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体验新版 GitCode,发现更多精彩内容 >>
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70b3ae59
编写于
9月 14, 2015
作者:
D
Dustin Campbell
浏览文件
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浏览文件
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电子邮件补丁
差异文件
Clean up C# AttributeNamedParameterCompletionProvider
上级
78e5e35f
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
71 addition
and
74 deletion
+71
-74
src/Features/CSharp/Portable/Completion/CompletionProviders/AttributeNamedParameterCompletionProvider.cs
...ionProviders/AttributeNamedParameterCompletionProvider.cs
+71
-74
未找到文件。
src/Features/CSharp/Portable/Completion/CompletionProviders/AttributeNamedParameterCompletionProvider.cs
浏览文件 @
70b3ae59
...
...
@@ -7,7 +7,6 @@
using
System.Threading.Tasks
;
using
Microsoft.CodeAnalysis
;
using
Microsoft.CodeAnalysis.Completion
;
using
Microsoft.CodeAnalysis.Completion.Providers
;
using
Microsoft.CodeAnalysis.CSharp.Extensions
;
using
Microsoft.CodeAnalysis.CSharp.Syntax
;
using
Microsoft.CodeAnalysis.Options
;
...
...
@@ -17,7 +16,7 @@
namespace
Microsoft.CodeAnalysis.CSharp.Completion.Providers
{
internal
partial
class
AttributeNamedParameterCompletionProvider
:
AbstractCompletion
Provider
internal
partial
class
AttributeNamedParameterCompletionProvider
:
CompletionList
Provider
{
private
const
string
EqualsString
=
"="
;
private
const
string
SpaceEqualsString
=
" ="
;
...
...
@@ -28,13 +27,58 @@ public override bool IsTriggerCharacter(SourceText text, int characterPosition,
return
CompletionUtilities
.
IsTriggerCharacter
(
text
,
characterPosition
,
options
);
}
p
rotected
override
async
Task
<
bool
>
IsExclusiveAsync
(
Document
document
,
int
caretPosition
,
CompletionTriggerInfo
triggerInfo
,
CancellationToken
cancellationToken
)
p
ublic
override
async
Task
ProduceCompletionListAsync
(
CompletionListContext
context
)
{
var
document
=
context
.
Document
;
var
position
=
context
.
Position
;
var
cancellationToken
=
context
.
CancellationToken
;
var
syntaxTree
=
await
document
.
GetSyntaxTreeAsync
(
cancellationToken
).
ConfigureAwait
(
false
);
var
token
=
syntaxTree
.
FindTokenOnLeftOfPosition
(
caretPosition
,
cancellationToken
)
.
GetPreviousTokenIfTouchingWord
(
caretPosition
);
if
(
syntaxTree
.
IsInNonUserCode
(
position
,
cancellationToken
))
{
return
;
}
var
token
=
syntaxTree
.
FindTokenOnLeftOfPosition
(
position
,
cancellationToken
);
token
=
token
.
GetPreviousTokenIfTouchingWord
(
position
);
if
(!
token
.
IsKind
(
SyntaxKind
.
OpenParenToken
,
SyntaxKind
.
CommaToken
))
{
return
;
}
var
attributeArgumentList
=
token
.
Parent
as
AttributeArgumentListSyntax
;
var
attributeSyntax
=
token
.
Parent
.
Parent
as
AttributeSyntax
;
if
(
attributeSyntax
==
null
||
attributeArgumentList
==
null
)
{
return
;
}
if
(
IsAfterNameColonArgument
(
token
)
||
IsAfterNameEqualsArgument
(
token
))
{
context
.
MakeExclusive
(
true
);
}
// We actually want to collect two sets of named parameters to present the user. The
// normal named parameters that come from the attribute constructors. These will be
// presented like "foo:". And also the named parameters that come from the writable
// fields/properties in the attribute. These will be presented like "bar =".
var
existingNamedParameters
=
GetExistingNamedParameters
(
attributeArgumentList
,
position
);
var
workspace
=
document
.
