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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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doc/bison.texi
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@@ -10272,8 +10272,8 @@ Print the name of the directory containing skeletons and XSLT.
@item -u
@item --update
Update the grammar file (remove duplicates, update deprecated directives,
etc.). Leaves a backup of the original file with a @code{~} appended. For
instance:
etc.) and exit (i.e., do not generate any of the output files). Leaves a
backup of the original file with a @code{~} appended. For instance:
@example
@group