-text Output plain text format.
Output selection (mutually exclusive):
+ -export Only output documentation for symbols that have been
+ exported using EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL()
+ in the same FILE.
+ -internal Only output documentation for symbols that have NOT been
+ exported using EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL()
+ in the same FILE.
-function NAME Only output documentation for the given function(s)
or DOC: section title(s). All other functions and DOC:
sections are ignored. May be specified multiple times.
my $lineprefix="";
-# states
-# 0 - normal code
-# 1 - looking for function name
-# 2 - scanning field start.
-# 3 - scanning prototype.
-# 4 - documentation block
-# 5 - gathering documentation outside main block
+# Parser states
+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
+};
my $state;
my $in_doc_sect;
-# Split Doc State
-# 0 - Invalid (Before start or after finish)
-# 1 - Is started (the /** was found inside a struct)
-# 2 - The @parameter header was found, start accepting multi paragraph text.
-# 3 - Finished (the */ was found)
-# 4 - Error - Comment without header was found. Spit a warning as it's not
-# proper kernel-doc and ignore the rest.
-my $split_doc_state;
+# Inline documentation state
+use constant {
+ STATE_INLINE_NA => 0, # not applicable ($state != STATE_INLINE)
+ STATE_INLINE_NAME => 1, # looking for member name (@foo:)
+ STATE_INLINE_TEXT => 2, # looking for member documentation
+ STATE_INLINE_END => 3, # done
+ STATE_INLINE_ERROR => 4, # error - Comment without header was found.
+ # Spit a warning as it's not
+ # proper kernel-doc and ignore the rest.
+};
+my $inline_doc_state;
#declaration types: can be
# 'function', 'struct', 'union', 'enum', 'typedef'
my $doc_sect = $doc_com . '([' . $doc_special . ']?[\w\s]+):(.*)';
my $doc_content = $doc_com_body . '(.*)';
my $doc_block = $doc_com . 'DOC:\s*(.*)?';
-my $doc_split_start = '^\s*/\*\*\s*$';
-my $doc_split_sect = '\s*\*\s*(@[\w\s]+):(.*)';
-my $doc_split_end = '^\s*\*/\s*$';
+my $doc_inline_start = '^\s*/\*\*\s*$';
+my $doc_inline_sect = '\s*\*\s*(@[\w\s]+):(.*)';
+my $doc_inline_end = '^\s*\*/\s*$';
+my $export_symbol = '^\s*EXPORT_SYMBOL(_GPL)?\s*\(\s*(\w+)\s*\)\s*;';
my %constants;
my %parameterdescs;
$function_only = 2;
$function = shift @ARGV;
$function_table{$function} = 1;
+ } elsif ($cmd eq "-export") { # only exported symbols
+ $function_only = 3;
+ %function_table = ()
+ } elsif ($cmd eq "-internal") { # only non-exported symbols
+ $function_only = 4;
+ %function_table = ()
} elsif ($cmd eq "-v") {
$verbose = 1;
} elsif (($cmd eq "-h") || ($cmd eq "--help")) {
} else {
print " ``$parameter``\n";
}
- if ($args{'parameterdescs'}{$parameter_name} ne $undescribed) {
+ if (defined($args{'parameterdescs'}{$parameter_name}) &&
+ $args{'parameterdescs'}{$parameter_name} ne $undescribed) {
my $oldprefix = $lineprefix;
$lineprefix = " ";
output_highlight_rst($args{'parameterdescs'}{$parameter_name});
my $functype = shift;
my $func = "output_${functype}_$output_mode";
if (($function_only==0) ||
- ( $function_only == 1 && defined($function_table{$name})) ||
- ( $function_only == 2 && !($functype eq "function" && defined($function_table{$name}))))
+ ( ($function_only == 1 || $function_only == 3) &&
+ defined($function_table{$name})) ||
+ ( ($function_only == 2 || $function_only == 4) &&
+ !($functype eq "function" && defined($function_table{$name}))))
{
&$func(@_);
$section_counter++;
$struct_actual = "";
