protected override Expression DoResolve (ResolveContext rc)
{
var sn = expr as SimpleName;
const ResolveFlags flags = ResolveFlags.VariableOrValue | ResolveFlags.Type;
if (sn != null) {
expr = sn.LookupNameExpression (rc, MemberLookupRestrictions.ReadAccess | MemberLookupRestrictions.ExactArity);
//
// Resolve expression which does have type set as we need expression type
// with disable flow analysis as we don't know whether left side expression
// is used as variable or type
//
if (expr is VariableReference || expr is ConstantExpr || expr is Linq.TransparentMemberAccess) {
expr = expr.Resolve (rc);
} else if (expr is TypeParameterExpr) {
expr.Error_UnexpectedKind (rc, flags, sn.Location);
expr = null;
}
} else {
expr = expr.Resolve (rc, flags);
}
if (expr == null)
return null;
TypeSpec expr_type = expr.Type;
if (expr_type.IsPointer || expr_type.Kind == MemberKind.Void || expr_type == InternalType.NullLiteral || expr_type == InternalType.AnonymousMethod) {
expr.Error_OperatorCannotBeApplied (rc, loc, ".", expr_type);
return null;
}
if (targs != null) {
if (!targs.Resolve (rc))
return null;
}
var results = new List<string> ();
var nexpr = expr as NamespaceExpression;
if (nexpr != null) {
string namespaced_partial;
if (partial_name == null)
namespaced_partial = nexpr.Namespace.Name;
else
namespaced_partial = nexpr.Namespace.Name + "." + partial_name;
rc.CurrentMemberDefinition.GetCompletionStartingWith (namespaced_partial, results);
if (partial_name != null)
results = results.Select (l => l.Substring (partial_name.Length)).ToList ();
} else {
var r = MemberCache.GetCompletitionMembers (rc, expr_type, partial_name).Select (l => l.Name);
AppendResults (results, partial_name, r);
}
throw new CompletionResult (partial_name == null ? "" : partial_name, results.Distinct ().ToArray ());
}
protected override Expression DoResolve(ResolveContext ec)
{
if (Arguments == null || Arguments.Count != 1)
{
ec.Report.Error(149, loc, "Method name expected");
return(null);
}
Argument a = Arguments [0];
if (!a.ResolveMethodGroup(ec))
{
return(null);
}
Expression e = a.Expr;
AnonymousMethodExpression ame = e as AnonymousMethodExpression;
if (ame != null && ec.Module.Compiler.Settings.Version != LanguageVersion.ISO_1)
{
e = ame.Compatible(ec, type);
if (e == null)
{
return(null);
}
return(e.Resolve(ec));
}
method_group = e as MethodGroupExpr;
if (method_group == null)
{
if (e.Type.BuiltinType == BuiltinTypeSpec.Type.Dynamic)
{
e = Convert.ImplicitConversionRequired(ec, e, type, loc);
}
else if (!e.Type.IsDelegate)
{
e.Error_UnexpectedKind(ec, ResolveFlags.MethodGroup | ResolveFlags.Type, loc);
return(null);
}
//
// An argument is not a method but another delegate
//
method_group = new MethodGroupExpr(Delegate.GetInvokeMethod(e.Type), e.Type, loc);
method_group.InstanceExpression = e;
}
return(base.DoResolve(ec));
}
public override Expression DoResolve(ResolveContext ec)
{
if (Arguments == null || Arguments.Count != 1)
{
ec.Report.Error(149, loc, "Method name expected");
return(null);
}
Argument a = Arguments [0];
if (!a.ResolveMethodGroup(ec))
{
return(null);
}
Expression e = a.Expr;
AnonymousMethodExpression ame = e as AnonymousMethodExpression;
if (ame != null && RootContext.Version != LanguageVersion.ISO_1)
{
e = ame.Compatible(ec, type);
if (e == null)
{
return(null);
}
return(e.Resolve(ec));
}
method_group = e as MethodGroupExpr;
if (method_group == null)
{
if (!TypeManager.IsDelegateType(e.Type))
{
e.Error_UnexpectedKind(ec, ResolveFlags.MethodGroup | ResolveFlags.Type, loc);
return(null);
}
//
// An argument is not a method but another delegate
//
delegate_instance_expression = e;
method_group = new MethodGroupExpr(new MemberInfo [] {
Delegate.GetInvokeMethod(ec.Compiler, ec.CurrentType, e.Type)
}, e.Type, loc);
}
return(base.DoResolve(ec));
}
protected override Expression DoResolve(ResolveContext rc)
{
var sn = expr as SimpleName;
const ResolveFlags flags = ResolveFlags.VariableOrValue | ResolveFlags.Type;
//
// Resolve the expression with flow analysis turned off, we'll do the definite
// assignment checks later. This is because we don't know yet what the expression
// will resolve to - it may resolve to a FieldExpr and in this case we must do the
// definite assignment check on the actual field and not on the whole struct.
//
using (rc.Set(ResolveContext.Options.OmitStructFlowAnalysis)) {
if (sn != null)
{
expr = sn.LookupNameExpression(rc, MemberLookupRestrictions.ReadAccess | MemberLookupRestrictions.ExactArity);
//
// Resolve expression which does have type set as we need expression type
// with disable flow analysis as we don't know whether left side expression
// is used as variable or type
//
if (expr is VariableReference || expr is ConstantExpr || expr is Linq.TransparentMemberAccess)
{
using (rc.With(ResolveContext.Options.DoFlowAnalysis, false)) {
expr = expr.Resolve(rc);
}
}
else if (expr is TypeParameterExpr)
{
expr.Error_UnexpectedKind(rc, flags, sn.Location);
expr = null;
}
}
else
{
expr = expr.Resolve(rc, flags);
}
}
if (expr == null)
{
return(null);
}
TypeSpec expr_type = expr.Type;
if (expr_type.IsPointer || expr_type.Kind == MemberKind.Void || expr_type == InternalType.NullLiteral || expr_type == InternalType.AnonymousMethod)
{
expr.Error_OperatorCannotBeApplied(rc, loc, ".", expr_type);
return(null);
}
if (targs != null)
{
if (!targs.Resolve(rc))
{
return(null);
}
}
var results = new List <string> ();
if (expr is Namespace)
{
Namespace nexpr = expr as Namespace;
string namespaced_partial;
if (partial_name == null)
{
namespaced_partial = nexpr.Name;
}
else
{
namespaced_partial = nexpr.Name + "." + partial_name;
}
rc.CurrentMemberDefinition.GetCompletionStartingWith(namespaced_partial, results);
if (partial_name != null)
{
results = results.Select(l => l.Substring(partial_name.Length)).ToList();
}
}
else
{
var r = MemberCache.GetCompletitionMembers(rc, expr_type, partial_name).Select(l => l.Name);
AppendResults(results, partial_name, r);
}
throw new CompletionResult(partial_name == null ? "" : partial_name, results.Distinct().ToArray());
}
