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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).
58 lines
1.9 KiB
C++
58 lines
1.9 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/sem_ir/node.h"
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namespace Carbon::Check {
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auto HandleVariableDeclaration(Context& context, Parse::Node parse_node)
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-> bool {
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// Handle the optional initializer.
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auto init_id = SemIR::NodeId::Invalid;
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bool has_init =
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context.parse_tree().node_kind(context.node_stack().PeekParseNode()) !=
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Parse::NodeKind::PatternBinding;
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if (has_init) {
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init_id = context.node_stack().PopExpression();
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context.node_stack()
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.PopAndDiscardSoloParseNode<Parse::NodeKind::VariableInitializer>();
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}
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// Get the storage and add it to name lookup.
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SemIR::NodeId var_id =
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context.node_stack().Pop<Parse::NodeKind::PatternBinding>();
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auto var = context.semantics_ir().GetNode(var_id);
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auto name_id = var.GetAsVarStorage();
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context.AddNameToLookup(var.parse_node(), name_id, var_id);
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// If there was an initializer, assign it to storage.
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if (has_init) {
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init_id = context.Initialize(parse_node, var_id, init_id);
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// TODO: Consider using different node kinds for assignment versus
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// initialization.
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context.AddNode(SemIR::Node::Assign::Make(parse_node, var_id, init_id));
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}
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context.node_stack()
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.PopAndDiscardSoloParseNode<Parse::NodeKind::VariableIntroducer>();
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return true;
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}
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auto HandleVariableIntroducer(Context& context, Parse::Node parse_node)
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-> bool {
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// No action, just a bracketing node.
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context.node_stack().Push(parse_node);
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return true;
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}
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auto HandleVariableInitializer(Context& context, Parse::Node parse_node)
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-> bool {
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// No action, just a bracketing node.
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context.node_stack().Push(parse_node);
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return true;
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}
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} // namespace Carbon::Check
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