diff options
Diffstat (limited to 'py/parse.c')
| -rw-r--r-- | py/parse.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/py/parse.c b/py/parse.c index 3a108964b..08a403401 100644 --- a/py/parse.c +++ b/py/parse.c @@ -742,11 +742,30 @@ mp_parse_tree_t mp_parse(mp_lexer_t *lex, mp_parse_input_kind_t input_kind) { parser.rule_stack_alloc = MICROPY_ALLOC_PARSE_RULE_INIT; parser.rule_stack_top = 0; - parser.rule_stack = m_new(rule_stack_t, parser.rule_stack_alloc); + parser.rule_stack = NULL; + while (parser.rule_stack_alloc > 1) { + parser.rule_stack = m_new_maybe(rule_stack_t, parser.rule_stack_alloc); + if (parser.rule_stack != NULL) { + break; + } else { + parser.rule_stack_alloc /= 2; + } + } parser.result_stack_alloc = MICROPY_ALLOC_PARSE_RESULT_INIT; parser.result_stack_top = 0; - parser.result_stack = m_new(mp_parse_node_t, parser.result_stack_alloc); + parser.result_stack = NULL; + while (parser.result_stack_alloc > 1) { + parser.result_stack = m_new_maybe(mp_parse_node_t, parser.result_stack_alloc); + if (parser.result_stack != NULL) { + break; + } else { + parser.result_stack_alloc /= 2; + } + } + if (parser.rule_stack == NULL || parser.result_stack == NULL) { + mp_raise_msg(&mp_type_MemoryError, "Unable to init parser"); + } parser.lexer = lex; |