| // 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.skylarkbuildapi.java; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.events.Location; |
| import com.google.devtools.build.lib.skylarkbuildapi.FileApi; |
| import com.google.devtools.build.lib.skylarkbuildapi.ProviderApi; |
| import com.google.devtools.build.lib.skylarkbuildapi.SkylarkActionFactoryApi; |
| import com.google.devtools.build.lib.skylarkbuildapi.SkylarkRuleContextApi; |
| import com.google.devtools.build.lib.skylarkbuildapi.TransitiveInfoCollectionApi; |
| import com.google.devtools.build.lib.skylarkbuildapi.platform.ToolchainInfoApi; |
| import com.google.devtools.build.lib.skylarkinterface.Param; |
| import com.google.devtools.build.lib.skylarkinterface.ParamType; |
| import com.google.devtools.build.lib.skylarkinterface.SkylarkCallable; |
| import com.google.devtools.build.lib.skylarkinterface.SkylarkModule; |
| import com.google.devtools.build.lib.syntax.Environment; |
| import com.google.devtools.build.lib.syntax.EvalException; |
| import com.google.devtools.build.lib.syntax.SkylarkList; |
| import com.google.devtools.build.lib.syntax.SkylarkNestedSet; |
| import com.google.devtools.build.lib.syntax.SkylarkSemantics; |
| import javax.annotation.Nullable; |
| |
| /** Utilities for Java compilation support in Skylark. */ |
| @SkylarkModule(name = "java_common", doc = "Utilities for Java compilation support in Starlark.") |
| public interface JavaCommonApi< |
| FileT extends FileApi, |
| JavaInfoT extends JavaInfoApi<FileT>, |
| SkylarkRuleContextT extends SkylarkRuleContextApi, |
| SkylarkActionFactoryT extends SkylarkActionFactoryApi> { |
| |
| @SkylarkCallable( |
| name = "create_provider", |
| doc = |
| "This API is deprecated. It will be disabled by default in Bazel 0.23. Please use " |
| + "<a href =" |
| + "'https://docs.bazel.build/versions/master/skylark/lib/JavaInfo.html#JavaInfo'>" |
| + "JavaInfo()</a> instead." |
| + "Creates a JavaInfo from jars. compile_time/runtime_jars are the outputs of the " |
| + "target providing a JavaInfo, while transitive_*_jars represent their dependencies." |
| + "<p>Note: compile_time_jars and runtime_jars are not automatically merged into the " |
| + "transitive jars (unless the given transitive_*_jars are empty) - if this is the " |
| + "desired behaviour the user should merge the jars before creating the provider." |
| + "<p>This function also creates actions to generate interface jars by default." |
| + "<p>When use_ijar is True, ijar will be run on the given compile_time_jars and the " |
| + "resulting interface jars will be stored as compile_jars, " |
| + "while the initial jars will be stored as full_compile_jars. " |
| + "<p>When use_ijar=False, the given compile_time_jars will be stored as both " |
| + "compile_jars and full_compile_jars. No actions are created. " |
| + "See JavaInfo#compile_jars and JavaInfo#full_compile_jars for more details." |
| + "<p>Currently only " |
| + "<a href='https://github.com/bazelbuild/bazel/tree/master/third_party/ijar'>" |
| + "ijar</a>" |
| + " is supported for generating interface jars. " |
| + "Header compilation is not yet supported.", |
| parameters = { |
| @Param( |
| name = "actions", |
| type = SkylarkActionFactoryApi.class, |
| noneable = true, |
| defaultValue = "None", |
| doc = |
| "The ctx.actions object, used to register the actions for creating the " |
| + "interface jars. Only set if use_ijar=True."), |
| @Param( |
| name = "compile_time_jars", |
| positional = false, |
| named = true, |
| allowedTypes = { |
| @ParamType(type = SkylarkList.class), |
| @ParamType(type = SkylarkNestedSet.class), |
| }, |
| generic1 = FileApi.class, |
| defaultValue = "[]", |
| doc = "A list or a set of jars that should be used at compilation for a given target."), |
| @Param( |
| name = "runtime_jars", |
| positional = false, |
| named = true, |
| allowedTypes = { |
| @ParamType(type = SkylarkList.class), |
