From ea3e1b949dcbdc09518f17eee0bcf21d41d76896 Mon Sep 17 00:00:00 2001
From: Kenny Ballou <kballou@devnulllabs.io>
Date: Mon, 19 Nov 2018 22:59:50 -0700
Subject: OJ (aka OpenJava) modernization/mirroring

Signed-off-by: Kenny Ballou <kballou@devnulllabs.io>
---
 .../io/devnulllabs/openjava/ptree/Variable.java    | 58 ++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/main/java/io/devnulllabs/openjava/ptree/Variable.java

(limited to 'src/main/java/io/devnulllabs/openjava/ptree/Variable.java')

diff --git a/src/main/java/io/devnulllabs/openjava/ptree/Variable.java b/src/main/java/io/devnulllabs/openjava/ptree/Variable.java
new file mode 100644
index 0000000..cca642f
--- /dev/null
+++ b/src/main/java/io/devnulllabs/openjava/ptree/Variable.java
@@ -0,0 +1,58 @@
+/*
+ * Variable.java 1.0
+ *
+ * This interface is made to type ptree-node into the type
+ * specifier in the body of class.
+ *
+ * Jun 20, 1997 by mich
+ * Sep 29, 1997 by bv
+ * Oct 11, 1997 by mich
+ * Dec 27, 1998 by mich
+ *
+ * @see io.devnulllabs.openjava.ptree.ParseTree
+ * @version 1.0 last updated:  Oct 11, 1997
+ * @author  Michiaki Tatsubori
+ */
+package io.devnulllabs.openjava.ptree;
+
+import io.devnulllabs.openjava.mop.Environment;
+import io.devnulllabs.openjava.mop.OJClass;
+import io.devnulllabs.openjava.ptree.util.ParseTreeVisitor;
+
+/**
+ * The <code>Variable</code> class represents a type specifier
+ * node of parse tree.
+ *
+ * @see io.devnulllabs.openjava.ptree.ParseTree
+ * @see io.devnulllabs.openjava.ptree.NonLeaf
+ */
+public class Variable extends Leaf implements Expression {
+    private static int variableID = 0;
+
+    /**
+     * Allocates a new object.
+     *
+     * @param  name  name of variable
+     */
+    public Variable(String name) {
+        super(name);
+    }
+
+    public OJClass getType(Environment env) throws Exception {
+        return env.lookupBind(toString());
+    }
+
+    /**
+     * Generates an uniquely named variable
+     */
+    public static Variable generateUniqueVariable() {
+        String name = "oj_var" + variableID;
+        ++variableID;
+        return new Variable(name);
+    }
+
+    public void accept(ParseTreeVisitor v) throws ParseTreeException {
+        v.visit(this);
+    }
+
+}
-- 
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