1 files changed, 119 insertions, 0 deletions
diff --git a/src/main/java/io/devnulllabs/openjava/mop/ClosedEnvironment.java b/src/main/java/io/devnulllabs/openjava/mop/ClosedEnvironment.java
new file mode 100644
index 0000000..d4529e8
--- /dev/null
+++ b/src/main/java/io/devnulllabs/openjava/mop/ClosedEnvironment.java
@@ -0,0 +1,119 @@
+/*
+ * ClosedEnvironment.java
+ *
+ * comments here.
+ *
+ * @author   Michiaki Tatsubori
+ * @version  %VERSION% %DATE%
+ * @see      java.lang.Object
+ *
+ * COPYRIGHT 1998 by Michiaki Tatsubori, ALL RIGHTS RESERVED.
+ */
+package io.devnulllabs.openjava.mop;
+
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.Hashtable;
+
+import io.devnulllabs.openjava.tools.DebugOut;
+
+
+/**
+ * The class <code>ClosedEnvironment</code>
+ * <p>
+ * For example
+ * <pre>
+ * </pre>
+ * <p>
+ *
+ * @author   Michiaki Tatsubori
+ * @version  1.0
+ * @since    $Id: ClosedEnvironment.java,v 1.2 2003/02/19 02:55:01 tatsubori Exp $
+ * @see java.lang.Object
+ */
+public class ClosedEnvironment extends Environment
+{
+    protected Hashtable table = new Hashtable();
+    protected Hashtable symbol_table = new Hashtable();
+
+    /**
+     *
+     *
+     * @param
+     * @return
+     * @exception
+     * @see java.lang.Object
+     */
+    public ClosedEnvironment( Environment env ) {
+        parent = env;
+    }
+
+    public String toString() {
+        StringWriter str_writer = new StringWriter();
+        PrintWriter out = new PrintWriter( str_writer );
+
+    out.println( "ClosedEnvironment" );
+        out.println( "class object table : " + table );
+        out.println( "binding table : " + symbol_table );
+    out.println( "parent env : " + parent );
+
+        out.flush();
+        return str_writer.toString();
+    }
+
+    public void record( String name, OJClass clazz ) {
+    DebugOut.println( "ClosedEnvironment#record() : "
+             + name + " "  + clazz.getName() );
+        Object result = table.put( name, clazz );
+        if (result != null) {
+          System.err.println( name + " is already binded on "
+                 + result.toString() );
+        }
+    }
+
+    public OJClass lookupClass( String name ) {
+    OJClass result = (OJClass) table.get( name );
+    if (result != null)  return result;
+        return parent.lookupClass( name );
+    }
+
+    /**
+     * binds a name to the class type.
+     *
+     * @param     name            the fully-qualified name of the class
+     * @param     clazz           the class object associated with that name
+     */
+    public void bindVariable( String name, OJClass clazz ) {
+    symbol_table.put( name, clazz );
+    }
+
+    public OJClass lookupBind( String name ) {
+    OJClass type = (OJClass) symbol_table.get( name );
+    if (type != null)  return type;
+    if (parent == null)  return null;
+    return parent.lookupBind( name );
+    }
+
+    /*
+    public String toQualifiedName(String name) {
+        if (name.indexOf('.') == -1) {
+            java.util.Enumeration ite = table.keys();
+            while (ite.hasMoreElements()) {
+                String qname = (String) ite.nextElement();
+                if (qname.endsWith("." + name))  return qname;
+            }
+        }
+        return parent.toQualifiedName(name);
+    }
+    */
+    public String toQualifiedName(String name) {
+        java.util.Enumeration ite = table.keys();
+        while (ite.hasMoreElements()) {
+            String qname = (String) ite.nextElement();
+            if (qname.equals(name))  return qname;
+        }
+        return parent.toQualifiedName(name);
+    }
+
+}