1 | // -*- c-basic-offset: 2 -*- |
2 | /* |
3 | * This file is part of the KDE libraries |
4 | * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) |
5 | * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
6 | * Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc. |
7 | * |
8 | * This library is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Library General Public |
10 | * License as published by the Free Software Foundation; either |
11 | * version 2 of the License, or (at your option) any later version. |
12 | * |
13 | * This library is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Library General Public License for more details. |
17 | * |
18 | * You should have received a copy of the GNU Library General Public License |
19 | * along with this library; see the file COPYING.LIB. If not, write to |
20 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | * Boston, MA 02110-1301, USA. |
22 | * |
23 | */ |
24 | |
25 | #ifndef INTERNAL_H |
26 | #define INTERNAL_H |
27 | |
28 | #include "JSType.h" |
29 | #include "interpreter.h" |
30 | #include "object.h" |
31 | #include "protect.h" |
32 | #include "scope_chain.h" |
33 | #include "types.h" |
34 | #include "ustring.h" |
35 | |
36 | #include <wtf/Noncopyable.h> |
37 | |
38 | #ifndef I18N_NOOP |
39 | #define I18N_NOOP(s) s |
40 | #endif |
41 | |
42 | namespace KJS { |
43 | |
44 | |
45 | // --------------------------------------------------------------------------- |
46 | // Primitive impls |
47 | // --------------------------------------------------------------------------- |
48 | |
49 | class StringImp : public JSCell { |
50 | public: |
51 | StringImp() : val(UString::empty) { } |
52 | StringImp(const UString& v) : val(v) { Collector::reportExtraMemoryCost(v.cost()); } |
53 | enum HasOtherOwnerType { HasOtherOwner }; // e.g. storage cost already accounted for |
54 | StringImp(const UString& value, HasOtherOwnerType) : val(value) { } |
55 | StringImp(const char* v) : val(v) { } |
56 | StringImp(const char* v, int len) : val(v, len) { } |
57 | const UString& value() const { return val; } |
58 | |
59 | virtual JSType type() const { return StringType; } |
60 | |
61 | virtual JSValue *toPrimitive(ExecState *exec, JSType preferred = UnspecifiedType) const; |
62 | virtual bool getPrimitiveNumber(ExecState*, double& number, JSValue*& value); |
63 | virtual bool toBoolean(ExecState *exec) const; |
64 | virtual double toNumber(ExecState *exec) const; |
65 | virtual UString toString(ExecState *exec) const; |
66 | virtual JSObject *toObject(ExecState *exec) const; |
67 | |
68 | private: |
69 | UString val; |
70 | }; |
71 | |
72 | class NumberImp : public JSCell { |
73 | friend class ConstantValues; |
74 | friend KJS_EXPORT JSValue *jsNumberCell(double); |
75 | public: |
76 | double value() const { return val; } |
77 | |
78 | JSType type() const { return NumberType; } |
79 | |
80 | JSValue *toPrimitive(ExecState *exec, JSType preferred = UnspecifiedType) const; |
81 | virtual bool getPrimitiveNumber(ExecState*, double& number, JSValue*& value); |
82 | bool toBoolean(ExecState *exec) const; |
83 | double toNumber(ExecState *exec) const; |
84 | UString toString(ExecState *exec) const; |
85 | JSObject *toObject(ExecState *exec) const; |
86 | |
87 | private: |
88 | NumberImp(double v) : val(v) { } |
89 | |
90 | virtual bool getUInt32(uint32_t&) const; |
91 | virtual bool getTruncatedInt32(int32_t&) const; |
92 | virtual bool getTruncatedUInt32(uint32_t&) const; |
93 | |
94 | double val; |
95 | }; |
96 | |
97 | // --------------------------------------------------------------------------- |
98 | // Evaluation |
99 | // --------------------------------------------------------------------------- |
100 | |
101 | struct AttachedInterpreter; |
102 | class DebuggerImp { |
103 | public: |
104 | |
105 | DebuggerImp() { |
106 | interps = 0; |
107 | isAborted = false; |
108 | } |
109 | |
110 | void abort() { isAborted = true; } |
111 | bool aborted() const { return isAborted; } |
112 | |
113 | AttachedInterpreter *interps; |
114 | bool isAborted; |
115 | }; |
116 | |
117 | // helper function for toInteger, toInt32, toUInt32 and toUInt16 |
118 | double roundValue(double d); |
119 | inline double roundValue(ExecState *e, JSValue *v) { return roundValue(v->toNumber(e)); } |
120 | |
121 | int32_t toInt32(double dd); |
122 | uint32_t toUInt32(double dd); |
123 | uint16_t toUInt16(double dd); |
124 | |
125 | //#ifndef NDEBUG |
126 | void printInfo(ExecState *exec, const char *s, JSValue *, int lineno = -1); |
127 | //#endif |
128 | |
129 | } // namespace |
130 | |
131 | #endif // INTERNAL_H |
132 | |