Package uk.co.badgersinfoil.metaas.impl

Source Code of uk.co.badgersinfoil.metaas.impl.ASTASWhileStatement

/*
* ASTASWhileStatement.java
*
* Copyright (c) 2007 David Holroyd
*
* 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 uk.co.badgersinfoil.metaas.impl;

import org.asdt.core.internal.antlr.AS3Parser;
import uk.co.badgersinfoil.metaas.SyntaxException;
import uk.co.badgersinfoil.metaas.dom.Expression;
import uk.co.badgersinfoil.metaas.dom.ASWhileStatement;
import uk.co.badgersinfoil.metaas.dom.Statement;
import uk.co.badgersinfoil.metaas.dom.StatementContainer;
import uk.co.badgersinfoil.metaas.impl.antlr.LinkedListTree;


public class ASTASWhileStatement extends ContainerDelegate implements ASWhileStatement {

  private static final int INDEX_CONDITION = 0;
  private static final int INDEX_STATEMENT = 1;

  public ASTASWhileStatement(LinkedListTree ast) {
    super(ast);
    ASTUtils.assertAS3TokenTypeIs(AS3Parser.WHILE, ast.getType());
  }

  private LinkedListTree getChild(int index) {
    return (LinkedListTree)ast.getChild(index);
  }
  protected StatementContainer getStatementContainer() {
    LinkedListTree stmt = stmt();
    if (stmt.getType() != AS3Parser.BLOCK) {
      throw new SyntaxException("Loop body is not a block");
    }
    return new ASTStatementList(stmt);
  }

  private LinkedListTree stmt() {
    return getChild(INDEX_STATEMENT);
  }

  public String getConditionString() {
    return ASTUtils.stringifyNode(condition().getFirstChild());
  }

  public Expression getCondition() {
    return ExpressionBuilder.build(condition().getFirstChild());
  }

  public void setCondition(String expr) {
    LinkedListTree cond = AS3FragmentParser.parseCondition(expr);
    ast.setChildWithTokens(INDEX_CONDITION, cond);
  }

  public void setCondition(Expression expr) {
    condition().setChildWithTokens(INDEX_CONDITION, ast(expr));
  }

  private LinkedListTree condition() {
    return ast.getFirstChild();
  }

  public Statement getBody() {
    return StatementBuilder.build(stmt());
  }
}
TOP

Related Classes of uk.co.badgersinfoil.metaas.impl.ASTASWhileStatement

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.