eaf60a4411
This is part 2, covering the commands source. Some uses remain where it's tricky to see what the logic is or they are not used with AppendError. Reviewed By: teemperor Differential Revision: https://reviews.llvm.org/D104448
137 lines
4.2 KiB
C++
137 lines
4.2 KiB
C++
//===-- CommandObjectScript.cpp -------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "CommandObjectScript.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/DataFormatters/DataVisualization.h"
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#include "lldb/Host/Config.h"
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#include "lldb/Host/OptionParser.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/CommandReturnObject.h"
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#include "lldb/Interpreter/OptionArgParser.h"
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#include "lldb/Interpreter/ScriptInterpreter.h"
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#include "lldb/Utility/Args.h"
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using namespace lldb;
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using namespace lldb_private;
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static constexpr OptionEnumValueElement g_script_option_enumeration[] = {
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{
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eScriptLanguagePython,
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"python",
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"Python",
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},
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{
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eScriptLanguageLua,
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"lua",
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"Lua",
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},
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{
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eScriptLanguageNone,
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"default",
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"The default scripting language.",
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},
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};
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static constexpr OptionEnumValues ScriptOptionEnum() {
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return OptionEnumValues(g_script_option_enumeration);
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}
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#define LLDB_OPTIONS_script
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#include "CommandOptions.inc"
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Status CommandObjectScript::CommandOptions::SetOptionValue(
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uint32_t option_idx, llvm::StringRef option_arg,
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ExecutionContext *execution_context) {
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Status error;
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const int short_option = m_getopt_table[option_idx].val;
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switch (short_option) {
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case 'l':
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language = (lldb::ScriptLanguage)OptionArgParser::ToOptionEnum(
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option_arg, GetDefinitions()[option_idx].enum_values,
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eScriptLanguageNone, error);
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if (!error.Success())
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error.SetErrorStringWithFormat("unrecognized value for language '%s'",
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option_arg.str().c_str());
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break;
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default:
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llvm_unreachable("Unimplemented option");
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}
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return error;
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}
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void CommandObjectScript::CommandOptions::OptionParsingStarting(
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ExecutionContext *execution_context) {
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language = lldb::eScriptLanguageNone;
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}
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llvm::ArrayRef<OptionDefinition>
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CommandObjectScript::CommandOptions::GetDefinitions() {
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return llvm::makeArrayRef(g_script_options);
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}
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CommandObjectScript::CommandObjectScript(CommandInterpreter &interpreter)
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: CommandObjectRaw(
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interpreter, "script",
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"Invoke the script interpreter with provided code and display any "
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"results. Start the interactive interpreter if no code is supplied.",
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"script [--language <scripting-language> --] [<script-code>]") {}
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CommandObjectScript::~CommandObjectScript() {}
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bool CommandObjectScript::DoExecute(llvm::StringRef command,
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CommandReturnObject &result) {
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// Try parsing the language option but when the command contains a raw part
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// separated by the -- delimiter.
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OptionsWithRaw raw_args(command);
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if (raw_args.HasArgs()) {
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if (!ParseOptions(raw_args.GetArgs(), result))
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return false;
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command = raw_args.GetRawPart();
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}
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lldb::ScriptLanguage language =
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(m_options.language == lldb::eScriptLanguageNone)
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? m_interpreter.GetDebugger().GetScriptLanguage()
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: m_options.language;
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if (language == lldb::eScriptLanguageNone) {
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result.AppendError(
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"the script-lang setting is set to none - scripting not available");
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return false;
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}
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ScriptInterpreter *script_interpreter =
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GetDebugger().GetScriptInterpreter(true, language);
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if (script_interpreter == nullptr) {
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result.AppendError("no script interpreter");
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return false;
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}
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// Script might change Python code we use for formatting. Make sure we keep
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// up to date with it.
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DataVisualization::ForceUpdate();
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if (command.empty()) {
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script_interpreter->ExecuteInterpreterLoop();
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result.SetStatus(eReturnStatusSuccessFinishNoResult);
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return result.Succeeded();
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}
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// We can do better when reporting the status of one-liner script execution.
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if (script_interpreter->ExecuteOneLine(command, &result))
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result.SetStatus(eReturnStatusSuccessFinishNoResult);
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else
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result.SetStatus(eReturnStatusFailed);
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return result.Succeeded();
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}
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