From c4b7585288095cb9459feb237a9581ba30b850d0 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sun, 16 Nov 2003 13:48:05 +0000
Subject:  * the beginnings of non-constant fixed arrays

 * added relative pointers support
(This used to be commit 4a34a4f29cf8ab79582ce7b503da907df7b4d209)
---
 source4/build/pidl/header.pm | 10 +++++++---
 source4/build/pidl/idl.gram  |  9 ++++++---
 source4/build/pidl/parser.pm | 16 +++++++++++++---
 source4/build/pidl/util.pm   | 13 ++++++++++++-
 4 files changed, 38 insertions(+), 10 deletions(-)

(limited to 'source4/build/pidl')

diff --git a/source4/build/pidl/header.pm b/source4/build/pidl/header.pm
index e5acad2a63..7f7f2db977 100644
--- a/source4/build/pidl/header.pm
+++ b/source4/build/pidl/header.pm
@@ -59,13 +59,14 @@ sub HeaderElement($)
 		    $res .= "*";
 	    }
     }
-    if (defined $element->{ARRAY_LEN} && $element->{ARRAY_LEN} eq "*") {
+    if (defined $element->{ARRAY_LEN} && 
+	!util::is_constant($element->{ARRAY_LEN})) {
 	    # conformant arrays are ugly! I choose to implement them with
 	    # pointers instead of the [1] method
 	    $res .= "*";
     }
     $res .= "$element->{NAME}";
-    if (defined $element->{ARRAY_LEN} && $element->{ARRAY_LEN} ne "*") {
+    if (defined $element->{ARRAY_LEN} && util::is_constant($element->{ARRAY_LEN})) {
 	    $res .= "[$element->{ARRAY_LEN}]";
     }
     $res .= ";\n";
@@ -128,7 +129,7 @@ sub HeaderType($$$)
 	}
 	if ($data =~ "unistr") {
 		$res .= "const char";
-	} elsif ($data =~ "relstr") {
+	} elsif ($data =~ "nstring") {
 		$res .= "const char *";
 	} elsif (util::is_scalar_type($data)) {
 		$res .= "$data";
@@ -198,6 +199,9 @@ sub HeaderInterface($)
     my($interface) = shift;
     my($data) = $interface->{DATA};
     foreach my $d (@{$data}) {
+	    if (!defined $d->{TYPE}) {
+		    print Dumper $d;
+	    }
 	($d->{TYPE} eq "TYPEDEF") &&
 	    HeaderTypedef($d);
 	($d->{TYPE} eq "FUNCTION") && 
diff --git a/source4/build/pidl/idl.gram b/source4/build/pidl/idl.gram
index 1e96431e47..f340b9787e 100644
--- a/source4/build/pidl/idl.gram
+++ b/source4/build/pidl/idl.gram
@@ -78,10 +78,12 @@ base_element: property_list(s?) type pointer(s?) identifier array_len(?)
             | <error>
 
 array_len: 
-	 '[]'
+	 '[' ']'
 	 { "*" }
-	 | '[' <commit> constant ']' 
-         { $item{constant} }
+	 | '[' '*' ']'
+	 { "*" }
+	 | '[' <commit> text ']' 
+         { "$item{text}" }
          | <error?>
 
 element_list1: base_element(s? /;/) ';' 
@@ -105,6 +107,7 @@ property: 'unique'
 	  | 'context_handle'
 	  | 'string'
 	  | 'public'
+	  | 'relative'
 	  | 'subcontext'
 	  | 'byte_count_pointer' '(' expression ')' {{ "$item[1]" => "$item{expression}" }}
           | 'size_is' '(' expression ')' {{ "$item[1]" => "$item{expression}" }}
diff --git a/source4/build/pidl/parser.pm b/source4/build/pidl/parser.pm
index e341d9f216..6037fb3d89 100644
--- a/source4/build/pidl/parser.pm
+++ b/source4/build/pidl/parser.pm
@@ -198,7 +198,9 @@ sub ParseElementPushScalar($$$)
 	my($ndr_flags) = shift;
 	my $cprefix = util::c_push_prefix($e);
 
