diff options
| -rw-r--r-- | py/parse.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/py/parse.c b/py/parse.c index f512eea3b2..0ec336cd1a 100644 --- a/py/parse.c +++ b/py/parse.c @@ -511,6 +511,20 @@ mp_parse_node_t mp_parse(mp_lexer_t *lex, mp_parse_input_kind_t input_kind, mp_p } } +#if 0 && !MICROPY_ENABLE_DOC_STRING + // this code discards lonely statement, such as doc strings + // problem is that doc strings have already been interned, so this doesn't really help reduce RAM usage + if (input_kind != MP_PARSE_SINGLE_INPUT && rule->rule_id == RULE_expr_stmt && peek_result(parser, 0) == MP_PARSE_NODE_NULL) { + mp_parse_node_t p = peek_result(parser, 1); + if (MP_PARSE_NODE_IS_LEAF(p) && !MP_PARSE_NODE_IS_ID(p)) { + pop_result(parser); + pop_result(parser); + push_result_rule(parser, rule_src_line, rules[RULE_pass_stmt], 0); + break; + } + } +#endif + // always emit these rules, even if they have only 1 argument if (rule->rule_id == RULE_expr_stmt || rule->rule_id == RULE_yield_stmt) { emit_rule = true; |