/*
* 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 com.intellij.lang.ASTNode;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiReference;
import com.intellij.psi.ResolveResult;
import com.intellij.psi.stubs.IStubElementType;
import com.intellij.psi.tree.IElementType;
import com.intellij.util.ArrayUtil;
import com.intellij.util.IncorrectOperationException;
import consulo.annotations.RequiredReadAction;
import consulo.annotations.RequiredWriteAction;
import consulo.csharp.lang.psi.CSharpElementVisitor;
import consulo.csharp.lang.psi.CSharpFileFactory;
import consulo.csharp.lang.psi.CSharpReferenceExpressionEx;
import consulo.csharp.lang.psi.CSharpSoftTokens;
import consulo.csharp.lang.psi.CSharpStubElements;
import consulo.csharp.lang.psi.CSharpTokens;
import consulo.csharp.lang.psi.impl.source.resolve.cache.CSharpResolveCache;
import consulo.csharp.lang.psi.impl.source.resolve.util.CSharpResolveUtil;
import consulo.csharp.lang.psi.impl.stub.CSharpReferenceExpressionStub;
import consulo.dotnet.psi.DotNetExpression;
import consulo.dotnet.psi.DotNetTypeList;
import consulo.dotnet.resolve.DotNetTypeRef;
/**
* @author VISTALL
* @since 05.12.2014
*/
public class CSharpStubReferenceExpressionImpl extends CSharpStubElementImpl<CSharpReferenceExpressionStub> implements CSharpReferenceExpressionEx
{
private static final Logger LOGGER = Logger.getInstance(CSharpStubReferenceExpressionImpl.class);
public CSharpStubReferenceExpressionImpl(@NotNull ASTNode node)
{
super(node);
}
public CSharpStubReferenceExpressionImpl(@NotNull CSharpReferenceExpressionStub stub, @NotNull IStubElementType<? extends CSharpReferenceExpressionStub, ?> nodeType)
{
super(stub, nodeType);
}
@Override
public PsiReference getReference()
{
return this;
}
@RequiredReadAction
@Override
@Nullable
public PsiElement getReferenceElement()
{
return findChildByType(CSharpReferenceExpressionImplUtil.ourReferenceElements);
}
@Override
public void accept(@NotNull CSharpElementVisitor visitor)
{
visitor.visitReferenceExpression(this);
}
@RequiredReadAction
@Nullable
@Override
public DotNetExpression getQualifier()
{
return getStubOrPsiChild(CSharpStubElements.REFERENCE_EXPRESSION);
}
@RequiredReadAction
@Nullable
@Override
public String getReferenceName()
{
String referenceNameWithAt = getReferenceNameWithAt();
return referenceNameWithAt == null ? null : CSharpPsiUtilImpl.getNameWithoutAt(referenceNameWithAt);
}
@Nullable
@Override
@RequiredReadAction
public String getReferenceNameWithAt()
{
CSharpReferenceExpressionStub stub = getStub();
if(stub != null)
{
return stub.getReferenceText();
}
PsiElement referenceElement = getReferenceElement();
return referenceElement == null ? null : referenceElement.getText();
}
@Override
public PsiElement getElement()
{
return this;
}
@Override
@RequiredReadAction
public TextRange getRangeInElement()
{
return CSharpReferenceExpressionImplUtil.getRangeInElement(this);
}
@NotNull
@Override
@RequiredReadAction
public ResolveResult[] multiResolve(final boolean incompleteCode)
{
return multiResolve(incompleteCode, true);
}
@RequiredReadAction
@Override
@NotNull
public ResolveResult[] multiResolve(final boolean incompleteCode, final boolean resolveFromParent)
{
if(!isValid())
{
return ResolveResult.EMPTY_ARRAY;
}
return CSharpResolveCache.getInstance(getProject()).resolveWithCaching(this, CSharpReferenceExpressionImplUtil.OurResolver.INSTANCE, true, incompleteCode, resolveFromParent);
}
@RequiredReadAction
@Override
@NotNull
public ResolveResult[] multiResolveImpl(ResolveToKind kind, boolean resolveFromParent)
{
