Class NewDelegatePrototype

A prototype for an instruction that creates a delegate from a method.

Inheritance
System.Object
InstructionPrototype
NewDelegatePrototype
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Flame.Compiler.Instructions
Assembly: Flame.Compiler.dll
Syntax
public sealed class NewDelegatePrototype : InstructionPrototype

Properties

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Callee

Gets the method that is called by the delegate when invoked.

Declaration
public IMethod Callee { get; }
Property Value
Type Description
IMethod

The callee method.
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HasThisArgument

Tells if this new-delegate instruction prototype takes a 'this' argument. For instance methods, the 'this' argument is simply interpreted as the 'this' pointer. For static methods, the 'this' argument is sent to the first parameter in the parameter list.

Declaration
public bool HasThisArgument { get; }
Property Value
Type Description
System.Boolean

true if this instruction prototype takes a 'this' argument; otherwise, false.
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Lookup

Gets the method lookup strategy for this new-delegate instruction prototype.

Declaration
public MethodLookup Lookup { get; }
Property Value
Type Description
MethodLookup

The method lookup strategy.
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ParameterCount

Gets the number of arguments this instruction takes when instantiated.

Declaration
public override int ParameterCount { get; }
Property Value
Type Description
System.Int32

The number of arguments this instruction takes.
Overrides
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ResultType

Gets the type of value produced instantiations of this prototype.

Declaration
public override IType ResultType { get; }
Property Value
Type Description
IType

A type of value.
Overrides

Methods

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CheckConformance(Instruction, MethodBody)

Checks if a particular instance of this prototype conforms to the rules for this instruction prototype.

Declaration
public override IReadOnlyList<string> CheckConformance(Instruction instance, MethodBody body)
Parameters
Type Name Description
Instruction instance

An instance of this prototype.
MethodBody body

The method body that defines the instruction.
Returns
Type Description
System.Collections.Generic.IReadOnlyList<System.String>

A list of conformance errors in the instruction.
Overrides
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Create(IType, IMethod, Boolean, MethodLookup)

Gets or creates a new-delegate instruction prototype.

Declaration
public static NewDelegatePrototype Create(IType delegateType, IMethod callee, bool hasThisArgument, MethodLookup lookup)
Parameters
Type Name Description
IType delegateType

The type of delegate produced by instances of the prototype.
IMethod callee

The method that is invoked when the delegates produced by instances of the prototype are called.
System.Boolean hasThisArgument

Tells if a 'this' argument is included in the delegate.
MethodLookup lookup

The method lookup strategy for the prototype.
Returns
Type Description
NewDelegatePrototype

A new-delegate instruction prototype.
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GetThisArgument(Instruction)

Gets the 'this' argument in an instruction that conforms to this prototype.

Declaration
public ValueTag GetThisArgument(Instruction instruction)
Parameters
Type Name Description
Instruction instruction

An instruction that conforms to this prototype.
Returns
Type Description
ValueTag

The 'this' argument.
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Instantiate(ValueTag)

Creates an instance of this new-delegate instruction prototype.

Declaration
public Instruction Instantiate(ValueTag thisArgument)
Parameters
Type Name Description
ValueTag thisArgument

The 'this' argument, if any. A null value means that there is no 'this' argument.
Returns
Type Description
Instruction

A new-delegate instruction.
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Map(MemberMapping)

Applies a member mapping to this instruction prototype.

Declaration
public override InstructionPrototype Map(MemberMapping mapping)
Parameters
Type Name Description
MemberMapping mapping

A member mapping.
Returns
Type Description
InstructionPrototype

A transformed instruction prototype.
Overrides