52 lines · cpp
1//===-- NextRequestHandler.cpp --------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "DAP.h"10#include "EventHelper.h"11#include "LLDBUtils.h"12#include "Protocol/ProtocolTypes.h"13#include "RequestHandler.h"14#include "llvm/Support/Error.h"15 16using namespace llvm;17using namespace lldb;18using namespace lldb_dap::protocol;19 20namespace lldb_dap {21 22/// The request executes one step (in the given granularity) for the specified23/// thread and allows all other threads to run freely by resuming them. If the24/// debug adapter supports single thread execution (see capability25/// `supportsSingleThreadExecutionRequests`), setting the `singleThread`26/// argument to true prevents other suspended threads from resuming. The debug27/// adapter first sends the response and then a `stopped` event (with reason28/// `step`) after the step has completed.29Error NextRequestHandler::Run(const NextArguments &args) const {30 lldb::SBThread thread = dap.GetLLDBThread(args.threadId);31 if (!thread.IsValid())32 return make_error<DAPError>("invalid thread");33 34 if (!SBDebugger::StateIsStoppedState(dap.target.GetProcess().GetState()))35 return make_error<NotStoppedError>();36 37 // Remember the thread ID that caused the resume so we can set the38 // "threadCausedFocus" boolean value in the "stopped" events.39 dap.focus_tid = thread.GetThreadID();40 lldb::SBError error;41 if (args.granularity == eSteppingGranularityInstruction) {42 thread.StepInstruction(/*step_over=*/true, error);43 } else {44 thread.StepOver(args.singleThread ? eOnlyThisThread : eOnlyDuringStepping,45 error);46 }47 48 return ToError(error);49}50 51} // namespace lldb_dap52