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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
1c748c0f14
Continuing along with #3070. Note this is just a file rename, with BUILD edits; every file previously in semantics/ should show as moved (except maybe BUILDs, which split).
50 lines
1.5 KiB
C++
50 lines
1.5 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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#include "toolchain/check/node_block_stack.h"
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#include "common/vlog.h"
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#include "llvm/ADT/STLExtras.h"
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#include "toolchain/sem_ir/node.h"
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namespace Carbon::Check {
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auto NodeBlockStack::Push(SemIR::NodeBlockId id) -> void {
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CARBON_VLOG() << name_ << " Push " << stack_.size() << "\n";
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CARBON_CHECK(stack_.size() < (1 << 20))
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<< "Excessive stack size: likely infinite loop";
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stack_.push_back(id);
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}
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auto NodeBlockStack::PeekForAdd() -> SemIR::NodeBlockId {
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CARBON_CHECK(!stack_.empty()) << "no current block";
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auto& back = stack_.back();
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if (!back.is_valid()) {
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back = semantics_ir_->AddNodeBlock();
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CARBON_VLOG() << name_ << " Add " << stack_.size() - 1 << ": " << back
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<< "\n";
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}
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return back;
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}
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auto NodeBlockStack::Pop() -> SemIR::NodeBlockId {
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CARBON_CHECK(!stack_.empty()) << "no current block";
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auto back = stack_.pop_back_val();
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CARBON_VLOG() << name_ << " Pop " << stack_.size() << ": " << back << "\n";
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if (!back.is_valid()) {
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return SemIR::NodeBlockId::Empty;
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}
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return back;
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}
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auto NodeBlockStack::PrintForStackDump(llvm::raw_ostream& output) const
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-> void {
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output << name_ << ":\n";
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for (auto [i, entry] : llvm::enumerate(stack_)) {
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output << "\t" << i << ".\t" << entry << "\n";
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}
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}
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} // namespace Carbon::Check
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