llvm/libc/src/stdio/printf_core/parser.h

//===-- Format string parser for printf -------------------------*- 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 LLVM_LIBC_SRC_STDIO_PRINTF_CORE_PARSER_H
#define LLVM_LIBC_SRC_STDIO_PRINTF_CORE_PARSER_H

#include "include/llvm-libc-macros/stdfix-macros.h"
#include "src/__support/CPP/algorithm.h" // max
#include "src/__support/CPP/limits.h"
#include "src/__support/CPP/optional.h"
#include "src/__support/CPP/type_traits.h"
#include "src/__support/macros/config.h"
#include "src/__support/str_to_integer.h"
#include "src/stdio/printf_core/core_structs.h"
#include "src/stdio/printf_core/printf_config.h"

#include <stddef.h>

#ifdef LIBC_INTERNAL_PRINTF_HAS_FIXED_POINT
#include "src/__support/fixed_point/fx_rep.h"
#endif // LIBC_INTERNAL_PRINTF_HAS_FIXED_POINT
#ifndef LIBC_COPT_PRINTF_DISABLE_STRERROR
#include "src/errno/libc_errno.h"
#endif // LIBC_COPT_PRINTF_DISABLE_STRERROR

namespace LIBC_NAMESPACE_DECL {
namespace printf_core {

template <typename T> struct int_type_of { … };
template <> struct int_type_of<double> { … };
template <> struct int_type_of<long double> { … };

#ifdef LIBC_INTERNAL_PRINTF_HAS_FIXED_POINT
template <typename T>
struct int_type_of<cpp::enable_if<cpp::is_fixed_point_v<T>, T>> {
  using type = typename fixed_point::FXRep<T>::StorageType;
};
#endif // LIBC_INTERNAL_PRINTF_HAS_FIXED_POINT

int_type_of_v;

#ifndef LIBC_COPT_PRINTF_DISABLE_INDEX_MODE
#define WRITE_ARG_VAL_SIMPLEST(dst, arg_type, index) …
#else
#define WRITE_ARG_VAL_SIMPLEST …
#endif // LIBC_COPT_PRINTF_DISABLE_INDEX_MODE

template <typename ArgProvider> class Parser { … };

} // namespace printf_core
} // namespace LIBC_NAMESPACE_DECL

#endif // LLVM_LIBC_SRC_STDIO_PRINTF_CORE_PARSER_H