# HG changeset patch
# User Max Samukha <maxter@spambox.com>
# Date 1275509984 -10800
# Node ID 2013af5d06278f843de740c913c62e3b3ac01256
# Parent  a3f5c10414f369eb253094fec5258887477e1a4a
Aded Core.d

diff -r a3f5c10414f3 -r 2013af5d0627 d2/qtd/Core.d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/d2/qtd/Core.d	Wed Jun 02 23:19:44 2010 +0300
@@ -0,0 +1,50 @@
+module qtd.Core;
+
+import
+    qtd.ctfe.Format,
+    std.stdio;
+
+T static_cast(T, U)(U obj)
+{
+    return cast(T)cast(void*)obj;
+}
+
+enum qtdExtern = "extern (C)";
+
+extern(C) alias void function() VoidFunc;
+extern(C) void qtd_initCore();
+
+immutable Object qtdMoLock;
+
+static this()
+{
+    qtdMoLock = cast(immutable)new Object;
+    qtd_initCore();
+}
+
+/**
+    Defines a function that can be called from QtD C++ libraries,
+    which will register the function with the DLL at program startup.
+ */
+string qtdExport(string retType, string name, string args, string funcBody)
+{
+    string ret;
+    version (cpp_shared) // TODO: cpp_shared implies Windows, which is not correct
+    {
+        // TODO: hackery to workaround a dmd/optlink bug corrupting symbol names
+        // when a direct function pointer export is used
+        ret ~= format_ctfe(
+            "    ${4} ${0} qtd_export_${1}(${2}) { ${3} }\n"
+            "    ${4} export void qtd_set_${1}(VoidFunc func);\n"
+            "    static this() { qtd_set_${1}(cast(VoidFunc)&qtd_export_${1}); }\n",
+            retType, name, args, funcBody, qtdExtern);
+    }
+    else
+    {
+        ret = format_ctfe(
+            "${4} ${0} qtd_${1}(${2}) { ${3} }\n",
+            retType, name, args, funcBody, qtdExtern);
+    }
+
+    return ret;
+}