added return parsing

src/ast/statements/return.cpp

@@ -0,0 +1,15 @@
+#include "return.hpp"
+
+namespace ast {
+    return_stmt::return_stmt(token::token token)
+        : token(std::move(token)),
+          value(nullptr) {}
+
+    std::string return_stmt::token_literal() const {
+        return token.literal;
+    }
+
+    return_stmt::~return_stmt() {
+        delete value;
+    };
+} // namespace ast

src/ast/statements/return.hpp

@@ -0,0 +1,16 @@
+
+#include "ast/ast.hpp"
+#include "token/token.hpp"
+
+namespace ast {
+    struct return_stmt : statement {
+        return_stmt(token::token token);
+
+        token::token token;
+        expression* value;
+
+        std::string token_literal() const override;
+
+        ~return_stmt();
+    };
+} // namespace ast