regexpanalyzer.java

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

     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterPlus(Token node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitPlus(Token node) throws ParseException {
        return node;
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterVerticalBar(Token node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitVerticalBar(Token node) throws ParseException {
        return node;
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterDot(Token node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitDot(Token node) throws ParseException {
        return node;
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterComma(Token node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitComma(Token node) throws ParseException {
        return node;
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterNumber(Token node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitNumber(Token node) throws ParseException {
        return node;
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterChar(Token node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitChar(Token node) throws ParseException {
        return node;
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterExpr(Production node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitExpr(Production node) throws ParseException {
        return node;
    }

    /**
     * Called when adding a child to a parse tree node.
     * 
     * @param node           the parent node
     * @param child          the child node, or null
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void childExpr(Production node, Node child)
        throws ParseException {

        node.addChild(child);
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterTerm(Production node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitTerm(Production node) throws ParseException {
        return node;
    }

    /**
     * Called when adding a child to a parse tree node.
     * 
     * @param node           the parent node
     * @param child          the child node, or null
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void childTerm(Production node, Node child)
        throws ParseException {

        node.addChild(child);
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterFact(Production node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitFact(Production node) throws ParseException {
        return node;
    }

    /**
     * Called when adding a child to a parse tree node.
     * 
     * @param node           the parent node
     * @param child          the child node, or null
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void childFact(Production node, Node child)
        throws ParseException {

        node.addChild(child);
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterAtom(Production node) throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitAtom(Production node) throws ParseException {
        return node;
    }

    /**
     * Called when adding a child to a parse tree node.
     * 
     * @param node           the parent node
     * @param child          the child node, or null
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void childAtom(Production node, Node child)
        throws ParseException {

        node.addChild(child);
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterAtomModifier(Production node)
        throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitAtomModifier(Production node)
        throws ParseException {

        return node;
    }

    /**
     * Called when adding a child to a parse tree node.
     * 
     * @param node           the parent node
     * @param child          the child node, or null
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void childAtomModifier(Production node, Node child)
        throws ParseException {

        node.addChild(child);
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterCharacterSet(Production node)
        throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitCharacterSet(Production node)
        throws ParseException {

        return node;
    }

    /**
     * Called when adding a child to a parse tree node.
     * 
     * @param node           the parent node
     * @param child          the child node, or null
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void childCharacterSet(Production node, Node child)
        throws ParseException {

        node.addChild(child);
    }

    /**
     * Called when entering a parse tree node.
     * 
     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterCharacter(Production node)
        throws ParseException {
    }

    /**
     * Called when exiting a parse tree node.
     * 
     * @param node           the node being exited
     * 
     * @return the node to add to the parse tree
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitCharacter(Production node)
        throws ParseException {

        return node;
    }

    /**
     * Called when adding a child to a parse tree node.
     * 
     * @param node           the parent node
     * @param child          the child node, or null
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void childCharacter(Production node, Node child)
        throws ParseException {

        node.addChild(child);
    }
}