Upstream version 5.34.104.0

[platform/framework/web/crosswalk.git] / src / mojo / public / bindings / mojom_bindings_generator.py

diff --git a/src/mojo/public/bindings/mojom_bindings_generator.py b/src/mojo/public/bindings/mojom_bindings_generator.py
index b40ad11..87b055d 100755 (executable)
--- a/src/mojo/public/bindings/mojom_bindings_generator.py
+++ b/src/mojo/public/bindings/mojom_bindings_generator.py
@@ -44,6 +44,38 @@ def LoadGenerators(generators_string):
     generators.append(generator_module)
   return generators
 
+def ProcessFile(args, generator_modules, filename, processed_files):
+  # Ensure we only visit each file once.
+  if filename in processed_files:
+    if processed_files[filename] is None:
+      raise Exception("Circular dependency: " + filename)
+    return processed_files[filename]
+  processed_files[filename] = None
+
+  dirname, name = os.path.split(filename)
+  name = os.path.splitext(name)[0]
+  # TODO(darin): There's clearly too many layers of translation here!  We can
+  # at least avoid generating the serialized Mojom IR.
+  tree = mojo_parser.Parse(filename)
+  mojom = mojo_translate.Translate(tree, name)
+  if args.debug_print_intermediate:
+    pprint.PrettyPrinter().pprint(mojom)
+
+  # Process all our imports first and collect the module object for each.
+  # We use these to generate proper type info.
+  for import_data in mojom['imports']:
+    import_filename = os.path.join(dirname, import_data['filename'])
+    import_data['module'] = ProcessFile(
+        args, generator_modules, import_filename, processed_files)
+
+  module = mojom_data.OrderedModuleFromData(mojom)
+  for generator_module in generator_modules:
+    generator = generator_module.Generator(module, args.include_dir,
+                                           args.output_dir)
+    generator.GenerateFiles()
+
+  processed_files[filename] = module
+  return module
 
 def Main():
   parser = argparse.ArgumentParser(
@@ -67,18 +99,7 @@ def Main():
     os.makedirs(args.output_dir)
 
   for filename in args.filename:
-    name = os.path.splitext(os.path.basename(filename))[0]
-    # TODO(darin): There's clearly too many layers of translation here!  We can
-    # at least avoid generating the serialized Mojom IR.
-    tree = mojo_parser.Parse(filename)
-    mojom = mojo_translate.Translate(tree, name)
-    if args.debug_print_intermediate:
-      pprint.PrettyPrinter().pprint(mojom)
-    module = mojom_data.OrderedModuleFromData(mojom)
-    for generator_module in generator_modules:
-      generator = generator_module.Generator(module, args.include_dir,
-                                             args.output_dir)
-      generator.GenerateFiles()
+    ProcessFile(args, generator_modules, filename, {})
 
   return 0