Hack together default pattern

Author: APickledWalrus

src/main/java/org/skriptlang/reflect/syntax/CustomSyntaxStructure.java

@@ -33,6 +33,7 @@
 
 public abstract class CustomSyntaxStructure<T extends CustomSyntaxStructure.SyntaxData> extends Structure {
 
+  public static final String DEFAULT_PATTERN = "this is here because at least one pattern is required";
   public static final Priority PRIORITY = new Priority(350);
 
   public static class CustomSyntaxEvent extends Event {
@@ -194,9 +195,14 @@ private void update() {
     SyntaxInfo<?> oldSyntaxInfo = getDataTracker().getInfo();
     // an angel weeps
     syntaxRegistry.unregister((SyntaxRegistry.Key) getDataTracker().getSyntaxKey(), (SyntaxInfo<?>) oldSyntaxInfo);
+
+    List<String> patterns = new ArrayList<>(getDataTracker().getPatterns());
+    if (!patterns.isEmpty()) {
+      patterns.add(DEFAULT_PATTERN);
+    }
     SyntaxInfo<?> newSyntaxInfo = oldSyntaxInfo.builder()
         .clearPatterns()
-        .addPatterns(getDataTracker().getPatterns())
+        .addPatterns(patterns)
         .build();
     syntaxRegistry.register((SyntaxRegistry.Key) getDataTracker().getSyntaxKey(), newSyntaxInfo);
     getDataTracker().setInfo(newSyntaxInfo);

src/main/java/org/skriptlang/reflect/syntax/condition/elements/StructCustomCondition.java

@@ -57,7 +57,7 @@ public class StructCustomCondition extends CustomSyntaxStructure<ConditionSyntax
   static final Map<ConditionSyntaxInfo, Boolean> parseSectionLoaded = new HashMap<>();
 
   static {
-    Skript.registerCondition(CustomCondition.class, "this is here because at least one pattern is required");
+    Skript.registerCondition(CustomCondition.class, DEFAULT_PATTERN);
     Optional<SyntaxInfo<? extends Condition>> info = SkriptMirror.getAddonInstance().syntaxRegistry().syntaxes(SyntaxRegistry.CONDITION).stream()
         .filter(i -> i.type() == CustomCondition.class)
         .findFirst();

src/main/java/org/skriptlang/reflect/syntax/effect/elements/StructCustomEffect.java

@@ -51,7 +51,7 @@ public class StructCustomEffect extends CustomSyntaxStructure<EffectSyntaxInfo>
   static final Map<EffectSyntaxInfo, Boolean> parseSectionLoaded = new HashMap<>();
 
   static {
-    Skript.registerEffect(CustomEffect.class, "this is here because at least one pattern is required");
+    Skript.registerEffect(CustomEffect.class, DEFAULT_PATTERN);
     Optional<SyntaxInfo<? extends Effect>> info = SkriptMirror.getAddonInstance().syntaxRegistry().syntaxes(SyntaxRegistry.EFFECT).stream()
       .filter(i -> i.type() == CustomEffect.class)
       .findFirst();

src/main/java/org/skriptlang/reflect/syntax/event/elements/StructCustomEvent.java

@@ -62,7 +62,7 @@ public boolean canCreateWith(String node) {
   static final Map<EventSyntaxInfo, Boolean> parseSectionLoaded = new HashMap<>();
 
   static {
-    Skript.registerEvent("custom event", CustomEvent.class, BukkitCustomEvent.class, "this is here because at least one pattern is required");
+    Skript.registerEvent("custom event", CustomEvent.class, BukkitCustomEvent.class, DEFAULT_PATTERN);
     Optional<BukkitSyntaxInfos.Event<?>> info = SkriptMirror.getAddonInstance().syntaxRegistry().syntaxes(BukkitRegistryKeys.EVENT).stream()
       .filter(i -> i.type() == CustomEvent.class)
       .findFirst();

src/main/java/org/skriptlang/reflect/syntax/expression/elements/StructCustomConstant.java

@@ -39,7 +39,7 @@ public class StructCustomConstant extends CustomSyntaxStructure<ConstantSyntaxIn
 
   static {
     // noinspection unchecked
-    Skript.registerExpression(CustomExpression.class, Object.class, ExpressionType.SIMPLE, "this is here because at least one pattern is required");
+    Skript.registerExpression(CustomExpression.class, Object.class, ExpressionType.SIMPLE, DEFAULT_PATTERN);
     Optional<SyntaxInfo<?>> info = SkriptMirror.getAddonInstance().syntaxRegistry().elements().stream()
         .filter(i -> Expression.class.isAssignableFrom(i.type()))
         .filter(i -> i.type() == CustomExpression.class)

src/main/java/org/skriptlang/reflect/syntax/expression/elements/StructCustomExpression.java

@@ -88,7 +88,7 @@ protected Class<?> getValue(String value) {
 
   static {
     // noinspection unchecked
-    Skript.registerExpression(CustomExpression.class, Object.class, ExpressionType.PATTERN_MATCHES_EVERYTHING, "this is here because at least one pattern is required");
+    Skript.registerExpression(CustomExpression.class, Object.class, ExpressionType.PATTERN_MATCHES_EVERYTHING, DEFAULT_PATTERN);
     Optional<SyntaxInfo<?>> info = SkriptMirror.getAddonInstance().syntaxRegistry().elements().stream()
         .filter(i -> Expression.class.isAssignableFrom(i.type()))
         .filter(i -> i.type() == CustomExpression.class)