using smart pointers instead of normal ones for

easier setup of tests (to call setup() multiple
times without leaks)

src/parser/parser.cpp

@@ -84,8 +84,8 @@ namespace parser {
              next_token()) {};
     }
 
-    ast::program* parser::parse_program() {
-        ast::program* p = new ast::program();
+    std::unique_ptr<ast::program> parser::parse_program() {
+        std::unique_ptr<ast::program> p = std::make_unique<ast::program>();
 
         for (; current.type != token::type::END_OF_FILE; next_token()) {
             ast::statement* stmt = parse_statement();

src/parser/parser.hpp

@@ -11,6 +11,7 @@
 #include "token/token.hpp"
 
 #include <functional>
+#include <memory>
 #include <vector>
 
 namespace parser {
@@ -23,7 +24,7 @@ namespace parser {
         ~parser();
         std::vector<ast::error::error*> errors;
 
-        ast::program* parse_program();
+        std::unique_ptr<ast::program> parse_program();
 
       private:
         lexer::lexer& lexer;