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//===-- CPlusPlusLanguage.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_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_CPLUSPLUSLANGUAGE_H
#define LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_CPLUSPLUSLANGUAGE_H
#include <set>
#include <vector>
#include "llvm/ADT/StringRef.h"
#include "Plugins/Language/ClangCommon/ClangHighlighter.h"
#include "lldb/Target/Language.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/lldb-private.h"
namespace lldb_private {
class CPlusPlusLanguage : public Language {
ClangHighlighter m_highlighter;
public:
class CxxMethodName : public Language::MethodName {
public:
CxxMethodName(ConstString s) : Language::MethodName(s) {}
bool ContainsPath(llvm::StringRef path);
private:
/// Returns the Basename of this method without a template parameter
/// list, if any.
///
// Examples:
//
// +--------------------------------+---------+
// | MethodName | Returns |
// +--------------------------------+---------+
// | void func() | func |
// | void func<int>() | func |
// | void func<std::vector<int>>() | func |
// +--------------------------------+---------+
llvm::StringRef GetBasenameNoTemplateParameters();
protected:
void Parse() override;
bool TrySimplifiedParse();
};
CPlusPlusLanguage() = default;
~CPlusPlusLanguage() override = default;
virtual std::unique_ptr<Language::MethodName>
GetMethodName(ConstString name) const override;
std::pair<lldb::FunctionNameType, std::optional<ConstString>>
GetFunctionNameInfo(ConstString name) const override;
lldb::LanguageType GetLanguageType() const override {
return lldb::eLanguageTypeC_plus_plus;
}
llvm::StringRef GetUserEntryPointName() const override { return "main"; }
std::unique_ptr<TypeScavenger> GetTypeScavenger() override;
lldb::TypeCategoryImplSP GetFormatters() override;
HardcodedFormatters::HardcodedSummaryFinder GetHardcodedSummaries() override;
HardcodedFormatters::HardcodedSyntheticFinder
GetHardcodedSynthetics() override;
bool IsNilReference(ValueObject &valobj) override;
llvm::StringRef GetNilReferenceSummaryString() override { return "nullptr"; }
bool IsSourceFile(llvm::StringRef file_path) const override;
const Highlighter *GetHighlighter() const override { return &m_highlighter; }
// Static Functions
static void Initialize();
static void Terminate();
static lldb_private::Language *CreateInstance(lldb::LanguageType language);
static llvm::StringRef GetPluginNameStatic() { return "cplusplus"; }
bool SymbolNameFitsToLanguage(Mangled mangled) const override;
bool DemangledNameContainsPath(llvm::StringRef path,
ConstString demangled) const override;
ConstString
GetDemangledFunctionNameWithoutArguments(Mangled mangled) const override;
bool GetFunctionDisplayName(const SymbolContext &sc,
const ExecutionContext *exe_ctx,
FunctionNameRepresentation representation,
Stream &s) override;
bool HandleFrameFormatVariable(const SymbolContext &sc,
const ExecutionContext *exe_ctx,
FormatEntity::Entry::Type type,
Stream &s) override;
static bool IsCPPMangledName(llvm::StringRef name);
// Extract C++ context and identifier from a string using heuristic matching
// (as opposed to
// CPlusPlusLanguage::CxxMethodName which has to have a fully qualified C++
// name with parens and arguments.
// If the name is a lone C identifier (e.g. C) or a qualified C identifier
// (e.g. A::B::C) it will return true,
// and identifier will be the identifier (C and C respectively) and the
// context will be "" and "A::B" respectively.
// If the name fails the heuristic matching for a qualified or unqualified
// C/C++ identifier, then it will return false
// and identifier and context will be unchanged.
static bool ExtractContextAndIdentifier(const char *name,
llvm::StringRef &context,
llvm::StringRef &identifier);
std::vector<ConstString>
GenerateAlternateFunctionManglings(const ConstString mangled) const override;
ConstString FindBestAlternateFunctionMangledName(
const Mangled mangled, const SymbolContext &sym_ctx) const override;
llvm::StringRef GetInstanceVariableName() override { return "this"; }
FormatEntity::Entry GetFunctionNameFormat() const override;
// PluginInterface protocol
llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
private:
static void DebuggerInitialize(Debugger &);
};
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_CPLUSPLUSLANGUAGE_H
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