From d221ff4f9e0e270939a2944a2471bc3f027a674b Mon Sep 17 00:00:00 2001
From: Kirill Bulatov <mail4score@gmail.com>
Date: Mon, 23 Mar 2020 00:19:55 +0200
Subject: Auto import macros

---
 crates/ra_assists/src/ast_transform.rs            |  2 +-
 crates/ra_assists/src/handlers/auto_import.rs     | 34 ++++++++++++++---------
 crates/ra_assists/src/handlers/fill_match_arms.rs |  5 ++--
 3 files changed, 25 insertions(+), 16 deletions(-)

(limited to 'crates/ra_assists')

diff --git a/crates/ra_assists/src/ast_transform.rs b/crates/ra_assists/src/ast_transform.rs
index 45558c448..34c816f16 100644
--- a/crates/ra_assists/src/ast_transform.rs
+++ b/crates/ra_assists/src/ast_transform.rs
@@ -129,7 +129,7 @@ impl<'a> QualifyPaths<'a> {
         let resolution = self.source_scope.resolve_hir_path(&hir_path?)?;
         match resolution {
             PathResolution::Def(def) => {
-                let found_path = from.find_use_path(self.source_scope.db, def)?;
+                let found_path = from.find_use_path(self.source_scope.db, def.into())?;
                 let mut path = path_to_ast(found_path);
 
                 let type_args = p
diff --git a/crates/ra_assists/src/handlers/auto_import.rs b/crates/ra_assists/src/handlers/auto_import.rs
index bb280f633..49d8c4c3d 100644
--- a/crates/ra_assists/src/handlers/auto_import.rs
+++ b/crates/ra_assists/src/handlers/auto_import.rs
@@ -4,7 +4,7 @@ use hir::{
     AsAssocItem, AssocItemContainer, ModPath, Module, ModuleDef, PathResolution, Semantics, Trait,
     Type,
 };
-use ra_ide_db::{imports_locator::ImportsLocator, RootDatabase};
+use ra_ide_db::{defs::Definition, imports_locator::ImportsLocator, RootDatabase};
 use ra_prof::profile;
 use ra_syntax::{
     ast::{self, AstNode},
@@ -127,14 +127,16 @@ impl AutoImportAssets {
         ImportsLocator::new(db)
             .find_imports(&self.get_search_query())
             .into_iter()
-            .filter_map(|module_def| match &self.import_candidate {
+            .filter_map(|definition| match &self.import_candidate {
                 ImportCandidate::TraitAssocItem(assoc_item_type, _) => {
-                    let located_assoc_item = match module_def {
-                        ModuleDef::Function(located_function) => located_function
-                            .as_assoc_item(db)
-                            .map(|assoc| assoc.container(db))
-                            .and_then(Self::assoc_to_trait),
-                        ModuleDef::Const(located_const) => located_const
+                    let located_assoc_item = match definition {
+                        Definition::ModuleDef(ModuleDef::Function(located_function)) => {
+                            located_function
+                                .as_assoc_item(db)
+                                .map(|assoc| assoc.container(db))
+                                .and_then(Self::assoc_to_trait)
+                        }
+                        Definition::ModuleDef(ModuleDef::Const(located_const)) => located_const
                             .as_assoc_item(db)
                             .map(|assoc| assoc.container(db))
                             .and_then(Self::assoc_to_trait),
@@ -152,11 +154,13 @@ impl AutoImportAssets {
                             None,
                             |_, assoc| Self::assoc_to_trait(assoc.container(db)),
                         )
-                        .map(ModuleDef::from)
+                        .map(|located_trait| ModuleDef::from(located_trait).into())
                 }
                 ImportCandidate::TraitMethod(function_callee, _) => {
                     let located_assoc_item =
-                        if let ModuleDef::Function(located_function) = module_def {
+                        if let Definition::ModuleDef(ModuleDef::Function(located_function)) =
+                            definition
+                        {
                             located_function
                                 .as_assoc_item(db)
                                 .map(|assoc| assoc.container(db))
@@ -178,11 +182,15 @@ impl AutoImportAssets {
                                 Self::assoc_to_trait(function.as_assoc_item(db)?.container(db))
                             },
                         )
-                        .map(ModuleDef::from)
+                        .map(|located_trait| ModuleDef::from(located_trait).into())
                 }
-                _ => Some(module_def),
+                _ => match definition {
+                    Definition::ModuleDef(module_def) => Some(module_def.into()),
+                    Definition::Macro(macro_def) => Some(macro_def.into()),
+                    _ => None,
+                },
             })
-            .filter_map(|module_def| self.module_with_name_to_import.find_use_path(db, module_def))
+            .filter_map(|item| self.module_with_name_to_import.find_use_path(db, item))
             .filter(|use_path| !use_path.segments.is_empty())
             .take(20)
             .collect::<BTreeSet<_>>()
diff --git a/crates/ra_assists/src/handlers/fill_match_arms.rs b/crates/ra_assists/src/handlers/fill_match_arms.rs
index 7463b2af7..869942b12 100644
--- a/crates/ra_assists/src/handlers/fill_match_arms.rs
+++ b/crates/ra_assists/src/handlers/fill_match_arms.rs
@@ -2,7 +2,7 @@
 
 use std::iter;
 
-use hir::{Adt, HasSource, Semantics};
+use hir::{Adt, HasSource, ModuleDef, Semantics};
 use itertools::Itertools;
 use ra_ide_db::RootDatabase;
 
@@ -154,7 +154,8 @@ fn resolve_tuple_of_enum_def(
 }
 
 fn build_pat(db: &RootDatabase, module: hir::Module, var: hir::EnumVariant) -> Option<ast::Pat> {
-    let path = crate::ast_transform::path_to_ast(module.find_use_path(db, var.into())?);
+    let path =
+        crate::ast_transform::path_to_ast(module.find_use_path(db, ModuleDef::from(var).into())?);
 
     // FIXME: use HIR for this; it doesn't currently expose struct vs. tuple vs. unit variants though
     let pat: ast::Pat = match var.source(db).value.kind() {
-- 
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