llvm-project/lldb/source/Interpreter/CommandObjectScript.cpp

110 lines
2.9 KiB
C++

//===-- CommandObjectScript.cpp ---------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "CommandObjectScript.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Interpreter/Args.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Interpreter/ScriptInterpreter.h"
#include "lldb/Interpreter/ScriptInterpreterPython.h"
#include "lldb/Interpreter/ScriptInterpreterNone.h"
using namespace lldb;
using namespace lldb_private;
//-------------------------------------------------------------------------
// CommandObjectScript
//-------------------------------------------------------------------------
CommandObjectScript::CommandObjectScript (CommandInterpreter &interpreter, ScriptLanguage script_lang) :
CommandObject (interpreter,
"script",
"Pass an expression to the script interpreter for evaluation and return the results. Drop into the interactive interpreter if no expression is given.",
"script [<script-expression-for-evaluation>]"),
m_script_lang (script_lang),
m_interpreter_ap ()
{
}
CommandObjectScript::~CommandObjectScript ()
{
}
bool
CommandObjectScript::ExecuteRawCommandString
(
const char *command,
CommandReturnObject &result
)
{
ScriptInterpreter *script_interpreter = GetInterpreter ();
if (script_interpreter == NULL)
{
result.AppendError("no script interpeter");
result.SetStatus (eReturnStatusFailed);
}
if (command == NULL || command[0] == '\0') {
script_interpreter->ExecuteInterpreterLoop ();
result.SetStatus (eReturnStatusSuccessFinishNoResult);
return result.Succeeded();
}
// We can do better when reporting the status of one-liner script execution.
if (script_interpreter->ExecuteOneLine (command, &result))
result.SetStatus(eReturnStatusSuccessFinishNoResult);
else
result.SetStatus(eReturnStatusFailed);
return result.Succeeded();
}
bool
CommandObjectScript::WantsRawCommandString()
{
return true;
}
bool
CommandObjectScript::Execute
(
Args& command,
CommandReturnObject &result
)
{
// everything should be handled in ExecuteRawCommandString
return false;
}
ScriptInterpreter *
CommandObjectScript::GetInterpreter ()
{
if (m_interpreter_ap.get() == NULL)
{
switch (m_script_lang)
{
case eScriptLanguagePython:
m_interpreter_ap.reset (new ScriptInterpreterPython (m_interpreter));
break;
case eScriptLanguageNone:
m_interpreter_ap.reset (new ScriptInterpreterNone (m_interpreter));
break;
}
}
return m_interpreter_ap.get();
}