1# Copyright (C) 2022 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14load(":java_system_modules.bzl", "SystemInfo") 15 16def _bootclasspath_impl(ctx): 17 compile_jars = lambda b: b[JavaInfo].compile_jars.to_list() 18 return java_common.BootClassPathInfo( 19 bootclasspath = [jar for b in ctx.attr.bootclasspath for jar in compile_jars(b)], 20 system = ctx.attr.system[SystemInfo].system if ctx.attr.system else None, 21 auxiliary = [jar for b in ctx.attr.auxiliary for jar in compile_jars(b)], 22 ) 23 24bootclasspath = rule( 25 implementation = _bootclasspath_impl, 26 attrs = { 27 "bootclasspath": attr.label_list( 28 providers = [JavaInfo], 29 doc = "The list of libraries to use as javac's --bootclasspath argument.", 30 ), 31 "system": attr.label( 32 providers = [SystemInfo], 33 doc = "The java_system_modules target to use as javac's --system argument.", 34 ), 35 "auxiliary": attr.label_list( 36 providers = [JavaInfo], 37 doc = "The list of libraries to include first in javac's --classpath.", 38 ), 39 }, 40 provides = [java_common.BootClassPathInfo], 41 doc = """Provides BootClassPathInfo to a Java toolchain. 42 43the java_common.BootClassPathInfo provider is used by a Java toolchain to 44set javac's --bootclasspath and --system arguments. It can also optionally add 45to the classpath before anything else gets added to it. This rule generates this 46provider from a list of JavaInfo-providing targets for --bootclasspath and 47--classpath, and from a single SystemInfo-providing target for --system. 48""", 49) 50