From 36440faa345bf842c348711325312c2b02e4cc23 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Thu, 9 Jul 2026 17:24:42 +0200
Subject: Merge program and unit AST types

---
 boot/ast.cc | 45 +++++++++++++++++----------------------------
 1 file changed, 17 insertions(+), 28 deletions(-)

(limited to 'boot/ast.cc')

diff --git a/boot/ast.cc b/boot/ast.cc
index 3599308..b6ce4b3 100644
--- a/boot/ast.cc
+++ b/boot/ast.cc
@@ -39,11 +39,6 @@ namespace elna::boot
         not_implemented();
     }
 
-    void empty_visitor::visit(program *)
-    {
-        not_implemented();
-    }
-
     void empty_visitor::visit(type_declaration *)
     {
         not_implemented();
@@ -383,8 +378,14 @@ namespace elna::boot
     }
 
     record_type_expression::record_type_expression(const struct position position,
-            std::vector<field_declaration>&& fields, std::optional<std::string> base)
-        : node(position), fields(std::move(fields)), base(base)
+            std::vector<field_declaration>&& fields)
+        : node(position), fields(std::move(fields))
+    {
+    }
+
+    record_type_expression::record_type_expression(const struct position position,
+            std::vector<field_declaration>&& fields, std::string&& base)
+        : node(position), fields(std::move(fields)), base(std::make_optional<std::string>(std::move(base)))
     {
     }
 
@@ -493,7 +494,8 @@ namespace elna::boot
         return this;
     }
 
-    enumeration_type_expression::enumeration_type_expression(const struct position position, std::vector<std::string>&& members)
+    enumeration_type_expression::enumeration_type_expression(const struct position position,
+            std::vector<std::string>&& members)
         : node(position), members(members)
     {
     }
@@ -510,13 +512,13 @@ namespace elna::boot
 
     procedure_declaration::procedure_declaration(const struct position position, identifier_definition identifier,
             procedure_type_expression *heading, block&& body)
-        : declaration(position, identifier), m_heading(heading), body(std::move(body))
+        : declaration(position, identifier), m_heading(heading), body(std::make_optional<block>(std::move(body)))
     {
     }
 
     procedure_declaration::procedure_declaration(const struct position position, identifier_definition identifier,
             procedure_type_expression *heading)
-        : declaration(position, identifier), m_heading(heading), body(std::nullopt)
+        : declaration(position, identifier), m_heading(heading)
     {
     }
 
@@ -618,6 +620,11 @@ namespace elna::boot
     {
     }
 
+    unit::unit(const struct position position, std::vector<statement *>&& body)
+        : node(position), body(std::make_optional<std::vector<statement *>>(std::move(body)))
+    {
+    }
+
     void unit::accept(parser_visitor *visitor)
     {
         visitor->visit(this);
@@ -647,24 +654,6 @@ namespace elna::boot
         }
     }
 
-    program::program(const struct position position)
-        : unit(position)
-    {
-    }
-
-    void program::accept(parser_visitor *visitor)
-    {
-        visitor->visit(this);
-    }
-
-    program::~program()
-    {
-        for (statement *body_statement : this->body)
-        {
-            delete body_statement;
-        }
-    }
-
     literal_expression *literal_expression::is_literal()
     {
         return this;
-- 
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