1 | /* |
2 | * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) |
3 | * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
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 "config.h" |
23 | #include "Operations.h" |
24 | |
25 | #include "Error.h" |
26 | #include "JSObject.h" |
27 | #include "JSString.h" |
28 | #include <math.h> |
29 | #include <stdio.h> |
30 | #include <wtf/MathExtras.h> |
31 | |
32 | namespace JSC { |
33 | |
34 | bool JSValue::equalSlowCase(ExecState* exec, JSValue v1, JSValue v2) |
35 | { |
36 | return equalSlowCaseInline(exec, v1, v2); |
37 | } |
38 | |
39 | bool JSValue::strictEqualSlowCase(ExecState* exec, JSValue v1, JSValue v2) |
40 | { |
41 | return strictEqualSlowCaseInline(exec, v1, v2); |
42 | } |
43 | |
44 | NEVER_INLINE JSValue throwOutOfMemoryError(ExecState* exec) |
45 | { |
46 | JSObject* error = Error::create(exec, GeneralError, message: "Out of memory" ); |
47 | exec->setException(error); |
48 | return error; |
49 | } |
50 | |
51 | NEVER_INLINE JSValue jsAddSlowCase(CallFrame* callFrame, JSValue v1, JSValue v2) |
52 | { |
53 | // exception for the Date exception in defaultValue() |
54 | JSValue p1 = v1.toPrimitive(exec: callFrame); |
55 | JSValue p2 = v2.toPrimitive(exec: callFrame); |
56 | |
57 | if (p1.isString()) { |
58 | return p2.isString() |
59 | ? jsString(exec: callFrame, s1: asString(value: p1), s2: asString(value: p2)) |
60 | : jsString(exec: callFrame, s1: asString(value: p1), u2: p2.toString(exec: callFrame)); |
61 | } |
62 | if (p2.isString()) |
63 | return jsString(exec: callFrame, u1: p1.toString(exec: callFrame), s2: asString(value: p2)); |
64 | |
65 | return jsNumber(exec: callFrame, d: p1.toNumber(exec: callFrame) + p2.toNumber(exec: callFrame)); |
66 | } |
67 | |
68 | JSValue jsTypeStringForValue(CallFrame* callFrame, JSValue v) |
69 | { |
70 | if (v.isUndefined()) |
71 | return jsNontrivialString(exec: callFrame, s: "undefined" ); |
72 | if (v.isBoolean()) |
73 | return jsNontrivialString(exec: callFrame, s: "boolean" ); |
74 | if (v.isNumber()) |
75 | return jsNontrivialString(exec: callFrame, s: "number" ); |
76 | if (v.isString()) |
77 | return jsNontrivialString(exec: callFrame, s: "string" ); |
78 | if (v.isObject()) { |
79 | // Return "undefined" for objects that should be treated |
80 | // as null when doing comparisons. |
81 | if (asObject(value: v)->structure()->typeInfo().masqueradesAsUndefined()) |
82 | return jsNontrivialString(exec: callFrame, s: "undefined" ); |
83 | CallData callData; |
84 | if (asObject(value: v)->getCallData(callData) != CallTypeNone) |
85 | return jsNontrivialString(exec: callFrame, s: "function" ); |
86 | } |
87 | return jsNontrivialString(exec: callFrame, s: "object" ); |
88 | } |
89 | |
90 | bool jsIsObjectType(JSValue v) |
91 | { |
92 | if (!v.isCell()) |
93 | return v.isNull(); |
94 | |
95 | JSType type = asCell(value: v)->structure()->typeInfo().type(); |
96 | if (type == NumberType || type == StringType) |
97 | return false; |
98 | if (type == ObjectType) { |
99 | if (asObject(value: v)->structure()->typeInfo().masqueradesAsUndefined()) |
100 | return false; |
101 | CallData callData; |
102 | if (asObject(value: v)->getCallData(callData) != CallTypeNone) |
103 | return false; |
104 | } |
105 | return true; |
106 | } |
107 | |
108 | bool jsIsFunctionType(JSValue v) |
109 | { |
110 | if (v.isObject()) { |
111 | CallData callData; |
112 | if (asObject(value: v)->getCallData(callData) != CallTypeNone) |
113 | return true; |
114 | } |
115 | return false; |
116 | } |
117 | |
118 | } // namespace JSC |
119 | |