call-height ( #call -- n )

Vocabulary

compiler.cfg.builder.blocks

Inputs

#call

a #call

Outputs

n

a number

Word description

Calculates how many items a #call will add or remove from the data stack.

Examples

USING: compiler.cfg.builder.blocks compiler.tree.builder prettyprint sequences ; [ 3append ] build-tree second call-height .
-2

Definition

USING: accessors kernel math sequences ;

IN: compiler.cfg.builder.blocks

: call-height ( #call -- n )
    [ out-d>> length ] [ in-d>> length ] bi - ;