<commit_before>/*
 * Copyright 2013-2016 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.highlight.CSharpHighlightContext;
import org.mustbe.consulo.csharp.ide.highlight.check.CompilerCheck;
import org.mustbe.consulo.csharp.lang.psi.CSharpModifier;
import org.mustbe.consulo.csharp.lang.psi.CSharpReferenceExpression;
import org.mustbe.consulo.csharp.lang.psi.impl.source.CSharpOutRefWrapExpressionImpl;
import org.mustbe.consulo.csharp.module.extension.CSharpLanguageVersion;
import org.mustbe.consulo.dotnet.psi.DotNetExpression;
import org.mustbe.consulo.dotnet.psi.DotNetVariable;
import com.intellij.psi.PsiElement;

/**
 * @author VISTALL
 * @since 13-May-16
 */
public class CS1510 extends CompilerCheck<CSharpOutRefWrapExpressionImpl>
{
	@RequiredReadAction
	@Nullable
	@Override
	public HighlightInfoFactory checkImpl(@NotNull CSharpLanguageVersion languageVersion, @NotNull CSharpHighlightContext highlightContext, @NotNull CSharpOutRefWrapExpressionImpl element)
	{
		DotNetExpression innerExpression = element.getInnerExpression();
		if(innerExpression == null)
		{
			return null;
		}

		if(!(innerExpression instanceof CSharpReferenceExpression))
		{
			return newBuilder(innerExpression);
		}

		PsiElement psiElement = ((CSharpReferenceExpression) innerExpression).resolve();
		// reference already highlighted by error
		if(psiElement == null)
		{
			return null;
		}
		if(!(psiElement instanceof DotNetVariable) || ((DotNetVariable) psiElement).isConstant() || ((DotNetVariable) psiElement).hasModifier(CSharpModifier.READONLY))
		{
			return newBuilder(innerExpression);
		}
		return null;
	}
}<commit_msg>fixed #443<commit_after>/*
 * Copyright 2013-2016 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.highlight.CSharpHighlightContext;
import org.mustbe.consulo.csharp.ide.highlight.check.CompilerCheck;
import org.mustbe.consulo.csharp.lang.psi.CSharpModifier;
import org.mustbe.consulo.csharp.lang.psi.CSharpReferenceExpression;
import org.mustbe.consulo.csharp.lang.psi.impl.source.CSharpIndexAccessExpressionImpl;
import org.mustbe.consulo.csharp.lang.psi.impl.source.CSharpOutRefWrapExpressionImpl;
import org.mustbe.consulo.csharp.module.extension.CSharpLanguageVersion;
import org.mustbe.consulo.dotnet.psi.DotNetExpression;
import org.mustbe.consulo.dotnet.psi.DotNetVariable;
import com.intellij.psi.PsiElement;

/**
 * @author VISTALL
 * @since 13-May-16
 */
public class CS1510 extends CompilerCheck<CSharpOutRefWrapExpressionImpl>
{
	@RequiredReadAction
	@Nullable
	@Override
	public HighlightInfoFactory checkImpl(@NotNull CSharpLanguageVersion languageVersion, @NotNull CSharpHighlightContext highlightContext, @NotNull CSharpOutRefWrapExpressionImpl element)
	{
		DotNetExpression innerExpression = element.getInnerExpression();
		if(innerExpression == null || innerExpression instanceof CSharpIndexAccessExpressionImpl)
		{
			return null;
		}

		if(!(innerExpression instanceof CSharpReferenceExpression))
		{
			return newBuilder(innerExpression);
		}

		PsiElement psiElement = ((CSharpReferenceExpression) innerExpression).resolve();
		// reference already highlighted by error
		if(psiElement == null)
		{
			return null;
		}
		if(!(psiElement instanceof DotNetVariable) || ((DotNetVariable) psiElement).isConstant() || ((DotNetVariable) psiElement).hasModifier(CSharpModifier.READONLY))
		{
			return newBuilder(innerExpression);
		}
		return null;
	}
}
{'fraction_non_alphanumeric': 0.09428571428571429, 'fraction_numerical': 0.008775510204081632, 'mean_word_length': 5.465699208443271, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 5, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1222233', 'n_tokens_mistral': 1530, 'n_tokens_neox': 1397, 'n_words': 340}