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',
+        )

wakatime/dependencies/haxe.py

@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+"""
+    wakatime.dependencies.haxe
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Parse dependencies from Haxe code.
+
+    :copyright: (c) 2018 Alan Hamlett.
+    :license: BSD, see LICENSE for more details.
+"""
+
+from . import TokenParser
+
+
+class HaxeParser(TokenParser):
+    exclude = [
+        r'^haxe$',
+    ]
+    state = None
+
+    def parse(self):
+        for index, token, content in self.tokens:
+            self._process_token(token, content)
+        return self.dependencies
+
+    def _process_token(self, token, content):
+        if self.partial(token) == 'Namespace':
+            self._process_namespace(token, content)
+        elif self.partial(token) == 'Text':
+            self._process_text(token, content)
+        else:
+            self._process_other(token, content)
+
+    def _process_namespace(self, token, content):
+        if self.state == 'import':
+            self.append(self._format(content))
+            self.state = None
+        else:
+            self.state = content
+
+    def _process_text(self, token, content):
+        pass
+
+    def _process_other(self, token, content):
+        self.state = None
+
+    def _format(self, content):
+        return content.strip()