FIR synthetics: make setter subtype check more precise #KT-43347 Fixed

2020-12-24 16:02:38 +03:00
parent 8c8f81330a
commit 0d40fde713
8 changed files with 95 additions and 22 deletions
@@ -0,0 +1,3 @@
+fun foo(descriptor: PropertyDescriptorImpl) {
+  descriptor.setOverriddenDescriptors(overriddenDescriptors = emptyList<PropertyDescriptor?>())
+}
@@ -0,0 +1,8 @@
+FILE fqName:<root> fileName:/SyntheticSetterType.kt
+  FUN name:foo visibility:public modality:FINAL <> (descriptor:<root>.PropertyDescriptorImpl) returnType:kotlin.Unit
+    VALUE_PARAMETER name:descriptor index:0 type:<root>.PropertyDescriptorImpl
+    BLOCK_BODY
+      CALL 'public open fun setOverriddenDescriptors (overriddenDescriptors: @[EnhancedNullability] kotlin.collections.Collection<out <root>.CallableMemberDescriptor?>): kotlin.Unit declared in <root>.PropertyDescriptorImpl' type=kotlin.Unit origin=EQ
+        $this: GET_VAR 'descriptor: <root>.PropertyDescriptorImpl declared in <root>.foo' type=<root>.PropertyDescriptorImpl origin=null
+        overriddenDescriptors: CALL 'public final fun emptyList <T> (): kotlin.collections.List<T of kotlin.collections.emptyList> declared in kotlin.collections' type=kotlin.collections.List<<root>.PropertyDescriptor?> origin=null
+          <T>: <root>.PropertyDescriptor?
@@ -0,0 +1,47 @@
+// WITH_RUNTIME
+// FILE: PropertyDescriptorImpl.java
+
+import org.jetbrains.annotations.NotNull;
+import java.util.*;
+
+public class PropertyDescriptorImpl implements PropertyDescriptor {
+    @Override
+    public void setOverriddenDescriptors(@NotNull Collection<? extends CallableMemberDescriptor> overriddenDescriptors) {
+        this.overriddenProperties = (Collection<? extends PropertyDescriptor>) overriddenDescriptors;
+    }
+
+    @NotNull
+    @Override
+    public Collection<? extends PropertyDescriptor> getOverriddenDescriptors() {
+        return overriddenProperties != null ? overriddenProperties : Collections.<PropertyDescriptor>emptyList();
+    }
+}
+
+// FILE: PropertyDescriptor.java
+
+import org.jetbrains.annotations.NotNull;
+import java.util.*;
+
+public interface PropertyDescriptor extends CallableMemberDescriptor {
+    @NotNull
+    @Override
+    Collection<? extends PropertyDescriptor> getOverriddenDescriptors();
+}
+
+// FILE: CallableMemberDescriptor.java
+
+import org.jetbrains.annotations.NotNull;
+import java.util.*;
+
+public interface CallableMemberDescriptor {
+    @NotNull
+    Collection<? extends CallableMemberDescriptor> getOverriddenDescriptors();
+
+    void setOverriddenDescriptors(@NotNull Collection<? extends CallableMemberDescriptor> overriddenDescriptors);
+}
+
+// FILE: SyntheticSetterType.kt
+
+fun foo(descriptor: PropertyDescriptorImpl) {
+    descriptor.overriddenDescriptors = emptyList()
+}
@@ -0,0 +1,3 @@
+fun foo(descriptor: PropertyDescriptorImpl) {
+  descriptor.setOverriddenDescriptors(overriddenDescriptors = emptyList<@FlexibleNullability PropertyDescriptor?>())
+}
@@ -0,0 +1,8 @@
+FILE fqName:<root> fileName:/SyntheticSetterType.kt
+  FUN name:foo visibility:public modality:FINAL <> (descriptor:<root>.PropertyDescriptorImpl) returnType:kotlin.Unit
+    VALUE_PARAMETER name:descriptor index:0 type:<root>.PropertyDescriptorImpl
+    BLOCK_BODY
+      CALL 'public open fun setOverriddenDescriptors (overriddenDescriptors: @[EnhancedNullability] kotlin.collections.MutableCollection<out @[FlexibleNullability] <root>.CallableMemberDescriptor?>): kotlin.Unit declared in <root>.PropertyDescriptorImpl' type=kotlin.Unit origin=EQ
+        $this: GET_VAR 'descriptor: <root>.PropertyDescriptorImpl declared in <root>.foo' type=<root>.PropertyDescriptorImpl origin=null
+        overriddenDescriptors: CALL 'public final fun emptyList <T> (): kotlin.collections.List<T of kotlin.collections.emptyList> declared in kotlin.collections' type=kotlin.collections.List<@[FlexibleNullability] <root>.PropertyDescriptor?> origin=null
+          <T>: @[FlexibleNullability] <root>.PropertyDescriptor?