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Allow default everywhere

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closes #5681
This commit is contained in:
Aleksey Kladov 2020-08-12 14:26:36 +02:00
parent 4b3d99f98f
commit f73a6419d4
21 changed files with 326 additions and 307 deletions
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2
crates/ra_parser/src/grammar.rs
View File

@ -110,7 +110,7 @@ pub(crate) mod fragments {
}
pub(crate) fn item(p: &mut Parser) {
items::item_or_macro(p, true, items::ItemFlavor::Mod)
items::item_or_macro(p, true)
}
pub(crate) fn macro_items(p: &mut Parser) {

2
crates/ra_parser/src/grammar/expressions.rs
View File

@ -73,7 +73,7 @@ pub(super) fn stmt(p: &mut Parser, with_semi: StmtWithSemi) {
// test block_items
// fn a() { fn b() {} }
let m = match items::maybe_item(p, m, items::ItemFlavor::Mod) {
let m = match items::maybe_item(p, m) {
Ok(()) => return,
Err(m) => m,
};

50
crates/ra_parser/src/grammar/items.rs
View File

@ -22,24 +22,19 @@ use super::*;
pub(super) fn mod_contents(p: &mut Parser, stop_on_r_curly: bool) {
attributes::inner_attributes(p);
while !(stop_on_r_curly && p.at(T!['}']) || p.at(EOF)) {
item_or_macro(p, stop_on_r_curly, ItemFlavor::Mod)
item_or_macro(p, stop_on_r_curly)
}
}
pub(super) enum ItemFlavor {
Mod,
Trait,
}
pub(super) const ITEM_RECOVERY_SET: TokenSet = token_set![
FN_KW, STRUCT_KW, ENUM_KW, IMPL_KW, TRAIT_KW, CONST_KW, STATIC_KW, LET_KW, MOD_KW, PUB_KW,
CRATE_KW, USE_KW, MACRO_KW
];
pub(super) fn item_or_macro(p: &mut Parser, stop_on_r_curly: bool, flavor: ItemFlavor) {
pub(super) fn item_or_macro(p: &mut Parser, stop_on_r_curly: bool) {
let m = p.start();
attributes::outer_attributes(p);
let m = match maybe_item(p, m, flavor) {
let m = match maybe_item(p, m) {
Ok(()) => {
if p.at(T![;]) {
p.err_and_bump(
@ -76,7 +71,7 @@ pub(super) fn item_or_macro(p: &mut Parser, stop_on_r_curly: bool, flavor: ItemF
}
}
pub(super) fn maybe_item(p: &mut Parser, m: Marker, flavor: ItemFlavor) -> Result<(), Marker> {
pub(super) fn maybe_item(p: &mut Parser, m: Marker) -> Result<(), Marker> {
// test_err pub_expr
// fn foo() { pub 92; }
let has_visibility = opt_visibility(p);
@ -114,38 +109,29 @@ pub(super) fn maybe_item(p: &mut Parser, m: Marker, flavor: ItemFlavor) -> Resul
has_mods = true;
}
if p.at(IDENT)
&& p.at_contextual_kw("default")
&& (match p.nth(1) {
T![impl] => true,
// test default_item
// default impl T for Foo {}
if p.at(IDENT) && p.at_contextual_kw("default") {
match p.nth(1) {
T![fn] | T![type] | T![const] | T![impl] => {
p.bump_remap(T![default]);
has_mods = true;
}
T![unsafe] => {
// test default_unsafe_impl
// default unsafe impl Foo {}
// test default_unsafe_fn
// impl T for Foo {
// test default_unsafe_item
// default unsafe impl T for Foo {
// default unsafe fn foo() {}
// }
if p.nth(2) == T![impl] || p.nth(2) == T![fn] {
if matches!(p.nth(2), T![impl] | T![fn]) {
p.bump_remap(T![default]);
p.bump(T![unsafe]);
has_mods = true;
}
false
}
T![fn] | T![type] | T![const] => {
if let ItemFlavor::Mod = flavor {
true
} else {
false
}
}
_ => false,
})
{
p.bump_remap(T![default]);
has_mods = true;
_ => (),
}
}
if p.at(IDENT) && p.at_contextual_kw("existential") && p.nth(1) == T![type] {
p.bump_remap(T![existential]);
has_mods = true;

