From 29e83988be5be6d2bc4d869f00f4bf931b1500fa Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 10 Oct 2019 17:48:30 +0300
Subject: don't special case macro_use

---
 crates/ra_hir/src/attr.rs              |  1 +
 crates/ra_hir/src/nameres/collector.rs | 13 +++++++++----
 crates/ra_hir/src/nameres/raw.rs       | 22 +++-------------------
 3 files changed, 13 insertions(+), 23 deletions(-)

(limited to 'crates')

diff --git a/crates/ra_hir/src/attr.rs b/crates/ra_hir/src/attr.rs
index a0a74ab8c..bd159a566 100644
--- a/crates/ra_hir/src/attr.rs
+++ b/crates/ra_hir/src/attr.rs
@@ -63,6 +63,7 @@ impl Attr {
         self.path.as_ident().map_or(false, |s| s.to_string() == name)
     }
 
+    // FIXME: handle cfg_attr :-)
     pub(crate) fn as_cfg(&self) -> Option<&Subtree> {
         if !self.is_simple_atom("cfg") {
             return None;
diff --git a/crates/ra_hir/src/nameres/collector.rs b/crates/ra_hir/src/nameres/collector.rs
index 54514becc..aa5885f04 100644
--- a/crates/ra_hir/src/nameres/collector.rs
+++ b/crates/ra_hir/src/nameres/collector.rs
@@ -562,9 +562,10 @@ where
 
     fn collect_module(&mut self, module: &raw::ModuleData, attrs: &[Attr]) {
         let path_attr = self.path_attr(attrs);
+        let is_macro_use = self.is_macro_use(attrs);
         match module {
             // inline module, just recurse
-            raw::ModuleData::Definition { name, items, ast_id, is_macro_use } => {
+            raw::ModuleData::Definition { name, items, ast_id } => {
                 let module_id =
                     self.push_child_module(name.clone(), ast_id.with_file_id(self.file_id), None);
 
@@ -576,12 +577,12 @@ where
                     mod_dir: self.mod_dir.descend_into_definition(name, path_attr),
                 }
                 .collect(&*items);
-                if *is_macro_use {
+                if is_macro_use {
                     self.import_all_legacy_macros(module_id);
                 }
             }
             // out of line module, resolve, parse and recurse
-            raw::ModuleData::Declaration { name, ast_id, is_macro_use } => {
+            raw::ModuleData::Declaration { name, ast_id } => {
                 let ast_id = ast_id.with_file_id(self.file_id);
                 match self.mod_dir.resolve_submodule(
                     self.def_collector.db,
@@ -600,7 +601,7 @@ where
                             mod_dir,
                         }
                         .collect(raw_items.items());
-                        if *is_macro_use {
+                        if is_macro_use {
                             self.import_all_legacy_macros(module_id);
                         }
                     }
@@ -720,6 +721,10 @@ where
     fn path_attr<'a>(&self, attrs: &'a [Attr]) -> Option<&'a SmolStr> {
         attrs.iter().find_map(|attr| attr.as_path())
     }
+
+    fn is_macro_use<'a>(&self, attrs: &'a [Attr]) -> bool {
+        attrs.iter().any(|attr| attr.is_simple_atom("macro_use"))
+    }
 }
 
 fn is_macro_rules(path: &Path) -> bool {
diff --git a/crates/ra_hir/src/nameres/raw.rs b/crates/ra_hir/src/nameres/raw.rs
index 469fd8ea7..57f2929c3 100644
--- a/crates/ra_hir/src/nameres/raw.rs
+++ b/crates/ra_hir/src/nameres/raw.rs
@@ -149,17 +149,8 @@ impl_arena_id!(Module);
 
 #[derive(Debug, PartialEq, Eq)]
 pub(super) enum ModuleData {
-    Declaration {
-        name: Name,
-        ast_id: FileAstId<ast::Module>,
-        is_macro_use: bool,
-    },
-    Definition {
-        name: Name,
-        ast_id: FileAstId<ast::Module>,
-        items: Vec<RawItem>,
-        is_macro_use: bool,
-    },
+    Declaration { name: Name, ast_id: FileAstId<ast::Module> },
+    Definition { name: Name, ast_id: FileAstId<ast::Module>, items: Vec<RawItem> },
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
@@ -290,14 +281,8 @@ impl<DB: AstDatabase> RawItemsCollector<&DB> {
         let attrs = self.parse_attrs(&module);
 
         let ast_id = self.source_ast_id_map.ast_id(&module);
-        // FIXME: cfg_attr
-        let is_macro_use = module.has_atom_attr("macro_use");
         if module.has_semi() {
-            let item = self.raw_items.modules.alloc(ModuleData::Declaration {
-                name,
-                ast_id,
-                is_macro_use,
-            });
+            let item = self.raw_items.modules.alloc(ModuleData::Declaration { name, ast_id });
             self.push_item(current_module, attrs, RawItemKind::Module(item));
             return;
         }
@@ -307,7 +292,6 @@ impl<DB: AstDatabase> RawItemsCollector<&DB> {
                 name,
                 ast_id,
                 items: Vec::new(),
-                is_macro_use,
             });
             self.process_module(Some(item), item_list);
             self.push_item(current_module, attrs, RawItemKind::Module(item));
-- 
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