// Disable control flow analysis while resolving the expression.
// This is used when resolving the instance expression of a field expression.
- DisableFlowAnalysis = 16
+ DisableFlowAnalysis = 16,
+
+ // Set if this is resolving the first part of a MemberAccess.
+ Intermediate = 32
}
//
Warning (warning, s);
}
+ /// <summary>
+ /// Tests presence of ObsoleteAttribute and report proper error
+ /// </summary>
+ protected void CheckObsoleteAttribute (Type type)
+ {
+ ObsoleteAttribute obsolete_attr = AttributeTester.GetObsoleteAttribute (type);
+ if (obsolete_attr == null)
+ return;
+
+ AttributeTester.Report_ObsoleteMessage (obsolete_attr, type.FullName, loc);
+ }
+
/// <summary>
/// Performs semantic analysis on the Expression
/// </summary>
ec.DoFlowAnalysis = false;
Expression e;
+ bool intermediate = (flags & ResolveFlags.Intermediate) == ResolveFlags.Intermediate;
if (this is SimpleName)
- e = ((SimpleName) this).DoResolveAllowStatic (ec);
+ e = ((SimpleName) this).DoResolveAllowStatic (ec, intermediate);
+
else
e = DoResolve (ec);
return null;
}
+
+ private static ArrayList almostMatchedMembers = new ArrayList (4);
+
//
// FIXME: Probably implement a cache for (t,name,current_access_set)?
//
string name, MemberTypes mt,
BindingFlags bf, Location loc)
{
+ almostMatchedMembers.Clear ();
+
MemberInfo [] mi = TypeManager.MemberLookup (
- container_type, qualifier_type,queried_type, mt, bf, name);
+ container_type, qualifier_type,queried_type, mt, bf, name,
+ almostMatchedMembers);
if (mi == null)
return null;
e = MemberLookup (ec, ec.ContainerType, qualifier_type, queried_type,
name, mt, bf, loc);
- if (e != null)
- return e;
+ if (e == null && errors == Report.Errors)
+ // No errors were reported by MemberLookup, but there was an error.
+ MemberLookupFailed (ec, qualifier_type, queried_type, name,
+ null, loc);
- // Error has already been reported.
- if (errors < Report.Errors)
- return null;
-
- MemberLookupFailed (ec, qualifier_type, queried_type, name,
- null, loc);
- return null;
+ return e;
}
public static void MemberLookupFailed (EmitContext ec, Type qualifier_type,
Type queried_type, string name,
string class_name, Location loc)
{
+ if (almostMatchedMembers.Count != 0) {
+ if (qualifier_type == null) {
+ foreach (MemberInfo m in almostMatchedMembers)
+ Report.Error (38, loc,
+ "Cannot access non-static member `{0}' via nested type `{1}'",
+ TypeManager.GetFullNameSignature (m),
+ TypeManager.CSharpName (ec.ContainerType));
+ return;
+ }
+
+
+ if (qualifier_type != ec.ContainerType) {
+ // Although a derived class can access protected members of
+ // its base class it cannot do so through an instance of the
+ // base class (CS1540). If the qualifier_type is a parent of the
+ // ec.ContainerType and the lookup succeeds with the latter one,
+ // then we are in this situation.
