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Add support of alias'ed enums for IndexType/CppType traits generation (#1627)

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Andreas Süßenbach 2023-07-26 10:17:13 +02:00 committed by GitHub
parent 48b4b6f985
commit 24045ff3f4
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1 changed files with 11 additions and 21 deletions
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32
VulkanHppGenerator.cpp
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@ -7436,41 +7436,31 @@ ${indexTypeTraits}
auto indexType = m_enums.find( "VkIndexType" );
assert( indexType != m_enums.end() );
std::string indexTypeTraits;
std::set<std::string> listedCppTypes;
std::string indexTypeTraits;
for ( auto const & value : indexType->second.values )
{
std::string valueName = generateEnumValueName( indexType->first, value.name, false );
std::string cppType;
if ( !valueName.starts_with( "eNone" ) )
assert( value.name.starts_with( "VK_INDEX_TYPE_UINT" ) || value.name.starts_with( "VK_INDEX_TYPE_NONE" ) );
if ( value.alias.empty() && value.name.starts_with( "VK_INDEX_TYPE_UINT" ) )
{
// get the bit count out of the value Name (8, 16, 32, ... ) and generate the cppType (uint8_t,...)
std::string valueName = generateEnumValueName( indexType->first, value.name, false );
assert( valueName.starts_with( "eUint" ) );
auto beginDigit = valueName.begin() + strlen( "eUint" );
assert( isdigit( *beginDigit ) );
auto endDigit = std::find_if( beginDigit, valueName.end(), []( std::string::value_type c ) { return !isdigit( c ); } );
cppType = "uint" + valueName.substr( strlen( "eUint" ), endDigit - beginDigit ) + "_t";
}
auto endDigit = std::find_if( beginDigit, valueName.end(), []( std::string::value_type c ) { return !isdigit( c ); } );
std::string cppType = "uint" + valueName.substr( strlen( "eUint" ), endDigit - beginDigit ) + "_t";
if ( !cppType.empty() )
{
if ( listedCppTypes.insert( cppType ).second )
{
// IndexType traits aren't necessarily invertible.
// The Type -> Enum translation will only occur for the first prefixed enum value.
// A hypothetical extension to this enum with a conflicting prefix will use the core spec value.
const std::string typeToEnumTemplate = R"(
// from type to enum value
const std::string typeToEnumTemplate = R"(
template <>
struct IndexTypeValue<${cppType}>
{
static VULKAN_HPP_CONST_OR_CONSTEXPR IndexType value = IndexType::${valueName};
};
)";
indexTypeTraits += replaceWithMap( typeToEnumTemplate, { { "cppType", cppType }, { "valueName", valueName } } );
}
indexTypeTraits += replaceWithMap( typeToEnumTemplate, { { "cppType", cppType }, { "valueName", valueName } } );
// Enum -> Type translations are always able to occur.
const std::string enumToTypeTemplate = R"(
// from enum value to type
const std::string enumToTypeTemplate = R"(
template <>
struct CppType<IndexType, IndexType::${valueName}>
{