Diff for /gforth/prim between versions 1.180 and 1.228

version 1.180, 2005/12/03 15:15:20 version 1.228, 2008/06/17 21:27:54
Line 1 Line 1
 \ Gforth primitives  \ Gforth primitives
   
 \ Copyright (C) 1995,1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  
   
   
 \ WARNING: This file is processed by m4. Make sure your identifiers  \ WARNING: This file is processed by m4. Make sure your identifiers
Line 109 Line 108
 \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
 \E include-skipped-insts on \ static superinsts include cells for components  \E `include-skipped-insts' on \ static superinsts include cells for components
 \E                          \ useful for dynamic programming and  \E                            \ useful for dynamic programming and
 \E                          \ superinsts across entry points  \E                            \ superinsts across entry points
   
 \   \ 
 \   \ 
Line 203  INST_TAIL; Line 202  INST_TAIL;
 goto *next_code;  goto *next_code;
 #endif /* defined(NO_IP) */  #endif /* defined(NO_IP) */
   
   (dovalue) ( -- w )      gforth-internal paren_doval
   ""run-time routine for constants""
   w = *(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  (dodoes) ( -- a_body R:a_retaddr )      gforth-internal paren_dodoes
 ""run-time routine for @code{does>}-defined words""  ""run-time routine for @code{does>}-defined words""
 #ifdef NO_IP  #ifdef NO_IP
 a_retaddr = next_code;  a_retaddr = next_code;
 a_body = PFA(CFA);  a_body = PFA(CFA);
 INST_TAIL;  INST_TAIL;
   #ifdef DEBUG
   fprintf(stderr, "dodoes to %x, push %x\n", a_retaddr, a_body);
   #endif
 goto **(Label *)DOES_CODE1(CFA);  goto **(Label *)DOES_CODE1(CFA);
 #else /* !defined(NO_IP) */  #else /* !defined(NO_IP) */
 a_retaddr = (Cell *)IP;  a_retaddr = (Cell *)IP;
 a_body = PFA(CFA);  a_body = PFA(CFA);
   #ifdef DEBUG
   fprintf(stderr, "dodoes to %x, push %x\n", a_retaddr, a_body);
   #endif
 SET_IP(DOES_CODE1(CFA));  SET_IP(DOES_CODE1(CFA));
 #endif /* !defined(NO_IP) */  #endif /* !defined(NO_IP) */
   
Line 248  SET_IP((Xt *)a_callee); Line 261  SET_IP((Xt *)a_callee);
   
 execute ( xt -- )               core  execute ( xt -- )               core
 ""Perform the semantics represented by the execution token, @i{xt}.""  ""Perform the semantics represented by the execution token, @i{xt}.""
   #ifdef DEBUG
   fprintf(stderr, "execute %08x\n", xt);
   #endif
 #ifndef NO_IP  #ifndef NO_IP
 ip=IP;  ip=IP;
 #endif  #endif
Line 329  SET_IP((Xt *)a_target); Line 345  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 340  $5 #ifdef NO_IP Line 354  $5 #ifdef NO_IP
 JUMP(a_target);  JUMP(a_target);
 #else  #else
 SET_IP((Xt *)a_target);  SET_IP((Xt *)a_target);
   ifelse(condbranch_opt,`1',`INST_TAIL; NEXT_P2;',`/* condbranch_opt=0 */')
 #endif  #endif
 }  }
   ifelse(condbranch_opt,`1',`SUPER_CONTINUE;',`/* condbranch_opt=0 */')
 $6  $6
   
 \+glocals  \+glocals
Line 355  $5 lp += nlocals; Line 371  $5 lp += nlocals;
 JUMP(a_target);  JUMP(a_target);
 #else  #else
 SET_IP((Xt *)a_target);  SET_IP((Xt *)a_target);
   ifelse(condbranch_opt,`1',`INST_TAIL; NEXT_P2;',`/* condbranch_opt=0 */')
 #endif  #endif
 }  }
   ifelse(condbranch_opt,`1',`SUPER_CONTINUE;',`/* condbranch_opt=0 */')
 \+  
 )  
   
