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体验新版 GitCode,发现更多精彩内容 >>
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提交
326914ae
编写于
1月 10, 2020
作者:
A
Alex Dima
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电子邮件补丁
差异文件
Avoid object churn
上级
efd7f099
变更
2
显示空白变更内容
内联
并排
Showing
2 changed file
with
21 addition
and
7 deletion
+21
-7
src/vs/editor/common/viewModel/characterHardWrappingLineMapper.ts
...ditor/common/viewModel/characterHardWrappingLineMapper.ts
+17
-3
src/vs/editor/common/viewModel/splitLinesCollection.ts
src/vs/editor/common/viewModel/splitLinesCollection.ts
+4
-4
未找到文件。
src/vs/editor/common/viewModel/characterHardWrappingLineMapper.ts
浏览文件 @
326914ae
...
@@ -94,6 +94,8 @@ export class CharacterHardWrappingLineMapperFactory implements ILineMapperFactor
...
@@ -94,6 +94,8 @@ export class CharacterHardWrappingLineMapperFactory implements ILineMapperFactor
}
}
}
}
let
arrPool1
:
number
[]
=
[];
let
arrPool2
:
number
[]
=
[];
function
createLineMappingFromPreviousLineMapping
(
classifier
:
WrappingCharacterClassifier
,
previousBreakingData
:
LineBreakingData
,
lineText
:
string
,
tabSize
:
number
,
firstLineBreakingColumn
:
number
,
columnsForFullWidthChar
:
number
,
hardWrappingIndent
:
WrappingIndent
):
LineBreakingData
|
null
{
function
createLineMappingFromPreviousLineMapping
(
classifier
:
WrappingCharacterClassifier
,
previousBreakingData
:
LineBreakingData
,
lineText
:
string
,
tabSize
:
number
,
firstLineBreakingColumn
:
number
,
columnsForFullWidthChar
:
number
,
hardWrappingIndent
:
WrappingIndent
):
LineBreakingData
|
null
{
if
(
firstLineBreakingColumn
===
-
1
)
{
if
(
firstLineBreakingColumn
===
-
1
)
{
return
null
;
return
null
;
...
@@ -110,8 +112,8 @@ function createLineMappingFromPreviousLineMapping(classifier: WrappingCharacterC
...
@@ -110,8 +112,8 @@ function createLineMappingFromPreviousLineMapping(classifier: WrappingCharacterC
const
wrappedTextIndentLength
=
computeWrappedTextIndentLength
(
lineText
,
tabSize
,
firstLineBreakingColumn
,
columnsForFullWidthChar
,
hardWrappingIndent
);
const
wrappedTextIndentLength
=
computeWrappedTextIndentLength
(
lineText
,
tabSize
,
firstLineBreakingColumn
,
columnsForFullWidthChar
,
hardWrappingIndent
);
const
wrappedLineBreakingColumn
=
firstLineBreakingColumn
-
wrappedTextIndentLength
;
const
wrappedLineBreakingColumn
=
firstLineBreakingColumn
-
wrappedTextIndentLength
;
let
breakingOffsets
:
number
[]
=
[]
;
let
breakingOffsets
:
number
[]
=
arrPool1
;
let
breakingOffsetsVisibleColumn
:
number
[]
=
[]
;
let
breakingOffsetsVisibleColumn
:
number
[]
=
arrPool2
;
let
breakingOffsetsCount
:
number
=
0
;
let
breakingOffsetsCount
:
number
=
0
;
let
breakingColumn
=
firstLineBreakingColumn
;
let
breakingColumn
=
firstLineBreakingColumn
;
...
@@ -307,7 +309,19 @@ function createLineMappingFromPreviousLineMapping(classifier: WrappingCharacterC
...
@@ -307,7 +309,19 @@ function createLineMappingFromPreviousLineMapping(classifier: WrappingCharacterC
return
null
;
return
null
;
}
}
return
new
LineBreakingData
(
firstLineBreakingColumn
,
breakingOffsets
,
breakingOffsetsVisibleColumn
,
wrappedTextIndentLength
);
// Doing here some object reuse which ends up helping a huge deal with GC pauses!
breakingOffsets
.
length
=
breakingOffsetsCount
;
breakingOffsetsVisibleColumn
.
length
=
breakingOffsetsCount
;
arrPool1
=
previousBreakingData
.
breakOffsets
;
arrPool2
=
previousBreakingData
.
breakingOffsetsVisibleColumn
;
previousBreakingData
.
breakingColumn
=
firstLineBreakingColumn
;
previousBreakingData
.
breakOffsets
=
breakingOffsets
;
previousBreakingData
.
breakingOffsetsVisibleColumn
=
breakingOffsetsVisibleColumn
;
previousBreakingData
.
wrappedTextIndentLength
=
wrappedTextIndentLength
;
return
previousBreakingData
;
// return new LineBreakingData(firstLineBreakingColumn, breakingOffsets, breakingOffsetsVisibleColumn, wrappedTextIndentLength);
// const expected = createLineMapping(classifier, lineText, tabSize, firstLineBreakingColumn, columnsForFullWidthChar, hardWrappingIndent);
// const expected = createLineMapping(classifier, lineText, tabSize, firstLineBreakingColumn, columnsForFullWidthChar, hardWrappingIndent);
// const actual = new LineBreakingData(firstLineBreakingColumn, breakingOffsets, breakingOffsetsVisibleColumn, wrappedTextIndentLength);
// const actual = new LineBreakingData(firstLineBreakingColumn, breakingOffsets, breakingOffsetsVisibleColumn, wrappedTextIndentLength);
// try {
// try {
...
...
src/vs/editor/common/viewModel/splitLinesCollection.ts
浏览文件 @
326914ae
...
@@ -28,10 +28,10 @@ export class OutputPosition {
...
@@ -28,10 +28,10 @@ export class OutputPosition {
export
class
LineBreakingData
{
export
class
LineBreakingData
{
constructor
(
constructor
(
public
readonly
breakingColumn
:
number
,
public
breakingColumn
:
number
,
public
readonly
breakOffsets
:
number
[],
public
breakOffsets
:
number
[],
public
readonly
breakingOffsetsVisibleColumn
:
number
[],
public
breakingOffsetsVisibleColumn
:
number
[],
public
readonly
wrappedTextIndentLength
:
number
public
wrappedTextIndentLength
:
number
)
{
}
)
{
}
assertEqual
(
other
:
LineBreakingData
|
null
):
void
{
assertEqual
(
other
:
LineBreakingData
|
null
):
void
{
...
...
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