JS backend: cleanup strings code.

Added String.size and String.length().

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

@@ -3,12 +3,6 @@ package java.lang
 import java.io.IOException
 import js.library
 
-library("splitString")
-public fun String.split(regex : String) : Array<String> = js.noImpl
-
-library("splitString")
-public fun String.split(regex : String, limit: Int) : Array<String> = js.noImpl
-
 library
 open public class Exception(message: String? = null) : Throwable() {}
 

js/js.libraries/src/core/string.kt

@@ -1,5 +1,13 @@
 package js
 
+native public fun String.startsWith(s: String): Boolean = noImpl
+native public fun String.endsWith(s: String): Boolean = noImpl
+native public fun String.contains(s: String): Boolean = noImpl
+
+native public fun String.startsWith(char: Char): Boolean = noImpl
+native public fun String.endsWith(char: Char): Boolean = noImpl
+native public fun String.contains(char: Char): Boolean = noImpl
+
 native public fun String.toUpperCase() : String = js.noImpl
 
 native public fun String.toLowerCase() : String = js.noImpl
@@ -10,8 +18,11 @@ native public fun String.indexOf(str : String, fromIndex : Int) : Int = js.noImp
 native public fun String.lastIndexOf(str: String) : Int = js.noImpl
 native public fun String.lastIndexOf(str : String, fromIndex : Int) : Int = js.noImpl
 
-// Defined in javalang.kt
-//native public fun String.split(regex : String) : Array<String> = js.noImpl
+library("splitString")
+public fun String.split(regex: String): Array<String> = js.noImpl
+
+library("splitString")
+public fun String.split(regex: String, limit: Int): Array<String> = js.noImpl
 
 native public fun String.substring(beginIndex : Int) : String = js.noImpl
 native public fun String.substring(beginIndex : Int, endIndex : Int) : String = js.noImpl
@@ -24,9 +35,10 @@ native public fun String.match(regex : String) : Array<String> = js.noImpl
 
 native public fun String.trim() : String = js.noImpl
 
-native public val String.length : Int
+public val String.size: Int
     get() = js.noImpl
 
+public fun String.length(): Int = js.noImpl
 
 /*
 

js/js.libraries/src/core/stringsCode.kt

@@ -11,29 +11,6 @@ public inline fun String.matches(regex : String) : Boolean {
     return result != null && result.size > 0
 }
 
-public inline fun String.length(): Int = length
-
-inline val String.size : Int
-get() = length
-
-public inline fun String.startsWith(ch: Char): Boolean {
-    return if (size > 0) charAt(0) == ch else false
-}
-
-public inline fun String.endsWith(ch: Char): Boolean {
-    val s = size
-    return if (s > 0) charAt(s - 1) == ch else false
-}
-
-native
-fun String.startsWith(s:String):Boolean = noImpl
-
-native
-fun String.endsWith(s:String):Boolean = noImpl
-
-native
-fun String.contains(s:String):Boolean = noImpl
-
 /**
  * Returns a copy of this string capitalised if it is not empty or already starting with an uppper case letter, otherwise returns this
  *