return CSharpReferenceExpressionImplUtil.multiResolveImpl(kind, CSharpReferenceExpressionImplUtil.findCallArgumentListOwner(kind, this), this, resolveFromParent);
}
@RequiredReadAction
@NotNull
@Override
public ResolveResult[] tryResolveFromQualifier(@NotNull PsiElement element)
{
return CSharpReferenceExpressionImplUtil.tryResolveFromQualifier(this, element);
}
@Nullable
@Override
@RequiredReadAction
public PsiElement resolve()
{
return CSharpResolveUtil.findFirstValidElement(multiResolve(false));
}
@RequiredReadAction
@Override
@NotNull
public ResolveToKind kind()
{
CSharpReferenceExpressionStub stub = getStub();
if(stub != null)
{
return stub.getKind();
}
return CSharpReferenceExpressionImplUtil.kind(this);
}
@NotNull
@Override
@RequiredReadAction
public String getCanonicalText()
{
return getText();
}
@Override
@RequiredWriteAction
public PsiElement handleElementRename(String s) throws IncorrectOperationException
{
PsiElement element = getReferenceElement();
assert element != null;
PsiElement newIdentifier = CSharpFileFactory.createReferenceToken(getProject(), s);
element.replace(newIdentifier);
return this;
}
@Override
public PsiElement bindToElement(@NotNull PsiElement element) throws IncorrectOperationException
{
return this;
}
@Override
@RequiredReadAction
public boolean isReferenceTo(PsiElement element)
{
return CSharpReferenceExpressionImplUtil.isReferenceTo(this, element);
}
@NotNull
@Override
public Object[] getVariants()
{
return ArrayUtil.EMPTY_OBJECT_ARRAY;
}
@Override
@RequiredReadAction
public boolean isSoft()
{
return CSharpReferenceExpressionImplUtil.isSoft(this);
}
@RequiredReadAction
@Nullable
@Override
public DotNetTypeList getTypeArgumentList()
{
return getStubOrPsiChild(CSharpStubElements.TYPE_ARGUMENTS);
}
@RequiredReadAction
@NotNull
@Override
public DotNetTypeRef[] getTypeArgumentListRefs()
{
DotNetTypeList typeArgumentList = getTypeArgumentList();
return typeArgumentList == null ? DotNetTypeRef.EMPTY_ARRAY : typeArgumentList.getTypeRefs();
}
@RequiredReadAction
@Override
public boolean isGlobalElement()
{
CSharpReferenceExpressionStub stub = getStub();
if(stub != null)
{
return stub.isGlobal();
}
PsiElement referenceElement = getReferenceElement();
return referenceElement != null && referenceElement.getNode().getElementType() == CSharpSoftTokens.GLOBAL_KEYWORD;
}
@RequiredReadAction
@Nullable
@Override
public PsiElement getMemberAccessElement()
{
return findChildByType(CSharpReferenceExpressionImplUtil.ourAccessTokens);
}
@RequiredReadAction
@NotNull
@Override
public AccessType getMemberAccessType()
{
CSharpReferenceExpressionStub stub = getStub();
if(stub != null)
{
return stub.getMemberAccessType();
}
PsiElement childByType = getMemberAccessElement();
if(childByType == null)
{
return AccessType.NONE;
}
IElementType elementType = childByType.getNode().getElementType();
if(elementType == CSharpTokens.ARROW)
{
return AccessType.ARROW;
}
else if(elementType == CSharpTokens.COLONCOLON)
{
return AccessType.COLONCOLON;
}
else if(elementType == CSharpTokens.NULLABE_CALL)
{
return AccessType.NULLABLE_CALL;
}
else if(elementType == CSharpTokens.PLUS)
{
return AccessType.NESTED_TYPE;
}
return AccessType.DOT;
}
@NotNull
@Override
@RequiredReadAction
public DotNetTypeRef toTypeRef(boolean resolveFromParent)
{
return CSharpReferenceExpressionImplUtil.toTypeRef(this, resolveFromParent);
}
@RequiredReadAction
@Override
@NotNull
public DotNetTypeRef toTypeRefWithoutCaching(ResolveToKind kind, boolean resolveFromParent)
{
return CSharpReferenceExpressionImplUtil.toTypeRefWithoutCaching(this, kind, resolveFromParent);
}
}