C# Class Jurassic.Compiler.Scope

Represents an enclosing context where variables are uniquely defined.

Private Properties

Method	Description
Delete ( string variableName ) : bool	Deletes the variable from the scope.
GetValue ( string variableName ) : object	Returns the value of the given variable.
HasValue ( string variableName ) : bool	Returns `true` if the given variable exists in this scope.
SetValue ( string variableName, object value ) : void	Sets the value of the given variable.

Method	Description
Scope ( Scope parentScope ) : System	Creates a new Scope instance.
Scope ( Scope parentScope, int declaredVariableCount ) : System	Creates a new Scope instance.

Method	Description
DeclareVariable ( string name, Jurassic.Compiler.Expression valueAtTopOfScope = null, bool writable = true, bool deletable = false ) : DeclaredVariable	Declares a variable or function in this scope. This will be initialized with the value of the given expression.
GenerateDeclarations ( ILGenerator generator, OptimizationInfo optimizationInfo ) : void	Generates code that initializes the variable and function declarations.
GenerateScopeCreation ( ILGenerator generator, OptimizationInfo optimizationInfo ) : void	Generates code that creates a new scope.
GenerateScopeDestruction ( ILGenerator generator, OptimizationInfo optimizationInfo ) : void	Generates code that restores the parent scope as the active scope.
GetDeclaredVariable ( string variableName ) : DeclaredVariable	Gets the index of the given variable.
HasDeclaredVariable ( string name ) : bool	Returns `true` if the given variable has been declared in this scope.
RemovedDeclaredVariable ( string name ) : void	Removes a declared variable from the scope.

Deletes the variable from the scope.

public abstract Delete ( string variableName ) : bool
variableName	string	The name of the variable.
return	bool

Returns the value of the given variable.

public abstract GetValue ( string variableName ) : object
variableName	string	The name of the variable.
return	object

Returns true if the given variable exists in this scope.

public abstract HasValue ( string variableName ) : bool
variableName	string	The name of the variable to check.
return	bool

Creates a new Scope instance.

protected Scope ( Scope parentScope ) : System
parentScope	Scope	A reference to the parent scope, or null if this is /// the global scope.
return	System

Creates a new Scope instance.

protected Scope ( Scope parentScope, int declaredVariableCount ) : System
parentScope	Scope	A reference to the parent scope, or null if this is /// the global scope.
declaredVariableCount	int	The number of variables declared in this scope.
return	System

Sets the value of the given variable.

public abstract SetValue ( string variableName, object value ) : void
variableName	string	The name of the variable.
value	object	The new value of the variable.
return	void