Add stubs for micropython.natve, viper, and asm_thumb

diff --git a/src/micropython.py b/src/micropython.py
index b5af9b39a5c5627d735dfdd3ecf0dcd756907fdd..620646f85882ec03383e00cf33a6aa5a2a955488 100755 (executable)
--- a/src/micropython.py
+++ b/src/micropython.py
@@ -1,2 +1,14 @@
 def const(x):
     return x
+
+
+def native(f):
+    return f
+
+
+def viper(f):
+    raise SyntaxError("invalid micropython decorator")
+
+
+def asm_thumb(f):
+    raise SyntaxError("invalid micropython decorator")
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