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Unify invocation and member access type inference, add support for chained accesses

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This commit is contained in:
Joshua "Yoshi" Askharoun
2025-11-24 02:10:55 -06:00
parent d8c073bd3d
commit f0f067759a
1 changed files with 49 additions and 37 deletions
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libs/UIX.DecompXml/Mock/IrisObject.cs
+49 -37
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@@ -51,20 +51,61 @@ internal record IrisObject(object Object, TypeSchema Type)
if (expr is ParenthesizedExpressionSyntax parenExpr)
expr = parenExpr.Expression;
if (expr is MemberAccessExpressionSyntax memberAccessExpression)
if (expr is InvocationExpressionSyntax or MemberAccessExpressionSyntax)
{
// TODO: Handle member access on instances
// TODO: Handle invocation of instance methods
try
{
var sourceExpr = (IdentifierNameSyntax)memberAccessExpression.Expression;
var sourceTypeName = QualifiedTypeName.Parse(sourceExpr.ToString());
ExpressionSyntax sourceExpr = expr;
Stack<ArgumentListSyntax> argumentLists = [];
List<NameSyntax> names = [];
while (sourceExpr is not NameSyntax)
{
if (sourceExpr is MemberAccessExpressionSyntax innerSourceExpr)
{
names.Add(innerSourceExpr.Name);
sourceExpr = innerSourceExpr.Expression;
}
else if (sourceExpr is InvocationExpressionSyntax innerInvocationExpr)
{
argumentLists.Push(innerInvocationExpr.ArgumentList);
sourceExpr = innerInvocationExpr.Expression;
}
}
if (sourceExpr is not NameSyntax sourceName)
return null;
names.Reverse();
var sourceTypeName = QualifiedTypeName.Parse(sourceName.ToString());
var sourceType = ctx.GetImportedType(sourceTypeName);
var memberName = memberAccessExpression.TryGetInferredMemberName();
foreach (var name in names)
{
var memberName = name.ToString();
var property = sourceType.FindPropertyDeep(memberName);
if (property is not null)
return property.PropertyType;
var prop = sourceType.FindPropertyDeep(memberName);
if (prop is not null)
{
sourceType = prop.PropertyType;
continue;
}
var argumentList = argumentLists.Pop();
// Try to disambiguate overloads using number of parameters
var parameterCount = argumentList.Arguments.Count;
var method = sourceType.Methods.FirstOrDefault(
m => m.Name == memberName && m.ParameterTypes.Length == parameterCount);
sourceType = method.ReturnType;
}
return sourceType;
}
catch { }
}
@@ -91,35 +132,6 @@ internal record IrisObject(object Object, TypeSchema Type)
_ => throw new System.NotImplementedException(),
};
}
else if (expr is InvocationExpressionSyntax invocationExpression)
{
// TODO: Handle invocation of instance methods
try
{
var sourceExpr = invocationExpression.Expression;
List<NameSyntax> names = [];
while (sourceExpr is MemberAccessExpressionSyntax innerSourceExpr)
{
names.Add(innerSourceExpr.Name);
sourceExpr = innerSourceExpr.Expression;
}
var sourceTypeName = QualifiedTypeName.Parse(sourceExpr.ToString());
var sourceType = ctx.GetImportedType(sourceTypeName);
var memberName = names[^1].ToString();
// Try to disambiguate overloads using number of parameters
var parameterCount = invocationExpression.ArgumentList.Arguments.Count;
var method = sourceType.Methods.FirstOrDefault(
m => m.Name == memberName && m.ParameterTypes.Length == parameterCount);
return method?.ReturnType;
}
catch { }
}
return null;
}