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java_cup
Class production_part
java.lang.Objectjava_cup.production_part
- Direct Known Subclasses:
- action_part, symbol_part
- public abstract class production_part
- extends java.lang.Object
This class represents one part (either a symbol or an action) of a production. In this base class it contains only an optional label string that the user can use to refer to the part within actions.
This is an abstract class.
- Version:
- last updated: 11/25/95
| Field Summary | |
protected java.lang.String |
_label
Optional label for referring to the part within an action (null for no label). |
| Constructor Summary | |
production_part(java.lang.String lab)
Simple constructor. |
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| Method Summary | |
boolean |
equals(java.lang.Object other)
Generic equality comparison. |
boolean |
equals(production_part other)
Equality comparison. |
int |
hashCode()
Produce a hash code. |
abstract boolean |
is_action()
Indicate if this is an action (rather than a symbol). |
java.lang.String |
label()
Optional label for referring to the part within an action (null for no label). |
java.lang.String |
toString()
Convert to a string. |
| Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
_label
protected java.lang.String _label
- Optional label for referring to the part within an action (null for
no label).
| Constructor Detail |
production_part
public production_part(java.lang.String lab)
- Simple constructor.
| Method Detail |
label
public java.lang.String label()
- Optional label for referring to the part within an action (null for
no label).
is_action
public abstract boolean is_action()
- Indicate if this is an action (rather than a symbol). Here in the
base class, we don't this know yet, so its an abstract method.
equals
public boolean equals(production_part other)
- Equality comparison.
equals
public boolean equals(java.lang.Object other)
- Generic equality comparison.
hashCode
public int hashCode()
- Produce a hash code.
toString
public java.lang.String toString()
- Convert to a string.
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