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
|
// Stepping into the `.throw()` method of a generator with a relevant catch block.
load(libdir + "asserts.js");
let g = newGlobal({newCompartment: true});
g.eval(`\
function* z() { // line 1
try { // 2
yield 1; // 3
} catch (exc) { // 4
yield 2; // 5
} // 6
} // 7
function f() { // 8
let gen = z(); // 9
gen.next(); // 10
gen.throw("fit"); // 11
} // 12
`);
let log = [];
let previousLine = -1;
let dbg = new Debugger(g);
dbg.onEnterFrame = frame => {
log.push(frame.callee.name + " in");
frame.onStep = () => {
let line = frame.script.getOffsetLocation(frame.offset).lineNumber;
if (previousLine != line) { // We stepped to a new line.
log.push(line);
previousLine = line;
}
};
frame.onPop = completion => {
log.push(frame.callee.name + " out");
};
};
g.f();
assertEq(
log.join(", "),
"f in, 8, 9, z in, 1, z out, " +
"9, 10, z in, 1, 2, 3, z out, " +
"10, 11, z in, 3, 2, 4, 5, z out, " + // not sure why we hit line 2 here, source notes bug maybe
"11, 12, f out"
);
|
