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Minor IDE changes

This commit is contained in:
Brian Fiete 2019-09-27 13:03:47 -07:00
parent be3c968e2b
commit 2ea5d31c37
15 changed files with 373 additions and 87 deletions

View file

@ -1,3 +1,5 @@
using System.Globalization;
namespace System
{
struct Int32 : int32, IInteger, ISigned, IHashable, IFormattable, IOpComparable, IIsNaN, IOpNegatable, IOpAddable
@ -120,17 +122,19 @@ namespace System
ToString(outString, minNumerals);
}
public static Result<int32, ParseError> Parse(StringView val)
public static Result<int32, ParseError> Parse(StringView val, NumberStyles style)
{
if (val.Length == 0)
if (val.IsEmpty)
return .Err(.NoValue);
bool isNeg = false;
int32 result = 0;
//TODO: Use Number.ParseNumber
int32 result = 0;
int32 radix = style.HasFlag(.AllowHexSpecifier) ? 0x10 : 10;
for (int32 i = 0; i < val.Length; i++)
{
char8 c = val.Ptr[i];
char8 c = val[i];
if ((i == 0) && (c == '-'))
{
@ -140,13 +144,39 @@ namespace System
if ((c >= '0') && (c <= '9'))
{
result *= 10;
result *= radix;
result += (int32)(c - '0');
}
else if ((c >= 'a') && (c <= 'f'))
{
result *= radix;
result += c - 'a' + 10;
}
else if ((c >= 'A') && (c <= 'F'))
{
result *= radix;
result += c - 'A' + 10;
}
else if ((c == 'X') || (c == 'x'))
{
if (result != 0)
return .Err(.InvalidChar(result));
radix = 0x10;
}
else if (c == '\'')
{
// Ignore
}
else
return .Err(.InvalidChar(isNeg ? -result : result));
return .Err(.InvalidChar(result));
}
return .Ok(isNeg ? -result : result);
return isNeg ? -result : result;
}
public static Result<int32, ParseError> Parse(StringView val)
{
return Parse(val, .Any);
}
}
}