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-rwxr-xr-xmake/build.xml12
-rwxr-xr-xsrc/java/com/sun/gluegen/nativesig/NativeSignatureEmitter.java188
-rwxr-xr-xsrc/java/com/sun/gluegen/nativesig/NativeSignatureJavaMethodBindingEmitter.java486
-rwxr-xr-xsrc/java/com/sun/gluegen/runtime/BufferFactoryInternal.java115
4 files changed, 799 insertions, 2 deletions
diff --git a/make/build.xml b/make/build.xml
index 2557fac..ab538be 100755
--- a/make/build.xml
+++ b/make/build.xml
@@ -21,7 +21,15 @@
<echo message="antlr.jar=${antlr.jar}" />
</target>
- <target name="init" depends="load.user.properties">
+ <target name="setup-excludes-1" if="gluegen.nsig">
+ <property name="gluegen.excludes" value="" />
+ </target>
+
+ <target name="setup-excludes-2" unless="gluegen.nsig">
+ <property name="gluegen.excludes" value="com/sun/gluegen/runtime/BufferFactoryInternal.java,com/sun/gluegen/nativesig/**" />
+ </target>
+
+ <target name="init" depends="load.user.properties,setup-excludes-1,setup-excludes-2">
<!-- Declare all paths and user defined variables. -->
<!-- The source directories. -->
@@ -132,7 +140,7 @@
<!-- Build GlueGen using the generated Java files along with the
- original source. -->
- <javac destdir="${classes}" source="1.4" debug="true" debuglevel="source,lines">
+ <javac destdir="${classes}" source="1.4" debug="true" debuglevel="source,lines" excludes="${gluegen.excludes}">
<src path="${src.java}" />
<src path="${src.generated.java}" />
<classpath refid="antlr.classpath" />
diff --git a/src/java/com/sun/gluegen/nativesig/NativeSignatureEmitter.java b/src/java/com/sun/gluegen/nativesig/NativeSignatureEmitter.java
new file mode 100755
index 0000000..4fe81af
--- /dev/null
+++ b/src/java/com/sun/gluegen/nativesig/NativeSignatureEmitter.java
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2006 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.nativesig;
+
+import java.io.*;
+import java.util.*;
+
+import com.sun.gluegen.*;
+import com.sun.gluegen.cgram.types.*;
+import com.sun.gluegen.opengl.*;
+import com.sun.gluegen.procaddress.*;
+
+/** Emitter producing NativeSignature attributes. */
+
+public class NativeSignatureEmitter extends GLEmitter {
+ protected List generateMethodBindingEmitters(FunctionSymbol sym) throws Exception {
+ // Allow superclass to do most of the work for us
+ List res = super.generateMethodBindingEmitters(sym);
+
+ // Filter out all non-JavaMethodBindingEmitters
+ for (Iterator iter = res.iterator(); iter.hasNext(); ) {
+ FunctionEmitter emitter = (FunctionEmitter) iter.next();
+ if (!(emitter instanceof JavaMethodBindingEmitter)) {
+ iter.remove();
+ }
+ }
+
+ if (res.isEmpty()) {
+ return res;
+ }
+
+ PrintWriter writer = (getConfig().allStatic() ? javaWriter() : javaImplWriter());
+
+ List processed = new ArrayList();
+
+ // First, filter out all emitters going to the "other" (public) writer
+ for (Iterator iter = res.iterator(); iter.hasNext(); ) {
+ FunctionEmitter emitter = (FunctionEmitter) iter.next();
+ if (emitter.getDefaultOutput() != writer) {
+ processed.add(emitter);
+ iter.remove();
+ }
+ }
+
+ // Now process all of the remaining emitters sorted by MethodBinding
