Preliminary: support smart casts on variables in closures

No feature support yet So #KT-14486 In Progress
2017-08-10 17:58:48 +03:00
parent b2d931fb1f
commit a086863561
9 changed files with 144 additions and 10 deletions
@@ -0,0 +1,60 @@
+// !LANGUAGE: +CapturedInClosureSmartCasts
+
+fun run(f: () -> Unit) = f()
+
+fun foo(s: String?) {
+    var x: String? = null
+    if (s != null) {
+        x = s
+    }
+    if (x != null) {
+        run {
+            <!DEBUG_INFO_SMARTCAST!>x<!>.hashCode()
+        }
+    }
+}
+
+fun bar(s: String?) {
+    var x = s
+    if (x != null) {
+        run {
+            <!DEBUG_INFO_SMARTCAST!>x<!>.hashCode()
+        }
+    }
+}
+
+fun baz(s: String?) {
+    var x = s
+    if (x != null) {
+        run {
+            <!SMARTCAST_IMPOSSIBLE!>x<!>.hashCode()
+        }
+        run {
+            <!SMARTCAST_IMPOSSIBLE!>x<!>.hashCode()
+            x = null
+        }
+    }
+}
+
+fun gaz(s: String?) {
+    var x = s
+    if (x != null) {
+        run {
+            <!SMARTCAST_IMPOSSIBLE!>x<!>.hashCode()
+            x = null
+        }
+        run {
+            <!SMARTCAST_IMPOSSIBLE!>x<!>.hashCode()
+        }
+    }
+}
+
+fun gav(s: String?) {
+    var x = s
+    if (x != null) {
+        run {
+            <!SMARTCAST_IMPOSSIBLE!>x<!>.hashCode()
+        }
+        x = null
+    }
+}