Added the ability for extensions to invoke arbitrary natives (bug 3605, r=ds,theY4Kman).

sourcepawn/jit/BaseRuntime.cpp

@@ -535,3 +535,21 @@ uint32_t BaseRuntime::AddJittedFunction(JitFunction *fn)
 
 	return m_NumFuncs;
 }
+
+int BaseRuntime::CreateBlank(uint32_t heastk)
+{
+	memset(m_pPlugin, 0, sizeof(sp_plugin_t));
+
+	/* Align to cell_t bytes */
+	heastk += sizeof(cell_t);
+	heastk -= heastk % sizeof(cell_t);
+
+	m_pPlugin->mem_size = heastk;
+	m_pPlugin->memory = new uint8_t[heastk];
+
+	m_pPlugin->profiler = g_engine2.GetProfiler();
+	m_pCtx = new BaseContext(this);
+	m_pCo = g_Jit.StartCompilation(this);
+
+	return SP_ERROR_NONE;
+}

sourcepawn/jit/BaseRuntime.h

@@ -27,6 +27,7 @@ public:
 	BaseRuntime();
 	~BaseRuntime();
 public:
+	virtual int CreateBlank(uint32_t heastk);
 	virtual int CreateFromMemory(sp_file_hdr_t *hdr, uint8_t *base);
 	virtual bool IsDebugging();
 	virtual IPluginDebugInfo *GetDebugInfo();

sourcepawn/jit/engine2.cpp

@@ -191,3 +191,22 @@ void SourcePawnEngine2::Shutdown()
 {
 	g_Jit.ShutdownJIT();
 }
+
+IPluginRuntime *SourcePawnEngine2::CreateEmptyRuntime(const char *name, uint32_t memory)
+{
+	int err;
+	BaseRuntime *rt;
+
+	rt = new BaseRuntime();
+	if ((err = rt->CreateBlank(memory)) != SP_ERROR_NONE)
+	{
+		delete rt;
+		return NULL;
+	}
+
+	rt->m_pPlugin->name = strdup(name != NULL ? name : "<anonymous>");
+
+	rt->ApplyCompilationOptions(NULL);
+	
+	return rt;
+}

sourcepawn/jit/engine2.h

@@ -25,6 +25,7 @@ namespace SourcePawn
 		const char *GetErrorString(int err);
 		bool Initialize();
 		void Shutdown();
+		IPluginRuntime *CreateEmptyRuntime(const char *name, uint32_t memory);
 	public:
 		IProfiler *GetProfiler();
 	private:

sourcepawn/jit/sp_vm_basecontext.cpp

@@ -873,3 +873,8 @@ bool BaseContext::GetKey(int k, void **value)
 
 	return true;
 }
+
+void BaseContext::ClearLastNativeError()
+{
+	m_ctx.n_err = SP_ERROR_NONE;
+}

sourcepawn/jit/sp_vm_basecontext.h

@@ -93,6 +93,7 @@ public: //IPluginContext
 	void SetKey(int k, void *value);
 	bool GetKey(int k, void **value);
 	void Refresh();
+	void ClearLastNativeError();
 public:
 	bool IsInExec();
 private: