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112 lines
4.0 KiB
112 lines
4.0 KiB
/* $Id$ |
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* GAS-compatible parser header file |
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* |
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* Copyright (C) 2005 Peter Johnson |
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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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* 3. Neither the name of the author nor the names of other contributors |
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* may be used to endorse or promote products derived from this |
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* software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef YASM_NASM_PARSER_H |
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#define YASM_NASM_PARSER_H |
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#include "gas-bison.h" |
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#define YYCTYPE char |
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typedef struct Scanner { |
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YYCTYPE *bot, *tok, *ptr, *cur, *pos, *lim, *top, *eof; |
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unsigned int tchar, tline, cline; |
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} Scanner; |
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#define MAX_SAVED_LINE_LEN 80 |
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typedef struct gas_rept_line { |
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STAILQ_ENTRY(gas_rept_line) link; |
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YYCTYPE *data; /* line characters */ |
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size_t len; /* length of data */ |
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} gas_rept_line; |
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typedef struct gas_rept { |
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STAILQ_HEAD(reptlinelist, gas_rept_line) lines; /* repeated lines */ |
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unsigned long startline; /* line number of rept directive */ |
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unsigned long numrept; /* number of repititions to generate */ |
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unsigned long numdone; /* number of repititions executed so far */ |
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/*@null@*/ gas_rept_line *line; /* next line to repeat */ |
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size_t linepos; /* position to start pulling chars from line */ |
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int ended; /* seen endr directive yet? */ |
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char *oldbuf; /* saved previous fill buffer */ |
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size_t oldbuflen; /* previous fill buffer length */ |
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size_t oldbufpos; /* position in previous fill buffer */ |
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} gas_rept; |
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typedef struct yasm_parser_gas { |
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FILE *in; |
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int debug; |
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/*@only@*/ yasm_object *object; |
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/*@dependent@*/ yasm_section *cur_section; |
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/* last "base" label for local (.) labels */ |
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/*@null@*/ char *locallabel_base; |
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size_t locallabel_base_len; |
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/*@dependent@*/ yasm_preproc *preproc; |
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/*@dependent@*/ yasm_arch *arch; |
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/*@dependent@*/ yasm_objfmt *objfmt; |
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/*@dependent@*/ yasm_linemap *linemap; |
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/*@dependent@*/ yasm_symtab *symtab; |
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/*@null@*/ yasm_bytecode *prev_bc; |
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yasm_bytecode *temp_bc; |
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int save_input; |
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YYCTYPE save_line[2][MAX_SAVED_LINE_LEN]; |
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int save_last; |
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Scanner s; |
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enum { |
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INITIAL, |
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SECTION_DIRECTIVE, |
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INSTDIR |
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} state; |
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/*@null@*/ gas_rept *rept; |
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} yasm_parser_gas; |
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/* shorter access names to commonly used parser_gas fields */ |
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#define p_symtab (parser_gas->symtab) |
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#define cur_line (yasm_linemap_get_current(parser_gas->linemap)) |
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#define p_expr_new(l,o,r) yasm_expr_create(o,l,r,cur_line) |
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#define p_expr_new_tree(l,o,r) yasm_expr_create_tree(l,o,r,cur_line) |
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#define p_expr_new_branch(o,r) yasm_expr_create_branch(o,r,cur_line) |
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#define p_expr_new_ident(r) yasm_expr_create_ident(r,cur_line) |
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int gas_parser_parse(void *parser_gas_arg); |
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void gas_parser_cleanup(yasm_parser_gas *parser_gas); |
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int gas_parser_lex(YYSTYPE *lvalp, yasm_parser_gas *parser_gas); |
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#endif
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