Goose  helpers.h at [8ddd71f9b2]

File bs/llr/helpers.h artifact c0898d3a28 part of check-in 8ddd71f9b2

#ifndef GOOSE_LLR_HELPERS_H
#define GOOSE_LLR_HELPERS_H

namespace goose::llr
{
    class Instruction;

    bool IsValueConstantOrExecutable( const ir::Value& val );
    bool CanValueBeEagerlyEvaluated( const ir::Value& val );
    bool IsCompileTimeTempRef( const ir::Value& val );

    template< typename T, typename I >
    auto BuildComputedValue( T&& type, I&& instr )
    {
        return ir::Value( forward< T >( type ),
            make_shared< Instruction >( forward< I >( instr ) ) );
    }

    template< typename T >
    class TempStorage
    {
        public:
            template< typename TT >
            auto& set( uint32_t index, TT&& x )
            {
                auto [it, inserted] = m_storage.try_emplace( index );
                it->second = forward< TT >( x );
                return it->second;
            }

            const T* get( uint32_t index ) const
            {
                auto it = m_storage.find( index );
                if( it == m_storage.end() )
                    return nullptr;

                return &it->second;
            }

            T* get( uint32_t index )
            {
                auto it = m_storage.find( index );
                if( it == m_storage.end() )
                    return nullptr;

                return &it->second;
            }

        private:
            unordered_map< uint32_t, T > m_storage;
    };
}

#endif