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-rw-r--r--source4/pidl/lib/Parse/Pidl/Samba4/Python.pm50
1 files changed, 34 insertions, 16 deletions
diff --git a/source4/pidl/lib/Parse/Pidl/Samba4/Python.pm b/source4/pidl/lib/Parse/Pidl/Samba4/Python.pm
index b5ae801ff8..60d0dafc8a 100644
--- a/source4/pidl/lib/Parse/Pidl/Samba4/Python.pm
+++ b/source4/pidl/lib/Parse/Pidl/Samba4/Python.pm
@@ -21,7 +21,7 @@ $VERSION = '0.01';
sub new($) {
my ($class) = @_;
my $self = { res => "", res_hdr => "", tabs => "", constants => {},
- module_methods => [], module_objects => [], module_types => [],
+ module_methods => [], module_objects => [], ready_types => [],
readycode => [] };
bless($self, $class);
}
@@ -108,7 +108,7 @@ sub FromUnionToPythonFunction($$$$)
$self->indent;
if ($e->{NAME}) {
- $self->ConvertObjectToPython($mem_ctx, {}, $e, "$name->$e->{NAME}", "ret");
+ $self->ConvertObjectToPython($mem_ctx, {}, $e, "$name->$e->{NAME}", "ret", "return NULL;");
} else {
$self->pidl("ret = Py_None;");
}
@@ -182,7 +182,7 @@ sub PythonStruct($$$$$$)
$self->indent;
$self->pidl("$cname *object = py_talloc_get_ptr(obj);");
$self->pidl("PyObject *py_$e->{NAME};");
- $self->ConvertObjectToPython("py_talloc_get_mem_ctx(obj)", $env, $e, $varname, "py_$e->{NAME}");
+ $self->ConvertObjectToPython("py_talloc_get_mem_ctx(obj)", $env, $e, $varname, "py_$e->{NAME}", "return NULL;");
$self->pidl("return py_$e->{NAME};");
$self->deindent;
$self->pidl("}");
@@ -383,7 +383,7 @@ sub PythonFunctionUnpackOut($$$)
next if ($metadata_args->{out}->{$e->{NAME}});
my $py_name = "py_$e->{NAME}";
if (grep(/out/,@{$e->{DIRECTION}})) {
- $self->ConvertObjectToPython("r", $env, $e, "r->out.$e->{NAME}", $py_name);
+ $self->ConvertObjectToPython("r", $env, $e, "r->out.$e->{NAME}", $py_name, "return NULL;");
if ($result_size > 1) {
$self->pidl("PyTuple_SetItem(result, $i, $py_name);");
$i++;
@@ -792,7 +792,13 @@ sub register_module_typeobject($$$)
$self->register_module_object($name, "(PyObject *)$py_name");
- push (@{$self->{module_types}}, [$name, $py_name])
+ $self->check_ready_type($py_name);
+}
+
+sub check_ready_type($$)
+{
+ my ($self, $py_name) = @_;
+ push (@{$self->{ready_types}}, $py_name) unless (grep(/^$py_name$/,@{$self->{ready_types}}));
}
sub register_module_readycode($$)
@@ -1026,14 +1032,24 @@ sub ConvertObjectToPythonData($$$$$)
die("unknown type ".mapTypeName($ctype) . ": $cvar");
}
-sub ConvertObjectToPythonLevel($$$$$)
+sub fail_on_null($$$)
{
- my ($self, $mem_ctx, $env, $e, $l, $var_name, $py_var) = @_;
+ my ($self, $var, $fail) = @_;
+ $self->pidl("if ($var == NULL) {");
+ $self->indent;
+ $self->pidl($fail);
+ $self->deindent;
+ $self->pidl("}");
+}
+
+sub ConvertObjectToPythonLevel($$$$$$)
+{
+ my ($self, $mem_ctx, $env, $e, $l, $var_name, $py_var, $fail) = @_;
my $nl = GetNextLevel($e, $l);
if ($l->{TYPE} eq "POINTER") {
if ($nl->{TYPE} eq "DATA" and Parse::Pidl::Typelist::scalar_is_reference($nl->{DATA_TYPE})) {
- $self->ConvertObjectToPythonLevel($var_name, $env, $e, $nl, $var_name, $py_var);
