/*
 * Copyright 2013-2014 must-be.org
 *
 * 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.mustbe.consulo.csharp.ide.highlight.check.impl;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.mustbe.consulo.RequiredReadAction;
import org.mustbe.consulo.csharp.ide.codeInsight.actions.RemoveModifierFix;
import org.mustbe.consulo.csharp.ide.highlight.check.CompilerCheck;
import org.mustbe.consulo.csharp.lang.psi.CSharpMethodDeclaration;
import org.mustbe.consulo.csharp.lang.psi.CSharpModifier;
import org.mustbe.consulo.csharp.module.extension.CSharpLanguageVersion;
import org.mustbe.consulo.dotnet.DotNetRunUtil;
import com.intellij.psi.PsiElement;

/**
 * @author VISTALL
 * @since 09.09.14
 */
public class CS4009 extends CompilerCheck<CSharpMethodDeclaration>
{
	@RequiredReadAction
	@Nullable
	@Override
	public HighlightInfoFactory checkImpl(@NotNull CSharpLanguageVersion languageVersion, @NotNull CSharpMethodDeclaration element)
	{
		PsiElement modifierElement = element.getModifierList().getModifierElement(CSharpModifier.ASYNC);

		if(modifierElement != null && DotNetRunUtil.isEntryPoint(element))
		{
			return newBuilder(modifierElement, formatElement(element)).addQuickFix(new RemoveModifierFix(CSharpModifier.ASYNC, element));
		}
		return null;
	}
}

@@ -1172,16 +1172,73 @@
 unUtil;%0A
+import org.mustbe.consulo.dotnet.psi.DotNetModifierList;%0A
 import c
@@ -1558,16 +1558,130 @@
 t)%0A%09%7B%0A%09%09
+DotNetModifierList modifierList = element.getModifierList();%0A%09%09if(modifierList == null)%0A%09%09%7B%0A%09%09%09return null;%0A%09%09%7D%0A%09%09
 PsiEleme
@@ -1696,29 +1696,18 @@
 ierE
-lement = e
 lement
-.getM
+ = m
 odif
@@ -1713,18 +1713,16 @@
 fierList
-()
 .getModi

allow null modifier list