cli: Improve REPL UX.

bryanhonof · Sep 25, 2021 · 25a7ea1 · 25a7ea1
1 parent 5f4ca39
commit 25a7ea1
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/src/lexer.rs b/src/lexer.rs
@@ -95,6 +95,17 @@ impl Lexer {
             builtins: vec![],
         }
     }
+    pub fn line(self, line: usize) -> Self {
+        Self {
+            input: self.input,
+            output: self.output,
+            current: self.current,
+            line,
+            start: self.start,
+            file: self.file,
+            builtins: self.builtins,
+        }
+    }
     fn is_at_end(&self) -> bool {
         self.current >= self.input.chars().count()
     }

diff --git a/src/main.rs b/src/main.rs
@@ -94,8 +94,10 @@ fn repl(no_prelude: bool, debug: bool, quiet: bool) -> Result<()> {
     // let mut interpreter = Interpreter::new(vec![], no_prelude, quiet)?;
 
     let mut rl = Editor::<()>::new();
+    let mut i = 0;
 
     loop {
+        i += 1;
         let line = rl.readline("orion> ");
 
         match line {
@@ -105,7 +107,7 @@ fn repl(no_prelude: bool, debug: bool, quiet: bool) -> Result<()> {
                     return Ok(());
                 }
 
-                let tokens = match Lexer::new(line.trim(), "REPL").proc_tokens() {
+                let tokens = match Lexer::new(line.trim(), "REPL").line(i).proc_tokens() {
                     Ok(t) => t,
                     Err(e) => {
                         print_err(e);