Diff for /gforth/mini-oof.fs between versions 1.4 and 1.5

version 1.4, 1998/10/10 10:28:34 version 1.5, 1999/02/16 06:32:28
Line 1 Line 1
 : method ( m v -- m' v ) Create  over , swap cell+ swap  : method ( m v -- m' v ) \ mini-oof
       \G Define a method.
       Create  over , swap cell+ swap
   DOES> ( ... o -- ... ) @ over @ + @ execute ;    DOES> ( ... o -- ... ) @ over @ + @ execute ;
 : var ( m v size -- m v' ) Create  over , +  
   : var ( m v size -- m v' ) \ mini-oof
       \G Define a variable with @var{size} bytes.
       Create  over , +
   DOES> ( o -- addr ) @ + ;    DOES> ( o -- addr ) @ + ;
 : class ( class -- class methods vars ) dup 2@ ;  
 : end-class  ( class methods vars -- )  : class ( class -- class methods vars ) \ mini-oof
   Create  here >r , dup , 2 cells ?DO ['] noop , 1 cells +LOOP      \G Start the definition of a class.
   cell+ dup cell+ r> rot @ 2 cells /string move ;      dup 2@ ;
 : defines ( xt class "name" -- ) ' >body @ + ! ;  
 : new ( class -- o )  here over @ allot swap over ! ;  : end-class  ( class methods vars -- ) \ mini-oof
 : :: ( class "name" -- ) ' >body @ + @ compile, ;      \G End the definition of a class.
 Create object  1 cells , 2 cells ,      Create  here >r , dup , 2 cells ?DO ['] noop , 1 cells +LOOP
       cell+ dup cell+ r> rot @ 2 cells /string move ;
   
   : defines ( xt class "name" -- ) \ mini-oof
       \G Bind @var{xt} to the method @var{name} in class @var{class}.
       ' >body @ + ! ;
   
   : new ( class -- o ) \ mini-oof
       \G Create a new incarnation of the class @var{class}.
       here over @ allot swap over ! ;
   
   : :: ( class "name" -- ) \ mini-oof colon-colon
       \G Compile the method @var{name} of the class @var{class} (not immediate!).
       ' >body @ + @ compile, ;
   
   Create object ( -- a-addr ) \ mini-oof
   1 cells , 2 cells ,
   \G @var{object} is the base class of all objects.

Removed from v.1.4  
changed lines
  Added in v.1.5


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