1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
"use strict";
var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
const { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
function isObject(value) {
return typeof value === "object" && value !== null;
}
function intersect(a, b) {
const seen = new Set(a);
return b.filter(value => seen.has(value));
}
function checkEquivalentASTs(expected, actual, prop = []) {
do_print("Checking: " + prop.join(" "));
if (!isObject(expected)) {
return void do_check_eq(expected, actual);
}
do_check_true(isObject(actual));
if (Array.isArray(expected)) {
do_check_true(Array.isArray(actual));
do_check_eq(expected.length, actual.length);
for (let i = 0; i < expected.length; i++) {
checkEquivalentASTs(expected[i], actual[i], prop.concat(i));
}
} else {
// We must intersect the keys since acorn and Reflect have different
// extraneous properties on their AST nodes.
const keys = intersect(Object.keys(expected), Object.keys(actual));
for (let key of keys) {
checkEquivalentASTs(expected[key], actual[key], prop.concat(key));
}
}
}
// Register a console listener, so console messages don't just disappear
// into the ether.
var errorCount = 0;
var listener = {
observe: function (aMessage) {
errorCount++;
try {
// If we've been given an nsIScriptError, then we can print out
// something nicely formatted, for tools like Emacs to pick up.
var scriptError = aMessage.QueryInterface(Ci.nsIScriptError);
dump(aMessage.sourceName + ":" + aMessage.lineNumber + ": " +
scriptErrorFlagsToKind(aMessage.flags) + ": " +
aMessage.errorMessage + "\n");
var string = aMessage.errorMessage;
} catch (x) {
// Be a little paranoid with message, as the whole goal here is to lose
// no information.
try {
var string = "" + aMessage.message;
} catch (x) {
var string = "<error converting error message to string>";
}
}
// Ignored until they are fixed in bug 1242968.
if (string.includes("JavaScript Warning")) {
return;
}
do_throw("head_acorn.js got console message: " + string + "\n");
}
};
var consoleService = Cc["@mozilla.org/consoleservice;1"].getService(Ci.nsIConsoleService);
consoleService.registerListener(listener);
|
