зеркало из https://github.com/github/ruby.git
[ruby/prism] Check a token after targets more strictly
(https://github.com/ruby/prism/pull/1878) Fix https://github.com/ruby/prism/pull/1832 https://github.com/ruby/prism/commit/060bcc81a8
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@ -10692,8 +10692,12 @@ static pm_node_t *
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parse_target_validate(pm_parser_t *parser, pm_node_t *target) {
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pm_node_t *result = parse_target(parser, target);
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// Ensure that we have either an = or a ) after the targets.
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if (!match3(parser, PM_TOKEN_EQUAL, PM_TOKEN_PARENTHESIS_RIGHT, PM_TOKEN_KEYWORD_IN)) {
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// Ensure that we have one of an =, an 'in' in for indexes, and a ')' in parens after the targets.
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if (
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!match1(parser, PM_TOKEN_EQUAL) &&
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!(context_p(parser, PM_CONTEXT_FOR_INDEX) && match1(parser, PM_TOKEN_KEYWORD_IN)) &&
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!(context_p(parser, PM_CONTEXT_PARENS) && match1(parser, PM_TOKEN_PARENTHESIS_RIGHT))
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) {
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pm_parser_err_node(parser, result, PM_ERR_WRITE_TARGET_UNEXPECTED);
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}
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@ -13746,7 +13750,9 @@ parse_expression_prefix(pm_parser_t *parser, pm_binding_power_t binding_power) {
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// Otherwise, we're going to parse the first statement in the list
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// of statements within the parentheses.
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pm_accepts_block_stack_push(parser, true);
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context_push(parser, PM_CONTEXT_PARENS);
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pm_node_t *statement = parse_expression(parser, PM_BINDING_POWER_STATEMENT, PM_ERR_CANNOT_PARSE_EXPRESSION);
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context_pop(parser);
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// Determine if this statement is followed by a terminator. In the
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// case of a single statement, this is fine. But in the case of
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@ -1225,6 +1225,11 @@ module Prism
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assert_error_messages "Foo::foo,", error_messages
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assert_error_messages "foo[foo],", error_messages
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assert_error_messages "(foo, bar)", error_messages
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assert_error_messages "foo((foo, bar))", error_messages
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assert_error_messages "foo((*))", error_messages
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assert_error_messages "foo(((foo, bar), *))", error_messages
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assert_error_messages "(foo, bar) + 1", error_messages
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assert_error_messages "(foo, bar) in baz", error_messages
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end
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def test_call_with_block_and_write
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