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# Copyright 2022 Google LLC. 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.
"""Common Kotlin definitions."""
load("//:visibility.bzl", "RULES_DEFS_THAT_COMPILE_KOTLIN")
load("//kotlin/jvm/util:file_factory.bzl", "FileFactory")
load("//kotlin/jvm/util:java_infos.bzl", "kt_java_infos")
load("//kotlin/jvm/util:srcjars.bzl", "kt_srcjars")
load("//toolchains/kotlin_jvm:androidlint_toolchains.bzl", "androidlint_toolchains")
load("//toolchains/kotlin_jvm:kt_jvm_toolchains.bzl", "kt_jvm_toolchains")
load("@bazel_skylib//lib:sets.bzl", "sets")
load("//bazel:stubs.bzl", "lint_actions")
load("//bazel:stubs.bzl", "jspecify_flags")
load("//bazel:stubs.bzl", "is_android_lint_exempt")
load("//bazel:stubs.bzl", "BASE_JVMOPTS")
visibility(RULES_DEFS_THAT_COMPILE_KOTLIN)
# TODO: Remove the _ALLOWED_*_RULES lists to determine which rules
# are accepted dependencies to Kotlin rules as the approach does not scale
# because it will require a cl + release for every new rule.
_EXT = struct(
KT = ".kt",
JAVA = ".java",
JAR = ".jar",
SRCJAR = ".srcjar",
)
_KT_FILE_TYPES = [_EXT.KT]
_KT_JVM_FILE_TYPES = [
_EXT.JAVA,
_EXT.KT,
_EXT.SRCJAR,
]
_JAR_FILE_TYPE = [_EXT.JAR]
_SRCJAR_FILE_TYPES = [_EXT.JAR, _EXT.SRCJAR]
_RULE_FAMILY = struct(
UNKNOWN = 0,
JVM_LIBRARY = 1,
ANDROID_LIBRARY = 2,
)
def _is_dir(file, basename):
return file.is_directory and file.basename == basename
def _is_file(file, extension):
return (not file.is_directory) and file.path.endswith(extension)
def _is_kt_src(src):
"""Decides if `src` Kotlin code.
Either:
- a Kotlin source file
- a tree-artifact expected to contain only Kotlin source files
"""
return _is_file(src, _EXT.KT) or _is_dir(src, "kotlin")
# Compute module name based on target (b/139403883), similar to Swift
def _derive_module_name(ctx):
label = _get_original_kt_target_label(ctx)
package_part = label.package.replace("/", ".") # .package has no leading '//'
name_part = label.name
if package_part:
return package_part + "_" + name_part
return name_part
def _get_common_and_user_kotlinc_args(ctx, toolchain, extra_kotlinc_args):
return toolchain.kotlinc_cli_flags + [
# Set module name so module-level metadata is preserved when merging Jars (b/139403883)
"-module-name",
_derive_module_name(ctx),
] + jspecify_flags(ctx) + extra_kotlinc_args
def _kt_plugins_map(
android_lint_rulesets = [],
java_plugin_infos = [],
kt_codegen_plugin_infos = depset(),
kt_compiler_plugin_infos = []):
"""A struct containing all the plugin types understood by rules_kotlin.
Args:
android_lint_rulesets: (list[lint_actions.AndroidLintRulesInfo]) Android Lint checkers.
Each JAR is self-contained and should be loaded in an isolated classloader.
java_plugin_infos: (list[JavaPluginInfo])
kt_codegen_plugin_infos: (depset[KtCodegenPluginInfo]) for KtCodegenProcessing.
kt_compiler_plugin_infos: (list[kt_compiler_plugin_infos.Info])
"""
return struct(
android_lint_rulesets = android_lint_rulesets,
java_plugin_infos = java_plugin_infos,
kt_codegen_plugin_infos = kt_codegen_plugin_infos,
kt_compiler_plugin_infos = kt_compiler_plugin_infos,
)
def _run_kotlinc(
ctx,
file_factory,
kt_srcs = [],
common_srcs = [],
java_srcs_and_dirs = [],
kotlincopts = [],
compile_jdeps = depset(),
toolchain = None,
classpath = [],
directdep_jars = depset(),
plugins = _kt_plugins_map(),
friend_jars = depset(),
enforce_strict_deps = False,
enforce_complete_jdeps = False,
mnemonic = None,
message_prefix = ""):
direct_inputs = []
transitive_inputs = []
outputs = []
