/*
* Copyright 2013-2017 consulo.io
*
* 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 consulo.csharp.lang.psi.impl.source;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import consulo.csharp.lang.psi.CSharpElementVisitor;
import consulo.csharp.lang.psi.CSharpTokens;
import com.intellij.lang.ASTNode;
import com.intellij.psi.PsiElement;
import com.intellij.psi.ResolveState;
import com.intellij.psi.scope.PsiScopeProcessor;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.util.PsiUtilCore;
import consulo.annotations.RequiredReadAction;
import consulo.csharp.lang.psi.CSharpLocalVariable;
import consulo.dotnet.psi.DotNetExpression;
import consulo.dotnet.psi.DotNetStatement;
/**
* @author VISTALL
* @since 17.01.14
*/
public class CSharpCatchStatementImpl extends CSharpElementImpl implements DotNetStatement
{
public CSharpCatchStatementImpl(@NotNull ASTNode node)
{
super(node);
}
@Override
public void accept(@NotNull CSharpElementVisitor visitor)
{
visitor.visitCatchStatement(this);
}
@RequiredReadAction
public void deleteVariable()
{
CSharpLocalVariable variable = getVariable();
if(variable == null)
{
return;
}
PsiElement lparElement = variable.getPrevSibling();
PsiElement rparElement = variable.getNextSibling();
((CSharpLocalVariableImpl) variable).deleteInternal();
if(PsiUtilCore.getElementType(lparElement) == CSharpTokens.LPAR)
{
lparElement.delete();
}
if(PsiUtilCore.getElementType(rparElement) == CSharpTokens.RPAR)
{
rparElement.delete();
}
}
@Nullable
public CSharpLocalVariable getVariable()
{
return findChildByClass(CSharpLocalVariable.class);
}
@Nullable
public DotNetExpression getFilterExpression()
{
return findChildByClass(DotNetExpression.class);
}
@Override
public boolean processDeclarations(@NotNull PsiScopeProcessor processor, @NotNull ResolveState state, PsiElement lastParent, @NotNull PsiElement place)
{
if(lastParent == null || !PsiTreeUtil.isAncestor(this, lastParent, false))
{
return true;
}
CSharpLocalVariable variable = getVariable();
if(variable != null && variable.getNameIdentifier() != null) // variable can be without name
{
if(!processor.execute(variable, state))
{
return false;
}
}
return true;
}
}