internal static SynthesizedEntryPointSymbol Create(
SynthesizedInteractiveInitializerMethod initializerMethod,
BindingDiagnosticBag diagnostics
)
{
var containingType = initializerMethod.ContainingType;
var compilation = containingType.DeclaringCompilation;
if (compilation.IsSubmission)
{
var systemObject = Binder.GetSpecialType(
compilation,
SpecialType.System_Object,
DummySyntax(),
diagnostics
);
var submissionArrayType = compilation.CreateArrayTypeSymbol(systemObject);
diagnostics.ReportUseSite(submissionArrayType, NoLocation.Singleton);
return(new SubmissionEntryPoint(
containingType,
initializerMethod.ReturnTypeWithAnnotations,
submissionArrayType
));
}
else
{
var systemVoid = Binder.GetSpecialType(
compilation,
SpecialType.System_Void,
DummySyntax(),
diagnostics
);
return(new ScriptEntryPoint(containingType, TypeWithAnnotations.Create(systemVoid)));
}
}
protected override void CheckBase(BindingDiagnosticBag diagnostics)
{
// check that System.Object is available.
// Although submission semantically doesn't have a base class we need to emit one.
diagnostics.ReportUseSite(
this.DeclaringCompilation.GetSpecialType(SpecialType.System_Object),
Locations[0]
);
}
private static void ReportErrorOnSymbol(Symbol symbol, BindingDiagnosticBag diagnostics, ref bool hasError)
{
if ((object)symbol == null)
{
return;
}
hasError |= diagnostics.ReportUseSite(symbol, NoLocation.Singleton);
}
private void CheckConstraintTypeConstraints(BindingDiagnosticBag diagnostics)
{
var constraintTypes = this.ConstraintTypesNoUseSiteDiagnostics;
if (constraintTypes.Length == 0)
{
return;
}
var args = new ConstraintsHelper.CheckConstraintsArgsBoxed(DeclaringCompilation, new TypeConversions(ContainingAssembly.CorLibrary), _locations[0], diagnostics);
foreach (var constraintType in constraintTypes)
{
if (!diagnostics.ReportUseSite(constraintType.Type, args.Args.Location))
{
constraintType.Type.CheckAllConstraints(args);
}
}
}
private static void CalculateReturnType(
SourceMemberContainerTypeSymbol containingType,
BindingDiagnosticBag diagnostics,
out TypeSymbol resultType,
out TypeSymbol returnType)
{
CSharpCompilation compilation = containingType.DeclaringCompilation;
var submissionReturnTypeOpt = compilation.ScriptCompilationInfo?.ReturnTypeOpt;
var taskT = compilation.GetWellKnownType(WellKnownType.System_Threading_Tasks_Task_T);
diagnostics.ReportUseSite(taskT, NoLocation.Singleton);
// If no explicit return type is set on ScriptCompilationInfo, default to
// System.Object from the target corlib. This allows cross compiling scripts
// to run on a target corlib that may differ from the host compiler's corlib.
// cf. https://github.com/dotnet/roslyn/issues/8506
resultType = (object)submissionReturnTypeOpt == null
? compilation.GetSpecialType(SpecialType.System_Object)
: compilation.GetTypeByReflectionType(submissionReturnTypeOpt, diagnostics);
returnType = taskT.Construct(resultType);
}