// all of these simply push values onto the stack
case NUMBER: b.add(parserLine, LITERAL, number); break;
case STRING: b.add(parserLine, LITERAL, string); break;
- case THIS: b.add(parserLine, TOPSCOPE, null); break;
case NULL: b.add(parserLine, LITERAL, null); break;
case TRUE: case FALSE: b.add(parserLine, LITERAL, new Boolean(tok == TRUE)); break;