diff options
Diffstat (limited to 'source4/build/pidl/ndr.pm')
| -rw-r--r-- | source4/build/pidl/ndr.pm | 78 |
1 files changed, 63 insertions, 15 deletions
diff --git a/source4/build/pidl/ndr.pm b/source4/build/pidl/ndr.pm index d63af9202c..9ab94f7f98 100644 --- a/source4/build/pidl/ndr.pm +++ b/source4/build/pidl/ndr.pm @@ -95,6 +95,56 @@ sub pointer_type($) return undef; } +# return 1 if this is a fixed array +sub is_fixed_array($) +{ + my $e = shift; + my $len = $e->{"ARRAY_LEN"}; + if (defined $len && util::is_constant($len)) { + return 1; + } + return 0; +} + +# return 1 if this is a conformant array +sub is_conformant_array($) +{ + my $e = shift; + return defined($e->{CONFORMANT_SIZE}); +} + +# return 1 if this is a inline array +sub is_inline_array($) +{ + my $e = shift; + my $len = $e->{"ARRAY_LEN"}; + if (is_fixed_array($e) || + defined $len && $len ne "*") { + return 1; + } + return 0; +} + +sub is_varying_array($) +{ + my $e = shift; + return 1 if (util::has_property($e, "length_is")); + return 0; +} + +sub array_type($) +{ + my $e = shift; + + return "conformant-varying" if (is_varying_array($e) and is_conformant_array($e)); + return "conformant" if (is_varying_array($e)); + return "varying" if (is_varying_array($e)); + return "inline" if (is_inline_array($e)); + return "fixed" if (is_fixed_array($e)); + + return undef; +} + # determine if an element needs a reference pointer on the wire # in its NDR representation sub need_wire_pointer($) @@ -143,7 +193,6 @@ sub need_alloc($) return 0; } - # determine the C prefix used to refer to a variable when passing to a push # function. This will be '*' for pointers to scalar types, '' for scalar # types and normal pointers and '&' for pass-by-reference structures @@ -167,7 +216,6 @@ sub c_push_prefix($) return ""; } - # determine the C prefix used to refer to a variable when passing to a pull # return '&' or '' sub c_pull_prefix($) @@ -382,9 +430,9 @@ sub ParseArrayPush($$$) my $size = ParseExpr($e, util::array_size($e), $var_prefix); - if (defined $e->{CONFORMANT_SIZE}) { + if (is_conformant_array($e) ) { # the conformant size has already been pushed - } elsif (!util::is_inline_array($e)) { + } elsif (!is_inline_array($e)) { # we need to emit the array size pidl "NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, $size));"; } @@ -430,7 +478,7 @@ sub CheckArraySizes($$) my $e = shift; my $var_prefix = shift; - if (!defined $e->{CONFORMANT_SIZE} && + if (!is_conformant_array($e) && util::has_property($e, "size_is")) { my $size = ParseExpr($e, util::array_size($e), $var_prefix); pidl "if ($var_prefix$e->{NAME}) {"; @@ -465,7 +513,7 @@ sub ParseArrayPull($$$) # if this is a conformant array then we use that size to allocate, and make sure # we allocate enough to pull the elements - if (defined $e->{CONFORMANT_SIZE}) { + if (is_conformant_array($e)) { $alloc_size = $e->{CONFORMANT_SIZE}; check_null_pointer($size); pidl "if ($size > $alloc_size) {"; @@ -473,7 +521,7 @@ sub ParseArrayPull($$$) pidl "return ndr_pull_error(ndr, NDR_ERR_CONFORMANT_SIZE, \"Bad conformant size %u should be %u\", $alloc_size, $size);"; deindent; pidl "}"; - } elsif (!util::is_inline_array($e)) { + } elsif (!is_inline_array($e)) { if ($var_prefix =~ /^r->out/ && $size =~ /^\*r->in/) { my $size2 = substr($size, 1); pidl "if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) { NDR_ALLOC(ndr, $size2); }"; @@ -484,15 +532,15 @@ sub ParseArrayPull($$$) $alloc_size = "ndr_get_array_size(ndr, &$var_prefix$e->{NAME})"; } - if ((need_alloc($e) && !util::is_fixed_array($e)) || + if ((need_alloc($e) && !is_fixed_array($e)) || ($var_prefix eq "r->in." && util::has_property($e, "ref"))) { - if (!util::is_inline_array($e) || $ndr_flags eq "NDR_SCALARS") { + if (!is_inline_array($e) || $ndr_flags eq "NDR_SCALARS") { pidl "NDR_ALLOC_N(ndr, $var_prefix$e->{NAME}, $alloc_size);"; } } if (($var_prefix eq "r->out." && util::has_property($e, "ref"))) { - if (!util::is_inline_array($e) || $ndr_flags eq "NDR_SCALARS") { + if (!is_inline_array($e) || $ndr_flags eq "NDR_SCALARS") { pidl "if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {"; indent; pidl "NDR_ALLOC_N(ndr, $var_prefix$e->{NAME}, $alloc_size);"; @@ -532,7 +580,7 @@ sub ParseElementPushScalar($$$) if (util::has_property($e, "relative")) { pidl "NDR_CHECK(ndr_push_relative_ptr1(ndr, $var_prefix$e->{NAME}));"; - } elsif (util::is_inline_array($e)) { + } elsif (is_inline_array($e)) { ParseArrayPush($e, "r->", "NDR_SCALARS"); } elsif (need_wire_pointer($e)) { ParseElementPushPtr($e, $var_prefix, $ndr_flags); @@ -581,7 +629,7 @@ sub ParseElementPrintScalar($$) pidl "}"; } - if (util::is_fixed_array($e)) { + if (is_fixed_array($e)) { ParseElementPrintBuffer($e, $var_prefix); } elsif ($e->{POINTERS} || util::array_size($e)) { pidl "ndr_print_ptr(ndr, \"$e->{NAME}\", $var_prefix$e->{NAME});"; @@ -720,7 +768,7 @@ sub ParseElementPullScalar($$$) start_flags($e); - if (util::is_inline_array($e)) { + if (is_inline_array($e)) { ParseArrayPull($e, "r->", "NDR_SCALARS"); } elsif (need_wire_pointer($e)) { ParseElementPullPtr($e, $var_prefix, $ndr_flags); @@ -788,7 +836,7 @@ sub ParseElementPushBuffer($$$) } } - if (util::is_inline_array($e)) { + if (is_inline_array($e)) { ParseArrayPush($e, "r->", "NDR_BUFFERS"); } elsif (util::array_size($e)) { ParseArrayPush($e, "r->", "NDR_SCALARS|NDR_BUFFERS"); @@ -869,7 +917,7 @@ sub ParseElementPullBuffer($$$) } } - if (util::is_inline_array($e)) { + if (is_inline_array($e)) { ParseArrayPull($e, "r->", "NDR_BUFFERS"); } elsif (util::array_size($e)) { ParseArrayPull($e, "r->", "NDR_SCALARS|NDR_BUFFERS"); |