add option -r for forced repl

matrix-bin/src/main.rs

@@ -1,4 +1,4 @@
-use std::{path::PathBuf, io::{self, Read, IsTerminal}, cell::RefCell, rc::Rc};
+use std::{cell::RefCell, io::{self, IsTerminal, Read}, path::PathBuf, rc::Rc};
 use clap::{Parser as ArgParser, ColorChoice};
 use matrix_lang::prelude::*;
 use repl::Repl;
@@ -24,6 +24,10 @@ pub struct Args {
     #[arg(short, long)]
     debug: bool,
 
+    /// Force repl after running a file
+    #[arg(short, long)]
+    repl: bool,
+
     /// Choses color
     #[arg(long)]
     color: Option<ColorChoice>,
@@ -44,6 +48,7 @@ pub struct State<'a> {
     compiler: Compiler<'a>,
     vm: Rc<RefCell<Vm>>,
     color: bool,
+    repl: bool,
 }
 
 pub fn error(err: Exception, state: &State) {
@@ -83,10 +88,10 @@ impl<'a> State<'a> {
                 }
             };
             mode = Mode::Compile(buffer, path);
-            repl = false;
+            repl = args.repl;
         } else if buffer.len() > 0 {
             mode = Mode::Execute(buffer);
-            repl = false;
+            repl = args.repl;
         } else {
             mode = Mode::Repl;
             repl = true;
@@ -118,6 +123,7 @@ impl<'a> State<'a> {
             vm: Rc::new(RefCell::new(vm)),
             compiler,
             color,
+            repl,
         }, mode))
     }
 
@@ -156,6 +162,7 @@ fn handle_mode(state: &mut State, mode: Mode) -> Result<()> {
         Mode::Repl => {
             let mut repl = Repl::new(state);
             repl.run()?;
+            state.repl = false;
         },
         Mode::Execute(buffer) => {
             let fun = state.load_program(buffer)?;
@@ -170,6 +177,12 @@ fn handle_mode(state: &mut State, mode: Mode) -> Result<()> {
             Program::save(fun, &mut file)?;
         }
     };
+
+    if state.repl {
+        let mut repl = Repl::new(state);
+        repl.run()?;
+    }
+
     Ok(())
 }
 

test.mat

@@ -1,8 +0,0 @@
-let a = 3
-{
-	a = 4;
-	const bees = \a => a*2;
-	let j = bees(3);
-	a = j;
-}
-let g = a + 'aaaa';