configurations {
	jmh {
		extendsFrom compile
	}
}

sourceSets {
	jmh {
		java.srcDirs = ['src/jmh/java']
        resources.srcDirs = ['src/jmh/resources']
        compileClasspath += sourceSets.main.runtimeClasspath
        compileClasspath += sourceSets.test.runtimeClasspath
	}
}

dependencies {
	jmhCompile "org.openjdk.jmh:jmh-core:${jmhVersion}"
	jmhAnnotationProcessor "org.openjdk.jmh:jmh-generator-annprocess:${jmhVersion}"
}

task jmh(type: JavaExec, dependsOn: jmhClasses) {
    main = 'org.openjdk.jmh.Main'
    classpath = sourceSets.jmh.compileClasspath + sourceSets.jmh.runtimeClasspath
}

eclipse.classpath {
	plusConfigurations += [configurations.jmhCompile, configurations.jmhRuntime]

	file.whenMerged { classpath ->
		for (entry in classpath.entries) {
			// Workaround from https://github.com/gradle/gradle/issues/4802#issuecomment-407902081
			if (entry in org.gradle.plugins.ide.eclipse.model.AbstractClasspathEntry) {
				def usedBy = (entry.entryAttributes['gradle_used_by_scope'] ?: '').split(',')
				if (usedBy == ['jmh']) {
					// Allow test helper classes to be used in benchmarks from Eclipse
					// and do not expose JMH dependencies to the main source code.
					entry.entryAttributes['test'] = true
				} else if ((usedBy.contains('main') || usedBy.contains('test')) && !usedBy.contains('jmh')) {
					// main and test sources are also used by jmh sources.
					usedBy += 'jmh'
					entry.entryAttributes['gradle_used_by_scope'] = usedBy.join(',')
				}
			}
		}
	}
}