version 1.54, 2008/05/18 19:30:48
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version 1.60, 2012/02/16 17:13:04
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\ A less simple implementation of the blocks wordset. |
\ A less simple implementation of the blocks wordset. |
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\ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007,2008,2011 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 89 Defer flush-blocks ( -- ) \ gforth
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Line 89 Defer flush-blocks ( -- ) \ gforth
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: use ( "file" -- ) \ gforth |
: use ( "file" -- ) \ gforth |
\g Use @i{file} as the blocks file. |
\g Use @i{file} as the blocks file. |
name open-blocks ; |
name name-too-short? open-blocks ; |
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\ the file is opened as binary file, since it either will contain text |
\ the file is opened as binary file, since it either will contain text |
\ without newlines or binary data |
\ without newlines or binary data |
Line 188 Defer flush-blocks ( -- ) \ gforth
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Line 188 Defer flush-blocks ( -- ) \ gforth
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block ; |
block ; |
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User scr ( -- a-addr ) \ block-ext s-c-r |
User scr ( -- a-addr ) \ block-ext s-c-r |
\G @code{User} variable -- @i{a-addr} is the address of a cell containing |
\G @code{User} variable containing |
\G the block number of the block most recently processed by |
\G the block number of the block most recently processed by |
\G @code{list}. |
\G @code{list}. |
0 scr ! |
0 scr ! |
Line 223 User scr ( -- a-addr ) \ block-ext s-c-r
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Line 223 User scr ( -- a-addr ) \ block-ext s-c-r
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Create block-input A, A, A, A, A, |
Create block-input A, A, A, A, A, |
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: load ( i*x n -- j*x ) \ block |
: load ( i*x u -- j*x ) \ block |
\G Save the current input source specification. Store @i{n} in |
\g Text-interpret block @i{u}. Block 0 cannot be @code{load}ed. |
\G @code{BLK}, set @code{>IN} to 0 and interpret. When the parse |
dup 0= -35 and throw |
\G area is exhausted, restore the input source specification. |
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block-input 0 new-tib dup loadline ! blk ! s" * a block*" loadfilename 2! |
block-input 0 new-tib dup loadline ! blk ! s" * a block*" loadfilename 2! |
['] interpret catch pop-file throw ; |
['] interpret catch pop-file throw ; |
[ELSE] |
[ELSE] |
Line 240 Create block-input A, A, A, A, A,
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Line 239 Create block-input A, A, A, A, A,
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\G @i{c-addr} is the address of the input buffer and @i{u} is the |
\G @i{c-addr} is the address of the input buffer and @i{u} is the |
\G number of characters in it. |
\G number of characters in it. |
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: load ( i*x n -- j*x ) \ block |
: load ( i*x u -- j*x ) \ block |
\G Save the current input source specification. Store @i{n} in |
\g Text-interpret block @i{u}. Block 0 cannot be @code{load}ed. |
\G @code{BLK}, set @code{>IN} to 0 and interpret. When the parse |
dup 0= -35 and throw |
\G area is exhausted, restore the input source specification. |
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s" * a block*" loadfilename>r |
s" * a block*" loadfilename>r |
push-file |
push-file |
dup loadline ! blk ! >in off ['] interpret catch |
dup loadline ! blk ! >in off ['] interpret catch |