| //===-- 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/Core/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 (ScriptLanguage script_lang) : |
| CommandObject ("script", |
| "Passes an expression to the script interpreter for evaluation and returns the results. Drops user into the interactive interpreter if no expressions are given.", |
| "script [<script-expressions-for-evaluation>]"), |
| m_script_lang (script_lang), |
| m_interpreter_ap () |
| { |
| } |
| |
| CommandObjectScript::~CommandObjectScript () |
| { |
| } |
| |
| bool |
| CommandObjectScript::ExecuteRawCommandString |
| ( |
| const char *command, |
| CommandContext *context, |
| CommandInterpreter *interpreter, |
| CommandReturnObject &result |
| ) |
| { |
| std::string arg_str (command); |
| |
| ScriptInterpreter *script_interpreter = GetInterpreter (); |
| |
| if (script_interpreter == NULL) |
| { |
| result.AppendError("no script interpeter"); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| |
| FILE *out_fh = Debugger::GetSharedInstance().GetOutputFileHandle(); |
| FILE *err_fh = Debugger::GetSharedInstance().GetOutputFileHandle(); |
| if (out_fh && err_fh) |
| { |
| if (arg_str.empty()) |
| script_interpreter->ExecuteInterpreterLoop (out_fh, err_fh); |
| else |
| script_interpreter->ExecuteOneLine (arg_str, out_fh, err_fh); |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| } |
| else |
| { |
| if (out_fh == NULL) |
| result.AppendError("invalid output file handle"); |
| else |
| result.AppendError("invalid error file handle"); |
| } |
| return result.Succeeded(); |
| } |
| |
| bool |
| CommandObjectScript::WantsRawCommandString() |
| { |
| return true; |
| } |
| |
| bool |
| CommandObjectScript::Execute |
| ( |
| Args& command, |
| CommandContext *context, |
| CommandInterpreter *interpreter, |
| CommandReturnObject &result |
| ) |
| { |
| std::string arg_str; |
| ScriptInterpreter *script_interpreter = GetInterpreter (); |
| |
| if (script_interpreter == NULL) |
| { |
| result.AppendError("no script interpeter"); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| |
| const int argc = command.GetArgumentCount(); |
| for (int i = 0; i < argc; ++i) |
| arg_str.append(command.GetArgumentAtIndex(i)); |
| |
| |
| FILE *out_fh = Debugger::GetSharedInstance().GetOutputFileHandle(); |
| FILE *err_fh = Debugger::GetSharedInstance().GetOutputFileHandle(); |
| if (out_fh && err_fh) |
| { |
| if (arg_str.empty()) |
| script_interpreter->ExecuteInterpreterLoop (out_fh, err_fh); |
| else |
| script_interpreter->ExecuteOneLine (arg_str, out_fh, err_fh); |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| } |
| else |
| { |
| if (out_fh == NULL) |
| result.AppendError("invalid output file handle"); |
| else |
| result.AppendError("invalid error file handle"); |
| } |
| return result.Succeeded(); |
| } |
| |
| |
| ScriptInterpreter * |
| CommandObjectScript::GetInterpreter () |
| { |
| if (m_interpreter_ap.get() == NULL) |
| { |
| switch (m_script_lang) |
| { |
| case eScriptLanguagePython: |
| m_interpreter_ap.reset (new ScriptInterpreterPython ()); |
| break; |
| |
| case eScriptLanguageNone: |
| m_interpreter_ap.reset (new ScriptInterpreterNone ()); |
| break; |
| } |
| } |
| return m_interpreter_ap.get(); |
| } |