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using System;
using IEnumerator = System.Collections.IEnumerator;
using IToken = antlr.IToken;
namespace antlr.collections
{
/*ANTLR Translator Generator
* Project led by Terence Parr at http://www.jGuru.com
* Software rights: http://www.antlr.org/license.html
*
* $Id:$
*/
//
// ANTLR C# Code Generator by Micheal Jordan
// Kunle Odutola : kunle UNDERSCORE odutola AT hotmail DOT com
// Anthony Oguntimehin
//
// With many thanks to Eric V. Smith from the ANTLR list.
//
/// <summary>
/// Minimal AST node interface used by ANTLR AST generation and tree-walker.
/// </summary>
public interface AST : ICloneable
{
/// <summary>
/// Add a (rightmost) child to this node
/// </summary>
/// <param name="c"></param>
void addChild(AST c);
bool Equals(AST t);
bool EqualsList(AST t);
bool EqualsListPartial(AST t);
bool EqualsTree(AST t);
bool EqualsTreePartial(AST t);
IEnumerator findAll(AST tree);
IEnumerator findAllPartial(AST subtree);
/// <summary>
/// Get the first child of this node; null if no children
/// </summary>
AST getFirstChild();
/// <summary>
/// Get the next sibling in line after this one
/// </summary>
AST getNextSibling();
/// <summary>
/// Get the token text for this node
/// </summary>
/// <returns></returns>
string getText();
/// <summary>
/// Get the token type for this node
/// </summary>
int Type { get; set;}
/// <summary>
/// Get number of children of this node; if leaf, returns 0
/// </summary>
/// <returns>Number of children</returns>
int getNumberOfChildren();
void initialize(int t, string txt);
void initialize(AST t);
void initialize(IToken t);
/// <summary>
/// Set the first child of a node.
/// </summary>
/// <param name="c"></param>
void setFirstChild(AST c);
/// <summary>
/// Set the next sibling after this one.
/// </summary>
/// <param name="n"></param>
void setNextSibling(AST n);
/// <summary>
/// Set the token text for this node
/// </summary>
/// <param name="text"></param>
void setText(string text);
/// <summary>
/// Set the token type for this node
/// </summary>
/// <param name="ttype"></param>
void setType(int ttype);
string ToString();
string ToStringList();
string ToStringTree();
}
}
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