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diff --git a/src/java/com/sun/gluegen/GlueEmitter.java b/src/java/com/sun/gluegen/GlueEmitter.java
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+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ * 
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package com.sun.gluegen;
+
+import java.util.*;
+import com.sun.gluegen.cgram.types.*;
+
+/** Specifies the interface by which GlueGen requests glue code to be
+    generated. Can be replaced to generate glue code for other
+    languages and foreign function interfaces. */
+
+public interface GlueEmitter {
+
+  public void readConfigurationFile(String filename) throws Exception;
+
+  /** Sets the description of the underlying hardware. "md32"
+      specifies the description of a 32-bit version of the underlying
+      CPU architecture. "md64" specifies the description of a 64-bit
+      version of the underlying CPU architecture. At least one must be
+      specified. When both are specified, the bulk of the glue code is
+      generated using the 32-bit machine description, but structs are
+      laid out twice and the base class delegates between the 32-bit
+      and 64-bit implementation at run time. This allows Java code
+      which can access both 32-bit and 64-bit versions of the data
+      structures to be included in the same jar file. <P>
+
+      It is up to the end user to provide the appropriate opaque
+      definitions to ensure that types of varying size (longs and
+      pointers in particular) are exposed to Java in such a way that
+      changing the machine description does not cause different shared
+      glue code to be generated for the 32- and 64-bit ports.
+  */
+  public void setMachineDescription(MachineDescription md32,
+                                    MachineDescription md64);
+
+  /**
+   * Begin the emission of glue code. This might include opening files,
+   * emitting class headers, etc.
+   */
+  public void beginEmission(GlueEmitterControls controls) throws Exception;
+
+  /**
+   * Finish the emission of glue code. This might include closing files,
+   * closing open class definitions, etc.
+   */
+  public void endEmission() throws Exception;
+
+  public void beginDefines() throws Exception;
+  /**
+   * @param optionalComment If optionalComment is non-null, the emitter can
+   * emit that string as a comment providing extra information about the
+   * define.
+   */
+  public void emitDefine(String name, String value, String optionalComment) throws Exception;
+  public void endDefines() throws Exception;
+  
+  public void beginFunctions(TypeDictionary typedefDictionary,
+                             TypeDictionary structDictionary,
+                             Map            canonMap) throws Exception;
+
+  /** Emit glue code for the list of FunctionSymbols. */
+  public Iterator emitFunctions(java.util.List/*<FunctionSymbol>*/ cFunctions) throws Exception;
+  public void endFunctions() throws Exception;
+
+  /** Begins the process of computing field offsets and type sizes for
+      the structs to be emitted. */
+  public void beginStructLayout() throws Exception;
+  /** Lays out one struct which will be emitted later. */
+  public void layoutStruct(CompoundType t) throws Exception;
+  /** Finishes the struct layout process. */
+  public void endStructLayout() throws Exception;
+
+  public void beginStructs(TypeDictionary typedefDictionary,
+                           TypeDictionary structDictionary,
+                           Map            canonMap) throws Exception;
+  /** Emit glue code for the given CompoundType. alternateName is
+      provided when the CompoundType (e.g. "struct foo_t") has not
+      been typedefed to anything but the type of "pointer to struct
+      foo_t" has (e.g. "typedef struct foo_t {} *Foo"); in this case
+      alternateName would be set to Foo. */
+  public void emitStruct(CompoundType t, String alternateName) throws Exception;
+  public void endStructs() throws Exception;
+}