/*
 * Copyright 2000-2016 JetBrains s.r.o.
 *
 * 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.jetbrains.java.decompiler.main.rels;

import java.util.HashSet;
import java.util.List;

import org.jetbrains.java.decompiler.main.collectors.CounterContainer;
import org.jetbrains.java.decompiler.modules.decompiler.sforms.DirectGraph;
import org.jetbrains.java.decompiler.modules.decompiler.sforms.FlattenStatementsHelper;
import org.jetbrains.java.decompiler.modules.decompiler.stats.RootStatement;
import org.jetbrains.java.decompiler.modules.decompiler.vars.VarProcessor;
import org.jetbrains.java.decompiler.modules.decompiler.vars.VarVersionPair;
import org.jetbrains.java.decompiler.struct.StructMethod;

public class MethodWrapper {
  public final RootStatement root;
  public final VarProcessor varproc;
  public final StructMethod methodStruct;
  public final CounterContainer counter;
  public final HashSet<String> setOuterVarNames = new HashSet<>();

  public DirectGraph graph;
  public List<VarVersionPair> signatureFields;
  public boolean decompiledWithErrors;

  public MethodWrapper(RootStatement root, VarProcessor varproc, StructMethod methodStruct, CounterContainer counter) {
    this.root = root;
    this.varproc = varproc;
    this.methodStruct = methodStruct;
    this.counter = counter;
  }

  public DirectGraph getOrBuildGraph() {
    if (graph == null && root != null) {
      graph = new FlattenStatementsHelper().buildDirectGraph(root);
    }
    return graph;
  }
}