136 lines
2.9 KiB
C
136 lines
2.9 KiB
C
/* $NetBSD: fgen.h,v 1.9 2010/02/08 20:14:55 eeh Exp $ */
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/*
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* fgen.h -- stuff for the fcode tokenizer.
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*
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* Copyright (c) 1998 Eduardo Horvath.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Type of a Cell */
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typedef int64_t Cell;
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/* Token from the scanner. */
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struct tok {
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int type;
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char *text;
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};
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#define TOKEN struct tok
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#define YY_DECL TOKEN* yylex(void)
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#define FCODE 0x000FC0DE
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#define MACRO 0x0000F00D
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/* Defined fcode and string. */
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struct fcode {
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const char *name;
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long num;
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int type;
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struct fcode *l;
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struct fcode *r;
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};
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/* macro instruction as separate words */
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struct macro {
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const char *name;
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const char *equiv;
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int type;
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struct macro *l;
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struct macro *r;
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};
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/*
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* FCode header -- assumes big-endian machine,
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* otherwise the bits need twiddling.
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*/
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struct fcode_header {
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char header;
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char format;
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short checksum;
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int length;
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};
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/* Tokenizer tokens */
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enum toktypes {
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TOK_OCTAL = 8,
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TOK_DECIMAL = 10,
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TOK_HEX = 16,
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TOK_NUMBER,
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TOK_STRING_LIT,
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TOK_C_LIT,
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TOK_PSTRING,
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TOK_TOKENIZE,
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TOK_COMMENT,
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TOK_COLON,
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TOK_SEMICOLON,
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TOK_TOSTRING,
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/* These are special */
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TOK_ABORT_S,
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TOK_AGAIN,
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TOK_ALIAS,
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TOK_GETTOKEN,
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TOK_ASCII,
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TOK_BEGIN,
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TOK_BUFFER,
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TOK_CASE,
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TOK_CONSTANT,
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TOK_CONTROL,
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TOK_CREATE,
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TOK_DEFER,
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TOK_DO,
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TOK_ELSE,
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TOK_END0,
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TOK_ENDCASE,
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TOK_ENDOF,
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TOK_EXTERNAL,
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TOK_FCODE_VERSION2,
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TOK_FCODE_END,
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TOK_FIELD,
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TOK_HEADERLESS,
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TOK_HEADERS,
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TOK_IF,
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TOK_LEAVE,
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TOK_LOOP,
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TOK_OF,
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TOK_OFFSET16,
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TOK_REPEAT,
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TOK_STARTX,
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TOK_THEN,
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TOK_TO,
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TOK_UNTIL,
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TOK_VALUE,
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TOK_VARIABLE,
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TOK_VERSION1,
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TOK_WHILE,
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/* Tokenizer directives */
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TOK_BEGTOK,
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TOK_EMIT_BYTE,
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TOK_ENDTOK,
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TOK_FLOAD,
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TOK_OTHER
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};
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