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Use Rf_charIsASCII for IS_ASCII instead of testing LEVELS on R >= 4.5 #6422

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merged 10 commits into from
Mar 5, 2025
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Use Rf_charIsASCII for IS_ASCII instead of testing LEVELS on R >= 4.5 #6422

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40ad2e6
Drop direct use of NAMED
aitap Aug 28, 2024
46dbfa9
Almost drop direct use of LEVELS
aitap Aug 28, 2024
a524d14
NEWS entry for NAMED, LEVELS reduction
aitap Aug 28, 2024
72cbd17
Drop direct use of LEVELS in R >= 4.5
aitap Aug 28, 2024
b409a40
fine-tune NEWS
MichaelChirico Aug 28, 2024
01385c1
multiple PRs :)
MichaelChirico Mar 4, 2025
6a29ea9
tag SVN revision
MichaelChirico Mar 4, 2025
31e324b
Merge branch 'master' into R_4_5_isCharASCII
MichaelChirico Mar 4, 2025
9f5cc4f
TODO
MichaelChirico Mar 4, 2025
090dc37
fix merge
MichaelChirico Mar 4, 2025
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2 changes: 2 additions & 0 deletions NEWS.md
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Expand Up @@ -204,6 +204,8 @@ rowwiseDT(

4. The translations submitted for 1.16.0 are now actually shipped with the package -- our deepest apologies to the translators for the omission. We have added a CI check to ensure that the .mo binaries which get shipped with the package are always up-to-date.

2. Continued work to remove non-API C functions, [#6180](https://github.com/Rdatatable/data.table/issues/6180). Thanks Ivan Krylov for the PRs and for writing a clear and concise guide about the R API: https://aitap.codeberg.page/R-api/.

# data.table [v1.16.0](https://github.com/Rdatatable/data.table/milestone/30) (25 August 2024)

## BREAKING CHANGES
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6 changes: 5 additions & 1 deletion src/data.table.h
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Expand Up @@ -42,7 +42,11 @@
/* we mean the encoding bits, not CE_NATIVE in a UTF-8 locale */
#define IS_UTF8(x) (getCharCE(x) == CE_UTF8)
#define IS_LATIN(x) (getCharCE(x) == CE_LATIN1)
#define IS_ASCII(x) (LEVELS(x) & 64) // API expected in R >= 4.5
#if R_VERSION < R_Version(4, 5, 0) || R_SVN_REVISION < 86789
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Keeping this here even though there's another (4,5,0) check above at L21

  • The R_SVN_REVISIONs are different
  • The IS_UTF8() and IS_LATIN() macros are also right here

# define IS_ASCII(x) (LEVELS(x) & 64)
#else
# define IS_ASCII(x) (Rf_charIsASCII(x)) // no CE_ASCII
#endif
#define IS_TRUE(x) (TYPEOF(x)==LGLSXP && LENGTH(x)==1 && LOGICAL(x)[0]==TRUE)
#define IS_FALSE(x) (TYPEOF(x)==LGLSXP && LENGTH(x)==1 && LOGICAL(x)[0]==FALSE)
#define IS_TRUE_OR_FALSE(x) (TYPEOF(x)==LGLSXP && LENGTH(x)==1 && LOGICAL(x)[0]!=NA_LOGICAL)
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