commit b9c4783273bfe794a6be2be6b02aedcd9bd80d64
author Damien George <damien.p.george@gmail.com> Thu Dec 22 10:37:13 2016 +1100
committer Damien George <damien.p.george@gmail.com> Thu Dec 22 10:37:13 2016 +1100
tree 18c3b568d60966f590a6da1905d4efd228d84d0a
parent adccafb42a892df87e3ca45a8fcc01535b39b055

py/lexer: Remove unreachable code in string tokeniser.

py/lexer.c

diff --git a/py/lexer.c b/py/lexer.c
index 7db49de..0611a72 100644
--- a/py/lexer.c
+++ b/py/lexer.c
@@ -430,7 +430,8 @@
                         vstr_add_char(&lex->vstr, '\\');
                     } else {
                         switch (c) {
-                            case MP_LEXER_EOF: break; // TODO a proper error message?
+                            // note: "c" can never be MP_LEXER_EOF because next_char
+                            // always inserts a newline at the end of the input stream
                             case '\n': c = MP_LEXER_EOF; break; // backslash escape the newline, just ignore it
                             case '\\': break;
                             case '\'': break;