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/*
* GAS-compatible parser
*
* Copyright (C) 2005-2007 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.
* 3. Neither the name of the author nor the names of other contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 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.
*/
#include <util.h>
#include <libyasm.h>
#include "gas-parser.h"
static void
gas_parser_do_parse(yasm_object *object, yasm_preproc *pp,
int save_input, yasm_linemap *linemap,
yasm_errwarns *errwarns)
{
yasm_parser_gas parser_gas;
int i;
parser_gas.object = object;
parser_gas.linemap = linemap;
parser_gas.locallabel_base = (char *)NULL;
parser_gas.locallabel_base_len = 0;
parser_gas.dir_fileline = 0;
parser_gas.dir_file = NULL;
parser_gas.dir_line = 0;
parser_gas.seen_line_marker = 0;
parser_gas.preproc = pp;
parser_gas.errwarns = errwarns;
parser_gas.prev_bc = yasm_section_bcs_first(object->cur_section);
parser_gas.save_input = save_input;
parser_gas.save_last = 0;
parser_gas.peek_token = NONE;
parser_gas.line = NULL;
/* initialize scanner structure */
yasm_scanner_initialize(&parser_gas.s);
parser_gas.state = INITIAL;
for (i=0; i<10; i++)
parser_gas.local[i] = 0;
parser_gas.intel_syntax = 0;
parser_gas.is_cpp_preproc =
yasm__strcasecmp(((yasm_preproc_base*)pp)->module->keyword, "cpp") == 0;
parser_gas.is_nasm_preproc =
yasm__strcasecmp(((yasm_preproc_base*)pp)->module->keyword, "nasm") == 0;
gas_parser_parse(&parser_gas);
/* Check for ending inside a comment */
if (parser_gas.state == COMMENT) {
yasm_warn_set(YASM_WARN_GENERAL, N_("end of file in comment"));
/* XXX: Minus two to compensate for already having moved past the EOF
* in the linemap.
*/
yasm_errwarn_propagate(errwarns,
yasm_linemap_get_current(parser_gas.linemap)-2);
}
yasm_scanner_delete(&parser_gas.s);
/* Free locallabel base if necessary */
if (parser_gas.locallabel_base)
yasm_xfree(parser_gas.locallabel_base);
if (parser_gas.dir_file)
yasm_xfree(parser_gas.dir_file);
/* Convert all undefined symbols into extern symbols */
yasm_symtab_parser_finalize(object->symtab, 1, errwarns);
}
/* Define valid preprocessors to use with this parser */
static const char *gas_parser_preproc_keywords[] = {
"gas",
"raw",
"cpp",
"nasm",
NULL
};
/* Define parser structure -- see parser.h for details */
yasm_parser_module yasm_gas_LTX_parser = {
"GNU AS (GAS)-compatible parser",
"gas",
gas_parser_preproc_keywords,
"gas",
NULL, /* No standard macros */
gas_parser_do_parse
};
yasm_parser_module yasm_gnu_LTX_parser = {
"GNU AS (GAS)-compatible parser",
"gnu",
gas_parser_preproc_keywords,
"gas",
NULL, /* No standard macros */
gas_parser_do_parse
};
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