Diff for /gforth/prim between versions 1.113 and 1.195

version 1.113, 2003/01/02 16:48:12 version 1.195, 2006/06/09 15:51:24
Line 1 Line 1
 \ Gforth primitives  \ Gforth primitives
   
 \ Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 100 Line 100
 \E s" struct F83Name *" single data-stack type-prefix f83name  \E s" struct F83Name *" single data-stack type-prefix f83name
 \E s" struct Longname *" single data-stack type-prefix longname  \E s" struct Longname *" single data-stack type-prefix longname
 \E   \E 
   \E data-stack   stack-prefix S:
   \E fp-stack     stack-prefix F:
 \E return-stack stack-prefix R:  \E return-stack stack-prefix R:
 \E inst-stream  stack-prefix #  \E inst-stream  stack-prefix #
 \E   \E 
 \E set-current  \E set-current
 \E store-optimization on  \E store-optimization on
 \E ' noop tail-nextp2 ! \ now INST_TAIL just stores, but does not jump  \E ' noop tail-nextp2 ! \ now INST_TAIL just stores, but does not jump
   \E
   \E include-skipped-insts on \ static superinsts include cells for components
   \E                          \ useful for dynamic programming and
   \E                          \ superinsts across entry points
   
 \   \ 
 \   \ 
Line 132 Line 138
 \ throw execute, cfa and NEXT1 out?  \ throw execute, cfa and NEXT1 out?
 \ macroize *ip, ip++, *ip++ (pipelining)?  \ macroize *ip, ip++, *ip++ (pipelining)?
   
   \ Stack caching setup
   
   ifdef(`STACK_CACHE_FILE', `include(STACK_CACHE_FILE)', `include(cache0.vmg)')
   
 \ these m4 macros would collide with identifiers  \ these m4 macros would collide with identifiers
 undefine(`index')  undefine(`index')
 undefine(`shift')  undefine(`shift')
 undefine(`symbols')  undefine(`symbols')
   
   \F 0 [if]
   
   \ run-time routines for non-primitives.  They are defined as
   \ primitives, because that simplifies things.
   
   (docol) ( -- R:a_retaddr )      gforth-internal paren_docol
   ""run-time routine for colon definitions""
   #ifdef NO_IP
   a_retaddr = next_code;
   INST_TAIL;
   goto **(Label *)PFA(CFA);
   #else /* !defined(NO_IP) */
   a_retaddr = (Cell *)IP;
   SET_IP((Xt *)PFA(CFA));
   #endif /* !defined(NO_IP) */
   
   (docon) ( -- w )        gforth-internal paren_docon
   ""run-time routine for constants""
   w = *(Cell *)PFA(CFA);
   #ifdef NO_IP
   INST_TAIL;
   goto *next_code;
   #endif /* defined(NO_IP) */
   
   (dovar) ( -- a_body )   gforth-internal paren_dovar
   ""run-time routine for variables and CREATEd words""
   a_body = PFA(CFA);
   #ifdef NO_IP
   INST_TAIL;
   goto *next_code;
   #endif /* defined(NO_IP) */
   
   (douser) ( -- a_user )  gforth-internal paren_douser
   ""run-time routine for constants""
   a_user = (Cell *)(up+*(Cell *)PFA(CFA));
   #ifdef NO_IP
   INST_TAIL;
   goto *next_code;
   #endif /* defined(NO_IP) */
   
   (dodefer) ( -- )        gforth-internal paren_dodefer
   ""run-time routine for deferred words""
   #ifndef NO_IP
   ip=IP; /* undo any ip updating that may have been performed by NEXT_P0 */
   #endif /* !defined(NO_IP) */
   SUPER_END; /* !! probably unnecessary and may lead to measurement errors */
   VM_JUMP(EXEC1(*(Xt *)PFA(CFA)));
   
   (dofield) ( n1 -- n2 )  gforth-internal paren_field
   ""run-time routine for fields""
   n2 = n1 + *(Cell *)PFA(CFA);
   #ifdef NO_IP
   INST_TAIL;
   goto *next_code;
   #endif /* defined(NO_IP) */
   
   (dodoes) ( -- a_body R:a_retaddr )      gforth-internal paren_dodoes
   ""run-time routine for @code{does>}-defined words""
   #ifdef NO_IP
   a_retaddr = next_code;
   a_body = PFA(CFA);
   INST_TAIL;
   goto **(Label *)DOES_CODE1(CFA);
   #else /* !defined(NO_IP) */
   a_retaddr = (Cell *)IP;
   a_body = PFA(CFA);
   SET_IP(DOES_CODE1(CFA));
   #endif /* !defined(NO_IP) */
   
   (does-handler) ( -- )   gforth-internal paren_does_handler
   ""just a slot to have an encoding for the DOESJUMP, 
   which is no longer used anyway (!! eliminate this)""
   
   \F [endif]
   
 \g control  \g control
   
 noop    ( -- )          gforth  noop    ( -- )          gforth
Line 146  noop ( -- )  gforth Line 231  noop ( -- )  gforth
 call    ( #a_callee -- R:a_retaddr )    new  call    ( #a_callee -- R:a_retaddr )    new
 ""Call callee (a variant of docol with inline argument).""  ""Call callee (a variant of docol with inline argument).""
 #ifdef NO_IP  #ifdef NO_IP
   assert(0);
 INST_TAIL;  INST_TAIL;
 JUMP(a_callee);  JUMP(a_callee);
 #else  #else
Line 165  execute ( xt -- )  core Line 251  execute ( xt -- )  core
 #ifndef NO_IP  #ifndef NO_IP
 ip=IP;  ip=IP;
 #endif  #endif
 IF_spTOS(spTOS = sp[0]);  
 SUPER_END;  SUPER_END;
 EXEC(xt);  VM_JUMP(EXEC1(xt));
   
 perform ( a_addr -- )   gforth  perform ( a_addr -- )   gforth
 ""@code{@@ execute}.""  ""@code{@@ execute}.""
Line 175  perform ( a_addr -- ) gforth Line 260  perform ( a_addr -- ) gforth
 #ifndef NO_IP  #ifndef NO_IP
 ip=IP;  ip=IP;
 #endif  #endif
 IF_spTOS(spTOS = sp[0]);  
 SUPER_END;  SUPER_END;
 EXEC(*(Xt *)a_addr);  VM_JUMP(EXEC1(*(Xt *)a_addr));
 :  :
  @ execute ;   @ execute ;
   
Line 200  lit-perform ( #a_addr -- ) new lit_perfo Line 284  lit-perform ( #a_addr -- ) new lit_perfo
 ip=IP;  ip=IP;
 #endif  #endif
 SUPER_END;  SUPER_END;
 EXEC(*(Xt *)a_addr);  VM_JUMP(EXEC1(*(Xt *)a_addr));
   
 does-exec ( #a_cfa -- R:nest a_pfa )    new     does_exec  does-exec ( #a_cfa -- R:nest a_pfa )    new     does_exec
 #ifdef NO_IP  #ifdef NO_IP
Line 209  assert(0); Line 293  assert(0);
 #else  #else
 a_pfa = PFA(a_cfa);  a_pfa = PFA(a_cfa);
 nest = (Cell)IP;  nest = (Cell)IP;
 IF_spTOS(spTOS = sp[0]);  
 #ifdef DEBUG  #ifdef DEBUG
     {      {
       CFA_TO_NAME(a_cfa);        CFA_TO_NAME(a_cfa);
Line 246  SET_IP((Xt *)a_target); Line 329  SET_IP((Xt *)a_target);
   
 \ condbranch(forthname,stackeffect,restline,code1,code2,forthcode)  \ condbranch(forthname,stackeffect,restline,code1,code2,forthcode)
 \ this is non-syntactical: code must open a brace that is closed by the macro  \ this is non-syntactical: code must open a brace that is closed by the macro
   \ condbranch(forthname,stackeffect,restline,code1,code2,forthcode)
   \ this is non-syntactical: code must open a brace that is closed by the macro
 define(condbranch,  define(condbranch,
 $1 ( `#'a_target $2 ) $3  $1 ( `#'a_target $2 ) $3
 $4      #ifdef NO_IP  $4      #ifdef NO_IP
Line 255  $5 #ifdef NO_IP Line 340  $5 #ifdef NO_IP
 JUMP(a_target);  JUMP(a_target);
 #else  #else
 SET_IP((Xt *)a_target);  SET_IP((Xt *)a_target);
   #endif
   }
   $6
   
   \+glocals
   
   $1-lp+!`#' ( `#'a_target `#'nlocals $2 ) $3_lp_plus_store_number
   $4      #ifdef NO_IP
   INST_TAIL;
   #endif
   $5      lp += nlocals;
   #ifdef NO_IP
   JUMP(a_target);
   #else
   SET_IP((Xt *)a_target);
   #endif
   }
   
   \+
   )
   
   \ version that generates two jumps (not good for PR 15242 workaround)
   define(condbranch_twojump,
   $1 ( `#'a_target $2 ) $3
   $4      #ifdef NO_IP
   INST_TAIL;
   #endif
   $5      #ifdef NO_IP
   JUMP(a_target);
   #else
   SET_IP((Xt *)a_target);
 INST_TAIL; NEXT_P2;  INST_TAIL; NEXT_P2;
 #endif  #endif
 }  }
Line 293  condbranch(?branch,f --,f83 question_bra Line 409  condbranch(?branch,f --,f83 question_bra
   
 \+xconds  \+xconds
   
 ?dup-?branch    ( #a_target f -- f )    new     question_dupe_question_branch  ?dup-?branch    ( #a_target f -- S:... )        new     question_dupe_question_branch
 ""The run-time procedure compiled by @code{?DUP-IF}.""  ""The run-time procedure compiled by @code{?DUP-IF}.""
 if (f==0) {  if (f==0) {
   sp++;  
   IF_spTOS(spTOS = sp[0]);  
 #ifdef NO_IP  #ifdef NO_IP
 INST_TAIL;  INST_TAIL;
 JUMP(a_target);  JUMP(a_target);
 #else  #else
 SET_IP((Xt *)a_target);  SET_IP((Xt *)a_target);
   INST_TAIL; NEXT_P2;  
 #endif  #endif
   } else {
   sp--;
   sp[0]=f;
 }  }
 SUPER_CONTINUE;  
   
 ?dup-0=-?branch ( #a_target f -- ) new  question_dupe_zero_equals_question_branch  ?dup-0=-?branch ( #a_target f -- S:... ) new    question_dupe_zero_equals_question_branch
 ""The run-time procedure compiled by @code{?DUP-0=-IF}.""  ""The run-time procedure compiled by @code{?DUP-0=-IF}.""
 /* the approach taken here of declaring the word as having the stack  
 effect ( f -- ) and correcting for it in the branch-taken case costs a  
 few cycles in that case, but is easy to convert to a CONDBRANCH  
 invocation */  
 if (f!=0) {  if (f!=0) {
   sp--;    sp--;
     sp[0]=f;
 #ifdef NO_IP  #ifdef NO_IP
   JUMP(a_target);    JUMP(a_target);
 #else  #else
   SET_IP((Xt *)a_target);    SET_IP((Xt *)a_target);
   NEXT;  
 #endif  #endif
 }  }
 SUPER_CONTINUE;  
   
 \+  \+
 \fhas? skiploopprims 0= [IF]  \fhas? skiploopprims 0= [IF]
Line 349  condbranch((+loop),n R:nlimit R:n1 -- R: Line 459  condbranch((+loop),n R:nlimit R:n1 -- R:
 /* dependent upon two's complement arithmetic */  /* dependent upon two's complement arithmetic */
 Cell olddiff = n1-nlimit;  Cell olddiff = n1-nlimit;
 n2=n1+n;          n2=n1+n;        
 ,if ((olddiff^(olddiff+n))>=0   /* the limit is not crossed */  ,if (((olddiff^(olddiff+n))    /* the limit is not crossed */
     || (olddiff^n)>=0          /* it is a wrap-around effect */) {       &(olddiff^n))             /* OR it is a wrap-around effect */
       >=0) { /* & is used to avoid having two branches for gforth-native */
 ,:  ,:
  r> swap   r> swap
  r> r> 2dup - >r   r> r> 2dup - >r
Line 379  if (n<0) { Line 490  if (n<0) {
     newdiff = -newdiff;      newdiff = -newdiff;
 }  }
 n2=n1+n;  n2=n1+n;
 ,if (diff>=0 || newdiff<0) {  ,if (((~diff)|newdiff)<0) { /* use | to avoid two branches for gforth-native */
 ,)  ,)
   
