Package org.mvel2.asm

Examples of org.mvel2.asm.FieldVisitor

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  public VariableResolver getVariableResolver(String name) {
    Object value = ((VariableScopeInstance)
      nodeInstance.resolveContextInstance(
          VariableScope.VARIABLE_SCOPE, name)).getVariable(name);
    return new SimpleValueResolver(value);
  }
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    return variableScope.getVariable(name) != null;
  }
 
  public VariableResolver getVariableResolver(String name) {
    Object value = variableScope.getVariable(name);
    return new SimpleValueResolver(value);
  }
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                                 final ProcessBuildContext context,
                                 final String className,
                                 final Map vars,
                                 final Object invokerLookup,
                                 final BaseDescr descrLookup) {
        TemplateRegistry registry = getRuleTemplateRegistry();

        context.getMethods().add(
                TemplateRuntime.execute(registry.getNamedTemplate(ruleTemplate), null, new MapVariableResolverFactory(vars), registry)
        );

        registry = getInvokerTemplateRegistry();
        final String invokerClassName = context.getPkg().getName() + "." + context.getProcessDescr().getClassName() + StringUtils.ucFirst(className) + "Invoker";

        context.getInvokers().put(invokerClassName,
                TemplateRuntime.execute(registry.getNamedTemplate(invokerTemplate), null, new MapVariableResolverFactory(vars), registry)
        );

        context.getInvokerLookups().put(invokerClassName,
                invokerLookup);
        context.getDescrLookups().put(invokerClassName,
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        generate(dir, "pkg/Outer$Inner.class", dumpInner());
    }

    public byte[] dump() {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        FieldVisitor fv;
        MethodVisitor mv;

        cw.visit(V1_4,
                ACC_PUBLIC + ACC_SUPER + ACC_DEPRECATED,
                "pkg/Outer",
                null,
                "java/lang/Object",
                null);

        cw.visitInnerClass("pkg/Outer$Inner", "pkg/Outer", "C", 0);
        cw.visitInnerClass("pkg/Outer$1", null, null, 0);

        fv = cw.visitField(ACC_PRIVATE + ACC_DEPRECATED, "i", "I", null, null);
        fv.visitEnd();

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

    public static byte[] dump1() {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        FieldVisitor fv;
        MethodVisitor mv;

        cw.visit(V1_4, ACC_SUPER, "pkg/Outer$1", null, "pkg/Outer", null);

        cw.visitOuterClass("pkg/Outer", "m", "()V");
        cw.visitInnerClass("pkg/Outer$1", null, null, 0);

        fv = cw.visitField(ACC_FINAL + ACC_SYNTHETIC,
                "this$0",
                "Lpkg/Outer;",
                null,
                null);
        fv.visitEnd();

        mv = cw.visitMethod(0, "<init>", "(Lpkg/Outer;)V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
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        return cw.toByteArray();
    }

    public static byte[] dumpInner() {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        FieldVisitor fv;
        MethodVisitor mv;

        cw.visit(V1_4,
                ACC_SUPER,
                "pkg/Outer$Inner",
                null,
                "java/lang/Object",
                null);

        cw.visitInnerClass("pkg/Outer$Inner", "pkg/Outer", "C", 0);

        fv = cw.visitField(ACC_FINAL + ACC_SYNTHETIC,
                "this$0",
                "Lpkg/Outer;",
                null,
                null);
        fv.visitEnd();

        mv = cw.visitMethod(0, "<init>", "(Lpkg/Outer;)V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
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        return cw.toByteArray();
    }

    public byte[] dumpAnnotated() {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        FieldVisitor fv;
        MethodVisitor mv;
        AnnotationVisitor av0, av1;

        cw.visit(V1_5,
                ACC_PUBLIC + ACC_SUPER,
                "pkg/Annotated",
                null,
                "java/lang/Object",
                null);

        // visible class annotation
        cw.visitAnnotation(DEPRECATED, true).visitEnd();

        // invisible class annotation, with values of all types
        av0 = cw.visitAnnotation("Lpkg/Annotation;", false);
        av0.visit("byteValue", new Byte((byte) 0));
        av0.visit("charValue", new Character((char) 48));
        av0.visit("booleanValue", Boolean.FALSE);
        av0.visit("intValue", new Integer(0));
        av0.visit("shortValue", new Short((short) 0));
        av0.visit("longValue", new Long(0L));
        av0.visit("floatValue", new Float("0.0"));
        av0.visit("doubleValue", new Double("0.0"));
        av0.visit("stringValue", "0");
        av0.visitEnum("enumValue", "Lpkg/Enum;", "V0");
        av0.visitAnnotation("annotationValue", DOC).visitEnd();
        av0.visit("classValue", Type.getType("Lpkg/Annotation;"));
        av0.visit("byteArrayValue", new byte[] { 1, 0 });
        av0.visit("charArrayValue", new char[] { '1', '0' });
        av0.visit("booleanArrayValue", new boolean[] { true, false });
        av0.visit("intArrayValue", new int[] { 1, 0 });
        av0.visit("shortArrayValue", new short[] { (short) 1, (short) 0 });
        av0.visit("longArrayValue", new long[] { 1L, 0L });
        av0.visit("floatArrayValue", new float[] { 1.0f, 0.0f });
        av0.visit("doubleArrayValue", new double[] { 1.0d, 0.0d });
        av1 = av0.visitArray("stringArrayValue");
        av1.visit(null, "1");
        av1.visit(null, "0");
        av1.visitEnd();
        av0.visitArray("classArrayValue").visitEnd();
        av1 = av0.visitArray("enumArrayValue");
        av1.visitEnum(null, "Lpkg/Enum;", "V1");
        av1.visitEnum(null, "Lpkg/Enum;", "V2");
        av1.visitEnd();
        av0.visitArray("annotationArrayValue").visitEnd();
        av0.visitEnd();

        fv = cw.visitField(ACC_PUBLIC, "f", "I", null, null);
        // visible field annotation
        fv.visitAnnotation(DEPRECATED, true).visitEnd();
        // invisible field annotation
        av0 = fv.visitAnnotation("Lpkg/Annotation;", false);
        av0.visitEnum("enumValue", "Lpkg/Enum;", "V0");
        av0.visitEnd();
        fv.visitEnd();

        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(IIIIIIIIII)V", null, null);
        // visible method annotation
        mv.visitAnnotation(DEPRECATED, true).visitEnd();
        // invisible method annotation
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        } catch (Exception e) {
        }
    }

    public void testIllegalFieldMemberVisitAfterEnd() {
        FieldVisitor fv = new CheckFieldAdapter(new EmptyVisitor());
        fv.visitEnd();
        try {
            fv.visitAttribute(new Comment());
            fail();
        } catch (Exception e) {
        }
    }
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        } catch (Exception e) {
        }
    }

    public void testIllegalFieldAttribute() {
        FieldVisitor fv = new CheckFieldAdapter(new EmptyVisitor());
        try {
            fv.visitAttribute(null);
            fail();
        } catch (Exception e) {
        }
    }
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                "java/lang/Object",
                new String[] { "java/io/Serializable" });

        cw.visitSource("Debug.java", "source-debug");

        FieldVisitor fv = cw.visitField(ACC_FINAL + ACC_STATIC,
                "serialVersionUID",
                "J",
                null,
                new Long(1L));
        fv.visitEnd();

        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC,
                "<init>",
                "()V",
                null,
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