Attach outer attributes to the elements they annotate

Fixes #244.

Author: wetneb

grammar.js

@@ -137,7 +137,6 @@ module.exports = grammar({
       $.macro_invocation,
       $.macro_definition,
       $.empty_statement,
-      $.attribute_item,
       $.inner_attribute_item,
       $.mod_item,
       $.foreign_mod_item,
@@ -269,6 +268,7 @@ module.exports = grammar({
     ),
 
     mod_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       'mod',
       field('name', $.identifier),
@@ -279,6 +279,7 @@ module.exports = grammar({
     ),
 
     foreign_mod_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       $.extern_modifier,
       choice(
@@ -294,6 +295,7 @@ module.exports = grammar({
     ),
 
     struct_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       'struct',
       field('name', $._type_identifier),
@@ -313,6 +315,7 @@ module.exports = grammar({
     ),
 
     union_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       'union',
       field('name', $._type_identifier),
@@ -322,6 +325,7 @@ module.exports = grammar({
     ),
 
     enum_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       'enum',
       field('name', $._type_identifier),
@@ -376,6 +380,7 @@ module.exports = grammar({
     ),
 
     extern_crate_declaration: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       'extern',
       $.crate,
@@ -388,6 +393,7 @@ module.exports = grammar({
     ),
 
     const_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       'const',
       field('name', $.identifier),
@@ -403,6 +409,7 @@ module.exports = grammar({
     ),
 
     static_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       'static',
 
@@ -421,6 +428,7 @@ module.exports = grammar({
     ),
 
     type_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       'type',
       field('name', $._type_identifier),
@@ -433,6 +441,7 @@ module.exports = grammar({
     ),
 
     function_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       optional($.function_modifiers),
       'fn',
@@ -445,6 +454,7 @@ module.exports = grammar({
     ),
 
     function_signature_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       optional($.function_modifiers),
       'fn',
@@ -489,6 +499,7 @@ module.exports = grammar({
     ),
 
     impl_item: $ => seq(
+      repeat($.attribute_item),
       optional('unsafe'),
       'impl',
       field('type_parameters', optional($.type_parameters)),
@@ -507,6 +518,7 @@ module.exports = grammar({
     ),
 
     trait_item: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       optional('unsafe'),
       'trait',
@@ -518,6 +530,7 @@ module.exports = grammar({
     ),
 
     associated_type: $ => seq(
+      repeat($.attribute_item),
       'type',
       field('name', $._type_identifier),
       field('type_parameters', optional($.type_parameters)),
@@ -598,6 +611,7 @@ module.exports = grammar({
     )),
 
     let_declaration: $ => seq(
+      repeat($.attribute_item),
       'let',
       optional($.mutable_specifier),
       field('pattern', $._pattern),
@@ -617,6 +631,7 @@ module.exports = grammar({
     ),
 
     use_declaration: $ => seq(
+      repeat($.attribute_item),
       optional($.visibility_modifier),
       'use',
       field('argument', $._use_clause),

test/corpus/declarations.txt

@@ -1234,41 +1234,41 @@ mod macos_only {}
 
 #![allow(clippy::useless_transmute)]
 
-#[clippy::cyclomatic_complexity = "100"]
+#![clippy::cyclomatic_complexity = "100"]
 
 --------------------------------------------------------------------------------
 
 (source_file
-  (attribute_item
-    (attribute
-      (identifier)))
   (function_item
+    (attribute_item
+      (attribute
+        (identifier)))
     name: (identifier)
     parameters: (parameters)
     body: (block))
-  (attribute_item
-    (attribute
-      (identifier)
-      arguments: (token_tree
-        (identifier))))
   (struct_item
-    name: (type_identifier))
-  (attribute_item
-    (attribute
-      (identifier)
-      arguments: (token_tree
+    (attribute_item
+      (attribute
         (identifier)
-        (identifier))))
-  (struct_item
+        arguments: (token_tree
+          (identifier))))
     name: (type_identifier))
-  (attribute_item
-    (attribute
-      (identifier)
-      arguments: (token_tree
+  (struct_item
+    (attribute_item
+      (attribute
         (identifier)
-        (string_literal
-          (string_content)))))
+        arguments: (token_tree
+          (identifier)
+          (identifier))))
+    name: (type_identifier))
   (mod_item
+    (attribute_item
+      (attribute
+        (identifier)
+        arguments: (token_tree
+          (identifier)
+          (string_literal
+            (string_content)))))
     name: (identifier)
     body: (declaration_list))
   (inner_attribute_item
@@ -1277,7 +1277,7 @@ mod macos_only {}
       arguments: (token_tree
         (identifier)
         (identifier))))
-  (attribute_item
+  (inner_attribute_item
     (attribute
       (scoped_identifier
         path: (identifier)
@@ -1358,25 +1358,25 @@ fn baz() {}
 --------------------------------------------------------------------------------
 
 (source_file
-  (attribute_item
-    (attribute
-      (identifier)
-      (macro_invocation
-        (identifier)
-        (token_tree
-          (string_literal
-            (string_content))))))
   (function_item
+    (attribute_item
+      (attribute
+        (identifier)
+        (macro_invocation
+          (identifier)
+          (token_tree
+            (string_literal
+              (string_content))))))
     (identifier)
     (parameters)
     (block))
-  (attribute_item
-    (attribute
-      (identifier)
-      (scoped_identifier
-        (identifier)
-        (identifier))))
   (function_item
+    (attribute_item
+      (attribute
+        (identifier)
+        (scoped_identifier
+          (identifier)
+          (identifier))))
     (identifier)
     (parameters)
     (block)))
@@ -1447,13 +1447,13 @@ pub enum Error {
     (scoped_identifier
       (identifier)
       (identifier)))
-  (attribute_item
-    (attribute
-      (identifier)
-      (token_tree
-        (identifier)
-        (identifier))))
   (enum_item
+    (attribute_item
+      (attribute
+        (identifier)
+        (token_tree
+          (identifier)
+          (identifier))))
     (visibility_modifier)
     (type_identifier)
     (enum_variant_list