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体验新版 GitCode,发现更多精彩内容 >>
提交
ea13f311
编写于
8月 01, 2016
作者:
R
rajkumar42
提交者:
Rajkumar Janakiraman
8月 23, 2016
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差异文件
Incorporating code review comments.
上级
f4ad30a3
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
50 addition
and
41 deletion
+50
-41
src/vs/workbench/parts/debug/electron-browser/debugHover.ts
src/vs/workbench/parts/debug/electron-browser/debugHover.ts
+50
-41
未找到文件。
src/vs/workbench/parts/debug/electron-browser/debugHover.ts
浏览文件 @
ea13f311
...
...
@@ -104,6 +104,49 @@ export class DebugHoverWidget implements editorbrowser.IContentWidget {
return
this
.
domNode
;
}
private
getHoveredExpression
(
lineContent
:
string
,
range
:
Range
)
:
Range
{
let
matchingExpression
=
undefined
;
let
startOffset
=
0
;
// Some example supported expressions: myVar.prop, a.b.c.d, myVar?.prop, myVar->prop, MyClass::StaticProp, *myVar
// Match any character except a set of characters which often break interesting sub-expressions
let
expression
:
RegExp
=
/
([^
()
\[\]
{}<>
\s
+
\-/
%~#^;=|,`!
]
|
\-
>
)
+/g
;
let
result
=
undefined
;
// First find the full expression under the cursor
while
(
result
=
expression
.
exec
(
lineContent
))
{
let
start
=
result
.
index
+
1
;
let
end
=
start
+
result
[
0
].
length
;
if
(
start
<=
range
.
startColumn
&&
end
>=
range
.
endColumn
)
{
matchingExpression
=
result
[
0
];
startOffset
=
start
;
break
;
}
}
// If there are non-word characters after the cursor, we want to truncate the expression then.
// For example in expression 'a.b.c.d', if the focus was under 'b', 'a.b' would be evaluated.
if
(
matchingExpression
)
{
let
subExpression
:
RegExp
=
/
\w
+/g
;
let
subExpressionResult
=
undefined
;
while
(
subExpressionResult
=
subExpression
.
exec
(
matchingExpression
))
{
let
subEnd
=
subExpressionResult
.
index
+
1
+
startOffset
+
subExpressionResult
[
0
].
length
;
if
(
subEnd
>=
range
.
endColumn
)
{
break
;
}
}
if
(
subExpressionResult
)
{
matchingExpression
=
matchingExpression
.
substring
(
0
,
subExpression
.
lastIndex
);
}
}
return
matchingExpression
?
new
Range
(
range
.
startLineNumber
,
startOffset
,
range
.
endLineNumber
,
startOffset
+
matchingExpression
.
length
-
1
)
:
new
Range
(
range
.
startLineNumber
,
0
,
range
.
endLineNumber
,
0
);
}
public
showAt
(
range
:
Range
,
hoveringOver
:
string
,
focus
:
boolean
):
TPromise
<
void
>
{
const
pos
=
range
.
getStartPosition
();
const
model
=
this
.
editor
.
getModel
();
...
...
@@ -116,48 +159,14 @@ export class DebugHoverWidget implements editorbrowser.IContentWidget {
const
canEvaluateForHovers
:
boolean
=
session
.
configuration
.
capabilities
.
supportsEvaluateForHovers
;
const
lineContent
=
model
.
getLineContent
(
pos
.
lineNumber
);
let
evaluatedExpression
:
TPromise
<
Expression
>
=
undefined
;
let
matchingExpression
:
string
=
undefined
;
let
startOffset
:
number
=
0
;
if
(
canEvaluateForHovers
)
{
// If the debug adapter supports evaluation-based-hover, we need to try and guess what the expression under the mouse cursor is.
// Someday it might be nice if the language service could somehow provide this.
// But this code attempts to approximate the answer for a variety of languages.
// Some example supported expressions: myVar.prop, a.b.c.d, myVar?.prop, myVar->prop, MyClass::StaticProp, *myVar
// Match any character except a set of characters which often break interesting sub-expressions
let
expression
:
RegExp
=
/
([^
()
\[\]
{}<>
\s
+
\-/
%~#^;=|,`!
]
|
\-
>
)
+/g
;
let
result
:
RegExpExecArray
=
undefined
;
// First find the full expression under the cursor
while
(
result
=
expression
.
exec
(
lineContent
))
{
let
start
=
result
.
index
+
1
;
let
end
=
start
+
result
[
0
].
length
;
if
(
start
<=
range
.
startColumn
&&
end
>=
range
.
endColumn
)
{
matchingExpression
=
result
[
0
];
startOffset
=
start
;
break
;
}
}
// If there are non-word characters after the cursor, we want to truncate the expression then.
// For example in expression 'a.b.c.d', if the focus was under 'b', 'a.b' would be evaluated.
if
(
matchingExpression
)
{
let
subExpression
:
RegExp
=
/
\w
+/g
;
let
subExpressionResult
:
RegExpExecArray
=
undefined
;
while
(
subExpressionResult
=
subExpression
.
exec
(
matchingExpression
))
{
let
subEnd
=
subExpressionResult
.
index
+
1
+
startOffset
+
subExpressionResult
[
0
].
length
;
if
(
subEnd
>=
range
.
endColumn
)
{
break
;
}
}
if
(
subExpressionResult
)
{
matchingExpression
=
matchingExpression
.
substring
(
0
,
subExpression
.
lastIndex
);
}
}
let
evaluatedExpression
=
undefined
;
let
matchingExpression
=
undefined
;
let
startOffset
=
0
;
if
(
canEvaluateForHovers
)
{
let
expressionRange
=
this
.
getHoveredExpression
(
lineContent
,
range
);
startOffset
=
expressionRange
.
startColumn
;
let
matchingExpression
=
lineContent
.
substring
(
expressionRange
.
startColumn
-
1
,
expressionRange
.
endColumn
);
evaluatedExpression
=
this
.
getExpressionSupportingEvaluate
(
session
,
matchingExpression
);
}
else
{
...
...
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