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cfmt/StrFmt: support s128 formatting (untested)

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Nekotekina 2022-11-24 17:17:46 +03:00 committed by Ivan
parent 661be41c5a
commit bf388e5428
2 changed files with 36 additions and 22 deletions
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5
Utilities/StrFmt.cpp
View File

@ -449,7 +449,7 @@ struct fmt::cfmt_src
{
// Hack: use known function pointers to determine type
#define TYPE(type) \
if (sup[extra].fmt_string == &fmt_class_string<type>::format) return sizeof(type);
if (sup[extra].fmt_string == &fmt_class_string<type>::format) return sizeof(type);
TYPE(int);
TYPE(llong);
@ -457,10 +457,11 @@ struct fmt::cfmt_src
TYPE(short);
if (std::is_signed<char>::value) TYPE(char);
TYPE(long);
TYPE(u128);
TYPE(s128);
#undef TYPE
if (sup[extra].fmt_string == &fmt_class_string<u128>::format)
return -1;
return 0;
}

53
Utilities/cfmt.h
View File

@ -367,9 +367,11 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
break;
}
if (!ctx.type)
const usz src_type = src.type(ctx.args);
if (!ctx.type || src_type > 8)
{
ctx.type = static_cast<u8>(src.type(ctx.args));
ctx.type = static_cast<u8>(src_type);
if (!ctx.type)
{
@ -379,7 +381,13 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
// Sign-extended argument expected
const u64 val = src.template get<u64>(ctx.args);
const bool negative = ctx.type && static_cast<s64>(val) < 0;
bool negative = ctx.type && ctx.type <= 8 && static_cast<s64>(val) < 0;
if (ctx.type == 16)
{
u128 val2 = *reinterpret_cast<const u128*>(val);
negative = !!(val2 & (u128{1} << 127));
}
const usz start = out.size();
@ -398,15 +406,14 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
out.push_back(' ');
}
if (ctx.type == 16)
if (ctx.type >= 16)
{
// TODO: support negative values (s128)
u128 val2 = *reinterpret_cast<u128*>(val);
write_decimal(val2, ctx.prec);
u128 val2 = *reinterpret_cast<const u128*>(val);
write_decimal(negative ? u128{} - val2 : val2, ctx.prec);
}
else
{
write_decimal(negative ? 0 - val : val, ctx.prec);
write_decimal(negative ? u64{} - val : val, ctx.prec);
}
}
@ -438,9 +445,11 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
break;
}
if (!ctx.type)
const usz src_type = src.type(ctx.args);
if (!ctx.type || src_type > 8)
{
ctx.type = static_cast<u8>(src.type(ctx.args));
ctx.type = static_cast<u8>(src_type);
if (!ctx.type)
{
@ -471,9 +480,9 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
if ((ctx.alter && val) || !ctx.dot || ctx.prec)
{
if (ctx.type == 16)
if (ctx.type >= 16)
{
u128 val2 = *reinterpret_cast<u128*>(val);
u128 val2 = *reinterpret_cast<const u128*>(val);
write_octal(val2, ctx.prec);
}
else
@ -504,9 +513,11 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
break;
}
if (!ctx.type)
const usz src_type = src.type(ctx.args);
if (!ctx.type || src_type > 8)
{
ctx.type = static_cast<u8>(src.type(ctx.args));
ctx.type = static_cast<u8>(src_type);
if (!ctx.type)
{
@ -537,9 +548,9 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
if ((ctx.alter && val) || !ctx.dot || ctx.prec)
{
if (ctx.type == 16)
if (ctx.type >= 16)
{
u128 val2 = *reinterpret_cast<u128*>(val);
u128 val2 = *reinterpret_cast<const u128*>(val);
write_hex(val2, ch == 'X', ctx.prec);
}
else
@ -576,9 +587,11 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
break;
}
if (!ctx.type)
const usz src_type = src.type(ctx.args);
if (!ctx.type || src_type > 8)
{
ctx.type = static_cast<u8>(src.type(ctx.args));
ctx.type = static_cast<u8>(src_type);
if (!ctx.type)
{
@ -599,9 +612,9 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
if (!ctx.dot || ctx.prec)
{
if (ctx.type == 16)
if (ctx.type >= 16)
{
u128 val2 = *reinterpret_cast<u128*>(val);
u128 val2 = *reinterpret_cast<const u128*>(val);
write_decimal(val2, ctx.prec);
}
else