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74 lines
3.3 KiB
C++
74 lines
3.3 KiB
C++
//===--- ProtocolConformance.cpp - AST Protocol Conformance -----*- 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 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://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 implements the protocol conformance data structures.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/AST/ASTContext.h"
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#include "swift/AST/ProtocolConformance.h"
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using namespace swift;
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void *ProtocolConformance::operator new(size_t bytes, ASTContext &context,
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unsigned alignment) {
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return context.Allocate(bytes, alignment);
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}
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#define CONFORMANCE_SUBCLASS_DISPATCH(Method, Args) \
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switch (getKind()) { \
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case ProtocolConformanceKind::Normal: \
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static_assert(&ProtocolConformance::Method != \
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&NormalProtocolConformance::Method, \
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"Must override NormalProtocolConformance::" #Method); \
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return cast<NormalProtocolConformance>(this)->Method Args; \
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case ProtocolConformanceKind::Specialized: \
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static_assert(&ProtocolConformance::Method != \
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&InheritedProtocolConformance::Method, \
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"Must override InheritedProtocolConformance::" #Method); \
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return cast<SpecializedProtocolConformance>(this)->Method Args; \
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case ProtocolConformanceKind::Inherited: \
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static_assert(&ProtocolConformance::Method != \
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&InheritedProtocolConformance::Method, \
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"Must override InheritedProtocolConformance::" #Method); \
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return cast<InheritedProtocolConformance>(this)->Method Args; \
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}
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/// Get the protocol being conformed to.
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ProtocolDecl *ProtocolConformance::getProtocol() const {
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CONFORMANCE_SUBCLASS_DISPATCH(getProtocol, ())
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}
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/// Get the module that contains the conforming extension or type declaration.
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Module *ProtocolConformance::getContainingModule() const {
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CONFORMANCE_SUBCLASS_DISPATCH(getContainingModule, ())
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}
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/// Retrieve the complete set of type witnesses.
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const TypeWitnessMap &ProtocolConformance::getTypeWitnesses() const {
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CONFORMANCE_SUBCLASS_DISPATCH(getTypeWitnesses, ())
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}
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const WitnessMap &ProtocolConformance::getWitnesses() const {
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CONFORMANCE_SUBCLASS_DISPATCH(getWitnesses, ())
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}
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const InheritedConformanceMap &
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ProtocolConformance::getInheritedConformances() const {
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CONFORMANCE_SUBCLASS_DISPATCH(getInheritedConformances, ())
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}
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/// Determine whether the witness for the given requirement
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/// is either the default definition or was otherwise deduced.
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bool ProtocolConformance::usesDefaultDefinition(ValueDecl *requirement) const {
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CONFORMANCE_SUBCLASS_DISPATCH(usesDefaultDefinition, (requirement))
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}
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