arithmeticanalyzer.java

来自「Grammatica is a C# and Java parser gener」· Java 代码 · 共 610 行 · 第 1/2 页

     * @param node           the node being entered
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected void enterRightParen(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, or
     *         null if no parse tree should be created
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitRightParen(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, or
     *         null if no parse tree should be created
     * 
     * @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 enterIdentifier(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, or
     *         null if no parse tree should be created
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitIdentifier(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 enterExpression(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, or
     *         null if no parse tree should be created
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitExpression(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 childExpression(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 enterExpressionRest(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, or
     *         null if no parse tree should be created
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitExpressionRest(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 childExpressionRest(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, or
     *         null if no parse tree should be created
     * 
     * @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 enterTermRest(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, or
     *         null if no parse tree should be created
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitTermRest(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 childTermRest(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 enterFactor(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, or
     *         null if no parse tree should be created
     * 
     * @throws ParseException if the node analysis discovered errors
     */
    protected Node exitFactor(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 childFactor(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, or
     *         null if no parse tree should be created
     * 
     * @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);
    }
}