Analyze Data Flow: Support val/var parameters

#KT-11994 In Progress

idea/testData/slicer/outflow/valParameter.kt

@@ -0,0 +1,21 @@
+// FLOW: OUT
+
+class A(val <caret>n: Int) {
+    val x = n
+
+    val y: Int
+
+    init {
+        y = n
+
+        bar(n)
+    }
+
+    fun bar(m: Int) {
+        val z = n
+    }
+}
+
+fun test() {
+    val z = A(1).n
+}

idea/testData/slicer/outflow/valParameter.results.txt

@@ -0,0 +1,6 @@
+3 class A(val <bold>n: Int</bold>) {
+4 	val <bold>x = n</bold>
+6 	val <bold>y: Int</bold>
+14 	fun bar(<bold>m: Int</bold>) {
+15 	val <bold>z = n</bold>
+20 	val <bold>z = A(1).n</bold>

idea/testData/slicer/outflow/varParameter.kt

@@ -0,0 +1,23 @@
+// FLOW: OUT
+
+class A(var <caret>n: Int) {
+    val x = n
+
+    val y: Int
+
+    init {
+        y = n
+
+        bar(n)
+    }
+
+    fun bar(m: Int) {
+        val z = n
+        n = 1
+    }
+}
+
+fun test() {
+    val z = A(1).n
+    A(1).n = 2
+}

idea/testData/slicer/outflow/varParameter.results.txt

@@ -0,0 +1,6 @@
+3 class A(var <bold>n: Int</bold>) {
+4 	val <bold>x = n</bold>
+6 	val <bold>y: Int</bold>
+14 	fun bar(<bold>m: Int</bold>) {
+15 	val <bold>z = n</bold>
+21 	val <bold>z = A(1).n</bold>