--- gforth/prim	2001/01/27 20:14:55	1.71
+++ gforth/prim	2002/01/05 20:16:17	1.89
@@ -72,9 +72,12 @@
 \ df_.*		DFloat *
 \ sf_.*		SFloat *
 \ xt.*		XT
-\ wid.*		WID
 \ f83name.*	F83Name *
 
+\E stack data-stack   sp Cell
+\E stack fp-stack     fp Float
+\E stack return-stack rp Cell
+\E
 \E get-current prefixes set-current
 \E 
 \E s" Bool"		single data-stack type-prefix f
@@ -91,7 +94,6 @@
 \E s" DFloat *"		single data-stack type-prefix df_
 \E s" SFloat *"		single data-stack type-prefix sf_
 \E s" Xt"		single data-stack type-prefix xt
-\E s" WID"		single data-stack type-prefix wid
 \E s" struct F83Name *"	single data-stack type-prefix f83name
 \E s" struct Longname *" single data-stack type-prefix longname
 \E 
@@ -128,6 +130,9 @@
 \ these m4 macros would collide with identifiers
 undefine(`index')
 undefine(`shift')
+undefine(`symbols')
+
+\g control
 
 noop	( -- )		gforth
 :
@@ -141,6 +146,7 @@ execute	( xt -- )		core
 ""Perform the semantics represented by the execution token, @i{xt}.""
 ip=IP;
 IF_spTOS(spTOS = sp[0]);
+SUPER_END;
 EXEC(xt);
 
 perform	( a_addr -- )	gforth
@@ -148,6 +154,7 @@ perform	( a_addr -- )	gforth
 /* and pfe */
 ip=IP;
 IF_spTOS(spTOS = sp[0]);
+SUPER_END;
 EXEC(*(Xt *)a_addr);
 :
  @ execute ;
@@ -174,6 +181,7 @@ $1 ( `#'ndisp $2 ) $3
 $4	SET_IP((Xt *)(((Cell)(IP-1))+ndisp));
 TAIL;
 }
+SUPER_CONTINUE;
 $5
 
 \+glocals
@@ -183,6 +191,7 @@ $4    lp += nlocals;
 SET_IP((Xt *)(((Cell)(IP-2))+ndisp));
 TAIL;
 }
+SUPER_CONTINUE;
 
 \+
 )
@@ -209,6 +218,7 @@ if (f==0) {
   SET_IP((Xt *)(((Cell)(IP-1))+ndisp));
   TAIL;
 }
+SUPER_CONTINUE;
 
 ?dup-0=-?branch	( #ndisp f -- )	new	question_dupe_zero_equals_question_branch
 ""The run-time procedure compiled by @code{?DUP-0=-IF}.""
@@ -221,6 +231,7 @@ if (f!=0) {
   SET_IP((Xt *)(((Cell)(IP-1))+ndisp));
   NEXT;
 }
+SUPER_CONTINUE;
 
 \+
 \f[THEN]
@@ -302,6 +313,7 @@ if (nstart == nlimit) {
     SET_IP((Xt *)(((Cell)(IP-1))+ndisp));
     TAIL;
 }
+SUPER_CONTINUE;
 :
   2dup =
   IF   r> swap rot >r >r
@@ -317,6 +329,7 @@ if (nstart >= nlimit) {
     SET_IP((Xt *)(((Cell)(IP-1))+ndisp));
     TAIL;
 }
+SUPER_CONTINUE;
 :
  swap 2dup
  r> swap >r swap >r
@@ -332,6 +345,7 @@ if (ustart >= ulimit) {
     SET_IP((Xt *)(((Cell)(IP-1))+ndisp));
     TAIL;
 }
+SUPER_CONTINUE;
 :
  swap 2dup
  r> swap >r swap >r
@@ -347,6 +361,7 @@ if (nstart <= nlimit) {
     SET_IP((Xt *)(((Cell)(IP-1))+ndisp));
     TAIL;
 }
+SUPER_CONTINUE;
 :
  swap 2dup
  r> swap >r swap >r
@@ -362,6 +377,7 @@ if (ustart <= ulimit) {
     SET_IP((Xt *)(((Cell)(IP-1))+ndisp));
     TAIL;
 }
+SUPER_CONTINUE;
 :
  swap 2dup
  r> swap >r swap >r
@@ -404,6 +420,8 @@ k	( R:n R:d1 R:d2 -- n R:n R:d1 R:d2 )
 
