repl

src/repl/mod.rs

@@ -0,0 +1,27 @@
+use crate::lexer::LexerTraits;
+use crate::lexer::new;
+
+const PROMPT: &str = ">> ";
+
+pub fn start_repl() {
+    println!("Welcome to the REPL! Type 'exit' to quit.");
+    loop {
+        print!("{}", PROMPT);
+        let mut input = String::new();
+        std::io::stdin()
+            .read_line(&mut input)
+            .expect("Failed to read line");
+        let input = input.trim();
+        if input == "exit" {
+            break;
+        }
+        let mut lexer = new(input.to_string());
+        loop {
+            let token = lexer.next_token();
+            if token.type_ == "EOF" {
+                break;
+            }
+            println!("Token: {:?}, Literal: {:?}", token.type_, token.literal);
+        }
+    }
+}