/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "vm/Activation-inl.h"

#include "mozilla/Assertions.h"  // MOZ_ASSERT

#include "vm/JitActivation.h"
#include "vm/JSContext.h"  // JSContext, js::TlsContext

using namespace js;

void Activation::registerProfiling() {
  MOZ_ASSERT(isProfiling());
  cx_->profilingActivation_ = this;
}

void Activation::unregisterProfiling() {
  MOZ_ASSERT(isProfiling());
  MOZ_ASSERT(cx_->profilingActivation_ == this);
  cx_->profilingActivation_ = prevProfiling_;
}

ActivationIterator::ActivationIterator(JSContext* cx)
    : activation_(cx->activation_) {
  MOZ_ASSERT(cx == TlsContext.get());
}

ActivationIterator& ActivationIterator::operator++() {
  MOZ_ASSERT(activation_);
  activation_ = activation_->prev();
  return *this;
}

void Activation::trace(JSTracer* trc) {
  if (isInterpreter()) {
    asInterpreter()->trace(trc);
    return;
  }

  asJit()->trace(trc);
}

void Activation::traceCommon(JSTracer* trc) {
  frameCache_.trace(trc);
  TraceRoot(trc, &asyncStack_, "Activation::asyncStack_");
}