Passing DataFlowInfo to local classes/objects

#KT-2835 In Progress
#KT-2225 In Progress
#KT-338 In Progress

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassBase.kt

@@ -0,0 +1,10 @@
+open class Base(x: String, y: Int)
+
+fun test(x: Any, y: Int?) {
+  if (x !is String) return
+  if (y == null) return
+
+  class Local: Base(x, y) {
+  }
+}
+

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassDefaultParameters.kt

@@ -0,0 +1,8 @@
+fun test(x: Any) {
+  if (x !is String) return
+
+  class Local(s: String = x) {
+    fun foo(s: String = x): String = s
+  }
+}
+

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassDelegatedProperties.kt

@@ -0,0 +1,16 @@
+class Del {
+  fun get(<!UNUSED_PARAMETER!>_this<!>: Any?, <!UNUSED_PARAMETER!>p<!>: PropertyMetadata): Int = 0
+}
+
+fun df(del: Del): Del = del
+
+
+fun test(del: Any?) {
+  if (del !is Del) return
+
+  class Local {
+    val delegatedVal by df(del)
+    val delegatedVal1: Int by df(del)
+  }
+}
+

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassDelegation.kt

@@ -0,0 +1,11 @@
+trait D {
+  fun foo() {}
+}
+
+fun test(d: Any?) {
+  if (d !is D) return
+
+  class Local : D by d {
+  }
+}
+

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassFunctions.kt

@@ -0,0 +1,18 @@
+trait D {
+  fun foo(): String = ""
+}
+
+fun test(d: Any?) {
+  if (d !is D) return
+
+  class Local {
+    fun f() {
+      d.foo()
+    }
+
+    fun f1() = d.foo()
+
+    fun f2(): String = d.foo()
+  }
+}
+

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassInMemberOfLocalClass.kt

@@ -0,0 +1,16 @@
+fun test(x: Any) {
+  if (x !is String) return
+
+  class LocalOuter {
+    fun foo(y: Any) {
+      if (y !is String) return
+      class Local {
+        {
+          x.length
+          y.length
+        }
+      }
+    }
+  }
+}
+

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassProperty.kt

@@ -1,9 +1,12 @@
 fun test(x: Any?) {
   if (x !is String) return
+
   class C {
     val v = x.length
-  }
-  object {
-    val v = x.length
+
+    val vGet: Int
+      get() = x.length
+
+    val s: String = x
   }
 }

compiler/testData/diagnostics/tests/dataFlow/local/NestedLocalClass.kt

@@ -0,0 +1,12 @@
+fun test(x: Any) {
+  if (x !is String) return
+
+  class LocalOuter {
+    inner class Local {
+      {
+        x.length
+      }
+    }
+  }
+}
+