[PATCH] tools/widl/header.c: Add a way to declare interface data members.

[max at mtew.isa-geek.net]

From: Max TenEyck Woodbury <max+git at mtew.isa-geek.net>

---
 tools/widl/header.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/tools/widl/header.c b/tools/widl/header.c
index 2f275c7..965dcbc 100644
--- a/tools/widl/header.c
+++ b/tools/widl/header.c
@@ -1159,6 +1159,17 @@ static void write_com_interface_start(FILE *header, const type_t *iface)
   fprintf(header,"#define __%s_%sINTERFACE_DEFINED__\n\n", iface->name, dispinterface ? "DISP" : "");
 }
 
+static void write_interface_data_macro(FILE *header, const type_t *iface)
+{
+
+  if (type_iface_get_inherit(iface))
+    write_interface_data_macro(header, type_iface_get_inherit(iface));
+
+  fprintf(header, "#ifdef %s_IFACE_DATA\n", iface->name);
+  fprintf(header, "    %s_IFACE_DATA\n", iface->name);
+  fprintf(header, "#endif /* defined %s */\n", iface->name);
+}
+
 static void write_com_interface_end(FILE *header, type_t *iface)
 {
   int dispinterface = is_attr(iface->attrs, ATTR_DISPINTERFACE);
@@ -1214,6 +1225,9 @@ static void write_com_interface_end(FILE *header, type_t *iface)
   fprintf(header, "} %sVtbl;\n", iface->name);
   fprintf(header, "interface %s {\n", iface->name);
   fprintf(header, "    CONST_VTBL %sVtbl* lpVtbl;\n", iface->name);
+
+  write_interface_data_macro(header, iface);
+
   fprintf(header, "};\n");
   fprintf(header, "\n");
   fprintf(header, "#ifdef COBJMACROS\n");
-- 
1.7.7.6