4
crates/ra_parser/src/grammar/items/traits.rs
View File

@ -47,7 +47,7 @@ pub(crate) fn trait_item_list(p: &mut Parser) {
error_block(p, "expected an item");
continue;
}
item_or_macro(p, true, ItemFlavor::Trait);
item_or_macro(p, true);
}
p.expect(T!['}']);
m.complete(p, ASSOC_ITEM_LIST);
@ -104,7 +104,7 @@ pub(crate) fn impl_item_list(p: &mut Parser) {
error_block(p, "expected an item");
continue;
}
item_or_macro(p, true, ItemFlavor::Mod);
item_or_macro(p, true);
}
p.expect(T!['}']);
m.complete(p, ASSOC_ITEM_LIST);

40
crates/ra_syntax/test_data/parser/err/0043_default_const.rast
View File

@ -1,40 +0,0 @@
SOURCE_FILE@0..39
TRAIT@0..38
TRAIT_KW@0..5 "trait"
WHITESPACE@5..6 " "
NAME@6..7
IDENT@6..7 "T"
WHITESPACE@7..8 " "
ASSOC_ITEM_LIST@8..38
L_CURLY@8..9 "{"
WHITESPACE@9..12 "\n "
MACRO_CALL@12..19
PATH@12..19
PATH_SEGMENT@12..19
NAME_REF@12..19
IDENT@12..19 "default"
WHITESPACE@19..20 " "
CONST@20..36
CONST_KW@20..25 "const"
WHITESPACE@25..26 " "
NAME@26..27
IDENT@26..27 "f"
COLON@27..28 ":"
WHITESPACE@28..29 " "
PATH_TYPE@29..31
PATH@29..31
PATH_SEGMENT@29..31
NAME_REF@29..31
IDENT@29..31 "u8"
WHITESPACE@31..32 " "
EQ@32..33 "="
WHITESPACE@33..34 " "
LITERAL@34..35
INT_NUMBER@34..35 "0"
SEMICOLON@35..36 ";"
WHITESPACE@36..37 "\n"
R_CURLY@37..38 "}"
WHITESPACE@38..39 "\n"
error 19..19: expected BANG
error 19..19: expected `{`, `[`, `(`
error 19..19: expected SEMICOLON

3
crates/ra_syntax/test_data/parser/err/0043_default_const.rs
View File

@ -1,3 +0,0 @@
trait T {
default const f: u8 = 0;
}

58
crates/ra_syntax/test_data/parser/inline/err/0014_default_fn_type.rast
View File

@ -1,58 +0,0 @@
SOURCE_FILE@0..62
TRAIT@0..61
TRAIT_KW@0..5 "trait"
WHITESPACE@5..6 " "
NAME@6..7
IDENT@6..7 "T"
WHITESPACE@7..8 " "
ASSOC_ITEM_LIST@8..61
L_CURLY@8..9 "{"
WHITESPACE@9..14 "\n "
MACRO_CALL@14..21
PATH@14..21
PATH_SEGMENT@14..21
NAME_REF@14..21
IDENT@14..21 "default"
WHITESPACE@21..22 " "
TYPE_ALIAS@22..35
TYPE_KW@22..26 "type"
WHITESPACE@26..27 " "
NAME@27..28
IDENT@27..28 "T"
WHITESPACE@28..29 " "
EQ@29..30 "="
WHITESPACE@30..31 " "
PATH_TYPE@31..34
PATH@31..34
PATH_SEGMENT@31..34
NAME_REF@31..34
IDENT@31..34 "Bar"
SEMICOLON@34..35 ";"
WHITESPACE@35..40 "\n "
MACRO_CALL@40..47
PATH@40..47
PATH_SEGMENT@40..47
NAME_REF@40..47
IDENT@40..47 "default"
WHITESPACE@47..48 " "
FN@48..59
FN_KW@48..50 "fn"
WHITESPACE@50..51 " "
NAME@51..54
IDENT@51..54 "foo"
PARAM_LIST@54..56
L_PAREN@54..55 "("
R_PAREN@55..56 ")"
WHITESPACE@56..57 " "
BLOCK_EXPR@57..59
L_CURLY@57..58 "{"
R_CURLY@58..59 "}"
WHITESPACE@59..60 "\n"
R_CURLY@60..61 "}"
WHITESPACE@61..62 "\n"
error 21..21: expected BANG
error 21..21: expected `{`, `[`, `(`
error 21..21: expected SEMICOLON
error 47..47: expected BANG
error 47..47: expected `{`, `[`, `(`
error 47..47: expected SEMICOLON

