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//===-- VSCode.h ------------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDBVSCODE_VSCODE_H_
#define LLDBVSCODE_VSCODE_H_
#include <iosfwd>
#include <map>
#include <set>
#include <stdio.h>
#include <thread>
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/raw_ostream.h"
#include "lldb/API/SBAttachInfo.h"
#include "lldb/API/SBBreakpoint.h"
#include "lldb/API/SBBreakpointLocation.h"
#include "lldb/API/SBCommandInterpreter.h"
#include "lldb/API/SBCommandReturnObject.h"
#include "lldb/API/SBCommunication.h"
#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBEvent.h"
#include "lldb/API/SBHostOS.h"
#include "lldb/API/SBInstruction.h"
#include "lldb/API/SBInstructionList.h"
#include "lldb/API/SBLanguageRuntime.h"
#include "lldb/API/SBLaunchInfo.h"
#include "lldb/API/SBLineEntry.h"
#include "lldb/API/SBListener.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBStream.h"
#include "lldb/API/SBStringList.h"
#include "lldb/API/SBTarget.h"
#include "lldb/API/SBThread.h"
#include "ExceptionBreakpoint.h"
#include "FunctionBreakpoint.h"
#include "IOStream.h"
#include "SourceBreakpoint.h"
#include "SourceReference.h"
#define VARREF_LOCALS (int64_t)1
#define VARREF_GLOBALS (int64_t)2
#define VARREF_REGS (int64_t)3
#define VARREF_FIRST_VAR_IDX (int64_t)4
#define VARREF_IS_SCOPE(v) (VARREF_LOCALS <= 1 && v < VARREF_FIRST_VAR_IDX)
#define VARIDX_TO_VARREF(i) ((i) + VARREF_FIRST_VAR_IDX)
#define VARREF_TO_VARIDX(v) ((v)-VARREF_FIRST_VAR_IDX)
#define NO_TYPENAME "<no-type>"
namespace lldb_vscode {
typedef llvm::DenseMap<uint32_t, SourceBreakpoint> SourceBreakpointMap;
typedef llvm::StringMap<FunctionBreakpoint> FunctionBreakpointMap;
enum class OutputType { Console, Stdout, Stderr, Telemetry };
struct VSCode {
InputStream input;
OutputStream output;
lldb::SBDebugger debugger;
lldb::SBTarget target;
lldb::SBAttachInfo attach_info;
lldb::SBLaunchInfo launch_info;
lldb::SBValueList variables;
lldb::SBBroadcaster broadcaster;
int64_t num_regs;
int64_t num_locals;
int64_t num_globals;
std::thread event_thread;
std::unique_ptr<std::ofstream> log;
llvm::DenseMap<lldb::addr_t, int64_t> addr_to_source_ref;
llvm::DenseMap<int64_t, SourceReference> source_map;
llvm::StringMap<SourceBreakpointMap> source_breakpoints;
FunctionBreakpointMap function_breakpoints;
std::vector<ExceptionBreakpoint> exception_breakpoints;
std::vector<std::string> init_commands;
std::vector<std::string> pre_run_commands;
std::vector<std::string> exit_commands;
std::vector<std::string> stop_commands;
lldb::tid_t focus_tid;
bool sent_terminated_event;
bool stop_at_entry;
// Keep track of the last stop thread index IDs as threads won't go away
// unless we send a "thread" event to indicate the thread exited.
llvm::DenseSet<lldb::tid_t> thread_ids;
VSCode();
~VSCode();
VSCode(const VSCode &rhs) = delete;
void operator=(const VSCode &rhs) = delete;
int64_t GetLineForPC(int64_t sourceReference, lldb::addr_t pc) const;
ExceptionBreakpoint *GetExceptionBreakpoint(const std::string &filter);
ExceptionBreakpoint *GetExceptionBreakpoint(const lldb::break_id_t bp_id);
//----------------------------------------------------------------------
// Send the JSON in "json_str" to the "out" stream. Correctly send the
// "Content-Length:" field followed by the length, followed by the raw
// JSON bytes.
//----------------------------------------------------------------------
void SendJSON(const std::string &json_str);
//----------------------------------------------------------------------
// Serialize the JSON value into a string and send the JSON packet to
// the "out" stream.
//----------------------------------------------------------------------
void SendJSON(const llvm::json::Value &json);
std::string ReadJSON();
void SendOutput(OutputType o, const llvm::StringRef output);
void __attribute__((format(printf, 3, 4)))
SendFormattedOutput(OutputType o, const char *format, ...);
static int64_t GetNextSourceReference();
ExceptionBreakpoint *GetExceptionBPFromStopReason(lldb::SBThread &thread);
lldb::SBThread GetLLDBThread(const llvm::json::Object &arguments);
lldb::SBFrame GetLLDBFrame(const llvm::json::Object &arguments);
llvm::json::Value CreateTopLevelScopes();
void RunLLDBCommands(llvm::StringRef prefix,
const std::vector<std::string> &commands);
void RunInitCommands();
void RunPreRunCommands();
void RunStopCommands();
void RunExitCommands();
};
extern VSCode g_vsc;
} // namespace lldb_vscode
#endif
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