qapi: Fix file name in error messages for included files

We print the name as it appears in the include expression.  Tools
processing error messages want it relative to the working directory.
Make it so.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/scripts/qapi.py b/scripts/qapi.py
index c2eb12b..716e348 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -101,14 +101,13 @@ class QAPIExprError(Exception):
 
 class QAPISchema:
 
-    def __init__(self, fp, fname = None, include_hist = [],
+    def __init__(self, fp, include_hist = [],
                  previously_included = [], incl_info = None):
         """ include_hist is a stack used to detect inclusion cycles
             previously_included is a global state used to avoid multiple
                                 inclusions of the same file"""
         abs_fname = os.path.abspath(fp.name)
-        if fname is None:
-            fname = fp.name
+        fname = fp.name
         self.fname = fname
         self.include_hist = include_hist + [(fname, abs_fname)]
         previously_included.append(abs_fname)
@@ -148,7 +147,7 @@ class QAPISchema:
                 except IOError, e:
                     raise QAPIExprError(expr_info,
                                         '%s: %s' % (e.strerror, include))
-                exprs_include = QAPISchema(fobj, include, self.include_hist,
+                exprs_include = QAPISchema(fobj, self.include_hist,
                                            previously_included, expr_info)
                 self.exprs.extend(exprs_include.exprs)
             else: