mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-28 06:29:45 +00:00
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
|
//=== RegistryParser.h - Linker-supported plugin registries -----*- C++ -*-===//
|
||
|
//
|
||
|
// The LLVM Compiler Infrastructure
|
||
|
//
|
||
|
// This file is distributed under the University of Illinois Open Source
|
||
|
// License. See LICENSE.TXT for details.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
//
|
||
|
// Defines a command-line parser for a registry.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
#ifndef LLVM_SUPPORT_REGISTRY_PARSER_H
|
||
|
#define LLVM_SUPPORT_REGISTRY_PARSER_H
|
||
|
|
||
|
#include "llvm/Support/CommandLine.h"
|
||
|
#include "llvm/Support/Registry.h"
|
||
|
|
||
|
namespace llvm {
|
||
|
|
||
|
/// A command-line parser for a registry. Use like such:
|
||
|
///
|
||
|
/// static cl::opt<Registry<Collector>::entry, false,
|
||
|
/// RegistryParser<Collector> >
|
||
|
/// GCOpt("gc", cl::desc("Garbage collector to use."),
|
||
|
/// cl::value_desc());
|
||
|
///
|
||
|
/// To make use of the value:
|
||
|
///
|
||
|
/// Collector *TheCollector = GCOpt->instantiate();
|
||
|
///
|
||
|
template <typename T, typename U = RegistryTraits<T> >
|
||
|
class RegistryParser :
|
||
|
public cl::parser<const typename U::entry*>,
|
||
|
public Registry<T, U>::listener {
|
||
|
typedef U traits;
|
||
|
typedef typename U::entry entry;
|
||
|
typedef typename Registry<T, U>::listener listener;
|
||
|
|
||
|
protected:
|
||
|
void registered(const entry &E) {
|
||
|
addLiteralOption(traits::nameof(E), &E, traits::descof(E));
|
||
|
}
|
||
|
|
||
|
public:
|
||
|
void initialize(cl::Option &O) {
|
||
|
listener::init();
|
||
|
cl::parser<const typename U::entry*>::initialize(O);
|
||
|
}
|
||
|
};
|
||
|
|
||
|
}
|
||
|
|
||
|
#endif // LLVM_SUPPORT_REGISTRY_PARSER_H
|