js/src/jit-test/tests/basic/shapelessCalleeTest.js@6474c204b198 (annotated)
js/src/jit-test/tests/basic/shapelessCalleeTest.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // The following functions use a delay line of length 2 to change the value |
| michael@0 | 2 | // of the callee without exiting the traced loop. This is obviously tuned to |
| michael@0 | 3 | // match the current 8 setting of 2. |
| michael@0 | 4 | function shapelessArgCalleeLoop(f, g, h, a) |
| michael@0 | 5 | { |
| michael@0 | 6 | for (var i = 0; i < 10; i++) { |
| michael@0 | 7 | f(i, a); |
| michael@0 | 8 | f = g; |
| michael@0 | 9 | g = h; |
| michael@0 | 10 | } |
| michael@0 | 11 | } |
| michael@0 | 12 | |
| michael@0 | 13 | function shapelessVarCalleeLoop(f0, g, h, a) |
| michael@0 | 14 | { |
| michael@0 | 15 | var f = f0; |
| michael@0 | 16 | for (var i = 0; i < 10; i++) { |
| michael@0 | 17 | f(i, a); |
| michael@0 | 18 | f = g; |
| michael@0 | 19 | g = h; |
| michael@0 | 20 | } |
| michael@0 | 21 | } |
| michael@0 | 22 | |
| michael@0 | 23 | function shapelessLetCalleeLoop(f0, g, h, a) |
| michael@0 | 24 | { |
| michael@0 | 25 | for (var i = 0; i < 10; i++) { |
| michael@0 | 26 | let f = f0; |
| michael@0 | 27 | f(i, a); |
| michael@0 | 28 | f = g; |
| michael@0 | 29 | g = h; |
| michael@0 | 30 | } |
| michael@0 | 31 | } |
| michael@0 | 32 | |
| michael@0 | 33 | function shapelessUnknownCalleeLoop(n, f, g, h, a) |
| michael@0 | 34 | { |
| michael@0 | 35 | for (var i = 0; i < 10; i++) { |
| michael@0 | 36 | (n || f)(i, a); |
| michael@0 | 37 | f = g; |
| michael@0 | 38 | g = h; |
| michael@0 | 39 | } |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | function shapelessCalleeTest() |
| michael@0 | 43 | { |
| michael@0 | 44 | var a = []; |
| michael@0 | 45 | |
| michael@0 | 46 | var helper = function (i, a) a[i] = i; |
| michael@0 | 47 | shapelessArgCalleeLoop(helper, helper, function (i, a) a[i] = -i, a); |
| michael@0 | 48 | |
| michael@0 | 49 | helper = function (i, a) a[10 + i] = i; |
| michael@0 | 50 | shapelessVarCalleeLoop(helper, helper, function (i, a) a[10 + i] = -i, a); |
| michael@0 | 51 | |
| michael@0 | 52 | helper = function (i, a) a[20 + i] = i; |
| michael@0 | 53 | shapelessLetCalleeLoop(helper, helper, function (i, a) a[20 + i] = -i, a); |
| michael@0 | 54 | |
| michael@0 | 55 | helper = function (i, a) a[30 + i] = i; |
| michael@0 | 56 | shapelessUnknownCalleeLoop(null, helper, helper, function (i, a) a[30 + i] = -i, a); |
| michael@0 | 57 | |
| michael@0 | 58 | try { |
| michael@0 | 59 | helper = {hack: 42}; |
| michael@0 | 60 | shapelessUnknownCalleeLoop(null, helper, helper, helper, a); |
| michael@0 | 61 | } catch (e) { |
| michael@0 | 62 | if (e + "" != "TypeError: f is not a function") |
| michael@0 | 63 | print("shapelessUnknownCalleeLoop: unexpected exception " + e); |
| michael@0 | 64 | } |
| michael@0 | 65 | return a.join(""); |
| michael@0 | 66 | } |
| michael@0 | 67 | assertEq(shapelessCalleeTest(), "01-2-3-4-5-6-7-8-901-2-3-4-5-6-7-8-9012345678901-2-3-4-5-6-7-8-9"); |
