org.codehaus.groovy.antlr.java.Groovifier Maven / Gradle / Ivy

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Groovy: A powerful, dynamic language for the JVM

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/*
 * Copyright 2003-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.codehaus.groovy.antlr.java;

import org.codehaus.groovy.antlr.GroovySourceAST;
import org.codehaus.groovy.antlr.parser.GroovyTokenTypes;
import org.codehaus.groovy.antlr.treewalker.VisitorAdapter;

public class Groovifier extends VisitorAdapter implements GroovyTokenTypes {
    private String[] tokenNames;
    
	public Groovifier(String[] tokenNames) {
		this.tokenNames = tokenNames;
	}
	
    public void visitDefault(GroovySourceAST t,int visit) {
        if (visit == OPENING_VISIT) {
            // only want to do this once per node...

        	// remove 'public' when implied already
        	if (t.getType() == LITERAL_public) {
        		t.setType(EXPR);
        	}
        	
        	// constructors are not distinguished from methods in java ast
        	if (t.getType() == METHOD_DEF) {
        		String methodName = t.childOfType(IDENT).getText();
        		if (methodName != null && methodName.length() > 0) {
        			if (Character.isUpperCase(methodName.charAt(0))) { // todo - replace naive uppercase check for constructors with check for current classname
        				t.setType(CTOR_IDENT);
        			}
        		}
        	}

        	
/*        	if (t.getType() == MODIFIERS) {
       			GroovySourceAST publicNode = t.childOfType(LITERAL_public);
       			if (t.getNumberOfChildren() > 1 && publicNode != null) {
       				// has more than one modifier, and one of them is public
       				
       				// delete 'public' node
       				publicNode.setType(EXPR); // near enough the same as delete for now...
       			}
        	}*/
        	// ----        	
        }
    }
}