4
crates/ra_syntax/test_data/parser/inline/err/0014_default_fn_type.rs
View File

@ -1,4 +0,0 @@
trait T {
default type T = Bar;
default fn foo() {}
}

55
crates/ra_syntax/test_data/parser/inline/ok/0132_default_fn_type.rast
View File

@ -1,55 +0,0 @@
SOURCE_FILE@0..69
IMPL@0..68
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..14
PATH@11..14
PATH_SEGMENT@11..14
NAME_REF@11..14
IDENT@11..14 "Foo"
WHITESPACE@14..15 " "
ASSOC_ITEM_LIST@15..68
L_CURLY@15..16 "{"
WHITESPACE@16..21 "\n "
TYPE_ALIAS@21..42
DEFAULT_KW@21..28 "default"
WHITESPACE@28..29 " "
TYPE_KW@29..33 "type"
WHITESPACE@33..34 " "
NAME@34..35
IDENT@34..35 "T"
WHITESPACE@35..36 " "
EQ@36..37 "="
WHITESPACE@37..38 " "
PATH_TYPE@38..41
PATH@38..41
PATH_SEGMENT@38..41
NAME_REF@38..41
IDENT@38..41 "Bar"
SEMICOLON@41..42 ";"
WHITESPACE@42..47 "\n "
FN@47..66
DEFAULT_KW@47..54 "default"
WHITESPACE@54..55 " "
FN_KW@55..57 "fn"
WHITESPACE@57..58 " "
NAME@58..61
IDENT@58..61 "foo"
PARAM_LIST@61..63
L_PAREN@61..62 "("
R_PAREN@62..63 ")"
WHITESPACE@63..64 " "
BLOCK_EXPR@64..66
L_CURLY@64..65 "{"
R_CURLY@65..66 "}"
WHITESPACE@66..67 "\n"
R_CURLY@67..68 "}"
WHITESPACE@68..69 "\n"

4
crates/ra_syntax/test_data/parser/inline/ok/0132_default_fn_type.rs
View File

@ -1,4 +0,0 @@
impl T for Foo {
default type T = Bar;
default fn foo() {}
}

40
crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_fn.rast
View File

@ -1,40 +0,0 @@
SOURCE_FILE@0..50
IMPL@0..49
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..14
PATH@11..14
PATH_SEGMENT@11..14
NAME_REF@11..14
IDENT@11..14 "Foo"
WHITESPACE@14..15 " "
ASSOC_ITEM_LIST@15..49
L_CURLY@15..16 "{"
WHITESPACE@16..21 "\n "
FN@21..47
DEFAULT_KW@21..28 "default"
WHITESPACE@28..29 " "
UNSAFE_KW@29..35 "unsafe"
WHITESPACE@35..36 " "
FN_KW@36..38 "fn"
WHITESPACE@38..39 " "
NAME@39..42
IDENT@39..42 "foo"
PARAM_LIST@42..44
L_PAREN@42..43 "("
R_PAREN@43..44 ")"
WHITESPACE@44..45 " "
BLOCK_EXPR@45..47
L_CURLY@45..46 "{"
R_CURLY@46..47 "}"
WHITESPACE@47..48 "\n"
R_CURLY@48..49 "}"
WHITESPACE@49..50 "\n"

18
crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_impl.rast
View File

@ -1,18 +0,0 @@
SOURCE_FILE@0..27
IMPL@0..26
DEFAULT_KW@0..7 "default"
WHITESPACE@7..8 " "
UNSAFE_KW@8..14 "unsafe"
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"

1
crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_impl.rs
View File

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

44
crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_item.rast Normal file
View File

