--- gforth/blocks.fs 1997/05/29 19:42:12 1.15 +++ gforth/blocks.fs 1998/12/08 22:02:36 1.19 @@ -1,6 +1,6 @@ \ A less simple implementation of the blocks wordset. -\ Copyright (C) 1995 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -32,11 +32,11 @@ require struct.fs struct - 1 cells: field buffer-block \ the block number - 1 cells: field buffer-fid \ the block's fid - 1 cells: field buffer-dirty \ the block dirty flag - chars/block chars: field block-buffer \ the data - 0 cells: field next-buffer + cell% field buffer-block \ the block number + cell% field buffer-fid \ the block's fid + cell% field buffer-dirty \ the block dirty flag + char% chars/block * field block-buffer \ the data + cell% 0 * field next-buffer end-struct buffer-struct Variable block-buffers @@ -46,12 +46,12 @@ $20 Value buffers User block-fid -: block-cold - defers 'cold block-fid off last-block off - buffers buffer-struct drop * allocate throw dup block-buffers ! - buffers buffer-struct drop * erase ; +: block-cold ( -- ) + block-fid off last-block off + buffer-struct buffers * %alloc dup block-buffers ! ( addr ) + buffer-struct %size buffers * erase ; -' block-cold IS 'cold +' block-cold INIT8 chained block-cold @@ -59,9 +59,9 @@ Defer flush-blocks : open-blocks ( addr u -- ) \ gforth \g use the file, whose name is given by @var{addr u}, as blocks file - 2dup ['] open-fpath-file catch 0<> + 2dup open-fpath-file 0<> if - 2drop r/w bin create-file throw + r/w bin create-file throw else rot close-file throw 2dup file-status throw bin open-file throw >r 2drop r> @@ -114,7 +114,7 @@ Defer flush-blocks ' flush IS flush-blocks : get-buffer ( n -- a-addr ) - buffers mod buffer-struct drop * block-buffers @ + ; + buffers mod buffer-struct %size * block-buffers @ + ; : block ( u -- a-addr ) dup 0= -35 and throw @@ -164,8 +164,8 @@ User scr 0 scr ! : load ( i*x n -- j*x ) push-file - dup loadline ! blk ! >in off ( ['] ) interpret ( catch ) - pop-file ( throw ) ; + dup loadline ! blk ! >in off ['] interpret catch + pop-file throw ; : thru ( i*x n1 n2 -- j*x ) 1+ swap ?DO I load LOOP ; @@ -192,4 +192,4 @@ true constant block true constant block-ext set-current -: bye ['] flush catch drop bye ; \ No newline at end of file +: bye ['] flush catch drop bye ;