Support foreign nullability annotations

#KT-10418 Fixed #KT-10594 Fixed
2016-01-11 22:04:31 +03:00
parent fd8a718797
commit f4613b8db1
41 changed files with 1236 additions and 8 deletions
@@ -0,0 +1,33 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_PARAMETER
+// FILE: A.java
+
+import edu.umd.cs.findbugs.annotations.*;
+
+public class A {
+    @Nullable public String field = null;
+
+    @PossiblyNull
+    public String foo(@NonNull String x, @UnknownNullness CharSequence y) {
+        return "";
+    }
+
+    @NonNull
+    public String bar() {
+        return "";
+    }
+}
+
+// FILE: main.kt
+
+fun main(a: A) {
+    a.foo("", null)?.length
+    a.foo("", null)<!UNSAFE_CALL!>.<!>length
+    a.foo(<!NULL_FOR_NONNULL_TYPE!>null<!>, "")<!UNSAFE_CALL!>.<!>length
+    a.foo(<!NULL_FOR_NONNULL_TYPE!>null<!>, null)<!UNSAFE_CALL!>.<!>length
+
+    a.bar().length
+    a.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
+
+    a.field?.length
+    a.field<!UNSAFE_CALL!>.<!>length
+}