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| author | Karl Williamson <khw@cpan.org> | 2019-10-02 20:37:17 -0600 |
|---|---|---|
| committer | Karl Williamson <khw@cpan.org> | 2019-10-06 11:07:09 -0600 |
| commit | ab2e28c2f2b8f2edf930448a1c0182a8bd4f469f (patch) | |
| tree | 16c1c3220b88f335af9a3d93b43815dcfe1c43ac /utfebcdic.h | |
| parent | 2dc97505e86018c7ceba8c96fd84f477c8dd45d3 (diff) | |
| download | perl-ab2e28c2f2b8f2edf930448a1c0182a8bd4f469f.tar.gz | |
Make defn of UVCHR_IS_INVARIANT common
This can be derived from other values, removing an EBCDIC dependency
Diffstat (limited to 'utfebcdic.h')
| -rw-r--r-- | utfebcdic.h | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/utfebcdic.h b/utfebcdic.h index 99a5bad5c3..d52d54a43f 100644 --- a/utfebcdic.h +++ b/utfebcdic.h @@ -202,17 +202,7 @@ possible to UTF-8-encode a single code point in different ways, but that is explicitly forbidden, and the shortest possible encoding should always be used (and that is what Perl does). */ -/* It turns out that on EBCDIC platforms, the invariants are the characters - * that have ASCII equivalents, plus the C1 controls. Since the C0 controls - * and DELETE are ASCII, this is the same as: (isASCII(uv) || isCNTRL_L1(uv)) - * */ -#define UVCHR_IS_INVARIANT(uv) cBOOL(FITS_IN_8_BITS(uv) \ - && (PL_charclass[(U8) (uv)] & (_CC_mask(_CC_ASCII) | _CC_mask(_CC_CNTRL)))) - -/* UTF-EBCDIC semantic macros - We used to transform back into I8 and then - * compare, but now only have to do a single lookup by using a bit in - * l1_char_class_tab.h. - * Comments as to the meaning of each are given at their corresponding utf8.h +/* Comments as to the meaning of each are given at their corresponding utf8.h * definitions. */ /* Equivalent to ! UVCHR_IS_INVARIANT(c) */ #define UTF8_IS_CONTINUED(c) cBOOL(FITS_IN_8_BITS(c) \ |