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Jon Ross-PerkinsandChandler Carruth
d437e4bffe
Based on discussion around the region handling in generic_region_stack, create a generic structure for the stack-of-vectors support. I also want to add this to InstBlockStack, but that's a little more complex due to GlobalInit, so cutting a PR here to check with review. My work here is how I noticed #4099; I want to be sure that I'm correct about the issue, but it's the difference between being able to use PeekArray or not. Note in scope_stack.h, I believe we could remove next_compile_time_index and make it just based on elements_size(). However, I want to verify with you before I make further changes there. --------- Co-authored-by: Chandler Carruth <chandlerc@gmail.com>
22 lines
709 B
C++
22 lines
709 B
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/generic_region_stack.h"
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namespace Carbon::Check {
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auto GenericRegionStack::Push() -> void { dependent_insts_stack_.PushArray(); }
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auto GenericRegionStack::Pop() -> void { dependent_insts_stack_.PopArray(); }
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auto GenericRegionStack::AddDependentInst(DependentInst inst) -> void {
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dependent_insts_stack_.AppendToTop(inst);
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}
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auto GenericRegionStack::PeekDependentInsts() -> llvm::ArrayRef<DependentInst> {
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return dependent_insts_stack_.PeekArray();
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}
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} // namespace Carbon::Check
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