 \ digit is high-level: 0/0%
 
+\g strings
+
 move	( c_from c_to ucount -- )		core
 ""Copy the contents of @i{ucount} aus at @i{c-from} to
 @i{c-to}. @code{move} works correctly even if the two areas overlap.""
@@ -513,6 +531,8 @@ u2 = u1-n;
 :
  tuck - >r + r> dup 0< IF  - 0  THEN ;
 
+\g arith
+
 +	( n1 n2 -- n )		core	plus
 n = n1+n2;
 
@@ -910,6 +930,8 @@ f = FLAG(u1-u2 < u3-u2);
 :
  over - >r - r> u< ;
 
+\g internal
+
 sp@	( -- a_addr )		gforth		sp_fetch
 a_addr = sp+1;
 
@@ -937,6 +959,8 @@ fp = f_addr;
 ""The primitive compiled by @code{EXIT}.""
 SET_IP((Xt *)w);
 
+\g stack
+
 >r	( w -- R:w )		core	to_r
 :
  (>r) ;
@@ -1187,7 +1211,7 @@ f83name2=f83name1;
 	r> @
     REPEAT  THEN  nip nip ;
 : (find-samelen) ( u f83name1 -- u f83name2/0 )
-    BEGIN  2dup cell+ c@ $1F and <> WHILE  @  dup 0= UNTIL  THEN ;
+    BEGIN  2dup cell+ c@ $1F and <> WHILE  @  dup 0= UNTIL THEN ;
 
 \+hash
 
@@ -1376,6 +1400,8 @@ n=1;
 
 \f[THEN]
 
+\g hostos
+
 key-file	( wfileid -- n )		gforth	paren_key_file
 #ifdef HAS_FILE
 fflush(stdout);
@@ -1424,6 +1450,7 @@ cache.""
 FLUSH_ICACHE(c_addr,u);
 
 (bye)	( n -- )	gforth	paren_bye
+SUPER_END;
 return (Label *)n;
 
 (system)	( c_addr u -- wretval wior )	gforth	peren_system
@@ -1448,7 +1475,7 @@ c_addr2 = getenv(cstr(c_addr1,u1,1));
 u2 = (c_addr2 == NULL ? 0 : strlen(c_addr2));
 
 open-pipe	( c_addr u wfam -- wfileid wior )	gforth	open_pipe
-wfileid=(Cell)popen(cstr(c_addr,u,1),fileattr[wfam]); /* ~ expansion of 1st arg? */
+wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */
 wior = IOR(wfileid==0); /* !! the man page says that errno is not set reliably */
 
 close-pipe	( wfileid -- wretval wior )		gforth	close_pipe
@@ -1590,7 +1617,7 @@ if (wior)
   clearerr((FILE *)wfileid);
 
 read-line	( c_addr u1 wfileid -- u2 flag wior )	file	read_line
-""this is only for backward compatibility""
+/* this may one day be replaced with : read-line (read-line) nip ; */
 Cell c;
 flag=-1;
 for(u2=0; u2<u1; u2++)
@@ -1666,6 +1693,8 @@ else {
 \+
 \+floating
 
+\g floating
+
 comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth)
 comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth)
 
