d0p1/ack
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Major change: All queues now in same buffer

Browse source
This commit is contained in:
bruce 1987-07-21 13:23:09 +00:00
parent 3929b47776
commit 1c1eed4fd8
11 changed files with 308 additions and 331 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
modules/src/em_opt/Makefile
View file

@ -1,5 +1,5 @@
# $Header$
EMHOME = ../../..
EMHOME = /proj/em/Work
INSTALL = $(EMHOME)/modules/install
COMPARE = $(EMHOME)/modules/compare
LINT = lint
@ -35,7 +35,7 @@ CSRC = main.c nopt.c mkstrct.c aux.c outputdfa.c outcalls.c\
SRCS = Makefile nopt.h parser.h parser.g syntax.l pseudo.r\
patterns $(CSRC)
NOFILES = nopt.o dfa.o trans.o aux.o
NOFILES = nopt.o mkstrct.o dfa.o trans.o aux.o
POFILES = parser.o syntax.o outputdfa.o outcalls.o findworst.o\
initlex.o Lpars.o
@ -77,13 +77,14 @@ NOPTLIB = $(EMHOME)/modules/lib/libread_emk.a\
$(EMHOME)/modules/lib/libemk.a\
$(EMHOME)/modules/lib/liballoc.a\
$(EMHOME)/modules/lib/malloc.o\
$(EMHOME)/modules/lib/libstring.a\
$(EMHOME)/modules/lib/libsystem.a\
$(EMHOME)/lib/em_data.a
em_nopt: dfadummy main.o $(NOFILES)
$(CC) -o em_nopt main.o $(NOFILES) $(NOPTLIB)
OLINT = main.c nopt.c aux.c dfa.c trans.c
OLINT = main.c mkstrct.c nopt.c aux.c dfa.c trans.c
OLINTLIB = $(EMHOME)/modules/lib/llib-lread_emkV.ln\
$(EMHOME)/modules/lib/llib-lemk.ln\

3
modules/src/em_opt/findworst.c
View file

@ -30,7 +30,7 @@ findworst(repl)
int s;
int mostbackups = 0;
if(n==0) {
fprintf(ofile,"\t\tOO_backup(%d);\n", longestpattern-1);
fprintf(ofile,"\t\tOO_backup(%d);\n", maxpattern-1);
return;
}
for(s=1;s<=higheststate;s++) {
@ -56,7 +56,6 @@ findworst(repl)
}
}
}
if(mostbackups)
fprintf(ofile,"\t\tOO_backup(%d);\n",mostbackups);
}

29
modules/src/em_opt/main.c
View file

@ -18,7 +18,8 @@ int errors; /* Number of errors */
main(argc,argv)
char **argv;
{
register p_instr p = GETINSTR();
static struct e_instr buff;
register p_instr p = &buff;
if (argc >= 2) {
filename = argv[1];
@ -36,11 +37,13 @@ main(argc,argv)
}
else if (!O_open( (char *) 0)) fatal("O_open failed");
O_magic();
EM_mkcalls(p);
for(;;) {
EM_getinstr(p=GETNXTPATT());
switch(p->em_type) {
case EM_DEFILB:
*OO_nxtpatt++ = p;
OO_dfa(p->em_opcode=op_lab);
p->em_opcode=op_lab;
break;
case EM_MNEM:
switch(p->em_argtype) {
@ -57,23 +60,31 @@ main(argc,argv)
p->em_string = OO_freestr(p->em_string);
break;
}
*OO_nxtpatt++ = p;
OO_dfa(p->em_opcode);
break;
default:
FLUSHDFA();
p->em_opcode = OTHER;
/* fall thru */
if (OO_state) {
buff = *p;
OO_dfa(OTHER);
EM_mkcalls(&buff);
}
else {
OO_flush();
EM_mkcalls(p);
OO_free(p);
}
continue;
case EM_PSEU:
break;
case EM_EOF:
goto got_eof;
case EM_ERROR:
error("%s", EM_error);
break;
continue;
case EM_FATAL:
fatal("%s", EM_error);
}
EM_getinstr(p=GETINSTR());
OO_dfa(p->em_opcode);
}
got_eof:
O_close();

