core/NativeOwner.cpp
branchrefac-jit
changeset 2168 c24a6fa957db
child 2226 d10b38524be3
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/core/NativeOwner.cpp	Sun Jul 06 04:49:55 2008 +0000
     1.3 @@ -0,0 +1,140 @@
     1.4 +#include "NativeOwner.h"
     1.5 +#include "ShareSys.h"
     1.6 +#include "PluginSys.h"
     1.7 +
     1.8 +void CNativeOwner::SetMarkSerial(unsigned int serial)
     1.9 +{
    1.10 +	m_nMarkSerial = serial;
    1.11 +}
    1.12 +
    1.13 +unsigned int CNativeOwner::GetMarkSerial()
    1.14 +{
    1.15 +	return m_nMarkSerial;
    1.16 +}
    1.17 +
    1.18 +void CNativeOwner::AddDependent(CPlugin *pPlugin)
    1.19 +{
    1.20 +	m_Dependents.push_back(pPlugin);
    1.21 +}
    1.22 +
    1.23 +void CNativeOwner::AddWeakRef(const WeakNative & ref)
    1.24 +{
    1.25 +	m_WeakRefs.push_back(ref);
    1.26 +}
    1.27 +
    1.28 +void CNativeOwner::AddNatives(const sp_nativeinfo_t *natives)
    1.29 +{
    1.30 +	NativeEntry *pEntry;
    1.31 +
    1.32 +	for (unsigned int i = 0; natives[i].func != NULL && natives[i].name != NULL; i++)
    1.33 +	{
    1.34 +		if ((pEntry = g_ShareSys.AddNativeToCache(this, &natives[i])) == NULL)
    1.35 +		{
    1.36 +			continue;
    1.37 +		}
    1.38 +
    1.39 +		m_Natives.push_back(pEntry);
    1.40 +	}
    1.41 +}
    1.42 +
    1.43 +void CNativeOwner::PropogateMarkSerial(unsigned int serial)
    1.44 +{
    1.45 +	CNativeOwner *pOwner;
    1.46 +	List<CPlugin *>::iterator iter;
    1.47 +
    1.48 +	for (iter = m_Dependents.begin();
    1.49 +		 iter != m_Dependents.end();
    1.50 +		 iter++)
    1.51 +	{
    1.52 +		pOwner = (*iter);
    1.53 +		pOwner->SetMarkSerial(serial);
    1.54 +	}
    1.55 +}
    1.56 +
    1.57 +void CNativeOwner::UnbindWeakRef(const WeakNative & ref)
    1.58 +{
    1.59 +	sp_native_t *native;
    1.60 +	IPluginContext *pContext;
    1.61 +
    1.62 +	pContext = ref.pl->GetBaseContext();
    1.63 +	if ((pContext->GetNativeByIndex(ref.idx, &native)) == SP_ERROR_NONE)
    1.64 +	{
    1.65 +		/* If there is no reference, the native must be unbound */
    1.66 +		if (ref.entry == NULL)
    1.67 +		{
    1.68 +			native->status = SP_NATIVE_UNBOUND;
    1.69 +			native->pfn = NULL;
    1.70 +		}
    1.71 +		/* If we've cached a reference, it's a core native we can 
    1.72 +		 * rebind back to its original (this was a replacement).
    1.73 +		 */
    1.74 +		else
    1.75 +		{
    1.76 +			native->pfn = ref.entry->func;
    1.77 +		}
    1.78 +	}
    1.79 +}
    1.80 +
    1.81 +void CNativeOwner::DropEverything()
    1.82 +{
    1.83 +	NativeEntry *pEntry;
    1.84 +	List<WeakNative>::iterator iter;
    1.85 +	List<NativeEntry *>::iterator ntv_iter;
    1.86 +
    1.87 +	/* Unbind and remove all weak references to us */
    1.88 +	iter = m_WeakRefs.begin();
    1.89 +	while (iter != m_WeakRefs.end())
    1.90 +	{
    1.91 +		UnbindWeakRef((*iter));
    1.92 +		iter = m_WeakRefs.erase(iter);
    1.93 +	}
    1.94 +
    1.95 +	/* Unmark our replacement natives */
    1.96 +	ntv_iter = m_ReplacedNatives.begin();
    1.97 +	while (ntv_iter != m_ReplacedNatives.end())
    1.98 +	{
    1.99 +		pEntry = (*ntv_iter);
   1.100 +		pEntry->replacement.func = NULL;
   1.101 +		pEntry->replacement.owner = NULL;
   1.102 +		ntv_iter = m_ReplacedNatives.erase(ntv_iter);
   1.103 +	}
   1.104 +
   1.105 +	/* Strip all of our natives from the cache */
   1.106 +	ntv_iter = m_Natives.begin();
   1.107 +	while (ntv_iter != m_Natives.end())
   1.108 +	{
   1.109 +		g_ShareSys.ClearNativeFromCache(this, (*ntv_iter)->name);
   1.110 +		ntv_iter = m_Natives.erase(ntv_iter);
   1.111 +	}
   1.112 +}
   1.113 +
   1.114 +void CNativeOwner::DropWeakRefsTo(CPlugin *pPlugin)
   1.115 +{
   1.116 +	List<WeakNative>::iterator iter;
   1.117 +
   1.118 +	iter = m_WeakRefs.begin();
   1.119 +	while (iter != m_WeakRefs.end())
   1.120 +	{
   1.121 +		WeakNative & ref = (*iter);
   1.122 +
   1.123 +		if (ref.pl == pPlugin)
   1.124 +		{
   1.125 +			iter = m_WeakRefs.erase(iter);
   1.126 +		}
   1.127 +		else
   1.128 +		{
   1.129 +			iter++;
   1.130 +		}
   1.131 +	}
   1.132 +}
   1.133 +
   1.134 +void CNativeOwner::DropRefsTo(CPlugin *pPlugin)
   1.135 +{
   1.136 +	m_Dependents.remove(pPlugin);
   1.137 +	DropWeakRefsTo(pPlugin);
   1.138 +}
   1.139 +
   1.140 +void CNativeOwner::AddReplacedNative(NativeEntry *pEntry)
   1.141 +{
   1.142 +	m_ReplacedNatives.push_back(pEntry);
   1.143 +}