[U-Boot] [PATCH v2 2/3] kernel-doc: update kernel-doc related files to Linux v3.13
Masahiro Yamada
yamada.m at jp.panasonic.com
Wed Feb 5 02:52:51 CET 2014
Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
Acked-by: Simon Glass <sjg at chromium.org>
---
Changes in v2:
- update also .gitignore
doc/DocBook/.gitignore | 1 -
doc/DocBook/stylesheet.xsl | 1 -
scripts/docproc.c | 72 +++++++++++++++++++++++---------------------
scripts/kernel-doc | 74 +++++++++++++++++++++++++++++++++++++++-------
4 files changed, 101 insertions(+), 47 deletions(-)
diff --git a/doc/DocBook/.gitignore b/doc/DocBook/.gitignore
index 90c1b11..720f245 100644
--- a/doc/DocBook/.gitignore
+++ b/doc/DocBook/.gitignore
@@ -1,4 +1,3 @@
-*/
*.xml
*.ps
*.pdf
diff --git a/doc/DocBook/stylesheet.xsl b/doc/DocBook/stylesheet.xsl
index 8adce56..85b2527 100644
--- a/doc/DocBook/stylesheet.xsl
+++ b/doc/DocBook/stylesheet.xsl
@@ -7,5 +7,4 @@
<!-- <param name="paper.type">A4</param> -->
<param name="generate.section.toc.level">2</param>
<param name="use.id.as.filename">1</param>
-<param name="html.stylesheet">../docbook.css</param>
</stylesheet>
diff --git a/scripts/docproc.c b/scripts/docproc.c
index 23c3a43..2b69eaf 100644
--- a/scripts/docproc.c
+++ b/scripts/docproc.c
@@ -72,6 +72,7 @@ FILELINE * docsection;
#define FUNCTION "-function"
#define NOFUNCTION "-nofunction"
#define NODOCSECTIONS "-no-doc-sections"
+#define SHOWNOTFOUND "-show-not-found"
static char *srctree, *kernsrctree;
@@ -153,7 +154,7 @@ int symfilecnt = 0;
static void add_new_symbol(struct symfile *sym, char * symname)
{
sym->symbollist =
- realloc(sym->symbollist, (sym->symbolcnt + 1) * sizeof(char *));
+ realloc(sym->symbollist, (sym->symbolcnt + 1) * sizeof(char *));
sym->symbollist[sym->symbolcnt++].name = strdup(symname);
}
@@ -214,7 +215,7 @@ static void find_export_symbols(char * filename)
char *p;
char *e;
if (((p = strstr(line, "EXPORT_SYMBOL_GPL")) != NULL) ||
- ((p = strstr(line, "EXPORT_SYMBOL")) != NULL)) {
+ ((p = strstr(line, "EXPORT_SYMBOL")) != NULL)) {
/* Skip EXPORT_SYMBOL{_GPL} */
while (isalnum(*p) || *p == '_')
p++;
@@ -290,27 +291,28 @@ static void extfunc(char * filename) { docfunctions(filename, FUNCTION); }
static void singfunc(char * filename, char * line)
{
char *vec[200]; /* Enough for specific functions */
- int i, idx = 0;
- int startofsym = 1;
+ int i, idx = 0;
+ int startofsym = 1;
vec[idx++] = KERNELDOC;
vec[idx++] = DOCBOOK;
-
- /* Split line up in individual parameters preceded by FUNCTION */
- for (i=0; line[i]; i++) {
- if (isspace(line[i])) {
- line[i] = '\0';
- startofsym = 1;
- continue;
- }
- if (startofsym) {
- startofsym = 0;
- vec[idx++] = FUNCTION;
- vec[idx++] = &line[i];
- }
- }
+ vec[idx++] = SHOWNOTFOUND;
+
+ /* Split line up in individual parameters preceded by FUNCTION */
+ for (i=0; line[i]; i++) {
+ if (isspace(line[i])) {
+ line[i] = '\0';
+ startofsym = 1;
+ continue;
+ }
+ if (startofsym) {
+ startofsym = 0;
+ vec[idx++] = FUNCTION;
+ vec[idx++] = &line[i];
+ }
+ }
for (i = 0; i < idx; i++) {
- if (strcmp(vec[i], FUNCTION))
- continue;
+ if (strcmp(vec[i], FUNCTION))
+ continue;
consume_symbol(vec[i + 1]);
}
vec[idx++] = filename;
@@ -325,7 +327,8 @@ static void singfunc(char * filename, char * line)
*/
static void docsect(char *filename, char *line)
{
- char *vec[6]; /* kerneldoc -docbook -function "section" file NULL */
+ /* kerneldoc -docbook -show-not-found -function "section" file NULL */
+ char *vec[7];
char *s;
for (s = line; *s; s++)
@@ -341,10 +344,11 @@ static void docsect(char *filename, char *line)
vec[0] = KERNELDOC;
vec[1] = DOCBOOK;
- vec[2] = FUNCTION;
- vec[3] = line;
- vec[4] = filename;
- vec[5] = NULL;
+ vec[2] = SHOWNOTFOUND;
+ vec[3] = FUNCTION;
+ vec[4] = line;
+ vec[5] = filename;
+ vec[6] = NULL;
exec_kernel_doc(vec);
}
@@ -456,14 +460,14 @@ static void parse_file(FILE *infile)
break;
case 'D':
while (*s && !isspace(*s)) s++;
- *s = '\0';
- symbolsonly(line+2);
- break;
+ *s = '\0';
+ symbolsonly(line+2);
+ break;
case 'F':
/* filename */
while (*s && !isspace(*s)) s++;
*s++ = '\0';
- /* function names */
+ /* function names */
while (isspace(*s))
s++;
singlefunctions(line +2, s);
@@ -511,11 +515,11 @@ int main(int argc, char *argv[])
}
/* Open file, exit on error */
infile = fopen(argv[2], "r");
- if (infile == NULL) {
- fprintf(stderr, "docproc: ");
- perror(argv[2]);
- exit(2);
- }
+ if (infile == NULL) {
+ fprintf(stderr, "docproc: ");
+ perror(argv[2]);
+ exit(2);
+ }
if (strcmp("doc", argv[1]) == 0) {
/* Need to do this in two passes.
