Feature #12387 ยป 0001-ripper-dispatch-new-parser-event-kwrest_param-on-f_k.patch
parse.y | ||
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f_kwrest : kwrest_mark tIDENTIFIER
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{
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shadowing_lvar(get_id($2));
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/*%%%*/
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$$ = $2;
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/*%
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$$ = dispatch1(kwrest_param, $2);
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%*/
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}
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| kwrest_mark
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{
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/*%%%*/
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$$ = internal_id();
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arg_var($$);
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/*%
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$$ = dispatch1(kwrest_param, Qnil);
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%*/
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}
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;
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test/ripper/dummyparser.rb | ||
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"*#{var}"
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end
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def on_kwrest_param(var)
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"**#{var}"
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end
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def on_blockarg(var)
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"&#{var}"
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end
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test/ripper/test_parser_events.rb | ||
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thru_params = false
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parse('a {|**x|}', :on_params) {|_, *v| thru_params = true; arg = v}
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assert_equal true, thru_params
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assert_equal [nil, nil, nil, nil, nil, "x", nil], arg
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assert_equal [nil, nil, nil, nil, nil, "**x", nil], arg
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end
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def test_paren
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... | ... | |
assert_equal true, thru_rest_param
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end
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def test_kwrest_param
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thru_kwrest = false
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parse('def a(**) end', :on_kwrest_param) {|n, val| thru_kwrest = val}
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assert_equal nil, thru_kwrest
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thru_kwrest = false
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parse('def a(**x) end', :on_kwrest_param) {|n, val| thru_kwrest = val}
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assert_equal "x", thru_kwrest
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end
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def test_retry
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thru_retry = false
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parse('retry', :on_retry) {thru_retry = true}
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