 \ 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;  
 #endif  
 }  
 SUPER_CONTINUE;  
 $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);  
 INST_TAIL; NEXT_P2;  
 #endif  
 }  
 SUPER_CONTINUE;  
   
 \+  \+
 )  )
Line 626  i' ( R:w R:w2 -- R:w R:w2 w )  gforth  i Line 609  i' ( R:w R:w2 -- R:w R:w2 w )  gforth  i
   r> r> r> dup itmp ! >r >r >r itmp @ ;    r> r> r> dup itmp ! >r >r >r itmp @ ;
 variable itmp  variable itmp
   
 j       ( R:n R:d1 -- n R:n R:d1 )              core  j       ( R:w R:w1 R:w2 -- w R:w R:w1 R:w2 )    core
 :  :
 \ rp@ cell+ cell+ cell+ @ ;  \ rp@ cell+ cell+ cell+ @ ;
   r> r> r> r> dup itmp ! >r >r >r >r itmp @ ;    r> r> r> r> dup itmp ! >r >r >r >r itmp @ ;
 [IFUNDEF] itmp variable itmp [THEN]  [IFUNDEF] itmp variable itmp [THEN]
   
 k       ( R:n R:d1 R:d2 -- n R:n R:d1 R:d2 )            gforth  k       ( R:w R:w1 R:w2 R:w3 R:w4 -- w R:w R:w1 R:w2 R:w3 R:w4 )        gforth
 :  :
 \ rp@ [ 5 cells ] Literal + @ ;  \ rp@ [ 5 cells ] Literal + @ ;
   r> r> r> r> r> r> dup itmp ! >r >r >r >r >r >r itmp @ ;    r> r> r> r> r> r> dup itmp ! >r >r >r >r >r >r itmp @ ;
Line 719  c2 = toupper(c1); Line 702  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 - ;
   
   capscompare     ( c_addr1 u1 c_addr2 u2 -- n )  gforth
   ""Compare two strings lexicographically. If they are equal, @i{n} is 0; if
   the first string is smaller, @i{n} is -1; if the first string is larger, @i{n}
   is 1. Currently this is based on the machine's character
   comparison. In the future, this may change to consider the current
   locale and its collation order.""
   /* close ' to keep fontify happy */ 
   n = capscompare(c_addr1, u1, c_addr2, u2);
   
 /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}
 characters from the start of the string.""  characters from the start of the string.""
Line 739  n = n1+n2; Line 731  n = n1+n2;
 \ lit+ / lit_plus = lit +  \ lit+ / lit_plus = lit +
   
 lit+    ( n1 #n2 -- n )         new     lit_plus  lit+    ( n1 #n2 -- n )         new     lit_plus
   #ifdef DEBUG
   fprintf(stderr, "lit+ %08x\n", n2);
   #endif
 n=n1+n2;  n=n1+n2;
   
