関数呼び出しの実�

SMILEBASIC/node.d

@@ -1,12 +1,17 @@
 module otya.smilebasic.node;
 import otya.smilebasic.type;
 import otya.smilebasic.token;
+import std.container;
+
 enum NodeType
 {
     Node,
     Expression,
     Constant,
     BinaryOperator,
+    Variable,
+    CallFunction,
+    VoidExpression,
 }
 abstract class Node
 {
@@ -49,3 +54,34 @@ class BinaryOperator : Expression
         this.item2 = i2;
     }
 }
+class Variable : Expression
+{
+    wstring name;
+    this(wstring n)
+    {
+        this.type = NodeType.Variable;
+        this.name = n;
+    }
+}
+class CallFunction : Expression
+{
+    wstring name;
+    Expression[] args;
+    this(wstring n)
+    {
+        this.type = NodeType.CallFunction;
+        this.name = n;
+        args = new Expression[0];
+    }
+    void addArg(Expression arg)
+    {
+        args ~= arg;
+    }
+}
+class VoidExpression : Expression
+{
+    this()
+    {
+        this.type = NodeType.VoidExpression;
+    }
+}