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types/dispatch: remember to include the original enum tag

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This commit is contained in:
Danny Robson 2019-05-30 10:51:49 +10:00
parent 41edd3cebe
commit de33f8c8ce
1 changed files with 22 additions and 22 deletions
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44
types/dispatch.hpp
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@ -23,39 +23,39 @@ namespace cruft::types {
decltype(auto)
visit (description const &descriminator, FunctionT &&func, Args&&...args)
{
#define INVOKE(KLASS) \
#define INVOKE(TAG) \
return std::invoke( \
std::forward<FunctionT> (func), \
std::forward<Args> (args)..., \
type_tag<KLASS> {} \
TAG \
);
switch (descriminator.category) {
case category ::NONE: INVOKE(void)
case category ::NONE: INVOKE(type_tag<void> {})
case category::REAL:
switch (descriminator.width) {
case 4: INVOKE(f32)
case 8: INVOKE(f64)
case 4: INVOKE(type_tag<f32> {})
case 8: INVOKE(type_tag<f64> {})
default:
throw std::invalid_argument ("Unsupported floating point width");
}
case category::BOOL: INVOKE(bool)
case category::BOOL: INVOKE(type_tag<bool> {})
case category::ENUM: {
if (descriminator.signedness) {
switch (descriminator.width) {
case 1: INVOKE(unknown_enum_tag<i08>)
case 2: INVOKE(unknown_enum_tag<i16>)
case 3: INVOKE(unknown_enum_tag<i32>)
case 4: INVOKE(unknown_enum_tag<i64>)
case 1: INVOKE(type_tag<unknown_enum_tag<i08>> { descriminator })
case 2: INVOKE(type_tag<unknown_enum_tag<i16>> { descriminator })
case 3: INVOKE(type_tag<unknown_enum_tag<i32>> { descriminator })
case 4: INVOKE(type_tag<unknown_enum_tag<i64>> { descriminator })
}
} else {
switch (descriminator.width) {
case 1: INVOKE(unknown_enum_tag<u08>)
case 2: INVOKE(unknown_enum_tag<u16>)
case 3: INVOKE(unknown_enum_tag<u32>)
case 4: INVOKE(unknown_enum_tag<u64>)
case 1: INVOKE(type_tag<unknown_enum_tag<u08>> { descriminator })
case 2: INVOKE(type_tag<unknown_enum_tag<u16>> { descriminator })
case 3: INVOKE(type_tag<unknown_enum_tag<u32>> { descriminator })
case 4: INVOKE(type_tag<unknown_enum_tag<u64>> { descriminator })
}
}
break;
@ -66,17 +66,17 @@ namespace cruft::types {
if (descriminator.signedness) {
switch (descriminator.width) {
case 1: INVOKE(i08)
case 2: INVOKE(i16)
case 3: INVOKE(i32)
case 4: INVOKE(i64)
case 1: INVOKE(type_tag<i08> {})
case 2: INVOKE(type_tag<i16> {})
case 3: INVOKE(type_tag<i32> {})
case 4: INVOKE(type_tag<i64> {})
}
} else {
switch (descriminator.width) {
case 1: INVOKE(u08)
case 2: INVOKE(u16)
case 3: INVOKE(u32)
case 4: INVOKE(u64)
case 1: INVOKE(type_tag<u08> {})
case 2: INVOKE(type_tag<u16> {})
case 3: INVOKE(type_tag<u32> {})
case 4: INVOKE(type_tag<u64> {})
}
}