Cleanup parser modifiers tests

crates/ra_parser/src/grammar/items.rs

@@ -132,6 +132,8 @@ pub(super) fn maybe_item(p: &mut Parser, m: Marker) -> Result<(), Marker> {
         }
     }
 
+    // test existential_type
+    // existential type Foo: Fn() -> usize;
     if p.at(IDENT) && p.at_contextual_kw("existential") && p.nth(1) == T![type] {
         p.bump_remap(T![existential]);
         has_mods = true;
@@ -139,79 +141,31 @@ pub(super) fn maybe_item(p: &mut Parser, m: Marker) -> Result<(), Marker> {
 
     // items
     match p.current() {
-        // test async_fn
+        // test fn
-        // async fn foo() {}
+        // fn foo() {}
-
-        // test extern_fn
-        // extern fn foo() {}
-
-        // test const_fn
-        // const fn foo() {}
-
-        // test const_unsafe_fn
-        // const unsafe fn foo() {}
-
-        // test unsafe_extern_fn
-        // unsafe extern "C" fn foo() {}
-
-        // test unsafe_fn
-        // unsafe fn foo() {}
-
-        // test combined_fns
-        // async unsafe fn foo() {}
-        // const unsafe fn bar() {}
-
-        // test_err wrong_order_fns
-        // unsafe async fn foo() {}
-        // unsafe const fn bar() {}
         T![fn] => {
             fn_def(p);
             m.complete(p, FN);
         }
 
-        // test unsafe_trait
+        // test trait
-        // unsafe trait T {}
+        // trait T {}
-
-        // test auto_trait
-        // auto trait T {}
-
-        // test unsafe_auto_trait
-        // unsafe auto trait T {}
         T![trait] => {
             traits::trait_def(p);
             m.complete(p, TRAIT);
         }
 
-        // test unsafe_impl
-        // unsafe impl Foo {}
-
-        // test default_impl
-        // default impl Foo {}
-
-        // test_err default_fn_type
-        // trait T {
-        //     default type T = Bar;
-        //     default fn foo() {}
-        // }
-
-        // test default_fn_type
-        // impl T for Foo {
-        //     default type T = Bar;
-        //     default fn foo() {}
-        // }
         T![const] => {
             consts::const_def(p, m);
         }
 
-        // test unsafe_default_impl
+        // test impl
-        // unsafe default impl Foo {}
+        // impl T for S {}
         T![impl] => {
             traits::impl_def(p);
             m.complete(p, IMPL);
         }
 
-        // test existential_type
-        // existential type Foo: Fn() -> usize;
         T![type] => {
             type_def(p, m);
         }

crates/ra_syntax/test_data/parser/inline/ok/0016_unsafe_trait.rast

@@ -1,13 +0,0 @@
-SOURCE_FILE@0..18
-  TRAIT@0..17
-    UNSAFE_KW@0..6 "unsafe"
-    WHITESPACE@6..7 " "
-    TRAIT_KW@7..12 "trait"
-    WHITESPACE@12..13 " "
-    NAME@13..14
-      IDENT@13..14 "T"
-    WHITESPACE@14..15 " "
-    ASSOC_ITEM_LIST@15..17
-      L_CURLY@15..16 "{"
-      R_CURLY@16..17 "}"
-  WHITESPACE@17..18 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0016_unsafe_trait.rs

@@ -1 +0,0 @@
-unsafe trait T {}

crates/ra_syntax/test_data/parser/inline/ok/0036_unsafe_extern_fn.rast

@@ -1,21 +0,0 @@
-SOURCE_FILE@0..30
-  FN@0..29
-    UNSAFE_KW@0..6 "unsafe"
-    WHITESPACE@6..7 " "
-    ABI@7..17
-      EXTERN_KW@7..13 "extern"
-      WHITESPACE@13..14 " "
-      STRING@14..17 "\"C\""
-    WHITESPACE@17..18 " "
-    FN_KW@18..20 "fn"
-    WHITESPACE@20..21 " "
-    NAME@21..24
-      IDENT@21..24 "foo"
-    PARAM_LIST@24..26
-      L_PAREN@24..25 "("
-      R_PAREN@25..26 ")"
-    WHITESPACE@26..27 " "
-    BLOCK_EXPR@27..29
-      L_CURLY@27..28 "{"
-      R_CURLY@28..29 "}"
-  WHITESPACE@29..30 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0036_unsafe_extern_fn.rs

