3 files changed, 80 insertions, 0 deletions
diff --git a/modules/gdnative/gdnative/variant.cpp b/modules/gdnative/gdnative/variant.cpp
index 423f3312e1..fd6babfc3a 100644
--- a/modules/gdnative/gdnative/variant.cpp
+++ b/modules/gdnative/gdnative/variant.cpp
@@ -489,6 +489,24 @@ void GDAPI godot_variant_destroy(godot_variant *p_self) {
 	self->~Variant();
 }
 
+// GDNative core 1.1
+
+godot_string GDAPI godot_variant_get_operator_name(godot_variant_operator p_op) {
+	Variant::Operator op = (Variant::Operator)p_op;
+	godot_string raw_dest;
+	String *dest = (String *)&raw_dest;
+	memnew_placement(dest, String(Variant::get_operator_name(op))); // operator = is overloaded by String
+	return raw_dest;
+}
+
+void GDAPI godot_variant_evaluate(godot_variant_operator p_op, const godot_variant *p_a, const godot_variant *p_b, godot_variant *r_ret, godot_bool *r_valid) {
+	Variant::Operator op = (Variant::Operator)p_op;
+	const Variant *a = (const Variant *)p_a;
+	const Variant *b = (const Variant *)p_b;
+	Variant *ret = (Variant *)r_ret;
+	Variant::evaluate(op, a, b, *ret, *r_valid);
+}
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/modules/gdnative/gdnative_api.json b/modules/gdnative/gdnative_api.json
index dce3d7e96b..16a34a9a33 100644
--- a/modules/gdnative/gdnative_api.json
+++ b/modules/gdnative/gdnative_api.json
@@ -94,6 +94,24 @@
             ["godot_transform *", "r_dest"],
             ["const godot_quat *", "p_quat"]
           ]
+        },
+        {
+          "name": "godot_variant_get_operator_name",
+          "return_type": "godot_string",
+          "arguments": [
+            ["godot_variant_operator", "p_op"]
+          ]
+        },
+        {
+          "name": "godot_variant_evaluate",
+          "return_type": "void",
+          "arguments": [
+            ["godot_variant_operator", "p_op"],
+            ["const godot_variant *", "p_a"],
+            ["const godot_variant *", "p_b"],
+            ["godot_variant *", "r_ret"],
+            ["godot_bool *", "r_valid"]
+          ]
         }
       ]
     },
diff --git a/modules/gdnative/include/gdnative/variant.h b/modules/gdnative/include/gdnative/variant.h
index 6779dc4092..5e71aa9f11 100644
--- a/modules/gdnative/include/gdnative/variant.h
+++ b/modules/gdnative/include/gdnative/variant.h
@@ -100,6 +100,45 @@ typedef struct godot_variant_call_error {
 	godot_variant_type expected;
 } godot_variant_call_error;
 
+typedef enum godot_variant_operator {
+	// comparison
+	GODOT_VARIANT_OP_EQUAL,
+	GODOT_VARIANT_OP_NOT_EQUAL,
+	GODOT_VARIANT_OP_LESS,
+	GODOT_VARIANT_OP_LESS_EQUAL,
+	GODOT_VARIANT_OP_GREATER,
+	GODOT_VARIANT_OP_GREATER_EQUAL,
+
+	// mathematic
+	GODOT_VARIANT_OP_ADD,
+	GODOT_VARIANT_OP_SUBTRACT,
+	GODOT_VARIANT_OP_MULTIPLY,
+	GODOT_VARIANT_OP_DIVIDE,
+	GODOT_VARIANT_OP_NEGATE,
+	GODOT_VARIANT_OP_POSITIVE,
+	GODOT_VARIANT_OP_MODULE,
+	GODOT_VARIANT_OP_STRING_CONCAT,
+
+	// bitwise
+	GODOT_VARIANT_OP_SHIFT_LEFT,
+	GODOT_VARIANT_OP_SHIFT_RIGHT,
+	GODOT_VARIANT_OP_BIT_AND,
+	GODOT_VARIANT_OP_BIT_OR,
+	GODOT_VARIANT_OP_BIT_XOR,
+	GODOT_VARIANT_OP_BIT_NEGATE,
+
+	// logic
+	GODOT_VARIANT_OP_AND,
+	GODOT_VARIANT_OP_OR,
+	GODOT_VARIANT_OP_XOR,
+	GODOT_VARIANT_OP_NOT,
+
+	// containment
+	GODOT_VARIANT_OP_IN,
+
+	GODOT_VARIANT_OP_MAX,
+} godot_variant_operator;
+
 // reduce extern "C" nesting for VS2013
 #ifdef __cplusplus
 }
@@ -204,6 +243,11 @@ godot_bool GDAPI godot_variant_booleanize(const godot_variant *p_self);
 
 void GDAPI godot_variant_destroy(godot_variant *p_self);
 
+// GDNative core 1.1
+
+godot_string GDAPI godot_variant_get_operator_name(godot_variant_operator p_op);
+void GDAPI godot_variant_evaluate(godot_variant_operator p_op, const godot_variant *p_a, const godot_variant *p_b, godot_variant *r_ret, godot_bool *r_valid);
+
 #ifdef __cplusplus
 }
 #endif