scripts: kernel-doc: replace tabs by spaces
Sphinx has a hard time dealing with tabs, causing it to
misinterpret paragraph continuation.
As we're now mainly focused on supporting ReST output,
replace tabs by spaces, in order to avoid troubles when
the output is parsed by Sphinx.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index e417d93..05aadac 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1579,7 +1579,7 @@
sub syscall_munge() {
my $void = 0;
- $prototype =~ s@[\r\n\t]+@ @gos; # strip newlines/CR's/tabs
+ $prototype =~ s@[\r\n]+@ @gos; # strip newlines/CR's
## if ($prototype =~ m/SYSCALL_DEFINE0\s*\(\s*(a-zA-Z0-9_)*\s*\)/) {
if ($prototype =~ m/SYSCALL_DEFINE0/) {
$void = 1;
@@ -1778,6 +1778,8 @@
while (s/\\\s*$//) {
$_ .= <IN>;
}
+ # Replace tabs by spaces
+ while ($_ =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e) {};
if ($state == STATE_NORMAL) {
if (/$doc_start/o) {
$state = STATE_NAME; # next line is always the function name
@@ -1877,8 +1879,7 @@
$in_purpose = 0;
$contents = $newcontents;
$new_start_line = $.;
- while ((substr($contents, 0, 1) eq " ") ||
- substr($contents, 0, 1) eq "\t") {
+ while (substr($contents, 0, 1) eq " ") {
$contents = substr($contents, 1);
}
if ($contents ne "") {
@@ -1947,8 +1948,7 @@
$contents = $2;
$new_start_line = $.;
if ($contents ne "") {
- while ((substr($contents, 0, 1) eq " ") ||
- substr($contents, 0, 1) eq "\t") {
+ while (substr($contents, 0, 1) eq " ") {
$contents = substr($contents, 1);
}
$contents .= "\n";