================
@@ -1874,6 +1896,26 @@ class CodeCompleteFlow {
return toCodeCompleteResult(Top);
}
+ // Returns the LSP position at the end of the identifier suffix after the
+ // code completion cursor.
+ Position getEndOfCodeCompletionReplace(const SourceManager &SM) {
+ const Preprocessor &PP = Recorder->CCSema->getPreprocessor();
+ const LangOptions &LangOpts = Recorder->CCSema->getLangOpts();
+
+ // Skip past the code completion NUL byte and scan forward through
+ // identifier continuation characters (letters, digits, _, $, UCN,
+ // unicode). This handles all cases uniformly: with prefix ("vac^1abc"),
+ // without prefix ("vec.^asdf"), and digit-starting ("vec.^1abc").
+ const SourceLocation SuffixBegin =
+ PP.getCodeCompletionLoc().getLocWithOffset(1);
+ Position End = sourceLocToPosition(
+ SM, Lexer::findEndOfIdentifierContinuation(SuffixBegin, SM, LangOpts));
+ // Adjust for the NUL byte inserted at the cursor by code completion,
+ // which inflates the column by 1.
+ End.character--;
----------------
argothiel wrote:
Feels a bit hacky. If anyone has an idea how not to go off by one here, I'm
open for suggestions.
https://github.com/llvm/llvm-project/pull/187623
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