1/*
2 * This file is part of the KDE libraries
3 * Copyright (C) 2003-2006 Apple Computer, Inc
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22#include "JSImmediate.h"
23#include "object.h"
24
25namespace KJS {
26
27JSObject *JSImmediate::toObject(const JSValue *v, ExecState *exec)
28{
29 assert(isImmediate(v));
30 if (v == jsNull())
31 return throwError(exec, TypeError, "Null value");
32 else if (v == jsUndefined())
33 return throwError(exec, TypeError, "Undefined value");
34 else if (isBoolean(v)) {
35 List args;
36 args.append(const_cast<JSValue *>(v));
37 return exec->lexicalInterpreter()->builtinBoolean()->construct(exec, args);
38 } else {
39 ASSERT(isNumber(v));
40 List args;
41 args.append(const_cast<JSValue *>(v));
42 return exec->lexicalInterpreter()->builtinNumber()->construct(exec, args);
43 }
44}
45
46UString JSImmediate::toString(const JSValue *v)
47{
48 ASSERT(isImmediate(v));
49
50 if (v == jsNull())
51 return "null";
52 else if (v == jsUndefined())
53 return "undefined";
54 else if (v == jsBoolean(true))
55 return "true";
56 else if (v == jsBoolean(false))
57 return "false";
58 else {
59 assert(isNumber(v));
60 double d = toDouble(v);
61 if (d == 0.0) // +0.0 or -0.0
62 return "0";
63 return UString::from(d);
64 }
65}
66
67JSType JSImmediate::type(const JSValue *v)
68{
69 ASSERT(isImmediate(v));
70
71 uintptr_t tag = getTag(v);
72 if (tag == UndefinedType)
73 return v == jsUndefined() ? UndefinedType : NullType;
74 return static_cast<JSType>(tag);
75}
76
77} // namespace KJS
78