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d39218a3
编写于
11月 10, 2016
作者:
C
CyrusNajmabadi
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
Reduce allocations when creating sytem items.
上级
6b0afc57
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
40 addition
and
33 deletion
+40
-33
src/Compilers/CSharp/Portable/Syntax/SyntaxFactory.cs
src/Compilers/CSharp/Portable/Syntax/SyntaxFactory.cs
+2
-11
src/Compilers/Core/Portable/Syntax/SyntaxTriviaList.cs
src/Compilers/Core/Portable/Syntax/SyntaxTriviaList.cs
+21
-10
src/Compilers/Core/Portable/Syntax/SyntaxTriviaListBuilder.cs
...Compilers/Core/Portable/Syntax/SyntaxTriviaListBuilder.cs
+13
-0
src/Compilers/VisualBasic/Portable/Syntax/SyntaxExtensions.vb
...Compilers/VisualBasic/Portable/Syntax/SyntaxExtensions.vb
+1
-4
src/Compilers/VisualBasic/Portable/Syntax/SyntaxNodeFactories.vb
...pilers/VisualBasic/Portable/Syntax/SyntaxNodeFactories.vb
+3
-8
未找到文件。
src/Compilers/CSharp/Portable/Syntax/SyntaxFactory.cs
浏览文件 @
d39218a3
...
...
@@ -1366,17 +1366,8 @@ public static SyntaxTriviaList TriviaList(params SyntaxTrivia[] trivias)
/// <param name="trivias">A sequence of trivia.</param>
public
static
SyntaxTriviaList
TriviaList
(
IEnumerable
<
SyntaxTrivia
>
trivias
)
{
if
(
trivias
==
null
)
{
return
default
(
SyntaxTriviaList
);
}
SyntaxTriviaListBuilder
builder
=
SyntaxTriviaListBuilder
.
Create
();
foreach
(
SyntaxTrivia
trivia
in
trivias
)
{
builder
.
Add
(
trivia
);
}
var
builder
=
SyntaxTriviaListBuilder
.
Create
();
builder
.
AddRange
(
trivias
);
return
builder
.
ToList
();
}
...
...
src/Compilers/Core/Portable/Syntax/SyntaxTriviaList.cs
浏览文件 @
d39218a3
...
...
@@ -3,11 +3,12 @@
using
System
;
using
System.Collections
;
using
System.Collections.Generic
;
using
System.Linq
;
using
System.Diagnostics
;
using
System.Linq
;
using
System.Runtime.InteropServices
;
using
Microsoft.CodeAnalysis.Syntax
;
using
Microsoft.CodeAnalysis.Text
;
using
Roslyn.Utilities
;
using
System.Runtime.InteropServices
;
namespace
Microsoft.CodeAnalysis
{
...
...
@@ -248,21 +249,31 @@ public SyntaxTriviaList InsertRange(int index, IEnumerable<SyntaxTrivia> trivia)
throw
new
ArgumentOutOfRangeException
(
nameof
(
index
));
}
var
items
=
trivia
.
ToList
();
if
(
items
.
Count
==
0
)
if
(
trivia
==
null
)
{
return
this
;
throw
new
ArgumentNullException
(
nameof
(
trivia
))
;
}
var
list
=
this
.
ToList
();
list
.
InsertRange
(
index
,
items
);
var
builder
=
SyntaxTriviaListBuilder
.
Create
();
var
current
=
0
;
foreach
(
var
thisTrivia
in
this
)
{
if
(
current
==
index
)
{
builder
.
AddRange
(
trivia
);
}
builder
.
Add
(
thisTrivia
);
current
++;
}
if
(
list
.
Count
==
0
)
if
(
current
==
index
)
{
return
this
;
builder
.
AddRange
(
trivia
)
;
}
return
new
SyntaxTriviaList
(
default
(
SyntaxToken
),
list
[
0
].
UnderlyingNode
.
CreateList
(
list
.
Select
(
n
=>
n
.
UnderlyingNode
)),
0
,
0
);
return
builder
.
ToList
(
);
}
/// <summary>
...
...
src/Compilers/Core/Portable/Syntax/SyntaxTriviaListBuilder.cs
浏览文件 @
d39218a3
// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using
System
;
using
System.Collections
;
using
System.Collections.Generic
;
namespace
Microsoft.CodeAnalysis.Syntax
{
...
...
@@ -42,6 +44,17 @@ public void Clear()
}
}
public
void
AddRange
(
IEnumerable
<
SyntaxTrivia
>
items
)
{
if
(
items
!=
null
)
{
foreach
(
var
item
in
items
)
{
this
.
Add
(
item
);
}
}
}
public
SyntaxTriviaListBuilder
Add
(
SyntaxTrivia
item
)
{
if
(
_nodes
==
null
||
_count
>=
_nodes
.
Length
)
...
...
src/Compilers/VisualBasic/Portable/Syntax/SyntaxExtensions.vb
浏览文件 @
d39218a3
...
...
@@ -15,10 +15,7 @@ Namespace Microsoft.CodeAnalysis.VisualBasic
<
Extension
()
>
Public
Function
ToSyntaxTriviaList
(
sequence
As
IEnumerable
(
Of
SyntaxTrivia
))
As
SyntaxTriviaList
Return
SyntaxFactory
.
TriviaList
(
sequence
.
Aggregate
(
New
List
(
Of
SyntaxTrivia
),
Function
(
list
,
trivia
)
list
.
Add
(
trivia
)
Return
list
End
Function
))
Return
SyntaxFactory
.
TriviaList
(
sequence
)
End
Function
<
Extension
()
>
...
...
src/Compilers/VisualBasic/Portable/Syntax/SyntaxNodeFactories.vb
浏览文件 @
d39218a3
...
...
@@ -825,14 +825,9 @@ Namespace Microsoft.CodeAnalysis.VisualBasic
''' </summary>
''' <param name="trivias">A sequence of trivia.</param>
Public
Shared
Function
TriviaList
(
trivias
As
IEnumerable
(
Of
SyntaxTrivia
))
As
SyntaxTriviaList
If
trivias
IsNot
Nothing
Then
Dim
builder
=
SyntaxTriviaListBuilder
.
Create
()
For
Each
t
In
trivias
builder
.
Add
(
t
)
Next
Return
builder
.
ToList
End
If
Return
New
SyntaxTriviaList
()
Dim
builder
=
SyntaxTriviaListBuilder
.
Create
()
builder
.
AddRange
(
trivias
)
Return
builder
.
ToList
()
End
Function
''' <summary>
...
...
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