PerCederberg.Grammatica.Runtime
Class Production

System.Object
   |
   +--Node
         |
         +--Production

public class Production

extends Node

A production node. This class represents a grammar production (i.e. a list of child nodes) in a parse tree. The productions are created by a parser, that adds children a according to a set of production patterns (i.e. grammar rules).

Count

public override int Count;

The child node count property (read-only).

Since:

1.5

Id

public override int Id;

The node type id property (read-only). This value is set as a unique identifier for each type of node, in order to simplify later identification.

Since:

1.5

Name

public override string Name;

The node name property (read-only).

Since:

1.5

Pattern

public ProductionPattern Pattern;

The production pattern property (read-only). This property contains the production pattern linked to this production.

Since:

1.5

this

public override Node this[ int index ];

The child node index (read-only).

Parameters:

index - the child index, 0 <= index < Count

Returns:

the child node found, or null if index out of bounds

Since:

1.5

Production

public Production( ProductionPattern pattern );

Creates a new production node.

Parameters:

pattern - the production pattern

AddChild

public void AddChild( Node child );

Adds a child node. The node will be added last in the list of children.

Parameters:

child - the child node to add

GetPattern

public ProductionPattern GetPattern();

Deprecated. Use the Pattern property instead.

Returns the production pattern for this production.

Returns:

the production pattern

See Also:

Pattern

IsHidden

 internal override bool IsHidden();

Checks if this node is hidden, i.e. if it should not be visible outside the parser.

Returns:

true if the node should be hidden, or false otherwise

ToString

public override string ToString();

Returns a string representation of this production.

Returns:

a string representation of this production