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      1 // Copyright 2015 the V8 project authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 "use strict";
      6 
      7 class ScheduleView extends TextView {
      8   constructor(id, broker) {
      9     super(id, broker, null, false);
     10     let view = this;
     11     let BLOCK_STYLE = {
     12       css: 'tag'
     13     };
     14     const BLOCK_HEADER_STYLE = {
     15       css: 'com',
     16       block_id: -1,
     17       location: function(text) {
     18         let matches = /\d+/.exec(text);
     19         if (!matches) return undefined;
     20         BLOCK_HEADER_STYLE.block_id = Number(matches[0]);
     21         return {
     22           block_id: BLOCK_HEADER_STYLE.block_id
     23         };
     24       },
     25     };
     26     const BLOCK_LINK_STYLE = {
     27       css: 'tag',
     28       link: function(text) {
     29         let id = Number(text.substr(1));
     30         view.select(function(location) { return location.block_id == id; }, true, true);
     31       }
     32     };
     33     const ID_STYLE = {
     34       css: 'tag',
     35       location: function(text) {
     36         let matches = /\d+/.exec(text);
     37         return {
     38           node_id: Number(matches[0]),
     39           block_id: BLOCK_HEADER_STYLE.block_id
     40         };
     41       },
     42     };
     43     const ID_LINK_STYLE = {
     44       css: 'tag',
     45       link: function(text) {
     46         let id = Number(text);
     47         view.select(function(location) { return location.node_id == id; }, true, true);
     48       }
     49     };
     50     const NODE_STYLE = { css: 'kwd' };
     51     const GOTO_STYLE = { css: 'kwd',
     52       goto_id: -2,
     53       location: function(text) {
     54         return {
     55           node_id: GOTO_STYLE.goto_id--,
     56           block_id: BLOCK_HEADER_STYLE.block_id
     57         };
     58       }
     59     }
     60     const ARROW_STYLE = { css: 'kwd' };
     61     let patterns = [
     62       [
     63         [/^--- BLOCK B\d+/, BLOCK_HEADER_STYLE, 1],
     64         [/^\s+\d+: /, ID_STYLE, 2],
     65         [/^\s+Goto/, GOTO_STYLE, 6],
     66         [/^.*/, null, -1]
     67       ],
     68       [
     69         [/^ +/, null],
     70         [/^\(deferred\)/, BLOCK_HEADER_STYLE],
     71         [/^B\d+/, BLOCK_LINK_STYLE],
     72         [/^<-/, ARROW_STYLE],
     73         [/^->/, ARROW_STYLE],
     74         [/^,/, null],
     75         [/^---/, BLOCK_HEADER_STYLE, -1]
     76       ],
     77       // Parse opcode including []
     78       [
     79         [/^[A-Za-z0-9_]+(\[.*\])?$/, NODE_STYLE, -1],
     80         [/^[A-Za-z0-9_]+(\[(\[.*?\]|.)*?\])?/, NODE_STYLE, 3]
     81       ],
     82       // Parse optional parameters
     83       [
     84         [/^ /, null, 4],
     85         [/^\(/, null],
     86         [/^\d+/, ID_LINK_STYLE],
     87         [/^, /, null],
     88         [/^\)$/, null, -1],
     89         [/^\)/, null, 4],
     90       ],
     91       [
     92         [/^ -> /, ARROW_STYLE, 5],
     93         [/^.*/, null, -1]
     94       ],
     95       [
     96         [/^B\d+$/, BLOCK_LINK_STYLE, -1],
     97         [/^B\d+/, BLOCK_LINK_STYLE],
     98         [/^, /, null]
     99       ],
    100       [
    101         [/^ -> /, ARROW_STYLE],
    102         [/^B\d+$/, BLOCK_LINK_STYLE, -1]
    103       ]
    104     ];
    105     this.setPatterns(patterns);
    106   }
    107 
    108   initializeContent(data, rememberedSelection) {
    109     super.initializeContent(data, rememberedSelection);
    110     var graph = this;
    111     var locations = [];
    112     for (var id of rememberedSelection) {
    113       locations.push({ node_id : id });
    114     }
    115     this.selectLocations(locations, true, true);
    116   }
    117 
    118   detachSelection() {
    119     var selection = this.selection.detachSelection();
    120     var s = new Set();
    121     for (var i of selection) {
    122       if (i.location.node_id != undefined && i.location.node_id > 0) {
    123         s.add(i.location.node_id);
    124       }
    125     };
    126     return s;
    127   }
    128 }
    129