Diff for /gforth/glocals.fs between versions 1.36 and 1.44

version 1.36, 1998/10/10 10:28:34 version 1.44, 2000/08/09 20:04:05
Line 1 Line 1
 \ A powerful locals implementation  \ A powerful locals implementation
   
 \ Copyright (C) 1995 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 129  require float.fs Line 129  require float.fs
 slowvoc @  slowvoc @
 slowvoc on \ we want a linked list for the vocabulary locals  slowvoc on \ we want a linked list for the vocabulary locals
 vocabulary locals \ this contains the local variables  vocabulary locals \ this contains the local variables
 ' locals >body ' locals-list >body !  ' locals >body wordlist-id ' locals-list >body !
 slowvoc !  slowvoc !
   
 create locals-buffer 1000 allot \ !! limited and unsafe  create locals-buffer 1000 allot \ !! limited and unsafe
Line 195  variable locals-dp \ so here's the speci Line 195  variable locals-dp \ so here's the speci
     faligned nip ;      faligned nip ;
   
 : set-locals-size-list ( list -- )  : set-locals-size-list ( list -- )
     dup locals-list wordlist-id !      dup locals-list !
     list-size locals-size ! ;      list-size locals-size ! ;
   
 : check-begin ( list -- )  : check-begin ( list -- )
 \ warn if list is not a sublist of locals-list  \ warn if list is not a sublist of locals-list
  locals-list wordlist-id @ sub-list? 0= if   locals-list @ sub-list? 0= if
    \ !! print current position     \ !! print current position
    ." compiler was overly optimistic about locals at a BEGIN" cr     ." compiler was overly optimistic about locals at a BEGIN" cr
    \ !! print assumption and reality     \ !! print assumption and reality
Line 292  locals-types definitions Line 292  locals-types definitions
         postpone laddr# @ lp-offset, ;          postpone laddr# @ lp-offset, ;
   
 \ you may want to make comments in a locals definitions group:  \ you may want to make comments in a locals definitions group:
 ' \ alias \ immediate  ' \ alias \ ( compilation 'ccc<newline>' -- ; run-time -- ) \ core-ext,block-ext backslash
 ' ( alias ( immediate  \G Comment till the end of the line if @code{BLK} contains 0 (i.e.,
   \G while not loading a block), parse and discard the remainder of the
   \G parse area. Otherwise, parse and discard all subsequent characters
   \G in the parse area corresponding to the current line.
   immediate
   
   ' ( alias ( ( compilation 'ccc<close-paren>' -- ; run-time -- ) \ core,file     paren
   \G Comment, usually till the next @code{)}: parse and discard all
   \G subsequent characters in the parse area until ")" is
   \G encountered. During interactive input, an end-of-line also acts as
   \G a comment terminator. For file input, it does not; if the
   \G end-of-file is encountered whilst parsing for the ")" delimiter,
   \G Gforth will generate a warning.
   immediate
   
 forth definitions  forth definitions
   
Line 311  also locals-types Line 324  also locals-types
 \ the returned nfa denotes a word that produces what W: produces  \ the returned nfa denotes a word that produces what W: produces
 \ !! do the whole thing without nextname  \ !! do the whole thing without nextname
     drop nextname      drop nextname
     ['] W: >name ;      ['] W: >head-noprim ;
   
 previous  previous
   
Line 324  create new-locals-map ( -- wordlist-map Line 337  create new-locals-map ( -- wordlist-map
 ' drop A, \ rehash method  ' drop A, \ rehash method
 ' drop A,  ' drop A,
   
 slowvoc @  new-locals-map mappedwordlist Constant new-locals-wl
 slowvoc on  
 vocabulary new-locals  \ slowvoc @
 slowvoc !  \ slowvoc on
 new-locals-map ' new-locals >body wordlist-map A! \ !! use special access words  \ vocabulary new-locals
   \ slowvoc !
   \ new-locals-map ' new-locals >body wordlist-map A! \ !! use special access words
   
 variable old-dpp  variable old-dpp
   
Line 337  variable old-dpp Line 352  variable old-dpp
     dp old-dpp !      dp old-dpp !
     locals-dp dpp !      locals-dp dpp !
     lastxt get-current      lastxt get-current
     also new-locals      get-order new-locals-wl swap 1+ set-order
     also locals definitions locals-types      also locals definitions locals-types
     0 TO locals-wordlist      0 TO locals-wordlist
     0 postpone [ ; immediate      0 postpone [ ; immediate
Line 356  locals-types definitions Line 371  locals-types definitions
     locals-size @ alignlp-f locals-size ! \ the strictest alignment      locals-size @ alignlp-f locals-size ! \ the strictest alignment
     previous previous      previous previous
     set-current lastcfa !      set-current lastcfa !
     locals-list TO locals-wordlist ;      locals-list 0 wordlist-id - TO locals-wordlist ;
   
 : -- ( addr wid 0 ... -- ) \ gforth dash-dash  : -- ( addr wid 0 ... -- ) \ gforth dash-dash
     }      }
Line 460  forth definitions Line 475  forth definitions
     cs-push-part scopestart ; immediate      cs-push-part scopestart ; immediate
   
 : adjust-locals-list ( wid -- )  : adjust-locals-list ( wid -- )
     locals-list wordlist-id @ common-list      locals-list @ common-list
     dup list-size adjust-locals-size      dup list-size adjust-locals-size
     locals-list wordlist-id ! ;      locals-list ! ;
   
 : endscope ( compilation scope -- ; run-time  -- ) \ gforth  : endscope ( compilation scope -- ; run-time  -- ) \ gforth
     scope?      scope?
Line 477  forth definitions Line 492  forth definitions
     clear-leave-stack      clear-leave-stack
     0 locals-size !      0 locals-size !
     locals-buffer locals-dp !      locals-buffer locals-dp !
     0 locals-list wordlist-id !      0 locals-list !
     dead-code off      dead-code off
     defstart ;      defstart ;
   

Removed from v.1.36  
changed lines
  Added in v.1.44


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