Make builder template factories use a subscope

blueprintcompiler/language/gtk_list_item_factory.py

@@ -1,6 +1,8 @@
 from .gobject_object import ObjectContent, validate_parent_type
 from ..parse_tree import Keyword
 from ..ast_utils import AstNode, validate
+from .common import *
+from .contexts import ScopeCtx
 
 
 class ListItemFactory(AstNode):
@@ -19,6 +21,14 @@ class ListItemFactory(AstNode):
             "sub-templates",
         )
 
+    @context(ScopeCtx)
+    def scope_ctx(self) -> ScopeCtx:
+        return ScopeCtx(node=self)
+
+    @validate()
+    def unique_ids(self):
+        self.context[ScopeCtx].validate_unique_ids()
+
     @property
     def content(self) -> ObjectContent:
         return self.children[ObjectContent][0]

tests/sample_errors/subscope.blp

@@ -0,0 +1,9 @@
+using Gtk 4.0;
+
+BuilderListItemFactory {
+  template {
+    child: label;
+  }
+}
+
+Label label {}

tests/sample_errors/subscope.err

@@ -0,0 +1 @@
+5,12,5,Could not find object with ID label

tests/samples/subscope.blp

@@ -0,0 +1,9 @@
+using Gtk 4.0;
+
+Gtk.BuilderListItemFactory {
+  template {
+    child: Gtk.Label label {};
+  }
+}
+
+Gtk.Label label {}

tests/samples/subscope.ui

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk" version="4.0"/>
+  <object class="GtkBuilderListItemFactory">
+    <property name="bytes"><![CDATA[<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <template class="GtkListItem">
+    <property name="child">
+      <object class="GtkLabel" id="label"></object>
+    </property>
+  </template>
+</interface>]]></property>
+  </object>
+  <object class="GtkLabel" id="label"></object>
+</interface>

tests/test_samples.py

@@ -184,6 +184,7 @@ class TestSamples(unittest.TestCase):
         self.assert_sample("string_list")
         self.assert_sample("strings")
         self.assert_sample("style")
+        self.assert_sample("subscope")
         self.assert_sample(
             "template", skip_run=True
         )  # The template class doesn't exist
@@ -258,6 +259,7 @@ class TestSamples(unittest.TestCase):
         self.assert_sample_error("size_group_obj_dne")
         self.assert_sample_error("strv")
         self.assert_sample_error("styles_in_non_widget")
+        self.assert_sample_error("subscope")
         self.assert_sample_error("two_templates")
         self.assert_sample_error("uint")
         self.assert_sample_error("using_invalid_namespace")