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/* Check calls to formatted I/O functions (-Wformat).
Copyright (C) 1992-2015 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 "hash-set.h"
#include "vec.h"
#include "input.h"
#include "alias.h"
#include "symtab.h"
#include "inchash.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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