Coverage Report

Created: 2022-01-25 06:29

/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.h
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//===-- AppleObjCRuntime.h --------------------------------------*- 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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#ifndef LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_APPLEOBJCRUNTIME_APPLEOBJCRUNTIME_H
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#define LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_APPLEOBJCRUNTIME_APPLEOBJCRUNTIME_H
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#include "llvm/ADT/Optional.h"
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#include "AppleObjCTrampolineHandler.h"
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#include "AppleThreadPlanStepThroughObjCTrampoline.h"
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#include "lldb/Target/LanguageRuntime.h"
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#include "lldb/lldb-private.h"
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#include "Plugins/LanguageRuntime/ObjC/ObjCLanguageRuntime.h"
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namespace lldb_private {
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class AppleObjCRuntime : public lldb_private::ObjCLanguageRuntime {
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public:
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  ~AppleObjCRuntime() override;
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  // Static Functions
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  // Note there is no CreateInstance, Initialize & Terminate functions here,
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  // because
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  // you can't make an instance of this generic runtime.
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  static char ID;
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  static void Initialize();
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  static void Terminate();
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  bool isA(const void *ClassID) const override {
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    return ClassID == &ID || 
ObjCLanguageRuntime::isA(ClassID)159k
;
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  }
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  static bool classof(const LanguageRuntime *runtime) {
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    return runtime->isA(&ID);
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  }
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  // These are generic runtime functions:
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  bool GetObjectDescription(Stream &str, Value &value,
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                            ExecutionContextScope *exe_scope) override;
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  bool GetObjectDescription(Stream &str, ValueObject &object) override;
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  bool CouldHaveDynamicValue(ValueObject &in_value) override;
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  bool GetDynamicTypeAndAddress(ValueObject &in_value,
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                                lldb::DynamicValueType use_dynamic,
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                                TypeAndOrName &class_type_or_name,
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                                Address &address,
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                                Value::ValueType &value_type) override;
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  TypeAndOrName FixUpDynamicType(const TypeAndOrName &type_and_or_name,
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                                 ValueObject &static_value) override;
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  // These are the ObjC specific functions.
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  bool IsModuleObjCLibrary(const lldb::ModuleSP &module_sp) override;
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  bool ReadObjCLibrary(const lldb::ModuleSP &module_sp) override;
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  bool HasReadObjCLibrary() override { return m_read_objc_library; }
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  lldb::ThreadPlanSP GetStepThroughTrampolinePlan(Thread &thread,
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                                                  bool stop_others) override;
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  // Get the "libobjc.A.dylib" module from the current target if we can find
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  // it, also cache it once it is found to ensure quick lookups.
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  lldb::ModuleSP GetObjCModule();
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  // Sync up with the target
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  void ModulesDidLoad(const ModuleList &module_list) override;
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  void SetExceptionBreakpoints() override;
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  void ClearExceptionBreakpoints() override;
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  bool ExceptionBreakpointsAreSet() override;
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  bool ExceptionBreakpointsExplainStop(lldb::StopInfoSP stop_reason) override;
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  lldb::SearchFilterSP CreateExceptionSearchFilter() override;
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  static std::tuple<FileSpec, ConstString> GetExceptionThrowLocation();
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  lldb::ValueObjectSP GetExceptionObjectForThread(
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      lldb::ThreadSP thread_sp) override;
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  lldb::ThreadSP GetBacktraceThreadFromException(
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      lldb::ValueObjectSP thread_sp) override;
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  uint32_t GetFoundationVersion();
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  virtual void GetValuesForGlobalCFBooleans(lldb::addr_t &cf_true,
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                                            lldb::addr_t &cf_false);
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  virtual bool IsTaggedPointer (lldb::addr_t addr) { return false; }
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protected:
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  // Call CreateInstance instead.
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  AppleObjCRuntime(Process *process);
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  bool CalculateHasNewLiteralsAndIndexing() override;
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  static bool AppleIsModuleObjCLibrary(const lldb::ModuleSP &module_sp);
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  static ObjCRuntimeVersions GetObjCVersion(Process *process,
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                                            lldb::ModuleSP &objc_module_sp);
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  void ReadObjCLibraryIfNeeded(const ModuleList &module_list);
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  Address *GetPrintForDebuggerAddr();
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  std::unique_ptr<Address> m_PrintForDebugger_addr;
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  bool m_read_objc_library;
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  std::unique_ptr<lldb_private::AppleObjCTrampolineHandler>
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      m_objc_trampoline_handler_up;
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  lldb::BreakpointSP m_objc_exception_bp_sp;
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  lldb::ModuleWP m_objc_module_wp;
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  std::unique_ptr<FunctionCaller> m_print_object_caller_up;
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  llvm::Optional<uint32_t> m_Foundation_major;
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};
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} // namespace lldb_private
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#endif // LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_APPLEOBJCRUNTIME_APPLEOBJCRUNTIME_H