1 files changed, 69 insertions, 0 deletions
diff --git a/boot/ast.cc b/boot/ast.cc
index 9dbcf7f..08d3a78 100644
--- a/boot/ast.cc
+++ b/boot/ast.cc
@@ -17,6 +17,7 @@ along with GCC; see the file COPYING3.  If not see
 
 #include "elna/boot/ast.h"
 
+#include <algorithm>
 #include <utility>
 
 namespace elna::boot
@@ -588,6 +589,74 @@ namespace elna::boot
         return nullptr;
     }
 
+    attribute::attribute(identifier&& name, std::vector<expression *> arguments)
+        : m_name(std::move(name)), m_arguments(std::move(arguments))
+    {
+    }
+
+    attribute::attribute(attribute&& that) noexcept
+        : m_name(std::move(that.m_name)), m_arguments(std::move(that.m_arguments))
+    {
+    }
+
+    attribute::~attribute()
+    {
+        for (const expression *argument : this->arguments())
+        {
+            delete argument;
+        }
+    }
+
+    attribute& attribute::operator=(attribute&& that) noexcept
+    {
+        std::swap(this->m_name, that.m_name);
+        std::swap(this->m_arguments, that.m_arguments);
+
+        return *this;
+    }
+
+    const identifier& attribute::name() const
+    {
+        return this->m_name;
+    }
+
+    const std::vector<expression *>& attribute::arguments() const
+    {
+        return this->m_arguments;
+    }
+
+    identifier_definition::identifier_definition(const std::string& name,
+            const source_position& position, const bool exported, std::vector<attribute>&& attributes)
+        : attributes(std::move(attributes)), m_identifier(name, position), m_exported(exported)
+    {
+    }
+
+    const std::string& identifier_definition::name() const
+    {
+        return this->m_identifier.name();
+    }
+
+    const identifier& identifier_definition::id() const
+    {
+        return this->m_identifier;
+    }
+
+    bool identifier_definition::exported() const
+    {
+        return this->m_exported;
+    }
+
+    std::vector<identifier> extract_identifiers(const std::vector<identifier_definition>& identifiers)
+    {
+        std::vector<identifier> result;
+        result.reserve(identifiers.size());
+
+        std::ranges::transform(identifiers, std::back_inserter(result),
+                [](const auto& identifier) { return identifier.id(); });
+
+        return result;
+    }
+
     named_expression *type_expression::is_named()
     {
         return nullptr;