diff options
Diffstat (limited to 'lldb/source/Interpreter/ScriptInterpreterPython.cpp')
| -rw-r--r-- | lldb/source/Interpreter/ScriptInterpreterPython.cpp | 141 |
1 files changed, 140 insertions, 1 deletions
diff --git a/lldb/source/Interpreter/ScriptInterpreterPython.cpp b/lldb/source/Interpreter/ScriptInterpreterPython.cpp index 2db4202d9c8..e0a88cbc338 100644 --- a/lldb/source/Interpreter/ScriptInterpreterPython.cpp +++ b/lldb/source/Interpreter/ScriptInterpreterPython.cpp @@ -41,6 +41,7 @@ static ScriptInterpreter::SWIGPythonGetChildAtIndex g_swig_get_child_index = NUL static ScriptInterpreter::SWIGPythonGetIndexOfChildWithName g_swig_get_index_child = NULL; static ScriptInterpreter::SWIGPythonCastPyObjectToSBValue g_swig_cast_to_sbvalue = NULL; static ScriptInterpreter::SWIGPythonUpdateSynthProviderInstance g_swig_update_provider = NULL; +static ScriptInterpreter::SWIGPythonCallCommand g_swig_call_command = NULL; static int _check_and_flush (FILE *stream) @@ -765,6 +766,12 @@ ScriptInterpreterPython::ExecuteOneLineWithReturn (const char *in_string, success = PyArg_Parse (py_return, format, (char **) &ret_value); break; } + case eCharStrOrNone: // char* or NULL if py_return == Py_None + { + const char format[3] = "z"; + success = PyArg_Parse (py_return, format, (char **) &ret_value); + break; + } case eBool: { const char format[2] = "b"; @@ -1251,6 +1258,70 @@ ScriptInterpreterPython::GenerateTypeScriptFunction (StringList &user_input, Str } bool +ScriptInterpreterPython::GenerateScriptAliasFunction (StringList &user_input, StringList &output) +{ + static int num_created_functions = 0; + user_input.RemoveBlankLines (); + int num_lines = user_input.GetSize (); + StreamString sstr; + + // Check to see if we have any data; if not, just return. + if (user_input.GetSize() == 0) + return false; + + // Take what the user wrote, wrap it all up inside one big auto-generated Python function, passing in the + // ValueObject as parameter to the function. + + sstr.Printf ("lldb_autogen_python_cmd_alias_func_%d", num_created_functions); + ++num_created_functions; + std::string auto_generated_function_name = sstr.GetData(); + + sstr.Clear(); + StringList auto_generated_function; + + // Create the function name & definition string. + + sstr.Printf ("def %s (debugger, args, dict):", auto_generated_function_name.c_str()); + auto_generated_function.AppendString (sstr.GetData()); + + // Pre-pend code for setting up the session dictionary. + + auto_generated_function.AppendString (" global_dict = globals()"); // Grab the global dictionary + auto_generated_function.AppendString (" new_keys = dict.keys()"); // Make a list of keys in the session dict + auto_generated_function.AppendString (" old_keys = global_dict.keys()"); // Save list of keys in global dict + auto_generated_function.AppendString (" global_dict.update (dict)"); // Add the session dictionary to the + // global dictionary. + + // Wrap everything up inside the function, increasing the indentation. + + for (int i = 0; i < num_lines; ++i) + { + sstr.Clear (); + sstr.Printf (" %s", user_input.GetStringAtIndex (i)); + auto_generated_function.AppendString (sstr.GetData()); + } + + // Append code to clean up the global dictionary and update the session dictionary (all updates in the function + // got written to the values in the global dictionary, not the session dictionary). + + auto_generated_function.AppendString (" for key in new_keys:"); // Iterate over all the keys from session dict + auto_generated_function.AppendString (" dict[key] = global_dict[key]"); // Update session dict values + auto_generated_function.AppendString (" if key not in old_keys:"); // If key was not originally in global dict + auto_generated_function.AppendString (" del global_dict[key]"); // ...then remove key/value from global dict + + // Verify that the results are valid Python. + + if (!ExportFunctionDefinitionToInterpreter (auto_generated_function)) + return false; + + // Store the name of the auto-generated function to be called. + + output.AppendString (auto_generated_function_name.c_str()); + return true; +} + + +bool ScriptInterpreterPython::GenerateTypeSynthClass (StringList &user_input, StringList &output) { static int num_created_classes = 0; @@ -1835,6 +1906,72 @@ ScriptInterpreterPython::CastPyObjectToSBValue (void* data) return ret_val; } +bool +ScriptInterpreterPython::RunScriptBasedCommand(const char* impl_function, + const char* args, + lldb::SBStream& stream, + Error& error) +{ + if (!impl_function) + { + error.SetErrorString("no function to execute"); + return false; + } + + if (!g_swig_call_command) + { + error.SetErrorString("no helper function to run scripted commands"); + return false; + } + + ScriptInterpreterPython *python_interpreter = this; + + lldb::DebuggerSP debugger_sp = m_interpreter.GetDebugger().GetSP(); + + bool ret_val; + + std::string err_msg; + + FILE *tmp_fh = (python_interpreter->m_dbg_stdout ? python_interpreter->m_dbg_stdout : stdout); + if (CurrentThreadHasPythonLock()) + { + python_interpreter->EnterSession (); + ret_val = g_swig_call_command (impl_function, + python_interpreter->m_dictionary_name.c_str(), + debugger_sp, + args, + err_msg, + stream); + python_interpreter->LeaveSession (); + } + else + { + while (!GetPythonLock (1)) + fprintf (tmp_fh, + "Python interpreter locked on another thread; waiting to acquire lock...\n"); + python_interpreter->EnterSession (); + ret_val = g_swig_call_command (impl_function, + python_interpreter->m_dictionary_name.c_str(), + debugger_sp, + args, + err_msg, + stream); + python_interpreter->LeaveSession (); + ReleasePythonLock (); + } + + if (!ret_val) + error.SetErrorString(err_msg.c_str()); + else + error.Clear(); + + return ret_val; + + + return true; + +} + void ScriptInterpreterPython::InitializeInterpreter (SWIGInitCallback python_swig_init_callback, @@ -1845,7 +1982,8 @@ ScriptInterpreterPython::InitializeInterpreter (SWIGInitCallback python_swig_ini SWIGPythonGetChildAtIndex python_swig_get_child_index, SWIGPythonGetIndexOfChildWithName python_swig_get_index_child, SWIGPythonCastPyObjectToSBValue python_swig_cast_to_sbvalue, - SWIGPythonUpdateSynthProviderInstance python_swig_update_provider) + SWIGPythonUpdateSynthProviderInstance python_swig_update_provider, + SWIGPythonCallCommand python_swig_call_command) { g_swig_init_callback = python_swig_init_callback; g_swig_breakpoint_callback = python_swig_breakpoint_callback; @@ -1856,6 +1994,7 @@ ScriptInterpreterPython::InitializeInterpreter (SWIGInitCallback python_swig_ini g_swig_get_index_child = python_swig_get_index_child; g_swig_cast_to_sbvalue = python_swig_cast_to_sbvalue; g_swig_update_provider = python_swig_update_provider; + g_swig_call_command = python_swig_call_command; } void |
