public ExtendedStringLiteral extendWith(CharLiteral lit){
  int length=this.source.length;
  System.arraycopy(this.source,0,(this.source=new char[length + 1]),0,length);
  this.source[length]=lit.value;
  this.sourceEnd=lit.sourceEnd;
  return this;
}

public ExtendedStringLiteral extendWith ( CharLiteral lit ) { int length = this . source . length ; System . arraycopy ( this . source , 0 , ( this . source = new char [ length + 1 ] ) , 0 , length ) ; this . source [ length ] = lit . value ; this . sourceEnd = lit . sourceEnd ; return this ; }
add the lit source to mine , just as if it was mine
