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体验新版 GitCode,发现更多精彩内容 >>
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65bacf87
编写于
9月 25, 2015
作者:
C
Charles Stoner
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差异文件
Merge pull request #5453 from cston/pfn
Fix function pointer representation
上级
4c98b4b9
1882b7f3
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
70 addition
and
32 deletion
+70
-32
src/ExpressionEvaluator/CSharp/Test/ResultProvider/FunctionPointerTests.cs
...luator/CSharp/Test/ResultProvider/FunctionPointerTests.cs
+54
-21
src/ExpressionEvaluator/Core/Test/ResultProvider/Debugger/Engine/DkmClrValue.cs
...r/Core/Test/ResultProvider/Debugger/Engine/DkmClrValue.cs
+16
-11
未找到文件。
src/ExpressionEvaluator/CSharp/Test/ResultProvider/FunctionPointerTests.cs
浏览文件 @
65bacf87
...
...
@@ -3,6 +3,8 @@
using
Microsoft.CodeAnalysis.ExpressionEvaluator
;
using
Microsoft.VisualStudio.Debugger.Clr
;
using
Microsoft.VisualStudio.Debugger.Evaluation
;
using
Microsoft.VisualStudio.Debugger.Evaluation.ClrCompilation
;
using
Microsoft.VisualStudio.Debugger.Metadata
;
using
System
;
using
System.Diagnostics
;
using
Xunit
;
...
...
@@ -12,40 +14,71 @@ namespace Microsoft.CodeAnalysis.CSharp.UnitTests
{
public
class
FunctionPointerTests
:
CSharpResultProviderTestBase
{
[
Fact
(
Skip
=
"Tests are failing in Jenkins queues"
)
]
[
Fact
]
public
void
Root
()
{
const
int
ptr
=
0x1234
;
var
value
=
CreateDkmClrValue
(
ptr
,
type
:
new
DkmClrType
(
FunctionPointerType
.
Instance
));
var
evalResult
=
FormatResult
(
"pfn"
,
value
);
Verify
(
evalResult
,
EvalResult
(
"pfn"
,
PointerToString
(
new
IntPtr
(
ptr
)),
"System.Object*"
,
"pfn"
,
DkmEvaluationResultFlags
.
None
,
DkmEvaluationResultCategory
.
Other
));
var
source
=
@"unsafe class C
{
internal C(long p)
{
this.pfn = (int*)p;
}
int* pfn;
}"
;
var
assembly
=
GetUnsafeAssembly
(
source
);
unsafe
{
int
i
=
0x1234
;
long
ptr
=
(
long
)&
i
;
var
type
=
assembly
.
GetType
(
"C"
);
var
value
=
GetFunctionPointerField
(
CreateDkmClrValue
(
type
.
Instantiate
(
ptr
)),
"pfn"
);
var
evalResult
=
FormatResult
(
"pfn"
,
value
);
Verify
(
evalResult
,
EvalResult
(
"pfn"
,
PointerToString
(
new
IntPtr
(
ptr
)),
"System.Object*"
,
"pfn"
,
DkmEvaluationResultFlags
.
None
,
DkmEvaluationResultCategory
.
Other
));
}
}
[
Fact
(
Skip
=
"Tests are failing in Jenkins queues"
)
]
[
Fact
]
public
void
Member
()
{
var
source
=
@"class C
@"
unsafe
class C
{
object pfn;
internal C(long p)
{
this.pfn = (int*)p;
}
int* pfn;
}"
;
const
int
ptr
=
0x0
;
GetMemberValueDelegate
getMemberValue
=
(
v
,
m
)
=>
(
m
==
"pfn"
)
?
CreateDkmClrValue
(
ptr
,
type
:
new
DkmClrType
(
FunctionPointerType
.
Instance
))
:
null
;
var
runtime
=
new
DkmClrRuntimeInstance
(
ReflectionUtilities
.
GetMscorlibAndSystemCore
(
GetAssembly
(
source
)),
getMemberValue
:
getMemberValue
);
using
(
runtime
.
Load
())
var
assembly
=
GetUnsafeAssembly
(
source
);
unsafe
{
var
type
=
runtime
.
GetType
(
"C"
);
var
value
=
CreateDkmClrValue
(
type
.
