return bc.getLineNr(sfPc - 1);
return String.valueOf(bc.getLineNr(sfPc - 1));
	public final int getLineNr() {		if (isInterpreted()) {			final VmByteCode bc = sfMethod.getBytecode();			if (bc != null) {				return bc.getLineNr(sfPc - 1);			} else {				return -1;			}		} else {			final VmCompiledCode cc = sfMethod.getCompiledCode(getMagic());			if ((cc != null) && (sfInstructionPointer != null)) {				return cc.getLineNr(sfInstructionPointer);			} else {				return -1;			}		}	}