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authorRandy Dunlap <randy.dunlap@oracle.com>2011-01-05 16:28:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 09:59:38 -0800
commit8484baaa5065b460e5eb18ee721d8417251f7897 (patch)
treefc0b956c74b6cd236169a323dec90feea79c1659 /scripts
parentd5ba92b7958e3ff2f0878e45b9b42cb6976853dd (diff)
downloadlinux-8484baaa5065b460e5eb18ee721d8417251f7897.tar.bz2
kernel-doc: code reorganization
Move 'main' code vs. subroutines around so that they are not so intermixed, for better readability/understanding (relative to Perl). It was messy to follow the primary flow of code execution with the code being mixed. Now the code begins with data initialization, followed by all subroutines, then ends with the main code execution. This is almost totally source code movement, with a few changes as needed for forward declarations. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/kernel-doc102
1 files changed, 54 insertions, 48 deletions
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 39580a5dc5df..9f85012acf0d 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -155,6 +155,8 @@ use strict;
# '@parameter' - name of a parameter
# '%CONST' - name of a constant.
+## init lots of data
+
my $errors = 0;
my $warnings = 0;
my $anon_struct_union = 0;
@@ -218,21 +220,14 @@ my %highlights_list = ( $type_constant, "\$1",
$type_param, "\$1" );
my $blankline_list = "";
-sub usage {
- print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -list ]\n";
- print " [ -no-doc-sections ]\n";
- print " [ -function funcname [ -function funcname ...] ]\n";
- print " [ -nofunction funcname [ -nofunction funcname ...] ]\n";
- print " c source file(s) > outputfile\n";
- print " -v : verbose output, more warnings & other info listed\n";
- exit 1;
-}
-
# read arguments
if ($#ARGV == -1) {
usage();
}
+my $kernelversion;
+my $dohighlight = "";
+
my $verbose = 0;
my $output_mode = "man";
my $no_doc_sections = 0;
@@ -245,7 +240,7 @@ my $man_date = ('January', 'February', 'March', 'April', 'May', 'June',
'November', 'December')[(localtime)[4]] .
" " . ((localtime)[5]+1900);
-# Essentially these are globals
+# Essentially these are globals.
# They probably want to be tidied up, made more localised or something.
# CAVEAT EMPTOR! Some of the others I localised may not want to be, which
# could cause "use of undefined value" or other bugs.
@@ -353,6 +348,18 @@ while ($ARGV[0] =~ m/^-(.*)/) {
}
}
+# continue execution near EOF;
+
+sub usage {
+ print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -list ]\n";
+ print " [ -no-doc-sections ]\n";
+ print " [ -function funcname [ -function funcname ...] ]\n";
+ print " [ -nofunction funcname [ -nofunction funcname ...] ]\n";
+ print " c source file(s) > outputfile\n";
+ print " -v : verbose output, more warnings & other info listed\n";
+ exit 1;
+}
+
# get kernel version from env
sub get_kernel_version() {
my $version = 'unknown kernel version';
@@ -362,15 +369,6 @@ sub get_kernel_version() {
}
return $version;
}
-my $kernelversion = get_kernel_version();
-
-# generate a sequence of code that will splice in highlighting information
-# using the s// operator.
-my $dohighlight = "";
-foreach my $pattern (keys %highlights) {
-# print STDERR "scanning pattern:$pattern, highlight:($highlights{$pattern})\n";
- $dohighlight .= "\$contents =~ s:$pattern:$highlights{$pattern}:gs;\n";
-}
##
# dumps section contents to arrays/hashes intended for that purpose.
@@ -1851,34 +1849,6 @@ sub dump_function($$) {
});
}
-sub process_file($);
-
-# Read the file that maps relative names to absolute names for
-# separate source and object directories and for shadow trees.
-if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {
- my ($relname, $absname);
- while(<SOURCE_MAP>) {
- chop();
- ($relname, $absname) = (split())[0..1];
- $relname =~ s:^/+::;
- $source_map{$relname} = $absname;
- }
- close(SOURCE_MAP);
-}
-
-foreach (@ARGV) {
- chomp;
- process_file($_);
-}
-if ($verbose && $errors) {
- print STDERR "$errors errors\n";
-}
-if ($verbose && $warnings) {
- print STDERR "$warnings warnings\n";
-}
-
-exit($errors);
-
sub reset_state {
$function = "";
%constants = ();
@@ -2285,3 +2255,39 @@ sub process_file($) {
}
}
}
+
+
+$kernelversion = get_kernel_version();
+
+# generate a sequence of code that will splice in highlighting information
+# using the s// operator.
+foreach my $pattern (keys %highlights) {
+# print STDERR "scanning pattern:$pattern, highlight:($highlights{$pattern})\n";
+ $dohighlight .= "\$contents =~ s:$pattern:$highlights{$pattern}:gs;\n";
+}
+
+# Read the file that maps relative names to absolute names for
+# separate source and object directories and for shadow trees.
+if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {
+ my ($relname, $absname);
+ while(<SOURCE_MAP>) {
+ chop();
+ ($relname, $absname) = (split())[0..1];
+ $relname =~ s:^/+::;
+ $source_map{$relname} = $absname;
+ }
+ close(SOURCE_MAP);
+}
+
+foreach (@ARGV) {
+ chomp;
+ process_file($_);
+}
+if ($verbose && $errors) {
+ print STDERR "$errors errors\n";
+}
+if ($verbose && $warnings) {
+ print STDERR "$warnings warnings\n";
+}
+
+exit($errors);