mirror of
https://github.com/berkeleydb/libdb.git
synced 2024-09-28 11:36:55 +00:00
86 lines
2.4 KiB
Raku
86 lines
2.4 KiB
Raku
# Perl script to generate a DTrace provider specification from dist/events.in
|
|
$class = undef;
|
|
$continuing = 0;
|
|
$header_comment = 1;
|
|
$single_line = undef;
|
|
$multi_line = undef;
|
|
print "#include \"dbdefs.d\"\n\nprovider bdb {\n";
|
|
|
|
while (<>) {
|
|
$lineno++;
|
|
if (/^$/) {
|
|
# Always put the (required multi-line) header comment
|
|
# by itself. It ends at the first empty line.
|
|
if ($header_comment && defined($multi_line)) {
|
|
printf("%s*/\n", $multi_line);
|
|
$multi_line = undef;
|
|
}
|
|
printf("\n");
|
|
next;
|
|
}
|
|
chop;
|
|
|
|
# Translate single-line # comments to DTrace compatible /* ... */.
|
|
# Generate both single and multi-line version to match KNF standards.
|
|
if (/^([ ]*)#([ ]*)(.*)$/) {
|
|
if (defined($multi_line)) {
|
|
$single_line = undef;
|
|
$multi_line = "$multi_line* $3\n$1 ";
|
|
} else {
|
|
$single_line = "$1/* $3 */";
|
|
$multi_line = "$1/*\n$1 * $3\n$1 ";
|
|
}
|
|
next;
|
|
}
|
|
# It is not a comment line, see whether to output any pending comment
|
|
# that was saved up over the previous line(s).
|
|
if (defined($multi_line)) {
|
|
if (defined($single_line)) {
|
|
printf("%s\n", $single_line);
|
|
} else {
|
|
printf("%s*/\n", $multi_line);
|
|
}
|
|
$single_line = undef;
|
|
$multi_line = undef;
|
|
}
|
|
# A line starting with a letter is an event class name.
|
|
if (/^[a-z]/) {
|
|
$class = $_;
|
|
next;
|
|
}
|
|
if ($continuing) {
|
|
# End of a continued probe signature?
|
|
if (/([a-z0-9-_ ,)]*;)$/) {
|
|
printf("%s\n", $_);
|
|
$continuing = 0;
|
|
next;
|
|
} elsif (/([a-z0-9-_ ,]*,)$/) {
|
|
printf("%s\n", $_);
|
|
next;
|
|
}
|
|
}
|
|
if (/([ ]*)([a-z-_]*)[ ]*(\([^)]*,)$/) {
|
|
# printf("\tprobe %s__%s%s\n", $class, $1, $2);
|
|
printf("%sprobe %s__%s%s\n", $1, $class, $2, $3);
|
|
$continuing = 1;
|
|
} elsif (/([ ]*)([a-z-_]*)[ ]*(\([^)]*\);)/) {
|
|
printf("%sprobe %s__%s%s\n", $1, $class, $2, $3);
|
|
# printf("\tprobe %s__%s%s\n", $class, $1, $2);
|
|
} else {
|
|
printf("** Error in line %d: %s\n", $lineno, $_);
|
|
printf("** Missing or unrecognized parameter list under class %s\n", $class);
|
|
exit(1);
|
|
}
|
|
}
|
|
print "};\n\n";
|
|
if ($continuing) {
|
|
printf("** Unfinished probe under class %s\n", $class);
|
|
exit(1);
|
|
}
|
|
|
|
|
|
print "#pragma D attributes Evolving/Evolving/Common provider bdb provider\n";
|
|
print "#pragma D attributes Private/Private/Common provider bdb module\n";
|
|
print "#pragma D attributes Private/Private/Common provider bdb function\n";
|
|
print "#pragma D attributes Evolving/Evolving/Common provider bdb name\n";
|
|
print "#pragma D attributes Evolving/Evolving/Common provider bdb args\n\n";
|