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6a5e6572
编写于
8月 22, 2020
作者:
V
Vadim Petrochenkov
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电子邮件补丁
差异文件
rustc_metadata: Move some code around to merge impls of `CrateMetadataRef`
上级
15643d5d
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
51 addition
and
53 deletion
+51
-53
src/librustc_metadata/rmeta/decoder.rs
src/librustc_metadata/rmeta/decoder.rs
+51
-53
未找到文件。
src/librustc_metadata/rmeta/decoder.rs
浏览文件 @
6a5e6572
...
...
@@ -1521,6 +1521,57 @@ fn def_path(&self, id: DefIndex) -> DefPath {
DefPath
::
make
(
self
.cnum
,
id
,
|
parent
|
self
.def_key
(
parent
))
}
fn
def_path_hash_unlocked
(
&
self
,
index
:
DefIndex
,
def_path_hashes
:
&
mut
FxHashMap
<
DefIndex
,
DefPathHash
>
,
)
->
DefPathHash
{
*
def_path_hashes
.entry
(
index
)
.or_insert_with
(||
{
self
.root.tables.def_path_hashes
.get
(
self
,
index
)
.unwrap
()
.decode
(
self
)
})
}
#[inline]
fn
def_path_hash
(
&
self
,
index
:
DefIndex
)
->
DefPathHash
{
let
mut
def_path_hashes
=
self
.def_path_hash_cache
.lock
();
self
.def_path_hash_unlocked
(
index
,
&
mut
def_path_hashes
)
}
fn
all_def_path_hashes_and_def_ids
(
&
self
)
->
Vec
<
(
DefPathHash
,
DefId
)
>
{
let
mut
def_path_hashes
=
self
.def_path_hash_cache
.lock
();
(
0
..
self
.num_def_ids
())
.map
(|
index
|
{
let
index
=
DefIndex
::
from_usize
(
index
);
(
self
.def_path_hash_unlocked
(
index
,
&
mut
def_path_hashes
),
self
.local_def_id
(
index
))
})
.collect
()
}
/// Get the `DepNodeIndex` corresponding this crate. The result of this
/// method is cached in the `dep_node_index` field.
fn
get_crate_dep_node_index
(
&
self
,
tcx
:
TyCtxt
<
'tcx
>
)
->
DepNodeIndex
{
let
mut
dep_node_index
=
self
.dep_node_index
.load
();
if
unlikely!
(
dep_node_index
==
DepNodeIndex
::
INVALID
)
{
// We have not cached the DepNodeIndex for this upstream crate yet,
// so use the dep-graph to find it out and cache it.
// Note that multiple threads can enter this block concurrently.
// That is fine because the DepNodeIndex remains constant
// throughout the whole compilation session, and multiple stores
// would always write the same value.
let
def_path_hash
=
self
.def_path_hash
(
CRATE_DEF_INDEX
);
let
dep_node
=
DepNode
::
from_def_path_hash
(
def_path_hash
,
dep_graph
::
DepKind
::
CrateMetadata
);
dep_node_index
=
tcx
.dep_graph
.dep_node_index_of
(
&
dep_node
);
assert
!
(
dep_node_index
!=
DepNodeIndex
::
INVALID
);
self
.dep_node_index
.store
(
dep_node_index
);
}
dep_node_index
}
/// Imports the source_map from an external crate into the source_map of the crate
/// currently being compiled (the "local crate").
///
...
...
@@ -1845,59 +1896,6 @@ fn reverse_translate_def_id(&self, did: DefId) -> Option<DefId> {
}
}
impl
<
'a
,
'tcx
>
CrateMetadataRef
<
'a
>
{
fn
def_path_hash_unlocked
(
&
self
,
index
:
DefIndex
,
def_path_hashes
:
&
mut
FxHashMap
<
DefIndex
,
DefPathHash
>
,
)
->
DefPathHash
{
*
def_path_hashes
.entry
(
index
)
.or_insert_with
(||
{
self
.root.tables.def_path_hashes
.get
(
self
,
index
)
.unwrap
()
.decode
(
self
)
})
}
#[inline]
fn
def_path_hash
(
&
self
,
index
:
DefIndex
)
->
DefPathHash
{
let
mut
def_path_hashes
=
self
.def_path_hash_cache
.lock
();
self
.def_path_hash_unlocked
(
index
,
&
mut
def_path_hashes
)
}
fn
all_def_path_hashes_and_def_ids
(
&
self
)
->
Vec
<
(
DefPathHash
,
DefId
)
>
{
let
mut
def_path_hashes
=
self
.def_path_hash_cache
.lock
();
(
0
..
self
.num_def_ids
())
.map
(|
index
|
{
let
index
=
DefIndex
::
from_usize
(
index
);
(
self
.def_path_hash_unlocked
(
index
,
&
mut
def_path_hashes
),
self
.local_def_id
(
index
))
})
.collect
()
}
/// Get the `DepNodeIndex` corresponding this crate. The result of this
/// method is cached in the `dep_node_index` field.
fn
get_crate_dep_node_index
(
&
self
,
tcx
:
TyCtxt
<
'tcx
>
)
->
DepNodeIndex
{
let
mut
dep_node_index
=
self
.dep_node_index
.load
();
if
unlikely!
(
dep_node_index
==
DepNodeIndex
::
INVALID
)
{
// We have not cached the DepNodeIndex for this upstream crate yet,
// so use the dep-graph to find it out and cache it.
// Note that multiple threads can enter this block concurrently.
// That is fine because the DepNodeIndex remains constant
// throughout the whole compilation session, and multiple stores
// would always write the same value.
let
def_path_hash
=
self
.def_path_hash
(
CRATE_DEF_INDEX
);
let
dep_node
=
DepNode
::
from_def_path_hash
(
def_path_hash
,
dep_graph
::
DepKind
::
CrateMetadata
);
dep_node_index
=
tcx
.dep_graph
.dep_node_index_of
(
&
dep_node
);
assert
!
(
dep_node_index
!=
DepNodeIndex
::
INVALID
);
self
.dep_node_index
.store
(
dep_node_index
);
}
dep_node_index
}
}
// Cannot be implemented on 'ProcMacro', as libproc_macro
// does not depend on librustc_ast
fn
macro_kind
(
raw
:
&
ProcMacro
)
->
MacroKind
{
...
...
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