# Args to kotlinc.
#
# These go at the end of the commandline. They should be passed through all wrapper
# layers without post-processing, except to unpack param files.
kotlinc_args = ctx.actions.args()
kotlinc_args.use_param_file("@%s", use_always = True) # Use params file to handle long classpaths (b/76185759)
kotlinc_args.set_param_file_format("multiline") # kotlinc only supports double-quotes ("): https://youtrack.jetbrains.com/issue/KT-24472
# Args to the kotlinc JVM
#
# These cannot use a param file because the file wouldn't be read until after the JVM launches.
# Values will be prepended with --jvm_flag= for detection.
jvm_args = []
kotlinc_args.add_joined("-cp", classpath, join_with = ":")
transitive_inputs.append(classpath)
kotlinc_args.add_all(_get_common_and_user_kotlinc_args(ctx, toolchain, kotlincopts))
kotlinc_args.add(toolchain.jvm_abi_gen_plugin, format = "-Xplugin=%s")
direct_inputs.append(toolchain.jvm_abi_gen_plugin)
kt_ijar = file_factory.declare_file("-ijar.jar")
kotlinc_args.add("-P", kt_ijar, format = "plugin:org.jetbrains.kotlin.jvm.abi:outputDir=%s")
outputs.append(kt_ijar)
for p in plugins.kt_compiler_plugin_infos:
kotlinc_args.add(p.jar, format = "-Xplugin=%s")
direct_inputs.append(p.jar)
kotlinc_args.add_all(p.args, before_each = "-P")
# Common sources must also be specified as -Xcommon-sources= in addition to appearing in the
# source list.
if common_srcs:
kotlinc_args.add("-Xmulti-platform=true")
kotlinc_args.add_all(common_srcs, format_each = "-Xcommon-sources=%s")
direct_inputs.extend(common_srcs)
output = file_factory.declare_file(".jar")
kotlinc_args.add("-d", output)
outputs.insert(0, output) # The param file name is derived from the 0th output
kotlinc_args.add_all(kt_srcs)
direct_inputs.extend(kt_srcs)
kotlinc_args.add_all(common_srcs)
direct_inputs.extend(common_srcs)
if java_srcs_and_dirs:
# This expands any directories into their contained files
kotlinc_args.add_all(java_srcs_and_dirs)
direct_inputs.extend(java_srcs_and_dirs)
kotlinc_args.add_joined(friend_jars, format_joined = "-Xfriend-paths=%s", join_with = ",")
transitive_inputs.append(friend_jars)
# Do not change the "shape" or mnemonic of this action without consulting Kythe team
# (kythe-eng@), to avoid breaking the Kotlin Kythe extractor which "shadows" this action. In
# particular, the extractor expects this to be a vanilla "spawn" (ctx.actions.run) so don't
# change this to ctx.actions.run_shell or something else without considering Kythe implications
# (b/112439843).
ctx.actions.run(
executable = toolchain.kotlin_compiler,
arguments = ["--jvm_flag=" + x for x in jvm_args] + [kotlinc_args],
inputs = depset(direct = direct_inputs, transitive = transitive_inputs),
outputs = outputs,
mnemonic = mnemonic,
progress_message = message_prefix + str(_get_original_kt_target_label(ctx)),
execution_requirements = {
# Ensure comparable results across runs (cold builds, same machine)
"no-cache": "1",
"no-remote": "1",
} if toolchain.is_profiling_enabled(ctx.label) else {
"worker-key-mnemonic": "Kt2JavaCompile",
},
toolchain = toolchain.toolchain_type,
)
return struct(
output_jar = output,
compile_jar = kt_ijar,
)
def _kt_compile(
ctx,
file_factory,
kt_srcs = [],
common_srcs = [],
coverage_srcs = [],
java_srcs_and_dirs = [],
kt_hdrs = None,
common_hdrs = None,
kotlincopts = [],
compile_jdeps = depset(),
toolchain = None,
classpath = [],
directdep_jars = depset(),
plugins = _kt_plugins_map(),
friend_jars = depset(),
enforce_strict_deps = False,
enforce_complete_jdeps = False):
# TODO: don't run jvm-abi-gen plugin here if we have headers
kotlinc_full_result = _run_kotlinc(
