public LegacyRegister getRegister(AbstractToken tok) {
String name = labelName(tok);
LegacyRegister reg = LegacyRegister.getRegisterByName(name);
if (reg == null) reg = (LegacyRegister) definitions.get(name);
if (reg == null) ERROR.UnknownRegister(tok);
return reg;
}
protected void simplify(Item i) {
Item.Instruction instr = null;
if (i instanceof Item.Instruction) instr = (Item.Instruction) i;
try {
i.simplify();
} catch (LegacyInstr.ImmediateRequired e) {
ERROR.ConstantExpected((SyntacticOperand) e.operand);
} catch (LegacyInstr.InvalidImmediate e) {
ERROR.ConstantOutOfRange(
instr.operands[e.number - 1], e.value, StringUtil.interval(e.low, e.high));
} catch (LegacyInstr.InvalidRegister e) {
ERROR.IncorrectRegister(instr.operands[e.number - 1], e.register, e.set.toString());
} catch (LegacyInstr.RegisterRequired e) {
ERROR.RegisterExpected((SyntacticOperand) e.operand);
} catch (LegacyInstr.WrongNumberOfOperands e) {
ERROR.WrongNumberOfOperands(instr.name, e.found, e.expected);
}
}
public int getVariable(AbstractToken tok) {
String name = labelName(tok);
Integer v = (Integer) constants.get(name);
if (v == null) {
Item.Label li = (Item.Label) labels.get(name);
if (li == null) ERROR.UnknownVariable(tok);
if (li.segment == programSegment && !useByteAddresses) return li.getByteAddress() >> 1;
else return li.getByteAddress();
} else return v.intValue();
}
// .include directive
public void includeFile(AbstractToken fname) throws AbstractParseException {
try {
modulePrinter.println("includeFile(" + fname.image + ')');
String fn = StringUtil.trimquotes(fname.image);
AtmelParser parser = new AtmelParser(new FileInputStream(fn), this, fn);
// TODO: handle infinite include recursion possibility
parser.Module();
} catch (FileNotFoundException e) {
ERROR.IncludeFileNotFound(fname);
}
}
public void addRegisterName(String name, AbstractToken reg) {
LegacyRegister register = LegacyRegister.getRegisterByName(reg.image);
if (register == null) ERROR.UnknownRegister(reg);
definitions.put(labelName(name), register);
}