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Easy way to allow Unicode characters in identifiers 

For those that want to try it...
pull/23/head
Roberto Ierusalimschy 5 years ago
parent
e0cbaa50fa
commit
e0ab13c62f
1 changed files with 25 additions and 16 deletions
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  1. 41
      lctype.c

41
lctype.c
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@ -16,6 +16,15 @@
#include <limits.h>
#if defined (LUA_UCID) /* accept UniCode IDentifiers? */
/* consider all non-ascii codepoints to be alphabetic */
#define NONA 0x01
#else
#define NONA 0x00 /* default */
#endif
LUAI_DDEF const lu_byte luai_ctype_[UCHAR_MAX + 2] = {
0x00, /* EOZ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0. */
@ -34,22 +43,22 @@ LUAI_DDEF const lu_byte luai_ctype_[UCHAR_MAX + 2] = {
0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05,
0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, /* 7. */
0x05, 0x05, 0x05, 0x04, 0x04, 0x04, 0x04, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 8. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 9. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* a. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* b. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* c. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* d. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* e. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* f. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA, /* 8. */
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA,
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA, /* 9. */
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA,
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA, /* a. */
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA,
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA, /* b. */
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA,
0x00, 0x00, NONA, NONA, NONA, NONA, NONA, NONA, /* c. */
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA,
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA, /* d. */
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA,
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA, /* e. */
NONA, NONA, NONA, NONA, NONA, NONA, NONA, NONA,
NONA, NONA, NONA, NONA, NONA, 0x00, 0x00, 0x00, /* f. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
#endif /* } */

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