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82 lines
3.5 KiB
C++
82 lines
3.5 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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#ifndef CARBON_TOOLCHAIN_CHECK_IMPORT_REF_H_
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#define CARBON_TOOLCHAIN_CHECK_IMPORT_REF_H_
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#include "toolchain/check/context.h"
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#include "toolchain/sem_ir/file.h"
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#include "toolchain/sem_ir/ids.h"
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namespace Carbon::Check {
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// Sets the IRs for `ImportIRId::ApiForImpl` from `import_ir`, and
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// `ImportIRId::Cpp` from defaults. Should be called before `AddImportIR` in
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// order to ensure the correct IDs are assigned.
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auto SetSpecialImportIRs(Context& context, SemIR::ImportIR import_ir) -> void;
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// Adds an ImportIR, returning the ID. May use an existing ID if already added.
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auto AddImportIR(Context& context, SemIR::ImportIR import_ir)
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-> SemIR::ImportIRId;
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// Adds an import_ref instruction for the specified instruction in the
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// specified IR. The import_ref is initially marked as unused.
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auto AddImportRef(Context& context, SemIR::ImportIRInst import_ir_inst,
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SemIR::EntityNameId entity_name_id) -> SemIR::InstId;
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// Returns the canonical IR inst for an entity. Returns an `ImportIRInst` with
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// a `None` ir_id for an entity that was not imported. This may add an
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// `ImportIR` if it finds an indirectly referenced `File` that hasn't previously
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// been found.
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auto GetCanonicalImportIRInst(Context& context, SemIR::InstId inst_id)
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-> SemIR::ImportIRInst;
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// Verifies a new instruction is the same as a previous instruction.
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// prev_import_ir_inst should come from GetCanonicalImportIRInst.
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auto VerifySameCanonicalImportIRInst(Context& context, SemIR::NameId name_id,
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SemIR::InstId prev_id,
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SemIR::ImportIRInst prev_import_ir_inst,
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SemIR::ImportIRId new_ir_id,
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const SemIR::File* new_import_ir,
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SemIR::InstId new_inst_id) -> void;
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// If the passed in instruction ID is an ImportRefUnloaded, turns it into an
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// ImportRefLoaded for use.
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auto LoadImportRef(Context& context, SemIR::InstId inst_id) -> void;
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// Load all impls declared in the api file corresponding to this impl file.
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auto ImportImplsFromApiFile(Context& context) -> void;
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// Load a specific impl declared in an imported IR.
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auto ImportImpl(Context& context, SemIR::ImportIRId import_ir_id,
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SemIR::ImplId impl_id) -> void;
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namespace Internal {
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// Checks that the provided imported location has a node kind that is
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// compatible with that of the given instruction.
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auto CheckCompatibleImportedNodeKind(Context& context,
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SemIR::ImportIRInstId imported_loc_id,
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SemIR::InstKind kind) -> void;
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} // namespace Internal
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// Returns a LocIdAndInst for an instruction with an imported location. Checks
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// that the imported location is compatible with the kind of instruction being
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// created.
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template <typename InstT>
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requires SemIR::Internal::HasNodeId<InstT>
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auto MakeImportedLocIdAndInst(Context& context,
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SemIR::ImportIRInstId imported_loc_id, InstT inst)
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-> SemIR::LocIdAndInst {
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if constexpr (!SemIR::Internal::HasUntypedNodeId<InstT>) {
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Internal::CheckCompatibleImportedNodeKind(context, imported_loc_id,
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InstT::Kind);
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}
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return SemIR::LocIdAndInst::UncheckedLoc(imported_loc_id, inst);
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}
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} // namespace Carbon::Check
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#endif // CARBON_TOOLCHAIN_CHECK_IMPORT_REF_H_
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