1 files changed, 34 insertions, 0 deletions
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..950329b
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,34 @@
+use std::io;
+use std::io::Write;
+
+mod cexpr;
+mod sexpr;
+
+pub use cexpr::{CExpr, CNumber};
+pub use sexpr::{sexpr_parse_file, SExpr};
+
+pub fn repl(_verbose: bool) {
+    let stdin = io::stdin();
+    let mut stdout = io::stdout();
+
+    loop {
+        let raw_input = &mut String::new();
+        stdout.write(b"\ncasual> ").unwrap();
+        stdout.flush().unwrap();
+        stdin.read_line(raw_input).unwrap();
+        let raw_input = raw_input; // mutable to immutable reference
+        if raw_input.len() == 0 {
+            // end-of-line, aka Ctrl-D. Blank line will still have newline char
+            stdout.write(b"\nCiao!\n").unwrap();
+            return;
+        }
+        let expr = match CExpr::from_str(&raw_input) {
+            Ok(expr) => expr,
+            Err(e) => {
+                println!("error: {}", e);
+                continue;
+            }
+        };
+        println!("{}", expr);
+    }
+}