103
modules/src/em_opt/mkstrct.c
View file

@ -4,87 +4,92 @@ static char rcsid3[] = "$Header$";
#include "nopt.h"
OO_inop(opcode)
EM_mkop(p,opcode)
register p_instr p;
int opcode;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = 0;
*OO_nxtpatt++ = p;
}
OO_incst(opcode,cst)
int opcode,cst;
EM_mknarg(p,opcode)
register p_instr p;
int opcode;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = cst_ptyp;
p->em_cst = cst;
*OO_nxtpatt++ = p;
p->em_argtype = 0;
p->em_cst = 0;
}
OO_inlab(opcode,lab)
int opcode,lab;
EM_mkilb(p,opcode,lab)
register p_instr p;
int opcode;
label lab;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = ilb_ptyp;
p->em_opcode = opcode;
p->em_ilb = lab;
*OO_nxtpatt++ = p;
}
OO_inpnam(opcode,pnam)
EM_mknof(p,opcode,lab,off)
register p_instr p;
int opcode;
label lab;
arith off;
{
p->em_type = EM_MNEM;
p->em_argtype = nof_ptyp;
p->em_opcode = opcode;
p->em_dlb = lab;
p->em_off = off;
}
EM_mksof(p,opcode,name,off)
register p_instr p;
int opcode;
char *name;
arith off;
{
p->em_type = EM_MNEM;
p->em_argtype = sof_ptyp;
p->em_opcode = opcode;
p->em_dnam = OO_freestr(name);
p->em_off = off;
}
EM_mkcst(p,opcode,cst)
register p_instr p;
int opcode;
arith cst;
{
p->em_type = EM_MNEM;
p->em_argtype = cst_ptyp;
p->em_opcode = opcode;
p->em_cst = cst;
}
EM_mkpro(p,opcode,pnam)
register p_instr p;
int opcode;
char *pnam;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = pro_ptyp;
p->em_opcode = opcode;
p->em_pnam = OO_freestr(pnam);
*OO_nxtpatt++ = p;
}
OO_indefilb(opcode,deflb)
EM_mkdefilb(p,opcode,deflb)
register p_instr p;
int opcode;
label deflb;
{
register p_instr p = GETINSTR();
p->em_type = EM_DEFILB;
p->em_opcode = opcode;
p->em_argtype = 0;
p->em_ilb = deflb;
*OO_nxtpatt++ = p;
}
OO_indnam(opcode,name,off)
int opcode;
char *name;
int off;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = sof_ptyp;
p->em_dnam = OO_freestr(name);
p->em_off = off;
*OO_nxtpatt++ = p;
}
OO_indlb(opcode,lab,off)
int opcode;
label lab;
int off;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = nof_ptyp;
p->em_dlb = lab;
p->em_off = off;
*OO_nxtpatt++ = p;
}

