/*
 * 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.api.signatures;

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

/**
 * @author Max Medvedev
 */
public interface GrMultiSignature extends GrSignature {
  GrClosureSignature[] getAllSignatures();

  GrMultiSignature EMPTY_SIGNATURE = new GrMultiSignature() {
    @Override
    public GrClosureSignature[] getAllSignatures() {
      return GrClosureSignature.EMPTY_ARRAY;
    }

    @Override
    public boolean isValid() {
      return true;
    }

    @Override
    public GrSignature curry(@NotNull PsiType[] args, int position, @NotNull PsiElement context) {
      return this;
    }

    @Override
    public void accept(@NotNull GrSignatureVisitor visitor) {
      visitor.visitMultiSignature(this);
    }
  };
}