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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
e0b2f5d772
Treat template bindings as introducing template phase, and propagate it in the same way we propagate the checked generic phase. Rename "symbolic" to "checked symbolic" to make room for "template symbolic". Also rename "phase" to "dependence".
40 lines
1.6 KiB
C++
40 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/sem_ir/constant.h"
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#include "toolchain/sem_ir/file.h"
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namespace Carbon::SemIR {
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auto ConstantStore::GetOrAdd(Inst inst, ConstantDependence dependence)
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-> ConstantId {
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auto result = map_.Insert(inst, [&] {
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auto inst_id = sem_ir_->insts().AddInNoBlock(LocIdAndInst::NoLoc(inst));
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ConstantId const_id = ConstantId::None;
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if (dependence == ConstantDependence::None) {
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const_id = SemIR::ConstantId::ForConcreteConstant(inst_id);
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} else {
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// The instruction in the constants store is an abstract symbolic
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// constant, not associated with any particular generic.
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SymbolicConstant symbolic_constant = {.inst_id = inst_id,
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.generic_id = GenericId::None,
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.index = GenericInstIndex::None,
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.dependence = dependence};
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const_id =
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sem_ir_->constant_values().AddSymbolicConstant(symbolic_constant);
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}
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sem_ir_->constant_values().Set(inst_id, const_id);
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constants_.push_back(inst_id);
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return const_id;
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});
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CARBON_CHECK(result.value() != ConstantId::None);
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CARBON_CHECK(
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result.value().is_symbolic() == (dependence != ConstantDependence::None),
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"Constant {0} registered as both symbolic and concrete constant.", inst);
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return result.value();
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}
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} // namespace Carbon::SemIR
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