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      1 /*
      2  * NASM-compatible parser header file
      3  *
      4  *  Copyright (C) 2002-2007  Peter Johnson
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
     16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
     19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  * POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 #ifndef YASM_NASM_PARSER_H
     28 #define YASM_NASM_PARSER_H
     29 
     30 #include "nasm-parser-struct.h"
     31 
     32 #define YYCTYPE         unsigned char
     33 
     34 #define MAX_SAVED_LINE_LEN  80
     35 
     36 enum tokentype {
     37     INTNUM = 258,
     38     FLTNUM,
     39     DIRECTIVE_NAME,
     40     FILENAME,
     41     STRING,
     42     SIZE_OVERRIDE,
     43     OFFSET,
     44     DECLARE_DATA,
     45     RESERVE_SPACE,
     46     LABEL,
     47     INCBIN,
     48     EQU,
     49     TIMES,
     50     DUP,
     51     SEG,
     52     WRT,
     53     ABS,
     54     REL,
     55     NOSPLIT,
     56     STRICT,
     57     INSN,
     58     PREFIX,
     59     REG,
     60     REGGROUP,
     61     SEGREG,
     62     TARGETMOD,
     63     LEFT_OP,
     64     RIGHT_OP,
     65     LOW,
     66     HIGH,
     67     SIGNDIV,
     68     SIGNMOD,
     69     START_SECTION_ID,
     70     ID,
     71     LOCAL_ID,
     72     SPECIAL_ID,
     73     NONLOCAL_ID,
     74     LINE,
     75     NONE                /* special token for lookahead */
     76 };
     77 
     78 enum nasm_parser_state {
     79     INITIAL,
     80     DIRECTIVE,
     81     SECTION_DIRECTIVE,
     82     DIRECTIVE2,
     83     LINECHG,
     84     LINECHG2,
     85     INSTRUCTION
     86 };
     87 
     88 #define YYSTYPE nasm_yystype
     89 
     90 /* shorter access names to commonly used parser_nasm fields */
     91 #define p_object        (parser_nasm->object)
     92 #define p_symtab        (parser_nasm->object->symtab)
     93 #define cursect         (parser_nasm->object->cur_section)
     94 #define curtok          (parser_nasm->token)
     95 #define curval          (parser_nasm->tokval)
     96 
     97 #define INTNUM_val              (curval.intn)
     98 #define FLTNUM_val              (curval.flt)
     99 #define DIRECTIVE_NAME_val      (curval.str_val)
    100 #define FILENAME_val            (curval.str_val)
    101 #define STRING_val              (curval.str)
    102 #define SIZE_OVERRIDE_val       (curval.int_info)
    103 #define DECLARE_DATA_val        (curval.int_info)
    104 #define RESERVE_SPACE_val       (curval.int_info)
    105 #define INSN_val                (curval.bc)
    106 #define PREFIX_val              (curval.arch_data)
    107 #define REG_val                 (curval.arch_data)
    108 #define REGGROUP_val            (curval.arch_data)
    109 #define SEGREG_val              (curval.arch_data)
    110 #define TARGETMOD_val           (curval.arch_data)
    111 #define ID_val                  (curval.str_val)
    112 
    113 #define cur_line        (yasm_linemap_get_current(parser_nasm->linemap))
    114 
    115 #define p_expr_new_tree(l,o,r)  yasm_expr_create_tree(l,o,r,cur_line)
    116 #define p_expr_new_branch(o,r)  yasm_expr_create_branch(o,r,cur_line)
    117 #define p_expr_new_ident(r)     yasm_expr_create_ident(r,cur_line)
    118 
    119 void nasm_parser_parse(yasm_parser_nasm *parser_nasm);
    120 void nasm_parser_cleanup(yasm_parser_nasm *parser_nasm);
    121 int nasm_parser_lex(YYSTYPE *lvalp, yasm_parser_nasm *parser_nasm);
    122 
    123 #endif
    124