327
modules/src/em_opt/nopt.c
View file

@ -6,36 +6,39 @@ static char rcsid2[] = "$Header$";
extern int (*OO_fstate[])(); /* Initialized from patterns in dfa.c */
extern int OO_maxpattern; /* Initialized from patterns in dfa.c */
#define MAXBACKUP 50
#define MAXOUTPUT 200
#define MAXSTRING 1000
extern int OO_maxreplacement; /* Initialized from patterns in dfa.c */
extern char em_mnem[][4];
extern char em_pseu[][4];
p_instr OO_freeq;
p_instr *OO_patternqueue;
p_instr *OO_nxtpatt;
p_instr *OO_bkupqueue;
p_instr *OO_nxtbackup;
p_instr OO_OTHER;
p_instr OO_buffer;
p_instr OO_patternqueue;
p_instr OO_nxtpatt;
p_instr OO_endbackup;
p_instr OO_nxtrepl;
static p_instr OO_replqueue;
static char *filename;
static p_instr *lastbackup;
static p_instr *outputqueue;
static p_instr *nextoutput;
static p_instr *lastoutput;
static char *strqueue;
static char *nextstr;
static char *laststr;
int OO_noutput; /* number of instructions in output queue */
arith OO_WSIZE; /* wordlength */
arith OO_PSIZE; /* pointer length */
#ifdef STATS
int OO_wrstats = 1; /* pattern statistics output */
#endif
#ifdef DEBUG
#define printstate(s) dumpstate(s)
#else
#define printstate(s)
#endif DEBUG
/**** WHICH IS FASTER? ****
#define BTSCPY(pp,qq,i,p,q,n) btscpy(p,q,(n)*sizeof(struct e_instr))
**************************/
#define BTSCPY(pp,qq,i,p,q,n) for(pp=(p),qq=(q),i=(n);i--;*pp++ = *qq++)
O_init(wsize,psize)
arith wsize, psize;
@ -67,10 +70,12 @@ OO_dfa(last)
register int last;
{
for(;;) {
printstate("OO_dfa");
(*OO_fstate[OO_state])(last);
if (OO_nxtbackup==OO_bkupqueue)
return;
last = ((*OO_nxtpatt++ = *(--OO_nxtbackup))->em_opcode);
if (!OO_endbackup) return;
last = (OO_nxtpatt++)->em_opcode;
if (OO_nxtpatt >= OO_endbackup)
OO_endbackup = 0;
}
}
@ -89,34 +94,15 @@ PRIVATE
allocmem()
{
/* Allocate memory for queues on heap */
OO_nxtpatt = OO_patternqueue =
(p_instr *)Malloc(OO_maxpattern*sizeof(p_instr));
OO_nxtbackup = OO_bkupqueue =
(p_instr *)Malloc(MAXBACKUP*sizeof(p_instr));
lastbackup = OO_bkupqueue + MAXBACKUP - 1;
nextoutput = outputqueue =
(p_instr *)Malloc(MAXOUTPUT*sizeof(p_instr));
lastoutput = outputqueue + MAXOUTPUT - 1;
OO_noutput = 0;
OO_buffer = (p_instr)
Malloc((unsigned)(MAXBUFFER*sizeof(struct e_instr)));
OO_patternqueue = OO_nxtpatt = OO_buffer;
OO_replqueue = (p_instr)
Malloc((unsigned)OO_maxreplacement*sizeof(struct e_instr));
OO_nxtrepl = OO_replqueue;
nextstr = strqueue =
(char *)Malloc(MAXSTRING*sizeof(char));
laststr = strqueue + MAXSTRING - 1;
/* allocate dummy OTHER data structure */
OO_OTHER = (p_instr)Malloc(sizeof(struct e_instr));
OO_OTHER->em_type = EM_MNEM;
OO_OTHER->em_opcode = OTHER;
OO_OTHER->em_argtype = 0;
}
OO_nfree(n)
register int n;
{
register p_instr *p = OO_nxtpatt = OO_patternqueue;
while(n--) {
OO_free(*p); /* OO_free is macro so don't use *p++ */
p++;
}
OO_state = 0;
}
char *
@ -150,220 +136,176 @@ OO_flush()
/* Output all instructions waiting in the output queue and free their
/* storage including the saved strings.
*/
register int n;
register p_instr *p;
#ifdef DEBUG
register p_instr p,q;
register int i,n;
printstate("Flush");
#endif
if (n = OO_noutput) {
for(p=outputqueue;n--;p++) {
EM_mkcalls(*p);
OO_free(*p);
}
nextoutput=outputqueue;
if(OO_nxtbackup==OO_bkupqueue)
nextstr = strqueue;
OO_noutput = 0;
for(p=OO_buffer;p<OO_patternqueue;p++)
EM_mkcalls(p);
if(p->em_opcode!=OTHER)
EM_mkcalls(p);
if(OO_endbackup) {
n = OO_endbackup-OO_nxtpatt;
BTSCPY(p,q,i,OO_buffer,OO_nxtpatt,n);
OO_endbackup = OO_buffer + n;
}
else nextstr = strqueue;
OO_patternqueue = OO_nxtpatt = OO_buffer;
}
OO_out(p)
p_instr p;
p_instr
OO_halfflush()
{
/* Put the instruction p on the output queue */
if(nextoutput > lastoutput) {
#ifdef DEBUG
fprintf(stderr,"Warning: Overflow of outputqueue - output flushed\n");
#endif
OO_flush();
}
OO_noutput++;
*nextoutput++ = p;
/*
/* Called when buffer full, flush half the buffer and move the
/* the pattern pointers to the new positions. Return a pointer
/* to the new nxtpatt position and increment it.
/* Note that OO_endbackup is always NIL (i.e. there are no
/* instructions on the backup queue) when this is invoked.
*/
register int i,n;
register p_instr p,q;
printstate("Half flush");
n = MAXBUFFER / 2;
for(p=OO_buffer,i=n;i--;)
EM_mkcalls(p++);
/* now copy the rest of buffer and pattern back */
BTSCPY(p,q,i,OO_buffer,OO_buffer+n,n+(OO_nxtpatt-OO_buffer));
OO_patternqueue -= n;
OO_nxtpatt -= n;
printstate("after Half flush");
return (OO_nxtpatt++);
}
OO_outop(opcode)
int opcode;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = 0;
OO_out(p);
}
OO_outcst(opcode,cst)
int opcode;
arith cst;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = cst_ptyp;
p->em_cst = cst;
OO_out(p);
}
OO_outlab(opcode,lab)