| @ParamType(type = SkylarkNestedSet.class), |
| }, |
| generic1 = FileApi.class, |
| defaultValue = "[]", |
| doc = "A list or a set of jars that should be used at runtime for a given target."), |
| @Param( |
| name = "use_ijar", |
| positional = false, |
| named = true, |
| type = Boolean.class, |
| defaultValue = "True", |
| doc = |
| "If True it will generate interface jars for every jar in compile_time_jars." |
| + "The generating interface jars will be stored as compile_jars " |
| + "and the initial (full) compile_time_jars will be stored as " |
| + "full_compile_jars. If False the given compile_jars will be " |
| + "stored as both compile_jars and full_compile_jars."), |
| @Param( |
| name = "java_toolchain", |
| positional = false, |
| named = true, |
| type = Object.class, |
| allowedTypes = { |
| @ParamType(type = TransitiveInfoCollectionApi.class), |
| @ParamType(type = ToolchainInfoApi.class) |
| }, |
| noneable = true, |
| defaultValue = "None", |
| doc = |
| "A JavaToolchainInfo to be used for retrieving the ijar " |
| + "tool. Only set when use_ijar is True."), |
| @Param( |
| name = "transitive_compile_time_jars", |
| positional = false, |
| named = true, |
| allowedTypes = { |
| @ParamType(type = SkylarkList.class), |
| @ParamType(type = SkylarkNestedSet.class), |
| }, |
| generic1 = FileApi.class, |
| defaultValue = "[]", |
| doc = |
| "A list or set of compile time jars collected from the transitive closure of a " |
| + "rule."), |
| @Param( |
| name = "transitive_runtime_jars", |
| positional = false, |
| named = true, |
| allowedTypes = { |
| @ParamType(type = SkylarkList.class), |
| @ParamType(type = SkylarkNestedSet.class), |
| }, |
| generic1 = FileApi.class, |
| defaultValue = "[]", |
| doc = "A list or set of runtime jars collected from the transitive closure of a rule."), |
| @Param( |
| name = "source_jars", |
| positional = false, |
| named = true, |
| allowedTypes = { |
| @ParamType(type = SkylarkList.class), |
| @ParamType(type = SkylarkNestedSet.class), |
| }, |
| generic1 = FileApi.class, |
| defaultValue = "[]", |
| doc = |
| "A list or set of output source jars that contain the uncompiled source files " |
| + "including the source files generated by annotation processors if the case.") |
| }, |
| useLocation = true, |
| useEnvironment = true) |
| public JavaInfoT create( |
| @Nullable Object actionsUnchecked, |
| Object compileTimeJars, |
| Object runtimeJars, |
| Boolean useIjar, |
| @Nullable Object javaToolchainUnchecked, |
| Object transitiveCompileTimeJars, |
| Object transitiveRuntimeJars, |
| Object sourceJars, |
| Location location, |
| Environment environment) |
| throws EvalException; |
| |
| @SkylarkCallable( |
| name = "provider", |
| structField = true, |
| doc = |
| "Returns the Java declared provider. <br>" |
| + "The same value is accessible as <code>JavaInfo</code>. <br>" |
| + "Prefer using <code>JavaInfo</code> in new code.") |
| public ProviderApi getJavaProvider(); |
| |
| @SkylarkCallable( |
| name = "compile", |
| doc = |
| "Compiles Java source files/jars from the implementation of a Starlark rule and returns " |
| + "a provider that represents the results of the compilation and can be added to " |
| + "the set of providers emitted by this rule.", |
| parameters = { |
| @Param( |
| name = "ctx", |
| positional = true, |
| named = false, |
| type = SkylarkRuleContextApi.class, |
| doc = "The rule context."), |
| @Param( |
| name = "source_jars", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = FileApi.class, |
| defaultValue = "[]", |
| doc = |
| "A list of the jars to be compiled. At least one of source_jars or source_files" |
| + " should be specified."), |
| @Param( |
| name = "source_files", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = FileApi.class, |
| defaultValue = "[]", |
| doc = |
| "A list of the Java source files to be compiled. At least one of source_jars or " |
| + "source_files should be specified."), |
