1 files changed, 158 insertions, 0 deletions
diff --git a/mingling_cli/src/linter/cmd_lint.rs b/mingling_cli/src/linter/cmd_lint.rs
new file mode 100644
index 0000000..38f2973
--- /dev/null
+++ b/mingling_cli/src/linter/cmd_lint.rs
@@ -0,0 +1,158 @@
+use crate::linter::mlint_report::{MlintReport, StateLintReports};
+use cargo_metadata::Metadata;
+use mingling::consts::REMAINS;
+use mingling::macros::{arg, chain, completion, dispatcher, metadata, pack, suggest};
+use mingling::metadata::Description;
+use mingling::picker::parselib::ParserStyle;
+use mingling::picker::{EntryPicker, PickerArg};
+use mingling::{LazyRes, ShellContext, Suggest};
+use tokio::task::JoinSet;
+
+dispatcher!("lint", CMDLint => EntryLint);
+
+const ARG_WITH_CHECKER: PickerArg<Option<String>> = arg![with_checker: Option<String>];
+
+#[metadata(EntryLint)]
+pub fn desc_lint() -> Description {
+    "Mingling Linter".to_string().into()
+}
+
+/// Main linting function that processes all packages in the metadata.
+///
+/// Iterates through all packages and their targets (e.g., binaries, libraries, tests),
+/// reads Rust source files (`.rs`), parses them into ASTs, runs lint checks,
+/// and enriches each report with metadata information.
+async fn linter_main(metadata: &Metadata) -> Vec<MlintReport> {
+    let mut join_set = JoinSet::new();
+
+    for package in &metadata.packages {
+        for target in &package.targets {
+            let path = &target.src_path;
+            // Only process Rust source files (with `.rs` extension)
+            if !path.as_str().ends_with(".rs") {
+                continue;
+            }
+
+            // Clone/move all data needed inside the blocking closure
+            let path_str = path.as_str().to_string();
+            let package_id = package.id.to_string();
+            let target_name = target.name.clone();
+            let target_kind = target.kind.first().map(|k| k.to_string());
+
+            join_set.spawn_blocking(move || {
+                // Read the source file content
+                let source = std::fs::read_to_string(&path_str).ok()?;
+                // Parse the source file into an AST
+                let ast = syn::parse_file(&source).ok()?;
+                // Run all lint checks and collect reports
+                let reports = crate::lints::run_all_lints(&ast, &source);
+
+                // Enrich each report with metadata information
+                let enriched: Vec<MlintReport> = reports
+                    .into_iter()
+                    .map(|mut r| {
+                        r.file_name = path_str.clone();
+                        r.source_code = source.clone();
+                        r.package_id = Some(package_id.clone());
+                        r.target_name = Some(target_name.clone());
+                        r.target_kind = target_kind.clone();
+                        r.target_src_path = Some(path_str.clone());
+                        r
+                    })
+                    .collect();
+
+                Some(enriched)
+            });
+        }
+    }
+
+    let mut all_reports = Vec::new();
+    while let Some(res) = join_set.join_next().await {
+        // `spawn_blocking` panics are propagated, `None` means task skipped (read/parse failure)
+        if let Ok(Some(reports)) = res {
+            all_reports.extend(reports);
+        }
+    }
+
+    all_reports
+}
+
+pack!(StateBeginLinter = ());
+
+#[chain]
+pub fn handle_lint(args: EntryLint) -> StateBeginLinter {
+    let (with_checker, checker_args) = args
+        .pick_or(&ARG_WITH_CHECKER, || Some("cargo,check".to_string()))
+        .pick(&REMAINS)
+        .unwrap();
+
+    // If with_checker is not set, proceed directly to the mingling lint phase
+    let Some(with_checker) = with_checker else {
+        return StateBeginLinter::new(());
+    };
+
+    let with_checker: Vec<&str> = with_checker.split(',').collect();
+    let checker_args: Vec<String> = checker_args.into();
+
+    // Run the outer checker (e.g. cargo check) with output passed through directly
+    execute_checker(&with_checker, checker_args.as_slice());
+
+    StateBeginLinter::new(())
+}
+
+/// Run the outer checker (e.g. cargo check) with output passed through directly.
+fn execute_checker(with_checker: &[&str], checker_args: &[String]) {
+    if with_checker.is_empty() {
+        return;
+    }
+
+    let checker_str = with_checker.join(" ");
+    let args_str = checker_args.join(" ");
+    let full_cmd = if args_str.is_empty() {
+        checker_str
+    } else {
+        format!("{} {}", checker_str, args_str)
+    };
+
+    let mut cmd = if cfg!(target_os = "windows") {
+        let mut c = std::process::Command::new("cmd");
+        c.args(["/C", &full_cmd]);
+        c
+    } else {
+        let mut c = std::process::Command::new("sh");
+        c.args(["-c", &full_cmd]);
+        c
+    };
+
+    // Pass through stdin/stdout/stderr so the user sees everything
+    let _ = cmd.status();
+}
+
+#[chain]
+pub async fn handle_state_begin_linter(
+    _: StateBeginLinter,
+    metadata: &mut LazyRes<crate::metadata::setup::ResMetadata>,
+) -> StateLintReports {
+    let metadata = metadata.get_ref().data();
+    let reports = linter_main(metadata).await;
+    StateLintReports::new(reports)
+}
+
+#[completion(EntryLint)]
+pub fn complete_lint(ctx: &ShellContext) -> Suggest {
+    if mingling::picker::parselib::build_possible_flags(
+        ParserStyle::global_style(),
+        &ARG_WITH_CHECKER.into_info(),
+    )
+    .contains(&ctx.previous_word)
+    {
+        suggest! {
+            "cargo,check": "Also run `cargo check` for checking",
+            "cargo,clippy": "Also run `cargo clippy` for checking",
+        }
+    } else {
+        suggest! {
+            ARG_WITH_CHECKER: "Comma-separated Rust Analyzer-compatible checkers to also run, e.g. `cargo,check`"
+        }
+    }
+}