修复

src/main/java/org/jcnc/snow/compiler/cli/SnowCompiler.java

@@ -48,12 +48,12 @@ public class SnowCompiler {
         ParserContext ctx = new ParserContext(tokens);
         List<Node> ast   = new ParserEngine(ctx).parse();
 
-        System.out.println(source);
+//        System.out.println(source);
-        TokenPrinter.print(tokens);  // 打印 Token 列表
+//        TokenPrinter.print(tokens);  // 打印 Token 列表
         ASTPrinter.print(ast);       // 打印 AST
-        ASTPrinter.printJson(ast);   // 打印JSON AST
+//        ASTPrinter.printJson(ast);   // 打印JSON AST
         /* 3. 语义分析 */
-        SemanticAnalyzerRunner.runSemanticAnalysis(ast, true);
+        SemanticAnalyzerRunner.runSemanticAnalysis(ast, false);
 
         /* 4. AST → IRProgram */
         IRProgram program = new BasicIRBuilder().buildProgram(ast);
@@ -61,27 +61,27 @@ public class SnowCompiler {
         System.out.println(program);
 
         /* 5. 后端：寄存器分配 & 代码生成 + VM 执行 */
-//        for (IRFunction fn : program.functions()) {
+        for (IRFunction fn : program.functions()) {
-//            var alloc = new RegisterAllocator();
+            var alloc = new RegisterAllocator();
-//            var slotM = alloc.allocate(fn);
+            var slotM = alloc.allocate(fn);
-//
+
-//            var gen   = new VMCodeGenerator(slotM);
+            var gen   = new VMCodeGenerator(slotM);
-//            var code  = gen.generate(fn);
+            var code  = gen.generate(fn);
-//
+
-//            System.out.println("== VM code for " + fn.name() + " ==");
+            System.out.println("== VM code for " + fn.name() + " ==");
-//            code.forEach(System.out::println);
+            code.forEach(System.out::println);
-//
+
-//
+
-//            /* 只执行 main 函数 */
+            /* 只执行 main 函数 */
-//            if ("main".equals(fn.name())) {
+            if ("main".equals(fn.name())) {
-//                VirtualMachineEngine vm = new VirtualMachineEngine(VMMode.RUN);
+                VirtualMachineEngine vm = new VirtualMachineEngine(VMMode.RUN);
-//
+
-//                vm.execute(code);           // 运行指令
+                vm.execute(code);           // 运行指令
-//                vm.printStack();            // 打印 Operand-/Call-Stack
+                vm.printStack();            // 打印 Operand-/Call-Stack
-//                vm.printLocalVariables();   // 打印局部变量槽
+                vm.printLocalVariables();   // 打印局部变量槽
-//
+
-//                System.out.println("Process has ended");
+                System.out.println("Process has ended");
-//            }
+            }
-//        }
+        }
     }
 }

src/main/java/org/jcnc/snow/vm/engine/VirtualMachineEngine.java

@@ -76,7 +76,7 @@ public class VirtualMachineEngine {
             throw new IllegalArgumentException("The command list cannot be empty or null.");
         }
 
-        ensureRootFrame();              // ← 新增
+        ensureRootFrame();
 
         if (command == null || command.isEmpty()) {
             throw new IllegalArgumentException("The command list cannot be empty or null.");
@@ -111,10 +111,10 @@ public class VirtualMachineEngine {
 
         LocalVariableStore lvs = this.localVariableStore;         // 仍复用现有对象
 
-        /* ---------- 预分配 32 个空位 ---------- */
+        /* ---------- 预分配 1 个空位 ---------- */
-        for (int i = 0; i < 32; i++) {
+//        for (int i = 0; i < 0; i++) {
-            lvs.setVariable(i, 0);    // setVariable() 会自动扩容，先填 0 占位
+//            lvs.setVariable(i, 0);    // setVariable() 会自动扩容，先填 0 占位
-        }
+//        }
 
         MethodContext mc = new MethodContext("root", null);
         StackFrame    sf = new StackFrame(0, lvs, mc);

test

@@ -8,7 +8,8 @@ module: CommonTasks
         body:
             num1 = 10
             num2 = 20
-            return (num1 + num2) * 2
+            declare result:int = num1+num2
+            return 0
         end body
     end function
 end module