public override TO2Type ResultType(IBlockContext context)
{
TO2Type targetType = target.ResultType(context);
IMethodInvokeFactory method = targetType.FindMethod(context.ModuleContext, methodName);
if (method != null)
{
IMethodInvokeEmitter methodInvoker = method.Create(context,
arguments.Select(arg => arg.ResultType(context)).ToList(), this);
if (methodInvoker != null)
{
return(methodInvoker.ResultType);
}
}
IFieldAccessFactory field = targetType.FindField(context.ModuleContext, methodName);
if (field != null)
{
IFieldAccessEmitter fieldAccess = field.Create(context.ModuleContext);
FunctionType functionType = fieldAccess.FieldType as FunctionType;
if (functionType == null)
{
context.AddError(new StructuralError(
StructuralError.ErrorType.NoSuchMethod,
$"Field '{methodName}' of type '{targetType.Name}' is neither a method or a function",
Start,
End
));
return(BuiltinType.Unit);
}
else
{
return(functionType.returnType);
}
}
context.AddError(new StructuralError(
StructuralError.ErrorType.NoSuchMethod,
$"Type '{targetType.Name}' does not have a method or field '{methodName}'",
Start,
End
));
return(BuiltinType.Unit);
}
public MethodCall(Expression target, string methodName, List <Expression> arguments,
Position start = new Position(), Position end = new Position()) : base(start, end)
{
this.target = target;
this.methodName = methodName;
this.arguments = arguments;
for (int j = 0; j < this.arguments.Count; j++)
{
int i = j; // Copy for lambda
this.arguments[i].TypeHint = context => {
TO2Type targetType = this.target.ResultType(context);
IMethodInvokeFactory methodInvoker = targetType.FindMethod(context.ModuleContext, this.methodName);
return(methodInvoker?.ArgumentHint(i)?.Invoke(context));
};
}
}
public override void Prepare(IBlockContext context)
{
if (preparedResult != null)
{
return;
}
TO2Type targetType = target.ResultType(context);
IMethodInvokeEmitter methodInvoker = targetType.FindMethod(context.ModuleContext, methodName)
?.Create(context, arguments.Select(arg => arg.ResultType(context)).ToList(), this);
if (methodInvoker == null || !methodInvoker.IsAsync || !context.IsAsync)
{
return;
}
EmitCode(context, false);
preparedResult = context.DeclareHiddenLocal(methodInvoker.ResultType.GeneratedType(context.ModuleContext));
preparedResult.EmitStore(context);
}
public override void EmitCode(IBlockContext context, bool dropResult)
{
if (preparedResult != null)
{
if (!dropResult)
{
preparedResult.EmitLoad(context);
}
preparedResult = null;
return;
}
TO2Type targetType = target.ResultType(context);
IMethodInvokeFactory method = targetType.FindMethod(context.ModuleContext, methodName);
if (method != null)
{
EmitCodeMethodCall(context, targetType, method, dropResult);
return;
}
IFieldAccessFactory field = targetType.FindField(context.ModuleContext, methodName);
if (field != null)
{
EmitCodeDelegateCall(context, targetType, field, dropResult);
return;
}
context.AddError(new StructuralError(
StructuralError.ErrorType.NoSuchMethod,
$"Type '{targetType.Name}' does not have a method or field '{methodName}'",
Start,
End
));
}
public override IMethodInvokeFactory FindMethod(ModuleContext context, string methodName) => aliasedType.FindMethod(declaredModule, methodName);