diff druntime/src/compiler/ldc/ldc/vararg.d @ 759:d3eb054172f9

Added copy of druntime from DMD 2.020 modified for LDC.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 11 Nov 2008 01:52:37 +0100
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/druntime/src/compiler/ldc/ldc/vararg.d	Tue Nov 11 01:52:37 2008 +0100
@@ -0,0 +1,43 @@
+/*
+ * This module holds the implementation of special vararg templates for D style var args.
+ *
+ * Provides the functions tango.core.Vararg expects to be present!
+ */
+
+module ldc.Vararg;
+
+// Check for the right compiler
+version(LDC)
+{
+    // OK
+}
+else
+{
+    static assert(false, "This module is only valid for LDC");
+}
+
+alias void* va_list;
+
+void va_start(T) ( out va_list ap, inout T parmn )
+{
+    // not needed !
+}
+
+T va_arg(T)(ref va_list vp)
+{
+    T* arg = cast(T*) vp;
+    // ldc always aligns to size_t.sizeof in vararg lists
+    vp = cast(va_list) ( cast(void*) vp + ( ( T.sizeof + size_t.sizeof - 1 ) & ~( size_t.sizeof - 1 ) ) );
+    return *arg;
+}
+
+void va_end( va_list ap )
+{
+    // not needed !
+}
+
+void va_copy( out va_list dst, va_list src )
+{
+    // seems pretty useless !
+    dst = src;
+}