[gforth] / gforth / Attic / forth.h  

gforth: gforth/Attic/forth.h

Diff for /gforth/Attic/forth.h between version 1.1 and 1.12

version 1.1, Fri Feb 11 16:30:46 1994 UTC version 1.12, Mon Dec 12 17:10:37 1994 UTC
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 /*  /*
   $Id$  
   Copyright 1992 by the ANSI figForth Development Group    Copyright 1992 by the ANSI figForth Development Group
 */  */
   
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 typedef void *Label;  typedef void *Label;
   
   /* symbol indexed constants */
   
   #define DOCOL   0
   #define DOCON   1
   #define DOVAR   2
   #define DOUSER  3
   #define DODEFER 4
   #define DODOES  5
   #define DOESJUMP        6
   
 #include "machine.h"  #include "machine.h"
   
 /* Forth data types */  /* Forth data types */
 typedef int Bool;  typedef int Bool;
 #define FLAG(b) (-(b))  #define FLAG(b) (-(b))
   #define FILEIO(error)   (FLAG(error) & -37)
   #define FILEEXIST(error)        (FLAG(error) & -38)
   
 #define F_TRUE (FLAG(0==0))  #define F_TRUE (FLAG(0==0))
 #define F_FALSE (FLAG(0!=0))  #define F_FALSE (FLAG(0!=0))
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 typedef Label *Xt;  typedef Label *Xt;
 #endif  #endif
   
 Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp);  Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp);
   
 #ifndef DIRECT_THREADED  #ifndef DIRECT_THREADED
 /* i.e. indirect threaded */  /* i.e. indirect threaded */
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    ca is the code address */     ca is the code address */
 #define MAKE_CF(cfa,ca) ((*(Label *)(cfa)) = ((Label)ca))  #define MAKE_CF(cfa,ca) ((*(Label *)(cfa)) = ((Label)ca))
 /* make a code field for a defining-word-defined word */  /* make a code field for a defining-word-defined word */
 #define MAKE_DOES_CF(cfa,does_code)     ({MAKE_CF(cfa,DODOES);  \  #define MAKE_DOES_CF(cfa,does_code)     ({MAKE_CF(cfa,symbols[DODOES]); \
                                           ((Cell *)cfa)[1] = (Cell)does_code;})                                            ((Cell *)cfa)[1] = (Cell)does_code;})
 /* the does handler resides between DOES> and the following Forth code */  /* the does handler resides between DOES> and the following Forth code */
 #define DOES_HANDLER_SIZE       8  #define DOES_HANDLER_SIZE       8
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 #endif  #endif
   
 #ifdef DEBUG  #ifdef DEBUG
 #       define  NAME(string)    puts(string);  #       define  NAME(string)    fprintf(stderr,"%08x: "string"\n",(int)ip);
 #else  #else
 #       define  NAME(string)  #       define  NAME(string)
 #endif  #endif
   
   #define CF(const)       (-const-2)
   
   #define CF_NIL  -1
   
   #ifndef CACHE_FLUSH
   #       define CACHE_FLUSH(addr,size)
   #endif

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