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josh11bandChandler Carruth
48c986f52d
Goal is to increase type safety, though more work needs to be done (see added TODOs). Note that, after this change, check handlers corresponding to deleted parse node kinds will no longer compile. --------- Co-authored-by: Chandler Carruth <chandlerc@gmail.com>
31 lines
1.1 KiB
C++
31 lines
1.1 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/context.h"
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#include "toolchain/check/convert.h"
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#include "toolchain/sem_ir/inst.h"
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namespace Carbon::Check {
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// TODO: Find a better home for this. We'll likely need it for more than just
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// expression statements.
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static auto HandleDiscardedExpr(Context& context, SemIR::InstId expr_id)
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-> void {
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// If we discard an initializing expression, convert it to a value or
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// reference so that it has something to initialize.
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auto expr = context.insts().Get(expr_id);
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Convert(context, expr.parse_node(), expr_id,
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{.kind = ConversionTarget::Discarded, .type_id = expr.type_id()});
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// TODO: This will eventually need to do some "do not discard" analysis.
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}
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auto HandleExprStatement(Context& context,
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Parse::ExprStatementId /*parse_node*/) -> bool {
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HandleDiscardedExpr(context, context.node_stack().PopExpr());
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return true;
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}
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} // namespace Carbon::Check
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