Table of Contents

Class UsingInstruction

Namespace
ICSharpCode.Decompiler.IL
Assembly
ICSharpCode.Decompiler.dll

IL using instruction. Equivalent to:

stloc v(resourceExpression)
try {
   body
} finally {
   v?.Dispose();
}
public sealed class UsingInstruction : ILInstruction, IStoreInstruction, IInstructionWithVariableOperand
Inheritance
UsingInstruction
Implements
Inherited Members

Remarks

The value of v is undefined after the end of the body block.

Constructors

UsingInstruction(ILVariable, ILInstruction, ILInstruction) 

public UsingInstruction(ILVariable variable, ILInstruction resourceExpression, ILInstruction body)

Parameters

variable ILVariable
resourceExpression ILInstruction
body ILInstruction

Fields

BodySlot 

public static readonly SlotInfo BodySlot

Field Value

SlotInfo

ResourceExpressionSlot 

public static readonly SlotInfo ResourceExpressionSlot

Field Value

SlotInfo

Properties

Body 

public ILInstruction Body { get; set; }

Property Value

ILInstruction

DirectFlags

Gets the flags for this instruction only, without considering the child instructions.

public override InstructionFlags DirectFlags { get; }

Property Value

InstructionFlags

IndexInStoreInstructionList 

public int IndexInStoreInstructionList { get; set; }

Property Value

int

IsAsync 

public bool IsAsync { get; set; }

Property Value

bool

IsRefStruct 

public bool IsRefStruct { get; set; }

Property Value

bool

ResourceExpression 

public ILInstruction ResourceExpression { get; set; }

Property Value

ILInstruction

ResultType

Gets the stack type of the value produced by this instruction.

public override StackType ResultType { get; }

Property Value

StackType

Variable 

public ILVariable Variable { get; set; }

Property Value

ILVariable

Methods

AcceptVisitor(ILVisitor)

Calls the Visit*-method on the visitor corresponding to the concrete type of this instruction.

public override void AcceptVisitor(ILVisitor visitor)

Parameters

visitor ILVisitor

AcceptVisitor<T>(ILVisitor<T>)

Calls the Visit*-method on the visitor corresponding to the concrete type of this instruction.

public override T AcceptVisitor<T>(ILVisitor<T> visitor)

Parameters

visitor ILVisitor<T>

Returns

T

Type Parameters

T

AcceptVisitor<C, T>(ILVisitor<C, T>, C)

Calls the Visit*-method on the visitor corresponding to the concrete type of this instruction.

public override T AcceptVisitor<C, T>(ILVisitor<C, T> visitor, C context)

Parameters

visitor ILVisitor<C, T>
context C

Returns

T

Type Parameters

C
T

Clone() 

public override sealed ILInstruction Clone()

Returns

ILInstruction

ComputeFlags() 

protected override InstructionFlags ComputeFlags()

Returns

InstructionFlags

Connected()

Called after the ILInstruction was connected to the root node of the ILAst.

protected override void Connected()

Disconnected()

Called after the ILInstruction was disconnected from the root node of the ILAst.

protected override void Disconnected()

GetChild(int) 

protected override sealed ILInstruction GetChild(int index)

Parameters

index int

Returns

ILInstruction

GetChildCount() 

protected override sealed int GetChildCount()

Returns

int

GetChildSlot(int) 

protected override sealed SlotInfo GetChildSlot(int index)

Parameters

index int

Returns

SlotInfo

PerformMatch(ILInstruction?, ref Match) 

protected override bool PerformMatch(ILInstruction? other, ref Match match)

Parameters

other ILInstruction
match Match

Returns

bool

SetChild(int, ILInstruction) 

protected override sealed void SetChild(int index, ILInstruction value)

Parameters

index int
value ILInstruction

WriteTo(ITextOutput, ILAstWritingOptions)

Writes the ILAst to the text output.

public override void WriteTo(ITextOutput output, ILAstWritingOptions options)

Parameters

output ITextOutput
options ILAstWritingOptions