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f0f74e6c5e
When performing name lookup for freestanding macros (e.g., after the `#`), don't allow types to shadow macros from imported libraries. Fixes rdar://110429368.
100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
//===--- LookupKinds.h - Swift name-lookup enums ----------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines enums relating to name lookup.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_LOOKUPKINDS_H
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#define SWIFT_LOOKUPKINDS_H
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namespace swift {
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/// NLKind - This is a specifier for the kind of name lookup being performed
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/// by various query methods.
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enum class NLKind {
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UnqualifiedLookup,
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QualifiedLookup
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};
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void simple_display(llvm::raw_ostream &out, NLKind kind);
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/// Constants used to customize name lookup.
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enum NLOptions : unsigned {
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/// Consider declarations within protocols to which the context type conforms.
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NL_ProtocolMembers = 1 << 0,
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/// Remove non-visible declarations from the set of results.
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NL_RemoveNonVisible = 1 << 1,
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/// Remove overridden declarations from the set of results.
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NL_RemoveOverridden = 1 << 2,
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/// Don't check access when doing lookup into a type.
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///
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/// This option is not valid when performing lookup into a module.
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NL_IgnoreAccessControl = 1 << 3,
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/// This lookup should only return type declarations.
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NL_OnlyTypes = 1 << 4,
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/// Include synonyms declared with @_implements()
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NL_IncludeAttributeImplements = 1 << 5,
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// Include @usableFromInline and @inlinable
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NL_IncludeUsableFromInline = 1 << 6,
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/// Exclude names introduced by macro expansions in the top-level module.
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NL_ExcludeMacroExpansions = 1 << 7,
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/// This lookup should only return macro declarations.
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NL_OnlyMacros = 1 << 8,
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/// The default set of options used for qualified name lookup.
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///
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/// FIXME: Eventually, add NL_ProtocolMembers to this, once all of the
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/// callers can handle it.
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NL_QualifiedDefault = NL_RemoveNonVisible | NL_RemoveOverridden,
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/// The default set of options used for unqualified name lookup.
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NL_UnqualifiedDefault = NL_RemoveNonVisible | NL_RemoveOverridden
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};
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static inline NLOptions operator|(NLOptions lhs, NLOptions rhs) {
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return NLOptions(unsigned(lhs) | unsigned(rhs));
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}
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static inline NLOptions &operator|=(NLOptions &lhs, NLOptions rhs) {
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return (lhs = lhs | rhs);
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}
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static inline NLOptions operator&(NLOptions lhs, NLOptions rhs) {
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return NLOptions(unsigned(lhs) & unsigned(rhs));
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}
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static inline NLOptions &operator&=(NLOptions &lhs, NLOptions rhs) {
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return (lhs = lhs & rhs);
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}
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static inline NLOptions operator~(NLOptions value) {
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return NLOptions(~(unsigned)value);
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}
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void simple_display(llvm::raw_ostream &out, NLOptions options);
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/// Flags affecting module-level lookup.
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enum class ModuleLookupFlags : unsigned {
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/// Exclude names introduced by macro expansions in the top-level module.
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ExcludeMacroExpansions = 1 << 0,
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};
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} // end namespace swift
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#endif
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