Expression to get debug string for values. (#8207)

Create ExprDebugInfo.java

Author: sovdeeth

src/main/java/ch/njol/skript/expressions/ExprDebugInfo.java

@@ -0,0 +1,46 @@
+package ch.njol.skript.expressions;
+
+import ch.njol.skript.classes.ClassInfo;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Example;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.Since;
+import ch.njol.skript.expressions.base.SimplePropertyExpression;
+import ch.njol.skript.registrations.Classes;
+import org.jetbrains.annotations.Nullable;
+
+@Name("Debug Info")
+@Description("""
+	Returns a string version of the given objects, but with their type attached:
+		debug info of 1, "a", 0.5 -> 1 (long), "a" (string), 0.5 (double)
+	This is intended to make debugging easier, not as a reliable method of getting the type of a value.
+	""")
+@Example("broadcast debug info of {list::*}")
+@Since("INSERT VERSION")
+public class ExprDebugInfo extends SimplePropertyExpression<Object, String> {
+
+	static {
+		register(ExprDebugInfo.class, String.class, "debug info[rmation]", "objects");
+	}
+
+	@Override
+	public @Nullable String convert(Object from) {
+		String toString = Classes.toString(from);
+		ClassInfo<?> classInfo = Classes.getSuperClassInfo(from.getClass());
+		String typeName = classInfo.getName().toString();
+		if (from instanceof String)
+			toString = "\"" + toString + "\"";
+		return toString + " (" + typeName + ")";
+	}
+
+	@Override
+	public Class<? extends String> getReturnType() {
+		return String.class;
+	}
+
+	@Override
+	protected String getPropertyName() {
+		return "debug info";
+	}
+
+}