Diff for /gforth/Attic/engine.c between versions 1.8 and 1.10

version 1.8, 1994/06/01 16:40:01 version 1.10, 1994/07/08 15:00:35
Line 14 Line 14
 #include <stdlib.h>  #include <stdlib.h>
 #include <time.h>  #include <time.h>
 #include <sys/time.h>  #include <sys/time.h>
 #include <unistd.h>  
 #include "forth.h"  #include "forth.h"
 #include "io.h"  #include "io.h"
   
Line 97  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 106  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;
       NEXT;
     }
   
   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.1.8  
changed lines
  Added in v.1.10


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