 \ PFE-0.9.14 has it differently, but the next release will have it as follows  \ PFE-0.9.14 has it differently, but the next release will have it as follows
Line 800  n = n1*n2; Line 795  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--;  if (CHECK_DIVISION_SW && n2 == 0)
     throw(BALL_DIVZERO);
   if (CHECK_DIVISION_SW && n2 == -1 && n1 == CELL_MIN)
     throw(BALL_RESULTRANGE);
   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 (CHECK_DIVISION_SW && n2 == 0)
     throw(BALL_DIVZERO);
   if (CHECK_DIVISION_SW && n2 == -1 && n1 == CELL_MIN)
     throw(BALL_RESULTRANGE);
 if(FLOORED_DIV && ((n1^n2) < 0) && n!=0) n += n2;  if(FLOORED_DIV && ((n1^n2) < 0) && n!=0) n += n2;
 :  :
  /mod drop ;   /mod drop ;
Line 813  if(FLOORED_DIV && ((n1^n2) < 0) && n!=0) Line 817  if(FLOORED_DIV && ((n1^n2) < 0) && n!=0)
 /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 (CHECK_DIVISION_SW && n2 == 0)
     throw(BALL_DIVZERO);
   if (CHECK_DIVISION_SW && n2 == -1 && n1 == CELL_MIN)
     throw(BALL_RESULTRANGE);
 if (FLOORED_DIV && ((n1^n2) < 0) && n3!=0) {  if (FLOORED_DIV && ((n1^n2) < 0) && n3!=0) {
   n4--;    n4--;
   n3+=n2;    n3+=n2;
Line 827  DCell d = mmul(n1,n2); Line 835  DCell d = mmul(n1,n2);
 #else  #else
 DCell d = (DCell)n1 * (DCell)n2;  DCell d = (DCell)n1 * (DCell)n2;
 #endif  #endif
 #ifdef BUGGY_LL_DIV  #ifdef ASM_SM_SLASH_REM
 DCell r = fmdiv(d,n3);  ASM_SM_SLASH_REM(DLO(d), DHI(d), n3, n4, n5);
 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) {  if (FLOORED_DIV && ((DHI(d)^n3)<0) && n4!=0) {
     if (CHECK_DIVISION && n5 == CELL_MIN)
       throw(BALL_RESULTRANGE);
   n5--;    n5--;
   n4+=n3;    n4+=n3;
 }  }
   #else
   DCell r = FLOORED_DIV ? fmdiv(d,n3) : smdiv(d,n3);
   n4=DHI(r);
   n5=DLO(r);
 #endif  #endif
 :  :
  >r m* r> fm/mod ;   >r m* r> fm/mod ;
Line 850  DCell d = mmul(n1,n2); Line 858  DCell d = mmul(n1,n2);
 #else  #else
 DCell d = (DCell)n1 * (DCell)n2;  DCell d = (DCell)n1 * (DCell)n2;
 #endif  #endif
 #ifdef BUGGY_LL_DIV  #ifdef ASM_SM_SLASH_REM
 DCell r = fmdiv(d,n3);  Cell remainder;
 n4=DLO(r);  ASM_SM_SLASH_REM(DLO(d), DHI(d), n3, remainder, n4);
   if (FLOORED_DIV && ((DHI(d)^n3)<0) && remainder!=0) {
     if (CHECK_DIVISION && n4 == CELL_MIN)
       throw(BALL_RESULTRANGE);
     n4--;
   }
 #else  #else
 /* assumes that the processor uses either floored or symmetric division */  DCell r = FLOORED_DIV ? fmdiv(d,n3) : smdiv(d,n3);
 n4 = d/n3;  n4=DLO(r);
 if (FLOORED_DIV && ((DHI(d)^n3)<0) && (d%n3)!=0) n4--;  
 #endif  #endif
 :  :
  */mod nip ;   */mod nip ;
Line 873  division by 2 (note that @code{/} not ne Line 885  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_LL_DIV  
 #ifdef ASM_SM_SLASH_REM  #ifdef ASM_SM_SLASH_REM
 ASM_SM_SLASH_REM(d1.lo, d1.hi, n1, n2, n3);  ASM_SM_SLASH_REM(DLO(d1), DHI(d1), n1, n2, n3);
 if (((DHI(d1)^n1)<0) && n2!=0) {  if (((DHI(d1)^n1)<0) && n2!=0) {
     if (CHECK_DIVISION && n3 == CELL_MIN)
       throw(BALL_RESULTRANGE);
   n3--;    n3--;
   n2+=n1;    n2+=n1;
 }  }
Line 892  DCell r = fmdiv(d1,n1); Line 905  DCell r = fmdiv(d1,n1);
 n2=DHI(r);  n2=DHI(r);
 n3=DLO(r);  n3=DLO(r);
 #endif /* !defined(ASM_SM_SLASH_REM) */  #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 */  
 n3 = d1/n1;  
 n2 = d1%n1;  
 /* note that this 1%-3>0 is optimized by the compiler */  
 if (1%-3>0 && ((DHI(d1)^n1)<0) && n2!=0) {  
   n3--;  
   n2+=n1;  
 }  
 #endif /* !defined(ASM_SM_SLASH_REM4) */  
 #endif  
 :  :
  dup >r dup 0< IF  negate >r dnegate r>  THEN   dup >r dup 0< IF  negate >r dnegate r>  THEN
  over       0< IF  tuck + swap  THEN   over       0< IF  tuck + swap  THEN
Line 918  if (1%-3>0 && ((DHI(d1)^n1)<0) && n2!=0) Line 913  if (1%-3>0 && ((DHI(d1)^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_LL_DIV  
 #ifdef ASM_SM_SLASH_REM  #ifdef ASM_SM_SLASH_REM
 ASM_SM_SLASH_REM(d1.lo, d1.hi, n1, n2, n3);  ASM_SM_SLASH_REM(DLO(d1), DHI(d1), n1, n2, n3);
 #else /* !defined(ASM_SM_SLASH_REM) */  #else /* !defined(ASM_SM_SLASH_REM) */
 DCell r = smdiv(d1,n1);  DCell r = smdiv(d1,n1);
 n2=DHI(r);  n2=DHI(r);
 n3=DLO(r);  n3=DLO(r);
 #endif /* !defined(ASM_SM_SLASH_REM) */  #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 */  
 n3 = d1/n1;  
 n2 = d1%n1;  
 /* note that this 1%-3<0 is optimized by the compiler */  
 if (1%-3<0 && ((DHI(d1)^n1)<0) && n2!=0) {  
   n3++;  
   n2-=n1;  
 }  
 #endif /* !defined(ASM_SM_SLASH_REM4) */  
 #endif  
 :  :
  over >r dup >r abs -rot   over >r dup >r abs -rot
  dabs rot um/mod   dabs rot um/mod
Line 975  ud = (UDCell)u1 * (UDCell)u2; Line 955  ud = (UDCell)u1 * (UDCell)u2;
   
