luau/Analysis/include/Luau/Instantiation.h

54 lines
1.5 KiB
C++

// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#pragma once
#include "Luau/Substitution.h"
#include "Luau/TypeVar.h"
#include "Luau/Unifiable.h"
namespace Luau
{
struct TypeArena;
struct TxnLog;
// A substitution which replaces generic types in a given set by free types.
struct ReplaceGenerics : Substitution
{
ReplaceGenerics(
const TxnLog* log, TypeArena* arena, TypeLevel level, const std::vector<TypeId>& generics, const std::vector<TypePackId>& genericPacks)
: Substitution(log, arena)
, level(level)
, generics(generics)
, genericPacks(genericPacks)
{
}
TypeLevel level;
std::vector<TypeId> generics;
std::vector<TypePackId> genericPacks;
bool ignoreChildren(TypeId ty) override;
bool isDirty(TypeId ty) override;
bool isDirty(TypePackId tp) override;
TypeId clean(TypeId ty) override;
TypePackId clean(TypePackId tp) override;
};
// A substitution which replaces generic functions by monomorphic functions
struct Instantiation : Substitution
{
Instantiation(const TxnLog* log, TypeArena* arena, TypeLevel level)
: Substitution(log, arena)
, level(level)
{
}
TypeLevel level;
bool ignoreChildren(TypeId ty) override;
bool isDirty(TypeId ty) override;
bool isDirty(TypePackId tp) override;
TypeId clean(TypeId ty) override;
TypePackId clean(TypePackId tp) override;
};
} // namespace Luau