draw.d,systemvariable.dを追加

SMILEBASIC/systemvariable.d

@@ -0,0 +1,37 @@
+module otya.smilebasic.systemvariable;
+import otya.smilebasic.type;
+import otya.smilebasic.error;
+class SystemVariable
+{
+    @property
+        abstract Value value();
+    @property
+        void value(Value value)
+        {
+            throw new TypeMismatch();
+        }
+}
+import std.datetime;
+import std.string;
+import std.conv;
+class Date : SystemVariable
+{
+    @property
+    override Value value()
+    {
+        auto currentTime = Clock.currTime();
+        wstring timeString = format("%04d/%02d/%02d", currentTime.year, currentTime.month, currentTime.day).to!wstring;
+        return Value(timeString);
+    }
+}
+class Time : SystemVariable
+{
+    @property
+    override Value value()
+    {
+        auto currentTime = Clock.currTime();
+        wstring timeString = format("%02d:%02d:%02d", currentTime.hour, currentTime.minute, currentTime.second).to!wstring;
+        return Value(timeString);
+    }
+}
+