ctx,
kt_srcs = kt_srcs,
common_srcs = common_srcs,
java_srcs_and_dirs = java_srcs_and_dirs,
file_factory = file_factory,
kotlincopts = kotlincopts,
compile_jdeps = compile_jdeps,
toolchain = toolchain,
classpath = classpath,
directdep_jars = directdep_jars,
plugins = plugins,
friend_jars = friend_jars,
enforce_strict_deps = enforce_strict_deps,
enforce_complete_jdeps = enforce_complete_jdeps,
mnemonic = "Kt2JavaCompile",
message_prefix = "Compiling Kotlin For Java Runtime: ",
)
srcjar = kt_srcjars.zip(
ctx,
toolchain,
file_factory.declare_file("-kt-src.jar"),
srcs = kt_srcs,
common_srcs = common_srcs,
)
output_jar = kotlinc_full_result.output_jar
if ctx.coverage_instrumented():
output_jar = _offline_instrument_jar(
ctx,
toolchain,
output_jar,
kt_srcs + common_srcs + coverage_srcs,
)
# Use un-instrumented Jar at compile-time to avoid double-instrumenting inline functions
# (see b/110763361 for the comparable Gradle issue)
compile_jar = kotlinc_full_result.compile_jar
if toolchain.header_gen_tool:
kotlinc_header_result = _run_kotlinc(
ctx,
kt_srcs = kt_hdrs,
common_srcs = common_hdrs,
java_srcs_and_dirs = java_srcs_and_dirs,
file_factory = file_factory.derive("-abi"),
kotlincopts = kotlincopts,
compile_jdeps = compile_jdeps,
toolchain = toolchain,
classpath = classpath,
directdep_jars = directdep_jars,
plugins = plugins,
friend_jars = friend_jars,
enforce_strict_deps = enforce_strict_deps,
enforce_complete_jdeps = enforce_complete_jdeps,
mnemonic = "Kt2JavaHeaderCompile",
message_prefix = "Computing Kotlin ABI interface Jar: ",
)
compile_jar = kotlinc_header_result.compile_jar
result = dict(
output_jar = output_jar,
compile_jar = compile_jar,
source_jar = srcjar,
)
return struct(java_info = JavaInfo(**result), **result)
def _derive_headers(
ctx,
toolchain,
file_factory,
srcs):
if not srcs or not toolchain.header_gen_tool:
return srcs
output_dir = file_factory.declare_directory("-headers")
args = ctx.actions.args()
args.add(output_dir.path, format = "-output_dir=%s")
args.add_joined(srcs, format_joined = "-sources=%s", join_with = ",")
ctx.actions.run(
executable = toolchain.header_gen_tool,
arguments = [args],
inputs = srcs,
outputs = [output_dir],
mnemonic = "KtDeriveHeaders",
progress_message = "Deriving %s: %s" % (output_dir.basename, _get_original_kt_target_label(ctx)),
toolchain = toolchain.toolchain_type,
)
return [output_dir]
def _get_original_kt_target_label(ctx):
label = ctx.label
if label.name.find("_DO_NOT_DEPEND") > 0:
# Remove rule suffix added by android_library(
label = label.relative(":%s" % label.name[0:label.name.find("_DO_NOT_DEPEND")])
elif hasattr(ctx.attr, "_kt_codegen_plugin_build_tool") and label.name.endswith("_processed_srcs"):
# Remove rule suffix added by kt_codegen_filegroup. b/259984258
label = label.relative(":{}".format(label.name.removesuffix("_processed_srcs")))
return label
def _run_import_deps_checker(
ctx,
jars_to_check = [],
merged_deps = None,
enforce_strict_deps = True,
jdeps_output = None,
deps_checker = None,
java_toolchain = None):
full_classpath = _create_classpath(java_toolchain, [merged_deps])
label = _get_original_kt_target_label(ctx)
args = ctx.actions.args()
args.add("--jdeps_output", jdeps_output)
args.add_all(jars_to_check, before_each = "--input")
args.add_all(java_toolchain.bootclasspath, before_each = "--bootclasspath_entry")
args.add_all(full_classpath, before_each = "--classpath_entry")
if enforce_strict_deps:
args.add_all(merged_deps.compile_jars, before_each = "--directdep")
args.add("error" if enforce_strict_deps else "silence", format = "--checking_mode=%s")
