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      1 /*
      2  * NASM-compatible parser struct 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_STRUCT_H
     28 #define YASM_NASM_PARSER_STRUCT_H
     29 
     30 typedef union {
     31     unsigned int int_info;
     32     char *str_val;
     33     yasm_intnum *intn;
     34     yasm_floatnum *flt;
     35     yasm_bytecode *bc;
     36     uintptr_t arch_data;
     37     struct {
     38         char *contents;
     39         size_t len;
     40     } str;
     41 } nasm_yystype;
     42 
     43 typedef struct yasm_parser_nasm {
     44     int tasm;
     45     int masm;
     46 
     47     /*@only@*/ yasm_object *object;
     48 
     49     /* last "base" label for local (.) labels */
     50     /*@null@*/ char *locallabel_base;
     51     size_t locallabel_base_len;
     52 
     53     /*@dependent@*/ yasm_preproc *preproc;
     54     /*@dependent@*/ yasm_errwarns *errwarns;
     55 
     56     /*@dependent@*/ yasm_linemap *linemap;
     57 
     58     /*@null@*/ yasm_bytecode *prev_bc;
     59 
     60     int save_input;
     61 
     62     yasm_scanner s;
     63     int state;
     64 
     65     int token;          /* enum tokentype or any character */
     66     nasm_yystype tokval;
     67     char tokch;         /* first character of token */
     68 
     69     /* one token of lookahead; used sparingly */
     70     int peek_token;     /* NONE if none */
     71     nasm_yystype peek_tokval;
     72     char peek_tokch;
     73 
     74     /* Starting point of the absolute section.  NULL if not in an absolute
     75      * section.
     76      */
     77     /*@null@*/ yasm_expr *absstart;
     78 
     79     /* Current location inside an absolute section (including the start).
     80      * NULL if not in an absolute section.
     81      */
     82     /*@null@*/ yasm_expr *abspos;
     83 } yasm_parser_nasm;
     84 
     85 #endif
     86