1 //===-- CommandObjectScript.cpp ---------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "CommandObjectScript.h" 10 #include "lldb/Core/Debugger.h" 11 #include "lldb/DataFormatters/DataVisualization.h" 12 #include "lldb/Host/Config.h" 13 #include "lldb/Interpreter/CommandInterpreter.h" 14 #include "lldb/Interpreter/CommandReturnObject.h" 15 #include "lldb/Interpreter/ScriptInterpreter.h" 16 #include "lldb/Utility/Args.h" 17 18 using namespace lldb; 19 using namespace lldb_private; 20 21 // CommandObjectScript 22 CommandObjectScript(CommandInterpreter & interpreter,ScriptLanguage script_lang)23CommandObjectScript::CommandObjectScript(CommandInterpreter &interpreter, 24 ScriptLanguage script_lang) 25 : CommandObjectRaw( 26 interpreter, "script", 27 "Invoke the script interpreter with provided code and display any " 28 "results. Start the interactive interpreter if no code is supplied.", 29 "script [<script-code>]") {} 30 ~CommandObjectScript()31CommandObjectScript::~CommandObjectScript() {} 32 DoExecute(llvm::StringRef command,CommandReturnObject & result)33bool CommandObjectScript::DoExecute(llvm::StringRef command, 34 CommandReturnObject &result) { 35 if (m_interpreter.GetDebugger().GetScriptLanguage() == 36 lldb::eScriptLanguageNone) { 37 result.AppendError( 38 "the script-lang setting is set to none - scripting not available"); 39 result.SetStatus(eReturnStatusFailed); 40 return false; 41 } 42 43 ScriptInterpreter *script_interpreter = GetDebugger().GetScriptInterpreter(); 44 45 if (script_interpreter == nullptr) { 46 result.AppendError("no script interpreter"); 47 result.SetStatus(eReturnStatusFailed); 48 return false; 49 } 50 51 // Script might change Python code we use for formatting. Make sure we keep 52 // up to date with it. 53 DataVisualization::ForceUpdate(); 54 55 if (command.empty()) { 56 script_interpreter->ExecuteInterpreterLoop(); 57 result.SetStatus(eReturnStatusSuccessFinishNoResult); 58 return result.Succeeded(); 59 } 60 61 // We can do better when reporting the status of one-liner script execution. 62 if (script_interpreter->ExecuteOneLine(command, &result)) 63 result.SetStatus(eReturnStatusSuccessFinishNoResult); 64 else 65 result.SetStatus(eReturnStatusFailed); 66 67 return result.Succeeded(); 68 } 69