CbC/CbC_gcc: gcc/c-family/c-format.h comparison

comparison gcc/c-family/c-format.h @ 68:561a7518be6b

update gcc-4.6

author	Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date	Sun, 21 Aug 2011 07:07:55 +0900
parents
children	04ced10e8804

comparison

equal deleted inserted replaced

-:f6334be47118
+:561a7518be6b
+/* Check calls to formatted I/O functions (-Wformat).
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+2001, 2002, 2003, 2004, 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/>.  */
+#ifndef GCC_C_FORMAT_H
+#define GCC_C_FORMAT_H
+/* The meaningfully distinct length modifiers for format checking recognized
+by GCC.  */
+enum format_lengths
+{
+FMT_LEN_none,
+FMT_LEN_hh,
+FMT_LEN_h,
+FMT_LEN_l,
+FMT_LEN_ll,
+FMT_LEN_L,
+FMT_LEN_z,
+FMT_LEN_t,
+FMT_LEN_j,
+FMT_LEN_H,
+FMT_LEN_D,
+FMT_LEN_DD,
+FMT_LEN_MAX
+};
+/* The standard versions in which various format features appeared.  */
+enum format_std_version
+{
+STD_C89,
+STD_C94,
+STD_C9L, /* C99, but treat as C89 if -Wno-long-long.  */
+STD_C99,
+STD_EXT
+};
+/* Flags that may apply to a particular kind of format checked by GCC.  */
+enum
+{
+/* This format converts arguments of types determined by the
+format string.  */
+FMT_FLAG_ARG_CONVERT = 1,
+/* The scanf allocation 'a' kludge applies to this format kind.  */
+FMT_FLAG_SCANF_A_KLUDGE = 2,
+/* A % during parsing a specifier is allowed to be a modified % rather
+that indicating the format is broken and we are out-of-sync.  */
+FMT_FLAG_FANCY_PERCENT_OK = 4,
+/* With $ operand numbers, it is OK to reference the same argument more
+than once.  */
+FMT_FLAG_DOLLAR_MULTIPLE = 8,
+/* This format type uses $ operand numbers (strfmon doesn't).  */
+FMT_FLAG_USE_DOLLAR = 16,
+/* Zero width is bad in this type of format (scanf).  */
+FMT_FLAG_ZERO_WIDTH_BAD = 32,
+/* Empty precision specification is OK in this type of format (printf).  */
+FMT_FLAG_EMPTY_PREC_OK = 64,
+/* Gaps are allowed in the arguments with $ operand numbers if all
+arguments are pointers (scanf).  */
+FMT_FLAG_DOLLAR_GAP_POINTER_OK = 128,
+/* The format arg is an opaque object that will be parsed by an external
+facility.  */
+FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL = 256
+/* Not included here: details of whether width or precision may occur
+(controlled by width_char and precision_char); details of whether
+'*' can be used for these (width_type and precision_type); details
+of whether length modifiers can occur (length_char_specs).  */
+};
+/* Structure describing a length modifier supported in format checking, and
+possibly a doubled version such as "hh".  */
+typedef struct
+{
+/* Name of the single-character length modifier. If prefixed by
+a zero character, it describes a multi character length
+modifier, like I64, I32, etc.  */
+const char *name;
+/* Index into a format_char_info.types array.  */
+enum format_lengths index;
+/* Standard version this length appears in.  */
+enum format_std_version std;
+/* Same, if the modifier can be repeated, or NULL if it can't.  */
+const char *double_name;
+enum format_lengths double_index;
+enum format_std_version double_std;
+/* If this flag is set, just scalar width identity is checked, and
+not the type identity itself.  */
+int scalar_identity_flag;
+} format_length_info;
+/* Structure describing the combination of a conversion specifier
+(or a set of specifiers which act identically) and a length modifier.  */
+typedef struct
+{
+/* The standard version this combination of length and type appeared in.
+This is only relevant if greater than those for length and type
+individually; otherwise it is ignored.  */
+enum format_std_version std;
+/* The name to use for the type, if different from that generated internally
+(e.g., "signed size_t").  */
+const char *name;
+/* The type itself.  */
+tree *type;
+} format_type_detail;
+/* Macros to fill out tables of these.  */
+#define NOARGUMENTS	{ T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }
+#define BADLEN	{ STD_C89, NULL, NULL }
+#define NOLENGTHS	{ BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }
+/* Structure describing a format conversion specifier (or a set of specifiers
+which act identically), and the length modifiers used with it.  */
