101 lines
3.5 KiB
C++
101 lines
3.5 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/Symbol/SymbolContext.h"
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#include "lldb/Target/ExecutionContext.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 "ScriptedBreakpointPythonInterface.h"
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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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ScriptedBreakpointPythonInterface::ScriptedBreakpointPythonInterface(
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ScriptInterpreterPythonImpl &interpreter)
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: ScriptedBreakpointInterface(), ScriptedPythonInterface(interpreter) {}
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llvm::Expected<StructuredData::GenericSP>
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ScriptedBreakpointPythonInterface::CreatePluginObject(
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llvm::StringRef class_name, lldb::BreakpointSP break_sp,
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const StructuredDataImpl &args_sp) {
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return ScriptedPythonInterface::CreatePluginObject(class_name, nullptr,
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break_sp, args_sp);
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}
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bool ScriptedBreakpointPythonInterface::ResolverCallback(
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SymbolContext sym_ctx) {
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Status error;
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StructuredData::ObjectSP obj = Dispatch("__callback__", error, sym_ctx);
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if (!ScriptedInterface::CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj,
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error)) {
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Log *log = GetLog(LLDBLog::Script);
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LLDB_LOG(log, "Error calling __callback__ method: {1}", error);
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return true;
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}
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return obj->GetBooleanValue();
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}
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lldb::SearchDepth ScriptedBreakpointPythonInterface::GetDepth() {
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Status error;
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StructuredData::ObjectSP obj = Dispatch("__get_depth__", error);
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if (!ScriptedInterface::CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj,
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error)) {
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return lldb::eSearchDepthModule;
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}
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uint64_t value = obj->GetUnsignedIntegerValue();
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if (value <= lldb::kLastSearchDepthKind)
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return (lldb::SearchDepth)value;
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// This is what we were doing on error before, though I'm not sure that's
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// better than returning eSearchDepthInvalid.
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return lldb::eSearchDepthModule;
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}
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std::optional<std::string> ScriptedBreakpointPythonInterface::GetShortHelp() {
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Status error;
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StructuredData::ObjectSP obj = Dispatch("get_short_help", 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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}
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return obj->GetAsString()->GetValue().str();
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}
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void ScriptedBreakpointPythonInterface::Initialize() {
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const std::vector<llvm::StringRef> ci_usages = {
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"breakpoint set -P classname [-k key -v value ...]"};
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const std::vector<llvm::StringRef> api_usages = {
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"SBTarget.BreakpointCreateFromScript"};
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PluginManager::RegisterPlugin(
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GetPluginNameStatic(),
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llvm::StringRef("Create a breakpoint that chooses locations based on "
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"user-created callbacks"),
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CreateInstance, eScriptLanguagePython, {ci_usages, api_usages});
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}
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void ScriptedBreakpointPythonInterface::Terminate() {
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PluginManager::UnregisterPlugin(CreateInstance);
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}
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#endif
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