persistence.antlr.collections.AST Maven / Gradle / Ivy
package persistence.antlr.collections;
/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.jGuru.com
* Software rights: http://www.antlr.org/license.html
*
*/
import persistence.antlr.Token;
/** Minimal AST node interface used by ANTLR AST generation
* and tree-walker.
*/
public interface AST {
/** Add a (rightmost) child to this node */
public void addChild(AST c);
public boolean equals(AST t);
public boolean equalsList(AST t);
public boolean equalsListPartial(AST t);
public boolean equalsTree(AST t);
public boolean equalsTreePartial(AST t);
public ASTEnumeration findAll(AST tree);
public ASTEnumeration findAllPartial(AST subtree);
/** Get the first child of this node; null if no children */
public AST getFirstChild();
/** Get the next sibling in line after this one */
public AST getNextSibling();
/** Get the token text for this node */
public String getText();
/** Get the token type for this node */
public int getType();
/** @since 2.7.3 Need for error handling */
public int getLine();
/** @since 2.7.3 Need for error handling */
public int getColumn();
/** Get number of children of this node; if leaf, returns 0 */
public int getNumberOfChildren();
public void initialize(int t, String txt);
public void initialize(AST t);
public void initialize(Token t);
/** Set the first child of a node. */
public void setFirstChild(AST c);
/** Set the next sibling after this one. */
public void setNextSibling(AST n);
/** Set the token text for this node */
public void setText(String text);
/** Set the token type for this node */
public void setType(int ttype);
public String toString();
public String toStringList();
public String toStringTree();
}