version 1.19, 1994/10/24 19:15:56
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version 1.28, 1995/09/06 21:00:13
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Line 13
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Line 13
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#include <stdlib.h> |
#include <stdlib.h> |
#include <time.h> |
#include <time.h> |
#include <sys/time.h> |
#include <sys/time.h> |
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#include <unistd.h> |
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#include <errno.h> |
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#include <pwd.h> |
#include "forth.h" |
#include "forth.h" |
#include "io.h" |
#include "io.h" |
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#ifndef SEEK_SET |
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/* should be defined in stdio.h, but some systems don't have it */ |
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#define SEEK_SET 0 |
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#endif |
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#define IOR(flag) ((flag)? -512-errno : 0) |
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typedef union { |
typedef union { |
struct { |
struct { |
#ifdef BIG_ENDIAN |
#ifdef WORDS_BIGENDIAN |
Cell high; |
Cell high; |
Cell low; |
Cell low; |
#else |
#else |
Line 40 typedef struct F83Name {
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Line 50 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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/* !!someone should organize this ifdef chaos */ |
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#if defined(LONG_LATENCY) |
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#if defined(AUTO_INCREMENT) |
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#define NEXT_P0 (cfa=*ip++) |
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#define IP (ip-1) |
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#else /* AUTO_INCREMENT */ |
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#define NEXT_P0 (cfa=*ip) |
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#define IP ip |
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#endif /* AUTO_INCREMENT */ |
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#define NEXT_INST (cfa) |
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#define INC_IP(const_inc) ({cfa=IP[const_inc]; ip+=(const_inc);}) |
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#else /* LONG_LATENCY */ |
/* NEXT and NEXT1 are split into several parts to help scheduling, |
/* NEXT and NEXT1 are split into several parts to help scheduling, |
unless CISC_NEXT is defined */ |
unless CISC_NEXT is defined */ |
#ifdef CISC_NEXT |
#define NEXT_P0 |
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/* in order for execute to work correctly, NEXT_P0 (or other early |
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fetches) should not update the ip (or should we put |
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compensation-code into execute? */ |
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#define NEXT_INST (*ip) |
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/* the next instruction (or what is in its place, e.g., an immediate |
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argument */ |
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#define INC_IP(const_inc) (ip+=(const_inc)) |
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/* increment the ip by const_inc and perform NEXT_P0 (or prefetching) again */ |
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#define IP ip |
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/* the pointer to the next instruction (i.e., NEXT_INST could be |
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defined as *IP) */ |
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#endif /* LONG_LATENCY */ |
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#if defined(CISC_NEXT) && !defined(LONG_LATENCY) |
#define NEXT1_P1 |
#define NEXT1_P1 |
#define NEXT_P1 |
#define NEXT_P1 |
#define DEF_CA |
#define DEF_CA |
Line 52 typedef struct F83Name {
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Line 88 typedef struct F83Name {
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#define NEXT1_P2 ({goto **cfa;}) |
#define NEXT1_P2 ({goto **cfa;}) |
#endif /* DIRECT_THREADED */ |
#endif /* DIRECT_THREADED */ |
#define NEXT_P2 ({cfa = *ip++; NEXT1_P2;}) |
#define NEXT_P2 ({cfa = *ip++; NEXT1_P2;}) |
#else /* CISC_NEXT */ |
#else /* defined(CISC_NEXT) && !defined(LONG_LATENCY) */ |
#ifdef DIRECT_THREADED |
#ifdef DIRECT_THREADED |
#define NEXT1_P1 |
#define NEXT1_P1 |
#define NEXT1_P2 ({goto *cfa;}) |
#define NEXT1_P2 ({goto *cfa;}) |
Line 62 typedef struct F83Name {
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Line 98 typedef struct F83Name {
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#define NEXT1_P2 ({goto *ca;}) |
#define NEXT1_P2 ({goto *ca;}) |
#define DEF_CA Label ca; |
#define DEF_CA Label ca; |
#endif /* DIRECT_THREADED */ |
#endif /* DIRECT_THREADED */ |
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#if defined(LONG_LATENCY) |
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#if defined(AUTO_INCREMENT) |
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#define NEXT_P1 NEXT1_P1 |
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#else /* AUTO_INCREMENT */ |
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#define NEXT_P1 ({ip++; NEXT1_P1;}) |
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#endif /* AUTO_INCREMENT */ |
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#else /* LONG_LATENCY */ |
#define NEXT_P1 ({cfa=*ip++; NEXT1_P1;}) |
#define NEXT_P1 ({cfa=*ip++; NEXT1_P1;}) |
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#endif /* LONG_LATENCY */ |
#define NEXT_P2 NEXT1_P2 |
#define NEXT_P2 NEXT1_P2 |
#endif /* CISC_NEXT */ |
#endif /* defined(CISC_NEXT) && !defined(LONG_LATENCY) */ |
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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; NEXT_P2;}) |
#define NEXT ({DEF_CA NEXT_P1; NEXT_P2;}) |
Line 83 typedef struct F83Name {
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Line 127 typedef struct F83Name {
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#define FTOS (fp[0]) |
#define FTOS (fp[0]) |
#endif |
#endif |
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Cell *SP; |
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Float *FP; |
int emitcounter; |
int emitcounter; |
#define NULLC '\0' |
#define NULLC '\0' |
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Line 115 char *cstr(Char *from, UCell size, int c
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Line 161 char *cstr(Char *from, UCell size, int c
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return oldnextscratch; |
return oldnextscratch; |
} |
} |
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char *tilde_cstr(Char *from, UCell size, int clear) |
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/* like cstr(), but perform tilde expansion on the string */ |
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{ |
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char *s1,*s2; |
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int s1_len, s2_len; |
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struct passwd *getpwnam (), *user_entry; |
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if (size<1 || from[0]!='~') |
