MethodBase[] ResolveMethods(CallSiteContext bound, string name, string nameOpt)
{
var routine = bound.CurrentContext.GetDeclaredFunction(name) ?? ((nameOpt != null) ? bound.CurrentContext.GetDeclaredFunction(nameOpt) : null);
if (routine == null)
{
return(null);
}
if (routine is PhpRoutineInfo || routine is DelegateRoutineInfo)
{
Debug.Assert(routine.Index != 0);
// restriction: ctx.CheckFunctionDeclared(index, routine.GetHashCode())
var checkExpr = Expression.Call(
bound.Context,
typeof(Context).GetMethod("CheckFunctionDeclared", typeof(int), typeof(int)),
Expression.Constant(routine.Index), Expression.Constant(routine.GetHashCode()));
bound.AddRestriction(checkExpr);
}
else if (routine is ClrRoutineInfo)
{
// CLR routines persist across whole app, no restriction needed
}
//
var targetInstance = routine.Target;
if (targetInstance != null)
{
bound.TargetInstance = Expression.Constant(targetInstance);
}
if (bound.TypeArguments != null && bound.TypeArguments.Length != 0)
{
// global functions cannot be (should not be) generic!
throw new InvalidOperationException(); // NS
}
//
return(routine.Methods);
}
void ISpecialParamHolder.Process(CallSiteContext info, Expression valueExpr)
{
info.AddRestriction(Expression.Call(valueExpr, Cache.Operators.RuntimeTypeHandle_Equals_RuntimeTypeHandle, Expression.Constant(Value)));
info.ClassContext = Type.GetTypeFromHandle(Value);
}
void ISpecialParamHolder.Process(CallSiteContext info, Expression valueExpr)
{
info.AddRestriction(BindingRestrictions.GetInstanceRestriction(valueExpr, Value));
info.TargetType = Value;
}
MethodBase[] ResolveMethods(CallSiteContext bound, string name, string nameOpt)
{
var routine = bound.CurrentContext.GetDeclaredFunction(name) ?? ((nameOpt != null) ? bound.CurrentContext.GetDeclaredFunction(nameOpt) : null);
if (routine == null)
{
// add restriction // https://github.com/iolevel/wpdotnet-sdk/issues/92
// restriction: ctx.GetDeclaredFunction(name) == null
var checkExpr = Expression.ReferenceEqual(
Expression.Call(bound.Context, Cache.Operators.GetDeclaredFunction_Context_String, Expression.Constant(name)),
Cache.Expressions.Null);
bound.AddRestriction(checkExpr);
if (nameOpt != null)
{
// restriction: ctx.GetDeclaredFunction(nameOpt) == null
checkExpr = Expression.ReferenceEqual(
Expression.Call(bound.Context, Cache.Operators.GetDeclaredFunction_Context_String, Expression.Constant(nameOpt)),
Cache.Expressions.Null);
bound.AddRestriction(checkExpr);
}
return(null);
}
if (routine is PhpRoutineInfo || routine is DelegateRoutineInfo)
{
Debug.Assert(routine.Index != 0);
// restriction: CheckFunctionDeclared(ctx, index, routine.GetHashCode())
var checkExpr = Expression.Call(
Cache.Operators.CheckFunctionDeclared_Context_Int_Int,
bound.Context, Expression.Constant(routine.Index), Expression.Constant(routine.GetHashCode()));
bound.AddRestriction(checkExpr);
}
else if (routine is ClrRoutineInfo)
{
// CLR routines persist across whole app, no restriction needed
}
//
var targetInstance = routine.Target;
if (targetInstance != null)
{
bound.TargetInstance = Expression.Constant(targetInstance);
}
if (bound.TypeArguments != null && bound.TypeArguments.Length != 0)
{
// global functions cannot be (should not be) generic!
throw new InvalidOperationException(); // NS
}
//
return(routine.Methods);
}