| @Param(name = "output", positional = false, named = true, type = FileApi.class), |
| @Param( |
| name = "output_source_jar", |
| positional = false, |
| named = true, |
| type = FileApi.class, |
| noneable = true, |
| defaultValue = "None", |
| doc = "The output source jar. Optional. Defaults to `{output_jar}-src.jar` if unset."), |
| @Param( |
| name = "javac_opts", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = String.class, |
| defaultValue = "[]", |
| doc = "A list of the desired javac options. Optional."), |
| @Param( |
| name = "deps", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = JavaInfoApi.class, |
| defaultValue = "[]", |
| doc = "A list of dependencies. Optional."), |
| @Param( |
| name = "exports", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = JavaInfoApi.class, |
| defaultValue = "[]", |
| doc = "A list of exports. Optional."), |
| @Param( |
| name = "plugins", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = JavaInfoApi.class, |
| defaultValue = "[]", |
| doc = "A list of plugins. Optional."), |
| @Param( |
| name = "exported_plugins", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = JavaInfoApi.class, |
| defaultValue = "[]", |
| doc = "A list of exported plugins. Optional."), |
| @Param( |
| name = "strict_deps", |
| defaultValue = "'ERROR'", |
| positional = false, |
| named = true, |
| type = String.class, |
| doc = |
| "A string that specifies how to handle strict deps. Possible values: 'OFF', " |
| + "'ERROR', 'WARN' and 'DEFAULT'. For more details see " |
| + "https://docs.bazel.build/versions/master/bazel-user-manual.html#" |
| + "flag--strict_java_deps. By default 'ERROR'."), |
| @Param( |
| name = "java_toolchain", |
| positional = false, |
| named = true, |
| type = Object.class, |
| allowedTypes = { |
| @ParamType(type = TransitiveInfoCollectionApi.class), |
| @ParamType(type = ToolchainInfoApi.class) |
| }, |
| doc = "A JavaToolchainInfo to be used for this compilation. Mandatory."), |
| @Param( |
| name = "host_javabase", |
| positional = false, |
| named = true, |
| type = Object.class, |
| allowedTypes = { |
| @ParamType(type = TransitiveInfoCollectionApi.class), |
| @ParamType(type = JavaRuntimeInfoApi.class) |
| }, |
| doc = "A JavaRuntimeInfo to be used for this compilation. Mandatory."), |
| @Param( |
| name = "sourcepath", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = FileApi.class, |
| defaultValue = "[]"), |
| @Param( |
| name = "resources", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = FileApi.class, |
| defaultValue = "[]"), |
| @Param( |
| name = "neverlink", |
| positional = false, |
| named = true, |
| type = Boolean.class, |
| defaultValue = "False") |
| }, |
| useLocation = true, |
| useEnvironment = true) |
| public JavaInfoT createJavaCompileAction( |
| SkylarkRuleContextT skylarkRuleContext, |
| SkylarkList<FileT> sourceJars, |
| SkylarkList<FileT> sourceFiles, |
| FileT outputJar, |
| Object outputSourceJar, |
| SkylarkList<String> javacOpts, |
| SkylarkList<JavaInfoT> deps, |
| SkylarkList<JavaInfoT> exports, |
| SkylarkList<JavaInfoT> plugins, |
| SkylarkList<JavaInfoT> exportedPlugins, |
| String strictDepsMode, |
| Object javaToolchain, |
| Object hostJavabase, |
| SkylarkList<FileT> sourcepathEntries, |
| SkylarkList<FileT> resources, |
| Boolean neverlink, |
| Location loc, |
| Environment environment) |
| throws EvalException, InterruptedException; |
| |
| @SkylarkCallable( |
| name = "run_ijar", |
| doc = |
| "Runs ijar on a jar, stripping it of its method bodies. This helps reduce rebuilding " |
| + "of dependent jars during any recompiles consisting only of simple changes to " |
| + "method implementations. The return value is typically passed to " |
| + "<code><a class=\"anchor\" href=\"JavaInfo.html\">" |
| + "JavaInfo</a>#compile_jar</code>.", |
| parameters = { |
| @Param( |
| name = "actions", |
| named = true, |
| type = SkylarkActionFactoryApi.class, |
