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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230889 91177308-0d34-0410-b5e6-96231b3b80d8
98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
//===- PDBSymbol.h - base class for user-facing symbol types -----*- C++-*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_PDB_IPDBSYMBOL_H
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#define LLVM_DEBUGINFO_PDB_IPDBSYMBOL_H
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#include "ConcreteSymbolEnumerator.h"
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#include "IPDBRawSymbol.h"
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#include "PDBExtras.h"
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#include "PDBTypes.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Casting.h"
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#include <unordered_map>
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#define FORWARD_SYMBOL_METHOD(MethodName) \
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auto MethodName() const->decltype(RawSymbol->MethodName()) { \
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return RawSymbol->MethodName(); \
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}
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namespace llvm {
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class IPDBRawSymbol;
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class raw_ostream;
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#define DECLARE_PDB_SYMBOL_CONCRETE_TYPE(TagValue) \
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static const PDB_SymType Tag = TagValue; \
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static bool classof(const PDBSymbol *S) { return S->getSymTag() == Tag; }
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/// PDBSymbol defines the base of the inheritance hierarchy for concrete symbol
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/// types (e.g. functions, executables, vtables, etc). All concrete symbol
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/// types inherit from PDBSymbol and expose the exact set of methods that are
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/// valid for that particular symbol type, as described in the Microsoft
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/// reference "Lexical and Class Hierarchy of Symbol Types":
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/// https://msdn.microsoft.com/en-us/library/370hs6k4.aspx
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class PDBSymbol {
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protected:
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PDBSymbol(const IPDBSession &PDBSession, std::unique_ptr<IPDBRawSymbol> Symbol);
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public:
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static std::unique_ptr<PDBSymbol>
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create(const IPDBSession &PDBSession, std::unique_ptr<IPDBRawSymbol> Symbol);
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virtual ~PDBSymbol();
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/// Dumps the contents of a symbol a raw_ostream. By default this will just
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/// call dump() on the underlying RawSymbol, which allows us to discover
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/// unknown properties, but individual implementations of PDBSymbol may
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/// override the behavior to only dump known fields.
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virtual void dump(PDBSymDumper &Dumper) const = 0;
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void defaultDump(raw_ostream &OS, int Indent) const;
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PDB_SymType getSymTag() const;
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template <typename T> std::unique_ptr<T> findOneChild() const {
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auto Enumerator(findAllChildren<T>());
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return Enumerator->getNext();
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}
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template <typename T>
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std::unique_ptr<ConcreteSymbolEnumerator<T>> findAllChildren() const {
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auto BaseIter = RawSymbol->findChildren(T::Tag);
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return llvm::make_unique<ConcreteSymbolEnumerator<T>>(std::move(BaseIter));
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}
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std::unique_ptr<IPDBEnumSymbols> findAllChildren(PDB_SymType Type) const;
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std::unique_ptr<IPDBEnumSymbols> findAllChildren() const;
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std::unique_ptr<IPDBEnumSymbols>
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findChildren(PDB_SymType Type, StringRef Name,
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PDB_NameSearchFlags Flags) const;
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std::unique_ptr<IPDBEnumSymbols> findChildrenByRVA(PDB_SymType Type,
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StringRef Name,
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PDB_NameSearchFlags Flags,
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uint32_t RVA) const;
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std::unique_ptr<IPDBEnumSymbols> findInlineFramesByRVA(uint32_t RVA) const;
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const IPDBRawSymbol &getRawSymbol() const { return *RawSymbol; }
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IPDBRawSymbol &getRawSymbol() { return *RawSymbol; }
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const IPDBSession &getSession() const { return Session; }
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std::unique_ptr<IPDBEnumSymbols> getChildStats(TagStats &Stats) const;
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protected:
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const IPDBSession &Session;
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const std::unique_ptr<IPDBRawSymbol> RawSymbol;
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};
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} // namespace llvm
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#endif
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