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fgen.h revision 1.9 
      1  1.9    eeh /*	$NetBSD: fgen.h,v 1.9 2010/02/08 20:14:55 eeh Exp $	*/
      2  1.1    eeh /*
      3  1.1    eeh  * fgen.h -- stuff for the fcode tokenizer.
      4  1.2    eeh  *
      5  1.2    eeh  * Copyright (c) 1998 Eduardo Horvath.
      6  1.2    eeh  * All rights reserved.
      7  1.2    eeh  *
      8  1.2    eeh  * Redistribution and use in source and binary forms, with or without
      9  1.2    eeh  * modification, are permitted provided that the following conditions
     10  1.2    eeh  * are met:
     11  1.2    eeh  * 1. Redistributions of source code must retain the above copyright
     12  1.2    eeh  *    notice, this list of conditions and the following disclaimer.
     13  1.2    eeh  * 2. Redistributions in binary form must reproduce the above copyright
     14  1.2    eeh  *    notice, this list of conditions and the following disclaimer in the
     15  1.2    eeh  *    documentation and/or other materials provided with the distribution.
     16  1.2    eeh  *
     17  1.2    eeh  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  1.2    eeh  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  1.2    eeh  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  1.2    eeh  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  1.2    eeh  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  1.2    eeh  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  1.2    eeh  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  1.2    eeh  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  1.2    eeh  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  1.2    eeh  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  1.1    eeh  */
     28  1.1    eeh 
     29  1.1    eeh /* Type of a Cell */
     30  1.5    eeh typedef int64_t Cell;
     31  1.1    eeh 
     32  1.1    eeh /* Token from the scanner. */
     33  1.1    eeh struct tok {
     34  1.1    eeh 	int type;
     35  1.1    eeh 	char *text;
     36  1.1    eeh };
     37  1.1    eeh 
     38  1.1    eeh #define TOKEN struct tok
     39  1.6  lukem #define YY_DECL TOKEN* yylex(void)
     40  1.1    eeh 
     41  1.9    eeh #define FCODE	0x000FC0DE
     42  1.9    eeh #define MACRO	0x0000F00D
     43  1.1    eeh 
     44  1.1    eeh /* Defined fcode and string. */
     45  1.1    eeh struct fcode {
     46  1.7  lukem 	const char *name;
     47  1.1    eeh 	long num;
     48  1.1    eeh 	int type;
     49  1.1    eeh 	struct fcode *l;
     50  1.1    eeh 	struct fcode *r;
     51  1.1    eeh };
     52  1.1    eeh 
     53  1.1    eeh /* macro instruction as separate words */
     54  1.1    eeh struct macro {
     55  1.7  lukem 	const char *name;
     56  1.7  lukem 	const char *equiv;
     57  1.1    eeh 	int type;
     58  1.1    eeh 	struct macro *l;
     59  1.1    eeh 	struct macro *r;
     60  1.1    eeh };
     61  1.1    eeh 
     62  1.1    eeh /*
     63  1.1    eeh  * FCode header -- assumes big-endian machine,
     64  1.1    eeh  *	otherwise the bits need twiddling.
     65  1.1    eeh  */
     66  1.1    eeh struct fcode_header {
     67  1.1    eeh 	char	header;
     68  1.1    eeh 	char	format;
     69  1.1    eeh 	short	checksum;
     70  1.1    eeh 	int	length;
     71  1.1    eeh };
     72  1.1    eeh 
     73  1.1    eeh /* Tokenizer tokens */
     74  1.1    eeh enum toktypes {
     75  1.1    eeh 	TOK_OCTAL = 8,
     76  1.1    eeh 	TOK_DECIMAL = 10,
     77  1.1    eeh 	TOK_HEX = 16,
     78  1.1    eeh 
     79  1.1    eeh 	TOK_NUMBER,
     80  1.1    eeh 	TOK_STRING_LIT,
     81  1.1    eeh 	TOK_C_LIT,
     82  1.1    eeh 	TOK_PSTRING,
     83  1.1    eeh 	TOK_TOKENIZE,
     84  1.1    eeh 	TOK_COMMENT,
     85  1.1    eeh 	TOK_COLON,
     86  1.1    eeh 	TOK_SEMICOLON,
     87  1.1    eeh 	TOK_TOSTRING,
     88  1.1    eeh 
     89  1.1    eeh 	/* These are special */
     90  1.9    eeh 	TOK_ABORT_S,
     91  1.1    eeh 	TOK_AGAIN,
     92  1.1    eeh 	TOK_ALIAS,
     93  1.1    eeh 	TOK_GETTOKEN,
     94  1.1    eeh 	TOK_ASCII,
     95  1.1    eeh 	TOK_BEGIN,
     96  1.1    eeh 	TOK_BUFFER,
     97  1.1    eeh 	TOK_CASE,
     98  1.1    eeh 	TOK_CONSTANT,
     99  1.1    eeh 	TOK_CONTROL,
    100  1.1    eeh 	TOK_CREATE,
    101  1.1    eeh 	TOK_DEFER,
    102  1.1    eeh 	TOK_DO,
    103  1.1    eeh 	TOK_ELSE,
    104  1.9    eeh 	TOK_END0,
    105  1.1    eeh 	TOK_ENDCASE,
    106  1.1    eeh 	TOK_ENDOF,
    107  1.1    eeh 	TOK_EXTERNAL,
    108  1.9    eeh 	TOK_FCODE_VERSION2,
    109  1.9    eeh 	TOK_FCODE_END,
    110  1.1    eeh 	TOK_FIELD,
    111  1.1    eeh 	TOK_HEADERLESS,
    112  1.1    eeh 	TOK_HEADERS,
    113  1.1    eeh 	TOK_IF,
    114  1.1    eeh 	TOK_LEAVE,
    115  1.1    eeh 	TOK_LOOP,
    116  1.1    eeh 	TOK_OF,
    117  1.9    eeh 	TOK_OFFSET16,
    118  1.1    eeh 	TOK_REPEAT,
    119  1.9    eeh 	TOK_STARTX,
    120  1.1    eeh 	TOK_THEN,
    121  1.1    eeh 	TOK_TO,
    122  1.1    eeh 	TOK_UNTIL,
    123  1.1    eeh 	TOK_VALUE,
    124  1.1    eeh 	TOK_VARIABLE,
    125  1.9    eeh 	TOK_VERSION1,
    126  1.1    eeh 	TOK_WHILE,
    127  1.1    eeh 
    128  1.1    eeh 	/* Tokenizer directives */
    129  1.1    eeh 	TOK_BEGTOK,
    130  1.1    eeh 	TOK_EMIT_BYTE,
    131  1.1    eeh 	TOK_ENDTOK,
    132  1.1    eeh 	TOK_FLOAD,
    133  1.1    eeh 
    134  1.1    eeh 	TOK_OTHER
    135  1.1    eeh };
    136