Merge branch 'master' into future

src/main/java/carpet/script/CarpetScriptServer.java

@@ -12,6 +12,7 @@ import carpet.script.bundled.BundledModule;
 import carpet.CarpetServer;
 import carpet.script.bundled.FileModule;
 import carpet.script.bundled.Module;
+import carpet.script.exception.ExpressionException;
 import carpet.script.language.Arithmetic;
 import carpet.script.language.ControlFlow;
 import carpet.script.language.DataStructures;
@@ -437,6 +438,7 @@ public class CarpetScriptServer
     
     public static void parseFunctionClasses()
     {
+        ExpressionException.prepareForDoom(); // see fc-#1172
         // Language
         AnnotationParser.parseFunctionClass(Arithmetic.class);
         AnnotationParser.parseFunctionClass(ControlFlow.class);

src/main/java/carpet/script/api/Auxiliary.java

@@ -683,6 +683,7 @@ public class Auxiliary {
         expression.addContextFunction("game_tick", -1, (c, t, lv) -> {
             CarpetContext cc = (CarpetContext)c;
             ServerCommandSource s = cc.s;
+            if (CarpetServer.scriptServer == null) return Value.NULL;
             if (!s.getServer().isOnThread()) throw new InternalExpressionException("Unable to run ticks from threads");
             if (CarpetServer.scriptServer.tickDepth > 16) throw new InternalExpressionException("'game_tick' function caused other 'game_tick' functions to run. You should not allow that.");
             try
@@ -710,9 +711,10 @@ public class Auxiliary {
             }
             finally
             {
-                CarpetServer.scriptServer.tickDepth --;
+                if (CarpetServer.scriptServer != null)
+                    CarpetServer.scriptServer.tickDepth --;
             }
-            if(CarpetServer.scriptServer.stopAll)
+            if(CarpetServer.scriptServer != null && CarpetServer.scriptServer.stopAll)
                 throw new ExitStatement(Value.NULL);
             return Value.TRUE;
         });

src/main/java/carpet/script/exception/ExpressionException.java

@@ -5,6 +5,7 @@ import carpet.script.Expression;
 import carpet.script.Fluff;
 import carpet.script.Tokenizer;
 import carpet.script.value.FunctionValue;
+import carpet.utils.Messenger;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -19,6 +20,9 @@ public class ExpressionException extends RuntimeException implements ResolvedExc
     public final List<FunctionValue> stack = new ArrayList<>();
     private final Supplier<String> lazyMessage;
     private String cachedMessage = null;
+    public static void prepareForDoom(){
+        Messenger.c("foo bar");
+    }
 
     public ExpressionException(Context c, Expression e, String message)
     {

src/main/java/carpet/script/language/Arithmetic.java

@@ -29,6 +29,10 @@ public class Arithmetic {
                 }
                 return new NumericValue(factorial);
             }
+            else if (number > 170)
+            {
+                return NumericValue.of(Double.MAX_VALUE);
+            }
             // values over 21 will exceed long limits
             double factorial = 1.0;
             for (int i = 1; i <= number; i++)