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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
efab39cbd9
- `InstId::Builtin<Inst>` -> `<Inst>::SingletonInstId` - `InstId::PackageNamespace` -> `Namespace::PackageInstId`
43 lines
1.6 KiB
C++
43 lines
1.6 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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#include "toolchain/check/interface.h"
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#include "toolchain/check/context.h"
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#include "toolchain/sem_ir/ids.h"
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#include "toolchain/sem_ir/inst.h"
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#include "toolchain/sem_ir/typed_insts.h"
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namespace Carbon::Check {
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auto BuildAssociatedEntity(Context& context, SemIR::InterfaceId interface_id,
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SemIR::InstId decl_id) -> SemIR::InstId {
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auto& interface_info = context.interfaces().Get(interface_id);
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if (!interface_info.is_being_defined()) {
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// This should only happen if the interface is erroneously defined more than
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// once.
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// TODO: Find a way to CHECK this.
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return SemIR::ErrorInst::SingletonInstId;
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}
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// The interface type is the type of `Self`.
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auto self_type_id =
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context.insts().Get(interface_info.self_param_id).type_id();
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// Register this declaration as declaring an associated entity.
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auto index = SemIR::ElementIndex(
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context.args_type_info_stack().PeekCurrentBlockContents().size());
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context.args_type_info_stack().AddInstId(decl_id);
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// Name lookup for the declaration's name should name the associated entity,
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// not the declaration itself.
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auto type_id = context.GetAssociatedEntityType(
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self_type_id, context.insts().Get(decl_id).type_id());
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return context.AddInst<SemIR::AssociatedEntity>(
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context.insts().GetLocId(decl_id),
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{.type_id = type_id, .index = index, .decl_id = decl_id});
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}
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} // namespace Carbon::Check
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