int opcode;
label lab;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = ilb_ptyp;
p->em_ilb = lab;
OO_out(p);
}
OO_outpnam(opcode,pnam)
int opcode;
char *pnam;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
p->em_argtype = pro_ptyp;
p->em_pnam = pnam;
OO_out(p);
}
OO_outdefilb(opcode,deflb)
int opcode;
label deflb;
{
register p_instr p = GETINSTR();
p->em_type = EM_DEFILB;
p->em_opcode = opcode;
p->em_argtype = 0;
p->em_ilb = deflb;
OO_out(p);
}
OO_outext(opcode,arg,off)
OO_mkext(p,opcode,arg,off)
register p_instr p;
int opcode;
p_instr arg;
arith off;
{
register p_instr p = GETINSTR();
p->em_type = EM_MNEM;
p->em_opcode = opcode;
switch(p->em_argtype = arg->em_argtype) {
switch(arg->em_argtype) {
case cst_ptyp:
p->em_cst = off;
EM_mkcst(p,opcode,off);
break;
case sof_ptyp:
p->em_dnam = arg->em_dnam;
p->em_off = off;
EM_mksof(p,opcode,arg->em_dnam,off);
break;
case nof_ptyp:
p->em_dlb = arg->em_dlb;
p->em_off = off;
EM_mknof(p,opcode,arg->em_dlb,off);
break;
default:
fatal("Unexpected type %d in outext",arg->em_argtype);
}
OO_out(p);
}
OO_pushback(p)
p_instr p;
{
/* push instr. p onto bkupqueue */
if(OO_nxtbackup > lastbackup) {
#ifdef DEBUG
fprintf(stderr,"Warning: Overflow of bkupqueue-backup ignored\n");
printstate("Backup overflow");
#endif
return;
}
*OO_nxtbackup++ = p;
}
OO_backup(n)
register int n;
int n;
{
/* copy (up to) n instructions from output to backup queues */
while(n-- && nextoutput>outputqueue) {
OO_pushback(*(--nextoutput));
OO_noutput--;
/* copy the replacement queue into the buffer queue */
/* then move the pattern queue back n places */
register p_instr p,q;
register int i,lrepl, diff;
printstate("Before backup");
lrepl = OO_nxtrepl-OO_replqueue;
if(OO_endbackup) {
/* move the region between OO_nxtpatt and OO_endbackup */
if ((diff = (OO_nxtpatt-OO_patternqueue) - lrepl) > 0) {
/* move left by diff */
BTSCPY(p,q,i,OO_nxtpatt-diff,OO_nxtpatt,OO_endbackup-OO_nxtpatt);
OO_nxtpatt -= diff;
OO_endbackup -= diff;
}
else if (diff < 0) {
/* move right by diff */
/* careful of overflowing buffer!! */
if ((OO_nxtpatt-diff)> (OO_buffer+MAXBUFFER) )
OO_halfflush();
/* cannot use btscpy as strings may overlap */
p = (q=OO_endbackup-1) - diff;
while(q>=OO_nxtpatt)
*p-- = *q--;
OO_nxtpatt -= diff;
OO_endbackup -= diff;
}
}
/* copy the replacement */
if (lrepl) {
BTSCPY(p,q,i,OO_patternqueue,OO_replqueue,lrepl);
OO_nxtrepl = OO_replqueue;
OO_patternqueue += lrepl;
}
/* now move the position of interest back n instructions */
if ((OO_patternqueue-OO_buffer) < n)
n = (OO_patternqueue-OO_buffer);
OO_nxtpatt = OO_patternqueue -= n;
if(!OO_endbackup && n)
OO_endbackup = OO_patternqueue+n;
OO_state = 0;
printstate("After backup");
}
OO_dodefault(numout, numcopy,newstate)
register int numout, numcopy;
OO_dodefault(numout, newstate)
int numout;
int newstate;
{
register p_instr *p, *q;
OO_pushback(*--OO_nxtpatt);
q = (p = OO_patternqueue) + numout;
while(numcopy--) {
if(numout) {
numout--;
OO_out(*p);
}
*p++ = *q++;
}
OO_nxtpatt = p;
while(numout--) OO_out(*p++);
printstate("Before dodefault");
if(!OO_endbackup) OO_endbackup = OO_nxtpatt;
OO_nxtpatt--;
OO_patternqueue += numout;
OO_state = newstate;
printstate("After dodefault");
}
#ifdef DEBUG
PRIVATE
printstate(mess)
dumpstate(mess)
char *mess;
{
p_instr *p;
fprintf(stderr,"%s - state: ",mess);
p = outputqueue;
while(p<nextoutput)
prtinst(*p++);
p_instr p;
fprintf(stderr,"%s - state(%d): ",mess,OO_state);
p = OO_buffer;
while(p<OO_patternqueue)
prtinst(p++);
fprintf(stderr," |==| ");
p = OO_patternqueue;
while(p<OO_nxtpatt)
prtinst(*p++);
prtinst(p++);
fprintf(stderr," |==| ");
p = OO_bkupqueue;
while(p<OO_nxtbackup)
prtinst(*p++);
if(OO_endbackup) {
while(p<OO_endbackup)
prtinst(p++);
}
fprintf(stderr,"\n");
}
PRIVATE
prtinst(p)
p_instr p;
{
switch(p->em_type) {
case EM_MNEM:
if(p->em_opcode == OTHER)
fprintf(stderr,"OTHER");
else
fprintf(stderr,"%s ",em_mnem[p->em_opcode-sp_fmnem]);
break;
case EM_PSEU:
case EM_STARTMES:
fprintf(stderr,"%s ",em_pseu[p->em_opcode-sp_fpseu]);
break;
case EM_STARTMES:
case EM_MESARG:
case EM_ENDMES:
fprintf(stderr,"MES ");
break;
case EM_DEFILB:
fprintf(stderr,"%ld ", (long)p->em_ilb);
break;
return;
case EM_DEFDLB:
fprintf(stderr,"%ld ", (long)p->em_dlb);
break;
return;
case EM_DEFDNAM:
fprintf(stderr,"%d ", p->em_dnam);
break;
return;
case EM_ERROR:
case EM_FATAL:
case EM_EOF:
break;
return;
}
switch(p->em_argtype) {
case 0:
fprintf(stderr," ");
break;
case cst_ptyp:
fprintf(stderr,"%d ",p->em_cst);
@ -380,6 +322,11 @@ prtinst(p)
case pro_ptyp:
fprintf(stderr,"$%s ",p->em_pnam);
break;
case str_ptyp:
case ico_ptyp:
case uco_ptyp:
fprintf(stderr,"\"%s\"",p->em_string);
break;
default:
fatal(" prtinst - Unregognized arg %d ",p->em_argtype);
}