 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_LL_DIV  
 #ifdef ASM_UM_SLASH_MOD  #ifdef ASM_UM_SLASH_MOD
 ASM_UM_SLASH_MOD(ud.lo, ud.hi, u1, u2, u3);  ASM_UM_SLASH_MOD(DLO(ud), DHI(ud), u1, u2, u3);
 #else /* !defined(ASM_UM_SLASH_MOD) */  #else /* !defined(ASM_UM_SLASH_MOD) */
 UDCell r = umdiv(ud,u1);  UDCell r = umdiv(ud,u1);
 u2=DHI(r);  u2=DHI(r);
 u3=DLO(r);  u3=DLO(r);
 #endif /* !defined(ASM_UM_SLASH_MOD) */  #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;  
 u2 = ud%u1;  
 #endif /* !defined(ASM_UM_SLASH_MOD4) */  
 #endif  
 :  :
    0 swap [ 8 cells 1 + ] literal 0     0 swap [ 8 cells 1 + ] literal 0
    ?DO /modstep     ?DO /modstep
Line 1043  d2 = -d1; Line 1014  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_LL_SHIFT  d2 = DLSHIFT(d1,1);
 DLO_IS(d2, DLO(d1)<<1);  
 DHI_IS(d2, (DHI(d1)<<1) | (DLO(d1)>>(CELL_BITS-1)));  
 #else  
 d2 = 2*d1;  
 #endif  
 :  :
  2dup d+ ;   2dup d+ ;
   
Line 1229  useraddr ( #u -- a_addr ) new Line 1195  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
Line 1507  for (; f83name1 != NULL; f83name1 = (str Line 1473  for (; f83name1 != NULL; f83name1 = (str
       memcasecmp(c_addr, f83name1->name, u)== 0 /* or inline? */)        memcasecmp(c_addr, f83name1->name, u)== 0 /* or inline? */)
     break;      break;
 f83name2=f83name1;  f83name2=f83name1;
   #ifdef DEBUG
   fprintf(stderr, "F83find ");
   fwrite(c_addr, u, 1, stderr);
   fprintf(stderr, " found %08x\n", f83name2); 
   #endif
 :  :
     BEGIN  dup WHILE  (find-samelen)  dup  WHILE      BEGIN  dup WHILE  (find-samelen)  dup  WHILE
         >r 2dup r@ cell+ char+ capscomp  0=          >r 2dup r@ cell+ char+ capscomp  0=
Line 1637  n=1; Line 1608  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 )                gforth  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  
   
 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;
   
   \+os
   
 form    ( -- urows ucols )      gforth  form    ( -- urows ucols )      gforth
 ""The number of lines and columns in the terminal. These numbers may change  ""The number of lines and columns in the terminal. These numbers may
 with the window size.""  change with the window size.  Note that it depends on the OS whether
   this reflects the actual size and changes with the window size
   (currently only on Unix-like OSs).  On other OSs you just get a
   default, and can tell Gforth the terminal size by setting the
   environment variables @code{COLUMNS} and @code{LINES} before starting
   Gforth.""
 /* we could block SIGWINCH here to get a consistent size, but I don't  /* we could block SIGWINCH here to get a consistent size, but I don't
  think this is necessary or always beneficial */   think this is necessary or always beneficial */
 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 1698  is the host operating system's expansion Line 1690  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 1733  nhour =ltime->tm_hour; Line 1725  nhour =ltime->tm_hour;
 nmin  =ltime->tm_min;  nmin  =ltime->tm_min;
 nsec  =ltime->tm_sec;  nsec  =ltime->tm_sec;
   
 ms      ( n -- )        facility-ext  ms      ( u -- )        facility-ext
 ""Wait at least @i{n} milli-second.""  ""Wait at least @i{n} milli-second.""
 struct timeval timeout;  gforth_ms(u);
 timeout.tv_sec=n/1000;  
 timeout.tv_usec=1000*(n%1000);  
 (void)select(0,0,0,0,&timeout);  
   
 allocate        ( u -- a_addr wior )    memory  allocate        ( u -- a_addr wior )    memory
 ""Allocate @i{u} address units of contiguous data space. The initial  ""Allocate @i{u} address units of contiguous data space. The initial
Line 1775  else Line 1764  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 = (Address)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{gforth_SP} and @code{gforth_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 */
 FP=fp;  gforth_FP=fp;
 SP=sp;  gforth_SP=sp;
 ((void (*)())w)();  ((void (*)())w)();
 sp=SP;  sp=gforth_SP;
 fp=FP;  fp=gforth_FP;
   
 \+  \+
 \+file  \+file
Line 1801  close-file ( wfileid -- wior )  file clo Line 1790  close-file ( wfileid -- wior )  file clo
 wior = IOR(fclose((FILE *)wfileid)==EOF);  wior = IOR(fclose((FILE *)wfileid)==EOF);
   
 open-file       ( c_addr u wfam -- wfileid wior )       file    open_file  open-file       ( c_addr u wfam -- wfileid wior )       file    open_file
 wfileid = (Cell)fopen(tilde_cstr(c_addr, u, 1), fileattr[wfam]);  wfileid = opencreate_file(tilde_cstr(c_addr,u,1), wfam, 0, &wior);
 wior =  IOR(wfileid == 0);  
   
 create-file     ( c_addr u wfam -- wfileid wior )       file    create_file  create-file     ( c_addr u wfam -- wfileid wior )       file    create_file
 Cell    fd;  wfileid = opencreate_file(tilde_cstr(c_addr,u,1), wfam, O_CREAT|O_TRUNC, &wior);
 fd = open(tilde_cstr(c_addr, u, 1), O_CREAT|O_TRUNC|ufileattr[wfam], 0666);  
 if (fd != -1) {  
   wfileid = (Cell)fdopen(fd, fileattr[wfam]);  
   wior = IOR(wfileid == 0);  
 } else {  
   wfileid = 0;  
   wior = IOR(1);  
 }  
   
