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cosmopolitan/third_party/duktape/duk_unicode.h

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/*
* Unicode helpers
*/
#if !defined(DUK_UNICODE_H_INCLUDED)
#define DUK_UNICODE_H_INCLUDED
/*
* UTF-8 / XUTF-8 / CESU-8 constants
*/
#define DUK_UNICODE_MAX_XUTF8_LENGTH 7 /* up to 36 bit codepoints */
#define DUK_UNICODE_MAX_XUTF8_BMP_LENGTH 3 /* all codepoints up to U+FFFF */
#define DUK_UNICODE_MAX_CESU8_LENGTH 6 /* all codepoints up to U+10FFFF */
#define DUK_UNICODE_MAX_CESU8_BMP_LENGTH 3 /* all codepoints up to U+FFFF */
/*
* Useful Unicode codepoints
*
* Integer constants must be signed to avoid unexpected coercions
* in comparisons.
*/
#define DUK_UNICODE_CP_ZWNJ 0x200cL /* zero-width non-joiner */
#define DUK_UNICODE_CP_ZWJ 0x200dL /* zero-width joiner */
#define DUK_UNICODE_CP_REPLACEMENT_CHARACTER 0xfffdL /* http://en.wikipedia.org/wiki/Replacement_character#Replacement_character */
/*
* ASCII character constants
*
* C character literals like 'x' have a platform specific value and do
* not match ASCII (UTF-8) values on e.g. EBCDIC platforms. So, use
* these (admittedly awkward) constants instead. These constants must
* also have signed values to avoid unexpected coercions in comparisons.
*
* http://en.wikipedia.org/wiki/ASCII
*/
#define DUK_ASC_NUL 0x00
#define DUK_ASC_SOH 0x01
#define DUK_ASC_STX 0x02
#define DUK_ASC_ETX 0x03
#define DUK_ASC_EOT 0x04
#define DUK_ASC_ENQ 0x05
#define DUK_ASC_ACK 0x06
#define DUK_ASC_BEL 0x07
#define DUK_ASC_BS 0x08
#define DUK_ASC_HT 0x09
#define DUK_ASC_LF 0x0a
#define DUK_ASC_VT 0x0b
#define DUK_ASC_FF 0x0c
#define DUK_ASC_CR 0x0d
#define DUK_ASC_SO 0x0e
#define DUK_ASC_SI 0x0f
#define DUK_ASC_DLE 0x10
#define DUK_ASC_DC1 0x11
#define DUK_ASC_DC2 0x12
#define DUK_ASC_DC3 0x13
#define DUK_ASC_DC4 0x14
#define DUK_ASC_NAK 0x15
#define DUK_ASC_SYN 0x16
#define DUK_ASC_ETB 0x17
#define DUK_ASC_CAN 0x18
#define DUK_ASC_EM 0x19
#define DUK_ASC_SUB 0x1a
#define DUK_ASC_ESC 0x1b
#define DUK_ASC_FS 0x1c
#define DUK_ASC_GS 0x1d
#define DUK_ASC_RS 0x1e
#define DUK_ASC_US 0x1f
#define DUK_ASC_SPACE 0x20
#define DUK_ASC_EXCLAMATION 0x21
#define DUK_ASC_DOUBLEQUOTE 0x22
#define DUK_ASC_HASH 0x23
#define DUK_ASC_DOLLAR 0x24
#define DUK_ASC_PERCENT 0x25
#define DUK_ASC_AMP 0x26
#define DUK_ASC_SINGLEQUOTE 0x27
#define DUK_ASC_LPAREN 0x28
#define DUK_ASC_RPAREN 0x29
#define DUK_ASC_STAR 0x2a
#define DUK_ASC_PLUS 0x2b
#define DUK_ASC_COMMA 0x2c
#define DUK_ASC_MINUS 0x2d
#define DUK_ASC_PERIOD 0x2e
