doc-rst: parse-headers: be more formal about the valid symbols

Be more formal about the valid symbols that are expected by
the parser, to match what c language expects.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/Documentation/sphinx/parse-headers.pl b/Documentation/sphinx/parse-headers.pl
index bf6f0df895f4997c3bfaba4ed351b8395dc0c9f4..5e366756084fef898e65b1e948c7add5e581c9aa 100755 (executable)
--- a/Documentation/sphinx/parse-headers.pl
+++ b/Documentation/sphinx/parse-headers.pl
@@ -34,7 +34,7 @@ while (<IN>) {
 
        $data .= $_;
 
-       if ($is_enum && $ln =~ m/^\s*([_A-Z][^\s\}\,\=]+)\s*[\,=]?/) {
+       if ($is_enum && $ln =~ m/^\s*([_\w][\w\d_]+)\s*[\,=]?/) {
                my $s = $1;
                my $n = $1;
                $n =~ tr/A-Z/a-z/;
@@ -47,7 +47,7 @@ while (<IN>) {
        }
        $is_enum = 0 if ($is_enum && m/\}/);
 
-       if ($ln =~ m/^\s*#\s*define\s+([_A-Z]\S+)\s+_IO/) {
+       if ($ln =~ m/^\s*#\s*define\s+([_\w][\w\d_]+)\s+_IO/) {
                my $s = $1;
                my $n = $1;
                $n =~ tr/A-Z/a-z/;
@@ -56,7 +56,7 @@ while (<IN>) {
                next;
        }
 
-       if ($ln =~ m/^\s*#\s*define\s+([_A-Z]\S+)\s+/) {
+       if ($ln =~ m/^\s*#\s*define\s+([_\w][\w\d_]+)\s+/) {
                my $s = $1;
                my $n = $1;
                $n =~ tr/A-Z/a-z/;
@@ -66,7 +66,7 @@ while (<IN>) {
                next;
        }
 
-       if ($ln =~ m/^\s*typedef\s+.*\s+([_\w]\S+);/) {
+       if ($ln =~ m/^\s*typedef\s+.*\s+([_\w][\w\d_]+);/) {
                my $s = $1;
                my $n = $1;
                $n =~ tr/A-Z/a-z/;
@@ -75,8 +75,8 @@ while (<IN>) {
                $typedefs{$s} = $n;
                next;
        }
-       if ($ln =~ m/^\s*enum\s+(\S+)\s+\{/
-           || $ln =~ m/^\s*enum\s+(\S+)$/) {
+       if ($ln =~ m/^\s*enum\s+([_\w][\w\d_]+)\s+\{/
+           || $ln =~ m/^\s*enum\s+([_\w][\w\d_]+)$/) {
                my $s = $1;
                my $n = $1;
                $n =~ tr/A-Z/a-z/;
@@ -87,8 +87,8 @@ while (<IN>) {
                $is_enum = $1;
                next;
        }
-       if ($ln =~ m/^\s*struct\s+([_A-Za-z_]\S+)\s+\{/
-           || $ln =~ m/^\s*struct\s+([A-Za-z_]\S+)$/) {
+       if ($ln =~ m/^\s*struct\s+([_\w][\w\d_]+)\s+\{/
+           || $ln =~ m/^\s*struct\s+([[_\w][\w\d_]+)$/) {
                my $s = $1;
                my $n = $1;
                $n =~ tr/A-Z/a-z/;