 \+  \+
Line 403  if (nstart == nlimit) { Line 514  if (nstart == nlimit) {
     JUMP(a_target);      JUMP(a_target);
 #else  #else
     SET_IP((Xt *)a_target);      SET_IP((Xt *)a_target);
     INST_TAIL; NEXT_P2;  
 #endif  #endif
 }  }
 SUPER_CONTINUE;  
 :  :
   2dup =    2dup =
   IF   r> swap rot >r >r    IF   r> swap rot >r >r
Line 426  if (nstart >= nlimit) { Line 535  if (nstart >= nlimit) {
     JUMP(a_target);      JUMP(a_target);
 #else  #else
     SET_IP((Xt *)a_target);      SET_IP((Xt *)a_target);
     INST_TAIL; NEXT_P2;  
 #endif  #endif
 }  }
 SUPER_CONTINUE;  
 :  :
  swap 2dup   swap 2dup
  r> swap >r swap >r   r> swap >r swap >r
Line 449  if (ustart >= ulimit) { Line 556  if (ustart >= ulimit) {
 JUMP(a_target);  JUMP(a_target);
 #else  #else
 SET_IP((Xt *)a_target);  SET_IP((Xt *)a_target);
 INST_TAIL; NEXT_P2;  
 #endif  #endif
 }  }
 SUPER_CONTINUE;  
 :  :
  swap 2dup   swap 2dup
  r> swap >r swap >r   r> swap >r swap >r
Line 472  if (nstart <= nlimit) { Line 577  if (nstart <= nlimit) {
 JUMP(a_target);  JUMP(a_target);
 #else  #else
 SET_IP((Xt *)a_target);  SET_IP((Xt *)a_target);
 INST_TAIL; NEXT_P2;  
 #endif  #endif
 }  }
 SUPER_CONTINUE;  
 :  :
  swap 2dup   swap 2dup
  r> swap >r swap >r   r> swap >r swap >r
Line 495  if (ustart <= ulimit) { Line 598  if (ustart <= ulimit) {
 JUMP(a_target);  JUMP(a_target);
 #else  #else
 SET_IP((Xt *)a_target);  SET_IP((Xt *)a_target);
 INST_TAIL; NEXT_P2;  
 #endif  #endif
 }  }
 SUPER_CONTINUE;  
 :  :
  swap 2dup   swap 2dup
  r> swap >r swap >r   r> swap >r swap >r
Line 557  cmove ( c_from c_to u -- ) string c_move Line 658  cmove ( c_from c_to u -- ) string c_move
 @i{c-from} to @i{c-to}. The copy proceeds @code{char}-by-@code{char}  @i{c-from} to @i{c-to}. The copy proceeds @code{char}-by-@code{char}
 from low address to high address; i.e., for overlapping areas it is  from low address to high address; i.e., for overlapping areas it is
 safe if @i{c-to}=<@i{c-from}.""  safe if @i{c-to}=<@i{c-from}.""
 while (u-- > 0)  cmove(c_from,c_to,u);
   *c_to++ = *c_from++;  
 :  :
  bounds ?DO  dup c@ I c! 1+  LOOP  drop ;   bounds ?DO  dup c@ I c! 1+  LOOP  drop ;
   
Line 567  cmove> ( c_from c_to u -- ) string c_mov Line 667  cmove> ( c_from c_to u -- ) string c_mov
 @i{c-from} to @i{c-to}. The copy proceeds @code{char}-by-@code{char}  @i{c-from} to @i{c-to}. The copy proceeds @code{char}-by-@code{char}
 from high address to low address; i.e., for overlapping areas it is  from high address to low address; i.e., for overlapping areas it is
 safe if @i{c-to}>=@i{c-from}.""  safe if @i{c-to}>=@i{c-from}.""
 while (u-- > 0)  cmove_up(c_from,c_to,u);
   c_to[u] = c_from[u];  
 :  :
  dup 0= IF  drop 2drop exit  THEN   dup 0= IF  drop 2drop exit  THEN
  rot over + -rot bounds swap 1-   rot over + -rot bounds swap 1-
Line 588  is 1. Currently this is based on the mac Line 687  is 1. Currently this is based on the mac
 comparison. In the future, this may change to consider the current  comparison. In the future, this may change to consider the current
 locale and its collation order.""  locale and its collation order.""
 /* close ' to keep fontify happy */   /* close ' to keep fontify happy */ 
 n = memcmp(c_addr1, c_addr2, u1<u2 ? u1 : u2);  n = compare(c_addr1, u1, c_addr2, u2);
 if (n==0)  
   n = u1-u2;  
 if (n<0)  
   n = -1;  
 else if (n>0)  
   n = 1;  
 :  :
  rot 2dup swap - >r min swap -text dup   rot 2dup swap - >r min swap -text dup
  IF  rdrop  ELSE  drop r> sgn  THEN ;   IF  rdrop  ELSE  drop r> sgn  THEN ;
 : sgn ( n -- -1/0/1 )  : -text ( c_addr1 u c_addr2 -- n )
  dup 0= IF EXIT THEN  0< 2* 1+ ;  
   
 -text   ( c_addr1 u c_addr2 -- n )      new     dash_text  
 n = memcmp(c_addr1, c_addr2, u);  
 if (n<0)  
   n = -1;  
 else if (n>0)  
   n = 1;  
 :  
  swap bounds   swap bounds
  ?DO  dup c@ I c@ = WHILE  1+  LOOP  drop 0   ?DO  dup c@ I c@ = WHILE  1+  LOOP  drop 0
  ELSE  c@ I c@ - unloop  THEN  sgn ;   ELSE  c@ I c@ - unloop  THEN  sgn ;
 : sgn ( n -- -1/0/1 )  : sgn ( n -- -1/0/1 )
  dup 0= IF EXIT THEN  0< 2* 1+ ;   dup 0= IF EXIT THEN  0< 2* 1+ ;
   
   \ -text is only used by replaced primitives now; move it elsewhere
   \ -text ( c_addr1 u c_addr2 -- n )      new     dash_text
   \ n = memcmp(c_addr1, c_addr2, u);
   \ if (n<0)
   \   n = -1;
   \ else if (n>0)
   \   n = 1;
   \ :
   \  swap bounds
   \  ?DO  dup c@ I c@ = WHILE  1+  LOOP  drop 0
   \  ELSE  c@ I c@ - unloop  THEN  sgn ;
   \ : sgn ( n -- -1/0/1 )
   \  dup 0= IF EXIT THEN  0< 2* 1+ ;
   
 toupper ( c1 -- c2 )    gforth  toupper ( c1 -- c2 )    gforth
 ""If @i{c1} is a lower-case character (in the current locale), @i{c2}  ""If @i{c1} is a lower-case character (in the current locale), @i{c2}
 is the equivalent upper-case character. All other characters are unchanged.""  is the equivalent upper-case character. All other characters are unchanged.""
Line 621  c2 = toupper(c1); Line 719  c2 = toupper(c1);
 :  :
  dup [char] a - [ char z char a - 1 + ] Literal u<  bl and - ;   dup [char] a - [ char z char a - 1 + ] Literal u<  bl and - ;
   
 capscomp        ( c_addr1 u c_addr2 -- n )      new  capscompare     ( c_addr1 u1 c_addr2 u2 -- n )  string
 n = memcasecmp(c_addr1, c_addr2, u); /* !! use something that works in all locales */  ""Compare two strings lexicographically. If they are equal, @i{n} is 0; if
 if (n<0)  the first string is smaller, @i{n} is -1; if the first string is larger, @i{n}
   n = -1;  is 1. Currently this is based on the machine's character
 else if (n>0)  comparison. In the future, this may change to consider the current
   n = 1;  locale and its collation order.""
 :  /* close ' to keep fontify happy */ 
  swap bounds  n = capscompare(c_addr1, u1, c_addr2, u2);
  ?DO  dup c@ I c@ <>  
      IF  dup c@ toupper I c@ toupper =  
      ELSE  true  THEN  WHILE  1+  LOOP  drop 0  
  ELSE  c@ toupper I c@ toupper - unloop  THEN  sgn ;  
   
 -trailing       ( c_addr u1 -- c_addr u2 )              string  dash_trailing  
 ""Adjust the string specified by @i{c-addr, u1} to remove all trailing  
 spaces. @i{u2} is the length of the modified string.""  
 u2 = u1;  
 while (u2>0 && c_addr[u2-1] == ' ')  
   u2--;  
 :  
  BEGIN  1- 2dup + c@ bl =  WHILE  
         dup  0= UNTIL  ELSE  1+  THEN ;  
   
 /string ( c_addr1 u1 n -- c_addr2 u2 )  string  slash_string  /string ( c_addr1 u1 n -- c_addr2 u2 )  string  slash_string
 ""Adjust the string specified by @i{c-addr1, u1} to remove @i{n}  ""Adjust the string specified by @i{c-addr1, u1} to remove @i{n}
Line 725  n = n1*n2; Line 809  n = n1*n2;
   
 /       ( n1 n2 -- n )          core    slash  /       ( n1 n2 -- n )          core    slash
 n = n1/n2;  n = n1/n2;
   if(FLOORED_DIV && ((n1^n2) < 0) && (n1%n2 != 0)) n--;
 :  :
  /mod nip ;   /mod nip ;
   
 mod     ( n1 n2 -- n )          core  mod     ( n1 n2 -- n )          core
 n = n1%n2;  n = n1%n2;
   if(FLOORED_DIV && ((n1^n2) < 0) && n!=0) n += n2;
 :  :
  /mod drop ;   /mod drop ;
   
 /mod    ( n1 n2 -- n3 n4 )              core            slash_mod  /mod    ( n1 n2 -- n3 n4 )              core            slash_mod
 n4 = n1/n2;  n4 = n1/n2;
 n3 = n1%n2; /* !! is this correct? look into C standard! */  n3 = n1%n2; /* !! is this correct? look into C standard! */
   if (FLOORED_DIV && ((n1^n2) < 0) && n3!=0) {
     n4--;
     n3+=n2;
   }
 :  :
  >r s>d r> fm/mod ;   >r s>d r> fm/mod ;
   
   */mod   ( n1 n2 n3 -- n4 n5 )   core    star_slash_mod
   ""n1*n2=n3*n5+n4, with the intermediate result (n1*n2) being double.""
   #ifdef BUGGY_LL_MUL
   DCell d = mmul(n1,n2);
   #else
   DCell d = (DCell)n1 * (DCell)n2;
   #endif
   #ifdef BUGGY_LL_DIV
   DCell r = fmdiv(d,n3);
   n4=DHI(r);
   n5=DLO(r);
   #else
   /* assumes that the processor uses either floored or symmetric division */
   n5 = d/n3;
   n4 = d%n3;
   if (FLOORED_DIV && ((DHI(d)^n3)<0) && n4!=0) {
     n5--;
     n4+=n3;
   }
   #endif
   :
    >r m* r> fm/mod ;
   
   */      ( n1 n2 n3 -- n4 )      core    star_slash
   ""n4=(n1*n2)/n3, with the intermediate result being double.""
   #ifdef BUGGY_LL_MUL
   DCell d = mmul(n1,n2);
   #else
   DCell d = (DCell)n1 * (DCell)n2;
   #endif
   #ifdef BUGGY_LL_DIV
   DCell r = fmdiv(d,n3);
   n4=DLO(r);
   #else
   /* assumes that the processor uses either floored or symmetric division */
   n4 = d/n3;
   if (FLOORED_DIV && ((DHI(d)^n3)<0) && (d%n3)!=0) n4--;
   #endif
   :
    */mod nip ;
   
