kdelibs/kjs/internal.h
Ivailo Monev 39f1e04295 generic: add back khtml and kjs with some changes
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2015-11-09 23:23:53 +02:00

131 lines
4.1 KiB
C++

// -*- c-basic-offset: 2 -*-
/*
* This file is part of the KDE libraries
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef INTERNAL_H
#define INTERNAL_H
#include "JSType.h"
#include "interpreter.h"
#include "object.h"
#include "protect.h"
#include "scope_chain.h"
#include "types.h"
#include "ustring.h"
#include <wtf/Noncopyable.h>
#ifndef I18N_NOOP
#define I18N_NOOP(s) s
#endif
namespace KJS {
// ---------------------------------------------------------------------------
// Primitive impls
// ---------------------------------------------------------------------------
class StringImp : public JSCell {
public:
StringImp() : val(UString::empty) { }
StringImp(const UString& v) : val(v) { Collector::reportExtraMemoryCost(v.cost()); }
enum HasOtherOwnerType { HasOtherOwner }; // e.g. storage cost already accounted for
StringImp(const UString& value, HasOtherOwnerType) : val(value) { }
StringImp(const char* v) : val(v) { }
StringImp(const char* v, int len) : val(v, len) { }
const UString& value() const { return val; }
virtual JSType type() const { return StringType; }
virtual JSValue *toPrimitive(ExecState *exec, JSType preferred = UnspecifiedType) const;
virtual bool getPrimitiveNumber(ExecState*, double& number, JSValue*& value);
virtual bool toBoolean(ExecState *exec) const;
virtual double toNumber(ExecState *exec) const;
virtual UString toString(ExecState *exec) const;
virtual JSObject *toObject(ExecState *exec) const;
private:
UString val;
};
class NumberImp : public JSCell {
friend class ConstantValues;
friend KJS_EXPORT JSValue *jsNumberCell(double);
public:
double value() const { return val; }
JSType type() const { return NumberType; }
JSValue *toPrimitive(ExecState *exec, JSType preferred = UnspecifiedType) const;
virtual bool getPrimitiveNumber(ExecState*, double& number, JSValue*& value);
bool toBoolean(ExecState *exec) const;
double toNumber(ExecState *exec) const;
UString toString(ExecState *exec) const;
JSObject *toObject(ExecState *exec) const;
private:
NumberImp(double v) : val(v) { }
virtual bool getUInt32(uint32_t&) const;
virtual bool getTruncatedInt32(int32_t&) const;
virtual bool getTruncatedUInt32(uint32_t&) const;
double val;
};
// ---------------------------------------------------------------------------
// Evaluation
// ---------------------------------------------------------------------------
struct AttachedInterpreter;
class DebuggerImp {
public:
DebuggerImp() {
interps = 0;
isAborted = false;
}
void abort() { isAborted = true; }
bool aborted() const { return isAborted; }
AttachedInterpreter *interps;
bool isAborted;
};
// helper function for toInteger, toInt32, toUInt32 and toUInt16
double roundValue(double d);
inline double roundValue(ExecState *e, JSValue *v) { return roundValue(v->toNumber(e)); }
int32_t toInt32(double dd);
uint32_t toUInt32(double dd);
uint16_t toUInt16(double dd);
//#ifndef NDEBUG
void printInfo(ExecState *exec, const char *s, JSValue *, int lineno = -1);
//#endif
} // namespace
#endif // INTERNAL_H