args.add("--nocheck_missing_members") # compiler was happy so no need
args.add("--rule_label", label)
ctx.actions.run(
executable = deps_checker,
arguments = [args],
inputs = depset(jars_to_check, transitive = [full_classpath]),
outputs = [jdeps_output],
mnemonic = "KtCheckStrictDeps" if enforce_strict_deps else "KtJdeps",
progress_message = "%s deps for %s" % (
"Checking strict" if enforce_strict_deps else "Computing",
label,
),
)
def _offline_instrument_jar(ctx, toolchain, jar, srcs = []):
if not _is_file(jar, _EXT.JAR):
fail("Expect JAR input but got %s" % jar)
file_factory = FileFactory(ctx, jar)
paths_for_coverage_file = file_factory.declare_file("-kt-paths-for-coverage.txt")
paths = ctx.actions.args()
paths.set_param_file_format("multiline") # don't shell-quote, just list file names
paths.add_all([src for src in srcs if src.is_source])
ctx.actions.write(paths_for_coverage_file, paths)
output = file_factory.declare_file("-instrumented.jar")
args = ctx.actions.args()
args.add(jar)
args.add(output)
args.add(paths_for_coverage_file)
ctx.actions.run(
executable = toolchain.coverage_instrumenter,
arguments = [args],
inputs = [jar, paths_for_coverage_file],
outputs = [output],
mnemonic = "KtJaCoCoInstrument",
progress_message = "Instrumenting Kotlin for coverage collection: %s" % _get_original_kt_target_label(ctx),
toolchain = toolchain.toolchain_type,
)
return output
def _singlejar(
ctx,
inputs,
output,
singlejar,
mnemonic = "KtMergeJar",
content = "final Jar",
preserve_compression = False,
pseudo_inputs = []):
label = _get_original_kt_target_label(ctx)
args = ctx.actions.args()
args.add("--normalize")
args.add("--add_missing_directories") # make output more similar to jar tool (b/114414678)
args.add("--exclude_build_data")
args.add("--no_duplicates") # No Kt/Java classname collisions (b/216841985)
args.add("--output")
args.add(output)
args.add("--sources")
args.add_all(inputs)
args.add("--deploy_manifest_lines")
args.add("Target-Label: %s" % label)
if preserve_compression:
args.add("--dont_change_compression")
ctx.actions.run(
executable = singlejar,
arguments = [args],
inputs = inputs + pseudo_inputs,
outputs = [output],
mnemonic = mnemonic,
progress_message = "Merging %s: %s" % (content, label),
toolchain = "@bazel_tools//tools/jdk:toolchain_type",
)
def _merge_jdeps(ctx, kt_jvm_toolchain, jdeps_files, file_factory):
merged_jdeps_file = file_factory.declare_file("-merged.jdeps")
args = ctx.actions.args()
args.add("--kind=jdeps")
args.add(merged_jdeps_file, format = "--output=%s")
args.add(_get_original_kt_target_label(ctx), format = "--rule_label=%s")
args.add_all(jdeps_files)
ctx.actions.run(
executable = kt_jvm_toolchain.jdeps_merger,
inputs = jdeps_files,
outputs = [merged_jdeps_file],
arguments = [args],
mnemonic = "KtMergeJdeps",
progress_message = "Merging jdeps files %{output}",
toolchain = kt_jvm_toolchain.toolchain_type,
)
return merged_jdeps_file
def _check_srcs_package(target_package, srcs, attr_name):
"""Makes sure the given srcs live in the given package."""
# Analogous to RuleContext.checkSrcsSamePackage
for src in srcs:
if target_package != src.owner.package:
fail(("Please do not depend on %s directly in %s. Either move it to this package or " +
"depend on an appropriate rule in its package.") % (src.owner, attr_name))
def _split_srcs_by_language(srcs, common_srcs, java_syncer):
srcs_set = sets.make(srcs)
common_srcs_set = sets.make(common_srcs)
overlapping_srcs_set = sets.intersection(srcs_set, common_srcs_set)
if sets.length(overlapping_srcs_set) != 0:
fail("Overlap between srcs and common_srcs: %s" % sets.to_list(overlapping_srcs_set))
