private bool SubjectIsStruct()
{
if (!(LeftExp is ExpVar))
{
return(false);
}
ExpVar varexp = LeftExp as ExpVar;
return(ReflectionUtil.IsStruct(varexp.RetType.SharpType));
}
private List <ExpVar> GetAllSubExpVars(Exp exp)
{
List <Exp> exps = GetAllSubExps(exp);
List <ExpVar> results = new List <ExpVar>();
foreach (var item in exps)
{
if (item is ExpVar)
{
ExpVar varExp = item as ExpVar;
if (results.IndexOf(varExp) == -1)
{
results.Add(varExp);
}
}
}
return(results);
}
private bool EmitAsVar()
{
ExpVar varexp = LeftExp as ExpVar;
if (ReflectionUtil.IsStruct(varexp.RetType.SharpType))
{
if (varexp.VarSymbol is SymbolLocalVar)
{
IL.Emit(OpCodes.Ldloca, (varexp.VarSymbol as SymbolLocalVar).VarBuilder);
return(true);
}
else if (varexp.VarSymbol is SymbolArg)
{
IL.Emit(OpCodes.Ldarga, (varexp.VarSymbol as SymbolArg).ArgIndex);
return(true);
}
}
return(false);
}
private List <SymbolBase> GetAllSubVars(List <ExpVar> exps)
{
List <SymbolBase> results = new List <SymbolBase>();
foreach (var item in exps)
{
if (item is ExpVar)
{
ExpVar varExp = item as ExpVar;
if (varExp.VarSymbol is SymbolArg || varExp.VarSymbol is SymbolLocalVar)
{
if (results.IndexOf(varExp.VarSymbol) == -1)
{
results.Add(varExp.VarSymbol);
}
}
}
}
return(results);
}
private bool ParseRightPropertyName()
{
if (RightExp is ExpVar)
{
ExpVar propertyExp = (RightExp as ExpVar);
propertyName = propertyExp.VarToken.GetText();
return(true);
}
else if (RightExp is ExpType)
{
ExpType typeExp = (RightExp as ExpType);
Token newToken = typeExp.ToSingleToken();
propertyName = newToken.GetText();
return(true);
}
else
{
ErrorE(RightExp.Postion, "'的'后面的‘{0}’不是属性名称", RightExp.ToString());
}
return(false);
}