-	if (my $value = util::has_property($e, "value")) {
+	if (util::has_property($e, "relative")) {
+		$res .= "\tNDR_CHECK(ndr_push_relative(ndr, NDR_SCALARS, $var_prefix$e->{NAME}, (ndr_push_const_fn_t) ndr_push_$e->{TYPE}));\n";
+	} elsif (my $value = util::has_property($e, "value")) {
 		$res .= "\tNDR_CHECK(ndr_push_$e->{TYPE}(ndr, $value));\n";
 	} elsif (defined $e->{VALUE}) {
 		$res .= "\tNDR_CHECK(ndr_push_$e->{TYPE}(ndr, $e->{VALUE}));\n";
@@ -301,7 +303,9 @@ sub ParseElementPullScalar($$$)
 	my($ndr_flags) = shift;
 	my $cprefix = util::c_pull_prefix($e);
 
-	if (defined $e->{VALUE}) {
+	if (util::has_property($e, "relative")) {
+		$res .= "\tNDR_CHECK(ndr_pull_relative(ndr, (const void **)&$var_prefix$e->{NAME}, sizeof(*$var_prefix$e->{NAME}), (ndr_pull_flags_fn_t)ndr_pull_$e->{TYPE}));\n";
+	} elsif (defined $e->{VALUE}) {
 		$res .= "\tNDR_CHECK(ndr_pull_$e->{TYPE}(ndr, $e->{VALUE}));\n";
 	} elsif (util::need_wire_pointer($e)) {
 		$res .= "\tNDR_CHECK(ndr_pull_uint32(ndr, &_ptr_$e->{NAME}));\n";
@@ -344,7 +348,9 @@ sub ParseElementPushBuffer($$$)
 		$res .= "\tif ($var_prefix$e->{NAME}) {\n";
 	}
 	    
-	if (util::array_size($e)) {
+	if (util::has_property($e, "relative")) {
+		$res .= "\tNDR_CHECK(ndr_push_relative(ndr, NDR_BUFFERS, $cprefix$var_prefix$e->{NAME}, (ndr_push_const_fn_t) ndr_push_$e->{TYPE}));\n";
+	} elsif (util::array_size($e)) {
 		ParseArrayPush($e, "r->", "NDR_SCALARS|NDR_BUFFERS");
 	} elsif (my $switch = util::has_property($e, "switch_is")) {
 		if ($e->{POINTERS}) {
@@ -408,6 +414,10 @@ sub ParseElementPullBuffer($$$)
 		return;
 	}
 
+	if (util::has_property($e, "relative")) {
+		return;
+	}
+
 	if (util::need_wire_pointer($e)) {
 		$res .= "\tif ($var_prefix$e->{NAME}) {\n";
 	}
diff --git a/source4/build/pidl/util.pm b/source4/build/pidl/util.pm
index 916ae79d5f..16cb012d0c 100644
--- a/source4/build/pidl/util.pm
+++ b/source4/build/pidl/util.pm
@@ -329,7 +329,7 @@ sub c_pull_prefix($)
 	if ($e->{TYPE} =~ "unistr.*") {
 		return "&";
 	}
-	if ($e->{TYPE} =~ "relstr.*") {
+	if ($e->{TYPE} =~ "nstring.*") {
 		return "&";
 	}
 
@@ -367,6 +367,17 @@ sub is_fixed_array($)
 	return 0;
 }
 
+# return 1 if this is a inline array
+sub is_inline_array($)
+{
+	my $e = shift;
+	my $len = $e->{"ARRAY_LEN"};
+	if (defined $len && $len ne "*") {
+		return 1;
+	}
+	return 0;
+}
+
 sub dump($)
 {
 	print Dumper shift;
-- 
cgit