torero.model
Class Nonterm
java.lang.Object
|
+--torero.model.Symbol
|
+--torero.model.Nonterm
- All Implemented Interfaces:
- Comparable, Serializable
- public class Nonterm
- extends Symbol
- implements Serializable
A Nonterm Symbol Object is used to represent expandable Symbols in Toreros Attribute Grammar Model.
It can be used on the Left Hand Side (LHS) of Productions. It can be expanded/replaced to a sequence
of other symbols (defined at the RHS of the Production).
Nonterm Instances should be obtained via the SymbolMap that can guarantee their
uniqueness.
- See Also:
AttributeGrammar
,
SymbolMap
, Serialized Form
Constructor Summary |
protected |
Nonterm(String Name,
SymbolMap sm)
This constuctor should not be called directly. |
Method Summary |
boolean |
isLeaf()
Return false as Nonterms can be expanded/replaced to a sequence of other symbols. |
String |
toString()
Returns the String Representation of the Nonterm. |
Methods inherited from class torero.model.Symbol |
addAttribute, changeName, compareTo, equals, getAttributePos, getAttributes, getAttributesSize, getName, getStringRep, hasAttribute, isEpsilon, isLiteral, removeAttribute, toDot, toOx, toOxDecl |
Nonterm
protected Nonterm(String Name,
SymbolMap sm)
- This constuctor should not be called directly. To get an instance use the
SymbolMap class.
toString
public String toString()
- Returns the String Representation of the Nonterm.
- Overrides:
toString
in class Object
- Returns:
- It returns the String Representation of the Nonterm
isLeaf
public boolean isLeaf()
- Return false as Nonterms can be expanded/replaced to a sequence of other symbols.
- Overrides:
isLeaf
in class Symbol
- Returns:
- false as Nonterms can be expanded/replaced to a sequence of other symbols