];
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this.positionNodeMap = [];
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};
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SelectionBroker.prototype.addSelectionHandler = function(handler) {
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this.brokers.push(handler);
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}
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SelectionBroker.prototype.setNodePositionMap = function(map) {
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let broker = this;
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if (!map) return;
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broker.nodePositionMap = map;
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broker.positionNodeMap = [];
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broker.sortedPositionList = [];
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let next = 0;
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for (let i in broker.nodePositionMap) {
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broker.sortedPositionList[next] = Number(broker.nodePositionMap[i]);
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broker.positionNodeMap[next++] = i;
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}
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broker.sortedPositionList = sortUnique(broker.sortedPositionList,
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function(a,b) { return a - b; });
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this.positionNodeMap.sort(function(a,b) {
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let result = broker.nodePositionMap[a] - broker.nodePositionMap[b];
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if (result != 0) return result;
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return a - b;
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});
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}
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SelectionBroker.prototype.select = function(from, locations, selected) {
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let broker = this;
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if (!broker.dispatching) {
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broker.lastDispatchingHandler = from;
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try {
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broker.dispatching = true;
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let enrichLocations = function(locations) {
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result = [];
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for (let location of locations) {
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let newLocation = {};
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if (location.pos_start != undefined) {
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newLocation.pos_start = location.pos_start;
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}
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if (location.pos_end != undefined) {
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newLocation.pos_end = location.pos_end;
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}
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if (location.node_id != undefined) {
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newLocation.node_id = location.node_id;
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}
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if (location.block_id != undefined) {
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newLocation.block_id = location.block_id;
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}
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if (newLocation.pos_start == undefined &&
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newLocation.pos_end == undefined &&
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newLocation.node_id != undefined) {
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if (broker.nodePositionMap && broker.nodePositionMap[location.node_id]) {
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newLocation.pos_start = broker.nodePositionMap[location.node_id];
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newLocation.pos_end = location.pos_start + 1;
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}
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}
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result.push(newLocation);
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}
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return result;
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}
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locations = enrichLocations(locations);
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for (var b of this.brokers) {
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if (b != from) {
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b.brokeredSelect(locations, selected);
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}
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}
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}
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finally {
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broker.dispatching = false;
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}
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}
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}
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SelectionBroker.prototype.clear = function(from) {
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this.lastDispatchingHandler = null;
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if (!this.dispatching) {
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try {
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this.dispatching = true;
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this.brokers.forEach(function(b) {
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if (b != from) {
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b.brokeredClear();
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}
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});
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} finally {
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this.dispatching = false;
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}
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}
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}
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