WebSVN – tendra.SVN – Diff – /trunk/src/installers/alpha/common/extern_adds.c

+/*
+ * Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of The TenDRA Project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific, prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
+ * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id$
+ */
 /*
     		 Crown Copyright (c) 1997
     This TenDRA(r) Computer Program is subject to Copyright
     owned by the United Kingdom Secretary of State for Defence
     acting through the Defence Evaluation and Research Agency
     (DERA).  It is made available to Recipients with a
     royalty-free licence for its use, reproduction, transfer
     to other parties and amendment for any purpose not excluding
     product development provided that any such use et cetera
     shall be deemed to be acceptance of the following conditions:-
         (1) Its Recipients shall ensure that this Notice is
         reproduced upon any copies or amended versions of it;
         (2) Any amended version of it shall be clearly marked to
         show both the nature of and the organisation responsible
         for the relevant amendment or amendments;
         (3) Its onward transfer from a recipient to another
         party shall be deemed to be that party's acceptance of
         these conditions;
         (4) DERA gives no warranty or assurance as to its
         quality or suitability for any purpose and DERA accepts
         no liability whatsoever in relation to any use to which
         it may be put.
 */
 #include "tags.h"
 #include "exp.h"
 #include "expmacs.h"
 #include "shapemacs.h"
 #include "externs.h"
-extern exp * ptr_position PROTO_S ((exp e));
+extern exp * ptr_position(exp e);
 /* replaces uses of extern in procs by local identification of address;
    initially replace usage chain by
      name:0; pt: usage chain in proc P; son: P; props: !=0 if in loop
 	no: no of usages in proc; bro: last in usage chain;
     in usages[no of procs]
     Use this to determine if and where to identify global to a proc local
 */
 exp * usages;
 static bool enter_parents
-    PROTO_N ( ( e ) )
-    PROTO_T ( exp e )
+(exp e)
+{
   exp dad =e;
   bool inloop = 0;
-  Assert(name(e)==name_tag);
+  Assert(name(e) ==name_tag);
-  for(;;) {
+  for (;;) {
     dad = father(dad);
-    if (name(dad)==rep_tag) {
+    if (name(dad) ==rep_tag) {
       inloop=1;
+    }
-    else if (name(dad)==proc_tag) {
+    else if (name(dad) ==proc_tag) {
       exp nu = usages[no(dad)];
       if (nu == nilexp) {
 	nu = getexp(sh(e), e, 1, dad, nilexp, 0,0, 0);
 	usages[no(dad)] = nu;
+      }
       props(nu) |= inloop;
       pt(e) = pt(nu);
 				/* remember pt(e) before entry */
       pt(nu) = e;
-      no(nu)++;
+      no(nu) ++;
       return 1;
+    }
-    else if (name(dad)== ident_tag && isglob(dad)) {
+    else if (name(dad) == ident_tag && isglob(dad)) {
       return 0;
+    }
     else if (name(dad) == 102 || name(dad) == hold_tag) {
       /* thou shalt use descriptive names for constants (102 ?) */
+}
 void global_usages
-    PROTO_N ( ( id, nop ) )
-    PROTO_T ( exp id X int nop )
+(exp id, int nop)
+{
   exp plist, nextpl;
   int i;
-  Assert(name(id)==ident_tag && isglob(id) && son(id)==nilexp);
+  Assert(name(id) ==ident_tag && isglob(id) && son(id) ==nilexp);
-  if (no(id)==0) return;
+  if (no(id) ==0) return;
-  for(i=0; i<nop; i++) {
+  for (i=0; i<nop; i++) {
     usages[i] = nilexp;
+  }
   plist = pt(id);
   nextpl = pt(plist);
   pt(id) = nilexp;
   no(id) = 0;
-  for(;;) {
+  for (;;) {
     if (!enter_parents(plist)) {
       pt(plist) = pt(id);
       pt(id) = plist;
-      no(id)++;
+      no(id) ++;
+    }
-    if ((plist = nextpl) == nilexp) break;
+    if ((plist = nextpl) == nilexp)break;
     nextpl = pt(plist);
+  }
-  for(i=0; i<nop; i++) {
+  for (i=0; i<nop; i++) {
     exp ui = usages[i];
     if (ui != nilexp) {
-      if (props(ui) != 0  ) {
+      if (props(ui)!= 0 ) {
 	/* id is used enough in proc i -
 	   so identify it locally */
 	exp * pi;
 	shape sname = f_pointer(f_alignment(sh(id)));
-	for(pi= &son(son(ui));;) {
+	for (pi= &son(son(ui));;) {
-	  if (name(*pi)== ident_tag && isparam(*pi)) {
+	  if (name(*pi) == ident_tag && isparam(*pi)) {
 	    pi = &bro(son(*pi));
+	  }
 	  else if (name(*pi) == diagnose_tag || name(*pi) == prof_tag) {
 	    pi = &son(*pi);
 	  }
 	  else {
 	    /* invent new def to identify global ... */
 	    exp nl = getexp(sname,
 			    *pi, 0, id, pt(id), 0, 0, name_tag);
 	    exp ndef = getexp(sh(*pi), bro(*pi),last(*pi),
 			      nl, nilexp, 0x10/*don't defer */,
 , ident_tag);
 	    exp lu = pt(ui);
 	    setlast(*pi); bro(*pi) = ndef;
-	    pt(id) = nl; no(id)++;
+	    pt(id) = nl; no(id) ++;
 	    setcaonly(ndef);
 	    *pi = ndef;
 	    /*... and replace uses of global by ndef */
-	    while(lu != nilexp) {
+	    while (lu != nilexp) {
 	      exp nlu = pt(lu);
 	      if (no(lu)!=0) {
 		exp * plu = ptr_position(lu);
 		exp nrf = getexp(sh(lu), bro(lu), last(lu),
 				 lu, nilexp, 0, no(lu), reff_tag);
 		bro(lu) = nrf; setlast(lu);
 		*plu = nrf;
+	      }
 	      son(lu) = ndef;
 	      pt(lu) = pt(ndef);
-	      pt(ndef)= lu; no(ndef)++;
+	      pt(ndef) = lu; no(ndef) ++;
 	      lu = nlu;
+	    }
 	    break;
+	  }
+	}
+      }
       else {
 	/* restore normal usage chain */
 	pt(bro(ui)) = pt(id);
 	pt(id) = pt(ui);
-	no(id)+= no(ui);
+	no(id) += no(ui);
+      }
       retcell(ui);
+    }
+  }
 }

Subversion Repositories tendra.SVN

(root)/trunk/src/installers/alpha/common/extern_adds.c – Rev 2 → 7