@@ -1 +0,0 @@
-unsafe extern "C" fn foo() {}

crates/ra_syntax/test_data/parser/inline/ok/0047_unsafe_default_impl.rast

@@ -1,18 +0,0 @@
-SOURCE_FILE@0..27
-  IMPL@0..26
-    UNSAFE_KW@0..6 "unsafe"
-    WHITESPACE@6..7 " "
-    DEFAULT_KW@7..14 "default"
-    WHITESPACE@14..15 " "
-    IMPL_KW@15..19 "impl"
-    WHITESPACE@19..20 " "
-    PATH_TYPE@20..23
-      PATH@20..23
-        PATH_SEGMENT@20..23
-          NAME_REF@20..23
-            IDENT@20..23 "Foo"
-    WHITESPACE@23..24 " "
-    ASSOC_ITEM_LIST@24..26
-      L_CURLY@24..25 "{"
-      R_CURLY@25..26 "}"
-  WHITESPACE@26..27 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0047_unsafe_default_impl.rs

@@ -1 +0,0 @@
-unsafe default impl Foo {}

crates/ra_syntax/test_data/parser/inline/ok/0057_const_fn.rast

@@ -1,16 +0,0 @@
-SOURCE_FILE@0..18
-  FN@0..17
-    CONST_KW@0..5 "const"
-    WHITESPACE@5..6 " "
-    FN_KW@6..8 "fn"
-    WHITESPACE@8..9 " "
-    NAME@9..12
-      IDENT@9..12 "foo"
-    PARAM_LIST@12..14
-      L_PAREN@12..13 "("
-      R_PAREN@13..14 ")"
-    WHITESPACE@14..15 " "
-    BLOCK_EXPR@15..17
-      L_CURLY@15..16 "{"
-      R_CURLY@16..17 "}"
-  WHITESPACE@17..18 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0057_const_fn.rs

@@ -1 +0,0 @@
-const fn foo() {}

crates/ra_syntax/test_data/parser/inline/ok/0087_unsafe_impl.rast

@@ -1,16 +0,0 @@
-SOURCE_FILE@0..19
-  IMPL@0..18
-    UNSAFE_KW@0..6 "unsafe"
-    WHITESPACE@6..7 " "
-    IMPL_KW@7..11 "impl"
-    WHITESPACE@11..12 " "
-    PATH_TYPE@12..15
-      PATH@12..15
-        PATH_SEGMENT@12..15
-          NAME_REF@12..15
-            IDENT@12..15 "Foo"
-    WHITESPACE@15..16 " "
-    ASSOC_ITEM_LIST@16..18
-      L_CURLY@16..17 "{"
-      R_CURLY@17..18 "}"
-  WHITESPACE@18..19 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0087_unsafe_impl.rs

@@ -1 +0,0 @@
-unsafe impl Foo {}

crates/ra_syntax/test_data/parser/inline/ok/0089_extern_fn.rast

@@ -1,17 +0,0 @@
-SOURCE_FILE@0..19
-  FN@0..18
-    ABI@0..6
-      EXTERN_KW@0..6 "extern"
-    WHITESPACE@6..7 " "
-    FN_KW@7..9 "fn"
-    WHITESPACE@9..10 " "
-    NAME@10..13
-      IDENT@10..13 "foo"
-    PARAM_LIST@13..15
-      L_PAREN@13..14 "("
-      R_PAREN@14..15 ")"
-    WHITESPACE@15..16 " "
-    BLOCK_EXPR@16..18
-      L_CURLY@16..17 "{"
-      R_CURLY@17..18 "}"
-  WHITESPACE@18..19 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0089_extern_fn.rs

@@ -1 +0,0 @@
-extern fn foo() {}

crates/ra_syntax/test_data/parser/inline/ok/0091_auto_trait.rast

@@ -1,13 +0,0 @@
-SOURCE_FILE@0..16
-  TRAIT@0..15
-    AUTO_KW@0..4 "auto"
-    WHITESPACE@4..5 " "
-    TRAIT_KW@5..10 "trait"
-    WHITESPACE@10..11 " "
-    NAME@11..12
-      IDENT@11..12 "T"
-    WHITESPACE@12..13 " "
-    ASSOC_ITEM_LIST@13..15
-      L_CURLY@13..14 "{"
-      R_CURLY@14..15 "}"
-  WHITESPACE@15..16 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0091_auto_trait.rs

