written tests for infix expressions

src/ast/expressions/infix.cpp

@@ -0,0 +1,19 @@
+#include "infix.hpp"
+
+#include "token/token.hpp"
+
+namespace ast {
+
+    std::string infix_expr::token_literal() const {
+        return token.literal;
+    }
+
+    std::string infix_expr::str() const {
+        return left->str() + token.literal + right->str();
+    }
+
+    infix_expr::~infix_expr() {
+        delete left;
+        delete right;
+    };
+} // namespace ast

src/ast/expressions/infix.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "ast/ast.hpp"
+#include "token/token.hpp"
+
+namespace ast {
+    struct infix_expr : expression {
+        token::token token;
+        expression* left;
+        std::string op;
+        expression* right;
+
+        std::string token_literal() const override;
+        std::string str() const override;
+        ~infix_expr();
+    };
+} // namespace ast