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// 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 static com.google.devtools.build.lib.packages.ImplicitOutputsFunction.fromTemplates;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.ALWAYS_LINK_LIBRARY;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.ALWAYS_LINK_PIC_LIBRARY;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.ARCHIVE;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.ASSEMBLER;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.ASSEMBLER_WITH_C_PREPROCESSOR;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.CPP_HEADER;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.CPP_SOURCE;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.C_SOURCE;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.OBJECT_FILE;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.PIC_ARCHIVE;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.PIC_OBJECT_FILE;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.SHARED_LIBRARY;
import static com.google.devtools.build.lib.rules.cpp.CppFileTypes.VERSIONED_SHARED_LIBRARY;
import com.google.devtools.build.lib.analysis.LanguageDependentFragment.LibraryLanguage;
import com.google.devtools.build.lib.packages.ImplicitOutputsFunction.SafeImplicitOutputsFunction;
import com.google.devtools.build.lib.rules.test.InstrumentedFilesCollector.InstrumentationSpec;
import com.google.devtools.build.lib.util.FileTypeSet;
/**
* Rule class definitions for C++ rules.
*/
public class CppRuleClasses {
// Artifacts of these types are discarded from the 'hdrs' attribute in cc rules
static final FileTypeSet DISALLOWED_HDRS_FILES = FileTypeSet.of(
ARCHIVE,
PIC_ARCHIVE,
ALWAYS_LINK_LIBRARY,
ALWAYS_LINK_PIC_LIBRARY,
SHARED_LIBRARY,
VERSIONED_SHARED_LIBRARY,
OBJECT_FILE,
PIC_OBJECT_FILE);
/**
* The set of instrumented source file types; keep this in sync with the list above. Note that
* extension-less header files cannot currently be declared, so we cannot collect coverage for
* those.
*/
static final InstrumentationSpec INSTRUMENTATION_SPEC = new InstrumentationSpec(
FileTypeSet.of(CPP_SOURCE, C_SOURCE, CPP_HEADER, ASSEMBLER_WITH_C_PREPROCESSOR,
ASSEMBLER))
.withSourceAttributes("srcs", "hdrs")
.withDependencyAttributes("deps", "data");
public static final LibraryLanguage LANGUAGE = new LibraryLanguage("C++");
/**
* Implicit outputs for cc_binary rules.
*/
public static final SafeImplicitOutputsFunction CC_BINARY_STRIPPED =
fromTemplates("%{name}.stripped");
// Used for requesting dwp "debug packages".
public static final SafeImplicitOutputsFunction CC_BINARY_DEBUG_PACKAGE =
fromTemplates("%{name}.dwp");
/**
* Path of the build_interface_so script in the Blaze binary.
*/
public static final String BUILD_INTERFACE_SO = "build_interface_so";
/**
* A string constant for the parse_headers feature.
*/
public static final String PARSE_HEADERS = "parse_headers";
/**
* A string constant for the preprocess_headers feature.
*/
public static final String PREPROCESS_HEADERS = "preprocess_headers";
/**
* A string constant for the module_maps feature; this is a precondition to the layering_check and
* header_modules features.
*/
public static final String MODULE_MAPS = "module_maps";
/**
* A string constant for the module_map_home_cwd feature.
*/
public static final String MODULE_MAP_HOME_CWD = "module_map_home_cwd";
/**
* A string constant for the layering_check feature.
*/
public static final String LAYERING_CHECK = "layering_check";
/**
* A string constant for the header_modules feature.
*/
public static final String HEADER_MODULES = "header_modules";
/**
* A string constant for the use_header_modules feature.
*
* <p>This feature is only used during rollout; we expect to default enable this once we
* have verified that module-enabled compilation is stable enough.
*/
public static final String USE_HEADER_MODULES = "use_header_modules";
/**
* A string constant for the generate_submodules feature.
*
* <p>This feature is only used temporarily to make the switch to using submodules easier. With
* submodules, each header of a cc_library is placed into a submodule of the module generated for
* the appropriate target. As this influences the layering_check semantics and needs to be synced
* with a clang release, we want to be able to switch back and forth easily.
*/
public static final String GENERATE_SUBMODULES = "generate_submodules";
/**
* A string constant for the transitive_module_maps feature.
*
* <p>This feature is used temporarily to switch between adding transitive module maps to a
* modules enabled build or only adding module maps from direct dependencies.
*/
public static final String TRANSITIVE_MODULE_MAPS = "transitive_module_maps";
/**
* A string constant for switching on that a header module file includes information about
* all its dependencies, so we do not need to pass all transitive dependent header modules on
* the command line.
*/
public static final String HEADER_MODULE_INCLUDES_DEPENDENCIES =
"header_module_includes_dependencies";
/**
* A string constant for the no_legacy_features feature.
*
* <p>If this feature is enabled, Bazel will not extend the crosstool configuration with the
* default legacy feature set.
*/
public static final String NO_LEGACY_FEATURES = "no_legacy_features";
/**
* A string constant for the include_paths feature.
*/
public static final String INCLUDE_PATHS = "include_paths";
/**
* A string constant for the ThinLTO feature.
*/
public static final String THIN_LTO = "thin_lto";
/*
* A string constant for the fdo_instrument feature.
*/
public static final String FDO_INSTRUMENT = "fdo_instrument";
/**
* A string constant for the fdo_optimize feature.
*/
public static final String FDO_OPTIMIZE = "fdo_optimize";
/**
* A string constant for the autofdo feature.
*/
public static final String AUTOFDO = "autofdo";
/**
* A string constant for the lipo feature.
*/
public static final String LIPO = "lipo";
/**
* A string constant for the coverage feature.
*/
public static final String COVERAGE = "coverage";
}
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