@@ -1 +0,0 @@
-auto trait T {}

crates/ra_syntax/test_data/parser/inline/ok/0094_unsafe_auto_trait.rast

@@ -1,15 +0,0 @@
-SOURCE_FILE@0..23
-  TRAIT@0..22
-    UNSAFE_KW@0..6 "unsafe"
-    WHITESPACE@6..7 " "
-    AUTO_KW@7..11 "auto"
-    WHITESPACE@11..12 " "
-    TRAIT_KW@12..17 "trait"
-    WHITESPACE@17..18 " "
-    NAME@18..19
-      IDENT@18..19 "T"
-    WHITESPACE@19..20 " "
-    ASSOC_ITEM_LIST@20..22
-      L_CURLY@20..21 "{"
-      R_CURLY@21..22 "}"
-  WHITESPACE@22..23 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0094_unsafe_auto_trait.rs

@@ -1 +0,0 @@
-unsafe auto trait T {}

crates/ra_syntax/test_data/parser/inline/ok/0097_default_impl.rast

@@ -1,16 +0,0 @@
-SOURCE_FILE@0..20
-  IMPL@0..19
-    DEFAULT_KW@0..7 "default"
-    WHITESPACE@7..8 " "
-    IMPL_KW@8..12 "impl"
-    WHITESPACE@12..13 " "
-    PATH_TYPE@13..16
-      PATH@13..16
-        PATH_SEGMENT@13..16
-          NAME_REF@13..16
-            IDENT@13..16 "Foo"
-    WHITESPACE@16..17 " "
-    ASSOC_ITEM_LIST@17..19
-      L_CURLY@17..18 "{"
-      R_CURLY@18..19 "}"
-  WHITESPACE@19..20 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0097_default_impl.rs

@@ -1 +0,0 @@
-default impl Foo {}

crates/ra_syntax/test_data/parser/inline/ok/0098_const_unsafe_fn.rast

@@ -1,18 +0,0 @@
-SOURCE_FILE@0..25
-  FN@0..24
-    CONST_KW@0..5 "const"
-    WHITESPACE@5..6 " "
-    UNSAFE_KW@6..12 "unsafe"
-    WHITESPACE@12..13 " "
-    FN_KW@13..15 "fn"
-    WHITESPACE@15..16 " "
-    NAME@16..19
-      IDENT@16..19 "foo"
-    PARAM_LIST@19..21
-      L_PAREN@19..20 "("
-      R_PAREN@20..21 ")"
-    WHITESPACE@21..22 " "
-    BLOCK_EXPR@22..24
-      L_CURLY@22..23 "{"
-      R_CURLY@23..24 "}"
-  WHITESPACE@24..25 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0098_const_unsafe_fn.rs

@@ -1 +0,0 @@
-const unsafe fn foo() {}

crates/ra_syntax/test_data/parser/inline/ok/0101_unsafe_fn.rast

@@ -1,16 +0,0 @@
-SOURCE_FILE@0..19
-  FN@0..18
-    UNSAFE_KW@0..6 "unsafe"
-    WHITESPACE@6..7 " "
-    FN_KW@7..9 "fn"
-    WHITESPACE@9..10 " "
-    NAME@10..13
-      IDENT@10..13 "foo"
-    PARAM_LIST@13..15
-      L_PAREN@13..14 "("
-      R_PAREN@14..15 ")"
-    WHITESPACE@15..16 " "
-    BLOCK_EXPR@16..18
-      L_CURLY@16..17 "{"
-      R_CURLY@17..18 "}"
-  WHITESPACE@18..19 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0101_unsafe_fn.rs

