/* Definition of leading bytes */
/************************************************************************/
+typedef int Charset_ID;
+
#define MIN_LEADING_BYTE 0x80
/* These need special treatment in a string and/or character */
#define LEADING_BYTE_ASCII 0x8E /* Omitted in a buffer */
#define LEADING_BYTE_COMPOSITE 0x80 /* for a composite character */
#define LEADING_BYTE_CONTROL_1 0x8F /* represent normal 80-9F */
-/** The following are for 1-byte characters in an official charset. **/
+/* Note the gap in each official charset can cause core dump
+ as first and last values are used to determine whether
+ charset is defined or not in non_ascii_valid_char_p */
-#define LEADING_BYTE_LATIN_ISO8859_1 0x81 /* Right half of ISO 8859-1 */
-#define LEADING_BYTE_LATIN_ISO8859_2 0x82 /* Right half of ISO 8859-2 */
-#define LEADING_BYTE_LATIN_ISO8859_3 0x83 /* Right half of ISO 8859-3 */
-#define LEADING_BYTE_LATIN_ISO8859_4 0x84 /* Right half of ISO 8859-4 */
-#define LEADING_BYTE_THAI_TIS620 0x85 /* TIS620-2533 */
-#define LEADING_BYTE_GREEK_ISO8859_7 0x86 /* Right half of ISO 8859-7 */
-#define LEADING_BYTE_ARABIC_ISO8859_6 0x87 /* Right half of ISO 8859-6 */
-#define LEADING_BYTE_HEBREW_ISO8859_8 0x88 /* Right half of ISO 8859-8 */
-#define LEADING_BYTE_KATAKANA_JISX0201 0x89 /* Right half of JIS X0201-1976 */
-#define LEADING_BYTE_LATIN_JISX0201 0x8A /* Left half of JIS X0201-1976 */
-#define LEADING_BYTE_CYRILLIC_ISO8859_5 0x8C /* Right half of ISO 8859-5 */
-#define LEADING_BYTE_LATIN_ISO8859_9 0x8D /* Right half of ISO 8859-9 */
+/** The following are for 1-byte characters in an official charset. **/
+enum LEADING_BYTE_OFFICIAL_1
+{
+ LEADING_BYTE_LATIN_ISO8859_1 = 0x81, /* Right half of ISO 8859-1 */
+ LEADING_BYTE_LATIN_ISO8859_2, /* 0x82 Right half of ISO 8859-2 */
+ LEADING_BYTE_LATIN_ISO8859_3, /* 0x83 Right half of ISO 8859-3 */
+ LEADING_BYTE_LATIN_ISO8859_4, /* 0x84 Right half of ISO 8859-4 */
+ LEADING_BYTE_THAI_TIS620, /* 0x85 TIS620-2533 */
+ LEADING_BYTE_GREEK_ISO8859_7, /* 0x86 Right half of ISO 8859-7 */
+ LEADING_BYTE_ARABIC_ISO8859_6, /* 0x87 Right half of ISO 8859-6 */
+ LEADING_BYTE_HEBREW_ISO8859_8, /* 0x88 Right half of ISO 8859-8 */
+ LEADING_BYTE_KATAKANA_JISX0201, /* 0x89 Right half of JIS X0201-1976 */
+ LEADING_BYTE_LATIN_JISX0201, /* 0x8A Left half of JIS X0201-1976 */
+ LEADING_BYTE_CYRILLIC_ISO8859_5,/* 0x8B Right half of ISO 8859-5 */
+ LEADING_BYTE_LATIN_ISO8859_9 /* 0x8C Right half of ISO 8859-9 */
+ /* 0x8D unused */
+};
#define MIN_LEADING_BYTE_OFFICIAL_1 LEADING_BYTE_LATIN_ISO8859_1
#define MAX_LEADING_BYTE_OFFICIAL_1 LEADING_BYTE_LATIN_ISO8859_9
/** The following are for 2-byte characters in an official charset. **/
-
-#define LEADING_BYTE_JAPANESE_JISX0208_1978 0x90/* Japanese JIS X0208-1978 */
-#define LEADING_BYTE_CHINESE_GB2312 0x91 /* Chinese Hanzi GB2312-1980 */
-#define LEADING_BYTE_JAPANESE_JISX0208 0x92 /* Japanese JIS X0208-1983 */
-#define LEADING_BYTE_KOREAN_KSC5601 0x93 /* Hangul KS C5601-1987 */
-#define LEADING_BYTE_JAPANESE_JISX0212 0x94 /* Japanese JIS X0212-1990 */
-#define LEADING_BYTE_CHINESE_CNS11643_1 0x95 /* Chinese CNS11643 Set 1 */
-#define LEADING_BYTE_CHINESE_CNS11643_2 0x96 /* Chinese CNS11643 Set 2 */
-#define LEADING_BYTE_CHINESE_BIG5_1 0x97 /* Big5 Level 1 */
-#define LEADING_BYTE_CHINESE_BIG5_2 0x98 /* Big5 Level 2 */
- /* 0x99 unused */
