glapi: move reusable glapi printing code to apiexec.py

This will be used by all new scripts.

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14000>

src/mapi/glapi/gen/api_exec_init.py

@@ -206,23 +206,5 @@ class PrintCode(gl_XML.gl_print_base):
             print('   }')
 
 
-def _parser():
-    """Parse arguments and return namespace."""
-    parser = argparse.ArgumentParser()
-    parser.add_argument('-f',
-                        dest='filename',
-                        default='gl_and_es_API.xml',
-                        help='an xml file describing an API')
-    return parser.parse_args()
-
-
-def main():
-    """Main function."""
-    args = _parser()
-    printer = PrintCode()
-    api = gl_XML.parse_GL_API(args.filename)
-    printer.Print(api)
-
-
 if __name__ == '__main__':
-    main()
+    apiexec.print_glapi_file(PrintCode())

src/mapi/glapi/gen/apiexec.py

@@ -19,6 +19,9 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
+import argparse
+import gl_XML
+
 class exec_info():
     """Information relating GL APIs to a function.
 
@@ -345,3 +348,13 @@ def get_api_condition(f):
         # This function does not exist in any API.
         return None
     return ' || '.join(condition_parts)
+
+def print_glapi_file(printer):
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-f',
+                        dest='filename',
+                        default='gl_and_es_API.xml',
+                        help='an xml file describing an API')
+    args = parser.parse_args()
+    api = gl_XML.parse_GL_API(args.filename)
+    printer.Print(api)