36
modules/src/em_opt/nopt.h
View file

@ -12,26 +12,29 @@
#include <system.h>
#include <emO_code.h>
#define MAXBUFFER 200
#define MAXSTRING 1000
#define OTHER 0
#define op_lab sp_fpseu
typedef struct e_instr *p_instr;
#define FLUSHDFA() if(OO_state) {\
*OO_nxtpatt++ = OO_OTHER; OO_dfa(OTHER);\
} else if(OO_noutput) OO_flush();
extern p_instr OO_buffer;
extern p_instr OO_patternqueue;
extern p_instr OO_nxtpatt;
extern p_instr OO_endbackup;
extern p_instr OO_nxtrepl;
#define GETINSTR() ((p_instr)st_alloc((char **)&OO_freeq,sizeof(struct e_instr),20))
#define OO_free(p) st_free((p),&OO_freeq,sizeof(struct e_instr))
p_instr OO_halfflush();
# define GETNXTPATT() (OO_nxtpatt>&OO_buffer[MAXBUFFER]?OO_halfflush():OO_nxtpatt++)
# define GETNXTREPL() (OO_nxtrepl++)
# define FLUSHDFA() (GETNXTPATT())->em_opcode=OTHER;\
if (OO_state) OO_dfa(OTHER); else OO_flush()
extern p_instr OO_freeq;
extern p_instr *OO_patternqueue;
extern p_instr *OO_nxtpatt;
extern p_instr *OO_bkupqueue;
extern p_instr *OO_nxtbackup;
extern p_instr OO_OTHER;
extern int OO_state;
extern int OO_noutput; /* number of instructions in output queue */
extern arith OO_WSIZE; /* wordlength */
extern arith OO_PSIZE; /* pointer length */
#ifdef STATS
@ -42,8 +45,9 @@ extern char *OO_freestr();
extern arith OO_rotate();
extern arith OO_offset();
#define CST(p) (p->em_cst)
#define PNAM(p) (p->em_pnam)
#define LAB(p) (p->em_ilb)
#define DEFILB(p) (p->em_ilb)
#define CST(p) (p.em_cst)
#define PNAM(p) (p.em_pnam)
#define LAB(p) (p.em_ilb)
#define DEFILB(p) (p.em_ilb)
#define DEFINED(p) (p.em_argtype)

