| /* |
| * Copyright 2000-2011 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.intellij.codeInsight.template.macro; |
| |
| import com.intellij.openapi.extensions.ExtensionPointName; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiType; |
| import com.intellij.psi.PsiVariable; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public abstract class VariableTypeCalculator { |
| public static final ExtensionPointName<VariableTypeCalculator> EP_NAME = |
| ExtensionPointName.create("com.intellij.variableTypeCalculator"); |
| |
| @Nullable |
| public abstract PsiType inferVarTypeAt(@NotNull PsiVariable var, @NotNull PsiElement place); |
| |
| /** |
| * @return inferred type of variable in the context of place |
| */ |
| @NotNull |
| public static PsiType getVarTypeAt(@NotNull PsiVariable var, @NotNull PsiElement place) { |
| for (VariableTypeCalculator calculator : EP_NAME.getExtensions()) { |
| final PsiType type = calculator.inferVarTypeAt(var, place); |
| if (type != null) return type; |
| } |
| |
| return var.getType(); |
| } |
| } |