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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>
39 lines
1.5 KiB
C++
39 lines
1.5 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/decl_state.h"
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#include "toolchain/check/modifiers.h"
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#include "toolchain/sem_ir/ids.h"
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#include "toolchain/sem_ir/inst.h"
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namespace Carbon::Check {
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auto HandleNamespaceStart(Context& context,
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Parse::NamespaceStartId /*parse_node*/) -> bool {
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// Optional modifiers and the name follow.
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context.decl_state_stack().Push(DeclState::Namespace);
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context.decl_name_stack().PushScopeAndStartName();
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return true;
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}
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auto HandleNamespace(Context& context, Parse::NamespaceId parse_node) -> bool {
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auto name_context = context.decl_name_stack().FinishName();
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LimitModifiersOnDecl(context, KeywordModifierSet::None,
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Lex::TokenKind::Namespace);
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auto namespace_inst = SemIR::Namespace{
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parse_node, context.GetBuiltinType(SemIR::BuiltinKind::NamespaceType),
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SemIR::NameScopeId::Invalid};
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auto namespace_id = context.AddInst(namespace_inst);
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namespace_inst.name_scope_id = context.name_scopes().Add(namespace_id);
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context.insts().Set(namespace_id, namespace_inst);
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context.decl_name_stack().AddNameToLookup(name_context, namespace_id);
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context.decl_name_stack().PopScope();
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context.decl_state_stack().Pop(DeclState::Namespace);
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return true;
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}
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} // namespace Carbon::Check
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