18
modules/src/em_opt/outcalls.c
View file

@ -14,7 +14,7 @@ outputincalls()
case NOARG:
fprintf(ofile,"%s\t|\t|\n",s);
if(op->id_used) {
fprintf(ofile,"\tOO_inop(op_%s);\n",s);
fprintf(ofile,"\tEM_mkop(GETNXTPATT(),op_%s);\n",s);
fprintf(ofile,"\tOO_dfa(op_%s);\n",s);
}
else {
@ -25,7 +25,7 @@ outputincalls()
case CSTOPT:
fprintf(ofile,"%s_narg\t|\t|\n",s);
if(op->id_used) {
fprintf(ofile,"\tOO_inop(op_%s);\n",s);
fprintf(ofile,"\tEM_mknarg(GETNXTPATT(),op_%s);\n",s);
fprintf(ofile,"\tOO_dfa(op_%s);\n",s);
}
else {
@ -36,7 +36,7 @@ outputincalls()
case CST:
fprintf(ofile,"%s\t| int:n\t|\n",s);
if(op->id_used) {
fprintf(ofile,"\tOO_incst(op_%s,n);\n",s);
fprintf(ofile,"\tEM_mkcst(GETNXTPATT(),op_%s,n);\n",s);
fprintf(ofile,"\tOO_dfa(op_%s);\n",s);
}
else {
@ -47,7 +47,7 @@ outputincalls()
case DEFILB:
fprintf(ofile,"df_ilb\t| label:l\t|\n");
if(op->id_used) {
fprintf(ofile,"\tOO_indefilb(op_%s,l);\n",s);
fprintf(ofile,"\tEM_mkdefilb(GETNXTPATT(),op_%s,l);\n",s);
fprintf(ofile,"\tOO_dfa(op_%s);\n",s);
}
else {
@ -58,7 +58,7 @@ outputincalls()
case PNAM:
fprintf(ofile,"%s\t| char *:s\t|\n",s);
if(op->id_used) {
fprintf(ofile,"\tOO_inpnam(op_%s,s);\n",s);
fprintf(ofile,"\tEM_mkpro(GETNXTPATT(),op_%s,s);\n",s);
fprintf(ofile,"\tOO_dfa(op_%s);\n",s);
}
else {
@ -69,7 +69,7 @@ outputincalls()
case LAB:
fprintf(ofile,"%s\t| label:l\t|\n",s);
if(op->id_used) {
fprintf(ofile,"\tOO_inlab(op_%s,l);\n",s);
fprintf(ofile,"\tEM_mkilb(GETNXTPATT(),op_%s,l);\n",s);
fprintf(ofile,"\tOO_dfa(op_%s);\n",s);
}
else {
@ -80,7 +80,7 @@ outputincalls()
case EXT:
fprintf(ofile,"%s\t| int:n\t|\n",s);
if(op->id_used) {
fprintf(ofile,"\tOO_incst(op_%s,n);\n",s);
fprintf(ofile,"\tEM_mkcst(GETNXTPATT(),op_%s,n);\n",s);
fprintf(ofile,"\tOO_dfa(op_%s);\n",s);
}
else {
@ -89,7 +89,7 @@ outputincalls()
}
fprintf(ofile,"%s_dnam\t| char *:s int:n\t|\n",s);
if(op->id_used) {
fprintf(ofile,"\tOO_indnam(op_%s,s,n);\n",s);
fprintf(ofile,"\tEM_mksof(GETNXTPATT(),op_%s,s,n);\n",s);
fprintf(ofile,"\tOO_dfa(op_%s);\n",s);
}
else {
@ -98,7 +98,7 @@ outputincalls()
}
fprintf(ofile,"%s_dlb\t| label:l int:n\t|\n",s);
if(op->id_used) {
fprintf(ofile,"\tOO_indlb(op_%s,l,n);\n",s);
fprintf(ofile,"\tEM_mknof(GETNXTPATT(),op_%s,l,n);\n",s);
fprintf(ofile,"\tOO_dfa(op_%s);\n",s);
}
else {

