Support for Haxe dependencies

tests/samples/codefiles/haxe.hx

@@ -0,0 +1,18 @@
+import alpha.ds.StringMap;
+import bravo.macro.*;
+import Math.random;
+#if js
+    js.Browser.alert("Hello");
+#elseif sys
+    Sys.println("Hello");
+#end
+import charlie.fromCharCode in f;
+import delta.something;
+import delta.another.thing;
+
+class Main {
+  static public function main() {
+    // instead of: new haxe.ds.StringMap();
+    new StringMap();
+  }
+}

tests/test_dependencies.py

@@ -462,3 +462,17 @@ class DependenciesTestCase(TestCase):
             expected_lines=24,
             entity='kotlin.kt',
         )
+
+    def test_haxe_dependencies_detected(self):
+        self.shared(
+            expected_dependencies=[
+                'alpha',
+                'bravo',
+                'Math',
+                'charlie',
+                'delta',
+            ],
+            expected_language='Haxe',
+            expected_lines=18,
+            entity='haxe.hx',
+        )