internal static CSDiagnosticInfo Add(this DiagnosticBag diagnostics, ErrorCode code, Location location, ImmutableArray <Symbol> symbols, params object[] args)
{
var info = new CSDiagnosticInfo(code, args, symbols, ImmutableArray <Location> .Empty);
var diag = new CSDiagnostic(info, location);
diagnostics.Add(diag);
return(info);
}
/// <summary>
/// Add a diagnostic to the bag.
/// </summary>
/// <param name="diagnostics"></param>
/// <param name="code"></param>
/// <param name="location"></param>
/// <param name="args"></param>
/// <returns></returns>
internal static CSDiagnosticInfo Add(this DiagnosticBag diagnostics, ErrorCode code, Location location, params object[] args)
{
var info = new CSDiagnosticInfo(code, args);
var diag = new CSDiagnostic(info, location);
diagnostics.Add(diag);
return(info);
}
private static bool TryGetBuilderMember <TSymbol>(
SyntheticBoundNodeFactory F,
WellKnownMember?member,
NamedTypeSymbol builderType,
bool customBuilder,
out TSymbol symbol)
where TSymbol : Symbol
{
if (!member.HasValue)
{
symbol = null;
return(true);
}
WellKnownMember memberValue = member.Value;
if (customBuilder)
{
var descriptor = WellKnownMembers.GetDescriptor(memberValue);
var sym = CSharpCompilation.GetRuntimeMember(
builderType.OriginalDefinition,
ref descriptor,
F.Compilation.WellKnownMemberSignatureComparer,
accessWithinOpt: null);
if ((object)sym != null)
{
sym = sym.SymbolAsMember(builderType);
}
symbol = sym as TSymbol;
}
else
{
symbol = F.WellKnownMember(memberValue, isOptional: true) as TSymbol;
if ((object)symbol != null)
{
symbol = (TSymbol)symbol.SymbolAsMember(builderType);
}
}
if ((object)symbol == null)
{
var descriptor = WellKnownMembers.GetDescriptor(memberValue);
var diagnostic = new CSDiagnostic(
new CSDiagnosticInfo(ErrorCode.ERR_MissingPredefinedMember, (customBuilder ? (object)builderType : descriptor.DeclaringTypeMetadataName), descriptor.Name),
F.Syntax.Location);
F.Diagnostics.Add(diagnostic);
return(false);
}
return(true);
}
private static PropertySymbol GetCustomTaskProperty(
SyntheticBoundNodeFactory F,
NamedTypeSymbol builderType,
NamedTypeSymbol returnType)
{
const string propertyName = "Task";
var members = builderType.GetMembers(propertyName);
foreach (var member in members)
{
if (member.Kind != SymbolKind.Property)
{
continue;
}
var property = (PropertySymbol)member;
if ((property.DeclaredAccessibility == Accessibility.Public) &&
!property.IsStatic &&
(property.ParameterCount == 0))
{
if (!property.Type.TypeSymbol.Equals(returnType, TypeCompareKind.AllIgnoreOptions))
{
var badTaskProperty = new CSDiagnostic(
new CSDiagnosticInfo(ErrorCode.ERR_BadAsyncMethodBuilderTaskProperty, builderType, returnType, property.Type.TypeSymbol),
F.Syntax.Location);
F.Diagnostics.Add(badTaskProperty);
return(null);
}
return(property);
}
}
var diagnostic = new CSDiagnostic(
new CSDiagnosticInfo(ErrorCode.ERR_MissingPredefinedMember, builderType, propertyName),
F.Syntax.Location);
F.Diagnostics.Add(diagnostic);
return(null);
}
internal static void Add(this DiagnosticBag diagnostics, DiagnosticInfo info, Location location)
{
var diag = new CSDiagnostic(info, location);
diagnostics.Add(diag);
}