adoc/p_ifbreak.adoc

   1 // control.asm: WORD p_ifbreak,'IFBREAK',fasm
   2
   3 anchor:p_ifbreak[]
   4
   5 === Word: IFBREAK
   6
   7 ....
   8 Data stack: Compiling: ( -- a )
   9 ....
  10
  11 "IFBREAK" is an immediate function word that is used together with
  12 <<p_begin,BEGIN>>, <<p_ifagain,IFAGAIN>> and <<p_end,END>> to
  13 implement structured execution control. IFBREAK simply places the
  14 address for resolving branches from this point the end of the block
  15 during execution.