================
@@ -287,6 +287,79 @@ inline size_t ColumnWidth(llvm::StringRef str) {
return llvm::sys::locale::columnWidth(stripped);
}
+// This function converts an index into "visible" text (text with ANSI codes
+// removed) into an index into the actual data of the text (which includes ANSI
+// codes). That actual index should be used when printing the actual data.
----------------
JDevlieghere wrote:
This should at least mention how this treats UTF-8, which is another common
source of divergence between the visible and actual length. Almost everywhere
we support escape codes, we also support unicode.
https://github.com/llvm/llvm-project/pull/178653
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