d3905561b9
Also convert CodeView to a class and fix a host of selection bugs in the process, as well as move the logic and data to "enrich" location with one type of location data with location data known globally to the whole graph in the selection broker. Review-Url: https://codereview.chromium.org/2230083004 Cr-Commit-Position: refs/heads/master@{#38544}
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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