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54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIScriptRuntime_h__
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#define nsIScriptRuntime_h__
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#include "nsIScriptContext.h"
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#define NS_ISCRIPTRUNTIME_IID \
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{ 0xb146580f, 0x55f7, 0x4d97, \
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{ 0x8a, 0xbb, 0x4a, 0x50, 0xb0, 0xa8, 0x04, 0x97 } }
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/**
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* A singleton language environment for an application. Responsible for
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* initializing and cleaning up the global language environment, and a factory
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* for language contexts
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*/
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class nsIScriptRuntime : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTRUNTIME_IID)
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/* Parses a "version string" for the language into a bit-mask used by
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* the language implementation. If the specified version is not supported
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* an error should be returned. If the specified version is blank, a default
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* version should be assumed
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*/
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virtual nsresult ParseVersion(const nsString &aVersionStr, PRUint32 *verFlags) = 0;
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/* Factory for a new context for this language */
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virtual already_AddRefed<nsIScriptContext> CreateContext() = 0;
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/* Memory managment for script objects returned from various
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* nsIScriptContext methods. These are identical to those in
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* nsIScriptContext, but are useful when a script context is not known.
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*/
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virtual nsresult DropScriptObject(void *object) = 0;
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virtual nsresult HoldScriptObject(void *object) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptRuntime, NS_ISCRIPTRUNTIME_IID)
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/* helper functions */
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nsresult NS_GetJSRuntime(nsIScriptRuntime** aLanguage);
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nsresult NS_GetScriptRuntime(const nsAString &aLanguageName,
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nsIScriptRuntime **aRuntime);
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nsresult NS_GetScriptRuntimeByID(PRUint32 aLanguageID,
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nsIScriptRuntime **aRuntime);
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#endif // nsIScriptRuntime_h__
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