mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
2388a588bd
Split Support/Registry.h into two files so that we have less to recompile every time CommandLine.h is changed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62312 91177308-0d34-0410-b5e6-96231b3b80d8
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
|