feat(xatu): add lint architecture

src/xatu/xatu.rs

@@ -1,14 +1,29 @@
-use std::path::PathBuf;
+mod ast;
+mod file_store;
+mod parser;
+mod rules;
+
+pub use file_store::{FileId, FileStore, SourceFile};
 
 pub fn run(files: Vec<SourceFile>) -> status::Result<()> {
+    let mut store = FileStore::default();
+
     for file in files {
-        println!("{}", file.path.display());
+        let file_id = store.add(file);
+        let file = store.get(file_id);
+        let parsed = parser::parse_file(file_id, &file.source);
+
+        for diagnostic in rules::run_rules(&parsed) {
+            println!(
+                "{}:{}..{}: {}: {}",
+                file.path.display(),
+                diagnostic.finding.range.start,
+                diagnostic.finding.range.end,
+                diagnostic.finding.rule_id,
+                diagnostic.finding.message,
+            );
+        }
     }
+
     Ok(())
 }
-
-#[derive(Debug)]
-pub struct SourceFile {
-    pub path: PathBuf,
-    pub source: String,
-}