private void CheckSemantic()
{
Declaration entryPoint = null;
foreach (var program in _programs)
{
foreach (var d in program.Declarations)
{
d.AddToScope(_globalScope);
if (d.Name == _main)
{
if (entryPoint != null)
{
_log.Error("main already defined", d.Line, d.Column);
}
else
{
entryPoint = d;
}
}
}
}
if (entryPoint != null)
{
entryPoint.CheckSemantic(_globalScope, _log);
}
}