66 lines
2.2 KiB
Kotlin
66 lines
2.2 KiB
Kotlin
/*
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* * Copyright 2022 Google LLC. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License);
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package kapt
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import com.google.auto.service.AutoService
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import java.io.IOException
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import java.io.UncheckedIOException
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import java.nio.charset.StandardCharsets.UTF_8
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import java.nio.file.Files
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import java.nio.file.Paths
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import javax.annotation.processing.AbstractProcessor
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import javax.annotation.processing.Processor
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import javax.annotation.processing.RoundEnvironment
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import javax.annotation.processing.SupportedAnnotationTypes
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import javax.lang.model.SourceVersion
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import javax.lang.model.element.TypeElement
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/** Annotation processor to test `data` dependencies specified with [MakeHelper] annotations. */
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@AutoService(Processor::class)
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@SupportedAnnotationTypes("*")
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internal class ProcessorWithData : AbstractProcessor() {
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private val template: String =
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Files.readString(
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Paths.get(
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"tests/jvm/java/kapt/MakeHelperClass.java.template"
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),
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UTF_8
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)
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override fun getSupportedSourceVersion(): SourceVersion = SourceVersion.latestSupported()
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override fun process(
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annotations: Set<TypeElement>,
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roundEnv: RoundEnvironment,
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): Boolean {
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for (element in roundEnv.getElementsAnnotatedWith(MakeHelper::class.java)) {
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val c = element.getAnnotation(MakeHelper::class.java)
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if (c.value.isNotEmpty()) {
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try {
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processingEnv.filer.createSourceFile(c.value, element).openWriter().use {
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it.write(template.replace("|name|", c.value.substring(c.value.lastIndexOf(".") + 1)))
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}
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} catch (e: IOException) {
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throw UncheckedIOException(e)
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}
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}
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}
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return false
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}
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}
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