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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [i386/] [msformat-c.c] - Blame information for rev 749

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1 709 jeremybenn
/* Check calls to formatted I/O functions (-Wformat).
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   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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   2001, 2002, 2003, 2004, 2005, 2007, 2008, 2010
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   Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tree.h"
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#include "flags.h"
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#include "c-family/c-common.h"
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#include "intl.h"
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#include "diagnostic.h"
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#include "langhooks.h"
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#include "c-family/c-format.h"
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#include "alloc-pool.h"
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/* Mingw specific format attributes ms_printf, ms_scanf, and ms_strftime.  */
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static format_length_info ms_printf_length_specs[] =
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{
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  { "h", FMT_LEN_h, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
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  { "l", FMT_LEN_l, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
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  { "I32", FMT_LEN_l, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
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  { "I64", FMT_LEN_ll, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
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  { "I", FMT_LEN_L, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
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  { NULL, FMT_LEN_none, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 }
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};
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static const format_flag_spec ms_printf_flag_specs[] =
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{
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  { ' ',  0, 0, N_("' ' flag"),        N_("the ' ' printf flag"),              STD_C89 },
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  { '+',  0, 0, N_("'+' flag"),        N_("the '+' printf flag"),              STD_C89 },
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  { '#',  0, 0, N_("'#' flag"),        N_("the '#' printf flag"),              STD_C89 },
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  { '0',  0, 0, N_("'0' flag"),        N_("the '0' printf flag"),              STD_C89 },
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  { '-',  0, 0, N_("'-' flag"),        N_("the '-' printf flag"),              STD_C89 },
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  { '\'', 0, 0, N_("''' flag"),        N_("the ''' printf flag"),              STD_EXT },
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  { 'w',  0, 0, N_("field width"),     N_("field width in printf format"),     STD_C89 },
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  { 'p',  0, 0, N_("precision"),       N_("precision in printf format"),       STD_C89 },
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  { 'L',  0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 },
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  { 0, 0, 0, NULL, NULL, STD_C89 }
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};
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61
static const format_flag_pair ms_printf_flag_pairs[] =
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{
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  { ' ', '+', 1, 0   },
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  { '0', '-', 1, 0   }, { '0', 'p', 1, 'i' },
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  { 0, 0, 0, 0 }
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};
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static const format_flag_spec ms_scanf_flag_specs[] =
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{
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  { '*',  0, 0, N_("assignment suppression"), N_("the assignment suppression scanf feature"), STD_C89 },
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  { 'a',  0, 0, N_("'a' flag"),               N_("the 'a' scanf flag"),                       STD_EXT },
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  { 'w',  0, 0, N_("field width"),            N_("field width in scanf format"),              STD_C89 },
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  { 'L',  0, 0, N_("length modifier"),        N_("length modifier in scanf format"),          STD_C89 },
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  { '\'', 0, 0, N_("''' flag"),               N_("the ''' scanf flag"),                       STD_EXT },
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  { 0, 0, 0, NULL, NULL, STD_C89 }
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};
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78
static const format_flag_pair ms_scanf_flag_pairs[] =
79
{
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  { '*', 'L', 0, 0 },
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  { 0, 0, 0, 0 }
82
};
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84
static const format_flag_spec ms_strftime_flag_specs[] =
85
{
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  { '#', 0,   0, N_("'#' flag"),     N_("the '#' strftime flag"),          STD_EXT },
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  { 0, 0, 0, NULL, NULL, STD_C89 }
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};
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90
static const format_flag_pair ms_strftime_flag_pairs[] =
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{
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  { 0, 0, 0, 0 }
93
};
94
 
95
static const format_char_info ms_print_char_table[] =
96
{
97
  /* C89 conversion specifiers.  */
98
  { "di",  0, STD_C89, { T89_I,   BADLEN,  T89_S,   T89_L,   T9L_LL,  T99_SST,  BADLEN, BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +'",  "i",  NULL },
99
  { "oxX", 0, STD_C89, { T89_UI,  BADLEN,  T89_US,  T89_UL,  T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN,  BADLEN,  BADLEN }, "-wp0#",     "i",  NULL },
100
  { "u",   0, STD_C89, { T89_UI,  BADLEN,  T89_US,  T89_UL,  T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN,  BADLEN,  BADLEN }, "-wp0'",    "i",  NULL },
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  { "fgG", 0, STD_C89, { T89_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN, BADLEN, BADLEN }, "-wp0 +#'", "",   NULL },
102
  { "eE",  0, STD_C89, { T89_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN, BADLEN, BADLEN }, "-wp0 +#",  "",   NULL },
103
  { "c",   0, STD_C89, { T89_I,   BADLEN,  T89_S,  T94_WI,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-w",        "",   NULL },
104
  { "s",   1, STD_C89, { T89_C,   BADLEN,  T89_S,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-wp",       "cR", NULL },
105
  { "p",   1, STD_C89, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-w",        "c",  NULL },
106
  { "n",   1, STD_C89, { T89_I,   BADLEN,  T89_S,   T89_L,   T9L_LL,  BADLEN,  BADLEN, BADLEN,  T99_IM,  BADLEN,  BADLEN,  BADLEN }, "",          "W",  NULL },
107
  /* X/Open conversion specifiers.  */
108
  { "C",   0, STD_EXT, { TEX_WI,  BADLEN,  T89_S,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-w",        "",   NULL },
109
  { "S",   1, STD_EXT, { TEX_W,   BADLEN,  T89_S,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-wp",       "R",  NULL },
110
  { NULL,  0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
111
};
112
 
