scripts/genksyms/keywords.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 static struct resword {
0003     const char *name;
0004     int token;
0005 } keywords[] = {
0006     { "__GENKSYMS_EXPORT_SYMBOL", EXPORT_SYMBOL_KEYW },
0007     { "__asm", ASM_KEYW },
0008     { "__asm__", ASM_KEYW },
0009     { "__attribute", ATTRIBUTE_KEYW },
0010     { "__attribute__", ATTRIBUTE_KEYW },
0011     { "__const", CONST_KEYW },
0012     { "__const__", CONST_KEYW },
0013     { "__extension__", EXTENSION_KEYW },
0014     { "__inline", INLINE_KEYW },
0015     { "__inline__", INLINE_KEYW },
0016     { "__signed", SIGNED_KEYW },
0017     { "__signed__", SIGNED_KEYW },
0018     { "__typeof", TYPEOF_KEYW },
0019     { "__typeof__", TYPEOF_KEYW },
0020     { "__volatile", VOLATILE_KEYW },
0021     { "__volatile__", VOLATILE_KEYW },
0022     { "__builtin_va_list", VA_LIST_KEYW },
0023
0024     { "__int128", BUILTIN_INT_KEYW },
0025     { "__int128_t", BUILTIN_INT_KEYW },
0026     { "__uint128_t", BUILTIN_INT_KEYW },
0027
0028     // According to rth, c99 defines "_Bool", "__restrict", "__restrict__", "restrict".  KAO
0029     { "_Bool", BOOL_KEYW },
0030     { "__restrict", RESTRICT_KEYW },
0031     { "__restrict__", RESTRICT_KEYW },
0032     { "restrict", RESTRICT_KEYW },
0033     { "asm", ASM_KEYW },
0034
0035     // c11 keywords that can be used at module scope
0036     { "_Static_assert", STATIC_ASSERT_KEYW },
0037
0038     // attribute commented out in modutils 2.4.2.  People are using 'attribute' as a
0039     // field name which breaks the genksyms parser.  It is not a gcc keyword anyway.
0040     // KAO. },
0041     // { "attribute", ATTRIBUTE_KEYW },
0042
0043     { "auto", AUTO_KEYW },
0044     { "char", CHAR_KEYW },
0045     { "const", CONST_KEYW },
0046     { "double", DOUBLE_KEYW },
0047     { "enum", ENUM_KEYW },
0048     { "extern", EXTERN_KEYW },
0049     { "float", FLOAT_KEYW },
0050     { "inline", INLINE_KEYW },
0051     { "int", INT_KEYW },
0052     { "long", LONG_KEYW },
0053     { "register", REGISTER_KEYW },
0054     { "short", SHORT_KEYW },
0055     { "signed", SIGNED_KEYW },
0056     { "static", STATIC_KEYW },
0057     { "struct", STRUCT_KEYW },
0058     { "typedef", TYPEDEF_KEYW },
0059     { "typeof", TYPEOF_KEYW },
0060     { "union", UNION_KEYW },
0061     { "unsigned", UNSIGNED_KEYW },
0062     { "void", VOID_KEYW },
0063     { "volatile", VOLATILE_KEYW },
0064 };
0065
0066 #define NR_KEYWORDS (sizeof(keywords)/sizeof(struct resword))
0067
0068 static int is_reserved_word(register const char *str, register unsigned int len)
0069 {
0070     int i;
0071     for (i = 0; i < NR_KEYWORDS; i++) {
0072         struct resword *r = keywords + i;
0073         int l = strlen(r->name);
0074         if (len == l && !memcmp(str, r->name, len))
0075             return r->token;
0076     }
0077     return -1;
0078 }