@ -0,0 +1,44 @@
SOURCE_FILE@0..65
IMPL@0..64
DEFAULT_KW@0..7 "default"
WHITESPACE@7..8 " "
UNSAFE_KW@8..14 "unsafe"
WHITESPACE@14..15 " "
IMPL_KW@15..19 "impl"
WHITESPACE@19..20 " "
PATH_TYPE@20..21
PATH@20..21
PATH_SEGMENT@20..21
NAME_REF@20..21
IDENT@20..21 "T"
WHITESPACE@21..22 " "
FOR_KW@22..25 "for"
WHITESPACE@25..26 " "
PATH_TYPE@26..29
PATH@26..29
PATH_SEGMENT@26..29
NAME_REF@26..29
IDENT@26..29 "Foo"
WHITESPACE@29..30 " "
ASSOC_ITEM_LIST@30..64
L_CURLY@30..31 "{"
WHITESPACE@31..36 "\n "
FN@36..62
DEFAULT_KW@36..43 "default"
WHITESPACE@43..44 " "
UNSAFE_KW@44..50 "unsafe"
WHITESPACE@50..51 " "
FN_KW@51..53 "fn"
WHITESPACE@53..54 " "
NAME@54..57
IDENT@54..57 "foo"
PARAM_LIST@57..59
L_PAREN@57..58 "("
R_PAREN@58..59 ")"
WHITESPACE@59..60 " "
BLOCK_EXPR@60..62
L_CURLY@60..61 "{"
R_CURLY@61..62 "}"
WHITESPACE@62..63 "\n"
R_CURLY@63..64 "}"
WHITESPACE@64..65 "\n"

2
crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_fn.rs → crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_item.rs
View File

@ -1,3 +1,3 @@
impl T for Foo {
default unsafe impl T for Foo {
default unsafe fn foo() {}
}

24
crates/ra_syntax/test_data/parser/inline/ok/0164_default_item.rast Normal file
View File

@ -0,0 +1,24 @@
SOURCE_FILE@0..26
IMPL@0..25
DEFAULT_KW@0..7 "default"
WHITESPACE@7..8 " "
IMPL_KW@8..12 "impl"
WHITESPACE@12..13 " "
PATH_TYPE@13..14
PATH@13..14
PATH_SEGMENT@13..14
NAME_REF@13..14
IDENT@13..14 "T"
WHITESPACE@14..15 " "
FOR_KW@15..18 "for"
WHITESPACE@18..19 " "
PATH_TYPE@19..22
PATH@19..22
PATH_SEGMENT@19..22
NAME_REF@19..22
IDENT@19..22 "Foo"
WHITESPACE@22..23 " "
ASSOC_ITEM_LIST@23..25
L_CURLY@23..24 "{"
R_CURLY@24..25 "}"
WHITESPACE@25..26 "\n"

1
crates/ra_syntax/test_data/parser/inline/ok/0164_default_item.rs Normal file
View File

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

44
crates/ra_syntax/test_data/parser/ok/0066_default_const.rast
View File

@ -1,44 +0,0 @@
SOURCE_FILE@0..46
IMPL@0..45
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..14
PATH@11..14
PATH_SEGMENT@11..14
NAME_REF@11..14
IDENT@11..14 "Foo"
WHITESPACE@14..15 " "
ASSOC_ITEM_LIST@15..45
L_CURLY@15..16 "{"
WHITESPACE@16..19 "\n "
CONST@19..43
DEFAULT_KW@19..26 "default"
WHITESPACE@26..27 " "
CONST_KW@27..32 "const"
WHITESPACE@32..33 " "
NAME@33..34
IDENT@33..34 "f"
COLON@34..35 ":"
WHITESPACE@35..36 " "
PATH_TYPE@36..38
PATH@36..38
PATH_SEGMENT@36..38
NAME_REF@36..38
IDENT@36..38 "u8"
WHITESPACE@38..39 " "
EQ@39..40 "="
WHITESPACE@40..41 " "
LITERAL@41..42
INT_NUMBER@41..42 "0"
SEMICOLON@42..43 ";"
WHITESPACE@43..44 "\n"
R_CURLY@44..45 "}"
WHITESPACE@45..46 "\n"

