com.google.gwt.dev.jdt.RebindPermutationOracle Maven / Gradle / Ivy

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/*
 * Copyright 2008 Google Inc.
 *
 * 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 com.google.gwt.dev.jdt;

import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.dev.javac.CompilationState;
import com.google.gwt.dev.javac.StandardGeneratorContext;

/**
 * Abstract the process of determining all of the possible deferred binding
 * answers for a given type.
 */
public interface RebindPermutationOracle {

  /**
   * Called when the compiler is done with this oracle, so memory can be freed
   * up. After calling this method, the only legal method to call is
   * {@link #getAllPossibleRebindAnswers}.
   */
  void clear();

  /**
   * Finds the types that may be returned for a GWT.create() call, ordered by
   * permutation id.
   *
   * In production, always returns at least one name, and as a side-effect,
   * populates the appropriate AnswerMaps in the Permutations.)
   *
   * @return an array of source type names.
   */
  String[] getAllPossibleRebindAnswers(TreeLogger logger, String sourceTypeName)
      throws UnableToCompleteException;

  /**
   * Returns the CompilationState.
   */
  CompilationState getCompilationState();

  /**
   * Returns the StandardGeneratorContext.
   */
  StandardGeneratorContext getGeneratorContext();
}