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[ruby/prism] Check void values in singleton class (class <<)

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Follow up the ruby/ruby#8917 change.

https://github.com/ruby/prism/commit/f6bac4d3bf
This commit is contained in:
TSUYUSATO Kitsune 2023-11-23 00:13:20 +09:00 committed by git
parent 1f06d168ba
commit 6968b289e7
2 changed files with 4 additions and 1 deletions
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2
prism/prism.c
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@ -14546,7 +14546,7 @@ parse_expression_prefix(pm_parser_t *parser, pm_binding_power_t binding_power) {
if (accept1(parser, PM_TOKEN_LESS_LESS)) { if (accept1(parser, PM_TOKEN_LESS_LESS)) {
pm_token_t operator = parser->previous; pm_token_t operator = parser->previous;
pm_node_t *expression = parse_expression(parser, PM_BINDING_POWER_NOT, PM_ERR_EXPECT_EXPRESSION_AFTER_LESS_LESS); pm_node_t *expression = parse_value_expression(parser, PM_BINDING_POWER_NOT, PM_ERR_EXPECT_EXPRESSION_AFTER_LESS_LESS);
pm_parser_scope_push(parser, true); pm_parser_scope_push(parser, true);
accept2(parser, PM_TOKEN_NEWLINE, PM_TOKEN_SEMICOLON); accept2(parser, PM_TOKEN_NEWLINE, PM_TOKEN_SEMICOLON);

3
test/prism/errors_test.rb
View File

@ -1508,6 +1508,8 @@ module Prism
end end
class A < (return) class A < (return)
end end
class << (return)
end
for x in (return) for x in (return)
end end
RUBY RUBY
@ -1520,6 +1522,7 @@ module Prism
[message, 80..86], [message, 80..86],
[message, 110..116], [message, 110..116],
[message, 132..138], [message, 132..138],
[message, 154..160],
], compare_ripper: false # Ripper does not check 'void value expression'. ], compare_ripper: false # Ripper does not check 'void value expression'.
end end