From 95baaba31c3f906d10fc8d67433b4cf10fa71d1d Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sat, 24 Nov 2001 11:29:42 +0000
Subject: forgot a file (This used to be commit
 39e8894fb22da6c60cb8306d5ec4b1e868f0dd77)

---
 source4/build/pidl/parser.pm | 145 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 source4/build/pidl/parser.pm

diff --git a/source4/build/pidl/parser.pm b/source4/build/pidl/parser.pm
new file mode 100644
index 0000000000..cad4d10d42
--- /dev/null
+++ b/source4/build/pidl/parser.pm
@@ -0,0 +1,145 @@
+###################################################
+# C parser generator for IDL structures
+# Copyright tridge@samba.org 2000
+# released under the GNU GPL
+
+package IdlParser;
+
+use Data::Dumper;
+
+my($res);
+
+#####################################################################
+# dump a properties list
+sub DumpProperties($)
+{
+    my($props) = shift;
+    foreach my $d (@{$props}) {
+	if (ref($d) ne "HASH") {
+	    $res .= "[$d] ";
+	} else {
+	    foreach my $k (keys %{$d}) {
+		$res .= "[$k($d->{$k})] ";
+	    }
+	}
+    }
+}
+
+#####################################################################
+# dump a structure element
+sub DumpElement($)
+{
+    my($element) = shift;
+    (defined $element->{PROPERTIES}) && DumpProperties($element->{PROPERTIES});
+    DumpType($element->{TYPE});
+    $res .= " ";
+    if ($element->{POINTERS}) {
+	for (my($i)=0; $i < $element->{POINTERS}; $i++) {
+	    $res .= "*";
+	}
+    }
+    $res .= "$element->{NAME}";
+    (defined $element->{ARRAY_LEN}) && ($res .= "[$element->{ARRAY_LEN}]");
+}
+
+#####################################################################
+# dump a struct
+sub DumpStruct($)
+{
+    my($struct) = shift;
+    $res .= "struct {\n";
+    if (defined $struct->{ELEMENTS}) {
+	foreach my $e (@{$struct->{ELEMENTS}}) {
+	    DumpElement($e);
+	    $res .= ";\n";
+	}
+    }
+    $res .= "}";
+}
+
+
+#####################################################################
+# dump a union element
+sub DumpUnionElement($)
+{
+    my($element) = shift;
+    $res .= "[case($element->{CASE})] ";
+    DumpElement($element->{DATA});
+    $res .= ";\n";
+}
+
+#####################################################################
+# dump a union
+sub DumpUnion($)
+{
+    my($union) = shift;
+    (defined $union->{PROPERTIES}) && DumpProperties($union->{PROPERTIES});
+    $res .= "union {\n";
+    foreach my $e (@{$union->{DATA}}) {
+	DumpUnionElement($e);
+    }
+    $res .= "}";
+}
+
+#####################################################################
+# dump a type
+sub DumpType($)
+{
+    my($data) = shift;
+    if (ref($data) eq "HASH") {
+	($data->{TYPE} eq "STRUCT") &&
+	    DumpStruct($data);
+	($data->{TYPE} eq "UNION") &&
+	    DumpUnion($data);
+    } else {
+	$res .= "$data";
+    }
+}
+
+#####################################################################
+# dump a typedef
+sub DumpTypedef($)
+{
+    my($typedef) = shift;
+    $res .= "typedef ";
+    DumpType($typedef->{DATA});
+    $res .= " $typedef->{NAME};\n\n";
+}
+
+#####################################################################
+# dump a function
+sub DumpFunction($)
+{ 
+    my($function) = shift;
+    $res .= "/* ignoring function $function->{NAME} */\n";
+}
+
+#####################################################################
+# dump the interface definitions
+sub DumpInterface($)
+{
+    my($interface) = shift;
+    my($data) = $interface->{DATA};
+    foreach my $d (@{$data}) {
+	($d->{TYPE} eq "TYPEDEF") &&
+	    DumpTypedef($d);
+	($d->{TYPE} eq "FUNCTION") && 
+	    DumpFunction($d);
+    }
+}
+
+
+#####################################################################
+# dump a parsed IDL structure back into an IDL file
+sub Dump($)
+{
+    my($idl) = shift;
+    $res = "/* parser auto-generated by pidl */\n\n";
+    foreach my $x (@{$idl}) {
+	($x->{TYPE} eq "INTERFACE") && 
+	    DumpInterface($x);
+    }
+    return $res;
+}
+
+1;
-- 
cgit