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fdb188ccfd
Implementation of unused pattern bindings #2022, continued. Whereas previous PR #6460 took care of parsing, and PR #6479 prepared the stage by using _ in some test cases, this PR has the the actual implementation, using a simple dataflow analysis. --------- Co-authored-by: Burak Emir <bqe@google.com> Co-authored-by: jonmeow <jperkins@google.com>
26 lines
788 B
C++
26 lines
788 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/context.h"
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#include "toolchain/check/handle.h"
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#include "toolchain/check/unused.h"
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namespace Carbon::Check {
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auto HandleParseNode(Context& context, Parse::CodeBlockStartId node_id)
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-> bool {
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context.node_stack().Push(node_id);
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context.scope_stack().PushForSameRegion();
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return true;
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}
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auto HandleParseNode(Context& context, Parse::CodeBlockId /*node_id*/) -> bool {
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context.scope_stack().Pop(/*check_unused=*/true);
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context.node_stack()
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.PopAndDiscardSoloNodeId<Parse::NodeKind::CodeBlockStart>();
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return true;
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}
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} // namespace Carbon::Check
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