 2*      ( n1 -- n2 )            core            two_star  2*      ( n1 -- n2 )            core            two_star
 ""Shift left by 1; also works on unsigned numbers""  ""Shift left by 1; also works on unsigned numbers""
 n2 = 2*n1;  n2 = 2*n1;
Line 751  division by 2 (note that @code{/} not ne Line 882  division by 2 (note that @code{/} not ne
 n2 = n1>>1;  n2 = n1>>1;
 :  :
  dup MINI and IF 1 ELSE 0 THEN   dup MINI and IF 1 ELSE 0 THEN
  [ bits/byte cell * 1- ] literal    [ bits/char cell * 1- ] literal 
  0 DO 2* swap dup 2* >r MINI and    0 DO 2* swap dup 2* >r MINI and 
      IF 1 ELSE 0 THEN or r> swap       IF 1 ELSE 0 THEN or r> swap
  LOOP nip ;   LOOP nip ;
   
 fm/mod  ( d1 n1 -- n2 n3 )              core            f_m_slash_mod  fm/mod  ( d1 n1 -- n2 n3 )              core            f_m_slash_mod
 ""Floored division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, @i{n1}>@i{n2}>=0 or 0>=@i{n2}>@i{n1}.""  ""Floored division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, @i{n1}>@i{n2}>=0 or 0>=@i{n2}>@i{n1}.""
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_DIV
   #ifdef ASM_SM_SLASH_REM
   ASM_SM_SLASH_REM(d1.lo, d1.hi, n1, n2, n3);
   if (((DHI(d1)^n1)<0) && n2!=0) {
     n3--;
     n2+=n1;
   }
   #else /* !defined(ASM_SM_SLASH_REM) */
 DCell r = fmdiv(d1,n1);  DCell r = fmdiv(d1,n1);
 n2=r.hi;  n2=DHI(r);
 n3=r.lo;  n3=DLO(r);
 #else  #endif /* !defined(ASM_SM_SLASH_REM) */
   #else
   #ifdef ASM_SM_SLASH_REM4
   ASM_SM_SLASH_REM4(d1, n1, n2, n3);
   if (((DHI(d1)^n1)<0) && n2!=0) {
     n3--;
     n2+=n1;
   }
   #else /* !defined(ASM_SM_SLASH_REM4) */
 /* assumes that the processor uses either floored or symmetric division */  /* assumes that the processor uses either floored or symmetric division */
 n3 = d1/n1;  n3 = d1/n1;
 n2 = d1%n1;  n2 = d1%n1;
 /* note that this 1%-3>0 is optimized by the compiler */  /* note that this 1%-3>0 is optimized by the compiler */
 if (1%-3>0 && (d1<0) != (n1<0) && n2!=0) {  if (1%-3>0 && ((DHI(d1)^n1)<0) && n2!=0) {
   n3--;    n3--;
   n2+=n1;    n2+=n1;
 }  }
   #endif /* !defined(ASM_SM_SLASH_REM4) */
 #endif  #endif
 :  :
  dup >r dup 0< IF  negate >r dnegate r>  THEN   dup >r dup 0< IF  negate >r dnegate r>  THEN
Line 780  if (1%-3>0 && (d1<0) != (n1<0) && n2!=0) Line 927  if (1%-3>0 && (d1<0) != (n1<0) && n2!=0)
   
 sm/rem  ( d1 n1 -- n2 n3 )              core            s_m_slash_rem  sm/rem  ( d1 n1 -- n2 n3 )              core            s_m_slash_rem
 ""Symmetric division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, sign(@i{n2})=sign(@i{d1}) or 0.""  ""Symmetric division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, sign(@i{n2})=sign(@i{d1}) or 0.""
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_DIV
   #ifdef ASM_SM_SLASH_REM
   ASM_SM_SLASH_REM(d1.lo, d1.hi, n1, n2, n3);
   #else /* !defined(ASM_SM_SLASH_REM) */
 DCell r = smdiv(d1,n1);  DCell r = smdiv(d1,n1);
 n2=r.hi;  n2=DHI(r);
 n3=r.lo;  n3=DLO(r);
 #else  #endif /* !defined(ASM_SM_SLASH_REM) */
   #else
   #ifdef ASM_SM_SLASH_REM4
   ASM_SM_SLASH_REM4(d1, n1, n2, n3);
   #else /* !defined(ASM_SM_SLASH_REM4) */
 /* assumes that the processor uses either floored or symmetric division */  /* assumes that the processor uses either floored or symmetric division */
 n3 = d1/n1;  n3 = d1/n1;
 n2 = d1%n1;  n2 = d1%n1;
 /* note that this 1%-3<0 is optimized by the compiler */  /* note that this 1%-3<0 is optimized by the compiler */
 if (1%-3<0 && (d1<0) != (n1<0) && n2!=0) {  if (1%-3<0 && ((DHI(d1)^n1)<0) && n2!=0) {
   n3++;    n3++;
   n2-=n1;    n2-=n1;
 }  }
   #endif /* !defined(ASM_SM_SLASH_REM4) */
 #endif  #endif
 :  :
  over >r dup >r abs -rot   over >r dup >r abs -rot
Line 801  if (1%-3<0 && (d1<0) != (n1<0) && n2!=0) Line 956  if (1%-3<0 && (d1<0) != (n1<0) && n2!=0)
  r>        0< IF  swap negate swap  THEN ;   r>        0< IF  swap negate swap  THEN ;
   
 m*      ( n1 n2 -- d )          core    m_star  m*      ( n1 n2 -- d )          core    m_star
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_MUL
 d = mmul(n1,n2);  d = mmul(n1,n2);
 #else  #else
 d = (DCell)n1 * (DCell)n2;  d = (DCell)n1 * (DCell)n2;
Line 813  d = (DCell)n1 * (DCell)n2; Line 968  d = (DCell)n1 * (DCell)n2;
   
 um*     ( u1 u2 -- ud )         core    u_m_star  um*     ( u1 u2 -- ud )         core    u_m_star
 /* use u* as alias */  /* use u* as alias */
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_MUL
 ud = ummul(u1,u2);  ud = ummul(u1,u2);
 #else  #else
 ud = (UDCell)u1 * (UDCell)u2;  ud = (UDCell)u1 * (UDCell)u2;
 #endif  #endif
 :  :
    >r >r 0 0 r> r> [ 8 cells ] literal 0     0 -rot dup [ 8 cells ] literal -
    DO     DO
        over >r dup >r 0< and d2*+ drop          dup 0< I' and d2*+ drop
        r> 2* r> swap     LOOP ;
    LOOP 2drop ;  
 : d2*+ ( ud n -- ud+n c )  : d2*+ ( ud n -- ud+n c )
    over MINI     over MINI
    and >r >r 2dup d+ swap r> + swap r> ;     and >r >r 2dup d+ swap r> + swap r> ;
   
 um/mod  ( ud u1 -- u2 u3 )              core    u_m_slash_mod  um/mod  ( ud u1 -- u2 u3 )              core    u_m_slash_mod
 ""ud=u3*u1+u2, u1>u2>=0""  ""ud=u3*u1+u2, u1>u2>=0""
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_DIV
   #ifdef ASM_UM_SLASH_MOD
   ASM_UM_SLASH_MOD(ud.lo, ud.hi, u1, u2, u3);
   #else /* !defined(ASM_UM_SLASH_MOD) */
 UDCell r = umdiv(ud,u1);  UDCell r = umdiv(ud,u1);
 u2=r.hi;  u2=DHI(r);
 u3=r.lo;  u3=DLO(r);
 #else  #endif /* !defined(ASM_UM_SLASH_MOD) */
   #else
   #ifdef ASM_UM_SLASH_MOD4
   ASM_UM_SLASH_MOD4(ud, u1, u2, u3);
   #else /* !defined(ASM_UM_SLASH_MOD4) */
 u3 = ud/u1;  u3 = ud/u1;
 u2 = ud%u1;  u2 = ud%u1;
   #endif /* !defined(ASM_UM_SLASH_MOD4) */
 #endif  #endif
 :  :
    0 swap [ 8 cells 1 + ] literal 0     0 swap [ 8 cells 1 + ] literal 0
Line 849  u2 = ud%u1; Line 1011  u2 = ud%u1;
    and >r >r 2dup d+ swap r> + swap r> ;     and >r >r 2dup d+ swap r> + swap r> ;
   
 m+      ( d1 n -- d2 )          double          m_plus  m+      ( d1 n -- d2 )          double          m_plus
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_ADD
 d2.lo = d1.lo+n;  DLO_IS(d2, DLO(d1)+n);
 d2.hi = d1.hi - (n<0) + (d2.lo<d1.lo);  DHI_IS(d2, DHI(d1) - (n<0) + (DLO(d2)<DLO(d1)));
 #else  #else
 d2 = d1+n;  d2 = d1+n;
 #endif  #endif
Line 859  d2 = d1+n; Line 1021  d2 = d1+n;
  s>d d+ ;   s>d d+ ;
   
 d+      ( d1 d2 -- d )          double  d_plus  d+      ( d1 d2 -- d )          double  d_plus
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_ADD
 d.lo = d1.lo+d2.lo;  DLO_IS(d, DLO(d1) + DLO(d2));
 d.hi = d1.hi + d2.hi + (d.lo<d1.lo);  DHI_IS(d, DHI(d1) + DHI(d2) + (d.lo<DLO(d1)));
 #else  #else
 d = d1+d2;  d = d1+d2;
 #endif  #endif
Line 869  d = d1+d2; Line 1031  d = d1+d2;
  rot + >r tuck + swap over u> r> swap - ;   rot + >r tuck + swap over u> r> swap - ;
   
 d-      ( d1 d2 -- d )          double          d_minus  d-      ( d1 d2 -- d )          double          d_minus
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_ADD
 d.lo = d1.lo - d2.lo;  DLO_IS(d, DLO(d1) - DLO(d2));
 d.hi = d1.hi-d2.hi-(d1.lo<d2.lo);  DHI_IS(d, DHI(d1)-DHI(d2)-(DLO(d1)<DLO(d2)));
 #else  #else
 d = d1-d2;  d = d1-d2;
 #endif  #endif
Line 880  d = d1-d2; Line 1042  d = d1-d2;
   
 dnegate ( d1 -- d2 )            double  d_negate  dnegate ( d1 -- d2 )            double  d_negate
 /* use dminus as alias */  /* use dminus as alias */
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_ADD
 d2 = dnegate(d1);  d2 = dnegate(d1);
 #else  #else
 d2 = -d1;  d2 = -d1;
Line 890  d2 = -d1; Line 1052  d2 = -d1;
   
 d2*     ( d1 -- d2 )            double          d_two_star  d2*     ( d1 -- d2 )            double          d_two_star
 ""Shift left by 1; also works on unsigned numbers""  ""Shift left by 1; also works on unsigned numbers""
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_SHIFT
 d2.lo = d1.lo<<1;  DLO_IS(d2, DLO(d1)<<1);
 d2.hi = (d1.hi<<1) | (d1.lo>>(CELL_BITS-1));  DHI_IS(d2, (DHI(d1)<<1) | (DLO(d1)>>(CELL_BITS-1)));
 #else  #else
 d2 = 2*d1;  d2 = 2*d1;
 #endif  #endif
Line 902  d2 = 2*d1; Line 1064  d2 = 2*d1;
 d2/     ( d1 -- d2 )            double          d_two_slash  d2/     ( d1 -- d2 )            double          d_two_slash
 ""Arithmetic shift right by 1.  For signed numbers this is a floored  ""Arithmetic shift right by 1.  For signed numbers this is a floored
 division by 2.""  division by 2.""
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_SHIFT
 d2.hi = d1.hi>>1;  DHI_IS(d2, DHI(d1)>>1);
 d2.lo= (d1.lo>>1) | (d1.hi<<(CELL_BITS-1));  DLO_IS(d2, (DLO(d1)>>1) | (DHI(d1)<<(CELL_BITS-1)));
 #else  #else
 d2 = d1>>1;  d2 = d1>>1;
 #endif  #endif
Line 930  w2 = ~w1; Line 1092  w2 = ~w1;
   
 rshift  ( u1 n -- u2 )          core    r_shift  rshift  ( u1 n -- u2 )          core    r_shift
 ""Logical shift right by @i{n} bits.""  ""Logical shift right by @i{n} bits.""
   u2 = u1>>n;  #ifdef BROKEN_SHIFT
     u2 = rshift(u1, n);
   #else
     u2 = u1 >> n;
   #endif
 :  :
     0 ?DO 2/ MAXI and LOOP ;      0 ?DO 2/ MAXI and LOOP ;
   
 lshift  ( u1 n -- u2 )          core    l_shift  lshift  ( u1 n -- u2 )          core    l_shift
   u2 = u1<<n;  #ifdef BROKEN_SHIFT
     u2 = lshift(u1, n);
   #else
     u2 = u1 << n;
   #endif
 :  :
     0 ?DO 2* LOOP ;      0 ?DO 2* LOOP ;
   
