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refactor: Print verbose serialize compiler error messages

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MarcoFalke 2023-12-11 22:33:56 +01:00
parent 9776186e9f
commit fa898e6836
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3 changed files with 21 additions and 10 deletions
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2
src/.clang-format
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@ -43,5 +43,7 @@ SpacesInAngles: false
SpacesInContainerLiterals: true
SpacesInCStyleCastParentheses: false
SpacesInParentheses: false
BreakBeforeConceptDeclarations: Always
RequiresExpressionIndentation: OuterScope
Standard: c++20
UseTab: Never

23
src/serialize.h
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@ -273,8 +273,8 @@ template<typename Stream> inline void Serialize(Stream& s, int64_t a ) { ser_wri
template<typename Stream> inline void Serialize(Stream& s, uint64_t a) { ser_writedata64(s, a); }
template<typename Stream, int N> inline void Serialize(Stream& s, const char (&a)[N]) { s.write(MakeByteSpan(a)); }
template<typename Stream, int N> inline void Serialize(Stream& s, const unsigned char (&a)[N]) { s.write(MakeByteSpan(a)); }
template <typename Stream, typename B, std::size_t N> void Serialize(Stream& s, const std::array<B, N>& a) { (void)/* force byte-type */UCharCast(a.data()); s.write(MakeByteSpan(a)); }
template <typename Stream, typename B> void Serialize(Stream& s, Span<B> span) { (void)/* force byte-type */UCharCast(span.data()); s.write(AsBytes(span)); }
template <typename Stream, BasicByte B, std::size_t N> void Serialize(Stream& s, const std::array<B, N>& a) { s.write(MakeByteSpan(a)); }
template <typename Stream, BasicByte B> void Serialize(Stream& s, Span<B> span) { s.write(AsBytes(span)); }
#ifndef CHAR_EQUALS_INT8
template <typename Stream> void Unserialize(Stream&, char) = delete; // char serialization forbidden. Use uint8_t or int8_t
@ -290,8 +290,8 @@ template<typename Stream> inline void Unserialize(Stream& s, int64_t& a ) { a =
template<typename Stream> inline void Unserialize(Stream& s, uint64_t& a) { a = ser_readdata64(s); }
template<typename Stream, int N> inline void Unserialize(Stream& s, char (&a)[N]) { s.read(MakeWritableByteSpan(a)); }
template<typename Stream, int N> inline void Unserialize(Stream& s, unsigned char (&a)[N]) { s.read(MakeWritableByteSpan(a)); }
template <typename Stream, typename B, std::size_t N> void Unserialize(Stream& s, std::array<B, N>& a) { (void)/* force byte-type */UCharCast(a.data()); s.read(MakeWritableByteSpan(a)); }
template <typename Stream, typename B> void Unserialize(Stream& s, Span<B> span) { (void)/* force byte-type */UCharCast(span.data()); s.read(AsWritableBytes(span)); }
template <typename Stream, BasicByte B, std::size_t N> void Unserialize(Stream& s, std::array<B, N>& a) { s.read(MakeWritableByteSpan(a)); }
template <typename Stream, BasicByte B> void Unserialize(Stream& s, Span<B> span) { s.read(AsWritableBytes(span)); }
template <typename Stream> inline void Serialize(Stream& s, bool a) { uint8_t f = a; ser_writedata8(s, f); }
template <typename Stream> inline void Unserialize(Stream& s, bool& a) { uint8_t f = ser_readdata8(s); a = f; }
@ -755,18 +755,23 @@ template<typename Stream, typename T> void Serialize(Stream& os, const std::uniq
template<typename Stream, typename T> void Unserialize(Stream& os, std::unique_ptr<const T>& p);
/**
* If none of the specialized versions above matched, default to calling member function.
*/
template<typename Stream, typename T>
inline void Serialize(Stream& os, const T& a)
template <class T, class Stream>
concept Serializable = requires(T a, Stream s) { a.Serialize(s); };
template <typename Stream, typename T>
requires Serializable<T, Stream>
void Serialize(Stream& os, const T& a)
{
a.Serialize(os);
}
template<typename Stream, typename T>
inline void Unserialize(Stream& is, T&& a)
template <class T, class Stream>
concept Unserializable = requires(T a, Stream s) { a.Unserialize(s); };
template <typename Stream, typename T>
requires Unserializable<T, Stream>
void Unserialize(Stream& is, T&& a)
{
a.Unserialize(is);
}

6
src/span.h
View file

@ -8,6 +8,7 @@
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <span>
#include <type_traits>
#ifdef DEBUG
@ -283,13 +284,16 @@ Span<std::byte> MakeWritableByteSpan(V&& v) noexcept
return AsWritableBytes(Span{std::forward<V>(v)});
}
// Helper functions to safely cast to unsigned char pointers.
// Helper functions to safely cast basic byte pointers to unsigned char pointers.
inline unsigned char* UCharCast(char* c) { return reinterpret_cast<unsigned char*>(c); }
inline unsigned char* UCharCast(unsigned char* c) { return c; }
inline unsigned char* UCharCast(std::byte* c) { return reinterpret_cast<unsigned char*>(c); }
inline const unsigned char* UCharCast(const char* c) { return reinterpret_cast<const unsigned char*>(c); }
inline const unsigned char* UCharCast(const unsigned char* c) { return c; }
inline const unsigned char* UCharCast(const std::byte* c) { return reinterpret_cast<const unsigned char*>(c); }
// Helper concept for the basic byte types.
template <typename B>
concept BasicByte = requires { UCharCast(std::span<B>{}.data()); };
// Helper function to safely convert a Span to a Span<[const] unsigned char>.
template <typename T> constexpr auto UCharSpanCast(Span<T> s) -> Span<typename std::remove_pointer<decltype(UCharCast(s.data()))>::type> { return {UCharCast(s.data()), s.size()}; }