tokenizer: Fix multiline comment regex

gtkblueprinttool/tokenizer.py

@@ -57,7 +57,7 @@ _tokens = [
     (TokenType.CLOSE_BLOCK,     r"\}"),
     (TokenType.STMT_END,        r";"),
     (TokenType.WHITESPACE,      r"\s+"),
-    (TokenType.COMMENT,         r"/\*[\s\S]*\*/"),
+    (TokenType.COMMENT,         r"\/\*[\s\S]*?\*\/"),
     (TokenType.COMMENT,         r"\/\/[^\n]*"),
     (TokenType.OPEN_BRACKET,    r"\["),
     (TokenType.CLOSE_BRACKET,   r"\]"),

tests/samples/comments.blp

@@ -0,0 +1,15 @@
+using Gtk 4.0;
+using GObject 2.0;
+
+GObject.Object {
+  /* multiline-style comment 1 */
+}
+
+Gtk.Label {
+  /* Translators: multiline-style comment 2 */
+  label: _("Test"); // single-line comment
+  /**/ visible: false; /**/
+}
+
+/* Note: The output XML does not need to contain translator comments. The
+   translation tooling reads blueprint files, not the generated files. */

tests/samples/comments.ui

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk" version="4.0"/>
+  <object class="GObject"></object>
+  <object class="GtkLabel">
+    <property name="label" translatable="true">Test</property>
+    <property name="visible">false</property>
+  </object>
+</interface>

tests/test_samples.py

@@ -96,6 +96,7 @@ class TestSamples(unittest.TestCase):
         self.assert_sample("binding")
         self.assert_sample("child_type")
         self.assert_sample("combo_box_text")
+        self.assert_sample("comments")
         self.assert_sample("enum")
         self.assert_sample("file_filter")
         self.assert_sample("flags")