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Diff for /gforth/prim between versions 1.91 and 1.95

version 1.91, 2002/01/20 19:04:10 version 1.95, 2002/06/17 12:34:41
Line 53 Line 53
 \ your code does not fall through, the results are not stored into the  \ your code does not fall through, the results are not stored into the
 \ stack. Use different names on both sides of the '--', if you change a  \ stack. Use different names on both sides of the '--', if you change a
 \ value (some stores to the stack are optimized away).  \ value (some stores to the stack are optimized away).
 \   \
 \   \ For superinstructions the syntax is:
   \
   \ forth-name [/ c-name] = forth-name forth-name ...
   \
 \   \ 
 \ The stack variables have the following types:  \ The stack variables have the following types:
 \   \ 
 \ name matches  type  \ name matches  type
 \ f.*           Bool  \ f.*           Bool
 \ c.*           Char  \ c.*           Char
 \ [nw].*                Cell  \ [nw].*        Cell
 \ u.*           UCell  \ u.*           UCell
 \ d.*           DCell  \ d.*           DCell
 \ ud.*          UDCell  \ ud.*          UDCell
Line 2163  Variable UP Line 2166  Variable UP
 wcall   ( u -- )        gforth  wcall   ( u -- )        gforth
 IF_fpTOS(fp[0]=fpTOS);  IF_fpTOS(fp[0]=fpTOS);
 FP=fp;  FP=fp;
 sp=(Cell*)(SYSCALL(Cell(*)(Cell *, void *))u)(sp, &FP);  sp=(Cell*)(SYSCALL(Cell*(*)(Cell *, void *))u)(sp, &FP);
 fp=FP;  fp=FP;
 IF_spTOS(spTOS=sp[0];)  IF_spTOS(spTOS=sp[0];)
 IF_fpTOS(fpTOS=fp[0]);  IF_fpTOS(fpTOS=fp[0]);
Line 2171  IF_fpTOS(fpTOS=fp[0]); Line 2174  IF_fpTOS(fpTOS=fp[0]);
 \+file  \+file
   
 open-dir        ( c_addr u -- wdirid wior )     gforth  open_dir  open-dir        ( c_addr u -- wdirid wior )     gforth  open_dir
   ""Open the directory specified by @i{c-addr, u}
   and return @i{dir-id} for futher access to it.""
 wdirid = (Cell)opendir(tilde_cstr(c_addr, u, 1));  wdirid = (Cell)opendir(tilde_cstr(c_addr, u, 1));
 wior =  IOR(wdirid == 0);  wior =  IOR(wdirid == 0);
   
 read-dir        ( c_addr u1 wdirid -- u2 flag wior )    gforth  read_dir  read-dir        ( c_addr u1 wdirid -- u2 flag wior )    gforth  read_dir
   ""Attempt to read the next entry from the directory specified
   by @i{dir-id} to the buffer of length @i{u1} at address @i{c-addr}. 
   If the attempt fails because there is no more entries,
   @i{ior}=0, @i{flag}=0, @i{u2}=0, and the buffer is unmodified.
   If the attempt to read the next entry fails because of any other reason, 
   return @i{ior}<>0.
   If the attempt succeeds, store file name to the buffer at @i{c-addr}
   and return @i{ior}=0, @i{flag}=true and @i{u2} equal to the size of the file name.
   If the length of the file name is greater than @i{u1}, 
   store first @i{u1} characters from file name into the buffer and
   indicate "name too long" with @i{ior}, @i{flag}=true, and @i{u2}=@i{u1}.""
 struct dirent * dent;  struct dirent * dent;
 dent = readdir((DIR *)wdirid);  dent = readdir((DIR *)wdirid);
 wior = 0;  wior = 0;
Line 2192  if(dent == NULL) { Line 2208  if(dent == NULL) {
 }  }
   
 close-dir       ( wdirid -- wior )      gforth  close_dir  close-dir       ( wdirid -- wior )      gforth  close_dir
   ""Close the directory specified by @i{dir-id}.""
 wior = IOR(closedir((DIR *)wdirid));  wior = IOR(closedir((DIR *)wdirid));
   
 filename-match  ( c_addr1 u1 c_addr2 u2 -- flag )       gforth  match_file  filename-match  ( c_addr1 u1 c_addr2 u2 -- flag )       gforth  match_file
Line 2409  a_addr = (Cell *)(up+u); Line 2426  a_addr = (Cell *)(up+u);
 compile-prim ( xt1 -- xt2 )     new     compile_prim  compile-prim ( xt1 -- xt2 )     new     compile_prim
 xt2 = (Xt)compile_prim((Label)xt1);  xt2 = (Xt)compile_prim((Label)xt1);
   
 lit@    ( #a_addr -- w )        new     lit_fetch  lit@ / lit_fetch = lit @
 w = *a_addr;  
   
 lit-perform     ( #a_addr -- )  new     lit_perform  lit-perform     ( #a_addr -- )  new     lit_perform
 ip=IP;  ip=IP;
 SUPER_END;  SUPER_END;
 EXEC(*(Xt *)a_addr);  EXEC(*(Xt *)a_addr);
   
 lit+    ( #n1 n2 -- n3 )        new     lit_plus  lit+ / lit_plus = lit +
 n3 = n1 + n2;  
   
 does-exec ( #a_cfa -- R:nest a_pfa )    new     does_exec  does-exec ( #a_cfa -- R:nest a_pfa )    new     does_exec
 a_pfa = PFA(a_cfa);  a_pfa = PFA(a_cfa);
Removed from v.1.91  
changed lines
  Added in v.1.95

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