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feat(argus-parser): complete the syntax parser

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Anand Balakrishnan 2023-10-03 11:05:08 -07:00
parent 3adf2ff723
commit 17042a2544
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4 changed files with 101 additions and 88 deletions
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54
argus-parser/src/main.rs
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@ -1,54 +0,0 @@
use std::{env, fs};
use argus_parser::lexer;
// use crate::parser::{parser, Error as ParseError};
use ariadne::{sources, Color, Label, Report, ReportKind};
use chumsky::Parser;
fn main() {
let src = env::args().nth(1).expect("Expected expression");
let (tokens, mut errs) = lexer().parse(src.as_str()).into_output_errors();
println!("*** Outputting tokens ***");
if let Some(tokens) = &tokens {
for token in tokens {
println!("-> {:?}", token);
}
}
let parse_errs = if let Some(tokens) = &tokens {
let (ast, parse_errs) = parser()
.map_with_span(|ast, span| (ast, span))
.parse(tokens.as_slice().spanned((src.len()..src.len()).into()))
.into_output_errors();
println!("*** Outputting tokens ***");
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, src.clone(), e.span().start)
.with_message(e.to_string())
.with_label(
Label::new((src.clone(), e.span().into_range()))
.with_message(e.reason().to_string())
.with_color(Color::Red),
)
.with_labels(e.contexts().map(|(label, span)| {
Label::new((src.clone(), span.into_range()))
.with_message(format!("while parsing this {}", label))
.with_color(Color::Yellow)
}))
.finish()
.print(sources([(src.clone(), src.clone())]))
.unwrap()
});
}