@Override
public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, Object... bsmArgs) {
if (bsm.getOwner().equals(LambdaNaming.LAMBDA_METAFACTORY)) {
backportLambda(name, Type.getType(desc), bsm, bsmArgs);
} else {
super.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
}
}
@Override
public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, Object... bsmArgs) {
checkStartCode();
checkEndCode();
checkMethodIdentifier(version, name, "name");
checkMethodDesc(desc);
if (bsm.getTag() != Opcodes.H_INVOKESTATIC && bsm.getTag() != Opcodes.H_NEWINVOKESPECIAL) {
throw new IllegalArgumentException("invalid handle tag " + bsm.getTag());
}
for (int i = 0; i < bsmArgs.length; i++) {
checkLDCConstant(bsmArgs[i]);
}
super.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
++insnCount;
}
/** @param args the command line arguments */
public static void main(String[] args) throws IOException {
ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
cw.visit(V1_7, ACC_PUBLIC | ACC_SUPER, "ToUpperCaseMain", null, "java/lang/Object", null);
MethodVisitor mv =
cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null);
mv.visitCode();
mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
mv.visitInvokeDynamicInsn("toUpperCase", "()Ljava/lang/String;", BSM, "Hello");
mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V");
mv.visitInsn(RETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
cw.visitEnd();
Files.write(Paths.get("build", "classes", "ToUpperCaseMain.class"), cw.toByteArray());
}
@Override
public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, Object... bsmArgs) {
super.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
}
