1 files changed, 38 insertions, 0 deletions
diff --git a/src/main/java/com/android/tools/r8/naming/ProguardMapError.java b/src/main/java/com/android/tools/r8/naming/ProguardMapError.java
new file mode 100644
index 000000000..ce659e1c4
--- /dev/null
+++ b/src/main/java/com/android/tools/r8/naming/ProguardMapError.java
@@ -0,0 +1,38 @@
+// Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+package com.android.tools.r8.naming;
+
+import com.android.tools.r8.errors.CompilationError;
+import com.android.tools.r8.graph.DexField;
+import com.android.tools.r8.graph.DexMethod;
+import com.android.tools.r8.graph.DexType;
+
+public class ProguardMapError extends CompilationError {
+  private ProguardMapError(String message) {
+    super(message);
+  }
+
+  private ProguardMapError(String message, Throwable cause) {
+    super(message, cause);
+  }
+
+  static ProguardMapError keptTypeWasRenamed(DexType type, String keptName, String rename) {
+    return new ProguardMapError(
+        "Warning: " + type + createMessageForConflict(keptName, rename));
+  }
+
+  static ProguardMapError keptMethodWasRenamed(DexMethod method, String keptName, String rename) {
+    return new ProguardMapError(
+        "Warning: " + method.toSourceString() + createMessageForConflict(keptName, rename));
+  }
+
+  static ProguardMapError keptFieldWasRenamed(DexField field, String keptName, String rename) {
+    return new ProguardMapError(
+        "Warning: " + field.toSourceString() + createMessageForConflict(keptName, rename));
+  }
+
+  private static String createMessageForConflict(String keptName, String rename) {
+    return " is not being kept as '" + keptName + "', but remapped to '" + rename + "'";
+  }
+}