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9ac1e621
编写于
9月 09, 2015
作者:
T
Tomas Matousek
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
Fix syntax associated with bound implicit return statement
上级
5ef9ff2f
变更
9
隐藏空白更改
内联
并排
Showing
9 changed file
with
120 addition
and
39 deletion
+120
-39
src/Compilers/CSharp/Portable/BoundTree/UnboundLambda.cs
src/Compilers/CSharp/Portable/BoundTree/UnboundLambda.cs
+1
-1
src/Compilers/CSharp/Portable/CodeGen/EmitStatement.cs
src/Compilers/CSharp/Portable/CodeGen/EmitStatement.cs
+1
-1
src/Compilers/CSharp/Portable/FlowAnalysis/FlowAnalysisPass.cs
...ompilers/CSharp/Portable/FlowAnalysis/FlowAnalysisPass.cs
+17
-19
src/Compilers/CSharp/Portable/Lowering/LambdaRewriter/LambdaRewriter.cs
...CSharp/Portable/Lowering/LambdaRewriter/LambdaRewriter.cs
+6
-4
src/Compilers/CSharp/Test/Emit/Emit/EditAndContinue/EditAndContinueClosureTests.cs
.../Emit/Emit/EditAndContinue/EditAndContinueClosureTests.cs
+4
-6
src/Compilers/CSharp/Test/Emit/Emit/EditAndContinue/LocalSlotMappingTests.cs
...p/Test/Emit/Emit/EditAndContinue/LocalSlotMappingTests.cs
+2
-3
src/Compilers/CSharp/Test/Emit/PDB/PDBConstantTests.cs
src/Compilers/CSharp/Test/Emit/PDB/PDBConstantTests.cs
+2
-2
src/Compilers/CSharp/Test/Emit/PDB/PDBDynamicLocalsTests.cs
src/Compilers/CSharp/Test/Emit/PDB/PDBDynamicLocalsTests.cs
+3
-3
src/Compilers/CSharp/Test/Emit/PDB/PDBLambdaTests.cs
src/Compilers/CSharp/Test/Emit/PDB/PDBLambdaTests.cs
+84
-0
未找到文件。
src/Compilers/CSharp/Portable/BoundTree/UnboundLambda.cs
浏览文件 @
9ac1e621
...
...
@@ -367,7 +367,7 @@ private BoundLambda ReallyBind(NamedTypeSymbol delegateType)
}
else
{
block
=
FlowAnalysisPass
.
AppendImplicitReturn
(
block
,
lambdaSymbol
,
_unboundLambda
.
Syntax
);
block
=
FlowAnalysisPass
.
AppendImplicitReturn
(
block
,
lambdaSymbol
);
}
}
...
...
src/Compilers/CSharp/Portable/CodeGen/EmitStatement.cs
浏览文件 @
9ac1e621
...
...
@@ -634,7 +634,7 @@ private bool ShouldUseIndirectReturn()
private
bool
CanHandleReturnLabel
(
BoundReturnStatement
boundReturnStatement
)
{
return
boundReturnStatement
.
WasCompilerGenerated
&&
(
boundReturnStatement
.
Syntax
.
Kind
()
==
SyntaxKind
.
Block
||
(((
object
)
_method
!=
null
)
&&
_method
.
IsImplicitConstructor
)
)
&&
(
boundReturnStatement
.
Syntax
.
IsKind
(
SyntaxKind
.
Block
)
||
_method
?.
IsImplicitConstructor
==
true
)
&&
!
_builder
.
InExceptionHandler
;
}
...
...
src/Compilers/CSharp/Portable/FlowAnalysis/FlowAnalysisPass.cs
浏览文件 @
9ac1e621
...
...
@@ -31,8 +31,7 @@ internal class FlowAnalysisPass
// we don't analyze synthesized void methods.
if
(
method
.
IsImplicitlyDeclared
||
Analyze
(
compilation
,
method
,
block
,
diagnostics
))
{
var
sourceMethod
=
method
as
SourceMethodSymbol
;
block
=
AppendImplicitReturn
(
block
,
method
,
((
object
)
sourceMethod
!=
null
)
?
sourceMethod
.
