added some documentation and started on compiler for custom language (not C) based on previous prototypes. pretty broken state rn.

compiler/src/main.rs

@@ -1,7 +1,12 @@
+#![feature(try_trait_v2)]
+
 use std::{fs, path::Path};
 
 pub mod lexer;
-pub mod parser;
+pub mod parserprototype;
+use parserprototype::Parser;
+
+use crate::parserprototype::ParseResult;
 
 fn main() {
     println!("Hello, world!");
@@ -13,13 +18,16 @@ fn main() {
     let tokens = lexer.collect::<Vec<_>>();
     println!("{tokens:?}");
 
-    let mut parser = parser::Parser::new(tokens);
+    let mut parser = Parser::new(tokens);
     let ast = match parser.parse() {
-        Ok(ast) => ast,
-        Err(e) => {
+        ParseResult::Accept(ast) => ast,
+        ParseResult::Reject(e) => {
             eprintln!("Error: {e:?}");
             return;
         }
+        ParseResult::Deny => {
+            panic!("Parser denied parsing")
+        }
     };
     println!("{ast:?}");
 }