public override void ApplyAttributeBuilder(Attribute a, MethodSpec ctor, byte[] cdata, PredefinedAttributes pa)
{
if (a.Target == AttributeTargets.Assembly)
{
assembly.ApplyAttributeBuilder(a, ctor, cdata, pa);
return;
}
if (a.Type == pa.DefaultCharset)
{
switch (a.GetCharSetValue())
{
case CharSet.Ansi:
case CharSet.None:
break;
case CharSet.Auto:
DefaultCharSet = CharSet.Auto;
DefaultCharSetType = TypeAttributes.AutoClass;
break;
case CharSet.Unicode:
DefaultCharSet = CharSet.Unicode;
DefaultCharSetType = TypeAttributes.UnicodeClass;
break;
default:
Report.Error(1724, a.Location, "Value specified for the argument to `{0}' is not valid",
a.GetSignatureForError());
break;
}
}
else if (a.Type == pa.CLSCompliant)
{
Attribute cls = DeclaringAssembly.CLSCompliantAttribute;
if (cls == null)
{
Report.Warning(3012, 1, a.Location,
"You must specify the CLSCompliant attribute on the assembly, not the module, to enable CLS compliance checking");
}
else if (DeclaringAssembly.IsCLSCompliant != a.GetBoolean())
{
Report.SymbolRelatedToPreviousError(cls.Location, cls.GetSignatureForError());
Report.Warning(3017, 1, a.Location,
"You cannot specify the CLSCompliant attribute on a module that differs from the CLSCompliant attribute on the assembly");
return;
}
}
builder.SetCustomAttribute((ConstructorInfo)ctor.GetMetaInfo(), cdata);
}
//
// When using assembly public key attributes InternalsVisibleTo key
// was not checked, we have to do it later when we actually know what
// our public key token is
//
void CheckReferencesPublicToken()
{
// TODO: It should check only references assemblies but there is
// no working SRE API
foreach (var entry in Importer.Assemblies)
{
var a = entry as ImportedAssemblyDefinition;
if (a == null)
{
continue;
}
if (public_key != null && !a.HasStrongName)
{
Report.Error(1577, "Referenced assembly `{0}' does not have a strong name",
a.FullName);
}
var ci = a.Assembly.GetName().CultureInfo;
if (!ci.Equals(System.Globalization.CultureInfo.InvariantCulture))
{
Report.Warning(1607, 1, "Referenced assembly `{0}' has different culture setting of `{1}'",
a.Name, ci.Name);
}
if (!a.IsFriendAssemblyTo(this))
{
continue;
}
var attr = a.GetAssemblyVisibleToName(this);
var atoken = attr.GetPublicKeyToken();
if (ArrayComparer.IsEqual(GetPublicKeyToken(), atoken))
{
continue;
}
Report.SymbolRelatedToPreviousError(a.Location);
Report.Error(281,
"Friend access was granted to `{0}', but the output assembly is named `{1}'. Try adding a reference to `{0}' or change the output assembly name to match it",
attr.FullName, FullName);
}
}
protected override bool CheckBase()
{
if (!base.CheckBase())
{
return(false);
}
MemberSpec candidate;
bool overrides = false;
var conflict_symbol = MemberCache.FindBaseMember(this, out candidate, ref overrides);
if (conflict_symbol == null)
{
conflict_symbol = candidate;
}
if (conflict_symbol == null)
{
if ((ModFlags & Modifiers.NEW) != 0)
{
Report.Warning(109, 4, Location, "The member `{0}' does not hide an inherited member. The new keyword is not required",
GetSignatureForError());
}
}
else
{
if ((ModFlags & (Modifiers.NEW | Modifiers.OVERRIDE | Modifiers.BACKING_FIELD)) == 0)
{
Report.SymbolRelatedToPreviousError(conflict_symbol);
