Debugger: implement findExpression method correctly to make work Alt+Click in debugger

idea/testData/debugger/selectExpression/binaryExpression.kt

@@ -0,0 +1,5 @@
+fun foo() {
+    1 <caret>+ 1
+}
+
+// EXPECTED: 1 + 1

idea/testData/debugger/selectExpression/call.kt

@@ -0,0 +1,7 @@
+fun foo() {
+    <caret>bar()
+}
+
+fun bar() = 1
+
+// EXPECTED: bar()

idea/testData/debugger/selectExpression/expressionInPropertyInitializer.kt

@@ -0,0 +1,4 @@
+val a = 1
+val b = <caret>a
+
+// EXPECTED: a

idea/testData/debugger/selectExpression/extensionFun.kt

@@ -0,0 +1,7 @@
+fun foo() {
+    1.<caret>foo()
+}
+
+fun Int.foo() = 1
+
+// EXPECTED: 1.foo()

idea/testData/debugger/selectExpression/funArgument.kt

@@ -0,0 +1,8 @@
+fun foo() {
+    val a = 1
+    bar(<caret>a)
+}
+
+fun bar(i: Int) = 1
+
+// EXPECTED: a

idea/testData/debugger/selectExpression/functionLiteral.kt

@@ -0,0 +1,7 @@
+fun foo() {
+    <caret>bar { }
+}
+
+fun bar(f: () -> Unit) = 1
+
+// EXPECTED: bar { }

idea/testData/debugger/selectExpression/getConvention.kt

@@ -0,0 +1,10 @@
+fun foo() {
+    val klass = MyClass()
+    klass<caret>[1]
+}
+
+class MyClass {
+    fun get(i: Int): Int = 1
+}
+
+// EXPECTED: klass[1]

idea/testData/debugger/selectExpression/infixCall.kt

@@ -0,0 +1,7 @@
+fun foo() {
+    1 <caret>foo 1
+}
+
+fun Int.foo(i: Int) = 1
+
+// EXPECTED: 1 foo 1

idea/testData/debugger/selectExpression/infixCallArgument.kt

@@ -0,0 +1,8 @@
+fun foo() {
+    val a = 1
+    <caret>a foo 1
+}
+
+fun Int.foo(i: Int) = 1
+
+// EXPECTED: a

idea/testData/debugger/selectExpression/isExpression.kt

@@ -0,0 +1,5 @@
+fun foo() {
+    1 <caret>is Int
+}
+
+// EXPECTED: 1 is Int

idea/testData/debugger/selectExpression/keyword.kt

@@ -0,0 +1,3 @@
+<caret>val a = 1
+
+// EXPECTED: null

idea/testData/debugger/selectExpression/modifier.kt

@@ -0,0 +1,3 @@
+<caret>public fun foo() = 1
+
+// EXPECTED: null

idea/testData/debugger/selectExpression/param.kt

@@ -0,0 +1,5 @@
+fun foo(i: Int) {
+    <caret>i
+}
+
+// EXPECTED: i

idea/testData/debugger/selectExpression/propertyCall.kt

@@ -0,0 +1,6 @@
+val a = 1
+fun foo() {
+    <caret>a
+}
+
+// EXPECTED: a

idea/testData/debugger/selectExpression/propertyDeclaration.kt

@@ -0,0 +1,3 @@
+val <caret>a = 1
+
+// EXPECTED: null

idea/testData/debugger/selectExpression/qualifiedExpressionProperty.kt

@@ -0,0 +1,10 @@
+fun foo() {
+    val klass = MyClass()
+    klass.<caret>bar
+}
+
+class MyClass {
+    val bar = 1
+}
+
+// EXPECTED: klass.bar

idea/testData/debugger/selectExpression/qualifiedExpressionReceiver.kt

@@ -0,0 +1,10 @@
+fun foo() {
+    val klass = MyClass()
+    <caret>klass.bar()
+}
+
+class MyClass {
+    fun bar() = 1
+}
+
+// EXPECTED: klass

idea/testData/debugger/selectExpression/qualifiedExpressionSelector.kt

@@ -0,0 +1,10 @@
+fun foo() {
+    val klass = MyClass()
+    klass.<caret>bar()
+}
+
+class MyClass {
+    fun bar() = 1
+}
+
+// EXPECTED: klass.bar()

idea/testData/debugger/selectExpression/super.kt

@@ -0,0 +1,11 @@
+class Derived: Base() {
+    fun test() {
+        <caret>super.test()
+    }
+}
+
+open class Base {
+    fun test() {}
+}
+
+// EXPECTED: super.test()

idea/testData/debugger/selectExpression/this.kt

@@ -0,0 +1,7 @@
+class MyClass {
+    fun test() {
+        <caret>this.test()
+    }
+}
+
+// EXPECTED: this.test()

idea/testData/debugger/selectExpression/thisWithLabel.kt

@@ -0,0 +1,7 @@
+class MyClass {
+    fun Int.test() {
+        <caret>this@MyClass
+    }
+}
+
+// EXPECTED: this@MyClass

idea/testData/debugger/selectExpression/unaryExpression.kt

@@ -0,0 +1,5 @@
+fun foo() {
+    <caret>+1
+}
+
+// EXPECTED: +1