From fd19c9fae818a915550a784e420a530202f50f14 Mon Sep 17 00:00:00 2001
From: "Pavel V. Talanov" <Pavel.Talanov@jetbrains.com>
Date: Fri, 30 Mar 2012 13:22:47 +0400
Subject: [PATCH] Add safeParseInt and safeParseDouble to standard library.

---
 js/js.libraries/src/core/math.kt         | 38 ++++++++++++------------
 js/js.translator/testFiles/kotlin_lib.js | 10 +++++++
 2 files changed, 29 insertions(+), 19 deletions(-)

diff --git a/js/js.libraries/src/core/math.kt b/js/js.libraries/src/core/math.kt
index dc1fc9d8ec7..d1b8944c2ea 100644
--- a/js/js.libraries/src/core/math.kt
+++ b/js/js.libraries/src/core/math.kt
@@ -5,27 +5,27 @@ import js.native
 //TODO: declare using number
 native
 class MathClass() {
-    val PI : Double = 1.0;
-    fun random() : Double = 0.0;
-    fun abs(value : Double) = 0.0
-    fun acos(value : Double) = 0.0
-    fun asin(value : Double) = 0.0
-    fun atan(value : Double) = 0.0
-    fun atan2(x : Double, y : Double) = 0.0
-    fun cos(value : Double) = 0.0
-    fun sin(value : Double) = 0.0
-    fun exp(value : Double) = 0.0
-    fun max(vararg values : Double) = 0.0
+    val PI : Double = js.noImpl;
+    fun random() : Double = js.noImpl;
+    fun abs(value : Double) : Double = js.noImpl
+    fun acos(value : Double) : Double = js.noImpl
+    fun asin(value : Double) : Double = js.noImpl
+    fun atan(value : Double) : Double = js.noImpl
+    fun atan2(x : Double, y : Double) : Double = js.noImpl
+    fun cos(value : Double) : Double = js.noImpl
+    fun sin(value : Double) : Double = js.noImpl
+    fun exp(value : Double) : Double = js.noImpl
+    fun max(vararg values : Double) : Double = js.noImpl
     fun max(vararg values : Int) : Int = js.noImpl
     fun min(vararg values : Int) : Int = js.noImpl
-    fun min(vararg values : Double) = 0.0
-    fun sqrt(value : Double) = 0.0
-    fun tan(value : Double) = 0.0
-    fun log(value : Double) = 0.0
-    fun pow(base : Double, exp : Double) = 0.0
-    fun round(value : Number) = 0
-    fun floor(value : Number) = 0
-    fun ceil(value : Number) = 0
+    fun min(vararg values : Double) : Double = js.noImpl
+    fun sqrt(value : Double) : Double = js.noImpl
+    fun tan(value : Double) : Double = js.noImpl
+    fun log(value : Double) : Double = js.noImpl
+    fun pow(base : Double, exp : Double) : Double = js.noImpl
+    fun round(value : Number) : Int = js.noImpl
+    fun floor(value : Number) : Int = js.noImpl
+    fun ceil(value : Number) : Int = js.noImpl
 }
 
 native
diff --git a/js/js.translator/testFiles/kotlin_lib.js b/js/js.translator/testFiles/kotlin_lib.js
index 8c2b828a74a..07e456d794f 100644
--- a/js/js.translator/testFiles/kotlin_lib.js
+++ b/js/js.translator/testFiles/kotlin_lib.js
@@ -351,6 +351,16 @@ var Kotlin;
     }
     ;
 
+    Kotlin.safeParseInt = function(str) {
+        var r = parseInt(str, 10);
+        return isNaN(r) ? null : r;
+    };
+
+    Kotlin.safeParseDouble = function(str) {
+        var r = parseFloat(str, 10);
+        return isNaN(r) ? null : r;
+    };
+
     Kotlin.System = function () {
         var output = "";