1//===-- CommandObjectScript.cpp ---------------------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "lldb/lldb-python.h" 11 12#include "CommandObjectScript.h" 13 14// C Includes 15// C++ Includes 16// Other libraries and framework includes 17// Project includes 18 19#include "lldb/Core/Debugger.h" 20 21#include "lldb/DataFormatters/DataVisualization.h" 22 23#include "lldb/Interpreter/Args.h" 24#include "lldb/Interpreter/CommandInterpreter.h" 25#include "lldb/Interpreter/CommandReturnObject.h" 26#include "lldb/Interpreter/ScriptInterpreter.h" 27 28using namespace lldb; 29using namespace lldb_private; 30 31//------------------------------------------------------------------------- 32// CommandObjectScript 33//------------------------------------------------------------------------- 34 35CommandObjectScript::CommandObjectScript (CommandInterpreter &interpreter, ScriptLanguage script_lang) : 36 CommandObjectRaw (interpreter, 37 "script", 38 "Pass an expression to the script interpreter for evaluation and return the results. Drop into the interactive interpreter if no expression is given.", 39 "script [<script-expression-for-evaluation>]") 40{ 41} 42 43CommandObjectScript::~CommandObjectScript () 44{ 45} 46 47bool 48CommandObjectScript::DoExecute 49( 50 const char *command, 51 CommandReturnObject &result 52) 53{ 54#ifdef LLDB_DISABLE_PYTHON 55 // if we ever support languages other than Python this simple #ifdef won't work 56 result.AppendError("your copy of LLDB does not support scripting."); 57 result.SetStatus (eReturnStatusFailed); 58 return false; 59#else 60 if (m_interpreter.GetDebugger().GetScriptLanguage() == lldb::eScriptLanguageNone) 61 { 62 result.AppendError("the script-lang setting is set to none - scripting not available"); 63 result.SetStatus (eReturnStatusFailed); 64 return false; 65 } 66 67 ScriptInterpreter *script_interpreter = m_interpreter.GetScriptInterpreter (); 68 69 if (script_interpreter == NULL) 70 { 71 result.AppendError("no script interpreter"); 72 result.SetStatus (eReturnStatusFailed); 73 return false; 74 } 75 76 DataVisualization::ForceUpdate(); // script might change Python code we use for formatting.. make sure we keep up to date with it 77 78 if (command == NULL || command[0] == '\0') 79 { 80 script_interpreter->ExecuteInterpreterLoop (); 81 result.SetStatus (eReturnStatusSuccessFinishNoResult); 82 return result.Succeeded(); 83 } 84 85 // We can do better when reporting the status of one-liner script execution. 86 if (script_interpreter->ExecuteOneLine (command, &result)) 87 result.SetStatus(eReturnStatusSuccessFinishNoResult); 88 else 89 result.SetStatus(eReturnStatusFailed); 90 91 return result.Succeeded(); 92#endif 93} 94