[kotlin] Provide CFG facade for the extract function refactoring

This is the first implementation of a control flow graph facade for the
extract function IDE refactoring. The exact contents of
'KtDataFlowExitPointSnapshot' will be refined later.

^KT-65762 Fixed

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/arrayElementAugmentedReassignment.kt

@@ -0,0 +1,7 @@
+fun test() {
+    var x = intArrayOf(0)
+    <expr>x[0] += 1</expr>
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/arrayElementAugmentedReassignment.txt

@@ -0,0 +1,12 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = DefaultExpressionInfo:
+    expression = x[0] += 1
+    type = kotlin.Unit
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = []

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/arrayElementIncrementPostfix.kt

@@ -0,0 +1,7 @@
+fun test() {
+    var x = intArrayOf(0)
+    <expr>x[0]++</expr>
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/arrayElementIncrementPostfix.txt

@@ -0,0 +1,12 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = DefaultExpressionInfo:
+    expression = x[0]++
+    type = kotlin.Unit
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = []

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/arrayElementIncrementPrefix.kt

@@ -0,0 +1,7 @@
+fun test() {
+    var x = intArrayOf(0)
+    <expr>++x[0]</expr>
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/arrayElementIncrementPrefix.txt

@@ -0,0 +1,12 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = DefaultExpressionInfo:
+    expression = ++x[0]
+    type = kotlin.Unit
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = []

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/augmentedReassignment.kt

@@ -0,0 +1,7 @@
+fun test() {
+    var x = 0
+    <expr>x += 1</expr>
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/augmentedReassignment.txt

@@ -0,0 +1,15 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = [
+    VariableReassignment:
+      expression = x += 1
+      isAugmented = true
+      variable = var x: kotlin.Int
+  ]

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/classPropertyReassignment.kt

@@ -0,0 +1,7 @@
+class Foo {
+    var x: Int = 0
+
+    fun test() {
+        <expr>x = 1</expr>
+    }
+}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/classPropertyReassignment.txt

@@ -0,0 +1,10 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = []

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/conditionalReassignment.kt

@@ -0,0 +1,9 @@
+fun test() {
+    var x = 0
+    if (x > 0) {
+        <expr>x = 1</expr>
+    }
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/conditionalReassignment.txt

@@ -0,0 +1,15 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = [
+    VariableReassignment:
+      expression = x = 1
+      isAugmented = false
+      variable = var x: kotlin.Int
+  ]

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/destructuredReassignment.kt

@@ -0,0 +1,9 @@
+// WITH_STDLIB
+
+fun test() {
+    var (x, y) = Pair(1, 2)
+    <expr>x = 1</expr>
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/destructuredReassignment.txt

@@ -0,0 +1,15 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = [
+    VariableReassignment:
+      expression = x = 1
+      isAugmented = false
+      variable = var x: kotlin.Int
+  ]

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/errorTargetReassignment.kt

@@ -0,0 +1,3 @@
+fun test() {
+    <expr>x = "foo"</expr>
+}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/errorTargetReassignment.txt

@@ -0,0 +1,10 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = []

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/incrementPostfix.kt

@@ -0,0 +1,7 @@
+fun test() {
+    var x = 0
+    <expr>x++</expr>
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/incrementPostfix.txt

@@ -0,0 +1,15 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = [
+    VariableReassignment:
+      expression = x++
+      isAugmented = true
+      variable = var x: kotlin.Int
+  ]

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/incrementPrefix.kt

@@ -0,0 +1,7 @@
+fun test() {
+    var x = 0
+    <expr>++x</expr>
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/incrementPrefix.txt

@@ -0,0 +1,15 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = [
+    VariableReassignment:
+      expression = ++x
+      isAugmented = true
+      variable = var x: kotlin.Int
+  ]

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/lambdaParameterReassignment.kt

@@ -0,0 +1,7 @@
+fun test() {
+    block { n ->
+        <expr>n = 1</expr>
+    }
+}
+
+fun block(block: (Int) -> Unit) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/lambdaParameterReassignment.txt

@@ -0,0 +1,10 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = []

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/localVariable.kt

@@ -0,0 +1,7 @@
+fun test() {
+    <expr>val x = 0
+    consume(1)</expr>
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/localVariable.txt

@@ -0,0 +1,12 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = DefaultExpressionInfo:
+    expression = consume(1)
+    type = kotlin.Unit
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = []

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/parameterReassignment.kt

@@ -0,0 +1,3 @@
+fun test(n: Int) {
+    <expr>n = 5</expr>
+}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/parameterReassignment.txt

@@ -0,0 +1,10 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = []

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/simpleReassignment.kt

@@ -0,0 +1,7 @@
+fun test() {
+    var x = 0
+    <expr>x = 1</expr>
+    consume(x)
+}
+
+fun consume(n: Int) {}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/simpleReassignment.txt

@@ -0,0 +1,15 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = [
+    VariableReassignment:
+      expression = x = 1
+      isAugmented = false
+      variable = var x: kotlin.Int
+  ]

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/topLevelPropertyReassignment.kt

@@ -0,0 +1,5 @@
+var x: Int = 0
+
+fun test() {
+    <expr>x = 1</expr>
+}

analysis/analysis-api/testData/components/dataFlowInfoProvider/exitPointSnapshot/variables/topLevelPropertyReassignment.txt

@@ -0,0 +1,10 @@
+KtDataFlowExitPointSnapshot:
+  defaultExpressionInfo = null
+  hasEscapingJumps = false
+  hasJumps = false
+  hasMultipleJumpKinds = false
+  hasMultipleJumpTargets = false
+  loopJumpExpressions = []
+  returnValueType = null
+  valuedReturnExpressions = []
+  variableReassignments = []