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Diff for /gforth/engine/engine.c between versions 1.5 and 1.9

version 1.5, 1998/11/08 23:08:05 version 1.9, 1998/12/20 23:17:56
Line 1 Line 1
 /* Gforth virtual machine (aka inner interpreter)  /* Gforth virtual machine (aka inner interpreter)
   
   Copyright (C) 1995 Free Software Foundation, Inc.    Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
   
   This file is part of Gforth.    This file is part of Gforth.
   
Line 45 Line 45
 #if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) /* what else? */  #if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) /* what else? */
 #include <dlfcn.h>  #include <dlfcn.h>
 #endif  #endif
   #if defined(_WIN32)
   #include <windows.h>
   #endif
 #ifdef hpux  #ifdef hpux
 #include <dl.h>  #include <dl.h>
 #endif  #endif
Line 77  int emitcounter; Line 80  int emitcounter;
 #endif  #endif
 #define NULLC '\0'  #define NULLC '\0'
   
   #ifdef HAS_FILE
 char *cstr(Char *from, UCell size, int clear)  char *cstr(Char *from, UCell size, int clear)
 /* return a C-string corresponding to the Forth string ( FROM SIZE ).  /* return a C-string corresponding to the Forth string ( FROM SIZE ).
    the C-string lives until the next call of cstr with CLEAR being true */     the C-string lives until the next call of cstr with CLEAR being true */
Line 109  char *cstr(Char *from, UCell size, int c Line 113  char *cstr(Char *from, UCell size, int c
   return b->buffer;    return b->buffer;
 }  }
   
 #ifdef STANDALONE  
 char *tilde_cstr(Char *from, UCell size, int clear)  
 {  
   return cstr(from, size, clear);  
 }  
 #else  
 char *tilde_cstr(Char *from, UCell size, int clear)  char *tilde_cstr(Char *from, UCell size, int clear)
 /* like cstr(), but perform tilde expansion on the string */  /* like cstr(), but perform tilde expansion on the string */
 {  {
Line 156  char *tilde_cstr(Char *from, UCell size, Line 154  char *tilde_cstr(Char *from, UCell size,
     return cstr(path,s1_len+s2_len,clear);      return cstr(path,s1_len+s2_len,clear);
   }    }
 }  }
 #endif     #endif
   
 #define NEWLINE '\n'  #define NEWLINE '\n'
   
Line 164  char *tilde_cstr(Char *from, UCell size, Line 162  char *tilde_cstr(Char *from, UCell size,
 #define rint(x) floor((x)+0.5)  #define rint(x) floor((x)+0.5)
 #endif  #endif
   
   #ifdef HAS_FILE
 static char* fileattr[6]={"r","rb","r+","r+b","w","wb"};  static char* fileattr[6]={"r","rb","r+","r+b","w","wb"};
   
 #ifndef O_BINARY  #ifndef O_BINARY
Line 177  static int ufileattr[6]= { Line 176  static int ufileattr[6]= {
   O_RDONLY|O_TEXT, O_RDONLY|O_BINARY,    O_RDONLY|O_TEXT, O_RDONLY|O_BINARY,
   O_RDWR  |O_TEXT, O_RDWR  |O_BINARY,    O_RDWR  |O_TEXT, O_RDWR  |O_BINARY,
   O_WRONLY|O_TEXT, O_WRONLY|O_BINARY };    O_WRONLY|O_TEXT, O_WRONLY|O_BINARY };
   #endif
   
 /* if machine.h has not defined explicit registers, define them as implicit */  /* if machine.h has not defined explicit registers, define them as implicit */
 #ifndef IPREG  #ifndef IPREG
Line 250  Label *engine(Xt *ip0, Cell *sp0, Cell * Line 250  Label *engine(Xt *ip0, Cell *sp0, Cell *
     (Label)&&dodoes,      (Label)&&dodoes,
     /* the following entry is normally unused;      /* the following entry is normally unused;
        it's there because its index indicates a does-handler */         it's there because its index indicates a does-handler */
     (Label)CPU_DEP1,      CPU_DEP1,
 #include "prim_lab.i"  #include "prim_lab.i"
     (Label)0      (Label)0
   };    };
Line 270  Label *engine(Xt *ip0, Cell *sp0, Cell * Line 270  Label *engine(Xt *ip0, Cell *sp0, Cell *
 #define CODE_OFFSET (22*sizeof(Cell))  #define CODE_OFFSET (22*sizeof(Cell))
     int i;      int i;
     Cell code_offset = offset_image? CODE_OFFSET : 0;      Cell code_offset = offset_image? CODE_OFFSET : 0;
       
     symbols = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+CODE_OFFSET)+code_offset);      symbols = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+CODE_OFFSET)+code_offset);
     for (i=0; i<DOESJUMP+1; i++)      for (i=0; i<DOESJUMP+1; i++)
     symbols[i] = routines[i];        symbols[i] = (Label)routines[i];
     for (; routines[i]!=0; i++) {      for (; routines[i]!=0; i++) {
       if (i>=MAX_SYMBOLS) {        if (i>=MAX_SYMBOLS) {
         fprintf(stderr,"gforth-ditc: more than %d primitives\n",MAX_SYMBOLS);          fprintf(stderr,"gforth-ditc: more than %d primitives\n",MAX_SYMBOLS);
         exit(1);          exit(1);
       }  
       symbols[i] = &routines[i];  
     }      }
 #endif /* defined(DOUBLY_INDIRECT) */      symbols[i] = &routines[i];
     return symbols;  
   }    }
   #endif /* defined(DOUBLY_INDIRECT) */
     return symbols;
   }
   
   IF_TOS(TOS = sp[0]);    IF_TOS(TOS = sp[0]);
   IF_FTOS(FTOS = fp[0]);    IF_FTOS(FTOS = fp[0]);
   /*  prep_terminal(); */  /*  prep_terminal(); */
   NEXT_P0;    NEXT_P0;
   NEXT;    NEXT;
   
Removed from v.1.5  
changed lines
  Added in v.1.9

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