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

---
 boot/parser.yy | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

(limited to 'boot/parser.yy')

diff --git a/boot/parser.yy b/boot/parser.yy
index 855cc76..9628443 100644
--- a/boot/parser.yy
+++ b/boot/parser.yy
@@ -95,7 +95,6 @@ along with GCC; see the file COPYING3.  If not see
     COLON ":" SEMICOLON ";" DOT "." COMMA ","
 %token PROGRAM "program" MODULE "module"
     CAST "cast"
-    NIL "nil"
     CONST "const"
     VAR "var" THREADVAR "threadvar"
     PROCEDURE "proc"
@@ -156,8 +155,8 @@ along with GCC; see the file COPYING3.  If not see
 %type <std::vector<elna::boot::conditional_statements>> elsif_then_statements elsif_do_statements;;
 %type <std::unique_ptr<elna::boot::block>> else_statements block;
 %type <std::unique_ptr<elna::boot::identifier>> identifier with_counter;
-%type <std::unique_ptr<elna::boot::identifier_definition>> identifier_definition attributed_identifier;
-%type <std::vector<elna::boot::identifier_definition>> identifier_definitions;
+%type <std::unique_ptr<elna::boot::identifier_definition>> identifier_definition attributed_identifier field_identifier;
+%type <std::vector<elna::boot::identifier_definition>> identifier_definitions field_identifiers;
 %type <std::unique_ptr<elna::boot::attribute>> attribute;
 %type <std::vector<elna::boot::attribute>> attributes;
 %type <std::pair<std::vector<std::string>, bool>> import_declaration;
@@ -406,11 +405,6 @@ literal:
             $$ = new boot::literal<std::uint32_t>(boot::make_position(@$),
                     $1, boot::integer_sign::_unsigned);
         }
-    | "nil"
-        {
-            $$ = new boot::literal<std::nullptr_t>(boot::make_position(@$),
-                    nullptr, boot::integer_sign::_unsigned);
-        }
     | STRING
         {
             $$ = new boot::literal<std::string>(boot::make_position(@$),
@@ -631,8 +625,21 @@ statements:
             $$.insert($$.cend(), $3);
         }
     | statement { $$.push_back($1); }
+field_identifier:
+    IDENTIFIER attributes
+        {
+            $$ = std::make_unique<boot::identifier_definition>($1, boot::make_position(@1),
+                    false, std::vector<boot::identifier>{}, std::move($2));
+        }
+field_identifiers:
+    field_identifier "," field_identifiers
+        {
+            $$ = $3;
+            $$.emplace($$.cbegin(), std::move(*$1));
+        }
+    | field_identifier { $$.emplace_back(std::move(*$1)); }
 field_declaration:
-    identifier_definitions ":" type_expression
+    field_identifiers ":" type_expression
         { $$ = std::make_pair($1, std::shared_ptr<boot::type_expression>($3)); }
 field_declarations:
     field_declaration ";" field_declarations
-- 
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