TryParseInt64D()

static bool System.Buffers.Text.Utf8Parser.TryParseInt64D ( ReadOnlySpan< byte > source, out long value, out int bytesConsumed )

inlinestaticprivate

Definition at line 1759 of file Utf8Parser.cs.

    {
        long num = 0L;
        int num2 = 0;
        while ((uint)num2 < (uint)source.Length)
        {
            nuint num3 = (uint)(source[num2] - 48);
            if ((uint)num3 > 9)
            {
                if (num2 != 0)
                {
                    break;
                }
                num2++;
                if ((int)num3 == -3)
                {
                    num--;
                }
                else if ((int)num3 != -5)
                {
                    break;
                }
                continue;
            }
            ulong num4 = num3;
            int num5 = 19 + num2;
            num2++;
            if (source.Length < num5)
            {
                for (; (uint)num2 < (uint)source.Length; num2++)
                {
                    nuint num6 = (uint)(source[num2] - 48);
                    if ((uint)num6 > 9)
                    {
                        break;
                    }
                    num4 = num4 * 10 + num6;
                }
            }
            else
            {
                while ((uint)num2 < (uint)source.Length)
                {
                    nuint num7 = (uint)(source[num2] - 48);
                    if ((uint)num7 > 9)
                    {
                        break;
                    }
                    num2++;
                    if (num4 < 922337203685477580L)
                    {
                        num4 = num4 * 10 + num7;
                        continue;
                    }
                    if (num4 != 922337203685477580L || (int)num7 + (int)num > 7)
                    {
                        goto end_IL_0005;
                    }
                    num4 = 9223372036854775800uL + (ulong)num7;
                }
            }
            bytesConsumed = num2;
            value = (long)(num4 ^ (ulong)num) - num;
            return true;
            continue;
            end_IL_0005:
            break;
        }
        bytesConsumed = 0;
        value = 0L;
        return false;
    }

References System.L, System.source, and System.value.

Referenced by System.Buffers.Text.Utf8Parser.TryParse().