+ foreach (MemberInfo m in almostMatchedMembers)
+ Report.Error (1540, loc,
+ "Cannot access protected member `{0}' via a qualifier of type `{1}';"
+ + " the qualifier must be of type `{2}' (or derived from it)",
+ TypeManager.GetFullNameSignature (m),
+ TypeManager.CSharpName (qualifier_type),
+ TypeManager.CSharpName (ec.ContainerType));
+ return;
+ }
+ almostMatchedMembers.Clear ();
+ }
+
MemberInfo[] mi = TypeManager.MemberLookup (queried_type, null, queried_type,
AllMemberTypes, AllBindingFlags |
- BindingFlags.NonPublic, name);
+ BindingFlags.NonPublic, name, null);
if (mi == null) {
if (class_name != null)
if (TypeManager.MemberLookup (queried_type, null, queried_type,
AllMemberTypes, AllBindingFlags |
- BindingFlags.NonPublic, name) == null) {
+ BindingFlags.NonPublic, name, null) == null) {
if ((mi.Length == 1) && (mi [0] is Type)) {
Type t = (Type) mi [0];
}
}
- if ((qualifier_type != null) && (qualifier_type != ec.ContainerType) &&
- ec.ContainerType.IsSubclassOf (qualifier_type)) {
- // Although a derived class can access protected members of
- // its base class it cannot do so through an instance of the
- // base class (CS1540). If the qualifier_type is a parent of the
- // ec.ContainerType and the lookup succeeds with the latter one,
- // then we are in this situation.
- mi = TypeManager.MemberLookup (
- ec.ContainerType, ec.ContainerType, ec.ContainerType,
- AllMemberTypes, AllBindingFlags, name);
-
- if (mi != null) {
- Report.Error (
- 1540, loc, "Cannot access protected member `" +
- TypeManager.CSharpName (qualifier_type) + "." +
- name + "' " + "via a qualifier of type `" +
- TypeManager.CSharpName (qualifier_type) + "'; the " +
- "qualifier must be of type `" +
- TypeManager.CSharpName (ec.ContainerType) + "' " +
- "(or derived from it)");
- return;
- }
- }
if (qualifier_type != null)
Report.Error_T (122, loc, TypeManager.CSharpName (qualifier_type) + "." + name);
/// </remarks>
public class SimpleName : Expression {
public string Name;
+ public readonly TypeArguments Arguments;
//
// If true, then we are a simple name, not composed with a ".
is_base = true;
}
+ public SimpleName (string name, TypeArguments args, Location l)
+ {
+ Name = name;
+ Arguments = args;
+ loc = l;
+ is_base = true;
+ }
+
public static void Error_ObjectRefRequired (EmitContext ec, Location l, string name)
{
if (ec.IsFieldInitializer)
public override Expression DoResolve (EmitContext ec)
{
- return SimpleNameResolve (ec, null, false);
+ return SimpleNameResolve (ec, null, false, false);
}
public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
{
- return SimpleNameResolve (ec, right_side, false);
+ return SimpleNameResolve (ec, right_side, false, false);
}
- public Expression DoResolveAllowStatic (EmitContext ec)
+ public Expression DoResolveAllowStatic (EmitContext ec, bool intermediate)
{
- return SimpleNameResolve (ec, null, true);
+ return SimpleNameResolve (ec, null, true, intermediate);
}
public override Expression ResolveAsTypeStep (EmitContext ec)
}
Expression SimpleNameResolve (EmitContext ec, Expression right_side,
- bool allow_static)
+ bool allow_static, bool intermediate)
{
- Expression e = DoSimpleNameResolve (ec, right_side, allow_static);
+ Expression e = DoSimpleNameResolve (ec, right_side, allow_static, intermediate);
if (e == null)
return null;
}
}
+ if (e.Type != null && e.Type.IsPointer && !ec.InUnsafe) {
+ UnsafeError (loc);
+ return null;
+ }
+
return e;
}
/// Type is both an instance variable and a Type; Type.GetType
/// is the static method not an instance method of type.
/// </remarks>
- Expression DoSimpleNameResolve (EmitContext ec, Expression right_side, bool allow_static)
+ Expression DoSimpleNameResolve (EmitContext ec, Expression right_side, bool allow_static, bool intermediate)
{
Expression e = null;
if (me == null)
return e;
+ if (Arguments != null) {
+ MethodGroupExpr mg = me as MethodGroupExpr;
+ if (mg == null)
+ return null;
+
+ return mg.ResolveGeneric (ec, Arguments);
+ }
+
// This fails if ResolveMemberAccess() was unable to decide whether
// it's a field or a type of the same name.
