22 lines
936 B
Factor
22 lines
936 B
Factor
USING: compiler.tree help.markup help.syntax kernel sequences vectors
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;
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IN: stack-checker.visitor
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HELP: stack-visitor
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{ $var-description { $link vector } " that collects tree nodes when the SSA tree is built." } ;
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HELP: #>r,
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{ $values { "inputs" sequence } { "outputs" sequence } }
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{ $description "Emits a " { $link #shuffle } " node that copies values from the data stack to the retain stack. This node is primarily outputted by the " { $link dip } " word and its relatives." }
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{ $examples
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{ $example
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"USING: namespaces prettyprint stack-checker.visitor ;"
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"V{ } stack-visitor set { 123 } { 124 } #>r, stack-visitor get ."
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"V{\n T{ #shuffle\n { mapping { { 124 123 } } }\n { in-d { 123 } }\n { out-r { 124 } }\n }\n}"
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}
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} ;
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HELP: #drop,
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{ $values { "values" sequence } }
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{ $description "Outputs a " { $link #shuffle } " instruction which drops one or more values from the data stack." } ;
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