From 6b47e3f82cfb52d41fef8882d7e132f43a7611d6 Mon Sep 17 00:00:00 2001 From: Takashi Kokubun Date: Mon, 16 Mar 2026 12:24:01 -0700 Subject: [ruby/prism] Fix not binding power in endless methods [Backport #21097] Change rescue modifier binding power from PM_BINDING_POWER_COMPOSITION to PM_BINDING_POWER_MATCH + 1, so that `x = a rescue b in c` is parsed as `(x = (a rescue b)) in c` and `def f = a rescue b in c` is parsed as `(def f = (a rescue b)) in c`. https://github.com/ruby/prism/commit/7e797f59ae --- prism/prism.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/prism/prism.c b/prism/prism.c index 222bb2dac2..468c270397 100644 --- a/prism/prism.c +++ b/prism/prism.c @@ -18956,7 +18956,7 @@ parse_expression_prefix(pm_parser_t *parser, pm_binding_power_t binding_power, b context_push(parser, PM_CONTEXT_RESCUE_MODIFIER); pm_token_t rescue_keyword = parser->previous; - pm_node_t *value = parse_expression(parser, pm_binding_powers[PM_TOKEN_KEYWORD_RESCUE_MODIFIER].right, false, false, PM_ERR_RESCUE_MODIFIER_VALUE, (uint16_t) (depth + 1)); + pm_node_t *value = parse_expression(parser, PM_BINDING_POWER_MATCH + 1, false, false, PM_ERR_RESCUE_MODIFIER_VALUE, (uint16_t) (depth + 1)); context_pop(parser); statement = UP(pm_rescue_modifier_node_create(parser, statement, &rescue_keyword, value)); @@ -20253,7 +20253,7 @@ parse_assignment_value(pm_parser_t *parser, pm_binding_power_t previous_binding_ pm_token_t rescue = parser->current; parser_lex(parser); - pm_node_t *right = parse_expression(parser, pm_binding_powers[PM_TOKEN_KEYWORD_RESCUE_MODIFIER].right, false, false, PM_ERR_RESCUE_MODIFIER_VALUE, (uint16_t) (depth + 1)); + pm_node_t *right = parse_expression(parser, PM_BINDING_POWER_MATCH + 1, false, false, PM_ERR_RESCUE_MODIFIER_VALUE, (uint16_t) (depth + 1)); context_pop(parser); return UP(pm_rescue_modifier_node_create(parser, value, &rescue, right)); @@ -20359,7 +20359,7 @@ parse_assignment_values(pm_parser_t *parser, pm_binding_power_t previous_binding } } - pm_node_t *right = parse_expression(parser, pm_binding_powers[PM_TOKEN_KEYWORD_RESCUE_MODIFIER].right, accepts_command_call_inner, false, PM_ERR_RESCUE_MODIFIER_VALUE, (uint16_t) (depth + 1)); + pm_node_t *right = parse_expression(parser, PM_BINDING_POWER_MATCH + 1, accepts_command_call_inner, false, PM_ERR_RESCUE_MODIFIER_VALUE, (uint16_t) (depth + 1)); context_pop(parser); return UP(pm_rescue_modifier_node_create(parser, value, &rescue, right)); -- cgit v1.2.3