@@ -2137,7 +2166,7 @@ Variable UP
 wcall	( u -- )	gforth
 IF_fpTOS(fp[0]=fpTOS);
 FP=fp;
-sp=(SYSCALL(Cell(*)(Cell *, void *))u)(sp, &FP);
+sp=(Cell*)(SYSCALL(Cell(*)(Cell *, void *))u)(sp, &FP);
 fp=FP;
 IF_spTOS(spTOS=sp[0];)
 IF_fpTOS(fpTOS=fp[0]);
@@ -2288,13 +2317,13 @@ for (; longname1 != NULL; longname1 = (s
     break;
 longname2=longname1;
 :
-    BEGIN  dup WHILE  (find-samelen)  dup  WHILE
-	>r 2dup r@ cell+ char+ capscomp  0=
+    BEGIN  dup WHILE  (findl-samelen)  dup  WHILE
+	>r 2dup r@ cell+ cell+ capscomp  0=
 	IF  2drop r>  EXIT  THEN
 	r> @
     REPEAT  THEN  nip nip ;
-: (find-samelen) ( u longname1 -- u longname2/0 )
-    BEGIN  2dup cell+ c@ $1F and <> WHILE  @  dup 0= UNTIL  THEN ;
+: (findl-samelen) ( u longname1 -- u longname2/0 )
+    BEGIN  2dup cell+ @ lcount-mask and <> WHILE  @  dup 0= UNTIL  THEN ;
 
 \+hash
 
@@ -2314,8 +2343,8 @@ while(a_addr != NULL)
 }
 :
  BEGIN  dup  WHILE
-        2@ >r >r dup r@ cell+ c@ $1F and =
-        IF  2dup r@ cell+ char+ capscomp 0=
+        2@ >r >r dup r@ cell+ @ lcount-mask and =
+        IF  2dup r@ cell+ cell+ capscomp 0=
 	    IF  2drop r> rdrop  EXIT  THEN  THEN
 	rdrop r>
  REPEAT nip nip ;
@@ -2337,10 +2366,71 @@ while(a_addr != NULL)
 }
 :
  BEGIN  dup  WHILE
-        2@ >r >r dup r@ cell+ c@ $1F and =
-        IF  2dup r@ cell+ char+ -text 0=
+        2@ >r >r dup r@ cell+ @ lcount-mask and =
+        IF  2dup r@ cell+ cell+ -text 0=
 	    IF  2drop r> rdrop  EXIT  THEN  THEN
 	rdrop r>
  REPEAT nip nip ;
 
 \+
+
+\+peephole
+
+\g peephole
+
+primtable	( -- wprimtable )	new
+""wprimtable is a table containing the xts of the primitives indexed
+by sequence-number in prim (for use in prepare-peephole-table).""
+wprimtable = (Cell)primtable(symbols+DOESJUMP+1,MAX_SYMBOLS-DOESJUMP-1);
+
+prepare-peephole-table	( wprimtable -- wpeeptable ) new prepare_peephole_opt
+""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);
+
+call	( #a_callee -- R:a_retaddr )	new
+""Call callee (a variant of docol with inline argument).""
+#ifdef DEBUG
+    {
+      CFA_TO_NAME((((Cell *)a_callee)-2));
+      fprintf(stderr,"%08lx: call %08lx %.*s\n",(Cell)ip,(Cell)a_callee,
+	      len,name);
+    }
+#endif
+a_retaddr = (Cell *)IP;
+SET_IP((Xt *)a_callee);
+
+useraddr	( #u -- a_addr )	new
+a_addr = (Cell *)(up+u);
+
+compile-prim ( xt1 -- xt2 )	new	compile_prim
+xt2 = (Xt)compile_prim((Label)xt1);
+
+lit@	( #a_addr -- w )	new	lit_fetch
+w = *a_addr;
+
+lit-perform	( #a_addr -- )	new	lit_perform
+ip=IP;
+SUPER_END;
+EXEC(*(Xt *)a_addr);
+
+lit+	( #n1 n2 -- n3 )	new	lit_plus
+n3 = n1 + n2;
+
+does-exec ( #a_cfa -- R:nest a_pfa )	new	does_exec
+a_pfa = PFA(a_cfa);
+nest = (Cell)ip;
+IF_spTOS(spTOS = sp[0]);
+SUPER_END;
+SET_IP(DOES_CODE1(a_cfa));
+SUPER_END;
+
+include(peeprules.vmg)
+
+\+