# Split sources, as java requires a separate compile step.
kt_srcs = [s for s in srcs if _is_kt_src(s)]
java_srcs = [s for s in srcs if _is_file(s, _EXT.JAVA)]
java_syncer.add_dirs([s for s in srcs if _is_dir(s, "java")])
java_syncer.add_srcjars([s for s in srcs if _is_file(s, _EXT.SRCJAR)])
expected_srcs_set = sets.make(kt_srcs + java_srcs + java_syncer.dirs + java_syncer.srcjars)
unexpected_srcs_set = sets.difference(srcs_set, expected_srcs_set)
if sets.length(unexpected_srcs_set) != 0:
fail("Unexpected srcs: %s" % sets.to_list(unexpected_srcs_set))
return (kt_srcs, java_srcs)
def _merge_exported_plugins(exported_plugins_map):
for field in ["kt_codegen_plugin_infos", "kt_compiler_plugin_infos"]:
if getattr(exported_plugins_map, field):
fail("exported_plugins doesn't support %s. These are propagated with aspects" % field)
android_lint_ruleset_jars = []
return exported_plugins_map.java_plugin_infos + [
JavaPluginInfo(
processor_class = None,
runtime_deps = [
# Assume this list is short
JavaInfo(output_jar = jar, compile_jar = jar)
for jar in android_lint_ruleset_jars
],
),
]
# TODO: Streamline API to generate less actions.
def _kt_jvm_library(
ctx,
kt_toolchain,
srcs = [],
common_srcs = [],
coverage_srcs = [],
java_android_lint_config = None,
manifest = None, # set for Android libs, otherwise None.
merged_manifest = None, # set for Android libs, otherwise None.
resource_files = [], # set for Android libs, otherwise empty.
classpath_resources = [], # set for kt_jvm_library, otherwise empty.
output = None,
output_srcjar = None, # Will derive default filename if not set.
deps = [],
exports = [], # passthrough for JavaInfo constructor
runtime_deps = [], # passthrough for JavaInfo constructor
native_libraries = [], # passthrough of CcInfo for JavaInfo constructor
plugins = _kt_plugins_map(),
exported_plugins = _kt_plugins_map(),
javacopts = [],
kotlincopts = [],
compile_jdeps = depset(),
disable_lint_checks = [],
neverlink = False,
testonly = False, # used by Android Lint
enforce_strict_deps = True,
rule_family = _RULE_FAMILY.UNKNOWN,
enforce_complete_jdeps = False,
java_toolchain = None,
friend_jars = depset(),
annotation_processor_additional_outputs = [],
annotation_processor_additional_inputs = []):
if not java_toolchain:
fail("Missing or invalid java_toolchain")
if not kt_toolchain:
fail("Missing or invalid kt_toolchain")
file_factory = FileFactory(ctx, output)
static_deps = list(deps) # Defensive copy
java_plugin_datas = [x.plugins for x in (plugins.java_plugin_infos + static_deps)]
kt_codegen_result = dict()
codegen_plugin_output = None
kt_codegen_processors = kt_codegen_result.get("kt_codegen_processors", depset()).to_list()
generative_deps = kt_codegen_result.get("codegen_output_java_infos", depset()).to_list()
java_syncer = kt_srcjars.DirSrcjarSyncer(ctx, kt_toolchain, file_factory)
kt_srcs, java_srcs = _split_srcs_by_language(srcs, common_srcs, java_syncer)
is_android_library_without_kt_srcs = rule_family == _RULE_FAMILY.ANDROID_LIBRARY and not kt_srcs and not common_srcs
is_android_library_without_kt_srcs_without_generative_deps = is_android_library_without_kt_srcs and not generative_deps
# TODO: Remove this special case
if kt_srcs and ("flogger" in [p.plugin_id for p in plugins.kt_compiler_plugin_infos]):
static_deps.append(kt_toolchain.flogger_runtime)
if not is_android_library_without_kt_srcs_without_generative_deps:
static_deps.extend(kt_toolchain.kotlin_libs)
_check_srcs_package(ctx.label.package, common_srcs, "common_srcs")
if not is_android_library_without_kt_srcs:
# Skip srcs package check for android_library targets with no kotlin sources: b/239725424
_check_srcs_package(ctx.label.package, srcs, "srcs")
_check_srcs_package(ctx.label.package, coverage_srcs, "coverage_srcs")
# Includes generative deps from codegen.
extended_deps = static_deps + generative_deps
full_classpath = _create_classpath(java_toolchain, extended_deps)
exported_plugins = _merge_exported_plugins(exported_plugins)
