bool
SavedStacks::insertFrames(JSContext *cx, ScriptFrameIter &iter, MutableHandle<SavedFrame*> frame)
{
if (iter.done()) {
frame.set(nullptr);
return true;
}
ScriptFrameIter thisFrame(iter);
Rooted<SavedFrame*> parentFrame(cx);
if (!insertFrames(cx, ++iter, &parentFrame))
return false;
RootedScript script(cx, thisFrame.script());
RootedFunction callee(cx, thisFrame.maybeCallee());
const char *filename = script->filename();
RootedAtom source(cx, Atomize(cx, filename, strlen(filename)));
if (!source)
return false;
uint32_t column;
uint32_t line = PCToLineNumber(script, thisFrame.pc(), &column);
SavedFrame::Lookup lookup(source,
line,
column,
callee ? callee->displayAtom() : nullptr,
parentFrame,
thisFrame.compartment()->principals);
frame.set(getOrCreateSavedFrame(cx, lookup));
return frame.address() != nullptr;
}
bool
SavedStacks::saveCurrentStack(JSContext *cx, MutableHandle<SavedFrame*> frame)
{
JS_ASSERT(initialized());
JS_ASSERT(&cx->compartment()->savedStacks() == this);
ScriptFrameIter iter(cx);
return insertFrames(cx, iter, frame);
}
bool
SavedStacks::saveCurrentStack(JSContext *cx, MutableHandleSavedFrame frame, unsigned maxFrameCount)
{
JS_ASSERT(initialized());
assertSameCompartment(cx, this);
FrameIter iter(cx, FrameIter::ALL_CONTEXTS, FrameIter::GO_THROUGH_SAVED);
return insertFrames(cx, iter, frame, maxFrameCount);
}
