public void Should_infer_type()
{
var empty = Array.Empty <string>();
var text = "\"test\"";
var value = VisualBasicDesignerHelper.CreatePrecompiledVisualBasicValue(null, text, empty, empty, null, out _, out _, out _);
((VisualBasicValue <string>)value).ExpressionText.ShouldBe(text);
value = VisualBasicDesignerHelper.CreatePrecompiledVisualBasicValue(null, text, empty, empty, null, out _, out _, out _);
((VisualBasicValue <string>)value).ExpressionText.ShouldBe(text);
}
public override bool TryInferReturnType(ActivityWithResult expression, EditingContext context, out Type returnType)
{
bool succeeded = false;
Fx.Assert(expression.GetType().GetGenericTypeDefinition() == typeof(VisualBasicValue <>) ||
expression.GetType().GetGenericTypeDefinition() == typeof(VisualBasicReference <>), "VisualBasicExpressionMorphHelper should only apply to VB expression.");
SourceExpressionException compileError;
VisualBasicSettings settings;
if (ExpressionHelper.IsGenericLocationExpressionType(expression))
{
VisualBasicDesignerHelper.RecompileVisualBasicReference(
expression,
out returnType,
out compileError,
out settings);
}
else
{
VisualBasicDesignerHelper.RecompileVisualBasicValue(
expression,
out returnType,
out compileError,
out settings);
}
if (compileError == null)
{
succeeded = true;
if (settings != null)
{
//merge with import designer
foreach (VisualBasicImportReference reference in settings.ImportReferences)
{
ImportDesigner.AddImport(reference.Import, context);
}
}
}
return(succeeded);
}
private static void VbCompile(string text, Type resultType, string[] namespaces, string[] assemblies)
{
var value = VisualBasicDesignerHelper.CreatePrecompiledVisualBasicValue(null, text, namespaces, assemblies, null, out var returnType, out var compileError, out _);
Check(text, resultType, value, returnType, compileError);
}
