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/*
* Copyright (C) 2003, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef JAVASCRIPTCORE_BINDINGS_RUNTIME_H
#define JAVASCRIPTCORE_BINDINGS_RUNTIME_H
#include <runtime/JSString.h>
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace JSC {
class ArgList;
class Identifier;
class JSGlobalObject;
class PropertyNameArray;
class RuntimeObjectImp;
namespace Bindings {
class Instance;
class Method;
class RootObject;
typedef Vector<Method*> MethodList;
class Field {
public:
virtual const char* name() const = 0;
virtual JSValue* valueFromInstance(ExecState*, const Instance*) const = 0;
virtual void setValueToInstance(ExecState*, const Instance*, JSValue*) const = 0;
virtual ~Field() { }
};
class Method : Noncopyable {
public:
virtual const char *name() const = 0;
virtual int numParameters() const = 0;
virtual ~Method() { }
};
class Class : Noncopyable {
public:
virtual const char* name() const = 0;
virtual MethodList methodsNamed(const Identifier&, Instance*) const = 0;
virtual Field* fieldNamed(const Identifier&, Instance*) const = 0;
virtual JSValue* fallbackObject(ExecState*, Instance*, const Identifier&) { return jsUndefined(); }
virtual ~Class() { }
};
typedef void (*KJSDidExecuteFunctionPtr)(ExecState*, JSObject* rootObject);
class Instance : public RefCounted<Instance> {
public:
typedef enum {
#if ENABLE(MAC_JAVA_BRIDGE)
JavaLanguage,
#endif
#if PLATFORM(MAC)
ObjectiveCLanguage,
#endif
CLanguage
#if PLATFORM(QT)
, QtLanguage
#endif
} BindingLanguage;
Instance(PassRefPtr<RootObject>);
static void setDidExecuteFunction(KJSDidExecuteFunctionPtr func);
static KJSDidExecuteFunctionPtr didExecuteFunction();
static RuntimeObjectImp* createRuntimeObject(ExecState*, PassRefPtr<Instance>);
static Instance* getInstance(JSObject*, BindingLanguage);
// These functions are called before and after the main entry points into
// the native implementations. They can be used to establish and cleanup
// any needed state.
void begin();
void end();
virtual Class *getClass() const = 0;
virtual JSValue* getValueOfField(ExecState*, const Field*) const;
virtual JSValue* getValueOfUndefinedField(ExecState*, const Identifier&) const { return jsUndefined(); }
virtual void setValueOfField(ExecState*, const Field*, JSValue*) const;
virtual bool supportsSetValueOfUndefinedField() { return false; }
virtual void setValueOfUndefinedField(ExecState*, const Identifier&, JSValue*) {}
virtual JSValue* invokeMethod(ExecState*, const MethodList&, const ArgList& args) = 0;
virtual bool supportsInvokeDefaultMethod() const { return false; }
virtual JSValue* invokeDefaultMethod(ExecState*, const ArgList&) { return jsUndefined(); }
virtual bool supportsConstruct() const { return false; }
virtual JSValue* invokeConstruct(ExecState*, const ArgList&) { return 0; }
virtual void getPropertyNames(ExecState*, PropertyNameArray&) { }
virtual JSValue* defaultValue(ExecState*, PreferredPrimitiveType) const = 0;
virtual JSValue* valueOf(ExecState* exec) const { return jsString(exec, getClass()->name()); }
RootObject* rootObject() const;
virtual ~Instance();
virtual BindingLanguage getBindingLanguage() const = 0;
protected:
virtual void virtualBegin() { }
virtual void virtualEnd() { }
RefPtr<RootObject> _rootObject;
};
class Array : Noncopyable {
public:
Array(PassRefPtr<RootObject>);
virtual ~Array();
virtual void setValueAt(ExecState *, unsigned index, JSValue*) const = 0;
virtual JSValue* valueAt(ExecState *, unsigned index) const = 0;
virtual unsigned int getLength() const = 0;
protected:
RefPtr<RootObject> _rootObject;
};
const char *signatureForParameters(const ArgList&);
typedef HashMap<RefPtr<UString::Rep>, MethodList*> MethodListMap;
typedef HashMap<RefPtr<UString::Rep>, Method*> MethodMap;
typedef HashMap<RefPtr<UString::Rep>, Field*> FieldMap;
} // namespace Bindings
} // namespace JSC
#endif
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