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/* Check calls to formatted I/O functions (-Wformat).
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001, 2002, 2003, 2004, 2005, 2007, 2008, 2010
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "flags.h"
#include "c-family/c-common.h"
#include "intl.h"
#include "diagnostic.h"
#include "langhooks.h"
#include "c-family/c-format.h"
#include "alloc-pool.h"
/* Mingw specific format attributes ms_printf, ms_scanf, and ms_strftime. */
static format_length_info ms_printf_length_specs[] =
{
{ "h", FMT_LEN_h, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
{ "l", FMT_LEN_l, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
{ "I32", FMT_LEN_l, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
{ "I64", FMT_LEN_ll, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
{ "I", FMT_LEN_L, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
{ NULL, FMT_LEN_none, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 }
};
static const format_flag_spec ms_printf_flag_specs[] =
{
{ ' ', 0, 0, N_("' ' flag"), N_("the ' ' printf flag"), STD_C89 },
{ '+', 0, 0, N_("'+' flag"), N_("the '+' printf flag"), STD_C89 },
{ '#', 0, 0, N_("'#' flag"), N_("the '#' printf flag"), STD_C89 },
{ '0', 0, 0, N_("'0' flag"), N_("the '0' printf flag"), STD_C89 },
{ '-', 0, 0, N_("'-' flag"), N_("the '-' printf flag"), STD_C89 },
{ '\'', 0, 0, N_("''' flag"), N_("the ''' printf flag"), STD_EXT },
{ 'w', 0, 0, N_("field width"), N_("field width in printf format"), STD_C89 },
{ 'p', 0, 0, N_("precision"), N_("precision in printf format"), STD_C89 },
{ 'L', 0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 },
{ 0, 0, 0, NULL, NULL, STD_C89 }
};
static const format_flag_pair ms_printf_flag_pairs[] =
{
{ ' ', '+', 1, 0 },
{ '0', '-', 1, 0 }, { '0', 'p', 1, 'i' },
{ 0, 0, 0, 0 }
};
static const format_flag_spec ms_scanf_flag_specs[] =
{
{ '*', 0, 0, N_("assignment suppression"), N_("the assignment suppression scanf feature"), STD_C89 },
{ 'a', 0, 0, N_("'a' flag"), N_("the 'a' scanf flag"), STD_EXT },
{ 'w', 0, 0, N_("field width"), N_("field width in scanf format"), STD_C89 },
{ 'L', 0, 0, N_("length modifier"), N_("length modifier in scanf format"), STD_C89 },
{ '\'', 0, 0, N_("''' flag"), N_("the ''' scanf flag"), STD_EXT },
{ 0, 0, 0, NULL, NULL, STD_C89 }
};
static const format_flag_pair ms_scanf_flag_pairs[] =
{
{ '*', 'L', 0, 0 },
{ 0, 0, 0, 0 }
};
static const format_flag_spec ms_strftime_flag_specs[] =
{
{ '#', 0, 0, N_("'#' flag"), N_("the '#' strftime flag"), STD_EXT },
{ 0, 0, 0, NULL, NULL, STD_C89 }
};
static const format_flag_pair ms_strftime_flag_pairs[] =
{
{ 0, 0, 0, 0 }
};
static const format_char_info ms_print_char_table[] =
{
/* C89 conversion specifiers. */
{ "di", 0, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, T99_SST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +'", "i", NULL },
{ "oxX", 0, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0#", "i", NULL },
{ "u", 0, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0'", "i", NULL },
{ "fgG", 0, STD_C89, { T89_D, BADLEN, BADLEN, T99_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +#'", "", NULL },
{ "eE", 0, STD_C89, { T89_D, BADLEN, BADLEN, T99_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +#", "", NULL },
{ "c", 0, STD_C89, { T89_I, BADLEN, T89_S, T94_WI, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "", NULL },
{ "s", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "cR", NULL },
{ "p", 1, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "c", NULL },
