Package org.jboss.byteman.rule.binding

Examples of org.jboss.byteman.rule.binding.Bindings

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    {
        if (bindingIndicesSet) {
            return;
        }

        Bindings bindings = rule.getBindings();
        Iterator<Binding> iterator = bindings.iterator();
        List<Binding> aliasBindings = new ArrayList<Binding>();
        int argLocalIndex = 0;

        // if this is an instance method then the local 0 holds this and args start at local index 1

        if ((access & Opcodes.ACC_STATIC) == 0) {
            argLocalIndex += 1;
        }

        // compute the local indices of each method parameter

        for (int i = 0; i < argumentTypes.length; i++) {
            argLocalIndices[i] = argLocalIndex;
            argLocalIndex += argumentTypes[i].getSize();
        }

        // check the local var bindings and, if any of them are actually refereces to method params
        // alias them to the corresponding param binding

        while (iterator.hasNext()) {
            Binding binding = iterator.next();
            if  (binding.isLocalVar()){
                int localIdx = binding.getLocalIndex();
                if (localIdx < argLocalIndex) {
                    binding = alias(binding, bindings, localIdx);
                    if (binding != null) {
                        // the aliased param binding was not present so ensure it gets added to the
                        // binding set once we have finished iterating. there is no need to add it
                        // to the call bindings since we pass the aliased method param instead
                        aliasBindings.add(binding);
                    }
                } else {
                    callArrayBindings.add(binding);
                }
            }
        }

        bindings.addBindings(aliasBindings);
       
        // now iterate over the param vars and ensure they go into the call bindings list

        iterator = bindings.iterator();
       
        while (iterator.hasNext()) {
            Binding binding = iterator.next();
            if (binding.isParam()) {
                callArrayBindings.add(binding);
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        int paramCount = paramTypes.size();
        int errorCount = 0;

        TypeGroup typegroup = rule.getTypeGroup();

        Bindings bindings = rule.getBindings();
        Iterator<Binding> iterator = bindings.iterator();

        while (iterator.hasNext()) {
            Binding binding = iterator.next();

            if (binding.getType() == Type.UNDEFINED) {
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    {
        if (!isTriggerPoint()) {
            return false;
        }
       
        Bindings bindings = rule.getBindings();
        Iterator<Binding> bindingIter = bindings.iterator();
        List<String> parameterTypenames = Type.parseMethodDescriptor(descriptor, true);
        int parameterCount = parameterTypenames.size() - 1; // allows for return type

        // make sure all entries are valid
        while (bindingIter.hasNext()) {
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        if (eventTree == null || eventTree.getTag() == NOTHING) {
            return;
        }
       
        Bindings bindings = getBindings();

        // we bundle exceptions from each binding to report more than just the first error

        List<TypeException> exceptions = new ArrayList<TypeException>();
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            throws ExecuteException
    {
        if (Transformer.isVerbose()) {
            System.out.println(rule.getName() + " execute");
        }
        Bindings bindings = rule.getBindings();
        Iterator<Binding> iterator = bindings.iterator();
        while (iterator.hasNext()) {
            Binding binding = iterator.next();
            String name = binding.getName();
            if (binding.isAlias()) {
                // this is a local var used to refer to a method recipient or parameter
                // so use the value and type associated with the alias
                binding = binding.getAlias();
            }
            if (binding.isHelper()) {
                bindingMap.put(name, this);
            } else if (binding.isRecipient()) {
                bindingMap.put(name, recipient);
            // } else if (!binding.isParam() || binding.isLocalVar() || binding.isReturn() ||
            //         binding.isThrowable() || binding.isParamCount() || binding.isParamArray()) {
            } else if (!binding.isBindVar()) {
                bindingMap.put(name, args[binding.getCallArrayIndex()]);
            }
        }

        // now do the actual execution

        execute0();

        // now restore update bindings

        iterator = bindings.iterator();

        while (iterator.hasNext()) {
            Binding binding = iterator.next();
            String name = binding.getName();
            if (binding.isAlias()) {
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    public void bind(boolean isUpdateable) throws TypeException
    {
        // ensure that there is a binding in the bindings set for this parameter
        // we will type check the binding later

        Bindings bindings = getBindings();

        binding = bindings.lookup(name);

        if (binding == null) {
            binding = new Binding(rule, name, null);
            bindings.append(binding);
        }
       
        if (isUpdateable) {
            binding.setUpdated();
        }
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            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V");
            // end if
            mv.visitLabel(l0);

