added api calls needed by core

--HG--
branch : refac-jit
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/branches/refac-jit%402375

sourcepawn/jit/sp_vm_basecontext.cpp

@@ -759,3 +759,13 @@ int DebugInfo::LookupLine(ucell_t addr, uint32_t *line)
 }
 
 #undef USHR
+
+int BaseContext::GetLastNativeError()
+{
+	return m_ctx.n_err;
+}
+
+cell_t *BaseContext::GetLocalParams()
+{
+	return (cell_t *)(m_pPlugin->memory + m_ctx.frm + (2 * sizeof(cell_t)));
+}

sourcepawn/jit/sp_vm_basecontext.h

@@ -88,6 +88,8 @@ public: //IPluginContext
 	int BindNativeToIndex(uint32_t index, SPVM_NATIVE_FUNC native);
 	int Execute(IPluginFunction *function, const cell_t *params, unsigned int num_params, cell_t *result);
 	IPluginRuntime *GetRuntime();
+	int GetLastNativeError();
+	cell_t *GetLocalParams();
 public:
 	bool IsInExec();
 private: