// Copyright 2017 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.rules.objc; import com.google.common.collect.ImmutableMap; import com.google.common.collect.Maps; import com.google.devtools.build.lib.actions.Artifact; import com.google.devtools.build.lib.analysis.TransitiveInfoProvider; import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; import com.google.devtools.build.lib.packages.ClassObjectConstructor; import com.google.devtools.build.lib.packages.NativeClassObjectConstructor; import com.google.devtools.build.lib.packages.SkylarkClassObject; import java.util.HashMap; import java.util.Map.Entry; /** * A provider that holds debug outputs of an Apple binary rule. * * <p>This provider has no native interface and is intended to be read in Skylark code. * * <p>The only field it has is {@code output_map}, which is a dictionary of: { arch: { output_type: * Artifact, output_type: Artifact, ... } } * * <p>Where {@code arch} is any Apple architecture such as "arm64" or "armv7", {@code output_type} * can currently be "bitcode_symbols" or "dsym_binary", and the artifact is an instance of the * {@link Artifact} class. * * <p>Example: { "arm64": { "bitcode_symbols": Artifact, "dsym_binary": Artifact } } */ @Immutable public final class AppleDebugOutputsProvider extends SkylarkClassObject implements TransitiveInfoProvider { /** Expected types of debug outputs. */ enum OutputType { /** A Bitcode symbol map, per architecture. */ BITCODE_SYMBOLS, /** A single-architecture DWARF binary with debug symbols. */ DSYM_BINARY, /** A single-architecture linkmap. */ LINKMAP; @Override public String toString() { return name().toLowerCase(); } } /** Skylark name for the AppleDebugOutputsProvider. */ public static final String SKYLARK_NAME = "AppleDebugOutputs"; /** Skylark constructor and identifier for AppleDebugOutputsProvider. */ public static final ClassObjectConstructor SKYLARK_CONSTRUCTOR = new NativeClassObjectConstructor(SKYLARK_NAME) { }; /** * Creates a new provider instance. * * @param map a map of * <pre>{@code * { * arch: { output_type: Artifact, output_type: Artifact, ... }, * } * }</pre> * Where: * <ul> * <li>arch - {@link String}, any Apple supported architecture (e.g. arm64, x86_64) * <li>output_type - an instance of {@link OutputType} * </ul> */ private AppleDebugOutputsProvider(ImmutableMap<String, ImmutableMap<String, Artifact>> map) { super(SKYLARK_CONSTRUCTOR, ImmutableMap.<String, Object>of("outputs_map", map)); } /** A builder for {@link AppleDebugOutputsProvider}. */ public static class Builder { private final HashMap<String, HashMap<String, Artifact>> outputsByArch = Maps.newHashMap(); private Builder() {} public static Builder create() { return new Builder(); } /** * Adds an output to the provider. * * @param arch any Apple architecture string, e.g. arm64, armv7. * @param outputType {@link OutputType} corresponding to the artifact. * @param artifact an {@link Artifact} that contains debug information. * @return this builder. */ public Builder addOutput(String arch, OutputType outputType, Artifact artifact) { if (!outputsByArch.containsKey(arch)) { outputsByArch.put(arch, new HashMap<String, Artifact>()); } outputsByArch.get(arch).put(outputType.toString(), artifact); return this; } public AppleDebugOutputsProvider build() { ImmutableMap.Builder<String, ImmutableMap<String, Artifact>> builder = ImmutableMap.builder(); for (Entry<String, HashMap<String, Artifact>> e : outputsByArch.entrySet()) { builder.put(e.getKey(), ImmutableMap.copyOf(e.getValue())); } return new AppleDebugOutputsProvider(builder.build()); } } }