Revert "Make libbcc public."

This reverts commit 80232dd16c0affb2afae01cde6c94abf23ac1ba8.
diff --git a/lib/ExecutionEngine/RSScript.cpp b/lib/ExecutionEngine/RSScript.cpp
new file mode 100644
index 0000000..7ec84d9
--- /dev/null
+++ b/lib/ExecutionEngine/RSScript.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2012, 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.
+ */
+
+#include "RSScript.h"
+
+#include <cstring>
+
+#include <llvm/ADT/STLExtras.h>
+
+#include "DebugHelper.h"
+
+using namespace bcc;
+
+RSScript::SourceDependency::SourceDependency(const std::string &pSourceName,
+                                             const uint8_t *pSHA1)
+  : mSourceName(pSourceName) {
+  ::memcpy(mSHA1, pSHA1, sizeof(mSHA1));
+  return;
+}
+
+RSScript::RSScript(Source &pSource)
+  : Script(pSource), mInfo(NULL), mCompilerVersion(0),
+    mOptimizationLevel(kOptLvl3) { }
+
+RSScript::~RSScript() {
+  llvm::DeleteContainerPointers(mSourceDependencies);
+}
+
+bool RSScript::doReset() {
+  mInfo = NULL;
+  mCompilerVersion = 0;
+  mOptimizationLevel = kOptLvl3;
+  llvm::DeleteContainerPointers(mSourceDependencies);
+  return true;
+}
+
+bool RSScript::addSourceDependency(const std::string &pSourceName,
+                                   const uint8_t *pSHA1) {
+  SourceDependency *source_dep =
+      new (std::nothrow) SourceDependency(pSourceName, pSHA1);
+  if (source_dep == NULL) {
+    ALOGE("Out of memory when record dependency information of `%s'!",
+          pSourceName.c_str());
+    return false;
+  }
+
+  mSourceDependencies.push_back(source_dep);
+  return true;
+}