Séparation dans un module indépendant

src/main.rs

@@ -1,16 +1,9 @@
 use std::env;
-use std::fs;
-use std::io;
 use std::io::Write;
 use std::process;
 
 mod rlox;
-mod scanner;
-mod token_type;
-mod token;
-
-use crate::rlox::RLox;
-use crate::scanner::Scanner;
+use crate::rlox::rlox_interpreter::RLoxInterpreter;
 
 // Exit codes from #include <sysexits.h>
 const EX_OK: i32 = 0;
@@ -21,8 +14,8 @@ fn main() {
     let args: Vec<String> = env::args().collect();
 
     let exit_code = match args.len() {
-        1 => run_prompt(),
-        2 => run_file(&args[1]),
+        1 => { RLoxInterpreter::new().run_prompt() } ,
+        2 => { RLoxInterpreter::new().run_file(&args[1]) },
         _ => {
             println!("Usage : rlox [script]");
             EX_USAGE
@@ -32,37 +25,6 @@ fn main() {
     process::exit(exit_code);
 }
 
-fn run_file( file_path: &str ) -> i32 {
-    let contents = fs::read_to_string(file_path)
-        .expect(&format!("Should have been able to read the file {file_path}"));
-
-    run(contents)
-}
-
-fn run_prompt() -> i32 {
-    let mut exit_code = EX_OK;
-    loop {
-        print!("> ");
-        io::stdout().flush().expect("Unable to flush stdout");
-        let mut line = String::new();
-
-        io::stdin()
-            .read_line(&mut line)
-            .expect("Failed to read line");
-
-        if line.trim().is_empty() {
-            break;
-        }
-
-        exit_code = run(line);
-    }
-    exit_code
-}
-
-fn run( script: String ) -> i32 {
-    let rlox_interpreter = RLox { had_error: false };
-    if rlox_interpreter.had_error { EX_DATAERR } else { EX_OK }
-}
 
 // Implémentations de référence :
 // https://github.com/munificent/craftinginterpreters/wiki/Lox-implementations#rust

src/rlox.rs

@@ -1,21 +0,0 @@
-use crate::scanner::Scanner;
-
-pub struct RLox {
-    pub had_error: bool,
-}
-
-impl RLox {
-    fn error(&self, line: u32, message: String) {
-        self.report(line, String::from(""), message);
-    }
-
-    fn report(&self, line: u32, place: String, message: String) {
-        println!("[line {line}] Error {place}: {message}");
-    }
-
-    fn run(&self, src: String) {
-        let mut scanner = Scanner::create_scanner( src );
-
-
-    }
-}

src/rlox/mod.rs

@@ -0,0 +1,4 @@
+pub mod rlox_interpreter;
+pub mod scanner;
+pub mod token;
+pub mod token_type;

src/rlox/rlox_interpreter.rs

@@ -0,0 +1,57 @@
+use std::{fs, io};
+use crate::{EX_DATAERR, EX_OK};
+use crate::scanner::Scanner;
+use std::io::Write;
+
+pub struct RLoxInterpreter {
+    pub had_error: bool,
+}
+
+impl RLoxInterpreter {
+    pub fn new() -> Self {
+        RLoxInterpreter {
+            had_error: false,
+        }
+    }
+
+    fn error(&self, line: u32, message: String) {
+        self.report(line, String::from(""), message);
+    }
+
+    fn report(&self, line: u32, place: String, message: String) {
+        println!("[line {line}] Error {place}: {message}");
+    }
+
+    pub fn run_file(&self, file_path: &str ) -> i32 {
+        let contents = fs::read_to_string(file_path)
+            .expect(&format!("Should have been able to read the file {file_path}"));
+
+        self.run(contents)
+    }
+
+    pub fn run_prompt(&self) -> i32 {
+        let mut exit_code = EX_OK;
+        loop {
+            print!("> ");
+            io::stdout().flush().expect("Unable to flush stdout");
+            let mut line = String::new();
+
+            io::stdin()
+                .read_line(&mut line)
+                .expect("Failed to read line");
+
+            if line.trim().is_empty() {
+                break;
+            }
+
+            exit_code = self.run(line);
+        }
+        exit_code
+    }
+
+    fn run(&self, src: String) -> i32 {
+        let mut scanner = Scanner::create_scanner( src );
+        let rlox_interpreter = RLoxInterpreter { had_error: false };
+        if rlox_interpreter.had_error { EX_DATAERR } else { EX_OK }
+    }
+}