commit 81ebba7e0236163b7594938201bf3a6b802ebfaa
author pohmelie <multisosnooley@gmail.com> Wed Jan 27 23:23:11 2016 +0300
committer Damien George <damien.p.george@gmail.com> Wed Apr 13 15:26:38 2016 +0100
tree f75ae92c1dd879507e718d6234c8b007c4070686
parent 959ed931a4d4079b4902f3d56e1696a2370e6c20

py: add async/await/async for/async with syntax

They are sugar for marking function as generator, "yield from"
and pep492 python "semantically equivalents" respectively.

@dpgeorge was the original author of this patch, but @pohmelie made
changes to implement `async for` and `async with`.

py/lexer.c

diff --git a/py/lexer.c b/py/lexer.c
index 76abedd..1639740 100644
--- a/py/lexer.c
+++ b/py/lexer.c
@@ -234,6 +234,10 @@
     "and",
     "as",
     "assert",
+    #if MICROPY_PY_ASYNC_AWAIT
+    "async",
+    "await",
+    #endif
     "break",
     "class",
     "continue",