+typedef struct format_char_info
+{
+const char *format_chars;
+int pointer_count;
+enum format_std_version std;
+/* Types accepted for each length modifier.  */
+format_type_detail types[FMT_LEN_MAX];
+/* List of other modifier characters allowed with these specifiers.
+This lists flags, and additionally "w" for width, "p" for precision
+(right precision, for strfmon), "#" for left precision (strfmon),
+"a" for scanf "a" allocation extension (not applicable in C99 mode),
+"*" for scanf suppression, and "E" and "O" for those strftime
+modifiers.  */
+const char *flag_chars;
+/* List of additional flags describing these conversion specifiers.
+"c" for generic character pointers being allowed, "2" for strftime
+two digit year formats, "3" for strftime formats giving two digit
+years in some locales, "4" for "2" which becomes "3" with an "E" modifier,
+"o" if use of strftime "O" is a GNU extension beyond C99,
+"W" if the argument is a pointer which is dereferenced and written into,
+"R" if the argument is a pointer which is dereferenced and read from,
+"i" for printf integer formats where the '0' flag is ignored with
+precision, and "[" for the starting character of a scanf scanset.  */
+const char *flags2;
+/* If this format conversion character consumes more than one argument,
+CHAIN points to information about the next argument.  For later
+arguments, only POINTER_COUNT, TYPES, and the "c", "R", and "W" flags
+in FLAGS2 are used.  */
+const struct format_char_info *chain;
+} format_char_info;
+/* Structure describing a flag accepted by some kind of format.  */
+typedef struct
+{
+/* The flag character in question (0 for end of array).  */
+int flag_char;
+/* Zero if this entry describes the flag character in general, or a
+nonzero character that may be found in flags2 if it describes the
+flag when used with certain formats only.  If the latter, only
+the first such entry found that applies to the current conversion
+specifier is used; the values of 'name' and 'long_name' it supplies
+will be used, if non-NULL and the standard version is higher than
+the unpredicated one, for any pedantic warning.  For example, 'o'
+for strftime formats (meaning 'O' is an extension over C99).  */
+int predicate;
+/* Nonzero if the next character after this flag in the format should
+be skipped ('=' in strfmon), zero otherwise.  */
+int skip_next_char;
+/* The name to use for this flag in diagnostic messages.  For example,
+N_("'0' flag"), N_("field width").  */
+const char *name;
+/* Long name for this flag in diagnostic messages; currently only used for
+"ISO C does not support ...".  For example, N_("the 'I' printf flag").  */
+const char *long_name;
+/* The standard version in which it appeared.  */
+enum format_std_version std;
+} format_flag_spec;
+/* Structure describing a combination of flags that is bad for some kind
+of format.  */
+typedef struct
+{
+/* The first flag character in question (0 for end of array).  */
+int flag_char1;
+/* The second flag character.  */
+int flag_char2;
+/* Nonzero if the message should say that the first flag is ignored with
+the second, zero if the combination should simply be objected to.  */
+int ignored;
+/* Zero if this entry applies whenever this flag combination occurs,
+a nonzero character from flags2 if it only applies in some
+circumstances (e.g. 'i' for printf formats ignoring 0 with precision).  */
+int predicate;
+} format_flag_pair;
+/* Structure describing a particular kind of format processed by GCC.  */
+typedef struct
+{
+/* The name of this kind of format, for use in diagnostics.  Also
+the name of the attribute (without preceding and following __).  */
+const char *name;
+/* Specifications of the length modifiers accepted; possibly NULL.  */
+const format_length_info *length_char_specs;
+/* Details of the conversion specification characters accepted.  */
+const format_char_info *conversion_specs;
+/* String listing the flag characters that are accepted.  */
+const char *flag_chars;
+/* String listing modifier characters (strftime) accepted.  May be NULL.  */
+const char *modifier_chars;
+/* Details of the flag characters, including pseudo-flags.  */
+const format_flag_spec *flag_specs;
