Support compound statements

source/parser.cpp

@@ -175,6 +175,11 @@ namespace elna::source
         return m_statements;
     }
 
+    void assignment_statement::accept(parser_visitor *visitor)
+    {
+        visitor->visit(this);
+    }
+
     parser::parser(const std::vector<token>& tokens)
         : tokens(tokens.cbegin()), end(tokens.cend())
     {
@@ -323,16 +328,25 @@ namespace elna::source
         auto result = std::make_unique<compound_statement>();
         std::unique_ptr<statement> next_statement;
 
-        do
+        while ((next_statement = parse_statement()) != nullptr)
         {
-            if ((next_statement = parse_statement()) == nullptr)
-            {
-                return nullptr;
-            }
             result->statements().push_back(std::move(next_statement));
+
+            if (tokens->of() == token::type::semicolon)
+            {
+                ++tokens;
+            }
+            else if (tokens->of() == token::type::end)
+            {
+                ++tokens;
+                break;
+            }
+            else
+            {
+                errors.push_back(std::make_unique<unexpected_token>(*tokens));
+                break;
+            }
         }
-        while (tokens->of() != token::type::end);
-        ++tokens;
 
         return result;
     }