src/developer/debug/zxdb/expr/mock_expr_node.cc

// 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.

#include "src/developer/debug/zxdb/expr/mock_expr_node.h"

#include "src/developer/debug/shared/message_loop.h"
#include "src/developer/debug/zxdb/common/err.h"
#include "src/developer/debug/zxdb/expr/vm_stream.h"

namespace zxdb {

MockExprNode::MockExprNode(bool is_synchronous, ErrOrValue value)
    : is_synchronous_(is_synchronous), value_(std::move(value)) {}

MockExprNode::~MockExprNode() = default;

void MockExprNode::EmitBytecode(VmStream& stream) const {
  if (is_synchronous_) {
    stream.push_back(
        VmOp::MakeCallback0([value = value_](const fxl::RefPtr<EvalContext>&) { return value; }));
  } else {
    stream.push_back(VmOp::MakeAsyncCallback0(
        [value = value_](const fxl::RefPtr<EvalContext>&, EvalCallback cb) {
          debug::MessageLoop::Current()->PostTask(
              FROM_HERE, [value, cb = std::move(cb)]() mutable { cb(value); });
        }));
  }
}

void MockExprNode::Print(std::ostream& out, int indent) const {}

}  // namespace zxdb