diff options
author | Sven Gothel <[email protected]> | 2010-11-06 23:13:39 +0100 |
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committer | Sven Gothel <[email protected]> | 2010-11-06 23:13:39 +0100 |
commit | 6f2d046c8d532db94f6af5003e341104d5bf4aff (patch) | |
tree | 723c31b8f9c1097ae48486acbf68e4e06fab2517 /src/java/com/jogamp/gluegen/procaddress/ProcAddressJavaMethodBindingEmitter.java | |
parent | ec6d61f4597af32c22319c4bda3c9dd9ab80bf25 (diff) |
Renamed com.sun.gluegen -> com.jogamp.gluegen
Diffstat (limited to 'src/java/com/jogamp/gluegen/procaddress/ProcAddressJavaMethodBindingEmitter.java')
-rwxr-xr-x | src/java/com/jogamp/gluegen/procaddress/ProcAddressJavaMethodBindingEmitter.java | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/java/com/jogamp/gluegen/procaddress/ProcAddressJavaMethodBindingEmitter.java b/src/java/com/jogamp/gluegen/procaddress/ProcAddressJavaMethodBindingEmitter.java new file mode 100755 index 0000000..443c1d8 --- /dev/null +++ b/src/java/com/jogamp/gluegen/procaddress/ProcAddressJavaMethodBindingEmitter.java @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2003-2005 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.jogamp.gluegen.procaddress; + +import com.jogamp.gluegen.MethodBinding; +import com.jogamp.gluegen.FunctionEmitter; +import com.jogamp.gluegen.JavaMethodBindingEmitter; +import java.io.*; +import com.jogamp.gluegen.*; + +/** A specialization of JavaMethodBindingEmitter with knowledge of how +to call through a function pointer. */ +public class ProcAddressJavaMethodBindingEmitter extends JavaMethodBindingEmitter { + + protected boolean callThroughProcAddress; + protected boolean changeNameAndArguments; + + protected String getProcAddressTableExpr; + protected ProcAddressEmitter emitter; + + public ProcAddressJavaMethodBindingEmitter(JavaMethodBindingEmitter methodToWrap, boolean callThroughProcAddress, + String getProcAddressTableExpr, boolean changeNameAndArguments, ProcAddressEmitter emitter) { + + super(methodToWrap); + + this.callThroughProcAddress = callThroughProcAddress; + this.getProcAddressTableExpr = getProcAddressTableExpr; + this.changeNameAndArguments = changeNameAndArguments; + this.emitter = emitter; + + if (callThroughProcAddress) { + setCommentEmitter(new WrappedMethodCommentEmitter()); + } + + if (methodToWrap.getBinding().hasContainingType()) { + throw new IllegalArgumentException( + "Cannot create proc. address wrapper; method has containing type: \"" + + methodToWrap.getBinding() + "\""); + } + } + + public ProcAddressJavaMethodBindingEmitter(ProcAddressJavaMethodBindingEmitter methodToWrap) { + this(methodToWrap, methodToWrap.callThroughProcAddress, methodToWrap.getProcAddressTableExpr, + methodToWrap.changeNameAndArguments, methodToWrap.emitter); + } + + @Override + public String getName() { + String res = super.getName(); + if (changeNameAndArguments) { + return ProcAddressEmitter.WRAP_PREFIX + res; + } + return res; + } + + @Override + protected int emitArguments(PrintWriter writer) { + int numEmitted = super.emitArguments(writer); + if (callThroughProcAddress) { + if (changeNameAndArguments) { + if (numEmitted > 0) { + writer.print(", "); + } + + writer.print("long procAddress"); + ++numEmitted; + } + } + + return numEmitted; + } + + @Override + protected String getImplMethodName() { + String name = super.getImplMethodName(); + if (callThroughProcAddress) { + return ProcAddressEmitter.WRAP_PREFIX + name; + } + return name; + } + + @Override + protected void emitPreCallSetup(MethodBinding binding, PrintWriter writer) { + super.emitPreCallSetup(binding, writer); + + if (callThroughProcAddress) { + String procAddressVariable = ProcAddressEmitter.PROCADDRESS_VAR_PREFIX + binding.getName(); + writer.println(" final long __addr_ = " + getProcAddressTableExpr + "." + procAddressVariable + ";"); + writer.println(" if (__addr_ == 0) {"); + writer.println(" throw new " + emitter.unsupportedExceptionType() + "(\"Method \\\"" + binding.getName() + "\\\" not available\");"); + writer.println(" }"); + } + } + + @Override + protected int emitCallArguments(MethodBinding binding, PrintWriter writer) { + int numEmitted = super.emitCallArguments(binding, writer); + if (callThroughProcAddress) { + if (numEmitted > 0) { + writer.print(", "); + } + writer.print("__addr_"); + ++numEmitted; + } + + return numEmitted; + } + + /** This class emits the comment for the wrapper method */ + public class WrappedMethodCommentEmitter extends JavaMethodBindingEmitter.DefaultCommentEmitter { + + @Override + protected void emitBeginning(FunctionEmitter methodEmitter, PrintWriter writer) { + writer.print("Entry point (through function pointer) to C language function: <br> "); + } + } +} |