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https://github.com/samba-team/samba.git
synced 2025-06-26 23:18:57 +03:00
71db46ea66
Both subsystems and modules can now have init functions, which can be specified in .mk files (INIT_FUNCTION = ...) The build system will define : - SUBSYSTEM_init_static_modules that calls the init functions of all statically compiled modules. Failing to load will generate an error which is not fatal - BINARY_init_subsystems that calls the init functions (if defined) for the subsystems the binary depends on This removes the hack with the "static bool Initialised = " and the "lazy_init" functions (This used to be commit 7a8244761bfdfdfb48f8264d76951ebdfbf7bd8a)
399 lines
9.8 KiB
Perl
399 lines
9.8 KiB
Perl
###################################################
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# create C header files for an IDL structure
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# Copyright tridge@samba.org 2000
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# released under the GNU GPL
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package IdlHeader;
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use strict;
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use needed;
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my($res);
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my($tab_depth);
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sub tabs()
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{
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for (my($i)=0; $i < $tab_depth; $i++) {
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$res .= "\t";
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}
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}
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#####################################################################
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# parse a properties list
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sub HeaderProperties($)
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{
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my($props) = shift;
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return;
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foreach my $d (@{$props}) {
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if (ref($d) ne "HASH") {
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$res .= "/* [$d] */ ";
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} else {
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foreach my $k (keys %{$d}) {
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$res .= "/* [$k($d->{$k})] */ ";
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}
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}
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}
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}
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#####################################################################
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# parse a structure element
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sub HeaderElement($)
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{
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my($element) = shift;
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(defined $element->{PROPERTIES}) && HeaderProperties($element->{PROPERTIES});
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$res .= tabs();
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HeaderType($element, $element->{TYPE}, "");
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$res .= " ";
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if ($element->{POINTERS} &&
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$element->{TYPE} ne "string") {
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my($n) = $element->{POINTERS};
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for (my($i)=$n; $i > 0; $i--) {
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$res .= "*";
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}
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}
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if (defined $element->{ARRAY_LEN} &&
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!util::is_constant($element->{ARRAY_LEN}) &&
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!$element->{POINTERS}) {
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# conformant arrays are ugly! I choose to implement them with
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# pointers instead of the [1] method
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$res .= "*";
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}
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$res .= "$element->{NAME}";
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if (defined $element->{ARRAY_LEN} && util::is_constant($element->{ARRAY_LEN})) {
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$res .= "[$element->{ARRAY_LEN}]";
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}
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$res .= ";\n";
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}
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#####################################################################
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# parse a struct
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sub HeaderStruct($$)
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{
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my($struct) = shift;
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my($name) = shift;
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$res .= "\nstruct $name {\n";
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$tab_depth++;
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my $el_count=0;
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if (defined $struct->{ELEMENTS}) {
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foreach my $e (@{$struct->{ELEMENTS}}) {
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HeaderElement($e);
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$el_count++;
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}
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}
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if ($el_count == 0) {
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# some compilers can't handle empty structures
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$res .= "\tchar _empty_;\n";
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}
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$tab_depth--;
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$res .= "}";
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}
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#####################################################################
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# parse a struct
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sub HeaderEnum($$)
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{
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my($enum) = shift;
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my($name) = shift;
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$res .= "\nenum $name {\n";
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$tab_depth++;
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my $els = \@{$enum->{ELEMENTS}};
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foreach my $i (0 .. $#{$els}-1) {
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my $e = ${$els}[$i];
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tabs();
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chomp $e;
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$res .= "$e,\n";
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}
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my $e = ${$els}[$#{$els}];
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tabs();
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chomp $e;
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if ($e !~ /^(.*?)\s*$/) {
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die "Bad enum $name\n";
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}
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$res .= "$1\n";
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$tab_depth--;
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$res .= "}";
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}
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#####################################################################
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# parse a union
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sub HeaderUnion($$)
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{
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my($union) = shift;
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my($name) = shift;
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my %done = ();
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(defined $union->{PROPERTIES}) && HeaderProperties($union->{PROPERTIES});
