version 1.7, 1994/06/01 10:05:15
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version 1.14, 1994/09/08 17:20:05
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Line 14
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Line 14
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#include <stdlib.h> |
#include <stdlib.h> |
#include <time.h> |
#include <time.h> |
#include <sys/time.h> |
#include <sys/time.h> |
#include <sys/unistd.h> |
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#include "forth.h" |
#include "forth.h" |
#include "io.h" |
#include "io.h" |
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Line 42 typedef struct F83Name {
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Line 41 typedef struct F83Name {
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#define F83NAME_SMUDGE(np) (((np)->countetc & 0x40) != 0) |
#define F83NAME_SMUDGE(np) (((np)->countetc & 0x40) != 0) |
#define F83NAME_IMMEDIATE(np) (((np)->countetc & 0x20) != 0) |
#define F83NAME_IMMEDIATE(np) (((np)->countetc & 0x20) != 0) |
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/* NEXT and NEXT1 are split into several parts to help scheduling */ |
/* NEXT and NEXT1 are split into several parts to help scheduling, |
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unless CISC_NEXT is defined */ |
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#ifdef CISC_NEXT |
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#define NEXT1_P1 |
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#define NEXT_P1 |
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#define DEF_CA |
#ifdef DIRECT_THREADED |
#ifdef DIRECT_THREADED |
# define NEXT1_P1 |
#define NEXT1_P2 ({goto *cfa;}) |
# define NEXT1_P2 ({goto *cfa;}) |
#else |
# define DEF_CA |
#define NEXT1_P2 ({goto **cfa;}) |
#else |
#endif /* DIRECT_THREADED */ |
# define NEXT1_P1 ({ca = *cfa;}) |
#define NEXT_P2 ({cfa = *ip++; NEXT1_P2;}) |
# define NEXT1_P2 ({goto *ca;}) |
#else /* CISC_NEXT */ |
# define DEF_CA Label ca; |
#ifdef DIRECT_THREADED |
#endif |
#define NEXT1_P1 |
#define NEXT_P1 ({cfa = *ip++; NEXT1_P1;}) |
#define NEXT1_P2 ({goto *cfa;}) |
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#define DEF_CA |
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#else /* DIRECT_THREADED */ |
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#define NEXT1_P1 ({ca = *cfa;}) |
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#define NEXT1_P2 ({goto *ca;}) |
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#define DEF_CA Label ca; |
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#endif /* DIRECT_THREADED */ |
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#define NEXT_P1 ({cfa=*ip++; NEXT1_P1;}) |
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#define NEXT_P2 NEXT1_P2 |
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#endif /* CISC_NEXT */ |
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#define NEXT1 ({DEF_CA NEXT1_P1; NEXT1_P2;}) |
#define NEXT1 ({DEF_CA NEXT1_P1; NEXT1_P2;}) |
#define NEXT ({DEF_CA NEXT_P1; NEXT1_P2;}) |
#define NEXT ({DEF_CA NEXT_P1; NEXT_P2;}) |
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#ifdef USE_TOS |
#ifdef USE_TOS |
#define IF_TOS(x) x |
#define IF_TOS(x) x |
Line 74 typedef struct F83Name {
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Line 87 typedef struct F83Name {
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int emitcounter; |
int emitcounter; |
#define NULLC '\0' |
#define NULLC '\0' |
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#define cstr(to,from,size)\ |
char *cstr(Char *from, UCell size, int clear) |
{ memcpy(to,from,size);\ |
/* if clear is true, scratch can be reused, otherwise we want more of |
to[size]=NULLC;} |
the same */ |
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{ |
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static char *scratch=NULL; |
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static unsigned scratchsize=0; |
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static char *nextscratch; |
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char *oldnextscratch; |
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if (clear) |
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nextscratch=scratch; |
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if (scratch==NULL) { |
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scratch=malloc(size+1); |
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nextscratch=scratch; |
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scratchsize=size; |
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} |
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else if (nextscratch+size>scratch+scratchsize) { |
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char *oldscratch=scratch; |
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scratch = realloc(scratch, (nextscratch-scratch)+size+1); |
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nextscratch=scratch+(nextscratch-oldscratch); |
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scratchsize=size; |
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} |
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memcpy(nextscratch,from,size); |
