1 files changed, 57 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/common/options/OptionInstanceOrigin.java b/src/main/java/com/google/devtools/common/options/OptionInstanceOrigin.java
new file mode 100644
index 0000000000..584e75b9fc
--- /dev/null
+++ b/src/main/java/com/google/devtools/common/options/OptionInstanceOrigin.java
@@ -0,0 +1,57 @@
+// Copyright 2017 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.common.options;
+
+import javax.annotation.Nullable;
+
+/**
+ * Contains metadata describing the origin of an option. This includes its priority, a message about
+ * where it came from, and whether it was set explicitly or expanded/implied by other flags.
+ */
+public class OptionInstanceOrigin {
+  private final OptionPriority priority;
+  @Nullable private final String source;
+  @Nullable private final OptionDefinition implicitDependent;
+  @Nullable private final OptionDefinition expandedFrom;
+
+  public OptionInstanceOrigin(
+      OptionPriority priority,
+      String source,
+      OptionDefinition implicitDependent,
+      OptionDefinition expandedFrom) {
+    this.priority = priority;
+    this.source = source;
+    this.implicitDependent = implicitDependent;
+    this.expandedFrom = expandedFrom;
+  }
+
+  public OptionPriority getPriority() {
+    return priority;
+  }
+
+  @Nullable
+  public String getSource() {
+    return source;
+  }
+
+  @Nullable
+  public OptionDefinition getImplicitDependent() {
+    return implicitDependent;
+  }
+
+  @Nullable
+  public OptionDefinition getExpandedFrom() {
+    return expandedFrom;
+  }
+}