Add code generation

1 files changed, 22 insertions, 0 deletions

diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..9eb762a
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,22 @@
+use chomp::{
+    ast::{
+        convert::{Context, Convert},
+        typed::Type,
+    },
+    nibble::Expression,
+};
+use proc_macro2::Span;
+use std::io::{self, Error, ErrorKind, Read, Write};
+use syn::Ident;
+
+fn main() -> io::Result<()> {
+    let mut input = String::new();
+    io::stdin().read_to_string(&mut input)?;
+    let nibble: Expression =
+        syn::parse_str(&input).map_err(|e| Error::new(ErrorKind::InvalidData, e))?;
+    let term = nibble.convert(&Context::new());
+    // FIXME: better error handling here
+    let typed = term.well_typed(&mut Vec::new()).unwrap();
+    let code = typed.emit_code(Ident::new("Ast", Span::call_site()));
+    write!(io::stdout(), "{:#}", code)
+}