- /* 0x9A unused */
- /* 0x9B unused */
- /* 0x9C unused */
- /* 0x9D unused */
+enum LEADING_BYTE_OFFICIAL_2
+{
+ LEADING_BYTE_JAPANESE_JISX0208_1978 = 0x90, /* Japanese JIS X0208-1978 */
+ LEADING_BYTE_CHINESE_GB2312, /* 0x91 Chinese Hanzi GB2312-1980 */
+ LEADING_BYTE_JAPANESE_JISX0208, /* 0x92 Japanese JIS X0208-1983 */
+ LEADING_BYTE_KOREAN_KSC5601, /* 0x93 Hangul KS C5601-1987 */
+ LEADING_BYTE_JAPANESE_JISX0212, /* 0x94 Japanese JIS X0212-1990 */
+ LEADING_BYTE_CHINESE_CNS11643_1, /* 0x95 Chinese CNS11643 Set 1 */
+ LEADING_BYTE_CHINESE_CNS11643_2, /* 0x96 Chinese CNS11643 Set 2 */
+ LEADING_BYTE_CHINESE_BIG5_1, /* 0x97 Big5 Level 1 */
+ LEADING_BYTE_CHINESE_BIG5_2 /* 0x98 Big5 Level 2 */
+ /* 0x99 unused */
+ /* 0x9A unused */
+ /* 0x9B unused */
+ /* 0x9C unused */
+};
#define MIN_LEADING_BYTE_OFFICIAL_2 LEADING_BYTE_JAPANESE_JISX0208_1978
#define MAX_LEADING_BYTE_OFFICIAL_2 LEADING_BYTE_CHINESE_BIG5_2
#define XCHARSET(x) XRECORD (x, charset, struct Lisp_Charset)
#define XSETCHARSET(x, p) XSETRECORD (x, p, charset)
#define CHARSETP(x) RECORDP (x, charset)
-#define GC_CHARSETP(x) GC_RECORDP (x, charset)
#define CHECK_CHARSET(x) CHECK_RECORD (x, charset)
#define CONCHECK_CHARSET(x) CONCHECK_RECORD (x, charset)
/* Leading byte and id have been regrouped. -- OG */
#define CHARSET_ID(cs) ((cs)->id)
-#define CHARSET_LEADING_BYTE(cs) ((Bufbyte)(CHARSET_ID(cs)))
+#define CHARSET_LEADING_BYTE(cs) ((Bufbyte) CHARSET_ID(cs))
#define CHARSET_NAME(cs) ((cs)->name)
#define CHARSET_SHORT_NAME(cs) ((cs)->short_name)
#define CHARSET_LONG_NAME(cs) ((cs)->long_name)
#define XCHARSET_REVERSE_DIRECTION_CHARSET(cs) \
CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
-/* Table of charsets indexed by (leading byte - 128). */
-extern Lisp_Object charset_by_leading_byte[NUM_LEADING_BYTES];
+struct charset_lookup {
+ /* Table of charsets indexed by (leading byte - MIN_LEADING_BYTE). */
+ Lisp_Object charset_by_leading_byte[NUM_LEADING_BYTES];
+
+ /* Table of charsets indexed by type/final-byte/direction. */
+ Lisp_Object charset_by_attributes[4][128][2];
+};
-/* Table of charsets indexed by type/final-byte/direction. */
-extern Lisp_Object charset_by_attributes[4][128][2];
+extern struct charset_lookup *chlook;
/* Table of number of bytes in the string representation of a character
indexed by the first byte of that representation.
{
assert (lb >= MIN_LEADING_BYTE &&
lb < (MIN_LEADING_BYTE + NUM_LEADING_BYTES));
- return charset_by_leading_byte[lb - MIN_LEADING_BYTE];
+ return chlook->charset_by_leading_byte[lb - MIN_LEADING_BYTE];
}
#else
#define CHARSET_BY_LEADING_BYTE(lb) \
- (charset_by_leading_byte[(lb) - MIN_LEADING_BYTE])
+ (chlook->charset_by_leading_byte[(lb) - MIN_LEADING_BYTE])
#endif
#define CHARSET_BY_ATTRIBUTES(type, final, dir) \
- (charset_by_attributes[type][final][dir])
+ (chlook->charset_by_attributes[type][final][dir])
#ifdef ERROR_CHECK_TYPECHECK
/* Dealing with characters */
/************************************************************************/
-/* Is this character represented by more than one byte in a string? */
-
-#define CHAR_MULTIBYTE_P(c) ((c) >= 0x80)
-
-#define CHAR_ASCII_P(c) (!CHAR_MULTIBYTE_P (c))
+#define CHAR_ASCII_P(ch) ((ch) <= 0x7F)
/* The bit fields of character are divided into 3 parts:
FIELD1(5bits):FIELD2(7bits):FIELD3(7bits) */
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