1 files changed, 87 insertions, 0 deletions
diff --git a/src/main/java/io/devnulllabs/openjava/ptree/ArrayAccess.java b/src/main/java/io/devnulllabs/openjava/ptree/ArrayAccess.java
new file mode 100644
index 0000000..9de3779
--- /dev/null
+++ b/src/main/java/io/devnulllabs/openjava/ptree/ArrayAccess.java
@@ -0,0 +1,87 @@
+/*
+ * ArrayAccess.java 1.0
+ *
+ * Jun 20, 1997 by mich
+ * Sep 29, 1997 by bv
+ * Oct 10, 1997 by mich
+ *
+ * @see io.devnulllabs.openjava.ptree.ParseTree
+ * @version 1.0 last updated:  Oct 10, 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>ArrayAccess</code> represents
+ * an array access.
+ * <p>
+ * An array access is like :
+ * <br><blockquote><pre>
+ *     a.m[i + 1]
+ * </pre></blockquote><br>
+ * In this array access expression,
+ * you can get <code>a.m</code> by <code>getReferenceExpr()</code>
+ * and can get <code>i + 1</code> by <code>getIndexExpr()</code> .
+ *
+ * @see io.devnulllabs.openjava.ptree.Expression
+ */
+public class ArrayAccess extends NonLeaf implements Expression {
+    public ArrayAccess(Expression expr, Expression index_expr) {
+        super();
+        set(expr, index_expr);
+    }
+
+    ArrayAccess() {
+        super();
+    }
+
+    /**
+     * Gets the expression of array.
+     *
+     * @return  the experssion accessed as array.
+     */
+    public Expression getReferenceExpr() {
+        return (Expression) elementAt(0);
+    }
+
+    /**
+     * Sets the expression accessed as array.
+     *
+     * @param  expr  the experssion of array.
+     */
+    public void setReferenceExpr(Expression expr) {
+        setElementAt(expr, 0);
+    }
+
+    /**
+     * Gets the dimexpr list.
+     *
+     * @return  the dimexpr list.
+     */
+    public Expression getIndexExpr() {
+        return (Expression) elementAt(1);
+    }
+
+    /**
+     * Sets the dimexpr list.
+     *
+     * @param  dimexprs  the dimexpr list.
+     */
+    public void setIndexExpr(Expression dimexprs) {
+        setElementAt(dimexprs, 1);
+    }
+
+    public void accept(ParseTreeVisitor v) throws ParseTreeException {
+        v.visit(this);
+    }
+
+    public OJClass getType(Environment env) throws Exception {
+        OJClass reftype = getReferenceExpr().getType(env);
+        return reftype.getComponentType();
+    }
+
+}