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/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.control;




/**
 *  Compilation phase identifiers.  
 *
 *  @author Chris Poirier
 */

public class Phases
{
    public static final int INITIALIZATION        = 1;   // Opening of files and such
    public static final int PARSING               = 2;   // Lexing, parsing, and AST building
    public static final int CONVERSION            = 3;   // CST to AST conversion
    public static final int SEMANTIC_ANALYSIS     = 4;   // AST semantic analysis and elucidation
    public static final int CANONICALIZATION      = 5;   // AST completion
    public static final int INSTRUCTION_SELECTION = 6;   // Class generation, phase 1
    public static final int CLASS_GENERATION      = 7;   // Class generation, phase 2
    public static final int OUTPUT                = 8;   // Output of class to disk
    public static final int FINALIZATION          = 9;   // Cleanup
    public static final int ALL                   = 9;   // Synonym for full compilation
    
    public static final String[] descriptions = {
          "startup"
        , "initialization"
        , "parsing"
        , "conversion"
        , "semantic analysis"
        , "canonicalization"
        , "instruction selection"
        , "class generation"
        , "output"
        , "cleanup"
    };
    
    
    
   /**
    *  Returns a description of the specified phase.
    */
    
    public static String getDescription( int phase )
    {
        return descriptions[phase];
    }
    
}