diff options
author | ulfjack <ulfjack@google.com> | 2018-07-20 03:58:16 -0700 |
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committer | Copybara-Service <copybara-piper@google.com> | 2018-07-20 03:59:56 -0700 |
commit | 3177e4d6640502f2140a0a31c62bf5572c1fed6c (patch) | |
tree | 4d17d8db1f793753dadaeeeb0cef33211c151669 /src/main/java/com/google/devtools/build/lib/rules/cpp | |
parent | 929a4a2aa16c34bd7631e14a82dca125db89ddd5 (diff) |
Open source IncludeScanning glue code
One tiny step after the other.
PiperOrigin-RevId: 205378056
Diffstat (limited to 'src/main/java/com/google/devtools/build/lib/rules/cpp')
-rw-r--r-- | src/main/java/com/google/devtools/build/lib/rules/cpp/IncludeScanning.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/IncludeScanning.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/IncludeScanning.java new file mode 100644 index 0000000000..ba0e13ad3c --- /dev/null +++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/IncludeScanning.java @@ -0,0 +1,50 @@ +// Copyright 2018 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.actions.ActionExecutionContext; +import com.google.devtools.build.lib.actions.Artifact; +import com.google.devtools.build.lib.actions.ExecException; +import com.google.devtools.build.lib.rules.cpp.IncludeScanner.IncludeScannerSupplier; +import com.google.devtools.build.lib.rules.cpp.IncludeScanner.IncludeScanningPreparer; +import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; +import javax.annotation.Nullable; + +/** Runs include scanning on actions, if include scanning is enabled. */ +public class IncludeScanning implements IncludeProcessing { + @AutoCodec public static final IncludeScanning INSTANCE = new IncludeScanning(); + + @Override + public @Nullable Iterable<Artifact> determineAdditionalInputs( + @Nullable IncludeScannerSupplier includeScannerSupplier, + CppCompileAction action, + ActionExecutionContext actionExecutionContext) + throws ExecException, InterruptedException { + // Return null when no include scanning occurs, as opposed to an empty set, to distinguish from + // the case where includes are scanned but none are found. + if (!action.shouldScanIncludes()) { + return null; + } + + return IncludeScanningPreparer.scanForIncludedInputs( + action, + Preconditions.checkNotNull(includeScannerSupplier, action), + action.getIncludeScanningHeaderData(), + action, + actionExecutionContext, + actionExecutionContext.getInputPath(action.getSourceFile()).getPathString()); + } +} |