1*37748cd8SNickeau<?php 2*37748cd8SNickeau 3*37748cd8SNickeaudeclare(strict_types=1); 4*37748cd8SNickeau 5*37748cd8SNickeaunamespace Antlr\Antlr4\Runtime\Tree; 6*37748cd8SNickeau 7*37748cd8SNickeau/** 8*37748cd8SNickeau * This interface defines the basic notion of a parse tree visitor. Generated 9*37748cd8SNickeau * visitors implement this interface and the `XVisitor` interface for grammar `X`. 10*37748cd8SNickeau */ 11*37748cd8SNickeauinterface ParseTreeVisitor 12*37748cd8SNickeau{ 13*37748cd8SNickeau /** 14*37748cd8SNickeau * Visit a parse tree, and return a user-defined result of the operation. 15*37748cd8SNickeau * Must return the result of visiting the parse tree. 16*37748cd8SNickeau * 17*37748cd8SNickeau * @param ParseTree $tree The {@see ParseTree} to visit. 18*37748cd8SNickeau */ 19*37748cd8SNickeau public function visit(ParseTree $tree); 20*37748cd8SNickeau 21*37748cd8SNickeau /** 22*37748cd8SNickeau * Visit the children of a node, and return a user-defined result of the 23*37748cd8SNickeau * operation. Must return the result of visiting the parse tree. 24*37748cd8SNickeau * 25*37748cd8SNickeau * @param RuleNode $node The {@see RuleNode} whose children should be visited. 26*37748cd8SNickeau */ 27*37748cd8SNickeau public function visitChildren(RuleNode $node); 28*37748cd8SNickeau 29*37748cd8SNickeau /** 30*37748cd8SNickeau * Visit a terminal node, and return a user-defined result of the operation. 31*37748cd8SNickeau * Must return the result of visiting the parse tree. 32*37748cd8SNickeau * 33*37748cd8SNickeau * @param TerminalNode $node The {@see TerminalNode} to visit. 34*37748cd8SNickeau */ 35*37748cd8SNickeau public function visitTerminal(TerminalNode $node); 36*37748cd8SNickeau 37*37748cd8SNickeau /** 38*37748cd8SNickeau * Visit an error node, and return a user-defined result of the operation. 39*37748cd8SNickeau * Must return the result of visiting the parse tree. 40*37748cd8SNickeau * 41*37748cd8SNickeau * @param ErrorNode $node The {@see ErrorNode} to visit. 42*37748cd8SNickeau */ 43*37748cd8SNickeau public function visitErrorNode(ErrorNode $node); 44*37748cd8SNickeau} 45