mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-03 09:15:49 +01:00
Jon Ross-Perkins
d1862e829b
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).
78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#include "toolchain/check/context.h"
|
|
#include "toolchain/check/decl_introducer_state.h"
|
|
#include "toolchain/check/handle.h"
|
|
#include "toolchain/check/modifiers.h"
|
|
|
|
namespace Carbon::Check {
|
|
|
|
// `import` and `package` are structured by parsing. As a consequence, no
|
|
// checking logic is needed here.
|
|
|
|
auto HandleImportIntroducer(Context& context,
|
|
Parse::ImportIntroducerId /*node_id*/) -> bool {
|
|
context.decl_introducer_state_stack().Push<Lex::TokenKind::Import>();
|
|
return true;
|
|
}
|
|
|
|
auto HandleImportDecl(Context& context, Parse::ImportDeclId /*node_id*/)
|
|
-> bool {
|
|
auto introducer =
|
|
context.decl_introducer_state_stack().Pop<Lex::TokenKind::Import>();
|
|
LimitModifiersOnDecl(context, introducer, KeywordModifierSet::Export);
|
|
return true;
|
|
}
|
|
|
|
auto HandleLibraryIntroducer(Context& context,
|
|
Parse::LibraryIntroducerId /*node_id*/) -> bool {
|
|
context.decl_introducer_state_stack().Push<Lex::TokenKind::Library>();
|
|
return true;
|
|
}
|
|
|
|
auto HandleLibraryDecl(Context& context, Parse::LibraryDeclId /*node_id*/)
|
|
-> bool {
|
|
auto introducer =
|
|
context.decl_introducer_state_stack().Pop<Lex::TokenKind::Library>();
|
|
LimitModifiersOnDecl(context, introducer, KeywordModifierSet::Impl);
|
|
return true;
|
|
}
|
|
|
|
auto HandlePackageIntroducer(Context& context,
|
|
Parse::PackageIntroducerId /*node_id*/) -> bool {
|
|
context.decl_introducer_state_stack().Push<Lex::TokenKind::Package>();
|
|
return true;
|
|
}
|
|
|
|
auto HandlePackageDecl(Context& context, Parse::PackageDeclId /*node_id*/)
|
|
-> bool {
|
|
auto introducer =
|
|
context.decl_introducer_state_stack().Pop<Lex::TokenKind::Package>();
|
|
LimitModifiersOnDecl(context, introducer, KeywordModifierSet::Impl);
|
|
return true;
|
|
}
|
|
|
|
auto HandleLibrarySpecifier(Context& /*context*/,
|
|
Parse::LibrarySpecifierId /*node_id*/) -> bool {
|
|
return true;
|
|
}
|
|
|
|
auto HandlePackageName(Context& /*context*/, Parse::PackageNameId /*node_id*/)
|
|
-> bool {
|
|
return true;
|
|
}
|
|
|
|
auto HandleLibraryName(Context& /*context*/, Parse::LibraryNameId /*node_id*/)
|
|
-> bool {
|
|
return true;
|
|
}
|
|
|
|
auto HandleDefaultLibrary(Context& /*context*/,
|
|
Parse::DefaultLibraryId /*node_id*/) -> bool {
|
|
return true;
|
|
}
|
|
|
|
} // namespace Carbon::Check
|