1 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 : * vim: set ts=8 sw=4 et tw=99:
3 : *
4 : * ***** BEGIN LICENSE BLOCK *****
5 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 : *
7 : * The contents of this file are subject to the Mozilla Public License Version
8 : * 1.1 (the "License"); you may not use this file except in compliance with
9 : * the License. You may obtain a copy of the License at
10 : * http://www.mozilla.org/MPL/
11 : *
12 : * Software distributed under the License is distributed on an "AS IS" basis,
13 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14 : * for the specific language governing rights and limitations under the
15 : * License.
16 : *
17 : * The Original Code is SpiderMonkey method-guard code.
18 : *
19 : * The Initial Developer of the Original Code is
20 : * the Mozilla Foundation.
21 : * Portions created by the Initial Developer are Copyright (C) 2012
22 : * the Initial Developer. All Rights Reserved.
23 : *
24 : * Contributor(s):
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either of the GNU General Public License Version 2 or later (the "GPL"),
28 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
30 : * of those above. If you wish to allow use of your version of this file only
31 : * under the terms of either the GPL or the LGPL, and not to allow others to
32 : * use your version of this file under the terms of the MPL, indicate your
33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #include "jsproxy.h"
41 :
42 : #include "MethodGuard.h"
43 : #include "Stack.h"
44 :
45 : #include "jsfuninlines.h"
46 : #include "jsobjinlines.h"
47 :
48 : using namespace js;
49 :
50 : void
51 4076 : js::ReportIncompatibleMethod(JSContext *cx, CallReceiver call, Class *clasp)
52 : {
53 4076 : Value &thisv = call.thisv();
54 :
55 : #ifdef DEBUG
56 4076 : if (thisv.isObject()) {
57 4058 : JS_ASSERT(thisv.toObject().getClass() != clasp ||
58 : !thisv.toObject().getProto() ||
59 4058 : thisv.toObject().getProto()->getClass() != clasp);
60 162 : } else if (thisv.isString()) {
61 0 : JS_ASSERT(clasp != &StringClass);
62 162 : } else if (thisv.isNumber()) {
63 0 : JS_ASSERT(clasp != &NumberClass);
64 162 : } else if (thisv.isBoolean()) {
65 0 : JS_ASSERT(clasp != &BooleanClass);
66 : } else {
67 162 : JS_ASSERT(thisv.isUndefined() || thisv.isNull());
68 : }
69 : #endif
70 :
71 4076 : if (JSFunction *fun = js_ValueToFunction(cx, &call.calleev(), 0)) {
72 4552 : JSAutoByteString funNameBytes;
73 2276 : if (const char *funName = GetFunctionNameBytes(cx, fun, &funNameBytes)) {
74 : JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_INCOMPATIBLE_PROTO,
75 2276 : clasp->name, funName, InformalValueTypeName(thisv));
76 : }
77 : }
78 4076 : }
79 :
80 : bool
81 6678 : js::HandleNonGenericMethodClassMismatch(JSContext *cx, CallArgs args, Native native, Class *clasp)
82 : {
83 6678 : if (args.thisv().isObject()) {
84 6516 : JSObject &thisObj = args.thisv().toObject();
85 6516 : if (thisObj.isProxy())
86 4500 : return Proxy::nativeCall(cx, &thisObj, clasp, native, args);
87 : }
88 :
89 2178 : ReportIncompatibleMethod(cx, args, clasp);
90 2178 : return false;
91 : }
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