Swift AST: add Conformance.getAssociatedConformance

Author: eeckstein

SwiftCompilerSources/Sources/AST/Conformance.swift

@@ -61,6 +61,11 @@ public struct Conformance: CustomStringConvertible, NoReflectionChildren {
     assert(isSpecialized)
     return SubstitutionMap(bridged: bridged.getSpecializedSubstitutions())
   }
+
+  public func getAssociatedConformance(ofAssociatedType assocType: Type, to proto: ProtocolDecl) -> Conformance {
+    assert(isConcrete)
+    return bridged.getAssociatedConformance(assocType.bridged, proto.bridged).conformance
+  }
 }
 
 public struct ConformanceArray : RandomAccessCollection, CustomReflectable {

include/swift/AST/ASTBridging.h

@@ -3066,6 +3066,8 @@ struct BridgedConformance {
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedConformance getGenericConformance() const;
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedConformance getInheritedConformance() const;
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedSubstitutionMap getSpecializedSubstitutions() const;
+  SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedConformance getAssociatedConformance(BridgedASTType assocType,
+                                                                                 BridgedDeclObj proto) const;
 };
 
 struct BridgedConformanceArray {

include/swift/AST/ASTBridgingImpl.h

@@ -553,6 +553,11 @@ BridgedSubstitutionMap BridgedConformance::getSpecializedSubstitutions() const {
   return {specPC->getSubstitutionMap()};
 }
 
+BridgedConformance BridgedConformance::getAssociatedConformance(BridgedASTType assocType, BridgedDeclObj proto) const {
+  return {unbridged().getConcrete()->getAssociatedConformance(assocType.unbridged(),
+                                                              proto.getAs<swift::ProtocolDecl>())};
+}
+
 BridgedConformance BridgedConformanceArray::getAt(SwiftInt index) const {
   return pcArray.unbridged<swift::ProtocolConformanceRef>()[index];
 }