Move some remaining dex utilities

There were several utilities related to building/walking/testing dex
files that were not in libdexfile.  This change consolidates these.

Bug: 22322814
Test: make -j 50 test-art-host
Change-Id: Id76e9179d03b8ec7d67f7e0f267121f54f0ec2e0

1 files changed, 42 insertions, 0 deletions

diff --git a/libdexfile/dex/class_reference.h b/libdexfile/dex/class_reference.h
new file mode 100644
index 0000000000..c056213de4
--- /dev/null
+++ b/libdexfile/dex/class_reference.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef ART_LIBDEXFILE_DEX_CLASS_REFERENCE_H_
+#define ART_LIBDEXFILE_DEX_CLASS_REFERENCE_H_
+
+#include <stdint.h>
+#include <utility>
+
+#include "dex/dex_file_reference.h"
+
+namespace art {
+
+class DexFile;
+
+// A class is uniquely located by its DexFile and the class_defs_ table index into that DexFile
+class ClassReference : public DexFileReference {
+ public:
+  ClassReference(const DexFile* file, uint32_t class_def_idx)
+     : DexFileReference(file, class_def_idx) {}
+
+  uint32_t ClassDefIdx() const {
+    return index;
+  }
+};
+
+}  // namespace art
+
+#endif  // ART_LIBDEXFILE_DEX_CLASS_REFERENCE_H_