Package org.ow2.asm

Examples of org.ow2.asm.ClassWriter.visitMethod()

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    }

    public void testVerifyInvalidClass() {
        ClassWriter cw = new ClassWriter(0);
        cw.visit(V1_1, ACC_PUBLIC, "C", null, "java/lang/Object", null);
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "m", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ISTORE, 30);
        mv.visitInsn(RETURN);
        mv.visitMaxs(1, 31);
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        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        MethodVisitor mv;

        cw.visit(V1_2, ACC_PUBLIC, "pkg/Wide", null, "java/lang/Object", null);

        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        for (int i = 0; i < 256; ++i) {
            mv.visitLdcInsn(Integer.toString(i)); // wide form
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        }
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();

        mv = cw.visitMethod(ACC_PUBLIC, "wideLocals", "(I)I", null, null);
        mv.visitCode();
        Label l0 = new Label();
        Label l1 = new Label();
        mv.visitJumpInsn(GOTO, l1); // will give GOTO_W
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                "J",
                null,
                new Long(1L));
        fv.visitEnd();

        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC,
                "<init>",
                "()V",
                null,
                null);
        mv.visitCode();
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                "Interface",
                "<E:Ljava/lang/Object;>Ljava/lang/Object;",
                "java/lang/Object",
                null);

        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT,
                "m",
                "(ZBCSIFJDLjava/lang/Object;)Ljava/lang/Object;",
                "(ZBCSIFJDTE;)TE;",
                null);
        mv.visitEnd();
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                desc.append("Ljava/lang/Object;");
            }
            desc.append(")Ljava/lang/Object;");
           
            // eval method
            MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC,
                    "eval",
                    desc.toString(),
                    null,
                    null);
            compile(mv);
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                Opcodes.ACC_PUBLIC,
                "C",
                null,
                "java/lang/Object",
                null);
        MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC,
                "<init>",
                "()V",
                null,
                null);
        mv.visitCode();
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                "pkg/InvokeDynamic",
                null,
                "java/lang/Object",
                null);

        mv = cw.visitMethod(ACC_PUBLIC, "foo", "()V", null, null);
        mv.visitCode();
        Handle h = new Handle(H_INVOKESTATIC,
                "C",
                "bsm",
                "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;)Ljava/lang/invoke/CallSite;");
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        fv.visitEnd();

        fv = cw.visitField(M, "objectArray", "[Ljava/lang/Object;", null, null);
        fv.visitEnd();

        mv = cw.visitMethod(ACC_PUBLIC,
                "<init>",
                "(Ljava/lang/Object;)V",
                null,
                null);
        mv.visitCode();
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        fv = cw.visitField(ACC_PUBLIC, "f", "I", null, null);
        fv.visitAttribute(new Comment());
        fv.visitEnd();

        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitAttribute(new Comment());
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
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