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124313269a
The goal was/is to reduce the overhead for vtables in generics - the previous representation/prior to this patch caused a new vtable to be created in every specific which isn't generally what we want for Carbon generics (the whole specific/generic thing is meant to avoid creating specific versions for things that can be a generic form parameterized by a specific instead of manifest as a unique entity per specific) So this moves vtables to a top level object (like functions, classes, etc). Each dynamic class will have a vtable in this list. Classes have a `vtable_ptr` instruction in them that points to the vtable. The actual generic support hasn't been implemented in this patch, as I've been struggling with just getting this part of the migration going & wanted to get it flushed out before adding the additional complications. It's possible more laziness when doing cross-file importing would be suitable - for instance if we only need to reference the vtable from another file, but don't need to know its individual contents, it may be beneficial for the functions in the vtable to be import_refs (or to add another layer of indirection - so it can be a single import_ref all-or-nothing for the functions in the vtable). --------- Co-authored-by: Richard Smith <richard@metafoo.co.uk> Co-authored-by: Carbon Infra Bot <carbon-external-infra@google.com>
150 lines
5.6 KiB
C++
150 lines
5.6 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// This is an X-macro header. It does not use `#include` guards, and instead is
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// designed to be `#include`ed after the x-macro is defined in order for its
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// inclusion to expand to the desired output. Macro definitions are cleaned up
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// at the end of this file.
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//
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// This macro should be defined before including this header:
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// - CARBON_SEM_IR_INST_KIND(Name)
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// Invoked for each kind of semantic instruction.
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#ifndef CARBON_SEM_IR_INST_KIND
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#error "Must define the x-macro to use this file."
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#define CARBON_SEM_IR_INST_KIND(Name)
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#endif
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// For each instruction kind declared here there is a matching definition in
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// `typed_insts.h`.
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CARBON_SEM_IR_INST_KIND(AccessMemberAction)
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CARBON_SEM_IR_INST_KIND(AccessOptionalMemberAction)
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CARBON_SEM_IR_INST_KIND(AdaptDecl)
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CARBON_SEM_IR_INST_KIND(AddrOf)
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CARBON_SEM_IR_INST_KIND(AddrPattern)
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CARBON_SEM_IR_INST_KIND(ArrayIndex)
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CARBON_SEM_IR_INST_KIND(ArrayInit)
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CARBON_SEM_IR_INST_KIND(ArrayType)
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CARBON_SEM_IR_INST_KIND(AsCompatible)
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CARBON_SEM_IR_INST_KIND(Assign)
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CARBON_SEM_IR_INST_KIND(AssociatedConstantDecl)
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CARBON_SEM_IR_INST_KIND(AssociatedEntity)
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CARBON_SEM_IR_INST_KIND(AssociatedEntityType)
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CARBON_SEM_IR_INST_KIND(AutoType)
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CARBON_SEM_IR_INST_KIND(BaseDecl)
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CARBON_SEM_IR_INST_KIND(BindAlias)
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CARBON_SEM_IR_INST_KIND(BindName)
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CARBON_SEM_IR_INST_KIND(BindSymbolicName)
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CARBON_SEM_IR_INST_KIND(BindValue)
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CARBON_SEM_IR_INST_KIND(BindingPattern)
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CARBON_SEM_IR_INST_KIND(BlockArg)
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CARBON_SEM_IR_INST_KIND(BoolLiteral)
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CARBON_SEM_IR_INST_KIND(BoolType)
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CARBON_SEM_IR_INST_KIND(BoundMethod)
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CARBON_SEM_IR_INST_KIND(BoundMethodType)
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CARBON_SEM_IR_INST_KIND(Branch)
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CARBON_SEM_IR_INST_KIND(BranchIf)
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CARBON_SEM_IR_INST_KIND(BranchWithArg)
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CARBON_SEM_IR_INST_KIND(Call)
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CARBON_SEM_IR_INST_KIND(ClassDecl)
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CARBON_SEM_IR_INST_KIND(ClassElementAccess)
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CARBON_SEM_IR_INST_KIND(ClassInit)
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CARBON_SEM_IR_INST_KIND(ClassType)
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CARBON_SEM_IR_INST_KIND(CompleteTypeWitness)
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CARBON_SEM_IR_INST_KIND(ConstType)
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CARBON_SEM_IR_INST_KIND(ConvertToValueAction)
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CARBON_SEM_IR_INST_KIND(Converted)
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CARBON_SEM_IR_INST_KIND(Deref)
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CARBON_SEM_IR_INST_KIND(ErrorInst)
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CARBON_SEM_IR_INST_KIND(ExportDecl)
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CARBON_SEM_IR_INST_KIND(FacetAccessType)
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CARBON_SEM_IR_INST_KIND(FacetType)
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CARBON_SEM_IR_INST_KIND(FacetValue)
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CARBON_SEM_IR_INST_KIND(FieldDecl)
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CARBON_SEM_IR_INST_KIND(FloatLiteral)
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CARBON_SEM_IR_INST_KIND(FloatType)
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CARBON_SEM_IR_INST_KIND(FunctionDecl)
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CARBON_SEM_IR_INST_KIND(FunctionType)
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CARBON_SEM_IR_INST_KIND(FunctionTypeWithSelfType)
