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 28 using namespace lldb; 29 using namespace lldb_private; 30 31 //------------------------------------------------------------------------- 32 // CommandObjectScript 33 //------------------------------------------------------------------------- 34 35 CommandObjectScript::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 43 CommandObjectScript::~CommandObjectScript () 44 { 45 } 46 47 bool 48 CommandObjectScript::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
