Package java_cup
Class parse_action
- java.lang.Object
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- java_cup.parse_action
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- Direct Known Subclasses:
nonassoc_action,reduce_action,shift_action
public class parse_action extends java.lang.ObjectThis class serves as the base class for entries in a parse action table. Full entries will either be SHIFT(state_num), REDUCE(production), NONASSOC, or ERROR. Objects of this base class will default to ERROR, while the other three types will be represented by subclasses.- Version:
- last updated: 7/2/96
- Author:
- Frank Flannery
- See Also:
reduce_action,shift_action
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Field Summary
Fields Modifier and Type Field Description static intERRORConstant for action type -- error action.static intNONASSOCConstants for action type -- reduce action.static intREDUCEConstants for action type -- reduce action.static intSHIFTConstant for action type -- shift action.
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Constructor Summary
Constructors Constructor Description parse_action()Simple constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description booleanequals(parse_action other)Equality test.booleanequals(java.lang.Object other)Generic equality test.inthashCode()Compute a hash code.intkind()Quick access to the type -- base class defaults to error.java.lang.StringtoString()Convert to string.
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Field Detail
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ERROR
public static final int ERROR
Constant for action type -- error action.- See Also:
- Constant Field Values
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SHIFT
public static final int SHIFT
Constant for action type -- shift action.- See Also:
- Constant Field Values
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REDUCE
public static final int REDUCE
Constants for action type -- reduce action.- See Also:
- Constant Field Values
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NONASSOC
public static final int NONASSOC
Constants for action type -- reduce action.- See Also:
- Constant Field Values
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Method Detail
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kind
public int kind()
Quick access to the type -- base class defaults to error.
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equals
public boolean equals(parse_action other)
Equality test.
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equals
public boolean equals(java.lang.Object other)
Generic equality test.- Overrides:
equalsin classjava.lang.Object
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hashCode
public int hashCode()
Compute a hash code.- Overrides:
hashCodein classjava.lang.Object
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toString
public java.lang.String toString()
Convert to string.- Overrides:
toStringin classjava.lang.Object
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