LCOV - app.info - js/src/vm/MethodGuard.cpp

LCOV - code coverage report
| Current view: | directory - js/src/vm - MethodGuard.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 24 | 21 | 87.5 %
| Date: | 2012-04-07 | Functions: | 2 | 2 | 100.0 %

           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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