JS backend: added reviver parameter to JSON.parse.

Fixed code style in json.kt.

(cherry picked from commit b3bf97c)

js/js.libraries/src/core/json.kt

@@ -1,33 +1,30 @@
 package js
 
-import java.util.*;
 import js.library
 
 native
 public class Json() {
-
+    library("jsonGet")
+    fun get(parameterName: String): Any?
+    library("jsonSet")
+    fun set(parameterName: String, value: Any?): Unit
 }
 
-library("jsonSet")
-public fun Json.set(paramName : String, value : Any?) : Unit = js.noImpl
+library("jsonFromTuples")
+public fun json(vararg pairs: Pair<String, Any?>): Json = js.noImpl
 
-library("jsonGet")
-public fun Json.get(paramName : String) : Any? = js.noImpl
-
-library("jsonFromPairs")
-public fun json(vararg pairs : Pair<String, Any?>) : Json = js.noImpl
-
-library("jsonFromPairs")
-public fun json2(pairs : Array<Pair<String, Any?>>) : Json = js.noImpl
+library("jsonFromTuples")
+public fun json2(pairs: Array<Pair<String, Any?>>): Json = js.noImpl
 
 library("jsonAddProperties")
-public fun Json.add(other : Json) : Json = js.noImpl
+public fun Json.add(other: Json): Json = js.noImpl
 
 native
 public trait JsonClass {
-    public fun stringify(o: Any): String = noImpl
-    public fun parse<T>(text: String): T = noImpl
+    public fun stringify(o: Any): String
+    public fun parse<T>(text: String): T
+    public fun parse<T>(text: String, reviver: ((key: String, value: Any?)->Any?)): T
 }
 
 native
-public val JSON:JsonClass = noImpl
+public val JSON: JsonClass = noImpl

js/js.translator/testFiles/kotlin_lib.js

@@ -532,7 +532,7 @@ var kotlin = {set:function (receiver, key, value) {
         return obj.toString();
     };
 
-    Kotlin.jsonFromPairs = function (pairArr) {
+    Kotlin.jsonFromTuples = function (pairArr) {
         var i = pairArr.length;
         var res = {};
         while (i > 0) {