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Remove all external usage of CmptPrivate. Header cleanup.

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This removes usage of CmptPrivate outside of ScriptInterface.
ScriptRequest can now be used to safely recover the scriptInterface from
a JSContext instead of going through ScriptInterface, which allows more
code cleanup.

Follows 34b1920e7b

Differential Revision: https://code.wildfiregames.com/D3963
This was SVN commit r25442.
This commit is contained in:
wraitii
2021-05-15 13:54:58 +00:00
parent 3ebff376cc
commit 507f44f7f9
20 changed files with 173 additions and 118 deletions
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source/scriptinterface/ScriptInterface.h
+40 -7
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@@ -73,6 +73,7 @@ class ScriptInterface
NONCOPYABLE(ScriptInterface);
friend class ScriptRequest;
public:
/**
@@ -88,12 +89,36 @@ public:
struct CmptPrivate
{
friend class ScriptInterface;
public:
static const ScriptInterface& GetScriptInterface(JSContext* cx);
static void* GetCBData(JSContext* cx);
protected:
ScriptInterface* pScriptInterface; // the ScriptInterface object the compartment belongs to
void* pCBData; // meant to be used as the "this" object for callback functions
} m_CmptPrivate;
};
void SetCallbackData(void* pCBData);
static CmptPrivate* GetScriptInterfaceAndCBData(JSContext* cx);
/**
* Convert the CmptPrivate callback data to T*
*/
template <typename T>
static T* ObjectFromCBData(const ScriptRequest& rq)
{
static_assert(!std::is_same_v<void, T>);
ScriptInterface::CmptPrivate::GetCBData(rq.cx);
return static_cast<T*>(ObjectFromCBData<void>(rq));
}
/**
* Variant for the function wrapper.
*/
template <typename T>
static T* ObjectFromCBData(const ScriptRequest& rq, JS::CallArgs&)
{
return ObjectFromCBData<T>(rq);
}
/**
* GetGeneralJSContext returns the context without starting a GC request and without
@@ -177,12 +202,14 @@ public:
template<typename T> bool Eval(const char* code, T& out) const;
/**
* MathRandom (this function) calls the random number generator assigned to this ScriptInterface instance and
* returns the generated number.
* Math_random (with underscore, not this function) is a global function, but different random number generators can be
* stored per ScriptInterface. It calls MathRandom of the current ScriptInterface instance.
* Calls the random number generator assigned to this ScriptInterface instance and returns the generated number.
*/
bool MathRandom(double& nbr);
bool MathRandom(double& nbr) const;
/**
* JSNative wrapper of the above.
*/
static bool Math_random(JSContext* cx, uint argc, JS::Value* vp);
/**
* Retrieve the private data field of a JSObject that is an instance of the given JSClass.
@@ -230,6 +257,8 @@ private:
JSNative m_Constructor;
};
CmptPrivate m_CmptPrivate;
// Take care to keep this declaration before heap rooted members. Destructors of heap rooted
// members have to be called before the custom destructor of ScriptInterface_impl.
std::unique_ptr<ScriptInterface_impl> m;
@@ -237,6 +266,10 @@ private:
std::map<std::string, CustomType> m_CustomObjectTypes;
};
// Explicitly instantiate void* as that is used for the generic template,
// and we want to define it in the .cpp file.
template <> void* ScriptInterface::ObjectFromCBData(const ScriptRequest& rq);
template<typename T>
bool ScriptInterface::SetGlobal(const char* name, const T& value, bool replace, bool constant, bool enumerate)
{