On 9/13/19 3:13 PM, Markus Armbruster wrote:
> Since the previous commit restricted strings to printable ASCII,
> \uXXXX's only use is obfuscation.  Drop it.
> 
> This leaves \\, \/, \', and \".  Since QAPI schema strings are all
> names, and names are restricted to ASCII letters, digits, hyphen, and
> underscore, none of them is useful.
> 
> The latter three have no test coverage.  Drop them.
> 
> Keep \\ to avoid (more) gratuitous incompatibility with JSON.
> 
> Signed-off-by: Markus Armbruster <arm...@redhat.com>
> Reviewed-by: Eric Blake <ebl...@redhat.com>
> ---

> +++ b/scripts/qapi/common.py
> @@ -524,29 +524,9 @@ class QAPISchemaParser(object):
>                      if ch == '\n':
>                          raise QAPIParseError(self, 'Missing terminating 
> "\'"')
>                      if esc:

> -                        elif ch not in '\\/\'"':
> +                        # Note: we recognize only \\ because we have
> +                        # no use for funny characters in strings
> +                        if ch != '\\':
>                              raise QAPIParseError(self,
>                                                   "Unknown escape \\%s" % ch)

Thanks; that comment makes it better than it was in v2.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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