 delete-file     ( c_addr u -- wior )            file    delete_file  delete-file     ( c_addr u -- wior )            file    delete_file
 wior = IOR(unlink(tilde_cstr(c_addr, u, 1))==-1);  wior = IOR(unlink(tilde_cstr(c_addr, u, 1))==-1);
Line 1916  if(dent == NULL) { Line 1896  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 1941  wior = IOR(chdir(tilde_cstr(c_addr, u, 1 Line 1921  wior = IOR(chdir(tilde_cstr(c_addr, u, 1
 get-dir ( c_addr1 u1 -- c_addr2 u2 )    gforth get_dir  get-dir ( c_addr1 u1 -- c_addr2 u2 )    gforth get_dir
 ""Store the current directory in the buffer specified by @{c-addr1, u1}.  ""Store the current directory in the buffer specified by @{c-addr1, u1}.
 If the buffer size is not sufficient, return 0 0""  If the buffer size is not sufficient, return 0 0""
 c_addr2 = getcwd(c_addr1, u1);  c_addr2 = (Char *)getcwd((char *)c_addr1, u1);
 if(c_addr2 != NULL) {  if(c_addr2 != NULL) {
   u2 = strlen(c_addr2);    u2 = strlen((char *)c_addr2);
 } else {  } else {
   u2 = 0;    u2 = 0;
 }  }
Line 1961  char newline[] = { Line 1941  char newline[] = {
 '\r','\n'  '\r','\n'
 #endif  #endif
 };  };
 c_addr=newline;  c_addr=(Char *)newline;
 u=sizeof(newline);  u=sizeof(newline);
 :  :
  "newline count ;   "newline count ;
Line 2128  floor ( r1 -- r2 ) float Line 2108  floor ( r1 -- r2 ) float
 /* !! unclear wording */  /* !! unclear wording */
 r2 = floor(r1);  r2 = floor(r1);
   
 fround  ( r1 -- r2 )    gforth  f_round  fround  ( r1 -- r2 )    float   f_round
 ""Round to the nearest integral value.""  ""Round to the nearest integral value.""
 r2 = rint(r1);  r2 = rint(r1);
   
Line 2153  sig=ecvt(r, u, &decpt, &flag); Line 2133  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);
 siglen=strlen(sig);  siglen=strlen((char *)sig);
 if (siglen>u) /* happens in glibc-2.1.3 if 999.. is rounded up */  if (siglen>u) /* happens in glibc-2.1.3 if 999.. is rounded up */
   siglen=u;    siglen=u;
 if (!f2) /* workaround Cygwin trailing 0s for Inf and Nan */  if (!f2) /* workaround Cygwin trailing 0s for Inf and Nan */
Line 2413  r = fp[u]; Line 2393  r = fp[u];
 \g syslib  \g syslib
   
 open-lib        ( c_addr1 u1 -- u2 )    gforth  open_lib  open-lib        ( c_addr1 u1 -- u2 )    gforth  open_lib
 #if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)  #if 1
   u2 = (UCell)lt_dlopen(cstr(c_addr1, u1, 1));
   #elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)
 #ifndef RTLD_GLOBAL  #ifndef RTLD_GLOBAL
 #define RTLD_GLOBAL 0  #define RTLD_GLOBAL 0
 #endif  #endif
Line 2428  u2 = 0; Line 2410  u2 = 0;
 #endif  #endif
   
 lib-sym ( c_addr1 u1 u2 -- u3 ) gforth  lib_sym  lib-sym ( c_addr1 u1 u2 -- u3 ) gforth  lib_sym
 #if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)  #if 1
   u3 = (UCell) lt_dlsym((lt_dlhandle)u2, cstr(c_addr1, u1, 1));
   #elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)
 u3 = (UCell) dlsym((void*)u2,cstr(c_addr1, u1, 1));  u3 = (UCell) dlsym((void*)u2,cstr(c_addr1, u1, 1));
 #else  #else
 #  ifdef _WIN32  #  ifdef _WIN32
Line 2440  u3 = 0; Line 2424  u3 = 0;
 #endif  #endif
   
 wcall   ( ... u -- ... )        gforth  wcall   ( ... u -- ... )        gforth
 FP=fp;  gforth_FP=fp;
 sp=(Cell*)(SYSCALL(Cell*(*)(Cell *, void *))u)(sp, &FP);  sp=(Cell*)(SYSCALL(Cell*(*)(Cell *, void *))u)(sp, &gforth_FP);
 fp=FP;  fp=gforth_FP;
   
 w@ ( a_addr -- n )      gforth wfetch  uw@ ( c_addr -- u )     gforth u_w_fetch
 n = *(short*)(a_addr);  ""@i{u} is the zero-extended 16-bit value stored at @i{c_addr}.""
   u = *(UWyde*)(c_addr);
 w! ( n a_addr -- )      gforth wstore  
 *(short*)(a_addr) = n;  sw@ ( c_addr -- n )     gforth s_w_fetch
   ""@i{n} is the sign-extended 16-bit value stored at @i{c_addr}.""
 t@ ( a_addr -- n )      gforth tfetch  n = *(Wyde*)(c_addr);
 n = *(int*)(a_addr);  
   w! ( w c_addr -- )      gforth w_store
 t! ( n a_addr -- )      gforth tstore  ""Store the bottom 16 bits of @i{w} at @i{c_addr}.""
 *(int*)(a_addr) = n;  *(Wyde*)(c_addr) = w;
   
