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--update: when used, do not generate the output files

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It is inconvenient that we also generate the output files when we
update the grammar file, and it's somewhat unexpected.  Let's not do
that.

* src/main.c (main): Skip generation when --update is passed.
* src/getargs.c (usage): Update the help message.
* doc/bison.texi (Bison Options): Likewise.
* tests/input.at: Check that we don't generate the output.
This commit is contained in:
Akim Demaille
2019-01-21 19:37:10 +01:00
parent 36cae8e752
commit 5ec9c99662
4 changed files with 42 additions and 31 deletions
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56
src/main.c
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@@ -155,31 +155,34 @@ main (int argc, char *argv[])
print_precedence_warnings ();
/* Output file names. */
compute_output_file_names ();
/* Output the detailed report on the grammar. */
if (report_flag)
if (!update_flag)
{
timevar_push (tv_report);
print_results ();
timevar_pop (tv_report);
}
/* Output file names. */
compute_output_file_names ();
/* Output the graph. */
if (graph_flag)
{
timevar_push (tv_graph);
print_graph ();
timevar_pop (tv_graph);
}
/* Output the detailed report on the grammar. */
if (report_flag)
{
timevar_push (tv_report);
print_results ();
timevar_pop (tv_report);
}
/* Output xml. */
if (xml_flag)
{
timevar_push (tv_xml);
print_xml ();
timevar_pop (tv_xml);
/* Output the graph. */
if (graph_flag)
{
timevar_push (tv_graph);
print_graph ();
timevar_pop (tv_graph);
}
/* Output xml. */
if (xml_flag)
{
timevar_push (tv_xml);
print_xml ();
timevar_pop (tv_xml);
}
}
/* Stop if there were errors, to avoid trashing previous output
@@ -193,9 +196,12 @@ main (int argc, char *argv[])
timevar_pop (tv_free);
/* Output the tables and the parser to ftable. In file output. */
timevar_push (tv_parser);
output ();
timevar_pop (tv_parser);
if (!update_flag)
{
timevar_push (tv_parser);
output ();
timevar_pop (tv_parser);
}
timevar_push (tv_free);
nullable_free ();