| doc = "ctx.actions"), |
| @Param( |
| name = "jar", |
| positional = false, |
| named = true, |
| type = FileApi.class, |
| doc = "The jar to run ijar on."), |
| @Param( |
| name = "target_label", |
| positional = false, |
| named = true, |
| type = Label.class, |
| noneable = true, |
| defaultValue = "None", |
| doc = |
| "A target label to stamp the jar with. Used for <code>add_dep</code> support. " |
| + "Typically, you would pass <code>ctx.label</code> to stamp the jar " |
| + "with the current rule's label."), |
| @Param( |
| name = "java_toolchain", |
| positional = false, |
| named = true, |
| type = Object.class, |
| allowedTypes = { |
| @ParamType(type = TransitiveInfoCollectionApi.class), |
| @ParamType(type = ToolchainInfoApi.class) |
| }, |
| doc = "A JavaToolchainInfo to used to find the ijar tool."), |
| }, |
| useSkylarkSemantics = true, |
| useLocation = true) |
| public FileApi runIjar( |
| SkylarkActionFactoryT actions, |
| FileT jar, |
| Object targetLabel, |
| Object javaToolchain, |
| Location location, |
| SkylarkSemantics semantics) |
| throws EvalException; |
| |
| @SkylarkCallable( |
| name = "stamp_jar", |
| doc = |
| "Stamps a jar with a target label for <code>add_dep</code> support. " |
| + "The return value is typically passed to " |
| + "<code><a class=\"anchor\" href=\"JavaInfo.html\">" |
| + "JavaInfo</a>#compile_jar</code>. " |
| + "Prefer to use " |
| + "<code><a class=\"anchor\" href=\"java_common.html#run_ijar\">run_ijar</a></code> " |
| + "when possible.", |
| parameters = { |
| @Param( |
| name = "actions", |
| named = true, |
| type = SkylarkActionFactoryApi.class, |
| doc = "ctx.actions"), |
| @Param( |
| name = "jar", |
| positional = false, |
| named = true, |
| type = FileApi.class, |
| doc = "The jar to run stamp_jar on."), |
| @Param( |
| name = "target_label", |
| positional = false, |
| named = true, |
| type = Label.class, |
| doc = |
| "A target label to stamp the jar with. Used for <code>add_dep</code> support. " |
| + "Typically, you would pass <code>ctx.label</code> to stamp the jar " |
| + "with the current rule's label."), |
| @Param( |
| name = "java_toolchain", |
| positional = false, |
| named = true, |
| type = Object.class, |
| allowedTypes = { |
| @ParamType(type = TransitiveInfoCollectionApi.class), |
| @ParamType(type = ToolchainInfoApi.class) |
| }, |
| doc = "A JavaToolchainInfo to used to find the stamp_jar tool."), |
| }, |
| useSkylarkSemantics = true, |
| useLocation = true) |
| public FileApi stampJar( |
| SkylarkActionFactoryT actions, |
| FileT jar, |
| Label targetLabel, |
| Object javaToolchain, |
| Location location, |
| SkylarkSemantics semantics) |
| throws EvalException; |
| |
| @SkylarkCallable( |
| name = "pack_sources", |
| doc = |
| "Packs sources and source jars into a single source jar file. " |
| + "The return value is typically passed to" |
| + "<p><code><a class=\"anchor\" href=\"JavaInfo.html\">" |
| + "JavaInfo</a>#source_jar</code></p>.", |
| parameters = { |
| @Param( |
| name = "actions", |
| named = true, |
| type = SkylarkActionFactoryApi.class, |
| doc = "ctx.actions"), |
| @Param( |
| name = "output_jar", |
| positional = false, |
| named = true, |
| type = FileApi.class, |
| doc = "The output jar of the rule. Used to name the resulting source jar."), |
| @Param( |
| name = "sources", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = FileApi.class, |
| defaultValue = "[]", |
| doc = "A list of Java source files to be packed into the source jar."), |
| @Param( |
| name = "source_jars", |
| positional = false, |
| named = true, |
| type = SkylarkList.class, |
| generic1 = FileApi.class, |
| defaultValue = "[]", |
| doc = "A list of source jars to be packed into the source jar."), |
| @Param( |
| name = "java_toolchain", |
| positional = false, |
| named = true, |
| type = Object.class, |
| allowedTypes = { |
| @ParamType(type = TransitiveInfoCollectionApi.class), |
| @ParamType(type = ToolchainInfoApi.class) |
