Implement Dictionary#get and Array#get

fixes #9796

doc/20-library-reference.md

@@ -554,6 +554,14 @@ Signature:
 Sets the element at the zero-based index to the specified value. The `index` must refer to an element
 which already exists in the array.
 
+### <a id="array-get"></a> Array#get
+
+Signature:
+
+    function get(index);
+
+Retrieves the element at the specified zero-based index.
+
 ### <a id="array-sort"></a> Array#sort
 
 Signature:
@@ -616,6 +624,15 @@ Signature:
 
 Creates or updates an item with the specified `key` and `value`.
 
+### <a id="dictionary-get"></a> Dictionary#get
+
+Signature:
+
+    function get(key);
+
+Retrieves the value for the specified `key`. Returns `null` if they `key` does not exist
+in the dictionary.
+
 ## <a id="scriptfunction-type"></a> Function type
 
 ### <a id="scriptfunction-call"></a> Function#call

lib/base/array-script.cpp

@@ -40,6 +40,13 @@ static void ArraySet(int index, const Value& value)
 	self->Set(index, value);
 }
 
+static Value ArrayGet(int index)
+{
+	ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
+	Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
+	return self->Get(index);
+}
+
 static void ArrayAdd(const Value& value)
 {
 	ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
@@ -131,6 +138,7 @@ Object::Ptr Array::GetPrototype(void)
 		prototype = new Dictionary();
 		prototype->Set("len", new Function(WrapFunction(ArrayLen)));
 		prototype->Set("set", new Function(WrapFunction(ArraySet)));
+		prototype->Set("get", new Function(WrapFunction(ArrayGet)));
 		prototype->Set("add", new Function(WrapFunction(ArrayAdd)));
 		prototype->Set("remove", new Function(WrapFunction(ArrayRemove)));
 		prototype->Set("contains", new Function(WrapFunction(ArrayContains)));

lib/base/dictionary-script.cpp

@@ -38,6 +38,13 @@ static void DictionarySet(const String& key, const Value& value)
 	self->Set(key, value);
 }
 
+static Value DictionaryGet(const String& key)
+{
+	ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
+	Dictionary::Ptr self = static_cast<Dictionary::Ptr>(vframe->Self);
+	return self->Get(key);
+}
+
 static void DictionaryRemove(const String& key)
 {
 	ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
@@ -67,6 +74,7 @@ Object::Ptr Dictionary::GetPrototype(void)
 		prototype = new Dictionary();
 		prototype->Set("len", new Function(WrapFunction(DictionaryLen)));
 		prototype->Set("set", new Function(WrapFunction(DictionarySet)));
+		prototype->Set("get", new Function(WrapFunction(DictionaryGet)));
 		prototype->Set("remove", new Function(WrapFunction(DictionaryRemove)));
 		prototype->Set("contains", new Function(WrapFunction(DictionaryContains)));
 		prototype->Set("clone", new Function(WrapFunction(DictionaryClone)));