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Use a 3 stage table for Unicode properties

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Halves the data size and reduces source code size by 50x
Shows no significant runtime performance effect.
Allows for easily adding more properties to the table in the future
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Kovid Goyal
2025-03-25 13:16:59 +05:30
parent b8dc31930a
commit b66a763ddf
5 changed files with 142 additions and 69404 deletions
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34719
tools/wcswidth/char-props-data.go generated
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2
tools/wcswidth/char-props.go
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@@ -33,7 +33,7 @@ type GraphemeSegmentationState struct {
}
func CharPropsFor(ch rune) CharProps {
return charprops_t2[(rune(charprops_t1[ch>>charprops_shift])<<charprops_shift)+(ch&charprops_mask)]
return charprops_t3[charprops_t2[(rune(charprops_t1[ch>>charprops_shift])<<charprops_shift)+(ch&charprops_mask)]]
}
func IteratorOverGraphemes(text string) iter.Seq[string] {