33fae08405
The current implementation hides any possible error from performing a step command. It makes it easier to know where an issue is from.
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
//===-- NextRequestHandler.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/ProtocolTypes.h"
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#include "RequestHandler.h"
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#include "llvm/Support/Error.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 executes one step (in the given granularity) for the specified
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/// thread and allows all other threads to run freely by resuming them. If the
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/// debug adapter supports single thread execution (see capability
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/// `supportsSingleThreadExecutionRequests`), setting the `singleThread`
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/// argument to true prevents other suspended threads from resuming. 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.
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Error NextRequestHandler::Run(const NextArguments &args) const {
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lldb::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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if (!SBDebugger::StateIsStoppedState(dap.target.GetProcess().GetState()))
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return make_error<NotStoppedError>();
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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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lldb::SBError error;
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if (args.granularity == eSteppingGranularityInstruction) {
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thread.StepInstruction(/*step_over=*/true, error);
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} else {
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thread.StepOver(args.singleThread ? eOnlyThisThread : eOnlyDuringStepping,
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error);
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}
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return ToError(error);
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}
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} // namespace lldb_dap
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