init

Author: fampiyush

Diff for: .gitignore

@@ -0,0 +1 @@
+/target

Diff for: Cargo.lock

@@ -0,0 +1,8 @@
+[package]
+name = "rlox"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

Diff for: Cargo.toml

@@ -0,0 +1,16 @@
+use ::std::{error::Error, fs, process};
+
+pub fn handle_error(err: String) {
+    eprintln!("{}", err);
+    process::exit(1);
+}
+
+pub fn run_prompt() {
+    todo!();
+}
+
+pub fn run_file(arg: &str) -> Result<(), Box<dyn Error>> {
+    let content = fs::read_to_string(arg)?;
+    dbg!(content);
+    Ok(())
+}

Diff for: src/lib.rs

@@ -0,0 +1,17 @@
+use std::env;
+
+use rlox::{handle_error, run_file, run_prompt};
+
+fn main() {
+    let arg: Vec<String> = env::args().collect();
+
+    match arg.len() {
+        1 => run_prompt(),
+        2 => run_file(&arg[1]).unwrap_or_else(|err| {
+            handle_error(err.to_string());
+        }),
+        _ => {
+            handle_error("Usage: rlox [script]".to_string());
+        }
+    }
+}