Re: [Qemu-devel] [PATCH] Adjust qapi-visit for python-2.4.3

[Michael Roth <mdroth@linux.vnet.ibm.com>]

Quoting Richard Henderson (2013-10-31 15:26:01)
> We say we support python 2.4, but python 2.4.3 does not
> support the "expr if test else expr" syntax used here.
> 
> This allows QEMU to compile on RHEL 5.3, the last release for ia64.
> 
> Signed-off-by: Richard Henderson <rth@twiddle.net>

Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>

> ---
>  scripts/qapi-visit.py | 17 ++++++++++++++---
>  1 file changed, 14 insertions(+), 3 deletions(-)
> 
> diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
> index c39e628..65f1a54 100644
> --- a/scripts/qapi-visit.py
> +++ b/scripts/qapi-visit.py
> @@ -20,7 +20,10 @@ import errno
>  def generate_visit_struct_fields(name, field_prefix, fn_prefix, members, base = None):
>      substructs = []
>      ret = ''
> -    full_name = name if not fn_prefix else "%s_%s" % (name, fn_prefix)
> +    if not fn_prefix:
> +        full_name = name
> +    else:
> +        full_name = "%s_%s" % (name, fn_prefix)
> 
>      for argname, argentry, optional, structured in parse_args(members):
>          if structured:
> @@ -97,7 +100,10 @@ if (!error_is_set(errp)) {
>  ''')
>      push_indent()
> 
> -    full_name = name if not field_prefix else "%s_%s" % (field_prefix, name)
> +    if not field_prefix:
> +        full_name = name
> +    else:
> +        full_name = "%s_%s" % (field_prefix, name)
> 
>      if len(field_prefix):
>          ret += mcgen('''
> @@ -283,12 +289,17 @@ void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **
>              name=name)
> 
>      pop_indent()
> +
> +    if not discriminator:
> +        desc_type = "type"
> +    else:
> +        desc_type = discriminator
>      ret += mcgen('''
>          visit_type_%(name)sKind(m, &(*obj)->kind, "%(type)s", &err);
>          if (!err) {
>              switch ((*obj)->kind) {
>  ''',
> -                 name=name, type="type" if not discriminator else discriminator)
> +                 name=name, type=desc_type)
> 
>      for key in members:
>          if not discriminator:
> -- 
> 1.8.3.1