[04/11] qapi: Make cur_doc local to QAPISchemaParser.__init__()

QAPISchemaParser.cur_doc is used only by .__init__() and its helper
.reject_expr_doc().  Make it local to __init__() and pass it to
.reject_expr_doc() explicitly.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 scripts/qapi.py | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

On Mon, Oct 2, 2017 at 4:13 PM, Markus Armbruster <armbru@redhat.com> wrote:
> QAPISchemaParser.cur_doc is used only by .__init__() and its helper
> .reject_expr_doc().  Make it local to __init__() and pass it to
> .reject_expr_doc() explicitly.
>
> Signed-off-by: Markus Armbruster <armbru@redhat.com>

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>


> ---
>  scripts/qapi.py | 34 +++++++++++++++++-----------------
>  1 file changed, 17 insertions(+), 17 deletions(-)
>
> diff --git a/scripts/qapi.py b/scripts/qapi.py
> index 6c8001e96d..2f2738f562 100644
> --- a/scripts/qapi.py
> +++ b/scripts/qapi.py
> @@ -272,21 +272,21 @@ class QAPISchemaParser(object):
>          self.line_pos = 0
>          self.exprs = []
>          self.docs = []
> -        self.cur_doc = None
>          self.accept()
> +        cur_doc = None
>
>          while self.tok is not None:
>              info = {'file': self.fname, 'line': self.line,
>                      'parent': self.incl_info}
>              if self.tok == '#':
> -                self.reject_expr_doc()
> -                self.cur_doc = self.get_doc(info)
> -                self.docs.append(self.cur_doc)
> +                self.reject_expr_doc(cur_doc)
> +                cur_doc = self.get_doc(info)
> +                self.docs.append(cur_doc)
>                  continue
>
>              expr = self.get_expr(False)
>              if 'include' in expr:
> -                self.reject_expr_doc()
> +                self.reject_expr_doc(cur_doc)
>                  if len(expr) != 1:
>                      raise QAPISemError(info, "Invalid 'include' directive")
>                  include = expr['include']
> @@ -296,7 +296,7 @@ class QAPISchemaParser(object):
>                  self._include(include, info, os.path.dirname(abs_fname),
>                                previously_included)
>              elif "pragma" in expr:
> -                self.reject_expr_doc()
> +                self.reject_expr_doc(cur_doc)
>                  if len(expr) != 1:
>                      raise QAPISemError(info, "Invalid 'pragma' directive")
>                  pragma = expr['pragma']
> @@ -308,22 +308,22 @@ class QAPISchemaParser(object):
>              else:
>                  expr_elem = {'expr': expr,
>                               'info': info}
> -                if self.cur_doc:
> -                    if not self.cur_doc.symbol:
> +                if cur_doc:
> +                    if not cur_doc.symbol:
>                          raise QAPISemError(
> -                            self.cur_doc.info,
> -                            "Expression documentation required")
> -                    expr_elem['doc'] = self.cur_doc
> +                            cur_doc.info, "Expression documentation required")
> +                    expr_elem['doc'] = cur_doc
>                  self.exprs.append(expr_elem)
> -            self.cur_doc = None
> -        self.reject_expr_doc()
> +            cur_doc = None
> +        self.reject_expr_doc(cur_doc)
>
> -    def reject_expr_doc(self):
> -        if self.cur_doc and self.cur_doc.symbol:
> +    @staticmethod
> +    def reject_expr_doc(doc):
> +        if doc and doc.symbol:
>              raise QAPISemError(
> -                self.cur_doc.info,
> +                doc.info,
>                  "Documentation for '%s' is not followed by the definition"
> -                % self.cur_doc.symbol)
> +                % doc.symbol)
>
>      def _include(self, include, info, base_dir, previously_included):
>          incl_abs_fname = os.path.join(base_dir, include)
> --
> 2.13.6
>
>