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c50802cbee
This patch re-lands #161870 with fixes to the previous test failures. rdar://161834688 Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
114 lines
4.0 KiB
C++
114 lines
4.0 KiB
C++
//===----------------------------------------------------------------------===//
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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 "lldb/Core/PluginManager.h"
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#include "lldb/Host/Config.h"
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#include "lldb/Target/Thread.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/lldb-enumerations.h"
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#if LLDB_ENABLE_PYTHON
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// LLDB Python header must be included first
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#include "../lldb-python.h"
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#include "../SWIGPythonBridge.h"
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#include "../ScriptInterpreterPythonImpl.h"
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#include "ScriptedFrameProviderPythonInterface.h"
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#include <optional>
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using namespace lldb;
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using namespace lldb_private;
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using namespace lldb_private::python;
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using Locker = ScriptInterpreterPythonImpl::Locker;
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ScriptedFrameProviderPythonInterface::ScriptedFrameProviderPythonInterface(
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ScriptInterpreterPythonImpl &interpreter)
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: ScriptedFrameProviderInterface(), ScriptedPythonInterface(interpreter) {}
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bool ScriptedFrameProviderPythonInterface::AppliesToThread(
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llvm::StringRef class_name, lldb::ThreadSP thread_sp) {
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// If there is any issue with this method, we will just assume it also applies
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// to this thread which is the default behavior.
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constexpr bool fail_value = true;
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Status error;
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StructuredData::ObjectSP obj =
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CallStaticMethod(class_name, "applies_to_thread", error, thread_sp);
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if (!ScriptedInterface::CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj,
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error))
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return fail_value;
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return obj->GetBooleanValue(fail_value);
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}
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llvm::Expected<StructuredData::GenericSP>
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ScriptedFrameProviderPythonInterface::CreatePluginObject(
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const llvm::StringRef class_name, lldb::StackFrameListSP input_frames,
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StructuredData::DictionarySP args_sp) {
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if (!input_frames)
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return llvm::createStringError("invalid frame list");
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StructuredDataImpl sd_impl(args_sp);
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return ScriptedPythonInterface::CreatePluginObject(class_name, nullptr,
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input_frames, sd_impl);
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}
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std::string ScriptedFrameProviderPythonInterface::GetDescription(
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llvm::StringRef class_name) {
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Status error;
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StructuredData::ObjectSP obj =
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CallStaticMethod(class_name, "get_description", error);
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if (!ScriptedInterface::CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj,
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error))
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return {};
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return obj->GetStringValue().str();
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}
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StructuredData::ObjectSP
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ScriptedFrameProviderPythonInterface::GetFrameAtIndex(uint32_t index) {
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Status error;
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StructuredData::ObjectSP obj = Dispatch("get_frame_at_index", error, index);
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if (!ScriptedInterface::CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj,
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error))
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return {};
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return obj;
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}
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bool ScriptedFrameProviderPythonInterface::CreateInstance(
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lldb::ScriptLanguage language, ScriptedInterfaceUsages usages) {
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if (language != eScriptLanguagePython)
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return false;
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return true;
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}
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void ScriptedFrameProviderPythonInterface::Initialize() {
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const std::vector<llvm::StringRef> ci_usages = {
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"target frame-provider register -C <script-name> [-k key -v value ...]",
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"target frame-provider list",
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"target frame-provider remove <provider-name>",
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"target frame-provider clear"};
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const std::vector<llvm::StringRef> api_usages = {
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"SBTarget.RegisterScriptedFrameProvider",
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"SBTarget.RemoveScriptedFrameProvider",
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"SBTarget.ClearScriptedFrameProvider"};
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PluginManager::RegisterPlugin(
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GetPluginNameStatic(),
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llvm::StringRef("Provide scripted stack frames for threads"),
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CreateInstance, eScriptLanguagePython, {ci_usages, api_usages});
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}
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void ScriptedFrameProviderPythonInterface::Terminate() {
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PluginManager::UnregisterPlugin(CreateInstance);
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}
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#endif
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