BodySyntax
as
BlockSyntax
:
null
);
block
=
AppendImplicitReturn
(
block
,
method
,
(
CSharpSyntaxNode
)(
method
as
SourceMethodSymbol
)?.
BodySyntax
);
}
}
else
if
(!
method
.
IsScriptInitializer
&&
Analyze
(
compilation
,
method
,
block
,
diagnostics
))
...
...
@@ -56,42 +55,41 @@ internal class FlowAnalysisPass
// insert the implicit "return" statement at the end of the method body
// Normally, we wouldn't bother attaching syntax trees to compiler-generated nodes, but these
// ones are going to have sequence points.
internal
static
BoundBlock
AppendImplicitReturn
(
Bound
Statement
node
,
MethodSymbol
method
,
CSharpSyntaxNode
syntax
=
null
)
internal
static
BoundBlock
AppendImplicitReturn
(
Bound
Block
body
,
MethodSymbol
method
,
CSharpSyntaxNode
syntax
=
null
)
{
Debug
.
Assert
(
body
!=
null
);
Debug
.
Assert
(
method
!=
null
);
if
(
syntax
==
null
)
{
syntax
=
node
.
Syntax
;
syntax
=
body
.
Syntax
;
}
Debug
.
Assert
(
body
.
WasCompilerGenerated
||
syntax
.
IsKind
(
SyntaxKind
.
Block
)
||
syntax
.
IsKind
(
SyntaxKind
.
ArrowExpressionClause
));
BoundStatement
ret
=
method
.
IsIterator
?
(
BoundStatement
)
BoundYieldBreakStatement
.
Synthesized
(
syntax
)
:
BoundReturnStatement
.
Synthesized
(
syntax
,
null
);
if
(
syntax
.
Kind
()
==
SyntaxKind
.
Block
)
// Implicitly added return for async method does not need sequence points since lowering would add one.
if
(
syntax
.
IsKind
(
SyntaxKind
.
Block
)
&&
!
method
.
IsAsync
)
{
// Implicitly added return for async method does not need sequence points since lowering would add one.
if
(!
method
.
IsAsync
)
{
var
blockSyntax
=
(
BlockSyntax
)
syntax
;
var
blockSyntax
=
(
BlockSyntax
)
syntax
;
ret
=
new
BoundSequencePointWithSpan
(
blockSyntax
,
ret
,
blockSyntax
.
CloseBraceToken
.
Span
)
{
WasCompilerGenerated
=
true
};
}
ret
=
new
BoundSequencePointWithSpan
(
blockSyntax
,
ret
,
blockSyntax
.
CloseBraceToken
.
Span
)
{
WasCompilerGenerated
=
true
};
}
switch
(
node
.
Kind
)
switch
(
body
.
Kind
)
{
case
BoundKind
.
Block
:
var
block
=
(
BoundBlock
)
node
;
return
block
.
Update
(
block
.
Locals
,
block
.
Statements
.
Add
(
ret
));
return
body
.
Update
(
body
.
Locals
,
body
.
Statements
.
Add
(
ret
));
default
:
return
new
BoundBlock
(
syntax
,
ImmutableArray
<
LocalSymbol
>.
Empty
,
ImmutableArray
.
Create
(
ret
,
node
));
return
new
BoundBlock
(
syntax
,
ImmutableArray
<
LocalSymbol
>.
Empty
,
ImmutableArray
.
Create
(
ret
,
body
));
}
}
...
...
src/Compilers/CSharp/Portable/Lowering/LambdaRewriter/LambdaRewriter.cs
浏览文件 @
9ac1e621
...
...
@@ -312,8 +312,9 @@ private LambdaFrame GetFrameForScope(BoundNode scope, ArrayBuilder<ClosureDebugI
CompilationState
.
ModuleBuilderOpt
.
AddSynthesizedDefinition
(
this
.
ContainingType
,
frame
);
CompilationState
.
AddSynthesizedMethod
(
frame
.