+ while (!res.isEmpty()) {
+ List emittersForBinding = new ArrayList();
+ JavaMethodBindingEmitter emitter = (JavaMethodBindingEmitter) res.remove(0);
+ emittersForBinding.add(emitter);
+ MethodBinding binding = emitter.getBinding();
+ for (Iterator iter = res.iterator(); iter.hasNext(); ) {
+ JavaMethodBindingEmitter emitter2 = (JavaMethodBindingEmitter) iter.next();
+ if (emitter2.getBinding() == binding) {
+ emittersForBinding.add(emitter2);
+ iter.remove();
+ }
+ }
+ generateNativeSignatureEmitters(binding, emittersForBinding);
+ processed.addAll(emittersForBinding);
+ }
+
+ return processed;
+ }
+
+ protected void generateNativeSignatureEmitters(MethodBinding binding,
+ List allEmitters) {
+ if (allEmitters.isEmpty()) {
+ return;
+ }
+
+ PrintWriter writer = (getConfig().allStatic() ? javaWriter() : javaImplWriter());
+
+ // Give ourselves the chance to interpose on the generation of all code to keep things simple
+ List newEmitters = new ArrayList();
+ for (Iterator iter = allEmitters.iterator(); iter.hasNext(); ) {
+ JavaMethodBindingEmitter javaEmitter = (JavaMethodBindingEmitter) iter.next();
+ NativeSignatureJavaMethodBindingEmitter newEmitter = null;
+ if (javaEmitter instanceof GLJavaMethodBindingEmitter) {
+ newEmitter = new NativeSignatureJavaMethodBindingEmitter((GLJavaMethodBindingEmitter) javaEmitter);
+ } else if (javaEmitter instanceof ProcAddressJavaMethodBindingEmitter) {
+ newEmitter = new NativeSignatureJavaMethodBindingEmitter((ProcAddressJavaMethodBindingEmitter) javaEmitter);
+ } else {
+ newEmitter = new NativeSignatureJavaMethodBindingEmitter(javaEmitter, this);
+ }
+ newEmitters.add(newEmitter);
+ }
+ allEmitters.clear();
+ allEmitters.addAll(newEmitters);
+
+ // Detect whether we need to produce more or modify some of these emitters.
+ // Note that at this point we are assuming that generatePublicEmitters has
+ // been called with signatureOnly both true and false.
+ if (signatureContainsStrings(binding) &&
+ !haveEmitterWithBody(allEmitters)) {
+ // This basically handles glGetString but also any similar methods
+ NativeSignatureJavaMethodBindingEmitter javaEmitter = findEmitterWithWriter(allEmitters, writer);
+
+ // First, we need to clone this emitter to produce the native
+ // entry point
+ NativeSignatureJavaMethodBindingEmitter emitter =
+ new NativeSignatureJavaMethodBindingEmitter(javaEmitter);
+ emitter.removeModifier(JavaMethodBindingEmitter.PUBLIC);
+ emitter.addModifier(JavaMethodBindingEmitter.PRIVATE);
+ emitter.setForImplementingMethodCall(true);
+ // Note: this is chosen so we don't have to change the logic in
+ // emitReturnVariableSetupAndCall which decides which variant
+ // (direct / indirect) to call
+ emitter.setForDirectBufferImplementation(true);
+ allEmitters.add(emitter);
+
+ // Now make the original emitter non-native and cause it to emit a body
+ javaEmitter.removeModifier(JavaMethodBindingEmitter.NATIVE);
+ javaEmitter.setEmitBody(true);
+ }
+ }
+
+ protected boolean signatureContainsStrings(MethodBinding binding) {
+ for (int i = 0; i < binding.getNumArguments(); i++) {
+ JavaType type = binding.getJavaArgumentType(i);
