mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-11-15 21:08:10 +00:00
Richard Smith
4e64b1948d
This is mostly scaffolding, but is just about enough for pointers to classes to work properly as types.
58 lines
2.0 KiB
C++
58 lines
2.0 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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namespace Carbon::Check {
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auto HandleClassIntroducer(Context& context, Parse::Node parse_node) -> bool {
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// Create a node block to hold the nodes created as part of the class
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// signature, such as generic parameters.
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context.node_block_stack().Push();
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// Push the bracketing node.
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context.node_stack().Push(parse_node);
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// A name should always follow.
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context.declaration_name_stack().Push();
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return true;
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}
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static auto BuildClassDeclaration(Context& context) -> void {
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auto name_context = context.declaration_name_stack().Pop();
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auto class_keyword =
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context.node_stack()
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.PopForSoloParseNode<Parse::NodeKind::ClassIntroducer>();
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// TODO: Track this somewhere.
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context.node_block_stack().Pop();
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auto class_id = context.semantics_ir().AddClass(
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{.name_id = name_context.state ==
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DeclarationNameStack::NameContext::State::Unresolved
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? name_context.unresolved_name_id
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: SemIR::StringId(SemIR::StringId::InvalidIndex)});
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auto class_decl_id = context.AddNode(SemIR::ClassDeclaration(
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class_keyword, SemIR::TypeId::TypeType, class_id));
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context.declaration_name_stack().AddNameToLookup(name_context, class_decl_id);
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}
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auto HandleClassDeclaration(Context& context, Parse::Node /*parse_node*/)
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-> bool {
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BuildClassDeclaration(context);
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return true;
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}
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auto HandleClassDefinitionStart(Context& context, Parse::Node parse_node)
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-> bool {
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BuildClassDeclaration(context);
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// TODO: Introduce `Self`.
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return context.TODO(parse_node, "HandleClassDefinitionStart");
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}
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auto HandleClassDefinition(Context& context, Parse::Node parse_node) -> bool {
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return context.TODO(parse_node, "HandleClassDefinition");
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}
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} // namespace Carbon::Check
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