jebbatime/micropython
jebbatime/micropython
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

compile: Don't try to constant-fold division by zero.

Browse source 
The way it is, just crashes app. And optimizing to
"raise ZeroDivisionError" is probably too much.
This commit is contained in:
Paul Sokolovsky 2014-03-31 02:16:25 +03:00
parent 864038dab7
commit 96eec4f8a6
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
py/compile.c
View file

@ -145,7 +145,9 @@ mp_parse_node_t fold_constants(mp_parse_node_t pn) {
} else if (MP_PARSE_NODE_IS_TOKEN_KIND(pns->nodes[1], MP_TOKEN_OP_PERCENT)) {
pn = mp_parse_node_new_leaf(MP_PARSE_NODE_SMALL_INT, python_modulo(arg0, arg1));
} else if (MP_PARSE_NODE_IS_TOKEN_KIND(pns->nodes[1], MP_TOKEN_OP_DBL_SLASH)) {
pn = mp_parse_node_new_leaf(MP_PARSE_NODE_SMALL_INT, python_floor_divide(arg0, arg1));
if (arg1 != 0) {
pn = mp_parse_node_new_leaf(MP_PARSE_NODE_SMALL_INT, python_floor_divide(arg0, arg1));
}
} else {
// shouldn't happen
assert(0);