Simplify

crates/ra_cli/src/analysis_stats.rs

@@ -109,7 +109,7 @@ pub fn run(
         }
         let body = f.body(db);
         let inference_result = f.infer(db);
-        for (expr_id, _) in body.exprs() {
+        for (expr_id, _) in body.exprs.iter() {
             let ty = &inference_result[expr_id];
             num_exprs += 1;
             if let Ty::Unknown = ty {

crates/ra_hir/src/expr.rs

@@ -44,15 +44,15 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
     pub(crate) fn validate_body(&mut self, db: &impl HirDatabase) {
         let body = self.func.body(db);
 
-        for e in body.exprs() {
+        for e in body.exprs.iter() {
             if let (id, Expr::RecordLit { path, fields, spread }) = e {
                 self.validate_record_literal(id, path, fields, *spread, db);
             }
         }
 
-        let body_expr = &body[body.body_expr()];
+        let body_expr = &body[body.body_expr];
         if let Expr::Block { statements: _, tail: Some(t) } = body_expr {
-            self.validate_results_in_tail_expr(body.body_expr(), *t, db);
+            self.validate_results_in_tail_expr(body.body_expr, *t, db);
         }
     }
 

crates/ra_hir/src/test_db.rs

@@ -80,7 +80,7 @@ impl TestDB {
         let crate_graph = self.crate_graph();
         for krate in crate_graph.iter().next() {
             let crate_def_map = self.crate_def_map(krate);
-            for module_id in crate_def_map.modules() {
+            for (module_id, _) in crate_def_map.modules.iter() {
                 let module_id = ModuleId { krate, module_id };
                 let module = crate::Module::from(module_id);
                 module.diagnostics(

crates/ra_hir/src/ty/infer.rs

@@ -565,7 +565,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
 
     fn collect_fn(&mut self, data: &FunctionData) {
         let body = Arc::clone(&self.body); // avoid borrow checker problem
-        for (type_ref, pat) in data.params.iter().zip(body.params()) {
+        for (type_ref, pat) in data.params.iter().zip(body.params.iter()) {
             let ty = self.make_ty(type_ref);
 
             self.infer_pat(*pat, &ty, BindingMode::default());
@@ -574,7 +574,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
     }
 
     fn infer_body(&mut self) {
-        self.infer_expr(self.body.body_expr(), &Expectation::has_type(self.return_ty.clone()));
+        self.infer_expr(self.body.body_expr, &Expectation::has_type(self.return_ty.clone()));
     }
 
     fn resolve_into_iter_item(&self) -> Option<TypeAlias> {

crates/ra_hir_def/src/body.rs

@@ -20,7 +20,7 @@ use crate::{
     DefWithBodyId, HasModule, HasSource, Lookup, ModuleId,
 };
 
-pub struct Expander {
+struct Expander {
     crate_def_map: Arc<CrateDefMap>,
     current_file_id: HirFileId,
     hygiene: Hygiene,
@@ -28,7 +28,7 @@ pub struct Expander {
 }
 
 impl Expander {
-    pub fn new(db: &impl DefDatabase, current_file_id: HirFileId, module: ModuleId) -> Expander {
+    fn new(db: &impl DefDatabase, current_file_id: HirFileId, module: ModuleId) -> Expander {
         let crate_def_map = db.crate_def_map(module.krate);
         let hygiene = Hygiene::new(db, current_file_id);
         Expander { crate_def_map, current_file_id, hygiene, module }
@@ -101,17 +101,17 @@ impl Drop for Mark {
 /// The body of an item (function, const etc.).
 #[derive(Debug, Eq, PartialEq)]
 pub struct Body {
-    exprs: Arena<ExprId, Expr>,
+    pub exprs: Arena<ExprId, Expr>,
-    pats: Arena<PatId, Pat>,
+    pub pats: Arena<PatId, Pat>,
     /// The patterns for the function's parameters. While the parameter types are
     /// part of the function signature, the patterns are not (they don't change
     /// the external type of the function).
     ///
     /// If this `Body` is for the body of a constant, this will just be
     /// empty.
-    params: Vec<PatId>,
+    pub params: Vec<PatId>,
     /// The `ExprId` of the actual body expression.
-    body_expr: ExprId,
+    pub body_expr: ExprId,
 }
 
 pub type ExprPtr = Either<AstPtr<ast::Expr>, AstPtr<ast::RecordField>>;
@@ -182,22 +182,6 @@ impl Body {
     ) -> (Body, BodySourceMap) {
         lower::lower(db, expander, params, body)
     }
-
-    pub fn params(&self) -> &[PatId] {
-        &self.params
-    }
-
-    pub fn body_expr(&self) -> ExprId {
-        self.body_expr
-    }
-
-    pub fn exprs(&self) -> impl Iterator<Item = (ExprId, &Expr)> {
-        self.exprs.iter()
-    }
-
-    pub fn pats(&self) -> impl Iterator<Item = (PatId, &Pat)> {
-        self.pats.iter()
-    }
 }
 
 impl Index<ExprId> for Body {

crates/ra_hir_def/src/body/scope.rs

@@ -54,8 +54,8 @@ impl ExprScopes {
         let mut scopes =
             ExprScopes { scopes: Arena::default(), scope_by_expr: FxHashMap::default() };
         let root = scopes.root_scope();
-        scopes.add_params_bindings(body, root, body.params());
+        scopes.add_params_bindings(body, root, &body.params);
-        compute_expr_scopes(body.body_expr(), body, &mut scopes, root);
+        compute_expr_scopes(body.body_expr, body, &mut scopes, root);
         scopes
     }
 

crates/ra_hir_def/src/nameres.rs

@@ -81,13 +81,13 @@ use crate::{
 #[derive(Debug, PartialEq, Eq)]
 pub struct CrateDefMap {
     pub root: LocalModuleId,
+    pub modules: Arena<LocalModuleId, ModuleData>,
     pub(crate) krate: CrateId,
     /// The prelude module for this crate. This either comes from an import
     /// marked with the `prelude_import` attribute, or (in the normal case) from
     /// a dependency (`std` or `core`).
     pub(crate) prelude: Option<ModuleId>,
     pub(crate) extern_prelude: FxHashMap<Name, ModuleDefId>,
-    pub(crate) modules: Arena<LocalModuleId, ModuleData>,
 
     edition: Edition,
     diagnostics: Vec<DefDiagnostic>,

crates/ra_hir_def/src/nameres/tests.rs

@@ -25,7 +25,7 @@ fn compute_crate_def_map(fixture: &str) -> Arc<CrateDefMap> {
 
 fn render_crate_def_map(map: &CrateDefMap) -> String {
     let mut buf = String::new();
-    go(&mut buf, map, "\ncrate", map.root());
+    go(&mut buf, map, "\ncrate", map.root);
     return buf.trim().to_string();
 
     fn go(buf: &mut String, map: &CrateDefMap, path: &str, module: LocalModuleId) {