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CARBON_SEM_IR_INST_KIND(GenericClassType)
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CARBON_SEM_IR_INST_KIND(GenericInterfaceType)
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CARBON_SEM_IR_INST_KIND(ImplDecl)
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CARBON_SEM_IR_INST_KIND(LookupImplWitness)
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CARBON_SEM_IR_INST_KIND(ImplWitness)
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CARBON_SEM_IR_INST_KIND(ImplWitnessAccess)
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CARBON_SEM_IR_INST_KIND(ImplWitnessAssociatedConstant)
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CARBON_SEM_IR_INST_KIND(ImplWitnessTable)
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CARBON_SEM_IR_INST_KIND(ImplWitnessTablePlaceholder)
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CARBON_SEM_IR_INST_KIND(ImportCppDecl)
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CARBON_SEM_IR_INST_KIND(ImportDecl)
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CARBON_SEM_IR_INST_KIND(ImportRefLoaded)
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CARBON_SEM_IR_INST_KIND(ImportRefUnloaded)
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CARBON_SEM_IR_INST_KIND(InitializeFrom)
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CARBON_SEM_IR_INST_KIND(InstType)
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CARBON_SEM_IR_INST_KIND(InstValue)
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CARBON_SEM_IR_INST_KIND(IntLiteralType)
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CARBON_SEM_IR_INST_KIND(IntType)
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CARBON_SEM_IR_INST_KIND(IntValue)
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CARBON_SEM_IR_INST_KIND(InterfaceDecl)
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CARBON_SEM_IR_INST_KIND(LegacyFloatType)
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CARBON_SEM_IR_INST_KIND(NameBindingDecl)
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CARBON_SEM_IR_INST_KIND(NameRef)
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CARBON_SEM_IR_INST_KIND(Namespace)
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CARBON_SEM_IR_INST_KIND(NamespaceType)
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CARBON_SEM_IR_INST_KIND(OutParam)
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CARBON_SEM_IR_INST_KIND(OutParamPattern)
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CARBON_SEM_IR_INST_KIND(PartialType)
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CARBON_SEM_IR_INST_KIND(PatternType)
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CARBON_SEM_IR_INST_KIND(PointerType)
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CARBON_SEM_IR_INST_KIND(RefParam)
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CARBON_SEM_IR_INST_KIND(RefParamPattern)
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CARBON_SEM_IR_INST_KIND(RefineTypeAction)
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CARBON_SEM_IR_INST_KIND(RequireCompleteType)
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CARBON_SEM_IR_INST_KIND(RequirementEquivalent)
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CARBON_SEM_IR_INST_KIND(RequirementImpls)
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CARBON_SEM_IR_INST_KIND(RequirementRewrite)
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CARBON_SEM_IR_INST_KIND(Return)
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CARBON_SEM_IR_INST_KIND(ReturnExpr)
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CARBON_SEM_IR_INST_KIND(ReturnSlot)
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CARBON_SEM_IR_INST_KIND(ReturnSlotPattern)
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CARBON_SEM_IR_INST_KIND(SpecificConstant)
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CARBON_SEM_IR_INST_KIND(SpecificFunction)
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CARBON_SEM_IR_INST_KIND(SpecificFunctionType)
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CARBON_SEM_IR_INST_KIND(SpecificImplFunction)
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CARBON_SEM_IR_INST_KIND(SpliceBlock)
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CARBON_SEM_IR_INST_KIND(SpliceInst)
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CARBON_SEM_IR_INST_KIND(StringLiteral)
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CARBON_SEM_IR_INST_KIND(StringType)
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CARBON_SEM_IR_INST_KIND(StructAccess)
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CARBON_SEM_IR_INST_KIND(StructInit)
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CARBON_SEM_IR_INST_KIND(StructLiteral)
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CARBON_SEM_IR_INST_KIND(StructType)
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CARBON_SEM_IR_INST_KIND(StructValue)
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CARBON_SEM_IR_INST_KIND(SymbolicBindingPattern)
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CARBON_SEM_IR_INST_KIND(Temporary)
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CARBON_SEM_IR_INST_KIND(TemporaryStorage)
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CARBON_SEM_IR_INST_KIND(TupleAccess)
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CARBON_SEM_IR_INST_KIND(TupleInit)
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CARBON_SEM_IR_INST_KIND(TupleLiteral)
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CARBON_SEM_IR_INST_KIND(TuplePattern)
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CARBON_SEM_IR_INST_KIND(TupleType)
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CARBON_SEM_IR_INST_KIND(TupleValue)
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CARBON_SEM_IR_INST_KIND(TypeOfInst)
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CARBON_SEM_IR_INST_KIND(TypeType)
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CARBON_SEM_IR_INST_KIND(UnaryOperatorNot)
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CARBON_SEM_IR_INST_KIND(UnboundElementType)
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CARBON_SEM_IR_INST_KIND(ValueAsRef)
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CARBON_SEM_IR_INST_KIND(ValueOfInitializer)
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CARBON_SEM_IR_INST_KIND(ValueParam)
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CARBON_SEM_IR_INST_KIND(ValueParamPattern)
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CARBON_SEM_IR_INST_KIND(VarPattern)
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CARBON_SEM_IR_INST_KIND(VarStorage)
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CARBON_SEM_IR_INST_KIND(VtableType)
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CARBON_SEM_IR_INST_KIND(VtablePtr)
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CARBON_SEM_IR_INST_KIND(WhereExpr)
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CARBON_SEM_IR_INST_KIND(WitnessType)
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#undef CARBON_SEM_IR_INST_KIND
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#undef CARBON_SEM_IR_BUILTIN_INST_KIND
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