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index cbbf34c..ba2bafd 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -137,6 +137,8 @@ use strict;
# should document the "Context:" of the function, e.g. whether the functions
# can be called form interrupts. Unlike other sections you can end it with an
# empty line.
+# A non-void function should have a "Return:" section describing the return
+# value(s).
# Example-sections should contain the string EXAMPLE so that they are marked
# appropriately in DocBook.
#
@@ -245,6 +247,7 @@ my $dohighlight = "";
my $verbose = 0;
my $output_mode = "man";
+my $output_preformatted = 0;
my $no_doc_sections = 0;
my %highlights = %highlights_man;
my $blankline = $blankline_man;
@@ -254,6 +257,7 @@ my $man_date = ('January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October',
'November', 'December')[(localtime)[4]] .
" " . ((localtime)[5]+1900);
+my $show_not_found = 0;
# Essentially these are globals.
# They probably want to be tidied up, made more localised or something.
@@ -295,9 +299,10 @@ my $doc_special = "\@\%\$\&";
my $doc_start = '^/\*\*\s*$'; # Allow whitespace at end of comment start.
my $doc_end = '\*/';
my $doc_com = '\s*\*\s*';
+my $doc_com_body = '\s*\* ?';
my $doc_decl = $doc_com . '(\w+)';
my $doc_sect = $doc_com . '([' . $doc_special . ']?[\w\s]+):(.*)';
-my $doc_content = $doc_com . '(.*)';
+my $doc_content = $doc_com_body . '(.*)';
my $doc_block = $doc_com . 'DOC:\s*(.*)?';
my %constants;
@@ -313,6 +318,7 @@ my $section_default = "Description"; # default section
my $section_intro = "Introduction";
my $section = $section_default;
my $section_context = "Context";
+my $section_return = "Return";
my $undescribed = "-- undescribed --";
@@ -364,6 +370,8 @@ while ($ARGV[0] =~ m/^-(.*)/) {
usage();
} elsif ($cmd eq '-no-doc-sections') {
$no_doc_sections = 1;
+ } elsif ($cmd eq '-show-not-found') {
+ $show_not_found = 1;
}
}
@@ -432,7 +440,7 @@ sub dump_doc_section {
my $contents = join "\n", @_;
if ($no_doc_sections) {
- return;
+ return;
}
if (($function_only == 0) ||
@@ -485,8 +493,13 @@ sub output_highlight {
$contents =~ s/\s+$//;
}
foreach $line (split "\n", $contents) {
+ if (! $output_preformatted) {
+ $line =~ s/^\s*//;
+ }
if ($line eq ""){
- print $lineprefix, local_unescape($blankline);
+ if (! $output_preformatted) {
+ print $lineprefix, local_unescape($blankline);
+ }
} else {
$line =~ s/\\\\\\/\&/g;
if ($output_mode eq "man" && substr($line, 0, 1) eq ".") {
@@ -902,10 +915,12 @@ sub output_section_xml(%) {
print "<title>$section</title>\n";
if ($section =~ m/EXAMPLE/i) {
print "<informalexample><programlisting>\n";
+ $output_preformatted = 1;
} else {
print "<para>\n";
}
output_highlight($args{'sections'}{$section});
+ $output_preformatted = 0;
if ($section =~ m/EXAMPLE/i) {
print "</programlisting></informalexample>\n";
} else {
@@ -1208,10 +1223,12 @@ sub output_blockhead_xml(%) {
}
if ($section =~ m/EXAMPLE/i) {
print "<example><para>\n";
+ $output_preformatted = 1;
} else {
print "<para>\n";
}
output_highlight($args{'sections'}{$section});
+ $output_preformatted = 0;
if ($section =~ m/EXAMPLE/i) {
print "</para></example>\n";
} else {
@@ -1287,10 +1304,12 @@ sub output_function_gnome {
print "<simplesect>\n <title>$section</title>\n";
if ($section =~ m/EXAMPLE/i) {
print "<example><programlisting>\n";
+ $output_preformatted = 1;
} else {
}
print "<para>\n";
output_highlight($args{'sections'}{$section});
+ $output_preformatted = 0;
print "</para>\n";
if ($section =~ m/EXAMPLE/i) {
print "</programlisting></example>\n";
@@ -1734,7 +1753,7 @@ sub dump_struct($$) {
# strip kmemcheck_bitfield_{begin,end}.*;
$members =~ s/kmemcheck_bitfield_.*?;//gos;
# strip attributes
- $members =~ s/__aligned\s*\(\d+\)//gos;
+ $members =~ s/__aligned\s*\(.+\)//gos;
create_parameterlist($members, ';', $file);
check_sections($file, $declaration_name, "struct", $sectcheck, $struct_actual, $nested);
@@ -2026,6 +2045,28 @@ sub check_sections($$$$$$) {
}
##
+# Checks the section describing the return value of a function.
