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
|
// Environment.prototype.find finds bindings that are function arguments, 'let'
// bindings, or FunctionExpression names.
var g = newGlobal();
g.eval("function h() { debugger; }");
var dbg = new Debugger(g);
function test1(code) {
var hits = 0;
dbg.onDebuggerStatement = function (frame) {
var env = frame.older.environment.find('X');
assertEq(env.names().indexOf('X') !== -1, true);
assertEq(env.type, 'declarative');
assertEq(env.parent !== null, true);
hits++;
};
g.eval(code);
assertEq(hits, 1);
}
var manyNames = '';
for (var i = 0; i < 2048; i++)
manyNames += 'x' + i + ', ';
manyNames += 'X';
function test2(code) {
print(code + " : one");
test1(code.replace('@@', 'X'));
print(code + " : many");
test1(code.replace('@@', manyNames));
}
test2('function f(@@) { h(); } f(1);');
test2('function f(@@) { h(); } f();');
test2('function f(@@) { return function g() { h(X); }; } f(1)();');
test2('function f(@@) { return function g() { h(X); }; } f()();');
test2(' { let @@ = 0; h(); }');
test2('function f(a, b, c) { let @@ = 0; h(); } f(1, 2, 3);');
test2(' { let @@ = 0; { let y = 0; h(); } }');
test2('function f() { let @@ = 0; { let y = 0; h(); } } f();');
test2(' { for (let @@ = 0; X < 1; X++) h(); }');
test2('function f() { for (let @@ = 0; X < 1; X++) h(); } f();');
test1('(function X() { h(); })();');
test1('(function X(a, b, c) { h(); })(1, 2, 3);');
|