Report.Warning(108, 2, Location, "`{0}' hides inherited member `{1}'. Use the new keyword if hiding was intended",
GetSignatureForError(), conflict_symbol.GetSignatureForError());
}
if (conflict_symbol.IsAbstract)
{
Report.SymbolRelatedToPreviousError(conflict_symbol);
Report.Error(533, Location, "`{0}' hides inherited abstract member `{1}'",
GetSignatureForError(), conflict_symbol.GetSignatureForError());
}
}
return(true);
}
protected override bool DoDefineMembers()
{
var builtin_types = Compiler.BuiltinTypes;
var ctor_parameters = ParametersCompiled.CreateFullyResolved(
new [] {
new Parameter(new TypeExpression(builtin_types.Object, Location), "object", Parameter.Modifier.NONE, null, Location),
new Parameter(new TypeExpression(builtin_types.IntPtr, Location), "method", Parameter.Modifier.NONE, null, Location)
},
new [] {
builtin_types.Object,
builtin_types.IntPtr
}
);
Constructor = new Constructor(this, Constructor.ConstructorName,
Modifiers.PUBLIC, null, ctor_parameters, Location);
Constructor.Define();
//
// Here the various methods like Invoke, BeginInvoke etc are defined
//
// First, call the `out of band' special method for
// defining recursively any types we need:
//
var p = parameters;
if (!p.Resolve(this))
{
return(false);
}
//
// Invoke method
//
// Check accessibility
foreach (var partype in p.Types)
{
if (!IsAccessibleAs(partype))
{
Report.SymbolRelatedToPreviousError(partype);
Report.Error(59, Location,
"Inconsistent accessibility: parameter type `{0}' is less accessible than delegate `{1}'",
TypeManager.CSharpName(partype), GetSignatureForError());
}
}
var ret_type = ReturnType.ResolveAsType(this);
if (ret_type == null)
{
return(false);
}
//
// We don't have to check any others because they are all
// guaranteed to be accessible - they are standard types.
//
if (!IsAccessibleAs(ret_type))
{
Report.SymbolRelatedToPreviousError(ret_type);
Report.Error(58, Location,
"Inconsistent accessibility: return type `" +
TypeManager.CSharpName(ret_type) + "' is less " +
"accessible than delegate `" + GetSignatureForError() + "'");
return(false);
}
CheckProtectedModifier();
if (Compiler.Settings.StdLib && ret_type.IsSpecialRuntimeType)
{
Method.Error1599(Location, ret_type, Report);
return(false);
}
TypeManager.CheckTypeVariance(ret_type, Variance.Covariant, this);
var resolved_rt = new TypeExpression(ret_type, Location);
InvokeBuilder = new Method(this, resolved_rt, MethodModifiers, new MemberName(InvokeMethodName), p, null);
InvokeBuilder.Define();
//
// Don't emit async method for compiler generated delegates (e.g. dynamic site containers)
//
if (!IsCompilerGenerated)
{
DefineAsyncMethods(Parameters.CallingConvention, resolved_rt);
}
return(true);
}
protected void ResolveAssemblySecurityAttributes()
{
string key_file = null;
string key_container = null;
if (module.OptAttributes != null)
{
foreach (Attribute a in module.OptAttributes.Attrs)
{
// cannot rely on any resolve-based members before you call Resolve
if (a.ExplicitTarget != "assembly")
{
continue;
}
// TODO: This code is buggy: comparing Attribute name without resolving is wrong.
// However, this is invoked by CodeGen.Init, when none of the namespaces
// are loaded yet.