Line 999  comparisons(u, u1 u2, u_, u1, u2, gforth Line 1169  comparisons(u, u1 u2, u_, u1, u2, gforth
 \ dcomparisons(prefix, args, prefix, arg1, arg2, wordsets...)  \ dcomparisons(prefix, args, prefix, arg1, arg2, wordsets...)
 define(dcomparisons,  define(dcomparisons,
 $1=     ( $2 -- f )             $6      $3equals  $1=     ( $2 -- f )             $6      $3equals
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_CMP
 f = FLAG($4.lo==$5.lo && $4.hi==$5.hi);  f = FLAG($4.lo==$5.lo && $4.hi==$5.hi);
 #else  #else
 f = FLAG($4==$5);  f = FLAG($4==$5);
 #endif  #endif
   
 $1<>    ( $2 -- f )             $7      $3not_equals  $1<>    ( $2 -- f )             $7      $3not_equals
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_CMP
 f = FLAG($4.lo!=$5.lo || $4.hi!=$5.hi);  f = FLAG($4.lo!=$5.lo || $4.hi!=$5.hi);
 #else  #else
 f = FLAG($4!=$5);  f = FLAG($4!=$5);
 #endif  #endif
   
 $1<     ( $2 -- f )             $8      $3less_than  $1<     ( $2 -- f )             $8      $3less_than
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_CMP
 f = FLAG($4.hi==$5.hi ? $4.lo<$5.lo : $4.hi<$5.hi);  f = FLAG($4.hi==$5.hi ? $4.lo<$5.lo : $4.hi<$5.hi);
 #else  #else
 f = FLAG($4<$5);  f = FLAG($4<$5);
 #endif  #endif
   
 $1>     ( $2 -- f )             $9      $3greater_than  $1>     ( $2 -- f )             $9      $3greater_than
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_CMP
 f = FLAG($4.hi==$5.hi ? $4.lo>$5.lo : $4.hi>$5.hi);  f = FLAG($4.hi==$5.hi ? $4.lo>$5.lo : $4.hi>$5.hi);
 #else  #else
 f = FLAG($4>$5);  f = FLAG($4>$5);
 #endif  #endif
   
 $1<=    ( $2 -- f )             gforth  $3less_or_equal  $1<=    ( $2 -- f )             gforth  $3less_or_equal
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_CMP
 f = FLAG($4.hi==$5.hi ? $4.lo<=$5.lo : $4.hi<=$5.hi);  f = FLAG($4.hi==$5.hi ? $4.lo<=$5.lo : $4.hi<=$5.hi);
 #else  #else
 f = FLAG($4<=$5);  f = FLAG($4<=$5);
 #endif  #endif
   
 $1>=    ( $2 -- f )             gforth  $3greater_or_equal  $1>=    ( $2 -- f )             gforth  $3greater_or_equal
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_CMP
 f = FLAG($4.hi==$5.hi ? $4.lo>=$5.lo : $4.hi>=$5.hi);  f = FLAG($4.hi==$5.hi ? $4.lo>=$5.lo : $4.hi>=$5.hi);
 #else  #else
 f = FLAG($4>=$5);  f = FLAG($4>=$5);
Line 1068  useraddr ( #u -- a_addr ) new Line 1238  useraddr ( #u -- a_addr ) new
 a_addr = (Cell *)(up+u);  a_addr = (Cell *)(up+u);
   
 up!     ( a_addr -- )   gforth  up_store  up!     ( a_addr -- )   gforth  up_store
 UP=up=(char *)a_addr;  gforth_UP=up=(Address)a_addr;
 :  :
  up ! ;   up ! ;
 Variable UP  Variable UP
   
 sp@     ( -- a_addr )           gforth          sp_fetch  sp@     ( S:... -- a_addr )             gforth          sp_fetch
 a_addr = sp+1;  a_addr = sp;
   
 sp!     ( a_addr -- )           gforth          sp_store  sp!     ( a_addr -- S:... )             gforth          sp_store
 sp = a_addr;  sp = a_addr;
 /* works with and without spTOS caching */  
   
 rp@     ( -- a_addr )           gforth          rp_fetch  rp@     ( -- a_addr )           gforth          rp_fetch
 a_addr = rp;  a_addr = rp;
Line 1088  rp = a_addr; Line 1257  rp = a_addr;
   
 \+floating  \+floating
   
 fp@     ( -- f_addr )   gforth  fp_fetch  fp@     ( f:... -- f_addr )     gforth  fp_fetch
 f_addr = fp;  f_addr = fp;
   
 fp!     ( f_addr -- )   gforth  fp_store  fp!     ( f_addr -- f:... )     gforth  fp_store
 fp = f_addr;  fp = f_addr;
   
 \+  \+
Line 1110  rdrop ( R:w -- )  gforth Line 1279  rdrop ( R:w -- )  gforth
 :  :
  r> r> drop >r ;   r> r> drop >r ;
   
 2>r     ( w1 w2 -- R:w1 R:w2 )  core-ext        two_to_r  2>r     ( d -- R:d )    core-ext        two_to_r
 :  :
  swap r> swap >r swap >r >r ;   swap r> swap >r swap >r >r ;
   
 2r>     ( R:w1 R:w2 -- w1 w2 )  core-ext        two_r_from  2r>     ( R:d -- d )    core-ext        two_r_from
 :  :
  r> r> swap r> swap >r swap ;   r> r> swap r> swap >r swap ;
   
 2r@     ( R:w1 R:w2 -- R:w1 R:w2 w1 w2 )        core-ext        two_r_fetch  2r@     ( R:d -- R:d d )        core-ext        two_r_fetch
 :  :
  i' j ;   i' j ;
   
 2rdrop  (  R:w1 R:w2 -- )               gforth  two_r_drop  2rdrop  ( R:d -- )              gforth  two_r_drop
 :  :
  r> r> drop r> drop >r ;   r> r> drop r> drop >r ;
   
Line 1164  tuck ( w1 w2 -- w2 w1 w2 ) core-ext Line 1333  tuck ( w1 w2 -- w2 w1 w2 ) core-ext
 :  :
  swap over ;   swap over ;
   
 ?dup    ( w -- w )                      core    question_dupe  ?dup    ( w -- S:... w )        core    question_dupe
 ""Actually the stack effect is: @code{( w -- 0 | w w )}.  It performs a  ""Actually the stack effect is: @code{( w -- 0 | w w )}.  It performs a
 @code{dup} if w is nonzero.""  @code{dup} if w is nonzero.""
 if (w!=0) {  if (w!=0) {
   IF_spTOS(*sp-- = w;)  
 #ifndef USE_TOS  
   *--sp = w;    *--sp = w;
 #endif  
 }  }
 :  :
  dup IF dup THEN ;   dup IF dup THEN ;
   
 pick    ( u -- w )                      core-ext  pick    ( S:... u -- S:... w )          core-ext
 ""Actually the stack effect is @code{ x0 ... xu u -- x0 ... xu x0 }.""  ""Actually the stack effect is @code{ x0 ... xu u -- x0 ... xu x0 }.""
 w = sp[u+1];  w = sp[u];
 :  :
  1+ cells sp@ + @ ;   1+ cells sp@ + @ ;
   
Line 1342  c_addr2 = c_addr1+1; Line 1508  c_addr2 = c_addr1+1;
   
 \g compiler  \g compiler
   
 (listlfind)     ( c_addr u longname1 -- longname2 )     new     paren_listlfind  \+f83headerstring
 for (; longname1 != NULL; longname1 = (struct Longname *)(longname1->next))  
   if ((UCell)LONGNAME_COUNT(longname1)==u &&  (f83find)       ( c_addr u f83name1 -- f83name2 )       new     paren_f83find
       memcasecmp(c_addr, longname1->name, u)== 0 /* or inline? */)  for (; f83name1 != NULL; f83name1 = (struct F83Name *)(f83name1->next))
     if ((UCell)F83NAME_COUNT(f83name1)==u &&
         memcasecmp(c_addr, f83name1->name, u)== 0 /* or inline? */)
     break;      break;
 longname2=longname1;  f83name2=f83name1;
   :
       BEGIN  dup WHILE  (find-samelen)  dup  WHILE
           >r 2dup r@ cell+ char+ capscomp  0=
           IF  2drop r>  EXIT  THEN
           r> @
       REPEAT  THEN  nip nip ;
   : (find-samelen) ( u f83name1 -- u f83name2/0 )
       BEGIN  2dup cell+ c@ $1F and <> WHILE  @  dup 0= UNTIL  THEN ;
   : capscomp ( c_addr1 u c_addr2 -- n )
    swap bounds
    ?DO  dup c@ I c@ <>
        IF  dup c@ toupper I c@ toupper =
        ELSE  true  THEN  WHILE  1+  LOOP  drop 0
    ELSE  c@ toupper I c@ toupper - unloop  THEN  sgn ;
   : sgn ( n -- -1/0/1 )
    dup 0= IF EXIT THEN  0< 2* 1+ ;
   
   \-
   
   (listlfind)     ( c_addr u longname1 -- longname2 )     new     paren_listlfind
   longname2=listlfind(c_addr, u, longname1);
 :  :
     BEGIN  dup WHILE  (findl-samelen)  dup  WHILE      BEGIN  dup WHILE  (findl-samelen)  dup  WHILE
         >r 2dup r@ cell+ cell+ capscomp  0=          >r 2dup r@ cell+ cell+ capscomp  0=
Line 1356  longname2=longname1; Line 1545  longname2=longname1;
     REPEAT  THEN  nip nip ;      REPEAT  THEN  nip nip ;
 : (findl-samelen) ( u longname1 -- u longname2/0 )  : (findl-samelen) ( u longname1 -- u longname2/0 )
     BEGIN  2dup cell+ @ lcount-mask and <> WHILE  @  dup 0= UNTIL  THEN ;      BEGIN  2dup cell+ @ lcount-mask and <> WHILE  @  dup 0= UNTIL  THEN ;
   : capscomp ( c_addr1 u c_addr2 -- n )
    swap bounds
    ?DO  dup c@ I c@ <>
        IF  dup c@ toupper I c@ toupper =
        ELSE  true  THEN  WHILE  1+  LOOP  drop 0
    ELSE  c@ toupper I c@ toupper - unloop  THEN  sgn ;
   : sgn ( n -- -1/0/1 )
    dup 0= IF EXIT THEN  0< 2* 1+ ;
   
 \+hash  \+hash
   
 (hashlfind)     ( c_addr u a_addr -- longname2 )        new     paren_hashlfind  (hashlfind)     ( c_addr u a_addr -- longname2 )        new     paren_hashlfind
 struct Longname *longname1;  longname2 = hashlfind(c_addr, u, a_addr);
 longname2=NULL;  
 while(a_addr != NULL)  
 {  
    longname1=(struct Longname *)(a_addr[1]);  
    a_addr=(Cell *)(a_addr[0]);  
    if ((UCell)LONGNAME_COUNT(longname1)==u &&  
        memcasecmp(c_addr, longname1->name, u)== 0 /* or inline? */)  
      {  
         longname2=longname1;  
         break;  
      }  
 }  
 :  :
  BEGIN  dup  WHILE   BEGIN  dup  WHILE
         2@ >r >r dup r@ cell+ @ lcount-mask and =          2@ >r >r dup r@ cell+ @ lcount-mask and =
Line 1383  while(a_addr != NULL) Line 1568  while(a_addr != NULL)
   
