void
JSCompartment::sweepBreakpoints(FreeOp *fop)
{
gcstats::AutoPhase ap(rt->gcStats, gcstats::PHASE_SWEEP_TABLES_BREAKPOINT);
if (rt->debuggerList.isEmpty())
return;
for (CellIterUnderGC i(zone(), FINALIZE_SCRIPT); !i.done(); i.next()) {
JSScript *script = i.get<JSScript>();
if (script->compartment() != this || !script->hasAnyBreakpointsOrStepMode())
continue;
bool scriptGone = IsScriptAboutToBeFinalized(&script);
JS_ASSERT(script == i.get<JSScript>());
for (unsigned i = 0; i < script->length; i++) {
BreakpointSite *site = script->getBreakpointSite(script->code + i);
if (!site)
continue;
// nextbp is necessary here to avoid possibly reading *bp after
// destroying it.
Breakpoint *nextbp;
for (Breakpoint *bp = site->firstBreakpoint(); bp; bp = nextbp) {
nextbp = bp->nextInSite();
if (scriptGone || IsObjectAboutToBeFinalized(&bp->debugger->toJSObjectRef()))
bp->destroy(fop);
}
}
}
}
void
JSCompartment::sweepBreakpoints(JSContext *cx)
{
if (JS_CLIST_IS_EMPTY(&cx->runtime->debuggerList))
return;
for (CellIterUnderGC i(this, FINALIZE_SCRIPT); !i.done(); i.next()) {
JSScript *script = i.get<JSScript>();
if (!script->hasAnyBreakpointsOrStepMode())
continue;
bool scriptGone = IsAboutToBeFinalized(cx, script);
for (unsigned i = 0; i < script->length; i++) {
BreakpointSite *site = script->getBreakpointSite(script->code + i);
if (!site)
continue;
// nextbp is necessary here to avoid possibly reading *bp after
// destroying it.
Breakpoint *nextbp;
for (Breakpoint *bp = site->firstBreakpoint(); bp; bp = nextbp) {
nextbp = bp->nextInSite();
if (scriptGone || IsAboutToBeFinalized(cx, bp->debugger->toJSObject()))
bp->destroy(cx);
}
}
}
}
bool
DebugState::clearBreakpointsIn(JSContext* cx, WasmInstanceObject* instance, js::Debugger* dbg, JSObject* handler)
{
MOZ_ASSERT(instance);
if (!breakpointSites_.initialized())
return true;
// Make copy of all sites list, so breakpointSites_ can be modified by
// destroyBreakpointSite calls.
Vector<WasmBreakpointSite*> sites(cx);
if (!sites.resize(breakpointSites_.count()))
return false;
size_t i = 0;
for (WasmBreakpointSiteMap::Range r = breakpointSites_.all(); !r.empty(); r.popFront())
sites[i++] = r.front().value();
for (WasmBreakpointSite* site : sites) {
Breakpoint* nextbp;
for (Breakpoint* bp = site->firstBreakpoint(); bp; bp = nextbp) {
nextbp = bp->nextInSite();
if (bp->asWasm()->wasmInstance == instance &&
(!dbg || bp->debugger == dbg) &&
(!handler || bp->getHandler() == handler))
{
bp->destroy(cx->runtime()->defaultFreeOp());
}
}
}
return true;
}
void
JSCompartment::clearBreakpointsIn(JSContext *cx, js::Debugger *dbg, JSScript *script,
JSObject *handler)
{
JS_ASSERT_IF(script, script->compartment() == this);
for (BreakpointSiteMap::Enum e(breakpointSites); !e.empty(); e.popFront()) {
BreakpointSite *site = e.front().value;
if (!script || site->script == script) {
Breakpoint *nextbp;
for (Breakpoint *bp = site->firstBreakpoint(); bp; bp = nextbp) {
nextbp = bp->nextInSite();
if ((!dbg || bp->debugger == dbg) && (!handler || bp->getHandler() == handler))
bp->destroy(cx, &e);
}
}
}
}
void
JSCompartment::sweepBreakpoints(JSContext *cx)
{
for (BreakpointSiteMap::Enum e(breakpointSites); !e.empty(); e.popFront()) {
BreakpointSite *site = e.front().value;
// clearTrap and nextbp are necessary here to avoid possibly
// reading *site or *bp after destroying it.
bool scriptGone = IsAboutToBeFinalized(cx, site->script);
bool clearTrap = scriptGone && site->hasTrap();
Breakpoint *nextbp;
for (Breakpoint *bp = site->firstBreakpoint(); bp; bp = nextbp) {
nextbp = bp->nextInSite();
if (scriptGone || IsAboutToBeFinalized(cx, bp->debugger->toJSObject()))
bp->destroy(cx, &e);
}
if (clearTrap)
site->clearTrap(cx, &e);
}
}
