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author | Andrew John Hughes <gnu_andrew@member.fsf.org> | 2006-08-12 13:27:52 +0000 |
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committer | Andrew John Hughes <gnu_andrew@member.fsf.org> | 2006-08-12 13:27:52 +0000 |
commit | 32bb0e9c211961fbade190535b8041ece5df772c (patch) | |
tree | 0c38bf4c10cc99e5da5d47c2830efb3c8e81d2a5 /tools/gnu/classpath/tools/javah/CniStubPrinter.java | |
parent | d2f33039bd87de27b08ce88a7865d499b9b64c82 (diff) | |
download | classpath-32bb0e9c211961fbade190535b8041ece5df772c.tar.gz |
2006-08-12 Andrew John Hughes <gnu_andrew@member.fsf.org>
* Merge of HEAD --> generics-branch for release
0.92 to 2006/08/12.
Diffstat (limited to 'tools/gnu/classpath/tools/javah/CniStubPrinter.java')
-rw-r--r-- | tools/gnu/classpath/tools/javah/CniStubPrinter.java | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/tools/gnu/classpath/tools/javah/CniStubPrinter.java b/tools/gnu/classpath/tools/javah/CniStubPrinter.java new file mode 100644 index 000000000..9732e2941 --- /dev/null +++ b/tools/gnu/classpath/tools/javah/CniStubPrinter.java @@ -0,0 +1,119 @@ +/* CniStubPrinter.java - Generate a CNI stub file + Copyright (C) 2006 Free Software Foundation, Inc. + + This file is part of GNU Classpath. + + GNU Classpath is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + GNU Classpath is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with GNU Classpath; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301 USA. + + Linking this library statically or dynamically with other modules is + making a combined work based on this library. Thus, the terms and + conditions of the GNU General Public License cover the whole + combination. + + As a special exception, the copyright holders of this library give you + permission to link this library with independent modules to produce an + executable, regardless of the license terms of these independent + modules, and to copy and distribute the resulting executable under + terms of your choice, provided that you also meet, for each linked + independent module, the terms and conditions of the license of that + module. An independent module is a module which is not derived from + or based on this library. If you modify this library, you may extend + this exception to your version of the library, but you are not + obligated to do so. If you do not wish to do so, delete this + exception statement from your version. */ + + +package gnu.classpath.tools.javah; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.lang.reflect.Modifier; +import java.util.Iterator; + +import org.objectweb.asm.Type; +import org.objectweb.asm.tree.MethodNode; + +public class CniStubPrinter + extends Printer +{ + + protected CniStubPrinter(Main classpath) + { + super(classpath); + } + + private void printDecl(CniPrintStream out, String className, MethodNode method) + { + out.print(className); + out.print("::"); + out.print(method.name); + out.print("("); + Type[] argTypes = Type.getArgumentTypes(method.desc); + for (int j = 0; j < argTypes.length; ++j) + { + if (j > 0) + out.print(", "); + out.print(argTypes[j]); + } + out.print(")"); + } + + public void printClass(File outputDir, ClassWrapper klass) throws IOException + { + if (! klass.hasNativeMethod()) + return; + File klassFile = new File(outputDir, klass.name + ".cc"); + klassFile.getParentFile().mkdirs(); + String className = klass.name.replaceAll("/", "::"); + + CniPrintStream out = new CniPrintStream(new FileOutputStream(klassFile)); + out.println("// This file is intended to give you a head start on implementing native"); + out.println("// methods using CNI."); + out.println("// Be aware: running 'gcjh -stubs' once more for this class may"); + out.println("// overwrite any edits you have made to this file."); + out.println(); + + out.println("#include <" + klass.name + ".h>"); + out.println("#include <gcj/cni.h>"); + out.println("#include <java/lang/UnsupportedOperationException.h>"); + out.println(); + + Iterator i = klass.methods.iterator(); + boolean first = true; + while (i.hasNext()) + { + MethodNode method = (MethodNode) i.next(); + if (! Modifier.isNative(method.access)) + continue; + if (! first) + out.println(); + first = false; + out.print(Type.getReturnType(method.desc)); + out.println(); + printDecl(out, className, method); + out.println(); + out.println("{"); + out.print(" throw new ::java::lang::UnsupportedOperationException("); + out.print("JvNewStringLatin1 (\""); + printDecl(out, className, method); + out.println("\"));"); + out.println("}"); + } + out.close(); + } + +} |