@@ -1 +0,0 @@
-unsafe fn foo() {}

crates/ra_syntax/test_data/parser/inline/ok/0124_async_fn.rast

@@ -1,16 +0,0 @@
-SOURCE_FILE@0..18
-  FN@0..17
-    ASYNC_KW@0..5 "async"
-    WHITESPACE@5..6 " "
-    FN_KW@6..8 "fn"
-    WHITESPACE@8..9 " "
-    NAME@9..12
-      IDENT@9..12 "foo"
-    PARAM_LIST@12..14
-      L_PAREN@12..13 "("
-      R_PAREN@13..14 ")"
-    WHITESPACE@14..15 " "
-    BLOCK_EXPR@15..17
-      L_CURLY@15..16 "{"
-      R_CURLY@16..17 "}"
-  WHITESPACE@17..18 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0124_async_fn.rs

@@ -1 +0,0 @@
-async fn foo() {}

crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rast

@@ -1,35 +0,0 @@
-SOURCE_FILE@0..50
-  FN@0..24
-    ASYNC_KW@0..5 "async"
-    WHITESPACE@5..6 " "
-    UNSAFE_KW@6..12 "unsafe"
-    WHITESPACE@12..13 " "
-    FN_KW@13..15 "fn"
-    WHITESPACE@15..16 " "
-    NAME@16..19
-      IDENT@16..19 "foo"
-    PARAM_LIST@19..21
-      L_PAREN@19..20 "("
-      R_PAREN@20..21 ")"
-    WHITESPACE@21..22 " "
-    BLOCK_EXPR@22..24
-      L_CURLY@22..23 "{"
-      R_CURLY@23..24 "}"
-  WHITESPACE@24..25 "\n"
-  FN@25..49
-    CONST_KW@25..30 "const"
-    WHITESPACE@30..31 " "
-    UNSAFE_KW@31..37 "unsafe"
-    WHITESPACE@37..38 " "
-    FN_KW@38..40 "fn"
-    WHITESPACE@40..41 " "
-    NAME@41..44
-      IDENT@41..44 "bar"
-    PARAM_LIST@44..46
-      L_PAREN@44..45 "("
-      R_PAREN@45..46 ")"
-    WHITESPACE@46..47 " "
-    BLOCK_EXPR@47..49
-      L_CURLY@47..48 "{"
-      R_CURLY@48..49 "}"
-  WHITESPACE@49..50 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rs

@@ -1,2 +0,0 @@
-async unsafe fn foo() {}
-const unsafe fn bar() {}

crates/ra_syntax/test_data/parser/inline/ok/0151_fn.rast

@@ -0,0 +1,14 @@
+SOURCE_FILE@0..12
+  FN@0..11
+    FN_KW@0..2 "fn"
+    WHITESPACE@2..3 " "
+    NAME@3..6
+      IDENT@3..6 "foo"
+    PARAM_LIST@6..8
+      L_PAREN@6..7 "("
+      R_PAREN@7..8 ")"
+    WHITESPACE@8..9 " "
+    BLOCK_EXPR@9..11
+      L_CURLY@9..10 "{"
+      R_CURLY@10..11 "}"
+  WHITESPACE@11..12 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0151_fn.rs

@@ -0,0 +1 @@
+fn foo() {}

crates/ra_syntax/test_data/parser/inline/ok/0152_impl.rast

@@ -0,0 +1,22 @@
+SOURCE_FILE@0..16
+  IMPL@0..15
+    IMPL_KW@0..4 "impl"
+    WHITESPACE@4..5 " "
+    PATH_TYPE@5..6
+      PATH@5..6
+        PATH_SEGMENT@5..6
+          NAME_REF@5..6
+            IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    FOR_KW@7..10 "for"
+    WHITESPACE@10..11 " "
+    PATH_TYPE@11..12
+      PATH@11..12
+        PATH_SEGMENT@11..12
+          NAME_REF@11..12
+            IDENT@11..12 "S"
+    WHITESPACE@12..13 " "
+    ASSOC_ITEM_LIST@13..15
+      L_CURLY@13..14 "{"
+      R_CURLY@14..15 "}"
+  WHITESPACE@15..16 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0152_impl.rs

