From e0de55d689b414a12808037cf7673eca2e3b57a2 Mon Sep 17 00:00:00 2001
From: Michal Moskal <michal@moskal.me>
Date: Fri, 2 Sep 2016 17:29:40 +0100
Subject: [PATCH] Add pxtrt::runtimeWarning() support; see
 https://github.com/Microsoft/pxt/issues/31

---
 libs/microbit/control.ts | 7 +++++++
 libs/microbit/core.cpp   | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/libs/microbit/control.ts b/libs/microbit/control.ts
index ecfc4e93..1fde5030 100644
--- a/libs/microbit/control.ts
+++ b/libs/microbit/control.ts
@@ -37,4 +37,11 @@ namespace control {
             panic(98)
         }
     }
+
+    /**
+     * Display warning in the simulator.
+     */
+    //% shim=pxtrt::runtimeWarning
+    export function runtimeWarning(message: string) {
+    }
 }
diff --git a/libs/microbit/core.cpp b/libs/microbit/core.cpp
index c8cd2b24..79bfc6b9 100644
--- a/libs/microbit/core.cpp
+++ b/libs/microbit/core.cpp
@@ -316,4 +316,9 @@ namespace pxtrt {
   void* getGlobalsPtr() {
     return globals;
   }
+
+  //%
+  void runtimeWarning(StringData *s) {
+    // noop for now
+  }
 }