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https://github.com/Interlisp/maiko.git
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Create car-cdr.h to declare functions defined in car-cdr.c
Update files that depend on car-cdr functions to include car-cdr.h.
Add dependencies to makefile.
modified: makefile-darwin.386-x
modified: makefile-init.386
modified: makefile-tail
new file: ../inc/car-cdr.h
modified: ../src/bbtsub.c
modified: ../src/car-cdr.c
modified: ../src/dsk.c
modified: ../src/gcarray.c
modified: ../src/gcrcell.c
modified: ../src/kprint.c
modified: ../src/loopsops.c
modified: ../src/lsthandl.c
modified: ../src/mvs.c
modified: ../src/storage.c
modified: ../src/sxhash.c
modified: ../src/vars3.c
modified: ../src/xc.c
modified: ../src/z2.c
This commit is contained in:
@@ -44,6 +44,7 @@ static char *id = "$Id: car-cdr.c,v 1.3 1999/05/31 23:35:25 sybalsky Exp $ Copyr
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#include "adr68k.h"
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#include "gc.h"
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#include "cell.h"
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#include "car-cdr.h"
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/************************************************************************/
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/* */
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@@ -191,7 +192,8 @@ LispPTR rplaca(register LispPTR x, register LispPTR y)
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*/
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/**********************************************************************/
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#ifdef NEWCDRCODING
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ConsCell *find_cdrable_pair(LispPTR carpart, LispPTR cdrpart); /* below... */
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static ConsCell *find_cdrable_pair(LispPTR carpart, LispPTR cdrpart); /* below... */
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static ConsCell *find_close_cell(struct conspage *page, LispPTR oldcell);
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#endif
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extern struct conspage *next_conspage(void); /* conspage.c */
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@@ -206,7 +208,6 @@ LispPTR rplacd(LispPTR x, register LispPTR y)
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LispPTR rp_page;
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DLword cdr_code;
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register struct conspage *cons68k;
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ConsCell *find_close_cell(struct conspage * page, LispPTR oldcell);
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if (Listp(x) == NIL) {
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if (x == NIL_PTR) {
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@@ -475,42 +476,6 @@ LispPTR N_OP_rplacd(register LispPTR tosm1, register LispPTR tos) {
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} /* end of N_OP_rplacd */
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/************************************************************************/
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/* */
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/* f i n d _ c l o s e _ c e l l */
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/* */
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/* Given the real address of a CONS page and an existing cell */
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/* on that page, return another cell that is close enough to */
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/* be used as the CDR of the existing cell (i.e., within 7 */
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/* cells. If no such cell exists, return 0. */
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/* */
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/* If a cell is found, it is taken off the free chain before */
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/* being returned. */
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/* */
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/************************************************************************/
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ConsCell *find_close_cell(struct conspage *page, LispPTR oldcell) {
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unsigned oldoffset = oldcell & 0xFF;
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unsigned offset = page->next_cell;
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unsigned prior = 0;
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while (offset) {
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if ((offset > oldoffset) && (offset <= (oldoffset + 14))) {
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if (prior)
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((freecons *)((DLword *)page + prior))->next_free =
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((freecons *)((DLword *)page + offset))->next_free;
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else
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page->next_cell = ((freecons *)((DLword *)page + offset))->next_free;
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page->count -= 1;
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return (ConsCell *)((DLword *)page + offset);
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}
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prior = offset;
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offset = ((freecons *)((DLword *)page + offset))->next_free;
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}
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return ((ConsCell *)0); /* No cell close enough */
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}
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/************************************************************************/
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/* */
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/* f i n d _ c l o s e _ p r i o r _ c e l l */
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@@ -559,15 +524,52 @@ ConsCell *find_close_prior_cell(struct conspage *page, LispPTR oldcell) {
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return ((ConsCell *)0); /* No cell close enough */
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}
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#ifdef NEWCDRCODING
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/************************************************************************/
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/* */
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/* f i n d _ c l o s e _ c e l l */
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/* */
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/* Given the real address of a CONS page and an existing cell */
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/* on that page, return another cell that is close enough to */
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/* be used as the CDR of the existing cell (i.e., within 7 */
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/* cells. If no such cell exists, return 0. */
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/* */
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/* If a cell is found, it is taken off the free chain before */
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/* being returned. */
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/* */
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/************************************************************************/
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static ConsCell *find_close_cell(struct conspage *page, LispPTR oldcell) {
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unsigned oldoffset = oldcell & 0xFF;
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unsigned offset = page->next_cell;
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unsigned prior = 0;
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while (offset) {
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if ((offset > oldoffset) && (offset <= (oldoffset + 14))) {
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if (prior)
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((freecons *)((DLword *)page + prior))->next_free =
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((freecons *)((DLword *)page + offset))->next_free;
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else
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page->next_cell = ((freecons *)((DLword *)page + offset))->next_free;
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page->count -= 1;
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return (ConsCell *)((DLword *)page + offset);
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}
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prior = offset;
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offset = ((freecons *)((DLword *)page + offset))->next_free;
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}
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return ((ConsCell *)0); /* No cell close enough */
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}
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/************************************************************************/
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/* */
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/* f i n d _ c d r p a i r _ i n _ p a g e */
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/* */
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/* */
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/* */
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/************************************************************************/
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ConsCell *find_cdrpair_in_page(struct conspage *pg, LispPTR carpart, LispPTR cdrpart) {
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static ConsCell *find_cdrpair_in_page(struct conspage *pg, LispPTR carpart, LispPTR cdrpart) {
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ConsCell *cell;
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unsigned offset, prior, priorprior, nprior, poffset, noffset;
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@@ -634,13 +636,13 @@ ConsCell *find_cdrpair_in_page(struct conspage *pg, LispPTR carpart, LispPTR cdr
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/************************************************************************/
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/* */
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/* */
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/* f i n d _ c d r a b l e _ p a i r */
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/* */
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/* */
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/* */
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/************************************************************************/
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ConsCell *find_cdrable_pair(LispPTR carpart, LispPTR cdrpart) {
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static ConsCell *find_cdrable_pair(LispPTR carpart, LispPTR cdrpart) {
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unsigned offset, prior, priorprior, pgno;
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struct conspage *pg;
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ConsCell *cell;
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@@ -652,3 +654,5 @@ ConsCell *find_cdrable_pair(LispPTR carpart, LispPTR cdrpart) {
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return (find_cdrpair_in_page(next_conspage(), carpart, cdrpart));
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}
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#endif
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