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src/fern.rs

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+pub mod prelude;
+pub mod libsh;
+pub mod prompt;
+pub mod procio;
+pub mod parse;
+pub mod expand;
+pub mod state;
+#[cfg(test)]
+pub mod tests;
+
+use std::process::exit;
+
+use parse::{execute::{get_pipe_stack, Dispatcher}, lex::{LexFlags, LexStream}, ParseResult, ParseStream};
+use state::write_vars;
+
+fn main() {
+	loop {
+		let input = prompt::read_line().unwrap();
+		if input == "quit" { break };
+		write_vars(|v| v.new_var("foo", "bar"));
+
+		let mut tokens = vec![];
+		for token in LexStream::new(&input, LexFlags::empty()) {
+			if token.is_err() {
+				let error = format!("{:?}: {}",token.err,token.err_span.unwrap().as_str());
+				panic!("{error}");
+			}
+			tokens.push(token);
+		}
+
+		let mut nodes = vec![];
+		for result in ParseStream::new(tokens) {
+			match result {
+				ParseResult::Error(e) => panic!("{}",e),
+				ParseResult::Match(node) => nodes.push(node),
+				_ => unreachable!()
+			}
+		}
+
+		let mut dispatcher = Dispatcher::new(nodes);
+		dispatcher.begin_dispatch().unwrap();
+	}
+}