On Wed, 07 Feb 2018, Jonathan Corbet <cor...@lwn.net> wrote:
> STATE_FIELD describes a parser state that can handle any part of a
> kerneldoc comment body; rename it to STATE_BODY to reflect that.
>
> The $in_purpose variable was a hidden substate of STATE_FIELD; get rid of
> it and make a proper state (STATE_BODY_MAYBE) instead. This will make the
> subsequent process_file() splitup easier.
>
> Signed-off-by: Jonathan Corbet <cor...@lwn.net>
I really wanted to avoid leaving behind any evidence that I've ever
reviewed perl, but my sympathy for you updating the script won. But just
barely.
Reviewed-by: Jani Nikula <jani.nik...@intel.com>
> ---
> scripts/kernel-doc | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/scripts/kernel-doc b/scripts/kernel-doc
> index 5aa4ce211fc6..ad30c52f91ef 100755
> --- a/scripts/kernel-doc
> +++ b/scripts/kernel-doc
> @@ -328,10 +328,11 @@ my $lineprefix="";
> use constant {
> STATE_NORMAL => 0, # normal code
> STATE_NAME => 1, # looking for function name
> - STATE_FIELD => 2, # scanning field start
> - STATE_PROTO => 3, # scanning prototype
> - STATE_DOCBLOCK => 4, # documentation block
> - STATE_INLINE => 5, # gathering documentation outside main block
> + STATE_BODY_MAYBE => 2, # body - or maybe more description
> + STATE_BODY => 3, # the body of the comment
> + STATE_PROTO => 4, # scanning prototype
> + STATE_DOCBLOCK => 5, # documentation block
> + STATE_INLINE => 6, # gathering documentation outside main block
> };
> my $state;
> my $in_doc_sect;
> @@ -1784,7 +1785,6 @@ sub process_file($) {
> my $identifier;
> my $func;
> my $descr;
> - my $in_purpose = 0;
> my $initial_section_counter = $section_counter;
> my ($orig_file) = @_;
> my $leading_space;
> @@ -1830,7 +1830,7 @@ sub process_file($) {
> $identifier = $1;
> }
>
> - $state = STATE_FIELD;
> + $state = STATE_BODY;
> # if there's no @param blocks need to set up default section
> # here
> $contents = "";
> @@ -1843,7 +1843,7 @@ sub process_file($) {
> $descr =~ s/\s*$//;
> $descr =~ s/\s+/ /g;
> $declaration_purpose = $descr;
> - $in_purpose = 1;
> + $state = STATE_BODY_MAYBE;
> } else {
> $declaration_purpose = "";
> }
> @@ -1875,7 +1875,7 @@ sub process_file($) {
> ++$warnings;
> $state = STATE_NORMAL;
> }
> - } elsif ($state == STATE_FIELD) { # look for head: lines, and
> include content
> + } elsif ($state == STATE_BODY || $state == STATE_BODY_MAYBE) {
> if (/$doc_sect/i) { # case insensitive for supported section names
> $newsection = $1;
> $newcontents = $2;
> @@ -1902,7 +1902,7 @@ sub process_file($) {
> }
>
> $in_doc_sect = 1;
> - $in_purpose = 0;
> + $state = STATE_BODY;
> $contents = $newcontents;
> $new_start_line = $.;
> while (substr($contents, 0, 1) eq " ") {
> @@ -1941,8 +1941,8 @@ sub process_file($) {
> } else {
> $contents .= "\n";
> }
> - $in_purpose = 0;
> - } elsif ($in_purpose == 1) {
> + $state = STATE_BODY;
> + } elsif ($state == STATE_BODY_MAYBE) {
> # Continued declaration purpose
> chomp($declaration_purpose);
> $declaration_purpose .= " " . $1;
--
Jani Nikula, Intel Open Source Technology Center
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