Diff for /gforth/environ.fs between versions 1.21 and 1.34

version 1.21, 2000/08/09 20:04:05 version 1.34, 2012/09/17 20:10:23
Line 1 Line 1
 \ environmental queries  \ environmental queries
   
 \ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2007 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
 \ Gforth is free software; you can redistribute it and/or  \ Gforth is free software; you can redistribute it and/or
 \ modify it under the terms of the GNU General Public License  \ modify it under the terms of the GNU General Public License
 \ as published by the Free Software Foundation; either version 2  \ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.  \ of the License, or (at your option) any later version.
   
 \ This program is distributed in the hope that it will be useful,  \ This program is distributed in the hope that it will be useful,
Line 15 Line 15
 \ GNU General Public License for more details.  \ GNU General Public License for more details.
   
 \ You should have received a copy of the GNU General Public License  \ You should have received a copy of the GNU General Public License
 \ along with this program; if not, write to the Free Software  \ along with this program. If not, see http://www.gnu.org/licenses/.
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  
   
 \ wordlist constant environment-wordlist  \ wordlist constant environment-wordlist
   
 Create environment-wordlist ( -- wid ) \ gforth  vocabulary environment ( -- ) \ gforth
   \ for win32forth compatibility
   
   ' environment >body constant environment-wordlist ( -- wid ) \ gforth
   \G @i{wid} identifies the word list that is searched by environmental    \G @i{wid} identifies the word list that is searched by environmental
   \G queries.    \G queries.
   wordlist drop  
   
 : environment? ( c-addr u -- false / ... true ) \ core environment-query  : environment? ( c-addr u -- false / ... true ) \ core environment-query
     \G @i{c-addr, u} specify a counted string. If the string is not      \G @i{c-addr, u} specify a counted string. If the string is not
Line 38  Create environment-wordlist ( -- wid ) \ Line 40  Create environment-wordlist ( -- wid ) \
   
 : e? name environment? 0= ABORT" environmental dependency not existing" ;  : e? name environment? 0= ABORT" environmental dependency not existing" ;
   
 : has? name environment? 0= IF false THEN ;  
   
 : $has? environment? 0= IF false THEN ;  : $has? environment? 0= IF false THEN ;
   
   : has? name $has? ;
   
 environment-wordlist set-current  environment-wordlist set-current
 get-order environment-wordlist swap 1+ set-order  get-order environment-wordlist swap 1+ set-order
   
Line 86  true constant CORE-EXT ( -- f ) \ enviro Line 88  true constant CORE-EXT ( -- f ) \ enviro
 \G Largest usable unsigned double.  \G Largest usable unsigned double.
   
 version-string 2constant gforth ( -- c-addr u ) \ gforth-environment  version-string 2constant gforth ( -- c-addr u ) \ gforth-environment
 \G Counted string representing a version string for this version of Gforth  \G Counted string representing a version string for this version of
 \G (for versions>0.3.0).  \G Gforth (for versions>0.3.0).  The version strings of the various
 \ the version strings of the various versions are guaranteed to be  \G versions are guaranteed to be ordered lexicographically.
 \ sorted lexicographically  
   
 : return-stack-cells ( -- n ) \ environment  : return-stack-cells ( -- n ) \ environment
     \G Maximum size of the return stack, in cells.      \G Maximum size of the return stack, in cells.
     [ forthstart 6 cells + ] literal @ cell / ;      [ forthstart 6 cells + ] literal @ cell/ ;
   
 : stack-cells ( -- n ) \ environment  : stack-cells ( -- n ) \ environment
     \G Maximum size of the data stack, in cells.      \G Maximum size of the data stack, in cells.
     [ forthstart 4 cells + ] literal @ cell / ;      [ forthstart 4 cells + ] literal @ cell/ ;
   
 : floating-stack ( -- n ) \ environment  : floating-stack ( -- n ) \ environment
     \G @var{n} is non-zero, showing that Gforth maintains a separate      \G @var{n} is non-zero, showing that Gforth maintains a separate
     \G floating-point stack of depth @var{n}.      \G floating-point stack of depth @var{n}.
     [ forthstart 5 cells + ] literal @      [ forthstart 5 cells + ] literal @
     [IFDEF] float  float  [ELSE]  [ 1 floats ] Literal [THEN] / ;      [IFDEF] float/  float/  [ELSE]  [ 1 floats ] Literal / [THEN] ;
   
 \ !! 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
 maxvp constant wordlists  maxvp constant wordlists

Removed from v.1.21  
changed lines
  Added in v.1.34


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