text: /* Copyright 2007-2015 QReal Research Group
   *
   * 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. */
  
  #pragma once
  
  #include "qrutils/interpreter/block.h"
  
  namespace qReal {
  namespace interpretation {
  namespace blocks {
  
  /// Interpreter`s implementation for loop block. When running it for the first time computes
  /// and remembers iterations count and executes one branch for this number of times.
  class QRUTILS_EXPORT LoopBlock : public Block
  {
  	Q_OBJECT
  
  public:
  	LoopBlock();
  
  	void run() override;
  
  private:
  	bool initNextBlocks() override;
  
  	/// Iterations count computation occures here.
  	void additionalInit();
  
  	qReal::Id mIterationStartBlockId;
  	int mIterations;
  	bool mFirstRun;
  };
  
  }
  }
  }
  