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//===-- runtime/tools.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 FORTRAN_RUNTIME_TOOLS_H_
#define FORTRAN_RUNTIME_TOOLS_H_
#include "memory.h"
#include <functional>
#include <map>
#include <type_traits>
namespace Fortran::runtime {
class Terminator;
OwningPtr<char> SaveDefaultCharacter(const char *, std::size_t, Terminator &);
// For validating and recognizing default CHARACTER values in a
// case-insensitive manner. Returns the zero-based index into the
// null-terminated array of upper-case possibilities when the value is valid,
// or -1 when it has no match.
int IdentifyValue(
const char *value, std::size_t length, const char *possibilities[]);
// A std::map<> customized to use the runtime's memory allocator
template<typename KEY, typename VALUE>
using MapAllocator = Allocator<std::pair<std::add_const_t<KEY>, VALUE>>;
template<typename KEY, typename VALUE, typename COMPARE = std::less<KEY>>
using Map = std::map<KEY, VALUE, COMPARE, MapAllocator<KEY, VALUE>>;
}
#endif // FORTRAN_RUNTIME_TOOLS_H_
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