/* Copyright (c) INRIA and Microsoft Corporation. All rights reserved.
   Licensed under the Apache 2.0 and MIT Licenses. */

#ifndef KRML_COMPAT_H
#define KRML_COMPAT_H

#include <inttypes.h>

/* A series of macros that define C implementations of types that are not Low*,
 * to facilitate porting programs to Low*. */

typedef struct {
    uint32_t length;
    const char *data;
} FStar_Bytes_bytes;

typedef int32_t Prims_pos, Prims_nat, Prims_nonzero, Prims_int,
    krml_checked_int_t;

#define RETURN_OR(x)                                                         \
    do {                                                                     \
        int64_t __ret = x;                                                   \
        if (__ret < INT32_MIN || INT32_MAX < __ret) {                        \
            KRML_HOST_PRINTF(                                                \
                "Prims.{int,nat,pos} integer overflow at %s:%d\n", __FILE__, \
                __LINE__);                                                   \
            KRML_HOST_EXIT(252);                                             \
        }                                                                    \
        return (int32_t)__ret;                                               \
    } while (0)

#endif