private void END(final int maxStack, final int maxLocals) {
this.current.visitMaxs(maxStack, maxLocals);
this.current.visitEnd();
ClassWriter cw = new ClassWriter(0);
cw.visit(Opcodes.V1_1, Opcodes.ACC_PUBLIC, "C", null, "java/lang/Object", null);
MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
mv.visitCode();
mv.visitVarInsn(Opcodes.ALOAD, 0);
mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(1, 1);
mv.visitEnd();
((MethodNode) this.current).accept(cw);
cw.visitEnd();
byte[] b = cw.toByteArray();
try {
TestClassLoader loader = new TestClassLoader();
Class<?> c = loader.defineClass("C", b);
c.newInstance();
} catch (Throwable t) {
fail(t.getMessage());
}
this.current = null;
}
public void test() throws Exception {
ClassWriter cw = new ClassWriter(true);
ClassVisitor cv = new StaticInitMerger("$clinit$", cw);
cv.visit(V1_1, ACC_PUBLIC, "A", null, "java/lang/Object", null);
cv.visitField(ACC_PUBLIC + ACC_STATIC, "counter", "I", null, null);
for (int i = 0; i < 5; ++i) {
MethodVisitor mv = cv.visitMethod(ACC_PUBLIC, "<clinit>", "()V", null, null);
mv.visitFieldInsn(GETSTATIC, "A", "counter", "I");
mv.visitInsn(ICONST_1);
mv.visitInsn(IADD);
mv.visitFieldInsn(PUTSTATIC, "A", "counter", "I");
mv.visitInsn(RETURN);
mv.visitMaxs(0, 0);
}
MethodVisitor mv = cv.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
mv.visitVarInsn(ALOAD, 0);
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
mv.visitInsn(RETURN);
mv.visitMaxs(0, 0);
cv.visitEnd();
Class c = LOADER.defineClass("A", cw.toByteArray());
assertEquals(c.getField("counter").getInt(c.newInstance()), 5);
}