Project
.
Solution
.
Workspace
;
var
semanticModel
=
await
document
.
GetSemanticModelForNodeAsync
(
attributeSyntax
,
cancellationToken
).
ConfigureAwait
(
false
);
var
nameColonItems
=
await
GetNameColonItemsAsync
(
workspace
,
semanticModel
,
position
,
token
,
attributeSyntax
,
existingNamedParameters
,
cancellationToken
).
ConfigureAwait
(
false
);
var
nameEqualsItems
=
await
GetNameEqualsItemsAsync
(
workspace
,
semanticModel
,
position
,
token
,
attributeSyntax
,
existingNamedParameters
,
cancellationToken
).
ConfigureAwait
(
false
);
context
.
AddItems
(
nameEqualsItems
);
return
IsAfterNameColonArgument
(
token
)
||
IsAfterNameEqualsArgument
(
token
);
// If we're after a name= parameter, then we only want to show name= parameters.
// Otherwise, show name: parameters too.
if
(!
IsAfterNameEqualsArgument
(
token
))
{
context
.
AddItems
(
nameColonItems
);
}
}
private
bool
IsAfterNameColonArgument
(
SyntaxToken
token
)
...
...
@@ -89,51 +133,6 @@ private bool IsAfterNameEqualsArgument(SyntaxToken token)
return
false
;
}
protected
override
async
Task
<
IEnumerable
<
CompletionItem
>>
GetItemsWorkerAsync
(
Document
document
,
int
position
,
CompletionTriggerInfo
triggerInfo
,
CancellationToken
cancellationToken
)
{
var
syntaxTree
=
await
document
.
GetSyntaxTreeAsync
(
cancellationToken
).
ConfigureAwait
(
false
);
if
(
syntaxTree
.
IsInNonUserCode
(
position
,
cancellationToken
))
{
return
null
;
}
var
token
=
syntaxTree
.
FindTokenOnLeftOfPosition
(
position
,
cancellationToken
);
token
=
token
.
GetPreviousTokenIfTouchingWord
(
position
);
if
(
token
.
Kind
()
!=
SyntaxKind
.
OpenParenToken
&&
token
.
Kind
()
!=
SyntaxKind
.
CommaToken
)
{
return
null
;
}
var
attributeArgumentList
=
token
.
Parent
as
AttributeArgumentListSyntax
;
var
attributeSyntax
=
token
.
Parent
.
Parent
as
AttributeSyntax
;
if
(
attributeSyntax
==
null
||
attributeArgumentList
==
null
)
{
return
null
;
}
// We actually want to collect two sets of named parameters to present the user. The
// normal named parameters that come from the attribute constructors. These will be
// presented like "foo:". And also the named parameters that come from the writable
// fields/properties in the attribute. These will be presented like "bar =".
var
existingNamedParameters
=
GetExistingNamedParameters
(
attributeArgumentList
,
position
);
var
workspace
=
document
.
Project
.
Solution
.
Workspace
;
var
semanticModel
=
await
document
.
GetSemanticModelForNodeAsync
(
attributeSyntax
,
cancellationToken
).
ConfigureAwait
(
false
);
var
nameColonItems
=
await
GetNameColonItemsAsync
(
workspace
,
semanticModel
,
position
,
token
,
attributeSyntax
,
existingNamedParameters
,
cancellationToken
).
ConfigureAwait
(
false
);
var
nameEqualsItems
=
await
GetNameEqualsItemsAsync
(
workspace
,
semanticModel
,
position
,
token
,
attributeSyntax
,
existingNamedParameters
,
cancellationToken
).
ConfigureAwait
(
false
);
// If we're after a name= parameter, then we only want to show name= parameters.
if
(
IsAfterNameEqualsArgument
(
token
))
{
return
nameEqualsItems
;
}
return
nameColonItems
.
