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Kapt3: Extract annotation processing to its own task in Gradle. Now t…
…he kotlinCompile task should know nothing about kapt, for the main task it's just a regular Java source root.
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65 changes: 65 additions & 0 deletions
65
...ols/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/KaptTask.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package org.jetbrains.kotlin.gradle.internal | ||
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| import org.gradle.api.GradleException | ||
| import org.gradle.api.tasks.SourceTask | ||
| import org.gradle.api.tasks.TaskAction | ||
| import org.gradle.api.tasks.compile.AbstractCompile | ||
| import org.jetbrains.kotlin.cli.common.ExitCode | ||
| import org.jetbrains.kotlin.cli.common.arguments.K2JVMCompilerArguments | ||
| import org.jetbrains.kotlin.cli.jvm.K2JVMCompiler | ||
| import org.jetbrains.kotlin.com.intellij.openapi.util.io.FileUtil | ||
| import org.jetbrains.kotlin.gradle.dsl.KotlinJvmOptionsImpl | ||
| import org.jetbrains.kotlin.gradle.dsl.fillDefaultValues | ||
| import org.jetbrains.kotlin.gradle.tasks.* | ||
| import java.io.File | ||
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| open class KaptTask : AbstractCompile() { | ||
| private val rawSourceRoots = FilteringSourceRootsContainer({ !it.isInsideDestinationDir() }) | ||
| private val args = K2JVMCompilerArguments().apply { fillDefaultValues() } | ||
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| internal val pluginOptions = CompilerPluginOptions() | ||
| internal lateinit var kotlinCompileTask: KotlinCompile | ||
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| override fun setSource(sources: Any?) { | ||
| val filteredSources = rawSourceRoots.set(sources) | ||
| super.setSource(filteredSources) | ||
| } | ||
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| override fun source(vararg sources: Any?): SourceTask? { | ||
| val filteredSources = rawSourceRoots.add(*sources) | ||
| return super.source(filteredSources) | ||
| } | ||
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| private fun File.isInsideDestinationDir(): Boolean { | ||
| return FileUtil.isAncestor(destinationDir, this, /* strict = */ false) | ||
| } | ||
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| private fun processCompilerExitCode(exitCode: ExitCode) { | ||
| when (exitCode) { | ||
| ExitCode.COMPILATION_ERROR -> throw GradleException("Annotation processing error. See log for more details") | ||
| ExitCode.INTERNAL_ERROR -> throw GradleException("Annotation processing internal error. See log for more details") | ||
| else -> {} | ||
| } | ||
| } | ||
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| @TaskAction | ||
| override fun compile() { | ||
| /** Delete everything inside the [destinationDir] */ | ||
| destinationDir.deleteRecursively() | ||
| destinationDir.mkdirs() | ||
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| val compiler = K2JVMCompiler() | ||
| val sourceRoots = SourceRoots.ForJvm.create(getSource(), rawSourceRoots) | ||
| val compileClasspath = classpath.filter(File::exists) | ||
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| args.moduleName = kotlinCompileTask.moduleName | ||
| args.pluginClasspaths = pluginOptions.classpath.toTypedArray() | ||
| args.pluginOptions = pluginOptions.arguments.toTypedArray() | ||
| kotlinCompileTask.parentKotlinOptionsImpl?.updateArguments(args) | ||
| KotlinJvmOptionsImpl().updateArguments(args) | ||
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| processCompilerExitCode(compileJvmNotIncrementally(compiler, logger, | ||
| sourceRoots.kotlinSourceFiles, sourceRoots.javaSourceRoots, compileClasspath, | ||
| destinationDir, args)) | ||
| } | ||
| } |
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