3
crates/ra_syntax/test_data/parser/ok/0066_default_const.rs
View File

@ -1,3 +0,0 @@
impl T for Foo {
default const f: u8 = 0;
}

218
crates/ra_syntax/test_data/parser/ok/0066_default_modifier.rast Normal file
View File

@ -0,0 +1,218 @@
SOURCE_FILE@0..294
TRAIT@0..113
TRAIT_KW@0..5 "trait"
WHITESPACE@5..6 " "
NAME@6..7
IDENT@6..7 "T"
WHITESPACE@7..8 " "
ASSOC_ITEM_LIST@8..113
L_CURLY@8..9 "{"
WHITESPACE@9..12 "\n "
TYPE_ALIAS@12..33
DEFAULT_KW@12..19 "default"
WHITESPACE@19..20 " "
TYPE_KW@20..24 "type"
WHITESPACE@24..25 " "
NAME@25..26
IDENT@25..26 "T"
WHITESPACE@26..27 " "
EQ@27..28 "="
WHITESPACE@28..29 " "
PATH_TYPE@29..32
PATH@29..32
PATH_SEGMENT@29..32
NAME_REF@29..32
IDENT@29..32 "Bar"
SEMICOLON@32..33 ";"
WHITESPACE@33..36 "\n "
CONST@36..60
DEFAULT_KW@36..43 "default"
WHITESPACE@43..44 " "
CONST_KW@44..49 "const"
WHITESPACE@49..50 " "
NAME@50..51
IDENT@50..51 "f"
COLON@51..52 ":"
WHITESPACE@52..53 " "
PATH_TYPE@53..55
PATH@53..55
PATH_SEGMENT@53..55
NAME_REF@53..55
IDENT@53..55 "u8"
WHITESPACE@55..56 " "
EQ@56..57 "="
WHITESPACE@57..58 " "
LITERAL@58..59
INT_NUMBER@58..59 "0"
SEMICOLON@59..60 ";"
WHITESPACE@60..63 "\n "
FN@63..82
DEFAULT_KW@63..70 "default"
WHITESPACE@70..71 " "
FN_KW@71..73 "fn"
WHITESPACE@73..74 " "
NAME@74..77
IDENT@74..77 "foo"
PARAM_LIST@77..79
L_PAREN@77..78 "("
R_PAREN@78..79 ")"
WHITESPACE@79..80 " "
BLOCK_EXPR@80..82
L_CURLY@80..81 "{"
R_CURLY@81..82 "}"
WHITESPACE@82..85 "\n "
FN@85..111
DEFAULT_KW@85..92 "default"
WHITESPACE@92..93 " "
UNSAFE_KW@93..99 "unsafe"
WHITESPACE@99..100 " "
FN_KW@100..102 "fn"
WHITESPACE@102..103 " "
NAME@103..106
IDENT@103..106 "bar"
PARAM_LIST@106..108
L_PAREN@106..107 "("
R_PAREN@107..108 ")"
WHITESPACE@108..109 " "
BLOCK_EXPR@109..111
L_CURLY@109..110 "{"
R_CURLY@110..111 "}"
WHITESPACE@111..112 "\n"
R_CURLY@112..113 "}"
WHITESPACE@113..115 "\n\n"
IMPL@115..235
IMPL_KW@115..119 "impl"
WHITESPACE@119..120 " "
PATH_TYPE@120..121
PATH@120..121
PATH_SEGMENT@120..121
NAME_REF@120..121
IDENT@120..121 "T"
WHITESPACE@121..122 " "
FOR_KW@122..125 "for"
WHITESPACE@125..126 " "
PATH_TYPE@126..129
PATH@126..129
PATH_SEGMENT@126..129
NAME_REF@126..129
IDENT@126..129 "Foo"
WHITESPACE@129..130 " "
ASSOC_ITEM_LIST@130..235
L_CURLY@130..131 "{"
WHITESPACE@131..134 "\n "
TYPE_ALIAS@134..155
DEFAULT_KW@134..141 "default"
WHITESPACE@141..142 " "
TYPE_KW@142..146 "type"
WHITESPACE@146..147 " "
NAME@147..148
IDENT@147..148 "T"
WHITESPACE@148..149 " "
EQ@149..150 "="
WHITESPACE@150..151 " "
PATH_TYPE@151..154
PATH@151..154
PATH_SEGMENT@151..154
NAME_REF@151..154
IDENT@151..154 "Bar"
