version 1.1, 1998/04/12 21:49:13
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version 1.5, 1999/02/16 06:32:28
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1 cells Constant cell |
: method ( m v -- m' v ) \ mini-oof |
: method ( m v -- m' v ) Create over , swap cell+ swap |
\G Define a method. |
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Create over , swap cell+ swap |
DOES> ( ... o -- ... ) @ over @ + @ execute ; |
DOES> ( ... o -- ... ) @ over @ + @ execute ; |
: var ( m v size -- m v' ) Create over , + |
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: var ( m v size -- m v' ) \ mini-oof |
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\G Define a variable with @var{size} bytes. |
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Create over , + |
DOES> ( o -- addr ) @ + ; |
DOES> ( o -- addr ) @ + ; |
: class ( class -- class methods vars ) dup 2@ ; |
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: end-class ( class methods vars -- ) |
: class ( class -- class methods vars ) \ mini-oof |
Create here >r , dup , 2 cells ?DO ['] noop , cell +LOOP |
\G Start the definition of a class. |
cell+ dup cell+ swap @ 2 - cells r> 2 cells + swap move ; |
dup 2@ ; |
: defines ( xt class -- ) ' >body @ + ! ; |
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: 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 |
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cell+ dup cell+ r> rot @ 2 cells /string move ; |
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: defines ( xt class "name" -- ) \ mini-oof |
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\G Bind @var{xt} to the method @var{name} in class @var{class}. |
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' >body @ + ! ; |
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: new ( class -- o ) \ mini-oof |
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\G Create a new incarnation of the class @var{class}. |
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here over @ allot swap over ! ; |
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: :: ( class "name" -- ) \ mini-oof colon-colon |
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\G Compile the method @var{name} of the class @var{class} (not immediate!). |
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' >body @ + @ compile, ; |
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Create object ( -- a-addr ) \ mini-oof |
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1 cells , 2 cells , |
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\G @var{object} is the base class of all objects. |