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70b6bbcb13
Replace it with the "legacy semantic queries" bit. The remaining client of this bit is SourceKit, which appears to require this bit be set conditionally so certain semantic property wrapper requests return a sentinel value. We should migrate these requests to a syntactic interface as soon as possible. rdar://60516325
113 lines
3.7 KiB
C++
113 lines
3.7 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 = 0x02,
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/// Remove non-visible declarations from the set of results.
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NL_RemoveNonVisible = 0x04,
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/// Remove overridden declarations from the set of results.
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NL_RemoveOverridden = 0x08,
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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 = 0x10,
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/// This lookup is known to be a non-cascading dependency, i.e. one that does
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/// not affect downstream files.
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///
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/// \see NL_KnownDependencyMask
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NL_KnownNonCascadingDependency = 0x20,
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/// This lookup is known to be a cascading dependency, i.e. one that can
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/// affect downstream files.
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///
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/// \see NL_KnownDependencyMask
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NL_KnownCascadingDependency = 0x40,
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/// This lookup should only return type declarations.
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NL_OnlyTypes = 0x80,
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/// Include synonyms declared with @_implements()
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NL_IncludeAttributeImplements = 0x100,
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/// This lookup is known to not add any additional dependencies to the
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/// primary source file.
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///
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/// \see NL_KnownDependencyMask
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NL_KnownNoDependency =
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NL_KnownNonCascadingDependency|NL_KnownCascadingDependency,
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/// A mask of all options controlling how a lookup should be recorded as a
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/// dependency.
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///
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/// This offers three possible options: NL_KnownNonCascadingDependency,
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/// NL_KnownCascadingDependency, NL_KnownNoDependency, as well as a default
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/// "unspecified" value (0). If the dependency kind is unspecified, the
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/// lookup function will attempt to infer whether it is a cascading or
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/// non-cascading dependency from the decl context.
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NL_KnownDependencyMask = NL_KnownNoDependency,
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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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} // end namespace swift
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#endif
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