@@ -0,0 +1 @@
+impl T for S {}

crates/ra_syntax/test_data/parser/inline/ok/0153_trait.rast

@@ -0,0 +1,11 @@
+SOURCE_FILE@0..11
+  TRAIT@0..10
+    TRAIT_KW@0..5 "trait"
+    WHITESPACE@5..6 " "
+    NAME@6..7
+      IDENT@6..7 "T"
+    WHITESPACE@7..8 " "
+    ASSOC_ITEM_LIST@8..10
+      L_CURLY@8..9 "{"
+      R_CURLY@9..10 "}"
+  WHITESPACE@10..11 "\n"

crates/ra_syntax/test_data/parser/inline/ok/0153_trait.rs

@@ -0,0 +1 @@
+trait T {}

crates/ra_syntax/test_data/parser/ok/0021_extern_fn.rast

@@ -1,56 +0,0 @@
-SOURCE_FILE@0..71
-  FN@0..19
-    ABI@0..6
-      EXTERN_KW@0..6 "extern"
-    WHITESPACE@6..7 " "
-    FN_KW@7..9 "fn"
-    WHITESPACE@9..10 " "
-    NAME@10..13
-      IDENT@10..13 "foo"
-    PARAM_LIST@13..15
-      L_PAREN@13..14 "("
-      R_PAREN@14..15 ")"
-    WHITESPACE@15..16 " "
-    BLOCK_EXPR@16..19
-      L_CURLY@16..17 "{"
-      WHITESPACE@17..18 "\n"
-      R_CURLY@18..19 "}"
-  WHITESPACE@19..21 "\n\n"
-  FN@21..44
-    ABI@21..31
-      EXTERN_KW@21..27 "extern"
-      WHITESPACE@27..28 " "
-      STRING@28..31 "\"C\""
-    WHITESPACE@31..32 " "
-    FN_KW@32..34 "fn"
-    WHITESPACE@34..35 " "
-    NAME@35..38
-      IDENT@35..38 "bar"
-    PARAM_LIST@38..40
-      L_PAREN@38..39 "("
-      R_PAREN@39..40 ")"
-    WHITESPACE@40..41 " "
-    BLOCK_EXPR@41..44
-      L_CURLY@41..42 "{"
-      WHITESPACE@42..43 "\n"
-      R_CURLY@43..44 "}"
-  WHITESPACE@44..46 "\n\n"
-  FN@46..70
-    ABI@46..57
-      EXTERN_KW@46..52 "extern"
-      WHITESPACE@52..53 " "
-      RAW_STRING@53..57 "r\"D\""
-    WHITESPACE@57..58 " "
-    FN_KW@58..60 "fn"
-    WHITESPACE@60..61 " "
-    NAME@61..64
-      IDENT@61..64 "baz"
-    PARAM_LIST@64..66
-      L_PAREN@64..65 "("
-      R_PAREN@65..66 ")"
-    WHITESPACE@66..67 " "
-    BLOCK_EXPR@67..70
-      L_CURLY@67..68 "{"
-      WHITESPACE@68..69 "\n"
-      R_CURLY@69..70 "}"
-  WHITESPACE@70..71 "\n"

crates/ra_syntax/test_data/parser/ok/0021_extern_fn.rs

@@ -1,8 +0,0 @@
-extern fn foo() {
-}
-
-extern "C" fn bar() {
-}
-
-extern r"D" fn baz() {
-}

