From 78af866f5a2e20bfcb6bda1802443385d8f80c1a Mon Sep 17 00:00:00 2001
From: Yan Zhulanow <yan.zhulanow@jetbrains.com>
Date: Tue, 2 Jun 2015 22:23:51 +0300
Subject: [PATCH] kapt: Do not fail if annotations.txt file does not exist

---
 .../kotlin/annotation/AnnotationProcessorWrapper.kt      | 9 +++++++--
 .../kotlin/annotation/KotlinAnnotationProvider.kt        | 4 ++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/libraries/tools/kotlin-annotation-processing/src/main/kotlin/org/jetbrains/kotlin/annotation/AnnotationProcessorWrapper.kt b/libraries/tools/kotlin-annotation-processing/src/main/kotlin/org/jetbrains/kotlin/annotation/AnnotationProcessorWrapper.kt
index be5fc20daeb..2b6fae96b1c 100644
--- a/libraries/tools/kotlin-annotation-processing/src/main/kotlin/org/jetbrains/kotlin/annotation/AnnotationProcessorWrapper.kt
+++ b/libraries/tools/kotlin-annotation-processing/src/main/kotlin/org/jetbrains/kotlin/annotation/AnnotationProcessorWrapper.kt
@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.annotation
 
+import java.io.IOException
 import javax.annotation.processing.*
 import javax.lang.model.SourceVersion
 import javax.lang.model.element.AnnotationMirror
@@ -75,8 +76,12 @@ public abstract class AnnotationProcessorWrapper(
             return
         }
 
-        val annotationsTxt = processingEnv.getFiler().getResource(StandardLocation.CLASS_PATH, "", "annotations.$taskQualifier.txt")
-        kotlinAnnotationsProvider = FileObjectKotlinAnnotationProvider(annotationsTxt)
+        try {
+            val annotationsTxt = processingEnv.getFiler().getResource(StandardLocation.CLASS_PATH, "", "annotations.$taskQualifier.txt")
+            kotlinAnnotationsProvider = FileObjectKotlinAnnotationProvider(annotationsTxt)
+        } catch (e: IOException) {
+            kotlinAnnotationsProvider = EmptyKotlinAnnotationsProvider()
+        }
 
         processor.init(processingEnv)
     }
diff --git a/libraries/tools/kotlin-annotation-processing/src/main/kotlin/org/jetbrains/kotlin/annotation/KotlinAnnotationProvider.kt b/libraries/tools/kotlin-annotation-processing/src/main/kotlin/org/jetbrains/kotlin/annotation/KotlinAnnotationProvider.kt
index 7b2e58a0a09..02600cd64f9 100644
--- a/libraries/tools/kotlin-annotation-processing/src/main/kotlin/org/jetbrains/kotlin/annotation/KotlinAnnotationProvider.kt
+++ b/libraries/tools/kotlin-annotation-processing/src/main/kotlin/org/jetbrains/kotlin/annotation/KotlinAnnotationProvider.kt
@@ -104,4 +104,8 @@ public abstract class KotlinAnnotationProvider {
 public class FileObjectKotlinAnnotationProvider(val annotationsFileObject: FileObject): KotlinAnnotationProvider() {
     override val serializedAnnotations: String
         get() = annotationsFileObject.getCharContent(false).toString()
+}
+
+public class EmptyKotlinAnnotationsProvider : KotlinAnnotationProvider() {
+    override val serializedAnnotations = ""
 }
\ No newline at end of file