+ if (type.isString() || type.isStringArray()) {
+ return true;
+ }
+ }
+ JavaType retType = binding.getJavaReturnType();
+ if (retType.isString() || retType.isStringArray()) {
+ return true;
+ }
+ return false;
+ }
+
+ protected boolean haveEmitterWithBody(List allEmitters) {
+ for (Iterator iter = allEmitters.iterator(); iter.hasNext(); ) {
+ JavaMethodBindingEmitter emitter = (JavaMethodBindingEmitter) iter.next();
+ if (!emitter.signatureOnly()) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ protected NativeSignatureJavaMethodBindingEmitter findEmitterWithWriter(List allEmitters, PrintWriter writer) {
+ for (Iterator iter = allEmitters.iterator(); iter.hasNext(); ) {
+ NativeSignatureJavaMethodBindingEmitter emitter =
+ (NativeSignatureJavaMethodBindingEmitter) iter.next();
+ if (emitter.getDefaultOutput() == writer) {
+ return emitter;
+ }
+ }
+ throw new RuntimeException("Unexpectedly failed to find an emitter with the given writer");
+ }
+}
diff --git a/src/java/com/sun/gluegen/nativesig/NativeSignatureJavaMethodBindingEmitter.java b/src/java/com/sun/gluegen/nativesig/NativeSignatureJavaMethodBindingEmitter.java
new file mode 100755
index 0000000..71382bf
--- /dev/null
+++ b/src/java/com/sun/gluegen/nativesig/NativeSignatureJavaMethodBindingEmitter.java
@@ -0,0 +1,486 @@
+/*
+ * Copyright (c) 2006 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.nativesig;
+
+import java.io.*;
+import java.util.*;
+import java.text.MessageFormat;
+
+import com.sun.gluegen.*;
+import com.sun.gluegen.cgram.types.*;
+import com.sun.gluegen.cgram.*;
+import com.sun.gluegen.opengl.*;
+import com.sun.gluegen.procaddress.*;
+
+public class NativeSignatureJavaMethodBindingEmitter extends GLJavaMethodBindingEmitter {
+ public NativeSignatureJavaMethodBindingEmitter(GLJavaMethodBindingEmitter methodToWrap) {
+ super(methodToWrap);
+ }
+
+ public NativeSignatureJavaMethodBindingEmitter(ProcAddressJavaMethodBindingEmitter methodToWrap) {
+ super(methodToWrap, false);
+ }
+
+ public NativeSignatureJavaMethodBindingEmitter(JavaMethodBindingEmitter methodToWrap,
+ NativeSignatureEmitter emitter) {
+ super(methodToWrap, false, null, false, false, emitter);
+ }
+
+ protected void emitSignature(PrintWriter writer) {
+ writer.print(getBaseIndentString());
+ emitNativeSignatureAnnotation(writer);
+ super.emitSignature(writer);
+ }
+
+ protected void emitNativeSignatureAnnotation(PrintWriter writer) {
+ if (hasModifier(JavaMethodBindingEmitter.NATIVE)) {
+ // Emit everything as a leaf for now
+ // FIXME: make this configurable
+ writer.print("@NativeSignature(\"l");
+ MethodBinding binding = getBinding();
+ if (callThroughProcAddress) {
+ writer.print("p");
+ }
+ writer.print("(");
+ if (callThroughProcAddress) {
+ writer.print("P");
+ }
+ for (int i = 0; i < binding.getNumArguments(); i++) {
+ emitNativeSignatureElement(writer, binding.getJavaArgumentType(i), binding.getCArgumentType(i), i);
+ }
+ writer.print(")");
+ emitNativeSignatureElement(writer, binding.getJavaReturnType(), binding.getCReturnType(), -1);
+ writer.println("\")");
+ }
+ }
+
+ protected void emitNativeSignatureElement(PrintWriter writer, JavaType type, Type cType, int index) {
