mirror of https://github.com/azur1s/bobbylisp.git
60 lines
2.2 KiB
Rust
60 lines
2.2 KiB
Rust
#![feature(trait_alias)]
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pub mod read;
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pub mod trans;
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use read::parse::{lex, parse};
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use trans::low::{translate_expr, translate_js};
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fn main() {
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let path = std::env::args().nth(1).expect("No file path provided");
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let src = std::fs::read_to_string(path).expect("Failed to read file");
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let (tokens, lex_errs) = lex(src.to_owned());
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let parse_errs = if let Some(tokens) = tokens {
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let (ast, parse_errs) = parse(tokens, src.len());
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if let Some(ast) = ast {
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println!();
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println!("\x1b[90m───SOURCE─────────────────────────────────────────\x1b[0m");
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println!("{src}");
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println!("\x1b[90m───PARSE TREE─────────────────────────────────────\x1b[0m");
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for (e, _) in &ast {
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println!("{}", {
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let e = format!("{:?}", e);
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if e.len() > 50 {
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format!("{}...", &e[..47])
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} else {
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e
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}
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});
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}
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println!("\x1b[90m───INTERNAL AST───────────────────────────────────\x1b[0m");
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let nexprs = ast.into_iter().map(|(e, _)| translate_expr(e)).collect::<Vec<_>>();
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for expr in &nexprs {
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println!("{}", expr);
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}
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println!("\x1b[90m───JS OUTPUT──────────────────────────────────────\x1b[0m");
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let jsexprs = nexprs.into_iter().map(translate_js).collect::<Vec<_>>();
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for expr in &jsexprs {
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println!("{}", expr);
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}
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println!();
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}
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parse_errs
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} else {
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Vec::new()
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};
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if !lex_errs.is_empty() || !parse_errs.is_empty() {
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lex_errs
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.into_iter()
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.map(|e| e.map(|c| c.to_string()))
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.chain(parse_errs.into_iter().map(|e| e.map(|t| t.to_string())))
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.for_each(|e| println!("{}", e));
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}
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}
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