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#![feature(path_try_exists)]
mod config;
mod err;
mod traits;
use std::io;
use crate::{
err::{LintErr, StatixErr},
traits::{LintResult, WriteDiagnostic},
};
use clap::Clap;
use config::{LintConfig, Opts, SubCommand};
use lib::LINTS;
use rnix::WalkEvent;
use vfs::VfsEntry;
fn analyze<'ρ>(vfs_entry: VfsEntry<'ρ>) -> Result<LintResult, LintErr> {
let source = vfs_entry.contents;
let parsed = rnix::parse(source)
.as_result()
.map_err(|e| LintErr::Parse(vfs_entry.file_path.to_path_buf(), e))?;
let reports = parsed
.node()
.preorder_with_tokens()
.filter_map(|event| match event {
WalkEvent::Enter(child) => LINTS.get(&child.kind()).map(|rules| {
rules
.iter()
.filter_map(|rule| rule.validate(&child))
.collect::<Vec<_>>()
}),
_ => None,
})
.flatten()
.collect();
Ok(LintResult {
file_id: vfs_entry.file_id,
reports,
})
}
fn _main() -> Result<(), StatixErr> {
// TODO: accept cli args, construct a CLI config with a list of files to analyze
let opts = Opts::parse();
match opts.subcmd {
Some(SubCommand::Fix(_)) => {}
None => {
let lint_config = LintConfig::from_opts(opts)?;
let vfs = lint_config.vfs()?;
let (reports, errors): (Vec<_>, Vec<_>) =
vfs.iter().map(analyze).partition(Result::is_ok);
let lint_results: Vec<_> = reports.into_iter().map(Result::unwrap).collect();
let errors: Vec<_> = errors.into_iter().map(Result::unwrap_err).collect();
let mut stderr = io::stderr();
lint_results.into_iter().for_each(|r| {
stderr.write(&r, &vfs).unwrap();
});
errors.into_iter().for_each(|e| {
eprintln!("{}", e);
});
}
}
Ok(())
}
fn main() {
match _main() {
Err(e) => eprintln!("{}", e),
_ => (),
}
}
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