CPPLanguageRuntime.h
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//===-- CPPLanguageRuntime.h
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_CPPLanguageRuntime_h_
#define liblldb_CPPLanguageRuntime_h_
#include <vector>
#include "llvm/ADT/StringMap.h"
#include "lldb/Core/PluginInterface.h"
#include "lldb/Target/LanguageRuntime.h"
#include "lldb/lldb-private.h"
namespace lldb_private {
class CPPLanguageRuntime : public LanguageRuntime {
public:
enum class LibCppStdFunctionCallableCase {
Lambda = 0,
CallableObject,
FreeOrMemberFunction,
Invalid
};
struct LibCppStdFunctionCallableInfo {
Symbol callable_symbol;
Address callable_address;
LineEntry callable_line_entry;
lldb::addr_t member__f_pointer_value = 0u;
LibCppStdFunctionCallableCase callable_case =
LibCppStdFunctionCallableCase::Invalid;
};
LibCppStdFunctionCallableInfo
FindLibCppStdFunctionCallableInfo(lldb::ValueObjectSP &valobj_sp);
~CPPLanguageRuntime() override;
static char ID;
bool isA(const void *ClassID) const override {
return ClassID == &ID || LanguageRuntime::isA(ClassID);
}
static bool classof(const LanguageRuntime *runtime) {
return runtime->isA(&ID);
}
lldb::LanguageType GetLanguageType() const override {
return lldb::eLanguageTypeC_plus_plus;
}
static CPPLanguageRuntime *Get(Process &process) {
return llvm::cast_or_null<CPPLanguageRuntime>(
process.GetLanguageRuntime(lldb::eLanguageTypeC_plus_plus));
}
bool GetObjectDescription(Stream &str, ValueObject &object) override;
bool GetObjectDescription(Stream &str, Value &value,
ExecutionContextScope *exe_scope) override;
/// Obtain a ThreadPlan to get us into C++ constructs such as std::function.
///
/// \param[in] thread
/// Curent thrad of execution.
///
/// \param[in] stop_others
/// True if other threads should pause during execution.
///
/// \return
/// A ThreadPlan Shared pointer
lldb::ThreadPlanSP GetStepThroughTrampolinePlan(Thread &thread,
bool stop_others) override;
bool IsWhitelistedRuntimeValue(ConstString name) override;
protected:
// Classes that inherit from CPPLanguageRuntime can see and modify these
CPPLanguageRuntime(Process *process);
private:
using OperatorStringToCallableInfoMap =
llvm::StringMap<CPPLanguageRuntime::LibCppStdFunctionCallableInfo>;
OperatorStringToCallableInfoMap CallableLookupCache;
DISALLOW_COPY_AND_ASSIGN(CPPLanguageRuntime);
};
} // namespace lldb_private
#endif // liblldb_CPPLanguageRuntime_h_