Added named constructors to Element to construct common elements.

tools/dom/scripts/systemhtml.py

Index: tools/dom/scripts/systemhtml.py
diff --git a/tools/dom/scripts/systemhtml.py b/tools/dom/scripts/systemhtml.py
index 90d2610856e7cd158934610b771c677fd00cee79..f4ca952604084d69420660c013ef40216685c938 100644
--- a/tools/dom/scripts/systemhtml.py
+++ b/tools/dom/scripts/systemhtml.py
@@ -325,6 +325,43 @@ def ElementConstructorInfos(typename, element_constructors,
   return infos
 
 # ------------------------------------------------------------------------------
+
+_html_element_tags = [
+    # TODO(amouravski): add a custom factory constructor for h1..h6.
+    # TODO(amouravski): add a custom factory constructor for input
+    'a',
+    'article',
+    'aside',
+    'audio',
+    'br',
+    'canvas',
+    'div',
+    'footer',
+    'header',
+    'hr',
+    'iframe',
+    'img',
+    'li',
+    'nav',
+    'ol',
+    'option',
+    'p',
+    'pre',
+    'section',
+    'select',
+    'span',
+    'svg',
+    'table',
+    'td',
+    'textarea',
+    'th',
+    'tr',
+    'ul',
+    'video',
+]
+
+
+# ------------------------------------------------------------------------------
 def SvgSupportStr(tagName):
   return 'Svg%s' % ElemSupportStr(tagName)
 
@@ -543,6 +580,22 @@ class HtmlDartInterfaceGenerator(object):
     if self._renamer.ShouldSuppressInterface(self._interface):
       class_modifiers = 'abstract '
 
+#    additional_methods = 'asdasdas'

[blois, 2013/06/28 00:28:11]

delete.

[Andrei Mouravski, 2013/06/28 19:19:21]

Done.

+#    if self._interface.id == 'HTMLElement':
+#      additional_methods = ''.join(_ElementTagConstructors())
+
+    additional_methods = []
+    if self._interface.id in 'HTMLElement':
+      for tag in _html_element_tags:
+        method = (
+            "\n"
+            "  /// Creates a new `<{0}>` element.\n"

[blois, 2013/06/28 00:28:11]

Just put this into the template file.

[Andrei Mouravski, 2013/06/28 19:19:21]

I don't understand. Do you mean inline all of the static constructors? I mean,
there's a bunch of them.

Let me know if this is what you meant.

+            "  ///\n"
+            "  /// This is identical to calling `new Element.tag({0})`.\n"
+            "  factory Element.{0}() => new Element.tag({0});\n").format(tag)
+        additional_methods.append(method)
+    additional_str = ''.join(additional_methods)
+
     self._implementation_members_emitter = implementation_emitter.Emit(
         self._backend.ImplementationTemplate(),
         LIBRARYNAME='dart.dom.%s' % self._library_name,
@@ -553,7 +606,8 @@ class HtmlDartInterfaceGenerator(object):
         IMPLEMENTS=implements_str,
         MIXINS=mixins_str,
         DOMNAME=self._interface.doc_js_name,
-        NATIVESPEC=self._backend.NativeSpec())
+        NATIVESPEC=self._backend.NativeSpec(),
+        ADDITIONAL_METHODS=additional_str)
     self._backend.StartInterface(self._implementation_members_emitter)
 
     self._backend.EmitHelpers(base_class)