Add basic support for default codeanalysis annotations

2019-08-06 17:59:42 +03:00
parent 517cc84f4d
commit 82d39dd86a
7 changed files with 153 additions and 1 deletions
@@ -0,0 +1,45 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_PARAMETER
+// FILE: A.java
+
+import jspecify.annotations.*;
+
+@DefaultNotNull
+public class A {
+    public String defaultField = "";
+    @Nullable public String field = null;
+
+    public String everythingNotNullable(String x) { return ""; }
+
+    @DefaultNullable
+    public String everythingNullable(String x) { return ""; }
+
+    @DefaultNullnessUnknown
+    public String everythingUnknown(String x) { return ""; }
+
+    @DefaultNullable
+    public String mixed(@NotNull String x) { return ""; }
+}
+
+// FILE: main.kt
+
+fun main(a: A) {
+    a.everythingNotNullable(<!NULL_FOR_NONNULL_TYPE!>null<!>)<!UNNECESSARY_SAFE_CALL!>?.<!>length
+    a.everythingNotNullable(<!NULL_FOR_NONNULL_TYPE!>null<!>).length
+    a.everythingNotNullable("").length
+
+    a.everythingNullable(null)<!UNSAFE_CALL!>.<!>length
+    a.everythingNullable(null)?.length
+
+    a.everythingUnknown(null).length
+    a.everythingUnknown(null)?.length
+
+    a.mixed(<!NULL_FOR_NONNULL_TYPE!>null<!>)<!UNSAFE_CALL!>.<!>length
+    a.mixed(<!NULL_FOR_NONNULL_TYPE!>null<!>)?.length
+    a.mixed("")?.length
+
+    a.defaultField<!UNNECESSARY_SAFE_CALL!>?.<!>length
+    a.defaultField.length
+
+    a.field?.length
+    a.field<!UNSAFE_CALL!>.<!>length
+}