version 1.2, 1997/06/06 17:28:16
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version 1.9, 1999/05/03 09:46:20
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\ words with non-default and non-immediate compilation semantics |
\ words with non-default and non-immediate compilation semantics |
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\ Copyright (C) 1996 Free Software Foundation, Inc. |
\ Copyright (C) 1996,1998 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ this file comes last, because these words override cross' words. |
\ this file comes last, because these words override cross' words. |
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create s"-buffer /line chars allot |
create s"-buffer /line chars allot |
:noname [char] " parse |
has? compiler 0= |
/line min >r s"-buffer r@ cmove |
[IF] : s" [ELSE] :noname [THEN] |
s"-buffer r> ; |
[char] " parse |
:noname [char] " parse postpone SLiteral ; |
/line min >r s"-buffer r@ cmove |
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s"-buffer r> ; |
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has? compiler [IF] |
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:noname [char] " parse postpone SLiteral ; |
interpret/compile: S" ( compilation 'ccc"' -- ; run-time -- c-addr u ) \ core,file s-quote |
interpret/compile: S" ( compilation 'ccc"' -- ; run-time -- c-addr u ) \ core,file s-quote |
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\G Compilation: Parse a string ccc delimited by a " (double quote). At run-time, |
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\G return the length, u, and the start address, c-addr of the string. Interpretation: |
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\G parse the string as before, and return c-addr, u. The string is stored in a |
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\G temporary buffer which may be overwritten by subsequent uses of @code{S"}. |
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[THEN] |
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has? compiler [IF] |
: [IS] ( compilation "name" -- ; run-time xt -- ) \ possibly-gforth bracket-is |
: [IS] ( compilation "name" -- ; run-time xt -- ) \ possibly-gforth bracket-is |
' >body postpone ALiteral postpone ! ; immediate restrict |
' >body postpone ALiteral postpone ! ; immediate restrict |
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Line 41 interpret/compile: What's ( "name" -- ad
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Line 50 interpret/compile: What's ( "name" -- ad
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:noname [char] " parse type ; |
:noname [char] " parse type ; |
:noname postpone (.") ," align ; |
:noname postpone (.") ," align ; |
interpret/compile: ." ( compilation 'ccc"' -- ; run-time -- ) \ core dot-quote |
interpret/compile: ." ( compilation 'ccc"' -- ; run-time -- ) \ core dot-quote |
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\G Compilation: Parse a string ccc delimited by a " (double quote). At run-time, |
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\G display the string. Interpretation semantics for this word are undefined in |
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\G the ANS Forth Standard. Gforth's interpretation semantics are to display the |
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\G string. This is the simplest way to display a string from |
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\G within a definition; see examples below. |
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\ DOES> 17mar93py |
\ DOES> 17mar93py |
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Line 48 interpret/compile: ." ( compilation 'ccc
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Line 62 interpret/compile: ." ( compilation 'ccc
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dodoes, here !does ] |
dodoes, here !does ] |
defstart :-hook ; |
defstart :-hook ; |
:noname |
:noname |
;-hook postpone (does>) ?struc dodoes, |
;-hook ?struc exit-like postpone (does>) dodoes, |
defstart :-hook ; |
defstart :-hook ; |
interpret/compile: DOES> ( compilation colon-sys1 -- colon-sys2 ; run-time nest-sys -- ) \ core does |
interpret/compile: DOES> ( compilation colon-sys1 -- colon-sys2 ; run-time nest-sys -- ) \ core does |
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' IS Alias TO ( addr "name" -- ) \ core-ext |
' IS Alias TO ( addr "name" -- ) \ core-ext |
immediate |
immediate |
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[THEN] |
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has? compiler [IF] |
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: interpret/compile? ( xt -- flag ) |
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>does-code ['] S" >does-code = ; |
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[ELSE] |
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: interpret/compile? |
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false ; |
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[THEN] |
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