Constructor
,
FlowAnalysisPass
.
AppendImplicitReturn
(
MethodCompiler
.
BindMethodBody
(
frame
.
Constructor
,
CompilationState
,
null
),
frame
.
Constructor
));
FlowAnalysisPass
.
AppendImplicitReturn
(
MethodCompiler
.
BindMethodBody
(
frame
.
Constructor
,
CompilationState
,
null
),
frame
.
Constructor
));
}
return
frame
;
...
...
@@ -358,8 +359,9 @@ private LambdaFrame GetStaticFrame(DiagnosticBag diagnostics, BoundNode lambda)
// add its ctor
CompilationState
.
AddSynthesizedMethod
(
frame
.
Constructor
,
FlowAnalysisPass
.
AppendImplicitReturn
(
MethodCompiler
.
BindMethodBody
(
frame
.
Constructor
,
CompilationState
,
null
),
frame
.
Constructor
));
FlowAnalysisPass
.
AppendImplicitReturn
(
MethodCompiler
.
BindMethodBody
(
frame
.
Constructor
,
CompilationState
,
null
),
frame
.
Constructor
));
// associate the frame with the first lambda that caused it to exist.
// we need to associate this with some syntax.
...
...
src/Compilers/CSharp/Test/Emit/Emit/EditAndContinue/EditAndContinueClosureTests.cs
浏览文件 @
9ac1e621
...
...
@@ -1289,14 +1289,13 @@ private void F()
// lambda body unchanged:
diff1
.
VerifyIL
(
"C.<>c.<F>b__2_0"
,
@"
{
// Code size
11 (0xb
)
// Code size
9 (0x9
)
.maxstack 1
IL_0000: nop
IL_0001: ldc.i4.1
IL_0002: call ""void System.Console.WriteLine(int)""
IL_0007: nop
IL_0008: br.s IL_000a
IL_000a: ret
IL_0008: ret
}"
);
var
diff2
=
compilation2
.
EmitDifference
(
...
...
@@ -1311,7 +1310,7 @@ .maxstack 1
// lambda body updated:
diff2
.
VerifyIL
(
"C.<>c.<F>b__2_0"
,
@"
{
// Code size 1
8 (0x12
)
// Code size 1
6 (0x10
)
.maxstack 1
IL_0000: nop
IL_0001: ldc.i4.1
...
...
@@ -1320,8 +1319,7 @@ .maxstack 1
IL_0008: ldc.i4.2
IL_0009: call ""void System.Console.WriteLine(int)""
IL_000e: nop
IL_000f: br.s IL_0011
IL_0011: ret
IL_000f: ret
}"
);
}
...
...
src/Compilers/CSharp/Test/Emit/Emit/EditAndContinue/LocalSlotMappingTests.cs
浏览文件 @
9ac1e621
...
...
@@ -2722,7 +2722,7 @@ static void M()
var
v0
=
CompileAndVerify
(
compilation0
);
v0
.
VerifyIL
(
"C.<>c.<M>b__1_0()"
,
@"
{
// Code size 3
6 (0x24
)
// Code size 3
4 (0x22
)
.maxstack 2
.locals init (object V_0,
bool V_1)
...
...
@@ -2750,8 +2750,7 @@ .maxstack 2
IL_001f: nop
IL_0020: endfinally
}
IL_0021: br.s IL_0023
IL_0023: ret
IL_0021: ret
}"
);
#if TODO // identify the lambda in a semantic edit
...
...
src/Compilers/CSharp/Test/Emit/PDB/PDBConstantTests.cs
浏览文件 @
9ac1e621
...
...