 \+FFCALL  ul@ ( c_addr -- u )     gforth u_l_fetch
   ""@i{u} is the zero-extended 32-bit value stored at @i{c_addr}.""
 av-start-void   ( c_addr -- )   gforth  av_start_void  u = *(UTetrabyte*)(c_addr);
 av_start_void(alist, c_addr);  
   sl@ ( c_addr -- n )     gforth s_l_fetch
 av-start-int    ( c_addr -- )   gforth  av_start_int  ""@i{n} is the sign-extended 32-bit value stored at @i{c_addr}.""
 av_start_int(alist, c_addr, &irv);  n = *(Tetrabyte*)(c_addr);
   
 av-start-float  ( c_addr -- )   gforth  av_start_float  l! ( w c_addr -- )      gforth l_store
 av_start_float(alist, c_addr, &frv);  ""Store the bottom 32 bits of @i{w} at @i{c_addr}.""
   *(Tetrabyte*)(c_addr) = w;
 av-start-double ( c_addr -- )   gforth  av_start_double  
 av_start_double(alist, c_addr, &drv);  lib-error ( -- c_addr u )       gforth  lib_error
   ""Error message for last failed @code{open-lib} or @code{lib-sym}.""
 av-start-longlong       ( c_addr -- )   gforth  av_start_longlong  c_addr = lt_dlerror();
 av_start_longlong(alist, c_addr, &llrv);  u = (c_addr == NULL) ? 0 : strlen(c_addr);
   
 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(engine_callback, (Xt *)a_ip);  
   
 va-start-void   ( -- )  gforth  va_start_void  
 va_start_void(clist);  
   
 va-start-int    ( -- )  gforth  va_start_int  
 va_start_int(clist);  
   
 va-start-longlong       ( -- )  gforth  va_start_longlong  
 va_start_longlong(clist);  
   
 va-start-ptr    ( -- )  gforth  va_start_ptr  
 va_start_ptr(clist, (char *));  
   
 va-start-float  ( -- )  gforth  va_start_float  
 va_start_float(clist);  
   
 va-start-double ( -- )  gforth  va_start_double  
 va_start_double(clist);  
   
 va-arg-int      ( -- w )        gforth  va_arg_int  
 w = va_arg_int(clist);  
   
 va-arg-longlong ( -- d )        gforth  va_arg_longlong  
 #ifdef BUGGY_LONG_LONG  
 DLO_IS(d, va_arg_longlong(clist));  
 DHI_IS(d, 0);  
 #else  
 d = va_arg_longlong(clist);  
 #endif  
   
 va-arg-ptr      ( -- c_addr )   gforth  va_arg_ptr  
 c_addr = (char *)va_arg_ptr(clist,char*);  
   
 va-arg-float    ( -- r )        gforth  va_arg_float  
 r = va_arg_float(clist);  
   
 va-arg-double   ( -- r )        gforth  va_arg_double  
 r = va_arg_double(clist);  
   
 va-return-void ( -- )   gforth va_return_void  
 va_return_void(clist);  
 return 0;  
   
 va-return-int ( w -- )  gforth va_return_int  
 va_return_int(clist, w);  
 return 0;  
   
 va-return-ptr ( c_addr -- )     gforth va_return_ptr  
 va_return_ptr(clist, void *, c_addr);  
 return 0;  
   
 va-return-longlong ( d -- )     gforth va_return_longlong  
 #ifdef BUGGY_LONG_LONG  
 va_return_longlong(clist, d.lo);  
 #else  
 va_return_longlong(clist, d);  
 #endif  
 return 0;  
   
 va-return-float ( r -- )        gforth va_return_float  
 va_return_float(clist, r);  
 return 0;  
   
