summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRoberto Ierusalimschy <roberto@inf.puc-rio.br>2019-12-17 14:24:30 -0300
committerRoberto Ierusalimschy <roberto@inf.puc-rio.br>2019-12-17 14:24:30 -0300
commite0ab13c62f2c1af0af955f173beb3ea6473e8064 (patch)
tree5de81039dfdbaff96094478781c41a9010f121f8
parente0cbaa50fa7e97a8b7404041a59caac47b3949a5 (diff)
downloadlua-github-e0ab13c62f2c1af0af955f173beb3ea6473e8064.tar.gz
Easy way to allow Unicode characters in identifiers
For those that want to try it...
-rw-r--r--lctype.c41
1 files changed, 25 insertions, 16 deletions
diff --git a/lctype.c b/lctype.c
index 4eaad167..95422809 100644
--- a/lctype.c
+++ b/lctype.c
@@ -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 /* } */