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Message-ID: <20180208022953.GB3304@eros>
Date: Thu, 8 Feb 2018 13:29:53 +1100
From: "Tobin C. Harding" <me@...in.cc>
To: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
mchehab@...nel.org
Subject: Re: [PATCH 7/8] docs: kernel-doc: Finish moving STATE_* code out of
process_file()
On Wed, Feb 07, 2018 at 10:26:23AM -0700, Jonathan Corbet wrote:
> Move STATE_INLINE and STATE_DOCBLOCK code out of process_file(), which now
> actually fits on a single screen. Delete an unused variable and add a
> couple of comments while I'm at it.
>
> Signed-off-by: Jonathan Corbet <corbet@....net>
> ---
> scripts/kernel-doc | 145 ++++++++++++++++++++++++++++++-----------------------
> 1 file changed, 83 insertions(+), 62 deletions(-)
>
> diff --git a/scripts/kernel-doc b/scripts/kernel-doc
> index 2deddb876156..c6c9370a1e49 100755
> --- a/scripts/kernel-doc
> +++ b/scripts/kernel-doc
> @@ -1990,10 +1990,86 @@ sub process_proto($$) {
> }
> }
>
> +#
> +# STATE_DOCBLOCK: within a DOC: block.
> +#
> +sub process_docblock($$) {
> + my $file = shift;
> +
> + if (/$doc_end/)
> + {
> + dump_doc_section($file, $section, $contents);
> + $section = $section_default;
> + $contents = "";
> + $function = "";
> + %parameterdescs = ();
> + %parametertypes = ();
> + @parameterlist = ();
> + %sections = ();
> + @sectionlist = ();
> + $prototype = "";
> + $state = STATE_NORMAL;
> + }
> + elsif (/$doc_content/)
> + {
> + if ( $1 eq "" )
> + {
> + $contents .= $blankline;
> + }
> + else
> + {
> + $contents .= $1 . "\n";
> + }
> + }
> +}
It doesn't appear to be introduced by you but the brace positions are
non-uniform in this patch.
if
{
...
}
else
{
...
}
instead of
if {
...
} else {
eee
}
Hope this helps,
Tobin.
(rest of patch left intentionally for reference)
> +
> +#
> +# STATE_INLINE: docbook comments within a prototype.
> +#
> +sub process_inline($$) {
> + my $file = shift;
> +
> + # First line (state 1) needs to be a @parameter
> + if ($inline_doc_state == STATE_INLINE_NAME && /$doc_inline_sect/o) {
> + $section = $1;
> + $contents = $2;
> + $new_start_line = $.;
> + if ($contents ne "") {
> + while (substr($contents, 0, 1) eq " ") {
> + $contents = substr($contents, 1);
> + }
> + $contents .= "\n";
> + }
> + $inline_doc_state = STATE_INLINE_TEXT;
> + # Documentation block end */
> + } elsif (/$doc_inline_end/) {
> + if (($contents ne "") && ($contents ne "\n")) {
> + dump_section($file, $section, $contents);
> + $section = $section_default;
> + $contents = "";
> + }
> + $state = STATE_PROTO;
> + $inline_doc_state = STATE_INLINE_NA;
> + # Regular text
> + } elsif (/$doc_content/) {
> + if ($inline_doc_state == STATE_INLINE_TEXT) {
> + $contents .= $1 . "\n";
> + # nuke leading blank lines
> + if ($contents =~ /^\s*$/) {
> + $contents = "";
> + }
> + } elsif ($inline_doc_state == STATE_INLINE_NAME) {
> + $inline_doc_state = STATE_INLINE_ERROR;
> + print STDERR "${file}:$.: warning: ";
> + print STDERR "Incorrect use of kernel-doc format: $_";
> + ++$warnings;
> + }
> + }
> +}
> +
>
> sub process_file($) {
> my $file;
> - my $func;
> my $initial_section_counter = $section_counter;
> my ($orig_file) = @_;
>
> @@ -2014,6 +2090,8 @@ sub process_file($) {
> }
> # Replace tabs by spaces
> while ($_ =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e) {};
> +
> + # Hand this line to the appropriate state handler
> if ($state == STATE_NORMAL) {
> process_normal();
> } elsif ($state == STATE_NAME) {
> @@ -2021,72 +2099,15 @@ sub process_file($) {
> } elsif ($state == STATE_BODY || $state == STATE_BODY_MAYBE) {
> process_body($file, $_);
> } elsif ($state == STATE_INLINE) { # scanning for inline parameters
> - # First line (state 1) needs to be a @parameter
> - if ($inline_doc_state == STATE_INLINE_NAME && /$doc_inline_sect/o) {
> - $section = $1;
> - $contents = $2;
> - $new_start_line = $.;
> - if ($contents ne "") {
> - while (substr($contents, 0, 1) eq " ") {
> - $contents = substr($contents, 1);
> - }
> - $contents .= "\n";
> - }
> - $inline_doc_state = STATE_INLINE_TEXT;
> - # Documentation block end */
> - } elsif (/$doc_inline_end/) {
> - if (($contents ne "") && ($contents ne "\n")) {
> - dump_section($file, $section, $contents);
> - $section = $section_default;
> - $contents = "";
> - }
> - $state = STATE_PROTO;
> - $inline_doc_state = STATE_INLINE_NA;
> - # Regular text
> - } elsif (/$doc_content/) {
> - if ($inline_doc_state == STATE_INLINE_TEXT) {
> - $contents .= $1 . "\n";
> - # nuke leading blank lines
> - if ($contents =~ /^\s*$/) {
> - $contents = "";
> - }
> - } elsif ($inline_doc_state == STATE_INLINE_NAME) {
> - $inline_doc_state = STATE_INLINE_ERROR;
> - print STDERR "${file}:$.: warning: ";
> - print STDERR "Incorrect use of kernel-doc format: $_";
> - ++$warnings;
> - }
> - }
> + process_inline($file, $_);
> } elsif ($state == STATE_PROTO) {
> process_proto($file, $_);
> } elsif ($state == STATE_DOCBLOCK) {
> - if (/$doc_end/)
> - {
> - dump_doc_section($file, $section, $contents);
> - $section = $section_default;
> - $contents = "";
> - $function = "";
> - %parameterdescs = ();
> - %parametertypes = ();
> - @parameterlist = ();
> - %sections = ();
> - @sectionlist = ();
> - $prototype = "";
> - $state = STATE_NORMAL;
> - }
> - elsif (/$doc_content/)
> - {
> - if ( $1 eq "" )
> - {
> - $contents .= $blankline;
> - }
> - else
> - {
> - $contents .= $1 . "\n";
> - }
> - }
> + process_docblock($file, $_);
> }
> }
> +
> + # Make sure we got something interesting.
> if ($initial_section_counter == $section_counter) {
> if ($output_mode ne "none") {
> print STDERR "${file}:1: warning: no structured comments found\n";
> --
> 2.14.3
>
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