+sub check_return_section {
+ my $file = shift;
+ my $declaration_name = shift;
+ my $return_type = shift;
+
+ # Ignore an empty return type (It's a macro)
+ # Ignore functions with a "void" return type. (But don't ignore "void *")
+ if (($return_type eq "") || ($return_type =~ /void\s*\w*\s*$/)) {
+ return;
+ }
+
+ if (!defined($sections{$section_return}) ||
+ $sections{$section_return} eq "") {
+ print STDERR "Warning(${file}:$.): " .
+ "No description found for return value of " .
+ "'$declaration_name'\n";
+ ++$warnings;
+ }
+}
+
+##
# takes a function prototype and the name of the current file being
# processed and spits out all the details stored in the global
# arrays/hashes.
@@ -2041,7 +2082,6 @@ sub dump_function($$) {
$prototype =~ s/^__inline +//;
$prototype =~ s/^__always_inline +//;
$prototype =~ s/^noinline +//;
- $prototype =~ s/__devinit +//;
$prototype =~ s/__init +//;
$prototype =~ s/__init_or_module +//;
$prototype =~ s/__must_check +//;
@@ -2088,14 +2128,22 @@ sub dump_function($$) {
create_parameterlist($args, ',', $file);
} else {
- print STDERR "Error(${file}:$.): cannot understand prototype: '$prototype'\n";
- ++$errors;
+ print STDERR "Warning(${file}:$.): cannot understand function prototype: '$prototype'\n";
return;
}
my $prms = join " ", @parameterlist;
check_sections($file, $declaration_name, "function", $sectcheck, $prms, "");
+ # This check emits a lot of warnings at the moment, because many
+ # functions don't have a 'Return' doc section. So until the number
+ # of warnings goes sufficiently down, the check is only performed in
+ # verbose mode.
+ # TODO: always perform the check.
+ if ($verbose) {
+ check_return_section($file, $declaration_name, $return_type);
+ }
+
output_declaration($declaration_name,
'function',
{'function' => $declaration_name,
@@ -2305,6 +2353,9 @@ sub process_file($) {
$section_counter = 0;
while (<IN>) {
+ while (s/\\\s*$//) {
+ $_ .= <IN>;
+ }
if ($state == 0) {
if (/$doc_start/o) {
$state = 1; # next line is always the function name
@@ -2332,7 +2383,7 @@ sub process_file($) {
$descr= $1;
$descr =~ s/^\s*//;
$descr =~ s/\s*$//;
- $descr =~ s/\s+/ /;
+ $descr =~ s/\s+/ /g;
$declaration_purpose = xml_escape($descr);
$in_purpose = 1;
} else {
@@ -2424,9 +2475,7 @@ sub process_file($) {
# Continued declaration purpose
chomp($declaration_purpose);
$declaration_purpose .= " " . xml_escape($1);
- } elsif ($section =~ m/^Example/) {
- $_ =~ s/^\s*\*//;
- $contents .= $_;
+ $declaration_purpose =~ s/\s+/ /g;
} else {
$contents .= $1 . "\n";
}
@@ -2489,6 +2538,9 @@ sub process_file($) {
}
if ($initial_section_counter == $section_counter) {
print STDERR "Warning(${file}): no structured comments found\n";
+ if (($function_only == 1) && ($show_not_found == 1)) {
+ print STDERR " Was looking for '$_'.\n" for keys %function_table;
+ }
if ($output_mode eq "xml") {
# The template wants at least one RefEntry here; make one.
print "<refentry>\n";
--
1.8.3.2
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