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体验新版 GitCode,发现更多精彩内容 >>
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b4aa1f2f
编写于
7月 05, 2018
作者:
D
Douglas Campos
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差异文件
extract helper fn
上级
af727dfd
变更
1
隐藏空白更改
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并排
Showing
1 changed file
with
20 addition
and
9 deletion
+20
-9
src/librustc_resolve/lib.rs
src/librustc_resolve/lib.rs
+20
-9
未找到文件。
src/librustc_resolve/lib.rs
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b4aa1f2f
...
...
@@ -4232,16 +4232,10 @@ fn get_traits_in_module_containing_item(&mut self,
}
}
/// When name resolution fails, this method can be used to look up candidate
/// entities with the expected name. It allows filtering them using the
/// supplied predicate (which should be used to only accept the types of
/// definitions expected e.g. traits). The lookup spans across all crates.
///
/// NOTE: The method does not look into imports, but this is not a problem,
/// since we report the definitions (thus, the de-aliased imports).
fn
lookup_import_candidates
<
FilterFn
>
(
&
mut
self
,
fn
lookup_import_candidates_from_module
<
FilterFn
>
(
&
mut
self
,
lookup_name
:
Name
,
namespace
:
Namespace
,
start_module
:
&
'a
ModuleData
<
'a
>
,
filter_fn
:
FilterFn
)
->
Vec
<
ImportSuggestion
>
where
FilterFn
:
Fn
(
Def
)
->
bool
...
...
@@ -4249,7 +4243,7 @@ fn lookup_import_candidates<FilterFn>(&mut self,
let
mut
candidates
=
Vec
::
new
();
let
mut
worklist
=
Vec
::
new
();
let
mut
seen_modules
=
FxHashSet
();
worklist
.push
((
s
elf
.graph_root
,
Vec
::
new
(),
false
));
worklist
.push
((
s
tart_module
,
Vec
::
new
(),
false
));
while
let
Some
((
in_module
,
path_segments
,
...
...
@@ -4318,6 +4312,23 @@ fn lookup_import_candidates<FilterFn>(&mut self,
candidates
}
/// When name resolution fails, this method can be used to look up candidate
/// entities with the expected name. It allows filtering them using the
/// supplied predicate (which should be used to only accept the types of
/// definitions expected e.g. traits). The lookup spans across all crates.
///
/// NOTE: The method does not look into imports, but this is not a problem,
/// since we report the definitions (thus, the de-aliased imports).
fn
lookup_import_candidates
<
FilterFn
>
(
&
mut
self
,
lookup_name
:
Name
,
namespace
:
Namespace
,
filter_fn
:
FilterFn
)
->
Vec
<
ImportSuggestion
>
where
FilterFn
:
Fn
(
Def
)
->
bool
{
self
.lookup_import_candidates_from_module
(
lookup_name
,
namespace
,
self
.graph_root
,
filter_fn
)
}
fn
find_module
(
&
mut
self
,
module_def
:
Def
)
->
Option
<
(
Module
<
'a
>
,
ImportSuggestion
)
>
...
...
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