shapelessCalleeTest.js (1656B)
1 // The following functions use a delay line of length 2 to change the value 2 // of the callee without exiting the traced loop. This is obviously tuned to 3 // match the current 8 setting of 2. 4 function shapelessArgCalleeLoop(f, g, h, a) 5 { 6 for (var i = 0; i < 10; i++) { 7 f(i, a); 8 f = g; 9 g = h; 10 } 11 } 12 13 function shapelessVarCalleeLoop(f0, g, h, a) 14 { 15 var f = f0; 16 for (var i = 0; i < 10; i++) { 17 f(i, a); 18 f = g; 19 g = h; 20 } 21 } 22 23 function shapelessLetCalleeLoop(f0, g, h, a) 24 { 25 for (var i = 0; i < 10; i++) { 26 let f = f0; 27 f(i, a); 28 f = g; 29 g = h; 30 } 31 } 32 33 function shapelessUnknownCalleeLoop(n, f, g, h, a) 34 { 35 for (var i = 0; i < 10; i++) { 36 (n || f)(i, a); 37 f = g; 38 g = h; 39 } 40 } 41 42 function shapelessCalleeTest() 43 { 44 var a = []; 45 46 var helper = function (i, a) { a[i] = i; }; 47 shapelessArgCalleeLoop(helper, helper, function (i, a) { a[i] = -i; }, a); 48 49 helper = function (i, a) { a[10 + i] = i; }; 50 shapelessVarCalleeLoop(helper, helper, function (i, a) { a[10 + i] = -i; }, a); 51 52 helper = function (i, a) { a[20 + i] = i; }; 53 shapelessLetCalleeLoop(helper, helper, function (i, a) { a[20 + i] = -i; }, a); 54 55 helper = function (i, a) { a[30 + i] = i; }; 56 shapelessUnknownCalleeLoop(null, helper, helper, function (i, a) { a[30 + i] = -i; }, a); 57 58 try { 59 helper = {hack: 42}; 60 shapelessUnknownCalleeLoop(null, helper, helper, helper, a); 61 } catch (e) { 62 if (e + "" != "TypeError: f is not a function") 63 print("shapelessUnknownCalleeLoop: unexpected exception " + e); 64 } 65 return a.join(""); 66 } 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");