// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SRC_DEVELOPER_DEBUG_ZXDB_CLIENT_BREAKPOINT_ACTION_H_
#define SRC_DEVELOPER_DEBUG_ZXDB_CLIENT_BREAKPOINT_ACTION_H_

namespace zxdb {

// What to do when a breakpoint is hit.
//
// The ordering if this enum is in increasing order or precedence. The highest numbered value is
// used when there are conflicts (see BreakpointActionHighestPrecedence() below).
enum class BreakpointAction {
  // The thread should be auto-continued as if the breakpoint was never hit.
  kContinue = 0,

  // The thread should be stopped but no notifications are issued. This is normally used when
  // determining whether the breakpoint should stop is dependent on an asynchronous operation.
  kSilentStop,

  // Thread should stop and everything should be notified as normal.
  kStop
};

// Returns the action that takes precedence. If two breakpoints are hit at the same time and they
// each report different actions, the one with the highest precedence is the action taken.
BreakpointAction BreakpointActionHighestPrecedence(BreakpointAction a, BreakpointAction b);

}  // namespace zxdb

#endif  // SRC_DEVELOPER_DEBUG_ZXDB_CLIENT_BREAKPOINT_ACTION_H_