Diff for /gforth/Attic/engine.c between versions 1.6 and 1.10

version 1.6, 1994/05/18 17:29:52 version 1.10, 1994/07/08 15:00:35
Line 17 Line 17
 #include "forth.h"  #include "forth.h"
 #include "io.h"  #include "io.h"
 #ifndef unlink  
         extern unlink(char *);  
 #ifndef ftruncate  
         extern ftruncate(int, int);  
 typedef union {  typedef union {
   struct {    struct {
 #ifdef BIG_ENDIAN  #ifdef BIG_ENDIAN
Line 87  int emitcounter; Line 80  int emitcounter;
 static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"};  static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"};
 #if ~defined(select) && defined(DOS)  
 /* select replacement for DOS computers for ms only */  
 void select(int n, int a, int b, int c, struct timeval * timeout)  
    struct timeval time1;  
    struct timeval time2;  
    struct timezone zone1;  
    time1.tv_sec += timeout->tv_sec;  
    time1.tv_usec += timeout->tv_usec;  
    while(time1.tv_usec >= 1000000)  
         time1.tv_usec -= 1000000;  
    while(time2.tv_usec < time1.tv_usec || time2.tv_sec < time1.tv_sec);  
 Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp)  Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp)
 /* 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
Line 127  Label *engine(Xt *ip, Cell *sp, Cell *rp Line 96  Label *engine(Xt *ip, Cell *sp, Cell *rp
     &&dodoes,  /* dummy for does handler address */      &&dodoes,  /* dummy for does handler address */
 #include "prim_labels.i"  #include "prim_labels.i"
   };    };
     int throw_code;
   IF_TOS(register Cell TOS;)    IF_TOS(register Cell TOS;)
   IF_FTOS(Float FTOS;)    IF_FTOS(Float FTOS;)
 #ifdef CPU_DEP  #ifdef CPU_DEP
Line 136  Label *engine(Xt *ip, Cell *sp, Cell *rp Line 106  Label *engine(Xt *ip, Cell *sp, Cell *rp
   if (ip == NULL)    if (ip == NULL)
     return symbols;      return symbols;
     if ((throw_code=setjmp(throw_jmp_buf))) {
       static Cell signal_data_stack[8];
        /* AFAIK, it's not guarateed that the registers have the right value
           after a longjump, so we avoid using the current values.
           If it were guaranteed that the registers keep their values, we could
           call a signal handler in Forth instead of doing the throw from C */
       sp = &signal_data_stack[7];
       TOS = throw_code;
       ip = throw_ip;
   IF_TOS(TOS = sp[0]);    IF_TOS(TOS = sp[0]);
   IF_FTOS(FTOS = fp[0]);    IF_FTOS(FTOS = fp[0]);
   prep_terminal();    prep_terminal();

Removed from v.1.6  
changed lines
  Added in v.1.10

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