llvm-project/lldb/source/Commands/CommandObjectPlugin.cpp

95 lines
3.1 KiB
C++

//===-- CommandObjectPlugin.cpp ---------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "CommandObjectPlugin.h"
#include "lldb/Host/Host.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
using namespace lldb;
using namespace lldb_private;
class CommandObjectPluginLoad : public CommandObjectParsed {
public:
CommandObjectPluginLoad(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "plugin load",
"Import a dylib that implements an LLDB plugin.",
nullptr) {
CommandArgumentEntry arg1;
CommandArgumentData cmd_arg;
// Define the first (and only) variant of this arg.
cmd_arg.arg_type = eArgTypeFilename;
cmd_arg.arg_repetition = eArgRepeatPlain;
// There is only one variant this argument could be; put it into the
// argument entry.
arg1.push_back(cmd_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg1);
}
~CommandObjectPluginLoad() override = default;
int HandleArgumentCompletion(
CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
auto completion_str = request.GetParsedLine()[request.GetCursorIndex()].ref;
completion_str = completion_str.take_front(request.GetCursorCharPosition());
bool word_complete = request.GetWordComplete();
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion,
completion_str, request.GetMatchStartPoint(),
request.GetMaxReturnElements(), nullptr, word_complete,
request.GetMatches());
request.SetWordComplete(word_complete);
return request.GetMatches().GetSize();
}
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
size_t argc = command.GetArgumentCount();
if (argc != 1) {
result.AppendError("'plugin load' requires one argument");
result.SetStatus(eReturnStatusFailed);
return false;
}
Status error;
FileSpec dylib_fspec(command[0].ref, true);
if (m_interpreter.GetDebugger().LoadPlugin(dylib_fspec, error))
result.SetStatus(eReturnStatusSuccessFinishResult);
else {
result.AppendError(error.AsCString());
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
};
CommandObjectPlugin::CommandObjectPlugin(CommandInterpreter &interpreter)
: CommandObjectMultiword(interpreter, "plugin",
"Commands for managing LLDB plugins.",
"plugin <subcommand> [<subcommand-options>]") {
LoadSubCommand("load",
CommandObjectSP(new CommandObjectPluginLoad(interpreter)));
}
CommandObjectPlugin::~CommandObjectPlugin() = default;