/*
HEADER:        ;
TITLE:                 Frankenstein Cross Assemblers;
VERSION:       2.0;
DESCRIPTION: " Reconfigurable Cross-assembler producing Intel (TM)
               Hex format object records.  ";
FILENAME:      frasmdat.h;
SEE-ALSO:      ;
AUTHORS:       Mark Zenier;
*/

/*
       description     structures and data used in parser and output phases
       history         September 15, 1987
                       August 3, 1988   Global
                       September 14, 1990   6 char portable var
*/

#include <ctype.h>
#define PRINTCTRL(char) ((char)+'@')

#ifndef Global
#define        Global  extern
#endif

#ifdef USEINDEX
#define strchr index
#endif

#ifdef NOSTRING
extern char * strncpy();
extern char * strchr();
extern int strcmp();
extern int strlen();
#else
#include <string.h>
#endif

#define local

#define TRUE 1
#define FALSE 0

#define hexch(cv) (hexcva[(cv)&0xf])
extern char hexcva[];

/* symbol table element */
struct symel
{
       char    *symstr;
       int     tok;
       int     seg;
       long    value;
       struct  symel *nextsym;
       int     symnum;
};

#define SSG_UNUSED 0
#define SSG_UNDEF -1
#define SSG_ABS 8
#define SSG_RESV -2
#define SSG_EQU 2
#define SSG_SET 3

#define SYMNULL (struct symel *) NULL
struct symel * symbentry();

/* opcode symbol table element */

struct opsym
{
       char    *opstr;
       int     token;
       int     numsyn;
       int     subsyn;
};

struct opsynt
{
       int     syntaxgrp;
       int     elcnt;
       int     gentabsub;
};

struct igel
{
       int     selmask;
       int     criteria;
       char    * genstr;
};

#define PPEXPRLEN 256

struct evalrel
{
       int     seg;
       long    value;
       char    exprstr[PPEXPRLEN];
};

#define INBUFFSZ 258
extern char finbuff[INBUFFSZ];

extern int nextsymnum;
Global struct symel **symbindex;

#define EXPRLSIZE (INBUFFSZ/2)
extern int nextexprs;
Global int     exprlist[EXPRLSIZE];

#define STRLSIZE (INBUFFSZ/2)
extern int nextstrs;
Global char *  stringlist[STRLSIZE];

extern struct opsym optab[];
extern int gnumopcode;
extern struct opsynt ostab[];
extern struct igel igtab[];
extern int ophashlnk[];

#define NUMPEXP 6
Global struct evalrel evalr[NUMPEXP];

#define PESTKDEPTH 32
struct evstkel
{
       long v;
       int s;
};

Global struct evstkel  estk[PESTKDEPTH], *estkm1p;

Global int     currseg;
Global long    locctr;

extern FILE *yyin;
extern FILE    *intermedf;
extern int     listflag;
extern int hexvalid, hexflag;
Global FILE    *hexoutf, *loutf;
extern int errorcnt, warncnt;

extern int linenumber;

#define IFSTKDEPTH 32
extern int     ifstkpt;
Global enum { If_Active, If_Skip, If_Err }
       elseifstk[IFSTKDEPTH], endifstk[IFSTKDEPTH];

#define FILESTKDPTH 20
Global int currfstk;
#define nextfstk (currfstk+1)
Global struct fstkel
{
       char *fnm;
       FILE *fpt;
} infilestk[FILESTKDPTH];

Global int lnumstk[FILESTKDPTH];
Global char currentfnm[100];

extern struct symel * endsymbol;

enum readacts
{
       Nra_normal,
       Nra_new,
       Nra_end
} ;

extern enum readacts nextreadact;

/*char * savestring(), *findgen();*/
/*long   strtol();*/
/*void   reservedsym();*/
/*char   *calloc(), *malloc();*/

extern struct symel * endsymbol;
extern char ignosyn[] ;
extern char ignosel[] ;

#define NUM_CHTA 6
extern int chtnxalph, *chtcpoint, *chtnpoint ;
Global int *(chtatab[NUM_CHTA]);
/*int chtcreate(), chtcfind(), chtran();*/

#define CF_END         -2
#define CF_INVALID     -1
#define CF_UNDEF       0
#define CF_CHAR        1
#define CF_NUMBER      2