Added command line tool and removed lib folder from gitignore.

util/python_module/sppcmd/ccjson.py

@@ -0,0 +1,18 @@
+
+import argparse
+from .common import exec_spp, get_config_cache, require_project_file
+
+def _cmd(args: argparse.Namespace) -> None:
+    require_project_file()
+
+    build_type = args.build_type
+    if build_type == 'auto':
+        cache = get_config_cache()
+        build_type = cache.get('build_type', 'debug')
+
+    exec_spp((f'--build_type={build_type}', '--unity=disable', 'compile_commands.json'))
+
+def make_ccjson_parser(subparsers) -> None:
+    parser : argparse.ArgumentParser = subparsers.add_parser('ccjson', help='Generate compile_commands.json')
+    parser.set_defaults(handler=_cmd)
+    parser.add_argument('--build_type', choices=('auto', 'debug', 'release_debug', 'release', 'profile'), default='auto')