initial implementation of multipass code fixer

1 files changed, 28 insertions, 5 deletions

diff --git a/bin/src/main.rs b/bin/src/main.rs
index 161dcab..4cd525a 100644
--- a/bin/src/main.rs
+++ b/bin/src/main.rs
@@ -1,27 +1,50 @@
 mod config;
 mod err;
+mod fix;
 mod lint;
 mod traits;
 
 use std::io;
 
-use crate::{err::StatixErr, traits::WriteDiagnostic};
+use crate::{
+    err::{FixErr, StatixErr},
+    traits::WriteDiagnostic,
+};
 
 use clap::Clap;
-use config::{LintConfig, Opts, SubCommand};
+use config::{FixConfig, LintConfig, Opts, SubCommand};
+use similar::TextDiff;
 
 fn _main() -> Result<(), StatixErr> {
     let opts = Opts::parse();
     match opts.subcmd {
         Some(SubCommand::Fix(_)) => {
-            eprintln!("`fix` not yet supported");
+            let fix_config = FixConfig::from_opts(opts)?;
+            let vfs = fix_config.vfs()?;
+            for entry in vfs.iter() {
+                match fix::fix(entry.contents) {
+                    Ok(fix_result) => {
+                        let text_diff = TextDiff::from_lines(entry.contents, &fix_result.src);
+                        let old_file = format!("{}", entry.file_path.display());
+                        let new_file = format!("{} [fixed]", entry.file_path.display());
+                        println!(
+                            "{}",
+                            text_diff
+                                .unified_diff()
+                                .context_radius(4)
+                                .header(&old_file, &new_file)
+                        );
+                    }
+                    Err(e) => eprintln!("{}", FixErr::Parse(entry.file_path.to_path_buf(), e)),
+                }
+            }
         }
         None => {
             let lint_config = LintConfig::from_opts(opts)?;
             let vfs = lint_config.vfs()?;
-            let (reports, errors): (Vec<_>, Vec<_>) =
+            let (lints, errors): (Vec<_>, Vec<_>) =
                 vfs.iter().map(lint::lint).partition(Result::is_ok);
-            let lint_results = reports.into_iter().map(Result::unwrap);
+            let lint_results = lints.into_iter().map(Result::unwrap);
             let errors = errors.into_iter().map(Result::unwrap_err);
 
             let mut stderr = io::stderr();