 (tablelfind)    ( c_addr u a_addr -- longname2 )        new     paren_tablelfind  (tablelfind)    ( c_addr u a_addr -- longname2 )        new     paren_tablelfind
 ""A case-sensitive variant of @code{(hashfind)}""  ""A case-sensitive variant of @code{(hashfind)}""
 struct Longname *longname1;  longname2 = tablelfind(c_addr, u, a_addr);
 longname2=NULL;  
 while(a_addr != NULL)  
 {  
    longname1=(struct Longname *)(a_addr[1]);  
    a_addr=(Cell *)(a_addr[0]);  
    if ((UCell)LONGNAME_COUNT(longname1)==u &&  
        memcmp(c_addr, longname1->name, u)== 0 /* or inline? */)  
      {  
         longname2=longname1;  
         break;  
      }  
 }  
 :  :
  BEGIN  dup  WHILE   BEGIN  dup  WHILE
         2@ >r >r dup r@ cell+ @ lcount-mask and =          2@ >r >r dup r@ cell+ @ lcount-mask and =
Line 1403  while(a_addr != NULL) Line 1576  while(a_addr != NULL)
             IF  2drop r> rdrop  EXIT  THEN  THEN              IF  2drop r> rdrop  EXIT  THEN  THEN
         rdrop r>          rdrop r>
  REPEAT nip nip ;   REPEAT nip nip ;
   : -text ( c_addr1 u c_addr2 -- n )
 (hashkey)       ( c_addr u1 -- u2 )             gforth  paren_hashkey   swap bounds
 u2=0;   ?DO  dup c@ I c@ = WHILE  1+  LOOP  drop 0
 while(u1--)   ELSE  c@ I c@ - unloop  THEN  sgn ;
    u2+=(Cell)toupper(*c_addr++);  : sgn ( n -- -1/0/1 )
 :   dup 0= IF EXIT THEN  0< 2* 1+ ;
  0 -rot bounds ?DO  I c@ toupper +  LOOP ;  
   
 (hashkey1)      ( c_addr u ubits -- ukey )              gforth  paren_hashkey1  (hashkey1)      ( c_addr u ubits -- ukey )              gforth  paren_hashkey1
 ""ukey is the hash key for the string c_addr u fitting in ubits bits""  ""ukey is the hash key for the string c_addr u fitting in ubits bits""
 /* this hash function rotates the key at every step by rot bits within  ukey = hashkey1(c_addr, u, ubits);
    ubits bits and xors it with the character. This function does ok in  
    the chi-sqare-test.  Rot should be <=7 (preferably <=5) for  
    ASCII strings (larger if ubits is large), and should share no  
    divisors with ubits.  
 */  
 static char rot_values[] = {5,0,1,2,3,4,5,5,5,5,3,5,5,5,5,7,5,5,5,5,7,5,5,5,5,6,5,5,5,5,7,5,5};  
 unsigned rot = rot_values[ubits];  
 Char *cp = c_addr;  
 for (ukey=0; cp<c_addr+u; cp++)  
     ukey = ((((ukey<<rot) | (ukey>>(ubits-rot)))   
              ^ toupper(*cp))  
             & ((1<<ubits)-1));  
 :  :
  dup rot-values + c@ over 1 swap lshift 1- >r   dup rot-values + c@ over 1 swap lshift 1- >r
  tuck - 2swap r> 0 2swap bounds   tuck - 2swap r> 0 2swap bounds
Line 1441  Create rot-values Line 1601  Create rot-values
   
 \+  \+
   
   \+
   
 (parse-white)   ( c_addr1 u1 -- c_addr2 u2 )    gforth  paren_parse_white  (parse-white)   ( c_addr1 u1 -- c_addr2 u2 )    gforth  paren_parse_white
 /* use !isgraph instead of isspace? */  struct Cellpair r=parse_white(c_addr1, u1);
 Char *endp = c_addr1+u1;  c_addr2 = (Char *)(r.n1);
 while (c_addr1<endp && isspace(*c_addr1))  u2 = r.n2;
   c_addr1++;  
 if (c_addr1<endp) {  
   for (c_addr2 = c_addr1; c_addr1<endp && !isspace(*c_addr1); c_addr1++)  
     ;  
   u2 = c_addr1-c_addr2;  
 }  
 else {  
   c_addr2 = c_addr1;  
   u2 = 0;  
 }  
 :  :
  BEGIN  dup  WHILE  over c@ bl <=  WHILE  1 /string   BEGIN  dup  WHILE  over c@ bl <=  WHILE  1 /string
  REPEAT  THEN  2dup   REPEAT  THEN  2dup
Line 1473  f_addr = (Float *)((((Cell)c_addr)+(size Line 1625  f_addr = (Float *)((((Cell)c_addr)+(size
 :  :
  [ 1 floats 1- ] Literal + [ -1 floats ] Literal and ;   [ 1 floats 1- ] Literal + [ -1 floats ] Literal and ;
   
 >body   ( xt -- a_addr )        core    to_body  
 "" Get the address of the body of the word represented by @i{xt} (the address  
 of the word's data field).""  
 a_addr = PFA(xt);  
 :  
     2 cells + ;  
   
 \ threading stuff is currently only interesting if we have a compiler  \ threading stuff is currently only interesting if we have a compiler
 \fhas? standardthreading has? compiler and [IF]  \fhas? standardthreading has? compiler and [IF]
   
 >code-address   ( xt -- c_addr )                gforth  to_code_address  
 ""@i{c-addr} is the code address of the word @i{xt}.""  
 /* !! This behaves installation-dependently for DOES-words */  
 c_addr = (Address)CODE_ADDRESS(xt);  
 :  
     @ ;  
   
 >does-code      ( xt -- a_addr )                gforth  to_does_code  
 ""If @i{xt} is the execution token of a child of a @code{DOES>} word,  
 @i{a-addr} is the start of the Forth code after the @code{DOES>};  
 Otherwise @i{a-addr} is 0.""  
 a_addr = (Cell *)DOES_CODE(xt);  
 :  
     cell+ @ ;  
   
 code-address!   ( c_addr xt -- )                gforth  code_address_store  
 ""Create a code field with code address @i{c-addr} at @i{xt}.""  
 MAKE_CF(xt, c_addr);  
 :  
     ! ;  
   
 does-code!      ( a_addr xt -- )                gforth  does_code_store  
 ""Create a code field at @i{xt} for a child of a @code{DOES>}-word;  
 @i{a-addr} is the start of the Forth code after @code{DOES>}.""  
 MAKE_DOES_CF(xt, a_addr);  
 :  
     dodoes: over ! cell+ ! ;  
   
 does-handler!   ( a_addr -- )   gforth  does_handler_store  
 ""Create a @code{DOES>}-handler at address @i{a-addr}. Normally,  
 @i{a-addr} points just behind a @code{DOES>}.""  
 MAKE_DOES_HANDLER(a_addr);  
 :  
     drop ;  
   
 /does-handler   ( -- n )        gforth  slash_does_handler  
 ""The size of a @code{DOES>}-handler (includes possible padding).""  
 /* !! a constant or environmental query might be better */  
 n = DOES_HANDLER_SIZE;  
 :  
     2 cells ;  
   
 threading-method        ( -- n )        gforth  threading_method  threading-method        ( -- n )        gforth  threading_method
 ""0 if the engine is direct threaded. Note that this may change during  ""0 if the engine is direct threaded. Note that this may change during
 the lifetime of an image.""  the lifetime of an image.""
Line 1544  n=1; Line 1646  n=1;
   
 \g hostos  \g hostos
   
 key-file        ( wfileid -- n )                gforth  paren_key_file  key-file        ( wfileid -- c )                gforth  paren_key_file
   ""Read one character @i{c} from @i{wfileid}.  This word disables
   buffering for @i{wfileid}.  If you want to read characters from a
   terminal in non-canonical (raw) mode, you have to put the terminal in
   non-canonical mode yourself (using the C interface); the exception is
   @code{stdin}: Gforth automatically puts it into non-canonical mode.""
 #ifdef HAS_FILE  #ifdef HAS_FILE
 fflush(stdout);  fflush(stdout);
 n = key((FILE*)wfileid);  c = key((FILE*)wfileid);
 #else  #else
 n = key(stdin);  c = key(stdin);
 #endif  #endif
   
 key?-file       ( wfileid -- n )                facility        key_q_file  key?-file       ( wfileid -- f )                gforth  key_q_file
   ""@i{f} is true if at least one character can be read from @i{wfileid}
   without blocking.  If you also want to use @code{read-file} or
   @code{read-line} on the file, you have to call @code{key?-file} or
   @code{key-file} first (these two words disable buffering).""
 #ifdef HAS_FILE  #ifdef HAS_FILE
 fflush(stdout);  fflush(stdout);
 n = key_query((FILE*)wfileid);  f = key_query((FILE*)wfileid);
 #else  #else
 n = key_query(stdin);  f = key_query(stdin);
 #endif  #endif
   
 \+os  \+os
   
 stdin   ( -- wfileid )  gforth  stdin   ( -- wfileid )  gforth
   ""The standard input file of the Gforth process.""
 wfileid = (Cell)stdin;  wfileid = (Cell)stdin;
   
 stdout  ( -- wfileid )  gforth  stdout  ( -- wfileid )  gforth
   ""The standard output file of the Gforth process.""
 wfileid = (Cell)stdout;  wfileid = (Cell)stdout;
   
 stderr  ( -- wfileid )  gforth  stderr  ( -- wfileid )  gforth
   ""The standard error output file of the Gforth process.""
 wfileid = (Cell)stderr;  wfileid = (Cell)stderr;
   
 form    ( -- urows ucols )      gforth  form    ( -- urows ucols )      gforth
Line 1579  with the window size."" Line 1693  with the window size.""
 urows=rows;  urows=rows;
 ucols=cols;  ucols=cols;
   
   wcwidth ( u -- n )      gforth
   ""The number of fixed-width characters per unicode character u""
   n = wcwidth(u);
   
 flush-icache    ( c_addr u -- ) gforth  flush_icache  flush-icache    ( c_addr u -- ) gforth  flush_icache
 ""Make sure that the instruction cache of the processor (if there is  ""Make sure that the instruction cache of the processor (if there is
 one) does not contain stale data at @i{c-addr} and @i{u} bytes  one) does not contain stale data at @i{c-addr} and @i{u} bytes
Line 1595  FLUSH_ICACHE(c_addr,u); Line 1713  FLUSH_ICACHE(c_addr,u);
 SUPER_END;  SUPER_END;
 return (Label *)n;  return (Label *)n;
   
 (system)        ( c_addr u -- wretval wior )    gforth  peren_system  (system)        ( c_addr u -- wretval wior )    gforth  paren_system
 #ifndef MSDOS  wretval = gforth_system(c_addr, u);  
 int old_tp=terminal_prepped;  
 deprep_terminal();  
 #endif  
 wretval=system(cstr(c_addr,u,1)); /* ~ expansion on first part of string? */  
 wior = IOR(wretval==-1 || (wretval==127 && errno != 0));  wior = IOR(wretval==-1 || (wretval==127 && errno != 0));
 #ifndef MSDOS  
 if (old_tp)  
   prep_terminal();  
 #endif  
   
 getenv  ( c_addr1 u1 -- c_addr2 u2 )    gforth  getenv  ( c_addr1 u1 -- c_addr2 u2 )    gforth
 ""The string @i{c-addr1 u1} specifies an environment variable. The string @i{c-addr2 u2}  ""The string @i{c-addr1 u1} specifies an environment variable. The string @i{c-addr2 u2}
Line 1613  is the host operating system's expansion Line 1723  is the host operating system's expansion
 environment variable does not exist, @i{c-addr2 u2} specifies a string 0 characters  environment variable does not exist, @i{c-addr2 u2} specifies a string 0 characters
 in length.""  in length.""
 /* close ' to keep fontify happy */  /* close ' to keep fontify happy */
 c_addr2 = getenv(cstr(c_addr1,u1,1));  c_addr2 = (Char *)getenv(cstr(c_addr1,u1,1));
 u2 = (c_addr2 == NULL ? 0 : strlen(c_addr2));  u2 = (c_addr2 == NULL ? 0 : strlen((char *)c_addr2));
   