# Collect all plugin data, including processors to run and all plugin classpaths,
# whether they have processors or not (b/120995492).
# This may include go/errorprone plugin classpaths that kapt will ignore.
processors_for_java_srcs = [] if kt_codegen_result else depset(transitive = [p.processor_classes for p in java_plugin_datas]).to_list()
java_plugin_classpaths_for_java_srcs = depset(transitive = [p.processor_jars for p in java_plugin_datas])
out_jars = kt_codegen_result.get("codegen_runtime_output_jars", [])
out_srcjars = kt_codegen_result.get("codegen_source_jars", [])
out_compilejars = kt_codegen_result.get("codegen_compile_jars", [])
kt_hdrs = _derive_headers(
ctx,
toolchain = kt_toolchain,
file_factory = file_factory.derive("-kt"),
# TODO: prohibit overlap of srcs and common_srcs
srcs = kt_srcs,
)
common_hdrs = _derive_headers(
ctx,
toolchain = kt_toolchain,
file_factory = file_factory.derive("-common"),
srcs = common_srcs,
)
kotlinc_result = None
if kt_srcs or common_srcs:
kotlinc_result = _kt_compile(
ctx,
kt_srcs = kt_srcs,
common_srcs = common_srcs,
coverage_srcs = coverage_srcs,
java_srcs_and_dirs = java_srcs + java_syncer.dirs,
kt_hdrs = kt_hdrs,
common_hdrs = common_hdrs,
file_factory = file_factory.derive("-kt"),
kotlincopts = kotlincopts,
compile_jdeps = compile_jdeps,
toolchain = kt_toolchain,
classpath = full_classpath,
plugins = plugins,
friend_jars = friend_jars,
enforce_strict_deps = enforce_strict_deps,
enforce_complete_jdeps = enforce_complete_jdeps,
)
out_compilejars.append(kotlinc_result.compile_jar)
out_srcjars.append(kotlinc_result.source_jar)
out_jars.append(kotlinc_result.output_jar)
classpath_resources_dirs, classpath_resources_non_dirs = _partition(
classpath_resources,
filter = lambda res: res.is_directory,
)
if classpath_resources_dirs:
out_jars.append(
kt_srcjars.zip_resources(
ctx,
kt_toolchain,
file_factory.declare_file("-dir-res.jar"),
classpath_resources_dirs,
),
)
javac_java_info = None
java_native_headers_jar = None
if java_srcs or java_syncer.srcjars or classpath_resources:
javac_deps = list(extended_deps) # Defensive copy
if kotlinc_result:
javac_deps.append(kotlinc_result.java_info)
if ctx.coverage_instrumented():
# Including the coverage runtime improves jdeps computation (b/130747644), but it
# could be runtime-only if we computed compile-time jdeps using the compile JAR
# (which doesn't contain instrumentation). See b/117897097.
javac_deps.append(kt_toolchain.coverage_runtime)
javac_out = output if is_android_library_without_kt_srcs_without_generative_deps else file_factory.declare_file("-libjvm-java.jar")
javac_java_info = java_common.compile(
ctx,
source_files = java_srcs,
source_jars = java_syncer.srcjars,
resources = classpath_resources_non_dirs,
exports = exports,
output = javac_out,
exported_plugins = exported_plugins,
deps = javac_deps,
# Include default_javac_flags, which reflect Blaze's --javacopt flag, so they win over
# all sources of default flags (for Ellipsis builds, see b/125452475).
# TODO: remove default_javac_flags here once java_common.compile is fixed.
javac_opts = ctx.fragments.java.default_javac_flags + javacopts,
plugins = plugins.java_plugin_infos + kt_codegen_result.get("extra_java_plugin_infos", []),
strict_deps = "DEFAULT",
java_toolchain = java_toolchain,
neverlink = neverlink,
enable_annotation_processing = kt_codegen_result.get("enable_java_common_annotation_processing", True),
annotation_processor_additional_outputs = annotation_processor_additional_outputs,
annotation_processor_additional_inputs = annotation_processor_additional_inputs,
)
out_jars.append(javac_out)
out_srcjars.extend(javac_java_info.source_jars)
out_compilejars.extend(kt_java_infos.get_own_compile_jars(javac_java_info))
java_native_headers_jar = javac_java_info.outputs.native_headers
java_gensrcjar = None
java_genjar = None
if codegen_plugin_output:
pass
elif javac_java_info:
java_gensrcjar = javac_java_info.annotation_processing.source_jar
java_genjar = javac_java_info.annotation_processing.class_jar
if java_gensrcjar:
java_syncer.add_srcjars([java_gensrcjar])
jdeps_output = None
compile_jdeps_output = None
manifest_proto = None
# TODO: Move severity overrides to config file when possible again
blocking_action_outs = []
# TODO: Remove the is_android_library_without_kt_srcs condition once KtAndroidLint
# uses the same lint checks with AndroidLint
if (srcs or common_srcs or resource_files) and not is_android_lint_exempt(ctx):
lint_flags = [
"--java-language-level", # b/159950410
kt_toolchain.java_language_version,
"--kotlin-language-level",
kt_toolchain.kotlin_language_version,
"--nowarn", # Check for "errors", which includes custom checks that report errors.