$prototype = "";
- $state = 0;
- $split_doc_state = 0;
+ $state = STATE_NORMAL;
+ $inline_doc_state = STATE_INLINE_NA;
}
sub tracepoint_munge($) {
return;
}
+ # two passes for -export and -internal
+ if ($function_only == 3 || $function_only == 4) {
+ while (<IN>) {
+ if (/$export_symbol/o) {
+ $function_table{$2} = 1;
+ }
+ }
+ seek(IN, 0, 0);
+ }
+
$. = 1;
$section_counter = 0;
while (s/\\\s*$//) {
$_ .= <IN>;
}
- if ($state == 0) {
+ if ($state == STATE_NORMAL) {
if (/$doc_start/o) {
- $state = 1; # next line is always the function name
+ $state = STATE_NAME; # next line is always the function name
$in_doc_sect = 0;
}
- } elsif ($state == 1) { # this line is the function name (always)
+ } elsif ($state == STATE_NAME) {# this line is the function name (always)
if (/$doc_block/o) {
- $state = 4;
+ $state = STATE_DOCBLOCK;
$contents = "";
if ( $1 eq "" ) {
$section = $section_intro;
$identifier = $1;
}
- $state = 2;
+ $state = STATE_FIELD;
if (/-(.*)/) {
# strip leading/trailing/multiple spaces
$descr= $1;
print STDERR "${file}:$.: warning: Cannot understand $_ on line $.",
" - I thought it was a doc line\n";
++$warnings;
- $state = 0;
+ $state = STATE_NORMAL;
}
- } elsif ($state == 2) { # look for head: lines, and include content
+ } elsif ($state == STATE_FIELD) { # look for head: lines, and include content
if (/$doc_sect/o) {
$newsection = $1;
$newcontents = $2;
}
$prototype = "";
- $state = 3;
+ $state = STATE_PROTO;
$brcount = 0;
# print STDERR "end of doc comment, looking for prototype\n";
} elsif (/$doc_content/) {
print STDERR "${file}:$.: warning: bad line: $_";
++$warnings;
}
- } elsif ($state == 5) { # scanning for split parameters
+ } elsif ($state == STATE_INLINE) { # scanning for inline parameters
# First line (state 1) needs to be a @parameter
- if ($split_doc_state == 1 && /$doc_split_sect/o) {
+ if ($inline_doc_state == STATE_INLINE_NAME && /$doc_inline_sect/o) {
$section = $1;
$contents = $2;
if ($contents ne "") {
}
$contents .= "\n";
}
- $split_doc_state = 2;
+ $inline_doc_state = STATE_INLINE_TEXT;
# Documentation block end */
- } elsif (/$doc_split_end/) {
+ } elsif (/$doc_inline_end/) {
if (($contents ne "") && ($contents ne "\n")) {
dump_section($file, $section, xml_escape($contents));
$section = $section_default;
$contents = "";
}
- $state = 3;
- $split_doc_state = 0;
+ $state = STATE_PROTO;
+ $inline_doc_state = STATE_INLINE_NA;
# Regular text
} elsif (/$doc_content/) {
- if ($split_doc_state == 2) {
+ if ($inline_doc_state == STATE_INLINE_TEXT) {
$contents .= $1 . "\n";
- } elsif ($split_doc_state == 1) {
- $split_doc_state = 4;
+ } elsif ($inline_doc_state == STATE_INLINE_NAME) {
+ $inline_doc_state = STATE_INLINE_ERROR;
print STDERR "Warning(${file}:$.): ";
print STDERR "Incorrect use of kernel-doc format: $_";
++$warnings;
}
}
- } elsif ($state == 3) { # scanning for function '{' (end of prototype)
- if (/$doc_split_start/) {
- $state = 5;
- $split_doc_state = 1;
+ } elsif ($state == STATE_PROTO) { # scanning for function '{' (end of prototype)
+ if (/$doc_inline_start/) {
+ $state = STATE_INLINE;
+ $inline_doc_state = STATE_INLINE_NAME;
} elsif ($decl_type eq 'function') {
process_state3_function($_, $file);
} else {
process_state3_type($_, $file);
}
- } elsif ($state == 4) {
+ } elsif ($state == STATE_DOCBLOCK) {
# Documentation block
if (/$doc_block/) {
dump_doc_section($file, $section, xml_escape($contents));
%sections = ();
@sectionlist = ();
$prototype = "";
- $state = 0;
+ $state = STATE_NORMAL;
}
elsif (/$doc_content/)
{