#define DUK_ASC_SLASH 0x2f
#define DUK_ASC_0 0x30
#define DUK_ASC_1 0x31
#define DUK_ASC_2 0x32
#define DUK_ASC_3 0x33
#define DUK_ASC_4 0x34
#define DUK_ASC_5 0x35
#define DUK_ASC_6 0x36
#define DUK_ASC_7 0x37
#define DUK_ASC_8 0x38
#define DUK_ASC_9 0x39
#define DUK_ASC_COLON 0x3a
#define DUK_ASC_SEMICOLON 0x3b
#define DUK_ASC_LANGLE 0x3c
#define DUK_ASC_EQUALS 0x3d
#define DUK_ASC_RANGLE 0x3e
#define DUK_ASC_QUESTION 0x3f
#define DUK_ASC_ATSIGN 0x40
#define DUK_ASC_UC_A 0x41
#define DUK_ASC_UC_B 0x42
#define DUK_ASC_UC_C 0x43
#define DUK_ASC_UC_D 0x44
#define DUK_ASC_UC_E 0x45
#define DUK_ASC_UC_F 0x46
#define DUK_ASC_UC_G 0x47
#define DUK_ASC_UC_H 0x48
#define DUK_ASC_UC_I 0x49
#define DUK_ASC_UC_J 0x4a
#define DUK_ASC_UC_K 0x4b
#define DUK_ASC_UC_L 0x4c
#define DUK_ASC_UC_M 0x4d
#define DUK_ASC_UC_N 0x4e
#define DUK_ASC_UC_O 0x4f
#define DUK_ASC_UC_P 0x50
#define DUK_ASC_UC_Q 0x51
#define DUK_ASC_UC_R 0x52
#define DUK_ASC_UC_S 0x53
#define DUK_ASC_UC_T 0x54
#define DUK_ASC_UC_U 0x55
#define DUK_ASC_UC_V 0x56
#define DUK_ASC_UC_W 0x57
#define DUK_ASC_UC_X 0x58
#define DUK_ASC_UC_Y 0x59
#define DUK_ASC_UC_Z 0x5a
#define DUK_ASC_LBRACKET 0x5b
#define DUK_ASC_BACKSLASH 0x5c
#define DUK_ASC_RBRACKET 0x5d
#define DUK_ASC_CARET 0x5e
#define DUK_ASC_UNDERSCORE 0x5f
#define DUK_ASC_GRAVE 0x60
#define DUK_ASC_LC_A 0x61
#define DUK_ASC_LC_B 0x62
#define DUK_ASC_LC_C 0x63
#define DUK_ASC_LC_D 0x64
#define DUK_ASC_LC_E 0x65
#define DUK_ASC_LC_F 0x66
#define DUK_ASC_LC_G 0x67
#define DUK_ASC_LC_H 0x68
#define DUK_ASC_LC_I 0x69
#define DUK_ASC_LC_J 0x6a
#define DUK_ASC_LC_K 0x6b
#define DUK_ASC_LC_L 0x6c
#define DUK_ASC_LC_M 0x6d
#define DUK_ASC_LC_N 0x6e
#define DUK_ASC_LC_O 0x6f
#define DUK_ASC_LC_P 0x70
#define DUK_ASC_LC_Q 0x71
#define DUK_ASC_LC_R 0x72
#define DUK_ASC_LC_S 0x73
#define DUK_ASC_LC_T 0x74
#define DUK_ASC_LC_U 0x75
#define DUK_ASC_LC_V 0x76
#define DUK_ASC_LC_W 0x77
#define DUK_ASC_LC_X 0x78
#define DUK_ASC_LC_Y 0x79
#define DUK_ASC_LC_Z 0x7a
#define DUK_ASC_LCURLY 0x7b
#define DUK_ASC_PIPE 0x7c
#define DUK_ASC_RCURLY 0x7d
#define DUK_ASC_TILDE 0x7e
#define DUK_ASC_DEL 0x7f
/*
* Miscellaneous
*/
/* Uppercase A is 0x41, lowercase a is 0x61; OR 0x20 to convert uppercase
* to lowercase.
*/
#define DUK_LOWERCASE_CHAR_ASCII(x) ((x) | 0x20)
/*
* Unicode tables
*/
#if defined(DUK_USE_SOURCE_NONBMP)
/*
* Automatically generated by extract_chars.py, do not edit!
*/
extern const duk_uint8_t duk_unicode_ids_noa[1116];
#else
/*
* Automatically generated by extract_chars.py, do not edit!
