#ifndef APIMAGIC_DRIVER_IMPL_H
#define APIMAGIC_DRIVER_IMPL_H

#include <stdint.h>
#include <stdio.h>
#include <sys/types.h>

#include <apimagic/apimagic.h>
#include "apimagic_dprintf_impl.h"
#include "argv/argv.h"

#ifndef AMGC_TAB_WIDTH
#define AMGC_TAB_WIDTH	8
#endif

#define AMGC_OPTV_ELEMENTS 64

extern const struct argv_option amgc_default_options[];

enum app_tags {
	TAG_HELP,
	TAG_VERSION,
	TAG_PRINT_ENUMS,
	TAG_LIST_ENUMS,
	TAG_PRINT_TYPEDEFS,
	TAG_PRINT_STRUCTS,
	TAG_PRINT_UNIONS,
	TAG_LANG_STD,
};

struct amgc_driver_ctx_impl {
	struct amgc_common_ctx		cctx;
	struct amgc_driver_ctx		ctx;
	struct amgc_fd_ctx		fdctx;
	struct amgc_action *		actions;
	struct compilation_env_t	ccenv;
	int				fdtmpin;
	const  struct amgc_unit_ctx *   euctx;
	const  char *                   eunit;
	struct amgc_error_info **       errinfp;
	struct amgc_error_info **       erricap;
	struct amgc_error_info *        erriptr[64];
	struct amgc_error_info	        erribuf[64];

};

struct amgc_unit_ctx_impl {
	const struct amgc_driver_ctx *	dctx;
	const char *			path;
	struct amgc_input		map;
	struct amgc_common_ctx		cctx;
	struct amgc_unit_ctx		uctx;
	struct amgc_unit_meta		meta;
	struct amgc_unit_entities *	entities;
	struct compilation_unit_t	ccunit;
};


static inline struct amgc_driver_ctx_impl * amgc_get_driver_ictx(
	const struct amgc_driver_ctx * dctx)
{
        uintptr_t addr;

        if (dctx) {
                addr = (uintptr_t)dctx - offsetof(struct amgc_driver_ctx_impl,ctx);
                return (struct amgc_driver_ctx_impl *)addr;
        }

        return 0;
}

static inline void amgc_driver_set_ectx(
	const struct amgc_driver_ctx * dctx,
	const struct amgc_unit_ctx *   uctx,
	const char *                   unit)
{
	struct amgc_driver_ctx_impl *  ictx;

	ictx        = amgc_get_driver_ictx(dctx);
	ictx->euctx = uctx;
	ictx->eunit = unit;
}

static inline int amgc_driver_fdin(const struct amgc_driver_ctx * dctx)
{
	struct amgc_fd_ctx fdctx;
	amgc_get_driver_fdctx(dctx,&fdctx);
	return fdctx.fdin;
}

static inline int amgc_driver_fdout(const struct amgc_driver_ctx * dctx)
{
	struct amgc_fd_ctx fdctx;
	amgc_get_driver_fdctx(dctx,&fdctx);
	return fdctx.fdout;
}

static inline int amgc_driver_fderr(const struct amgc_driver_ctx * dctx)
{
	struct amgc_fd_ctx fdctx;
	amgc_get_driver_fdctx(dctx,&fdctx);
	return fdctx.fderr;
}

static inline int amgc_driver_fdlog(const struct amgc_driver_ctx * dctx)
{
	struct amgc_fd_ctx fdctx;
	amgc_get_driver_fdctx(dctx,&fdctx);
	return fdctx.fdlog;
}

static inline int amgc_driver_fdcwd(const struct amgc_driver_ctx * dctx)
{
	struct amgc_fd_ctx fdctx;
	amgc_get_driver_fdctx(dctx,&fdctx);
	return fdctx.fdcwd;
}

static inline int amgc_driver_fddst(const struct amgc_driver_ctx * dctx)
{
	struct amgc_fd_ctx fdctx;
	amgc_get_driver_fdctx(dctx,&fdctx);
	return fdctx.fddst;
}

#endif