+ if (type.isVoid()) {
+ if (index > 0) {
+ throw new InternalError("Error parsing arguments -- void should not be seen aside from argument 0");
+ }
+ return;
+ }
+
+ if (type.isNIOBuffer()) {
+ writer.print("A");
+ } else if (type.isPrimitiveArray()) {
+ writer.print("MO");
+ } else if (type.isPrimitive()) {
+ Class clazz = type.getJavaClass();
+ if (clazz == Byte.TYPE) { writer.print("B"); }
+ else if (clazz == Character.TYPE) { writer.print("C"); }
+ else if (clazz == Double.TYPE) { writer.print("D"); }
+ else if (clazz == Float.TYPE) { writer.print("F"); }
+ else if (clazz == Integer.TYPE) { writer.print("I"); }
+ else if (clazz == Long.TYPE) {
+ // See if this is intended to be a pointer at the C level
+ if (cType.isPointer()) {
+ writer.print("A");
+ } else {
+ writer.print("J");
+ }
+ }
+ else if (clazz == Short.TYPE) { writer.print("S"); }
+ else if (clazz == Boolean.TYPE) { writer.print("Z"); }
+ else throw new InternalError("Unhandled primitive type " + clazz);
+ } else if (type.isString()) {
+ writer.print("A");
+ } else {
+ throw new RuntimeException("Type not yet handled: " + type);
+ }
+ }
+
+ protected String getReturnTypeString(boolean skipArray) {
+ if (isForImplementingMethodCall()) {
+ JavaType returnType = getBinding().getJavaReturnType();
+ if (returnType.isString() || returnType.isNIOByteBuffer()) {
+ // Treat these as addresses
+ return "long";
+ }
+ }
+ return super.getReturnTypeString(skipArray);
+ }
+
+ protected void emitPreCallSetup(MethodBinding binding, PrintWriter writer) {
+ super.emitPreCallSetup(binding, writer);
+ for (int i = 0; i < binding.getNumArguments(); i++) {
+ JavaType type = binding.getJavaArgumentType(i);
+ if (type.isNIOBuffer() && !directNIOOnly) {
+ // Emit declarations for variables holding primitive arrays as type Object
+ // We don't know 100% sure we're going to use these at this point in the code, though
+ writer.println(" Object " + getNIOBufferArrayName(i) + " = (_direct ? null : BufferFactory.getArray(" +
+ getArgumentName(i) + "));");
+ } else if (type.isString()) {
+ writer.println(" long " + binding.getArgumentName(i) + "_c_str = BufferFactoryInternal.newCString(" + binding.getArgumentName(i) + ");");
+ }
+ // FIXME: going to need more of these for Buffer[] and String[], at least
+ }
+ }
+
+ protected String getNIOBufferArrayName(int argNumber) {
+ return "__buffer_array_" + argNumber;
+ }
+
+ protected int emitArguments(PrintWriter writer)
+ {
+ boolean needComma = false;
+ int numEmitted = 0;
+
+ if (callThroughProcAddress) {
+ if (changeNameAndArguments) {
+ writer.print("long procAddress");
+ ++numEmitted;
+ needComma = true;
+ }
+ }
+
+ if (forImplementingMethodCall && binding.hasContainingType()) {
+ if (needComma) {
+ writer.print(", ");
+ }
+
+ // Always emit outgoing "this" argument
+ writer.print("long ");
+ writer.print(javaThisArgumentName());
+ ++numEmitted;
+ needComma = true;
+ }
+
+ for (int i = 0; i < binding.getNumArguments(); i++) {
+ JavaType type = binding.getJavaArgumentType(i);
+ if (type.isVoid()) {
+ // Make sure this is the only param to the method; if it isn't,
+ // there's something wrong with our parsing of the headers.
