fiddling with a parser

src/main.rs

@@ -10,6 +10,8 @@ extern crate nalgebra as na;
 extern crate rand;
 extern crate specs;
 extern crate time;
+#[macro_use]
+extern crate nom;
 
 use std::path::Path;
 use std::sync::Arc;
@@ -57,6 +59,7 @@ pub mod canvas;
 pub mod render_system;
 pub mod compu_system;
 pub mod event_system;
+pub mod parser;
 
 #[derive(Default)]
 pub struct PersistentState {
@@ -72,61 +75,26 @@ struct TrSprite {
 }
 
 
+use std::fs;
+use nom::sequence::{preceded, tuple};
+use nom::bytes::complete::{take_while1, tag, take_while_m_n};
+use nom::character::complete::line_ending;
+use nom::error::ErrorKind;
+use nom::combinator::map_res;
+use nom::IResult;
+use crate::parser::parser::{Color, hex_color, parse_script};
 
-use logos::Logos;
-
-#[derive(Logos, Debug, PartialEq)]
-enum Token {
-    // Tokens can be literal strings, of any length.
-    #[token("fast")]
-    Fast,
-
-    #[token(".")]
-    Period,
-
-    // Or regular expressions.
-    #[regex("[a-zA-Z]+")]
-    Text,
-
-    // Logos requires one token variant to handle errors,
-    // it can be named anything you wish.
-    #[error]
-    // We can also use this variant to define whitespace,
-    // or any other matches we wish to skip.
-    #[regex(r"[ \t\n\f]+", logos::skip)]
-    Error,
-}
 
 pub fn main() {
 
     //https://dylanede.github.io/cassowary-rs/cassowary/index.html
 
-    let mut lex = Token::lexer("Create ridiculously fast Lexers.");
-
-    assert_eq!(lex.next(), Some(Token::Text));
-    assert_eq!(lex.span(), 0..6);
-    assert_eq!(lex.slice(), "Create");
-
-    assert_eq!(lex.next(), Some(Token::Text));
-    assert_eq!(lex.span(), 7..19);
-    assert_eq!(lex.slice(), "ridiculously");
-
-    assert_eq!(lex.next(), Some(Token::Fast));
-    assert_eq!(lex.span(), 20..24);
-    assert_eq!(lex.slice(), "fast");
-
-    assert_eq!(lex.next(), Some(Token::Text));
-    assert_eq!(lex.span(), 25..31);
-    assert_eq!(lex.slice(), "Lexers");
-
-    assert_eq!(lex.next(), Some(Token::Period));
-    assert_eq!(lex.span(), 31..32);
-    assert_eq!(lex.slice(), ".");
-
-    assert_eq!(lex.next(), None);
+    let input_string = fs::read_to_string("./resources/scripts/scratch").unwrap();
 
+    parse_script::<(&str, ErrorKind)>(&input_string);
 
 
+    return;
 
     //hprof::start_frame();
     //let g = hprof::enter("vulkan preload");