@@ -107,9 +107,9 @@ void M(Action a)
<entry offset=""0x0"" startLine=""10"" startColumn=""9"" endLine=""10"" endColumn=""10"" />
<entry offset=""0x1"" startLine=""12"" startColumn=""13"" endLine=""12"" endColumn=""14"" />
<entry offset=""0x2"" startLine=""14"" startColumn=""13"" endLine=""14"" endColumn=""14"" />
<entry offset=""0x
5
"" startLine=""15"" startColumn=""9"" endLine=""15"" endColumn=""10"" />
<entry offset=""0x
3
"" startLine=""15"" startColumn=""9"" endLine=""15"" endColumn=""10"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x
6
"">
<scope startOffset=""0x0"" endOffset=""0x
4
"">
<constant name=""y"" value=""2"" type=""Int32"" />
<scope startOffset=""0x1"" endOffset=""0x3"">
<constant name=""z"" value=""3"" type=""Int32"" />
...
...
src/Compilers/CSharp/Test/Emit/PDB/PDBDynamicLocalsTests.cs
浏览文件 @
9ac1e621
...
...
@@ -994,10 +994,10 @@ public static void Main(string[] args)
<sequencePoints>
<entry offset=""0x0"" startLine=""10"" startColumn=""32"" endLine=""10"" endColumn=""33"" />
<entry offset=""0x1"" startLine=""10"" startColumn=""46"" endLine=""10"" endColumn=""54"" />
<entry offset=""0x
5
"" startLine=""10"" startColumn=""55"" endLine=""10"" endColumn=""56"" />
<entry offset=""0x
3
"" startLine=""10"" startColumn=""55"" endLine=""10"" endColumn=""56"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x
6
"">
<local name=""d5"" il_index=""0"" il_start=""0x0"" il_end=""0x
6
"" attributes=""0"" />
<scope startOffset=""0x0"" endOffset=""0x
4
"">
<local name=""d5"" il_index=""0"" il_start=""0x0"" il_end=""0x
4
"" attributes=""0"" />
</scope>
</method>
<method containingType=""Test+<>c"" name=""<Main>b__2_2"" parameterNames=""d6"">
...
...
src/Compilers/CSharp/Test/Emit/PDB/PDBLambdaTests.cs
浏览文件 @
9ac1e621
...
...
@@ -1330,5 +1330,89 @@ static void F()
</symbols>
"
);
}
[
Fact
]
public
void
IfStatement1
()
{
string
source
=
@"
class C
{
static void F()
{
new System.Action(() =>
{
bool result = false;
if (result)
System.Console.WriteLine(1);
})();
}
}
"
;
var
v
=
CompileAndVerify
(
source
,
options
:
TestOptions
.
DebugDll
);
v
.
VerifyIL
(
"C.<>c.<F>b__0_0"
,
@"
{
// Code size 16 (0x10)
.maxstack 1
.locals init (bool V_0, //result
bool V_1)
-IL_0000: nop
-IL_0001: ldc.i4.0
IL_0002: stloc.0
-IL_0003: ldloc.0
IL_0004: stloc.1
~IL_0005: ldloc.1
IL_0006: brfalse.s IL_000f
-IL_0008: ldc.i4.1
IL_0009: call ""void System.Console.WriteLine(int)""
IL_000e: nop
-IL_000f: ret
}
"
,
sequencePoints
:
"C+<>c.<F>b__0_0"
);
}
[
Fact
]
public
void
IfStatement2
()
{
string
source
=
@"
class C
{
static void F()
{
new System.Action(() =>
{
{
bool result = false;
if (result)
System.Console.WriteLine(1);
}
})();
}
}
"
;
var
v
=
CompileAndVerify
(
source
,
options
:
TestOptions
.
DebugDll
);
v
.
VerifyIL
(
"C.<>c.<F>b__0_0"
,
@"
{
// Code size 18 (0x12)
.maxstack 1
.locals init (bool V_0, //result
bool V_1)
-IL_0000: nop
-IL_0001: nop
-IL_0002: ldc.i4.0
IL_0003: stloc.0
-IL_0004: ldloc.0
IL_0005: stloc.1
~IL_0006: ldloc.1
IL_0007: brfalse.s IL_0010
-IL_0009: ldc.i4.1
IL_000a: call ""void System.Console.WriteLine(int)""
IL_000f: nop
-IL_0010: nop
-IL_0011: ret
}
"
,
sequencePoints
:
"C+<>c.<F>b__0_0"
);
}
}
}
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