/* * 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(ConstantDefinition def, String optionalComment) throws Exception; public void endDefines() throws Exception; public void beginFunctions(TypeDictionary typedefDictionary, TypeDictionary structDictionary, Map<Type, Type> canonMap) throws Exception; /** Emit glue code for the list of FunctionSymbols. */ public Iterator<FunctionSymbol> emitFunctions(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<Type, Type> 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; }