New line expression.

Author: Moderocky

src/main/java/mx/kenzie/skript/compiler/SkriptLangSpec.java

@@ -168,6 +168,7 @@ private SkriptLangSpec() {
             new SupplierSection(),
             new RunnableSection(),
             new ThreadExpression(),
+            new NewLineExpression(),
             new ResultOfExpression(), // must try before property
             new PropertyExpression(),
             new SystemInputExpression(),

src/main/java/mx/kenzie/skript/lang/syntax/generic/NewLineExpression.java

@@ -0,0 +1,27 @@
+package mx.kenzie.skript.lang.syntax.generic;
+
+import mx.kenzie.foundation.Type;
+import mx.kenzie.skript.api.syntax.SimpleExpression;
+import mx.kenzie.skript.compiler.CommonTypes;
+import mx.kenzie.skript.compiler.SkriptLangSpec;
+import mx.kenzie.skript.lang.element.StandardElements;
+import mx.kenzie.skript.lang.handler.StandardHandlers;
+
+public class NewLineExpression extends SimpleExpression {
+    
+    public NewLineExpression() {
+        super(SkriptLangSpec.LIBRARY, StandardElements.EXPRESSION, "(new[ ]line|nl)");
+        handlers.put(StandardHandlers.GET, findMethod(System.class, "lineSeparator"));
+    }
+    
+    @Override
+    public Type getReturnType() {
+        return CommonTypes.STRING;
+    }
+    
+    @Override
+    public boolean allowAsInputFor(Type type) {
+        return CommonTypes.STRING.equals(type) || CommonTypes.OBJECT.equals(type);
+    }
+    
+}

src/test/resources/generic.bsk

@@ -10,6 +10,7 @@ function generic_expressions:
         assert {var} is "a"
         set {var} to (false ? "a" : "b")
         assert {var} is "b"
+        assert newline is a string
 
 
 function test_system: