C# Class LispEngine.Evaluation.LexicalEnvironment

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Public Properties

Property	Type	Description
EmptyFrame	IStack

Public Methods

Method	Description
Create ( ) : LexicalEnvironment
Define ( Symbol name, Datum value ) : LexicalEnvironment
Define ( string name, Datum binding ) : LexicalEnvironment
Find ( Symbol symbol ) : Binding
Lookup ( Symbol symbol ) : Datum
NewFrame ( ) : LexicalEnvironment
NewFrame ( IStack frameBindings ) : LexicalEnvironment
Set ( Symbol symbol, Datum value ) : void

Private Methods

Method	Description
LexicalEnvironment ( LexicalEnvironment parent, IStack bindings ) : System
checkCached ( LexicalEnvironment e, Symbol symbol ) : Binding
findAndCache ( LexicalEnvironment e, Symbol symbol ) : Binding
findInFrame ( int id ) : Binding
newFrame ( LexicalEnvironment parent, IStack bindings ) : LexicalEnvironment
undefined ( Symbol symbol ) : Exception

Method Details

Create() public static method

public static Create ( ) : LexicalEnvironment
return	LexicalEnvironment

Define() public method

public Define ( Symbol name, Datum value ) : LexicalEnvironment
name	Symbol
value	Datum
return	LexicalEnvironment

Define() public method

public Define ( string name, Datum binding ) : LexicalEnvironment
name	string
binding	Datum
return	LexicalEnvironment

Find() public method

public Find ( Symbol symbol ) : Binding
symbol	Symbol
return	Binding

Lookup() public method

public Lookup ( Symbol symbol ) : Datum
symbol	Symbol
return	Datum

NewFrame() public method

public NewFrame ( ) : LexicalEnvironment
return	LexicalEnvironment

NewFrame() public method

public NewFrame ( IStack frameBindings ) : LexicalEnvironment
frameBindings	IStack
return	LexicalEnvironment

Set() public method

public Set ( Symbol symbol, Datum value ) : void
symbol	Symbol
value	Datum
return	void

Property Details

EmptyFrame public_oe static_oe property

public static IStack EmptyFrame
return	IStack