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Bug 1147371: Implement IteratorClose for array destructuring

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Issue #74
This commit is contained in:
janekptacijarabaci 2018-03-24 12:23:14 +01:00 • committed by Roy Tam
commit d36d40760a
7 changed files with 322 additions and 135 deletions
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35
js/src/shell/js.cpp
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@ -2585,12 +2585,28 @@ Notes(JSContext* cx, unsigned argc, Value* vp)
return true;
}
JS_STATIC_ASSERT(JSTRY_CATCH == 0);
JS_STATIC_ASSERT(JSTRY_FINALLY == 1);
JS_STATIC_ASSERT(JSTRY_FOR_IN == 2);
static const char*
TryNoteName(JSTryNoteKind kind)
{
switch (kind) {
case JSTRY_CATCH:
return "catch";
case JSTRY_FINALLY:
return "finally";
case JSTRY_FOR_IN:
return "for-in";
case JSTRY_FOR_OF:
return "for-of";
case JSTRY_LOOP:
return "loop";
case JSTRY_ITERCLOSE:
return "iterclose";
case JSTRY_DESTRUCTURING_ITERCLOSE:
return "dstr-iterclose";
}
static const char* const TryNoteNames[] = { "catch", "finally", "for-in", "for-of", "loop",
"iterclose" };
MOZ_CRASH("Bad JSTryNoteKind");
}
static MOZ_MUST_USE bool
TryNotes(JSContext* cx, HandleScript script, Sprinter* sp)
@ -2598,17 +2614,16 @@ TryNotes(JSContext* cx, HandleScript script, Sprinter* sp)
if (!script->hasTrynotes())
return true;
if (sp->put("\nException table:\nkind stack start end\n") < 0)
if (sp->put("\nException table:\nkind stack start end\n") < 0)
return false;
JSTryNote* tn = script->trynotes()->vector;
JSTryNote* tnlimit = tn + script->trynotes()->length;
do {
MOZ_ASSERT(tn->kind < ArrayLength(TryNoteNames));
uint32_t startOff = script->pcToOffset(script->main()) + tn->start;
if (!sp->jsprintf(" %-9s %6u %8u %8u\n",
TryNoteNames[tn->kind], tn->stackDepth,
startOff, startOff + tn->length))
if (!sp->jsprintf(" %-14s %6u %8u %8u\n",
TryNoteName(static_cast<JSTryNoteKind>(tn->kind)),
tn->stackDepth, startOff, startOff + tn->length))
{
return false;
}