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Issue 29350140: Issue 4353 - Remove non standard for each syntax (Closed)
Patch Set: Removed unused code Created Aug. 24, 2016, 2:40 p.m.
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1 /**
2 * This processes comments.
3 */
4 function associate_comments(filename, scopeObject) {
5 // Read the script and give us line stuff
6 let file = read_file(filename).split(/\r\n|[\r\n]/);
7 // make file 1-based to avoid off-by-one errors...
8 file.unshift("");
9
10 // Now, get us a sorted list of all important AST locations
11 let locations = [{loc: {line: 0, column: -1}}];
12
13 function add_func(func) {
14 locations.push({loc: func.loc, obj: func, commentWanted: true});
15 // The following will get us to the last line of the function
16 if (func.body.kids.length == 0)
17 return;
18 let last = func.body.kids[func.body.kids.length - 1];
19 while (last.kids[last.kids.length - 1] &&
20 last.kids[last.kids.length - 1].line > last.line)
21 last = last.kids[last.kids.length - 1];
22 locations.push({loc: {line: last.line, column: last.column}});
23 }
24 for each (let v in scopeObject.variables)
25 locations.push({loc: v.loc, obj: v, commentWanted: true});
26 for each (let v in scopeObject.constants)
27 locations.push({loc: v.loc, obj: v, commentWanted: true});
28 for each (let v in scopeObject.functions)
29 add_func(v);
30 for each (let v in scopeObject.code)
31 locations.push({loc: {line: v.line, column: v.column}, obj: v});
32 for each (let o in scopeObject.objects) {
33 locations.push({loc: o.loc, obj: o, commentWanted: true});
34 for each (let x in o.variables)
35 locations.push({loc: x.loc, obj: x, commentWanted: true});
36 for each (let x in o.functions)
37 add_func(x);
38 for each (let x in o.getters)
39 add_func(x);
40 for each (let x in o.setters)
41 add_func(x);
42 }
43 for each (let o in scopeObject.classes) {
44 locations.push({loc: o.loc, obj: o, commentWanted: true});
45 for each (let x in o.variables)
46 locations.push({loc: x.loc, obj: x, commentWanted: true});
47 for each (let x in o.functions)
48 add_func(x);
49 for each (let x in o.getters)
50 add_func(x);
51 for each (let x in o.setters)
52 add_func(x);
53 }
54 locations.sort(function (a, b) {
55 if (a.loc.line == b.loc.line)
56 return a.loc.column - b.loc.column;
57 return a.loc.line - b.loc.line;
58 });
59
60 // With that list done, let's find comments in the range.
61 for (let i = 1; i < locations.length; i++) {
62 if (!locations[i].commentWanted)
63 continue;
64 let comment = find_comments(locations[i - 1].loc, locations[i].loc, file);
65 if (comment)
66 locations[i].obj.comment = comment;
67 }
68 }
69
70 let comment_regex = /\/\*[\s\S]*?\*\/|\/\/.*?\n/mg;
71 function find_comments(start, end, file) {
72 let lines = [];
73 lines[0] = file[start.line].substring(start.column + 1).trim();
74 for (let l = start.line + 1; l < end.line; l++) {
75 lines.push(file[l].trim());
76 }
77 lines.push(file[end.line].substring(0, end.column).trim());
78
79 let goop = lines.join("\n");
80 let match;
81 lines = [];
82 while ((match = comment_regex.exec(goop)) != null) {
83 lines.push(match);
84 }
85 return lines.join("\n");
86 }
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