Instantiate
(),
type
:
type
);
var
evalResult
=
FormatResult
(
"o"
,
value
);
Verify
(
evalResult
,
EvalResult
(
"o"
,
"{C}"
,
"C"
,
"o"
,
DkmEvaluationResultFlags
.
Expandable
,
DkmEvaluationResultCategory
.
Other
));
var
children
=
GetChildren
(
evalResult
);
Verify
(
children
,
EvalResult
(
"pfn"
,
PointerToString
(
new
IntPtr
(
ptr
)),
"object {System.Object*}"
,
"o.pfn"
,
DkmEvaluationResultFlags
.
None
,
DkmEvaluationResultCategory
.
Other
));
const
long
ptr
=
0x0
;
GetMemberValueDelegate
getMemberValue
=
(
v
,
m
)
=>
(
m
==
"pfn"
)
?
GetFunctionPointerField
(
v
,
m
)
:
null
;
var
runtime
=
new
DkmClrRuntimeInstance
(
ReflectionUtilities
.
GetMscorlibAndSystemCore
(
assembly
),
getMemberValue
:
getMemberValue
);
using
(
runtime
.
Load
())
{
var
type
=
runtime
.
GetType
(
"C"
);
var
value
=
CreateDkmClrValue
(
type
.
Instantiate
(
ptr
),
type
);
var
evalResult
=
FormatResult
(
"o"
,
value
);
Verify
(
evalResult
,
EvalResult
(
"o"
,
"{C}"
,
"C"
,
"o"
,
DkmEvaluationResultFlags
.
Expandable
,
DkmEvaluationResultCategory
.
Other
));
var
children
=
GetChildren
(
evalResult
);
Verify
(
children
,
EvalResult
(
"pfn"
,
PointerToString
(
new
IntPtr
(
ptr
)),
"int*"
,
"o.pfn"
,
DkmEvaluationResultFlags
.
None
,
DkmEvaluationResultCategory
.
Other
));
}
}
}
private
DkmClrValue
GetFunctionPointerField
(
DkmClrValue
value
,
string
fieldName
)
{
var
valueType
=
value
.
Type
.
GetLmrType
();
var
fieldInfo
=
valueType
.
GetField
(
fieldName
,
BindingFlags
.
Instance
|
BindingFlags
.
Public
|
BindingFlags
.
NonPublic
);
var
fieldValue
=
fieldInfo
.
GetValue
(
value
.
RawValue
);
return
CreateDkmClrValue
(
DkmClrValue
.
UnboxPointer
(
fieldValue
),
new
DkmClrType
(
FunctionPointerType
.
Instance
));
}
// Function pointer type has IsPointer == true and GetElementType() == null.
private
sealed
class
FunctionPointerType
:
TypeImpl
{
...
...
src/ExpressionEvaluator/Core/Test/ResultProvider/Debugger/Engine/DkmClrValue.cs
浏览文件 @
65bacf87
...
...
@@ -501,17 +501,7 @@ public DkmClrValue GetMemberValue(string MemberName, int MemberType, string Pare
Type
type
;
if
(
value
is
System
.
Reflection
.
Pointer
)
{
unsafe
{
if
(
Environment
.
Is64BitProcess
)
{
value
=
(
long
)
System
.
Reflection
.
Pointer
.
Unbox
(
value
);
}
else
{
value
=
(
int
)
System
.
Reflection
.
Pointer
.
Unbox
(
value
);
}
}
value
=
UnboxPointer
(
value
);
type
=
declaredType
;
}
else
if
(
value
==
null
||
declaredType
.
IsNullable
())
...
...
@@ -535,6 +525,21 @@ public DkmClrValue GetMemberValue(string MemberName, int MemberType, string Pare
access
:
access
);
}
internal
static
unsafe
object
UnboxPointer
(
object
value
)
{
unsafe
{
if
(
Environment
.
Is64BitProcess
)
{
return
(
long
)
System
.
Reflection
.
Pointer
.
Unbox
(
value
);
}
else
{
return
(
int
)
System
.
Reflection
.
Pointer
.
Unbox
(
value
);
}
}
}
public
DkmClrValue
GetArrayElement
(
int
[]
indices
,
DkmInspectionContext
inspectionContext
)
{
if
(
inspectionContext
==
null
)
...
...
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