Add toString() to Any, fix all tests

#KT-4517 Fixed

js/js.libraries/src/core/javalang.kt

@@ -51,5 +51,5 @@ public class StringBuilder() : Appendable {
     //TODO
     //override fun append(csq: CharSequence?, start: Int, end: Int): StringBuilder = js.noImpl
     public fun append(obj: Any?): StringBuilder = js.noImpl
-    public fun toString(): String = js.noImpl
+    override fun toString(): String = js.noImpl
 }

js/js.libraries/src/core/javautil.kt

@@ -49,7 +49,7 @@ public abstract class AbstractList<E>() : AbstractCollection<E>(), MutableList<E
 
     override fun equals(other: Any?): Boolean = js.noImpl
 
-    fun toString(): String = js.noImpl
+    override fun toString(): String = js.noImpl
 }
 
 library

js/js.libraries/src/stdlib/TuplesCode.kt

@@ -8,8 +8,7 @@ public class Pair<A, B> (
     public fun component1(): A = first
     public fun component2(): B = second
 
-    public fun toString(): String = "($first, $second)"
-
+    override fun toString(): String = "($first, $second)"
 }
 
 public class Triple<A, B, C> (
@@ -21,5 +20,5 @@ public class Triple<A, B, C> (
     public fun component2(): B = second
     public fun component3(): C = third
 
-    public fun toString(): String = "($first, $second, $third)"
+    override fun toString(): String = "($first, $second, $third)"
 }

js/js.translator/src/org/jetbrains/k2js/translate/callTranslator/CallInfo.kt

@@ -49,7 +49,7 @@ trait CallInfo {
 
     fun constructSafeCallIsNeeded(result: JsExpression): JsExpression
 
-    fun toString(): String {
+    override fun toString(): String {
         val location = DiagnosticUtils.atLocation(context.bindingContext(), callableDescriptor)
         val name = callableDescriptor.getName().asString()
         return "callableDescriptor: $name at $location; thisObject: $thisObject; receiverObject: $receiverObject"

js/js.translator/testFiles/expression/function/cases/manglingAnyMethods.kt

@@ -7,13 +7,13 @@ public fun toString(): String = ""
 public class PublicClass {
     override fun equals(a: Any?): Boolean = this.identityEquals(a)
     override fun hashCode(): Int = 0
-    public fun toString(): String = "PublicClass"
+    override fun toString(): String = "PublicClass"
 }
 
 internal class InternalClass {
     override fun equals(a: Any?): Boolean = this.identityEquals(a)
     override fun hashCode(): Int = 1
-    public fun toString(): String = "InternalClass"
+    override fun toString(): String = "InternalClass"
 
     // overloads
     public fun equals(a: Any?, b: Any?): Boolean = a == b
@@ -24,7 +24,7 @@ internal class InternalClass {
 private class PrivateClass {
     override fun equals(a: Any?): Boolean = this.identityEquals(a)
     override fun hashCode(): Int = 2
-    public fun toString(): String = "InternalClass"
+    override fun toString(): String = "InternalClass"
 
     // overloads
     public fun equals(a: Any?, b: Any?): Boolean = a == b

js/js.translator/testFiles/expression/string/cases/kt2227_2.kt

@@ -3,7 +3,7 @@ package foo
 var i = 0
 
 class A() {
-  fun toString():  String {
+  override fun toString(): String {
       i++
       return "bar"
   }

js/js.translator/testFiles/expression/string/cases/objectToStringCallInTemplate.kt

@@ -1,7 +1,7 @@
 package foo
 
 class A(var i : Int) {
-    fun toString() = "a$i"
+    override fun toString() = "a$i"
 }
 
 fun box() : Boolean {

js/js.translator/testFiles/expression/stringTemplates/cases/objectWithToString.kt

@@ -1,7 +1,7 @@
 package foo
 
 class Foo(val name: String) {
-  public fun toString(): String {
+  override fun toString(): String {
     return name + "S"
   }
 }

js/js.translator/testFiles/webDemoExamples2/cases/builder.kt

@@ -48,7 +48,7 @@ fun main(args: Array<String>) {
 trait Element {
     fun render(builder: StringBuilder, indent: String)
 
-    fun toString(): String? {
+    override fun toString(): String {
         val builder = StringBuilder()
         render(builder, "")
         return builder.toString()