*/
extern const duk_uint8_t duk_unicode_ids_noabmp[625];
#endif
#if defined(DUK_USE_SOURCE_NONBMP)
/*
* Automatically generated by extract_chars.py, do not edit!
*/
extern const duk_uint8_t duk_unicode_ids_m_let_noa[42];
#else
/*
* Automatically generated by extract_chars.py, do not edit!
*/
extern const duk_uint8_t duk_unicode_ids_m_let_noabmp[24];
#endif
#if defined(DUK_USE_SOURCE_NONBMP)
/*
* Automatically generated by extract_chars.py, do not edit!
*/
extern const duk_uint8_t duk_unicode_idp_m_ids_noa[576];
#else
/*
* Automatically generated by extract_chars.py, do not edit!
*/
extern const duk_uint8_t duk_unicode_idp_m_ids_noabmp[358];
#endif
/*
* Automatically generated by extract_caseconv.py, do not edit!
*/
extern const duk_uint8_t duk_unicode_caseconv_uc[1411];
extern const duk_uint8_t duk_unicode_caseconv_lc[706];
#if defined(DUK_USE_REGEXP_CANON_WORKAROUND)
/*
* Automatically generated by extract_caseconv.py, do not edit!
*/
extern const duk_uint16_t duk_unicode_re_canon_lookup[65536];
#endif
#if defined(DUK_USE_REGEXP_CANON_BITMAP)
/*
* Automatically generated by extract_caseconv.py, do not edit!
*/
#define DUK_CANON_BITMAP_BLKSIZE 32
#define DUK_CANON_BITMAP_BLKSHIFT 5
#define DUK_CANON_BITMAP_BLKMASK 31
extern const duk_uint8_t duk_unicode_re_canon_bitmap[256];
#endif
/*
* Extern
*/
/* duk_unicode_support.c */
#if !defined(DUK_SINGLE_FILE)
DUK_INTERNAL_DECL const duk_uint8_t duk_unicode_xutf8_markers[7];
DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_digit[2];
DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_white[22];
DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_wordchar[8];
DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_not_digit[4];
DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_not_white[24];
DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_not_wordchar[10];
DUK_INTERNAL_DECL const duk_int8_t duk_is_idchar_tab[128];
#endif /* !DUK_SINGLE_FILE */
/*
* Prototypes
*/
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_get_xutf8_length(duk_ucodepoint_t cp);
#if defined(DUK_USE_ASSERTIONS)
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_get_cesu8_length(duk_ucodepoint_t cp);
#endif
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_encode_xutf8(duk_ucodepoint_t cp, duk_uint8_t *out);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_encode_cesu8(duk_ucodepoint_t cp, duk_uint8_t *out);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_decode_xutf8(duk_hthread *thr, const duk_uint8_t **ptr, const duk_uint8_t *ptr_start, const duk_uint8_t *ptr_end, duk_ucodepoint_t *out_cp);
DUK_INTERNAL_DECL duk_ucodepoint_t duk_unicode_decode_xutf8_checked(duk_hthread *thr, const duk_uint8_t **ptr, const duk_uint8_t *ptr_start, const duk_uint8_t *ptr_end);
DUK_INTERNAL_DECL duk_size_t duk_unicode_unvalidated_utf8_length(const duk_uint8_t *data, duk_size_t blen);
DUK_INTERNAL_DECL duk_bool_t duk_unicode_is_utf8_compatible(const duk_uint8_t *buf, duk_size_t len);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_whitespace(duk_codepoint_t cp);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_line_terminator(duk_codepoint_t cp);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_identifier_start(duk_codepoint_t cp);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_identifier_part(duk_codepoint_t cp);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_letter(duk_codepoint_t cp);
DUK_INTERNAL_DECL void duk_unicode_case_convert_string(duk_hthread *thr, duk_bool_t uppercase);
#if defined(DUK_USE_REGEXP_SUPPORT)
DUK_INTERNAL_DECL duk_codepoint_t duk_unicode_re_canonicalize_char(duk_hthread *thr, duk_codepoint_t cp);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_re_is_wordchar(duk_codepoint_t cp);
#endif
#endif /* DUK_UNICODE_H_INCLUDED */
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