--- gforth/blocks.fs 2003/01/19 23:35:29 1.37 +++ gforth/blocks.fs 2007/02/18 18:59:40 1.49 @@ -1,6 +1,6 @@ \ A less simple implementation of the blocks wordset. -\ Copyright (C) 1995-2003 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997,1998,2000,2003,2006 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -64,7 +64,10 @@ User block-offset ( -- addr ) \ gforth buffer-struct buffers * %alloc dup block-buffers ! ( addr ) buffer-struct %size buffers * erase ; -' block-cold INIT8 chained +:noname ( -- ) + defers 'cold + block-cold +; is 'cold block-cold @@ -75,11 +78,12 @@ Defer flush-blocks ( -- ) \ gforth try ( c-addr u ) 2dup open-fpath-file throw rot close-file throw 2dup file-status throw bin open-file throw - >r 2drop r> - recover ( c-addr u ior ) + >r 2drop r> 0 + restore endtry + ?dup-if ( c-addr u ior ) >r 2dup file-status nip 0= r> and throw \ does it really not exist? r/w bin create-file throw - endtry + then block-fid @ IF flush-blocks block-fid @ close-file throw THEN @@ -112,7 +116,7 @@ Defer flush-blocks ( -- ) \ gforth : save-buffer ( buffer -- ) \ gforth >r - r@ buffer-dirty @ r@ buffer-block @ 0<> and + r@ buffer-dirty @ if r@ buffer-block @ block-position r@ block-buffer chars/block r@ buffer-fid @ write-file throw @@ -216,7 +220,7 @@ User scr ( -- a-addr ) \ block-ext s-c-r \ restore-input :noname blk @ >in @ 2 ; \ save-input :noname 2 ; \ source-id "*a block*" -:noname 1 blk +! 1 loadline +! true ; \ refill +:noname 1 blk +! 1 loadline +! >in off true ; \ refill :noname blk @ block chars/block ; \ source Create block-input A, A, A, A, A, @@ -225,7 +229,7 @@ Create block-input A, A, A, A, A, \G Save the current input source specification. Store @i{n} in \G @code{BLK}, set @code{>IN} to 0 and interpret. When the parse \G area is exhausted, restore the input source specification. - block-input 0 new-tib dup loadline ! blk ! 2 loadfilename# ! + block-input 0 new-tib dup loadline ! blk ! s" * a block*" loadfilename 2! ['] interpret catch pop-file throw ; [ELSE] : (source) ( -- c-addr u ) @@ -242,12 +246,11 @@ Create block-input A, A, A, A, A, \G Save the current input source specification. Store @i{n} in \G @code{BLK}, set @code{>IN} to 0 and interpret. When the parse \G area is exhausted, restore the input source specification. - loadfilename# @ >r - 2 loadfilename# ! \ "*a block*" + s" * a block*" loadfilename>r push-file dup loadline ! blk ! >in off ['] interpret catch pop-file - r> loadfilename# ! + r>loadfilename throw ; [THEN]