Examples of org.ow2.asm.MethodVisitor.visitFieldInsn()

org.ow2.asm.MethodVisitor.visitFieldInsn()
Visits a field instruction. A field instruction is an instruction that loads or stores the value of a field of an object. @param opcode the opcode of the type instruction to be visited. Thisopcode is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD. @param owner the internal name of the field's owner class (see {@link Type#getInternalName() getInternalName}). @param name the field's name. @param desc the field's descriptor (see {@link Type Type}).

        mv.visitFieldInsn(GETFIELD, "pkg/Insns", "i", "I");
        mv.visitFieldInsn(PUTFIELD, "pkg/Insns", "i", "I");
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, "pkg/Insns", "l", "J");
        mv.visitFieldInsn(PUTFIELD, "pkg/Insns", "l", "J");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

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    public void testIllegalFieldInsnNullOwner() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitFieldInsn(GETFIELD, null, "i", "I");
            fail();
        } catch (Exception e) {
        }
    }

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    public void testIllegalFieldInsnOwner() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitFieldInsn(GETFIELD, "-", "i", "I");
            fail();
        } catch (Exception e) {
        }
    }

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    public void testIllegalFieldInsnNullName() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitFieldInsn(GETFIELD, "C", null, "I");
            fail();
        } catch (Exception e) {
        }
    }

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    public void testIllegalFieldInsnName() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitFieldInsn(GETFIELD, "C", "-", "I");
            fail();
        } catch (Exception e) {
        }
    }

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                "()V",
                null,
                null);
        mv.visitCode();
        mv.visitInsn(ICONST_1);
        mv.visitFieldInsn(PUTSTATIC, "pkg/Insns", "s", "S");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
}

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    public void testIllegalFieldInsnName2() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();


        try {
            mv.visitFieldInsn(GETFIELD, "C", "a-", "I");
            fail();
        } catch (Exception e) {
        }
    }

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    public void testIllegalFieldInsnNullDesc() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitFieldInsn(GETFIELD, "C", "i", null);
            fail();
        } catch (Exception e) {
        }
    }

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    public void testIllegalFieldInsnVoidDesc() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitFieldInsn(GETFIELD, "C", "i", "V");
            fail();
        } catch (Exception e) {
        }
    }

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    public void testIllegalFieldInsnPrimitiveDesc() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitFieldInsn(GETFIELD, "C", "i", "II");
            fail();
        } catch (Exception e) {
        }
    }

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