Implement HTTPie Nested JSON v2

httpie/core.py

@@ -11,6 +11,7 @@ from requests import __version__ as requests_version
 
 from . import __version__ as httpie_version
 from .cli.constants import OUT_REQ_BODY
+from .cli.nested_json import HTTPieSyntaxError
 from .client import collect_messages
 from .context import Environment
 from .downloads import Downloader
@@ -69,6 +70,11 @@ def raw_main(
             args=args,
             env=env,
         )
+    except HTTPieSyntaxError as exc:
+        env.stderr.write(str(exc) + "\n")
+        if include_traceback:
+            raise
+        exit_status = ExitStatus.ERROR
     except KeyboardInterrupt:
         env.stderr.write('\n')
         if include_traceback: