Analyze Data Flow: Support properties with custom accessors

#KT-11994 In Progress

idea/testData/slicer/inflow/defaultGetterFieldInSetter.kt

@@ -0,0 +1,13 @@
+// FLOW: IN
+
+class A(var b: Boolean) {
+    var foo: Int
+        set(value) {
+            field = if (b) value else 0
+        }
+
+    fun test() {
+        val x = <caret>foo
+        foo = 1
+    }
+}

idea/testData/slicer/inflow/defaultGetterFieldInSetter.results.txt

@@ -0,0 +1,7 @@
+10 val x = <bold>foo</bold>
+4 	var <bold>foo: Int</bold>
+6 		field = <bold>if (b) value else 0</bold>
+6 			field = if (b) <bold>value</bold> else 0
+5 				set(<bold>value</bold>) {
+11 					foo = <bold>1</bold>
+6 			field = if (b) value else <bold>0</bold>

idea/testData/slicer/inflow/delegateGetter.kt

@@ -0,0 +1,13 @@
+// FLOW: IN
+
+import kotlin.reflect.KProperty
+
+object D {
+    operator fun getValue(thisRef: Any?, property: KProperty<*>) = 1
+}
+
+val foo: Int by D
+
+fun test() {
+    val <caret>x = foo
+}

idea/testData/slicer/inflow/delegateGetter.results.txt

@@ -0,0 +1,5 @@
+12 val <bold>x = foo</bold>
+12 	val x = <bold>foo</bold>
+9 		val <bold>foo: Int by D</bold>
+6 			operator fun <bold>getValue(thisRef: Any?, property: KProperty<*>) = 1</bold>
+6 				operator fun getValue(thisRef: Any?, property: KProperty<*>) = <bold>1</bold>

idea/testData/slicer/inflow/getterAndSetterUsingField.kt

@@ -0,0 +1,14 @@
+// FLOW: IN
+
+class A(var b: Boolean) {
+    var foo: Int
+        get() = if (b) field else 0
+        set(value) {
+            field = if (b) value else 0
+        }
+
+    fun test() {
+        val x = <caret>foo
+        foo = 1
+    }
+}

idea/testData/slicer/inflow/getterAndSetterUsingField.results.txt

@@ -0,0 +1,10 @@
+11 val x = <bold>foo</bold>
+4 	var <bold>foo: Int</bold>
+5 		get() = <bold>if (b) field else 0</bold>
+5 			get() = if (b) <bold>field</bold> else 0
+7 				field = <bold>if (b) value else 0</bold>
+7 					field = if (b) <bold>value</bold> else 0
+6 						set(<bold>value</bold>) {
+12 							foo = <bold>1</bold>
+7 					field = if (b) value else <bold>0</bold>
+5 			get() = if (b) field else <bold>0</bold>

idea/testData/slicer/inflow/getterExpressionBody.kt

@@ -0,0 +1,8 @@
+// FLOW: IN
+
+val foo: Int
+    get() = 0
+
+fun test() {
+    val <caret>x = foo
+}

idea/testData/slicer/inflow/getterExpressionBody.results.txt

@@ -0,0 +1,4 @@
+7 val <bold>x = foo</bold>
+7 	val x = <bold>foo</bold>
+3 		val <bold>foo: Int</bold>
+4 			get() = <bold>0</bold>

idea/testData/slicer/inflow/getterReturnExpression.kt

@@ -0,0 +1,10 @@
+// FLOW: IN
+
+val foo: Int
+    get(): Int {
+        return 0
+    }
+
+fun test() {
+    val <caret>x = foo
+}

idea/testData/slicer/inflow/getterReturnExpression.results.txt

@@ -0,0 +1,4 @@
+9 val <bold>x = foo</bold>
+9 	val x = <bold>foo</bold>
+3 		val <bold>foo: Int</bold>
+5 			return <bold>0</bold>

idea/testData/slicer/inflow/noFieldInGetter.kt

@@ -0,0 +1,13 @@
+// FLOW: IN
+
+class A(var b: Boolean) {
+    var foo: Int
+        get() = 1
+        set(value) {
+            field = value + 1
+        }
+
+    fun test() {
+        val x = <caret>foo
+    }
+}

idea/testData/slicer/inflow/noFieldInGetter.results.txt

@@ -0,0 +1,3 @@
+11 val x = <bold>foo</bold>
+4 	var <bold>foo: Int</bold>
+5 		get() = <bold>1</bold>