Extract Function: Add backticks to non-identifiers and references originally surrounded in backticks

#KT-8192 Fixed

idea/testData/refactoring/extractFunction/parameters/misc/addPrefixToBackticks.kt

@@ -0,0 +1,12 @@
+// PARAM_TYPES: X
+// PARAM_TYPES: Y
+// PARAM_DESCRIPTOR: internal final fun X.test(): kotlin.Unit defined in Y
+// PARAM_DESCRIPTOR: internal final class Y defined in root package
+class X(val x: Int)
+
+// SIBLING:
+class Y(val y: Int) {
+    fun X.test() {
+        <selection>`x`plus y</selection>
+    }
+}

idea/testData/refactoring/extractFunction/parameters/misc/addPrefixToBackticks.kt.after

@@ -0,0 +1,16 @@
+// PARAM_TYPES: X
+// PARAM_TYPES: Y
+// PARAM_DESCRIPTOR: internal final fun X.test(): kotlin.Unit defined in Y
+// PARAM_DESCRIPTOR: internal final class Y defined in root package
+class X(val x: Int)
+
+// SIBLING:
+class Y(val y: Int) {
+    fun X.test() {
+        __dummyTestFun__(this, this@Y)
+    }
+}
+
+private fun __dummyTestFun__(x: X, y1: Y) {
+    x.`x`plus y1.y
+}

idea/testData/refactoring/extractFunction/parameters/misc/idWithBackticks.kt

@@ -0,0 +1,6 @@
+// PARAM_TYPES: kotlin.Int
+// PARAM_DESCRIPTOR: val i: kotlin.Int defined in test
+fun test() {
+    val `i` = 0
+    <selection>`i`plus i</selection>
+}

idea/testData/refactoring/extractFunction/parameters/misc/idWithBackticks.kt.after

@@ -0,0 +1,10 @@
+// PARAM_TYPES: kotlin.Int
+// PARAM_DESCRIPTOR: val i: kotlin.Int defined in test
+fun test() {
+    val `i` = 0
+    __dummyTestFun__(`i`)
+}
+
+private fun __dummyTestFun__(`i`: Int) {
+    `i`plus i
+}

idea/testData/refactoring/extractFunction/parameters/misc/idWithRequiredBackticks.kt

@@ -0,0 +1,6 @@
+// PARAM_TYPES: kotlin.Int
+// PARAM_DESCRIPTOR: val 0: kotlin.Int defined in test
+fun test() {
+    val `0` = 0
+    <selection>`0`plus 1</selection>
+}

idea/testData/refactoring/extractFunction/parameters/misc/idWithRequiredBackticks.kt.after

@@ -0,0 +1,10 @@
+// PARAM_TYPES: kotlin.Int
+// PARAM_DESCRIPTOR: val 0: kotlin.Int defined in test
+fun test() {
+    val `0` = 0
+    __dummyTestFun__(`0`)
+}
+
+private fun __dummyTestFun__(`0`: Int) {
+    `0`plus 1
+}

idea/testData/refactoring/extractFunction/parameters/misc/replaceWithBackticks.kt

@@ -0,0 +1,6 @@
+// PARAM_TYPES: kotlin.Int
+// PARAM_DESCRIPTOR: val i: kotlin.Int defined in test
+fun test() {
+    val i = 0
+    <selection>`i`plus i</selection>
+}

idea/testData/refactoring/extractFunction/parameters/misc/replaceWithBackticks.kt.after

@@ -0,0 +1,10 @@
+// PARAM_TYPES: kotlin.Int
+// PARAM_DESCRIPTOR: val i: kotlin.Int defined in test
+fun test() {
+    val i = 0
+    __dummyTestFun__(`i`)
+}
+
+private fun __dummyTestFun__(i: Int) {
+    `i`plus i
+}

idea/testData/refactoring/extractFunction/parameters/misc/replaceWithBackticks2.kt

@@ -0,0 +1,6 @@
+// PARAM_TYPES: kotlin.Int
+// PARAM_DESCRIPTOR: val i: kotlin.Int defined in test
+fun test() {
+    val i = 0
+    <selection>i plus `i`</selection>
+}

idea/testData/refactoring/extractFunction/parameters/misc/replaceWithBackticks2.kt.after

@@ -0,0 +1,10 @@
+// PARAM_TYPES: kotlin.Int
+// PARAM_DESCRIPTOR: val i: kotlin.Int defined in test
+fun test() {
+    val i = 0
+    __dummyTestFun__(i)
+}
+
+private fun __dummyTestFun__(i: Int) {
+    i plus `i`
+}