mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 19:29:31 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21411 91177308-0d34-0410-b5e6-96231b3b80d8
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
//===- llvm/Support/TypeInfo.h - Support for type_info objects -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This class makes std::type_info objects behave like first class objects that
|
|
// can be put in maps and hashtables. This code is based off of code in the
|
|
// Loki C++ library from the Modern C++ Design book.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_SUPPORT_TYPEINFO_H
|
|
#define LLVM_SUPPORT_TYPEINFO_H
|
|
|
|
#include <typeinfo>
|
|
|
|
namespace llvm {
|
|
|
|
struct TypeInfo {
|
|
TypeInfo() { // needed for containers
|
|
struct Nil {}; // Anonymous class distinct from all others...
|
|
Info = &typeid(Nil);
|
|
}
|
|
|
|
TypeInfo(const std::type_info &ti) : Info(&ti) { // non-explicit
|
|
}
|
|
|
|
// Access for the wrapped std::type_info
|
|
const std::type_info &get() const {
|
|
return *Info;
|
|
}
|
|
|
|
// Compatibility functions
|
|
bool before(const TypeInfo &rhs) const {
|
|
return Info->before(*rhs.Info) != 0;
|
|
}
|
|
const char *getClassName() const {
|
|
return Info->name();
|
|
}
|
|
|
|
private:
|
|
const std::type_info *Info;
|
|
};
|
|
|
|
// Comparison operators
|
|
inline bool operator==(const TypeInfo &lhs, const TypeInfo &rhs) {
|
|
return lhs.get() == rhs.get();
|
|
}
|
|
|
|
inline bool operator<(const TypeInfo &lhs, const TypeInfo &rhs) {
|
|
return lhs.before(rhs);
|
|
}
|
|
|
|
inline bool operator!=(const TypeInfo &lhs, const TypeInfo &rhs) {
|
|
return !(lhs == rhs);
|
|
}
|
|
|
|
inline bool operator>(const TypeInfo &lhs, const TypeInfo &rhs) {
|
|
return rhs < lhs;
|
|
}
|
|
|
|
inline bool operator<=(const TypeInfo &lhs, const TypeInfo &rhs) {
|
|
return !(lhs > rhs);
|
|
}
|
|
|
|
inline bool operator>=(const TypeInfo &lhs, const TypeInfo &rhs) {
|
|
return !(lhs < rhs);
|
|
}
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|