1 files changed, 42 insertions, 0 deletions
diff --git a/accessible/base/RoleHGen.py b/accessible/base/RoleHGen.py
new file mode 100644
index 0000000000..374d2f66a9
--- /dev/null
+++ b/accessible/base/RoleHGen.py
@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import re
+
+
+def generate(roleH, roleIdl):
+    input = open(roleIdl, "rt").read()
+    roles = re.findall(r"const unsigned long ROLE_([A-Z_]+) = (\d+);", input)
+
+    roleH.write(
+        "/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n"
+        "/* Roles are defined in accessible/interfaces/nsIAccessibleRole.idl */\n\n"
+        "#ifndef _role_h_\n"
+        "#define _role_h_\n\n"
+        "namespace mozilla {\n"
+        "namespace a11y {\n"
+        "namespace roles {\n\n"
+        "enum Role {\n"
+    )
+    for name, num in roles:
+        roleH.write(f"  {name} = {num},\n")
+    lastName = roles[-1][0]
+    roleH.write(
+        f"  LAST_ROLE = {lastName}\n"
+        "};\n\n"
+        "}  // namespace roles\n\n"
+        "typedef enum mozilla::a11y::roles::Role role;\n\n"
+        "}  // namespace a11y\n"
+        "}  // namespace mozilla\n\n"
+        "#endif\n"
+    )
+
+
+# For debugging
+if __name__ == "__main__":
+    import sys
+
+    generate(sys.stdout, "accessible/interfaces/nsIAccessibleRole.idl")