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docs: kernel-doc: Move STATE_NAME processing into its own function

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Move this code out of process_file() in the name of readability and
maintainability.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Jonathan Corbet 2018-02-05 14:36:33 -07:00
parent 07048d1313
commit 3cac2bc41d
1 changed files with 72 additions and 65 deletions
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137
scripts/kernel-doc
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@ -1793,13 +1793,81 @@ sub process_normal() {
}
}
#
# STATE_NAME: Looking for the "name - description" line
#
sub process_name($$) {
my $file = shift;
my $identifier;
my $descr;
if (/$doc_block/o) {
$state = STATE_DOCBLOCK;
$contents = "";
$new_start_line = $. + 1;
if ( $1 eq "" ) {
$section = $section_intro;
} else {
$section = $1;
}
}
elsif (/$doc_decl/o) {
$identifier = $1;
if (/\s*([\w\s]+?)\s*-/) {
$identifier = $1;
}
$state = STATE_BODY;
# if there's no @param blocks need to set up default section
# here
$contents = "";
$section = $section_default;
$new_start_line = $. + 1;
if (/-(.*)/) {
# strip leading/trailing/multiple spaces
$descr= $1;
$descr =~ s/^\s*//;
$descr =~ s/\s*$//;
$descr =~ s/\s+/ /g;
$declaration_purpose = $descr;
$state = STATE_BODY_MAYBE;
} else {
$declaration_purpose = "";
}
if (($declaration_purpose eq "") && $verbose) {
print STDERR "${file}:$.: warning: missing initial short description on line:\n";
print STDERR $_;
++$warnings;
}
if ($identifier =~ m/^struct/) {
$decl_type = 'struct';
} elsif ($identifier =~ m/^union/) {
$decl_type = 'union';
} elsif ($identifier =~ m/^enum/) {
$decl_type = 'enum';
} elsif ($identifier =~ m/^typedef/) {
$decl_type = 'typedef';
} else {
$decl_type = 'function';
}
if ($verbose) {
print STDERR "${file}:$.: info: Scanning doc for $identifier\n";
}
} else {
print STDERR "${file}:$.: warning: Cannot understand $_ on line $.",
" - I thought it was a doc line\n";
++$warnings;
$state = STATE_NORMAL;
}
}
sub process_file($) {
my $file;
my $identifier;
my $func;
my $descr;
my $initial_section_counter = $section_counter;
my ($orig_file) = @_;
my $leading_space;
@ -1823,69 +1891,8 @@ sub process_file($) {
while ($_ =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e) {};
if ($state == STATE_NORMAL) {
process_normal();
} elsif ($state == STATE_NAME) {# this line is the function name (always)
if (/$doc_block/o) {
$state = STATE_DOCBLOCK;
$contents = "";
$new_start_line = $. + 1;
if ( $1 eq "" ) {
$section = $section_intro;
} else {
$section = $1;
}
}
elsif (/$doc_decl/o) {
$identifier = $1;
if (/\s*([\w\s]+?)\s*-/) {
$identifier = $1;
}
$state = STATE_BODY;
# if there's no @param blocks need to set up default section
# here
$contents = "";
$section = $section_default;
$new_start_line = $. + 1;
if (/-(.*)/) {
# strip leading/trailing/multiple spaces
$descr= $1;
$descr =~ s/^\s*//;
$descr =~ s/\s*$//;
$descr =~ s/\s+/ /g;
$declaration_purpose = $descr;
$state = STATE_BODY_MAYBE;
} else {
$declaration_purpose = "";
}
if (($declaration_purpose eq "") && $verbose) {
print STDERR "${file}:$.: warning: missing initial short description on line:\n";
print STDERR $_;
++$warnings;
}
if ($identifier =~ m/^struct/) {
$decl_type = 'struct';
} elsif ($identifier =~ m/^union/) {
$decl_type = 'union';
} elsif ($identifier =~ m/^enum/) {
$decl_type = 'enum';
} elsif ($identifier =~ m/^typedef/) {
$decl_type = 'typedef';
} else {
$decl_type = 'function';
}
if ($verbose) {
print STDERR "${file}:$.: info: Scanning doc for $identifier\n";
}
} else {
print STDERR "${file}:$.: warning: Cannot understand $_ on line $.",
" - I thought it was a doc line\n";
++$warnings;
$state = STATE_NORMAL;
}
} elsif ($state == STATE_NAME) {
process_name($file, $_);
} elsif ($state == STATE_BODY || $state == STATE_BODY_MAYBE) {
if (/$doc_sect/i) { # case insensitive for supported section names
$newsection = $1;