// TODO: Does not handle quoted attributes properly
switch (a.Name)
{
case "AssemblyKeyFile":
case "AssemblyKeyFileAttribute":
case "System.Reflection.AssemblyKeyFileAttribute":
if (Compiler.Settings.StrongNameKeyFile != null)
{
Report.SymbolRelatedToPreviousError(a.Location, a.GetSignatureForError());
Report.Warning(1616, 1, "Option `{0}' overrides attribute `{1}' given in a source file or added module",
"keyfile", "System.Reflection.AssemblyKeyFileAttribute");
}
else
{
string value = a.GetString();
if (!string.IsNullOrEmpty(value))
{
Error_ObsoleteSecurityAttribute(a, "keyfile");
key_file = value;
}
}
break;
case "AssemblyKeyName":
case "AssemblyKeyNameAttribute":
case "System.Reflection.AssemblyKeyNameAttribute":
if (Compiler.Settings.StrongNameKeyContainer != null)
{
Report.SymbolRelatedToPreviousError(a.Location, a.GetSignatureForError());
Report.Warning(1616, 1, "Option `{0}' overrides attribute `{1}' given in a source file or added module",
"keycontainer", "System.Reflection.AssemblyKeyNameAttribute");
}
else
{
string value = a.GetString();
if (!string.IsNullOrEmpty(value))
{
Error_ObsoleteSecurityAttribute(a, "keycontainer");
key_container = value;
}
}
break;
case "AssemblyDelaySign":
case "AssemblyDelaySignAttribute":
case "System.Reflection.AssemblyDelaySignAttribute":
bool b = a.GetBoolean();
if (b)
{
Error_ObsoleteSecurityAttribute(a, "delaysign");
}
delay_sign = b;
break;
}
}
}
// We came here only to report assembly attributes warnings
if (public_key != null)
{
return;
}
//
// Load the strong key file found in attributes when no
// command line key was given
//
if (key_file != null || key_container != null)
{
LoadPublicKey(key_file, key_container);
}
else if (delay_sign)
{
Report.Warning(1607, 1, "Delay signing was requested but no key file was given");
}
}
public void ApplyAttributeBuilder(Attribute a, MethodSpec ctor, byte[] cdata, PredefinedAttributes pa)
{
if (a.IsValidSecurityAttribute())
{
a.ExtractSecurityPermissionSet(ctor, ref declarative_security);
return;
}
if (a.Type == pa.AssemblyCulture)
{
string value = a.GetString();
if (value == null || value.Length == 0)
{
return;
}
if (Compiler.Settings.Target == Target.Exe)
{
a.Error_AttributeEmitError("The executables cannot be satelite assemblies, remove the attribute or keep it empty");
return;
}
if (value == "neutral")
{
value = "";
}
if (Compiler.Settings.Target == Target.Module)
{
SetCustomAttribute(ctor, cdata);
}
else
{
builder_extra.SetCulture(value, a.Location);
}
IsSatelliteAssembly = true;
return;
}
if (a.Type == pa.AssemblyVersion)
{
string value = a.GetString();
if (value == null || value.Length == 0)
{
return;
}
var vinfo = IsValidAssemblyVersion(value, true);
if (vinfo == null)
{
a.Error_AttributeEmitError(string.Format("Specified version `{0}' is not valid", value));
return;
}
if (Compiler.Settings.Target == Target.Module)
{
SetCustomAttribute(ctor, cdata);
}
else
{
builder_extra.SetVersion(vinfo, a.Location);
}
return;
}
if (a.Type == pa.AssemblyAlgorithmId)
{
const int pos = 2; // skip CA header
uint alg = (uint)cdata [pos];
alg |= ((uint)cdata [pos + 1]) << 8;
alg |= ((uint)cdata [pos + 2]) << 16;
alg |= ((uint)cdata [pos + 3]) << 24;
if (Compiler.Settings.Target == Target.Module)
{
SetCustomAttribute(ctor, cdata);
}
else
{
builder_extra.SetAlgorithmId(alg, a.Location);
}
return;
}
if (a.Type == pa.AssemblyFlags)
{
const int pos = 2; // skip CA header
uint flags = (uint)cdata[pos];
flags |= ((uint)cdata [pos + 1]) << 8;
