mycpp

#include "mycpp/gc_mops.h"

#include <errno.h>

#include <stdio.h>

#include "mycpp/gc_alloc.h"

#include "mycpp/gc_builtins.h"  // StringToInt64

#include "mycpp/gc_str.h"

namespace mops {

const BigInt ZERO = BigInt{0};

const BigInt ONE = BigInt{1};

const BigInt MINUS_ONE = BigInt{-1};

static const int kInt64BufSize = 32;  // more than twice as big as kIntBufSize

// Copied from gc_builtins - str(int i)

BigStr* ToStr(BigInt b) {

  BigStr* s = OverAllocatedStr(kInt64BufSize);

  int length = snprintf(s->data(), kInt64BufSize, "%ld", b);

  s->MaybeShrink(length);

  return s;

}

// Copied from gc_builtins - to_int()

BigInt FromStr(BigStr* s, int base) {

  int64_t i;

  if (StringToInt64(s->data_, len(s), base, &i)) {

    return i;

  } else {

    throw Alloc<ValueError>();

  }

}

}  // namespace mops