61
modules/src/em_opt/outputdfa.c
View file

@ -99,7 +99,7 @@ outdfa()
int seenswitch;
fprintf(ofile,"#include \"nopt.h\"\n");
fprintf(ofile,"\n");
fprintf(ofile,"int OO_maxpattern = %d;\n", longestpattern);
fprintf(ofile,"int OO_maxreplacement = %d;\n", maxreplacement);
fprintf(ofile,"int OO_state = 0;\n");
fprintf(ofile,"\n");
for(s=0;s<=higheststate;s++) {
@ -114,6 +114,9 @@ outdfa()
fprintf(ofile,"static dfa%d(opcode)\n",s);
fprintf(ofile,"\tint opcode;\n");
fprintf(ofile,"{\n");
fprintf(ofile,"\t/* ");
outmnems(patterns[s]);
fprintf(ofile," */\n");
seenswitch = 0;
for(p=states[s];p!=(struct state *)NULL;p=p->next) {
if(!seenswitch) {
@ -133,19 +136,12 @@ outdfa()
}
fprintf(ofile,"\tdefault:\n");
fprintf(ofile,"\t\tOO_flush();\n");
fprintf(ofile,"\t\tEM_mkcalls(*--OO_nxtpatt);\n");
fprintf(ofile,"\t\tOO_free(*OO_nxtpatt);\n");
fprintf(ofile,"\t\tbreak;\n");
fprintf(ofile,"\tcase OTHER:\n");
fprintf(ofile,"\t\tOO_flush();\n");
fprintf(ofile,"\t\t--OO_nxtpatt;\n");
fprintf(ofile,"\t\tbreak;\n");
}
else {
if(seenswitch) fprintf(ofile,"\tdefault:\n");
findfail(s,&nout,&ncpy,&ngto);
fprintf(ofile,"\t\tOO_dodefault(%d,%d,%d);\n",
nout,ncpy,ngto);
fprintf(ofile,"\t\tOO_dodefault(%d,%d);\n",nout,ngto);
if(actions[ngto]!=NULL)
fprintf(ofile,"\t\tOO_%ddotrans();\n",ngto);
if(seenswitch) fprintf(ofile,"\t\tbreak;\n");
@ -171,24 +167,23 @@ outdotrans()
int s;
struct action *a;
int seennontested;
int seentested;
fprintf(ofile,"#include \"nopt.h\"\n\n");
for(s=0;s<=higheststate;s++) {
if(actions[s]!=(struct action *)NULL) {
fprintf(ofile,"\nOO_%ddotrans() {\n",s);
fprintf(ofile,"\tregister p_instr *patt = OO_patternqueue;\n");
fprintf(ofile,"\tregister p_instr patt = OO_patternqueue;\n");
fprintf(ofile,"\t/* ");
outmnems(patterns[s]);
fprintf(ofile," */\n");
seentested = seennontested=0;
seennontested=0;
for(a=actions[s];a!=(struct action *)NULL;a=a->next) {
if(a->test!=(struct exp_node *)NULL) {
seentested++;
fprintf(ofile,"\tif(");
outexp(a->test,s);
fprintf(ofile,") {\n");
outoneaction(s,a);
fprintf(ofile,"\t\tgoto free;\n\t}\n");
fprintf(ofile,"\t\treturn;\n");
fprintf(ofile,"\t}\n");
}
else {
if(seennontested) {
@ -199,12 +194,8 @@ outdotrans()
outoneaction(s,a);
}
}
if(!seennontested) {
if(!seennontested)
fprintf(ofile,"\tOO_state=%d;\n",s);
fprintf(ofile,"\treturn;\n");
}
if(seentested) fprintf(ofile,"free:");
fprintf(ofile,"\tOO_nfree(%d);\n",patterns[s].m_len);
fprintf(ofile,"}\n");
}
/*
@ -243,32 +234,42 @@ outrepl(state,repl)
char *mnem = ri->op_code->id_text;
switch(ri->op_code->id_argfmt) {
case NOARG:
fprintf(ofile,"\t\tOO_outop(op_%s);\n",mnem);
fprintf(ofile,"\t\tEM_mkop(GETNXTREPL(),op_%s);\n",mnem);
break;
case CST:
case CSTOPT:
fprintf(ofile,"\t\tOO_outcst(op_%s,",mnem);
fprintf(ofile,"\t\tEM_mkcst(GETNXTREPL(),op_%s,",mnem);
fprintf(ofile,"(arith)");
outexp(ri->arg,state);
fprintf(ofile,");\n");
break;
case CSTOPT:
if(ri->arg) {
fprintf(ofile,"\t\tEM_mkcst(GETNXTREPL(),op_%s,",mnem);
fprintf(ofile,"(arith)");
outexp(ri->arg,state);
}
else {
fprintf(ofile,"\t\tEM_mknarg(GETNXTREPL(),op_%s);\n",mnem);
}
fprintf(ofile,");\n");
break;
case LAB:
fprintf(ofile,"\t\tOO_outlab(op_%s,",mnem);
fprintf(ofile,"\t\tEM_mkilb(GETNXTREPL(),op_%s,",mnem);
outexp(ri->arg,state);
fprintf(ofile,");\n");
break;
case DEFILB:
fprintf(ofile,"\t\tOO_outdefilb(op_%s,",mnem);
fprintf(ofile,"\t\tEM_mkdefilb(GETNXTREPL(),op_%s,",mnem);
outexp(ri->arg,state);
fprintf(ofile,");\n");
break;
case PNAM:
fprintf(ofile,"\t\tOO_outpnam(op_%s,",mnem);
fprintf(ofile,"\t\tEM_mkpro(GETNXTREPL(),op_%s,",mnem);
outexp(ri->arg,state);
fprintf(ofile,");\n");
break;
case EXT:
fprintf(ofile,"\t\tOO_outext(op_%s,",mnem);
fprintf(ofile,"\t\tOO_mkext(GETNXTREPL(),op_%s,",mnem);
outexp(ri->arg,state);
fprintf(ofile,");\n");
break;
@ -316,10 +317,10 @@ outexp(e,state)
fprintf(ofile,")");
break;
case DEFINED:
fprintf(ofile,"(patt[%d]->em_argtype)",e->leaf_val-1);
fprintf(ofile,"DEFINED(patt[%d])",e->leaf_val-1);
break;
case UNDEFINED:
fprintf(ofile,"(patt[%d]->em_argtype==0)",e->leaf_val-1);
fprintf(ofile,"!DEFINED(patt[%d])",e->leaf_val-1);
break;
case COMMA:
outext(e->exp_left);
@ -367,7 +368,7 @@ outexp(e,state)
fprintf(ofile,"PNAM(patt[%d])",e->leaf_val-1);
break;
case EXT:
fprintf(ofile,"OO_offset(patt[%d])",e->leaf_val-1);
fprintf(ofile,"OO_offset(patt+%d)",e->leaf_val-1);
break;
}
break;
@ -388,7 +389,7 @@ outext(e)
fprintf(stderr,"Internal error in outext of parser\n");
nerrors++;
}
fprintf(ofile,"patt[%d]",e->leaf_val-1);
fprintf(ofile,"patt+%d",e->leaf_val-1);
}
PRIVATE