 open-pipe       ( c_addr u wfam -- wfileid wior )       gforth  open_pipe  open-pipe       ( c_addr u wfam -- wfileid wior )       gforth  open_pipe
 wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */  wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */
Line 1627  wior = IOR(wretval==-1); Line 1737  wior = IOR(wretval==-1);
 time&date       ( -- nsec nmin nhour nday nmonth nyear )        facility-ext    time_and_date  time&date       ( -- nsec nmin nhour nday nmonth nyear )        facility-ext    time_and_date
 ""Report the current time of day. Seconds, minutes and hours are numbered from 0.  ""Report the current time of day. Seconds, minutes and hours are numbered from 0.
 Months are numbered from 1.""  Months are numbered from 1.""
   #if 1
   time_t now;
   struct tm *ltime;
   time(&now);
   ltime=localtime(&now);
   #else
 struct timeval time1;  struct timeval time1;
 struct timezone zone1;  struct timezone zone1;
 struct tm *ltime;  struct tm *ltime;
Line 1634  gettimeofday(&time1,&zone1); Line 1750  gettimeofday(&time1,&zone1);
 /* !! Single Unix specification:   /* !! Single Unix specification: 
    If tzp is not a null pointer, the behaviour is unspecified. */     If tzp is not a null pointer, the behaviour is unspecified. */
 ltime=localtime((time_t *)&time1.tv_sec);  ltime=localtime((time_t *)&time1.tv_sec);
   #endif
 nyear =ltime->tm_year+1900;  nyear =ltime->tm_year+1900;
 nmonth=ltime->tm_mon+1;  nmonth=ltime->tm_mon+1;
 nday  =ltime->tm_mday;  nday  =ltime->tm_mday;
Line 1683  else Line 1800  else
 wior = IOR(a_addr2==NULL);      /* !! Define a return code */  wior = IOR(a_addr2==NULL);      /* !! Define a return code */
   
 strerror        ( n -- c_addr u )       gforth  strerror        ( n -- c_addr u )       gforth
 c_addr = strerror(n);  c_addr = (Char *)strerror(n);
 u = strlen(c_addr);  u = strlen((char *)c_addr);
   
 strsignal       ( n -- c_addr u )       gforth  strsignal       ( n -- c_addr u )       gforth
 c_addr = strsignal(n);  c_addr = (Char *)strsignal(n);
 u = strlen(c_addr);  u = strlen((char *)c_addr);
   
 call-c  ( w -- )        gforth  call_c  call-c  ( ... w -- ... )        gforth  call_c
 ""Call the C function pointed to by @i{w}. The C function has to  ""Call the C function pointed to by @i{w}. The C function has to
 access the stack itself. The stack pointers are exported in the global  access the stack itself. The stack pointers are exported in the global
 variables @code{SP} and @code{FP}.""  variables @code{SP} and @code{FP}.""
 /* This is a first attempt at support for calls to C. This may change in  /* This is a first attempt at support for calls to C. This may change in
    the future */     the future */
 IF_fpTOS(fp[0]=fpTOS);  gforth_FP=fp;
 FP=fp;  gforth_SP=sp;
 SP=sp;  
 ((void (*)())w)();  ((void (*)())w)();
 sp=SP;  sp=gforth_SP;
 fp=FP;  fp=gforth_FP;
 IF_spTOS(spTOS=sp[0]);  
 IF_fpTOS(fpTOS=fp[0]);  
   
 \+  \+
 \+file  \+file
Line 1731  wior = IOR(unlink(tilde_cstr(c_addr, u, Line 1845  wior = IOR(unlink(tilde_cstr(c_addr, u,
   
 rename-file     ( c_addr1 u1 c_addr2 u2 -- wior )       file-ext        rename_file  rename-file     ( c_addr1 u1 c_addr2 u2 -- wior )       file-ext        rename_file
 ""Rename file @i{c_addr1 u1} to new name @i{c_addr2 u2}""  ""Rename file @i{c_addr1 u1} to new name @i{c_addr2 u2}""
 char *s1=tilde_cstr(c_addr2, u2, 1);  wior = rename_file(c_addr1, u1, c_addr2, u2);
 wior = IOR(rename(tilde_cstr(c_addr1, u1, 0), s1)==-1);  
   
 file-position   ( wfileid -- ud wior )  file    file_position  file-position   ( wfileid -- ud wior )  file    file_position
 /* !! use tell and lseek? */  /* !! use tell and lseek? */
Line 1758  wior = FILEIO(u2<u1 && ferror((FILE *)wf Line 1871  wior = FILEIO(u2<u1 && ferror((FILE *)wf
 if (wior)  if (wior)
   clearerr((FILE *)wfileid);    clearerr((FILE *)wfileid);
   
 (read-line)     ( c_addr u1 wfileid -- u2 flag u3 wior )        file    paren_read_line  (read-line)     ( c_addr u1 wfileid -- u2 flag u3 wior ) file   paren_read_line
 Cell c;  struct Cellquad r = read_line(c_addr, u1, wfileid);
 flag=-1;  u2   = r.n1;
 u3=0;  flag = r.n2;
 for(u2=0; u2<u1; u2++)  u3   = r.n3;
 {  wior = r.n4;
    c = getc((FILE *)wfileid);  
    u3++;  
    if (c=='\n') break;  
    if (c=='\r') {  
      if ((c = getc((FILE *)wfileid))!='\n')  
        ungetc(c,(FILE *)wfileid);  
      else  
        u3++;  
      break;  
    }  
    if (c==EOF) {  
         flag=FLAG(u2!=0);  
         break;  
      }  
    c_addr[u2] = (Char)c;  
 }  
 wior=FILEIO(ferror((FILE *)wfileid));  
   
 \+  \+
   
Line 1812  flush-file ( wfileid -- wior )  file-ext Line 1908  flush-file ( wfileid -- wior )  file-ext
 wior = IOR(fflush((FILE *) wfileid)==EOF);  wior = IOR(fflush((FILE *) wfileid)==EOF);
   
 file-status     ( c_addr u -- wfam wior )       file-ext        file_status  file-status     ( c_addr u -- wfam wior )       file-ext        file_status
 char *filename=tilde_cstr(c_addr, u, 1);  struct Cellpair r = file_status(c_addr, u);
 if (access (filename, F_OK) != 0) {  wfam = r.n1;
   wfam=0;  wior = r.n2;
   wior=IOR(1);  
 }  
 else if (access (filename, R_OK | W_OK) == 0) {  
   wfam=2; /* r/w */  
   wior=0;  
 }  
 else if (access (filename, R_OK) == 0) {  
   wfam=0; /* r/o */  
   wior=0;  
 }  
 else if (access (filename, W_OK) == 0) {  
   wfam=4; /* w/o */  
   wior=0;  
 }  
 else {  
   wfam=1; /* well, we cannot access the file, but better deliver a legal  
             access mode (r/o bin), so we get a decent error later upon open. */  
   wior=0;  
 }  
   
 file-eof?       ( wfileid -- flag )     gforth  file_eof_query  file-eof?       ( wfileid -- flag )     gforth  file_eof_query
 flag = FLAG(feof((FILE *) wfileid));  flag = FLAG(feof((FILE *) wfileid));
Line 1864  if(dent == NULL) { Line 1941  if(dent == NULL) {
   u2 = 0;    u2 = 0;
   flag = 0;    flag = 0;
 } else {  } else {
   u2 = strlen(dent->d_name);    u2 = strlen((char *)dent->d_name);
   if(u2 > u1) {    if(u2 > u1) {
     u2 = u1;      u2 = u1;
     wior = -512-ENAMETOOLONG;      wior = -512-ENAMETOOLONG;
Line 1881  char * string = cstr(c_addr1, u1, 1); Line 1958  char * string = cstr(c_addr1, u1, 1);
 char * pattern = cstr(c_addr2, u2, 0);  char * pattern = cstr(c_addr2, u2, 0);
 flag = FLAG(!fnmatch(pattern, string, 0));  flag = FLAG(!fnmatch(pattern, string, 0));
   
   set-dir ( c_addr u -- wior )    gforth set_dir
   ""Change the current directory to @i{c-addr, u}.
   Return an error if this is not possible""
   wior = IOR(chdir(tilde_cstr(c_addr, u, 1)));
   
   get-dir ( c_addr1 u1 -- c_addr2 u2 )    gforth get_dir
   ""Store the current directory in the buffer specified by @{c-addr1, u1}.
   If the buffer size is not sufficient, return 0 0""
   c_addr2 = (Char *)getcwd((char *)c_addr1, u1);
   if(c_addr2 != NULL) {
     u2 = strlen((char *)c_addr2);
   } else {
     u2 = 0;
   }
   
 \+  \+
   
 newline ( -- c_addr u ) gforth  newline ( -- c_addr u ) gforth
 ""String containing the newline sequence of the host OS""  ""String containing the newline sequence of the host OS""
 char newline[] = {  char newline[] = {
 #if defined(unix) || defined(__MACH__)  #if DIRSEP=='/'
 /* Darwin/MacOS X sets __MACH__, but not unix. */  /* Unix */
 '\n'  '\n'
 #else  #else
   /* DOS, Win, OS/2 */
 '\r','\n'  '\r','\n'
 #endif  #endif
 };  };
 c_addr=newline;  c_addr=(Char *)newline;
 u=sizeof(newline);  u=sizeof(newline);
 :  :
  "newline count ;   "newline count ;
Line 1922  dsystem = timeval2us(&usage.ru_stime); Line 2015  dsystem = timeval2us(&usage.ru_stime);
 struct timeval time1;  struct timeval time1;
 gettimeofday(&time1,NULL);  gettimeofday(&time1,NULL);
 duser = timeval2us(&time1);  duser = timeval2us(&time1);
 #ifndef BUGGY_LONG_LONG  dsystem = DZERO;
 dsystem = (DCell)0;  
 #else  
 dsystem=(DCell){0,0};  
 #endif  
 #endif  #endif
   
 \+  \+
Line 1938  dsystem=(DCell){0,0}; Line 2027  dsystem=(DCell){0,0};
 comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth)  comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth)
 comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth)  comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth)
   
   s>f     ( n -- r )              float   s_to_f
   r = n;
   
 d>f     ( d -- r )              float   d_to_f  d>f     ( d -- r )              float   d_to_f
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LL_D2F
 extern double ldexp(double x, int exp);  extern double ldexp(double x, int exp);
 if (d.hi<0) {  if (DHI(d)<0) {
   #ifdef BUGGY_LL_ADD
   DCell d2=dnegate(d);    DCell d2=dnegate(d);
   r = -(ldexp((Float)d2.hi,CELL_BITS) + (Float)d2.lo);  #else
     DCell d2=-d;
   #endif
     r = -(ldexp((Float)DHI(d2),CELL_BITS) + (Float)DLO(d2));
 } else  } else
   r = ldexp((Float)d.hi,CELL_BITS) + (Float)d.lo;    r = ldexp((Float)DHI(d),CELL_BITS) + (Float)DLO(d);
 #else  #else
 r = d;  r = d;
 #endif  #endif
Line 1954  f>d ( r -- d )  float f_to_d Line 2050  f>d ( r -- d )  float f_to_d
 extern DCell double2ll(Float r);  extern DCell double2ll(Float r);
 d = double2ll(r);  d = double2ll(r);
   
   f>s     ( r -- n )              float   f_to_s
   n = (Cell)r;
   
 f!      ( r f_addr -- ) float   f_store  f!      ( r f_addr -- ) float   f_store
 ""Store @i{r} into the float at address @i{f-addr}.""  ""Store @i{r} into the float at address @i{f-addr}.""
 *f_addr = r;  *f_addr = r;
Line 2012  f** ( r1 r2 -- r3 ) float-ext f_star_sta Line 2111  f** ( r1 r2 -- r3 ) float-ext f_star_sta
 ""@i{r3} is @i{r1} raised to the @i{r2}th power.""  ""@i{r3} is @i{r1} raised to the @i{r2}th power.""
 r3 = pow(r1,r2);  r3 = pow(r1,r2);
   
   fm*     ( r1 n -- r2 )  gforth  fm_star
   r2 = r1*n;
   
   fm/     ( r1 n -- r2 )  gforth  fm_slash
   r2 = r1/n;
   
   fm*/    ( r1 n1 n2 -- r2 )      gforth  fm_star_slash
   r2 = (r1*n1)/n2;
   
   f**2    ( r1 -- r2 )    gforth  fm_square
   r2 = r1*r1;
   
 fnegate ( r1 -- r2 )    float   f_negate  fnegate ( r1 -- r2 )    float   f_negate
 r2 = - r1;  r2 = - r1;
   