"--XallowBaselineSuppress", # allow baseline exemptions of otherwise unsuppressable errors
"--exitcode", # fail on error
"--fullpath", # reduce file path clutter in reported issues
"--text",
"stdout", # also log to stdout
]
android_lint_out = lint_actions.run_lint_on_library(
ctx,
runner = kt_toolchain.android_lint_runner,
output = file_factory.declare_file("_android_lint_output.xml"),
srcs = kt_srcs + java_srcs + common_srcs,
source_jars = java_syncer.srcjars,
classpath = full_classpath,
manifest = manifest,
merged_manifest = merged_manifest,
resource_files = resource_files,
baseline_file = androidlint_toolchains.get_baseline(ctx),
config = (None if (kt_srcs or common_srcs) else java_android_lint_config) or kt_toolchain.android_lint_config,
disable_lint_checks = disable_lint_checks,
android_lint_rules = plugins.android_lint_rulesets + [
lint_actions.AndroidLintRulesetInfo(singlejars = java_plugin_classpaths_for_java_srcs),
],
lint_flags = lint_flags,
extra_input_depsets = [p.processor_data for p in java_plugin_datas],
testonly = testonly,
android_java8_libs = kt_toolchain.android_java8_apis_desugared,
mnemonic = "AndroidLint" if is_android_library_without_kt_srcs else "KtAndroidLint", # so LSA extractor can distinguish Kotlin (b/189442586)
)
blocking_action_outs.append(android_lint_out)
# Directly return the JavaInfo from java.compile() for java-only android_library targets
# to avoid creating a new JavaInfo. See b/239847857 for additional context.
if javac_java_info and is_android_library_without_kt_srcs_without_generative_deps:
return struct(
java_info = javac_java_info,
validations = blocking_action_outs,
)
if output_srcjar == None:
output_srcjar = file_factory.declare_file("-src.jar")
compile_jar = file_factory.declare_file("-compile.jar")
single_jar = java_toolchain.single_jar
_singlejar(ctx, out_srcjars, output_srcjar, single_jar, mnemonic = "KtMergeSrcjar", content = "srcjar", preserve_compression = True)
# Don't block compile-time Jar on Android Lint and other validations (b/117991324).
_singlejar(ctx, out_compilejars, compile_jar, single_jar, mnemonic = "KtMergeCompileJar", content = "compile-time Jar")
# Disable validation for Guitar BUILD targets (b/144326858).
# TODO Remove use of RUN_ANALYSIS_TIME_VALIDATION once Guitar disables validations
use_validation = ctx.var.get("RUN_ANALYSIS_TIME_VALIDATION", "true") # will be "0" if set by Guitar
use_validation = ctx.var.get("kt_use_validations", use_validation)
# Include marker file in runtime Jar so we can reliably identify 1P Kotlin code
# TODO: consider only doing this for android_library(
_singlejar(
ctx,
out_jars + ([kt_toolchain.build_marker] if kt_srcs and ctx.label.package.startswith("java/") else []),
output,
single_jar,
preserve_compression = True,
pseudo_inputs = ([] if use_validation == "true" else blocking_action_outs),
)
result_java_info = JavaInfo(
output_jar = output,
compile_jar = compile_jar,
source_jar = output_srcjar,
deps = static_deps,
exports = exports,
exported_plugins = exported_plugins,
runtime_deps = runtime_deps,
manifest_proto = manifest_proto,
neverlink = neverlink,
jdeps = jdeps_output,
compile_jdeps = compile_jdeps_output,
native_libraries = native_libraries,
native_headers_jar = java_native_headers_jar,
generated_source_jar = java_gensrcjar,
generated_class_jar = java_genjar,
)
return struct(
java_info = result_java_info,
validations = (blocking_action_outs if use_validation == "true" else []),
)
def _kt_jvm_import(
ctx,
kt_toolchain,
jars = [],
srcjar = None,
deps = [],
runtime_deps = [],
neverlink = False,
java_toolchain = None,
deps_checker = None):
if not java_toolchain:
fail("Missing or invalid java_toolchain")
if not jars:
fail("Must import at least one JAR")
_check_srcs_package(ctx.label.package, jars, "jars")
if srcjar:
_check_srcs_package(ctx.label.package, [srcjar], "srcjar")
file_factory = FileFactory(ctx, jars[0])
deps = java_common.merge(deps + kt_toolchain.kotlin_libs)
