update to 1.21.10 and fix some bugs

Author: Alumopper

src/main/java/net/gunivers/sniffer/mixin/CommandFunctionManagerMixin.java

@@ -0,0 +1,42 @@
+package net.gunivers.sniffer.mixin;
+
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.function.CommandFunctionManager;
+import org.slf4j.Logger;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(CommandFunctionManager.class)
+public class CommandFunctionManagerMixin {
+
+    @Shadow @Final private static Logger LOGGER;
+
+    @Shadow @Final private MinecraftServer server;
+
+    @Inject(method = "tick", at = @At("HEAD"))
+    public void beforeTick(CallbackInfo ci){
+        //TODO at every start of a tick, the stack should be empty
+//        if(this.server.getTickManager().shouldTick()){
+//            ScopeManager.get().clear();
+//        }
+    }
+
+    @Inject(method = "tick", at = @At("TAIL"))
+    public void afterTick(CallbackInfo ci) {
+        //TODO at the end of a tick, the stack should be empty too, or a leak has occurred
+//        if(this.server.getTickManager().shouldTick()){
+//            if(!ScopeManager.get().isEmpty()){
+//                var scopes = new StringBuilder();
+//                for (var scope: ScopeManager.get().getDebugScopes()){
+//                    scopes.append(scope.getFunction()).append('\n');
+//                }
+//                LOGGER.warn("A leak occurred! \n Current scopes: \n {}", scopes);
+//                ScopeManager.get().clear();
+//            }
+//        }
+    }
+}

src/main/java/net/gunivers/sniffer/mixin/FallthroughCommandActionMixin.java

@@ -0,0 +1,22 @@
+package net.gunivers.sniffer.mixin;
+
+import net.gunivers.sniffer.command.BreakPointCommand;
+import net.minecraft.command.CommandExecutionContext;
+import net.minecraft.command.FallthroughCommandAction;
+import net.minecraft.command.Frame;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import static net.gunivers.sniffer.command.StepType.isStepOut;
+
+@Mixin(FallthroughCommandAction.class)
+public class FallthroughCommandActionMixin<T> {
+    @Inject(method = "execute", at = @At("HEAD"))
+    private void onExecute(CommandExecutionContext<T> commandExecutionContext, Frame frame, CallbackInfo ci){
+        if(BreakPointCommand.isDebugging && BreakPointCommand.moveSteps > 0 && !isStepOut()) {
+            BreakPointCommand.moveSteps --;
+        }
+    }
+}

src/main/java/net/gunivers/sniffer/mixin/SingleCommandActionMixin.java

@@ -0,0 +1,36 @@
+package net.gunivers.sniffer.mixin;
+
+import com.llamalad7.mixinextras.sugar.Local;
+import net.gunivers.sniffer.command.BreakPointCommand;
+import net.minecraft.command.*;
+import net.minecraft.server.command.AbstractServerCommandSource;
+import org.objectweb.asm.Opcodes;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import java.util.List;
+
+import static net.gunivers.sniffer.command.StepType.isStepOut;
+
+@Mixin(SingleCommandAction.class)
+public class SingleCommandActionMixin<T extends AbstractServerCommandSource<T>> {
+
+    @Inject(method = "execute", at = @At(value = "JUMP", opcode = Opcodes.IFEQ, ordinal = 4))
+    private void onExecute(
+            T baseSource,
+            List<T> sources,
+            CommandExecutionContext<T> context,
+            Frame frame,
+            ExecutionFlags flags,
+            CallbackInfo ci,
+            @Local(ordinal = 1) ExecutionFlags executionFlags
+    ){
+        if (!executionFlags.isInsideReturnRun()) {
+            if(BreakPointCommand.isDebugging && BreakPointCommand.moveSteps > 0 && !isStepOut()) {
+                BreakPointCommand.moveSteps --;
+            }
+        }
+    }
+}

src/main/java/net/gunivers/sniffer/util/ExceptionCode.java

@@ -0,0 +1,16 @@
+package net.gunivers.sniffer.util;
+
+public enum ExceptionCode {
+    REFLECT_INVOKE_EXCEPTION(0),
+    NULL_POINTER_EXCEPTION(1);
+
+    private final int code;
+
+    ExceptionCode(int code) {
+        this.code = code;
+    }
+
+    public int getCode() {
+        return code;
+    }
+}