IFの構文解析

2015-06-06 17:11:02 +09:00
parent 2eaab2ef55
commit 5cab924046
6 changed files with 160 additions and 10 deletions
--- a/SMILEBASIC/node.d
+++ b/SMILEBASIC/node.d
@@ -20,6 +20,7 @@ enum NodeType
    Print,
    Label,
    Goto,
+    If,
 }
 abstract class Node
 {
@@ -191,3 +192,16 @@ class Goto : Statement
        this.label = name;
    }
 }
+class If : Statement
+{
+    Expression condition;
+    Statements then;
+    Statements else_;
+    this(Expression condition, Statements t, Statements e)
+    {
+        this.type = NodeType.If;
+        this.condition = condition;
+        this.then = t;
+        this.else_ = e;
+    }
+}