修复内存溢出问题

Signed-off-by: duanyB <duanyuxuan5566232@163.com>

Author: duanygithub

src/main/java/dev/duanyper/cidcore/CInterpreter.java

@@ -497,7 +497,7 @@ public Variable calcExpression(TreeNode treeNode) throws CIdGrammarException, CI
                 // 处理后缀自增自减操作: var++ 或 var--
                 String op = cur.substring(0, cur.length() - "_postfix".length());
                 Variable var = stack.pop(); // 变量
-                
+
                 // 保存原始值
                 Variable originalValue = null;
                 if (var.getType().equals(CIdType.Int)) {
@@ -510,15 +510,15 @@ public Variable calcExpression(TreeNode treeNode) throws CIdGrammarException, CI
                     originalValue = CIdBOOLEAN.createBOOLEAN(var.getValue().intValue() != 0);
                 } else if (var.getType() instanceof CIdPointerType) {
                     originalValue = CIdPOINTER.createPOINTER(
-                        ((CIdPOINTER) var).getLevel(),
-                        var.getValue().longValue(),
-                        ((CIdPOINTER) var).getTargetType()
+                            ((CIdPOINTER) var).getLevel(),
+                            var.getValue().longValue(),
+                            ((CIdPOINTER) var).getTargetType()
                     );
                 }
-                
+
                 // 执行自增/自减操作 (Variable类已经直接支持++和--)
                 var.procOperation(null, op);
-                
+
                 // 返回原始值
                 stack.push(originalValue);
             } else if (MExp2FExp.Operation.getValue(cur) != 0) {

src/main/java/dev/duanyper/cidcore/DbgStart.java

@@ -3,7 +3,6 @@
 import dev.duanyper.cidcore.exception.CIdGrammarException;
 import dev.duanyper.cidcore.libraries.CStdIO;
 
-import java.lang.reflect.InvocationTargetException;
 import java.util.List;
 
 public class DbgStart {

src/main/java/dev/duanyper/cidcore/memory/paging/PagingManager.java

@@ -42,7 +42,7 @@ public static PageTable createNewPageTable() {
     static int getNextFreePhysicalPage() {
         curFreePhysicalMemoryPage++;
         if (curFreePhysicalMemoryPage > divide4096(PagingMemoryManager.maxMemorySize)) {
-            curFreePhysicalMemoryPage = 0;
+            throw new OutOfMemoryError("Physical memory pages exhausted");
         }
         return curFreePhysicalMemoryPage;
     }

src/main/java/dev/duanyper/cidcore/memory/paging/PagingMemoryManager.java

@@ -5,7 +5,7 @@
 import java.util.Arrays;
 
 public class PagingMemoryManager implements CIdMemoryManager {
-    static long maxMemorySize = 4 * 1024 * 1024;
+    static long maxMemorySize = 64 * 1024 * 1024;
 
     @Override
     public void init() {