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Message-Id: <20180207172624.24555-8-corbet@lwn.net>
Date: Wed, 7 Feb 2018 10:26:23 -0700
From: Jonathan Corbet <corbet@....net>
To: linux-doc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, mchehab@...nel.org, me@...in.cc,
Jonathan Corbet <corbet@....net>
Subject: [PATCH 7/8] docs: kernel-doc: Finish moving STATE_* code out of process_file()
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";
+ }
+ }
+}
+
+#
+# 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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