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nextscratch[size]='\0'; |
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oldnextscratch = nextscratch; |
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nextscratch += size+1; |
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return oldnextscratch; |
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} |
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#define NEWLINE '\n' |
#define NEWLINE '\n' |
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static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"}; |
static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"}; |
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static Address up0=NULL; |
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#if defined(i386) && defined(FORCE_REG) |
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# define REG(reg) __asm__(reg) |
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Label *engine(Xt *ip0, Cell *sp0, Cell *rp, Float *fp, Address lp) |
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{ |
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register Xt *ip REG("%esi")=ip0; |
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register Cell *sp REG("%edi")=sp0; |
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#else |
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# define REG(reg) |
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Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp) |
Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp) |
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{ |
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#endif |
/* executes code at ip, if ip!=NULL |
/* executes code at ip, if ip!=NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
*/ |
*/ |
{ |
register Xt cfa |
Xt cfa; |
#ifdef i386 |
Address up=NULL; |
# ifdef USE_TOS |
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REG("%ecx") |
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# else |
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REG("%edx") |
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# endif |
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#endif |
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; |
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Address up=up0; |
static Label symbols[]= { |
static Label symbols[]= { |
&&docol, |
&&docol, |
&&docon, |
&&docon, |
&&dovar, |
&&dovar, |
&&douser, |
&&douser, |
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&&dodefer, |
&&dodoes, |
&&dodoes, |
&&dodoes, /* dummy for does handler address */ |
&&dodoes, /* dummy for does handler address */ |
#include "prim_labels.i" |
#include "prim_labels.i" |
Line 105 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 168 Label *engine(Xt *ip, Cell *sp, Cell *rp
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if (ip == NULL) |
if (ip == NULL) |
return symbols; |
return symbols; |
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IF_TOS(TOS = sp[0]); |
IF_TOS(TOS = sp[0]); |
IF_FTOS(FTOS = fp[0]); |
IF_FTOS(FTOS = fp[0]); |
prep_terminal(); |
prep_terminal(); |
Line 115 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 178 Label *engine(Xt *ip, Cell *sp, Cell *rp
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#ifdef DEBUG |
#ifdef DEBUG |
printf("%08x: col: %08x\n",(Cell)ip,(Cell)PFA1(cfa)); |
printf("%08x: col: %08x\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
#ifdef undefined |
#ifdef i386 |
/* this is the simple version */ |
/* this is the simple version */ |
*--rp = (Cell)ip; |
*--rp = (Cell)ip; |
ip = (Xt *)PFA1(cfa); |
ip = (Xt *)PFA1(cfa); |
Line 173 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 236 Label *engine(Xt *ip, Cell *sp, Cell *rp
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#endif |
#endif |
NEXT; |
NEXT; |
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dodefer: |
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#ifdef DEBUG |
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printf("%08x: defer: %08x\n",(Cell)ip,(Cell)PFA1(cfa)); |
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#endif |
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cfa = *(Xt *)PFA1(cfa); |
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NEXT1; |
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dodoes: |
dodoes: |
/* this assumes the following structure: |
/* this assumes the following structure: |
defining-word: |
defining-word: |
Line 197 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 267 Label *engine(Xt *ip, Cell *sp, Cell *rp
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#endif |
#endif |
*--rp = (Cell)ip; |
*--rp = (Cell)ip; |
/* PFA1 might collide with DOES_CODE1 here, so we use PFA */ |
/* PFA1 might collide with DOES_CODE1 here, so we use PFA */ |
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ip = DOES_CODE1(cfa); |
#ifdef USE_TOS |
#ifdef USE_TOS |
*sp-- = TOS; |
*sp-- = TOS; |
TOS = (Cell)PFA(cfa); |
TOS = (Cell)PFA(cfa); |
#else |
#else |
*--sp = (Cell)PFA(cfa); |
*--sp = (Cell)PFA(cfa); |
#endif |
#endif |
ip = DOES_CODE1(cfa); |
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NEXT; |
NEXT; |
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#include "primitives.i" |
#include "primitives.i" |