refactor: change bmap binding generator name, layout for future refactor

Assets/CodeGen/BMapBinder/ExpFctsExtractor/main.py

@@ -0,0 +1,24 @@
+import os, re
+
+def main():
+    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:
+            # We should not only match BMAP_EXPORT,
+            # because it may match the defination of BMAP_EXPORT.
+            # So we add a bool at head because all BMap functions return bool.
+            for item in re.findall('^BMAP_EXPORT[ \\t]+bool[ \\t]+[^;]+;', fulltext, re.MULTILINE):
+                fdst.write(item)
+                fdst.write('\n')
+
+    print('DONE')
+
+
+if __name__ == "__main__":
+    main()