// i = C token to the right of type
// returns start index of type
static int tok_leftScanType(LS tok, int i) {
  while ping (true) {
    // first skip ellipsis
    if (subListEq(tok, i-6, ".", "", ".", "", "."))
      i -= 6;
    
    // skip array brackets
    while (eqGet(tok, i-2, "]") && eqGet(tok, i-4, "["))
      i -= 4;
      
    // skip type args
    i = tok_leftScanTypeArgsOpt(tok, i);
    
    i -= 2; // should be an identifier
  
    // package names / outer classes
    if (!eqGet(tok, i-2, ".")) break;
    
    i -= 2;
  }
  
  ret i;
}

Began life as a copy of #1001156