LCOV - code coverage report
Current view: directory - dom/base - nsIScriptRuntime.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 1 100.0 %
Date: 2012-06-02 Functions: 1 1 100.0 %

       1                 : /* ***** BEGIN LICENSE BLOCK *****
       2                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       3                 :  *
       4                 :  * The contents of this file are subject to the Mozilla Public License Version
       5                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       6                 :  * the License. You may obtain a copy of the License at
       7                 :  * http://www.mozilla.org/MPL/
       8                 :  *
       9                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      10                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      11                 :  * for the specific language governing rights and limitations under the
      12                 :  * License.
      13                 :  *
      14                 :  * The Original Code is mozilla.org code.
      15                 :  *
      16                 :  * The Initial Developer of the Original Code is mozilla.org.
      17                 :  * Portions created by the Initial Developer are Copyright (C) 2005
      18                 :  * the Initial Developer. All Rights Reserved.
      19                 :  *
      20                 :  * Contributor(s):
      21                 :  *  Mark Hammond (initial development)
      22                 :  *
      23                 :  * Alternatively, the contents of this file may be used under the terms of
      24                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      25                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      26                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      27                 :  * of those above. If you wish to allow use of your version of this file only
      28                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      29                 :  * use your version of this file under the terms of the MPL, indicate your
      30                 :  * decision by deleting the provisions above and replace them with the notice
      31                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      32                 :  * the provisions above, a recipient may use your version of this file under
      33                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      34                 :  *
      35                 :  * ***** END LICENSE BLOCK ***** */
      36                 : 
      37                 : #ifndef nsIScriptRuntime_h__
      38                 : #define nsIScriptRuntime_h__
      39                 : 
      40                 : #include "nsIScriptContext.h"
      41                 : 
      42                 : #define NS_ISCRIPTRUNTIME_IID \
      43                 : { 0x2c8d774e, 0xb52a, 0x43ec, \
      44                 :   { 0x8e, 0xbc, 0x82, 0x75, 0xb9, 0x34, 0x20, 0x57 } }
      45                 : 
      46                 : /**
      47                 :  * A singleton language environment for an application.  Responsible for
      48                 :  * initializing and cleaning up the global language environment, and a factory
      49                 :  * for language contexts
      50                 :  */
      51                 : class nsIScriptRuntime : public nsISupports
      52              50 : {
      53                 : public:
      54                 :   NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTRUNTIME_IID)
      55                 :   /*
      56                 :    * Return the language ID of this script language
      57                 :    */
      58                 :   virtual PRUint32 GetScriptTypeID() = 0;
      59                 : 
      60                 :   /* Parses a "version string" for the language into a bit-mask used by
      61                 :    * the language implementation.  If the specified version is not supported
      62                 :    * an error should be returned.  If the specified version is blank, a default
      63                 :    * version should be assumed
      64                 :    */
      65                 :   virtual nsresult ParseVersion(const nsString &aVersionStr, PRUint32 *verFlags) = 0;
      66                 :   
      67                 :   /* Factory for a new context for this language */
      68                 :   virtual already_AddRefed<nsIScriptContext> CreateContext() = 0;
      69                 :   
      70                 :   /* Memory managment for script objects returned from various
      71                 :    * nsIScriptContext methods.  These are identical to those in
      72                 :    * nsIScriptContext, but are useful when a script context is not known.
      73                 :    */
      74                 :   virtual nsresult DropScriptObject(void *object) = 0;
      75                 :   virtual nsresult HoldScriptObject(void *object) = 0;
      76                 : };
      77                 : 
      78                 : NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptRuntime, NS_ISCRIPTRUNTIME_IID)
      79                 : 
      80                 : /* helper functions */
      81                 : nsresult NS_GetScriptRuntime(const nsAString &aLanguageName,
      82                 :                              nsIScriptRuntime **aRuntime);
      83                 : 
      84                 : nsresult NS_GetScriptRuntimeByID(PRUint32 aLanguageID,
      85                 :                                  nsIScriptRuntime **aRuntime);
      86                 : 
      87                 : #endif // nsIScriptRuntime_h__

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