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$res .= "\nunion $name {\n";
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$tab_depth++;
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foreach my $e (@{$union->{DATA}}) {
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if ($e->{TYPE} eq "UNION_ELEMENT") {
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if (! defined $done{$e->{DATA}->{NAME}}) {
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HeaderElement($e->{DATA});
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}
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$done{$e->{DATA}->{NAME}} = 1;
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}
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}
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$tab_depth--;
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$res .= "}";
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}
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#####################################################################
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# parse a type
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sub HeaderType($$$)
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{
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my $e = shift;
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my($data) = shift;
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my($name) = shift;
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if (ref($data) eq "HASH") {
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($data->{TYPE} eq "ENUM") &&
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HeaderEnum($data, $name);
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($data->{TYPE} eq "STRUCT") &&
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HeaderStruct($data, $name);
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($data->{TYPE} eq "UNION") &&
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HeaderUnion($data, $name);
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return;
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}
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if ($data =~ "string") {
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$res .= "const char *";
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} elsif (util::is_scalar_type($data)) {
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$res .= "$data";
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} elsif (util::has_property($e, "switch_is")) {
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$res .= "union $data";
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} else {
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$res .= "struct $data";
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}
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}
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#####################################################################
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# parse a typedef
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sub HeaderTypedef($)
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{
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my($typedef) = shift;
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HeaderType($typedef, $typedef->{DATA}, $typedef->{NAME});
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$res .= ";\n";
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}
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#####################################################################
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# prototype a typedef
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sub HeaderTypedefProto($)
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{
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my($d) = shift;
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if (!util::has_property($d->{DATA}, "public")) {
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return;
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}
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if ($d->{DATA}{TYPE} eq "STRUCT") {
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$res .= "NTSTATUS ndr_push_$d->{NAME}(struct ndr_push *, int , struct $d->{NAME} *);\n";
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$res .= "NTSTATUS ndr_pull_$d->{NAME}(struct ndr_pull *, int , struct $d->{NAME} *);\n";
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if (!util::has_property($d->{DATA}, "noprint")) {
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$res .= "void ndr_print_$d->{NAME}(struct ndr_print *, const char *, struct $d->{NAME} *);\n";
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}
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if (needed::is_needed("ndr_size_$d->{NAME}")) {
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$res .= "size_t ndr_size_$d->{NAME}(int , struct $d->{NAME} *, int );\n";
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}
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}
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if ($d->{DATA}{TYPE} eq "UNION") {
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$res .= "NTSTATUS ndr_push_$d->{NAME}(struct ndr_push *, int, int, union $d->{NAME} *);\n";
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$res .= "NTSTATUS ndr_pull_$d->{NAME}(struct ndr_pull *, int, int, union $d->{NAME} *);\n";
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if (!util::has_property($d->{DATA}, "noprint")) {
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$res .= "void ndr_print_$d->{NAME}(struct ndr_print *, const char *, int, union $d->{NAME} *);\n";
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}
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}
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}
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#####################################################################
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# parse a typedef
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sub HeaderConst($)
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{
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my($const) = shift;
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$res .= "#define $const->{NAME}\t( $const->{VALUE} )\n";
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}
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#####################################################################
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# parse a function
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sub HeaderFunctionInOut($$)
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{
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my($fn) = shift;
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my($prop) = shift;
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foreach my $e (@{$fn->{DATA}}) {
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if (util::has_property($e, $prop)) {
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HeaderElement($e);
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}
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}
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}
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#####################################################################
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# determine if we need an "in" or "out" section
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sub HeaderFunctionInOut_needed($$)
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{
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my($fn) = shift;
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my($prop) = shift;
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if ($prop eq "out" && $fn->{RETURN_TYPE} && $fn->{RETURN_TYPE} ne "void") {
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return 1;
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}
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foreach my $e (@{$fn->{DATA}}) {
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if (util::has_property($e, $prop)) {
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return 1;
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}
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}
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return undef;
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}
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#####################################################################
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# parse a function
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sub HeaderFunction($)
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{
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my($fn) = shift;
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$res .= "\nstruct $fn->{NAME} {\n";
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$tab_depth++;
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my $needed = 0;
