ASTGenerator.java

/*
 * xtc - The eXTensible Compiler
 * Copyright (C) 2011 Robert Grimm
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA.
 */
package oop;

import java.io.File;
import java.io.IOException;
import java.io.Reader;

import xtc.parser.ParseException;
import xtc.parser.Result;

import xtc.tree.GNode;
import xtc.tree.Node;
import xtc.tree.Visitor;

import xtc.lang.JavaFiveParser;

/**
 * A translator from (a subset of) Java to (a subset of) C++.
 *
 * @author Robert Grimm
 * @version $Revision$
 */
public class ASTGenerator extends xtc.util.Tool {
  Node AST;
	
  /** Create a new translator. */
  public ASTGenerator() {
    
  }

  public String getName() {
    return "ASTGenerator for JavaGrinder hMaster";
  }

  public String getVersion(){
    return "1.0";
  }
  
  public String getCopy() {
    return "JavaGrinder Group";
  }

  public void init() {
    super.init();
    runtime.
    bool("printJavaAST", "printJavaAST", false, "Print Java AST.").
    bool("returnJavaAST", "returnJavaAST", false, "Return an AST");
  }

  public Node parse(Reader in, File file) throws IOException, ParseException {
    JavaFiveParser parser =
      new JavaFiveParser(in, file.toString(), (int)file.length());
    Result result = parser.pCompilationUnit(0);
    return (Node)parser.value(result);
  }

  public void process(Node node) {
	  //runtime.console().format(node).pln().flush();
	  this.AST = node;
  }
  
  public Node generateAST(String arg){
	  //System.out.println("ready");
		try {
			process(arg);
		} catch (IOException e) {
			e.printStackTrace();
		} catch (ParseException e) {
			e.printStackTrace();
		}
	  return AST;
  }
}