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