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if (HeaderFunctionInOut_needed($fn, "in")) {
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tabs();
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$res .= "struct {\n";
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$tab_depth++;
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HeaderFunctionInOut($fn, "in");
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$tab_depth--;
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tabs();
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$res .= "} in;\n\n";
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$needed++;
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}
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if (HeaderFunctionInOut_needed($fn, "out")) {
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tabs();
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$res .= "struct {\n";
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$tab_depth++;
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HeaderFunctionInOut($fn, "out");
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if ($fn->{RETURN_TYPE} && $fn->{RETURN_TYPE} ne "void") {
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tabs();
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$res .= "$fn->{RETURN_TYPE} result;\n";
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}
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$tab_depth--;
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tabs();
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$res .= "} out;\n\n";
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$needed++;
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}
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if (! $needed) {
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# sigh - some compilers don't like empty structures
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tabs();
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$res .= "int _dummy_element;\n";
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}
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$tab_depth--;
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$res .= "};\n\n";
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}
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#####################################################################
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# output prototypes for a IDL function
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sub HeaderFnProto($)
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{
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my $fn = shift;
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my $name = $fn->{NAME};
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return if (util::has_property($fn, "call_as") );
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my $objarg = "";
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if (util::has_property($fn, "object")) {
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$objarg = ", struct GUID *";
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}
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$res .= "void ndr_print_$name(struct ndr_print *, const char *, int, struct $name *);\n";
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$res .= "struct rpc_request *dcerpc_$name\_send(struct dcerpc_pipe *$objarg, TALLOC_CTX *, struct $name *);\n";
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$res .= "NTSTATUS dcerpc_$name(struct dcerpc_pipe *$objarg, TALLOC_CTX *, struct $name *);\n";
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$res .= "\n";
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}
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#####################################################################
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# parse the interface definitions
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sub HeaderInterface($)
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{
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my($interface) = shift;
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my($data) = $interface->{DATA};
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my $count = 0;
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$res .= "#ifndef _HEADER_NDR_$interface->{NAME}\n";
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$res .= "#define _HEADER_NDR_$interface->{NAME}\n\n";
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if (defined $interface->{PROPERTIES}->{depends}) {
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my @d = split / /, $interface->{PROPERTIES}->{depends};
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foreach my $i (@d) {
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$res .= "#include \"librpc/gen_ndr/ndr_$i\.h\"\n";
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}
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}
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if (defined $interface->{PROPERTIES}->{uuid}) {
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my $name = uc $interface->{NAME};
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$res .= "#define DCERPC_$name\_UUID " .
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util::make_str($interface->{PROPERTIES}->{uuid}) . "\n";
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if(!defined $interface->{PROPERTIES}->{version}) { $interface->{PROPERTIES}->{version} = "0.0"; }
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$res .= "#define DCERPC_$name\_VERSION $interface->{PROPERTIES}->{version}\n";
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$res .= "#define DCERPC_$name\_NAME \"$interface->{NAME}\"\n";
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if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
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$res .= "#define DCERPC_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}\n";
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$res .= "\nextern const struct dcerpc_interface_table dcerpc_table_$interface->{NAME};\n";
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$res .= "NTSTATUS dcerpc_server_$interface->{NAME}_init(void);\n\n";
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}
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foreach my $d (@{$data}) {
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if ($d->{TYPE} eq "FUNCTION") {
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my $u_name = uc $d->{NAME};
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$res .= "#define DCERPC_$u_name " . sprintf("0x%02x", $count) . "\n";
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$count++;
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}
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}
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$res .= "\n\n";
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foreach my $d (@{$data}) {
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($d->{TYPE} eq "CONST") &&
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HeaderConst($d);
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($d->{TYPE} eq "TYPEDEF") &&
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HeaderTypedef($d);
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($d->{TYPE} eq "TYPEDEF") &&
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HeaderTypedefProto($d);
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($d->{TYPE} eq "FUNCTION") &&
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HeaderFunction($d);
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($d->{TYPE} eq "FUNCTION") &&
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HeaderFnProto($d);
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}
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$res .= "#endif /* _HEADER_NDR_$interface->{NAME} */\n";
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}
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#####################################################################
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# parse a parsed IDL into a C header
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sub Parse($)
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{
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my($idl) = shift;
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$tab_depth = 0;
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$res = "/* header auto-generated by pidl */\n\n";
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foreach my $x (@{$idl}) {
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if ($x->{TYPE} eq "INTERFACE") {
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needed::BuildNeeded($x);
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HeaderInterface($x);
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}
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}
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return $res;
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}
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1;
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