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//===-- CommandObjectScript.cpp -------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "CommandObjectScript.h"
#include "lldb/Core/Debugger.h"
#include "lldb/DataFormatters/DataVisualization.h"
#include "lldb/Host/Config.h"
#include "lldb/Host/OptionParser.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Interpreter/OptionArgParser.h"
#include "lldb/Interpreter/ScriptInterpreter.h"
#include "lldb/Utility/Args.h"
using namespace lldb;
using namespace lldb_private;
static constexpr OptionEnumValueElement g_script_option_enumeration[] = {
{
eScriptLanguagePython,
"python",
"Python",
},
{
eScriptLanguageLua,
"lua",
"Lua",
},
{
eScriptLanguageNone,
"default",
"The default scripting language.",
},
};
static constexpr OptionEnumValues ScriptOptionEnum() {
return OptionEnumValues(g_script_option_enumeration);
}
#define LLDB_OPTIONS_script
#include "CommandOptions.inc"
Status CommandObjectScript::CommandOptions::SetOptionValue(
uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'l':
language = (lldb::ScriptLanguage)OptionArgParser::ToOptionEnum(
option_arg, GetDefinitions()[option_idx].enum_values,
eScriptLanguageNone, error);
if (!error.Success())
error.SetErrorStringWithFormat("unrecognized value for language '%s'",
option_arg.str().c_str());
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void CommandObjectScript::CommandOptions::OptionParsingStarting(
ExecutionContext *execution_context) {
language = lldb::eScriptLanguageNone;
}
llvm::ArrayRef<OptionDefinition>
CommandObjectScript::CommandOptions::GetDefinitions() {
return llvm::makeArrayRef(g_script_options);
}
CommandObjectScript::CommandObjectScript(CommandInterpreter &interpreter)
: CommandObjectRaw(
interpreter, "script",
"Invoke the script interpreter with provided code and display any "
"results. Start the interactive interpreter if no code is supplied.",
"script [--language <scripting-language> --] [<script-code>]") {}
CommandObjectScript::~CommandObjectScript() = default;
bool CommandObjectScript::DoExecute(llvm::StringRef command,
CommandReturnObject &result) {
// Try parsing the language option but when the command contains a raw part
// separated by the -- delimiter.
OptionsWithRaw raw_args(command);
if (raw_args.HasArgs()) {
if (!ParseOptions(raw_args.GetArgs(), result))
return false;
command = raw_args.GetRawPart();
}
lldb::ScriptLanguage language =
(m_options.language == lldb::eScriptLanguageNone)
? m_interpreter.GetDebugger().GetScriptLanguage()
: m_options.language;
if (language == lldb::eScriptLanguageNone) {
result.AppendError(
"the script-lang setting is set to none - scripting not available");
return false;
}
ScriptInterpreter *script_interpreter =
GetDebugger().GetScriptInterpreter(true, language);
if (script_interpreter == nullptr) {
result.AppendError("no script interpreter");
return false;
}
// Script might change Python code we use for formatting. Make sure we keep
// up to date with it.
DataVisualization::ForceUpdate();
if (command.empty()) {
script_interpreter->ExecuteInterpreterLoop();
result.SetStatus(eReturnStatusSuccessFinishNoResult);
return result.Succeeded();
}
// We can do better when reporting the status of one-liner script execution.
if (script_interpreter->ExecuteOneLine(command, &result))
result.SetStatus(eReturnStatusSuccessFinishNoResult);
else
result.SetStatus(eReturnStatusFailed);
return result.Succeeded();
}
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