| // Copyright 2014 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.analysis.skylark; |
| |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.skylarkinterface.Param; |
| import com.google.devtools.build.lib.skylarkinterface.SkylarkModule; |
| import com.google.devtools.build.lib.skylarkinterface.SkylarkModuleCategory; |
| import com.google.devtools.build.lib.skylarkinterface.SkylarkSignature; |
| import com.google.devtools.build.lib.syntax.BuiltinFunction; |
| import com.google.devtools.build.lib.syntax.SkylarkNestedSet; |
| import com.google.devtools.build.lib.syntax.SkylarkSignatureProcessor; |
| |
| /** A Skylark module class to create memory efficient command lines. */ |
| @SkylarkModule( |
| name = "cmd_helper", |
| namespace = true, |
| category = SkylarkModuleCategory.BUILTIN, |
| doc = "Deprecated. Module for creating memory efficient command lines." |
| ) |
| public class SkylarkCommandLine { |
| |
| @SkylarkSignature( |
| name = "join_paths", |
| objectType = SkylarkCommandLine.class, |
| returnType = String.class, |
| doc = |
| "Deprecated. Creates a single command line argument joining the paths of a set " |
| + "of files on the separator string.", |
| parameters = { |
| @Param(name = "separator", type = String.class, doc = "the separator string to join on."), |
| @Param( |
| name = "files", |
| type = SkylarkNestedSet.class, |
| generic1 = Artifact.class, |
| doc = "the files to concatenate." |
| ) |
| } |
| ) |
| private static BuiltinFunction joinPaths = |
| new BuiltinFunction("join_paths") { |
| public String invoke(String separator, SkylarkNestedSet files) { |
| NestedSet<Artifact> artifacts = files.getSet(Artifact.class); |
| // TODO(bazel-team): lazy evaluate |
| return Artifact.joinExecPaths(separator, artifacts); |
| } |
| }; |
| |
| static { |
| SkylarkSignatureProcessor.configureSkylarkFunctions(SkylarkCommandLine.class); |
| } |
| } |