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//===-- ValueObjectPrinter.h ---------------------------------------*- C++
//-*-===//
//
// 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 LLDB_DATAFORMATTERS_VALUEOBJECTPRINTER_H
#define LLDB_DATAFORMATTERS_VALUEOBJECTPRINTER_H
#include "lldb/lldb-private.h"
#include "lldb/lldb-public.h"
#include "lldb/Utility/Flags.h"
#include "lldb/DataFormatters/DumpValueObjectOptions.h"
#include "lldb/Symbol/CompilerType.h"
namespace lldb_private {
class ValueObjectPrinter {
public:
ValueObjectPrinter(ValueObject *valobj, Stream *s);
ValueObjectPrinter(ValueObject *valobj, Stream *s,
const DumpValueObjectOptions &options);
~ValueObjectPrinter() {}
bool PrintValueObject();
protected:
typedef std::set<uint64_t> InstancePointersSet;
typedef std::shared_ptr<InstancePointersSet> InstancePointersSetSP;
InstancePointersSetSP m_printed_instance_pointers;
// only this class (and subclasses, if any) should ever be concerned with the
// depth mechanism
ValueObjectPrinter(ValueObject *valobj, Stream *s,
const DumpValueObjectOptions &options,
const DumpValueObjectOptions::PointerDepth &ptr_depth,
uint32_t curr_depth,
InstancePointersSetSP printed_instance_pointers);
// we should actually be using delegating constructors here but some versions
// of GCC still have trouble with those
void Init(ValueObject *valobj, Stream *s,
const DumpValueObjectOptions &options,
const DumpValueObjectOptions::PointerDepth &ptr_depth,
uint32_t curr_depth,
InstancePointersSetSP printed_instance_pointers);
bool GetMostSpecializedValue();
const char *GetDescriptionForDisplay();
const char *GetRootNameForDisplay();
bool ShouldPrintValueObject();
bool IsNil();
bool IsUninitialized();
bool IsPtr();
bool IsRef();
bool IsInstancePointer();
bool IsAggregate();
bool PrintLocationIfNeeded();
void PrintDecl();
bool CheckScopeIfNeeded();
bool ShouldPrintEmptyBrackets(bool value_printed, bool summary_printed);
TypeSummaryImpl *GetSummaryFormatter(bool null_if_omitted = true);
void GetValueSummaryError(std::string &value, std::string &summary,
std::string &error);
bool PrintValueAndSummaryIfNeeded(bool &value_printed, bool &summary_printed);
bool PrintObjectDescriptionIfNeeded(bool value_printed, bool summary_printed);
bool
ShouldPrintChildren(bool is_failed_description,
DumpValueObjectOptions::PointerDepth &curr_ptr_depth);
bool ShouldExpandEmptyAggregates();
ValueObject *GetValueObjectForChildrenGeneration();
void PrintChildrenPreamble();
void PrintChildrenPostamble(bool print_dotdotdot);
lldb::ValueObjectSP GenerateChild(ValueObject *synth_valobj, size_t idx);
void PrintChild(lldb::ValueObjectSP child_sp,
const DumpValueObjectOptions::PointerDepth &curr_ptr_depth);
uint32_t GetMaxNumChildrenToPrint(bool &print_dotdotdot);
void
PrintChildren(bool value_printed, bool summary_printed,
const DumpValueObjectOptions::PointerDepth &curr_ptr_depth);
void PrintChildrenIfNeeded(bool value_printed, bool summary_printed);
bool PrintChildrenOneLiner(bool hide_names);
private:
ValueObject *m_orig_valobj;
ValueObject *m_valobj;
Stream *m_stream;
DumpValueObjectOptions m_options;
Flags m_type_flags;
CompilerType m_compiler_type;
DumpValueObjectOptions::PointerDepth m_ptr_depth;
uint32_t m_curr_depth;
LazyBool m_should_print;
LazyBool m_is_nil;
LazyBool m_is_uninit;
LazyBool m_is_ptr;
LazyBool m_is_ref;
LazyBool m_is_aggregate;
LazyBool m_is_instance_ptr;
std::pair<TypeSummaryImpl *, bool> m_summary_formatter;
std::string m_value;
std::string m_summary;
std::string m_error;
bool m_val_summary_ok;
friend struct StringSummaryFormat;
ValueObjectPrinter(const ValueObjectPrinter &) = delete;
const ValueObjectPrinter &operator=(const ValueObjectPrinter &) = delete;
};
} // namespace lldb_private
#endif // LLDB_DATAFORMATTERS_VALUEOBJECTPRINTER_H
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