 va-return-double ( r -- )       gforth va_return_double  
 va_return_double(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(a_cif, FFI_DEFAULT_ABI, n, a_rtype, a_atypes);  
   
 ffi-call ( a_avalues a_rvalue a_ip a_cif -- )   gforth ffi_call  
 ffi_call(a_cif, a_ip, a_rvalue, a_avalues);  
   
 ffi-prep-closure ( a_ip a_cif a_closure -- w )  gforth ffi_prep_closure  
 w = ffi_prep_closure(a_closure, a_cif, ffi_callback, 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 *)(*clist++);  
   
 ffi-arg-longlong ( -- d )       gforth ffi_arg_longlong  
 #ifdef BUGGY_LONG_LONG  
 DLO_IS(d, (Cell*)(*clist++));  
 DHI_IS(d, 0);  
 #else  
 d = *(DCell*)(*clist++);  
 #endif  
   
 ffi-arg-ptr ( -- c_addr )       gforth ffi_arg_ptr  
 c_addr = *(char **)(*clist++);  
   
 ffi-arg-float ( -- r )  gforth ffi_arg_float  
 r = *(float*)(*clist++);  
   
 ffi-arg-double ( -- r ) gforth ffi_arg_double  
 r = *(double*)(*clist++);  
   
 ffi-ret-void ( -- )     gforth ffi_ret_void  
 return 0;  
   
 ffi-ret-int ( w -- )    gforth ffi_ret_int  
 *(int*)(ritem) = w;  
 return 0;  
   
 ffi-ret-longlong ( d -- )       gforth ffi_ret_longlong  
 #ifdef BUGGY_LONG_LONG  
 *(Cell*)(ritem) = DLO(d);  
 #else  
 *(DCell*)(ritem) = d;  
 #endif  
 return 0;  
   
 ffi-ret-ptr ( c_addr -- )       gforth ffi_ret_ptr  
 *(char **)(ritem) = c_addr;  
 return 0;  
   
 ffi-ret-float ( r -- )  gforth ffi_ret_float  
 *(float*)(ritem) = r;  
 return 0;  
   
 ffi-ret-double ( r -- ) gforth ffi_ret_double  
 *(double*)(ritem) = r;  
 return 0;  
   
 \+  \+
   
 \+OLDCALL  
   
 define(`uploop',  
        `pushdef(`$1', `$2')_uploop(`$1', `$2', `$3', `$4', `$5')`'popdef(`$1')')  
 define(`_uploop',  
        `ifelse($1, `$3', `$5',  
                `$4`'define(`$1', incr($1))_uploop(`$1', `$2', `$3', `$4', `$5')')')  
 \ argflist(argnum): Forth argument list  
 define(argflist,  
        `ifelse($1, 0, `',  
                `uploop(`_i', 1, $1, `format(`u%d ', _i)', `format(`u%d ', _i)')')')  
 \ argdlist(argnum): declare C's arguments  
 define(argdlist,  
        `ifelse($1, 0, `',  
                `uploop(`_i', 1, $1, `Cell, ', `Cell')')')  
 \ argclist(argnum): pass C's arguments  
 define(argclist,  
        `ifelse($1, 0, `',  
                `uploop(`_i', 1, $1, `format(`u%d, ', _i)', `format(`u%d', _i)')')')  
 \ icall(argnum)  
 define(icall,  
 `icall$1        ( argflist($1)u -- uret )       gforth  
 uret = (SYSCALL(Cell(*)(argdlist($1)))u)(argclist($1));  
   
 ')  
 define(fcall,  
 `fcall$1        ( argflist($1)u -- rret )       gforth  
 rret = (SYSCALL(Float(*)(argdlist($1)))u)(argclist($1));  
   
 ')  
   
 \ close ' to keep fontify happy  
   
 uploop(i, 0, 7, `icall(i)')  
 icall(20)  
 uploop(i, 0, 7, `fcall(i)')  
 fcall(20)  
   
 \+  
 \+  
   
 \g peephole  \g peephole
   
 \+peephole  \+peephole

Removed from v.1.180  
changed lines
  Added in v.1.228


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