Move libdexfile out of runtime

Move the files out of runtime, leaving unfortunate dependences still
there on runtime/base (for the moment).  Also separates the build logic
into two Android.bp files.

Bug: 22322814
Test: make -j 50 test-art-host
Change-Id: Ib0a1cda833b29ecfa4c8c50f23fab89ba666f491

1 files changed, 68 insertions, 0 deletions

diff --git a/libdexfile/dex/dex_file_exception_helpers.h b/libdexfile/dex/dex_file_exception_helpers.h
new file mode 100644
index 0000000000..a05fd68e86
--- /dev/null
+++ b/libdexfile/dex/dex_file_exception_helpers.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017 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_DEX_FILE_EXCEPTION_HELPERS_H_
+#define ART_LIBDEXFILE_DEX_DEX_FILE_EXCEPTION_HELPERS_H_
+
+#include "dex_file.h"
+
+namespace art {
+
+class CodeItemDataAccessor;
+
+class CatchHandlerIterator {
+ public:
+  CatchHandlerIterator(const CodeItemDataAccessor& accessor, uint32_t address);
+
+  CatchHandlerIterator(const CodeItemDataAccessor& accessor, const DexFile::TryItem& try_item);
+
+  explicit CatchHandlerIterator(const uint8_t* handler_data) {
+    Init(handler_data);
+  }
+
+  dex::TypeIndex GetHandlerTypeIndex() const {
+    return handler_.type_idx_;
+  }
+  uint32_t GetHandlerAddress() const {
+    return handler_.address_;
+  }
+  void Next();
+  bool HasNext() const {
+    return remaining_count_ != -1 || catch_all_;
+  }
+  // End of this set of catch blocks, convenience method to locate next set of catch blocks
+  const uint8_t* EndDataPointer() const {
+    CHECK(!HasNext());
+    return current_data_;
+  }
+
+ private:
+  void Init(const CodeItemDataAccessor& accessor, int32_t offset);
+  void Init(const uint8_t* handler_data);
+
+  struct CatchHandlerItem {
+    dex::TypeIndex type_idx_;  // type index of the caught exception type
+    uint32_t address_;  // handler address
+  } handler_;
+  const uint8_t* current_data_;  // the current handler in dex file.
+  int32_t remaining_count_;   // number of handlers not read.
+  bool catch_all_;            // is there a handler that will catch all exceptions in case
+                              // that all typed handler does not match.
+};
+
+}  // namespace art
+
+#endif  // ART_LIBDEXFILE_DEX_DEX_FILE_EXCEPTION_HELPERS_H_