Line 2060  else Line 2171  else
   
 represent       ( r c_addr u -- n f1 f2 )       float  represent       ( r c_addr u -- n f1 f2 )       float
 char *sig;  char *sig;
   size_t siglen;
 int flag;  int flag;
 int decpt;  int decpt;
 sig=ecvt(r, u, &decpt, &flag);  sig=ecvt(r, u, &decpt, &flag);
 n=(r==0 ? 1 : decpt);  n=(r==0. ? 1 : decpt);
 f1=FLAG(flag!=0);  f1=FLAG(flag!=0);
 f2=FLAG(isdigit((unsigned)(sig[0]))!=0);  f2=FLAG(isdigit((unsigned)(sig[0]))!=0);
 memmove(c_addr,sig,u);  siglen=strlen((char *)sig);
   if (siglen>u) /* happens in glibc-2.1.3 if 999.. is rounded up */
     siglen=u;
   if (!f2) /* workaround Cygwin trailing 0s for Inf and Nan */
     for (; sig[siglen-1]=='0'; siglen--);
       ;
   memcpy(c_addr,sig,siglen);
   memset(c_addr+siglen,f2?'0':' ',u-siglen);
   
 >float  ( c_addr u -- flag )    float   to_float  >float  ( c_addr u -- f:... flag )      float   to_float
 ""Actual stack effect: ( c_addr u -- r t | f ).  Attempt to convert the  ""Actual stack effect: ( c_addr u -- r t | f ).  Attempt to convert the
 character string @i{c-addr u} to internal floating-point  character string @i{c-addr u} to internal floating-point
 representation. If the string represents a valid floating-point number  representation. If the string represents a valid floating-point number
 @i{r} is placed on the floating-point stack and @i{flag} is  @i{r} is placed on the floating-point stack and @i{flag} is
 true. Otherwise, @i{flag} is false. A string of blanks is a special  true. Otherwise, @i{flag} is false. A string of blanks is a special
 case and represents the floating-point number 0.""  case and represents the floating-point number 0.""
 /* real signature: c_addr u -- r t / f */  
 Float r;  Float r;
 char *number=cstr(c_addr, u, 1);  flag = to_float(c_addr, u, &r);
 char *endconv;  if (flag) {
 int sign = 0;    fp--;
 if(number[0]=='-') {    fp[0]=r;
    sign = 1;  
    number++;  
    u--;  
 }  
 while(isspace((unsigned)(number[--u])) && u>0);  
 switch(number[u])  
 {  
    case 'd':  
    case 'D':  
    case 'e':  
    case 'E':  break;  
    default :  u++; break;  
 }  
 number[u]='\0';  
 r=strtod(number,&endconv);  
 if((flag=FLAG(!(Cell)*endconv)))  
 {  
    IF_fpTOS(fp[0] = fpTOS);  
    fp += -1;  
    fpTOS = sign ? -r : r;  
 }  
 else if(*endconv=='d' || *endconv=='D')  
 {  
    *endconv='E';  
    r=strtod(number,&endconv);  
    if((flag=FLAG(!(Cell)*endconv)))  
      {  
         IF_fpTOS(fp[0] = fpTOS);  
         fp += -1;  
         fpTOS = sign ? -r : r;  
      }  
 }  }
   
 fabs    ( r1 -- r2 )    float-ext       f_abs  fabs    ( r1 -- r2 )    float-ext       f_abs
Line 2250  v* ( f_addr1 nstride1 f_addr2 nstride2 u Line 2337  v* ( f_addr1 nstride1 f_addr2 nstride2 u
 ""dot-product: r=v1*v2.  The first element of v1 is at f_addr1, the  ""dot-product: r=v1*v2.  The first element of v1 is at f_addr1, the
 next at f_addr1+nstride1 and so on (similar for v2). Both vectors have  next at f_addr1+nstride1 and so on (similar for v2). Both vectors have
 ucount elements.""  ucount elements.""
 for (r=0.; ucount>0; ucount--) {  r = v_star(f_addr1, nstride1, f_addr2, nstride2, ucount);
   r += *f_addr1 * *f_addr2;  
   f_addr1 = (Float *)(((Address)f_addr1)+nstride1);  
   f_addr2 = (Float *)(((Address)f_addr2)+nstride2);  
 }  
 :  :
  >r swap 2swap swap 0e r> 0 ?DO   >r swap 2swap swap 0e r> 0 ?DO
      dup f@ over + 2swap dup f@ f* f+ over + 2swap       dup f@ over + 2swap dup f@ f* f+ over + 2swap
Line 2262  for (r=0.; ucount>0; ucount--) { Line 2345  for (r=0.; ucount>0; ucount--) {
   
 faxpy   ( ra f_x nstridex f_y nstridey ucount -- )      gforth  faxpy   ( ra f_x nstridex f_y nstridey ucount -- )      gforth
 ""vy=ra*vx+vy""  ""vy=ra*vx+vy""
 for (; ucount>0; ucount--) {  faxpy(ra, f_x, nstridex, f_y, nstridey, ucount);
   *f_y += ra * *f_x;  
   f_x = (Float *)(((Address)f_x)+nstridex);  
   f_y = (Float *)(((Address)f_y)+nstridey);  
 }  
 :  :
  >r swap 2swap swap r> 0 ?DO   >r swap 2swap swap r> 0 ?DO
      fdup dup f@ f* over + 2swap dup f@ f+ dup f! over + 2swap       fdup dup f@ f* over + 2swap dup f@ f+ dup f! over + 2swap
Line 2345  f>l ( r -- ) gforth f_to_l Line 2424  f>l ( r -- ) gforth f_to_l
 lp -= sizeof(Float);  lp -= sizeof(Float);
 *(Float *)lp = r;  *(Float *)lp = r;
   
 fpick   ( u -- r )              gforth  fpick   ( f:... u -- f:... r )          gforth
 ""Actually the stack effect is @code{ r0 ... ru u -- r0 ... ru r0 }.""  ""Actually the stack effect is @code{ r0 ... ru u -- r0 ... ru r0 }.""
 r = fp[u+1]; /* +1, because update of fp happens before this fragment */  r = fp[u];
 :  :
  floats fp@ + f@ ;   floats fp@ + f@ ;
   
Line 2358  r = fp[u+1]; /* +1, because update of fp Line 2437  r = fp[u+1]; /* +1, because update of fp
   
 \g syslib  \g syslib
   
   open-lib        ( c_addr1 u1 -- u2 )    gforth  open_lib
   #if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)
   #ifndef RTLD_GLOBAL
   #define RTLD_GLOBAL 0
   #endif
   u2=(UCell) dlopen(cstr(c_addr1, u1, 1), RTLD_GLOBAL | RTLD_LAZY);
   #else
   #  ifdef _WIN32
   u2 = (Cell) GetModuleHandle(cstr(c_addr1, u1, 1));
   #  else
   #warning Define open-lib!
   u2 = 0;
   #  endif
   #endif
   
   lib-sym ( c_addr1 u1 u2 -- u3 ) gforth  lib_sym
   #if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)
   u3 = (UCell) dlsym((void*)u2,cstr(c_addr1, u1, 1));
   #else
   #  ifdef _WIN32
   u3 = (Cell) GetProcAddress((HMODULE)u2, cstr(c_addr1, u1, 1));
   #  else
   #warning Define lib-sym!
   u3 = 0;
   #  endif
   #endif
   
   wcall   ( ... u -- ... )        gforth
   gforth_FP=fp;
   sp=(Cell*)(SYSCALL(Cell*(*)(Cell *, void *))u)(sp, &gforth_FP);
   fp=gforth_FP;
   
   uw@ ( c_addr -- u )     gforth u_w_fetch
   ""@i{u} is the zero-extended 16-bit value stored at @i{c_addr}.""
   u = *(UWyde*)(c_addr);
   
   sw@ ( c_addr -- n )     gforth s_w_fetch
   ""@i{n} is the sign-extended 16-bit value stored at @i{c_addr}.""
   n = *(Wyde*)(c_addr);
   
   w! ( w c_addr -- )      gforth w_store
   ""Store the bottom 16 bits of @i{w} at @i{c_addr}.""
   *(Wyde*)(c_addr) = w;
   
   ul@ ( c_addr -- u )     gforth u_l_fetch
   ""@i{u} is the zero-extended 32-bit value stored at @i{c_addr}.""
   u = *(UTetrabyte*)(c_addr);
   
   sl@ ( c_addr -- n )     gforth s_l_fetch
   ""@i{n} is the sign-extended 32-bit value stored at @i{c_addr}.""
   n = *(Tetrabyte*)(c_addr);
   
   l! ( w c_addr -- )      gforth l_store
   ""Store the bottom 32 bits of @i{w} at @i{c_addr}.""
   *(Tetrabyte*)(c_addr) = w;
   
   \+FFCALL
   
   av-start-void   ( c_addr -- )   gforth  av_start_void
   av_start_void(alist, c_addr);
   
   av-start-int    ( c_addr -- )   gforth  av_start_int
   av_start_int(alist, c_addr, &irv);
   
   av-start-float  ( c_addr -- )   gforth  av_start_float
   av_start_float(alist, c_addr, &frv);
   
   av-start-double ( c_addr -- )   gforth  av_start_double
   av_start_double(alist, c_addr, &drv);
   
   av-start-longlong       ( c_addr -- )   gforth  av_start_longlong
   av_start_longlong(alist, c_addr, &llrv);
   
   av-start-ptr    ( c_addr -- )   gforth  av_start_ptr
   av_start_ptr(alist, c_addr, void*, &prv);
   
   av-int  ( w -- )  gforth  av_int
   av_int(alist, w);
   
   av-float        ( r -- )        gforth  av_float
   av_float(alist, r);
   
   av-double       ( r -- )        gforth  av_double
   av_double(alist, r);
   
   av-longlong     ( d -- )        gforth  av_longlong
   #ifdef BUGGY_LL_SIZE
   av_longlong(alist, DLO(d));
   #else
   av_longlong(alist, d);
   #endif
   
   av-ptr  ( c_addr -- )   gforth  av_ptr
   av_ptr(alist, void*, c_addr);
   
   av-int-r  ( R:w -- )  gforth  av_int_r
   av_int(alist, w);
   
   av-float-r      ( -- )  gforth  av_float_r
   float r = *(Float*)lp;
   lp += sizeof(Float);
   av_float(alist, r);
   
   av-double-r     ( -- )  gforth  av_double_r
   double r = *(Float*)lp;
   lp += sizeof(Float);
   av_double(alist, r);
   
   av-longlong-r   ( R:d -- )      gforth  av_longlong_r
   #ifdef BUGGY_LL_SIZE
   av_longlong(alist, DLO(d));
   #else
   av_longlong(alist, d);
   #endif
   
   av-ptr-r        ( R:c_addr -- ) gforth  av_ptr_r
   av_ptr(alist, void*, c_addr);
   
   av-call-void    ( ... -- ... )  gforth  av_call_void
   SAVE_REGS
   av_call(alist);
   REST_REGS
   
   av-call-int     ( ... -- ... w )        gforth  av_call_int
   SAVE_REGS
   av_call(alist);
   REST_REGS
   w = irv;
   
   av-call-float   ( ... -- ... r )        gforth  av_call_float
   SAVE_REGS
   av_call(alist);
   REST_REGS
   r = frv;
   
   av-call-double  ( ... -- ... r )        gforth  av_call_double
   SAVE_REGS
   av_call(alist);
   REST_REGS
   r = drv;
   
   av-call-longlong        ( ... -- ... d )        gforth  av_call_longlong
   SAVE_REGS
   av_call(alist);
   REST_REGS
   #ifdef BUGGY_LONG_LONG
   DLO_IS(d, llrv);
   DHI_IS(d, 0);
   #else
   d = llrv;
   #endif
   
   av-call-ptr     ( ... -- ... c_addr )   gforth  av_call_ptr
   SAVE_REGS
   av_call(alist);
   REST_REGS
   c_addr = prv;
   
   alloc-callback  ( a_ip -- c_addr )      gforth  alloc_callback
   c_addr = (char *)alloc_callback(gforth_callback, (Xt *)a_ip);
   
   va-start-void   ( -- )  gforth  va_start_void
   va_start_void(gforth_clist);
   
   va-start-int    ( -- )  gforth  va_start_int
   va_start_int(gforth_clist);
   
   va-start-longlong       ( -- )  gforth  va_start_longlong
   va_start_longlong(gforth_clist);
   
   va-start-ptr    ( -- )  gforth  va_start_ptr
   va_start_ptr(gforth_clist, (char *));
   
   va-start-float  ( -- )  gforth  va_start_float
   va_start_float(gforth_clist);
   
   va-start-double ( -- )  gforth  va_start_double
   va_start_double(gforth_clist);
   
   va-arg-int      ( -- w )        gforth  va_arg_int
   w = va_arg_int(gforth_clist);
   
   va-arg-longlong ( -- d )        gforth  va_arg_longlong
   #ifdef BUGGY_LONG_LONG
   DLO_IS(d, va_arg_longlong(gforth_clist));
   DHI_IS(d, 0);
   #else
   d = va_arg_longlong(gforth_clist);
   #endif
   
   va-arg-ptr      ( -- c_addr )   gforth  va_arg_ptr
   c_addr = (char *)va_arg_ptr(gforth_clist,char*);
   
   va-arg-float    ( -- r )        gforth  va_arg_float
   r = va_arg_float(gforth_clist);
   
   va-arg-double   ( -- r )        gforth  va_arg_double
   r = va_arg_double(gforth_clist);
   
   va-return-void ( -- )   gforth va_return_void
   va_return_void(gforth_clist);
   return 0;
   
   va-return-int ( w -- )  gforth va_return_int
   va_return_int(gforth_clist, w);
   return 0;
   
   va-return-ptr ( c_addr -- )     gforth va_return_ptr
   va_return_ptr(gforth_clist, void *, c_addr);
   return 0;
   
   va-return-longlong ( d -- )     gforth va_return_longlong
   #ifdef BUGGY_LONG_LONG
   va_return_longlong(gforth_clist, d.lo);
   #else
   va_return_longlong(gforth_clist, d);
   #endif
   return 0;
   
   va-return-float ( r -- )        gforth va_return_float
   va_return_float(gforth_clist, r);
   return 0;
   
   va-return-double ( r -- )       gforth va_return_double
   va_return_double(gforth_clist, r);
   return 0;
   
