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//===-- FormatClasses.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_FORMATCLASSES_H
#define LLDB_DATAFORMATTERS_FORMATCLASSES_H
#include <functional>
#include <memory>
#include <string>
#include <vector>
#include "lldb/DataFormatters/TypeFormat.h"
#include "lldb/DataFormatters/TypeSummary.h"
#include "lldb/DataFormatters/TypeSynthetic.h"
#include "lldb/Symbol/CompilerType.h"
#include "lldb/Symbol/Type.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-public.h"
namespace lldb_private {
class HardcodedFormatters {
public:
template <typename FormatterType>
using HardcodedFormatterFinder =
std::function<typename FormatterType::SharedPointer(
lldb_private::ValueObject &, lldb::DynamicValueType,
FormatManager &)>;
template <typename FormatterType>
using HardcodedFormatterFinders =
std::vector<HardcodedFormatterFinder<FormatterType>>;
typedef HardcodedFormatterFinders<TypeFormatImpl> HardcodedFormatFinder;
typedef HardcodedFormatterFinders<TypeSummaryImpl> HardcodedSummaryFinder;
typedef HardcodedFormatterFinders<SyntheticChildren> HardcodedSyntheticFinder;
};
class FormattersMatchCandidate {
public:
FormattersMatchCandidate(ConstString name, bool strip_ptr,
bool strip_ref, bool strip_tydef)
: m_type_name(name), m_stripped_pointer(strip_ptr),
m_stripped_reference(strip_ref), m_stripped_typedef(strip_tydef) {}
~FormattersMatchCandidate() = default;
ConstString GetTypeName() const { return m_type_name; }
bool DidStripPointer() const { return m_stripped_pointer; }
bool DidStripReference() const { return m_stripped_reference; }
bool DidStripTypedef() const { return m_stripped_typedef; }
template <class Formatter>
bool IsMatch(const std::shared_ptr<Formatter> &formatter_sp) const {
if (!formatter_sp)
return false;
if (formatter_sp->Cascades() == false && DidStripTypedef())
return false;
if (formatter_sp->SkipsPointers() && DidStripPointer())
return false;
if (formatter_sp->SkipsReferences() && DidStripReference())
return false;
return true;
}
private:
ConstString m_type_name;
bool m_stripped_pointer;
bool m_stripped_reference;
bool m_stripped_typedef;
};
typedef std::vector<FormattersMatchCandidate> FormattersMatchVector;
typedef std::vector<lldb::LanguageType> CandidateLanguagesVector;
class FormattersMatchData {
public:
FormattersMatchData(ValueObject &, lldb::DynamicValueType);
FormattersMatchVector GetMatchesVector();
ConstString GetTypeForCache();
CandidateLanguagesVector GetCandidateLanguages();
ValueObject &GetValueObject();
lldb::DynamicValueType GetDynamicValueType();
private:
ValueObject &m_valobj;
lldb::DynamicValueType m_dynamic_value_type;
std::pair<FormattersMatchVector, bool> m_formatters_match_vector;
ConstString m_type_for_cache;
CandidateLanguagesVector m_candidate_languages;
};
class TypeNameSpecifierImpl {
public:
TypeNameSpecifierImpl() : m_is_regex(false), m_type() {}
TypeNameSpecifierImpl(llvm::StringRef name, bool is_regex)
: m_is_regex(is_regex), m_type() {
m_type.m_type_name = std::string(name);
}
// if constructing with a given type, is_regex cannot be true since we are
// giving an exact type to match
TypeNameSpecifierImpl(lldb::TypeSP type) : m_is_regex(false), m_type() {
if (type) {
m_type.m_type_name = std::string(type->GetName().GetStringRef());
m_type.m_compiler_type = type->GetForwardCompilerType();
}
}
TypeNameSpecifierImpl(CompilerType type) : m_is_regex(false), m_type() {
if (type.IsValid()) {
m_type.m_type_name.assign(type.GetTypeName().GetCString());
m_type.m_compiler_type = type;
}
}
const char *GetName() {
if (m_type.m_type_name.size())
return m_type.m_type_name.c_str();
return nullptr;
}
CompilerType GetCompilerType() {
if (m_type.m_compiler_type.IsValid())
return m_type.m_compiler_type;
return CompilerType();
}
bool IsRegex() { return m_is_regex; }
private:
bool m_is_regex;
// TODO: Replace this with TypeAndOrName.
struct TypeOrName {
std::string m_type_name;
CompilerType m_compiler_type;
};
TypeOrName m_type;
TypeNameSpecifierImpl(const TypeNameSpecifierImpl &) = delete;
const TypeNameSpecifierImpl &
operator=(const TypeNameSpecifierImpl &) = delete;
};
} // namespace lldb_private
#endif // LLDB_DATAFORMATTERS_FORMATCLASSES_H
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