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/*
* Copyright 2010-2015 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.kotlin.psi;
import com.intellij.lang.ASTNode;
import com.intellij.psi.PsiElementVisitor;
import com.intellij.psi.PsiFile;
import com.intellij.psi.impl.source.tree.LazyParseablePsiElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.KtNodeTypes;
import org.jetbrains.kotlin.lexer.KtTokens;
import java.util.List;
public class KtLambdaExpression extends LazyParseablePsiElement implements KtExpression {
public KtLambdaExpression(CharSequence text) {
super(KtNodeTypes.LAMBDA_EXPRESSION, text);
}
@Override
public R accept(@NotNull KtVisitor visitor, D data) {
return visitor.visitLambdaExpression(this, data);
}
@NotNull
public KtFunctionLiteral getFunctionLiteral() {
return findChildByType(KtNodeTypes.FUNCTION_LITERAL).getPsi(KtFunctionLiteral.class);
}
@NotNull
public List getValueParameters() {
return getFunctionLiteral().getValueParameters();
}
@Nullable
public KtBlockExpression getBodyExpression() {
return getFunctionLiteral().getBodyExpression();
}
public boolean hasDeclaredReturnType() {
return getFunctionLiteral().getTypeReference() != null;
}
@NotNull
public KtElement asElement() {
return this;
}
@NotNull
public ASTNode getLeftCurlyBrace() {
return getFunctionLiteral().getNode().findChildByType(KtTokens.LBRACE);
}
@Nullable
public ASTNode getRightCurlyBrace() {
return getFunctionLiteral().getNode().findChildByType(KtTokens.RBRACE);
}
@NotNull
@Override
public KtFile getContainingKtFile() {
PsiFile file = getContainingFile();
assert file instanceof KtFile : "KtElement not inside KtFile: " + file + " " + file.getText();
return (KtFile) file;
}
@Override
public void acceptChildren(@NotNull KtVisitor visitor, D data) {
KtPsiUtil.visitChildren(this, visitor, data);
}
@Override
public final void accept(@NotNull PsiElementVisitor visitor) {
if (visitor instanceof KtVisitor) {
accept((KtVisitor) visitor, null);
}
else {
visitor.visitElement(this);
}
}
@Override
public String toString() {
return getNode().getElementType().toString();
}
@NotNull
@Override
public KtElement getPsiOrParent() {
return this;
}
}