+ if (binding.getNumArguments() != 1) {
+ throw new InternalError(
+ "\"void\" argument type found in " +
+ "multi-argument function \"" + binding + "\"");
+ }
+ continue;
+ }
+
+ if (type.isJNIEnv() || binding.isArgumentThisPointer(i)) {
+ // Don't need to expose these at the Java level
+ continue;
+ }
+
+ if (needComma) {
+ writer.print(", ");
+ }
+
+ if (forImplementingMethodCall &&
+ (forDirectBufferImplementation && type.isNIOBuffer() ||
+ type.isString())) {
+ // Direct Buffers and Strings go out as longs
+ writer.print("long");
+ // FIXME: will need more tests here to handle other constructs like String and direct Buffer arrays
+ } else {
+ writer.print(erasedTypeString(type, false));
+ }
+ writer.print(" ");
+ writer.print(getArgumentName(i));
+
+ ++numEmitted;
+ needComma = true;
+
+ // Add Buffer and array index offset arguments after each associated argument
+ if (forIndirectBufferAndArrayImplementation) {
+ if (type.isNIOBuffer()) {
+ writer.print(", int " + byteOffsetArgName(i));
+ } else if (type.isNIOBufferArray()) {
+ writer.print(", int[] " +
+ byteOffsetArrayArgName(i));
+ }
+ }
+
+ // Add offset argument after each primitive array
+ if (type.isPrimitiveArray()) {
+ writer.print(", int " + offsetArgName(i));
+ }
+ }
+ return numEmitted;
+ }
+
+ protected void emitReturnVariableSetupAndCall(MethodBinding binding, PrintWriter writer) {
+ writer.print(" ");
+ JavaType returnType = binding.getJavaReturnType();
+ boolean needsResultAssignment = false;
+
+ if (!returnType.isVoid()) {
+ if (returnType.isCompoundTypeWrapper() ||
+ returnType.isNIOByteBuffer()) {
+ writer.println("ByteBuffer _res;");
+ needsResultAssignment = true;
+ } else if (returnType.isArrayOfCompoundTypeWrappers()) {
+ writer.println("ByteBuffer[] _res;");
+ needsResultAssignment = true;
+ } else if (returnType.isString() || returnType.isNIOByteBuffer()) {
+ writer.print(returnType);
+ writer.println(" _res;");
+ needsResultAssignment = true;
+ } else {
+ // Always assign to "_res" variable so we can clean up
+ // outgoing String arguments, for example
+ emitReturnType(writer);
+ writer.println(" _res;");
+ needsResultAssignment = true;
+ }
+ }
+
+ if (binding.signatureCanUseIndirectNIO() && !directNIOOnly) {
+ // Must generate two calls for this gated on whether the NIO
+ // buffers coming in are all direct or indirect
+ writer.println("if (_direct) {");
+ writer.print (" ");
+ }
+
+ if (needsResultAssignment) {
+ writer.print(" _res = ");
+ if (returnType.isString()) {
+ writer.print("BufferFactoryInternal.newJavaString(");
+ } else if (returnType.isNIOByteBuffer()) {
+ writer.print("BufferFactoryInternal.newDirectByteBuffer(");
+ }
+ } else {
+ writer.print(" ");
+ if (!returnType.isVoid()) {
+ writer.print("return ");
+ }
+ }
+
+ if (binding.signatureUsesJavaPrimitiveArrays() &&
+ !binding.signatureCanUseIndirectNIO()) {
+ // FIXME: what happens with a C function of the form
+ // void foo(int* arg0, void* arg1);
+ // ?
+
+ // Only one call being made in this body, going to indirect
+ // buffer / array entry point
+ emitCall(binding, writer, false);
+ if (returnType.isString() || returnType.isNIOByteBuffer()) {
+ writer.print(")");
+ }
+ writer.print(";");
+ writer.println();
+ } else {
+ emitCall(binding, writer, true);
+ if (returnType.isString() || returnType.isNIOByteBuffer()) {
+ writer.print(")");
+ }
+ writer.print(";");
+ }
+
+ if (binding.signatureCanUseIndirectNIO() && !directNIOOnly) {
+ // Must generate two calls for this gated on whether the NIO
+ // buffers coming in are all direct or indirect
+ writer.println();
+ writer.println(" } else {");
+ writer.print (" ");
+ if (needsResultAssignment) {
+ writer.print(" _res = ");
+ } else {
+ writer.print(" ");
+ if (!returnType.isVoid()) {
+ writer.print("return ");
+ }
+ }
+ emitCall(binding, writer, false);
+ writer.print(";");
+ writer.println();
+ writer.println(" }");
+ } else {
+ writer.println();
+ }
+ emitPrologueOrEpilogue(epilogue, writer);
+ if (needsResultAssignment) {
+ emitCallResultReturn(binding, writer);
+ }
+ }
+
+ protected int emitCallArguments(MethodBinding binding, PrintWriter writer, boolean direct) {
+ // Note that we override this completely because we both need to
+ // move the potential location of the outgoing proc address as
+ // well as change the way we pass out Buffers, arrays, Strings, etc.
