i need help doing the todo

void firth$\_$code$\_$gen$\_$elt$($firth$\_$parse$\_$element $*$ elt, firth$\_$compilation$\_$result $*$result$)\{$

if $($elt$->$type $==$ OP$)\{$

if $($firth$\_$elt$\_$token$\_$equals$($elt$,"."))\{$

strcat$($result$->$lmsm$\_$assembly, "SDUP

SPOP

OUT

$")$;

$\}$ else if $($firth$\_$elt$\_$token$\_$equals$($elt$,"+"))\{$

strcat$($result$->$lmsm$\_$assembly, "SADD

$")$;

$\}$ else if $($firth$\_$elt$\_$token$\_$equals$($elt$,"-"))\{$

strcat$($result$->$lmsm$\_$assembly, "SSUB

$")$;

$//$ TODO $-$ add assembly generation for $*,/,$ max and min

$\}$ else if $($firth$\_$elt$\_$token$\_$equals$($elt$,$ "get"$))\{$

strcat$($result$->$lmsm$\_$assembly, "INP

SPUSH

$")$;

$\}$ else if $($firth$\_$elt$\_$token$\_$equals$($elt$,$ "pop"$))\{$

strcat$($result$->$lmsm$\_$assembly, "SPOP

$")$;

$\}$ else if $($firth$\_$elt$\_$token$\_$equals$($elt$,$ "dup"$))\{$

strcat$($result$->$lmsm$\_$assembly, "SDUP

$")$;

$\}$ else if $($firth$\_$elt$\_$token$\_$equals$($elt$,$ "swap"$))\{$

strcat$($result$->$lmsm$\_$assembly, "SSWAP

$")$;

$\}$ else if $($firth$\_$elt$\_$token$\_$equals$($elt$,$ "return"$))\{$

strcat$($result$->$lmsm$\_$assembly, "RET

$")$;

$\}$

$\}$ else if $($elt$->$type $==$ NUMBER$)\{$

strcat$($result$->$lmsm$\_$assembly, "LDI $")$;

strcat$($result$->$lmsm$\_$assembly, elt$->$token$->$value$)$;

strcat$($result$->$lmsm$\_$assembly, $"$

$")$;

strcat$($result$->$lmsm$\_$assembly, "SPUSH

$")$;

$\}$ else if $($elt$->$type $==$ ZERO$\_$TEST$)\{$

char if$\_$zero$\_$label$[20]$;

sprintf$($if$\_$zero$\_$label, $"$if$\_$zero$\_\%$d$",$ result$->$label$\_$num$++)$;

char end$\_$zero$\_$label$[20]$;

sprintf$($end$\_$zero$\_$label, "end$\_$zero$\_\%$d$",$ result$->$label$\_$num$++)$;

$//$ branch if top of stack zero

strcat$($result$->$lmsm$\_$assembly, "SPOP

BRZ $")$;

if $($elt$->$left$\_$children$->$first$)\{$

strcat$($result$->$lmsm$\_$assembly, if$\_$zero$\_$label$)$;

$\}$ else $\{$

strcat$($result$->$lmsm$\_$assembly, end$\_$zero$\_$label$)$;

$\}$

strcat$($result$->$lmsm$\_$assembly, $"$

$")$;

$//$ generate else

if $($elt$->$right$\_$children$->$first$)\{$

struct firth$\_$parse$\_$element $*$child $=$ elt$->$right$\_$children$->$first;

while $($child $!=$ NULL$)\{$

firth$\_$code$\_$gen$\_$elt$($child$,$ result$)$;

child $=$ child$->$next$\_$sibling;

$\}$

$\}$

$//$ jump to end of zero condition

strcat$($result$->$lmsm$\_$assembly, "BRA $")$;

strcat$($result$->$lmsm$\_$assembly, end$\_$zero$\_$label$)$;

strcat$($result$->$lmsm$\_$assembly, $"$

$")$;

$//$ generate if zero condition

if $($elt$->$left$\_$children$->$first$)\{$

strcat$($result$->$lmsm$\_$assembly, if$\_$zero$\_$label$)$;

strcat$($result$->$lmsm$\_$assembly, $"")$;

struct firth$\_$parse$\_$element $*$child $=$ elt$->$left$\_$children$->$first;

while $($child $!=$ NULL$)\{$

firth$\_$code$\_$gen$\_$elt$($child$,$ result$)$;

child $=$ child$->$next$\_$sibling;

$\}$

$\}$

$//$ label end of zero conditional

strcat$($result$->$lmsm$\_$assembly, end$\_$zero$\_$label$)$;

strcat$($result$->$lmsm$\_$assembly, $"")$;

$\}$ else if $($elt$->$type $==$ CALL$)\{$

strcat$($result$->$lmsm$\_$assembly, "CALL $")$;

strcat$($result$->$lmsm$\_$assembly, elt$->$token$->$value$)$;

strcat$($result$->$lmsm$\_$assembly, $"$

$")$;

$\}$ else if $($elt$->$type $==$ DEF$)\{$

$//$ function label

strcat$($result$->$lmsm$\_$assembly, elt$->$name$->$value$)$;

strcat$($result$->$lmsm$\_$assembly, $"")$;

$//$ function body

if $($elt$->$left$\_$children$->$first$)\{$

struct firth$\_$parse$\_$element $*$child $=$ elt$->$left$\_$children$->$first;

while $($child $!=$ NULL$)\{$

firth$\_$code$\_$gen$\_$elt$($child$,$ result$)$;

child $=$ child$->$next$\_$sibling;

$\}$

$\}$

$//$ always append a RET

strcat$($result$->$lmsm$\_$assembly, "RET

$")$;

$\}$

$\}$

firth$\_$parse$\_$element $*$firth$\_$parse$\_$op$($firth$\_$tokens $*$tokens$,$ firth$\_$compilation$\_$result $*$result$)\{$

if $($firth$\_$match$\_$token$("+",$ tokens$)||$

firth$\_$match$\_$token$("-",$ tokens$)||$

$//$ TODO $-$ add $*,/,$ max and min

firth$\_$match$\_$token$("$get$",$ tokens$)||$

firth$\_$match$\_$token$("$dup$",$ tokens$)||$

firth$\_$match$\_$token$("$pop$",$ tokens$)||$

firth$\_$match$\_$token$("$swap$",$ tokens$)||$

firth$\_$match$\_$token$("$return$",$ tokens$)||$

firth$\_$match$\_$token$(".",$ tokens$))\{$

return firth$\_$make$\_$elt$($firth$\_$take$\_$token$($tokens$),$ OP$)$;

$\}$

return NULL;

$\}$