llvm-project/lldb/tools/lldb-mi/MICmnLLDBUtilSBValue.h

70 lines
2.5 KiB
C++

//===-- MICmnLLDBUtilSBValue.h ----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#pragma once
// Third Party Headers:
#include "lldb/API/SBValue.h"
// In-house headers:
#include "MIDataTypes.h"
#include "MICmnMIValueTuple.h"
// Declarations:
class CMIUtilString;
//++ ============================================================================
// Details: Utility helper class to lldb::SBValue. Using a lldb::SBValue extract
// value object information to help form verbose debug information.
//--
class CMICmnLLDBUtilSBValue
{
// Methods:
public:
/* ctor */ CMICmnLLDBUtilSBValue(const lldb::SBValue &vrValue, const bool vbHandleCharType = false,
const bool vbHandleArrayType = true);
/* dtor */ ~CMICmnLLDBUtilSBValue();
//
CMIUtilString GetName() const;
CMIUtilString GetValue(const bool vbExpandAggregates = false) const;
CMIUtilString GetTypeName() const;
CMIUtilString GetTypeNameDisplay() const;
bool IsCharType() const;
bool IsFirstChildCharType() const;
bool IsPointeeCharType() const;
bool IsIntegerType() const;
bool IsPointerType() const;
bool IsArrayType() const;
bool IsLLDBVariable() const;
bool IsNameUnknown() const;
bool IsValueUnknown() const;
bool IsValid() const;
bool HasName() const;
// Methods:
private:
template <typename charT> CMIUtilString ReadCStringFromHostMemory(lldb::SBValue &vrValue, const MIuint vnMaxLen = UINT32_MAX) const;
bool GetSimpleValue(const bool vbHandleArrayType, CMIUtilString &vrValue) const;
bool GetCompositeValue(const bool vbPrintFieldNames, CMICmnMIValueTuple &vwrMiValueTuple, const MIuint vnDepth = 1) const;
CMIUtilString GetValueSummary(bool valueOnly, const CMIUtilString& failVal = CMIUtilString()) const;
// Statics:
private:
static bool IsCharBasicType(lldb::BasicType eType);
// Attributes:
private:
lldb::SBValue &m_rValue;
const char *m_pUnkwn;
const char *m_pComposite;
bool m_bValidSBValue; // True = SBValue is a valid object, false = not valid.
bool m_bHandleCharType; // True = Yes return text molding to char type, false = just return data.
bool m_bHandleArrayType; // True = Yes return special stub for array type, false = just return data.
};