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

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.WhileStatement
All Implemented Interfaces:
java.io.Serializable

public class WhileStatement
extends Statement

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

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

Field Summary
 Expression e
           
 Statement s
           
 
Constructor Summary
WhileStatement(Expression e, Statement s, KeywordTerminal k)
          Creates a new statement node with the given expression e, statement s and terminal k.
 
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

e

public Expression e

s

public Statement s
Constructor Detail

WhileStatement

public WhileStatement(Expression e,
                      Statement s,
                      KeywordTerminal k)
Creates a new statement node with the given expression e, statement s and terminal k.
Parameters:
e - any expression.
s - any statement.
k - 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.