[FE] Prohibit open val deferred initialization

^KT-57553 Fixed Review: https://jetbrains.team/p/kt/reviews/9967 Other related tests: - testUninitializedOrReassignedVariables - testUseOfPropertiesWithoutPrimary - @TestMetadata("compiler/testData/diagnostics/tests/secondaryConstructors") - testAugmentedAssignmentInInitializer - testInitOpenSetter - testInitOverrideInConstructorComplex - testPropertyInitializationOrder
2023-05-01 15:18:51 +02:00
parent 38319c55a8
commit ac40010501
27 changed files with 399 additions and 151 deletions
@@ -0,0 +1,55 @@
+// FIR_IDENTICAL
+// !DIAGNOSTICS: -DEBUG_INFO_LEAKING_THIS
+// !LANGUAGE:+ProhibitOpenValDeferredInitialization
+// a = final + not initialized in place + deferred init
+// e = final + not initialized in place
+// c = final + initialized in place
+
+// b = open + not initialized in place + deferred init
+// f = open + not initialized in place
+// d = open + initialized in place
+open class Foo {
+    // no getter
+                                                             val a0: Int
+                       <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>val e0: Int<!>
+                                                             val c0: Int = 1
+            <!MUST_BE_INITIALIZED_OR_FINAL_OR_ABSTRACT!>open val b0: Int<!>
+                  <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>open val f0: Int<!>
+                                                        open val d0: Int = 1
+
+    // getter with field
+                                                    val a1: Int; get() = field
+                             <!MUST_BE_INITIALIZED!>val e1: Int<!>; get() = field
+                                                    val c1: Int = 1; get() = field
+            <!MUST_BE_INITIALIZED_OR_BE_FINAL!>open val b1: Int<!>; get() = field
+                        <!MUST_BE_INITIALIZED!>open val f1: Int<!>; get() = field
+                                               open val d1: Int = 1; get() = field
+
+    // getter with empty body
+                                                             val a2: Int; get
+                       <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>val e2: Int<!>; get
+                                                             val c2: Int = 1; get
+            <!MUST_BE_INITIALIZED_OR_FINAL_OR_ABSTRACT!>open val b2: Int<!>; get
+                  <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>open val f2: Int<!>; get
+                                                        open val d2: Int = 1; get
+
+    // getter no field
+         val a3: Int; get() = 1
+         val e3: Int; get() = 1
+         val c3: Int = <!PROPERTY_INITIALIZER_NO_BACKING_FIELD!>1<!>; get() = 1
+    open val b3: Int; get() = 1
+    open val f3: Int; get() = 1
+    open val d3: Int = <!PROPERTY_INITIALIZER_NO_BACKING_FIELD!>1<!>; get() = 1
+
+    init {
+        a0 = 1
+        a1 = 1
+        a2 = 1
+        <!VAL_REASSIGNMENT!>a3<!> = 1
+
+        b0 = 1
+        b1 = 1
+        b2 = 1
+        <!VAL_REASSIGNMENT!>b3<!> = 1
+    }
+}