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