forked from OSchip/llvm-project
218 lines
7.0 KiB
C++
218 lines
7.0 KiB
C++
//===-- VSCode.h ------------------------------------------------*- C++ -*-===//
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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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#ifndef LLDB_TOOLS_LLDB_VSCODE_VSCODE_H
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#define LLDB_TOOLS_LLDB_VSCODE_VSCODE_H
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#include "llvm/Config/llvm-config.h" // for LLVM_ON_UNIX
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#include <condition_variable>
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#include <cstdio>
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#include <iosfwd>
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#include <map>
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#include <set>
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#include <thread>
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/DenseSet.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/JSON.h"
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#include "llvm/Support/raw_ostream.h"
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#include "lldb/API/SBAttachInfo.h"
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#include "lldb/API/SBBreakpoint.h"
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#include "lldb/API/SBBreakpointLocation.h"
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#include "lldb/API/SBCommandInterpreter.h"
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#include "lldb/API/SBCommandReturnObject.h"
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#include "lldb/API/SBCommunication.h"
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#include "lldb/API/SBDebugger.h"
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#include "lldb/API/SBEvent.h"
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#include "lldb/API/SBHostOS.h"
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#include "lldb/API/SBInstruction.h"
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#include "lldb/API/SBInstructionList.h"
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#include "lldb/API/SBLanguageRuntime.h"
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#include "lldb/API/SBLaunchInfo.h"
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#include "lldb/API/SBLineEntry.h"
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#include "lldb/API/SBListener.h"
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#include "lldb/API/SBProcess.h"
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#include "lldb/API/SBStream.h"
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#include "lldb/API/SBStringList.h"
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#include "lldb/API/SBTarget.h"
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#include "lldb/API/SBThread.h"
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#include "ExceptionBreakpoint.h"
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#include "FunctionBreakpoint.h"
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#include "IOStream.h"
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#include "ProgressEvent.h"
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#include "RunInTerminal.h"
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#include "SourceBreakpoint.h"
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#include "SourceReference.h"
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#define VARREF_LOCALS (int64_t)1
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#define VARREF_GLOBALS (int64_t)2
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#define VARREF_REGS (int64_t)3
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#define VARREF_FIRST_VAR_IDX (int64_t)4
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#define VARREF_IS_SCOPE(v) (VARREF_LOCALS <= 1 && v < VARREF_FIRST_VAR_IDX)
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#define VARIDX_TO_VARREF(i) ((i) + VARREF_FIRST_VAR_IDX)
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#define VARREF_TO_VARIDX(v) ((v)-VARREF_FIRST_VAR_IDX)
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#define NO_TYPENAME "<no-type>"
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namespace lldb_vscode {
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typedef llvm::DenseMap<uint32_t, SourceBreakpoint> SourceBreakpointMap;
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typedef llvm::StringMap<FunctionBreakpoint> FunctionBreakpointMap;
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enum class OutputType { Console, Stdout, Stderr, Telemetry };
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enum VSCodeBroadcasterBits {
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eBroadcastBitStopEventThread = 1u << 0,
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eBroadcastBitStopProgressThread = 1u << 1
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};
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typedef void (*RequestCallback)(const llvm::json::Object &command);
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enum class PacketStatus {
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Success = 0,
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EndOfFile,
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JSONMalformed,
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JSONNotObject
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};
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struct VSCode {
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std::string debug_adaptor_path;
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InputStream input;
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OutputStream output;
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lldb::SBDebugger debugger;
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lldb::SBTarget target;
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lldb::SBValueList variables;
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lldb::SBBroadcaster broadcaster;
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int64_t num_regs;
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int64_t num_locals;
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int64_t num_globals;
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std::thread event_thread;
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std::thread progress_event_thread;
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std::unique_ptr<std::ofstream> log;
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llvm::DenseMap<lldb::addr_t, int64_t> addr_to_source_ref;
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llvm::DenseMap<int64_t, SourceReference> source_map;
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llvm::StringMap<SourceBreakpointMap> source_breakpoints;
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FunctionBreakpointMap function_breakpoints;
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std::vector<ExceptionBreakpoint> exception_breakpoints;
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std::vector<std::string> init_commands;
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std::vector<std::string> pre_run_commands;
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std::vector<std::string> exit_commands;
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std::vector<std::string> stop_commands;
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std::vector<std::string> terminate_commands;
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lldb::tid_t focus_tid;
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bool sent_terminated_event;
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bool stop_at_entry;
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bool is_attach;
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uint32_t reverse_request_seq;
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std::map<std::string, RequestCallback> request_handlers;
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bool waiting_for_run_in_terminal;
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ProgressEventFilterQueue progress_event_queue;
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// Keep track of the last stop thread index IDs as threads won't go away
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// unless we send a "thread" event to indicate the thread exited.
