public static int GetSize(StackOpd so)
{
switch (so)
{
case StackOpd.i32:
case StackOpd.f32:
return(4);
case StackOpd.i64:
case StackOpd.f64:
return(8);
}
throw new System.Exception("Cannot get variable stack size of unknown type.");
}
public StackOpd PopOpd(bool ending = false)
{
if (ending == false)
{
if (this.opds.Count == this.ctrls.Peek().height&& this.ctrls.Peek().unreachable == true)
{
return(StackOpd.Unknown);
}
if (this.opds.Count == this.ctrls.Peek().height)
{
this.EmitValidationError("Operation stack mismatch.");
}
}
StackOpd ret = this.opds[this.opds.Count - 1];
this.opds.RemoveAt(this.opds.Count - 1);
return(ret);
}
public StackOpd PopOpd(StackOpd expect, bool ending = false)
{
StackOpd actual = this.PopOpd(ending);
if (actual == StackOpd.Unknown)
{
return(expect);
}
if (expect == StackOpd.Unknown)
{
return(actual);
}
if (actual != expect)
{
this.EmitValidationError($"Incorrect type {actual} when expecting {expect}.");
}
return(actual);
}
public StackOpd PopOpd(Bin.TypeID expect)
{
StackOpd soexp = ConvertToStackType(expect);
return(this.PopOpd(soexp));
}
public void PushOpd(Bin.TypeID ty)
{
StackOpd so = ConvertToStackType(ty);
this.PushOpd(so);
}
public void PushOpd(StackOpd so)
{
this.opds.Add(so);
}