{ "n", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, T99_IM, BADLEN, BADLEN, BADLEN }, "", "W", NULL },
/* X/Open conversion specifiers. */
{ "C", 0, STD_EXT, { TEX_WI, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "", NULL },
{ "S", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "R", NULL },
{ NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
};
static const format_char_info ms_scan_char_table[] =
{
/* C89 conversion specifiers. */
{ "di", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, T99_SST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
{ "u", 1, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
{ "oxX", 1, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
{ "efgEG", 1, STD_C89, { T89_F, BADLEN, BADLEN, T89_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
{ "c", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "cW", NULL },
{ "s", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "cW", NULL },
{ "[", 1, STD_C89, { T89_C, BADLEN, BADLEN, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "cW[", NULL },
{ "p", 2, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
{ "n", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "", "W", NULL },
/* X/Open conversion specifiers. */
{ "C", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
{ "S", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "W", NULL },
{ NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
};
static const format_char_info ms_time_char_table[] =
{
/* C89 conversion specifiers. */
{ "ABZab", 0, STD_C89, NOLENGTHS, "#", "", NULL },
{ "cx", 0, STD_C89, NOLENGTHS, "#", "3", NULL },
{ "HIMSUWdmw", 0, STD_C89, NOLENGTHS, "#", "", NULL },
{ "j", 0, STD_C89, NOLENGTHS, "#", "", NULL },
{ "p", 0, STD_C89, NOLENGTHS, "#", "", NULL },
{ "X", 0, STD_C89, NOLENGTHS, "#", "", NULL },
{ "y", 0, STD_C89, NOLENGTHS, "#", "4", NULL },
{ "Y", 0, STD_C89, NOLENGTHS, "#", "", NULL },
{ "%", 0, STD_C89, NOLENGTHS, "", "", NULL },
/* C99 conversion specifiers. */
{ "z", 0, STD_C99, NOLENGTHS, "#", "", NULL },
{ NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
};
EXPORTED_CONST format_kind_info mingw_format_attributes[3] =
{
{ "ms_printf", ms_printf_length_specs, ms_print_char_table, " +#0-'", NULL,
ms_printf_flag_specs, ms_printf_flag_pairs,
FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
'w', 0, 'p', 0, 'L', 0,
&integer_type_node, &integer_type_node
},
{ "ms_scanf", ms_printf_length_specs, ms_scan_char_table, "*'", NULL,
ms_scanf_flag_specs, ms_scanf_flag_pairs,
FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD|FMT_FLAG_DOLLAR_GAP_POINTER_OK,
'w', 0, 0, '*', 'L', 0,
NULL, NULL
},
{ "ms_strftime", NULL, ms_time_char_table, "", "#",
ms_strftime_flag_specs, ms_strftime_flag_pairs,
FMT_FLAG_FANCY_PERCENT_OK, 0, 0, 0, 0, 0, 0,
NULL, NULL
}
};
/* Default overrides for printf, scanf and strftime. */
EXPORTED_CONST target_ovr_attr mingw_format_attribute_overrides[4] =
{
{ "ms_printf", "printf" },
{ "ms_scanf", "scanf" },
{ "ms_strftime", "strftime" }
};
/* Setup for option Wpedantic-ms-format. */
#ifdef TARGET_OVERRIDES_FORMAT_INIT
/* Make sure TARGET_OVERRIDES_FORMAT_INIT is prototyped. */
extern void TARGET_OVERRIDES_FORMAT_INIT (void);
/* Helper. */
#define C89_OR_EXT (warn_pedantic_ms_format ? STD_EXT : STD_C89)
void
TARGET_OVERRIDES_FORMAT_INIT (void)
{
ms_printf_length_specs[2].std = C89_OR_EXT; /* I32 */
ms_printf_length_specs[3].std = C89_OR_EXT; /* I64 */
ms_printf_length_specs[4].std = C89_OR_EXT; /* I */
}
#undef C89_OR_EXT
#endif
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