dk.brics.grammar.operations
Class Unparser

java.lang.Object
  dk.brics.grammar.operations.Unparser

public class Unparser
extends Object

AST unparser.

Constructor Summary

Unparser(Grammar g)
Constructs a new AST unparser.

Method Summary

String	unparse(AST a) Unparses the given AST.
void	unparse(AST a, PrintWriter p) Unparses the given AST.
void	unparse(Node n, PrintWriter p, String x) Unparses the given node representing a sub-AST.
String	unparse(Node n, String x) Unparses the given node representing a sub-AST.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Unparser

public Unparser(Grammar g)

Constructs a new AST unparser.

Parameters:

g - grammar

Method Detail

unparse

public String unparse(AST a)

Unparses the given AST.

Parameters:

a - AST

Returns:

unparsed AST

unparse

public void unparse(AST a,
                    PrintWriter p)

Unparses the given AST.

Parameters:

a - AST

p - print writer for output

unparse

public void unparse(Node n,
                    PrintWriter p,
                    String x)

Unparses the given node representing a sub-AST.

Parameters:

n - node

p - print writer for output

x - original string

unparse

public String unparse(Node n,
                      String x)

Unparses the given node representing a sub-AST.

Parameters:

n - node

x - original string

Returns:

unparsed sub-AST