pl.edu.pjwstk.yaod.yaql.abstractsyntaxtree.statements
Class UpdateToStatement

java.lang.Object
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  +--pl.edu.pjwstk.yaod.yaql.abstractsyntaxtree.AbstractSyntaxTree
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        +--pl.edu.pjwstk.yaod.yaql.abstractsyntaxtree.Statement
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              +--pl.edu.pjwstk.yaod.yaql.abstractsyntaxtree.statements.UpdateToStatement
All Implemented Interfaces:
java.io.Serializable

public class UpdateToStatement
extends Statement

The UpdateToStatement class represents the statement nodes in the abstract syntax tree.

Author:
Jakub Trzetrzelewski, jakub_trzetrzelewski@yahoo.com
See Also:
Serialized Form

Field Summary
 Expression e1
           
 Expression e2
           
 
Constructor Summary
UpdateToStatement(Expression e1, Expression e2, KeywordTerminal lk, KeywordTerminal rk)
          Creates a new statement node with the given expressions e1 and e2 and terminals lk and rk.
 
Method Summary
 void accept(Visitor v)
          Method responsible for traversing the abstract syntax tree structure.
 java.lang.String getSpellingAndPosition()
          Returns the spelling and positions of all terminals in a node.
 java.lang.String getTypeAsString()
          Returns the abstract syntax tree node type as a string value.
 void show(java.lang.String st)
          Method responsible for displaying the statement node.
 
Methods inherited from class pl.edu.pjwstk.yaod.yaql.abstractsyntaxtree.AbstractSyntaxTree
getLongestTypeAsSpacesString, getPreparedTypeAsString, show
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

e1

public Expression e1

e2

public Expression e2
Constructor Detail

UpdateToStatement

public UpdateToStatement(Expression e1,
                         Expression e2,
                         KeywordTerminal lk,
                         KeywordTerminal rk)
Creates a new statement node with the given expressions e1 and e2 and terminals lk and rk.
Parameters:
e1 - any expression.
e2 - any expression.
lk - keyword terminal.
rk - keyword terminal.
Method Detail

getTypeAsString

public java.lang.String getTypeAsString()
Returns the abstract syntax tree node type as a string value.
Overrides:
getTypeAsString in class AbstractSyntaxTree
Returns:
the abstract syntax tree node type as string.

getSpellingAndPosition

public java.lang.String getSpellingAndPosition()
Returns the spelling and positions of all terminals in a node.
Overrides:
getSpellingAndPosition in class AbstractSyntaxTree
Returns:
the spelling and positions of all terminals in a node.

accept

public void accept(Visitor v)
            throws EvalException
Method responsible for traversing the abstract syntax tree structure.
Overrides:
accept in class AbstractSyntaxTree
Parameters:
v - the visitor.
Throws:
EvalException - if evaluation fails.
See Also:
Visitor

show

public void show(java.lang.String st)
Method responsible for displaying the statement node.
Overrides:
show in class AbstractSyntaxTree
Parameters:
st - the string which is an auxiliary tabulator.