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llvm::DenseSet<lldb::tid_t> thread_ids;
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VSCode();
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~VSCode();
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VSCode(const VSCode &rhs) = delete;
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void operator=(const VSCode &rhs) = delete;
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int64_t GetLineForPC(int64_t sourceReference, lldb::addr_t pc) const;
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ExceptionBreakpoint *GetExceptionBreakpoint(const std::string &filter);
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ExceptionBreakpoint *GetExceptionBreakpoint(const lldb::break_id_t bp_id);
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// Send the JSON in "json_str" to the "out" stream. Correctly send the
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// "Content-Length:" field followed by the length, followed by the raw
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// JSON bytes.
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void SendJSON(const std::string &json_str);
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// Serialize the JSON value into a string and send the JSON packet to
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// the "out" stream.
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void SendJSON(const llvm::json::Value &json);
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std::string ReadJSON();
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void SendOutput(OutputType o, const llvm::StringRef output);
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void SendProgressEvent(const ProgressEvent &event);
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void __attribute__((format(printf, 3, 4)))
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SendFormattedOutput(OutputType o, const char *format, ...);
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static int64_t GetNextSourceReference();
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ExceptionBreakpoint *GetExceptionBPFromStopReason(lldb::SBThread &thread);
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lldb::SBThread GetLLDBThread(const llvm::json::Object &arguments);
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lldb::SBFrame GetLLDBFrame(const llvm::json::Object &arguments);
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llvm::json::Value CreateTopLevelScopes();
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void RunLLDBCommands(llvm::StringRef prefix,
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const std::vector<std::string> &commands);
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void RunInitCommands();
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void RunPreRunCommands();
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void RunStopCommands();
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void RunExitCommands();
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void RunTerminateCommands();
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/// Create a new SBTarget object from the given request arguments.
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/// \param[in] arguments
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/// Launch configuration arguments.
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///
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/// \param[out] error
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/// An SBError object that will contain an error description if
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/// function failed to create the target.
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///
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/// \return
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/// An SBTarget object.
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lldb::SBTarget CreateTargetFromArguments(const llvm::json::Object &arguments,
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lldb::SBError &error);
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/// Set given target object as a current target for lldb-vscode and start
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/// listeing for its breakpoint events.
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void SetTarget(const lldb::SBTarget target);
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const std::map<std::string, RequestCallback> &GetRequestHandlers();
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PacketStatus GetNextObject(llvm::json::Object &object);
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bool HandleObject(const llvm::json::Object &object);
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/// Send a Debug Adapter Protocol reverse request to the IDE
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///
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/// \param[in] request
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/// The payload of the request to send.
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///
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/// \param[out] response
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/// The response of the IDE. It might be undefined if there was an error.
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///
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/// \return
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/// A \a PacketStatus object indicating the sucess or failure of the
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/// request.
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PacketStatus SendReverseRequest(llvm::json::Object request,
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llvm::json::Object &response);
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/// Registers a callback handler for a Debug Adapter Protocol request
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///
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/// \param[in] request
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/// The name of the request following the Debug Adapter Protocol
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/// specification.
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///
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/// \param[in] callback
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/// The callback to execute when the given request is triggered by the
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/// IDE.
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void RegisterRequestCallback(std::string request, RequestCallback callback);
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};
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extern VSCode g_vsc;
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} // namespace lldb_vscode
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#endif
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