Package org.objectweb.asm

Examples of org.objectweb.asm.ClassWriter.visitField()

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        Type throwableType = Type.getType(Throwable.class);
        Type scriptSourceType = Type.getType(ScriptSource.class);
        Type integerType = Type.getType(Integer.class);

        // GENERATE private ExceptionHelper helper;
        visitor.visitField(Opcodes.ACC_PRIVATE, "helper", helperType.getDescriptor(), null, null);

        // GENERATE <init>(<type> target, ScriptSource source, Integer lineNumber)

        String methodDescriptor = Type.getMethodDescriptor(Type.VOID_TYPE,
                new Type[]{superclassType, scriptSourceType, integerType});
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        // start class
        cw.visit(Opcodes.V1_3, access, name, signature, supername,
                interfaceNames);

        cw.visitField(Opcodes.ACC_PRIVATE, INVOCATION_HANDLER_FIELD_NAME,
                INVOCATION_HANDLER_TYPE.getDescriptor(), null, null).visitEnd();

        cw.visitField(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
                PROXY_CLASS_FIELD_NAME, PROXY_CLASS_TYPE.getDescriptor(), null,
                null).visitEnd();
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                interfaceNames);

        cw.visitField(Opcodes.ACC_PRIVATE, INVOCATION_HANDLER_FIELD_NAME,
                INVOCATION_HANDLER_TYPE.getDescriptor(), null, null).visitEnd();

        cw.visitField(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
                PROXY_CLASS_FIELD_NAME, PROXY_CLASS_TYPE.getDescriptor(), null,
                null).visitEnd();

        return cw;
    }
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        // construct the class, implementing all supertypes
        cw.visit(V1_5, ACC_PUBLIC | ACC_SUPER, name, null, p(Object.class), superTypeNames);
       
        // fields needed for dispatch and such
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "ruby", ci(Ruby.class), null, null).visitEnd();
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "rubyClass", ci(RubyClass.class), null, null).visitEnd();
        cw.visitField(ACC_PRIVATE | ACC_FINAL, "self", ci(IRubyObject.class), null, null).visitEnd();
       
        // create constructor
        SkinnyMethodAdapter initMethod = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "<init>", sig(void.class), null, null));
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        // construct the class, implementing all supertypes
        cw.visit(V1_5, ACC_PUBLIC | ACC_SUPER, name, null, p(Object.class), superTypeNames);
       
        // fields needed for dispatch and such
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "ruby", ci(Ruby.class), null, null).visitEnd();
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "rubyClass", ci(RubyClass.class), null, null).visitEnd();
        cw.visitField(ACC_PRIVATE | ACC_FINAL, "self", ci(IRubyObject.class), null, null).visitEnd();
       
        // create constructor
        SkinnyMethodAdapter initMethod = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "<init>", sig(void.class), null, null));
        initMethod.aload(0);
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        cw.visit(V1_5, ACC_PUBLIC | ACC_SUPER, name, null, p(Object.class), superTypeNames);
       
        // fields needed for dispatch and such
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "ruby", ci(Ruby.class), null, null).visitEnd();
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "rubyClass", ci(RubyClass.class), null, null).visitEnd();
        cw.visitField(ACC_PRIVATE | ACC_FINAL, "self", ci(IRubyObject.class), null, null).visitEnd();
       
        // create constructor
        SkinnyMethodAdapter initMethod = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "<init>", sig(void.class), null, null));
        initMethod.aload(0);
        initMethod.invokespecial(p(Object.class), "<init>", sig(void.class));
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        // for each simple method name, implement the complex methods, calling the simple version
        for (Map.Entry<String, List<Method>> entry : simpleToAll.entrySet()) {
            String simpleName = entry.getKey();
           
            // all methods dispatch to the simple version by default, which is method_missing normally
            cw.visitField(ACC_STATIC | ACC_PUBLIC | ACC_VOLATILE, simpleName, ci(DynamicMethod.class), null, null).visitEnd();
           
            for (Method method : entry.getValue()) {
                Class[] paramTypes = method.getParameterTypes();
                Class returnType = method.getReturnType();
               
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                String fieldName = mangleMethodFieldName(simpleName, paramTypes);
               
                // try specific name first, falling back on simple name
                Label dispatch = new Label();
                cw.visitField(ACC_STATIC | ACC_PUBLIC | ACC_VOLATILE, fieldName, ci(DynamicMethod.class), null, null).visitEnd();
                mv.getstatic(name, fieldName, ci(DynamicMethod.class));
                mv.dup();
                mv.ifnonnull(dispatch);
                mv.pop();
                mv.getstatic(name, simpleName, ci(DynamicMethod.class));
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        // construct the class, implementing all supertypes
        cw.visit(V1_5, ACC_PUBLIC | ACC_SUPER, pathName, null, p(Object.class), superTypeNames);
       
        // fields needed for dispatch and such
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "ruby", ci(Ruby.class), null, null).visitEnd();
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "rubyClass", ci(RubyClass.class), null, null).visitEnd();
        cw.visitField(ACC_PRIVATE | ACC_FINAL, "self", ci(IRubyObject.class), null, null).visitEnd();
       
        // create constructor
        SkinnyMethodAdapter initMethod = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "<init>", sig(void.class, IRubyObject.class), null, null));
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        // construct the class, implementing all supertypes
        cw.visit(V1_5, ACC_PUBLIC | ACC_SUPER, pathName, null, p(Object.class), superTypeNames);
       
        // fields needed for dispatch and such
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "ruby", ci(Ruby.class), null, null).visitEnd();
        cw.visitField(ACC_STATIC | ACC_PRIVATE, "rubyClass", ci(RubyClass.class), null, null).visitEnd();
        cw.visitField(ACC_PRIVATE | ACC_FINAL, "self", ci(IRubyObject.class), null, null).visitEnd();
       
        // create constructor
        SkinnyMethodAdapter initMethod = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "<init>", sig(void.class, IRubyObject.class), null, null));
        initMethod.aload(0);
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