            Bindings bindings = rule.getBindings();
            Iterator<Binding> iterator = bindings.iterator();

            while (iterator.hasNext()) {
                Binding binding = iterator.next();
                String name = binding.getName();
                if (binding.isAlias()) {
                    // lookups and updates will use the aliased name
                    continue;
                }
                if (binding.isHelper()) {
                    // bindingMap.put(name, this);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, compiledHelperName, "bindingMap", "Ljava/util/HashMap;");
                    mv.visitLdcInsn(name);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/util/HashMap", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
                    mv.visitInsn(POP);
                } else if (binding.isRecipient()) {
                    // bindingMap.put(name, recipient);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, compiledHelperName, "bindingMap", "Ljava/util/HashMap;");
                    mv.visitLdcInsn(name);
                    mv.visitVarInsn(ALOAD, 1);
                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/util/HashMap", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
                    mv.visitInsn(POP);
                // } else if (binding.isParam() || binding.isLocalVar() || binding.isReturn() ||
                //             binding.isThrowable() || binding.isParamCount() || binding.isParamArray()) {
                } else if (!binding.isBindVar()) {
                    // bindingMap.put(name, args[binding.getCallArrayIndex()]);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, compiledHelperName, "bindingMap", "Ljava/util/HashMap;");
                    mv.visitLdcInsn(name);
                    mv.visitVarInsn(ALOAD, 2);
                    mv.visitLdcInsn(binding.getCallArrayIndex());
                    mv.visitInsn(AALOAD);
                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/util/HashMap", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
                    mv.visitInsn(POP);
                }
            }

            // execute0()
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, compiledHelperName, "execute0", "()V");

            // now restore update bindings

            iterator = bindings.iterator();

            while (iterator.hasNext()) {
                Binding binding = iterator.next();
                if (binding.isAlias()) {
                    continue;
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        this.ruleScript = ruleScript;
        this.helperClass = null;
        this.loader = loader;

        typeGroup = new TypeGroup(loader);
        bindings = new Bindings();
        checked = false;
        triggerClass = null;
        triggerMethod = null;
        triggerDescriptor = null;
        triggerAccess = 0;
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    {
        if (bindingIndicesSet) {
            return;
        }

        Bindings bindings = rule.getBindings();
        Iterator<Binding> iterator = bindings.iterator();
        List<Binding> aliasBindings = new ArrayList<Binding>();
        int argLocalIndex = 0;

        // if this is an instance method then the local 0 holds this and args start at local index 1

        if ((access & Opcodes.ACC_STATIC) == 0) {
            argLocalIndex += 1;
        }

        // compute the local indices of each method parameter

        for (int i = 0; i < argumentTypes.length; i++) {
            argLocalIndices[i] = argLocalIndex;
            argLocalIndex += argumentTypes[i].getSize();
        }

        // check the local var bindings and, if any of them are actually refereces to method params
        // alias them to the corresponding param binding

        while (iterator.hasNext()) {
            Binding binding = iterator.next();
            if  (binding.isLocalVar()){
                int localIdx = binding.getLocalIndex();
                if (localIdx < argLocalIndex) {
                    binding = alias(binding, bindings, localIdx);
                    if (binding != null) {
                        // the aliased param binding was not present so ensure it gets added to the
                        // binding set once we have finished iterating. there is no need to add it
                        // to the call bindings since we pass the aliased method param instead
                        aliasBindings.add(binding);
                    }
                } else {
                    callArrayBindings.add(binding);
                }
            }
        }

        bindings.addBindings(aliasBindings);
       
        // now iterate over the param vars and ensure they go into the call bindings list

        iterator = bindings.iterator();
       
        while (iterator.hasNext()) {
            Binding binding = iterator.next();
            if (binding.isParam()) {
                callArrayBindings.add(binding);
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        int paramCount = paramTypes.size() - 1;
        int errorCount = 0;

        TypeGroup typegroup = rule.getTypeGroup();

        Bindings bindings = rule.getBindings();
        Iterator<Binding> iterator = bindings.iterator();

        while (iterator.hasNext()) {
            Binding binding = iterator.next();

            if (binding.getType() == Type.UNDEFINED) {
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Related Classes of org.jboss.byteman.rule.binding.Bindings

  • org.jboss.byteman.agent.adapter.RuleCheckMethodAdapter
  • org.jboss.byteman.agent.adapter.RuleTriggerMethodAdapter
  • org.jboss.byteman.check.RuleCheck
  • org.jboss.byteman.rule.compiler.Compiler
  • org.jboss.byteman.rule.Event
  • org.jboss.byteman.rule.expression.DollarExpression
  • org.jboss.byteman.rule.helper.InterpretedHelper
  • org.jboss.byteman.rule.Rule
  • org.jboss.byteman.test.TestScript
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