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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 liblldb_CPlusPlusLanguage_h_
#define liblldb_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 MethodName {
public:
MethodName()
: m_full(), m_basename(), m_context(), m_arguments(), m_qualifiers(),
m_parsed(false), m_parse_error(false) {}
MethodName(ConstString s)
: m_full(s), m_basename(), m_context(), m_arguments(), m_qualifiers(),
m_parsed(false), m_parse_error(false) {}
void Clear();
bool IsValid() {
if (!m_parsed)
Parse();
if (m_parse_error)
return false;
return (bool)m_full;
}
ConstString GetFullName() const { return m_full; }
std::string GetScopeQualifiedName();
llvm::StringRef GetBasename();
llvm::StringRef GetContext();
llvm::StringRef GetArguments();
llvm::StringRef GetQualifiers();
protected:
void Parse();
bool TrySimplifiedParse();
ConstString m_full; // Full name:
// "lldb::SBTarget::GetBreakpointAtIndex(unsigned int)
// const"
llvm::StringRef m_basename; // Basename: "GetBreakpointAtIndex"
llvm::StringRef m_context; // Decl context: "lldb::SBTarget"
llvm::StringRef m_arguments; // Arguments: "(unsigned int)"
llvm::StringRef m_qualifiers; // Qualifiers: "const"
bool m_parsed;
bool m_parse_error;
};
CPlusPlusLanguage() = default;
~CPlusPlusLanguage() override = default;
lldb::LanguageType GetLanguageType() const override {
return lldb::eLanguageTypeC_plus_plus;
}
std::unique_ptr<TypeScavenger> GetTypeScavenger() override;
lldb::TypeCategoryImplSP GetFormatters() override;
HardcodedFormatters::HardcodedSummaryFinder GetHardcodedSummaries() override;
HardcodedFormatters::HardcodedSyntheticFinder
GetHardcodedSynthetics() override;
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 lldb_private::ConstString GetPluginNameStatic();
static bool IsCPPMangledName(const char *name);
// Extract C++ context and identifier from a string using heuristic matching
// (as opposed to
// CPlusPlusLanguage::MethodName 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);
// Given a mangled function name, calculates some alternative manglings since
// the compiler mangling may not line up with the symbol we are expecting
static uint32_t
FindAlternateFunctionManglings(const ConstString mangled,
std::set<ConstString> &candidates);
// PluginInterface protocol
ConstString GetPluginName() override;
uint32_t GetPluginVersion() override;
};
} // namespace lldb_private
#endif // liblldb_CPlusPlusLanguage_h_
|