| // 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.bazel.repository.starlark; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.docgen.annot.DocCategory; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import java.util.Locale; |
| import java.util.Map; |
| import net.starlark.java.annot.StarlarkBuiltin; |
| import net.starlark.java.annot.StarlarkMethod; |
| import net.starlark.java.eval.StarlarkValue; |
| |
| /** A Starlark structure to deliver information about the system we are running on. */ |
| @StarlarkBuiltin( |
| name = "repository_os", |
| category = DocCategory.BUILTIN, |
| doc = "Various data about the current platform Bazel is running on.") |
| @Immutable |
| final class StarlarkOS implements StarlarkValue { |
| |
| private final ImmutableMap<String, String> environ; |
| |
| StarlarkOS(Map<String, String> environ) { |
| this.environ = ImmutableMap.copyOf(environ); |
| } |
| |
| @Override |
| public boolean isImmutable() { |
| return true; // immutable and Starlark-hashable |
| } |
| |
| @StarlarkMethod(name = "environ", structField = true, doc = "The list of environment variables.") |
| public ImmutableMap<String, String> getEnvironmentVariables() { |
| return environ; |
| } |
| |
| @StarlarkMethod( |
| name = "name", |
| structField = true, |
| doc = |
| "A string identifying the operating system Bazel is running on (the value of the" |
| + " \"os.name\" Java property converted to lower case).") |
| public String getName() { |
| return System.getProperty("os.name").toLowerCase(Locale.ROOT); |
| } |
| |
| @StarlarkMethod( |
| name = "arch", |
| structField = true, |
| doc = |
| "A string identifying the architecture Bazel is running on (the value of the \"os.arch\"" |
| + " Java property converted to lower case).") |
| public String getArch() { |
| return System.getProperty("os.arch").toLowerCase(Locale.ROOT); |
| } |
| } |