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: 2012-06-02 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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