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Build Generic objects for generic classes and interfaces. (#4086)
In `ClassType`s and `InterfaceType`s, track a `GenericInstanceId` for the instance rather than just the argument list. --------- Co-authored-by: Jon Ross-Perkins <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| // Part of the Carbon Language project, under the Apache License v2.0 with LLVM | ||
| // Exceptions. See /LICENSE for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
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| #include "toolchain/check/generic.h" | ||
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| #include "toolchain/sem_ir/ids.h" | ||
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| namespace Carbon::Check { | ||
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| auto StartGenericDecl(Context& /*context*/) -> void { | ||
| // TODO: Start tracking the contents of this declaration. | ||
| } | ||
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| auto StartGenericDefinition(Context& /*context*/, | ||
| SemIR::GenericId /*generic_id*/) -> void { | ||
| // TODO: Start tracking the contents of this definition. | ||
| } | ||
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| auto FinishGenericDecl(Context& context, SemIR::InstId decl_id) | ||
| -> SemIR::GenericId { | ||
| if (context.scope_stack().compile_time_binding_stack().empty()) { | ||
| return SemIR::GenericId::Invalid; | ||
| } | ||
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| auto bindings_id = context.inst_blocks().Add( | ||
| context.scope_stack().compile_time_binding_stack()); | ||
| return context.generics().Add( | ||
| SemIR::Generic{.decl_id = decl_id, .bindings_id = bindings_id}); | ||
| } | ||
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| auto FinishGenericRedecl(Context& /*context*/, SemIR::InstId /*decl_id*/, | ||
| SemIR::GenericId /*generic_id*/) -> void { | ||
| // TODO: Compare contents of this declaration with the existing one on the | ||
| // generic. | ||
| } | ||
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| auto FinishGenericDefinition(Context& /*context*/, | ||
| SemIR::GenericId /*generic_id*/) -> void { | ||
| // TODO: Track contents of this generic definition. | ||
| } | ||
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| } // namespace Carbon::Check |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| // Part of the Carbon Language project, under the Apache License v2.0 with LLVM | ||
| // Exceptions. See /LICENSE for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
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| #ifndef CARBON_TOOLCHAIN_CHECK_GENERIC_H_ | ||
| #define CARBON_TOOLCHAIN_CHECK_GENERIC_H_ | ||
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| #include "toolchain/check/context.h" | ||
| #include "toolchain/sem_ir/ids.h" | ||
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| namespace Carbon::Check { | ||
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| // Start processing a declaration or definition that might be a generic entity. | ||
| auto StartGenericDecl(Context& /*context*/) -> void; | ||
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| // Start processing a declaration or definition that might be a generic entity. | ||
| auto StartGenericDefinition(Context& /*context*/, | ||
| SemIR::GenericId /*generic_id*/) -> void; | ||
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| // Finish processing a potentially generic declaration and produce a | ||
| // corresponding generic object. Returns SemIR::GenericId::Invalid if this | ||
| // declaration is not actually generic. | ||
| auto FinishGenericDecl(Context& context, SemIR::InstId decl_id) | ||
| -> SemIR::GenericId; | ||
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| // Merge a redeclaration of an entity that might be a generic into the original | ||
| // declaration. | ||
| auto FinishGenericRedecl(Context& context, SemIR::InstId decl_id, | ||
| SemIR::GenericId generic_id) -> void; | ||
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| // Finish processing a potentially generic definition. | ||
| auto FinishGenericDefinition(Context& context, SemIR::GenericId generic_id) | ||
| -> void; | ||
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| } // namespace Carbon::Check | ||
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| #endif // CARBON_TOOLCHAIN_CHECK_GENERIC_H_ |
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