Diff for /gforth/prim between versions 1.114 and 1.125

version 1.114, 2003/01/07 22:38:36 version 1.125, 2003/01/26 20:56:37
Line 557  cmove ( c_from c_to u -- ) string c_move Line 557  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 566  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 586  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 )  : sgn ( n -- -1/0/1 )
  dup 0= IF EXIT THEN  0< 2* 1+ ;   dup 0= IF EXIT THEN  0< 2* 1+ ;
   
 -text   ( c_addr1 u c_addr2 -- n )      new     dash_text  \ -text is only used by replaced primitives now; move it elsewhere
 n = memcmp(c_addr1, c_addr2, u);  \ -text ( c_addr1 u c_addr2 -- n )      new     dash_text
 if (n<0)  \ n = memcmp(c_addr1, c_addr2, u);
   n = -1;  \ if (n<0)
 else if (n>0)  \   n = -1;
   n = 1;  \ else if (n>0)
 :  \   n = 1;
  swap bounds  \ :
  ?DO  dup c@ I c@ = WHILE  1+  LOOP  drop 0  \  swap bounds
  ELSE  c@ I c@ - unloop  THEN  sgn ;  \  ?DO  dup c@ I c@ = WHILE  1+  LOOP  drop 0
 : sgn ( n -- -1/0/1 )  \  ELSE  c@ I c@ - unloop  THEN  sgn ;
  dup 0= IF EXIT THEN  0< 2* 1+ ;  \ : 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}
Line 621  c2 = toupper(c1); Line 614  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  
 n = memcasecmp(c_addr1, c_addr2, u); /* !! use something that works in all locales */  
 if (n<0)  
   n = -1;  
 else if (n>0)  
   n = 1;  
 :  
  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 ;  
   
 -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}
 characters from the start of the string.""  characters from the start of the string.""
Line 1343  c_addr2 = c_addr1+1; Line 1313  c_addr2 = c_addr1+1;
 \g compiler  \g compiler
   
 (listlfind)     ( c_addr u longname1 -- longname2 )     new     paren_listlfind  (listlfind)     ( c_addr u longname1 -- longname2 )     new     paren_listlfind
 for (; longname1 != NULL; longname1 = (struct Longname *)(longname1->next))  longname2=listlfind(c_addr, u, longname1);
   if ((UCell)LONGNAME_COUNT(longname1)==u &&  
       memcasecmp(c_addr, longname1->name, u)== 0 /* or inline? */)  
     break;  
 longname2=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 1360  longname2=longname1; Line 1326  longname2=longname1;
 \+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 1337  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 1404  while(a_addr != NULL) Line 1346  while(a_addr != NULL)
         rdrop r>          rdrop r>
  REPEAT nip nip ;   REPEAT nip nip ;
   
 (hashkey)       ( c_addr u1 -- u2 )             gforth  paren_hashkey  
 u2=0;  
 while(u1--)  
    u2+=(Cell)toupper(*c_addr++);  
 :  
  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 1442  Create rot-values Line 1365  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 1386  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 1595  FLUSH_ICACHE(c_addr,u); Line 1458  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  #ifndef MSDOS
 int old_tp=terminal_prepped;  int old_tp=terminal_prepped;
 deprep_terminal();  deprep_terminal();
Line 1731  wior = IOR(unlink(tilde_cstr(c_addr, u, Line 1594  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 1620  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 1657  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 1886  flag = FLAG(!fnmatch(pattern, string, 0) Line 1712  flag = FLAG(!fnmatch(pattern, string, 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
 };  };
Line 2060  else Line 1887  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(sig);
   if (siglen>u) /* happens in glibc-2.1.3 if 999.. is rounded up */
     siglen=u;
   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 -- 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
Line 2075  representation. If the string represents Line 1907  representation. If the string represents
 @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;    IF_fpTOS(fp[0] = fpTOS);
 if(number[0]=='-') {    fp += -1;
    sign = 1;    fpTOS = r;
    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 2051  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 2059  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 2435  IF_fpTOS(fpTOS=fp[0]); Line 2228  IF_fpTOS(fpTOS=fp[0]);
   
 \g peephole  \g peephole
   
 primtable       ( -- wprimtable )       new  compile-prim1 ( a_prim -- ) gforth compile_prim1
 ""wprimtable is a table containing the xts of the primitives indexed  ""compile prim (incl. immargs) at @var{a_prim}""
 by sequence-number in prim (for use in prepare-peephole-table).""  compile_prim1(a_prim);
 wprimtable = (Cell)primtable(symbols+DOESJUMP+1,MAX_SYMBOLS-DOESJUMP-1);  
   finish-code ( -- ) gforth finish_code
 prepare-peephole-table  ( wprimtable -- wpeeptable ) new prepare_peephole_opt  ""Perform delayed steps in code generation (branch resolution, I-cache
 ""wpeeptable is a data structure used by @code{peephole-opt}; it is  flushing).""
 constructed by combining a primitives table with a simple peephole  finish_code();
 optimization table.""  
 wpeeptable = prepare_peephole_table((Xt *)wprimtable);  forget-dyncode ( c_code -- f ) gforth-internal forget_dyncode
   f = forget_dyncode(c_code);
 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  decompile-prim ( a_code -- a_prim ) gforth-internal decompile_prim
 xt2 = (Xt)compile_prim((Label)xt1);  ""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 2262  JUMP(a_callee);
 assert(0);  assert(0);
 #endif  #endif
   
 compile-prim1 ( a_prim -- ) gforth compile_prim1  
 ""compile prim (incl. immargs) at @var{a_prim}""  
 compile_prim1(a_prim);  
   
 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 = (Label)decompile_code((Label)a_code);  
   
 \+  \+
   
 include(peeprules.vmg)  include(peeprules.vmg)

Removed from v.1.114  
changed lines
  Added in v.1.125


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