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Geoff RomerandRichard Smith
43ffd721a4
The issue of whether/how to include `ref` tags in the textual and in-memory SemIR (see discussion [here](https://discord.com/channels/655572317891461132/655578254970716160/1431316355742961805)) is left as future work. --------- Co-authored-by: Richard Smith <richard@metafoo.co.uk>
51 lines
1.8 KiB
C++
51 lines
1.8 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/call.h"
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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/inst.h"
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#include "toolchain/sem_ir/expr_info.h"
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#include "toolchain/sem_ir/inst.h"
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namespace Carbon::Check {
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auto HandleParseNode(Context& context, Parse::CallExprStartId node_id) -> bool {
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auto name_id = context.node_stack().PopExpr();
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context.node_stack().Push(node_id, name_id);
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context.param_and_arg_refs_stack().Push();
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return true;
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}
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auto HandleParseNode(Context& context, Parse::CallExprId node_id) -> bool {
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// Process the final explicit call argument now, but leave the arguments
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// block on the stack until the end of this function.
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context.param_and_arg_refs_stack().EndNoPop(Parse::NodeKind::CallExprStart);
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auto callee_id = context.node_stack().Pop<Parse::NodeKind::CallExprStart>();
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auto call_id = PerformCall(
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context, node_id, callee_id,
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context.param_and_arg_refs_stack().PeekCurrentBlockContents());
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context.param_and_arg_refs_stack().PopAndDiscard();
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context.node_stack().Push(node_id, call_id);
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return true;
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}
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auto HandleParseNode(Context& context, Parse::RefTagId node_id) -> bool {
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auto expr_id = context.node_stack().Peek<Parse::NodeCategory::Expr>();
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if (SemIR::GetExprCategory(context.sem_ir(), expr_id) !=
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SemIR::ExprCategory::DurableRef) {
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CARBON_DIAGNOSTIC(
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RefTagNotDurableRef, Error,
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"expression tagged with `ref` is not a durable reference");
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context.emitter().Emit(node_id, RefTagNotDurableRef);
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}
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context.ref_tags().Insert(expr_id, Context::RefTag::Present);
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return true;
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}
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} // namespace Carbon::Check
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