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Loader.java
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Loader.java
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package project;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.NoSuchElementException;
import java.util.Scanner;
public class Loader {
public static String load(MachineModel model, File file, int codeOffset, int memoryOffset) {
int codeSize = 0;
if (model == null || file == null) {
return null;
}
try {
Scanner input = new Scanner(file);
boolean incode = true;
while (input.hasNextLine()) {
String line = input.nextLine();
Scanner parser = new Scanner(line);
int firstInt = parser.nextInt(16);
if (incode && firstInt == -1) {
incode = false;
} else if (incode && firstInt != -1) {
int arg = parser.nextInt(16);
model.setCode(codeOffset + codeSize, firstInt, arg);
codeSize++;
} else if (incode == false) {
int memloc = firstInt + memoryOffset;
int value = parser.nextInt(16);
model.setData(memloc, value);
}
parser.close();
}
input.close();
return "" + codeSize;
} catch (ArrayIndexOutOfBoundsException e) {
return "Array Index " + e.getMessage();
} catch (NoSuchElementException e) {
return "From Scanner: NoSuchElementException";
} catch (FileNotFoundException e) {
return "File " + file.getName() + " Not Found";
}
}
public static void main(String[] args) {
MachineModel model = new MachineModel();
String s = Loader.load(model, new File("factorial.pexe"), 100, 200);
for (int i = 100; i < 100 + Integer.parseInt(s); i++) {
System.out.println(model.getCode().getText(i));
}
System.out.println(200 + " " + model.getData(200));
}
}