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/* 
 * NASM-compatible parser header file 
 * 
 *  Copyright (C) 2002-2007  Peter Johnson 
 * 
 * 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 AND OTHER CONTRIBUTORS ``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 OR OTHER CONTRIBUTORS 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. 
 */ 
#ifndef YASM_NASM_PARSER_H 
#define YASM_NASM_PARSER_H 
 
#include "nasm-parser-struct.h" 
 
#define YYCTYPE         unsigned char 
 
#define MAX_SAVED_LINE_LEN  80 
 
enum tokentype { 
    INTNUM = 258, 
    FLTNUM, 
    DIRECTIVE_NAME, 
    FILENAME, 
    STRING, 
    SIZE_OVERRIDE, 
    OFFSET, 
    DECLARE_DATA, 
    RESERVE_SPACE, 
    LABEL, 
    INCBIN, 
    EQU, 
    TIMES, 
    DUP, 
    SEG, 
    WRT, 
    ABS, 
    REL, 
    NOSPLIT, 
    STRICT, 
    INSN, 
    PREFIX, 
    REG, 
    REGGROUP, 
    SEGREG, 
    TARGETMOD, 
    LEFT_OP, 
    RIGHT_OP, 
    LOW, 
    HIGH, 
    SIGNDIV, 
    SIGNMOD, 
    START_SECTION_ID, 
    ID, 
    LOCAL_ID, 
    SPECIAL_ID, 
    NONLOCAL_ID, 
    LINE, 
    NONE                /* special token for lookahead */ 
}; 
 
enum nasm_parser_state { 
    INITIAL, 
    DIRECTIVE, 
    SECTION_DIRECTIVE, 
    DIRECTIVE2, 
    LINECHG, 
    LINECHG2, 
    INSTRUCTION 
}; 
 
#define YYSTYPE nasm_yystype 
 
/* shorter access names to commonly used parser_nasm fields */ 
#define p_object        (parser_nasm->object) 
#define p_symtab        (parser_nasm->object->symtab) 
#define cursect         (parser_nasm->object->cur_section) 
#define curtok          (parser_nasm->token) 
#define curval          (parser_nasm->tokval) 
 
#define INTNUM_val              (curval.intn) 
#define FLTNUM_val              (curval.flt) 
#define DIRECTIVE_NAME_val      (curval.str_val) 
#define FILENAME_val            (curval.str_val) 
#define STRING_val              (curval.str) 
#define SIZE_OVERRIDE_val       (curval.int_info) 
#define DECLARE_DATA_val        (curval.int_info) 
#define RESERVE_SPACE_val       (curval.int_info) 
#define INSN_val                (curval.bc) 
#define PREFIX_val              (curval.arch_data) 
#define REG_val                 (curval.arch_data) 
#define REGGROUP_val            (curval.arch_data) 
#define SEGREG_val              (curval.arch_data) 
#define TARGETMOD_val           (curval.arch_data) 
#define ID_val                  (curval.str_val) 
 
#define cur_line        (yasm_linemap_get_current(parser_nasm->linemap)) 
 
#define p_expr_new_tree(l,o,r)  yasm_expr_create_tree(l,o,r,cur_line) 
#define p_expr_new_branch(o,r)  yasm_expr_create_branch(o,r,cur_line) 
#define p_expr_new_ident(r)     yasm_expr_create_ident(r,cur_line) 
 
void nasm_parser_parse(yasm_parser_nasm *parser_nasm); 
void nasm_parser_cleanup(yasm_parser_nasm *parser_nasm); 
int nasm_parser_lex(YYSTYPE *lvalp, yasm_parser_nasm *parser_nasm); 
 
#endif