+/* Details of bad combinations of flags.  */
+const format_flag_pair *bad_flag_pairs;
+/* Flags applicable to this kind of format.  */
+int flags;
+/* Flag character to treat a width as, or 0 if width not used.  */
+int width_char;
+/* Flag character to treat a left precision (strfmon) as,
+or 0 if left precision not used.  */
+int left_precision_char;
+/* Flag character to treat a precision (for strfmon, right precision) as,
+or 0 if precision not used.  */
+int precision_char;
+/* If a flag character has the effect of suppressing the conversion of
+an argument ('*' in scanf), that flag character, otherwise 0.  */
+int suppression_char;
+/* Flag character to treat a length modifier as (ignored if length
+modifiers not used).  Need not be placed in flag_chars for conversion
+specifiers, but is used to check for bad combinations such as length
+modifier with assignment suppression in scanf.  */
+int length_code_char;
+/* Assignment-allocation flag character ('m' in scanf), otherwise 0.  */
+int alloc_char;
+/* Pointer to type of argument expected if '*' is used for a width,
+or NULL if '*' not used for widths.  */
+tree *width_type;
+/* Pointer to type of argument expected if '*' is used for a precision,
+or NULL if '*' not used for precisions.  */
+tree *precision_type;
+} format_kind_info;
+#define T_I	&integer_type_node
+#define T89_I	{ STD_C89, NULL, T_I }
+#define T_L	&long_integer_type_node
+#define T89_L	{ STD_C89, NULL, T_L }
+#define T_LL	&long_long_integer_type_node
+#define T9L_LL	{ STD_C9L, NULL, T_LL }
+#define TEX_LL	{ STD_EXT, NULL, T_LL }
+#define T_S	&short_integer_type_node
+#define T89_S	{ STD_C89, NULL, T_S }
+#define T_UI	&unsigned_type_node
+#define T89_UI	{ STD_C89, NULL, T_UI }
+#define T_UL	&long_unsigned_type_node
+#define T89_UL	{ STD_C89, NULL, T_UL }
+#define T_ULL	&long_long_unsigned_type_node
+#define T9L_ULL	{ STD_C9L, NULL, T_ULL }
+#define TEX_ULL	{ STD_EXT, NULL, T_ULL }
+#define T_US	&short_unsigned_type_node
+#define T89_US	{ STD_C89, NULL, T_US }
+#define T_F	&float_type_node
+#define T89_F	{ STD_C89, NULL, T_F }
+#define T99_F	{ STD_C99, NULL, T_F }
+#define T_D	&double_type_node
+#define T89_D	{ STD_C89, NULL, T_D }
+#define T99_D	{ STD_C99, NULL, T_D }
+#define T_LD	&long_double_type_node
+#define T89_LD	{ STD_C89, NULL, T_LD }
+#define T99_LD	{ STD_C99, NULL, T_LD }
+#define T_C	&char_type_node
+#define T89_C	{ STD_C89, NULL, T_C }
+#define T_SC	&signed_char_type_node
+#define T99_SC	{ STD_C99, NULL, T_SC }
+#define T_UC	&unsigned_char_type_node
+#define T99_UC	{ STD_C99, NULL, T_UC }
+#define T_V	&void_type_node
+#define T89_V	{ STD_C89, NULL, T_V }
+#define T_W	&wchar_type_node
+#define T94_W	{ STD_C94, "wchar_t", T_W }
+#define TEX_W	{ STD_EXT, "wchar_t", T_W }
+#define T_WI	&wint_type_node
+#define T94_WI	{ STD_C94, "wint_t", T_WI }
+#define TEX_WI	{ STD_EXT, "wint_t", T_WI }
+#define T_ST    &size_type_node
+#define T99_ST	{ STD_C99, "size_t", T_ST }
+#define T_SST   &signed_size_type_node
+#define T99_SST	{ STD_C99, "signed size_t", T_SST }
+#define T_PD    &ptrdiff_type_node
+#define T99_PD	{ STD_C99, "ptrdiff_t", T_PD }
+#define T_UPD   &unsigned_ptrdiff_type_node
+#define T99_UPD	{ STD_C99, "unsigned ptrdiff_t", T_UPD }
+#define T_IM    &intmax_type_node
+#define T99_IM	{ STD_C99, "intmax_t", T_IM }
+#define T_UIM   &uintmax_type_node
+#define T99_UIM	{ STD_C99, "uintmax_t", T_UIM }
+#define T_D32   &dfloat32_type_node
+#define TEX_D32 { STD_EXT, "_Decimal32", T_D32 }
+#define T_D64   &dfloat64_type_node
+#define TEX_D64 { STD_EXT, "_Decimal64", T_D64 }
+#define T_D128  &dfloat128_type_node
+#define TEX_D128 { STD_EXT, "_Decimal128", T_D128 }
+/* Structure describing how format attributes such as "printf" are
+interpreted as "gnu_printf" or "ms_printf" on a particular system.
+TARGET_OVERRIDES_FORMAT_ATTRIBUTES is used to specify target-specific
+defaults.  */
+typedef struct
+{
+/* The name of the to be copied format attribute. */
+const char *named_attr_src;
+/* The name of the to be overridden format attribute. */
+const char *named_attr_dst;
+} target_ovr_attr;
+#endif /* GCC_C_FORMAT_H */

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comparison gcc/c-family/c-format.h @ 68:561a7518be6b