public static void CheckVarDecl(InstrNode node, ref Environment env)
{
VarDecl variable = (VarDecl)node.Value;
TypeDesc varType = TypeResolver.ResolveType(variable.Value, env, variable.Value.Position);
if (variable.Type == null && !(varType is NullType))
{
variable.Type = new TypeNode(varType, variable.Value.Position);
}
env.AddEntry(variable.Name, varType, node.Position);
}