crates/ra_syntax/test_data/parser/ok/0068_item_modifiers.rast

@@ -0,0 +1,218 @@
+SOURCE_FILE@0..304
+  FN@0..17
+    ASYNC_KW@0..5 "async"
+    WHITESPACE@5..6 " "
+    FN_KW@6..8 "fn"
+    WHITESPACE@8..9 " "
+    NAME@9..12
+      IDENT@9..12 "foo"
+    PARAM_LIST@12..14
+      L_PAREN@12..13 "("
+      R_PAREN@13..14 ")"
+    WHITESPACE@14..15 " "
+    BLOCK_EXPR@15..17
+      L_CURLY@15..16 "{"
+      R_CURLY@16..17 "}"
+  WHITESPACE@17..18 "\n"
+  FN@18..36
+    ABI@18..24
+      EXTERN_KW@18..24 "extern"
+    WHITESPACE@24..25 " "
+    FN_KW@25..27 "fn"
+    WHITESPACE@27..28 " "
+    NAME@28..31
+      IDENT@28..31 "foo"
+    PARAM_LIST@31..33
+      L_PAREN@31..32 "("
+      R_PAREN@32..33 ")"
+    WHITESPACE@33..34 " "
+    BLOCK_EXPR@34..36
+      L_CURLY@34..35 "{"
+      R_CURLY@35..36 "}"
+  WHITESPACE@36..37 "\n"
+  FN@37..54
+    CONST_KW@37..42 "const"
+    WHITESPACE@42..43 " "
+    FN_KW@43..45 "fn"
+    WHITESPACE@45..46 " "
+    NAME@46..49
+      IDENT@46..49 "foo"
+    PARAM_LIST@49..51
+      L_PAREN@49..50 "("
+      R_PAREN@50..51 ")"
+    WHITESPACE@51..52 " "
+    BLOCK_EXPR@52..54
+      L_CURLY@52..53 "{"
+      R_CURLY@53..54 "}"
+  WHITESPACE@54..55 "\n"
+  FN@55..79
+    CONST_KW@55..60 "const"
+    WHITESPACE@60..61 " "
+    UNSAFE_KW@61..67 "unsafe"
+    WHITESPACE@67..68 " "
+    FN_KW@68..70 "fn"
+    WHITESPACE@70..71 " "
+    NAME@71..74
+      IDENT@71..74 "foo"
+    PARAM_LIST@74..76
+      L_PAREN@74..75 "("
+      R_PAREN@75..76 ")"
+    WHITESPACE@76..77 " "
+    BLOCK_EXPR@77..79
+      L_CURLY@77..78 "{"
+      R_CURLY@78..79 "}"
+  WHITESPACE@79..80 "\n"
+  FN@80..109
+    UNSAFE_KW@80..86 "unsafe"
+    WHITESPACE@86..87 " "
+    ABI@87..97
+      EXTERN_KW@87..93 "extern"
+      WHITESPACE@93..94 " "
+      STRING@94..97 "\"C\""
+    WHITESPACE@97..98 " "
+    FN_KW@98..100 "fn"
+    WHITESPACE@100..101 " "
+    NAME@101..104
+      IDENT@101..104 "foo"
+    PARAM_LIST@104..106
+      L_PAREN@104..105 "("
+      R_PAREN@105..106 ")"
+    WHITESPACE@106..107 " "
+    BLOCK_EXPR@107..109
+      L_CURLY@107..108 "{"
+      R_CURLY@108..109 "}"
+  WHITESPACE@109..110 "\n"
+  FN@110..128
+    UNSAFE_KW@110..116 "unsafe"
+    WHITESPACE@116..117 " "
+    FN_KW@117..119 "fn"
+    WHITESPACE@119..120 " "
+    NAME@120..123
+      IDENT@120..123 "foo"
+    PARAM_LIST@123..125
+      L_PAREN@123..124 "("
+      R_PAREN@124..125 ")"
+    WHITESPACE@125..126 " "
+    BLOCK_EXPR@126..128
+      L_CURLY@126..127 "{"
+      R_CURLY@127..128 "}"
+  WHITESPACE@128..129 "\n"
+  FN@129..153
+    ASYNC_KW@129..134 "async"
+    WHITESPACE@134..135 " "
+    UNSAFE_KW@135..141 "unsafe"
+    WHITESPACE@141..142 " "
+    FN_KW@142..144 "fn"
+    WHITESPACE@144..145 " "
+    NAME@145..148
+      IDENT@145..148 "foo"
+    PARAM_LIST@148..150
+      L_PAREN@148..149 "("
+      R_PAREN@149..150 ")"
+    WHITESPACE@150..151 " "
+    BLOCK_EXPR@151..153
+      L_CURLY@151..152 "{"
+      R_CURLY@152..153 "}"
+  WHITESPACE@153..154 "\n"
+  FN@154..178
+    CONST_KW@154..159 "const"
+    WHITESPACE@159..160 " "
+    UNSAFE_KW@160..166 "unsafe"
+    WHITESPACE@166..167 " "
+    FN_KW@167..169 "fn"
+    WHITESPACE@169..170 " "
+    NAME@170..173
+      IDENT@170..173 "bar"
+    PARAM_LIST@173..175
+      L_PAREN@173..174 "("
+      R_PAREN@174..175 ")"
+    WHITESPACE@175..176 " "
+    BLOCK_EXPR@176..178
+      L_CURLY@176..177 "{"
+      R_CURLY@177..178 "}"
+  WHITESPACE@178..180 "\n\n"
+  TRAIT@180..197
+    UNSAFE_KW@180..186 "unsafe"
+    WHITESPACE@186..187 " "
+    TRAIT_KW@187..192 "trait"
+    WHITESPACE@192..193 " "
+    NAME@193..194
+      IDENT@193..194 "T"
+    WHITESPACE@194..195 " "
+    ASSOC_ITEM_LIST@195..197
+      L_CURLY@195..196 "{"
+      R_CURLY@196..197 "}"
+  WHITESPACE@197..198 "\n"
+  TRAIT@198..213
+    AUTO_KW@198..202 "auto"
+    WHITESPACE@202..203 " "
+    TRAIT_KW@203..208 "trait"
+    WHITESPACE@208..209 " "
+    NAME@209..210
+      IDENT@209..210 "T"
+    WHITESPACE@210..211 " "
+    ASSOC_ITEM_LIST@211..213
+      L_CURLY@211..212 "{"
+      R_CURLY@212..213 "}"
+  WHITESPACE@213..214 "\n"
+  TRAIT@214..236
+    UNSAFE_KW@214..220 "unsafe"
+    WHITESPACE@220..221 " "
+    AUTO_KW@221..225 "auto"
+    WHITESPACE@225..226 " "
+    TRAIT_KW@226..231 "trait"
+    WHITESPACE@231..232 " "
+    NAME@232..233
+      IDENT@232..233 "T"
+    WHITESPACE@233..234 " "
+    ASSOC_ITEM_LIST@234..236
+      L_CURLY@234..235 "{"
+      R_CURLY@235..236 "}"
+  WHITESPACE@236..238 "\n\n"
+  IMPL@238..256
+    UNSAFE_KW@238..244 "unsafe"
+    WHITESPACE@244..245 " "
+    IMPL_KW@245..249 "impl"
+    WHITESPACE@249..250 " "
+    PATH_TYPE@250..253
+      PATH@250..253
+        PATH_SEGMENT@250..253
+          NAME_REF@250..253
+            IDENT@250..253 "Foo"
+    WHITESPACE@253..254 " "
+    ASSOC_ITEM_LIST@254..256
+      L_CURLY@254..255 "{"
+      R_CURLY@255..256 "}"
+  WHITESPACE@256..257 "\n"
+  IMPL@257..276
+    DEFAULT_KW@257..264 "default"
+    WHITESPACE@264..265 " "
+    IMPL_KW@265..269 "impl"
+    WHITESPACE@269..270 " "
+    PATH_TYPE@270..273
+      PATH@270..273
+        PATH_SEGMENT@270..273
+          NAME_REF@270..273
+            IDENT@270..273 "Foo"
+    WHITESPACE@273..274 " "
+    ASSOC_ITEM_LIST@274..276
+      L_CURLY@274..275 "{"
+      R_CURLY@275..276 "}"
+  WHITESPACE@276..277 "\n"
+  IMPL@277..303
+    UNSAFE_KW@277..283 "unsafe"
+    WHITESPACE@283..284 " "
+    DEFAULT_KW@284..291 "default"
+    WHITESPACE@291..292 " "
+    IMPL_KW@292..296 "impl"
+    WHITESPACE@296..297 " "
+    PATH_TYPE@297..300
+      PATH@297..300
+        PATH_SEGMENT@297..300
+          NAME_REF@297..300
+            IDENT@297..300 "Foo"
+    WHITESPACE@300..301 " "
+    ASSOC_ITEM_LIST@301..303
+      L_CURLY@301..302 "{"
+      R_CURLY@302..303 "}"
+  WHITESPACE@303..304 "\n"

crates/ra_syntax/test_data/parser/ok/0068_item_modifiers.rs

@@ -0,0 +1,16 @@
+async fn foo() {}
+extern fn foo() {}
+const fn foo() {}
+const unsafe fn foo() {}
+unsafe extern "C" fn foo() {}
+unsafe fn foo() {}
+async unsafe fn foo() {}
+const unsafe fn bar() {}
+
+unsafe trait T {}
+auto trait T {}
+unsafe auto trait T {}
+
+unsafe impl Foo {}
+default impl Foo {}
+unsafe default impl Foo {}