| /* |
| * Copyright 2000-2013 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 com.jetbrains.python.psi.impl; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.extensions.Extensions; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.jetbrains.python.PyElementTypes; |
| import com.jetbrains.python.codeInsight.controlflow.ControlFlowCache; |
| import com.jetbrains.python.psi.*; |
| import com.jetbrains.python.psi.types.PyFunctionType; |
| import com.jetbrains.python.psi.types.PyType; |
| import com.jetbrains.python.psi.types.TypeEvalContext; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Map; |
| |
| /** |
| * @author yole |
| */ |
| public class PyLambdaExpressionImpl extends PyElementImpl implements PyLambdaExpression { |
| public PyLambdaExpressionImpl(ASTNode astNode) { |
| super(astNode); |
| } |
| |
| protected void acceptPyVisitor(PyElementVisitor pyVisitor) { |
| pyVisitor.visitPyLambdaExpression(this); |
| } |
| |
| public PyType getType(@NotNull TypeEvalContext context, @NotNull TypeEvalContext.Key key) { |
| for (PyTypeProvider provider : Extensions.getExtensions(PyTypeProvider.EP_NAME)) { |
| final PyType type = provider.getCallableType(this, context); |
| if (type != null) { |
| return type; |
| } |
| } |
| return new PyFunctionType(this); |
| } |
| |
| @NotNull |
| public PyParameterList getParameterList() { |
| final PyElement child = childToPsi(PyElementTypes.PARAMETER_LIST_SET, 0); |
| if (child == null) { |
| throw new RuntimeException("parameter list must not be null; text=" + getText()); |
| } |
| //noinspection unchecked |
| return (PyParameterList)child; |
| } |
| |
| @Nullable |
| @Override |
| public PyType getReturnType(@NotNull TypeEvalContext context, @NotNull TypeEvalContext.Key key) { |
| final PyExpression body = getBody(); |
| return body != null ? context.getType(body) : null; |
| } |
| |
| @Nullable |
| @Override |
| public PyType getCallType(@NotNull TypeEvalContext context, @NotNull PyCallSiteExpression callSite) { |
| return context.getReturnType(this); |
| } |
| |
| @Nullable |
| @Override |
| public PyType getCallType(@Nullable PyExpression receiver, |
| @NotNull Map<PyExpression, PyNamedParameter> parameters, |
| @NotNull TypeEvalContext context) { |
| return context.getReturnType(this); |
| } |
| |
| @Nullable |
| public PyExpression getBody() { |
| return PsiTreeUtil.getChildOfType(this, PyExpression.class); |
| } |
| |
| public PyFunction asMethod() { |
| return null; // we're never a method |
| } |
| |
| @Override |
| public void subtreeChanged() { |
| super.subtreeChanged(); |
| ControlFlowCache.clear(this); |
| } |
| |
| @Nullable |
| @Override |
| public String getQualifiedName() { |
| return null; |
| } |
| } |