Return to fgen.h CVS log

Up to [local] / src / usr.bin / fgen

Annotation of src/usr.bin/fgen/fgen.h, Revision 1.2

1.2     ! millert     1: /*     $OpenBSD: fgen.h,v 1.1 2001/08/17 21:31:02 jason Exp $  */
1.1       jason       2: /*     $NetBSD: fgen.h,v 1.4 2001/06/13 10:46:05 wiz Exp $     */
                      3: /*
                      4:  * fgen.h -- stuff for the fcode tokenizer.
                      5:  *
                      6:  * Copyright (c) 1998 Eduardo Horvath.
                      7:  * All rights reserved.
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
                     14:  * 2. Redistributions in binary form must reproduce the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer in the
                     16:  *    documentation and/or other materials provided with the distribution.
                     17:  * 3. All advertising materials mentioning features or use of this software
                     18:  *    must display the following acknowledgement:
                     19:  *      This product includes software developed by Eduardo Horvath.
                     20:  * 4. The name of the author may not be used to endorse or promote products
                     21:  *    derived from this software without specific prior written permission
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     25:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     26:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     27:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     28:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     29:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     30:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     31:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     32:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     33:  */
                     34:
                     35: /* Type of a Cell */
                     36: typedef long Cell;
                     37:
                     38: /* Token from the scanner. */
                     39: struct tok {
                     40:        int type;
                     41:        char *text;
                     42: };
                     43:
                     44: #define TOKEN struct tok
1.2     ! millert    45: #define YY_DECL TOKEN* yylex(void)
1.1       jason      46:
                     47: #define FCODE  0xF00DBABE
                     48: #define MACRO  0xFEEDBABE
                     49:
                     50: /* Defined fcode and string. */
                     51: struct fcode {
                     52:        char *name;
                     53:        long num;
                     54:        int type;
                     55:        struct fcode *l;
                     56:        struct fcode *r;
                     57: };
                     58:
                     59: /* macro instruction as separate words */
                     60: struct macro {
                     61:        char *name;
                     62:        char *equiv;
                     63:        int type;
                     64:        struct macro *l;
                     65:        struct macro *r;
                     66: };
                     67:
                     68: /*
                     69:  * FCode header -- assumes big-endian machine,
                     70:  *     otherwise the bits need twiddling.
                     71:  */
                     72: struct fcode_header {
                     73:        char    header;
                     74:        char    format;
                     75:        short   checksum;
                     76:        int     length;
                     77: };
                     78:
                     79: /* Tokenizer tokens */
                     80: enum toktypes {
                     81:        TOK_OCTAL = 8,
                     82:        TOK_DECIMAL = 10,
                     83:        TOK_HEX = 16,
                     84:
                     85:        TOK_NUMBER,
                     86:        TOK_STRING_LIT,
                     87:        TOK_C_LIT,
                     88:        TOK_PSTRING,
                     89:        TOK_TOKENIZE,
                     90:        TOK_COMMENT,
                     91:        TOK_ENDCOMMENT,
                     92:        TOK_COLON,
                     93:        TOK_SEMICOLON,
                     94:        TOK_TOSTRING,
                     95:
                     96:        /* These are special */
                     97:        TOK_AGAIN,
                     98:        TOK_ALIAS,
                     99:        TOK_GETTOKEN,
                    100:        TOK_ASCII,
                    101:        TOK_BEGIN,
                    102:        TOK_BUFFER,
                    103:        TOK_CASE,
                    104:        TOK_CONSTANT,
                    105:        TOK_CONTROL,
                    106:        TOK_CREATE,
                    107:        TOK_DEFER,
                    108:        TOK_DO,
                    109:        TOK_ELSE,
                    110:        TOK_ENDCASE,
                    111:        TOK_ENDOF,
                    112:        TOK_EXTERNAL,
                    113:        TOK_FIELD,
                    114:        TOK_HEADERLESS,
                    115:        TOK_HEADERS,
                    116:        TOK_IF,
                    117:        TOK_LEAVE,
                    118:        TOK_LOOP,
                    119:        TOK_OF,
                    120:        TOK_REPEAT,
                    121:        TOK_THEN,
                    122:        TOK_TO,
                    123:        TOK_UNTIL,
                    124:        TOK_VALUE,
                    125:        TOK_VARIABLE,
                    126:        TOK_WHILE,
                    127:        TOK_OFFSET16,
                    128:
                    129:        /* Tokenizer directives */
                    130:        TOK_BEGTOK,
                    131:        TOK_EMIT_BYTE,
                    132:        TOK_ENDTOK,
                    133:        TOK_FLOAD,
                    134:
                    135:        TOK_OTHER
                    136: };