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AST: TypeChecker::conformsToProtocol() => ModuleDecl::checkConformance()

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This commit is contained in:
Slava Pestov
2024-01-16 15:18:44 -05:00
parent 1e950b1725
commit 14d1fcb51a
35 changed files with 151 additions and 193 deletions
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33
include/swift/AST/Module.h
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@@ -823,10 +823,7 @@ public:
DeclName name,
SmallVectorImpl<ValueDecl*> &results) const;
/// Look for the conformance of the given type to the given protocol.
///
/// This routine determines whether the given \c type conforms to the given
/// \c protocol.
/// Global conformance lookup, does not check conditional requirements.
///
/// \param type The type for which we are computing conformance.
///
@@ -836,23 +833,33 @@ public:
/// might include "missing" conformances, which are synthesized for some
/// protocols as an error recovery mechanism.
///
/// \returns The result of the conformance search, which will be
/// None if the type does not conform to the protocol or contain a
/// ProtocolConformanceRef if it does conform.
/// \returns An invalid conformance if the search failed, otherwise an
/// abstract, concrete or pack conformance, depending on the lookup type.
ProtocolConformanceRef lookupConformance(Type type, ProtocolDecl *protocol,
bool allowMissing = false);
/// Global conformance lookup, checks conditional requirements.
///
/// \param type The type for which we are computing conformance. Must not
/// contain type parameters.
///
/// \param protocol The protocol to which we are computing conformance.
///
/// \param allowMissing When \c true, the resulting conformance reference
/// might include "missing" conformances, which are synthesized for some
/// protocols as an error recovery mechanism.
///
/// \returns An invalid conformance if the search failed, otherwise an
/// abstract, concrete or pack conformance, depending on the lookup type.
ProtocolConformanceRef checkConformance(Type type, ProtocolDecl *protocol,
// Note: different default than above
bool allowMissing = true);
/// Look for the conformance of the given existential type to the given
/// protocol.
ProtocolConformanceRef lookupExistentialConformance(Type type,
ProtocolDecl *protocol);
/// Exposes TypeChecker functionality for querying protocol conformance.
/// Returns a valid ProtocolConformanceRef only if all conditional
/// requirements are successfully resolved.
ProtocolConformanceRef conformsToProtocol(Type sourceTy,
ProtocolDecl *targetProtocol);
/// Collect the conformances of \c fromType to each of the protocols of an
/// existential type's layout.
///