Use the new .is_a() for literal kind checks in the evaluator

1 files changed, 22 insertions, 0 deletions

diff --git a/boot/result.cc b/boot/result.cc
index 15fe8b4..a5f0803 100644
--- a/boot/result.cc
+++ b/boot/result.cc
@@ -129,6 +129,28 @@ namespace elna::boot
         return this->m_exported;
     }
 
+    std::optional<std::pair<std::string, source_position>> previous_declaration_note(
+            const std::optional<source_position>& original, std::string_view label)
+    {
+        if (original.has_value() && original.value().start().available())
+        {
+            return std::make_pair(std::string(label), original.value());
+        }
+        else
+        {
+            return std::nullopt;
+        }
+    }
+
+    std::optional<std::pair<std::string, source_position>> identifier_list_note(
+            const std::vector<identifier>& identifiers)
+    {
+        auto position_span = source_position(identifiers.front().position().start(),
+                identifiers.back().position().end());
+
+        return std::make_optional(std::make_pair(join(identifiers), position_span));
+    }
+
     std::vector<identifier> extract_identifiers(const std::vector<identifier_definition>& identifiers)
     {
         std::vector<identifier> result;