[FIR] Disallow operators not on functions

Introduce `NOT_FUNCTION_AS_OPERATOR` and use it instead of `PROPERTY_AS_OPERATOR` ^KT-65881 Fixed Merge-request: KT-MR-14547
2024-03-08 10:07:23 +00:00
parent df9d59851d
commit 2d4f4b9bb5
31 changed files with 440 additions and 100 deletions
@@ -0,0 +1,130 @@
+// ISSUE: KT-65881, KT-65760
+
+class I: Iterator<Int> {
+    override fun hasNext(): Boolean = false
+    override fun next(): Int = 0
+}
+
+object A {
+    object plusAssign {
+        operator fun invoke(x: Int): A = A
+    }
+    object minusAssign {
+        operator fun invoke(x: Int): A = A
+    }
+    object timesAssign {
+        operator fun invoke(x: Int): A = A
+    }
+    object divAssign {
+        operator fun invoke(x: Int): A = A
+    }
+    object remAssign {
+        operator fun invoke(x: Int): A = A
+    }
+    object unaryPlus {
+        operator fun invoke(): A = A
+    }
+    object unaryMinus {
+        operator fun invoke(): A = A
+    }
+    object not {
+        operator fun invoke(): A = A
+    }
+    object plus {
+        operator fun invoke(x: Int): A = A
+    }
+    object minus {
+        operator fun invoke(x: Int): A = A
+    }
+    object times {
+        operator fun invoke(x: Int): A = A
+    }
+    object div {
+        operator fun invoke(x: Int): A = A
+    }
+    object rem {
+        operator fun invoke(x: Int): A = A
+    }
+    object get {
+        operator fun invoke(x: Int): A = A
+    }
+    object set {
+        operator fun invoke(x: Int, y: Int): A = A
+    }
+    object contains {
+        operator fun invoke(x: Int): A = A
+    }
+    object invoke {
+        operator fun invoke(): A = A
+    }
+    object rangeTo {
+        operator fun invoke(x: Int): A = A
+    }
+    object rangeUntil {
+        operator fun invoke(x: Int): A = A
+    }
+    object compareTo {
+        operator fun invoke(x: Int): A = A
+    }
+    object iterator {
+        operator fun invoke(): I = I()
+    }
+    object component1 {
+        operator fun invoke(): A = A
+    }
+    object component2 {
+        operator fun invoke(): A = A
+    }
+}
+
+fun usePlusAssign() { A <!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>+=<!> 1 }
+fun useMinusAssign() { A <!RESOLUTION_TO_CLASSIFIER!>-=<!> 1 }
+fun useTimesAssign() { A <!RESOLUTION_TO_CLASSIFIER!>*=<!> 1 }
+fun useDivAssign() { A <!RESOLUTION_TO_CLASSIFIER!>/=<!> 1 }
+fun useRemAssign() { A <!RESOLUTION_TO_CLASSIFIER!>%=<!> 1 }
+val useUnaryPlus = <!RESOLUTION_TO_CLASSIFIER!>+<!>A
+val useUnaryMinus = <!RESOLUTION_TO_CLASSIFIER!>-<!>A
+val useNot = <!RESOLUTION_TO_CLASSIFIER!>!<!>A
+val usePlus = A <!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>+<!> 1
+val useMinus = A <!RESOLUTION_TO_CLASSIFIER!>-<!> 1
+val useTimes = A <!RESOLUTION_TO_CLASSIFIER!>*<!> 1
+val useDiv = A <!RESOLUTION_TO_CLASSIFIER!>/<!> 1
+val useRem = A <!RESOLUTION_TO_CLASSIFIER!>%<!> 1
+val useGet = <!RESOLUTION_TO_CLASSIFIER!>A<!NO_GET_METHOD!>[1]<!><!>
+fun useSet() { <!RESOLUTION_TO_CLASSIFIER!>A<!NO_SET_METHOD!>[1]<!><!> = 3 }
+val useContains = 1 <!RESOLUTION_TO_CLASSIFIER!>in<!> A
+val useNotContains = 1 <!RESOLUTION_TO_CLASSIFIER!>!in<!> A
+val useInvoke = <!FUNCTION_EXPECTED!>A<!>()
+val useRangeTo = A <!RESOLUTION_TO_CLASSIFIER!>..<!> 3
+val useRangeUntil = A <!RESOLUTION_TO_CLASSIFIER!>..<<!> 3
+val useCompareTo = A <!RESOLUTION_TO_CLASSIFIER!>><!> 2
+fun useIterator() {
+    for (x in <!ITERATOR_MISSING!>A<!>) { }
+}
+fun useComponentN() {
+    val (x, y) = <!COMPONENT_FUNCTION_MISSING, COMPONENT_FUNCTION_MISSING!>A<!>
+}
+
+object D {
+    object getValue {
+        operator fun invoke(thisRef: Any?, property: Any?): Int = 0
+    }
+    object setValue {
+        operator fun invoke(thisRef: Any?, property: Any?, newValue: Int) { }
+    }
+}
+
+class X {
+    val component1 = { "UwU" }
+}
+
+operator fun X.<!EXTENSION_FUNCTION_SHADOWED_BY_MEMBER_PROPERTY_WITH_INVOKE!>component1<!>(): String = "Not UwU"
+
+fun useDelegate() {
+    val m by D
+    var n by <!DELEGATE_SPECIAL_FUNCTION_MISSING!>D<!>
+}
+
+fun resolveToExtension() {
+    val (<!PROPERTY_AS_OPERATOR!>uwu<!>) = X() // KT-65760
+}