Files
carbon-lang/toolchain/check/handle_expr_statement.cpp
T

31 lines
1.1 KiB
C++

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "toolchain/check/context.h"
#include "toolchain/check/convert.h"
#include "toolchain/sem_ir/inst.h"
namespace Carbon::Check {
// TODO: Find a better home for this. We'll likely need it for more than just
// expression statements.
static auto HandleDiscardedExpr(Context& context, SemIR::InstId expr_id)
-> void {
// If we discard an initializing expression, convert it to a value or
// reference so that it has something to initialize.
auto expr = context.insts().Get(expr_id);
Convert(context, context.insts().GetLocId(expr_id), expr_id,
{.kind = ConversionTarget::Discarded, .type_id = expr.type_id()});
// TODO: This will eventually need to do some "do not discard" analysis.
}
auto HandleExprStatement(Context& context, Parse::ExprStatementId /*node_id*/)
-> bool {
HandleDiscardedExpr(context, context.node_stack().PopExpr());
return true;
}
} // namespace Carbon::Check