ad67315108
Move the command plugins out of the DAP header and into their file. This PR also renames the classes from "RequestHandler" to "Command". Although they are implemented in terms of sending requests, they are not "handlers".
164 lines
5.5 KiB
C++
164 lines
5.5 KiB
C++
//===-- CommandPlugins.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 "CommandPlugins.h"
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#include "Handler/ResponseHandler.h"
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#include "JSONUtils.h"
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#include "lldb/API/SBStream.h"
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using namespace lldb_dap;
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bool StartDebuggingCommand::DoExecute(lldb::SBDebugger debugger, char **command,
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lldb::SBCommandReturnObject &result) {
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// Command format like: `start-debugging <launch|attach> <configuration>`
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if (!command) {
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result.SetError("Invalid use of start-debugging, expected format "
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"`start-debugging <launch|attach> <configuration>`.");
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return false;
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}
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if (!command[0] || llvm::StringRef(command[0]).empty()) {
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result.SetError("start-debugging request type missing.");
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return false;
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}
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if (!command[1] || llvm::StringRef(command[1]).empty()) {
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result.SetError("start-debugging debug configuration missing.");
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return false;
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}
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llvm::StringRef request{command[0]};
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std::string raw_configuration{command[1]};
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llvm::Expected<llvm::json::Value> configuration =
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llvm::json::parse(raw_configuration);
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if (!configuration) {
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llvm::Error err = configuration.takeError();
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std::string msg = "Failed to parse json configuration: " +
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llvm::toString(std::move(err)) + "\n\n" +
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raw_configuration;
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result.SetError(msg.c_str());
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return false;
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}
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dap.SendReverseRequest<LogFailureResponseHandler>(
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"startDebugging",
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llvm::json::Object{{"request", request},
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{"configuration", std::move(*configuration)}});
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result.SetStatus(lldb::eReturnStatusSuccessFinishNoResult);
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return true;
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}
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bool ReplModeCommand::DoExecute(lldb::SBDebugger debugger, char **command,
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lldb::SBCommandReturnObject &result) {
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// Command format like: `repl-mode <variable|command|auto>?`
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// If a new mode is not specified report the current mode.
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if (!command || llvm::StringRef(command[0]).empty()) {
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std::string mode;
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switch (dap.repl_mode) {
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case ReplMode::Variable:
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mode = "variable";
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break;
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case ReplMode::Command:
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mode = "command";
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break;
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case ReplMode::Auto:
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mode = "auto";
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break;
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}
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result.Printf("lldb-dap repl-mode %s.\n", mode.c_str());
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result.SetStatus(lldb::eReturnStatusSuccessFinishResult);
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return true;
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}
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llvm::StringRef new_mode{command[0]};
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if (new_mode == "variable") {
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dap.repl_mode = ReplMode::Variable;
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} else if (new_mode == "command") {
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dap.repl_mode = ReplMode::Command;
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} else if (new_mode == "auto") {
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dap.repl_mode = ReplMode::Auto;
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} else {
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lldb::SBStream error_message;
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error_message.Printf("Invalid repl-mode '%s'. Expected one of 'variable', "
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"'command' or 'auto'.\n",
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new_mode.data());
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result.SetError(error_message.GetData());
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return false;
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}
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result.Printf("lldb-dap repl-mode %s set.\n", new_mode.data());
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result.SetStatus(lldb::eReturnStatusSuccessFinishNoResult);
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return true;
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}
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/// Sends a DAP event with an optional body.
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///
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/// https://code.visualstudio.com/api/references/vscode-api#debug.onDidReceiveDebugSessionCustomEvent
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bool SendEventCommand::DoExecute(lldb::SBDebugger debugger, char **command,
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lldb::SBCommandReturnObject &result) {
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// Command format like: `send-event <name> <body>?`
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if (!command || !command[0] || llvm::StringRef(command[0]).empty()) {
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result.SetError("Not enough arguments found, expected format "
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"`lldb-dap send-event <name> <body>?`.");
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return false;
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}
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llvm::StringRef name{command[0]};
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// Events that are stateful and should be handled by lldb-dap internally.
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const std::array internal_events{"breakpoint", "capabilities", "continued",
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"exited", "initialize", "loadedSource",
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"module", "process", "stopped",
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"terminated", "thread"};
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if (llvm::is_contained(internal_events, name)) {
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std::string msg =
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llvm::formatv("Invalid use of lldb-dap send-event, event \"{0}\" "
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"should be handled by lldb-dap internally.",
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name)
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.str();
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result.SetError(msg.c_str());
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return false;
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}
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llvm::json::Object event(CreateEventObject(name));
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if (command[1] && !llvm::StringRef(command[1]).empty()) {
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// See if we have unused arguments.
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if (command[2]) {
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result.SetError(
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"Additional arguments found, expected `lldb-dap send-event "
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"<name> <body>?`.");
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return false;
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}
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llvm::StringRef raw_body{command[1]};
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llvm::Expected<llvm::json::Value> body = llvm::json::parse(raw_body);
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if (!body) {
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llvm::Error err = body.takeError();
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std::string msg = "Failed to parse custom event body: " +
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llvm::toString(std::move(err));
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result.SetError(msg.c_str());
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return false;
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}
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event.try_emplace("body", std::move(*body));
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}
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dap.SendJSON(llvm::json::Value(std::move(event)));
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result.SetStatus(lldb::eReturnStatusSuccessFinishNoResult);
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return true;
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}
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