forked from bazelbuild/bazel
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
This class is not necessary anymore. We can use CcLinkParamsStoreImpl directly which has been renamed to CcLinkParamsStore. RELNOTES:none PiperOrigin-RevId: 196656488
- Loading branch information
Showing
25 changed files
with
331 additions
and
354 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
128 changes: 128 additions & 0 deletions
128
src/main/java/com/google/devtools/build/lib/rules/cpp/AbstractCcLinkParamsStore.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| // 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.rules.cpp; | ||
|
|
||
| import com.google.common.base.Preconditions; | ||
| import com.google.devtools.build.lib.skyframe.serialization.ObjectCodec; | ||
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; | ||
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec.VisibleForSerialization; | ||
|
|
||
| /** | ||
| * A cache of C link parameters. | ||
| * | ||
| * <p>The cache holds instances of {@link com.google.devtools.build.lib.rules.cpp.CcLinkParams} for | ||
| * combinations of linkingStatically and linkShared. If a requested value is not available in the | ||
| * cache, it is computed and then stored. | ||
| * | ||
| * <p>Typically this class is used on targets that may be linked in as C libraries as in the | ||
| * following example: | ||
| * | ||
| * <pre> | ||
| * class SomeTarget implements CcLinkParamsStore { | ||
| * private final AbstractCcLinkParamsStore ccLinkParamsStore = new AbstractCcLinkParamsStore() { | ||
| * @Override | ||
| * protected void collect(CcLinkParams.Builder builder, boolean linkingStatically, | ||
| * boolean linkShared) { | ||
| * builder.add[...] | ||
| * } | ||
| * }; | ||
| * | ||
| * @Override | ||
| * public CcLinkParams getCcLinkParams(boolean linkingStatically, boolean linkShared) { | ||
| * return ccLinkParamsStore.get(linkingStatically, linkShared); | ||
| * } | ||
| * } | ||
| * </pre> | ||
| */ | ||
| public abstract class AbstractCcLinkParamsStore { | ||
| protected CcLinkParams staticSharedParams; | ||
| protected CcLinkParams staticNoSharedParams; | ||
| protected CcLinkParams noStaticSharedParams; | ||
| protected CcLinkParams noStaticNoSharedParams; | ||
|
|
||
| private CcLinkParams compute(boolean linkingStatically, boolean linkShared) { | ||
| CcLinkParams.Builder builder = CcLinkParams.builder(linkingStatically, linkShared); | ||
| collect(builder, linkingStatically, linkShared); | ||
| return builder.build(); | ||
| } | ||
|
|
||
| /** | ||
| * Returns {@link com.google.devtools.build.lib.rules.cpp.CcLinkParams} for a combination of | ||
| * parameters. | ||
| * | ||
| * <p>The {@link com.google.devtools.build.lib.rules.cpp.CcLinkParams} instance is computed lazily | ||
| * and cached. | ||
| */ | ||
| public synchronized CcLinkParams get(boolean linkingStatically, boolean linkShared) { | ||
| CcLinkParams result = lookup(linkingStatically, linkShared); | ||
| if (result == null) { | ||
| result = compute(linkingStatically, linkShared); | ||
| put(linkingStatically, linkShared, result); | ||
| } | ||
| return result; | ||
| } | ||
|
|
||
| private CcLinkParams lookup(boolean linkingStatically, boolean linkShared) { | ||
| if (linkingStatically) { | ||
| return linkShared ? staticSharedParams : staticNoSharedParams; | ||
| } else { | ||
| return linkShared ? noStaticSharedParams : noStaticNoSharedParams; | ||
| } | ||
| } | ||
|
|
||
| private void put(boolean linkingStatically, boolean linkShared, CcLinkParams params) { | ||
| Preconditions.checkNotNull(params); | ||
| if (linkingStatically) { | ||
| if (linkShared) { | ||
| staticSharedParams = params; | ||
| } else { | ||
| staticNoSharedParams = params; | ||
| } | ||
| } else { | ||
| if (linkShared) { | ||
| noStaticSharedParams = params; | ||
| } else { | ||
| noStaticNoSharedParams = params; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Hook for building the actual link params. | ||
| * | ||
| * <p>Users should override this method and call methods of the builder to | ||
| * set up the actual CcLinkParams objects. | ||
| * | ||
| * <p>Implementations of this method must not fail or try to report errors on the | ||
| * configured target. | ||
| */ | ||
| protected abstract void collect(CcLinkParams.Builder builder, boolean linkingStatically, | ||
| boolean linkShared); | ||
|
|
||
| @AutoCodec | ||
| @VisibleForSerialization | ||
| static class EmptyCcLinkParamsStore extends AbstractCcLinkParamsStore { | ||
| public static final ObjectCodec<EmptyCcLinkParamsStore> CODEC = | ||
| new AbstractCcLinkParamsStore_EmptyCcLinkParamsStore_AutoCodec(); | ||
|
|
||
| @Override | ||
| protected void collect( | ||
| CcLinkParams.Builder builder, boolean linkingStatically, boolean linkShared) {} | ||
| } | ||
|
|
||
| /** An empty CcLinkParamStore. */ | ||
| public static final AbstractCcLinkParamsStore EMPTY = new EmptyCcLinkParamsStore(); | ||
| } | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.