Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | // Environment.prototype.find finds bindings that are function arguments, 'let' |
michael@0 | 2 | // bindings, or FunctionExpression names. |
michael@0 | 3 | |
michael@0 | 4 | var g = newGlobal(); |
michael@0 | 5 | g.eval("function h() { debugger; }"); |
michael@0 | 6 | |
michael@0 | 7 | var dbg = new Debugger(g); |
michael@0 | 8 | |
michael@0 | 9 | function test1(code) { |
michael@0 | 10 | var hits = 0; |
michael@0 | 11 | dbg.onDebuggerStatement = function (frame) { |
michael@0 | 12 | var env = frame.older.environment.find('X'); |
michael@0 | 13 | assertEq(env.names().indexOf('X') !== -1, true); |
michael@0 | 14 | assertEq(env.type, 'declarative'); |
michael@0 | 15 | assertEq(env.parent !== null, true); |
michael@0 | 16 | hits++; |
michael@0 | 17 | }; |
michael@0 | 18 | g.eval(code); |
michael@0 | 19 | assertEq(hits, 1); |
michael@0 | 20 | } |
michael@0 | 21 | |
michael@0 | 22 | var manyNames = ''; |
michael@0 | 23 | for (var i = 0; i < 2048; i++) |
michael@0 | 24 | manyNames += 'x' + i + ', '; |
michael@0 | 25 | manyNames += 'X'; |
michael@0 | 26 | |
michael@0 | 27 | function test2(code) { |
michael@0 | 28 | print(code + " : one"); |
michael@0 | 29 | test1(code.replace('@@', 'X')); |
michael@0 | 30 | print(code + " : many"); |
michael@0 | 31 | test1(code.replace('@@', manyNames)); |
michael@0 | 32 | } |
michael@0 | 33 | |
michael@0 | 34 | test2('function f(@@) { h(); } f(1);'); |
michael@0 | 35 | test2('function f(@@) { h(); } f();'); |
michael@0 | 36 | test2('function f(@@) { return function g() { h(X); }; } f(1)();'); |
michael@0 | 37 | test2('function f(@@) { return function g() { h(X); }; } f()();'); |
michael@0 | 38 | |
michael@0 | 39 | test2(' { let @@ = 0; h(); }'); |
michael@0 | 40 | test2('function f(a, b, c) { let @@ = 0; h(); } f(1, 2, 3);'); |
michael@0 | 41 | test2(' { let @@ = 0; { let y = 0; h(); } }'); |
michael@0 | 42 | test2('function f() { let @@ = 0; { let y = 0; h(); } } f();'); |
michael@0 | 43 | test2(' { for (let @@ = 0; X < 1; X++) h(); }'); |
michael@0 | 44 | test2('function f() { for (let @@ = 0; X < 1; X++) h(); } f();'); |
michael@0 | 45 | test2(' { (let (@@ = 0) let (y = 2, z = 3) h()); }'); |
michael@0 | 46 | test2('function f() { return (let (@@ = 0) let (y = 2, z = 3) h()); } f();'); |
michael@0 | 47 | |
michael@0 | 48 | test1('(function X() { h(); })();'); |
michael@0 | 49 | test1('(function X(a, b, c) { h(); })(1, 2, 3);'); |