From 294170c1ddda454f2d8de65a4a26346fb2a7f715 Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Thu, 27 Aug 2020 15:29:13 +0100 Subject: [PATCH] tracetool: add out_lineno and out_next_lineno to out() Make the output file line number and next line number available to out(). A later patch will use this to improve error messages. Signed-off-by: Stefan Hajnoczi Reviewed-by: Peter Maydell Message-Id: <20200827142915.108730-3-stefanha@redhat.com> --- scripts/tracetool/__init__.py | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py index a6013389a0..da5004ea45 100644 --- a/scripts/tracetool/__init__.py +++ b/scripts/tracetool/__init__.py @@ -31,6 +31,7 @@ def error(*lines): sys.exit(1) +out_lineno = 1 out_filename = '' out_fobj = sys.stdout @@ -45,12 +46,19 @@ def out(*lines, **kwargs): You can use kwargs as a shorthand for mapping variables when formatting all the strings in lines. - The 'out_filename' kwarg is automatically added with the output filename. + The 'out_lineno' kwarg is automatically added to reflect the current output + file line number. The 'out_next_lineno' kwarg is also automatically added + with the next output line number. The 'out_filename' kwarg is automatically + added with the output filename. """ + global out_lineno output = [] for l in lines: + kwargs['out_lineno'] = out_lineno + kwargs['out_next_lineno'] = out_lineno + 1 kwargs['out_filename'] = out_filename output.append(l % kwargs) + out_lineno += 1 out_fobj.writelines("\n".join(output) + "\n")