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Add a macro for introducer tokens. (#4031)

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Playing with the macro suggestion on #4028, replace DeclKind with some
templating that asserts the in-use token is an introducer token. This
allows type-safe usage of Lex::TokenKind, reducing the benefit of a
separate enum while improving stdout (since now this will ostream as the
keyword name).
This commit is contained in:
Jon Ross-Perkins
2024-06-05 21:04:53 +00:00
committed by GitHub
parent 7792e5fce3
commit d1862e829b
16 changed files with 92 additions and 113 deletions
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toolchain/check/handle_alias.cpp
+2 -2
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@@ -14,7 +14,7 @@ namespace Carbon::Check {
auto HandleAliasIntroducer(Context& context,
Parse::AliasIntroducerId /*node_id*/) -> bool {
context.decl_introducer_state_stack().Push(DeclIntroducerState::Alias);
context.decl_introducer_state_stack().Push<Lex::TokenKind::Alias>();
context.decl_name_stack().PushScopeAndStartName();
return true;
}
@@ -31,7 +31,7 @@ auto HandleAlias(Context& context, Parse::AliasId /*node_id*/) -> bool {
PopNameComponentWithoutParams(context, Lex::TokenKind::Alias));
auto introducer =
context.decl_introducer_state_stack().Pop(DeclIntroducerState::Alias);
context.decl_introducer_state_stack().Pop<Lex::TokenKind::Alias>();
LimitModifiersOnDecl(context, introducer, KeywordModifierSet::Access);
if (introducer.modifier_set.HasAnyOf(KeywordModifierSet::Access)) {
context.TODO(introducer.modifier_node_id(ModifierOrder::Access),