message: Reduce complexity with early-out if.
diff: @@ -182,9 +182,10 @@ std::vector<verible::lsp::DocumentHighlight> CreateHighlightRanges(
  if (!current) return result;
  const verible::LineColumn cursor{p.position.line, p.position.character};
  const verible::TextStructureView &text = current->parser().Data();
  +
  const verible::TokenInfo cursor_token = text.FindTokenAt(cursor);
  + if (cursor_token.token_enum() != SymbolIdentifier) return result;
  - if (cursor_token.token_enum() == SymbolIdentifier) {
  // Find all the symbols with the same name in the buffer.
  // Note, this is very simplistic as it does _not_ take scopes into account.
  // For that, we'd need the symbol table, but that implementation is not
  @@ -200,7 +201,7 @@ std::vector<verible::lsp::DocumentHighlight> CreateHighlightRanges(
  .end = {.line = range.end.line, .character = range.end.column},
  }});
  }
  - }
  +
  return result;
  }
  