plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/binaryCalculators/GrDecimalBinaryExpressionTypeCalculator.java

/*
 * Copyright 2000-2014 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.plugins.groovy.lang.psi.impl.statements.expressions.binaryCalculators;

import com.intellij.psi.PsiType;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * Created by Max Medvedev on 12/20/13
 */
public class GrDecimalBinaryExpressionTypeCalculator extends GrNumericBinaryExpressionTypeCalculator {
  public static final GrDecimalBinaryExpressionTypeCalculator INSTANCE = new GrDecimalBinaryExpressionTypeCalculator();

  @Nullable
  @Override
  protected PsiType inferNumericType(@NotNull PsiType ltype, @NotNull PsiType rtype, GrBinaryFacade e) {
    if (GrBinaryExpressionUtil.isBigDecimal(ltype, rtype)) return null;
    if (GrBinaryExpressionUtil.isFloatOrDouble(ltype, rtype)) return null;
    if (GrBinaryExpressionUtil.isLong(ltype, rtype)) return GrBinaryExpressionUtil.createLong(e);
    return GrBinaryExpressionUtil.createInteger(e);
  }
}