   \+
   
   \+LIBFFI
   
   ffi-type ( n -- a_type )        gforth ffi_type
   static void* ffi_types[] =
       { &ffi_type_void,
         &ffi_type_uint8, &ffi_type_sint8,
         &ffi_type_uint16, &ffi_type_sint16,
         &ffi_type_uint32, &ffi_type_sint32,
         &ffi_type_uint64, &ffi_type_sint64,
         &ffi_type_float, &ffi_type_double, &ffi_type_longdouble,
         &ffi_type_pointer };
   a_type = ffi_types[n];
   
   ffi-size ( n1 -- n2 )   gforth ffi_size
   static int ffi_sizes[] =
       { sizeof(ffi_cif), sizeof(ffi_closure) };
   n2 = ffi_sizes[n1];
   
   ffi-prep-cif ( a_atypes n a_rtype a_cif -- w )  gforth ffi_prep_cif
   w = ffi_prep_cif((ffi_cif *)a_cif, FFI_DEFAULT_ABI, n,
            (ffi_type *)a_rtype, (ffi_type **)a_atypes);
   
   ffi-call ( a_avalues a_rvalue a_ip a_cif -- )   gforth ffi_call
   SAVE_REGS
   ffi_call((ffi_cif *)a_cif, (void(*)())a_ip, (void *)a_rvalue, (void **)a_avalues);
   REST_REGS
   
   ffi-prep-closure ( a_ip a_cif a_closure -- w )  gforth ffi_prep_closure
   w = ffi_prep_closure((ffi_closure *)a_closure, (ffi_cif *)a_cif, gforth_callback, (void *)a_ip);
   
   ffi-2@ ( a_addr -- d )  gforth ffi_2fetch
   #ifdef BUGGY_LONG_LONG
   DLO_IS(d, *(Cell*)(*a_addr));
   DHI_IS(d, 0);
   #else
   d = *(DCell*)(a_addr);
   #endif
   
   ffi-2! ( d a_addr -- )  gforth ffi_2store
   #ifdef BUGGY_LONG_LONG
   *(Cell*)(a_addr) = DLO(d);
   #else
   *(DCell*)(a_addr) = d;
   #endif
   
   ffi-arg-int ( -- w )    gforth ffi_arg_int
   w = *(int *)(*gforth_clist++);
   
   ffi-arg-long ( -- w )   gforth ffi_arg_long
   w = *(long *)(*gforth_clist++);
   
   ffi-arg-longlong ( -- d )       gforth ffi_arg_longlong
   #ifdef BUGGY_LONG_LONG
   DLO_IS(d, *(Cell*)(*gforth_clist++));
   DHI_IS(d, -(*(Cell*)(*gforth_clist++)<0));
   #else
   d = *(DCell*)(*gforth_clist++);
   #endif
   
   ffi-arg-dlong ( -- d )  gforth ffi_arg_dlong
   #ifdef BUGGY_LONG_LONG
   DLO_IS(d, *(Cell*)(*gforth_clist++));
   DHI_IS(d, -(*(Cell*)(*gforth_clist++)<0));
   #else
   d = *(Cell*)(*gforth_clist++);
   #endif
   
   ffi-arg-ptr ( -- c_addr )       gforth ffi_arg_ptr
   c_addr = *(Char **)(*gforth_clist++);
   
   ffi-arg-float ( -- r )  gforth ffi_arg_float
   r = *(float*)(*gforth_clist++);
   
   ffi-arg-double ( -- r ) gforth ffi_arg_double
   r = *(double*)(*gforth_clist++);
   
   ffi-ret-void ( -- )     gforth ffi_ret_void
   return 0;
   
   ffi-ret-int ( w -- )    gforth ffi_ret_int
   *(int*)(gforth_ritem) = w;
   return 0;
   
   ffi-ret-longlong ( d -- )       gforth ffi_ret_longlong
   #ifdef BUGGY_LONG_LONG
   *(Cell*)(gforth_ritem) = DLO(d);
   #else
   *(DCell*)(gforth_ritem) = d;
   #endif
   return 0;
   
   ffi-ret-dlong ( d -- )  gforth ffi_ret_dlong
   #ifdef BUGGY_LONG_LONG
   *(Cell*)(gforth_ritem) = DLO(d);
   #else
   *(Cell*)(gforth_ritem) = d;
   #endif
   return 0;
   
   ffi-ret-long ( n -- )   gforth ffi_ret_long
   #ifdef BUGGY_LONG_LONG
   *(Cell*)(gforth_ritem) = DLO(n);
   #else
   *(Cell*)(gforth_ritem) = n;
   #endif
   return 0;
   
   ffi-ret-ptr ( c_addr -- )       gforth ffi_ret_ptr
   *(Char **)(gforth_ritem) = c_addr;
   return 0;
   
   ffi-ret-float ( r -- )  gforth ffi_ret_float
   *(float*)(gforth_ritem) = r;
   return 0;
   
   ffi-ret-double ( r -- ) gforth ffi_ret_double
   *(double*)(gforth_ritem) = r;
   return 0;
   
   \+
   
   \+OLDCALL
   
 define(`uploop',  define(`uploop',
        `pushdef(`$1', `$2')_uploop(`$1', `$2', `$3', `$4', `$5')`'popdef(`$1')')         `pushdef(`$1', `$2')_uploop(`$1', `$2', `$3', `$4', `$5')`'popdef(`$1')')
 define(`_uploop',  define(`_uploop',
Line 2389  rret = (SYSCALL(Float(*)(argdlist($1)))u Line 2820  rret = (SYSCALL(Float(*)(argdlist($1)))u
   
 \ close ' to keep fontify happy  \ close ' to keep fontify happy
   
 open-lib        ( c_addr1 u1 -- u2 )    gforth  open_lib  
 #if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)  
 #ifndef RTLD_GLOBAL  
 #define RTLD_GLOBAL 0  
 #endif  
 u2=(UCell) dlopen(cstr(c_addr1, u1, 1), RTLD_GLOBAL | RTLD_LAZY);  
 #else  
 #  ifdef _WIN32  
 u2 = (Cell) GetModuleHandle(cstr(c_addr1, u1, 1));  
 #  else  
 #warning Define open-lib!  
 u2 = 0;  
 #  endif  
 #endif  
   
 lib-sym ( c_addr1 u1 u2 -- u3 ) gforth  lib_sym  
 #if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)  
 u3 = (UCell) dlsym((void*)u2,cstr(c_addr1, u1, 1));  
 #else  
 #  ifdef _WIN32  
 u3 = (Cell) GetProcAddress((HMODULE)u2, cstr(c_addr1, u1, 1));  
 #  else  
 #warning Define lib-sym!  
 u3 = 0;  
 #  endif  
 #endif  
   
 uploop(i, 0, 7, `icall(i)')  uploop(i, 0, 7, `icall(i)')
 icall(20)  icall(20)
 uploop(i, 0, 7, `fcall(i)')  uploop(i, 0, 7, `fcall(i)')
 fcall(20)  fcall(20)
   
 \+  \+
   \+
   
 wcall   ( u -- )        gforth  \g peephole
 IF_fpTOS(fp[0]=fpTOS);  
 FP=fp;  
 sp=(Cell*)(SYSCALL(Cell*(*)(Cell *, void *))u)(sp, &FP);  
 fp=FP;  
 IF_spTOS(spTOS=sp[0];)  
 IF_fpTOS(fpTOS=fp[0]);  
   
 \+peephole  \+peephole
   
 \g peephole  compile-prim1 ( a_prim -- ) gforth compile_prim1
   ""compile prim (incl. immargs) at @var{a_prim}""
   compile_prim1(a_prim);
   
 primtable       ( -- wprimtable )       new  finish-code ( ... -- ... ) gforth finish_code
 ""wprimtable is a table containing the xts of the primitives indexed  ""Perform delayed steps in code generation (branch resolution, I-cache
 by sequence-number in prim (for use in prepare-peephole-table).""  flushing).""
 wprimtable = (Cell)primtable(symbols+DOESJUMP+1,MAX_SYMBOLS-DOESJUMP-1);  /* The ... above are a workaround for a bug in gcc-2.95, which fails
      to save spTOS (gforth-fast --enable-force-reg) */
 prepare-peephole-table  ( wprimtable -- wpeeptable ) new prepare_peephole_opt  finish_code();
 ""wpeeptable is a data structure used by @code{peephole-opt}; it is  
 constructed by combining a primitives table with a simple peephole  
 optimization table.""  
 wpeeptable = prepare_peephole_table((Xt *)wprimtable);  
   
 peephole-opt    ( xt1 xt2 wpeeptable -- xt )    new     peephole_opt  
 ""xt is the combination of xt1 and xt2 (according to wpeeptable); if  
 they cannot be combined, xt is 0.""  
 xt = peephole_opt(xt1, xt2, wpeeptable);  
   
 compile-prim ( xt1 -- xt2 )     obsolete        compile_prim  forget-dyncode ( c_code -- f ) gforth-internal forget_dyncode
 xt2 = (Xt)compile_prim((Label)xt1);  f = forget_dyncode(c_code);
   
   decompile-prim ( a_code -- a_prim ) gforth-internal decompile_prim
   ""a_prim is the code address of the primitive that has been
   compile_prim1ed to a_code""
   a_prim = (Cell *)decompile_code((Label)a_code);
   
 \ set-next-code and call2 do not appear in images and can be  \ set-next-code and call2 do not appear in images and can be
 \ renumbered arbitrarily  \ renumbered arbitrarily
Line 2471  JUMP(a_callee); Line 2868  JUMP(a_callee);
 assert(0);  assert(0);
 #endif  #endif
   
 compile-prim1 ( a_prim -- ) gforth compile_prim1  tag-offsets ( -- a_addr ) gforth tag_offsets
 ""compile prim (incl. immargs) at @var{a_prim}""  extern Cell groups[32];
 compile_prim1(a_prim);  a_addr = groups;
   
 finish-code ( -- ) gforth finish_code  
 ""Perform delayed steps in code generation (branch resolution, I-cache  
 flushing).""  
 finish_code();  
   
 forget-dyncode ( c_code -- f ) gforth-internal forget_dyncode  
 f = forget_dyncode(c_code);  
   
 decompile-prim ( a_code -- a_prim ) gforth-internal decompile_prim  
 ""a_prim is the code address of the primitive that has been  
 compile_prim1ed to a_code""  
 a_prim = decompile_code(a_code);  
   
 \+  \+
   
 include(peeprules.vmg)  \g static_super
   
   ifdef(`STACK_CACHE_FILE',
   `include(peeprules.vmg)')
   
 \g end  \g end

Removed from v.1.113  
changed lines
  Added in v.1.195


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