Concat
(
nameEqualsItems
);
}
private
async
Task
<
IEnumerable
<
CompletionItem
>>
GetNameEqualsItemsAsync
(
Workspace
workspace
,
SemanticModel
semanticModel
,
int
position
,
SyntaxToken
token
,
AttributeSyntax
attributeSyntax
,
ISet
<
string
>
existingNamedParameters
,
CancellationToken
cancellationToken
)
...
...
@@ -142,17 +141,16 @@ private bool IsAfterNameEqualsArgument(SyntaxToken token)
var
unspecifiedNamedParameters
=
attributeNamedParameters
.
Where
(
p
=>
!
existingNamedParameters
.
Contains
(
p
.
Name
));
var
text
=
await
semanticModel
.
SyntaxTree
.
GetTextAsync
(
cancellationToken
).
ConfigureAwait
(
false
);
return
from
p
in
attributeNamedParameters
where
!
existingNamedParameters
.
Contains
(
p
.
Name
)
select
new
CompletionItem
(
this
,
p
.
Name
.
ToIdentifierToken
().
ToString
()
+
SpaceEqualsString
,
CompletionUtilities
.
GetTextChangeSpan
(
text
,
position
),
CommonCompletionUtilities
.
CreateDescriptionFactory
(
workspace
,
semanticModel
,
token
.
SpanStart
,
p
),
p
.
GetGlyph
(),
sortText
:
p
.
Name
,
rules
:
ItemRules
.
Instance
);
return
from
p
in
attributeNamedParameters
where
!
existingNamedParameters
.
Contains
(
p
.
Name
)
select
new
CompletionItem
(
this
,
p
.
Name
.
ToIdentifierToken
().
ToString
()
+
SpaceEqualsString
,
CompletionUtilities
.
GetTextChangeSpan
(
text
,
position
),
CommonCompletionUtilities
.
CreateDescriptionFactory
(
workspace
,
semanticModel
,
token
.
SpanStart
,
p
),
p
.
GetGlyph
(),
sortText
:
p
.
Name
,
rules
:
ItemRules
.
Instance
);
}
private
async
Task
<
IEnumerable
<
CompletionItem
>>
GetNameColonItemsAsync
(
...
...
@@ -163,18 +161,17 @@ private bool IsAfterNameEqualsArgument(SyntaxToken token)
parameterLists
=
parameterLists
.
Where
(
pl
=>
IsValid
(
pl
,
existingNamedParameters
));
var
text
=
await
semanticModel
.
SyntaxTree
.
GetTextAsync
(
cancellationToken
).
ConfigureAwait
(
false
);
return
from
pl
in
parameterLists
from
p
in
pl
where
!
existingNamedParameters
.
Contains
(
p
.
Name
)
select
new
CompletionItem
(
this
,
p
.
Name
.
ToIdentifierToken
().
ToString
()
+
ColonString
,
CompletionUtilities
.
GetTextChangeSpan
(
text
,
position
),
CommonCompletionUtilities
.
CreateDescriptionFactory
(
workspace
,
semanticModel
,
token
.
SpanStart
,
p
),
p
.
GetGlyph
(),
sortText
:
p
.
Name
,
rules
:
ItemRules
.
Instance
);
return
from
pl
in
parameterLists
from
p
in
pl
where
!
existingNamedParameters
.
Contains
(
p
.
Name
)
select
new
CompletionItem
(
this
,
p
.
Name
.
ToIdentifierToken
().
ToString
()
+
ColonString
,
CompletionUtilities
.
GetTextChangeSpan
(
text
,
position
),
CommonCompletionUtilities
.
CreateDescriptionFactory
(
workspace
,
semanticModel
,
token
.
SpanStart
,
p
),
p
.
GetGlyph
(),
sortText
:
p
.
Name
,
rules
:
ItemRules
.
Instance
);
}
private
bool
IsValid
(
ImmutableArray
<
IParameterSymbol
>
parameterList
,
ISet
<
string
>
existingNamedParameters
)
...
...
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