/***
* ASM tests
* Copyright (c) 2002-2005 France Telecom
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions 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.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.ow2.asm.test.cases;
import java.io.IOException;
import org.ow2.asm.ClassWriter;
import org.ow2.asm.FieldVisitor;
import org.ow2.asm.MethodVisitor;
import org.ow2.asm.Type;
/**
* Generates an enum class.
*
* @author Eric Bruneton
*/
public class Enum extends Generator {
@Override
public void generate(final String dir) throws IOException {
generate(dir, "pkg/Enum.class", dump());
}
public byte[] dump() {
ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
FieldVisitor fv;
MethodVisitor mv;
cw.visit(V1_5,
ACC_PUBLIC + ACC_FINAL + ACC_SUPER + ACC_ENUM,
"pkg/Enum",
"Ljava/lang/Enum<Lpkg/Enum;>;",
"java/lang/Enum",
null);
fv = cw.visitField(ACC_PUBLIC + ACC_FINAL + ACC_STATIC + ACC_ENUM,
"V0",
"Lpkg/Enum;",
null,
null);
fv.visitEnd();
fv = cw.visitField(ACC_PUBLIC + ACC_FINAL + ACC_STATIC + ACC_ENUM,
"V1",
"Lpkg/Enum;",
null,
null);
fv.visitEnd();
fv = cw.visitField(ACC_PUBLIC + ACC_FINAL + ACC_STATIC + ACC_ENUM,
"V2",
"Lpkg/Enum;",
null,
null);
fv.visitEnd();
fv = cw.visitField(ACC_PRIVATE + ACC_FINAL + ACC_STATIC + ACC_SYNTHETIC,
"$VALUES",
"[Lpkg/Enum;",
null,
null);
fv.visitEnd();
mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL + ACC_STATIC,
"values",
"()[Lpkg/Enum;",
null,
null);
mv.visitCode();
mv.visitFieldInsn(GETSTATIC, "pkg/Enum", "$VALUES", "[Lpkg/Enum;");
mv.visitMethodInsn(INVOKEVIRTUAL,
"[Lpkg/Enum;",
"clone",
"()Ljava/lang/Object;");
mv.visitTypeInsn(CHECKCAST, "[Lpkg/Enum;");
mv.visitInsn(ARETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC,
"valueOf",
"(Ljava/lang/String;)Lpkg/Enum;",
null,
null);
mv.visitCode();
mv.visitLdcInsn(Type.getType("Lpkg/Enum;"));
mv.visitVarInsn(ALOAD, 0);
mv.visitMethodInsn(INVOKESTATIC,
"java/lang/Enum",
"valueOf",
"(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;");
mv.visitTypeInsn(CHECKCAST, "pkg/Enum");
mv.visitInsn(ARETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
mv = cw.visitMethod(ACC_PRIVATE,
"<init>",
"(Ljava/lang/String;I)V",
"()V",
null);
mv.visitCode();
mv.visitVarInsn(ALOAD, 0);
mv.visitVarInsn(ALOAD, 1);
mv.visitVarInsn(ILOAD, 2);
mv.visitMethodInsn(INVOKESPECIAL,
"java/lang/Enum",
"<init>",
"(Ljava/lang/String;I)V");
mv.visitInsn(RETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
mv = cw.visitMethod(ACC_STATIC, "<clinit>", "()V", null, null);
mv.visitCode();
mv.visitTypeInsn(NEW, "pkg/Enum");
mv.visitInsn(DUP);
mv.visitLdcInsn("V0");
mv.visitInsn(ICONST_0);
mv.visitMethodInsn(INVOKESPECIAL,
"pkg/Enum",
"<init>",
"(Ljava/lang/String;I)V");
mv.visitFieldInsn(PUTSTATIC, "pkg/Enum", "V0", "Lpkg/Enum;");
mv.visitTypeInsn(NEW, "pkg/Enum");
mv.visitInsn(DUP);
mv.visitLdcInsn("V1");
mv.visitInsn(ICONST_1);
mv.visitMethodInsn(INVOKESPECIAL,
"pkg/Enum",
"<init>",
"(Ljava/lang/String;I)V");
mv.visitFieldInsn(PUTSTATIC, "pkg/Enum", "V1", "Lpkg/Enum;");
mv.visitTypeInsn(NEW, "pkg/Enum");
mv.visitInsn(DUP);
mv.visitLdcInsn("V2");
mv.visitInsn(ICONST_2);
mv.visitMethodInsn(INVOKESPECIAL,
"pkg/Enum",
"<init>",
"(Ljava/lang/String;I)V");
mv.visitFieldInsn(PUTSTATIC, "pkg/Enum", "V2", "Lpkg/Enum;");
mv.visitInsn(ICONST_3);
mv.visitTypeInsn(ANEWARRAY, "pkg/Enum");
mv.visitInsn(DUP);
mv.visitInsn(ICONST_0);
mv.visitFieldInsn(GETSTATIC, "pkg/Enum", "V0", "Lpkg/Enum;");
mv.visitInsn(AASTORE);
mv.visitInsn(DUP);
mv.visitInsn(ICONST_1);
mv.visitFieldInsn(GETSTATIC, "pkg/Enum", "V1", "Lpkg/Enum;");
mv.visitInsn(AASTORE);
mv.visitInsn(DUP);
mv.visitInsn(ICONST_2);
mv.visitFieldInsn(GETSTATIC, "pkg/Enum", "V2", "Lpkg/Enum;");
mv.visitInsn(AASTORE);
mv.visitFieldInsn(PUTSTATIC, "pkg/Enum", "$VALUES", "[Lpkg/Enum;");
mv.visitInsn(RETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
cw.visitEnd();
return cw.toByteArray();
}
}