Separate DexIr building from constructors.
Move all the construction from DexFile out of the constructors of the
basic IR.
Bug: 29921113
Change-Id: I3f79c104ce7183ddde73f143c047061416009a54
Test: test-art-host-gtest
diff --git a/dexlayout/dex_ir_builder.h b/dexlayout/dex_ir_builder.h
new file mode 100644
index 0000000..c53157b
--- /dev/null
+++ b/dexlayout/dex_ir_builder.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016 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.
+ *
+ * Header file of an in-memory representation of DEX files.
+ */
+
+#ifndef ART_DEXLAYOUT_DEX_IR_BUILDER_H_
+#define ART_DEXLAYOUT_DEX_IR_BUILDER_H_
+
+#include "dex_ir.h"
+
+namespace art {
+namespace dex_ir {
+
+dex_ir::Header* DexIrBuilder(const DexFile& dex_file);
+
+} // namespace dex_ir
+} // namespace art
+
+#endif // ART_DEXLAYOUT_DEX_IR_BUILDER_H_