Diff for /gforth/see.fs between versions 1.27 and 1.36

version 1.27, 2000/06/14 20:31:47 version 1.36, 2001/03/28 09:06:57
Line 1 Line 1
 \ SEE.FS       highend SEE for ANSforth                16may93jaw  \ SEE.FS       highend SEE for ANSforth                16may93jaw
   
 \ Copyright (C) 1995 Free Software Foundation, Inc.  \ Copyright (C) 1995,2000 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 16 Line 16
   
 \ 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, write to the Free Software
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   
   
 \ May be cross-compiled  \ May be cross-compiled
Line 28 Line 28
 require look.fs  require look.fs
 require termsize.fs  require termsize.fs
 require wordinfo.fs  require wordinfo.fs
 [IFUNDEF] .name : .name name>string type space ; [THEN]  [IFUNDEF] .name
   : id. ( nt -- ) \ gforth
       \G Print the name of the word represented by @var{nt}.
       \ this name comes from fig-Forth
       name>string type space ;
   
   ' id. alias .id ( nt -- )
   \G F83 name for @code{id.}.
   
   ' id. alias .name ( nt -- )
   \G Gforth <=0.5.0 name for @code{id.}.
   
   [THEN]
   
 decimal  decimal
   
Line 87  DEFER nlcount ' noop IS nlcount Line 99  DEFER nlcount ' noop IS nlcount
                 IF 2drop ELSE XPos +! C-Output @ IF emit ELSE drop THEN                  IF 2drop ELSE XPos +! C-Output @ IF emit ELSE drop THEN
                 THEN ;                  THEN ;
   
 DEFER .string  DEFER .string ( c-addr u n -- )
   
 [IFDEF] Green  [IFDEF] Green
 VARIABLE Colors Colors on  VARIABLE Colors Colors on
Line 242  VARIABLE C-Pass Line 254  VARIABLE C-Pass
     THEN      THEN
     cell+ ;      cell+ ;
   
   : .word ( addr xt -- addr )
       look 0= IF
           drop dup 1 cells - @ dup body> look
           IF
               nip dup ." <" name>string rot wordinfo .string ." >"
           ELSE
               drop ." <" 0 .r ." >"
           THEN
       ELSE
           dup cell+ @ immediate-mask and
           IF
               bl cemit  ." POSTPONE "
           THEN
           dup name>string rot wordinfo .string
       THEN ;
   
   : c-call
       Display? IF  dup @ body> .word bl cemit  THEN  cell+ ;
   
 : .name-without ( addr -- addr )  : .name-without ( addr -- addr )
 \ prints a name without () e.g. (+LOOP) or (s")  \ prints a name without () e.g. (+LOOP) or (s")
   dup 1 cells - @ look     dup 1 cells - @ look 
Line 413  VARIABLE C-Pass Line 444  VARIABLE C-Pass
   
 CREATE C-Table  CREATE C-Table
                 ' lit A,            ' c-lit A,                  ' lit A,            ' c-lit A,
                   ' call A,           ' c-call A,
                 ' (s") A,           ' c-c" A,                  ' (s") A,           ' c-c" A,
                  ' (.") A,          ' c-c" A,                   ' (.") A,          ' c-c" A,
                 ' "lit A,           ' c-c" A,                  ' "lit A,           ' c-c" A,
Line 476  c-extender ! Line 508  c-extender !
                   THEN ;                    THEN ;
   
 : analyse ( a-addr1 -- a-addr2 )  : analyse ( a-addr1 -- a-addr2 )
         Branches @ IF BranchTo? THEN      Branches @ IF BranchTo? THEN
         dup cell+ swap @      dup cell+ swap @
         dup >r DoTable r> swap IF drop EXIT THEN      dup >r DoTable r> swap IF drop EXIT THEN
         Display?      Display?
         IF look 0= IF  drop dup 1 cells - @ .  \ ABORT" SEE: Bua!"      IF
         ELSE          .word bl cemit
             dup cell+ count dup immediate-mask and      ELSE
             IF  bl cemit  ." POSTPONE " THEN          drop
             31 and rot wordinfo .string  THEN  bl cemit      THEN ;
         ELSE drop  
         THEN ;  
   
 : c-init  : c-init
         0 YPos ! 0 XPos !          0 YPos ! 0 XPos !
Line 514  Defer xt-see-xt ( xt -- ) Line 544  Defer xt-see-xt ( xt -- )
     then      then
     space ;      space ;
   
 Defer discode ( addr u -- )  Defer discode ( addr u -- ) \ gforth
 \  hook for the disassembler: disassemble code at addr of length u  \G hook for the disassembler: disassemble code at addr of length u
 ' dump IS discode  ' dump IS discode
   
 : next-head ( addr1 -- addr2 ) \ gforth  : next-head ( addr1 -- addr2 ) \ gforth
Line 535  Defer discode ( addr u -- ) Line 565  Defer discode ( addr u -- )
     then      then
     drop ;      drop ;
                   
 : next-prim ( addr1 -- addr2 )  : next-prim ( addr1 -- addr2 ) \ gforth
     \G find the next primitive after addr1      \G find the next primitive after addr1 (unreliable)
     1+ >r -1 primstart      1+ >r -1 primstart
     begin ( umin head R: boundary )      begin ( umin head R: boundary )
         @ dup          @ dup
     while      while
         tuck name>int >code-address ( head1 umin c-addr )          tuck name>int >code-address ( head1 umin ca R: boundary )
         r@ - umin          r@ - umin
         swap          swap
     repeat      repeat
     drop r> + ;      drop dup r@ negate u>=
       \ "umin+boundary within [0,boundary)" = "umin within [-boundary,0)"
       if ( umin R: boundary ) \ no primitive found behind -> use a default length
           drop 31
       then
       r> + ;
   
 : seecode ( xt -- )  : seecode ( xt -- )
     dup s" Code" .defname      dup s" Code" .defname
Line 598  Defer discode ( addr u -- ) Line 633  Defer discode ( addr u -- )
     dup >body ." 0 " ? ." 0 0 "      dup >body ." 0 " ? ." 0 0 "
     s" Field" .defname cr ;      s" Field" .defname cr ;
   
 : xt-see ( xt -- )  : xt-see ( xt -- ) \ gforth
       \G Decompile the definition represented by @i{xt}.
     cr c-init      cr c-init
     dup >does-code      dup >does-code
     if      if

Removed from v.1.27  
changed lines
  Added in v.1.36


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