113
static const format_char_info ms_scan_char_table[] =
114
{
115
  /* C89 conversion specifiers.  */
116
  { "di",    1, STD_C89, { T89_I,   BADLEN,  T89_S,   T89_L,   T9L_LL,  T99_SST,  BADLEN, BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*w'", "W",   NULL },
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  { "u",     1, STD_C89, { T89_UI,  BADLEN,  T89_US,  T89_UL,  T9L_ULL, T99_ST, BADLEN,  BADLEN, BADLEN, BADLEN,  BADLEN,  BADLEN }, "*w'", "W",   NULL },
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  { "oxX",   1, STD_C89, { T89_UI,  BADLEN,  T89_US,  T89_UL,  T9L_ULL, T99_ST, BADLEN,  BADLEN, BADLEN, BADLEN,  BADLEN,  BADLEN }, "*w",   "W",   NULL },
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  { "efgEG", 1, STD_C89, { T89_F,   BADLEN,  BADLEN,  T89_D,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN, BADLEN, BADLEN }, "*w'",  "W",   NULL },
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  { "c",     1, STD_C89, { T89_C,   BADLEN,  T89_S,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*w",   "cW",  NULL },
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  { "s",     1, STD_C89, { T89_C,   BADLEN,  T89_S,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*aw",  "cW",  NULL },
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  { "[",     1, STD_C89, { T89_C,   BADLEN,  BADLEN,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*aw",  "cW[", NULL },
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  { "p",     2, STD_C89, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*w",   "W",   NULL },
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  { "n",     1, STD_C89, { T89_I,   BADLEN,  T89_S,   T89_L,   T9L_LL,  BADLEN,  BADLEN, BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "",     "W",   NULL },
125
  /* X/Open conversion specifiers.  */
126
  { "C",     1, STD_EXT, { TEX_W,   BADLEN,  T89_S,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*w",   "W",   NULL },
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  { "S",     1, STD_EXT, { TEX_W,   BADLEN,  T89_S,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*aw",  "W",   NULL },
128
  { NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
129
};
130
 
131
static const format_char_info ms_time_char_table[] =
132
{
133
  /* C89 conversion specifiers.  */
134
  { "ABZab",            0, STD_C89, NOLENGTHS, "#",     "",   NULL },
135
  { "cx",               0, STD_C89, NOLENGTHS, "#",      "3",  NULL },
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  { "HIMSUWdmw",        0, STD_C89, NOLENGTHS, "#",  "",   NULL },
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  { "j",                0, STD_C89, NOLENGTHS, "#",  "",  NULL },
138
  { "p",                0, STD_C89, NOLENGTHS, "#",      "",   NULL },
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  { "X",                0, STD_C89, NOLENGTHS, "#",      "",   NULL },
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  { "y",                0, STD_C89, NOLENGTHS, "#", "4",  NULL },
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  { "Y",                0, STD_C89, NOLENGTHS, "#", "",  NULL },
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  { "%",                0, STD_C89, NOLENGTHS, "",       "",   NULL },
143
  /* C99 conversion specifiers.  */
144
  { "z",                0, STD_C99, NOLENGTHS, "#",      "",  NULL },
145
  { NULL,               0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
146
};
147
 
148
EXPORTED_CONST format_kind_info mingw_format_attributes[3] =
149
{
150
  { "ms_printf",   ms_printf_length_specs,  ms_print_char_table, " +#0-'", NULL,
151
    ms_printf_flag_specs, ms_printf_flag_pairs,
152
    FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
153
    'w', 0, 'p', 0, 'L', 0,
154
    &integer_type_node, &integer_type_node
155
  },
156
  { "ms_scanf",    ms_printf_length_specs,   ms_scan_char_table,  "*'", NULL,
157
    ms_scanf_flag_specs, ms_scanf_flag_pairs,
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    FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD|FMT_FLAG_DOLLAR_GAP_POINTER_OK,
159
    'w', 0, 0, '*', 'L', 0,
160
    NULL, NULL
161
  },
162
  { "ms_strftime", NULL,                 ms_time_char_table,  "", "#",
163
    ms_strftime_flag_specs, ms_strftime_flag_pairs,
164
    FMT_FLAG_FANCY_PERCENT_OK, 0, 0, 0, 0, 0, 0,
165
    NULL, NULL
166
  }
167
};
168
 
169
/* Default overrides for printf, scanf and strftime.  */
170
EXPORTED_CONST target_ovr_attr mingw_format_attribute_overrides[4] =
171
{
172
  { "ms_printf", "printf" },
173
  { "ms_scanf", "scanf" },
174
  { "ms_strftime", "strftime" }
175
};
176
 
177
/* Setup for option Wpedantic-ms-format.  */
178
 
179
#ifdef TARGET_OVERRIDES_FORMAT_INIT
180
 
181
/* Make sure TARGET_OVERRIDES_FORMAT_INIT is prototyped.  */
182
extern void TARGET_OVERRIDES_FORMAT_INIT (void);
183
 
184
/* Helper.  */
185
#define C89_OR_EXT (warn_pedantic_ms_format ? STD_EXT : STD_C89)
186
 
187
void
188
TARGET_OVERRIDES_FORMAT_INIT (void)
189
{
190
  ms_printf_length_specs[2].std = C89_OR_EXT; /* I32 */
191
  ms_printf_length_specs[3].std = C89_OR_EXT; /* I64 */
192
  ms_printf_length_specs[4].std = C89_OR_EXT; /* I */
193
}
194
 
195
#undef C89_OR_EXT
196
 
197
#endif

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