+
+ boolean needComma = false;
+ int numArgsEmitted = 0;
+
+ if (callThroughProcAddress) {
+ writer.print("__addr_");
+ needComma = true;
+ ++numArgsEmitted;
+ }
+
+ if (binding.hasContainingType()) {
+ // Emit this pointer
+ assert(binding.getContainingType().isCompoundTypeWrapper());
+ writer.print("BufferFactoryInternal.getDirectBufferAddress(");
+ writer.print("getBuffer()");
+ writer.print(")");
+ needComma = true;
+ ++numArgsEmitted;
+ }
+ for (int i = 0; i < binding.getNumArguments(); i++) {
+ JavaType type = binding.getJavaArgumentType(i);
+ if (type.isJNIEnv() || binding.isArgumentThisPointer(i)) {
+ // Don't need to expose these at the Java level
+ continue;
+ }
+
+ if (type.isVoid()) {
+ // Make sure this is the only param to the method; if it isn't,
+ // there's something wrong with our parsing of the headers.
+ assert(binding.getNumArguments() == 1);
+ continue;
+ }
+
+ if (needComma) {
+ writer.print(", ");
+ }
+
+ if (type.isCompoundTypeWrapper()) {
+ writer.print("BufferFactoryInternal.getDirectBufferAddress(");
+ writer.print("((");
+ }
+
+ if (type.isNIOBuffer()) {
+ if (!direct) {
+ writer.print(getNIOBufferArrayName(i));
+ } else {
+ writer.print("BufferFactoryInternal.getDirectBufferAddress(");
+ writer.print(getArgumentName(i));
+ writer.print(")");
+ }
+ } else {
+ writer.print(getArgumentName(i));
+ }
+
+ if (type.isCompoundTypeWrapper()) {
+ writer.print(" == null) ? null : ");
+ writer.print(getArgumentName(i));
+ writer.print(".getBuffer())");
+ writer.print(")");
+ }
+
+ if (type.isNIOBuffer()) {
+ if (direct) {
+ writer.print("+ BufferFactory.getDirectBufferByteOffset(" + getArgumentName(i) + ")");
+ } else {
+ writer.print(", BufferFactoryInternal.arrayBaseOffset(" +
+ getNIOBufferArrayName(i) +
+ ") + BufferFactory.getIndirectBufferByteOffset(" + getArgumentName(i) + ")");
+ }
+ } else if (type.isNIOBufferArray()) {
+ writer.print(", " + byteOffsetArrayArgName(i));
+ }
+
+ // Add Array offset parameter for primitive arrays
+ if (type.isPrimitiveArray()) {
+ writer.print(", ");
+ writer.print("BufferFactoryInternal.arrayBaseOffset(" + getArgumentName(i) + ") + ");
+ if(type.isFloatArray()) {
+ writer.print("BufferFactory.SIZEOF_FLOAT * ");
+ } else if(type.isDoubleArray()) {
+ writer.print("BufferFactory.SIZEOF_DOUBLE * ");
+ } else if(type.isByteArray()) {
+ writer.print("1 * ");
+ } else if(type.isLongArray()) {
+ writer.print("BufferFactory.SIZEOF_LONG * ");
+ } else if(type.isShortArray()) {
+ writer.print("BufferFactory.SIZEOF_SHORT * ");
+ } else if(type.isIntArray()) {
+ writer.print("BufferFactory.SIZEOF_INT * ");
+ } else {
+ throw new RuntimeException("Unsupported type for calculating array offset argument for " +
+ getArgumentName(i) +
+ "-- error occurred while processing Java glue code for " + getName());
+ }
+ writer.print(offsetArgName(i));
+ }
+
+ if (type.isString()) {
+ writer.print("_c_str");
+ }
+
+ if (type.isCompoundTypeWrapper()) {
+ writer.print(")");
+ }
+
+ needComma = true;
+ ++numArgsEmitted;
+ }
+ return numArgsEmitted;
+ }
+
+ protected void emitCallResultReturn(MethodBinding binding, PrintWriter writer) {
+ for (int i = 0; i < binding.getNumArguments(); i++) {
+ JavaType type = binding.getJavaArgumentType(i);
+ if (type.isString()) {
+ writer.println(";");
