Examples of org.apache.flex.compiler.definitions.IDefinition

Package org.apache.flex.compiler.definitions

Examples of org.apache.flex.compiler.definitions.IDefinition

org.apache.flex.compiler.definitions.IDefinition
The base class for all definitions.
A definition is something in source code that can be referred to by name: a package, namespace, class, interface, function, getter, setter, parameter, variable, constant, event, style, or effect.

Each definition has
- a source location;
- an optional list of metadata annotations;
- a namespace reference indicating its visibility, such as public;
- a set of flags indicating modifiers such as static or override;
- a base, or unqualified, name;
- a type reference (which may be null for some types of definitions.
Specific types of definitions of course store additional information. For example, a class definition stores a reference to the class it extends and references to the interfaces that it implements.
Definitions refer to other definitions indirectly, by name, using an IReference. See the references subpackage for an explanation of this design.

     */
    public void checkReference(Binding b, boolean forLValue)
    {
        if (b != null)
        {
            IDefinition definition = b.getDefinition();
            
            if (definition != null)
            {
                // Since the BURM doesn't currently understand whether a Binding
                // is for an l-value or an r-value, a Binding for an l-value

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     */
    public PooledValue checkInitialValue(IVariableNode iNode, Binding type, PooledValue initial_value)
    {
        assert initial_value != null : "Caller's should generate a compiler problem when a default_value is missing and *not* call this method!";
        ISourceLocation assignedValueExpressionLocation = iNode.getAssignedValueNode();
        IDefinition target_type = type.getDefinition();
        
        return checkInitialValue(assignedValueExpressionLocation, target_type, initial_value);
        
    }

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    /**
     *  Ensure a super-qualified access is in an instance method.
     */
    public void checkSuperAccess(IASNode iNode)
    {
        IDefinition def = utils.getDefinition(iNode);
        
        //  If def isn't null, then we know this is a valid expression.
        //  if def is null, allow super.foo if the reference is in an
        //  instance function.
        if ( def == null && !utils.isInInstanceFunction(iNode) )

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    {
        IASNode operand = ((IUnaryOperatorNode)iNode).getOperandNode();


        checkImplicitConversion(operand, utils.numberType());


        IDefinition def = utils.getDefinition(operand);
        
        if ( utils.isReadOnlyDefinition(def) )
        {
            if ( is_incr )
                addProblem(new InvalidIncrementOperandProblem(iNode));

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     *  i.e., the target of an assignment
     *  or other storage-mutating operation.
     */
    public void checkLValue(IASNode iNode, Binding binding)
    {
        IDefinition def = binding.getDefinition();


        if ( SemanticUtils.isThisKeyword(binding.getNode()) )
        {
            addProblem(new AssignToNonReferenceValueProblem(binding.getNode()));
        }

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        IASNode member_node = member.getNode();


        if ( member_node == null )
            return;


        IDefinition def = utils.getDefinition(member_node);


        if ( def == null && utils.definitionCanBeAnalyzed(member) )
        {
            // if it is foo.mx_internal::someProp, just say it passes
            if (member_node.getParent() instanceof NamespaceAccessExpressionNode)

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    {
        final ExpressionNodeBase name = ((FunctionCallNode)call_node).getNameNode();
        if (name instanceof MemberAccessExpressionNode)
        {
            final MemberAccessExpressionNode func_name = (MemberAccessExpressionNode)name;
            final IDefinition def = func_name.resolve(project);
            if ( def instanceof InterfaceDefinition )
            {
                addProblem(new InterfaceCannotBeInstantiatedProblem(call_node));
            }
            else if ( def instanceof ClassDefinition )

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    /**
     *  Check a new expression.
     */
    public void checkNewExpr(IASNode iNode, Binding class_binding, Vector<? extends Object> args)
    {
        IDefinition def = class_binding.getDefinition();


        if ( class_binding.isLocal() )
        {
            //  No checking required.
        }

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        if ( func_def != null )
        {
            try
            {
                IExpressionNode returnExpression = ((IReturnNode)iNode).getReturnValueNode();
                IDefinition return_type = func_def.resolveReturnType(project);


                //  void has its own special type logic.
                if ( ClassDefinition.getVoidClassDefinition().equals(return_type) )
                {
                    IDefinition value_type = ((ExpressionNodeBase)returnExpression).resolveType(project);
                    if ( value_type != null && ! value_type.equals(ClassDefinition.getVoidClassDefinition()) )
                        addProblem(new ReturnValueMustBeUndefinedProblem(returnExpression));
                }
                else if ( func_def.isConstructor() )
                {
                    addProblem(new ReturnValueInConstructorProblem(returnExpression));

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        }
        
        // Check if a deprecated definition is being imported.
        if (!importNode.isWildcardImport())
        {
            IDefinition importedDefinition = importNode.resolveImport(project);
            checkDeprecated(site, importedDefinition);
        }
    }

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