Add support for -XepOpt:NullAway:CustomGeneratedCodeAnnotations

Author: tbroyer

README.md

@@ -104,3 +104,4 @@ Each property (except for `severity`) maps to an `-XepOpt:NullAway:[propertyName
 | `customContractAnnotations`    | A list of annotations that should be considered equivalent to `@Contract` annotations.
 | `customNullableAnnotations`    | A list of annotations that should be considered equivalent to `@Nullable` annotations.
 | `customNonnullAnnotations`     | A list of annotations that should be considered equivalent to `@NonNull` annotations, for the cases where NullAway cares about such annotations (see e.g. `acknowledgeRestrictiveAnnotations`).
+| `customGeneratedCodeAnnotations` | A list of annotations that should be considered equivalent to `@Generated` annotations, for the cases where NullAway cares about such annotations (see e.g. `treatGeneratedAsUnannotated`).

src/main/kotlin/net/ltgt/gradle/nullaway/NullAwayOptions.kt

@@ -156,6 +156,10 @@ open class NullAwayOptions internal constructor(
     @get:Input @get:Optional
     val customNonnullAnnotations = objectFactory.listProperty<String>()
 
+    /** A list of annotations that should be considered equivalent to `@Generated` annotations, for the cases where NullAway cares about such annotations (see e.g. [treatGeneratedAsUnannotated]); maps to `-XepOpt:NullAway:CustomGeneratedCodeAnnotations`. */
+    @get:Input @get:Optional
+    val customGeneratedCodeAnnotations = objectFactory.listProperty<String>()
+
     internal fun asArguments(): Iterable<String> = sequenceOf(
         "-Xep:NullAway${severity.getOrElse(CheckSeverity.DEFAULT).asArg}",
         listOption("AnnotatedPackages", annotatedPackages),
@@ -181,7 +185,8 @@ open class NullAwayOptions internal constructor(
         booleanOption("CheckContracts", checkContracts),
         listOption("CustomContractAnnotations", customContractAnnotations),
         listOption("CustomNullableAnnotations", customNullableAnnotations),
-        listOption("CustomNonnullAnnotations", customNonnullAnnotations)
+        listOption("CustomNonnullAnnotations", customNonnullAnnotations),
+        listOption("CustomGeneratedCodeAnnotations", customGeneratedCodeAnnotations)
     )
         .filterNotNull()
         .asIterable()

src/test/kotlin/net/ltgt/gradle/nullaway/AbstractPluginIntegrationTest.kt

@@ -149,6 +149,7 @@ abstract class AbstractPluginIntegrationTest(
                     customContractAnnotations.add("com.example.Contract")
                     customNullableAnnotations.add("com.example.CouldBeNull")
                     customNonnullAnnotations.add("com.example.MustNotBeNull")
+                    customGeneratedCodeAnnotations.add("com.example.Generated")
                 }
             }
             """.trimIndent()

src/test/kotlin/net/ltgt/gradle/nullaway/GroovyDslIntegrationTest.kt

@@ -112,6 +112,7 @@ class GroovyDslIntegrationTest {
                     customContractAnnotations = ["com.example.Contract"]
                     customNullableAnnotations = ["com.example.CouldBeNull"]
                     customNonnullAnnotations = ["com.example.MustNotBeNull"]
+                    customGeneratedCodeAnnotations = ["com.example.Generated"]
                 }
             }
             """.trimIndent()

src/test/kotlin/net/ltgt/gradle/nullaway/fixtures.kt

@@ -9,7 +9,7 @@ val testGradleVersion = System.getProperty("test.gradle-version", GradleVersion.
 
 const val errorproneVersion = "2.10.0"
 const val errorproneJavacVersion = "9+181-r4173-1"
-const val nullawayVersion = "0.9.5"
+const val nullawayVersion = "0.10.2"
 
 const val FAILURE_SOURCE_COMPILATION_ERROR = "Failure.java:8: warning: [NullAway]"