From 134d3ac4caff6d87c79b0892e57073594cb0064c Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Fri, 9 Oct 2026 14:43:11 +0200
Subject: Remove Pointer and nil support

---
 gcc/gcc/elna-builtins.cc |  1 -
 gcc/gcc/elna-generic.cc  |  6 ------
 gcc/gcc/elna-tree.cc     | 16 ++++++++++------
 3 files changed, 10 insertions(+), 13 deletions(-)

(limited to 'gcc')

diff --git a/gcc/gcc/elna-builtins.cc b/gcc/gcc/elna-builtins.cc
index 8eb5ce1..69b8229 100644
--- a/gcc/gcc/elna-builtins.cc
+++ b/gcc/gcc/elna-builtins.cc
@@ -142,7 +142,6 @@ namespace elna::gcc
         declare_builtin_type(builtin_table, "Word64", unsigned_intDI_type_node);
         declare_builtin_type(builtin_table, "Char", elna_char_type_node);
         declare_builtin_type(builtin_table, "Bool", elna_bool_type_node);
-        declare_builtin_type(builtin_table, "Pointer", elna_pointer_type_node);
         declare_builtin_type(builtin_table, "Single", float_type_node);
         declare_builtin_type(builtin_table, "Double", double_type_node);
 
diff --git a/gcc/gcc/elna-generic.cc b/gcc/gcc/elna-generic.cc
index bb93270..bf4784b 100644
--- a/gcc/gcc/elna-generic.cc
+++ b/gcc/gcc/elna-generic.cc
@@ -662,12 +662,6 @@ namespace elna::gcc
                 this->symbols, elna_char_type_node);
     }
 
-    void generic_visitor::visit(boot::literal<std::nullptr_t> *)
-    {
-        this->current_expression = constant_to_tree(boot::constant_value{ std::nullptr_t{} },
-                this->symbols, elna_pointer_type_node);
-    }
-
     void generic_visitor::visit(boot::literal<std::string> *string)
     {
         tree slice_type = get_inner_alias(string->type_decoration, symbols);
diff --git a/gcc/gcc/elna-tree.cc b/gcc/gcc/elna-tree.cc
index 0f94864..9612ae2 100644
--- a/gcc/gcc/elna-tree.cc
+++ b/gcc/gcc/elna-tree.cc
@@ -85,12 +85,9 @@ namespace elna::gcc
         return field_declaration;
     }
 
-    // The generic Pointer has no pointee size; it advances byte by byte.
     static tree pointer_stride(tree pointer_type, tree offset_type)
     {
-        return pointer_type == elna_pointer_type_node
-            ? size_one_node
-            : fold_convert(offset_type, size_in_bytes(TREE_TYPE(pointer_type)));
+        return fold_convert(offset_type, size_in_bytes(TREE_TYPE(pointer_type)));
     }
 
     tree do_pointer_arithmetic(boot::binary_operator binary_operator,
@@ -293,9 +290,16 @@ namespace elna::gcc
         {
             return build_int_cstu(elna_char_type_node, std::get<std::uint32_t>(constant_value));
         }
-        else if (std::holds_alternative<std::nullptr_t>(constant_value))
+        else if (std::holds_alternative<boot::pointer_literal>(constant_value))
         {
-            return null_pointer_node;
+            const boot::integer_literal& address =
+                std::get<boot::pointer_literal>(constant_value).address;
+
+            if (auto converted = address.try_to<std::size_t>())
+            {
+                return build_int_cstu(type, *converted);
+            }
+            return NULL_TREE;
         }
         else if (std::holds_alternative<std::string>(constant_value))
         {
-- 
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