init

SMILEBASIC/node.d

@@ -0,0 +1,38 @@
+module otya.smilebasic.node;
+import otya.smilebasic.type;
+import otya.smilebasic.token;
+enum NodeType
+{
+    Node = 0b1,
+    Expression,
+    Constant,
+    BinaryOperator,
+}
+abstract class Node
+{
+    NodeType type;
+}
+abstract class Expression : Node
+{
+}
+class Constant : Expression
+{
+    Value value;
+    this(Value v)
+    {
+        this.value = v;
+    }
+}
+class BinaryOperator : Expression
+{
+    Expression item1;
+    TokenType operator;
+    Expression item2;
+    this(Expression i1, TokenType o, Expression i2)
+    {
+        this.type = NodeType.BinaryOperator;
+        this.item1 = i1;
+        this.operator = o;
+        this.item2 = i2;
+    }
+}