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return cstr(from, size, clear); |
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if (size<2 || from[1]=='/') { |
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s1 = (char *)getenv ("HOME"); |
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s2 = from+1; |
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s2_len = size-1; |
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} else { |
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int i; |
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for (i=1; i<size && from[i]!='/'; i++) |
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; |
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{ |
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char user[i]; |
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memcpy(user,from+1,i-1); |
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user[i-1]='\0'; |
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user_entry=getpwnam(user); |
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} |
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if (user_entry==NULL) |
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return cstr(from, size, clear); |
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s1 = user_entry->pw_dir; |
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s2 = from+i; |
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s2_len = size-i; |
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} |
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s1_len = strlen(s1); |
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if (s1_len>1 && s1[s1_len-1]=='/') |
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s1_len--; |
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{ |
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char path[s1_len+s2_len]; |
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memcpy(path,s1,s1_len); |
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memcpy(path+s1_len,s2,s2_len); |
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return cstr(path,s1_len+s2_len,clear); |
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} |
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} |
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#define NEWLINE '\n' |
#define NEWLINE '\n' |
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#ifndef HAVE_RINT |
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#define rint(x) floor((x)+0.5) |
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#endif |
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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","wb"}; |
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static Address up0=NULL; |
static Address up0=NULL; |
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Line 171 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 261 Label *engine(Xt *ip0, Cell *sp0, Cell *
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&&dovar, |
&&dovar, |
&&douser, |
&&douser, |
&&dodefer, |
&&dodefer, |
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&&dostruc, |
&&dodoes, |
&&dodoes, |
&&dodoes, /* dummy for does handler address */ |
&&dodoes, /* dummy for does handler address */ |
#include "prim_labels.i" |
#include "prim_labels.i" |
Line 190 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 281 Label *engine(Xt *ip0, Cell *sp0, Cell *
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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(); */ |
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NEXT_P0; |
NEXT; |
NEXT; |
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docol: |
docol: |
Line 201 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 293 Label *engine(Xt *ip0, Cell *sp0, Cell *
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/* this is the simple version */ |
/* this is the simple version */ |
*--rp = (Cell)ip; |
*--rp = (Cell)ip; |
ip = (Xt *)PFA1(cfa); |
ip = (Xt *)PFA1(cfa); |
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NEXT_P0; |
NEXT; |
NEXT; |
#else |
#else |
/* this one is important, so we help the compiler optimizing |
/* this one is important, so we help the compiler optimizing |
Line 217 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 310 Label *engine(Xt *ip0, Cell *sp0, Cell *
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NEXT1_P2; |
NEXT1_P2; |
} |
} |
#endif |
#endif |
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docon: |
docon: |
#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08x: con: %08x\n",(Cell)ip,*(Cell*)PFA1(cfa)); |
fprintf(stderr,"%08x: con: %08x\n",(Cell)ip,*(Cell*)PFA1(cfa)); |
Line 228 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 321 Label *engine(Xt *ip0, Cell *sp0, Cell *
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#else |
#else |
*--sp = *(Cell *)PFA1(cfa); |
*--sp = *(Cell *)PFA1(cfa); |
#endif |
#endif |
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NEXT_P0; |
NEXT; |
NEXT; |
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dovar: |
dovar: |
Line 240 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 334 Label *engine(Xt *ip0, Cell *sp0, Cell *
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#else |
#else |
*--sp = (Cell)PFA1(cfa); |
*--sp = (Cell)PFA1(cfa); |
#endif |
#endif |
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NEXT_P0; |
NEXT; |
NEXT; |
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/* !! user? */ |
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douser: |
douser: |
#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08x: user: %08x\n",(Cell)ip,(Cell)PFA1(cfa)); |
fprintf(stderr,"%08x: user: %08x\n",(Cell)ip,(Cell)PFA1(cfa)); |
Line 254 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 347 Label *engine(Xt *ip0, Cell *sp0, Cell *
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#else |
#else |
*--sp = (Cell)(up+*(Cell*)PFA1(cfa)); |
*--sp = (Cell)(up+*(Cell*)PFA1(cfa)); |
#endif |
#endif |
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NEXT_P0; |
NEXT; |
NEXT; |
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dodefer: |
dodefer: |
Line 263 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 357 Label *engine(Xt *ip0, Cell *sp0, Cell *
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cfa = *(Xt *)PFA1(cfa); |
cfa = *(Xt *)PFA1(cfa); |
NEXT1; |
NEXT1; |
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dostruc: |
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#ifdef DEBUG |
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fprintf(stderr,"%08x: struc: %08x\n",(Cell)ip,(Cell)PFA1(cfa)); |
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#endif |
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TOS += *(Cell*)PFA1(cfa); |
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NEXT_P0; |
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NEXT; |
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dodoes: |
dodoes: |
/* this assumes the following structure: |
/* this assumes the following structure: |
defining-word: |
defining-word: |
Line 294 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 396 Label *engine(Xt *ip0, Cell *sp0, Cell *
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#else |
#else |
*--sp = (Cell)PFA(cfa); |
*--sp = (Cell)PFA(cfa); |
#endif |
#endif |
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NEXT_P0; |
NEXT; |
NEXT; |
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#include "primitives.i" |
#include "primitives.i" |