| // 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.starlark; |
| |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.collect.nestedset.Depset; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.starlarkbuildapi.StarlarkCommandLineApi; |
| import net.starlark.java.eval.EvalException; |
| |
| /** A Starlark module class to create memory efficient command lines. */ |
| public class StarlarkCommandLine implements StarlarkCommandLineApi { |
| |
| @Override |
| public String joinPaths(String separator, Depset files) throws EvalException { |
| NestedSet<Artifact> artifacts = Depset.cast(files, Artifact.class, "files"); |
| // TODO(bazel-team): This method should be deprecated and strongly discouraged, as it |
| // flattens a depset during analysis. |
| return Artifact.joinExecPaths(separator, artifacts.toList()); |
| } |
| } |