+
if (!me.IsStatic && (me.InstanceExpression == null))
return e;
if (!me.IsStatic &&
TypeManager.IsNestedChildOf (me.InstanceExpression.Type, me.DeclaringType) &&
- !me.InstanceExpression.Type.IsSubclassOf (me.DeclaringType)) {
+ !me.InstanceExpression.Type.IsSubclassOf (me.DeclaringType) &&
+ (!intermediate || !MemberAccess.IdenticalNameAndTypeName (ec, this, e, loc))) {
Error (38, "Cannot access nonstatic member `" + me.Name + "' of " +
"outer type `" + me.DeclaringType + "' via nested type `" +
me.InstanceExpression.Type + "'");
return null;
}
- if (right_side != null)
- e = e.DoResolveLValue (ec, right_side);
- else
- e = e.DoResolve (ec);
-
- return e;
+ return (right_side != null)
+ ? e.DoResolveLValue (ec, right_side)
+ : e.DoResolve (ec);
}
if (ec.IsStatic || ec.IsFieldInitializer){
{
return RemoveMethods (false);
}
+
+ public Expression ResolveGeneric (EmitContext ec, TypeArguments args)
+ {
+ if (args.Resolve (ec) == false)
+ return null;
+
+ Type[] atypes = args.Arguments;
+
+ int first_count = 0;
+ MethodInfo first = null;
+
+ ArrayList list = new ArrayList ();
+ foreach (MethodBase mb in Methods) {
+ MethodInfo mi = mb as MethodInfo;
+ if ((mi == null) || !mi.HasGenericParameters)
+ continue;
+
+ Type[] gen_params = mi.GetGenericArguments ();
+
+ if (first == null) {
+ first = mi;
+ first_count = gen_params.Length;
+ }
+
+ if (gen_params.Length != atypes.Length)
+ continue;
+
+ list.Add (mi.BindGenericParameters (atypes));
+ }
+
+ if (list.Count > 0) {
+ MethodGroupExpr new_mg = new MethodGroupExpr (list, Location);
+ new_mg.InstanceExpression = InstanceExpression;
+ new_mg.HasTypeArguments = true;
+ return new_mg;
+ }
+
+ if (first != null)
+ Report.Error (
+ 305, loc, "Using the generic method `{0}' " +
+ "requires {1} type arguments", Name,
+ first_count);
+ else
+ Report.Error (
+ 308, loc, "The non-generic method `{0}' " +
+ "cannot be used with type arguments", Name);
+
+ return null;
+ }
}
/// <summary>
return null;
}
+ ObsoleteAttribute oa;
+ FieldBase f = TypeManager.GetField (FieldInfo);
+ if (f != null) {
+ oa = f.GetObsoleteAttribute (ec.DeclSpace);
+ if (oa != null)
+ AttributeTester.Report_ObsoleteMessage (oa, f.GetSignatureForError (), loc);
+ // To be sure that type is external because we do not register generated fields
+ } else if (!(FieldInfo.DeclaringType is TypeBuilder)) {
+ oa = AttributeTester.GetMemberObsoleteAttribute (FieldInfo);
+ if (oa != null)
+ AttributeTester.Report_ObsoleteMessage (oa, TypeManager.GetFullNameSignature (FieldInfo), loc);
+ }
+
// If the instance expression is a local variable or parameter.
IVariable var = instance_expr as IVariable;
if ((var == null) || (var.VariableInfo == null))
for (; current != null; current = current.BaseType) {
MemberInfo[] group = TypeManager.MemberLookup (
invocation_type, invocation_type, current,
- MemberTypes.Property, flags, PropertyInfo.Name);
+ MemberTypes.Property, flags, PropertyInfo.Name, null);
if (group == null)
continue;
projects / mono.git / blobdiff