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

src/parser/parser.cpp

@@ -51,6 +51,17 @@ namespace parser {
         return false;
     }
 
+    ast::return_stmt* parser::parse_return() {
+        ast::return_stmt* stmt = new ast::return_stmt(current);
+        next_token();
+
+        // TODO: we are currently skipping expressions until we encounter a
+        // semicolon
+        for (; current.type != token::type::SEMICOLON; next_token()) {}
+
+        return stmt;
+    }
+
     ast::let_stmt* parser::parse_let() {
         ast::let_stmt* stmt = new ast::let_stmt(current);