diff --git a/py/compile.c b/py/compile.c index 81a9dc9eaa..2c44fc452c 100644 --- a/py/compile.c +++ b/py/compile.c @@ -1677,39 +1677,21 @@ void compile_if_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) { EMIT_ARG(label_assign, l_fail); - if (!MP_PARSE_NODE_IS_NULL(pns->nodes[2])) { - // compile elif blocks + // compile elif blocks (if any) + mp_parse_node_t *pn_elif; + int n_elif = list_get(&pns->nodes[2], PN_if_stmt_elif_list, &pn_elif); + for (int i = 0; i < n_elif; i++) { + assert(MP_PARSE_NODE_IS_STRUCT_KIND(pn_elif[i], PN_if_stmt_elif)); // should be + mp_parse_node_struct_t *pns_elif = (mp_parse_node_struct_t*)pn_elif[i]; - mp_parse_node_struct_t *pns_elif = (mp_parse_node_struct_t*)pns->nodes[2]; + l_fail = comp_next_label(comp); + c_if_cond(comp, pns_elif->nodes[0], false, l_fail); // elif condition - if (MP_PARSE_NODE_STRUCT_KIND(pns_elif) == PN_if_stmt_elif_list) { - // multiple elif blocks - - int n = MP_PARSE_NODE_STRUCT_NUM_NODES(pns_elif); - for (int i = 0; i < n; i++) { - mp_parse_node_struct_t *pns_elif2 = (mp_parse_node_struct_t*)pns_elif->nodes[i]; - l_fail = comp_next_label(comp); - c_if_cond(comp, pns_elif2->nodes[0], false, l_fail); // elif condition - - compile_node(comp, pns_elif2->nodes[1]); // elif block - if (!EMIT(last_emit_was_return_value)) { // simple optimisation to align with CPython - EMIT_ARG(jump, l_end); - } - EMIT_ARG(label_assign, l_fail); - } - - } else { - // a single elif block - - l_fail = comp_next_label(comp); - c_if_cond(comp, pns_elif->nodes[0], false, l_fail); // elif condition - - compile_node(comp, pns_elif->nodes[1]); // elif block - if (!EMIT(last_emit_was_return_value)) { // simple optimisation to align with CPython - EMIT_ARG(jump, l_end); - } - EMIT_ARG(label_assign, l_fail); + compile_node(comp, pns_elif->nodes[1]); // elif block + if (!EMIT(last_emit_was_return_value)) { // simple optimisation to align with CPython + EMIT_ARG(jump, l_end); } + EMIT_ARG(label_assign, l_fail); } // compile else block