/* $NetBSD: fgen.h,v 1.9 2010/02/08 20:14:55 eeh Exp $ */
/*
* fgen.h -- stuff for the fcode tokenizer.
*
* Copyright (c) 1998 Eduardo Horvath.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* Type of a Cell */
typedef int64_t Cell;
/* Token from the scanner. */
struct tok {
int type;
char *text;
};
#define TOKEN struct tok
#define YY_DECL TOKEN* yylex(void)
#define FCODE 0x000FC0DE
#define MACRO 0x0000F00D
/* Defined fcode and string. */
struct fcode {
const char *name;
long num;
int type;
struct fcode *l;
struct fcode *r;
};
/* macro instruction as separate words */
struct macro {
const char *name;
const char *equiv;
int type;
struct macro *l;
struct macro *r;
};
/*
* FCode header -- assumes big-endian machine,
* otherwise the bits need twiddling.
*/
struct fcode_header {
char header;
char format;
short checksum;
int length;
};