/// <summary>
/// Gets additional flags of the caller routine.
/// </summary>
public static RoutineFlags InvocationFlags(this IPhpRoutineSymbol routine)
{
RoutineFlags f = RoutineFlags.None;
var ps = routine.Parameters;
foreach (var p in ps)
{
if (p.IsImplicitlyDeclared)
{
if (SpecialParameterSymbol.IsQueryValueParameter(p, out var ctor, out var container))
{
switch (container)
{
case SpecialParameterSymbol.QueryValueTypes.CallerArgs:
f |= RoutineFlags.UsesArgs;
break;
case SpecialParameterSymbol.QueryValueTypes.LocalVariables:
f |= RoutineFlags.UsesLocals;
break;
}
}
else if (SpecialParameterSymbol.IsCallerStaticClassParameter(p))
{
f |= RoutineFlags.UsesLateStatic;
}
}
protected virtual IEnumerable <ParameterSymbol> CreateParameters(IEnumerable <ParameterSymbol> baseparams)
{
int index = 0;
// Context <ctx>
yield return(new SpecialParameterSymbol(this, DeclaringCompilation.CoreTypes.Context, SpecialParameterSymbol.ContextName, index++));
if (IsInitFieldsOnly)
{
// QueryValue<DummyFieldsOnlyCtor> _
var dummy = DeclaringCompilation.CoreTypes.QueryValue_T.Symbol.Construct(DeclaringCompilation.CoreTypes.QueryValue_DummyFieldsOnlyCtor);
yield return(new SpecialParameterSymbol(this, dummy, "_", index++));
}
// same parameters as PHP constructor
foreach (var p in baseparams)
{
if (SpecialParameterSymbol.IsContextParameter(p))
{
continue;
}
if (SpecialParameterSymbol.IsQueryValueParameter(p, out var _, out var t) && t == SpecialParameterSymbol.QueryValueTypes.DummyFieldsOnlyCtor)
{
continue;
}
yield return(new SynthesizedParameterSymbol(this, p.Type, index++, p.RefKind, p.Name, p.IsParams,
explicitDefaultConstantValue: p.ExplicitDefaultConstantValue));
}
}
