initial commit

src/main.rs

@@ -0,0 +1,9 @@
+use std::io;
+
+mod parser;
+
+fn main() -> Result<(), io::Error> {
+    let file = std::fs::read_to_string("test.asm")?;
+    parser::run(&file);
+    Ok(())
+}

src/parser.rs

@@ -0,0 +1,48 @@
+use dbg_pls::DebugPls;
+use logos::{Lexer, Logos};
+
+#[derive(Debug, Clone, PartialEq, Eq, Logos, DebugPls)]
+pub enum Token<'a> {
+    #[token("mov")]
+    Mov,
+    #[token("jmp")]
+    Jmp,
+    #[token("je")]
+    Je,
+    #[token("cmp")]
+    Cmp,
+    #[token("add")]
+    Add,
+    #[token("sub")]
+    Sub,
+    #[token("mul")]
+    Mul,
+    #[token("div")]
+    Div,
+    #[token("[")]
+    BracketOpen,
+    #[token("]")]
+    BracketClose,
+    #[token(",")]
+    Comma,
+    #[regex(r"\w+:")]
+    Label(&'a str),
+    #[regex(r"[0-9]+", |lex| lex.slice().parse::<u64>())]
+    Number(u64),
+    #[regex(r"[a-zA-Z]\w+")]
+    Word(&'a str),
+
+    #[regex(r"[ \t\n\f]+", logos::skip)]
+    #[regex("//[^\n]*", logos::skip)]
+    #[error]
+    Error,
+}
+
+pub fn lex(src: &str) -> Lexer<'_, Token<'_>> {
+    <Token as Logos>::lexer(src)
+}
+
+pub fn run(src: &str) {
+    let tokens = lex(src).collect::<Vec<_>>();
+    dbg_pls::color!(tokens);
+}