content: /**
   * Copyright (c) 2013, Andre Steingress
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
   * following conditions are met:
   *
   * 1.) Redistributions of source code must retain the above copyright notice, this list of conditions and the following
   * disclaimer.
   * 2.) Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
   * disclaimer in the documentation and/or other materials provided with the distribution.
   * 3.) Neither the name of Andre Steingress nor the names of its contributors may be used to endorse or
   * promote products derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
   * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  package org.gcontracts.common.spi;
  
  import org.codehaus.groovy.ast.ASTNode;
  import org.codehaus.groovy.ast.ClassNode;
  import org.codehaus.groovy.ast.MethodNode;
  import org.codehaus.groovy.control.SourceUnit;
  import org.codehaus.groovy.control.io.ReaderSource;
  import org.codehaus.groovy.control.messages.SyntaxErrorMessage;
  import org.codehaus.groovy.syntax.SyntaxException;
  import org.gcontracts.domain.Contract;
  import org.gcontracts.util.Validate;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * <p>Holds all context-specific information which is needed during the transformation
   * phase of a single {@link Contract} and its related {@link ClassNode}.</p>
   *
   * @author ast
   */
  public class ProcessingContextInformation {
  
      private Contract contract;
      private SourceUnit sourceUnit;
      private ReaderSource source;
  
      private boolean constructorAssertionsEnabled = true;
      private boolean preconditionsEnabled = true;
      private boolean postconditionsEnabled = true;
      private boolean classInvariantsEnabled = true;
  
      private Map<String, Object> extra = new HashMap<String, Object>();
  
      public ProcessingContextInformation(ClassNode classNode, SourceUnit sourceUnit, ReaderSource source)  {
          Validate.notNull(classNode);
  
          this.contract = new Contract(classNode);
          this.sourceUnit = sourceUnit;
          this.source = source;
      }
  
      public void setConstructorAssertionsEnabled(boolean other) { constructorAssertionsEnabled = other; }
      public boolean isConstructorAssertionsEnabled() { return constructorAssertionsEnabled; }
  
      public boolean isPreconditionsEnabled() { return preconditionsEnabled; }
      public boolean isPostconditionsEnabled() { return postconditionsEnabled; }
      public boolean isClassInvariantsEnabled() { return classInvariantsEnabled; }
  
      public Contract contract() { return contract; }
      public ReaderSource readerSource() { return source; }
      public SourceUnit sourceUnit() { return sourceUnit; }
  
      public void put(String key, Object value) {
          Validate.notNull(key);
  
          extra.put(key , value);
      }
  
      public Object get(String key)  {
          Validate.notNull(key);
  
          return extra.get(key);
      }
  
      public void addError(String msg, ASTNode expr) {
          int line = expr.getLineNumber();
          int col = expr.getColumnNumber();
          SourceUnit source = sourceUnit();
          source.getErrorCollector().addErrorAndContinue(
                  new SyntaxErrorMessage(new SyntaxException(msg + '\n', line, col), source)
          );
      }
  }
  