Obtain default type qualifiers from value parameters too

#KT-20016 In Progress

compiler/testData/foreignAnnotations/tests/jsr305/typeQualifierDefault/forceFlexibleOverOverrides.kt

@@ -89,8 +89,7 @@ fun main(a: A, b: B) {
     b.foobar(<!NULL_FOR_NONNULL_TYPE!>null<!>)
 
     a.foo(null)
-    // TODO: defaults on parameters do not work properly
-    a.bar(<!NULL_FOR_NONNULL_TYPE!>null<!>)
+    a.bar(null)
     a.baz(null)
     a.foobar(null)
 }

compiler/testData/foreignAnnotations/tests/jsr305/typeQualifierDefault/forceFlexibleOverOverrides.txt

@@ -4,7 +4,7 @@ public fun main(/*0*/ a: A, /*1*/ b: B): kotlin.Unit
 
 @spr.NonNullApi public open class A : B {
     public constructor A()
-    public open override /*1*/ fun bar(/*0*/ @spr.ForceFlexibility x: kotlin.String): kotlin.Unit
+    public open override /*1*/ fun bar(/*0*/ @spr.ForceFlexibility x: kotlin.String!): kotlin.Unit
     public open override /*1*/ fun baz(/*0*/ @spr.UnknownNullability x: kotlin.String!): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     @spr.ForceFlexibility public open override /*1*/ fun foo(/*0*/ x: kotlin.String!): kotlin.Unit

compiler/testData/foreignAnnotations/tests/jsr305/typeQualifierDefault/overridingDefaultQualifier.kt

@@ -66,7 +66,7 @@ public class A {
     }
 
     @NullableApi
-    public String foobar(String x, @Nonnull CharSequence y) {
+    public String foobar(String x, @NonNullApi CharSequence y) {
         return "";
     }
 
@@ -88,7 +88,7 @@ public class A {
         }
 
         @NonNullApi
-        public String foobar(String x, @Nullable CharSequence y) {
+        public String foobar(String x, @NullableApi CharSequence y) {
             return "";
         }
 

compiler/testData/foreignAnnotations/tests/jsr305/typeQualifierDefault/overridingDefaultQualifier.txt

@@ -9,7 +9,7 @@ public fun main(/*0*/ a: A, /*1*/ b: A.B, /*2*/ c: A.C): kotlin.Unit
     @javax.annotation.Nullable public open fun baz(): kotlin.collections.(Mutable)List<kotlin.String!>?
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open fun foo(/*0*/ x: kotlin.String, /*1*/ @javax.annotation.CheckForNull y: kotlin.CharSequence?): kotlin.String
-    @NullableApi public open fun foobar(/*0*/ x: kotlin.String?, /*1*/ @javax.annotation.Nonnull y: kotlin.CharSequence): kotlin.String?
+    @NullableApi public open fun foobar(/*0*/ x: kotlin.String?, /*1*/ @NonNullApi y: kotlin.CharSequence): kotlin.String?
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 
@@ -20,7 +20,7 @@ public fun main(/*0*/ a: A, /*1*/ b: A.B, /*2*/ c: A.C): kotlin.Unit
         @javax.annotation.Nullable public open fun baz(): kotlin.collections.(Mutable)List<kotlin.String!>?
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open fun foo(/*0*/ x: kotlin.String?, /*1*/ @javax.annotation.Nonnull y: kotlin.CharSequence): kotlin.String?
-        @NonNullApi public open fun foobar(/*0*/ x: kotlin.String, /*1*/ @javax.annotation.Nullable y: kotlin.CharSequence?): kotlin.String
+        @NonNullApi public open fun foobar(/*0*/ x: kotlin.String, /*1*/ @NullableApi y: kotlin.CharSequence?): kotlin.String
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/typeEnhancement/signatureEnhancement.kt

@@ -16,10 +16,7 @@
 
 package org.jetbrains.kotlin.load.java.typeEnhancement
 
-import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
-import org.jetbrains.kotlin.descriptors.ClassDescriptor
-import org.jetbrains.kotlin.descriptors.FunctionDescriptor
-import org.jetbrains.kotlin.descriptors.PropertyDescriptor
+import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.annotations.Annotated
 import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
 import org.jetbrains.kotlin.descriptors.annotations.Annotations
@@ -120,13 +117,11 @@ class SignatureEnhancement(private val annotationTypeQualifierResolver: Annotati
 
         val receiverTypeEnhancement =
                 if (extensionReceiverParameter != null)
-                    parts(
-                            typeContainer =
+                    partsForValueParameter(
+                            parameterDescriptor =
                                 annotationOwnerForMember.safeAs<FunctionDescriptor>()
                                     ?.getUserData(JavaMethodDescriptor.ORIGINAL_VALUE_PARAMETER_FOR_EXTENSION_RECEIVER),
-                            isCovariant = false,
-                            containerContext = memberContext,
-                            containerApplicabilityType = AnnotationTypeQualifierResolver.QualifierApplicabilityType.VALUE_PARAMETER
+                            methodContext = memberContext
                     ) { it.extensionReceiverParameter!!.type }.enhance()
                 else null
 
@@ -145,12 +140,8 @@ class SignatureEnhancement(private val annotationTypeQualifierResolver: Annotati
 
         val valueParameterEnhancements = annotationOwnerForMember.valueParameters.map {
             p ->
-            parts(
-                    typeContainer = p, isCovariant = false,
-                    containerContext = memberContext,
-                    containerApplicabilityType = AnnotationTypeQualifierResolver.QualifierApplicabilityType.VALUE_PARAMETER
-            ) { it.valueParameters[p.index].type }
-                    .enhance(predefinedEnhancementInfo?.parametersInfo?.getOrNull(p.index))
+                partsForValueParameter(p, memberContext) { it.valueParameters[p.index].type }
+                        .enhance(predefinedEnhancementInfo?.parametersInfo?.getOrNull(p.index))
         }
 
         val returnTypeEnhancement =
@@ -369,7 +360,19 @@ class SignatureEnhancement(private val annotationTypeQualifierResolver: Annotati
 
     private data class PartEnhancementResult(val type: KotlinType, val wereChanges: Boolean)
 
-    private fun <D : CallableMemberDescriptor> D.parts(
+    private fun CallableMemberDescriptor.partsForValueParameter(
+            // TODO: investigate if it's really can be a null (check properties' with extension overrides in Java)
+            parameterDescriptor: ValueParameterDescriptor?,
+            methodContext: LazyJavaResolverContext,
+            collector: (CallableMemberDescriptor) -> KotlinType
+    ) = parts(
+            parameterDescriptor, false,
+            parameterDescriptor?.let { methodContext.copyWithNewDefaultTypeQualifiers(it.annotations) } ?: methodContext,
+            AnnotationTypeQualifierResolver.QualifierApplicabilityType.VALUE_PARAMETER,
+            collector
+    )
+
+    private fun CallableMemberDescriptor.parts(
             typeContainer: Annotated?,
             isCovariant: Boolean,
             containerContext: LazyJavaResolverContext,