root/core/ErrorClass.h

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is [Open Source Virtual Machine.].
 *
 * The Initial Developer of the Original Code is
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 * the Initial Developer. All Rights Reserved.
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 *   Adobe AS3 Team
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#ifndef __avmplus_ErrorClass__
#define __avmplus_ErrorClass__


namespace avmplus
{
        /**
         * class Error
         */
        class ErrorClass : public ClassClosure
        {
        public:
                ErrorClass(VTable* cvtable);

                Atom call(int argc, Atom* argv)
                {
                        return construct(argc, argv);
                }

                ScriptObject *createInstance(VTable *ivtable, ScriptObject *delegate);


                /**
                 * throwError is a convenience function for throwing
                 * an exception with a formatted error message,
                 * printf-style
                 */
                void throwError(int errorID, Stringp arg1=0, Stringp arg2=0, Stringp arg3=0);

                /** @name static methods */
                /*@{*/
                Stringp getErrorMessage(int errorID) const;
#ifdef DEBUGGER
                Atom getStackTrace(Atom thisAtom,
                                                   Atom *argv,
                                                   int argc);
#endif /* DEBUGGER */

                DECLARE_SLOTS_ErrorClass;
        };

        /**
         * The ErrorObject class is the C++ implementation of the
         * Error class in the ECMA-262 Specification.
         *
         * The main difference between an ErrorObject and a regular
         * ScriptObject is the presence of the stack trace, which
         * can be retrieved with the getStackTrace method.
         */
        class ErrorObject : public ScriptObject
        {
        public:
                ErrorObject(VTable *vtable, ScriptObject *delegate);
                ~ErrorObject() {
#ifdef DEBUGGER
                        stackTrace = 0; 
#endif
                }

                Stringp getStackTrace() const;
#ifdef DEBUGGER
                StackTrace* getStackTraceObject() const { return stackTrace; }

        private:
                StackTrace* stackTrace;
#endif /* DEBUGGER */

                DECLARE_SLOTS_ErrorObject;
        };

        /**
         * NativeErrorClass
         *
         * This class exists primarily to override the [[Call]] entry point
         * to the class closure, so that it constructs an error object
         * instead of attempting a coercion.
         */
        class NativeErrorClass : public ClassClosure
        {
        public:
                NativeErrorClass(VTable* cvtable);

                Atom call(int argc, Atom* argv)
                {
                        return construct(argc, argv);
                }
        };

        #define DECLARE_NATIVE_ERROR_CLASS(cls, obj)                                                                                            \
                class obj : public ErrorObject                                                                                                                  \
                {                                                                                                                                                                               \
                public:                                                                                                                                                                 \
                        REALLY_INLINE obj(VTable *vtable, ScriptObject *delegate)                                                       \
                                : ErrorObject(vtable, delegate) {}                                                                                              \
                        DECLARE_SLOTS_##obj;                                                                                                                            \
                };                                                                                                                                                                              \
                class cls : public NativeErrorClass                                                                                                             \
                {                                                                                                                                                                               \
                public:                                                                                                                                                                 \
                        REALLY_INLINE cls(VTable* cvtable)                                                                                                      \
                                : NativeErrorClass(cvtable) {}                                                                                                  \
                        ScriptObject *createInstance(VTable *ivtable, ScriptObject *delegate)                           \
                        {                                                                                                                                                                       \
                                return new (ivtable->gc(), ivtable->getExtraSize()) obj(ivtable, delegate);             \
                        }                                                                                                                                                                       \
                        DECLARE_SLOTS_##cls;                                                                                                                            \
                };
        DECLARE_NATIVE_ERROR_CLASS(DefinitionErrorClass, DefinitionErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(EvalErrorClass, EvalErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(RangeErrorClass, RangeErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(ReferenceErrorClass, ReferenceErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(SecurityErrorClass, SecurityErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(SyntaxErrorClass, SyntaxErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(TypeErrorClass, TypeErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(URIErrorClass, URIErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(VerifyErrorClass, VerifyErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(UninitializedErrorClass, UninitializedErrorObject)
        DECLARE_NATIVE_ERROR_CLASS(ArgumentErrorClass, ArgumentErrorObject)

}

#endif /* __avmplus_ErrorClass__ */

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