| // Copyright 2016 The Bazel Authors. All rights reserved. |
| // |
| // 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.google.devtools.build.lib.skylarkinterface; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * An annotation for parameter types for Skylark built-in functions. |
| */ |
| @Retention(RetentionPolicy.RUNTIME) |
| public @interface ParamType { |
| /** |
| * The Java class of the type, e.g. {@link String}.class or |
| * {@link com.google.devtools.build.lib.syntax.SkylarkList}.class. |
| */ |
| Class<?> type() default Object.class; |
| |
| /** |
| * When {@link #type()} is a generic type (e.g., |
| * {@link com.google.devtools.build.lib.syntax.SkylarkList}), specify the type parameter (e.g. |
| * {@link String}.class} along with {@link com.google.devtools.build.lib.syntax.SkylarkList} for |
| * {@link #type()} to specify a list of strings). |
| * |
| * <p>This is only used for documentation generation. The actual generic type is not checked at |
| * runtime, so the Java method signature should use a generic type of Object and cast |
| * appropriately. |
| */ |
| Class<?> generic1() default Object.class; |
| } |