private void detectSymbolsAndBaseAddresses() throws IOException {
Hashtable<String, Integer> moduleSymbols = new Hashtable<String, Integer>();
int nd = parseNumber();
for (int i = 1; i <= nd; i++) {
String symbol = parseWord();
if (SymbolTable.defines(symbol)) {
String error = "Error: This variable is multiply defined; first value used.";
SymbolTable.getInstance().getErrors().put(symbol, error);
} else {
moduleSymbols.put(symbol, parseNumber() + this.baseAddress);
SymbolTable.getInstance().put(symbol, moduleSymbols.get(symbol));
}
}
skipUseList();
int moduleSize = parseNumber();
skipProgram(moduleSize);
MemoryMap.createProgramModule(this.baseAddress, moduleSymbols);
this.baseAddress += moduleSize;
skipWhiteSpace();
}
