Add Groovy call operator to log (#323)

* allow groovy call operator for log

* add example in experiments

* note not to use this method in java code

Author: WaitingIdly

examples/postInit/custom/experiments.groovy

@@ -3,13 +3,13 @@
 
 def ore_iron = ore('ingotIron')
 def item_iron = item('minecraft:iron_ingot')
-log.info(item_iron in ore_iron) // true
-log.info(item_iron in item_iron) // true
-log.info(ore_iron in item_iron) // false
-log.info(item_iron << ore_iron) // true
-log.info((item_iron * 3) << ore_iron) // false
-log.info(ore_iron >> item_iron) // true
-log.info(ore_iron >> (item_iron * 3)) // false
+log(item_iron in ore_iron) // true
+log(item_iron in item_iron) // true
+log(ore_iron in item_iron) // false
+log(item_iron << ore_iron) // true
+log((item_iron * 3) << ore_iron) // false
+log(ore_iron >> item_iron) // true
+log(ore_iron >> (item_iron * 3)) // false
 
 file('config/').eachFile { file ->
     println file.path

src/main/java/com/cleanroommc/groovyscript/api/GroovyLog.java

@@ -55,6 +55,28 @@ static Msg msg(String msg, Object... args) {
         return GroovyLogImpl.msg(msg, args);
     }
 
+    /**
+     * Allows Groovy to use {@code log('text')} to print an info message by using Groovy's call operator overloading.
+     * <p>
+     * Should be avoided in Java code.
+     *
+     * @see #info(String, Object...)
+     */
+    default void call(String msg, Object... args) {
+        info(msg, args);
+    }
+
+    /**
+     * Allows Groovy to use {@code log('text')} to print an info message by using Groovy's call operator overloading.
+     * <p>
+     * Should be avoided in Java code.
+     *
+     * @see #info(Object)
+     */
+    default void call(Object obj) {
+        info(obj);
+    }
+
     /**
      * Determines whether debug messages should be ignored.
      *