33fae08405
The current implementation hides any possible error from performing a step command. It makes it easier to know where an issue is from.
64 lines
2.5 KiB
C++
64 lines
2.5 KiB
C++
//===-- StepInRequestHandler.cpp ------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "DAP.h"
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#include "EventHelper.h"
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#include "LLDBUtils.h"
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#include "Protocol/ProtocolRequests.h"
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#include "Protocol/ProtocolTypes.h"
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#include "RequestHandler.h"
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using namespace llvm;
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using namespace lldb;
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using namespace lldb_dap::protocol;
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namespace lldb_dap {
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// The request resumes the given thread to step into a function/method and
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// allows all other threads to run freely by resuming them. If the debug adapter
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// supports single thread execution (see capability
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// `supportsSingleThreadExecutionRequests`), setting the `singleThread` argument
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// to true prevents other suspended threads from resuming. If the request cannot
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// step into a target, `stepIn` behaves like the `next` request. The debug
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// adapter first sends the response and then a `stopped` event (with reason
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// `step`) after the step has completed. If there are multiple function/method
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// calls (or other targets) on the source line, the argument `targetId` can be
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// used to control into which target the `stepIn` should occur. The list of
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// possible targets for a given source line can be retrieved via the
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// `stepInTargets` request.
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Error StepInRequestHandler::Run(const StepInArguments &args) const {
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SBThread thread = dap.GetLLDBThread(args.threadId);
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if (!thread.IsValid())
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return make_error<DAPError>("invalid thread");
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// Remember the thread ID that caused the resume so we can set the
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// "threadCausedFocus" boolean value in the "stopped" events.
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dap.focus_tid = thread.GetThreadID();
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if (!SBDebugger::StateIsStoppedState(dap.target.GetProcess().GetState()))
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return make_error<NotStoppedError>();
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lldb::SBError error;
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if (args.granularity == eSteppingGranularityInstruction) {
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thread.StepInstruction(/*step_over=*/false, error);
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return ToError(error);
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}
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std::string step_in_target;
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auto it = dap.step_in_targets.find(args.targetId.value_or(0));
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if (it != dap.step_in_targets.end())
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step_in_target = it->second;
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RunMode run_mode = args.singleThread ? eOnlyThisThread : eOnlyDuringStepping;
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thread.StepInto(step_in_target.c_str(), LLDB_INVALID_LINE_NUMBER, error,
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run_mode);
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return ToError(error);
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}
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} // namespace lldb_dap
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