# Check that any needed deps are declared unless neverlink, in which case Jars won't be used
# at runtime so we skip the check, though we'll populate jdeps either way.
jdeps_output = file_factory.declare_file(".jdeps")
_run_import_deps_checker(
ctx,
jars_to_check = jars,
merged_deps = deps,
enforce_strict_deps = not neverlink,
jdeps_output = jdeps_output,
deps_checker = deps_checker,
java_toolchain = java_toolchain,
)
java_info = java_common.merge([
JavaInfo(
output_jar = jar,
compile_jar = java_common.run_ijar(
actions = ctx.actions,
jar = jar,
target_label = _get_original_kt_target_label(ctx),
java_toolchain = java_toolchain,
),
source_jar = srcjar,
deps = [deps],
runtime_deps = runtime_deps,
neverlink = neverlink,
# TODO: Set compile-time jdeps to help reduce Javac classpaths downstream
jdeps = jdeps_output, # not clear this is useful but let's populate since we have it
)
for jar in jars
])
# TODO Remove use of RUN_ANALYSIS_TIME_VALIDATION once Guitar disables validations
use_validation = ctx.var.get("RUN_ANALYSIS_TIME_VALIDATION", "true") # will be "0" if set by Guitar
return struct(
java_info = java_info,
validations = [jdeps_output] if use_validation == "true" and not neverlink else [],
)
def _validate_proguard_specs(
ctx,
proguard_specs,
proguard_allowlister):
validated_proguard_specs = []
for proguard_spec in proguard_specs:
validated_proguard_spec = ctx.actions.declare_file(
"validated_proguard/%s/%s_valid" % (ctx.label.name, proguard_spec.path),
)
validated_proguard_specs.append(validated_proguard_spec)
args = ctx.actions.args()
args.add("--path", proguard_spec)
args.add("--output", validated_proguard_spec)
ctx.actions.run(
executable = proguard_allowlister,
toolchain = kt_jvm_toolchains.type,
arguments = [args],
inputs = [proguard_spec],
outputs = [validated_proguard_spec],
mnemonic = "ValidateProguard",
progress_message = (
"Validating proguard configuration %s" % proguard_spec
),
)
return validated_proguard_specs
def _collect_proguard_specs(
ctx,
proguard_specs,
propagated_deps,
proguard_allowlister):
validated_proguard_specs = _validate_proguard_specs(
ctx,
proguard_specs,
proguard_allowlister,
)
return depset(
validated_proguard_specs,
transitive = [p.specs for p in _collect_providers(ProguardSpecProvider, propagated_deps)],
order = "preorder",
)
def _collect_providers(provider, deps):
"""Collects the requested provider from the given list of deps."""
return [dep[provider] for dep in deps if provider in dep]
def _create_classpath(java_toolchain, deps):
# To not confuse strictdeps, order as boot > direct > transitive JARs (b/149107867).
return depset(
order = "preorder",
transitive = (
[java_toolchain.bootclasspath] +
[dep.compile_jars for dep in deps] +
[dep.transitive_compile_time_jars for dep in deps]
),
)
def _partition(sequence, filter):
pos, neg = [], []
for element in sequence:
if filter(element):
pos.append(element)
else:
neg.append(element)
return pos, neg
common = struct(
JAR_FILE_TYPE = _JAR_FILE_TYPE,
JVM_FLAGS = BASE_JVMOPTS,
KT_FILE_TYPES = _KT_FILE_TYPES,
KT_JVM_FILE_TYPES = _KT_JVM_FILE_TYPES,
RULE_FAMILY = _RULE_FAMILY,
SRCJAR_FILE_TYPES = _SRCJAR_FILE_TYPES,
collect_proguard_specs = _collect_proguard_specs,
collect_providers = _collect_providers,
create_jar_from_tree_artifacts = kt_srcjars.zip_resources,
get_common_and_user_kotlinc_args = _get_common_and_user_kotlinc_args,
is_kt_src = _is_kt_src,
kt_jvm_import = _kt_jvm_import,
kt_jvm_library = _kt_jvm_library,
kt_plugins_map = _kt_plugins_map,
partition = _partition,
)