add first work of BMap binding

CodeGen/BMapBindings/ExtractBMapFctDecl.py

@@ -0,0 +1,16 @@
+import os, re
+
+self_path: str = os.path.dirname(__file__)
+src_file: str = os.path.join(self_path, '../../BMap/BMExports.hpp')
+dst_file: str = os.path.join(self_path, 'dest/BMExports.hpp')
+
+with open(src_file, 'r', encoding='utf-8') as fsrc:
+    # read full text
+    fulltext: str = fsrc.read()
+    # do findall and write into file
+    with open(dst_file, 'w', encoding='utf-8') as fdst:
+        for item in re.findall('^LIBCMO_EXPORT[^;]+;', fulltext, re.MULTILINE):
+            fdst.write(item)
+            fdst.write('\n')
+
+print('DONE')