| }, |
| doc = "A JavaToolchainInfo to used to find the ijar tool."), |
| @Param( |
| name = "host_javabase", |
| positional = false, |
| named = true, |
| type = Object.class, |
| allowedTypes = { |
| @ParamType(type = TransitiveInfoCollectionApi.class), |
| @ParamType(type = JavaRuntimeInfoApi.class) |
| }, |
| doc = "A JavaRuntimeInfo to be used for packing sources."), |
| }, |
| allowReturnNones = true, |
| useSkylarkSemantics = true, |
| useLocation = true) |
| public FileApi packSources( |
| SkylarkActionFactoryT actions, |
| FileT outputJar, |
| SkylarkList<FileT> sourceFiles, |
| SkylarkList<FileT> sourceJars, |
| Object javaToolchain, |
| Object hostJavabase, |
| Location location, |
| SkylarkSemantics semantics) |
| throws EvalException; |
| |
| @SkylarkCallable( |
| name = "default_javac_opts", |
| // This function is experimental for now. |
| documented = false, |
| parameters = { |
| @Param( |
| name = "ctx", |
| positional = true, |
| named = false, |
| type = Object.class, |
| allowedTypes = {@ParamType(type = SkylarkRuleContextApi.class)}, |
| noneable = true, |
| defaultValue = "None", |
| doc = "The rule context."), |
| @Param( |
| name = "java_toolchain_attr", |
| positional = false, |
| named = true, |
| type = Object.class, |
| allowedTypes = {@ParamType(type = String.class)}, |
| noneable = true, |
| defaultValue = "None"), |
| @Param( |
| name = "java_toolchain", |
| positional = false, |
| named = true, |
| type = Object.class, |
| allowedTypes = {@ParamType(type = ToolchainInfoApi.class)}, |
| noneable = true, |
| defaultValue = "None", |
| doc = |
| "A JavaToolchainInfo to be used for retrieving the ijar " |
| + "tool. Only set when use_ijar is True."), |
| }, |
| useSkylarkSemantics = true, |
| useLocation = true) |
| // TODO(b/78512644): migrate callers to passing explicit javacopts or using custom toolchains, and |
| // delete |
| public ImmutableList<String> getDefaultJavacOpts( |
| Object skylarkRuleContext, |
| Object javaToolchainAttr, |
| Object javaToolchain, |
| Location loc, |
| SkylarkSemantics semantics) |
| throws EvalException; |
| |
| @SkylarkCallable( |
| name = "merge", |
| doc = "Merges the given providers into a single JavaInfo.", |
| parameters = { |
| @Param( |
| name = "providers", |
| positional = true, |
| named = false, |
| type = SkylarkList.class, |
| generic1 = JavaInfoApi.class, |
| doc = "The list of providers to merge."), |
| }) |
| public JavaInfoT mergeJavaProviders(SkylarkList<JavaInfoT> providers); |
| |
| @SkylarkCallable( |
| name = "make_non_strict", |
| doc = |
| "Returns a new Java provider whose direct-jars part is the union of both the direct and" |
| + " indirect jars of the given Java provider.", |
| parameters = { |
| @Param( |
| name = "java_info", |
| positional = true, |
| named = false, |
| type = JavaInfoApi.class, |
| doc = "The java info."), |
| }) |
| public JavaInfoT makeNonStrict(JavaInfoT javaInfo); |
| |
| @SkylarkCallable( |
| name = "JavaToolchainInfo", |
| doc = |
| "The key used to retrieve the provider that contains information about the Java " |
| + "toolchain being used.", |
| structField = true) |
| public ProviderApi getJavaToolchainProvider(); |
| |
| @SkylarkCallable( |
| name = "JavaRuntimeInfo", |
| doc = |
| "The key used to retrieve the provider that contains information about the Java " |
| + "runtime being used.", |
| structField = true) |
| public ProviderApi getJavaRuntimeProvider(); |
| |
| @SkylarkCallable( |
| name = "is_java_toolchain_resolution_enabled_do_not_use", |
| documented = false, |
| parameters = { |
| @Param( |
| name = "ctx", |
| positional = false, |
| named = true, |
| type = SkylarkRuleContextApi.class, |
| doc = "The rule context."), |
| }, |
| doc = "Returns true if --experimental_use_toolchain_resolution_for_java_rules is enabled.") |
| boolean isJavaToolchainResolutionEnabled(SkylarkRuleContextT ruleContext) throws EvalException; |
| } |