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//===-- CommandPlugins.cpp ------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "CommandPlugins.h"
#include "Handler/ResponseHandler.h"
#include "JSONUtils.h"
#include "lldb/API/SBStream.h"
using namespace lldb_dap;
bool StartDebuggingCommand::DoExecute(lldb::SBDebugger debugger, char **command,
lldb::SBCommandReturnObject &result) {
// Command format like: `start-debugging <launch|attach> <configuration>`
if (!command) {
result.SetError("Invalid use of start-debugging, expected format "
"`start-debugging <launch|attach> <configuration>`.");
return false;
}
if (!command[0] || llvm::StringRef(command[0]).empty()) {
result.SetError("start-debugging request type missing.");
return false;
}
if (!command[1] || llvm::StringRef(command[1]).empty()) {
result.SetError("start-debugging debug configuration missing.");
return false;
}
llvm::StringRef request{command[0]};
std::string raw_configuration{command[1]};
llvm::Expected<llvm::json::Value> configuration =
llvm::json::parse(raw_configuration);
if (!configuration) {
llvm::Error err = configuration.takeError();
std::string msg = "Failed to parse json configuration: " +
llvm::toString(std::move(err)) + "\n\n" +
raw_configuration;
result.SetError(msg.c_str());
return false;
}
dap.SendReverseRequest<LogFailureResponseHandler>(
"startDebugging",
llvm::json::Object{{"request", request},
{"configuration", std::move(*configuration)}});
result.SetStatus(lldb::eReturnStatusSuccessFinishNoResult);
return true;
}
bool ReplModeCommand::DoExecute(lldb::SBDebugger debugger, char **command,
lldb::SBCommandReturnObject &result) {
// Command format like: `repl-mode <variable|command|auto>?`
// If a new mode is not specified report the current mode.
if (!command || llvm::StringRef(command[0]).empty()) {
std::string mode;
switch (dap.repl_mode) {
case ReplMode::Variable:
mode = "variable";
break;
case ReplMode::Command:
mode = "command";
break;
case ReplMode::Auto:
mode = "auto";
break;
}
result.Printf("lldb-dap repl-mode %s.\n", mode.c_str());
result.SetStatus(lldb::eReturnStatusSuccessFinishResult);
return true;
}
llvm::StringRef new_mode{command[0]};
if (new_mode == "variable") {
dap.repl_mode = ReplMode::Variable;
} else if (new_mode == "command") {
dap.repl_mode = ReplMode::Command;
} else if (new_mode == "auto") {
dap.repl_mode = ReplMode::Auto;
} else {
lldb::SBStream error_message;
error_message.Printf("Invalid repl-mode '%s'. Expected one of 'variable', "
"'command' or 'auto'.\n",
new_mode.data());
result.SetError(error_message.GetData());
return false;
}
result.Printf("lldb-dap repl-mode %s set.\n", new_mode.data());
result.SetStatus(lldb::eReturnStatusSuccessFinishNoResult);
return true;
}
/// Sends a DAP event with an optional body.
///
/// https://code.visualstudio.com/api/references/vscode-api#debug.onDidReceiveDebugSessionCustomEvent
bool SendEventCommand::DoExecute(lldb::SBDebugger debugger, char **command,
lldb::SBCommandReturnObject &result) {
// Command format like: `send-event <name> <body>?`
if (!command || !command[0] || llvm::StringRef(command[0]).empty()) {
result.SetError("Not enough arguments found, expected format "
"`lldb-dap send-event <name> <body>?`.");
return false;
}
llvm::StringRef name{command[0]};
// Events that are stateful and should be handled by lldb-dap internally.
const std::array internal_events{"breakpoint", "capabilities", "continued",
"exited", "initialize", "loadedSource",
"module", "process", "stopped",
"terminated", "thread"};
if (llvm::is_contained(internal_events, name)) {
std::string msg =
llvm::formatv("Invalid use of lldb-dap send-event, event \"{0}\" "
"should be handled by lldb-dap internally.",
name)
.str();
result.SetError(msg.c_str());
return false;
}
llvm::json::Object event(CreateEventObject(name));
if (command[1] && !llvm::StringRef(command[1]).empty()) {
// See if we have unused arguments.
if (command[2]) {
result.SetError(
"Additional arguments found, expected `lldb-dap send-event "
"<name> <body>?`.");
return false;
}
llvm::StringRef raw_body{command[1]};
llvm::Expected<llvm::json::Value> body = llvm::json::parse(raw_body);
if (!body) {
llvm::Error err = body.takeError();
std::string msg = "Failed to parse custom event body: " +
llvm::toString(std::move(err));
result.SetError(msg.c_str());
return false;
}
event.try_emplace("body", std::move(*body));
}
dap.SendJSON(llvm::json::Value(std::move(event)));
result.SetStatus(lldb::eReturnStatusSuccessFinishNoResult);
return true;
}
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