arithmeticanalyzer.cs

Grammatica是一个C#和Java的语法分析程序生成器(编译器的编译器)。它可以用LL(k)语法创建可读的和带有注释的源代码。它也支持创建一个运行时语法分析器

         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void enterRightParen(Token node) {
        }

        /**
         * <summary>Called when exiting a parse tree node.</summary>
         * 
         * <param name='node'>the node being exited</param>
         * 
         * <returns>the node to add to the parse tree</returns>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public Node exitRightParen(Token node) {
            return node;
        }

        /**
         * <summary>Called when entering a parse tree node.</summary>
         * 
         * <param name='node'>the node being entered</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void enterNumber(Token node) {
        }

        /**
         * <summary>Called when exiting a parse tree node.</summary>
         * 
         * <param name='node'>the node being exited</param>
         * 
         * <returns>the node to add to the parse tree</returns>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public Node exitNumber(Token node) {
            return node;
        }

        /**
         * <summary>Called when entering a parse tree node.</summary>
         * 
         * <param name='node'>the node being entered</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void enterIdentifier(Token node) {
        }

        /**
         * <summary>Called when exiting a parse tree node.</summary>
         * 
         * <param name='node'>the node being exited</param>
         * 
         * <returns>the node to add to the parse tree</returns>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public Node exitIdentifier(Token node) {
            return node;
        }

        /**
         * <summary>Called when entering a parse tree node.</summary>
         * 
         * <param name='node'>the node being entered</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void enterExpression(Production node) {
        }

        /**
         * <summary>Called when exiting a parse tree node.</summary>
         * 
         * <param name='node'>the node being exited</param>
         * 
         * <returns>the node to add to the parse tree</returns>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public Node exitExpression(Production node) {
            return node;
        }

        /**
         * <summary>Called when adding a child to a parse tree
         * node.</summary>
         * 
         * <param name='node'>the parent node</param>
         * <param name='child'>the child node, or null</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void childExpression(Production node, Node child) {
            node.AddChild(child);
        }

        /**
         * <summary>Called when entering a parse tree node.</summary>
         * 
         * <param name='node'>the node being entered</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void enterExpressionRest(Production node) {
        }

        /**
         * <summary>Called when exiting a parse tree node.</summary>
         * 
         * <param name='node'>the node being exited</param>
         * 
         * <returns>the node to add to the parse tree</returns>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public Node exitExpressionRest(Production node) {
            return node;
        }

        /**
         * <summary>Called when adding a child to a parse tree
         * node.</summary>
         * 
         * <param name='node'>the parent node</param>
         * <param name='child'>the child node, or null</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void childExpressionRest(Production node, Node child) {
            node.AddChild(child);
        }

        /**
         * <summary>Called when entering a parse tree node.</summary>
         * 
         * <param name='node'>the node being entered</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void enterTerm(Production node) {
        }

        /**
         * <summary>Called when exiting a parse tree node.</summary>
         * 
         * <param name='node'>the node being exited</param>
         * 
         * <returns>the node to add to the parse tree</returns>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public Node exitTerm(Production node) {
            return node;
        }

        /**
         * <summary>Called when adding a child to a parse tree
         * node.</summary>
         * 
         * <param name='node'>the parent node</param>
         * <param name='child'>the child node, or null</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void childTerm(Production node, Node child) {
            node.AddChild(child);
        }

        /**
         * <summary>Called when entering a parse tree node.</summary>
         * 
         * <param name='node'>the node being entered</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void enterTermRest(Production node) {
        }

        /**
         * <summary>Called when exiting a parse tree node.</summary>
         * 
         * <param name='node'>the node being exited</param>
         * 
         * <returns>the node to add to the parse tree</returns>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public Node exitTermRest(Production node) {
            return node;
        }

        /**
         * <summary>Called when adding a child to a parse tree
         * node.</summary>
         * 
         * <param name='node'>the parent node</param>
         * <param name='child'>the child node, or null</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void childTermRest(Production node, Node child) {
            node.AddChild(child);
        }

        /**
         * <summary>Called when entering a parse tree node.</summary>
         * 
         * <param name='node'>the node being entered</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void enterFactor(Production node) {
        }

        /**
         * <summary>Called when exiting a parse tree node.</summary>
         * 
         * <param name='node'>the node being exited</param>
         * 
         * <returns>the node to add to the parse tree</returns>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public Node exitFactor(Production node) {
            return node;
        }

        /**
         * <summary>Called when adding a child to a parse tree
         * node.</summary>
         * 
         * <param name='node'>the parent node</param>
         * <param name='child'>the child node, or null</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void childFactor(Production node, Node child) {
            node.AddChild(child);
        }

        /**
         * <summary>Called when entering a parse tree node.</summary>
         * 
         * <param name='node'>the node being entered</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void enterAtom(Production node) {
        }

        /**
         * <summary>Called when exiting a parse tree node.</summary>
         * 
         * <param name='node'>the node being exited</param>
         * 
         * <returns>the node to add to the parse tree</returns>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public Node exitAtom(Production node) {
            return node;
        }

        /**
         * <summary>Called when adding a child to a parse tree
         * node.</summary>
         * 
         * <param name='node'>the parent node</param>
         * <param name='child'>the child node, or null</param>
         * 
         * <exception cref='ParseException'>if the node analysis
         * discovered errors</exception>
         */
        public void childAtom(Production node, Node child) {
            node.AddChild(child);
        }
    }
}