private Declaration ResolveInternal(VBAParser.ICS_S_MembersCallContext context, ContextAccessorType accessorType, Declaration localScope = null, bool hasExplicitLetStatement = false, bool isAssignmentTarget = false)
{
if (context == null)
{
return(null);
}
Declaration parent;
if (_withBlockQualifiers.Any())
{
parent = _withBlockQualifiers.Peek();
}
else
{
if (localScope == null)
{
localScope = _currentScope;
}
parent = ResolveInternal(context.iCS_S_ProcedureOrArrayCall(), localScope, accessorType, hasExplicitLetStatement, isAssignmentTarget)
?? ResolveInternal(context.iCS_S_VariableOrProcedureCall(), localScope, accessorType, hasExplicitLetStatement, isAssignmentTarget);
parent = ResolveType(parent);
}
var chainedCalls = context.iCS_S_MemberCall();
var lastCall = chainedCalls.Last();
foreach (var memberCall in chainedCalls)
{
// if we're on the left side of an assignment, only the last memberCall is the assignment target.
var isLast = memberCall.Equals(lastCall);
var accessor = isLast
? accessorType
: ContextAccessorType.GetValueOrReference;
var isTarget = isLast && isAssignmentTarget;
var member = ResolveInternal(memberCall.iCS_S_ProcedureOrArrayCall(), parent, accessor, hasExplicitLetStatement, isTarget)
?? ResolveInternal(memberCall.iCS_S_VariableOrProcedureCall(), parent, accessor, hasExplicitLetStatement, isTarget);
if (member == null)
{
return(null);
}
parent = ResolveType(member);
}
var fieldCall = context.dictionaryCallStmt();
if (fieldCall == null)
{
return(parent);
}
return(ResolveInternal(fieldCall, parent, hasExplicitLetStatement, isAssignmentTarget));
}
public override void EnterICS_S_MembersCall(VBAParser.ICS_S_MembersCallContext context)
{
// Implement statements are handled separately and directly through new binding expressions.
// Prevent duplicate references.
if (BindingMigrationHelper.HasParent <VBAParser.ImplementsStmtContext>(context))
{
return;
}
_resolver.Resolve(context);
}
private Declaration Resolve(VBAParser.ICS_S_MembersCallContext context, out VBAParser.AmbiguousIdentifierContext identifierContext, DeclarationType accessorType)
{
if (context == null)
{
identifierContext = null;
return(null);
}
var members = context.iCS_S_MemberCall();
for (var index = 0; index < members.Count; index++)
{
var member = members[index];
if (index < members.Count - 1)
{
var parent = Resolve(member.iCS_S_ProcedureOrArrayCall())
?? Resolve(member.iCS_S_VariableOrProcedureCall());
if (parent == null)
{
// return early if we can't resolve the whole member chain
identifierContext = null;
return(null);
}
}
else
{
var result = Resolve(member.iCS_S_ProcedureOrArrayCall())
?? Resolve(member.iCS_S_VariableOrProcedureCall());
identifierContext = result == null
? null
: result.Context == null
? null
: ((dynamic)result.Context).ambiguousIdentifier();
return(result);
}
}
identifierContext = null;
return(null);
}
private Declaration Resolve(VBAParser.ICS_S_MembersCallContext context)
{
VBAParser.AmbiguousIdentifierContext discarded;
return(Resolve(context, out discarded, DeclarationType.PropertyGet));
}
public void Resolve(VBAParser.ICS_S_MembersCallContext context)
{
if (context == null || _alreadyResolved.Contains(context))
{
return;
}
Declaration parent;
if (_withBlockQualifiers.Any())
{
parent = _withBlockQualifiers.Peek();
}
else
{
parent = ResolveInternal(context.iCS_S_ProcedureOrArrayCall(), _currentScope)
?? ResolveInternal(context.iCS_S_VariableOrProcedureCall(), _currentScope);
parent = ResolveType(parent);
}
if (parent != null && parent.Context != null)
{
var identifierContext = ((dynamic)parent.Context).ambiguousIdentifier() as VBAParser.AmbiguousIdentifierContext;
var parentReference = CreateReference(identifierContext, parent);
parent.AddReference(parentReference);
_alreadyResolved.Add(parentReference.Context);
}
var chainedCalls = context.iCS_S_MemberCall();
foreach (var memberCall in chainedCalls)
{
var notationToken = memberCall.children[0];
if (notationToken.GetText() == "!")
{
// the memberCall is a shorthand reference to the type's default member.
// since the reference isn't explicit, we don't need to care for it.
// (and we couldn't handle it if we wanted to, since we aren't parsing member attributes)
return;
}
var member = ResolveInternal(memberCall.iCS_S_ProcedureOrArrayCall(), parent)
?? ResolveInternal(memberCall.iCS_S_VariableOrProcedureCall(), parent);
if (member == null)
{
return;
}
parent = ResolveType(member);
}
var fieldCall = context.dictionaryCallStmt();
if (fieldCall == null)
{
return;
}
ResolveInternal(fieldCall, parent);
_alreadyResolved.Add(context);
}
public override void EnterICS_S_MembersCall(VBAParser.ICS_S_MembersCallContext context)
{
_resolver.Resolve(context);
}