SEMICOLON@154..155 ";"
WHITESPACE@155..158 "\n "
CONST@158..182
DEFAULT_KW@158..165 "default"
WHITESPACE@165..166 " "
CONST_KW@166..171 "const"
WHITESPACE@171..172 " "
NAME@172..173
IDENT@172..173 "f"
COLON@173..174 ":"
WHITESPACE@174..175 " "
PATH_TYPE@175..177
PATH@175..177
PATH_SEGMENT@175..177
NAME_REF@175..177
IDENT@175..177 "u8"
WHITESPACE@177..178 " "
EQ@178..179 "="
WHITESPACE@179..180 " "
LITERAL@180..181
INT_NUMBER@180..181 "0"
SEMICOLON@181..182 ";"
WHITESPACE@182..185 "\n "
FN@185..204
DEFAULT_KW@185..192 "default"
WHITESPACE@192..193 " "
FN_KW@193..195 "fn"
WHITESPACE@195..196 " "
NAME@196..199
IDENT@196..199 "foo"
PARAM_LIST@199..201
L_PAREN@199..200 "("
R_PAREN@200..201 ")"
WHITESPACE@201..202 " "
BLOCK_EXPR@202..204
L_CURLY@202..203 "{"
R_CURLY@203..204 "}"
WHITESPACE@204..207 "\n "
FN@207..233
DEFAULT_KW@207..214 "default"
WHITESPACE@214..215 " "
UNSAFE_KW@215..221 "unsafe"
WHITESPACE@221..222 " "
FN_KW@222..224 "fn"
WHITESPACE@224..225 " "
NAME@225..228
IDENT@225..228 "bar"
PARAM_LIST@228..230
L_PAREN@228..229 "("
R_PAREN@229..230 ")"
WHITESPACE@230..231 " "
BLOCK_EXPR@231..233
L_CURLY@231..232 "{"
R_CURLY@232..233 "}"
WHITESPACE@233..234 "\n"
R_CURLY@234..235 "}"
WHITESPACE@235..237 "\n\n"
IMPL@237..261
DEFAULT_KW@237..244 "default"
WHITESPACE@244..245 " "
IMPL_KW@245..249 "impl"
WHITESPACE@249..250 " "
PATH_TYPE@250..251
PATH@250..251
PATH_SEGMENT@250..251
NAME_REF@250..251
IDENT@250..251 "T"
WHITESPACE@251..252 " "
FOR_KW@252..255 "for"
WHITESPACE@255..256 " "
TUPLE_TYPE@256..258
L_PAREN@256..257 "("
R_PAREN@257..258 ")"
WHITESPACE@258..259 " "
ASSOC_ITEM_LIST@259..261
L_CURLY@259..260 "{"
R_CURLY@260..261 "}"
WHITESPACE@261..262 "\n"
IMPL@262..293
DEFAULT_KW@262..269 "default"
WHITESPACE@269..270 " "
UNSAFE_KW@270..276 "unsafe"
WHITESPACE@276..277 " "
IMPL_KW@277..281 "impl"
WHITESPACE@281..282 " "
PATH_TYPE@282..283
PATH@282..283
PATH_SEGMENT@282..283
NAME_REF@282..283
IDENT@282..283 "T"
WHITESPACE@283..284 " "
FOR_KW@284..287 "for"
WHITESPACE@287..288 " "
TUPLE_TYPE@288..290
L_PAREN@288..289 "("
R_PAREN@289..290 ")"
WHITESPACE@290..291 " "
ASSOC_ITEM_LIST@291..293
L_CURLY@291..292 "{"
R_CURLY@292..293 "}"
WHITESPACE@293..294 "\n"

16
crates/ra_syntax/test_data/parser/ok/0066_default_modifier.rs Normal file
View File

@ -0,0 +1,16 @@
trait T {
default type T = Bar;
default const f: u8 = 0;
default fn foo() {}
default unsafe fn bar() {}
}
impl T for Foo {
default type T = Bar;
default const f: u8 = 0;
default fn foo() {}
default unsafe fn bar() {}
}
default impl T for () {}
default unsafe impl T for () {}