///
/// Looks for extension method in this namespace
///
public ArrayList LookupExtensionMethod (Type extensionType, ClassOrStruct currentClass, string name)
{
ArrayList found = null;
if (declspaces != null) {
IEnumerator e = declspaces.Values.GetEnumerator ();
e.Reset ();
while (e.MoveNext ()) {
Class c = e.Current as Class;
if (c == null)
continue;
if ((c.ModFlags & Modifiers.METHOD_EXTENSION) == 0)
continue;
ArrayList res = c.MemberCache.FindExtensionMethods (extensionType, name, c != currentClass);
if (res == null)
continue;
if (found == null)
found = res;
else
found.AddRange (res);
}
}
if (external_exmethod_classes == null)
return found;
foreach (Type t in external_exmethod_classes) {
MemberCache m = TypeHandle.GetMemberCache (t);
ArrayList res = m.FindExtensionMethods (extensionType, name, true);
if (res == null)
continue;
if (found == null)
found = res;
else
found.AddRange (res);
}
return found;
}
private static void FindEmbedFields(ModuleContainer module, ClassOrStruct cl, List<EmbedData> embeds) {
foreach (var m in cl.Members) {
var f = m as Field;
if (f == null || f.OptAttributes == null || f.OptAttributes.Attrs.Count == 0)
continue;
if (!(f.TypeExpression is TypeExpression) || f.TypeExpression.Type != module.Compiler.BuiltinTypes.Type)
continue;
Mono.CSharp.Attribute embedAttr = null;
foreach (var attr in f.OptAttributes.Attrs) {
if (attr.Name == "Embed") {
embedAttr = attr;
break;
}
}
if (embedAttr == null)
continue;
var e = new EmbedData();
e._index = _embedCount;
_embedCount++;
e._className = "__EmbedLoader" + e._index;
e._field = f;
e.source = e.mimeType = e.embedAsCFF = e.fontFamily = e.symbol = "null";
foreach (NamedArgument arg in embedAttr.NamedArguments) {
if (!(arg.Expr is StringLiteral))
continue;
var s = ((StringLiteral)(arg.Expr)).GetValueAsLiteral();
switch (arg.Name) {
case "source": e.source = s; break;
case "mimeType": e.mimeType = s; break;
case "embedAsCFF": e.embedAsCFF = s; break;
case "fontFamily": e.fontFamily = s; break;
case "symbol": e.symbol = s; break;
}
}
embeds.Add (e);
}
}
///
/// Looks for extension method in this namespace
///
public List<MethodSpec> LookupExtensionMethod (TypeSpec extensionType, ClassOrStruct currentClass, string name, int arity)
{
if (types == null)
return null;
List<MethodSpec> found = null;
var invocation_type = currentClass == null ? InternalType.FakeInternalType : currentClass.CurrentType;
// TODO: Add per namespace flag when at least 1 type has extension
foreach (var tgroup in types.Values) {
foreach (var ts in tgroup) {
if ((ts.Modifiers & Modifiers.METHOD_EXTENSION) == 0)
continue;
var res = ts.MemberCache.FindExtensionMethods (invocation_type, extensionType, name, arity);
if (res == null)
continue;
if (found == null) {
found = res;
} else {
found.AddRange (res);
}
}
}
return found;
}
///
/// Looks for extension method in this namespace
///
public ArrayList LookupExtensionMethod(Type extensionType, ClassOrStruct currentClass, string name)
{
ArrayList found = null;
if (declspaces != null)
{
IEnumerator e = declspaces.Values.GetEnumerator();
e.Reset();
while (e.MoveNext())
{
Class c = e.Current as Class;
if (c == null)
{
continue;
}
if (!c.IsStaticClass)
{
continue;
}
ArrayList res = c.MemberCache.FindExtensionMethods(extensionType, name, c != currentClass);
if (res == null)
{
continue;
}
if (found == null)
{
found = res;
}
else
{
found.AddRange(res);
}
}
}
if (external_exmethod_classes == null)
{
return(found);
}
foreach (Type t in external_exmethod_classes)
{
MemberCache m = TypeHandle.GetMemberCache(t);
ArrayList res = m.FindExtensionMethods(extensionType, name, true);
if (res == null)
{
continue;
}
if (found == null)
{
found = res;
}
else
{
found.AddRange(res);
}
}
return(found);
}
///
/// Does extension methods look up to find a method which matches name and extensionType.
/// Search starts from this namespace and continues hierarchically up to top level.
///
public ExtensionMethodGroupExpr LookupExtensionMethod(Type extensionType, ClassOrStruct currentClass, string name, Location loc)
{
ArrayList candidates = null;
if (currentClass != null)
{
candidates = ns.LookupExtensionMethod(extensionType, currentClass, name);
if (candidates != null)
{
return(new ExtensionMethodGroupExpr(candidates, this, extensionType, loc));
}
}
foreach (Namespace n in GetUsingTable())
{
ArrayList a = n.LookupExtensionMethod(extensionType, null, name);
if (a == null)
{
continue;
}
if (candidates == null)
{
candidates = a;
}
else
{
candidates.AddRange(a);
}
}
if (candidates != null)
{
return(new ExtensionMethodGroupExpr(candidates, parent, extensionType, loc));
}
if (parent == null)
{
return(null);
}
//
// Inspect parent namespaces in namespace expression
//
Namespace parent_ns = ns.Parent;
do
{
candidates = parent_ns.LookupExtensionMethod(extensionType, null, name);
if (candidates != null)
{
return(new ExtensionMethodGroupExpr(candidates, parent, extensionType, loc));
}
parent_ns = parent_ns.Parent;
} while (parent_ns != null);
//
// Continue in parent scope
//
return(parent.LookupExtensionMethod(extensionType, currentClass, name, loc));
}
///
/// Does extension methods look up to find a method which matches name and extensionType.
/// Search starts from this namespace and continues hierarchically up to top level.
///
public ExtensionMethodGroupExpr LookupExtensionMethod (Type extensionType, ClassOrStruct currentClass, string name, Location loc)
{
ArrayList candidates = null;
if (currentClass != null) {
candidates = ns.LookupExtensionMethod (extensionType, currentClass, name);
if (candidates != null)
return new ExtensionMethodGroupExpr (candidates, this, extensionType, loc);
}
foreach (Namespace n in GetUsingTable ()) {
ArrayList a = n.LookupExtensionMethod (extensionType, null, name);
if (a == null)
continue;
if (candidates == null)
candidates = a;
else
candidates.AddRange (a);
}
if (candidates != null)
return new ExtensionMethodGroupExpr (candidates, parent, extensionType, loc);
if (parent == null)
return null;
//
// Inspect parent namespaces in namespace expression
//
Namespace parent_ns = ns.Parent;
do {
candidates = parent_ns.LookupExtensionMethod (extensionType, null, name);
if (candidates != null)
return new ExtensionMethodGroupExpr (candidates, parent, extensionType, loc);
parent_ns = parent_ns.Parent;
} while (parent_ns != null);
//
// Continue in parent scope
//
return parent.LookupExtensionMethod (extensionType, currentClass, name, loc);
}