flags |= ((uint)cdata [pos + 2]) << 16;
flags |= ((uint)cdata [pos + 3]) << 24;
// Ignore set PublicKey flag if assembly is not strongnamed
if ((flags & (uint)AssemblyNameFlags.PublicKey) != 0 && public_key == null)
{
flags &= ~(uint)AssemblyNameFlags.PublicKey;
}
if (Compiler.Settings.Target == Target.Module)
{
SetCustomAttribute(ctor, cdata);
}
else
{
builder_extra.SetFlags(flags, a.Location);
}
return;
}
if (a.Type == pa.TypeForwarder)
{
TypeSpec t = a.GetArgumentType();
if (t == null || TypeManager.HasElementType(t))
{
Report.Error(735, a.Location, "Invalid type specified as an argument for TypeForwardedTo attribute");
return;
}
if (emitted_forwarders == null)
{
emitted_forwarders = new Dictionary <ITypeDefinition, Attribute> ();
}
else if (emitted_forwarders.ContainsKey(t.MemberDefinition))
{
Report.SymbolRelatedToPreviousError(emitted_forwarders[t.MemberDefinition].Location, null);
Report.Error(739, a.Location, "A duplicate type forward of type `{0}'",
TypeManager.CSharpName(t));
return;
}
emitted_forwarders.Add(t.MemberDefinition, a);
if (t.MemberDefinition.DeclaringAssembly == this)
{
Report.SymbolRelatedToPreviousError(t);
Report.Error(729, a.Location, "Cannot forward type `{0}' because it is defined in this assembly",
TypeManager.CSharpName(t));
return;
}
if (t.IsNested)
{
Report.Error(730, a.Location, "Cannot forward type `{0}' because it is a nested type",
TypeManager.CSharpName(t));
return;
}
builder_extra.AddTypeForwarder(t.GetDefinition(), a.Location);
return;
}
if (a.Type == pa.Extension)
{
a.Error_MisusedExtensionAttribute();
return;
}
if (a.Type == pa.InternalsVisibleTo)
{
string assembly_name = a.GetString();
if (assembly_name.Length == 0)
{
return;
}
#if STATIC
ParsedAssemblyName aname;
ParseAssemblyResult r = Fusion.ParseAssemblyName(assembly_name, out aname);
if (r != ParseAssemblyResult.OK)
{
Report.Warning(1700, 3, a.Location, "Assembly reference `{0}' is invalid and cannot be resolved",
assembly_name);
return;
}
if (aname.Version != null || aname.Culture != null || aname.ProcessorArchitecture != ProcessorArchitecture.None)
{
Report.Error(1725, a.Location,
"Friend assembly reference `{0}' is invalid. InternalsVisibleTo declarations cannot have a version, culture or processor architecture specified",
assembly_name);
return;
}
if (public_key != null && !aname.HasPublicKey)
{
Report.Error(1726, a.Location,
"Friend assembly reference `{0}' is invalid. Strong named assemblies must specify a public key in their InternalsVisibleTo declarations",
assembly_name);
return;
}
#endif
}
else if (a.Type == pa.RuntimeCompatibility)
{
wrap_non_exception_throws_custom = true;
}
else if (a.Type == pa.AssemblyFileVersion)
{
string value = a.GetString();
if (string.IsNullOrEmpty(value) || IsValidAssemblyVersion(value, false) == null)
{
Report.Warning(1607, 1, a.Location, "The version number `{0}' specified for `{1}' is invalid",
value, a.Name);
return;
}
}
SetCustomAttribute(ctor, cdata);
}
public static void Error_VariableOfStaticClass(Location loc, string variable_name, TypeSpec static_class, Report Report)
{
Report.SymbolRelatedToPreviousError(static_class);
Report.Error(723, loc, "`{0}': cannot declare variables of static types",
variable_name);
}
public static void Error_VariableOfStaticClass (Location loc, string variable_name, TypeSpec static_class, Report Report)
{
Report.SymbolRelatedToPreviousError (static_class);
Report.Error (723, loc, "`{0}': cannot declare variables of static types",
variable_name);
}