--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/JavaScriptCore/kjs/internal.h Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,172 @@
+// -*- 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>
+
+#define I18N_NOOP(s) s
+
+namespace KJS {
+
+ class FunctionPrototype;
+
+ // ---------------------------------------------------------------------------
+ // Primitive impls
+ // ---------------------------------------------------------------------------
+
+ class StringImp : public JSCell {
+ public:
+ StringImp(const UString& v) : val(v) { Collector::reportExtraMemoryCost(v.cost()); }
+ enum HasOtherOwnerType { HasOtherOwner };
+ StringImp(const UString& value, HasOtherOwnerType) : val(value) { }
+ UString value() const { return val; }
+
+ JSType type() const { return StringType; }
+
+ JSValue *toPrimitive(ExecState *exec, JSType preferred = UnspecifiedType) const;
+ bool toBoolean(ExecState *exec) const;
+ double toNumber(ExecState *exec) const;
+ UString toString(ExecState *exec) const;
+ JSObject *toObject(ExecState *exec) const;
+
+ private:
+ UString val;
+ };
+
+ class NumberImp : public JSCell {
+ friend class ConstantValues;
+ friend JSValue *jsNumberCell(double);
+ public:
+ double value() const { return val; }
+
+ JSType type() const { return NumberType; }
+
+ JSValue *toPrimitive(ExecState *exec, JSType preferred = UnspecifiedType) const;
+ 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;
+
+ double val;
+ };
+
+
+ /**
+ * @short The "label set" in Ecma-262 spec
+ */
+ class LabelStack : Noncopyable {
+ public:
+ LabelStack()
+ : tos(0)
+ {
+ }
+ ~LabelStack();
+
+ /**
+ * If id is not empty and is not in the stack already, puts it on top of
+ * the stack and returns true, otherwise returns false
+ */
+ bool push(const Identifier &id);
+ /**
+ * Is the id in the stack?
+ */
+ bool contains(const Identifier &id) const;
+ /**
+ * Removes from the stack the last pushed id (what else?)
+ */
+ void pop();
+
+ private:
+ struct StackElem {
+ Identifier id;
+ StackElem *prev;
+ };
+
+ StackElem *tos;
+ };
+
+
+ // ---------------------------------------------------------------------------
+ // 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
+ IMPORT
+ double roundValue(ExecState *, JSValue *);
+
+#ifndef NDEBUG
+ void printInfo(ExecState *exec, const char *s, JSValue *, int lineno = -1);
+#endif
+
+inline LabelStack::~LabelStack()
+{
+ StackElem *prev;
+ for (StackElem *e = tos; e; e = prev) {
+ prev = e->prev;
+ delete e;
+ }
+}
+
+inline void LabelStack::pop()
+{
+ if (StackElem *e = tos) {
+ tos = e->prev;
+ delete e;
+ }
+}
+
+} // namespace
+
+#endif // INTERNAL_H