version 1.8, 1995/11/07 18:06:38
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version 1.17, 1998/12/08 22:02:39
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\ environmental queries |
\ environmental queries |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Create environment-wordlist wordlist drop |
Create environment-wordlist wordlist drop |
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: environment? ( c-addr u -- false / ... true ) |
: environment? ( c-addr u -- false / ... true ) \ core environment-query |
environment-wordlist search-wordlist if |
environment-wordlist search-wordlist if |
execute true |
execute true |
else |
else |
false |
false |
endif ; |
endif ; |
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: e? name environment? 0= ABORT" environmental dependency not existing" ; |
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: has? name environment? 0= IF false THEN ; |
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: $has? environment? 0= IF false THEN ; |
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environment-wordlist set-current |
environment-wordlist set-current |
get-order environment-wordlist swap 1+ set-order |
get-order environment-wordlist swap 1+ set-order |
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Line 42 MAX-CHAR constant /COUNTED-STRING
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Line 48 MAX-CHAR constant /COUNTED-STRING
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ADDRESS-UNIT-BITS cells 2* 2 + constant /HOLD |
ADDRESS-UNIT-BITS cells 2* 2 + constant /HOLD |
&84 constant /PAD |
&84 constant /PAD |
true constant CORE |
true constant CORE |
true constant CORE-EXT? |
true constant CORE-EXT |
1 -3 mod 0< constant FLOORED |
1 -3 mod 0< constant FLOORED |
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1 ADDRESS-UNIT-BITS cells 1- lshift 1- constant MAX-N |
1 ADDRESS-UNIT-BITS cells 1- lshift 1- constant MAX-N |
Line 51 true constant CORE-EXT?
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Line 57 true constant CORE-EXT?
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-1 MAX-N 2constant MAX-D |
-1 MAX-N 2constant MAX-D |
-1. 2constant MAX-UD |
-1. 2constant MAX-UD |
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0 1 2constant gforth \ minor major version |
version-string 2constant gforth \ version string (for versions>0.3.0) |
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\ the version strings of the various versions are guaranteed to be |
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\ sorted lexicographically |
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: return-stack-cells ( -- n ) |
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[ forthstart 6 cells + ] literal @ cell / ; |
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: stack-cells ( -- n ) |
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[ forthstart 4 cells + ] literal @ cell / ; |
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: floating-stack ( -- n ) |
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[ forthstart 5 cells + ] literal @ |
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[IFDEF] float float [ELSE] [ 1 floats ] Literal [THEN] / ; |
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\ !! RETURN-STACK-CELLS |
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\ !! STACK-CELLS |
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\ !! floating-stack |
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\ !! max-float |
\ !! max-float |
15 constant #locals \ 1000 64 / |
15 constant #locals \ 1000 64 / |
\ One local can take up to 64 bytes, the size of locals-buffer is 1000 |
\ One local can take up to 64 bytes, the size of locals-buffer is 1000 |