bobbylisp/src/main.rs

61 lines
1.9 KiB
Rust

use ariadne::{sources, Color, Label, Report, ReportKind};
use chumsky::{Parser, prelude::Input};
use self::{parse::parser::{lexer, exprs_parser}};
pub mod parse;
pub mod typing;
fn main() {
let src = "
{
let foo =
let a = true in
let b = false in
a + b;
foo * 2
}
".to_string();
let filename = "?".to_string();
let (ts, errs) = lexer().parse(&src).into_output_errors();
let parse_errs = if let Some(tokens) = &ts {
let (ast, parse_errs) = exprs_parser()
.map_with_span(|ast, span| (ast, span))
.parse(tokens.as_slice().spanned((src.len()..src.len()).into()))
.into_output_errors();
if let Some(ast) = ast.filter(|_| errs.len() + parse_errs.len() == 0) {
println!("{:?}", ast);
}
parse_errs
} else {
Vec::new()
};
errs.into_iter()
.map(|e| e.map_token(|c| c.to_string()))
.chain(
parse_errs
.into_iter()
.map(|e| e.map_token(|tok| tok.to_string())),
)
.for_each(|e| {
Report::build(ReportKind::Error, filename.clone(), e.span().start)
.with_message(e.to_string())
.with_label(
Label::new((filename.clone(), e.span().into_range()))
.with_message(e.reason().to_string())
.with_color(Color::Red),
)
// .with_labels(e.contexts().map(|(label, span)| {
// Label::new((filename.clone(), span.into_range()))
// .with_message(format!("while parsing this {}", label))
// .with_color(Color::Yellow)
// }))
.finish()
.print(sources([(filename.clone(), src.clone())]))
.unwrap()
});
}