VMを定義,文の構文木のクラスを定義

SMILEBASIC/VM.d

@@ -0,0 +1,38 @@
+module otya.smilebasic.VM;
+class VM
+{
+}
+enum CodeType
+{
+    PushI,
+    PushD,
+    PushS,
+    Operate,
+    Return,
+    Goto,
+    Gosub,
+}
+abstract class Code
+{
+    CodeType type;
+    abstract void execute(VM vm);
+}
+/*
+* スタックにPush
+*/
+class Push : Code
+{
+
+}
+class Operate : Code
+{
+
+}
+class Goto : Code
+{
+
+}
+class Gosub : Code
+{
+
+}