+ writer.println(" BufferFactoryInternal.freeCString(" + binding.getArgumentName(i) + "_c_str);");
+ }
+ // FIXME: will need more of these cleanups for things like Buffer[] and String[] (see above)
+ }
+
+ super.emitCallResultReturn(binding, writer);
+ }
+
+ public String getName() {
+ String res = super.getName();
+ if (forImplementingMethodCall && bufferObjectVariant) {
+ return res + "BufObj";
+ }
+ return res;
+ }
+
+ protected String getImplMethodName(boolean direct) {
+ String name = null;
+ if (direct) {
+ name = binding.getRenamedMethodName() + "$0";
+ } else {
+ name = binding.getRenamedMethodName() + "$1";
+ }
+ if (bufferObjectVariant) {
+ return name + "BufObj";
+ }
+ return name;
+ }
+}
diff --git a/src/java/com/sun/gluegen/runtime/BufferFactoryInternal.java b/src/java/com/sun/gluegen/runtime/BufferFactoryInternal.java
new file mode 100755
index 0000000..7a0e6a8
--- /dev/null
+++ b/src/java/com/sun/gluegen/runtime/BufferFactoryInternal.java
@@ -0,0 +1,115 @@
+/*
+
+ * Copyright (c) 2006 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.runtime;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.nio.*;
+import sun.misc.Unsafe;
+
+public class BufferFactoryInternal {
+ private static final long addressFieldOffset;
+ private static final Constructor directByteBufferConstructor;
+
+ static {
+ try {
+ Field f = Buffer.class.getDeclaredField("address");
+ addressFieldOffset = UnsafeAccess.getUnsafe().objectFieldOffset(f);
+
+ Class directByteBufferClass = Class.forName("java.nio.DirectByteBuffer");
+ directByteBufferConstructor = directByteBufferClass.getDeclaredConstructor(new Class[] { Long.TYPE, Integer.TYPE });
+ directByteBufferConstructor.setAccessible(true);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static long getDirectBufferAddress(Buffer buf) {
+ return ((buf == null) ? 0 : UnsafeAccess.getUnsafe().getLong(buf, addressFieldOffset));
+ }
+
+ public static ByteBuffer newDirectByteBuffer(long address, int capacity) {
+ try {
+ if (address == 0) {
+ return null;
+ }
+ return (ByteBuffer) directByteBufferConstructor.newInstance(new Object[] { new Long(address), new Integer(capacity) });
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static long newCString(String str) {
+ byte[] strBytes = str.getBytes();
+ long strBlock = UnsafeAccess.getUnsafe().allocateMemory(strBytes.length+1);
+ for (int i = 0; i < strBytes.length; i++) {
+ UnsafeAccess.getUnsafe().putByte(strBlock+i, strBytes[i]);
+ }
+ UnsafeAccess.getUnsafe().putByte(strBlock+strBytes.length, (byte)0); // null termination
+ return strBlock;
+ }
+
+ public static void freeCString(long cStr) {
+ UnsafeAccess.getUnsafe().freeMemory(cStr);
+ }
+
+ public static String newJavaString(long cStr) {
+ if (cStr == 0) {
+ return null;
+ }
+ int numChars = 0;
+ while (UnsafeAccess.getUnsafe().getByte(cStr + numChars) != 0) {
+ ++numChars;
+ }
+ byte[] bytes = new byte[numChars];
+ for (int i = 0; i < numChars; i++) {
+ bytes[i] = UnsafeAccess.getUnsafe().getByte(cStr + i);
+ }
+ return new String(bytes);
+ }
+
+ public static int arrayBaseOffset(Object array) {
+ return UnsafeAccess.getUnsafe().arrayBaseOffset(array.getClass());
+ }
+ public static int arrayIndexScale(Object array) {
+ return UnsafeAccess.getUnsafe().arrayIndexScale(array.getClass());
+ }
+}