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a69c2630f9
This does a few things: * Replaces the single `TypeId` in the `FacetTypeInfo` struct with a vector of `InterfaceId`, `SpecificId` pairs (sorted in id order) representing the set of interface requirements of the facet type. This will later be used to support facet types with multiple interface requirements (as in `I & J` or `I where .Self impls J`). * Replace `InterfaceType` instructions (used as the type of an `InterfaceDecl` instruction) with `FacetType` instructions (introduced in #4460) with a (newly introduced) `FacetTypeFromInterface()` function. * Replace code that consumed `InterfaceType` values with code that consumed `FaceType` values. I've generally left the assumption in the code that it is dealing with a single interface, using the (newly introduced) `FacetTypeInfo::TryAsSingleInterface`, and producing an error otherwise. There isn't yet support for the `&` operator or `where .Self impls`, so this is generally a good assumption for now, except you can get a facet type with no associated interfaces from a `type where`... expression. In some cases, the facet type value is pulled from the evaluation of an `InterfaceDecl` instruction, where the single interface assumption will hold permanently. * Some related cleans up: nicer stringification and formatting of facet types, suppression of some errors when there already was an error. There is still a lot left to do, including: * Type `type` should be a facet type with a reserved id, replacing the built-in instruction. * Code using `TryAsSingleInterface` should generally be upgraded to handle more than (or less than) one interface. Name lookup should be particularly exciting. * Operator `&` should be defined on facet types, unioning their interface and other requirements. * Requirements from a `where` clause don't do anything yet. * Impls and impl lookup need to resolve facet types, and do things like determine if all the associated constants are given values. --------- Co-authored-by: Josh L <josh11b@users.noreply.github.com> Co-authored-by: Geoff Romer <gromer@google.com>
112 lines
4.1 KiB
C++
112 lines
4.1 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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#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(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(BaseDecl)
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CARBON_SEM_IR_INST_KIND(BindAlias)
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CARBON_SEM_IR_INST_KIND(ExportDecl)
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CARBON_SEM_IR_INST_KIND(BindingPattern)
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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(BlockArg)
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CARBON_SEM_IR_INST_KIND(BoolLiteral)
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CARBON_SEM_IR_INST_KIND(BoundMethod)
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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(BuiltinInst)
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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(Converted)
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CARBON_SEM_IR_INST_KIND(Deref)
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CARBON_SEM_IR_INST_KIND(FacetType)
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CARBON_SEM_IR_INST_KIND(FacetTypeAccess)
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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(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(ImportDecl)
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CARBON_SEM_IR_INST_KIND(ImportRefUnloaded)
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CARBON_SEM_IR_INST_KIND(ImportRefLoaded)
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CARBON_SEM_IR_INST_KIND(InitializeFrom)
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CARBON_SEM_IR_INST_KIND(InterfaceDecl)
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CARBON_SEM_IR_INST_KIND(InterfaceWitness)
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CARBON_SEM_IR_INST_KIND(InterfaceWitnessAccess)
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CARBON_SEM_IR_INST_KIND(IntValue)
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CARBON_SEM_IR_INST_KIND(IntType)
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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(OutParam)
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CARBON_SEM_IR_INST_KIND(OutParamPattern)
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CARBON_SEM_IR_INST_KIND(PointerType)
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CARBON_SEM_IR_INST_KIND(RequirementRewrite)
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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(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(SpliceBlock)
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CARBON_SEM_IR_INST_KIND(StringLiteral)
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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(TemporaryStorage)
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CARBON_SEM_IR_INST_KIND(Temporary)
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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(TupleType)
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CARBON_SEM_IR_INST_KIND(TupleValue)
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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(VarStorage)
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CARBON_SEM_IR_INST_KIND(WhereExpr)
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#undef CARBON_SEM_IR_INST_KIND
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