+ $self->ConvertObjectToPythonLevel($var_name, $env, $e, $nl, $var_name, $py_var, $fail);
return;
}
if ($l->{POINTER_TYPE} ne "ref") {
@@ -1044,7 +1060,7 @@ sub ConvertObjectToPythonLevel($$$$$)
$self->pidl("} else {");
$self->indent;
}
- $self->ConvertObjectToPythonLevel($var_name, $env, $e, $nl, get_value_of($var_name), $py_var);
+ $self->ConvertObjectToPythonLevel($var_name, $env, $e, $nl, get_value_of($var_name), $py_var, $fail);
if ($l->{POINTER_TYPE} ne "ref") {
$self->deindent;
$self->pidl("}");
@@ -1067,6 +1083,7 @@ sub ConvertObjectToPythonLevel($$$$$)
$length = ParseExpr($length, $env, $e);
$self->pidl("$py_var = PyList_New($length);");
+ $self->fail_on_null($py_var, $fail);
$self->pidl("{");
$self->indent;
my $counter = "$e->{NAME}_cntr_$l->{LEVEL_INDEX}";
@@ -1075,7 +1092,7 @@ sub ConvertObjectToPythonLevel($$$$$)
$self->indent;
my $member_var = "py_$e->{NAME}_$l->{LEVEL_INDEX}";
$self->pidl("PyObject *$member_var;");
- $self->ConvertObjectToPythonLevel($var_name, $env, $e, GetNextLevel($e, $l), $var_name."[$counter]", $member_var);
+ $self->ConvertObjectToPythonLevel($var_name, $env, $e, GetNextLevel($e, $l), $var_name."[$counter]", $member_var, $fail);
$self->pidl("PyList_SetItem($py_var, $counter, $member_var);");
$self->deindent;
$self->pidl("}");
@@ -1086,6 +1103,8 @@ sub ConvertObjectToPythonLevel($$$$$)
$var_name = get_pointer_to($var_name);
my $switch = ParseExpr($l->{SWITCH_IS}, $env, $e);
$self->pidl("$py_var = py_import_" . GetNextLevel($e, $l)->{DATA_TYPE} . "($mem_ctx, $switch, $var_name);");
+ $self->fail_on_null($py_var, $fail);
+
} elsif ($l->{TYPE} eq "DATA") {
if (not Parse::Pidl::Typelist::is_scalar($l->{DATA_TYPE})) {
$var_name = get_pointer_to($var_name);
@@ -1093,7 +1112,7 @@ sub ConvertObjectToPythonLevel($$$$$)
my $conv = $self->ConvertObjectToPythonData($mem_ctx, $l->{DATA_TYPE}, $var_name);
$self->pidl("$py_var = $conv;");
} elsif ($l->{TYPE} eq "SUBCONTEXT") {
- $self->ConvertObjectToPythonLevel($mem_ctx, $env, $e, GetNextLevel($e, $l), $var_name, $py_var);
+ $self->ConvertObjectToPythonLevel($mem_ctx, $env, $e, GetNextLevel($e, $l), $var_name, $py_var, $fail);
} else {
die("Unknown level type $l->{TYPE} $var_name");
}
@@ -1101,9 +1120,9 @@ sub ConvertObjectToPythonLevel($$$$$)
sub ConvertObjectToPython($$$$$$)
{
- my ($self, $mem_ctx, $env, $ctype, $cvar, $py_var) = @_;
+ my ($self, $mem_ctx, $env, $ctype, $cvar, $py_var, $fail) = @_;
- $self->ConvertObjectToPythonLevel($mem_ctx, $env, $ctype, $ctype->{LEVELS}[0], $cvar, $py_var);
+ $self->ConvertObjectToPythonLevel($mem_ctx, $env, $ctype, $ctype->{LEVELS}[0], $cvar, $py_var, $fail);
}
sub Parse($$$$$)
@@ -1153,9 +1172,8 @@ sub Parse($$$$$)
$self->pidl("PyObject *m;");
$self->pidl("");
- foreach (@{$self->{module_types}}) {
- my ($object_name, $c_name) = @$_;
- $self->pidl("if (PyType_Ready($c_name) < 0)");
+ foreach (@{$self->{ready_types}}) {
+ $self->pidl("if (PyType_Ready($_) < 0)");
$self->pidl("\treturn;");
}