13
modules/src/em_opt/parser.g
View file

@ -25,7 +25,8 @@ struct action *actions[MAXSTATES];
struct mnems patterns[MAXSTATES];
int higheststate = 0; /* Highest state yet allocated */
struct idf *ops; /* Chained list of all ops */
int longestpattern = 0;
int maxpattern = 0;
int maxreplacement = 0;
int nerrors = 0;
static int lencurrpatt;
@ -77,8 +78,8 @@ patterns(struct exp_node **tests;)
[
OPCODE
{
if(++lencurrpatt>longestpattern)
longestpattern=lencurrpatt;
if(++lencurrpatt>maxpattern)
maxpattern=lencurrpatt;
list = addelem(list,opval, (struct exp_node *)NULL);
opval->id_used=1;
if(lencurrpatt==1)
@ -169,7 +170,8 @@ action(struct mnem_list **list;)
[
OPCODE
{
lenthisrepl++;
if(++lenthisrepl>maxreplacement)
maxreplacement = lenthisrepl;
test= (struct exp_node *)NULL;
keepopval = opval;
}
@ -347,7 +349,8 @@ constructlist(list,len)
int len;
{
struct mnem_elem **p;
p = (struct mnem_elem **)Malloc(len*sizeof(struct mnem_elem *));
p = (struct mnem_elem **)
Malloc((unsigned)(len*sizeof(struct mnem_elem *)));
while(len--) {
p[len] = list->elem;
list = list->next;

3
modules/src/em_opt/parser.h
View file

@ -77,7 +77,8 @@ extern struct action *actions[MAXSTATES];
extern struct mnems patterns[MAXSTATES];
extern int higheststate; /* Highest state yet allocated */
extern struct idf *ops; /* Chained list of all ops */
extern int longestpattern;
extern int maxpattern;
extern int maxreplacement;
extern int nerrors;
extern FILE *ofile;

15
modules/src/em_opt/pseudo.r
View file

@ -1,17 +1,22 @@
df_dlb | label:l |
FLUSHDFA();
register p_instr p = GETNXTPATT();
FLUSHDFA(p);
C_df_dlb(l);
df_dnam | char *:s |
FLUSHDFA();
register p_instr p = GETNXTPATT();
FLUSHDFA(p);
C_df_dnam(s);
pro | char *:s arith:l |
FLUSHDFA();
register p_instr p = GETNXTPATT();
FLUSHDFA(p);
C_pro(s,l);
pro_narg | char *:s |
FLUSHDFA();
register p_instr p = GETNXTPATT();
FLUSHDFA(p);
C_pro_narg(s);
end | arith:l |
FLUSHDFA();
register p_instr p = GETNXTPATT();
FLUSHDFA(p);
C_end(l);
end_narg | |
FLUSHDFA();